From 0db4ba39200363605dcfb9efaef99b2806354445 Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Mon, 6 Jan 2025 09:36:02 +0100 Subject: [PATCH 01/15] [BREAKING] Drop support for Node.js 10 and 12, ensure in the CI tests are run under multiple Node.js versions --- .github/workflows/test.yaml | 19 ++++++++++++++++--- package.json | 5 ++++- 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml index 9509e33..3fb2d84 100644 --- a/.github/workflows/test.yaml +++ b/.github/workflows/test.yaml @@ -17,10 +17,23 @@ jobs: yarn run check-format tests: + name: Tests (Node.js ${{ matrix.node-versions }}) runs-on: ubuntu-latest + strategy: + fail-fast: false + matrix: + node-versions: [ '14', '16', '18', '20', '22', '23' ] steps: - - uses: actions/checkout@master - - name: Install dependencies - run: yarn + - name: Checkout + uses: actions/checkout@v4 + + - name: Node ${{matrix.node-versions}} + uses: actions/setup-node@v4 + with: + node-version: ${{matrix.node-versions}} + + - name: Install Yarn Dependencies + run: yarn install + - name: Tests run: yarn test diff --git a/package.json b/package.json index e9c64ff..35e7b77 100644 --- a/package.json +++ b/package.json @@ -7,7 +7,7 @@ "license": "MIT", "author": "Titouan Galopin ", "engines": { - "node": "^10.13.0 || >=12.0.0" + "node": "^14.15.0 || ^16.10.0 || ^18.12.0 || ^20.0.0 || >=22.0" }, "scripts": { "build": "yarn rollup -c", @@ -53,6 +53,9 @@ "webpack": "^5.11.1", "webpack-cli": "^4.3.0" }, + "resolutions": { + "@types/jest": "^27.0" + }, "eslintConfig": { "root": true, "parser": "@typescript-eslint/parser", From deeb168227ec0f312d1b2041208ffee57b3ad78b Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Sat, 11 Jan 2025 08:49:12 +0100 Subject: [PATCH 02/15] Replace ESLint and Prettier by Biome.js --- .prettierrc.json | 6 --- babel.config.js | 5 +- biome.json | 31 ++++++++++++ jest.config.js | 12 ++--- package.json | 48 ++----------------- rollup.config.js | 25 +++------- src/index.ts | 5 +- src/util/get-stimulus-comment-options.ts | 10 ++-- src/webpack/create-controllers-module.ts | 22 ++++----- src/webpack/generate-lazy-controller.ts | 4 +- src/webpack/lazy-controller-loader.ts | 6 +-- src/webpack/loader.ts | 2 - test/index.test.ts | 2 - test/setup.js | 2 - .../util/get-stimulus-comment-options.test.ts | 2 - test/webpack.config.js | 2 +- .../webpack/create-controllers-module.test.ts | 12 +---- test/webpack/generate-lazy-controller.test.ts | 17 +++---- test/webpack/lazy-controller-loader.test.ts | 2 - 19 files changed, 76 insertions(+), 139 deletions(-) delete mode 100644 .prettierrc.json create mode 100644 biome.json diff --git a/.prettierrc.json b/.prettierrc.json deleted file mode 100644 index 8cbaa40..0000000 --- a/.prettierrc.json +++ /dev/null @@ -1,6 +0,0 @@ -{ - "printWidth": 120, - "trailingComma": "es5", - "tabWidth": 4, - "singleQuote": true -} diff --git a/babel.config.js b/babel.config.js index e7118c3..a3092ab 100644 --- a/babel.config.js +++ b/babel.config.js @@ -1,6 +1,3 @@ module.exports = { - presets: [ - ['@babel/preset-env', {targets: {node: 'current'}}], - '@babel/preset-typescript', - ], + presets: [['@babel/preset-env', { targets: { node: 'current' } }], '@babel/preset-typescript'], }; diff --git a/biome.json b/biome.json new file mode 100644 index 0000000..a883d64 --- /dev/null +++ b/biome.json @@ -0,0 +1,31 @@ +{ + "$schema": "./node_modules/@biomejs/biome/configuration_schema.json", + "files": { + "include": ["*.js", "src/**/*.[jt]s", "test/**/*.[jt]s"], + "ignore": ["**/package.json", "**/node_modules", "dist/**", "test/dist/**", "test/fixtures/**/dist/**"] + }, + "formatter": { + "lineWidth": 120, + "indentStyle": "space", + "indentWidth": 4 + }, + "linter": { + "rules": { + "complexity": { + "noForEach": "off" + }, + "suspicious": { + "noExplicitAny": "off", + "noEmptyBlockStatements": "off", + "noRedundantUseStrict": "off" + } + } + }, + "javascript": { + "formatter": { + "trailingCommas": "es5", + "bracketSameLine": true, + "quoteStyle": "single" + } + } +} diff --git a/jest.config.js b/jest.config.js index 9bc582d..ac42883 100644 --- a/jest.config.js +++ b/jest.config.js @@ -1,12 +1,10 @@ -const path = require('path'); +const path = require('node:path'); module.exports = { - testRegex: "test/.*\\.test.ts", + testRegex: 'test/.*\\.test.ts', testEnvironment: 'jsdom', - setupFilesAfterEnv: [ - path.join(__dirname, 'test/setup.js'), - ], + setupFilesAfterEnv: [path.join(__dirname, 'test/setup.js')], transform: { - '\\.(j|t)s$': ['babel-jest', { configFile: path.join(__dirname, './babel.config.js') }] + '\\.(j|t)s$': ['babel-jest', { configFile: path.join(__dirname, './babel.config.js') }], }, -} +}; diff --git a/package.json b/package.json index 6043894..1fa1c1c 100644 --- a/package.json +++ b/package.json @@ -13,10 +13,8 @@ "build": "yarn rollup -c", "build-types": "yarn tsc", "test": "yarn run webpack --config test/webpack.config.js && yarn run jest", - "lint": "yarn run eslint src test", - "format": "prettier src/*.ts test/*.js --write", - "check-lint": "yarn lint --no-fix", - "check-format": "yarn format --no-write --check" + "check": "biome check", + "ci": "biome ci" }, "peerDependencies": { "@hotwired/stimulus": "^3.0" @@ -33,20 +31,15 @@ "@babel/plugin-proposal-class-properties": "^7.15.8", "@babel/preset-env": "^7.15.8", "@babel/preset-typescript": "^7.15.0", + "@biomejs/biome": "^1.9.4", "@hotwired/stimulus": "^3.0", "@rollup/plugin-commonjs": "^21.0.1", "@rollup/plugin-node-resolve": "^13.0.0", "@rollup/plugin-typescript": "^8.3.0", "@symfony/mock-module": "file:test/fixtures/module", "@symfony/stimulus-testing": "^2.0.0", - "@typescript-eslint/eslint-plugin": "^5.2.0", - "@typescript-eslint/parser": "^5.2.0", "babel-jest": "^27.3.1", - "eslint": "^8.1.0", - "eslint-config-prettier": "^8.0.0", - "eslint-plugin-jest": "^25.2.2", "jest": "^27.3.1", - "prettier": "^2.2.1", "rollup": "^2.52.2", "tslib": "^2.3.1", "typescript": "^4.4.4", @@ -56,41 +49,6 @@ "resolutions": { "@types/jest": "^27.0" }, - "eslintConfig": { - "root": true, - "parser": "@typescript-eslint/parser", - "plugins": [ - "@typescript-eslint" - ], - "extends": [ - "eslint:recommended", - "prettier", - "plugin:@typescript-eslint/eslint-recommended", - "plugin:@typescript-eslint/recommended" - ], - "ignorePatterns": [ - "test/dist/**", - "test/fixtures/**", - "test/webpack.config.js" - ], - "rules": { - "@typescript-eslint/no-explicit-any": "off", - "@typescript-eslint/ban-ts-comment": "off" - }, - "env": { - "browser": true - }, - "overrides": [ - { - "files": [ - "test/**/*.ts" - ], - "extends": [ - "plugin:jest/recommended" - ] - } - ] - }, "files": [ "src/", "dist/", diff --git a/rollup.config.js b/rollup.config.js index a109c5a..19201b4 100644 --- a/rollup.config.js +++ b/rollup.config.js @@ -1,7 +1,7 @@ +import path from 'node:path'; +import commonjs from '@rollup/plugin-commonjs'; import resolve from '@rollup/plugin-node-resolve'; import typescript from '@rollup/plugin-typescript'; -import path from 'path'; -import commonjs from '@rollup/plugin-commonjs'; export default [ /* @@ -16,12 +16,9 @@ export default [ external: [ // avoids rollup from trying to parse this import './webpack/loader!@symfony/stimulus-bridge/controllers.json', - '@hotwired/stimulus' - ], - plugins: [ - resolve(), - typescript(), + '@hotwired/stimulus', ], + plugins: [resolve(), typescript()], }, /* @@ -36,9 +33,7 @@ export default [ file: path.join('dist', 'webpack', 'loader.js'), format: 'cjs', }, - external: [ - 'webpack/lib/dependencies/LoaderDependency', - ], + external: ['webpack/lib/dependencies/LoaderDependency'], plugins: [ resolve(), typescript(), @@ -58,13 +53,7 @@ export default [ file: path.join('dist', 'webpack', 'lazy-controller-loader.js'), format: 'cjs', }, - external: [ - 'loader-utils', - 'schema-utils', - ], - plugins: [ - resolve(), - typescript(), - ], + external: ['loader-utils', 'schema-utils'], + plugins: [resolve(), typescript()], }, ]; diff --git a/src/index.ts b/src/index.ts index 1c98bc4..15fac0c 100644 --- a/src/index.ts +++ b/src/index.ts @@ -7,8 +7,6 @@ * file that was distributed with this source code. */ -'use strict'; - import { Application } from '@hotwired/stimulus'; import { definitionsFromContext } from '@hotwired/stimulus-webpack-helpers'; @@ -29,8 +27,7 @@ export function startStimulusApp(context: __WebpackModuleApi.RequireContext) { } for (const controllerName in symfonyControllers) { - // eslint-disable-next-line no-prototype-builtins - if (!symfonyControllers.hasOwnProperty(controllerName)) { + if (!Object.prototype.hasOwnProperty.call(symfonyControllers, controllerName)) { continue; } diff --git a/src/util/get-stimulus-comment-options.ts b/src/util/get-stimulus-comment-options.ts index 1d301c0..8ceaec5 100644 --- a/src/util/get-stimulus-comment-options.ts +++ b/src/util/get-stimulus-comment-options.ts @@ -7,10 +7,8 @@ * file that was distributed with this source code. */ -'use strict'; - -import { Comment, parse } from 'acorn'; -import vm from 'vm'; +import vm from 'node:vm'; +import { type Comment, parse } from 'acorn'; const stimulusCommentRegExp = new RegExp(/(^|\W)stimulus[A-Z]{1,}[A-Za-z]{1,}:/); @@ -19,7 +17,7 @@ const EMPTY_COMMENT_OPTIONS = { errors: [], }; -function getCommentsFromSource(source: string) { +function getCommentsFromSource(source: string): Comment[] { const comments: Comment[] = []; parse(source, { onComment: comments, @@ -34,7 +32,7 @@ function getCommentsFromSource(source: string) { * Inspired by Webpack's JavaScriptParser */ export default function (source: string) { - let comments; + let comments: Comment[] = []; try { comments = getCommentsFromSource(source); } catch (e) { diff --git a/src/webpack/create-controllers-module.ts b/src/webpack/create-controllers-module.ts index ae59b60..da3a457 100644 --- a/src/webpack/create-controllers-module.ts +++ b/src/webpack/create-controllers-module.ts @@ -7,8 +7,6 @@ * file that was distributed with this source code. */ -'use strict'; - import generateLazyController from './generate-lazy-controller'; export default function createControllersModule(config: any) { @@ -16,21 +14,21 @@ export default function createControllersModule(config: any) { let importStatementContents = ''; let hasLazyControllers = false; - if ('undefined' !== typeof config['placeholder']) { + if ('undefined' !== typeof config.placeholder) { throw new Error( 'Your controllers.json file was not found. Be sure to add a Webpack alias from "@symfony/stimulus-bridge/controllers.json" to *your* controllers.json file.' ); } - if ('undefined' === typeof config['controllers']) { + if ('undefined' === typeof config.controllers) { throw new Error('Your Stimulus configuration file (assets/controllers.json) lacks a "controllers" key.'); } let controllerIndex = 0; for (const packageName in config.controllers) { - let packageConfig; + let packageConfig: unknown; try { - packageConfig = require(packageName + '/package.json'); + packageConfig = require(`${packageName}/package.json`); } catch (e) { throw new Error( `The file "${packageName}/package.json" could not be found. Try running "yarn install --force".` @@ -38,12 +36,12 @@ export default function createControllersModule(config: any) { } for (const controllerName in config.controllers[packageName]) { - const controllerReference = packageName + '/' + controllerName; + const controllerReference = `${packageName}/${controllerName}`; // Find package config for the controller if ('undefined' === typeof packageConfig.symfony.controllers[controllerName]) { throw new Error( - 'Controller "' + controllerReference + '" does not exist in the package and cannot be compiled.' + `Controller "${controllerReference}" does not exist in the package and cannot be compiled.` ); } @@ -54,10 +52,10 @@ export default function createControllersModule(config: any) { continue; } - const controllerMain = packageName + '/' + controllerPackageConfig.main; - let fetchMode = controllerUserConfig.fetch || 'eager'; + const controllerMain = `${packageName}/${controllerPackageConfig.main}`; + const fetchMode = controllerUserConfig.fetch || 'eager'; - let moduleValueContents = ``; + let moduleValueContents = ''; if (fetchMode === 'eager') { const controllerNameForVariable = `controller_${controllerIndex++}`; importStatementContents += `import ${controllerNameForVariable} from '${controllerMain}';\n`; @@ -85,7 +83,7 @@ export default function createControllersModule(config: any) { for (const autoimport in controllerUserConfig.autoimport || []) { if (controllerUserConfig.autoimport[autoimport]) { - importStatementContents += "import '" + autoimport + "';\n"; + importStatementContents += `import '${autoimport}';\n`; } } } diff --git a/src/webpack/generate-lazy-controller.ts b/src/webpack/generate-lazy-controller.ts index 1021bea..0329515 100644 --- a/src/webpack/generate-lazy-controller.ts +++ b/src/webpack/generate-lazy-controller.ts @@ -7,15 +7,13 @@ * file that was distributed with this source code. */ -'use strict'; - /** * * @param {string} controllerPath The importable path to the controller * @param {Number} indentationSpaces Amount each line should be indented * @param {string} exportName The name of the module that's exported from the controller */ -export default function(controllerPath: string, indentationSpaces: number, exportName = 'default') { +export default function (controllerPath: string, indentationSpaces: number, exportName = 'default') { const spaces = ' '.repeat(indentationSpaces); return `class extends Controller { diff --git a/src/webpack/lazy-controller-loader.ts b/src/webpack/lazy-controller-loader.ts index 22bea54..e4fd0f9 100644 --- a/src/webpack/lazy-controller-loader.ts +++ b/src/webpack/lazy-controller-loader.ts @@ -7,12 +7,10 @@ * file that was distributed with this source code. */ -'use strict'; - -import generateLazyController from './generate-lazy-controller'; -import getStimulusCommentOptions from '../util/get-stimulus-comment-options'; import * as loaderUtils from 'loader-utils'; import * as schemaUtils from 'schema-utils'; +import getStimulusCommentOptions from '../util/get-stimulus-comment-options'; +import generateLazyController from './generate-lazy-controller'; const schema = { type: 'object', diff --git a/src/webpack/loader.ts b/src/webpack/loader.ts index e7af8f3..dae79ad 100644 --- a/src/webpack/loader.ts +++ b/src/webpack/loader.ts @@ -7,8 +7,6 @@ * file that was distributed with this source code. */ -'use strict'; - import LoaderDependency from 'webpack/lib/dependencies/LoaderDependency'; import createControllersModule from './create-controllers-module'; diff --git a/test/index.test.ts b/test/index.test.ts index 6e3395c..3c44cb4 100644 --- a/test/index.test.ts +++ b/test/index.test.ts @@ -7,8 +7,6 @@ * file that was distributed with this source code. */ -'use strict'; - import { startStimulusApp } from './dist/index'; describe('startStimulusApp', () => { diff --git a/test/setup.js b/test/setup.js index ddd4655..f60ad9b 100644 --- a/test/setup.js +++ b/test/setup.js @@ -7,6 +7,4 @@ * file that was distributed with this source code. */ -'use strict'; - import '@symfony/stimulus-testing/setup'; diff --git a/test/util/get-stimulus-comment-options.test.ts b/test/util/get-stimulus-comment-options.test.ts index 19aa565..29dd70a 100644 --- a/test/util/get-stimulus-comment-options.test.ts +++ b/test/util/get-stimulus-comment-options.test.ts @@ -7,8 +7,6 @@ * file that was distributed with this source code. */ -'use strict'; - import getStimulusCommentOptions from '../../src/util/get-stimulus-comment-options'; describe('getStimulusCommentOptions', () => { diff --git a/test/webpack.config.js b/test/webpack.config.js index e2daf7a..553951f 100644 --- a/test/webpack.config.js +++ b/test/webpack.config.js @@ -14,7 +14,7 @@ * to allow testing in node. */ -const path = require('path'); +const path = require('node:path'); module.exports = { target: 'node', diff --git a/test/webpack/create-controllers-module.test.ts b/test/webpack/create-controllers-module.test.ts index 99abc13..e9520b1 100644 --- a/test/webpack/create-controllers-module.test.ts +++ b/test/webpack/create-controllers-module.test.ts @@ -7,14 +7,11 @@ * file that was distributed with this source code. */ -'use strict'; - import createControllersModule from '../../src/webpack/create-controllers-module'; describe('createControllersModule', () => { describe('empty.json', () => { it('must return an empty file', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/empty.json'); expect(createControllersModule(config).finalSource).toEqual('export default {\n};'); }); @@ -22,7 +19,6 @@ describe('createControllersModule', () => { describe('disabled-controller.json', () => { it('must return an empty file', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/disabled-controller.json'); expect(createControllersModule(config).finalSource).toEqual('export default {\n};'); }); @@ -30,7 +26,6 @@ describe('createControllersModule', () => { describe('disabled-autoimport.json', () => { it('must return file with no autoimport', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/disabled-autoimport.json'); expect(createControllersModule(config).finalSource).toEqual( "import controller_0 from '@symfony/mock-module/dist/controller.js';\nexport default {\n 'symfony--mock-module--mock': controller_0,\n};" @@ -40,7 +35,6 @@ describe('createControllersModule', () => { describe('eager-no-autoimport.json', () => { it('must return file with no autoimport', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/eager-no-autoimport.json'); expect(createControllersModule(config).finalSource).toEqual( "import controller_0 from '@symfony/mock-module/dist/controller.js';\nexport default {\n 'symfony--mock-module--mock': controller_0,\n};" @@ -50,7 +44,6 @@ describe('createControllersModule', () => { describe('eager-autoimport.json', () => { it('must return a file with the enabled controller and auto-import', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/eager-autoimport.json'); expect(createControllersModule(config).finalSource).toEqual( "import controller_0 from '@symfony/mock-module/dist/controller.js';\nimport '@symfony/mock-module/dist/style.css';\nexport default {\n 'symfony--mock-module--mock': controller_0,\n};" @@ -60,7 +53,6 @@ describe('createControllersModule', () => { describe('lazy-controller-no-autoimport.json', () => { it('must return a file with a lazy controller', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/lazy-no-autoimport.json'); expect(createControllersModule(config).finalSource).toEqual( ` @@ -89,8 +81,7 @@ export default { }); describe('load-named-controller.json', () => { - it('must register the custom name from package\'s package.json', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires + it("must register the custom name from package's package.json", () => { const config = require('../fixtures/load-named-controller.json'); expect(createControllersModule(config).finalSource).toEqual( "import controller_0 from '@symfony/mock-module/dist/named_controller.js';\nexport default {\n 'foo--custom_name': controller_0,\n};" @@ -100,7 +91,6 @@ export default { describe('override-name.json', () => { it('must use the overridden "name" from user\'s config', () => { - // eslint-disable-next-line @typescript-eslint/no-var-requires const config = require('../fixtures/override-name.json'); expect(createControllersModule(config).finalSource).toEqual( "import controller_0 from '@symfony/mock-module/dist/controller.js';\nexport default {\n 'foo--overridden_name': controller_0,\n};" diff --git a/test/webpack/generate-lazy-controller.test.ts b/test/webpack/generate-lazy-controller.test.ts index 6d0898f..0148fcc 100644 --- a/test/webpack/generate-lazy-controller.test.ts +++ b/test/webpack/generate-lazy-controller.test.ts @@ -7,11 +7,9 @@ * file that was distributed with this source code. */ -'use strict'; - -import generateLazyController from '../../src/webpack/generate-lazy-controller'; import { parse } from '@babel/parser'; import { isNode } from '@babel/types'; +import generateLazyController from '../../src/webpack/generate-lazy-controller'; const wrapLazyController = (controllerString: string): string => { return ` @@ -25,12 +23,15 @@ const wrapLazyController = (controllerString: string): string => { describe('generateLazyControllerModule', () => { describe('generateLazyController()', () => { it('must return a functional ES6 class', () => { - const controllerCode = wrapLazyController(generateLazyController('@symfony/some-module/dist/controller.js', 0)); + const controllerCode = wrapLazyController( + generateLazyController('@symfony/some-module/dist/controller.js', 0) + ); const result = parse(controllerCode, { sourceType: 'module', }); expect(isNode(result)).toBeTruthy(); + // biome-ignore lint/security/noGlobalEval: We need to eval the code to test it const lazyControllerClass = eval(`${controllerCode}`); // if all goes correctly, the prototype should have a Controller key expect(Object.getPrototypeOf(lazyControllerClass)).toHaveProperty('targets'); @@ -54,14 +55,14 @@ describe('generateLazyControllerModule', () => { }); it('must use the correct, named export', () => { - const controllerCode = wrapLazyController(generateLazyController('@symfony/some-module/dist/controller.js', 0, 'CustomController')); + const controllerCode = wrapLazyController( + generateLazyController('@symfony/some-module/dist/controller.js', 0, 'CustomController') + ); const result = parse(controllerCode, { sourceType: 'module', }); expect(isNode(result)).toBeTruthy(); - expect(controllerCode).toContain( - 'this.application.register(this.identifier, controller.CustomController)' - ); + expect(controllerCode).toContain('this.application.register(this.identifier, controller.CustomController)'); }); }); }); diff --git a/test/webpack/lazy-controller-loader.test.ts b/test/webpack/lazy-controller-loader.test.ts index 196e986..b6848c9 100644 --- a/test/webpack/lazy-controller-loader.test.ts +++ b/test/webpack/lazy-controller-loader.test.ts @@ -7,8 +7,6 @@ * file that was distributed with this source code. */ -'use strict'; - import lazyControllerLoader from '../../src/webpack/lazy-controller-loader'; function callLoader(src: string, startingSourceMap = '', query = '') { From e6e7cd84f463a263c08a34b6d8c41a6a40c4bc40 Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Sat, 11 Jan 2025 08:51:35 +0100 Subject: [PATCH 03/15] [CI] Improve "coding-style" job, and run Biome instead --- .github/workflows/test.yaml | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml index 3fb2d84..776bd9f 100644 --- a/.github/workflows/test.yaml +++ b/.github/workflows/test.yaml @@ -1,4 +1,4 @@ -name: Symfony UX +name: Test on: pull_request: @@ -10,11 +10,18 @@ jobs: coding-style: runs-on: ubuntu-latest steps: - - uses: actions/checkout@master - - name: Prettier - run: | - yarn - yarn run check-format + - uses: actions/checkout@v4 + + - name: Install Node + uses: actions/setup-node@v4 + with: + node-version: 14 # lowest supported version + + - name: Install Yarn Dependencies + run: yarn install + + - name: Run Biome + run: yarn run ci tests: name: Tests (Node.js ${{ matrix.node-versions }}) From 5f833be544f4f35a3eeaec67f1918a937a639070 Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Mon, 13 Jan 2025 08:59:25 +0100 Subject: [PATCH 04/15] [CI] Check for un-built JS dist files --- .github/workflows/test.yaml | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml index 776bd9f..6cbaef7 100644 --- a/.github/workflows/test.yaml +++ b/.github/workflows/test.yaml @@ -23,6 +23,29 @@ jobs: - name: Run Biome run: yarn run ci + js-dist-current: + name: Check for un-built JS dist files + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + + - name: Install Node + uses: actions/setup-node@v4 + with: + node-version: 14 # lowest supported version + + - run: yarn install && yarn build + + - name: Check if js dist files are current + run: | + if [[ -n $(git status --porcelain) ]]; then + echo "The Git workspace is unclean! Changes detected:" + git status --porcelain + git diff + exit 1 + else + echo "The Git workspace is clean. No changes detected." + fi tests: name: Tests (Node.js ${{ matrix.node-versions }}) runs-on: ubuntu-latest From b1e650cdb37d6424e2df08eefa2a43fab6981954 Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Mon, 13 Jan 2025 09:59:24 +0100 Subject: [PATCH 05/15] Generate dist files --- dist/index.js | 2 +- dist/webpack/create-controllers-module.d.ts | 2 +- dist/webpack/index.d.ts | 3 + dist/webpack/lazy-controller-loader.js | 2316 +++++++++++------ dist/webpack/loader.js | 18 +- .../util/get-stimulus-comment-options.d.ts | 4 + .../webpack/create-controllers-module.d.ts | 4 + .../webpack/generate-lazy-controller.d.ts | 1 + .../webpack/lazy-controller-loader.d.ts | 1 + dist/webpack/webpack/loader.d.ts | 1 + 10 files changed, 1485 insertions(+), 867 deletions(-) create mode 100644 dist/webpack/index.d.ts create mode 100644 dist/webpack/util/get-stimulus-comment-options.d.ts create mode 100644 dist/webpack/webpack/create-controllers-module.d.ts create mode 100644 dist/webpack/webpack/generate-lazy-controller.d.ts create mode 100644 dist/webpack/webpack/lazy-controller-loader.d.ts create mode 100644 dist/webpack/webpack/loader.d.ts diff --git a/dist/index.js b/dist/index.js index 0ccf82e..3762f3f 100644 --- a/dist/index.js +++ b/dist/index.js @@ -38,7 +38,7 @@ function startStimulusApp(context) { application.load(definitionsFromContext(context)); } for (const controllerName in symfonyControllers) { - if (!symfonyControllers.hasOwnProperty(controllerName)) { + if (!Object.prototype.hasOwnProperty.call(symfonyControllers, controllerName)) { continue; } application.register(controllerName, symfonyControllers[controllerName]); diff --git a/dist/webpack/create-controllers-module.d.ts b/dist/webpack/create-controllers-module.d.ts index d1e0f6b..ce07ed3 100644 --- a/dist/webpack/create-controllers-module.d.ts +++ b/dist/webpack/create-controllers-module.d.ts @@ -1,4 +1,4 @@ export default function createControllersModule(config: any): { finalSource: string; - deprecations: string[]; + deprecations: never[]; }; diff --git a/dist/webpack/index.d.ts b/dist/webpack/index.d.ts new file mode 100644 index 0000000..2f24b00 --- /dev/null +++ b/dist/webpack/index.d.ts @@ -0,0 +1,3 @@ +/// +import { Application } from '@hotwired/stimulus'; +export declare function startStimulusApp(context: __WebpackModuleApi.RequireContext): Application; diff --git a/dist/webpack/lazy-controller-loader.js b/dist/webpack/lazy-controller-loader.js index a93c5eb..8102ce2 100644 --- a/dist/webpack/lazy-controller-loader.js +++ b/dist/webpack/lazy-controller-loader.js @@ -1,52 +1,49 @@ 'use strict'; -var vm = require('vm'); var loaderUtils = require('loader-utils'); var schemaUtils = require('schema-utils'); +var vm = require('node:vm'); function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } function _interopNamespace(e) { - if (e && e.__esModule) return e; - var n = Object.create(null); - if (e) { - Object.keys(e).forEach(function (k) { - if (k !== 'default') { - var d = Object.getOwnPropertyDescriptor(e, k); - Object.defineProperty(n, k, d.get ? d : { - enumerable: true, - get: function () { return e[k]; } - }); - } + if (e && e.__esModule) return e; + var n = Object.create(null); + if (e) { + Object.keys(e).forEach(function (k) { + if (k !== 'default') { + var d = Object.getOwnPropertyDescriptor(e, k); + Object.defineProperty(n, k, d.get ? d : { + enumerable: true, + get: function () { return e[k]; } }); - } - n["default"] = e; - return Object.freeze(n); + } + }); + } + n["default"] = e; + return Object.freeze(n); } -var vm__default = /*#__PURE__*/_interopDefaultLegacy(vm); var loaderUtils__namespace = /*#__PURE__*/_interopNamespace(loaderUtils); var schemaUtils__namespace = /*#__PURE__*/_interopNamespace(schemaUtils); +var vm__default = /*#__PURE__*/_interopDefaultLegacy(vm); -function generateLazyController (controllerPath, indentationSpaces, exportName = 'default') { - const spaces = ' '.repeat(indentationSpaces); - return `class extends Controller { -${spaces} constructor(context) { -${spaces} super(context); -${spaces} this.__stimulusLazyController = true; -${spaces} } -${spaces} initialize() { -${spaces} if (this.application.controllers.find((controller) => { -${spaces} return controller.identifier === this.identifier && controller.__stimulusLazyController; -${spaces} })) { -${spaces} return; -${spaces} } -${spaces} import('${controllerPath.replace(/\\/g, '\\\\')}').then((controller) => { -${spaces} this.application.register(this.identifier, controller.${exportName}); -${spaces} }); -${spaces} } -${spaces}}`; -} +// This file was generated. Do not modify manually! +var astralIdentifierCodes = [509, 0, 227, 0, 150, 4, 294, 9, 1368, 2, 2, 1, 6, 3, 41, 2, 5, 0, 166, 1, 574, 3, 9, 9, 7, 9, 32, 4, 318, 1, 80, 3, 71, 10, 50, 3, 123, 2, 54, 14, 32, 10, 3, 1, 11, 3, 46, 10, 8, 0, 46, 9, 7, 2, 37, 13, 2, 9, 6, 1, 45, 0, 13, 2, 49, 13, 9, 3, 2, 11, 83, 11, 7, 0, 3, 0, 158, 11, 6, 9, 7, 3, 56, 1, 2, 6, 3, 1, 3, 2, 10, 0, 11, 1, 3, 6, 4, 4, 68, 8, 2, 0, 3, 0, 2, 3, 2, 4, 2, 0, 15, 1, 83, 17, 10, 9, 5, 0, 82, 19, 13, 9, 214, 6, 3, 8, 28, 1, 83, 16, 16, 9, 82, 12, 9, 9, 7, 19, 58, 14, 5, 9, 243, 14, 166, 9, 71, 5, 2, 1, 3, 3, 2, 0, 2, 1, 13, 9, 120, 6, 3, 6, 4, 0, 29, 9, 41, 6, 2, 3, 9, 0, 10, 10, 47, 15, 343, 9, 54, 7, 2, 7, 17, 9, 57, 21, 2, 13, 123, 5, 4, 0, 2, 1, 2, 6, 2, 0, 9, 9, 49, 4, 2, 1, 2, 4, 9, 9, 330, 3, 10, 1, 2, 0, 49, 6, 4, 4, 14, 10, 5350, 0, 7, 14, 11465, 27, 2343, 9, 87, 9, 39, 4, 60, 6, 26, 9, 535, 9, 470, 0, 2, 54, 8, 3, 82, 0, 12, 1, 19628, 1, 4178, 9, 519, 45, 3, 22, 543, 4, 4, 5, 9, 7, 3, 6, 31, 3, 149, 2, 1418, 49, 513, 54, 5, 49, 9, 0, 15, 0, 23, 4, 2, 14, 1361, 6, 2, 16, 3, 6, 2, 1, 2, 4, 101, 0, 161, 6, 10, 9, 357, 0, 62, 13, 499, 13, 245, 1, 2, 9, 726, 6, 110, 6, 6, 9, 4759, 9, 787719, 239]; + +// This file was generated. Do not modify manually! +var astralIdentifierStartCodes = [0, 11, 2, 25, 2, 18, 2, 1, 2, 14, 3, 13, 35, 122, 70, 52, 268, 28, 4, 48, 48, 31, 14, 29, 6, 37, 11, 29, 3, 35, 5, 7, 2, 4, 43, 157, 19, 35, 5, 35, 5, 39, 9, 51, 13, 10, 2, 14, 2, 6, 2, 1, 2, 10, 2, 14, 2, 6, 2, 1, 4, 51, 13, 310, 10, 21, 11, 7, 25, 5, 2, 41, 2, 8, 70, 5, 3, 0, 2, 43, 2, 1, 4, 0, 3, 22, 11, 22, 10, 30, 66, 18, 2, 1, 11, 21, 11, 25, 71, 55, 7, 1, 65, 0, 16, 3, 2, 2, 2, 28, 43, 28, 4, 28, 36, 7, 2, 27, 28, 53, 11, 21, 11, 18, 14, 17, 111, 72, 56, 50, 14, 50, 14, 35, 39, 27, 10, 22, 251, 41, 7, 1, 17, 2, 60, 28, 11, 0, 9, 21, 43, 17, 47, 20, 28, 22, 13, 52, 58, 1, 3, 0, 14, 44, 33, 24, 27, 35, 30, 0, 3, 0, 9, 34, 4, 0, 13, 47, 15, 3, 22, 0, 2, 0, 36, 17, 2, 24, 20, 1, 64, 6, 2, 0, 2, 3, 2, 14, 2, 9, 8, 46, 39, 7, 3, 1, 3, 21, 2, 6, 2, 1, 2, 4, 4, 0, 19, 0, 13, 4, 31, 9, 2, 0, 3, 0, 2, 37, 2, 0, 26, 0, 2, 0, 45, 52, 19, 3, 21, 2, 31, 47, 21, 1, 2, 0, 185, 46, 42, 3, 37, 47, 21, 0, 60, 42, 14, 0, 72, 26, 38, 6, 186, 43, 117, 63, 32, 7, 3, 0, 3, 7, 2, 1, 2, 23, 16, 0, 2, 0, 95, 7, 3, 38, 17, 0, 2, 0, 29, 0, 11, 39, 8, 0, 22, 0, 12, 45, 20, 0, 19, 72, 200, 32, 32, 8, 2, 36, 18, 0, 50, 29, 113, 6, 2, 1, 2, 37, 22, 0, 26, 5, 2, 1, 2, 31, 15, 0, 328, 18, 16, 0, 2, 12, 2, 33, 125, 0, 80, 921, 103, 110, 18, 195, 2637, 96, 16, 1071, 18, 5, 26, 3994, 6, 582, 6842, 29, 1763, 568, 8, 30, 18, 78, 18, 29, 19, 47, 17, 3, 32, 20, 6, 18, 433, 44, 212, 63, 129, 74, 6, 0, 67, 12, 65, 1, 2, 0, 29, 6135, 9, 1237, 42, 9, 8936, 3, 2, 6, 2, 1, 2, 290, 16, 0, 30, 2, 3, 0, 15, 3, 9, 395, 2309, 106, 6, 12, 4, 8, 8, 9, 5991, 84, 2, 70, 2, 1, 3, 0, 3, 1, 3, 3, 2, 11, 2, 0, 2, 6, 2, 64, 2, 3, 3, 7, 2, 6, 2, 27, 2, 3, 2, 4, 2, 0, 4, 6, 2, 339, 3, 24, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 30, 2, 24, 2, 7, 1845, 30, 7, 5, 262, 61, 147, 44, 11, 6, 17, 0, 322, 29, 19, 43, 485, 27, 229, 29, 3, 0, 496, 6, 2, 3, 2, 1, 2, 14, 2, 196, 60, 67, 8, 0, 1205, 3, 2, 26, 2, 1, 2, 0, 3, 0, 2, 9, 2, 3, 2, 0, 2, 0, 7, 0, 5, 0, 2, 0, 2, 0, 2, 2, 2, 1, 2, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 1, 2, 0, 3, 3, 2, 6, 2, 3, 2, 3, 2, 0, 2, 9, 2, 16, 6, 2, 2, 4, 2, 16, 4421, 42719, 33, 4153, 7, 221, 3, 5761, 15, 7472, 16, 621, 2467, 541, 1507, 4938, 6, 4191]; + +// This file was generated. Do not modify manually! +var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u0897-\u089f\u08ca-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3c\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0cf3\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ece\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1715\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u180f-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf-\u1ace\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1dff\u200c\u200d\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\u30fb\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f\uff65"; + +// This file was generated. Do not modify manually! +var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c8a\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7cd\ua7d0\ua7d1\ua7d3\ua7d5-\ua7dc\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; + +// These are a run-length and offset encoded representation of the +// >0xffff code points that are a valid part of identifiers. The +// offset starts at 0x10000, and each pair of numbers represents an +// offset to the next range, and then a size of the range. // Reserved word lists for various dialects of the language @@ -62,7 +59,7 @@ var reservedWords = { var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this"; -var keywords = { +var keywords$1 = { 5: ecma5AndLessKeywords, "5module": ecma5AndLessKeywords + " export import", 6: ecma5AndLessKeywords + " const class extends export import super" @@ -72,31 +69,9 @@ var keywordRelationalOperator = /^in(stanceof)?$/; // ## Character categories -// Big ugly regular expressions that match characters in the -// whitespace, identifier, and identifier-start categories. These -// are only applied when a character is found to actually have a -// code point above 128. -// Generated by `bin/generate-identifier-regex.js`. -var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u08a0-\u08b4\u08b6-\u08c7\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c88\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\u9ffc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7bf\ua7c2-\ua7ca\ua7f5-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; -var nonASCIIidentifierChars = "\u200c\u200d\xb7\u0300-\u036f\u0387\u0483-\u0487\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u0669\u0670\u06d6-\u06dc\u06df-\u06e4\u06e7\u06e8\u06ea-\u06ed\u06f0-\u06f9\u0711\u0730-\u074a\u07a6-\u07b0\u07c0-\u07c9\u07eb-\u07f3\u07fd\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0859-\u085b\u08d3-\u08e1\u08e3-\u0903\u093a-\u093c\u093e-\u094f\u0951-\u0957\u0962\u0963\u0966-\u096f\u0981-\u0983\u09bc\u09be-\u09c4\u09c7\u09c8\u09cb-\u09cd\u09d7\u09e2\u09e3\u09e6-\u09ef\u09fe\u0a01-\u0a03\u0a3c\u0a3e-\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a66-\u0a71\u0a75\u0a81-\u0a83\u0abc\u0abe-\u0ac5\u0ac7-\u0ac9\u0acb-\u0acd\u0ae2\u0ae3\u0ae6-\u0aef\u0afa-\u0aff\u0b01-\u0b03\u0b3c\u0b3e-\u0b44\u0b47\u0b48\u0b4b-\u0b4d\u0b55-\u0b57\u0b62\u0b63\u0b66-\u0b6f\u0b82\u0bbe-\u0bc2\u0bc6-\u0bc8\u0bca-\u0bcd\u0bd7\u0be6-\u0bef\u0c00-\u0c04\u0c3e-\u0c44\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0c66-\u0c6f\u0c81-\u0c83\u0cbc\u0cbe-\u0cc4\u0cc6-\u0cc8\u0cca-\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0ce6-\u0cef\u0d00-\u0d03\u0d3b\u0d3c\u0d3e-\u0d44\u0d46-\u0d48\u0d4a-\u0d4d\u0d57\u0d62\u0d63\u0d66-\u0d6f\u0d81-\u0d83\u0dca\u0dcf-\u0dd4\u0dd6\u0dd8-\u0ddf\u0de6-\u0def\u0df2\u0df3\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0e50-\u0e59\u0eb1\u0eb4-\u0ebc\u0ec8-\u0ecd\u0ed0-\u0ed9\u0f18\u0f19\u0f20-\u0f29\u0f35\u0f37\u0f39\u0f3e\u0f3f\u0f71-\u0f84\u0f86\u0f87\u0f8d-\u0f97\u0f99-\u0fbc\u0fc6\u102b-\u103e\u1040-\u1049\u1056-\u1059\u105e-\u1060\u1062-\u1064\u1067-\u106d\u1071-\u1074\u1082-\u108d\u108f-\u109d\u135d-\u135f\u1369-\u1371\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b4-\u17d3\u17dd\u17e0-\u17e9\u180b-\u180d\u1810-\u1819\u18a9\u1920-\u192b\u1930-\u193b\u1946-\u194f\u19d0-\u19da\u1a17-\u1a1b\u1a55-\u1a5e\u1a60-\u1a7c\u1a7f-\u1a89\u1a90-\u1a99\u1ab0-\u1abd\u1abf\u1ac0\u1b00-\u1b04\u1b34-\u1b44\u1b50-\u1b59\u1b6b-\u1b73\u1b80-\u1b82\u1ba1-\u1bad\u1bb0-\u1bb9\u1be6-\u1bf3\u1c24-\u1c37\u1c40-\u1c49\u1c50-\u1c59\u1cd0-\u1cd2\u1cd4-\u1ce8\u1ced\u1cf4\u1cf7-\u1cf9\u1dc0-\u1df9\u1dfb-\u1dff\u203f\u2040\u2054\u20d0-\u20dc\u20e1\u20e5-\u20f0\u2cef-\u2cf1\u2d7f\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua620-\ua629\ua66f\ua674-\ua67d\ua69e\ua69f\ua6f0\ua6f1\ua802\ua806\ua80b\ua823-\ua827\ua82c\ua880\ua881\ua8b4-\ua8c5\ua8d0-\ua8d9\ua8e0-\ua8f1\ua8ff-\ua909\ua926-\ua92d\ua947-\ua953\ua980-\ua983\ua9b3-\ua9c0\ua9d0-\ua9d9\ua9e5\ua9f0-\ua9f9\uaa29-\uaa36\uaa43\uaa4c\uaa4d\uaa50-\uaa59\uaa7b-\uaa7d\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uaaeb-\uaaef\uaaf5\uaaf6\uabe3-\uabea\uabec\uabed\uabf0-\uabf9\ufb1e\ufe00-\ufe0f\ufe20-\ufe2f\ufe33\ufe34\ufe4d-\ufe4f\uff10-\uff19\uff3f"; - var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"); var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]"); -nonASCIIidentifierStartChars = nonASCIIidentifierChars = null; - -// These are a run-length and offset encoded representation of the -// >0xffff code points that are a valid part of identifiers. The -// offset starts at 0x10000, and each pair of numbers represents an -// offset to the next range, and then a size of the range. They were -// generated by bin/generate-identifier-regex.js - -// eslint-disable-next-line comma-spacing -var astralIdentifierStartCodes = [0,11,2,25,2,18,2,1,2,14,3,13,35,122,70,52,268,28,4,48,48,31,14,29,6,37,11,29,3,35,5,7,2,4,43,157,19,35,5,35,5,39,9,51,157,310,10,21,11,7,153,5,3,0,2,43,2,1,4,0,3,22,11,22,10,30,66,18,2,1,11,21,11,25,71,55,7,1,65,0,16,3,2,2,2,28,43,28,4,28,36,7,2,27,28,53,11,21,11,18,14,17,111,72,56,50,14,50,14,35,349,41,7,1,79,28,11,0,9,21,107,20,28,22,13,52,76,44,33,24,27,35,30,0,3,0,9,34,4,0,13,47,15,3,22,0,2,0,36,17,2,24,85,6,2,0,2,3,2,14,2,9,8,46,39,7,3,1,3,21,2,6,2,1,2,4,4,0,19,0,13,4,159,52,19,3,21,2,31,47,21,1,2,0,185,46,42,3,37,47,21,0,60,42,14,0,72,26,230,43,117,63,32,7,3,0,3,7,2,1,2,23,16,0,2,0,95,7,3,38,17,0,2,0,29,0,11,39,8,0,22,0,12,45,20,0,35,56,264,8,2,36,18,0,50,29,113,6,2,1,2,37,22,0,26,5,2,1,2,31,15,0,328,18,190,0,80,921,103,110,18,195,2749,1070,4050,582,8634,568,8,30,114,29,19,47,17,3,32,20,6,18,689,63,129,74,6,0,67,12,65,1,2,0,29,6135,9,1237,43,8,8952,286,50,2,18,3,9,395,2309,106,6,12,4,8,8,9,5991,84,2,70,2,1,3,0,3,1,3,3,2,11,2,0,2,6,2,64,2,3,3,7,2,6,2,27,2,3,2,4,2,0,4,6,2,339,3,24,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,30,2,24,2,7,2357,44,11,6,17,0,370,43,1301,196,60,67,8,0,1205,3,2,26,2,1,2,0,3,0,2,9,2,3,2,0,2,0,7,0,5,0,2,0,2,0,2,2,2,1,2,0,3,0,2,0,2,0,2,0,2,0,2,1,2,0,3,3,2,6,2,3,2,3,2,0,2,9,2,16,6,2,2,4,2,16,4421,42717,35,4148,12,221,3,5761,15,7472,3104,541,1507,4938]; - -// eslint-disable-next-line comma-spacing -var astralIdentifierCodes = [509,0,227,0,150,4,294,9,1368,2,2,1,6,3,41,2,5,0,166,1,574,3,9,9,370,1,154,10,176,2,54,14,32,9,16,3,46,10,54,9,7,2,37,13,2,9,6,1,45,0,13,2,49,13,9,3,2,11,83,11,7,0,161,11,6,9,7,3,56,1,2,6,3,1,3,2,10,0,11,1,3,6,4,4,193,17,10,9,5,0,82,19,13,9,214,6,3,8,28,1,83,16,16,9,82,12,9,9,84,14,5,9,243,14,166,9,71,5,2,1,3,3,2,0,2,1,13,9,120,6,3,6,4,0,29,9,41,6,2,3,9,0,10,10,47,15,406,7,2,7,17,9,57,21,2,13,123,5,4,0,2,1,2,6,2,0,9,9,49,4,2,1,2,4,9,9,330,3,19306,9,135,4,60,6,26,9,1014,0,2,54,8,3,82,0,12,1,19628,1,5319,4,4,5,9,7,3,6,31,3,149,2,1418,49,513,54,5,49,9,0,15,0,23,4,2,14,1361,6,2,16,3,6,2,1,2,4,262,6,10,9,419,13,1495,6,110,6,6,9,4759,9,787719,239]; - // This has a complexity linear to the value of the code. The // assumption is that looking up astral identifier characters is // rare. @@ -108,6 +83,7 @@ function isInAstralSet(code, set) { pos += set[i + 1]; if (pos >= code) { return true } } + return false } // Test whether a given character code starts an identifier. @@ -181,17 +157,17 @@ var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}; // Map keyword names to token types. -var keywords$1 = {}; +var keywords = {}; // Succinct definitions of keyword token types function kw(name, options) { if ( options === void 0 ) options = {}; options.keyword = name; - return keywords$1[name] = new TokenType(name, options) + return keywords[name] = new TokenType(name, options) } -var types = { +var types$1 = { num: new TokenType("num", startsExpr), regexp: new TokenType("regexp", startsExpr), string: new TokenType("string", startsExpr), @@ -300,6 +276,17 @@ function isNewLine(code) { return code === 10 || code === 13 || code === 0x2028 || code === 0x2029 } +function nextLineBreak(code, from, end) { + if ( end === void 0 ) end = code.length; + + for (var i = from; i < end; i++) { + var next = code.charCodeAt(i); + if (isNewLine(next)) + { return i < end - 1 && next === 13 && code.charCodeAt(i + 1) === 10 ? i + 2 : i + 1 } + } + return -1 +} + var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/; var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; @@ -308,20 +295,29 @@ var ref = Object.prototype; var hasOwnProperty = ref.hasOwnProperty; var toString = ref.toString; -// Checks if an object has a property. - -function has(obj, propName) { - return hasOwnProperty.call(obj, propName) -} +var hasOwn = Object.hasOwn || (function (obj, propName) { return ( + hasOwnProperty.call(obj, propName) +); }); var isArray = Array.isArray || (function (obj) { return ( toString.call(obj) === "[object Array]" ); }); +var regexpCache = Object.create(null); + function wordsRegexp(words) { - return new RegExp("^(?:" + words.replace(/ /g, "|") + ")$") + return regexpCache[words] || (regexpCache[words] = new RegExp("^(?:" + words.replace(/ /g, "|") + ")$")) +} + +function codePointToString(code) { + // UTF-16 Decoding + if (code <= 0xFFFF) { return String.fromCharCode(code) } + code -= 0x10000; + return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00) } +var loneSurrogate = /(?:[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/; + // These are used when `options.locations` is on, for the // `startLoc` and `endLoc` properties. @@ -348,14 +344,10 @@ var SourceLocation = function SourceLocation(p, start, end) { function getLineInfo(input, offset) { for (var line = 1, cur = 0;;) { - lineBreakG.lastIndex = cur; - var match = lineBreakG.exec(input); - if (match && match.index < offset) { - ++line; - cur = match.index + match[0].length; - } else { - return new Position(line, offset - cur) - } + var nextBreak = nextLineBreak(input, cur, offset); + if (nextBreak < 0) { return new Position(line, offset - cur) } + ++line; + cur = nextBreak; } } @@ -365,20 +357,20 @@ function getLineInfo(input, offset) { var defaultOptions = { // `ecmaVersion` indicates the ECMAScript version to parse. Must be // either 3, 5, 6 (or 2015), 7 (2016), 8 (2017), 9 (2018), 10 - // (2019), 11 (2020), 12 (2021), 13 (2022), or `"latest"` (the - // latest version the library supports). This influences support - // for strict mode, the set of reserved words, and support for - // new syntax features. + // (2019), 11 (2020), 12 (2021), 13 (2022), 14 (2023), or `"latest"` + // (the latest version the library supports). This influences + // support for strict mode, the set of reserved words, and support + // for new syntax features. ecmaVersion: null, // `sourceType` indicates the mode the code should be parsed in. // Can be either `"script"` or `"module"`. This influences global // strict mode and parsing of `import` and `export` declarations. sourceType: "script", - // `onInsertedSemicolon` can be a callback that will be called - // when a semicolon is automatically inserted. It will be passed - // the position of the comma as an offset, and if `locations` is - // enabled, it is given the location as a `{line, column}` object - // as second argument. + // `onInsertedSemicolon` can be a callback that will be called when + // a semicolon is automatically inserted. It will be passed the + // position of the inserted semicolon as an offset, and if + // `locations` is enabled, it is given the location as a `{line, + // column}` object as second argument. onInsertedSemicolon: null, // `onTrailingComma` is similar to `onInsertedSemicolon`, but for // trailing commas. @@ -402,9 +394,14 @@ var defaultOptions = { // When enabled, super identifiers are not constrained to // appearing in methods and do not raise an error when they appear elsewhere. allowSuperOutsideMethod: null, - // When enabled, hashbang directive in the beginning of file - // is allowed and treated as a line comment. + // When enabled, hashbang directive in the beginning of file is + // allowed and treated as a line comment. Enabled by default when + // `ecmaVersion` >= 2023. allowHashBang: false, + // By default, the parser will verify that private properties are + // only used in places where they are valid and have been declared. + // Set this to false to turn such checks off. + checkPrivateFields: true, // When `locations` is on, `loc` properties holding objects with // `start` and `end` properties in `{line, column}` form (with // line being 1-based and column 0-based) will be attached to the @@ -426,6 +423,8 @@ var defaultOptions = { // passed, the full `{line, column}` locations of the start and // end of the comments. Note that you are not allowed to call the // parser from the callback—that will corrupt its internal state. + // When this option has an array as value, objects representing the + // comments are pushed to it. onComment: null, // Nodes have their start and end characters offsets recorded in // `start` and `end` properties (directly on the node, rather than @@ -461,7 +460,7 @@ function getOptions(opts) { var options = {}; for (var opt in defaultOptions) - { options[opt] = opts && has(opts, opt) ? opts[opt] : defaultOptions[opt]; } + { options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt]; } if (options.ecmaVersion === "latest") { options.ecmaVersion = 1e8; @@ -478,6 +477,9 @@ function getOptions(opts) { if (options.allowReserved == null) { options.allowReserved = options.ecmaVersion < 5; } + if (!opts || opts.allowHashBang == null) + { options.allowHashBang = options.ecmaVersion >= 14; } + if (isArray(options.onToken)) { var tokens = options.onToken; options.onToken = function (token) { return tokens.push(token); }; @@ -533,7 +535,7 @@ var var Parser = function Parser(options, input, startPos) { this.options = options = getOptions(options); this.sourceFile = options.sourceFile; - this.keywords = wordsRegexp(keywords[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); + this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); var reserved = ""; if (options.allowReserved !== true) { reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3]; @@ -564,7 +566,7 @@ var Parser = function Parser(options, input, startPos) { // Properties of the current token: // Its type - this.type = types.eof; + this.type = types$1.eof; // For tokens that include more information than their type, the value this.value = null; // Its start and end offset @@ -624,8 +626,11 @@ Parser.prototype.parse = function parse () { }; prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 }; + prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 && !this.currentVarScope().inClassFieldInit }; + prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 && !this.currentVarScope().inClassFieldInit }; + prototypeAccessors.canAwait.get = function () { for (var i = this.scopeStack.length - 1; i >= 0; i--) { var scope = this.scopeStack[i]; @@ -634,20 +639,25 @@ prototypeAccessors.canAwait.get = function () { } return (this.inModule && this.options.ecmaVersion >= 13) || this.options.allowAwaitOutsideFunction }; + prototypeAccessors.allowSuper.get = function () { var ref = this.currentThisScope(); var flags = ref.flags; var inClassFieldInit = ref.inClassFieldInit; return (flags & SCOPE_SUPER) > 0 || inClassFieldInit || this.options.allowSuperOutsideMethod }; + prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 }; + prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) }; + prototypeAccessors.allowNewDotTarget.get = function () { var ref = this.currentThisScope(); var flags = ref.flags; var inClassFieldInit = ref.inClassFieldInit; return (flags & (SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK)) > 0 || inClassFieldInit }; + prototypeAccessors.inClassStaticBlock.get = function () { return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0 }; @@ -677,12 +687,13 @@ Parser.tokenizer = function tokenizer (input, options) { Object.defineProperties( Parser.prototype, prototypeAccessors ); -var pp = Parser.prototype; +var pp$9 = Parser.prototype; // ## Parser utilities -var literal = /^(?:'((?:\\.|[^'\\])*?)'|"((?:\\.|[^"\\])*?)")/; -pp.strictDirective = function(start) { +var literal = /^(?:'((?:\\[^]|[^'\\])*?)'|"((?:\\[^]|[^"\\])*?)")/; +pp$9.strictDirective = function(start) { + if (this.options.ecmaVersion < 5) { return false } for (;;) { // Try to find string literal. skipWhiteSpace.lastIndex = start; @@ -710,7 +721,7 @@ pp.strictDirective = function(start) { // Predicate that tests whether the next token is of the given // type, and if yes, consumes it as a side effect. -pp.eat = function(type) { +pp$9.eat = function(type) { if (this.type === type) { this.next(); return true @@ -721,13 +732,13 @@ pp.eat = function(type) { // Tests whether parsed token is a contextual keyword. -pp.isContextual = function(name) { - return this.type === types.name && this.value === name && !this.containsEsc +pp$9.isContextual = function(name) { + return this.type === types$1.name && this.value === name && !this.containsEsc }; // Consumes contextual keyword if possible. -pp.eatContextual = function(name) { +pp$9.eatContextual = function(name) { if (!this.isContextual(name)) { return false } this.next(); return true @@ -735,19 +746,19 @@ pp.eatContextual = function(name) { // Asserts that following token is given contextual keyword. -pp.expectContextual = function(name) { +pp$9.expectContextual = function(name) { if (!this.eatContextual(name)) { this.unexpected(); } }; // Test whether a semicolon can be inserted at the current position. -pp.canInsertSemicolon = function() { - return this.type === types.eof || - this.type === types.braceR || +pp$9.canInsertSemicolon = function() { + return this.type === types$1.eof || + this.type === types$1.braceR || lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }; -pp.insertSemicolon = function() { +pp$9.insertSemicolon = function() { if (this.canInsertSemicolon()) { if (this.options.onInsertedSemicolon) { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); } @@ -758,11 +769,11 @@ pp.insertSemicolon = function() { // Consume a semicolon, or, failing that, see if we are allowed to // pretend that there is a semicolon at this position. -pp.semicolon = function() { - if (!this.eat(types.semi) && !this.insertSemicolon()) { this.unexpected(); } +pp$9.semicolon = function() { + if (!this.eat(types$1.semi) && !this.insertSemicolon()) { this.unexpected(); } }; -pp.afterTrailingComma = function(tokType, notNext) { +pp$9.afterTrailingComma = function(tokType, notNext) { if (this.type === tokType) { if (this.options.onTrailingComma) { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); } @@ -775,34 +786,34 @@ pp.afterTrailingComma = function(tokType, notNext) { // Expect a token of a given type. If found, consume it, otherwise, // raise an unexpected token error. -pp.expect = function(type) { +pp$9.expect = function(type) { this.eat(type) || this.unexpected(); }; // Raise an unexpected token error. -pp.unexpected = function(pos) { +pp$9.unexpected = function(pos) { this.raise(pos != null ? pos : this.start, "Unexpected token"); }; -function DestructuringErrors() { +var DestructuringErrors = function DestructuringErrors() { this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = this.doubleProto = -1; -} +}; -pp.checkPatternErrors = function(refDestructuringErrors, isAssign) { +pp$9.checkPatternErrors = function(refDestructuringErrors, isAssign) { if (!refDestructuringErrors) { return } if (refDestructuringErrors.trailingComma > -1) { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); } var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; - if (parens > -1) { this.raiseRecoverable(parens, "Parenthesized pattern"); } + if (parens > -1) { this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern"); } }; -pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) { +pp$9.checkExpressionErrors = function(refDestructuringErrors, andThrow) { if (!refDestructuringErrors) { return false } var shorthandAssign = refDestructuringErrors.shorthandAssign; var doubleProto = refDestructuringErrors.doubleProto; @@ -813,20 +824,20 @@ pp.checkExpressionErrors = function(refDestructuringErrors, andThrow) { { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); } }; -pp.checkYieldAwaitInDefaultParams = function() { +pp$9.checkYieldAwaitInDefaultParams = function() { if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) { this.raise(this.yieldPos, "Yield expression cannot be a default value"); } if (this.awaitPos) { this.raise(this.awaitPos, "Await expression cannot be a default value"); } }; -pp.isSimpleAssignTarget = function(expr) { +pp$9.isSimpleAssignTarget = function(expr) { if (expr.type === "ParenthesizedExpression") { return this.isSimpleAssignTarget(expr.expression) } return expr.type === "Identifier" || expr.type === "MemberExpression" }; -var pp$1 = Parser.prototype; +var pp$8 = Parser.prototype; // ### Statement parsing @@ -835,10 +846,10 @@ var pp$1 = Parser.prototype; // `program` argument. If present, the statements will be appended // to its body instead of creating a new node. -pp$1.parseTopLevel = function(node) { +pp$8.parseTopLevel = function(node) { var exports = Object.create(null); if (!node.body) { node.body = []; } - while (this.type !== types.eof) { + while (this.type !== types$1.eof) { var stmt = this.parseStatement(null, true, exports); node.body.push(stmt); } @@ -857,7 +868,7 @@ pp$1.parseTopLevel = function(node) { var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}; -pp$1.isLet = function(context) { +pp$8.isLet = function(context) { if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false } skipWhiteSpace.lastIndex = this.pos; var skip = skipWhiteSpace.exec(this.input); @@ -866,10 +877,10 @@ pp$1.isLet = function(context) { // Statement) is allowed here. If context is not empty then only a Statement // is allowed. However, `let [` is an explicit negative lookahead for // ExpressionStatement, so special-case it first. - if (nextCh === 91 || nextCh === 92 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } // '[', '/', astral + if (nextCh === 91 || nextCh === 92) { return true } // '[', '\' if (context) { return false } - if (nextCh === 123) { return true } // '{' + if (nextCh === 123 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } // '{', astral if (isIdentifierStart(nextCh, true)) { var pos = next + 1; while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) { ++pos; } @@ -883,7 +894,7 @@ pp$1.isLet = function(context) { // check 'async [no LineTerminator here] function' // - 'async /*foo*/ function' is OK. // - 'async /*\n*/ function' is invalid. -pp$1.isAsyncFunction = function() { +pp$8.isAsyncFunction = function() { if (this.options.ecmaVersion < 8 || !this.isContextual("async")) { return false } @@ -903,11 +914,11 @@ pp$1.isAsyncFunction = function() { // `if (foo) /blah/.exec(foo)`, where looking at the previous token // does not help. -pp$1.parseStatement = function(context, topLevel, exports) { +pp$8.parseStatement = function(context, topLevel, exports) { var starttype = this.type, node = this.startNode(), kind; if (this.isLet(context)) { - starttype = types._var; + starttype = types$1._var; kind = "let"; } @@ -916,35 +927,35 @@ pp$1.parseStatement = function(context, topLevel, exports) { // complexity. switch (starttype) { - case types._break: case types._continue: return this.parseBreakContinueStatement(node, starttype.keyword) - case types._debugger: return this.parseDebuggerStatement(node) - case types._do: return this.parseDoStatement(node) - case types._for: return this.parseForStatement(node) - case types._function: + case types$1._break: case types$1._continue: return this.parseBreakContinueStatement(node, starttype.keyword) + case types$1._debugger: return this.parseDebuggerStatement(node) + case types$1._do: return this.parseDoStatement(node) + case types$1._for: return this.parseForStatement(node) + case types$1._function: // Function as sole body of either an if statement or a labeled statement // works, but not when it is part of a labeled statement that is the sole // body of an if statement. if ((context && (this.strict || context !== "if" && context !== "label")) && this.options.ecmaVersion >= 6) { this.unexpected(); } return this.parseFunctionStatement(node, false, !context) - case types._class: + case types$1._class: if (context) { this.unexpected(); } return this.parseClass(node, true) - case types._if: return this.parseIfStatement(node) - case types._return: return this.parseReturnStatement(node) - case types._switch: return this.parseSwitchStatement(node) - case types._throw: return this.parseThrowStatement(node) - case types._try: return this.parseTryStatement(node) - case types._const: case types._var: + case types$1._if: return this.parseIfStatement(node) + case types$1._return: return this.parseReturnStatement(node) + case types$1._switch: return this.parseSwitchStatement(node) + case types$1._throw: return this.parseThrowStatement(node) + case types$1._try: return this.parseTryStatement(node) + case types$1._const: case types$1._var: kind = kind || this.value; if (context && kind !== "var") { this.unexpected(); } return this.parseVarStatement(node, kind) - case types._while: return this.parseWhileStatement(node) - case types._with: return this.parseWithStatement(node) - case types.braceL: return this.parseBlock(true, node) - case types.semi: return this.parseEmptyStatement(node) - case types._export: - case types._import: - if (this.options.ecmaVersion > 10 && starttype === types._import) { + case types$1._while: return this.parseWhileStatement(node) + case types$1._with: return this.parseWithStatement(node) + case types$1.braceL: return this.parseBlock(true, node) + case types$1.semi: return this.parseEmptyStatement(node) + case types$1._export: + case types$1._import: + if (this.options.ecmaVersion > 10 && starttype === types$1._import) { skipWhiteSpace.lastIndex = this.pos; var skip = skipWhiteSpace.exec(this.input); var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); @@ -958,7 +969,7 @@ pp$1.parseStatement = function(context, topLevel, exports) { if (!this.inModule) { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); } } - return starttype === types._import ? this.parseImport(node) : this.parseExport(node, exports) + return starttype === types$1._import ? this.parseImport(node) : this.parseExport(node, exports) // If the statement does not start with a statement keyword or a // brace, it's an ExpressionStatement or LabeledStatement. We @@ -973,17 +984,17 @@ pp$1.parseStatement = function(context, topLevel, exports) { } var maybeName = this.value, expr = this.parseExpression(); - if (starttype === types.name && expr.type === "Identifier" && this.eat(types.colon)) + if (starttype === types$1.name && expr.type === "Identifier" && this.eat(types$1.colon)) { return this.parseLabeledStatement(node, maybeName, expr, context) } else { return this.parseExpressionStatement(node, expr) } } }; -pp$1.parseBreakContinueStatement = function(node, keyword) { +pp$8.parseBreakContinueStatement = function(node, keyword) { var isBreak = keyword === "break"; this.next(); - if (this.eat(types.semi) || this.insertSemicolon()) { node.label = null; } - else if (this.type !== types.name) { this.unexpected(); } + if (this.eat(types$1.semi) || this.insertSemicolon()) { node.label = null; } + else if (this.type !== types$1.name) { this.unexpected(); } else { node.label = this.parseIdent(); this.semicolon(); @@ -1003,21 +1014,21 @@ pp$1.parseBreakContinueStatement = function(node, keyword) { return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") }; -pp$1.parseDebuggerStatement = function(node) { +pp$8.parseDebuggerStatement = function(node) { this.next(); this.semicolon(); return this.finishNode(node, "DebuggerStatement") }; -pp$1.parseDoStatement = function(node) { +pp$8.parseDoStatement = function(node) { this.next(); this.labels.push(loopLabel); node.body = this.parseStatement("do"); this.labels.pop(); - this.expect(types._while); + this.expect(types$1._while); node.test = this.parseParenExpression(); if (this.options.ecmaVersion >= 6) - { this.eat(types.semi); } + { this.eat(types$1.semi); } else { this.semicolon(); } return this.finishNode(node, "DoWhileStatement") @@ -1031,25 +1042,25 @@ pp$1.parseDoStatement = function(node) { // part (semicolon immediately after the opening parenthesis), it // is a regular `for` loop. -pp$1.parseForStatement = function(node) { +pp$8.parseForStatement = function(node) { this.next(); var awaitAt = (this.options.ecmaVersion >= 9 && this.canAwait && this.eatContextual("await")) ? this.lastTokStart : -1; this.labels.push(loopLabel); this.enterScope(0); - this.expect(types.parenL); - if (this.type === types.semi) { + this.expect(types$1.parenL); + if (this.type === types$1.semi) { if (awaitAt > -1) { this.unexpected(awaitAt); } return this.parseFor(node, null) } var isLet = this.isLet(); - if (this.type === types._var || this.type === types._const || isLet) { + if (this.type === types$1._var || this.type === types$1._const || isLet) { var init$1 = this.startNode(), kind = isLet ? "let" : this.value; this.next(); this.parseVar(init$1, true, kind); this.finishNode(init$1, "VariableDeclaration"); - if ((this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1) { + if ((this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1) { if (this.options.ecmaVersion >= 9) { - if (this.type === types._in) { + if (this.type === types$1._in) { if (awaitAt > -1) { this.unexpected(awaitAt); } } else { node.await = awaitAt > -1; } } @@ -1059,13 +1070,19 @@ pp$1.parseForStatement = function(node) { return this.parseFor(node, init$1) } var startsWithLet = this.isContextual("let"), isForOf = false; + var containsEsc = this.containsEsc; var refDestructuringErrors = new DestructuringErrors; - var init = this.parseExpression(awaitAt > -1 ? "await" : true, refDestructuringErrors); - if (this.type === types._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of"))) { - if (this.options.ecmaVersion >= 9) { - if (this.type === types._in) { - if (awaitAt > -1) { this.unexpected(awaitAt); } - } else { node.await = awaitAt > -1; } + var initPos = this.start; + var init = awaitAt > -1 + ? this.parseExprSubscripts(refDestructuringErrors, "await") + : this.parseExpression(true, refDestructuringErrors); + if (this.type === types$1._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of"))) { + if (awaitAt > -1) { // implies `ecmaVersion >= 9` (see declaration of awaitAt) + if (this.type === types$1._in) { this.unexpected(awaitAt); } + node.await = true; + } else if (isForOf && this.options.ecmaVersion >= 8) { + if (init.start === initPos && !containsEsc && init.type === "Identifier" && init.name === "async") { this.unexpected(); } + else if (this.options.ecmaVersion >= 9) { node.await = false; } } if (startsWithLet && isForOf) { this.raise(init.start, "The left-hand side of a for-of loop may not start with 'let'."); } this.toAssignable(init, false, refDestructuringErrors); @@ -1078,21 +1095,21 @@ pp$1.parseForStatement = function(node) { return this.parseFor(node, init) }; -pp$1.parseFunctionStatement = function(node, isAsync, declarationPosition) { +pp$8.parseFunctionStatement = function(node, isAsync, declarationPosition) { this.next(); return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync) }; -pp$1.parseIfStatement = function(node) { +pp$8.parseIfStatement = function(node) { this.next(); node.test = this.parseParenExpression(); // allow function declarations in branches, but only in non-strict mode node.consequent = this.parseStatement("if"); - node.alternate = this.eat(types._else) ? this.parseStatement("if") : null; + node.alternate = this.eat(types$1._else) ? this.parseStatement("if") : null; return this.finishNode(node, "IfStatement") }; -pp$1.parseReturnStatement = function(node) { +pp$8.parseReturnStatement = function(node) { if (!this.inFunction && !this.options.allowReturnOutsideFunction) { this.raise(this.start, "'return' outside of function"); } this.next(); @@ -1101,16 +1118,16 @@ pp$1.parseReturnStatement = function(node) { // optional arguments, we eagerly look for a semicolon or the // possibility to insert one. - if (this.eat(types.semi) || this.insertSemicolon()) { node.argument = null; } + if (this.eat(types$1.semi) || this.insertSemicolon()) { node.argument = null; } else { node.argument = this.parseExpression(); this.semicolon(); } return this.finishNode(node, "ReturnStatement") }; -pp$1.parseSwitchStatement = function(node) { +pp$8.parseSwitchStatement = function(node) { this.next(); node.discriminant = this.parseParenExpression(); node.cases = []; - this.expect(types.braceL); + this.expect(types$1.braceL); this.labels.push(switchLabel); this.enterScope(0); @@ -1119,9 +1136,9 @@ pp$1.parseSwitchStatement = function(node) { // adding statements to. var cur; - for (var sawDefault = false; this.type !== types.braceR;) { - if (this.type === types._case || this.type === types._default) { - var isCase = this.type === types._case; + for (var sawDefault = false; this.type !== types$1.braceR;) { + if (this.type === types$1._case || this.type === types$1._default) { + var isCase = this.type === types$1._case; if (cur) { this.finishNode(cur, "SwitchCase"); } node.cases.push(cur = this.startNode()); cur.consequent = []; @@ -1133,7 +1150,7 @@ pp$1.parseSwitchStatement = function(node) { sawDefault = true; cur.test = null; } - this.expect(types.colon); + this.expect(types$1.colon); } else { if (!cur) { this.unexpected(); } cur.consequent.push(this.parseStatement(null)); @@ -1146,7 +1163,7 @@ pp$1.parseSwitchStatement = function(node) { return this.finishNode(node, "SwitchStatement") }; -pp$1.parseThrowStatement = function(node) { +pp$8.parseThrowStatement = function(node) { this.next(); if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) { this.raise(this.lastTokEnd, "Illegal newline after throw"); } @@ -1157,21 +1174,27 @@ pp$1.parseThrowStatement = function(node) { // Reused empty array added for node fields that are always empty. -var empty = []; +var empty$1 = []; -pp$1.parseTryStatement = function(node) { +pp$8.parseCatchClauseParam = function() { + var param = this.parseBindingAtom(); + var simple = param.type === "Identifier"; + this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); + this.checkLValPattern(param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); + this.expect(types$1.parenR); + + return param +}; + +pp$8.parseTryStatement = function(node) { this.next(); node.block = this.parseBlock(); node.handler = null; - if (this.type === types._catch) { + if (this.type === types$1._catch) { var clause = this.startNode(); this.next(); - if (this.eat(types.parenL)) { - clause.param = this.parseBindingAtom(); - var simple = clause.param.type === "Identifier"; - this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); - this.checkLValPattern(clause.param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); - this.expect(types.parenR); + if (this.eat(types$1.parenL)) { + clause.param = this.parseCatchClauseParam(); } else { if (this.options.ecmaVersion < 10) { this.unexpected(); } clause.param = null; @@ -1181,20 +1204,20 @@ pp$1.parseTryStatement = function(node) { this.exitScope(); node.handler = this.finishNode(clause, "CatchClause"); } - node.finalizer = this.eat(types._finally) ? this.parseBlock() : null; + node.finalizer = this.eat(types$1._finally) ? this.parseBlock() : null; if (!node.handler && !node.finalizer) { this.raise(node.start, "Missing catch or finally clause"); } return this.finishNode(node, "TryStatement") }; -pp$1.parseVarStatement = function(node, kind) { +pp$8.parseVarStatement = function(node, kind, allowMissingInitializer) { this.next(); - this.parseVar(node, false, kind); + this.parseVar(node, false, kind, allowMissingInitializer); this.semicolon(); return this.finishNode(node, "VariableDeclaration") }; -pp$1.parseWhileStatement = function(node) { +pp$8.parseWhileStatement = function(node) { this.next(); node.test = this.parseParenExpression(); this.labels.push(loopLabel); @@ -1203,7 +1226,7 @@ pp$1.parseWhileStatement = function(node) { return this.finishNode(node, "WhileStatement") }; -pp$1.parseWithStatement = function(node) { +pp$8.parseWithStatement = function(node) { if (this.strict) { this.raise(this.start, "'with' in strict mode"); } this.next(); node.object = this.parseParenExpression(); @@ -1211,12 +1234,12 @@ pp$1.parseWithStatement = function(node) { return this.finishNode(node, "WithStatement") }; -pp$1.parseEmptyStatement = function(node) { +pp$8.parseEmptyStatement = function(node) { this.next(); return this.finishNode(node, "EmptyStatement") }; -pp$1.parseLabeledStatement = function(node, maybeName, expr, context) { +pp$8.parseLabeledStatement = function(node, maybeName, expr, context) { for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) { var label = list[i$1]; @@ -1224,7 +1247,7 @@ pp$1.parseLabeledStatement = function(node, maybeName, expr, context) { if (label.name === maybeName) { this.raise(expr.start, "Label '" + maybeName + "' is already declared"); } } - var kind = this.type.isLoop ? "loop" : this.type === types._switch ? "switch" : null; + var kind = this.type.isLoop ? "loop" : this.type === types$1._switch ? "switch" : null; for (var i = this.labels.length - 1; i >= 0; i--) { var label$1 = this.labels[i]; if (label$1.statementStart === node.start) { @@ -1240,7 +1263,7 @@ pp$1.parseLabeledStatement = function(node, maybeName, expr, context) { return this.finishNode(node, "LabeledStatement") }; -pp$1.parseExpressionStatement = function(node, expr) { +pp$8.parseExpressionStatement = function(node, expr) { node.expression = expr; this.semicolon(); return this.finishNode(node, "ExpressionStatement") @@ -1250,14 +1273,14 @@ pp$1.parseExpressionStatement = function(node, expr) { // strict"` declarations when `allowStrict` is true (used for // function bodies). -pp$1.parseBlock = function(createNewLexicalScope, node, exitStrict) { +pp$8.parseBlock = function(createNewLexicalScope, node, exitStrict) { if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true; if ( node === void 0 ) node = this.startNode(); node.body = []; - this.expect(types.braceL); + this.expect(types$1.braceL); if (createNewLexicalScope) { this.enterScope(0); } - while (this.type !== types.braceR) { + while (this.type !== types$1.braceR) { var stmt = this.parseStatement(null); node.body.push(stmt); } @@ -1271,13 +1294,13 @@ pp$1.parseBlock = function(createNewLexicalScope, node, exitStrict) { // `parseStatement` will already have parsed the init statement or // expression. -pp$1.parseFor = function(node, init) { +pp$8.parseFor = function(node, init) { node.init = init; - this.expect(types.semi); - node.test = this.type === types.semi ? null : this.parseExpression(); - this.expect(types.semi); - node.update = this.type === types.parenR ? null : this.parseExpression(); - this.expect(types.parenR); + this.expect(types$1.semi); + node.test = this.type === types$1.semi ? null : this.parseExpression(); + this.expect(types$1.semi); + node.update = this.type === types$1.parenR ? null : this.parseExpression(); + this.expect(types$1.parenR); node.body = this.parseStatement("for"); this.exitScope(); this.labels.pop(); @@ -1287,8 +1310,8 @@ pp$1.parseFor = function(node, init) { // Parse a `for`/`in` and `for`/`of` loop, which are almost // same from parser's perspective. -pp$1.parseForIn = function(node, init) { - var isForIn = this.type === types._in; +pp$8.parseForIn = function(node, init) { + var isForIn = this.type === types$1._in; this.next(); if ( @@ -1309,7 +1332,7 @@ pp$1.parseForIn = function(node, init) { } node.left = init; node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); - this.expect(types.parenR); + this.expect(types$1.parenR); node.body = this.parseStatement("for"); this.exitScope(); this.labels.pop(); @@ -1318,28 +1341,28 @@ pp$1.parseForIn = function(node, init) { // Parse a list of variable declarations. -pp$1.parseVar = function(node, isFor, kind) { +pp$8.parseVar = function(node, isFor, kind, allowMissingInitializer) { node.declarations = []; node.kind = kind; for (;;) { var decl = this.startNode(); this.parseVarId(decl, kind); - if (this.eat(types.eq)) { + if (this.eat(types$1.eq)) { decl.init = this.parseMaybeAssign(isFor); - } else if (kind === "const" && !(this.type === types._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { + } else if (!allowMissingInitializer && kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { this.unexpected(); - } else if (decl.id.type !== "Identifier" && !(isFor && (this.type === types._in || this.isContextual("of")))) { + } else if (!allowMissingInitializer && decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); } else { decl.init = null; } node.declarations.push(this.finishNode(decl, "VariableDeclarator")); - if (!this.eat(types.comma)) { break } + if (!this.eat(types$1.comma)) { break } } return node }; -pp$1.parseVarId = function(decl, kind) { +pp$8.parseVarId = function(decl, kind) { decl.id = this.parseBindingAtom(); this.checkLValPattern(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); }; @@ -1350,18 +1373,18 @@ var FUNC_STATEMENT = 1, FUNC_HANGING_STATEMENT = 2, FUNC_NULLABLE_ID = 4; // `statement & FUNC_STATEMENT`). // Remove `allowExpressionBody` for 7.0.0, as it is only called with false -pp$1.parseFunction = function(node, statement, allowExpressionBody, isAsync, forInit) { +pp$8.parseFunction = function(node, statement, allowExpressionBody, isAsync, forInit) { this.initFunction(node); if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { - if (this.type === types.star && (statement & FUNC_HANGING_STATEMENT)) + if (this.type === types$1.star && (statement & FUNC_HANGING_STATEMENT)) { this.unexpected(); } - node.generator = this.eat(types.star); + node.generator = this.eat(types$1.star); } if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } if (statement & FUNC_STATEMENT) { - node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types.name ? null : this.parseIdent(); + node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types$1.name ? null : this.parseIdent(); if (node.id && !(statement & FUNC_HANGING_STATEMENT)) // If it is a regular function declaration in sloppy mode, then it is // subject to Annex B semantics (BIND_FUNCTION). Otherwise, the binding @@ -1377,7 +1400,7 @@ pp$1.parseFunction = function(node, statement, allowExpressionBody, isAsync, for this.enterScope(functionFlags(node.async, node.generator)); if (!(statement & FUNC_STATEMENT)) - { node.id = this.type === types.name ? this.parseIdent() : null; } + { node.id = this.type === types$1.name ? this.parseIdent() : null; } this.parseFunctionParams(node); this.parseFunctionBody(node, allowExpressionBody, false, forInit); @@ -1388,16 +1411,16 @@ pp$1.parseFunction = function(node, statement, allowExpressionBody, isAsync, for return this.finishNode(node, (statement & FUNC_STATEMENT) ? "FunctionDeclaration" : "FunctionExpression") }; -pp$1.parseFunctionParams = function(node) { - this.expect(types.parenL); - node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8); +pp$8.parseFunctionParams = function(node) { + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); this.checkYieldAwaitInDefaultParams(); }; // Parse a class declaration or literal (depending on the // `isStatement` parameter). -pp$1.parseClass = function(node, isStatement) { +pp$8.parseClass = function(node, isStatement) { this.next(); // ecma-262 14.6 Class Definitions @@ -1411,13 +1434,13 @@ pp$1.parseClass = function(node, isStatement) { var classBody = this.startNode(); var hadConstructor = false; classBody.body = []; - this.expect(types.braceL); - while (this.type !== types.braceR) { + this.expect(types$1.braceL); + while (this.type !== types$1.braceR) { var element = this.parseClassElement(node.superClass !== null); if (element) { classBody.body.push(element); if (element.type === "MethodDefinition" && element.kind === "constructor") { - if (hadConstructor) { this.raise(element.start, "Duplicate constructor in the same class"); } + if (hadConstructor) { this.raiseRecoverable(element.start, "Duplicate constructor in the same class"); } hadConstructor = true; } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) { this.raiseRecoverable(element.key.start, ("Identifier '#" + (element.key.name) + "' has already been declared")); @@ -1431,8 +1454,8 @@ pp$1.parseClass = function(node, isStatement) { return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") }; -pp$1.parseClassElement = function(constructorAllowsSuper) { - if (this.eat(types.semi)) { return null } +pp$8.parseClassElement = function(constructorAllowsSuper) { + if (this.eat(types$1.semi)) { return null } var ecmaVersion = this.options.ecmaVersion; var node = this.startNode(); @@ -1444,11 +1467,11 @@ pp$1.parseClassElement = function(constructorAllowsSuper) { if (this.eatContextual("static")) { // Parse static init block - if (ecmaVersion >= 13 && this.eat(types.braceL)) { + if (ecmaVersion >= 13 && this.eat(types$1.braceL)) { this.parseClassStaticBlock(node); return node } - if (this.isClassElementNameStart() || this.type === types.star) { + if (this.isClassElementNameStart() || this.type === types$1.star) { isStatic = true; } else { keyName = "static"; @@ -1456,13 +1479,13 @@ pp$1.parseClassElement = function(constructorAllowsSuper) { } node.static = isStatic; if (!keyName && ecmaVersion >= 8 && this.eatContextual("async")) { - if ((this.isClassElementNameStart() || this.type === types.star) && !this.canInsertSemicolon()) { + if ((this.isClassElementNameStart() || this.type === types$1.star) && !this.canInsertSemicolon()) { isAsync = true; } else { keyName = "async"; } } - if (!keyName && (ecmaVersion >= 9 || !isAsync) && this.eat(types.star)) { + if (!keyName && (ecmaVersion >= 9 || !isAsync) && this.eat(types$1.star)) { isGenerator = true; } if (!keyName && !isAsync && !isGenerator) { @@ -1489,7 +1512,7 @@ pp$1.parseClassElement = function(constructorAllowsSuper) { } // Parse element value - if (ecmaVersion < 13 || this.type === types.parenL || kind !== "method" || isGenerator || isAsync) { + if (ecmaVersion < 13 || this.type === types$1.parenL || kind !== "method" || isGenerator || isAsync) { var isConstructor = !node.static && checkKeyName(node, "constructor"); var allowsDirectSuper = isConstructor && constructorAllowsSuper; // Couldn't move this check into the 'parseClassMethod' method for backward compatibility. @@ -1503,19 +1526,19 @@ pp$1.parseClassElement = function(constructorAllowsSuper) { return node }; -pp$1.isClassElementNameStart = function() { +pp$8.isClassElementNameStart = function() { return ( - this.type === types.name || - this.type === types.privateId || - this.type === types.num || - this.type === types.string || - this.type === types.bracketL || + this.type === types$1.name || + this.type === types$1.privateId || + this.type === types$1.num || + this.type === types$1.string || + this.type === types$1.bracketL || this.type.keyword ) }; -pp$1.parseClassElementName = function(element) { - if (this.type === types.privateId) { +pp$8.parseClassElementName = function(element) { + if (this.type === types$1.privateId) { if (this.value === "constructor") { this.raise(this.start, "Classes can't have an element named '#constructor'"); } @@ -1526,7 +1549,7 @@ pp$1.parseClassElementName = function(element) { } }; -pp$1.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { +pp$8.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { // Check key and flags var key = method.key; if (method.kind === "constructor") { @@ -1550,14 +1573,14 @@ pp$1.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper return this.finishNode(method, "MethodDefinition") }; -pp$1.parseClassField = function(field) { +pp$8.parseClassField = function(field) { if (checkKeyName(field, "constructor")) { this.raise(field.key.start, "Classes can't have a field named 'constructor'"); } else if (field.static && checkKeyName(field, "prototype")) { this.raise(field.key.start, "Classes can't have a static field named 'prototype'"); } - if (this.eat(types.eq)) { + if (this.eat(types$1.eq)) { // To raise SyntaxError if 'arguments' exists in the initializer. var scope = this.currentThisScope(); var inClassFieldInit = scope.inClassFieldInit; @@ -1572,13 +1595,13 @@ pp$1.parseClassField = function(field) { return this.finishNode(field, "PropertyDefinition") }; -pp$1.parseClassStaticBlock = function(node) { +pp$8.parseClassStaticBlock = function(node) { node.body = []; var oldLabels = this.labels; this.labels = []; this.enterScope(SCOPE_CLASS_STATIC_BLOCK | SCOPE_SUPER); - while (this.type !== types.braceR) { + while (this.type !== types$1.braceR) { var stmt = this.parseStatement(null); node.body.push(stmt); } @@ -1589,8 +1612,8 @@ pp$1.parseClassStaticBlock = function(node) { return this.finishNode(node, "StaticBlock") }; -pp$1.parseClassId = function(node, isStatement) { - if (this.type === types.name) { +pp$8.parseClassId = function(node, isStatement) { + if (this.type === types$1.name) { node.id = this.parseIdent(); if (isStatement) { this.checkLValSimple(node.id, BIND_LEXICAL, false); } @@ -1601,25 +1624,26 @@ pp$1.parseClassId = function(node, isStatement) { } }; -pp$1.parseClassSuper = function(node) { - node.superClass = this.eat(types._extends) ? this.parseExprSubscripts(false) : null; +pp$8.parseClassSuper = function(node) { + node.superClass = this.eat(types$1._extends) ? this.parseExprSubscripts(null, false) : null; }; -pp$1.enterClassBody = function() { +pp$8.enterClassBody = function() { var element = {declared: Object.create(null), used: []}; this.privateNameStack.push(element); return element.declared }; -pp$1.exitClassBody = function() { +pp$8.exitClassBody = function() { var ref = this.privateNameStack.pop(); var declared = ref.declared; var used = ref.used; + if (!this.options.checkPrivateFields) { return } var len = this.privateNameStack.length; var parent = len === 0 ? null : this.privateNameStack[len - 1]; for (var i = 0; i < used.length; ++i) { var id = used[i]; - if (!has(declared, id.name)) { + if (!hasOwn(declared, id.name)) { if (parent) { parent.used.push(id); } else { @@ -1666,56 +1690,52 @@ function checkKeyName(node, name) { // Parses module export declaration. -pp$1.parseExport = function(node, exports) { +pp$8.parseExportAllDeclaration = function(node, exports) { + if (this.options.ecmaVersion >= 11) { + if (this.eatContextual("as")) { + node.exported = this.parseModuleExportName(); + this.checkExport(exports, node.exported, this.lastTokStart); + } else { + node.exported = null; + } + } + this.expectContextual("from"); + if (this.type !== types$1.string) { this.unexpected(); } + node.source = this.parseExprAtom(); + if (this.options.ecmaVersion >= 16) + { node.attributes = this.parseWithClause(); } + this.semicolon(); + return this.finishNode(node, "ExportAllDeclaration") +}; + +pp$8.parseExport = function(node, exports) { this.next(); // export * from '...' - if (this.eat(types.star)) { - if (this.options.ecmaVersion >= 11) { - if (this.eatContextual("as")) { - node.exported = this.parseIdent(true); - this.checkExport(exports, node.exported.name, this.lastTokStart); - } else { - node.exported = null; - } - } - this.expectContextual("from"); - if (this.type !== types.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - this.semicolon(); - return this.finishNode(node, "ExportAllDeclaration") + if (this.eat(types$1.star)) { + return this.parseExportAllDeclaration(node, exports) } - if (this.eat(types._default)) { // export default ... + if (this.eat(types$1._default)) { // export default ... this.checkExport(exports, "default", this.lastTokStart); - var isAsync; - if (this.type === types._function || (isAsync = this.isAsyncFunction())) { - var fNode = this.startNode(); - this.next(); - if (isAsync) { this.next(); } - node.declaration = this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); - } else if (this.type === types._class) { - var cNode = this.startNode(); - node.declaration = this.parseClass(cNode, "nullableID"); - } else { - node.declaration = this.parseMaybeAssign(); - this.semicolon(); - } + node.declaration = this.parseExportDefaultDeclaration(); return this.finishNode(node, "ExportDefaultDeclaration") } // export var|const|let|function|class ... if (this.shouldParseExportStatement()) { - node.declaration = this.parseStatement(null); + node.declaration = this.parseExportDeclaration(node); if (node.declaration.type === "VariableDeclaration") { this.checkVariableExport(exports, node.declaration.declarations); } else - { this.checkExport(exports, node.declaration.id.name, node.declaration.id.start); } + { this.checkExport(exports, node.declaration.id, node.declaration.id.start); } node.specifiers = []; node.source = null; } else { // export { x, y as z } [from '...'] node.declaration = null; node.specifiers = this.parseExportSpecifiers(exports); if (this.eatContextual("from")) { - if (this.type !== types.string) { this.unexpected(); } + if (this.type !== types$1.string) { this.unexpected(); } node.source = this.parseExprAtom(); + if (this.options.ecmaVersion >= 16) + { node.attributes = this.parseWithClause(); } } else { for (var i = 0, list = node.specifiers; i < list.length; i += 1) { // check for keywords used as local names @@ -1724,6 +1744,10 @@ pp$1.parseExport = function(node, exports) { this.checkUnreserved(spec.local); // check if export is defined this.checkLocalExport(spec.local); + + if (spec.local.type === "Literal") { + this.raise(spec.local.start, "A string literal cannot be used as an exported binding without `from`."); + } } node.source = null; @@ -1733,17 +1757,40 @@ pp$1.parseExport = function(node, exports) { return this.finishNode(node, "ExportNamedDeclaration") }; -pp$1.checkExport = function(exports, name, pos) { +pp$8.parseExportDeclaration = function(node) { + return this.parseStatement(null) +}; + +pp$8.parseExportDefaultDeclaration = function() { + var isAsync; + if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) { this.next(); } + return this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync) + } else if (this.type === types$1._class) { + var cNode = this.startNode(); + return this.parseClass(cNode, "nullableID") + } else { + var declaration = this.parseMaybeAssign(); + this.semicolon(); + return declaration + } +}; + +pp$8.checkExport = function(exports, name, pos) { if (!exports) { return } - if (has(exports, name)) + if (typeof name !== "string") + { name = name.type === "Identifier" ? name.name : name.value; } + if (hasOwn(exports, name)) { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); } exports[name] = true; }; -pp$1.checkPatternExport = function(exports, pat) { +pp$8.checkPatternExport = function(exports, pat) { var type = pat.type; if (type === "Identifier") - { this.checkExport(exports, pat.name, pat.start); } + { this.checkExport(exports, pat, pat.start); } else if (type === "ObjectPattern") { for (var i = 0, list = pat.properties; i < list.length; i += 1) { @@ -1763,11 +1810,9 @@ pp$1.checkPatternExport = function(exports, pat) { { this.checkPatternExport(exports, pat.left); } else if (type === "RestElement") { this.checkPatternExport(exports, pat.argument); } - else if (type === "ParenthesizedExpression") - { this.checkPatternExport(exports, pat.expression); } }; -pp$1.checkVariableExport = function(exports, decls) { +pp$8.checkVariableExport = function(exports, decls) { if (!exports) { return } for (var i = 0, list = decls; i < list.length; i += 1) { @@ -1777,7 +1822,7 @@ pp$1.checkVariableExport = function(exports, decls) { } }; -pp$1.shouldParseExportStatement = function() { +pp$8.shouldParseExportStatement = function() { return this.type.keyword === "var" || this.type.keyword === "const" || this.type.keyword === "class" || @@ -1788,92 +1833,166 @@ pp$1.shouldParseExportStatement = function() { // Parses a comma-separated list of module exports. -pp$1.parseExportSpecifiers = function(exports) { +pp$8.parseExportSpecifier = function(exports) { + var node = this.startNode(); + node.local = this.parseModuleExportName(); + + node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; + this.checkExport( + exports, + node.exported, + node.exported.start + ); + + return this.finishNode(node, "ExportSpecifier") +}; + +pp$8.parseExportSpecifiers = function(exports) { var nodes = [], first = true; // export { x, y as z } [from '...'] - this.expect(types.braceL); - while (!this.eat(types.braceR)) { + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { if (!first) { - this.expect(types.comma); - if (this.afterTrailingComma(types.braceR)) { break } + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } - var node = this.startNode(); - node.local = this.parseIdent(true); - node.exported = this.eatContextual("as") ? this.parseIdent(true) : node.local; - this.checkExport(exports, node.exported.name, node.exported.start); - nodes.push(this.finishNode(node, "ExportSpecifier")); + nodes.push(this.parseExportSpecifier(exports)); } return nodes }; // Parses import declaration. -pp$1.parseImport = function(node) { +pp$8.parseImport = function(node) { this.next(); + // import '...' - if (this.type === types.string) { - node.specifiers = empty; + if (this.type === types$1.string) { + node.specifiers = empty$1; node.source = this.parseExprAtom(); } else { node.specifiers = this.parseImportSpecifiers(); this.expectContextual("from"); - node.source = this.type === types.string ? this.parseExprAtom() : this.unexpected(); + node.source = this.type === types$1.string ? this.parseExprAtom() : this.unexpected(); } + if (this.options.ecmaVersion >= 16) + { node.attributes = this.parseWithClause(); } this.semicolon(); return this.finishNode(node, "ImportDeclaration") }; // Parses a comma-separated list of module imports. -pp$1.parseImportSpecifiers = function() { - var nodes = [], first = true; - if (this.type === types.name) { - // import defaultObj, { x, y as z } from '...' - var node = this.startNode(); +pp$8.parseImportSpecifier = function() { + var node = this.startNode(); + node.imported = this.parseModuleExportName(); + + if (this.eatContextual("as")) { node.local = this.parseIdent(); - this.checkLValSimple(node.local, BIND_LEXICAL); - nodes.push(this.finishNode(node, "ImportDefaultSpecifier")); - if (!this.eat(types.comma)) { return nodes } + } else { + this.checkUnreserved(node.imported); + node.local = node.imported; } - if (this.type === types.star) { - var node$1 = this.startNode(); - this.next(); - this.expectContextual("as"); - node$1.local = this.parseIdent(); - this.checkLValSimple(node$1.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$1, "ImportNamespaceSpecifier")); + this.checkLValSimple(node.local, BIND_LEXICAL); + + return this.finishNode(node, "ImportSpecifier") +}; + +pp$8.parseImportDefaultSpecifier = function() { + // import defaultObj, { x, y as z } from '...' + var node = this.startNode(); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportDefaultSpecifier") +}; + +pp$8.parseImportNamespaceSpecifier = function() { + var node = this.startNode(); + this.next(); + this.expectContextual("as"); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportNamespaceSpecifier") +}; + +pp$8.parseImportSpecifiers = function() { + var nodes = [], first = true; + if (this.type === types$1.name) { + nodes.push(this.parseImportDefaultSpecifier()); + if (!this.eat(types$1.comma)) { return nodes } + } + if (this.type === types$1.star) { + nodes.push(this.parseImportNamespaceSpecifier()); return nodes } - this.expect(types.braceL); - while (!this.eat(types.braceR)) { + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { if (!first) { - this.expect(types.comma); - if (this.afterTrailingComma(types.braceR)) { break } + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } - var node$2 = this.startNode(); - node$2.imported = this.parseIdent(true); - if (this.eatContextual("as")) { - node$2.local = this.parseIdent(); - } else { - this.checkUnreserved(node$2.imported); - node$2.local = node$2.imported; - } - this.checkLValSimple(node$2.local, BIND_LEXICAL); - nodes.push(this.finishNode(node$2, "ImportSpecifier")); + nodes.push(this.parseImportSpecifier()); } return nodes }; +pp$8.parseWithClause = function() { + var nodes = []; + if (!this.eat(types$1._with)) { + return nodes + } + this.expect(types$1.braceL); + var attributeKeys = {}; + var first = true; + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) { break } + } else { first = false; } + + var attr = this.parseImportAttribute(); + var keyName = attr.key.type === "Identifier" ? attr.key.name : attr.key.value; + if (hasOwn(attributeKeys, keyName)) + { this.raiseRecoverable(attr.key.start, "Duplicate attribute key '" + keyName + "'"); } + attributeKeys[keyName] = true; + nodes.push(attr); + } + return nodes +}; + +pp$8.parseImportAttribute = function() { + var node = this.startNode(); + node.key = this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never"); + this.expect(types$1.colon); + if (this.type !== types$1.string) { + this.unexpected(); + } + node.value = this.parseExprAtom(); + return this.finishNode(node, "ImportAttribute") +}; + +pp$8.parseModuleExportName = function() { + if (this.options.ecmaVersion >= 13 && this.type === types$1.string) { + var stringLiteral = this.parseLiteral(this.value); + if (loneSurrogate.test(stringLiteral.value)) { + this.raise(stringLiteral.start, "An export name cannot include a lone surrogate."); + } + return stringLiteral + } + return this.parseIdent(true) +}; + // Set `ExpressionStatement#directive` property for directive prologues. -pp$1.adaptDirectivePrologue = function(statements) { +pp$8.adaptDirectivePrologue = function(statements) { for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) { statements[i].directive = statements[i].expression.raw.slice(1, -1); } }; -pp$1.isDirectiveCandidate = function(statement) { +pp$8.isDirectiveCandidate = function(statement) { return ( + this.options.ecmaVersion >= 5 && statement.type === "ExpressionStatement" && statement.expression.type === "Literal" && typeof statement.expression.value === "string" && @@ -1882,12 +2001,12 @@ pp$1.isDirectiveCandidate = function(statement) { ) }; -var pp$2 = Parser.prototype; +var pp$7 = Parser.prototype; // Convert existing expression atom to assignable pattern // if possible. -pp$2.toAssignable = function(node, isBinding, refDestructuringErrors) { +pp$7.toAssignable = function(node, isBinding, refDestructuringErrors) { if (this.options.ecmaVersion >= 6 && node) { switch (node.type) { case "Identifier": @@ -1968,7 +2087,7 @@ pp$2.toAssignable = function(node, isBinding, refDestructuringErrors) { // Convert list of expression atoms to binding list. -pp$2.toAssignableList = function(exprList, isBinding) { +pp$7.toAssignableList = function(exprList, isBinding) { var end = exprList.length; for (var i = 0; i < end; i++) { var elt = exprList[i]; @@ -1984,19 +2103,19 @@ pp$2.toAssignableList = function(exprList, isBinding) { // Parses spread element. -pp$2.parseSpread = function(refDestructuringErrors) { +pp$7.parseSpread = function(refDestructuringErrors) { var node = this.startNode(); this.next(); node.argument = this.parseMaybeAssign(false, refDestructuringErrors); return this.finishNode(node, "SpreadElement") }; -pp$2.parseRestBinding = function() { +pp$7.parseRestBinding = function() { var node = this.startNode(); this.next(); // RestElement inside of a function parameter must be an identifier - if (this.options.ecmaVersion === 6 && this.type !== types.name) + if (this.options.ecmaVersion === 6 && this.type !== types$1.name) { this.unexpected(); } node.argument = this.parseBindingAtom(); @@ -2006,56 +2125,60 @@ pp$2.parseRestBinding = function() { // Parses lvalue (assignable) atom. -pp$2.parseBindingAtom = function() { +pp$7.parseBindingAtom = function() { if (this.options.ecmaVersion >= 6) { switch (this.type) { - case types.bracketL: + case types$1.bracketL: var node = this.startNode(); this.next(); - node.elements = this.parseBindingList(types.bracketR, true, true); + node.elements = this.parseBindingList(types$1.bracketR, true, true); return this.finishNode(node, "ArrayPattern") - case types.braceL: + case types$1.braceL: return this.parseObj(true) } } return this.parseIdent() }; -pp$2.parseBindingList = function(close, allowEmpty, allowTrailingComma) { +pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowModifiers) { var elts = [], first = true; while (!this.eat(close)) { if (first) { first = false; } - else { this.expect(types.comma); } - if (allowEmpty && this.type === types.comma) { + else { this.expect(types$1.comma); } + if (allowEmpty && this.type === types$1.comma) { elts.push(null); } else if (allowTrailingComma && this.afterTrailingComma(close)) { break - } else if (this.type === types.ellipsis) { + } else if (this.type === types$1.ellipsis) { var rest = this.parseRestBinding(); this.parseBindingListItem(rest); elts.push(rest); - if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + if (this.type === types$1.comma) { this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } this.expect(close); break } else { - var elem = this.parseMaybeDefault(this.start, this.startLoc); - this.parseBindingListItem(elem); - elts.push(elem); + elts.push(this.parseAssignableListItem(allowModifiers)); } } return elts }; -pp$2.parseBindingListItem = function(param) { +pp$7.parseAssignableListItem = function(allowModifiers) { + var elem = this.parseMaybeDefault(this.start, this.startLoc); + this.parseBindingListItem(elem); + return elem +}; + +pp$7.parseBindingListItem = function(param) { return param }; // Parses assignment pattern around given atom if possible. -pp$2.parseMaybeDefault = function(startPos, startLoc, left) { +pp$7.parseMaybeDefault = function(startPos, startLoc, left) { left = left || this.parseBindingAtom(); - if (this.options.ecmaVersion < 6 || !this.eat(types.eq)) { return left } + if (this.options.ecmaVersion < 6 || !this.eat(types$1.eq)) { return left } var node = this.startNodeAt(startPos, startLoc); node.left = left; node.right = this.parseMaybeAssign(); @@ -2126,7 +2249,7 @@ pp$2.parseMaybeDefault = function(startPos, startLoc, left) { // duplicate argument names. checkClashes is ignored if the provided construct // is an assignment (i.e., bindingType is BIND_NONE). -pp$2.checkLValSimple = function(expr, bindingType, checkClashes) { +pp$7.checkLValSimple = function(expr, bindingType, checkClashes) { if ( bindingType === void 0 ) bindingType = BIND_NONE; var isBind = bindingType !== BIND_NONE; @@ -2139,7 +2262,7 @@ pp$2.checkLValSimple = function(expr, bindingType, checkClashes) { if (bindingType === BIND_LEXICAL && expr.name === "let") { this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); } if (checkClashes) { - if (has(checkClashes, expr.name)) + if (hasOwn(checkClashes, expr.name)) { this.raiseRecoverable(expr.start, "Argument name clash"); } checkClashes[expr.name] = true; } @@ -2164,7 +2287,7 @@ pp$2.checkLValSimple = function(expr, bindingType, checkClashes) { } }; -pp$2.checkLValPattern = function(expr, bindingType, checkClashes) { +pp$7.checkLValPattern = function(expr, bindingType, checkClashes) { if ( bindingType === void 0 ) bindingType = BIND_NONE; switch (expr.type) { @@ -2189,7 +2312,7 @@ pp$2.checkLValPattern = function(expr, bindingType, checkClashes) { } }; -pp$2.checkLValInnerPattern = function(expr, bindingType, checkClashes) { +pp$7.checkLValInnerPattern = function(expr, bindingType, checkClashes) { if ( bindingType === void 0 ) bindingType = BIND_NONE; switch (expr.type) { @@ -2212,6 +2335,9 @@ pp$2.checkLValInnerPattern = function(expr, bindingType, checkClashes) { }; // The algorithm used to determine whether a regexp can appear at a +// given point in the program is loosely based on sweet.js' approach. +// See https://github.com/mozilla/sweet.js/wiki/design + var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { this.token = token; @@ -2221,7 +2347,7 @@ var TokContext = function TokContext(token, isExpr, preserveSpace, override, gen this.generator = !!generator; }; -var types$1 = { +var types = { b_stat: new TokContext("{", false), b_expr: new TokContext("{", true), b_tmpl: new TokContext("${", false), @@ -2234,38 +2360,38 @@ var types$1 = { f_gen: new TokContext("function", false, false, null, true) }; -var pp$3 = Parser.prototype; +var pp$6 = Parser.prototype; -pp$3.initialContext = function() { - return [types$1.b_stat] +pp$6.initialContext = function() { + return [types.b_stat] }; -pp$3.curContext = function() { +pp$6.curContext = function() { return this.context[this.context.length - 1] }; -pp$3.braceIsBlock = function(prevType) { +pp$6.braceIsBlock = function(prevType) { var parent = this.curContext(); - if (parent === types$1.f_expr || parent === types$1.f_stat) + if (parent === types.f_expr || parent === types.f_stat) { return true } - if (prevType === types.colon && (parent === types$1.b_stat || parent === types$1.b_expr)) + if (prevType === types$1.colon && (parent === types.b_stat || parent === types.b_expr)) { return !parent.isExpr } // The check for `tt.name && exprAllowed` detects whether we are // after a `yield` or `of` construct. See the `updateContext` for // `tt.name`. - if (prevType === types._return || prevType === types.name && this.exprAllowed) + if (prevType === types$1._return || prevType === types$1.name && this.exprAllowed) { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) } - if (prevType === types._else || prevType === types.semi || prevType === types.eof || prevType === types.parenR || prevType === types.arrow) + if (prevType === types$1._else || prevType === types$1.semi || prevType === types$1.eof || prevType === types$1.parenR || prevType === types$1.arrow) { return true } - if (prevType === types.braceL) - { return parent === types$1.b_stat } - if (prevType === types._var || prevType === types._const || prevType === types.name) + if (prevType === types$1.braceL) + { return parent === types.b_stat } + if (prevType === types$1._var || prevType === types$1._const || prevType === types$1.name) { return false } return !this.exprAllowed }; -pp$3.inGeneratorContext = function() { +pp$6.inGeneratorContext = function() { for (var i = this.context.length - 1; i >= 1; i--) { var context = this.context[i]; if (context.token === "function") @@ -2274,9 +2400,9 @@ pp$3.inGeneratorContext = function() { return false }; -pp$3.updateContext = function(prevType) { +pp$6.updateContext = function(prevType) { var update, type = this.type; - if (type.keyword && prevType === types.dot) + if (type.keyword && prevType === types$1.dot) { this.exprAllowed = false; } else if (update = type.updateContext) { update.call(this, prevType); } @@ -2284,8 +2410,9 @@ pp$3.updateContext = function(prevType) { { this.exprAllowed = type.beforeExpr; } }; -// Used to handle egde case when token context could not be inferred correctly in tokenize phase -pp$3.overrideContext = function(tokenCtx) { +// Used to handle edge cases when token context could not be inferred correctly during tokenization phase + +pp$6.overrideContext = function(tokenCtx) { if (this.curContext() !== tokenCtx) { this.context[this.context.length - 1] = tokenCtx; } @@ -2293,71 +2420,76 @@ pp$3.overrideContext = function(tokenCtx) { // Token-specific context update code -types.parenR.updateContext = types.braceR.updateContext = function() { +types$1.parenR.updateContext = types$1.braceR.updateContext = function() { if (this.context.length === 1) { this.exprAllowed = true; return } var out = this.context.pop(); - if (out === types$1.b_stat && this.curContext().token === "function") { + if (out === types.b_stat && this.curContext().token === "function") { out = this.context.pop(); } this.exprAllowed = !out.isExpr; }; -types.braceL.updateContext = function(prevType) { - this.context.push(this.braceIsBlock(prevType) ? types$1.b_stat : types$1.b_expr); +types$1.braceL.updateContext = function(prevType) { + this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr); this.exprAllowed = true; }; -types.dollarBraceL.updateContext = function() { - this.context.push(types$1.b_tmpl); +types$1.dollarBraceL.updateContext = function() { + this.context.push(types.b_tmpl); this.exprAllowed = true; }; -types.parenL.updateContext = function(prevType) { - var statementParens = prevType === types._if || prevType === types._for || prevType === types._with || prevType === types._while; - this.context.push(statementParens ? types$1.p_stat : types$1.p_expr); +types$1.parenL.updateContext = function(prevType) { + var statementParens = prevType === types$1._if || prevType === types$1._for || prevType === types$1._with || prevType === types$1._while; + this.context.push(statementParens ? types.p_stat : types.p_expr); this.exprAllowed = true; }; -types.incDec.updateContext = function() { +types$1.incDec.updateContext = function() { // tokExprAllowed stays unchanged }; -types._function.updateContext = types._class.updateContext = function(prevType) { - if (prevType.beforeExpr && prevType !== types._else && - !(prevType === types.semi && this.curContext() !== types$1.p_stat) && - !(prevType === types._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && - !((prevType === types.colon || prevType === types.braceL) && this.curContext() === types$1.b_stat)) - { this.context.push(types$1.f_expr); } +types$1._function.updateContext = types$1._class.updateContext = function(prevType) { + if (prevType.beforeExpr && prevType !== types$1._else && + !(prevType === types$1.semi && this.curContext() !== types.p_stat) && + !(prevType === types$1._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && + !((prevType === types$1.colon || prevType === types$1.braceL) && this.curContext() === types.b_stat)) + { this.context.push(types.f_expr); } else - { this.context.push(types$1.f_stat); } + { this.context.push(types.f_stat); } this.exprAllowed = false; }; -types.backQuote.updateContext = function() { - if (this.curContext() === types$1.q_tmpl) +types$1.colon.updateContext = function() { + if (this.curContext().token === "function") { this.context.pop(); } + this.exprAllowed = true; +}; + +types$1.backQuote.updateContext = function() { + if (this.curContext() === types.q_tmpl) { this.context.pop(); } else - { this.context.push(types$1.q_tmpl); } + { this.context.push(types.q_tmpl); } this.exprAllowed = false; }; -types.star.updateContext = function(prevType) { - if (prevType === types._function) { +types$1.star.updateContext = function(prevType) { + if (prevType === types$1._function) { var index = this.context.length - 1; - if (this.context[index] === types$1.f_expr) - { this.context[index] = types$1.f_expr_gen; } + if (this.context[index] === types.f_expr) + { this.context[index] = types.f_expr_gen; } else - { this.context[index] = types$1.f_gen; } + { this.context[index] = types.f_gen; } } this.exprAllowed = true; }; -types.name.updateContext = function(prevType) { +types$1.name.updateContext = function(prevType) { var allowed = false; - if (this.options.ecmaVersion >= 6 && prevType !== types.dot) { + if (this.options.ecmaVersion >= 6 && prevType !== types$1.dot) { if (this.value === "of" && !this.exprAllowed || this.value === "yield" && this.inGeneratorContext()) { allowed = true; } @@ -2366,15 +2498,32 @@ types.name.updateContext = function(prevType) { }; // A recursive descent parser operates by defining functions for all +// syntactic elements, and recursively calling those, each function +// advancing the input stream and returning an AST node. Precedence +// of constructs (for example, the fact that `!x[1]` means `!(x[1])` +// instead of `(!x)[1]` is handled by the fact that the parser +// function that parses unary prefix operators is called first, and +// in turn calls the function that parses `[]` subscripts — that +// way, it'll receive the node for `x[1]` already parsed, and wraps +// *that* in the unary operator node. +// +// Acorn uses an [operator precedence parser][opp] to handle binary +// operator precedence, because it is much more compact than using +// the technique outlined above, which uses different, nesting +// functions to specify precedence, for all of the ten binary +// precedence levels that JavaScript defines. +// +// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser -var pp$4 = Parser.prototype; + +var pp$5 = Parser.prototype; // Check if property name clashes with already added. // Object/class getters and setters are not allowed to clash — // either with each other or with an init property — and in // strict mode, init properties are also not allowed to be repeated. -pp$4.checkPropClash = function(prop, propHash, refDestructuringErrors) { +pp$5.checkPropClash = function(prop, propHash, refDestructuringErrors) { if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") { return } if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) @@ -2391,10 +2540,12 @@ pp$4.checkPropClash = function(prop, propHash, refDestructuringErrors) { if (name === "__proto__" && kind === "init") { if (propHash.proto) { if (refDestructuringErrors) { - if (refDestructuringErrors.doubleProto < 0) - { refDestructuringErrors.doubleProto = key.start; } - // Backwards-compat kludge. Can be removed in version 6.0 - } else { this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); } + if (refDestructuringErrors.doubleProto < 0) { + refDestructuringErrors.doubleProto = key.start; + } + } else { + this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); + } } propHash.proto = true; } @@ -2436,13 +2587,13 @@ pp$4.checkPropClash = function(prop, propHash, refDestructuringErrors) { // and object pattern might appear (so it's possible to raise // delayed syntax error at correct position). -pp$4.parseExpression = function(forInit, refDestructuringErrors) { +pp$5.parseExpression = function(forInit, refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseMaybeAssign(forInit, refDestructuringErrors); - if (this.type === types.comma) { + if (this.type === types$1.comma) { var node = this.startNodeAt(startPos, startLoc); node.expressions = [expr]; - while (this.eat(types.comma)) { node.expressions.push(this.parseMaybeAssign(forInit, refDestructuringErrors)); } + while (this.eat(types$1.comma)) { node.expressions.push(this.parseMaybeAssign(forInit, refDestructuringErrors)); } return this.finishNode(node, "SequenceExpression") } return expr @@ -2451,7 +2602,7 @@ pp$4.parseExpression = function(forInit, refDestructuringErrors) { // Parse an assignment expression. This includes applications of // operators like `+=`. -pp$4.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse) { +pp$5.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse) { if (this.isContextual("yield")) { if (this.inGenerator) { return this.parseYield(forInit) } // The tokenizer will assume an expression is allowed after @@ -2459,10 +2610,11 @@ pp$4.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse else { this.exprAllowed = false; } } - var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1; + var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1, oldDoubleProto = -1; if (refDestructuringErrors) { oldParenAssign = refDestructuringErrors.parenthesizedAssign; oldTrailingComma = refDestructuringErrors.trailingComma; + oldDoubleProto = refDestructuringErrors.doubleProto; refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; } else { refDestructuringErrors = new DestructuringErrors; @@ -2470,7 +2622,7 @@ pp$4.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse } var startPos = this.start, startLoc = this.startLoc; - if (this.type === types.parenL || this.type === types.name) { + if (this.type === types$1.parenL || this.type === types$1.name) { this.potentialArrowAt = this.start; this.potentialArrowInForAwait = forInit === "await"; } @@ -2479,20 +2631,21 @@ pp$4.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse if (this.type.isAssign) { var node = this.startNodeAt(startPos, startLoc); node.operator = this.value; - if (this.type === types.eq) + if (this.type === types$1.eq) { left = this.toAssignable(left, false, refDestructuringErrors); } if (!ownDestructuringErrors) { refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; } if (refDestructuringErrors.shorthandAssign >= left.start) { refDestructuringErrors.shorthandAssign = -1; } // reset because shorthand default was used correctly - if (this.type === types.eq) + if (this.type === types$1.eq) { this.checkLValPattern(left); } else { this.checkLValSimple(left); } node.left = left; this.next(); node.right = this.parseMaybeAssign(forInit); + if (oldDoubleProto > -1) { refDestructuringErrors.doubleProto = oldDoubleProto; } return this.finishNode(node, "AssignmentExpression") } else { if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); } @@ -2504,15 +2657,15 @@ pp$4.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse // Parse a ternary conditional (`?:`) operator. -pp$4.parseMaybeConditional = function(forInit, refDestructuringErrors) { +pp$5.parseMaybeConditional = function(forInit, refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseExprOps(forInit, refDestructuringErrors); if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - if (this.eat(types.question)) { + if (this.eat(types$1.question)) { var node = this.startNodeAt(startPos, startLoc); node.test = expr; node.consequent = this.parseMaybeAssign(); - this.expect(types.colon); + this.expect(types$1.colon); node.alternate = this.parseMaybeAssign(forInit); return this.finishNode(node, "ConditionalExpression") } @@ -2521,7 +2674,7 @@ pp$4.parseMaybeConditional = function(forInit, refDestructuringErrors) { // Start the precedence parser. -pp$4.parseExprOps = function(forInit, refDestructuringErrors) { +pp$5.parseExprOps = function(forInit, refDestructuringErrors) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseMaybeUnary(refDestructuringErrors, false, false, forInit); if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } @@ -2534,23 +2687,23 @@ pp$4.parseExprOps = function(forInit, refDestructuringErrors) { // defer further parser to one of its callers when it encounters an // operator that has a lower precedence than the set it is parsing. -pp$4.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, forInit) { +pp$5.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, forInit) { var prec = this.type.binop; - if (prec != null && (!forInit || this.type !== types._in)) { + if (prec != null && (!forInit || this.type !== types$1._in)) { if (prec > minPrec) { - var logical = this.type === types.logicalOR || this.type === types.logicalAND; - var coalesce = this.type === types.coalesce; + var logical = this.type === types$1.logicalOR || this.type === types$1.logicalAND; + var coalesce = this.type === types$1.coalesce; if (coalesce) { // Handle the precedence of `tt.coalesce` as equal to the range of logical expressions. // In other words, `node.right` shouldn't contain logical expressions in order to check the mixed error. - prec = types.logicalAND.binop; + prec = types$1.logicalAND.binop; } var op = this.value; this.next(); var startPos = this.start, startLoc = this.startLoc; var right = this.parseExprOp(this.parseMaybeUnary(null, false, false, forInit), startPos, startLoc, prec, forInit); var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); - if ((logical && this.type === types.coalesce) || (coalesce && (this.type === types.logicalOR || this.type === types.logicalAND))) { + if ((logical && this.type === types$1.coalesce) || (coalesce && (this.type === types$1.logicalOR || this.type === types$1.logicalAND))) { this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); } return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, forInit) @@ -2559,7 +2712,8 @@ pp$4.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, forInit) return left }; -pp$4.buildBinary = function(startPos, startLoc, left, right, op, logical) { +pp$5.buildBinary = function(startPos, startLoc, left, right, op, logical) { + if (right.type === "PrivateIdentifier") { this.raise(right.start, "Private identifier can only be left side of binary expression"); } var node = this.startNodeAt(startPos, startLoc); node.left = left; node.operator = op; @@ -2569,26 +2723,30 @@ pp$4.buildBinary = function(startPos, startLoc, left, right, op, logical) { // Parse unary operators, both prefix and postfix. -pp$4.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forInit) { +pp$5.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forInit) { var startPos = this.start, startLoc = this.startLoc, expr; if (this.isContextual("await") && this.canAwait) { expr = this.parseAwait(forInit); sawUnary = true; } else if (this.type.prefix) { - var node = this.startNode(), update = this.type === types.incDec; + var node = this.startNode(), update = this.type === types$1.incDec; node.operator = this.value; node.prefix = true; this.next(); node.argument = this.parseMaybeUnary(null, true, update, forInit); this.checkExpressionErrors(refDestructuringErrors, true); if (update) { this.checkLValSimple(node.argument); } - else if (this.strict && node.operator === "delete" && - node.argument.type === "Identifier") + else if (this.strict && node.operator === "delete" && isLocalVariableAccess(node.argument)) { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); } else if (node.operator === "delete" && isPrivateFieldAccess(node.argument)) { this.raiseRecoverable(node.start, "Private fields can not be deleted"); } else { sawUnary = true; } expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); + } else if (!sawUnary && this.type === types$1.privateId) { + if ((forInit || this.privateNameStack.length === 0) && this.options.checkPrivateFields) { this.unexpected(); } + expr = this.parsePrivateIdent(); + // only could be private fields in 'in', such as #x in obj + if (this.type !== types$1._in) { this.unexpected(); } } else { expr = this.parseExprSubscripts(refDestructuringErrors, forInit); if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } @@ -2603,7 +2761,7 @@ pp$4.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forIni } } - if (!incDec && this.eat(types.starstar)) { + if (!incDec && this.eat(types$1.starstar)) { if (sawUnary) { this.unexpected(this.lastTokStart); } else @@ -2613,16 +2771,24 @@ pp$4.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forIni } }; +function isLocalVariableAccess(node) { + return ( + node.type === "Identifier" || + node.type === "ParenthesizedExpression" && isLocalVariableAccess(node.expression) + ) +} + function isPrivateFieldAccess(node) { return ( node.type === "MemberExpression" && node.property.type === "PrivateIdentifier" || - node.type === "ChainExpression" && isPrivateFieldAccess(node.expression) + node.type === "ChainExpression" && isPrivateFieldAccess(node.expression) || + node.type === "ParenthesizedExpression" && isPrivateFieldAccess(node.expression) ) } // Parse call, dot, and `[]`-subscript expressions. -pp$4.parseExprSubscripts = function(refDestructuringErrors, forInit) { +pp$5.parseExprSubscripts = function(refDestructuringErrors, forInit) { var startPos = this.start, startLoc = this.startLoc; var expr = this.parseExprAtom(refDestructuringErrors, forInit); if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") @@ -2636,7 +2802,7 @@ pp$4.parseExprSubscripts = function(refDestructuringErrors, forInit) { return result }; -pp$4.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { +pp$5.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && this.potentialArrowAt === base.start; @@ -2659,19 +2825,27 @@ pp$4.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { } }; -pp$4.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { +pp$5.shouldParseAsyncArrow = function() { + return !this.canInsertSemicolon() && this.eat(types$1.arrow) +}; + +pp$5.parseSubscriptAsyncArrow = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) +}; + +pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { var optionalSupported = this.options.ecmaVersion >= 11; - var optional = optionalSupported && this.eat(types.questionDot); + var optional = optionalSupported && this.eat(types$1.questionDot); if (noCalls && optional) { this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); } - var computed = this.eat(types.bracketL); - if (computed || (optional && this.type !== types.parenL && this.type !== types.backQuote) || this.eat(types.dot)) { + var computed = this.eat(types$1.bracketL); + if (computed || (optional && this.type !== types$1.parenL && this.type !== types$1.backQuote) || this.eat(types$1.dot)) { var node = this.startNodeAt(startPos, startLoc); node.object = base; if (computed) { node.property = this.parseExpression(); - this.expect(types.bracketR); - } else if (this.type === types.privateId && base.type !== "Super") { + this.expect(types$1.bracketR); + } else if (this.type === types$1.privateId && base.type !== "Super") { node.property = this.parsePrivateIdent(); } else { node.property = this.parseIdent(this.options.allowReserved !== "never"); @@ -2681,13 +2855,13 @@ pp$4.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro node.optional = optional; } base = this.finishNode(node, "MemberExpression"); - } else if (!noCalls && this.eat(types.parenL)) { + } else if (!noCalls && this.eat(types$1.parenL)) { var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.yieldPos = 0; this.awaitPos = 0; this.awaitIdentPos = 0; - var exprList = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); - if (maybeAsyncArrow && !optional && !this.canInsertSemicolon() && this.eat(types.arrow)) { + var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); + if (maybeAsyncArrow && !optional && this.shouldParseAsyncArrow()) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); if (this.awaitIdentPos > 0) @@ -2695,7 +2869,7 @@ pp$4.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro this.yieldPos = oldYieldPos; this.awaitPos = oldAwaitPos; this.awaitIdentPos = oldAwaitIdentPos; - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + return this.parseSubscriptAsyncArrow(startPos, startLoc, exprList, forInit) } this.checkExpressionErrors(refDestructuringErrors, true); this.yieldPos = oldYieldPos || this.yieldPos; @@ -2708,7 +2882,7 @@ pp$4.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro node$1.optional = optional; } base = this.finishNode(node$1, "CallExpression"); - } else if (this.type === types.backQuote) { + } else if (this.type === types$1.backQuote) { if (optional || optionalChained) { this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); } @@ -2725,19 +2899,19 @@ pp$4.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArro // `new`, or an expression wrapped in punctuation like `()`, `[]`, // or `{}`. -pp$4.parseExprAtom = function(refDestructuringErrors, forInit) { +pp$5.parseExprAtom = function(refDestructuringErrors, forInit, forNew) { // If a division operator appears in an expression position, the // tokenizer got confused, and we force it to read a regexp instead. - if (this.type === types.slash) { this.readRegexp(); } + if (this.type === types$1.slash) { this.readRegexp(); } var node, canBeArrow = this.potentialArrowAt === this.start; switch (this.type) { - case types._super: + case types$1._super: if (!this.allowSuper) { this.raise(this.start, "'super' keyword outside a method"); } node = this.startNode(); this.next(); - if (this.type === types.parenL && !this.allowDirectSuper) + if (this.type === types$1.parenL && !this.allowDirectSuper) { this.raise(node.start, "super() call outside constructor of a subclass"); } // The `super` keyword can appear at below: // SuperProperty: @@ -2745,52 +2919,52 @@ pp$4.parseExprAtom = function(refDestructuringErrors, forInit) { // super . IdentifierName // SuperCall: // super ( Arguments ) - if (this.type !== types.dot && this.type !== types.bracketL && this.type !== types.parenL) + if (this.type !== types$1.dot && this.type !== types$1.bracketL && this.type !== types$1.parenL) { this.unexpected(); } return this.finishNode(node, "Super") - case types._this: + case types$1._this: node = this.startNode(); this.next(); return this.finishNode(node, "ThisExpression") - case types.name: + case types$1.name: var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; var id = this.parseIdent(false); - if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types._function)) { - this.overrideContext(types$1.f_expr); + if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types$1._function)) { + this.overrideContext(types.f_expr); return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true, forInit) } if (canBeArrow && !this.canInsertSemicolon()) { - if (this.eat(types.arrow)) + if (this.eat(types$1.arrow)) { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false, forInit) } - if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types.name && !containsEsc && + if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types$1.name && !containsEsc && (!this.potentialArrowInForAwait || this.value !== "of" || this.containsEsc)) { id = this.parseIdent(false); - if (this.canInsertSemicolon() || !this.eat(types.arrow)) + if (this.canInsertSemicolon() || !this.eat(types$1.arrow)) { this.unexpected(); } return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true, forInit) } } return id - case types.regexp: + case types$1.regexp: var value = this.value; node = this.parseLiteral(value.value); node.regex = {pattern: value.pattern, flags: value.flags}; return node - case types.num: case types.string: + case types$1.num: case types$1.string: return this.parseLiteral(this.value) - case types._null: case types._true: case types._false: + case types$1._null: case types$1._true: case types$1._false: node = this.startNode(); - node.value = this.type === types._null ? null : this.type === types._true; + node.value = this.type === types$1._null ? null : this.type === types$1._true; node.raw = this.type.keyword; this.next(); return this.finishNode(node, "Literal") - case types.parenL: + case types$1.parenL: var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow, forInit); if (refDestructuringErrors) { if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) @@ -2800,81 +2974,105 @@ pp$4.parseExprAtom = function(refDestructuringErrors, forInit) { } return expr - case types.bracketL: + case types$1.bracketL: node = this.startNode(); this.next(); - node.elements = this.parseExprList(types.bracketR, true, true, refDestructuringErrors); + node.elements = this.parseExprList(types$1.bracketR, true, true, refDestructuringErrors); return this.finishNode(node, "ArrayExpression") - case types.braceL: - this.overrideContext(types$1.b_expr); + case types$1.braceL: + this.overrideContext(types.b_expr); return this.parseObj(false, refDestructuringErrors) - case types._function: + case types$1._function: node = this.startNode(); this.next(); return this.parseFunction(node, 0) - case types._class: + case types$1._class: return this.parseClass(this.startNode(), false) - case types._new: + case types$1._new: return this.parseNew() - case types.backQuote: + case types$1.backQuote: return this.parseTemplate() - case types._import: + case types$1._import: if (this.options.ecmaVersion >= 11) { - return this.parseExprImport() + return this.parseExprImport(forNew) } else { return this.unexpected() } default: - this.unexpected(); + return this.parseExprAtomDefault() } }; -pp$4.parseExprImport = function() { +pp$5.parseExprAtomDefault = function() { + this.unexpected(); +}; + +pp$5.parseExprImport = function(forNew) { var node = this.startNode(); // Consume `import` as an identifier for `import.meta`. // Because `this.parseIdent(true)` doesn't check escape sequences, it needs the check of `this.containsEsc`. if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } - var meta = this.parseIdent(true); + this.next(); - switch (this.type) { - case types.parenL: + if (this.type === types$1.parenL && !forNew) { return this.parseDynamicImport(node) - case types.dot: - node.meta = meta; + } else if (this.type === types$1.dot) { + var meta = this.startNodeAt(node.start, node.loc && node.loc.start); + meta.name = "import"; + node.meta = this.finishNode(meta, "Identifier"); return this.parseImportMeta(node) - default: + } else { this.unexpected(); } }; -pp$4.parseDynamicImport = function(node) { +pp$5.parseDynamicImport = function(node) { this.next(); // skip `(` // Parse node.source. node.source = this.parseMaybeAssign(); - // Verify ending. - if (!this.eat(types.parenR)) { - var errorPos = this.start; - if (this.eat(types.comma) && this.eat(types.parenR)) { - this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); + if (this.options.ecmaVersion >= 16) { + if (!this.eat(types$1.parenR)) { + this.expect(types$1.comma); + if (!this.afterTrailingComma(types$1.parenR)) { + node.options = this.parseMaybeAssign(); + if (!this.eat(types$1.parenR)) { + this.expect(types$1.comma); + if (!this.afterTrailingComma(types$1.parenR)) { + this.unexpected(); + } + } + } else { + node.options = null; + } } else { - this.unexpected(errorPos); + node.options = null; + } + } else { + // Verify ending. + if (!this.eat(types$1.parenR)) { + var errorPos = this.start; + if (this.eat(types$1.comma) && this.eat(types$1.parenR)) { + this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); + } else { + this.unexpected(errorPos); + } } } return this.finishNode(node, "ImportExpression") }; -pp$4.parseImportMeta = function(node) { +pp$5.parseImportMeta = function(node) { this.next(); // skip `.` var containsEsc = this.containsEsc; @@ -2890,7 +3088,7 @@ pp$4.parseImportMeta = function(node) { return this.finishNode(node, "MetaProperty") }; -pp$4.parseLiteral = function(value) { +pp$5.parseLiteral = function(value) { var node = this.startNode(); node.value = value; node.raw = this.input.slice(this.start, this.end); @@ -2899,14 +3097,18 @@ pp$4.parseLiteral = function(value) { return this.finishNode(node, "Literal") }; -pp$4.parseParenExpression = function() { - this.expect(types.parenL); +pp$5.parseParenExpression = function() { + this.expect(types$1.parenL); var val = this.parseExpression(); - this.expect(types.parenR); + this.expect(types$1.parenR); return val }; -pp$4.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { +pp$5.shouldParseArrow = function(exprList) { + return !this.canInsertSemicolon() +}; + +pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; if (this.options.ecmaVersion >= 6) { this.next(); @@ -2917,24 +3119,29 @@ pp$4.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { this.yieldPos = 0; this.awaitPos = 0; // Do not save awaitIdentPos to allow checking awaits nested in parameters - while (this.type !== types.parenR) { - first ? first = false : this.expect(types.comma); - if (allowTrailingComma && this.afterTrailingComma(types.parenR, true)) { + while (this.type !== types$1.parenR) { + first ? first = false : this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(types$1.parenR, true)) { lastIsComma = true; break - } else if (this.type === types.ellipsis) { + } else if (this.type === types$1.ellipsis) { spreadStart = this.start; exprList.push(this.parseParenItem(this.parseRestBinding())); - if (this.type === types.comma) { this.raise(this.start, "Comma is not permitted after the rest element"); } + if (this.type === types$1.comma) { + this.raiseRecoverable( + this.start, + "Comma is not permitted after the rest element" + ); + } break } else { exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); } } var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; - this.expect(types.parenR); + this.expect(types$1.parenR); - if (canBeArrow && !this.canInsertSemicolon() && this.eat(types.arrow)) { + if (canBeArrow && this.shouldParseArrow(exprList) && this.eat(types$1.arrow)) { this.checkPatternErrors(refDestructuringErrors, false); this.checkYieldAwaitInDefaultParams(); this.yieldPos = oldYieldPos; @@ -2968,12 +3175,12 @@ pp$4.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { } }; -pp$4.parseParenItem = function(item) { +pp$5.parseParenItem = function(item) { return item }; -pp$4.parseParenArrowList = function(startPos, startLoc, exprList, forInit) { - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, forInit) +pp$5.parseParenArrowList = function(startPos, startLoc, exprList, forInit) { + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, false, forInit) }; // New's precedence is slightly tricky. It must allow its argument to @@ -2982,14 +3189,17 @@ pp$4.parseParenArrowList = function(startPos, startLoc, exprList, forInit) { // argument to parseSubscripts to prevent it from consuming the // argument list. -var empty$1 = []; +var empty = []; -pp$4.parseNew = function() { +pp$5.parseNew = function() { if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword new"); } var node = this.startNode(); - var meta = this.parseIdent(true); - if (this.options.ecmaVersion >= 6 && this.eat(types.dot)) { - node.meta = meta; + this.next(); + if (this.options.ecmaVersion >= 6 && this.type === types$1.dot) { + var meta = this.startNodeAt(node.start, node.loc && node.loc.start); + meta.name = "new"; + node.meta = this.finishNode(meta, "Identifier"); + this.next(); var containsEsc = this.containsEsc; node.property = this.parseIdent(true); if (node.property.name !== "target") @@ -3000,28 +3210,25 @@ pp$4.parseNew = function() { { this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); } return this.finishNode(node, "MetaProperty") } - var startPos = this.start, startLoc = this.startLoc, isImport = this.type === types._import; - node.callee = this.parseSubscripts(this.parseExprAtom(), startPos, startLoc, true, false); - if (isImport && node.callee.type === "ImportExpression") { - this.raise(startPos, "Cannot use new with import()"); - } - if (this.eat(types.parenL)) { node.arguments = this.parseExprList(types.parenR, this.options.ecmaVersion >= 8, false); } - else { node.arguments = empty$1; } + var startPos = this.start, startLoc = this.startLoc; + node.callee = this.parseSubscripts(this.parseExprAtom(null, false, true), startPos, startLoc, true, false); + if (this.eat(types$1.parenL)) { node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); } + else { node.arguments = empty; } return this.finishNode(node, "NewExpression") }; // Parse template expression. -pp$4.parseTemplateElement = function(ref) { +pp$5.parseTemplateElement = function(ref) { var isTagged = ref.isTagged; var elem = this.startNode(); - if (this.type === types.invalidTemplate) { + if (this.type === types$1.invalidTemplate) { if (!isTagged) { this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); } elem.value = { - raw: this.value, + raw: this.value.replace(/\r\n?/g, "\n"), cooked: null }; } else { @@ -3031,11 +3238,11 @@ pp$4.parseTemplateElement = function(ref) { }; } this.next(); - elem.tail = this.type === types.backQuote; + elem.tail = this.type === types$1.backQuote; return this.finishNode(elem, "TemplateElement") }; -pp$4.parseTemplate = function(ref) { +pp$5.parseTemplate = function(ref) { if ( ref === void 0 ) ref = {}; var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false; @@ -3045,32 +3252,32 @@ pp$4.parseTemplate = function(ref) { var curElt = this.parseTemplateElement({isTagged: isTagged}); node.quasis = [curElt]; while (!curElt.tail) { - if (this.type === types.eof) { this.raise(this.pos, "Unterminated template literal"); } - this.expect(types.dollarBraceL); + if (this.type === types$1.eof) { this.raise(this.pos, "Unterminated template literal"); } + this.expect(types$1.dollarBraceL); node.expressions.push(this.parseExpression()); - this.expect(types.braceR); + this.expect(types$1.braceR); node.quasis.push(curElt = this.parseTemplateElement({isTagged: isTagged})); } this.next(); return this.finishNode(node, "TemplateLiteral") }; -pp$4.isAsyncProp = function(prop) { +pp$5.isAsyncProp = function(prop) { return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && - (this.type === types.name || this.type === types.num || this.type === types.string || this.type === types.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types.star)) && + (this.type === types$1.name || this.type === types$1.num || this.type === types$1.string || this.type === types$1.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types$1.star)) && !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) }; // Parse an object literal or binding pattern. -pp$4.parseObj = function(isPattern, refDestructuringErrors) { +pp$5.parseObj = function(isPattern, refDestructuringErrors) { var node = this.startNode(), first = true, propHash = {}; node.properties = []; this.next(); - while (!this.eat(types.braceR)) { + while (!this.eat(types$1.braceR)) { if (!first) { - this.expect(types.comma); - if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types.braceR)) { break } + this.expect(types$1.comma); + if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types$1.braceR)) { break } } else { first = false; } var prop = this.parseProperty(isPattern, refDestructuringErrors); @@ -3080,29 +3287,20 @@ pp$4.parseObj = function(isPattern, refDestructuringErrors) { return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") }; -pp$4.parseProperty = function(isPattern, refDestructuringErrors) { +pp$5.parseProperty = function(isPattern, refDestructuringErrors) { var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; - if (this.options.ecmaVersion >= 9 && this.eat(types.ellipsis)) { + if (this.options.ecmaVersion >= 9 && this.eat(types$1.ellipsis)) { if (isPattern) { prop.argument = this.parseIdent(false); - if (this.type === types.comma) { - this.raise(this.start, "Comma is not permitted after the rest element"); + if (this.type === types$1.comma) { + this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } return this.finishNode(prop, "RestElement") } - // To disallow parenthesized identifier via `this.toAssignable()`. - if (this.type === types.parenL && refDestructuringErrors) { - if (refDestructuringErrors.parenthesizedAssign < 0) { - refDestructuringErrors.parenthesizedAssign = this.start; - } - if (refDestructuringErrors.parenthesizedBind < 0) { - refDestructuringErrors.parenthesizedBind = this.start; - } - } // Parse argument. prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); // To disallow trailing comma via `this.toAssignable()`. - if (this.type === types.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { + if (this.type === types$1.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { refDestructuringErrors.trailingComma = this.start; } // Finish @@ -3116,14 +3314,14 @@ pp$4.parseProperty = function(isPattern, refDestructuringErrors) { startLoc = this.startLoc; } if (!isPattern) - { isGenerator = this.eat(types.star); } + { isGenerator = this.eat(types$1.star); } } var containsEsc = this.containsEsc; this.parsePropertyName(prop); if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { isAsync = true; - isGenerator = this.options.ecmaVersion >= 9 && this.eat(types.star); - this.parsePropertyName(prop, refDestructuringErrors); + isGenerator = this.options.ecmaVersion >= 9 && this.eat(types$1.star); + this.parsePropertyName(prop); } else { isAsync = false; } @@ -3131,14 +3329,31 @@ pp$4.parseProperty = function(isPattern, refDestructuringErrors) { return this.finishNode(prop, "Property") }; -pp$4.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { - if ((isGenerator || isAsync) && this.type === types.colon) +pp$5.parseGetterSetter = function(prop) { + prop.kind = prop.key.name; + this.parsePropertyName(prop); + prop.value = this.parseMethod(false); + var paramCount = prop.kind === "get" ? 0 : 1; + if (prop.value.params.length !== paramCount) { + var start = prop.value.start; + if (prop.kind === "get") + { this.raiseRecoverable(start, "getter should have no params"); } + else + { this.raiseRecoverable(start, "setter should have exactly one param"); } + } else { + if (prop.kind === "set" && prop.value.params[0].type === "RestElement") + { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } + } +}; + +pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { + if ((isGenerator || isAsync) && this.type === types$1.colon) { this.unexpected(); } - if (this.eat(types.colon)) { + if (this.eat(types$1.colon)) { prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); prop.kind = "init"; - } else if (this.options.ecmaVersion >= 6 && this.type === types.parenL) { + } else if (this.options.ecmaVersion >= 6 && this.type === types$1.parenL) { if (isPattern) { this.unexpected(); } prop.kind = "init"; prop.method = true; @@ -3146,22 +3361,9 @@ pp$4.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startP } else if (!isPattern && !containsEsc && this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && (prop.key.name === "get" || prop.key.name === "set") && - (this.type !== types.comma && this.type !== types.braceR && this.type !== types.eq)) { + (this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq)) { if (isGenerator || isAsync) { this.unexpected(); } - prop.kind = prop.key.name; - this.parsePropertyName(prop); - prop.value = this.parseMethod(false); - var paramCount = prop.kind === "get" ? 0 : 1; - if (prop.value.params.length !== paramCount) { - var start = prop.value.start; - if (prop.kind === "get") - { this.raiseRecoverable(start, "getter should have no params"); } - else - { this.raiseRecoverable(start, "setter should have exactly one param"); } - } else { - if (prop.kind === "set" && prop.value.params[0].type === "RestElement") - { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } - } + this.parseGetterSetter(prop); } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { if (isGenerator || isAsync) { this.unexpected(); } this.checkUnreserved(prop.key); @@ -3170,7 +3372,7 @@ pp$4.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startP prop.kind = "init"; if (isPattern) { prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); - } else if (this.type === types.eq && refDestructuringErrors) { + } else if (this.type === types$1.eq && refDestructuringErrors) { if (refDestructuringErrors.shorthandAssign < 0) { refDestructuringErrors.shorthandAssign = this.start; } prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); @@ -3181,23 +3383,23 @@ pp$4.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startP } else { this.unexpected(); } }; -pp$4.parsePropertyName = function(prop) { +pp$5.parsePropertyName = function(prop) { if (this.options.ecmaVersion >= 6) { - if (this.eat(types.bracketL)) { + if (this.eat(types$1.bracketL)) { prop.computed = true; prop.key = this.parseMaybeAssign(); - this.expect(types.bracketR); + this.expect(types$1.bracketR); return prop.key } else { prop.computed = false; } } - return prop.key = this.type === types.num || this.type === types.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") + return prop.key = this.type === types$1.num || this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") }; // Initialize empty function node. -pp$4.initFunction = function(node) { +pp$5.initFunction = function(node) { node.id = null; if (this.options.ecmaVersion >= 6) { node.generator = node.expression = false; } if (this.options.ecmaVersion >= 8) { node.async = false; } @@ -3205,7 +3407,7 @@ pp$4.initFunction = function(node) { // Parse object or class method. -pp$4.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { +pp$5.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.initFunction(node); @@ -3219,8 +3421,8 @@ pp$4.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { this.awaitIdentPos = 0; this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); - this.expect(types.parenL); - node.params = this.parseBindingList(types.parenR, false, this.options.ecmaVersion >= 8); + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); this.checkYieldAwaitInDefaultParams(); this.parseFunctionBody(node, false, true, false); @@ -3232,7 +3434,7 @@ pp$4.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { // Parse arrow function expression with given parameters. -pp$4.parseArrowExpression = function(node, params, isAsync, forInit) { +pp$5.parseArrowExpression = function(node, params, isAsync, forInit) { var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); @@ -3254,8 +3456,8 @@ pp$4.parseArrowExpression = function(node, params, isAsync, forInit) { // Parse function body and check parameters. -pp$4.parseFunctionBody = function(node, isArrowFunction, isMethod, forInit) { - var isExpression = isArrowFunction && this.type !== types.braceL; +pp$5.parseFunctionBody = function(node, isArrowFunction, isMethod, forInit) { + var isExpression = isArrowFunction && this.type !== types$1.braceL; var oldStrict = this.strict, useStrict = false; if (isExpression) { @@ -3291,7 +3493,7 @@ pp$4.parseFunctionBody = function(node, isArrowFunction, isMethod, forInit) { this.exitScope(); }; -pp$4.isSimpleParamList = function(params) { +pp$5.isSimpleParamList = function(params) { for (var i = 0, list = params; i < list.length; i += 1) { var param = list[i]; @@ -3304,7 +3506,7 @@ pp$4.isSimpleParamList = function(params) { // Checks function params for various disallowed patterns such as using "eval" // or "arguments" and duplicate parameters. -pp$4.checkParams = function(node, allowDuplicates) { +pp$5.checkParams = function(node, allowDuplicates) { var nameHash = Object.create(null); for (var i = 0, list = node.params; i < list.length; i += 1) { @@ -3320,20 +3522,20 @@ pp$4.checkParams = function(node, allowDuplicates) { // nothing in between them to be parsed as `null` (which is needed // for array literals). -pp$4.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { +pp$5.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { var elts = [], first = true; while (!this.eat(close)) { if (!first) { - this.expect(types.comma); + this.expect(types$1.comma); if (allowTrailingComma && this.afterTrailingComma(close)) { break } } else { first = false; } var elt = (void 0); - if (allowEmpty && this.type === types.comma) + if (allowEmpty && this.type === types$1.comma) { elt = null; } - else if (this.type === types.ellipsis) { + else if (this.type === types$1.ellipsis) { elt = this.parseSpread(refDestructuringErrors); - if (refDestructuringErrors && this.type === types.comma && refDestructuringErrors.trailingComma < 0) + if (refDestructuringErrors && this.type === types$1.comma && refDestructuringErrors.trailingComma < 0) { refDestructuringErrors.trailingComma = this.start; } } else { elt = this.parseMaybeAssign(false, refDestructuringErrors); @@ -3343,7 +3545,7 @@ pp$4.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestruct return elts }; -pp$4.checkUnreserved = function(ref) { +pp$5.checkUnreserved = function(ref) { var start = ref.start; var end = ref.end; var name = ref.name; @@ -3372,9 +3574,21 @@ pp$4.checkUnreserved = function(ref) { // when parsing properties), it will also convert keywords into // identifiers. -pp$4.parseIdent = function(liberal, isBinding) { +pp$5.parseIdent = function(liberal) { + var node = this.parseIdentNode(); + this.next(!!liberal); + this.finishNode(node, "Identifier"); + if (!liberal) { + this.checkUnreserved(node); + if (node.name === "await" && !this.awaitIdentPos) + { this.awaitIdentPos = node.start; } + } + return node +}; + +pp$5.parseIdentNode = function() { var node = this.startNode(); - if (this.type === types.name) { + if (this.type === types$1.name) { node.name = this.value; } else if (this.type.keyword) { node.name = this.type.keyword; @@ -3384,25 +3598,19 @@ pp$4.parseIdent = function(liberal, isBinding) { // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword if ((node.name === "class" || node.name === "function") && - (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { + (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { this.context.pop(); } + this.type = types$1.name; } else { this.unexpected(); } - this.next(!!liberal); - this.finishNode(node, "Identifier"); - if (!liberal) { - this.checkUnreserved(node); - if (node.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = node.start; } - } return node }; -pp$4.parsePrivateIdent = function() { +pp$5.parsePrivateIdent = function() { var node = this.startNode(); - if (this.type === types.privateId) { + if (this.type === types$1.privateId) { node.name = this.value; } else { this.unexpected(); @@ -3411,10 +3619,12 @@ pp$4.parsePrivateIdent = function() { this.finishNode(node, "PrivateIdentifier"); // For validating existence - if (this.privateNameStack.length === 0) { - this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class")); - } else { - this.privateNameStack[this.privateNameStack.length - 1].used.push(node); + if (this.options.checkPrivateFields) { + if (this.privateNameStack.length === 0) { + this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class")); + } else { + this.privateNameStack[this.privateNameStack.length - 1].used.push(node); + } } return node @@ -3422,22 +3632,22 @@ pp$4.parsePrivateIdent = function() { // Parses yield expression inside generator. -pp$4.parseYield = function(forInit) { +pp$5.parseYield = function(forInit) { if (!this.yieldPos) { this.yieldPos = this.start; } var node = this.startNode(); this.next(); - if (this.type === types.semi || this.canInsertSemicolon() || (this.type !== types.star && !this.type.startsExpr)) { + if (this.type === types$1.semi || this.canInsertSemicolon() || (this.type !== types$1.star && !this.type.startsExpr)) { node.delegate = false; node.argument = null; } else { - node.delegate = this.eat(types.star); + node.delegate = this.eat(types$1.star); node.argument = this.parseMaybeAssign(forInit); } return this.finishNode(node, "YieldExpression") }; -pp$4.parseAwait = function(forInit) { +pp$5.parseAwait = function(forInit) { if (!this.awaitPos) { this.awaitPos = this.start; } var node = this.startNode(); @@ -3446,7 +3656,7 @@ pp$4.parseAwait = function(forInit) { return this.finishNode(node, "AwaitExpression") }; -var pp$5 = Parser.prototype; +var pp$4 = Parser.prototype; // This function is used to raise exceptions on parse errors. It // takes an offset integer (into the current `input`) to indicate @@ -3454,7 +3664,7 @@ var pp$5 = Parser.prototype; // of the error message, and then raises a `SyntaxError` with that // message. -pp$5.raise = function(pos, message) { +pp$4.raise = function(pos, message) { var loc = getLineInfo(this.input, pos); message += " (" + loc.line + ":" + loc.column + ")"; var err = new SyntaxError(message); @@ -3462,15 +3672,15 @@ pp$5.raise = function(pos, message) { throw err }; -pp$5.raiseRecoverable = pp$5.raise; +pp$4.raiseRecoverable = pp$4.raise; -pp$5.curPosition = function() { +pp$4.curPosition = function() { if (this.options.locations) { return new Position(this.curLine, this.pos - this.lineStart) } }; -var pp$6 = Parser.prototype; +var pp$3 = Parser.prototype; var Scope = function Scope(flags) { this.flags = flags; @@ -3486,22 +3696,22 @@ var Scope = function Scope(flags) { // The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names. -pp$6.enterScope = function(flags) { +pp$3.enterScope = function(flags) { this.scopeStack.push(new Scope(flags)); }; -pp$6.exitScope = function() { +pp$3.exitScope = function() { this.scopeStack.pop(); }; // The spec says: // > At the top level of a function, or script, function declarations are // > treated like var declarations rather than like lexical declarations. -pp$6.treatFunctionsAsVarInScope = function(scope) { +pp$3.treatFunctionsAsVarInScope = function(scope) { return (scope.flags & SCOPE_FUNCTION) || !this.inModule && (scope.flags & SCOPE_TOP) }; -pp$6.declareName = function(name, bindingType, pos) { +pp$3.declareName = function(name, bindingType, pos) { var redeclared = false; if (bindingType === BIND_LEXICAL) { var scope = this.currentScope(); @@ -3536,7 +3746,7 @@ pp$6.declareName = function(name, bindingType, pos) { if (redeclared) { this.raiseRecoverable(pos, ("Identifier '" + name + "' has already been declared")); } }; -pp$6.checkLocalExport = function(id) { +pp$3.checkLocalExport = function(id) { // scope.functions must be empty as Module code is always strict. if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && this.scopeStack[0].var.indexOf(id.name) === -1) { @@ -3544,11 +3754,11 @@ pp$6.checkLocalExport = function(id) { } }; -pp$6.currentScope = function() { +pp$3.currentScope = function() { return this.scopeStack[this.scopeStack.length - 1] }; -pp$6.currentVarScope = function() { +pp$3.currentVarScope = function() { for (var i = this.scopeStack.length - 1;; i--) { var scope = this.scopeStack[i]; if (scope.flags & SCOPE_VAR) { return scope } @@ -3556,7 +3766,7 @@ pp$6.currentVarScope = function() { }; // Could be useful for `this`, `new.target`, `super()`, `super.property`, and `super[property]`. -pp$6.currentThisScope = function() { +pp$3.currentThisScope = function() { for (var i = this.scopeStack.length - 1;; i--) { var scope = this.scopeStack[i]; if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) { return scope } @@ -3577,13 +3787,13 @@ var Node = function Node(parser, pos, loc) { // Start an AST node, attaching a start offset. -var pp$7 = Parser.prototype; +var pp$2 = Parser.prototype; -pp$7.startNode = function() { +pp$2.startNode = function() { return new Node(this, this.start, this.startLoc) }; -pp$7.startNodeAt = function(pos, loc) { +pp$2.startNodeAt = function(pos, loc) { return new Node(this, pos, loc) }; @@ -3599,24 +3809,27 @@ function finishNodeAt(node, type, pos, loc) { return node } -pp$7.finishNode = function(node, type) { +pp$2.finishNode = function(node, type) { return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) }; // Finish node at given position -pp$7.finishNodeAt = function(node, type, pos, loc) { +pp$2.finishNodeAt = function(node, type, pos, loc) { return finishNodeAt.call(this, node, type, pos, loc) }; -pp$7.copyNode = function(node) { +pp$2.copyNode = function(node) { var newNode = new Node(this, node.start, this.startLoc); for (var prop in node) { newNode[prop] = node[prop]; } return newNode }; -// This file contains Unicode properties extracted from the ECMAScript -// specification. The lists are extracted like so: +// This file was generated by "bin/generate-unicode-script-values.js". Do not modify manually! +var scriptValuesAddedInUnicode = "Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sunu Sunuwar Todhri Todr Tulu_Tigalari Tutg Unknown Zzzz"; + +// This file contains Unicode properties extracted from the ECMAScript specification. +// The lists are extracted like so: // $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText) // #table-binary-unicode-properties @@ -3624,32 +3837,55 @@ var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Ass var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"; var ecma11BinaryProperties = ecma10BinaryProperties; var ecma12BinaryProperties = ecma11BinaryProperties + " EBase EComp EMod EPres ExtPict"; +var ecma13BinaryProperties = ecma12BinaryProperties; +var ecma14BinaryProperties = ecma13BinaryProperties; + var unicodeBinaryProperties = { 9: ecma9BinaryProperties, 10: ecma10BinaryProperties, 11: ecma11BinaryProperties, - 12: ecma12BinaryProperties + 12: ecma12BinaryProperties, + 13: ecma13BinaryProperties, + 14: ecma14BinaryProperties +}; + +// #table-binary-unicode-properties-of-strings +var ecma14BinaryPropertiesOfStrings = "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Flag_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence RGI_Emoji"; + +var unicodeBinaryPropertiesOfStrings = { + 9: "", + 10: "", + 11: "", + 12: "", + 13: "", + 14: ecma14BinaryPropertiesOfStrings }; // #table-unicode-general-category-values var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; // #table-unicode-script-values -var ecma9ScriptValues = "Adlam Adlm Ahom Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; +var ecma9ScriptValues = "Adlam Adlm Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd"; var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; var ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"; +var ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"; +var ecma14ScriptValues = ecma13ScriptValues + " " + scriptValuesAddedInUnicode; + var unicodeScriptValues = { 9: ecma9ScriptValues, 10: ecma10ScriptValues, 11: ecma11ScriptValues, - 12: ecma12ScriptValues + 12: ecma12ScriptValues, + 13: ecma13ScriptValues, + 14: ecma14ScriptValues }; var data = {}; function buildUnicodeData(ecmaVersion) { var d = data[ecmaVersion] = { binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), + binaryOfStrings: wordsRegexp(unicodeBinaryPropertiesOfStrings[ecmaVersion]), nonBinary: { General_Category: wordsRegexp(unicodeGeneralCategoryValues), Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) @@ -3661,21 +3897,48 @@ function buildUnicodeData(ecmaVersion) { d.nonBinary.sc = d.nonBinary.Script; d.nonBinary.scx = d.nonBinary.Script_Extensions; } -buildUnicodeData(9); -buildUnicodeData(10); -buildUnicodeData(11); -buildUnicodeData(12); -var pp$8 = Parser.prototype; +for (var i = 0, list = [9, 10, 11, 12, 13, 14]; i < list.length; i += 1) { + var ecmaVersion = list[i]; + + buildUnicodeData(ecmaVersion); +} + +var pp$1 = Parser.prototype; + +// Track disjunction structure to determine whether a duplicate +// capture group name is allowed because it is in a separate branch. +var BranchID = function BranchID(parent, base) { + // Parent disjunction branch + this.parent = parent; + // Identifies this set of sibling branches + this.base = base || this; +}; + +BranchID.prototype.separatedFrom = function separatedFrom (alt) { + // A branch is separate from another branch if they or any of + // their parents are siblings in a given disjunction + for (var self = this; self; self = self.parent) { + for (var other = alt; other; other = other.parent) { + if (self.base === other.base && self !== other) { return true } + } + } + return false +}; + +BranchID.prototype.sibling = function sibling () { + return new BranchID(this.parent, this.base) +}; var RegExpValidationState = function RegExpValidationState(parser) { this.parser = parser; - this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : ""); - this.unicodeProperties = data[parser.options.ecmaVersion >= 12 ? 12 : parser.options.ecmaVersion]; + this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : "") + (parser.options.ecmaVersion >= 15 ? "v" : ""); + this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; this.source = ""; this.flags = ""; this.start = 0; this.switchU = false; + this.switchV = false; this.switchN = false; this.pos = 0; this.lastIntValue = 0; @@ -3683,17 +3946,26 @@ var RegExpValidationState = function RegExpValidationState(parser) { this.lastAssertionIsQuantifiable = false; this.numCapturingParens = 0; this.maxBackReference = 0; - this.groupNames = []; + this.groupNames = Object.create(null); this.backReferenceNames = []; + this.branchID = null; }; RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { + var unicodeSets = flags.indexOf("v") !== -1; var unicode = flags.indexOf("u") !== -1; this.start = start | 0; this.source = pattern + ""; this.flags = flags; - this.switchU = unicode && this.parser.options.ecmaVersion >= 6; - this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + if (unicodeSets && this.parser.options.ecmaVersion >= 15) { + this.switchU = true; + this.switchV = true; + this.switchN = true; + } else { + this.switchU = unicode && this.parser.options.ecmaVersion >= 6; + this.switchV = false; + this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + } }; RegExpValidationState.prototype.raise = function raise (message) { @@ -3762,11 +4034,22 @@ RegExpValidationState.prototype.eat = function eat (ch, forceU) { return false }; -function codePointToString(ch) { - if (ch <= 0xFFFF) { return String.fromCharCode(ch) } - ch -= 0x10000; - return String.fromCharCode((ch >> 10) + 0xD800, (ch & 0x03FF) + 0xDC00) -} +RegExpValidationState.prototype.eatChars = function eatChars (chs, forceU) { + if ( forceU === void 0 ) forceU = false; + + var pos = this.pos; + for (var i = 0, list = chs; i < list.length; i += 1) { + var ch = list[i]; + + var current = this.at(pos, forceU); + if (current === -1 || current !== ch) { + return false + } + pos = this.nextIndex(pos, forceU); + } + this.pos = pos; + return true +}; /** * Validate the flags part of a given RegExpLiteral. @@ -3774,10 +4057,13 @@ function codePointToString(ch) { * @param {RegExpValidationState} state The state to validate RegExp. * @returns {void} */ -pp$8.validateRegExpFlags = function(state) { +pp$1.validateRegExpFlags = function(state) { var validFlags = state.validFlags; var flags = state.flags; + var u = false; + var v = false; + for (var i = 0; i < flags.length; i++) { var flag = flags.charAt(i); if (validFlags.indexOf(flag) === -1) { @@ -3786,16 +4072,26 @@ pp$8.validateRegExpFlags = function(state) { if (flags.indexOf(flag, i + 1) > -1) { this.raise(state.start, "Duplicate regular expression flag"); } + if (flag === "u") { u = true; } + if (flag === "v") { v = true; } + } + if (this.options.ecmaVersion >= 15 && u && v) { + this.raise(state.start, "Invalid regular expression flag"); } }; +function hasProp(obj) { + for (var _ in obj) { return true } + return false +} + /** * Validate the pattern part of a given RegExpLiteral. * * @param {RegExpValidationState} state The state to validate RegExp. * @returns {void} */ -pp$8.validateRegExpPattern = function(state) { +pp$1.validateRegExpPattern = function(state) { this.regexp_pattern(state); // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of @@ -3803,22 +4099,23 @@ pp$8.validateRegExpPattern = function(state) { // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError* // exception if _P_ did not conform to the grammar, if any elements of _P_ // were not matched by the parse, or if any Early Error conditions exist. - if (!state.switchN && this.options.ecmaVersion >= 9 && state.groupNames.length > 0) { + if (!state.switchN && this.options.ecmaVersion >= 9 && hasProp(state.groupNames)) { state.switchN = true; this.regexp_pattern(state); } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern -pp$8.regexp_pattern = function(state) { +pp$1.regexp_pattern = function(state) { state.pos = 0; state.lastIntValue = 0; state.lastStringValue = ""; state.lastAssertionIsQuantifiable = false; state.numCapturingParens = 0; state.maxBackReference = 0; - state.groupNames.length = 0; + state.groupNames = Object.create(null); state.backReferenceNames.length = 0; + state.branchID = null; this.regexp_disjunction(state); @@ -3837,18 +4134,22 @@ pp$8.regexp_pattern = function(state) { for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) { var name = list[i]; - if (state.groupNames.indexOf(name) === -1) { + if (!state.groupNames[name]) { state.raise("Invalid named capture referenced"); } } }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction -pp$8.regexp_disjunction = function(state) { +pp$1.regexp_disjunction = function(state) { + var trackDisjunction = this.options.ecmaVersion >= 16; + if (trackDisjunction) { state.branchID = new BranchID(state.branchID, null); } this.regexp_alternative(state); while (state.eat(0x7C /* | */)) { + if (trackDisjunction) { state.branchID = state.branchID.sibling(); } this.regexp_alternative(state); } + if (trackDisjunction) { state.branchID = state.branchID.parent; } // Make the same message as V8. if (this.regexp_eatQuantifier(state, true)) { @@ -3860,13 +4161,12 @@ pp$8.regexp_disjunction = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative -pp$8.regexp_alternative = function(state) { - while (state.pos < state.source.length && this.regexp_eatTerm(state)) - { } +pp$1.regexp_alternative = function(state) { + while (state.pos < state.source.length && this.regexp_eatTerm(state)) {} }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term -pp$8.regexp_eatTerm = function(state) { +pp$1.regexp_eatTerm = function(state) { if (this.regexp_eatAssertion(state)) { // Handle `QuantifiableAssertion Quantifier` alternative. // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion @@ -3889,7 +4189,7 @@ pp$8.regexp_eatTerm = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion -pp$8.regexp_eatAssertion = function(state) { +pp$1.regexp_eatAssertion = function(state) { var start = state.pos; state.lastAssertionIsQuantifiable = false; @@ -3927,7 +4227,7 @@ pp$8.regexp_eatAssertion = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier -pp$8.regexp_eatQuantifier = function(state, noError) { +pp$1.regexp_eatQuantifier = function(state, noError) { if ( noError === void 0 ) noError = false; if (this.regexp_eatQuantifierPrefix(state, noError)) { @@ -3938,7 +4238,7 @@ pp$8.regexp_eatQuantifier = function(state, noError) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix -pp$8.regexp_eatQuantifierPrefix = function(state, noError) { +pp$1.regexp_eatQuantifierPrefix = function(state, noError) { return ( state.eat(0x2A /* * */) || state.eat(0x2B /* + */) || @@ -3946,7 +4246,7 @@ pp$8.regexp_eatQuantifierPrefix = function(state, noError) { this.regexp_eatBracedQuantifier(state, noError) ) }; -pp$8.regexp_eatBracedQuantifier = function(state, noError) { +pp$1.regexp_eatBracedQuantifier = function(state, noError) { var start = state.pos; if (state.eat(0x7B /* { */)) { var min = 0, max = -1; @@ -3972,7 +4272,7 @@ pp$8.regexp_eatBracedQuantifier = function(state, noError) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-Atom -pp$8.regexp_eatAtom = function(state) { +pp$1.regexp_eatAtom = function(state) { return ( this.regexp_eatPatternCharacters(state) || state.eat(0x2E /* . */) || @@ -3982,7 +4282,7 @@ pp$8.regexp_eatAtom = function(state) { this.regexp_eatCapturingGroup(state) ) }; -pp$8.regexp_eatReverseSolidusAtomEscape = function(state) { +pp$1.regexp_eatReverseSolidusAtomEscape = function(state) { var start = state.pos; if (state.eat(0x5C /* \ */)) { if (this.regexp_eatAtomEscape(state)) { @@ -3992,21 +4292,50 @@ pp$8.regexp_eatReverseSolidusAtomEscape = function(state) { } return false }; -pp$8.regexp_eatUncapturingGroup = function(state) { +pp$1.regexp_eatUncapturingGroup = function(state) { var start = state.pos; if (state.eat(0x28 /* ( */)) { - if (state.eat(0x3F /* ? */) && state.eat(0x3A /* : */)) { - this.regexp_disjunction(state); - if (state.eat(0x29 /* ) */)) { - return true + if (state.eat(0x3F /* ? */)) { + if (this.options.ecmaVersion >= 16) { + var addModifiers = this.regexp_eatModifiers(state); + var hasHyphen = state.eat(0x2D /* - */); + if (addModifiers || hasHyphen) { + for (var i = 0; i < addModifiers.length; i++) { + var modifier = addModifiers.charAt(i); + if (addModifiers.indexOf(modifier, i + 1) > -1) { + state.raise("Duplicate regular expression modifiers"); + } + } + if (hasHyphen) { + var removeModifiers = this.regexp_eatModifiers(state); + if (!addModifiers && !removeModifiers && state.current() === 0x3A /* : */) { + state.raise("Invalid regular expression modifiers"); + } + for (var i$1 = 0; i$1 < removeModifiers.length; i$1++) { + var modifier$1 = removeModifiers.charAt(i$1); + if ( + removeModifiers.indexOf(modifier$1, i$1 + 1) > -1 || + addModifiers.indexOf(modifier$1) > -1 + ) { + state.raise("Duplicate regular expression modifiers"); + } + } + } + } + } + if (state.eat(0x3A /* : */)) { + this.regexp_disjunction(state); + if (state.eat(0x29 /* ) */)) { + return true + } + state.raise("Unterminated group"); } - state.raise("Unterminated group"); } state.pos = start; } return false }; -pp$8.regexp_eatCapturingGroup = function(state) { +pp$1.regexp_eatCapturingGroup = function(state) { if (state.eat(0x28 /* ( */)) { if (this.options.ecmaVersion >= 9) { this.regexp_groupSpecifier(state); @@ -4022,9 +4351,26 @@ pp$8.regexp_eatCapturingGroup = function(state) { } return false }; +// RegularExpressionModifiers :: +// [empty] +// RegularExpressionModifiers RegularExpressionModifier +pp$1.regexp_eatModifiers = function(state) { + var modifiers = ""; + var ch = 0; + while ((ch = state.current()) !== -1 && isRegularExpressionModifier(ch)) { + modifiers += codePointToString(ch); + state.advance(); + } + return modifiers +}; +// RegularExpressionModifier :: one of +// `i` `m` `s` +function isRegularExpressionModifier(ch) { + return ch === 0x69 /* i */ || ch === 0x6d /* m */ || ch === 0x73 /* s */ +} // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom -pp$8.regexp_eatExtendedAtom = function(state) { +pp$1.regexp_eatExtendedAtom = function(state) { return ( state.eat(0x2E /* . */) || this.regexp_eatReverseSolidusAtomEscape(state) || @@ -4037,7 +4383,7 @@ pp$8.regexp_eatExtendedAtom = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier -pp$8.regexp_eatInvalidBracedQuantifier = function(state) { +pp$1.regexp_eatInvalidBracedQuantifier = function(state) { if (this.regexp_eatBracedQuantifier(state, true)) { state.raise("Nothing to repeat"); } @@ -4045,7 +4391,7 @@ pp$8.regexp_eatInvalidBracedQuantifier = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter -pp$8.regexp_eatSyntaxCharacter = function(state) { +pp$1.regexp_eatSyntaxCharacter = function(state) { var ch = state.current(); if (isSyntaxCharacter(ch)) { state.lastIntValue = ch; @@ -4067,7 +4413,7 @@ function isSyntaxCharacter(ch) { // https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter // But eat eager. -pp$8.regexp_eatPatternCharacters = function(state) { +pp$1.regexp_eatPatternCharacters = function(state) { var start = state.pos; var ch = 0; while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) { @@ -4077,7 +4423,7 @@ pp$8.regexp_eatPatternCharacters = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter -pp$8.regexp_eatExtendedPatternCharacter = function(state) { +pp$1.regexp_eatExtendedPatternCharacter = function(state) { var ch = state.current(); if ( ch !== -1 && @@ -4098,23 +4444,35 @@ pp$8.regexp_eatExtendedPatternCharacter = function(state) { // GroupSpecifier :: // [empty] // `?` GroupName -pp$8.regexp_groupSpecifier = function(state) { +pp$1.regexp_groupSpecifier = function(state) { if (state.eat(0x3F /* ? */)) { - if (this.regexp_eatGroupName(state)) { - if (state.groupNames.indexOf(state.lastStringValue) !== -1) { + if (!this.regexp_eatGroupName(state)) { state.raise("Invalid group"); } + var trackDisjunction = this.options.ecmaVersion >= 16; + var known = state.groupNames[state.lastStringValue]; + if (known) { + if (trackDisjunction) { + for (var i = 0, list = known; i < list.length; i += 1) { + var altID = list[i]; + + if (!altID.separatedFrom(state.branchID)) + { state.raise("Duplicate capture group name"); } + } + } else { state.raise("Duplicate capture group name"); } - state.groupNames.push(state.lastStringValue); - return } - state.raise("Invalid group"); + if (trackDisjunction) { + (known || (state.groupNames[state.lastStringValue] = [])).push(state.branchID); + } else { + state.groupNames[state.lastStringValue] = true; + } } }; // GroupName :: // `<` RegExpIdentifierName `>` // Note: this updates `state.lastStringValue` property with the eaten name. -pp$8.regexp_eatGroupName = function(state) { +pp$1.regexp_eatGroupName = function(state) { state.lastStringValue = ""; if (state.eat(0x3C /* < */)) { if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E /* > */)) { @@ -4129,7 +4487,7 @@ pp$8.regexp_eatGroupName = function(state) { // RegExpIdentifierStart // RegExpIdentifierName RegExpIdentifierPart // Note: this updates `state.lastStringValue` property with the eaten name. -pp$8.regexp_eatRegExpIdentifierName = function(state) { +pp$1.regexp_eatRegExpIdentifierName = function(state) { state.lastStringValue = ""; if (this.regexp_eatRegExpIdentifierStart(state)) { state.lastStringValue += codePointToString(state.lastIntValue); @@ -4146,7 +4504,7 @@ pp$8.regexp_eatRegExpIdentifierName = function(state) { // `$` // `_` // `\` RegExpUnicodeEscapeSequence[+U] -pp$8.regexp_eatRegExpIdentifierStart = function(state) { +pp$1.regexp_eatRegExpIdentifierStart = function(state) { var start = state.pos; var forceU = this.options.ecmaVersion >= 11; var ch = state.current(forceU); @@ -4174,7 +4532,7 @@ function isRegExpIdentifierStart(ch) { // `\` RegExpUnicodeEscapeSequence[+U] // // -pp$8.regexp_eatRegExpIdentifierPart = function(state) { +pp$1.regexp_eatRegExpIdentifierPart = function(state) { var start = state.pos; var forceU = this.options.ecmaVersion >= 11; var ch = state.current(forceU); @@ -4196,7 +4554,7 @@ function isRegExpIdentifierPart(ch) { } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape -pp$8.regexp_eatAtomEscape = function(state) { +pp$1.regexp_eatAtomEscape = function(state) { if ( this.regexp_eatBackReference(state) || this.regexp_eatCharacterClassEscape(state) || @@ -4214,7 +4572,7 @@ pp$8.regexp_eatAtomEscape = function(state) { } return false }; -pp$8.regexp_eatBackReference = function(state) { +pp$1.regexp_eatBackReference = function(state) { var start = state.pos; if (this.regexp_eatDecimalEscape(state)) { var n = state.lastIntValue; @@ -4232,7 +4590,7 @@ pp$8.regexp_eatBackReference = function(state) { } return false }; -pp$8.regexp_eatKGroupName = function(state) { +pp$1.regexp_eatKGroupName = function(state) { if (state.eat(0x6B /* k */)) { if (this.regexp_eatGroupName(state)) { state.backReferenceNames.push(state.lastStringValue); @@ -4244,7 +4602,7 @@ pp$8.regexp_eatKGroupName = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape -pp$8.regexp_eatCharacterEscape = function(state) { +pp$1.regexp_eatCharacterEscape = function(state) { return ( this.regexp_eatControlEscape(state) || this.regexp_eatCControlLetter(state) || @@ -4255,7 +4613,7 @@ pp$8.regexp_eatCharacterEscape = function(state) { this.regexp_eatIdentityEscape(state) ) }; -pp$8.regexp_eatCControlLetter = function(state) { +pp$1.regexp_eatCControlLetter = function(state) { var start = state.pos; if (state.eat(0x63 /* c */)) { if (this.regexp_eatControlLetter(state)) { @@ -4265,7 +4623,7 @@ pp$8.regexp_eatCControlLetter = function(state) { } return false }; -pp$8.regexp_eatZero = function(state) { +pp$1.regexp_eatZero = function(state) { if (state.current() === 0x30 /* 0 */ && !isDecimalDigit(state.lookahead())) { state.lastIntValue = 0; state.advance(); @@ -4275,7 +4633,7 @@ pp$8.regexp_eatZero = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape -pp$8.regexp_eatControlEscape = function(state) { +pp$1.regexp_eatControlEscape = function(state) { var ch = state.current(); if (ch === 0x74 /* t */) { state.lastIntValue = 0x09; /* \t */ @@ -4306,7 +4664,7 @@ pp$8.regexp_eatControlEscape = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter -pp$8.regexp_eatControlLetter = function(state) { +pp$1.regexp_eatControlLetter = function(state) { var ch = state.current(); if (isControlLetter(ch)) { state.lastIntValue = ch % 0x20; @@ -4323,7 +4681,7 @@ function isControlLetter(ch) { } // https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence -pp$8.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { +pp$1.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { if ( forceU === void 0 ) forceU = false; var start = state.pos; @@ -4368,7 +4726,7 @@ function isValidUnicode(ch) { } // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape -pp$8.regexp_eatIdentityEscape = function(state) { +pp$1.regexp_eatIdentityEscape = function(state) { if (state.switchU) { if (this.regexp_eatSyntaxCharacter(state)) { return true @@ -4391,7 +4749,7 @@ pp$8.regexp_eatIdentityEscape = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape -pp$8.regexp_eatDecimalEscape = function(state) { +pp$1.regexp_eatDecimalEscape = function(state) { state.lastIntValue = 0; var ch = state.current(); if (ch >= 0x31 /* 1 */ && ch <= 0x39 /* 9 */) { @@ -4404,35 +4762,45 @@ pp$8.regexp_eatDecimalEscape = function(state) { return false }; +// Return values used by character set parsing methods, needed to +// forbid negation of sets that can match strings. +var CharSetNone = 0; // Nothing parsed +var CharSetOk = 1; // Construct parsed, cannot contain strings +var CharSetString = 2; // Construct parsed, can contain strings + // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape -pp$8.regexp_eatCharacterClassEscape = function(state) { +pp$1.regexp_eatCharacterClassEscape = function(state) { var ch = state.current(); if (isCharacterClassEscape(ch)) { state.lastIntValue = -1; state.advance(); - return true + return CharSetOk } + var negate = false; if ( state.switchU && this.options.ecmaVersion >= 9 && - (ch === 0x50 /* P */ || ch === 0x70 /* p */) + ((negate = ch === 0x50 /* P */) || ch === 0x70 /* p */) ) { state.lastIntValue = -1; state.advance(); + var result; if ( state.eat(0x7B /* { */) && - this.regexp_eatUnicodePropertyValueExpression(state) && + (result = this.regexp_eatUnicodePropertyValueExpression(state)) && state.eat(0x7D /* } */) ) { - return true + if (negate && result === CharSetString) { state.raise("Invalid property name"); } + return result } state.raise("Invalid property name"); } - return false + return CharSetNone }; + function isCharacterClassEscape(ch) { return ( ch === 0x64 /* d */ || @@ -4447,7 +4815,7 @@ function isCharacterClassEscape(ch) { // UnicodePropertyValueExpression :: // UnicodePropertyName `=` UnicodePropertyValue // LoneUnicodePropertyNameOrValue -pp$8.regexp_eatUnicodePropertyValueExpression = function(state) { +pp$1.regexp_eatUnicodePropertyValueExpression = function(state) { var start = state.pos; // UnicodePropertyName `=` UnicodePropertyValue @@ -4456,7 +4824,7 @@ pp$8.regexp_eatUnicodePropertyValueExpression = function(state) { if (this.regexp_eatUnicodePropertyValue(state)) { var value = state.lastStringValue; this.regexp_validateUnicodePropertyNameAndValue(state, name, value); - return true + return CharSetOk } } state.pos = start; @@ -4464,25 +4832,27 @@ pp$8.regexp_eatUnicodePropertyValueExpression = function(state) { // LoneUnicodePropertyNameOrValue if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { var nameOrValue = state.lastStringValue; - this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); - return true + return this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue) } - return false + return CharSetNone }; -pp$8.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { - if (!has(state.unicodeProperties.nonBinary, name)) + +pp$1.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { + if (!hasOwn(state.unicodeProperties.nonBinary, name)) { state.raise("Invalid property name"); } if (!state.unicodeProperties.nonBinary[name].test(value)) { state.raise("Invalid property value"); } }; -pp$8.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { - if (!state.unicodeProperties.binary.test(nameOrValue)) - { state.raise("Invalid property name"); } + +pp$1.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { + if (state.unicodeProperties.binary.test(nameOrValue)) { return CharSetOk } + if (state.switchV && state.unicodeProperties.binaryOfStrings.test(nameOrValue)) { return CharSetString } + state.raise("Invalid property name"); }; // UnicodePropertyName :: // UnicodePropertyNameCharacters -pp$8.regexp_eatUnicodePropertyName = function(state) { +pp$1.regexp_eatUnicodePropertyName = function(state) { var ch = 0; state.lastStringValue = ""; while (isUnicodePropertyNameCharacter(ch = state.current())) { @@ -4491,13 +4861,14 @@ pp$8.regexp_eatUnicodePropertyName = function(state) { } return state.lastStringValue !== "" }; + function isUnicodePropertyNameCharacter(ch) { return isControlLetter(ch) || ch === 0x5F /* _ */ } // UnicodePropertyValue :: // UnicodePropertyValueCharacters -pp$8.regexp_eatUnicodePropertyValue = function(state) { +pp$1.regexp_eatUnicodePropertyValue = function(state) { var ch = 0; state.lastStringValue = ""; while (isUnicodePropertyValueCharacter(ch = state.current())) { @@ -4512,28 +4883,36 @@ function isUnicodePropertyValueCharacter(ch) { // LoneUnicodePropertyNameOrValue :: // UnicodePropertyValueCharacters -pp$8.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { +pp$1.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { return this.regexp_eatUnicodePropertyValue(state) }; // https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass -pp$8.regexp_eatCharacterClass = function(state) { +pp$1.regexp_eatCharacterClass = function(state) { if (state.eat(0x5B /* [ */)) { - state.eat(0x5E /* ^ */); - this.regexp_classRanges(state); - if (state.eat(0x5D /* ] */)) { - return true - } - // Unreachable since it threw "unterminated regular expression" error before. - state.raise("Unterminated character class"); + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (!state.eat(0x5D /* ] */)) + { state.raise("Unterminated character class"); } + if (negate && result === CharSetString) + { state.raise("Negated character class may contain strings"); } + return true } return false }; +// https://tc39.es/ecma262/#prod-ClassContents // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges +pp$1.regexp_classContents = function(state) { + if (state.current() === 0x5D /* ] */) { return CharSetOk } + if (state.switchV) { return this.regexp_classSetExpression(state) } + this.regexp_nonEmptyClassRanges(state); + return CharSetOk +}; + // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges // https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash -pp$8.regexp_classRanges = function(state) { +pp$1.regexp_nonEmptyClassRanges = function(state) { while (this.regexp_eatClassAtom(state)) { var left = state.lastIntValue; if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { @@ -4550,7 +4929,7 @@ pp$8.regexp_classRanges = function(state) { // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom // https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash -pp$8.regexp_eatClassAtom = function(state) { +pp$1.regexp_eatClassAtom = function(state) { var start = state.pos; if (state.eat(0x5C /* \ */)) { @@ -4579,7 +4958,7 @@ pp$8.regexp_eatClassAtom = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape -pp$8.regexp_eatClassEscape = function(state) { +pp$1.regexp_eatClassEscape = function(state) { var start = state.pos; if (state.eat(0x62 /* b */)) { @@ -4605,8 +4984,207 @@ pp$8.regexp_eatClassEscape = function(state) { ) }; +// https://tc39.es/ecma262/#prod-ClassSetExpression +// https://tc39.es/ecma262/#prod-ClassUnion +// https://tc39.es/ecma262/#prod-ClassIntersection +// https://tc39.es/ecma262/#prod-ClassSubtraction +pp$1.regexp_classSetExpression = function(state) { + var result = CharSetOk, subResult; + if (this.regexp_eatClassSetRange(state)) ; else if (subResult = this.regexp_eatClassSetOperand(state)) { + if (subResult === CharSetString) { result = CharSetString; } + // https://tc39.es/ecma262/#prod-ClassIntersection + var start = state.pos; + while (state.eatChars([0x26, 0x26] /* && */)) { + if ( + state.current() !== 0x26 /* & */ && + (subResult = this.regexp_eatClassSetOperand(state)) + ) { + if (subResult !== CharSetString) { result = CharSetOk; } + continue + } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + // https://tc39.es/ecma262/#prod-ClassSubtraction + while (state.eatChars([0x2D, 0x2D] /* -- */)) { + if (this.regexp_eatClassSetOperand(state)) { continue } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) { return result } + } else { + state.raise("Invalid character in character class"); + } + // https://tc39.es/ecma262/#prod-ClassUnion + for (;;) { + if (this.regexp_eatClassSetRange(state)) { continue } + subResult = this.regexp_eatClassSetOperand(state); + if (!subResult) { return result } + if (subResult === CharSetString) { result = CharSetString; } + } +}; + +// https://tc39.es/ecma262/#prod-ClassSetRange +pp$1.regexp_eatClassSetRange = function(state) { + var start = state.pos; + if (this.regexp_eatClassSetCharacter(state)) { + var left = state.lastIntValue; + if (state.eat(0x2D /* - */) && this.regexp_eatClassSetCharacter(state)) { + var right = state.lastIntValue; + if (left !== -1 && right !== -1 && left > right) { + state.raise("Range out of order in character class"); + } + return true + } + state.pos = start; + } + return false +}; + +// https://tc39.es/ecma262/#prod-ClassSetOperand +pp$1.regexp_eatClassSetOperand = function(state) { + if (this.regexp_eatClassSetCharacter(state)) { return CharSetOk } + return this.regexp_eatClassStringDisjunction(state) || this.regexp_eatNestedClass(state) +}; + +// https://tc39.es/ecma262/#prod-NestedClass +pp$1.regexp_eatNestedClass = function(state) { + var start = state.pos; + if (state.eat(0x5B /* [ */)) { + var negate = state.eat(0x5E /* ^ */); + var result = this.regexp_classContents(state); + if (state.eat(0x5D /* ] */)) { + if (negate && result === CharSetString) { + state.raise("Negated character class may contain strings"); + } + return result + } + state.pos = start; + } + if (state.eat(0x5C /* \ */)) { + var result$1 = this.regexp_eatCharacterClassEscape(state); + if (result$1) { + return result$1 + } + state.pos = start; + } + return null +}; + +// https://tc39.es/ecma262/#prod-ClassStringDisjunction +pp$1.regexp_eatClassStringDisjunction = function(state) { + var start = state.pos; + if (state.eatChars([0x5C, 0x71] /* \q */)) { + if (state.eat(0x7B /* { */)) { + var result = this.regexp_classStringDisjunctionContents(state); + if (state.eat(0x7D /* } */)) { + return result + } + } else { + // Make the same message as V8. + state.raise("Invalid escape"); + } + state.pos = start; + } + return null +}; + +// https://tc39.es/ecma262/#prod-ClassStringDisjunctionContents +pp$1.regexp_classStringDisjunctionContents = function(state) { + var result = this.regexp_classString(state); + while (state.eat(0x7C /* | */)) { + if (this.regexp_classString(state) === CharSetString) { result = CharSetString; } + } + return result +}; + +// https://tc39.es/ecma262/#prod-ClassString +// https://tc39.es/ecma262/#prod-NonEmptyClassString +pp$1.regexp_classString = function(state) { + var count = 0; + while (this.regexp_eatClassSetCharacter(state)) { count++; } + return count === 1 ? CharSetOk : CharSetString +}; + +// https://tc39.es/ecma262/#prod-ClassSetCharacter +pp$1.regexp_eatClassSetCharacter = function(state) { + var start = state.pos; + if (state.eat(0x5C /* \ */)) { + if ( + this.regexp_eatCharacterEscape(state) || + this.regexp_eatClassSetReservedPunctuator(state) + ) { + return true + } + if (state.eat(0x62 /* b */)) { + state.lastIntValue = 0x08; /* */ + return true + } + state.pos = start; + return false + } + var ch = state.current(); + if (ch < 0 || ch === state.lookahead() && isClassSetReservedDoublePunctuatorCharacter(ch)) { return false } + if (isClassSetSyntaxCharacter(ch)) { return false } + state.advance(); + state.lastIntValue = ch; + return true +}; + +// https://tc39.es/ecma262/#prod-ClassSetReservedDoublePunctuator +function isClassSetReservedDoublePunctuatorCharacter(ch) { + return ( + ch === 0x21 /* ! */ || + ch >= 0x23 /* # */ && ch <= 0x26 /* & */ || + ch >= 0x2A /* * */ && ch <= 0x2C /* , */ || + ch === 0x2E /* . */ || + ch >= 0x3A /* : */ && ch <= 0x40 /* @ */ || + ch === 0x5E /* ^ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) +} + +// https://tc39.es/ecma262/#prod-ClassSetSyntaxCharacter +function isClassSetSyntaxCharacter(ch) { + return ( + ch === 0x28 /* ( */ || + ch === 0x29 /* ) */ || + ch === 0x2D /* - */ || + ch === 0x2F /* / */ || + ch >= 0x5B /* [ */ && ch <= 0x5D /* ] */ || + ch >= 0x7B /* { */ && ch <= 0x7D /* } */ + ) +} + +// https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator +pp$1.regexp_eatClassSetReservedPunctuator = function(state) { + var ch = state.current(); + if (isClassSetReservedPunctuator(ch)) { + state.lastIntValue = ch; + state.advance(); + return true + } + return false +}; + +// https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator +function isClassSetReservedPunctuator(ch) { + return ( + ch === 0x21 /* ! */ || + ch === 0x23 /* # */ || + ch === 0x25 /* % */ || + ch === 0x26 /* & */ || + ch === 0x2C /* , */ || + ch === 0x2D /* - */ || + ch >= 0x3A /* : */ && ch <= 0x3E /* > */ || + ch === 0x40 /* @ */ || + ch === 0x60 /* ` */ || + ch === 0x7E /* ~ */ + ) +} + // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter -pp$8.regexp_eatClassControlLetter = function(state) { +pp$1.regexp_eatClassControlLetter = function(state) { var ch = state.current(); if (isDecimalDigit(ch) || ch === 0x5F /* _ */) { state.lastIntValue = ch % 0x20; @@ -4617,7 +5195,7 @@ pp$8.regexp_eatClassControlLetter = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence -pp$8.regexp_eatHexEscapeSequence = function(state) { +pp$1.regexp_eatHexEscapeSequence = function(state) { var start = state.pos; if (state.eat(0x78 /* x */)) { if (this.regexp_eatFixedHexDigits(state, 2)) { @@ -4632,7 +5210,7 @@ pp$8.regexp_eatHexEscapeSequence = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits -pp$8.regexp_eatDecimalDigits = function(state) { +pp$1.regexp_eatDecimalDigits = function(state) { var start = state.pos; var ch = 0; state.lastIntValue = 0; @@ -4647,7 +5225,7 @@ function isDecimalDigit(ch) { } // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits -pp$8.regexp_eatHexDigits = function(state) { +pp$1.regexp_eatHexDigits = function(state) { var start = state.pos; var ch = 0; state.lastIntValue = 0; @@ -4676,7 +5254,7 @@ function hexToInt(ch) { // https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence // Allows only 0-377(octal) i.e. 0-255(decimal). -pp$8.regexp_eatLegacyOctalEscapeSequence = function(state) { +pp$1.regexp_eatLegacyOctalEscapeSequence = function(state) { if (this.regexp_eatOctalDigit(state)) { var n1 = state.lastIntValue; if (this.regexp_eatOctalDigit(state)) { @@ -4695,7 +5273,7 @@ pp$8.regexp_eatLegacyOctalEscapeSequence = function(state) { }; // https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit -pp$8.regexp_eatOctalDigit = function(state) { +pp$1.regexp_eatOctalDigit = function(state) { var ch = state.current(); if (isOctalDigit(ch)) { state.lastIntValue = ch - 0x30; /* 0 */ @@ -4712,7 +5290,7 @@ function isOctalDigit(ch) { // https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits // https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit // And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence -pp$8.regexp_eatFixedHexDigits = function(state, length) { +pp$1.regexp_eatFixedHexDigits = function(state, length) { var start = state.pos; state.lastIntValue = 0; for (var i = 0; i < length; ++i) { @@ -4744,11 +5322,11 @@ var Token = function Token(p) { // ## Tokenizer -var pp$9 = Parser.prototype; +var pp = Parser.prototype; // Move to the next token -pp$9.next = function(ignoreEscapeSequenceInKeyword) { +pp.next = function(ignoreEscapeSequenceInKeyword) { if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); } if (this.options.onToken) @@ -4761,21 +5339,21 @@ pp$9.next = function(ignoreEscapeSequenceInKeyword) { this.nextToken(); }; -pp$9.getToken = function() { +pp.getToken = function() { this.next(); return new Token(this) }; // If we're in an ES6 environment, make parsers iterable if (typeof Symbol !== "undefined") - { pp$9[Symbol.iterator] = function() { + { pp[Symbol.iterator] = function() { var this$1$1 = this; return { next: function () { var token = this$1$1.getToken(); return { - done: token.type === types.eof, + done: token.type === types$1.eof, value: token } } @@ -4788,19 +5366,19 @@ if (typeof Symbol !== "undefined") // Read a single token, updating the parser object's token-related // properties. -pp$9.nextToken = function() { +pp.nextToken = function() { var curContext = this.curContext(); if (!curContext || !curContext.preserveSpace) { this.skipSpace(); } this.start = this.pos; if (this.options.locations) { this.startLoc = this.curPosition(); } - if (this.pos >= this.input.length) { return this.finishToken(types.eof) } + if (this.pos >= this.input.length) { return this.finishToken(types$1.eof) } if (curContext.override) { return curContext.override(this) } else { this.readToken(this.fullCharCodeAtPos()); } }; -pp$9.readToken = function(code) { +pp.readToken = function(code) { // Identifier or keyword. '\uXXXX' sequences are allowed in // identifiers, so '\' also dispatches to that. if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */) @@ -4809,24 +5387,22 @@ pp$9.readToken = function(code) { return this.getTokenFromCode(code) }; -pp$9.fullCharCodeAtPos = function() { +pp.fullCharCodeAtPos = function() { var code = this.input.charCodeAt(this.pos); if (code <= 0xd7ff || code >= 0xdc00) { return code } var next = this.input.charCodeAt(this.pos + 1); return next <= 0xdbff || next >= 0xe000 ? code : (code << 10) + next - 0x35fdc00 }; -pp$9.skipBlockComment = function() { +pp.skipBlockComment = function() { var startLoc = this.options.onComment && this.curPosition(); var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); } this.pos = end + 2; if (this.options.locations) { - lineBreakG.lastIndex = start; - var match; - while ((match = lineBreakG.exec(this.input)) && match.index < this.pos) { + for (var nextBreak = (void 0), pos = start; (nextBreak = nextLineBreak(this.input, pos, this.pos)) > -1;) { ++this.curLine; - this.lineStart = match.index + match[0].length; + pos = this.lineStart = nextBreak; } } if (this.options.onComment) @@ -4834,7 +5410,7 @@ pp$9.skipBlockComment = function() { startLoc, this.curPosition()); } }; -pp$9.skipLineComment = function(startSkip) { +pp.skipLineComment = function(startSkip) { var start = this.pos; var startLoc = this.options.onComment && this.curPosition(); var ch = this.input.charCodeAt(this.pos += startSkip); @@ -4849,7 +5425,7 @@ pp$9.skipLineComment = function(startSkip) { // Called at the start of the parse and after every token. Skips // whitespace and comments, and. -pp$9.skipSpace = function() { +pp.skipSpace = function() { loop: while (this.pos < this.input.length) { var ch = this.input.charCodeAt(this.pos); switch (ch) { @@ -4894,7 +5470,7 @@ pp$9.skipSpace = function() { // the token, so that the next one's `start` will point at the // right position. -pp$9.finishToken = function(type, val) { +pp.finishToken = function(type, val) { this.end = this.pos; if (this.options.locations) { this.endLoc = this.curPosition(); } var prevType = this.type; @@ -4913,62 +5489,62 @@ pp$9.finishToken = function(type, val) { // // All in the name of speed. // -pp$9.readToken_dot = function() { +pp.readToken_dot = function() { var next = this.input.charCodeAt(this.pos + 1); if (next >= 48 && next <= 57) { return this.readNumber(true) } var next2 = this.input.charCodeAt(this.pos + 2); if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.' this.pos += 3; - return this.finishToken(types.ellipsis) + return this.finishToken(types$1.ellipsis) } else { ++this.pos; - return this.finishToken(types.dot) + return this.finishToken(types$1.dot) } }; -pp$9.readToken_slash = function() { // '/' +pp.readToken_slash = function() { // '/' var next = this.input.charCodeAt(this.pos + 1); if (this.exprAllowed) { ++this.pos; return this.readRegexp() } - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(types.slash, 1) + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.slash, 1) }; -pp$9.readToken_mult_modulo_exp = function(code) { // '%*' +pp.readToken_mult_modulo_exp = function(code) { // '%*' var next = this.input.charCodeAt(this.pos + 1); var size = 1; - var tokentype = code === 42 ? types.star : types.modulo; + var tokentype = code === 42 ? types$1.star : types$1.modulo; // exponentiation operator ** and **= if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) { ++size; - tokentype = types.starstar; + tokentype = types$1.starstar; next = this.input.charCodeAt(this.pos + 2); } - if (next === 61) { return this.finishOp(types.assign, size + 1) } + if (next === 61) { return this.finishOp(types$1.assign, size + 1) } return this.finishOp(tokentype, size) }; -pp$9.readToken_pipe_amp = function(code) { // '|&' +pp.readToken_pipe_amp = function(code) { // '|&' var next = this.input.charCodeAt(this.pos + 1); if (next === code) { if (this.options.ecmaVersion >= 12) { var next2 = this.input.charCodeAt(this.pos + 2); - if (next2 === 61) { return this.finishOp(types.assign, 3) } + if (next2 === 61) { return this.finishOp(types$1.assign, 3) } } - return this.finishOp(code === 124 ? types.logicalOR : types.logicalAND, 2) + return this.finishOp(code === 124 ? types$1.logicalOR : types$1.logicalAND, 2) } - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(code === 124 ? types.bitwiseOR : types.bitwiseAND, 1) + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(code === 124 ? types$1.bitwiseOR : types$1.bitwiseAND, 1) }; -pp$9.readToken_caret = function() { // '^' +pp.readToken_caret = function() { // '^' var next = this.input.charCodeAt(this.pos + 1); - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(types.bitwiseXOR, 1) + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.bitwiseXOR, 1) }; -pp$9.readToken_plus_min = function(code) { // '+-' +pp.readToken_plus_min = function(code) { // '+-' var next = this.input.charCodeAt(this.pos + 1); if (next === code) { if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && @@ -4978,19 +5554,19 @@ pp$9.readToken_plus_min = function(code) { // '+-' this.skipSpace(); return this.nextToken() } - return this.finishOp(types.incDec, 2) + return this.finishOp(types$1.incDec, 2) } - if (next === 61) { return this.finishOp(types.assign, 2) } - return this.finishOp(types.plusMin, 1) + if (next === 61) { return this.finishOp(types$1.assign, 2) } + return this.finishOp(types$1.plusMin, 1) }; -pp$9.readToken_lt_gt = function(code) { // '<>' +pp.readToken_lt_gt = function(code) { // '<>' var next = this.input.charCodeAt(this.pos + 1); var size = 1; if (next === code) { size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; - if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types.assign, size + 1) } - return this.finishOp(types.bitShift, size) + if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types$1.assign, size + 1) } + return this.finishOp(types$1.bitShift, size) } if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && this.input.charCodeAt(this.pos + 3) === 45) { @@ -5000,53 +5576,53 @@ pp$9.readToken_lt_gt = function(code) { // '<>' return this.nextToken() } if (next === 61) { size = 2; } - return this.finishOp(types.relational, size) + return this.finishOp(types$1.relational, size) }; -pp$9.readToken_eq_excl = function(code) { // '=!' +pp.readToken_eq_excl = function(code) { // '=!' var next = this.input.charCodeAt(this.pos + 1); - if (next === 61) { return this.finishOp(types.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2) } + if (next === 61) { return this.finishOp(types$1.equality, this.input.charCodeAt(this.pos + 2) === 61 ? 3 : 2) } if (code === 61 && next === 62 && this.options.ecmaVersion >= 6) { // '=>' this.pos += 2; - return this.finishToken(types.arrow) + return this.finishToken(types$1.arrow) } - return this.finishOp(code === 61 ? types.eq : types.prefix, 1) + return this.finishOp(code === 61 ? types$1.eq : types$1.prefix, 1) }; -pp$9.readToken_question = function() { // '?' +pp.readToken_question = function() { // '?' var ecmaVersion = this.options.ecmaVersion; if (ecmaVersion >= 11) { var next = this.input.charCodeAt(this.pos + 1); if (next === 46) { var next2 = this.input.charCodeAt(this.pos + 2); - if (next2 < 48 || next2 > 57) { return this.finishOp(types.questionDot, 2) } + if (next2 < 48 || next2 > 57) { return this.finishOp(types$1.questionDot, 2) } } if (next === 63) { if (ecmaVersion >= 12) { var next2$1 = this.input.charCodeAt(this.pos + 2); - if (next2$1 === 61) { return this.finishOp(types.assign, 3) } + if (next2$1 === 61) { return this.finishOp(types$1.assign, 3) } } - return this.finishOp(types.coalesce, 2) + return this.finishOp(types$1.coalesce, 2) } } - return this.finishOp(types.question, 1) + return this.finishOp(types$1.question, 1) }; -pp$9.readToken_numberSign = function() { // '#' +pp.readToken_numberSign = function() { // '#' var ecmaVersion = this.options.ecmaVersion; var code = 35; // '#' if (ecmaVersion >= 13) { ++this.pos; code = this.fullCharCodeAtPos(); if (isIdentifierStart(code, true) || code === 92 /* '\' */) { - return this.finishToken(types.privateId, this.readWord1()) + return this.finishToken(types$1.privateId, this.readWord1()) } } - this.raise(this.pos, "Unexpected character '" + codePointToString$1(code) + "'"); + this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'"); }; -pp$9.getTokenFromCode = function(code) { +pp.getTokenFromCode = function(code) { switch (code) { // The interpretation of a dot depends on whether it is followed // by a digit or another two dots. @@ -5054,20 +5630,20 @@ pp$9.getTokenFromCode = function(code) { return this.readToken_dot() // Punctuation tokens. - case 40: ++this.pos; return this.finishToken(types.parenL) - case 41: ++this.pos; return this.finishToken(types.parenR) - case 59: ++this.pos; return this.finishToken(types.semi) - case 44: ++this.pos; return this.finishToken(types.comma) - case 91: ++this.pos; return this.finishToken(types.bracketL) - case 93: ++this.pos; return this.finishToken(types.bracketR) - case 123: ++this.pos; return this.finishToken(types.braceL) - case 125: ++this.pos; return this.finishToken(types.braceR) - case 58: ++this.pos; return this.finishToken(types.colon) + case 40: ++this.pos; return this.finishToken(types$1.parenL) + case 41: ++this.pos; return this.finishToken(types$1.parenR) + case 59: ++this.pos; return this.finishToken(types$1.semi) + case 44: ++this.pos; return this.finishToken(types$1.comma) + case 91: ++this.pos; return this.finishToken(types$1.bracketL) + case 93: ++this.pos; return this.finishToken(types$1.bracketR) + case 123: ++this.pos; return this.finishToken(types$1.braceL) + case 125: ++this.pos; return this.finishToken(types$1.braceR) + case 58: ++this.pos; return this.finishToken(types$1.colon) case 96: // '`' if (this.options.ecmaVersion < 6) { break } ++this.pos; - return this.finishToken(types.backQuote) + return this.finishToken(types$1.backQuote) case 48: // '0' var next = this.input.charCodeAt(this.pos + 1); @@ -5090,7 +5666,6 @@ pp$9.getTokenFromCode = function(code) { // often referred to. `finishOp` simply skips the amount of // characters it is given as second argument, and returns a token // of the type given by its first argument. - case 47: // '/' return this.readToken_slash() @@ -5116,22 +5691,22 @@ pp$9.getTokenFromCode = function(code) { return this.readToken_question() case 126: // '~' - return this.finishOp(types.prefix, 1) + return this.finishOp(types$1.prefix, 1) case 35: // '#' return this.readToken_numberSign() } - this.raise(this.pos, "Unexpected character '" + codePointToString$1(code) + "'"); + this.raise(this.pos, "Unexpected character '" + codePointToString(code) + "'"); }; -pp$9.finishOp = function(type, size) { +pp.finishOp = function(type, size) { var str = this.input.slice(this.pos, this.pos + size); this.pos += size; return this.finishToken(type, str) }; -pp$9.readRegexp = function() { +pp.readRegexp = function() { var escaped, inClass, start = this.pos; for (;;) { if (this.pos >= this.input.length) { this.raise(start, "Unterminated regular expression"); } @@ -5166,14 +5741,14 @@ pp$9.readRegexp = function() { // https://github.com/estree/estree/blob/a27003adf4fd7bfad44de9cef372a2eacd527b1c/es5.md#regexpliteral } - return this.finishToken(types.regexp, {pattern: pattern, flags: flags, value: value}) + return this.finishToken(types$1.regexp, {pattern: pattern, flags: flags, value: value}) }; // Read an integer in the given radix. Return null if zero digits // were read, the integer value otherwise. When `len` is given, this // will return `null` unless the integer has exactly `len` digits. -pp$9.readInt = function(radix, len, maybeLegacyOctalNumericLiteral) { +pp.readInt = function(radix, len, maybeLegacyOctalNumericLiteral) { // `len` is used for character escape sequences. In that case, disallow separators. var allowSeparators = this.options.ecmaVersion >= 12 && len === undefined; @@ -5227,7 +5802,7 @@ function stringToBigInt(str) { return BigInt(str.replace(/_/g, "")) } -pp$9.readRadixNumber = function(radix) { +pp.readRadixNumber = function(radix) { var start = this.pos; this.pos += 2; // 0x var val = this.readInt(radix); @@ -5236,12 +5811,12 @@ pp$9.readRadixNumber = function(radix) { val = stringToBigInt(this.input.slice(start, this.pos)); ++this.pos; } else if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); } - return this.finishToken(types.num, val) + return this.finishToken(types$1.num, val) }; // Read an integer, octal integer, or floating-point number. -pp$9.readNumber = function(startsWithDot) { +pp.readNumber = function(startsWithDot) { var start = this.pos; if (!startsWithDot && this.readInt(10, undefined, true) === null) { this.raise(start, "Invalid number"); } var octal = this.pos - start >= 2 && this.input.charCodeAt(start) === 48; @@ -5251,7 +5826,7 @@ pp$9.readNumber = function(startsWithDot) { var val$1 = stringToBigInt(this.input.slice(start, this.pos)); ++this.pos; if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); } - return this.finishToken(types.num, val$1) + return this.finishToken(types$1.num, val$1) } if (octal && /[89]/.test(this.input.slice(start, this.pos))) { octal = false; } if (next === 46 && !octal) { // '.' @@ -5267,12 +5842,12 @@ pp$9.readNumber = function(startsWithDot) { if (isIdentifierStart(this.fullCharCodeAtPos())) { this.raise(this.pos, "Identifier directly after number"); } var val = stringToNumber(this.input.slice(start, this.pos), octal); - return this.finishToken(types.num, val) + return this.finishToken(types$1.num, val) }; // Read a string value, interpreting backslash-escapes. -pp$9.readCodePoint = function() { +pp.readCodePoint = function() { var ch = this.input.charCodeAt(this.pos), code; if (ch === 123) { // '{' @@ -5287,14 +5862,7 @@ pp$9.readCodePoint = function() { return code }; -function codePointToString$1(code) { - // UTF-16 Decoding - if (code <= 0xFFFF) { return String.fromCharCode(code) } - code -= 0x10000; - return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00) -} - -pp$9.readString = function(quote) { +pp.readString = function(quote) { var out = "", chunkStart = ++this.pos; for (;;) { if (this.pos >= this.input.length) { this.raise(this.start, "Unterminated string constant"); } @@ -5317,14 +5885,14 @@ pp$9.readString = function(quote) { } } out += this.input.slice(chunkStart, this.pos++); - return this.finishToken(types.string, out) + return this.finishToken(types$1.string, out) }; // Reads template string tokens. var INVALID_TEMPLATE_ESCAPE_ERROR = {}; -pp$9.tryReadTemplateToken = function() { +pp.tryReadTemplateToken = function() { this.inTemplateElement = true; try { this.readTmplToken(); @@ -5339,7 +5907,7 @@ pp$9.tryReadTemplateToken = function() { this.inTemplateElement = false; }; -pp$9.invalidStringToken = function(position, message) { +pp.invalidStringToken = function(position, message) { if (this.inTemplateElement && this.options.ecmaVersion >= 9) { throw INVALID_TEMPLATE_ESCAPE_ERROR } else { @@ -5347,23 +5915,23 @@ pp$9.invalidStringToken = function(position, message) { } }; -pp$9.readTmplToken = function() { +pp.readTmplToken = function() { var out = "", chunkStart = this.pos; for (;;) { if (this.pos >= this.input.length) { this.raise(this.start, "Unterminated template"); } var ch = this.input.charCodeAt(this.pos); if (ch === 96 || ch === 36 && this.input.charCodeAt(this.pos + 1) === 123) { // '`', '${' - if (this.pos === this.start && (this.type === types.template || this.type === types.invalidTemplate)) { + if (this.pos === this.start && (this.type === types$1.template || this.type === types$1.invalidTemplate)) { if (ch === 36) { this.pos += 2; - return this.finishToken(types.dollarBraceL) + return this.finishToken(types$1.dollarBraceL) } else { ++this.pos; - return this.finishToken(types.backQuote) + return this.finishToken(types$1.backQuote) } } out += this.input.slice(chunkStart, this.pos); - return this.finishToken(types.template, out) + return this.finishToken(types$1.template, out) } if (ch === 92) { // '\' out += this.input.slice(chunkStart, this.pos); @@ -5394,7 +5962,7 @@ pp$9.readTmplToken = function() { }; // Reads a template token to search for the end, without validating any escape sequences -pp$9.readInvalidTemplateToken = function() { +pp.readInvalidTemplateToken = function() { for (; this.pos < this.input.length; this.pos++) { switch (this.input[this.pos]) { case "\\": @@ -5402,15 +5970,18 @@ pp$9.readInvalidTemplateToken = function() { break case "$": - if (this.input[this.pos + 1] !== "{") { - break - } - // falls through - + if (this.input[this.pos + 1] !== "{") { break } + // fall through case "`": - return this.finishToken(types.invalidTemplate, this.input.slice(this.start, this.pos)) + return this.finishToken(types$1.invalidTemplate, this.input.slice(this.start, this.pos)) - // no default + case "\r": + if (this.input[this.pos + 1] === "\n") { ++this.pos; } + // fall through + case "\n": case "\u2028": case "\u2029": + ++this.curLine; + this.lineStart = this.pos + 1; + break } } this.raise(this.start, "Unterminated template"); @@ -5418,14 +5989,14 @@ pp$9.readInvalidTemplateToken = function() { // Used to read escaped characters -pp$9.readEscapedChar = function(inTemplate) { +pp.readEscapedChar = function(inTemplate) { var ch = this.input.charCodeAt(++this.pos); ++this.pos; switch (ch) { case 110: return "\n" // 'n' -> '\n' case 114: return "\r" // 'r' -> '\r' case 120: return String.fromCharCode(this.readHexChar(2)) // 'x' - case 117: return codePointToString$1(this.readCodePoint()) // 'u' + case 117: return codePointToString(this.readCodePoint()) // 'u' case 116: return "\t" // 't' -> '\t' case 98: return "\b" // 'b' -> '\b' case 118: return "\u000b" // 'v' -> '\u000b' @@ -5449,8 +6020,6 @@ pp$9.readEscapedChar = function(inTemplate) { codePos, "Invalid escape sequence in template string" ); - - return null } default: if (ch >= 48 && ch <= 55) { @@ -5475,6 +6044,7 @@ pp$9.readEscapedChar = function(inTemplate) { if (isNewLine(ch)) { // Unicode new line characters after \ get removed from output in both // template literals and strings + if (this.options.locations) { this.lineStart = this.pos; ++this.curLine; } return "" } return String.fromCharCode(ch) @@ -5483,7 +6053,7 @@ pp$9.readEscapedChar = function(inTemplate) { // Used to read character escape sequences ('\x', '\u', '\U'). -pp$9.readHexChar = function(len) { +pp.readHexChar = function(len) { var codePos = this.pos; var n = this.readInt(16, len); if (n === null) { this.invalidStringToken(codePos, "Bad character escape sequence"); } @@ -5496,7 +6066,7 @@ pp$9.readHexChar = function(len) { // Incrementally adds only escaped chars, adding other chunks as-is // as a micro-optimization. -pp$9.readWord1 = function() { +pp.readWord1 = function() { this.containsEsc = false; var word = "", first = true, chunkStart = this.pos; var astral = this.options.ecmaVersion >= 6; @@ -5514,7 +6084,7 @@ pp$9.readWord1 = function() { var esc = this.readCodePoint(); if (!(first ? isIdentifierStart : isIdentifierChar)(esc, astral)) { this.invalidStringToken(escStart, "Invalid Unicode escape"); } - word += codePointToString$1(esc); + word += codePointToString(esc); chunkStart = this.pos; } else { break @@ -5527,18 +6097,33 @@ pp$9.readWord1 = function() { // Read an identifier or keyword token. Will check for reserved // words when necessary. -pp$9.readWord = function() { +pp.readWord = function() { var word = this.readWord1(); - var type = types.name; + var type = types$1.name; if (this.keywords.test(word)) { - type = keywords$1[word]; + type = keywords[word]; } return this.finishToken(type, word) }; // Acorn is a tiny, fast JavaScript parser written in JavaScript. +// +// Acorn was written by Marijn Haverbeke, Ingvar Stepanyan, and +// various contributors and released under an MIT license. +// +// Git repositories for Acorn are available at +// +// http://marijnhaverbeke.nl/git/acorn +// https://github.com/acornjs/acorn.git +// +// Please use the [github bug tracker][ghbt] to report issues. +// +// [ghbt]: https://github.com/acornjs/acorn/issues +// +// [walk]: util/walk.js -var version = "8.5.0"; + +var version = "8.14.0"; Parser.acorn = { Parser: Parser, @@ -5549,10 +6134,10 @@ Parser.acorn = { getLineInfo: getLineInfo, Node: Node, TokenType: TokenType, - tokTypes: types, - keywordTypes: keywords$1, + tokTypes: types$1, + keywordTypes: keywords, TokContext: TokContext, - tokContexts: types$1, + tokContexts: types, isIdentifierChar: isIdentifierChar, isIdentifierStart: isIdentifierStart, Token: Token, @@ -5563,11 +6148,10 @@ Parser.acorn = { }; // The main exported interface (under `self.acorn` when in the -// browser) is a `parse` function that takes a code string and -// returns an abstract syntax tree as specified by [Mozilla parser -// API][api]. +// browser) is a `parse` function that takes a code string and returns +// an abstract syntax tree as specified by the [ESTree spec][estree]. // -// [api]: https://developer.mozilla.org/en-US/docs/SpiderMonkey/Parser_API +// [estree]: https://github.com/estree/estree function parse(input, options) { return Parser.parse(input, options) @@ -5588,7 +6172,7 @@ function getCommentsFromSource(source) { return comments; } function getStimulusCommentOptions (source) { - let comments; + let comments = []; try { comments = getCommentsFromSource(source); } @@ -5616,6 +6200,26 @@ function getStimulusCommentOptions (source) { return { options, errors }; } +function generateLazyController (controllerPath, indentationSpaces, exportName = 'default') { + const spaces = ' '.repeat(indentationSpaces); + return `class extends Controller { +${spaces} constructor(context) { +${spaces} super(context); +${spaces} this.__stimulusLazyController = true; +${spaces} } +${spaces} initialize() { +${spaces} if (this.application.controllers.find((controller) => { +${spaces} return controller.identifier === this.identifier && controller.__stimulusLazyController; +${spaces} })) { +${spaces} return; +${spaces} } +${spaces} import('${controllerPath.replace(/\\/g, '\\\\')}').then((controller) => { +${spaces} this.application.register(this.identifier, controller.${exportName}); +${spaces} }); +${spaces} } +${spaces}}`; +} + const schema = { type: 'object', properties: { diff --git a/dist/webpack/loader.js b/dist/webpack/loader.js index c32088e..eff3eab 100644 --- a/dist/webpack/loader.js +++ b/dist/webpack/loader.js @@ -30,34 +30,34 @@ function createControllersModule(config) { let controllerContents = 'export default {'; let importStatementContents = ''; let hasLazyControllers = false; - if ('undefined' !== typeof config['placeholder']) { + if ('undefined' !== typeof config.placeholder) { throw new Error('Your controllers.json file was not found. Be sure to add a Webpack alias from "@symfony/stimulus-bridge/controllers.json" to *your* controllers.json file.'); } - if ('undefined' === typeof config['controllers']) { + if ('undefined' === typeof config.controllers) { throw new Error('Your Stimulus configuration file (assets/controllers.json) lacks a "controllers" key.'); } let controllerIndex = 0; for (const packageName in config.controllers) { let packageConfig; try { - packageConfig = require(packageName + '/package.json'); + packageConfig = require(`${packageName}/package.json`); } catch (e) { throw new Error(`The file "${packageName}/package.json" could not be found. Try running "yarn install --force".`); } for (const controllerName in config.controllers[packageName]) { - const controllerReference = packageName + '/' + controllerName; + const controllerReference = `${packageName}/${controllerName}`; if ('undefined' === typeof packageConfig.symfony.controllers[controllerName]) { - throw new Error('Controller "' + controllerReference + '" does not exist in the package and cannot be compiled.'); + throw new Error(`Controller "${controllerReference}" does not exist in the package and cannot be compiled.`); } const controllerPackageConfig = packageConfig.symfony.controllers[controllerName]; const controllerUserConfig = config.controllers[packageName][controllerName]; if (!controllerUserConfig.enabled) { continue; } - const controllerMain = packageName + '/' + controllerPackageConfig.main; - let fetchMode = controllerUserConfig.fetch || 'eager'; - let moduleValueContents = ``; + const controllerMain = `${packageName}/${controllerPackageConfig.main}`; + const fetchMode = controllerUserConfig.fetch || 'eager'; + let moduleValueContents = ''; if (fetchMode === 'eager') { const controllerNameForVariable = `controller_${controllerIndex++}`; importStatementContents += `import ${controllerNameForVariable} from '${controllerMain}';\n`; @@ -80,7 +80,7 @@ function createControllersModule(config) { controllerContents += `\n '${controllerNormalizedName}': ${moduleValueContents},`; for (const autoimport in controllerUserConfig.autoimport || []) { if (controllerUserConfig.autoimport[autoimport]) { - importStatementContents += "import '" + autoimport + "';\n"; + importStatementContents += `import '${autoimport}';\n`; } } } diff --git a/dist/webpack/util/get-stimulus-comment-options.d.ts b/dist/webpack/util/get-stimulus-comment-options.d.ts new file mode 100644 index 0000000..ec5e461 --- /dev/null +++ b/dist/webpack/util/get-stimulus-comment-options.d.ts @@ -0,0 +1,4 @@ +export default function (source: string): { + options: {}; + errors: any[]; +}; diff --git a/dist/webpack/webpack/create-controllers-module.d.ts b/dist/webpack/webpack/create-controllers-module.d.ts new file mode 100644 index 0000000..ce07ed3 --- /dev/null +++ b/dist/webpack/webpack/create-controllers-module.d.ts @@ -0,0 +1,4 @@ +export default function createControllersModule(config: any): { + finalSource: string; + deprecations: never[]; +}; diff --git a/dist/webpack/webpack/generate-lazy-controller.d.ts b/dist/webpack/webpack/generate-lazy-controller.d.ts new file mode 100644 index 0000000..e10f3e7 --- /dev/null +++ b/dist/webpack/webpack/generate-lazy-controller.d.ts @@ -0,0 +1 @@ +export default function (controllerPath: string, indentationSpaces: number, exportName?: string): string; diff --git a/dist/webpack/webpack/lazy-controller-loader.d.ts b/dist/webpack/webpack/lazy-controller-loader.d.ts new file mode 100644 index 0000000..655cf91 --- /dev/null +++ b/dist/webpack/webpack/lazy-controller-loader.d.ts @@ -0,0 +1 @@ +export default function (source: string, sourceMap: string): any; diff --git a/dist/webpack/webpack/loader.d.ts b/dist/webpack/webpack/loader.d.ts new file mode 100644 index 0000000..fbaa57d --- /dev/null +++ b/dist/webpack/webpack/loader.d.ts @@ -0,0 +1 @@ +export default function (source: string): string; From 68da84e4aa8c74aca36ead43ae063d4d941f778e Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Sat, 18 Jan 2025 23:10:29 +0100 Subject: [PATCH 06/15] =?UTF-8?q?[BREAKING]=C2=A0Drop=20Node.js=2014=20and?= =?UTF-8?q?=2016=20support?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .github/workflows/test.yaml | 9 ++++++--- package.json | 2 +- 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml index 6cbaef7..3c2c72c 100644 --- a/.github/workflows/test.yaml +++ b/.github/workflows/test.yaml @@ -1,5 +1,8 @@ name: Test +env: + NODE_VERSION_LOWEST_SUPPORTED: 18 + on: pull_request: push: @@ -15,7 +18,7 @@ jobs: - name: Install Node uses: actions/setup-node@v4 with: - node-version: 14 # lowest supported version + node-version: ${{ env.NODE_VERSION_LOWEST_SUPPORTED }} # lowest supported version - name: Install Yarn Dependencies run: yarn install @@ -32,7 +35,7 @@ jobs: - name: Install Node uses: actions/setup-node@v4 with: - node-version: 14 # lowest supported version + node-version: ${{ env.NODE_VERSION_LOWEST_SUPPORTED }} # lowest supported version - run: yarn install && yarn build @@ -52,7 +55,7 @@ jobs: strategy: fail-fast: false matrix: - node-versions: [ '14', '16', '18', '20', '22', '23' ] + node-versions: [ '18', '20', '22', '23' ] steps: - name: Checkout uses: actions/checkout@v4 diff --git a/package.json b/package.json index 1fa1c1c..439ca9f 100644 --- a/package.json +++ b/package.json @@ -7,7 +7,7 @@ "license": "MIT", "author": "Titouan Galopin ", "engines": { - "node": "^14.15.0 || ^16.10.0 || ^18.12.0 || ^20.0.0 || >=22.0" + "node": "^18.12.0 || ^20.0.0 || >=22.0" }, "scripts": { "build": "yarn rollup -c", From 32a891a77c15b93096728b325409736aadbb18ed Mon Sep 17 00:00:00 2001 From: Hugo Alliaume Date: Sat, 25 Jan 2025 10:42:46 +0100 Subject: [PATCH 07/15] Migrate from Rollup to Rolldown, configure TypeScript `module`, `moduleResolution` and `target` options --- CHANGELOG.md | 18 + dist/index.js | 61 +- dist/util/get-stimulus-comment-options.d.ts | 3 + dist/webpack/generate-lazy-controller.d.ts | 6 + dist/webpack/lazy-controller-loader.d.ts | 14 + dist/webpack/lazy-controller-loader.js | 10259 ++++++++---------- dist/webpack/loader.d.ts | 11 + dist/webpack/loader.js | 179 +- package.json | 9 +- rollup.config.js => rolldown.config.mjs | 20 +- tsconfig.json | 7 +- 11 files changed, 4839 insertions(+), 5748 deletions(-) rename rollup.config.js => rolldown.config.mjs (75%) diff --git a/CHANGELOG.md b/CHANGELOG.md index 6b80bdd..83f22ff 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -1,5 +1,23 @@ # CHANGELOG +## 4.0.0 + +### Breaking changes + +* Drop support for Node.js <18, by @Kocal in https://github.com/symfony/stimulus-bridge/pull/94 and https://github.com/symfony/stimulus-bridge/pull/98 + This should not affect most users since previous versions of Node.js are not maintained anymore, and Node.js 18 is in maintenance LTS. + +### Features + +* Thus having no effects on the `dist/` files, TypeScript `module` is now set to `ESNext`, `moduleResolution` to `NodeNext`, and `target` to `ES2021`, by @Kocal in https://github.com/symfony/stimulus-bridge/pull/99 + +### Internal + +* [CI] Ensure tests are run under multiple Node.js versions by @Kocal in https://github.com/symfony/stimulus-bridge/pull/94 +* [CI] Check for un-built JS dist files by @Kocal in https://github.com/symfony/stimulus-bridge/pull/96 +* Replace ESLint and Prettier by Biome.js by @Kocal in https://github.com/symfony/stimulus-bridge/pull/95 +* Migrate from [Rollup](https://rollupjs.org/) to [Rolldown](https://rolldown.rs/) by @Kocal in https://github.com/symfony/stimulus-bridge/pull/99 + ## 3.3.3 * Add missing `@babel/plugin-proposal-class-properties` dev dependency by @Kocal in https://github.com/symfony/stimulus-bridge/pull/92 diff --git a/dist/index.js b/dist/index.js index 3762f3f..bb0df8b 100644 --- a/dist/index.js +++ b/dist/index.js @@ -1,49 +1,38 @@ -import { Application } from '@hotwired/stimulus'; -import symfonyControllers from './webpack/loader!@symfony/stimulus-bridge/controllers.json'; +import { Application } from "@hotwired/stimulus"; +import symfonyControllers from "./webpack/loader!@symfony/stimulus-bridge/controllers.json"; -/* -Stimulus Webpack Helpers 1.0.0 -Copyright © 2021 Basecamp, LLC - */ +//#region node_modules/@hotwired/stimulus-webpack-helpers/dist/stimulus-webpack-helpers.js function definitionsFromContext(context) { - return context.keys() - .map((key) => definitionForModuleWithContextAndKey(context, key)) - .filter((value) => value); + return context.keys().map((key) => definitionForModuleWithContextAndKey(context, key)).filter((value) => value); } function definitionForModuleWithContextAndKey(context, key) { - const identifier = identifierForContextKey(key); - if (identifier) { - return definitionForModuleAndIdentifier(context(key), identifier); - } + const identifier = identifierForContextKey(key); + if (identifier) return definitionForModuleAndIdentifier(context(key), identifier); } function definitionForModuleAndIdentifier(module, identifier) { - const controllerConstructor = module.default; - if (typeof controllerConstructor == "function") { - return { identifier, controllerConstructor }; - } + const controllerConstructor = module.default; + if (typeof controllerConstructor == "function") return { + identifier, + controllerConstructor + }; } function identifierForContextKey(key) { - const logicalName = (key.match(/^(?:\.\/)?(.+)(?:[_-]controller\..+?)$/) || [])[1]; - if (logicalName) { - return logicalName.replace(/_/g, "-").replace(/\//g, "--"); - } + const logicalName = (key.match(/^(?:\.\/)?(.+)(?:[_-]controller\..+?)$/) || [])[1]; + if (logicalName) return logicalName.replace(/_/g, "-").replace(/\//g, "--"); } +//#endregion +//#region src/index.ts function startStimulusApp(context) { - const application = Application.start(); - if (process.env.NODE_ENV === 'development') { - application.debug = true; - } - if (context) { - application.load(definitionsFromContext(context)); - } - for (const controllerName in symfonyControllers) { - if (!Object.prototype.hasOwnProperty.call(symfonyControllers, controllerName)) { - continue; - } - application.register(controllerName, symfonyControllers[controllerName]); - } - return application; + const application = Application.start(); + application.debug = true; + if (context) application.load(definitionsFromContext(context)); + for (const controllerName in symfonyControllers) { + if (!Object.prototype.hasOwnProperty.call(symfonyControllers, controllerName)) continue; + application.register(controllerName, symfonyControllers[controllerName]); + } + return application; } -export { startStimulusApp }; +//#endregion +export { startStimulusApp }; \ No newline at end of file diff --git a/dist/util/get-stimulus-comment-options.d.ts b/dist/util/get-stimulus-comment-options.d.ts index ec5e461..c3be3cf 100644 --- a/dist/util/get-stimulus-comment-options.d.ts +++ b/dist/util/get-stimulus-comment-options.d.ts @@ -1,3 +1,6 @@ +/** + * Inspired by Webpack's JavaScriptParser + */ export default function (source: string): { options: {}; errors: any[]; diff --git a/dist/webpack/generate-lazy-controller.d.ts b/dist/webpack/generate-lazy-controller.d.ts index e10f3e7..979afb2 100644 --- a/dist/webpack/generate-lazy-controller.d.ts +++ b/dist/webpack/generate-lazy-controller.d.ts @@ -1 +1,7 @@ +/** + * + * @param {string} controllerPath The importable path to the controller + * @param {Number} indentationSpaces Amount each line should be indented + * @param {string} exportName The name of the module that's exported from the controller + */ export default function (controllerPath: string, indentationSpaces: number, exportName?: string): string; diff --git a/dist/webpack/lazy-controller-loader.d.ts b/dist/webpack/lazy-controller-loader.d.ts index 655cf91..1875252 100644 --- a/dist/webpack/lazy-controller-loader.d.ts +++ b/dist/webpack/lazy-controller-loader.d.ts @@ -1 +1,15 @@ +/** + * Loader that can make a Stimulus controller lazy. + * + * This loader is meant to be used to load the Stimulus controllers + * themselves. It detects a stimulusFetch: 'lazy' comment above the + * controller. If present, the controller is replaced by a controller + * that will lazily import the real controller the first time the + * element appears. + * + * @param {string} source of a module that exports a Stimulus controller + * @param {string} sourceMap the current source map string + * + * @return {string} + */ export default function (source: string, sourceMap: string): any; diff --git a/dist/webpack/lazy-controller-loader.js b/dist/webpack/lazy-controller-loader.js index 8102ce2..3356a6c 100644 --- a/dist/webpack/lazy-controller-loader.js +++ b/dist/webpack/lazy-controller-loader.js @@ -1,6208 +1,5276 @@ -'use strict'; - -var loaderUtils = require('loader-utils'); -var schemaUtils = require('schema-utils'); -var vm = require('node:vm'); - -function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; } - -function _interopNamespace(e) { - if (e && e.__esModule) return e; - var n = Object.create(null); - if (e) { - Object.keys(e).forEach(function (k) { - if (k !== 'default') { - var d = Object.getOwnPropertyDescriptor(e, k); - Object.defineProperty(n, k, d.get ? d : { - enumerable: true, - get: function () { return e[k]; } - }); - } - }); - } - n["default"] = e; - return Object.freeze(n); -} - -var loaderUtils__namespace = /*#__PURE__*/_interopNamespace(loaderUtils); -var schemaUtils__namespace = /*#__PURE__*/_interopNamespace(schemaUtils); -var vm__default = /*#__PURE__*/_interopDefaultLegacy(vm); - -// This file was generated. 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Do not modify manually! -var nonASCIIidentifierStartChars = "\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u037f\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u052f\u0531-\u0556\u0559\u0560-\u0588\u05d0-\u05ea\u05ef-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u0860-\u086a\u0870-\u0887\u0889-\u088e\u08a0-\u08c9\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u09fc\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0af9\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c39\u0c3d\u0c58-\u0c5a\u0c5d\u0c60\u0c61\u0c80\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cdd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d04-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d54-\u0d56\u0d5f-\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e86-\u0e8a\u0e8c-\u0ea3\u0ea5\u0ea7-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f5\u13f8-\u13fd\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f8\u1700-\u1711\u171f-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1878\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191e\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19b0-\u19c9\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4c\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1c80-\u1c8a\u1c90-\u1cba\u1cbd-\u1cbf\u1ce9-\u1cec\u1cee-\u1cf3\u1cf5\u1cf6\u1cfa\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2118-\u211d\u2124\u2126\u2128\u212a-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309b-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312f\u3131-\u318e\u31a0-\u31bf\u31f0-\u31ff\u3400-\u4dbf\u4e00-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua69d\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua7cd\ua7d0\ua7d1\ua7d3\ua7d5-\ua7dc\ua7f2-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua8fd\ua8fe\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\ua9e0-\ua9e4\ua9e6-\ua9ef\ua9fa-\ua9fe\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa7e-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uab30-\uab5a\uab5c-\uab69\uab70-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc"; - -// These are a run-length and offset encoded representation of the -// >0xffff code points that are a valid part of identifiers. The -// offset starts at 0x10000, and each pair of numbers represents an -// offset to the next range, and then a size of the range. - -// Reserved word lists for various dialects of the language - +"use strict"; +//#region rolldown:runtime +var __create = Object.create; +var __defProp = Object.defineProperty; +var __getOwnPropDesc = Object.getOwnPropertyDescriptor; +var __getOwnPropNames = Object.getOwnPropertyNames; +var __getProtoOf = Object.getPrototypeOf; +var __hasOwnProp = Object.prototype.hasOwnProperty; +var __copyProps = (to, from, except, desc) => { + if (from && typeof from === "object" || typeof from === "function") for (var keys = __getOwnPropNames(from), i$1 = 0, n = keys.length, key; i$1 < n; i$1++) { + key = keys[i$1]; + if (!__hasOwnProp.call(to, key) && key !== except) __defProp(to, key, { + get: ((k) => from[k]).bind(null, key), + enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable + }); + } + return to; +}; +var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { + value: mod, + enumerable: true +}) : target, mod)); + +//#endregion +const loader_utils = __toESM(require("loader-utils")); +const schema_utils = __toESM(require("schema-utils")); +const node_vm = __toESM(require("node:vm")); + +//#region node_modules/acorn/dist/acorn.mjs +var astralIdentifierCodes = [ + 509, + 0, + 227, + 0, + 150, + 4, + 294, + 9, + 1368, + 2, + 2, + 1, + 6, + 3, + 41, + 2, + 5, + 0, + 166, + 1, + 574, + 3, + 9, + 9, + 7, + 9, + 32, + 4, + 318, + 1, + 80, + 3, + 71, + 10, + 50, + 3, + 123, + 2, + 54, + 14, + 32, + 10, + 3, + 1, + 11, + 3, + 46, + 10, + 8, + 0, + 46, + 9, + 7, + 2, + 37, + 13, + 2, + 9, + 6, + 1, + 45, + 0, + 13, + 2, + 49, + 13, + 9, + 3, + 2, + 11, + 83, + 11, + 7, + 0, + 3, + 0, + 158, + 11, + 6, + 9, + 7, + 3, + 56, + 1, + 2, + 6, + 3, + 1, + 3, + 2, + 10, + 0, + 11, + 1, + 3, + 6, + 4, + 4, + 68, + 8, + 2, + 0, + 3, + 0, + 2, + 3, + 2, + 4, + 2, + 0, + 15, + 1, + 83, + 17, + 10, + 9, + 5, + 0, + 82, + 19, + 13, + 9, + 214, + 6, + 3, + 8, + 28, + 1, + 83, + 16, + 16, + 9, + 82, + 12, + 9, + 9, + 7, + 19, + 58, + 14, + 5, + 9, + 243, + 14, + 166, + 9, + 71, + 5, + 2, + 1, + 3, + 3, + 2, + 0, + 2, + 1, + 13, + 9, + 120, + 6, + 3, + 6, + 4, + 0, + 29, + 9, + 41, + 6, + 2, + 3, + 9, + 0, + 10, + 10, + 47, + 15, + 343, + 9, + 54, + 7, + 2, + 7, + 17, + 9, + 57, + 21, + 2, + 13, + 123, + 5, + 4, + 0, + 2, + 1, + 2, + 6, + 2, + 0, + 9, + 9, + 49, + 4, + 2, + 1, + 2, + 4, + 9, + 9, + 330, + 3, + 10, + 1, + 2, + 0, + 49, + 6, + 4, + 4, + 14, + 10, + 5350, + 0, + 7, + 14, + 11465, + 27, + 2343, + 9, + 87, + 9, + 39, + 4, + 60, + 6, + 26, + 9, + 535, + 9, + 470, + 0, + 2, + 54, + 8, + 3, + 82, + 0, + 12, + 1, + 19628, + 1, + 4178, + 9, + 519, + 45, + 3, + 22, + 543, + 4, + 4, + 5, + 9, + 7, + 3, + 6, + 31, + 3, + 149, + 2, + 1418, + 49, + 513, + 54, + 5, + 49, + 9, + 0, + 15, + 0, + 23, + 4, + 2, + 14, + 1361, + 6, + 2, + 16, + 3, + 6, + 2, + 1, + 2, + 4, + 101, + 0, + 161, + 6, + 10, + 9, + 357, + 0, + 62, + 13, + 499, + 13, + 245, + 1, + 2, + 9, + 726, + 6, + 110, + 6, + 6, + 9, + 4759, + 9, + 787719, + 239 +]; +var astralIdentifierStartCodes = [ + 0, + 11, + 2, + 25, + 2, + 18, + 2, + 1, + 2, + 14, + 3, + 13, + 35, + 122, + 70, + 52, + 268, + 28, + 4, + 48, + 48, + 31, + 14, + 29, + 6, + 37, + 11, + 29, + 3, + 35, + 5, + 7, + 2, + 4, + 43, + 157, + 19, + 35, + 5, + 35, + 5, + 39, + 9, + 51, + 13, + 10, + 2, + 14, + 2, + 6, + 2, + 1, + 2, + 10, + 2, + 14, + 2, + 6, + 2, + 1, + 4, + 51, + 13, + 310, + 10, + 21, + 11, + 7, + 25, + 5, + 2, + 41, + 2, + 8, + 70, + 5, + 3, + 0, + 2, + 43, + 2, + 1, + 4, + 0, + 3, + 22, + 11, + 22, + 10, + 30, + 66, + 18, + 2, + 1, + 11, + 21, + 11, + 25, + 71, + 55, + 7, + 1, + 65, + 0, + 16, + 3, + 2, + 2, + 2, + 28, + 43, + 28, + 4, + 28, + 36, + 7, + 2, + 27, + 28, + 53, + 11, + 21, + 11, + 18, + 14, + 17, + 111, + 72, + 56, + 50, + 14, + 50, + 14, + 35, + 39, + 27, + 10, + 22, + 251, + 41, + 7, + 1, + 17, + 2, + 60, + 28, + 11, + 0, + 9, + 21, + 43, + 17, + 47, + 20, + 28, + 22, + 13, + 52, + 58, + 1, + 3, + 0, + 14, + 44, + 33, + 24, + 27, + 35, + 30, + 0, + 3, + 0, + 9, + 34, + 4, + 0, + 13, + 47, + 15, + 3, + 22, + 0, + 2, + 0, + 36, + 17, + 2, + 24, + 20, + 1, + 64, + 6, + 2, + 0, + 2, + 3, + 2, + 14, + 2, + 9, + 8, + 46, + 39, + 7, + 3, + 1, + 3, + 21, + 2, + 6, + 2, + 1, + 2, + 4, + 4, + 0, + 19, + 0, + 13, + 4, + 31, + 9, + 2, + 0, + 3, + 0, + 2, + 37, + 2, + 0, + 26, + 0, + 2, + 0, + 45, + 52, + 19, + 3, + 21, + 2, + 31, + 47, + 21, + 1, + 2, + 0, + 185, + 46, + 42, + 3, + 37, + 47, + 21, + 0, + 60, + 42, + 14, + 0, + 72, + 26, + 38, + 6, + 186, + 43, + 117, + 63, + 32, + 7, + 3, + 0, + 3, + 7, + 2, + 1, + 2, + 23, + 16, + 0, + 2, + 0, + 95, + 7, + 3, + 38, + 17, + 0, + 2, + 0, + 29, + 0, + 11, + 39, + 8, + 0, + 22, + 0, + 12, + 45, + 20, + 0, + 19, + 72, + 200, + 32, + 32, + 8, + 2, + 36, + 18, + 0, + 50, + 29, + 113, + 6, + 2, + 1, + 2, + 37, + 22, + 0, + 26, + 5, + 2, + 1, + 2, + 31, + 15, + 0, + 328, + 18, + 16, + 0, + 2, + 12, + 2, + 33, + 125, + 0, + 80, + 921, + 103, + 110, + 18, + 195, + 2637, + 96, + 16, + 1071, + 18, + 5, + 26, + 3994, + 6, + 582, + 6842, + 29, + 1763, + 568, + 8, + 30, + 18, + 78, + 18, + 29, + 19, + 47, + 17, + 3, + 32, + 20, + 6, + 18, + 433, + 44, + 212, + 63, + 129, + 74, + 6, + 0, + 67, + 12, + 65, + 1, + 2, + 0, + 29, + 6135, + 9, + 1237, + 42, + 9, + 8936, + 3, + 2, + 6, + 2, + 1, + 2, + 290, + 16, + 0, + 30, + 2, + 3, + 0, + 15, + 3, + 9, + 395, + 2309, + 106, + 6, + 12, + 4, + 8, + 8, + 9, + 5991, + 84, + 2, + 70, + 2, + 1, + 3, + 0, + 3, + 1, + 3, + 3, + 2, + 11, + 2, + 0, + 2, + 6, + 2, + 64, + 2, + 3, + 3, + 7, + 2, + 6, + 2, + 27, + 2, + 3, + 2, + 4, + 2, + 0, + 4, + 6, + 2, + 339, + 3, + 24, + 2, + 24, + 2, + 30, + 2, + 24, + 2, + 30, + 2, + 24, + 2, + 30, + 2, + 24, + 2, + 30, + 2, + 24, + 2, + 7, + 1845, + 30, + 7, + 5, + 262, + 61, + 147, + 44, + 11, + 6, + 17, + 0, + 322, + 29, + 19, + 43, + 485, + 27, + 229, + 29, + 3, + 0, + 496, + 6, + 2, + 3, + 2, + 1, + 2, + 14, + 2, + 196, + 60, + 67, + 8, + 0, + 1205, + 3, + 2, + 26, + 2, + 1, + 2, + 0, + 3, + 0, + 2, + 9, + 2, + 3, + 2, + 0, + 2, + 0, + 7, + 0, + 5, + 0, + 2, + 0, + 2, + 0, + 2, + 2, + 2, + 1, + 2, + 0, + 3, + 0, + 2, + 0, + 2, + 0, + 2, + 0, + 2, + 0, + 2, + 1, + 2, + 0, + 3, + 3, + 2, + 6, + 2, + 3, + 2, + 3, + 2, + 0, + 2, + 9, + 2, + 16, + 6, + 2, + 2, + 4, + 2, + 16, + 4421, + 42719, + 33, + 4153, + 7, + 221, + 3, + 5761, + 15, + 7472, + 16, + 621, + 2467, + 541, + 1507, + 4938, + 6, + 4191 +]; +var nonASCIIidentifierChars = "‌‍·̀-ͯ·҃-֑҇-ׇֽֿׁׂׅׄؐ-ًؚ-٩ٰۖ-ۜ۟-۪ۤۧۨ-ۭ۰-۹ܑܰ-݊ަ-ް߀-߉߫-߽߳ࠖ-࠙ࠛ-ࠣࠥ-ࠧࠩ-࡙࠭-࡛ࢗ-࢟࣊-ࣣ࣡-ःऺ-़ा-ॏ॑-ॗॢॣ०-९ঁ-ঃ়া-ৄেৈো-্ৗৢৣ০-৯৾ਁ-ਃ਼ਾ-ੂੇੈੋ-੍ੑ੦-ੱੵઁ-ઃ઼ા-ૅે-ૉો-્ૢૣ૦-૯ૺ-૿ଁ-ଃ଼ା-ୄେୈୋ-୍୕-ୗୢୣ୦-୯ஂா-ூெ-ைொ-்ௗ௦-௯ఀ-ఄ఼ా-ౄె-ైొ-్ౕౖౢౣ౦-౯ಁ-ಃ಼ಾ-ೄೆ-ೈೊ-್ೕೖೢೣ೦-೯ೳഀ-ഃ഻഼ാ-ൄെ-ൈൊ-്ൗൢൣ൦-൯ඁ-ඃ්ා-ුූෘ-ෟ෦-෯ෲෳัิ-ฺ็-๎๐-๙ັິ-ຼ່-໎໐-໙༘༙༠-༩༹༵༷༾༿ཱ-྄྆྇ྍ-ྗྙ-ྼ࿆ါ-ှ၀-၉ၖ-ၙၞ-ၠၢ-ၤၧ-ၭၱ-ၴႂ-ႍႏ-ႝ፝-፟፩-፱ᜒ-᜕ᜲ-᜴ᝒᝓᝲᝳ឴-៓៝០-៩᠋-᠍᠏-᠙ᢩᤠ-ᤫᤰ-᤻᥆-᥏᧐-᧚ᨗ-ᨛᩕ-ᩞ᩠-᩿᩼-᪉᪐-᪙᪰-᪽ᪿ-ᫎᬀ-ᬄ᬴-᭄᭐-᭙᭫-᭳ᮀ-ᮂᮡ-ᮭ᮰-᮹᯦-᯳ᰤ-᰷᱀-᱉᱐-᱙᳐-᳔᳒-᳨᳭᳴᳷-᳹᷀-᷿‌‍‿⁀⁔⃐-⃥⃜⃡-⃰⳯-⵿⳱ⷠ-〪ⷿ-゙゚〯・꘠-꘩꙯ꙴ-꙽ꚞꚟ꛰꛱ꠂ꠆ꠋꠣ-ꠧ꠬ꢀꢁꢴ-ꣅ꣐-꣙꣠-꣱ꣿ-꤉ꤦ-꤭ꥇ-꥓ꦀ-ꦃ꦳-꧀꧐-꧙ꧥ꧰-꧹ꨩ-ꨶꩃꩌꩍ꩐-꩙ꩻ-ꩽꪰꪲ-ꪴꪷꪸꪾ꪿꫁ꫫ-ꫯꫵ꫶ꯣ-ꯪ꯬꯭꯰-꯹ﬞ︀-️︠-︯︳︴﹍-﹏０-９＿･"; +var nonASCIIidentifierStartChars = "ªµºÀ-ÖØ-öø-ˁˆ-ˑˠ-ˤˬˮͰ-ʹͶͷͺ-ͽͿΆΈ-ΊΌΎ-ΡΣ-ϵϷ-ҁҊ-ԯԱ-Ֆՙՠ-ֈא-תׯ-ײؠ-يٮٯٱ-ۓەۥۦۮۯۺ-ۼۿܐܒ-ܯݍ-ޥޱߊ-ߪߴߵߺࠀ-ࠕࠚࠤࠨࡀ-ࡘࡠ-ࡪࡰ-ࢇࢉ-ࢎࢠ-ࣉऄ-हऽॐक़-ॡॱ-ঀঅ-ঌএঐও-নপ-রলশ-হঽৎড়ঢ়য়-ৡৰৱৼਅ-ਊਏਐਓ-ਨਪ-ਰਲਲ਼ਵਸ਼ਸਹਖ਼-ੜਫ਼ੲ-ੴઅ-ઍએ-ઑઓ-નપ-રલળવ-હઽૐૠૡૹଅ-ଌଏଐଓ-ନପ-ରଲଳଵ-ହଽଡ଼ଢ଼ୟ-ୡୱஃஅ-ஊஎ-ஐஒ-கஙசஜஞடணதந-பம-ஹௐఅ-ఌఎ-ఐఒ-నప-హఽౘ-ౚౝౠౡಀಅ-ಌಎ-ಐಒ-ನಪ-ಳವ-ಹಽೝೞೠೡೱೲഄ-ഌഎ-ഐഒ-ഺഽൎൔ-ൖൟ-ൡൺ-ൿඅ-ඖක-නඳ-රලව-ෆก-ะาำเ-ๆກຂຄຆ-ຊຌ-ຣລວ-ະາຳຽເ-ໄໆໜ-ໟༀཀ-ཇཉ-ཬྈ-ྌက-ဪဿၐ-ၕၚ-ၝၡၥၦၮ-ၰၵ-ႁႎႠ-ჅჇჍა-ჺჼ-ቈቊ-ቍቐ-ቖቘቚ-ቝበ-ኈኊ-ኍነ-ኰኲ-ኵኸ-ኾዀዂ-ዅወ-ዖዘ-ጐጒ-ጕጘ-ፚᎀ-ᎏᎠ-Ᏽᏸ-ᏽᐁ-ᙬᙯ-ᙿᚁ-ᚚᚠ-ᛪᛮ-ᛸᜀ-ᜑᜟ-ᜱᝀ-ᝑᝠ-ᝬᝮ-ᝰក-ឳៗៜᠠ-ᡸᢀ-ᢨᢪᢰ-ᣵᤀ-ᤞᥐ-ᥭᥰ-ᥴᦀ-ᦫᦰ-ᧉᨀ-ᨖᨠ-ᩔᪧᬅ-ᬳᭅ-ᭌᮃ-ᮠᮮᮯᮺ-ᯥᰀ-ᰣᱍ-ᱏᱚ-ᱽᲀ-ᲊᲐ-ᲺᲽ-Ჿᳩ-ᳬᳮ-ᳳᳵᳶᳺᴀ-ᶿḀ-ἕἘ-Ἕἠ-ὅὈ-Ὅὐ-ὗὙὛὝὟ-ώᾀ-ᾴᾶ-ᾼιῂ-ῄῆ-ῌῐ-ΐῖ-Ίῠ-Ῥῲ-ῴῶ-ῼⁱⁿₐ-ₜℂℇℊ-ℓℕ℘-ℝℤΩℨK-ℹℼ-ℿⅅ-ⅉⅎⅠ-ↈⰀ-ⳤⳫ-ⳮⳲⳳⴀ-ⴥⴧⴭⴰ-ⵧⵯⶀ-ⶖⶠ-ⶦⶨ-ⶮⶰ-ⶶⶸ-ⶾⷀ-ⷆⷈ-ⷎⷐ-ⷖⷘ-ⷞ々-〇〡-〩〱-〵〸-〼ぁ-ゖ゛-ゟァ-ヺー-ヿㄅ-ㄯㄱ-ㆎㆠ-ㆿㇰ-ㇿ㐀-䶿一-ꒌꓐ-ꓽꔀ-ꘌꘐ-ꘟꘪꘫꙀ-ꙮꙿ-ꚝꚠ-ꛯꜗ-ꜟꜢ-ꞈꞋ-ꟍꟐꟑꟓꟕ-Ƛꟲ-ꠁꠃ-ꠅꠇ-ꠊꠌ-ꠢꡀ-ꡳꢂ-ꢳꣲ-ꣷꣻꣽꣾꤊ-ꤥꤰ-ꥆꥠ-ꥼꦄ-ꦲꧏꧠ-ꧤꧦ-ꧯꧺ-ꧾꨀ-ꨨꩀ-ꩂꩄ-ꩋꩠ-ꩶꩺꩾ-ꪯꪱꪵꪶꪹ-ꪽꫀꫂꫛ-ꫝꫠ-ꫪꫲ-ꫴꬁ-ꬆꬉ-ꬎꬑ-ꬖꬠ-ꬦꬨ-ꬮꬰ-ꭚꭜ-ꭩꭰ-ꯢ가-힣ힰ-ퟆퟋ-ퟻ豈-舘並-龎ff-stﬓ-ﬗיִײַ-ﬨשׁ-זּטּ-לּמּנּסּףּפּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-ﷻﹰ-ﹴﹶ-ﻼＡ-Ｚａ-ｚｦ-ﾾￂ-ￇￊ-ￏￒ-ￗￚ-ￜ"; var reservedWords = { - 3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile", - 5: "class enum extends super const export import", - 6: "enum", - strict: "implements interface let package private protected public static yield", - strictBind: "eval arguments" + 3: "abstract boolean byte char class double enum export extends final float goto implements import int interface long native package private protected public short static super synchronized throws transient volatile", + 5: "class enum extends super const export import", + 6: "enum", + strict: "implements interface let package private protected public static yield", + strictBind: "eval arguments" }; - -// And the keywords - var ecma5AndLessKeywords = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this"; - var keywords$1 = { - 5: ecma5AndLessKeywords, - "5module": ecma5AndLessKeywords + " export import", - 6: ecma5AndLessKeywords + " const class extends export import super" + 5: ecma5AndLessKeywords, + "5module": ecma5AndLessKeywords + " export import", + 6: ecma5AndLessKeywords + " const class extends export import super" }; - var keywordRelationalOperator = /^in(stanceof)?$/; - -// ## Character categories - var nonASCIIidentifierStart = new RegExp("[" + nonASCIIidentifierStartChars + "]"); var nonASCIIidentifier = new RegExp("[" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + "]"); - -// This has a complexity linear to the value of the code. The -// assumption is that looking up astral identifier characters is -// rare. function isInAstralSet(code, set) { - var pos = 0x10000; - for (var i = 0; i < set.length; i += 2) { - pos += set[i]; - if (pos > code) { return false } - pos += set[i + 1]; - if (pos >= code) { return true } - } - return false + var pos = 65536; + for (var i$1 = 0; i$1 < set.length; i$1 += 2) { + pos += set[i$1]; + if (pos > code) return false; + pos += set[i$1 + 1]; + if (pos >= code) return true; + } + return false; } - -// Test whether a given character code starts an identifier. - function isIdentifierStart(code, astral) { - if (code < 65) { return code === 36 } - if (code < 91) { return true } - if (code < 97) { return code === 95 } - if (code < 123) { return true } - if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code)) } - if (astral === false) { return false } - return isInAstralSet(code, astralIdentifierStartCodes) + if (code < 65) return code === 36; + if (code < 91) return true; + if (code < 97) return code === 95; + if (code < 123) return true; + if (code <= 65535) return code >= 170 && nonASCIIidentifierStart.test(String.fromCharCode(code)); + if (astral === false) return false; + return isInAstralSet(code, astralIdentifierStartCodes); } - -// Test whether a given character is part of an identifier. - function isIdentifierChar(code, astral) { - if (code < 48) { return code === 36 } - if (code < 58) { return true } - if (code < 65) { return false } - if (code < 91) { return true } - if (code < 97) { return code === 95 } - if (code < 123) { return true } - if (code <= 0xffff) { return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code)) } - if (astral === false) { return false } - return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes) + if (code < 48) return code === 36; + if (code < 58) return true; + if (code < 65) return false; + if (code < 91) return true; + if (code < 97) return code === 95; + if (code < 123) return true; + if (code <= 65535) return code >= 170 && nonASCIIidentifier.test(String.fromCharCode(code)); + if (astral === false) return false; + return isInAstralSet(code, astralIdentifierStartCodes) || isInAstralSet(code, astralIdentifierCodes); } - -// ## Token types - -// The assignment of fine-grained, information-carrying type objects -// allows the tokenizer to store the information it has about a -// token in a way that is very cheap for the parser to look up. - -// All token type variables start with an underscore, to make them -// easy to recognize. - -// The `beforeExpr` property is used to disambiguate between regular -// expressions and divisions. It is set on all token types that can -// be followed by an expression (thus, a slash after them would be a -// regular expression). -// -// The `startsExpr` property is used to check if the token ends a -// `yield` expression. It is set on all token types that either can -// directly start an expression (like a quotation mark) or can -// continue an expression (like the body of a string). -// -// `isLoop` marks a keyword as starting a loop, which is important -// to know when parsing a label, in order to allow or disallow -// continue jumps to that label. - -var TokenType = function TokenType(label, conf) { - if ( conf === void 0 ) conf = {}; - - this.label = label; - this.keyword = conf.keyword; - this.beforeExpr = !!conf.beforeExpr; - this.startsExpr = !!conf.startsExpr; - this.isLoop = !!conf.isLoop; - this.isAssign = !!conf.isAssign; - this.prefix = !!conf.prefix; - this.postfix = !!conf.postfix; - this.binop = conf.binop || null; - this.updateContext = null; +var TokenType = function TokenType$1(label, conf) { + if (conf === void 0) conf = {}; + this.label = label; + this.keyword = conf.keyword; + this.beforeExpr = !!conf.beforeExpr; + this.startsExpr = !!conf.startsExpr; + this.isLoop = !!conf.isLoop; + this.isAssign = !!conf.isAssign; + this.prefix = !!conf.prefix; + this.postfix = !!conf.postfix; + this.binop = conf.binop || null; + this.updateContext = null; }; - function binop(name, prec) { - return new TokenType(name, {beforeExpr: true, binop: prec}) + return new TokenType(name, { + beforeExpr: true, + binop: prec + }); } -var beforeExpr = {beforeExpr: true}, startsExpr = {startsExpr: true}; - -// Map keyword names to token types. - +var beforeExpr = { beforeExpr: true }, startsExpr = { startsExpr: true }; var keywords = {}; - -// Succinct definitions of keyword token types function kw(name, options) { - if ( options === void 0 ) options = {}; - - options.keyword = name; - return keywords[name] = new TokenType(name, options) + if (options === void 0) options = {}; + options.keyword = name; + return keywords[name] = new TokenType(name, options); } - var types$1 = { - num: new TokenType("num", startsExpr), - regexp: new TokenType("regexp", startsExpr), - string: new TokenType("string", startsExpr), - name: new TokenType("name", startsExpr), - privateId: new TokenType("privateId", startsExpr), - eof: new TokenType("eof"), - - // Punctuation token types. - bracketL: new TokenType("[", {beforeExpr: true, startsExpr: true}), - bracketR: new TokenType("]"), - braceL: new TokenType("{", {beforeExpr: true, startsExpr: true}), - braceR: new TokenType("}"), - parenL: new TokenType("(", {beforeExpr: true, startsExpr: true}), - parenR: new TokenType(")"), - comma: new TokenType(",", beforeExpr), - semi: new TokenType(";", beforeExpr), - colon: new TokenType(":", beforeExpr), - dot: new TokenType("."), - question: new TokenType("?", beforeExpr), - questionDot: new TokenType("?."), - arrow: new TokenType("=>", beforeExpr), - template: new TokenType("template"), - invalidTemplate: new TokenType("invalidTemplate"), - ellipsis: new TokenType("...", beforeExpr), - backQuote: new TokenType("`", startsExpr), - dollarBraceL: new TokenType("${", {beforeExpr: true, startsExpr: true}), - - // Operators. These carry several kinds of properties to help the - // parser use them properly (the presence of these properties is - // what categorizes them as operators). - // - // `binop`, when present, specifies that this operator is a binary - // operator, and will refer to its precedence. - // - // `prefix` and `postfix` mark the operator as a prefix or postfix - // unary operator. - // - // `isAssign` marks all of `=`, `+=`, `-=` etcetera, which act as - // binary operators with a very low precedence, that should result - // in AssignmentExpression nodes. - - eq: new TokenType("=", {beforeExpr: true, isAssign: true}), - assign: new TokenType("_=", {beforeExpr: true, isAssign: true}), - incDec: new TokenType("++/--", {prefix: true, postfix: true, startsExpr: true}), - prefix: new TokenType("!/~", {beforeExpr: true, prefix: true, startsExpr: true}), - logicalOR: binop("||", 1), - logicalAND: binop("&&", 2), - bitwiseOR: binop("|", 3), - bitwiseXOR: binop("^", 4), - bitwiseAND: binop("&", 5), - equality: binop("==/!=/===/!==", 6), - relational: binop("/<=/>=", 7), - bitShift: binop("<>/>>>", 8), - plusMin: new TokenType("+/-", {beforeExpr: true, binop: 9, prefix: true, startsExpr: true}), - modulo: binop("%", 10), - star: binop("*", 10), - slash: binop("/", 10), - starstar: new TokenType("**", {beforeExpr: true}), - coalesce: binop("??", 1), - - // Keyword token types. - _break: kw("break"), - _case: kw("case", beforeExpr), - _catch: kw("catch"), - _continue: kw("continue"), - _debugger: kw("debugger"), - _default: kw("default", beforeExpr), - _do: kw("do", {isLoop: true, beforeExpr: true}), - _else: kw("else", beforeExpr), - _finally: kw("finally"), - _for: kw("for", {isLoop: true}), - _function: kw("function", startsExpr), - _if: kw("if"), - _return: kw("return", beforeExpr), - _switch: kw("switch"), - _throw: kw("throw", beforeExpr), - _try: kw("try"), - _var: kw("var"), - _const: kw("const"), - _while: kw("while", {isLoop: true}), - _with: kw("with"), - _new: kw("new", {beforeExpr: true, startsExpr: true}), - _this: kw("this", startsExpr), - _super: kw("super", startsExpr), - _class: kw("class", startsExpr), - _extends: kw("extends", beforeExpr), - _export: kw("export"), - _import: kw("import", startsExpr), - _null: kw("null", startsExpr), - _true: kw("true", startsExpr), - _false: kw("false", startsExpr), - _in: kw("in", {beforeExpr: true, binop: 7}), - _instanceof: kw("instanceof", {beforeExpr: true, binop: 7}), - _typeof: kw("typeof", {beforeExpr: true, prefix: true, startsExpr: true}), - _void: kw("void", {beforeExpr: true, prefix: true, startsExpr: true}), - _delete: kw("delete", {beforeExpr: true, prefix: true, startsExpr: true}) + num: new TokenType("num", startsExpr), + regexp: new TokenType("regexp", startsExpr), + string: new TokenType("string", startsExpr), + name: new TokenType("name", startsExpr), + privateId: new TokenType("privateId", startsExpr), + eof: new TokenType("eof"), + bracketL: new TokenType("[", { + beforeExpr: true, + startsExpr: true + }), + bracketR: new TokenType("]"), + braceL: new TokenType("{", { + beforeExpr: true, + startsExpr: true + }), + braceR: new TokenType("}"), + parenL: new TokenType("(", { + beforeExpr: true, + startsExpr: true + }), + parenR: new TokenType(")"), + comma: new TokenType(",", beforeExpr), + semi: new TokenType(";", beforeExpr), + colon: new TokenType(":", beforeExpr), + dot: new TokenType("."), + question: new TokenType("?", beforeExpr), + questionDot: new TokenType("?."), + arrow: new TokenType("=>", beforeExpr), + template: new TokenType("template"), + invalidTemplate: new TokenType("invalidTemplate"), + ellipsis: new TokenType("...", beforeExpr), + backQuote: new TokenType("`", startsExpr), + dollarBraceL: new TokenType("\${", { + beforeExpr: true, + startsExpr: true + }), + eq: new TokenType("=", { + beforeExpr: true, + isAssign: true + }), + assign: new TokenType("_=", { + beforeExpr: true, + isAssign: true + }), + incDec: new TokenType("++/--", { + prefix: true, + postfix: true, + startsExpr: true + }), + prefix: new TokenType("!/~", { + beforeExpr: true, + prefix: true, + startsExpr: true + }), + logicalOR: binop("||", 1), + logicalAND: binop("&&", 2), + bitwiseOR: binop("|", 3), + bitwiseXOR: binop("^", 4), + bitwiseAND: binop("&", 5), + equality: binop("==/!=/===/!==", 6), + relational: binop("/<=/>=", 7), + bitShift: binop("<>/>>>", 8), + plusMin: new TokenType("+/-", { + beforeExpr: true, + binop: 9, + prefix: true, + startsExpr: true + }), + modulo: binop("%", 10), + star: binop("*", 10), + slash: binop("/", 10), + starstar: new TokenType("**", { beforeExpr: true }), + coalesce: binop("??", 1), + _break: kw("break"), + _case: kw("case", beforeExpr), + _catch: kw("catch"), + _continue: kw("continue"), + _debugger: kw("debugger"), + _default: kw("default", beforeExpr), + _do: kw("do", { + isLoop: true, + beforeExpr: true + }), + _else: kw("else", beforeExpr), + _finally: kw("finally"), + _for: kw("for", { isLoop: true }), + _function: kw("function", startsExpr), + _if: kw("if"), + _return: kw("return", beforeExpr), + _switch: kw("switch"), + _throw: kw("throw", beforeExpr), + _try: kw("try"), + _var: kw("var"), + _const: kw("const"), + _while: kw("while", { isLoop: true }), + _with: kw("with"), + _new: kw("new", { + beforeExpr: true, + startsExpr: true + }), + _this: kw("this", startsExpr), + _super: kw("super", startsExpr), + _class: kw("class", startsExpr), + _extends: kw("extends", beforeExpr), + _export: kw("export"), + _import: kw("import", startsExpr), + _null: kw("null", startsExpr), + _true: kw("true", startsExpr), + _false: kw("false", startsExpr), + _in: kw("in", { + beforeExpr: true, + binop: 7 + }), + _instanceof: kw("instanceof", { + beforeExpr: true, + binop: 7 + }), + _typeof: kw("typeof", { + beforeExpr: true, + prefix: true, + startsExpr: true + }), + _void: kw("void", { + beforeExpr: true, + prefix: true, + startsExpr: true + }), + _delete: kw("delete", { + beforeExpr: true, + prefix: true, + startsExpr: true + }) }; - -// Matches a whole line break (where CRLF is considered a single -// line break). Used to count lines. - var lineBreak = /\r\n?|\n|\u2028|\u2029/; var lineBreakG = new RegExp(lineBreak.source, "g"); - function isNewLine(code) { - return code === 10 || code === 13 || code === 0x2028 || code === 0x2029 + return code === 10 || code === 13 || code === 8232 || code === 8233; } - function nextLineBreak(code, from, end) { - if ( end === void 0 ) end = code.length; - - for (var i = from; i < end; i++) { - var next = code.charCodeAt(i); - if (isNewLine(next)) - { return i < end - 1 && next === 13 && code.charCodeAt(i + 1) === 10 ? i + 2 : i + 1 } - } - return -1 + if (end === void 0) end = code.length; + for (var i$1 = from; i$1 < end; i$1++) { + var next = code.charCodeAt(i$1); + if (isNewLine(next)) return i$1 < end - 1 && next === 13 && code.charCodeAt(i$1 + 1) === 10 ? i$1 + 2 : i$1 + 1; + } + return -1; } - var nonASCIIwhitespace = /[\u1680\u2000-\u200a\u202f\u205f\u3000\ufeff]/; - var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g; - var ref = Object.prototype; var hasOwnProperty = ref.hasOwnProperty; var toString = ref.toString; - -var hasOwn = Object.hasOwn || (function (obj, propName) { return ( - hasOwnProperty.call(obj, propName) -); }); - -var isArray = Array.isArray || (function (obj) { return ( - toString.call(obj) === "[object Array]" -); }); - +var hasOwn = Object.hasOwn || function(obj, propName) { + return hasOwnProperty.call(obj, propName); +}; +var isArray = Array.isArray || function(obj) { + return toString.call(obj) === "[object Array]"; +}; var regexpCache = Object.create(null); - function wordsRegexp(words) { - return regexpCache[words] || (regexpCache[words] = new RegExp("^(?:" + words.replace(/ /g, "|") + ")$")) + return regexpCache[words] || (regexpCache[words] = new RegExp("^(?:" + words.replace(/ /g, "|") + ")$")); } - function codePointToString(code) { - // UTF-16 Decoding - if (code <= 0xFFFF) { return String.fromCharCode(code) } - code -= 0x10000; - return String.fromCharCode((code >> 10) + 0xD800, (code & 1023) + 0xDC00) + if (code <= 65535) return String.fromCharCode(code); + code -= 65536; + return String.fromCharCode((code >> 10) + 55296, (code & 1023) + 56320); } - var loneSurrogate = /(?:[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/; - -// These are used when `options.locations` is on, for the -// `startLoc` and `endLoc` properties. - -var Position = function Position(line, col) { - this.line = line; - this.column = col; +var Position = function Position$1(line, col) { + this.line = line; + this.column = col; }; - -Position.prototype.offset = function offset (n) { - return new Position(this.line, this.column + n) +Position.prototype.offset = function offset(n) { + return new Position(this.line, this.column + n); }; - -var SourceLocation = function SourceLocation(p, start, end) { - this.start = start; - this.end = end; - if (p.sourceFile !== null) { this.source = p.sourceFile; } +var SourceLocation = function SourceLocation$1(p, start, end) { + this.start = start; + this.end = end; + if (p.sourceFile !== null) this.source = p.sourceFile; }; - -// The `getLineInfo` function is mostly useful when the -// `locations` option is off (for performance reasons) and you -// want to find the line/column position for a given character -// offset. `input` should be the code string that the offset refers -// into. - function getLineInfo(input, offset) { - for (var line = 1, cur = 0;;) { - var nextBreak = nextLineBreak(input, cur, offset); - if (nextBreak < 0) { return new Position(line, offset - cur) } - ++line; - cur = nextBreak; - } + for (var line = 1, cur = 0;;) { + var nextBreak = nextLineBreak(input, cur, offset); + if (nextBreak < 0) return new Position(line, offset - cur); + ++line; + cur = nextBreak; + } } - -// A second argument must be given to configure the parser process. -// These options are recognized (only `ecmaVersion` is required): - var defaultOptions = { - // `ecmaVersion` indicates the ECMAScript version to parse. Must be - // either 3, 5, 6 (or 2015), 7 (2016), 8 (2017), 9 (2018), 10 - // (2019), 11 (2020), 12 (2021), 13 (2022), 14 (2023), or `"latest"` - // (the latest version the library supports). This influences - // support for strict mode, the set of reserved words, and support - // for new syntax features. - ecmaVersion: null, - // `sourceType` indicates the mode the code should be parsed in. - // Can be either `"script"` or `"module"`. This influences global - // strict mode and parsing of `import` and `export` declarations. - sourceType: "script", - // `onInsertedSemicolon` can be a callback that will be called when - // a semicolon is automatically inserted. It will be passed the - // position of the inserted semicolon as an offset, and if - // `locations` is enabled, it is given the location as a `{line, - // column}` object as second argument. - onInsertedSemicolon: null, - // `onTrailingComma` is similar to `onInsertedSemicolon`, but for - // trailing commas. - onTrailingComma: null, - // By default, reserved words are only enforced if ecmaVersion >= 5. - // Set `allowReserved` to a boolean value to explicitly turn this on - // an off. When this option has the value "never", reserved words - // and keywords can also not be used as property names. - allowReserved: null, - // When enabled, a return at the top level is not considered an - // error. - allowReturnOutsideFunction: false, - // When enabled, import/export statements are not constrained to - // appearing at the top of the program, and an import.meta expression - // in a script isn't considered an error. - allowImportExportEverywhere: false, - // By default, await identifiers are allowed to appear at the top-level scope only if ecmaVersion >= 2022. - // When enabled, await identifiers are allowed to appear at the top-level scope, - // but they are still not allowed in non-async functions. - allowAwaitOutsideFunction: null, - // When enabled, super identifiers are not constrained to - // appearing in methods and do not raise an error when they appear elsewhere. - allowSuperOutsideMethod: null, - // When enabled, hashbang directive in the beginning of file is - // allowed and treated as a line comment. Enabled by default when - // `ecmaVersion` >= 2023. - allowHashBang: false, - // By default, the parser will verify that private properties are - // only used in places where they are valid and have been declared. - // Set this to false to turn such checks off. - checkPrivateFields: true, - // When `locations` is on, `loc` properties holding objects with - // `start` and `end` properties in `{line, column}` form (with - // line being 1-based and column 0-based) will be attached to the - // nodes. - locations: false, - // A function can be passed as `onToken` option, which will - // cause Acorn to call that function with object in the same - // format as tokens returned from `tokenizer().getToken()`. Note - // that you are not allowed to call the parser from the - // callback—that will corrupt its internal state. - onToken: null, - // A function can be passed as `onComment` option, which will - // cause Acorn to call that function with `(block, text, start, - // end)` parameters whenever a comment is skipped. `block` is a - // boolean indicating whether this is a block (`/* */`) comment, - // `text` is the content of the comment, and `start` and `end` are - // character offsets that denote the start and end of the comment. - // When the `locations` option is on, two more parameters are - // passed, the full `{line, column}` locations of the start and - // end of the comments. Note that you are not allowed to call the - // parser from the callback—that will corrupt its internal state. - // When this option has an array as value, objects representing the - // comments are pushed to it. - onComment: null, - // Nodes have their start and end characters offsets recorded in - // `start` and `end` properties (directly on the node, rather than - // the `loc` object, which holds line/column data. To also add a - // [semi-standardized][range] `range` property holding a `[start, - // end]` array with the same numbers, set the `ranges` option to - // `true`. - // - // [range]: https://bugzilla.mozilla.org/show_bug.cgi?id=745678 - ranges: false, - // It is possible to parse multiple files into a single AST by - // passing the tree produced by parsing the first file as - // `program` option in subsequent parses. This will add the - // toplevel forms of the parsed file to the `Program` (top) node - // of an existing parse tree. - program: null, - // When `locations` is on, you can pass this to record the source - // file in every node's `loc` object. - sourceFile: null, - // This value, if given, is stored in every node, whether - // `locations` is on or off. - directSourceFile: null, - // When enabled, parenthesized expressions are represented by - // (non-standard) ParenthesizedExpression nodes - preserveParens: false + ecmaVersion: null, + sourceType: "script", + onInsertedSemicolon: null, + onTrailingComma: null, + allowReserved: null, + allowReturnOutsideFunction: false, + allowImportExportEverywhere: false, + allowAwaitOutsideFunction: null, + allowSuperOutsideMethod: null, + allowHashBang: false, + checkPrivateFields: true, + locations: false, + onToken: null, + onComment: null, + ranges: false, + program: null, + sourceFile: null, + directSourceFile: null, + preserveParens: false }; - -// Interpret and default an options object - var warnedAboutEcmaVersion = false; - function getOptions(opts) { - var options = {}; - - for (var opt in defaultOptions) - { options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt]; } - - if (options.ecmaVersion === "latest") { - options.ecmaVersion = 1e8; - } else if (options.ecmaVersion == null) { - if (!warnedAboutEcmaVersion && typeof console === "object" && console.warn) { - warnedAboutEcmaVersion = true; - console.warn("Since Acorn 8.0.0, options.ecmaVersion is required.\nDefaulting to 2020, but this will stop working in the future."); - } - options.ecmaVersion = 11; - } else if (options.ecmaVersion >= 2015) { - options.ecmaVersion -= 2009; - } - - if (options.allowReserved == null) - { options.allowReserved = options.ecmaVersion < 5; } - - if (!opts || opts.allowHashBang == null) - { options.allowHashBang = options.ecmaVersion >= 14; } - - if (isArray(options.onToken)) { - var tokens = options.onToken; - options.onToken = function (token) { return tokens.push(token); }; - } - if (isArray(options.onComment)) - { options.onComment = pushComment(options, options.onComment); } - - return options + var options = {}; + for (var opt in defaultOptions) options[opt] = opts && hasOwn(opts, opt) ? opts[opt] : defaultOptions[opt]; + if (options.ecmaVersion === "latest") options.ecmaVersion = 1e8; + else if (options.ecmaVersion == null) { + if (!warnedAboutEcmaVersion && typeof console === "object" && console.warn) { + warnedAboutEcmaVersion = true; + console.warn("Since Acorn 8.0.0, options.ecmaVersion is required.\nDefaulting to 2020, but this will stop working in the future."); + } + options.ecmaVersion = 11; + } else if (options.ecmaVersion >= 2015) options.ecmaVersion -= 2009; + if (options.allowReserved == null) options.allowReserved = options.ecmaVersion < 5; + if (!opts || opts.allowHashBang == null) options.allowHashBang = options.ecmaVersion >= 14; + if (isArray(options.onToken)) { + var tokens = options.onToken; + options.onToken = function(token) { + return tokens.push(token); + }; + } + if (isArray(options.onComment)) options.onComment = pushComment(options, options.onComment); + return options; } - function pushComment(options, array) { - return function(block, text, start, end, startLoc, endLoc) { - var comment = { - type: block ? "Block" : "Line", - value: text, - start: start, - end: end - }; - if (options.locations) - { comment.loc = new SourceLocation(this, startLoc, endLoc); } - if (options.ranges) - { comment.range = [start, end]; } - array.push(comment); - } + return function(block, text, start, end, startLoc, endLoc) { + var comment = { + type: block ? "Block" : "Line", + value: text, + start, + end + }; + if (options.locations) comment.loc = new SourceLocation(this, startLoc, endLoc); + if (options.ranges) comment.range = [start, end]; + array.push(comment); + }; } - -// Each scope gets a bitset that may contain these flags -var - SCOPE_TOP = 1, - SCOPE_FUNCTION = 2, - SCOPE_ASYNC = 4, - SCOPE_GENERATOR = 8, - SCOPE_ARROW = 16, - SCOPE_SIMPLE_CATCH = 32, - SCOPE_SUPER = 64, - SCOPE_DIRECT_SUPER = 128, - SCOPE_CLASS_STATIC_BLOCK = 256, - SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK; - +var SCOPE_TOP = 1, SCOPE_FUNCTION = 2, SCOPE_ASYNC = 4, SCOPE_GENERATOR = 8, SCOPE_ARROW = 16, SCOPE_SIMPLE_CATCH = 32, SCOPE_SUPER = 64, SCOPE_DIRECT_SUPER = 128, SCOPE_CLASS_STATIC_BLOCK = 256, SCOPE_VAR = SCOPE_TOP | SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK; function functionFlags(async, generator) { - return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0) + return SCOPE_FUNCTION | (async ? SCOPE_ASYNC : 0) | (generator ? SCOPE_GENERATOR : 0); } - -// Used in checkLVal* and declareName to determine the type of a binding -var - BIND_NONE = 0, // Not a binding - BIND_VAR = 1, // Var-style binding - BIND_LEXICAL = 2, // Let- or const-style binding - BIND_FUNCTION = 3, // Function declaration - BIND_SIMPLE_CATCH = 4, // Simple (identifier pattern) catch binding - BIND_OUTSIDE = 5; // Special case for function names as bound inside the function - -var Parser = function Parser(options, input, startPos) { - this.options = options = getOptions(options); - this.sourceFile = options.sourceFile; - this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); - var reserved = ""; - if (options.allowReserved !== true) { - reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3]; - if (options.sourceType === "module") { reserved += " await"; } - } - this.reservedWords = wordsRegexp(reserved); - var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict; - this.reservedWordsStrict = wordsRegexp(reservedStrict); - this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind); - this.input = String(input); - - // Used to signal to callers of `readWord1` whether the word - // contained any escape sequences. This is needed because words with - // escape sequences must not be interpreted as keywords. - this.containsEsc = false; - - // Set up token state - - // The current position of the tokenizer in the input. - if (startPos) { - this.pos = startPos; - this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1; - this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; - } else { - this.pos = this.lineStart = 0; - this.curLine = 1; - } - - // Properties of the current token: - // Its type - this.type = types$1.eof; - // For tokens that include more information than their type, the value - this.value = null; - // Its start and end offset - this.start = this.end = this.pos; - // And, if locations are used, the {line, column} object - // corresponding to those offsets - this.startLoc = this.endLoc = this.curPosition(); - - // Position information for the previous token - this.lastTokEndLoc = this.lastTokStartLoc = null; - this.lastTokStart = this.lastTokEnd = this.pos; - - // The context stack is used to superficially track syntactic - // context to predict whether a regular expression is allowed in a - // given position. - this.context = this.initialContext(); - this.exprAllowed = true; - - // Figure out if it's a module code. - this.inModule = options.sourceType === "module"; - this.strict = this.inModule || this.strictDirective(this.pos); - - // Used to signify the start of a potential arrow function - this.potentialArrowAt = -1; - this.potentialArrowInForAwait = false; - - // Positions to delayed-check that yield/await does not exist in default parameters. - this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; - // Labels in scope. - this.labels = []; - // Thus-far undefined exports. - this.undefinedExports = Object.create(null); - - // If enabled, skip leading hashbang line. - if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") - { this.skipLineComment(2); } - - // Scope tracking for duplicate variable names (see scope.js) - this.scopeStack = []; - this.enterScope(SCOPE_TOP); - - // For RegExp validation - this.regexpState = null; - - // The stack of private names. - // Each element has two properties: 'declared' and 'used'. - // When it exited from the outermost class definition, all used private names must be declared. - this.privateNameStack = []; -}; - -var prototypeAccessors = { inFunction: { configurable: true },inGenerator: { configurable: true },inAsync: { configurable: true },canAwait: { configurable: true },allowSuper: { configurable: true },allowDirectSuper: { configurable: true },treatFunctionsAsVar: { configurable: true },allowNewDotTarget: { configurable: true },inClassStaticBlock: { configurable: true } }; - -Parser.prototype.parse = function parse () { - var node = this.options.program || this.startNode(); - this.nextToken(); - return this.parseTopLevel(node) -}; - -prototypeAccessors.inFunction.get = function () { return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0 }; - -prototypeAccessors.inGenerator.get = function () { return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 && !this.currentVarScope().inClassFieldInit }; - -prototypeAccessors.inAsync.get = function () { return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 && !this.currentVarScope().inClassFieldInit }; - -prototypeAccessors.canAwait.get = function () { - for (var i = this.scopeStack.length - 1; i >= 0; i--) { - var scope = this.scopeStack[i]; - if (scope.inClassFieldInit || scope.flags & SCOPE_CLASS_STATIC_BLOCK) { return false } - if (scope.flags & SCOPE_FUNCTION) { return (scope.flags & SCOPE_ASYNC) > 0 } - } - return (this.inModule && this.options.ecmaVersion >= 13) || this.options.allowAwaitOutsideFunction -}; - -prototypeAccessors.allowSuper.get = function () { - var ref = this.currentThisScope(); - var flags = ref.flags; - var inClassFieldInit = ref.inClassFieldInit; - return (flags & SCOPE_SUPER) > 0 || inClassFieldInit || this.options.allowSuperOutsideMethod -}; - -prototypeAccessors.allowDirectSuper.get = function () { return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0 }; - -prototypeAccessors.treatFunctionsAsVar.get = function () { return this.treatFunctionsAsVarInScope(this.currentScope()) }; - -prototypeAccessors.allowNewDotTarget.get = function () { - var ref = this.currentThisScope(); - var flags = ref.flags; - var inClassFieldInit = ref.inClassFieldInit; - return (flags & (SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK)) > 0 || inClassFieldInit -}; - -prototypeAccessors.inClassStaticBlock.get = function () { - return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0 -}; - -Parser.extend = function extend () { - var plugins = [], len = arguments.length; - while ( len-- ) plugins[ len ] = arguments[ len ]; - - var cls = this; - for (var i = 0; i < plugins.length; i++) { cls = plugins[i](cls); } - return cls -}; - -Parser.parse = function parse (input, options) { - return new this(options, input).parse() -}; - -Parser.parseExpressionAt = function parseExpressionAt (input, pos, options) { - var parser = new this(options, input, pos); - parser.nextToken(); - return parser.parseExpression() -}; - -Parser.tokenizer = function tokenizer (input, options) { - return new this(options, input) -}; - -Object.defineProperties( Parser.prototype, prototypeAccessors ); - +var BIND_NONE = 0, BIND_VAR = 1, BIND_LEXICAL = 2, BIND_FUNCTION = 3, BIND_SIMPLE_CATCH = 4, BIND_OUTSIDE = 5; +var Parser = function Parser$1(options, input, startPos) { + this.options = options = getOptions(options); + this.sourceFile = options.sourceFile; + this.keywords = wordsRegexp(keywords$1[options.ecmaVersion >= 6 ? 6 : options.sourceType === "module" ? "5module" : 5]); + var reserved = ""; + if (options.allowReserved !== true) { + reserved = reservedWords[options.ecmaVersion >= 6 ? 6 : options.ecmaVersion === 5 ? 5 : 3]; + if (options.sourceType === "module") reserved += " await"; + } + this.reservedWords = wordsRegexp(reserved); + var reservedStrict = (reserved ? reserved + " " : "") + reservedWords.strict; + this.reservedWordsStrict = wordsRegexp(reservedStrict); + this.reservedWordsStrictBind = wordsRegexp(reservedStrict + " " + reservedWords.strictBind); + this.input = String(input); + this.containsEsc = false; + if (startPos) { + this.pos = startPos; + this.lineStart = this.input.lastIndexOf("\n", startPos - 1) + 1; + this.curLine = this.input.slice(0, this.lineStart).split(lineBreak).length; + } else { + this.pos = this.lineStart = 0; + this.curLine = 1; + } + this.type = types$1.eof; + this.value = null; + this.start = this.end = this.pos; + this.startLoc = this.endLoc = this.curPosition(); + this.lastTokEndLoc = this.lastTokStartLoc = null; + this.lastTokStart = this.lastTokEnd = this.pos; + this.context = this.initialContext(); + this.exprAllowed = true; + this.inModule = options.sourceType === "module"; + this.strict = this.inModule || this.strictDirective(this.pos); + this.potentialArrowAt = -1; + this.potentialArrowInForAwait = false; + this.yieldPos = this.awaitPos = this.awaitIdentPos = 0; + this.labels = []; + this.undefinedExports = Object.create(null); + if (this.pos === 0 && options.allowHashBang && this.input.slice(0, 2) === "#!") this.skipLineComment(2); + this.scopeStack = []; + this.enterScope(SCOPE_TOP); + this.regexpState = null; + this.privateNameStack = []; +}; +var prototypeAccessors = { + inFunction: { configurable: true }, + inGenerator: { configurable: true }, + inAsync: { configurable: true }, + canAwait: { configurable: true }, + allowSuper: { configurable: true }, + allowDirectSuper: { configurable: true }, + treatFunctionsAsVar: { configurable: true }, + allowNewDotTarget: { configurable: true }, + inClassStaticBlock: { configurable: true } +}; +Parser.prototype.parse = function parse$1() { + var node = this.options.program || this.startNode(); + this.nextToken(); + return this.parseTopLevel(node); +}; +prototypeAccessors.inFunction.get = function() { + return (this.currentVarScope().flags & SCOPE_FUNCTION) > 0; +}; +prototypeAccessors.inGenerator.get = function() { + return (this.currentVarScope().flags & SCOPE_GENERATOR) > 0 && !this.currentVarScope().inClassFieldInit; +}; +prototypeAccessors.inAsync.get = function() { + return (this.currentVarScope().flags & SCOPE_ASYNC) > 0 && !this.currentVarScope().inClassFieldInit; +}; +prototypeAccessors.canAwait.get = function() { + for (var i$1 = this.scopeStack.length - 1; i$1 >= 0; i$1--) { + var scope = this.scopeStack[i$1]; + if (scope.inClassFieldInit || scope.flags & SCOPE_CLASS_STATIC_BLOCK) return false; + if (scope.flags & SCOPE_FUNCTION) return (scope.flags & SCOPE_ASYNC) > 0; + } + return this.inModule && this.options.ecmaVersion >= 13 || this.options.allowAwaitOutsideFunction; +}; +prototypeAccessors.allowSuper.get = function() { + var ref$1 = this.currentThisScope(); + var flags = ref$1.flags; + var inClassFieldInit = ref$1.inClassFieldInit; + return (flags & SCOPE_SUPER) > 0 || inClassFieldInit || this.options.allowSuperOutsideMethod; +}; +prototypeAccessors.allowDirectSuper.get = function() { + return (this.currentThisScope().flags & SCOPE_DIRECT_SUPER) > 0; +}; +prototypeAccessors.treatFunctionsAsVar.get = function() { + return this.treatFunctionsAsVarInScope(this.currentScope()); +}; +prototypeAccessors.allowNewDotTarget.get = function() { + var ref$1 = this.currentThisScope(); + var flags = ref$1.flags; + var inClassFieldInit = ref$1.inClassFieldInit; + return (flags & (SCOPE_FUNCTION | SCOPE_CLASS_STATIC_BLOCK)) > 0 || inClassFieldInit; +}; +prototypeAccessors.inClassStaticBlock.get = function() { + return (this.currentVarScope().flags & SCOPE_CLASS_STATIC_BLOCK) > 0; +}; +Parser.extend = function extend() { + var plugins = [], len = arguments.length; + while (len--) plugins[len] = arguments[len]; + var cls = this; + for (var i$1 = 0; i$1 < plugins.length; i$1++) cls = plugins[i$1](cls); + return cls; +}; +Parser.parse = function parse$1(input, options) { + return new this(options, input).parse(); +}; +Parser.parseExpressionAt = function parseExpressionAt(input, pos, options) { + var parser = new this(options, input, pos); + parser.nextToken(); + return parser.parseExpression(); +}; +Parser.tokenizer = function tokenizer(input, options) { + return new this(options, input); +}; +Object.defineProperties(Parser.prototype, prototypeAccessors); var pp$9 = Parser.prototype; - -// ## Parser utilities - var literal = /^(?:'((?:\\[^]|[^'\\])*?)'|"((?:\\[^]|[^"\\])*?)")/; pp$9.strictDirective = function(start) { - if (this.options.ecmaVersion < 5) { return false } - for (;;) { - // Try to find string literal. - skipWhiteSpace.lastIndex = start; - start += skipWhiteSpace.exec(this.input)[0].length; - var match = literal.exec(this.input.slice(start)); - if (!match) { return false } - if ((match[1] || match[2]) === "use strict") { - skipWhiteSpace.lastIndex = start + match[0].length; - var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length; - var next = this.input.charAt(end); - return next === ";" || next === "}" || - (lineBreak.test(spaceAfter[0]) && - !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "=")) - } - start += match[0].length; - - // Skip semicolon, if any. - skipWhiteSpace.lastIndex = start; - start += skipWhiteSpace.exec(this.input)[0].length; - if (this.input[start] === ";") - { start++; } - } + if (this.options.ecmaVersion < 5) return false; + for (;;) { + skipWhiteSpace.lastIndex = start; + start += skipWhiteSpace.exec(this.input)[0].length; + var match = literal.exec(this.input.slice(start)); + if (!match) return false; + if ((match[1] || match[2]) === "use strict") { + skipWhiteSpace.lastIndex = start + match[0].length; + var spaceAfter = skipWhiteSpace.exec(this.input), end = spaceAfter.index + spaceAfter[0].length; + var next = this.input.charAt(end); + return next === ";" || next === "}" || lineBreak.test(spaceAfter[0]) && !(/[(`.[+\-/*%<>=,?^&]/.test(next) || next === "!" && this.input.charAt(end + 1) === "="); + } + start += match[0].length; + skipWhiteSpace.lastIndex = start; + start += skipWhiteSpace.exec(this.input)[0].length; + if (this.input[start] === ";") start++; + } }; - -// Predicate that tests whether the next token is of the given -// type, and if yes, consumes it as a side effect. - pp$9.eat = function(type) { - if (this.type === type) { - this.next(); - return true - } else { - return false - } + if (this.type === type) { + this.next(); + return true; + } else return false; }; - -// Tests whether parsed token is a contextual keyword. - pp$9.isContextual = function(name) { - return this.type === types$1.name && this.value === name && !this.containsEsc + return this.type === types$1.name && this.value === name && !this.containsEsc; }; - -// Consumes contextual keyword if possible. - pp$9.eatContextual = function(name) { - if (!this.isContextual(name)) { return false } - this.next(); - return true + if (!this.isContextual(name)) return false; + this.next(); + return true; }; - -// Asserts that following token is given contextual keyword. - pp$9.expectContextual = function(name) { - if (!this.eatContextual(name)) { this.unexpected(); } + if (!this.eatContextual(name)) this.unexpected(); }; - -// Test whether a semicolon can be inserted at the current position. - pp$9.canInsertSemicolon = function() { - return this.type === types$1.eof || - this.type === types$1.braceR || - lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) + return this.type === types$1.eof || this.type === types$1.braceR || lineBreak.test(this.input.slice(this.lastTokEnd, this.start)); }; - pp$9.insertSemicolon = function() { - if (this.canInsertSemicolon()) { - if (this.options.onInsertedSemicolon) - { this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); } - return true - } + if (this.canInsertSemicolon()) { + if (this.options.onInsertedSemicolon) this.options.onInsertedSemicolon(this.lastTokEnd, this.lastTokEndLoc); + return true; + } }; - -// Consume a semicolon, or, failing that, see if we are allowed to -// pretend that there is a semicolon at this position. - pp$9.semicolon = function() { - if (!this.eat(types$1.semi) && !this.insertSemicolon()) { this.unexpected(); } + if (!this.eat(types$1.semi) && !this.insertSemicolon()) this.unexpected(); }; - pp$9.afterTrailingComma = function(tokType, notNext) { - if (this.type === tokType) { - if (this.options.onTrailingComma) - { this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); } - if (!notNext) - { this.next(); } - return true - } + if (this.type === tokType) { + if (this.options.onTrailingComma) this.options.onTrailingComma(this.lastTokStart, this.lastTokStartLoc); + if (!notNext) this.next(); + return true; + } }; - -// Expect a token of a given type. If found, consume it, otherwise, -// raise an unexpected token error. - pp$9.expect = function(type) { - this.eat(type) || this.unexpected(); + this.eat(type) || this.unexpected(); }; - -// Raise an unexpected token error. - pp$9.unexpected = function(pos) { - this.raise(pos != null ? pos : this.start, "Unexpected token"); + this.raise(pos != null ? pos : this.start, "Unexpected token"); }; - -var DestructuringErrors = function DestructuringErrors() { - this.shorthandAssign = - this.trailingComma = - this.parenthesizedAssign = - this.parenthesizedBind = - this.doubleProto = - -1; +var DestructuringErrors = function DestructuringErrors$1() { + this.shorthandAssign = this.trailingComma = this.parenthesizedAssign = this.parenthesizedBind = this.doubleProto = -1; }; - pp$9.checkPatternErrors = function(refDestructuringErrors, isAssign) { - if (!refDestructuringErrors) { return } - if (refDestructuringErrors.trailingComma > -1) - { this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); } - var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; - if (parens > -1) { this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern"); } + if (!refDestructuringErrors) return; + if (refDestructuringErrors.trailingComma > -1) this.raiseRecoverable(refDestructuringErrors.trailingComma, "Comma is not permitted after the rest element"); + var parens = isAssign ? refDestructuringErrors.parenthesizedAssign : refDestructuringErrors.parenthesizedBind; + if (parens > -1) this.raiseRecoverable(parens, isAssign ? "Assigning to rvalue" : "Parenthesized pattern"); }; - pp$9.checkExpressionErrors = function(refDestructuringErrors, andThrow) { - if (!refDestructuringErrors) { return false } - var shorthandAssign = refDestructuringErrors.shorthandAssign; - var doubleProto = refDestructuringErrors.doubleProto; - if (!andThrow) { return shorthandAssign >= 0 || doubleProto >= 0 } - if (shorthandAssign >= 0) - { this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); } - if (doubleProto >= 0) - { this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); } + if (!refDestructuringErrors) return false; + var shorthandAssign = refDestructuringErrors.shorthandAssign; + var doubleProto = refDestructuringErrors.doubleProto; + if (!andThrow) return shorthandAssign >= 0 || doubleProto >= 0; + if (shorthandAssign >= 0) this.raise(shorthandAssign, "Shorthand property assignments are valid only in destructuring patterns"); + if (doubleProto >= 0) this.raiseRecoverable(doubleProto, "Redefinition of __proto__ property"); }; - pp$9.checkYieldAwaitInDefaultParams = function() { - if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) - { this.raise(this.yieldPos, "Yield expression cannot be a default value"); } - if (this.awaitPos) - { this.raise(this.awaitPos, "Await expression cannot be a default value"); } + if (this.yieldPos && (!this.awaitPos || this.yieldPos < this.awaitPos)) this.raise(this.yieldPos, "Yield expression cannot be a default value"); + if (this.awaitPos) this.raise(this.awaitPos, "Await expression cannot be a default value"); }; - pp$9.isSimpleAssignTarget = function(expr) { - if (expr.type === "ParenthesizedExpression") - { return this.isSimpleAssignTarget(expr.expression) } - return expr.type === "Identifier" || expr.type === "MemberExpression" + if (expr.type === "ParenthesizedExpression") return this.isSimpleAssignTarget(expr.expression); + return expr.type === "Identifier" || expr.type === "MemberExpression"; }; - var pp$8 = Parser.prototype; - -// ### Statement parsing - -// Parse a program. Initializes the parser, reads any number of -// statements, and wraps them in a Program node. Optionally takes a -// `program` argument. If present, the statements will be appended -// to its body instead of creating a new node. - pp$8.parseTopLevel = function(node) { - var exports = Object.create(null); - if (!node.body) { node.body = []; } - while (this.type !== types$1.eof) { - var stmt = this.parseStatement(null, true, exports); - node.body.push(stmt); - } - if (this.inModule) - { for (var i = 0, list = Object.keys(this.undefinedExports); i < list.length; i += 1) - { - var name = list[i]; - - this.raiseRecoverable(this.undefinedExports[name].start, ("Export '" + name + "' is not defined")); - } } - this.adaptDirectivePrologue(node.body); - this.next(); - node.sourceType = this.options.sourceType; - return this.finishNode(node, "Program") -}; - -var loopLabel = {kind: "loop"}, switchLabel = {kind: "switch"}; - + var exports$1 = Object.create(null); + if (!node.body) node.body = []; + while (this.type !== types$1.eof) { + var stmt = this.parseStatement(null, true, exports$1); + node.body.push(stmt); + } + if (this.inModule) for (var i$1 = 0, list$1 = Object.keys(this.undefinedExports); i$1 < list$1.length; i$1 += 1) { + var name = list$1[i$1]; + this.raiseRecoverable(this.undefinedExports[name].start, "Export '" + name + "' is not defined"); + } + this.adaptDirectivePrologue(node.body); + this.next(); + node.sourceType = this.options.sourceType; + return this.finishNode(node, "Program"); +}; +var loopLabel = { kind: "loop" }, switchLabel = { kind: "switch" }; pp$8.isLet = function(context) { - if (this.options.ecmaVersion < 6 || !this.isContextual("let")) { return false } - skipWhiteSpace.lastIndex = this.pos; - var skip = skipWhiteSpace.exec(this.input); - var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); - // For ambiguous cases, determine if a LexicalDeclaration (or only a - // Statement) is allowed here. If context is not empty then only a Statement - // is allowed. However, `let [` is an explicit negative lookahead for - // ExpressionStatement, so special-case it first. - if (nextCh === 91 || nextCh === 92) { return true } // '[', '\' - if (context) { return false } - - if (nextCh === 123 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } // '{', astral - if (isIdentifierStart(nextCh, true)) { - var pos = next + 1; - while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) { ++pos; } - if (nextCh === 92 || nextCh > 0xd7ff && nextCh < 0xdc00) { return true } - var ident = this.input.slice(next, pos); - if (!keywordRelationalOperator.test(ident)) { return true } - } - return false + if (this.options.ecmaVersion < 6 || !this.isContextual("let")) return false; + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); + if (nextCh === 91 || nextCh === 92) return true; + if (context) return false; + if (nextCh === 123 || nextCh > 55295 && nextCh < 56320) return true; + if (isIdentifierStart(nextCh, true)) { + var pos = next + 1; + while (isIdentifierChar(nextCh = this.input.charCodeAt(pos), true)) ++pos; + if (nextCh === 92 || nextCh > 55295 && nextCh < 56320) return true; + var ident = this.input.slice(next, pos); + if (!keywordRelationalOperator.test(ident)) return true; + } + return false; }; - -// check 'async [no LineTerminator here] function' -// - 'async /*foo*/ function' is OK. -// - 'async /*\n*/ function' is invalid. pp$8.isAsyncFunction = function() { - if (this.options.ecmaVersion < 8 || !this.isContextual("async")) - { return false } - - skipWhiteSpace.lastIndex = this.pos; - var skip = skipWhiteSpace.exec(this.input); - var next = this.pos + skip[0].length, after; - return !lineBreak.test(this.input.slice(this.pos, next)) && - this.input.slice(next, next + 8) === "function" && - (next + 8 === this.input.length || - !(isIdentifierChar(after = this.input.charCodeAt(next + 8)) || after > 0xd7ff && after < 0xdc00)) + if (this.options.ecmaVersion < 8 || !this.isContextual("async")) return false; + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, after; + return !lineBreak.test(this.input.slice(this.pos, next)) && this.input.slice(next, next + 8) === "function" && (next + 8 === this.input.length || !(isIdentifierChar(after = this.input.charCodeAt(next + 8)) || after > 55295 && after < 56320)); +}; +pp$8.parseStatement = function(context, topLevel, exports$1) { + var starttype = this.type, node = this.startNode(), kind; + if (this.isLet(context)) { + starttype = types$1._var; + kind = "let"; + } + switch (starttype) { + case types$1._break: + case types$1._continue: return this.parseBreakContinueStatement(node, starttype.keyword); + case types$1._debugger: return this.parseDebuggerStatement(node); + case types$1._do: return this.parseDoStatement(node); + case types$1._for: return this.parseForStatement(node); + case types$1._function: + if (context && (this.strict || context !== "if" && context !== "label") && this.options.ecmaVersion >= 6) this.unexpected(); + return this.parseFunctionStatement(node, false, !context); + case types$1._class: + if (context) this.unexpected(); + return this.parseClass(node, true); + case types$1._if: return this.parseIfStatement(node); + case types$1._return: return this.parseReturnStatement(node); + case types$1._switch: return this.parseSwitchStatement(node); + case types$1._throw: return this.parseThrowStatement(node); + case types$1._try: return this.parseTryStatement(node); + case types$1._const: + case types$1._var: + kind = kind || this.value; + if (context && kind !== "var") this.unexpected(); + return this.parseVarStatement(node, kind); + case types$1._while: return this.parseWhileStatement(node); + case types$1._with: return this.parseWithStatement(node); + case types$1.braceL: return this.parseBlock(true, node); + case types$1.semi: return this.parseEmptyStatement(node); + case types$1._export: + case types$1._import: + if (this.options.ecmaVersion > 10 && starttype === types$1._import) { + skipWhiteSpace.lastIndex = this.pos; + var skip = skipWhiteSpace.exec(this.input); + var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); + if (nextCh === 40 || nextCh === 46) return this.parseExpressionStatement(node, this.parseExpression()); + } + if (!this.options.allowImportExportEverywhere) { + if (!topLevel) this.raise(this.start, "'import' and 'export' may only appear at the top level"); + if (!this.inModule) this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); + } + return starttype === types$1._import ? this.parseImport(node) : this.parseExport(node, exports$1); + default: + if (this.isAsyncFunction()) { + if (context) this.unexpected(); + this.next(); + return this.parseFunctionStatement(node, true, !context); + } + var maybeName = this.value, expr = this.parseExpression(); + if (starttype === types$1.name && expr.type === "Identifier" && this.eat(types$1.colon)) return this.parseLabeledStatement(node, maybeName, expr, context); + else return this.parseExpressionStatement(node, expr); + } }; - -// Parse a single statement. -// -// If expecting a statement and finding a slash operator, parse a -// regular expression literal. This is to handle cases like -// `if (foo) /blah/.exec(foo)`, where looking at the previous token -// does not help. - -pp$8.parseStatement = function(context, topLevel, exports) { - var starttype = this.type, node = this.startNode(), kind; - - if (this.isLet(context)) { - starttype = types$1._var; - kind = "let"; - } - - // Most types of statements are recognized by the keyword they - // start with. Many are trivial to parse, some require a bit of - // complexity. - - switch (starttype) { - case types$1._break: case types$1._continue: return this.parseBreakContinueStatement(node, starttype.keyword) - case types$1._debugger: return this.parseDebuggerStatement(node) - case types$1._do: return this.parseDoStatement(node) - case types$1._for: return this.parseForStatement(node) - case types$1._function: - // Function as sole body of either an if statement or a labeled statement - // works, but not when it is part of a labeled statement that is the sole - // body of an if statement. - if ((context && (this.strict || context !== "if" && context !== "label")) && this.options.ecmaVersion >= 6) { this.unexpected(); } - return this.parseFunctionStatement(node, false, !context) - case types$1._class: - if (context) { this.unexpected(); } - return this.parseClass(node, true) - case types$1._if: return this.parseIfStatement(node) - case types$1._return: return this.parseReturnStatement(node) - case types$1._switch: return this.parseSwitchStatement(node) - case types$1._throw: return this.parseThrowStatement(node) - case types$1._try: return this.parseTryStatement(node) - case types$1._const: case types$1._var: - kind = kind || this.value; - if (context && kind !== "var") { this.unexpected(); } - return this.parseVarStatement(node, kind) - case types$1._while: return this.parseWhileStatement(node) - case types$1._with: return this.parseWithStatement(node) - case types$1.braceL: return this.parseBlock(true, node) - case types$1.semi: return this.parseEmptyStatement(node) - case types$1._export: - case types$1._import: - if (this.options.ecmaVersion > 10 && starttype === types$1._import) { - skipWhiteSpace.lastIndex = this.pos; - var skip = skipWhiteSpace.exec(this.input); - var next = this.pos + skip[0].length, nextCh = this.input.charCodeAt(next); - if (nextCh === 40 || nextCh === 46) // '(' or '.' - { return this.parseExpressionStatement(node, this.parseExpression()) } - } - - if (!this.options.allowImportExportEverywhere) { - if (!topLevel) - { this.raise(this.start, "'import' and 'export' may only appear at the top level"); } - if (!this.inModule) - { this.raise(this.start, "'import' and 'export' may appear only with 'sourceType: module'"); } - } - return starttype === types$1._import ? this.parseImport(node) : this.parseExport(node, exports) - - // If the statement does not start with a statement keyword or a - // brace, it's an ExpressionStatement or LabeledStatement. We - // simply start parsing an expression, and afterwards, if the - // next token is a colon and the expression was a simple - // Identifier node, we switch to interpreting it as a label. - default: - if (this.isAsyncFunction()) { - if (context) { this.unexpected(); } - this.next(); - return this.parseFunctionStatement(node, true, !context) - } - - var maybeName = this.value, expr = this.parseExpression(); - if (starttype === types$1.name && expr.type === "Identifier" && this.eat(types$1.colon)) - { return this.parseLabeledStatement(node, maybeName, expr, context) } - else { return this.parseExpressionStatement(node, expr) } - } -}; - pp$8.parseBreakContinueStatement = function(node, keyword) { - var isBreak = keyword === "break"; - this.next(); - if (this.eat(types$1.semi) || this.insertSemicolon()) { node.label = null; } - else if (this.type !== types$1.name) { this.unexpected(); } - else { - node.label = this.parseIdent(); - this.semicolon(); - } - - // Verify that there is an actual destination to break or - // continue to. - var i = 0; - for (; i < this.labels.length; ++i) { - var lab = this.labels[i]; - if (node.label == null || lab.name === node.label.name) { - if (lab.kind != null && (isBreak || lab.kind === "loop")) { break } - if (node.label && isBreak) { break } - } - } - if (i === this.labels.length) { this.raise(node.start, "Unsyntactic " + keyword); } - return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement") + var isBreak = keyword === "break"; + this.next(); + if (this.eat(types$1.semi) || this.insertSemicolon()) node.label = null; + else if (this.type !== types$1.name) this.unexpected(); + else { + node.label = this.parseIdent(); + this.semicolon(); + } + var i$1 = 0; + for (; i$1 < this.labels.length; ++i$1) { + var lab = this.labels[i$1]; + if (node.label == null || lab.name === node.label.name) { + if (lab.kind != null && (isBreak || lab.kind === "loop")) break; + if (node.label && isBreak) break; + } + } + if (i$1 === this.labels.length) this.raise(node.start, "Unsyntactic " + keyword); + return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement"); }; - pp$8.parseDebuggerStatement = function(node) { - this.next(); - this.semicolon(); - return this.finishNode(node, "DebuggerStatement") + this.next(); + this.semicolon(); + return this.finishNode(node, "DebuggerStatement"); }; - pp$8.parseDoStatement = function(node) { - this.next(); - this.labels.push(loopLabel); - node.body = this.parseStatement("do"); - this.labels.pop(); - this.expect(types$1._while); - node.test = this.parseParenExpression(); - if (this.options.ecmaVersion >= 6) - { this.eat(types$1.semi); } - else - { this.semicolon(); } - return this.finishNode(node, "DoWhileStatement") + this.next(); + this.labels.push(loopLabel); + node.body = this.parseStatement("do"); + this.labels.pop(); + this.expect(types$1._while); + node.test = this.parseParenExpression(); + if (this.options.ecmaVersion >= 6) this.eat(types$1.semi); + else this.semicolon(); + return this.finishNode(node, "DoWhileStatement"); }; - -// Disambiguating between a `for` and a `for`/`in` or `for`/`of` -// loop is non-trivial. Basically, we have to parse the init `var` -// statement or expression, disallowing the `in` operator (see -// the second parameter to `parseExpression`), and then check -// whether the next token is `in` or `of`. When there is no init -// part (semicolon immediately after the opening parenthesis), it -// is a regular `for` loop. - pp$8.parseForStatement = function(node) { - this.next(); - var awaitAt = (this.options.ecmaVersion >= 9 && this.canAwait && this.eatContextual("await")) ? this.lastTokStart : -1; - this.labels.push(loopLabel); - this.enterScope(0); - this.expect(types$1.parenL); - if (this.type === types$1.semi) { - if (awaitAt > -1) { this.unexpected(awaitAt); } - return this.parseFor(node, null) - } - var isLet = this.isLet(); - if (this.type === types$1._var || this.type === types$1._const || isLet) { - var init$1 = this.startNode(), kind = isLet ? "let" : this.value; - this.next(); - this.parseVar(init$1, true, kind); - this.finishNode(init$1, "VariableDeclaration"); - if ((this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of"))) && init$1.declarations.length === 1) { - if (this.options.ecmaVersion >= 9) { - if (this.type === types$1._in) { - if (awaitAt > -1) { this.unexpected(awaitAt); } - } else { node.await = awaitAt > -1; } - } - return this.parseForIn(node, init$1) - } - if (awaitAt > -1) { this.unexpected(awaitAt); } - return this.parseFor(node, init$1) - } - var startsWithLet = this.isContextual("let"), isForOf = false; - var containsEsc = this.containsEsc; - var refDestructuringErrors = new DestructuringErrors; - var initPos = this.start; - var init = awaitAt > -1 - ? this.parseExprSubscripts(refDestructuringErrors, "await") - : this.parseExpression(true, refDestructuringErrors); - if (this.type === types$1._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of"))) { - if (awaitAt > -1) { // implies `ecmaVersion >= 9` (see declaration of awaitAt) - if (this.type === types$1._in) { this.unexpected(awaitAt); } - node.await = true; - } else if (isForOf && this.options.ecmaVersion >= 8) { - if (init.start === initPos && !containsEsc && init.type === "Identifier" && init.name === "async") { this.unexpected(); } - else if (this.options.ecmaVersion >= 9) { node.await = false; } - } - if (startsWithLet && isForOf) { this.raise(init.start, "The left-hand side of a for-of loop may not start with 'let'."); } - this.toAssignable(init, false, refDestructuringErrors); - this.checkLValPattern(init); - return this.parseForIn(node, init) - } else { - this.checkExpressionErrors(refDestructuringErrors, true); - } - if (awaitAt > -1) { this.unexpected(awaitAt); } - return this.parseFor(node, init) + this.next(); + var awaitAt = this.options.ecmaVersion >= 9 && this.canAwait && this.eatContextual("await") ? this.lastTokStart : -1; + this.labels.push(loopLabel); + this.enterScope(0); + this.expect(types$1.parenL); + if (this.type === types$1.semi) { + if (awaitAt > -1) this.unexpected(awaitAt); + return this.parseFor(node, null); + } + var isLet = this.isLet(); + if (this.type === types$1._var || this.type === types$1._const || isLet) { + var init$1 = this.startNode(), kind = isLet ? "let" : this.value; + this.next(); + this.parseVar(init$1, true, kind); + this.finishNode(init$1, "VariableDeclaration"); + if ((this.type === types$1._in || this.options.ecmaVersion >= 6 && this.isContextual("of")) && init$1.declarations.length === 1) { + if (this.options.ecmaVersion >= 9) if (this.type === types$1._in) { + if (awaitAt > -1) this.unexpected(awaitAt); + } else node.await = awaitAt > -1; + return this.parseForIn(node, init$1); + } + if (awaitAt > -1) this.unexpected(awaitAt); + return this.parseFor(node, init$1); + } + var startsWithLet = this.isContextual("let"), isForOf = false; + var containsEsc = this.containsEsc; + var refDestructuringErrors = new DestructuringErrors(); + var initPos = this.start; + var init = awaitAt > -1 ? this.parseExprSubscripts(refDestructuringErrors, "await") : this.parseExpression(true, refDestructuringErrors); + if (this.type === types$1._in || (isForOf = this.options.ecmaVersion >= 6 && this.isContextual("of"))) { + if (awaitAt > -1) { + if (this.type === types$1._in) this.unexpected(awaitAt); + node.await = true; + } else if (isForOf && this.options.ecmaVersion >= 8) { + if (init.start === initPos && !containsEsc && init.type === "Identifier" && init.name === "async") this.unexpected(); + else if (this.options.ecmaVersion >= 9) node.await = false; + } + if (startsWithLet && isForOf) this.raise(init.start, "The left-hand side of a for-of loop may not start with 'let'."); + this.toAssignable(init, false, refDestructuringErrors); + this.checkLValPattern(init); + return this.parseForIn(node, init); + } else this.checkExpressionErrors(refDestructuringErrors, true); + if (awaitAt > -1) this.unexpected(awaitAt); + return this.parseFor(node, init); }; - pp$8.parseFunctionStatement = function(node, isAsync, declarationPosition) { - this.next(); - return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync) + this.next(); + return this.parseFunction(node, FUNC_STATEMENT | (declarationPosition ? 0 : FUNC_HANGING_STATEMENT), false, isAsync); }; - pp$8.parseIfStatement = function(node) { - this.next(); - node.test = this.parseParenExpression(); - // allow function declarations in branches, but only in non-strict mode - node.consequent = this.parseStatement("if"); - node.alternate = this.eat(types$1._else) ? this.parseStatement("if") : null; - return this.finishNode(node, "IfStatement") + this.next(); + node.test = this.parseParenExpression(); + node.consequent = this.parseStatement("if"); + node.alternate = this.eat(types$1._else) ? this.parseStatement("if") : null; + return this.finishNode(node, "IfStatement"); }; - pp$8.parseReturnStatement = function(node) { - if (!this.inFunction && !this.options.allowReturnOutsideFunction) - { this.raise(this.start, "'return' outside of function"); } - this.next(); - - // In `return` (and `break`/`continue`), the keywords with - // optional arguments, we eagerly look for a semicolon or the - // possibility to insert one. - - if (this.eat(types$1.semi) || this.insertSemicolon()) { node.argument = null; } - else { node.argument = this.parseExpression(); this.semicolon(); } - return this.finishNode(node, "ReturnStatement") + if (!this.inFunction && !this.options.allowReturnOutsideFunction) this.raise(this.start, "'return' outside of function"); + this.next(); + if (this.eat(types$1.semi) || this.insertSemicolon()) node.argument = null; + else { + node.argument = this.parseExpression(); + this.semicolon(); + } + return this.finishNode(node, "ReturnStatement"); }; - pp$8.parseSwitchStatement = function(node) { - this.next(); - node.discriminant = this.parseParenExpression(); - node.cases = []; - this.expect(types$1.braceL); - this.labels.push(switchLabel); - this.enterScope(0); - - // Statements under must be grouped (by label) in SwitchCase - // nodes. `cur` is used to keep the node that we are currently - // adding statements to. - - var cur; - for (var sawDefault = false; this.type !== types$1.braceR;) { - if (this.type === types$1._case || this.type === types$1._default) { - var isCase = this.type === types$1._case; - if (cur) { this.finishNode(cur, "SwitchCase"); } - node.cases.push(cur = this.startNode()); - cur.consequent = []; - this.next(); - if (isCase) { - cur.test = this.parseExpression(); - } else { - if (sawDefault) { this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"); } - sawDefault = true; - cur.test = null; - } - this.expect(types$1.colon); - } else { - if (!cur) { this.unexpected(); } - cur.consequent.push(this.parseStatement(null)); - } - } - this.exitScope(); - if (cur) { this.finishNode(cur, "SwitchCase"); } - this.next(); // Closing brace - this.labels.pop(); - return this.finishNode(node, "SwitchStatement") + this.next(); + node.discriminant = this.parseParenExpression(); + node.cases = []; + this.expect(types$1.braceL); + this.labels.push(switchLabel); + this.enterScope(0); + var cur; + for (var sawDefault = false; this.type !== types$1.braceR;) if (this.type === types$1._case || this.type === types$1._default) { + var isCase = this.type === types$1._case; + if (cur) this.finishNode(cur, "SwitchCase"); + node.cases.push(cur = this.startNode()); + cur.consequent = []; + this.next(); + if (isCase) cur.test = this.parseExpression(); + else { + if (sawDefault) this.raiseRecoverable(this.lastTokStart, "Multiple default clauses"); + sawDefault = true; + cur.test = null; + } + this.expect(types$1.colon); + } else { + if (!cur) this.unexpected(); + cur.consequent.push(this.parseStatement(null)); + } + this.exitScope(); + if (cur) this.finishNode(cur, "SwitchCase"); + this.next(); + this.labels.pop(); + return this.finishNode(node, "SwitchStatement"); }; - pp$8.parseThrowStatement = function(node) { - this.next(); - if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) - { this.raise(this.lastTokEnd, "Illegal newline after throw"); } - node.argument = this.parseExpression(); - this.semicolon(); - return this.finishNode(node, "ThrowStatement") + this.next(); + if (lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) this.raise(this.lastTokEnd, "Illegal newline after throw"); + node.argument = this.parseExpression(); + this.semicolon(); + return this.finishNode(node, "ThrowStatement"); }; - -// Reused empty array added for node fields that are always empty. - var empty$1 = []; - pp$8.parseCatchClauseParam = function() { - var param = this.parseBindingAtom(); - var simple = param.type === "Identifier"; - this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); - this.checkLValPattern(param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); - this.expect(types$1.parenR); - - return param + var param = this.parseBindingAtom(); + var simple = param.type === "Identifier"; + this.enterScope(simple ? SCOPE_SIMPLE_CATCH : 0); + this.checkLValPattern(param, simple ? BIND_SIMPLE_CATCH : BIND_LEXICAL); + this.expect(types$1.parenR); + return param; }; - pp$8.parseTryStatement = function(node) { - this.next(); - node.block = this.parseBlock(); - node.handler = null; - if (this.type === types$1._catch) { - var clause = this.startNode(); - this.next(); - if (this.eat(types$1.parenL)) { - clause.param = this.parseCatchClauseParam(); - } else { - if (this.options.ecmaVersion < 10) { this.unexpected(); } - clause.param = null; - this.enterScope(0); - } - clause.body = this.parseBlock(false); - this.exitScope(); - node.handler = this.finishNode(clause, "CatchClause"); - } - node.finalizer = this.eat(types$1._finally) ? this.parseBlock() : null; - if (!node.handler && !node.finalizer) - { this.raise(node.start, "Missing catch or finally clause"); } - return this.finishNode(node, "TryStatement") + this.next(); + node.block = this.parseBlock(); + node.handler = null; + if (this.type === types$1._catch) { + var clause = this.startNode(); + this.next(); + if (this.eat(types$1.parenL)) clause.param = this.parseCatchClauseParam(); + else { + if (this.options.ecmaVersion < 10) this.unexpected(); + clause.param = null; + this.enterScope(0); + } + clause.body = this.parseBlock(false); + this.exitScope(); + node.handler = this.finishNode(clause, "CatchClause"); + } + node.finalizer = this.eat(types$1._finally) ? this.parseBlock() : null; + if (!node.handler && !node.finalizer) this.raise(node.start, "Missing catch or finally clause"); + return this.finishNode(node, "TryStatement"); }; - pp$8.parseVarStatement = function(node, kind, allowMissingInitializer) { - this.next(); - this.parseVar(node, false, kind, allowMissingInitializer); - this.semicolon(); - return this.finishNode(node, "VariableDeclaration") + this.next(); + this.parseVar(node, false, kind, allowMissingInitializer); + this.semicolon(); + return this.finishNode(node, "VariableDeclaration"); }; - pp$8.parseWhileStatement = function(node) { - this.next(); - node.test = this.parseParenExpression(); - this.labels.push(loopLabel); - node.body = this.parseStatement("while"); - this.labels.pop(); - return this.finishNode(node, "WhileStatement") + this.next(); + node.test = this.parseParenExpression(); + this.labels.push(loopLabel); + node.body = this.parseStatement("while"); + this.labels.pop(); + return this.finishNode(node, "WhileStatement"); }; - pp$8.parseWithStatement = function(node) { - if (this.strict) { this.raise(this.start, "'with' in strict mode"); } - this.next(); - node.object = this.parseParenExpression(); - node.body = this.parseStatement("with"); - return this.finishNode(node, "WithStatement") + if (this.strict) this.raise(this.start, "'with' in strict mode"); + this.next(); + node.object = this.parseParenExpression(); + node.body = this.parseStatement("with"); + return this.finishNode(node, "WithStatement"); }; - pp$8.parseEmptyStatement = function(node) { - this.next(); - return this.finishNode(node, "EmptyStatement") + this.next(); + return this.finishNode(node, "EmptyStatement"); }; - pp$8.parseLabeledStatement = function(node, maybeName, expr, context) { - for (var i$1 = 0, list = this.labels; i$1 < list.length; i$1 += 1) - { - var label = list[i$1]; - - if (label.name === maybeName) - { this.raise(expr.start, "Label '" + maybeName + "' is already declared"); - } } - var kind = this.type.isLoop ? "loop" : this.type === types$1._switch ? "switch" : null; - for (var i = this.labels.length - 1; i >= 0; i--) { - var label$1 = this.labels[i]; - if (label$1.statementStart === node.start) { - // Update information about previous labels on this node - label$1.statementStart = this.start; - label$1.kind = kind; - } else { break } - } - this.labels.push({name: maybeName, kind: kind, statementStart: this.start}); - node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"); - this.labels.pop(); - node.label = expr; - return this.finishNode(node, "LabeledStatement") + for (var i$1 = 0, list$1 = this.labels; i$1 < list$1.length; i$1 += 1) { + var label = list$1[i$1]; + if (label.name === maybeName) this.raise(expr.start, "Label '" + maybeName + "' is already declared"); + } + var kind = this.type.isLoop ? "loop" : this.type === types$1._switch ? "switch" : null; + for (var i$2 = this.labels.length - 1; i$2 >= 0; i$2--) { + var label$1 = this.labels[i$2]; + if (label$1.statementStart === node.start) { + label$1.statementStart = this.start; + label$1.kind = kind; + } else break; + } + this.labels.push({ + name: maybeName, + kind, + statementStart: this.start + }); + node.body = this.parseStatement(context ? context.indexOf("label") === -1 ? context + "label" : context : "label"); + this.labels.pop(); + node.label = expr; + return this.finishNode(node, "LabeledStatement"); }; - pp$8.parseExpressionStatement = function(node, expr) { - node.expression = expr; - this.semicolon(); - return this.finishNode(node, "ExpressionStatement") + node.expression = expr; + this.semicolon(); + return this.finishNode(node, "ExpressionStatement"); }; - -// Parse a semicolon-enclosed block of statements, handling `"use -// strict"` declarations when `allowStrict` is true (used for -// function bodies). - pp$8.parseBlock = function(createNewLexicalScope, node, exitStrict) { - if ( createNewLexicalScope === void 0 ) createNewLexicalScope = true; - if ( node === void 0 ) node = this.startNode(); - - node.body = []; - this.expect(types$1.braceL); - if (createNewLexicalScope) { this.enterScope(0); } - while (this.type !== types$1.braceR) { - var stmt = this.parseStatement(null); - node.body.push(stmt); - } - if (exitStrict) { this.strict = false; } - this.next(); - if (createNewLexicalScope) { this.exitScope(); } - return this.finishNode(node, "BlockStatement") + if (createNewLexicalScope === void 0) createNewLexicalScope = true; + if (node === void 0) node = this.startNode(); + node.body = []; + this.expect(types$1.braceL); + if (createNewLexicalScope) this.enterScope(0); + while (this.type !== types$1.braceR) { + var stmt = this.parseStatement(null); + node.body.push(stmt); + } + if (exitStrict) this.strict = false; + this.next(); + if (createNewLexicalScope) this.exitScope(); + return this.finishNode(node, "BlockStatement"); }; - -// Parse a regular `for` loop. The disambiguation code in -// `parseStatement` will already have parsed the init statement or -// expression. - pp$8.parseFor = function(node, init) { - node.init = init; - this.expect(types$1.semi); - node.test = this.type === types$1.semi ? null : this.parseExpression(); - this.expect(types$1.semi); - node.update = this.type === types$1.parenR ? null : this.parseExpression(); - this.expect(types$1.parenR); - node.body = this.parseStatement("for"); - this.exitScope(); - this.labels.pop(); - return this.finishNode(node, "ForStatement") + node.init = init; + this.expect(types$1.semi); + node.test = this.type === types$1.semi ? null : this.parseExpression(); + this.expect(types$1.semi); + node.update = this.type === types$1.parenR ? null : this.parseExpression(); + this.expect(types$1.parenR); + node.body = this.parseStatement("for"); + this.exitScope(); + this.labels.pop(); + return this.finishNode(node, "ForStatement"); }; - -// Parse a `for`/`in` and `for`/`of` loop, which are almost -// same from parser's perspective. - pp$8.parseForIn = function(node, init) { - var isForIn = this.type === types$1._in; - this.next(); - - if ( - init.type === "VariableDeclaration" && - init.declarations[0].init != null && - ( - !isForIn || - this.options.ecmaVersion < 8 || - this.strict || - init.kind !== "var" || - init.declarations[0].id.type !== "Identifier" - ) - ) { - this.raise( - init.start, - ((isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer") - ); - } - node.left = init; - node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); - this.expect(types$1.parenR); - node.body = this.parseStatement("for"); - this.exitScope(); - this.labels.pop(); - return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement") + var isForIn = this.type === types$1._in; + this.next(); + if (init.type === "VariableDeclaration" && init.declarations[0].init != null && (!isForIn || this.options.ecmaVersion < 8 || this.strict || init.kind !== "var" || init.declarations[0].id.type !== "Identifier")) this.raise(init.start, (isForIn ? "for-in" : "for-of") + " loop variable declaration may not have an initializer"); + node.left = init; + node.right = isForIn ? this.parseExpression() : this.parseMaybeAssign(); + this.expect(types$1.parenR); + node.body = this.parseStatement("for"); + this.exitScope(); + this.labels.pop(); + return this.finishNode(node, isForIn ? "ForInStatement" : "ForOfStatement"); }; - -// Parse a list of variable declarations. - pp$8.parseVar = function(node, isFor, kind, allowMissingInitializer) { - node.declarations = []; - node.kind = kind; - for (;;) { - var decl = this.startNode(); - this.parseVarId(decl, kind); - if (this.eat(types$1.eq)) { - decl.init = this.parseMaybeAssign(isFor); - } else if (!allowMissingInitializer && kind === "const" && !(this.type === types$1._in || (this.options.ecmaVersion >= 6 && this.isContextual("of")))) { - this.unexpected(); - } else if (!allowMissingInitializer && decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) { - this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); - } else { - decl.init = null; - } - node.declarations.push(this.finishNode(decl, "VariableDeclarator")); - if (!this.eat(types$1.comma)) { break } - } - return node + node.declarations = []; + node.kind = kind; + for (;;) { + var decl = this.startNode(); + this.parseVarId(decl, kind); + if (this.eat(types$1.eq)) decl.init = this.parseMaybeAssign(isFor); + else if (!allowMissingInitializer && kind === "const" && !(this.type === types$1._in || this.options.ecmaVersion >= 6 && this.isContextual("of"))) this.unexpected(); + else if (!allowMissingInitializer && decl.id.type !== "Identifier" && !(isFor && (this.type === types$1._in || this.isContextual("of")))) this.raise(this.lastTokEnd, "Complex binding patterns require an initialization value"); + else decl.init = null; + node.declarations.push(this.finishNode(decl, "VariableDeclarator")); + if (!this.eat(types$1.comma)) break; + } + return node; }; - pp$8.parseVarId = function(decl, kind) { - decl.id = this.parseBindingAtom(); - this.checkLValPattern(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); + decl.id = this.parseBindingAtom(); + this.checkLValPattern(decl.id, kind === "var" ? BIND_VAR : BIND_LEXICAL, false); }; - var FUNC_STATEMENT = 1, FUNC_HANGING_STATEMENT = 2, FUNC_NULLABLE_ID = 4; - -// Parse a function declaration or literal (depending on the -// `statement & FUNC_STATEMENT`). - -// Remove `allowExpressionBody` for 7.0.0, as it is only called with false pp$8.parseFunction = function(node, statement, allowExpressionBody, isAsync, forInit) { - this.initFunction(node); - if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { - if (this.type === types$1.star && (statement & FUNC_HANGING_STATEMENT)) - { this.unexpected(); } - node.generator = this.eat(types$1.star); - } - if (this.options.ecmaVersion >= 8) - { node.async = !!isAsync; } - - if (statement & FUNC_STATEMENT) { - node.id = (statement & FUNC_NULLABLE_ID) && this.type !== types$1.name ? null : this.parseIdent(); - if (node.id && !(statement & FUNC_HANGING_STATEMENT)) - // If it is a regular function declaration in sloppy mode, then it is - // subject to Annex B semantics (BIND_FUNCTION). Otherwise, the binding - // mode depends on properties of the current scope (see - // treatFunctionsAsVar). - { this.checkLValSimple(node.id, (this.strict || node.generator || node.async) ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION); } - } - - var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - this.enterScope(functionFlags(node.async, node.generator)); - - if (!(statement & FUNC_STATEMENT)) - { node.id = this.type === types$1.name ? this.parseIdent() : null; } - - this.parseFunctionParams(node); - this.parseFunctionBody(node, allowExpressionBody, false, forInit); - - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.finishNode(node, (statement & FUNC_STATEMENT) ? "FunctionDeclaration" : "FunctionExpression") + this.initFunction(node); + if (this.options.ecmaVersion >= 9 || this.options.ecmaVersion >= 6 && !isAsync) { + if (this.type === types$1.star && statement & FUNC_HANGING_STATEMENT) this.unexpected(); + node.generator = this.eat(types$1.star); + } + if (this.options.ecmaVersion >= 8) node.async = !!isAsync; + if (statement & FUNC_STATEMENT) { + node.id = statement & FUNC_NULLABLE_ID && this.type !== types$1.name ? null : this.parseIdent(); + if (node.id && !(statement & FUNC_HANGING_STATEMENT)) this.checkLValSimple(node.id, this.strict || node.generator || node.async ? this.treatFunctionsAsVar ? BIND_VAR : BIND_LEXICAL : BIND_FUNCTION); + } + var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + this.enterScope(functionFlags(node.async, node.generator)); + if (!(statement & FUNC_STATEMENT)) node.id = this.type === types$1.name ? this.parseIdent() : null; + this.parseFunctionParams(node); + this.parseFunctionBody(node, allowExpressionBody, false, forInit); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, statement & FUNC_STATEMENT ? "FunctionDeclaration" : "FunctionExpression"); }; - pp$8.parseFunctionParams = function(node) { - this.expect(types$1.parenL); - node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); - this.checkYieldAwaitInDefaultParams(); + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); + this.checkYieldAwaitInDefaultParams(); }; - -// Parse a class declaration or literal (depending on the -// `isStatement` parameter). - pp$8.parseClass = function(node, isStatement) { - this.next(); - - // ecma-262 14.6 Class Definitions - // A class definition is always strict mode code. - var oldStrict = this.strict; - this.strict = true; - - this.parseClassId(node, isStatement); - this.parseClassSuper(node); - var privateNameMap = this.enterClassBody(); - var classBody = this.startNode(); - var hadConstructor = false; - classBody.body = []; - this.expect(types$1.braceL); - while (this.type !== types$1.braceR) { - var element = this.parseClassElement(node.superClass !== null); - if (element) { - classBody.body.push(element); - if (element.type === "MethodDefinition" && element.kind === "constructor") { - if (hadConstructor) { this.raiseRecoverable(element.start, "Duplicate constructor in the same class"); } - hadConstructor = true; - } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) { - this.raiseRecoverable(element.key.start, ("Identifier '#" + (element.key.name) + "' has already been declared")); - } - } - } - this.strict = oldStrict; - this.next(); - node.body = this.finishNode(classBody, "ClassBody"); - this.exitClassBody(); - return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression") + this.next(); + var oldStrict = this.strict; + this.strict = true; + this.parseClassId(node, isStatement); + this.parseClassSuper(node); + var privateNameMap = this.enterClassBody(); + var classBody = this.startNode(); + var hadConstructor = false; + classBody.body = []; + this.expect(types$1.braceL); + while (this.type !== types$1.braceR) { + var element = this.parseClassElement(node.superClass !== null); + if (element) { + classBody.body.push(element); + if (element.type === "MethodDefinition" && element.kind === "constructor") { + if (hadConstructor) this.raiseRecoverable(element.start, "Duplicate constructor in the same class"); + hadConstructor = true; + } else if (element.key && element.key.type === "PrivateIdentifier" && isPrivateNameConflicted(privateNameMap, element)) this.raiseRecoverable(element.key.start, "Identifier '#" + element.key.name + "' has already been declared"); + } + } + this.strict = oldStrict; + this.next(); + node.body = this.finishNode(classBody, "ClassBody"); + this.exitClassBody(); + return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression"); }; - pp$8.parseClassElement = function(constructorAllowsSuper) { - if (this.eat(types$1.semi)) { return null } - - var ecmaVersion = this.options.ecmaVersion; - var node = this.startNode(); - var keyName = ""; - var isGenerator = false; - var isAsync = false; - var kind = "method"; - var isStatic = false; - - if (this.eatContextual("static")) { - // Parse static init block - if (ecmaVersion >= 13 && this.eat(types$1.braceL)) { - this.parseClassStaticBlock(node); - return node - } - if (this.isClassElementNameStart() || this.type === types$1.star) { - isStatic = true; - } else { - keyName = "static"; - } - } - node.static = isStatic; - if (!keyName && ecmaVersion >= 8 && this.eatContextual("async")) { - if ((this.isClassElementNameStart() || this.type === types$1.star) && !this.canInsertSemicolon()) { - isAsync = true; - } else { - keyName = "async"; - } - } - if (!keyName && (ecmaVersion >= 9 || !isAsync) && this.eat(types$1.star)) { - isGenerator = true; - } - if (!keyName && !isAsync && !isGenerator) { - var lastValue = this.value; - if (this.eatContextual("get") || this.eatContextual("set")) { - if (this.isClassElementNameStart()) { - kind = lastValue; - } else { - keyName = lastValue; - } - } - } - - // Parse element name - if (keyName) { - // 'async', 'get', 'set', or 'static' were not a keyword contextually. - // The last token is any of those. Make it the element name. - node.computed = false; - node.key = this.startNodeAt(this.lastTokStart, this.lastTokStartLoc); - node.key.name = keyName; - this.finishNode(node.key, "Identifier"); - } else { - this.parseClassElementName(node); - } - - // Parse element value - if (ecmaVersion < 13 || this.type === types$1.parenL || kind !== "method" || isGenerator || isAsync) { - var isConstructor = !node.static && checkKeyName(node, "constructor"); - var allowsDirectSuper = isConstructor && constructorAllowsSuper; - // Couldn't move this check into the 'parseClassMethod' method for backward compatibility. - if (isConstructor && kind !== "method") { this.raise(node.key.start, "Constructor can't have get/set modifier"); } - node.kind = isConstructor ? "constructor" : kind; - this.parseClassMethod(node, isGenerator, isAsync, allowsDirectSuper); - } else { - this.parseClassField(node); - } - - return node + if (this.eat(types$1.semi)) return null; + var ecmaVersion$1 = this.options.ecmaVersion; + var node = this.startNode(); + var keyName = ""; + var isGenerator = false; + var isAsync = false; + var kind = "method"; + var isStatic = false; + if (this.eatContextual("static")) { + if (ecmaVersion$1 >= 13 && this.eat(types$1.braceL)) { + this.parseClassStaticBlock(node); + return node; + } + if (this.isClassElementNameStart() || this.type === types$1.star) isStatic = true; + else keyName = "static"; + } + node.static = isStatic; + if (!keyName && ecmaVersion$1 >= 8 && this.eatContextual("async")) if ((this.isClassElementNameStart() || this.type === types$1.star) && !this.canInsertSemicolon()) isAsync = true; + else keyName = "async"; + if (!keyName && (ecmaVersion$1 >= 9 || !isAsync) && this.eat(types$1.star)) isGenerator = true; + if (!keyName && !isAsync && !isGenerator) { + var lastValue = this.value; + if (this.eatContextual("get") || this.eatContextual("set")) if (this.isClassElementNameStart()) kind = lastValue; + else keyName = lastValue; + } + if (keyName) { + node.computed = false; + node.key = this.startNodeAt(this.lastTokStart, this.lastTokStartLoc); + node.key.name = keyName; + this.finishNode(node.key, "Identifier"); + } else this.parseClassElementName(node); + if (ecmaVersion$1 < 13 || this.type === types$1.parenL || kind !== "method" || isGenerator || isAsync) { + var isConstructor = !node.static && checkKeyName(node, "constructor"); + var allowsDirectSuper = isConstructor && constructorAllowsSuper; + if (isConstructor && kind !== "method") this.raise(node.key.start, "Constructor can't have get/set modifier"); + node.kind = isConstructor ? "constructor" : kind; + this.parseClassMethod(node, isGenerator, isAsync, allowsDirectSuper); + } else this.parseClassField(node); + return node; }; - pp$8.isClassElementNameStart = function() { - return ( - this.type === types$1.name || - this.type === types$1.privateId || - this.type === types$1.num || - this.type === types$1.string || - this.type === types$1.bracketL || - this.type.keyword - ) + return this.type === types$1.name || this.type === types$1.privateId || this.type === types$1.num || this.type === types$1.string || this.type === types$1.bracketL || this.type.keyword; }; - pp$8.parseClassElementName = function(element) { - if (this.type === types$1.privateId) { - if (this.value === "constructor") { - this.raise(this.start, "Classes can't have an element named '#constructor'"); - } - element.computed = false; - element.key = this.parsePrivateIdent(); - } else { - this.parsePropertyName(element); - } + if (this.type === types$1.privateId) { + if (this.value === "constructor") this.raise(this.start, "Classes can't have an element named '#constructor'"); + element.computed = false; + element.key = this.parsePrivateIdent(); + } else this.parsePropertyName(element); }; - pp$8.parseClassMethod = function(method, isGenerator, isAsync, allowsDirectSuper) { - // Check key and flags - var key = method.key; - if (method.kind === "constructor") { - if (isGenerator) { this.raise(key.start, "Constructor can't be a generator"); } - if (isAsync) { this.raise(key.start, "Constructor can't be an async method"); } - } else if (method.static && checkKeyName(method, "prototype")) { - this.raise(key.start, "Classes may not have a static property named prototype"); - } - - // Parse value - var value = method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper); - - // Check value - if (method.kind === "get" && value.params.length !== 0) - { this.raiseRecoverable(value.start, "getter should have no params"); } - if (method.kind === "set" && value.params.length !== 1) - { this.raiseRecoverable(value.start, "setter should have exactly one param"); } - if (method.kind === "set" && value.params[0].type === "RestElement") - { this.raiseRecoverable(value.params[0].start, "Setter cannot use rest params"); } - - return this.finishNode(method, "MethodDefinition") + var key = method.key; + if (method.kind === "constructor") { + if (isGenerator) this.raise(key.start, "Constructor can't be a generator"); + if (isAsync) this.raise(key.start, "Constructor can't be an async method"); + } else if (method.static && checkKeyName(method, "prototype")) this.raise(key.start, "Classes may not have a static property named prototype"); + var value = method.value = this.parseMethod(isGenerator, isAsync, allowsDirectSuper); + if (method.kind === "get" && value.params.length !== 0) this.raiseRecoverable(value.start, "getter should have no params"); + if (method.kind === "set" && value.params.length !== 1) this.raiseRecoverable(value.start, "setter should have exactly one param"); + if (method.kind === "set" && value.params[0].type === "RestElement") this.raiseRecoverable(value.params[0].start, "Setter cannot use rest params"); + return this.finishNode(method, "MethodDefinition"); }; - pp$8.parseClassField = function(field) { - if (checkKeyName(field, "constructor")) { - this.raise(field.key.start, "Classes can't have a field named 'constructor'"); - } else if (field.static && checkKeyName(field, "prototype")) { - this.raise(field.key.start, "Classes can't have a static field named 'prototype'"); - } - - if (this.eat(types$1.eq)) { - // To raise SyntaxError if 'arguments' exists in the initializer. - var scope = this.currentThisScope(); - var inClassFieldInit = scope.inClassFieldInit; - scope.inClassFieldInit = true; - field.value = this.parseMaybeAssign(); - scope.inClassFieldInit = inClassFieldInit; - } else { - field.value = null; - } - this.semicolon(); - - return this.finishNode(field, "PropertyDefinition") + if (checkKeyName(field, "constructor")) this.raise(field.key.start, "Classes can't have a field named 'constructor'"); + else if (field.static && checkKeyName(field, "prototype")) this.raise(field.key.start, "Classes can't have a static field named 'prototype'"); + if (this.eat(types$1.eq)) { + var scope = this.currentThisScope(); + var inClassFieldInit = scope.inClassFieldInit; + scope.inClassFieldInit = true; + field.value = this.parseMaybeAssign(); + scope.inClassFieldInit = inClassFieldInit; + } else field.value = null; + this.semicolon(); + return this.finishNode(field, "PropertyDefinition"); }; - pp$8.parseClassStaticBlock = function(node) { - node.body = []; - - var oldLabels = this.labels; - this.labels = []; - this.enterScope(SCOPE_CLASS_STATIC_BLOCK | SCOPE_SUPER); - while (this.type !== types$1.braceR) { - var stmt = this.parseStatement(null); - node.body.push(stmt); - } - this.next(); - this.exitScope(); - this.labels = oldLabels; - - return this.finishNode(node, "StaticBlock") + node.body = []; + var oldLabels = this.labels; + this.labels = []; + this.enterScope(SCOPE_CLASS_STATIC_BLOCK | SCOPE_SUPER); + while (this.type !== types$1.braceR) { + var stmt = this.parseStatement(null); + node.body.push(stmt); + } + this.next(); + this.exitScope(); + this.labels = oldLabels; + return this.finishNode(node, "StaticBlock"); }; - pp$8.parseClassId = function(node, isStatement) { - if (this.type === types$1.name) { - node.id = this.parseIdent(); - if (isStatement) - { this.checkLValSimple(node.id, BIND_LEXICAL, false); } - } else { - if (isStatement === true) - { this.unexpected(); } - node.id = null; - } + if (this.type === types$1.name) { + node.id = this.parseIdent(); + if (isStatement) this.checkLValSimple(node.id, BIND_LEXICAL, false); + } else { + if (isStatement === true) this.unexpected(); + node.id = null; + } }; - pp$8.parseClassSuper = function(node) { - node.superClass = this.eat(types$1._extends) ? this.parseExprSubscripts(null, false) : null; + node.superClass = this.eat(types$1._extends) ? this.parseExprSubscripts(null, false) : null; }; - pp$8.enterClassBody = function() { - var element = {declared: Object.create(null), used: []}; - this.privateNameStack.push(element); - return element.declared + var element = { + declared: Object.create(null), + used: [] + }; + this.privateNameStack.push(element); + return element.declared; }; - pp$8.exitClassBody = function() { - var ref = this.privateNameStack.pop(); - var declared = ref.declared; - var used = ref.used; - if (!this.options.checkPrivateFields) { return } - var len = this.privateNameStack.length; - var parent = len === 0 ? null : this.privateNameStack[len - 1]; - for (var i = 0; i < used.length; ++i) { - var id = used[i]; - if (!hasOwn(declared, id.name)) { - if (parent) { - parent.used.push(id); - } else { - this.raiseRecoverable(id.start, ("Private field '#" + (id.name) + "' must be declared in an enclosing class")); - } - } - } + var ref$1 = this.privateNameStack.pop(); + var declared = ref$1.declared; + var used = ref$1.used; + if (!this.options.checkPrivateFields) return; + var len = this.privateNameStack.length; + var parent = len === 0 ? null : this.privateNameStack[len - 1]; + for (var i$1 = 0; i$1 < used.length; ++i$1) { + var id = used[i$1]; + if (!hasOwn(declared, id.name)) if (parent) parent.used.push(id); + else this.raiseRecoverable(id.start, "Private field '#" + id.name + "' must be declared in an enclosing class"); + } }; - function isPrivateNameConflicted(privateNameMap, element) { - var name = element.key.name; - var curr = privateNameMap[name]; - - var next = "true"; - if (element.type === "MethodDefinition" && (element.kind === "get" || element.kind === "set")) { - next = (element.static ? "s" : "i") + element.kind; - } - - // `class { get #a(){}; static set #a(_){} }` is also conflict. - if ( - curr === "iget" && next === "iset" || - curr === "iset" && next === "iget" || - curr === "sget" && next === "sset" || - curr === "sset" && next === "sget" - ) { - privateNameMap[name] = "true"; - return false - } else if (!curr) { - privateNameMap[name] = next; - return false - } else { - return true - } + var name = element.key.name; + var curr = privateNameMap[name]; + var next = "true"; + if (element.type === "MethodDefinition" && (element.kind === "get" || element.kind === "set")) next = (element.static ? "s" : "i") + element.kind; + if (curr === "iget" && next === "iset" || curr === "iset" && next === "iget" || curr === "sget" && next === "sset" || curr === "sset" && next === "sget") { + privateNameMap[name] = "true"; + return false; + } else if (!curr) { + privateNameMap[name] = next; + return false; + } else return true; } - function checkKeyName(node, name) { - var computed = node.computed; - var key = node.key; - return !computed && ( - key.type === "Identifier" && key.name === name || - key.type === "Literal" && key.value === name - ) + var computed = node.computed; + var key = node.key; + return !computed && (key.type === "Identifier" && key.name === name || key.type === "Literal" && key.value === name); } - -// Parses module export declaration. - -pp$8.parseExportAllDeclaration = function(node, exports) { - if (this.options.ecmaVersion >= 11) { - if (this.eatContextual("as")) { - node.exported = this.parseModuleExportName(); - this.checkExport(exports, node.exported, this.lastTokStart); - } else { - node.exported = null; - } - } - this.expectContextual("from"); - if (this.type !== types$1.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - if (this.options.ecmaVersion >= 16) - { node.attributes = this.parseWithClause(); } - this.semicolon(); - return this.finishNode(node, "ExportAllDeclaration") -}; - -pp$8.parseExport = function(node, exports) { - this.next(); - // export * from '...' - if (this.eat(types$1.star)) { - return this.parseExportAllDeclaration(node, exports) - } - if (this.eat(types$1._default)) { // export default ... - this.checkExport(exports, "default", this.lastTokStart); - node.declaration = this.parseExportDefaultDeclaration(); - return this.finishNode(node, "ExportDefaultDeclaration") - } - // export var|const|let|function|class ... - if (this.shouldParseExportStatement()) { - node.declaration = this.parseExportDeclaration(node); - if (node.declaration.type === "VariableDeclaration") - { this.checkVariableExport(exports, node.declaration.declarations); } - else - { this.checkExport(exports, node.declaration.id, node.declaration.id.start); } - node.specifiers = []; - node.source = null; - } else { // export { x, y as z } [from '...'] - node.declaration = null; - node.specifiers = this.parseExportSpecifiers(exports); - if (this.eatContextual("from")) { - if (this.type !== types$1.string) { this.unexpected(); } - node.source = this.parseExprAtom(); - if (this.options.ecmaVersion >= 16) - { node.attributes = this.parseWithClause(); } - } else { - for (var i = 0, list = node.specifiers; i < list.length; i += 1) { - // check for keywords used as local names - var spec = list[i]; - - this.checkUnreserved(spec.local); - // check if export is defined - this.checkLocalExport(spec.local); - - if (spec.local.type === "Literal") { - this.raise(spec.local.start, "A string literal cannot be used as an exported binding without `from`."); - } - } - - node.source = null; - } - this.semicolon(); - } - return this.finishNode(node, "ExportNamedDeclaration") +pp$8.parseExportAllDeclaration = function(node, exports$1) { + if (this.options.ecmaVersion >= 11) if (this.eatContextual("as")) { + node.exported = this.parseModuleExportName(); + this.checkExport(exports$1, node.exported, this.lastTokStart); + } else node.exported = null; + this.expectContextual("from"); + if (this.type !== types$1.string) this.unexpected(); + node.source = this.parseExprAtom(); + if (this.options.ecmaVersion >= 16) node.attributes = this.parseWithClause(); + this.semicolon(); + return this.finishNode(node, "ExportAllDeclaration"); +}; +pp$8.parseExport = function(node, exports$1) { + this.next(); + if (this.eat(types$1.star)) return this.parseExportAllDeclaration(node, exports$1); + if (this.eat(types$1._default)) { + this.checkExport(exports$1, "default", this.lastTokStart); + node.declaration = this.parseExportDefaultDeclaration(); + return this.finishNode(node, "ExportDefaultDeclaration"); + } + if (this.shouldParseExportStatement()) { + node.declaration = this.parseExportDeclaration(node); + if (node.declaration.type === "VariableDeclaration") this.checkVariableExport(exports$1, node.declaration.declarations); + else this.checkExport(exports$1, node.declaration.id, node.declaration.id.start); + node.specifiers = []; + node.source = null; + } else { + node.declaration = null; + node.specifiers = this.parseExportSpecifiers(exports$1); + if (this.eatContextual("from")) { + if (this.type !== types$1.string) this.unexpected(); + node.source = this.parseExprAtom(); + if (this.options.ecmaVersion >= 16) node.attributes = this.parseWithClause(); + } else { + for (var i$1 = 0, list$1 = node.specifiers; i$1 < list$1.length; i$1 += 1) { + var spec = list$1[i$1]; + this.checkUnreserved(spec.local); + this.checkLocalExport(spec.local); + if (spec.local.type === "Literal") this.raise(spec.local.start, "A string literal cannot be used as an exported binding without `from`."); + } + node.source = null; + } + this.semicolon(); + } + return this.finishNode(node, "ExportNamedDeclaration"); }; - pp$8.parseExportDeclaration = function(node) { - return this.parseStatement(null) + return this.parseStatement(null); }; - pp$8.parseExportDefaultDeclaration = function() { - var isAsync; - if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { - var fNode = this.startNode(); - this.next(); - if (isAsync) { this.next(); } - return this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync) - } else if (this.type === types$1._class) { - var cNode = this.startNode(); - return this.parseClass(cNode, "nullableID") - } else { - var declaration = this.parseMaybeAssign(); - this.semicolon(); - return declaration - } -}; - -pp$8.checkExport = function(exports, name, pos) { - if (!exports) { return } - if (typeof name !== "string") - { name = name.type === "Identifier" ? name.name : name.value; } - if (hasOwn(exports, name)) - { this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); } - exports[name] = true; -}; - -pp$8.checkPatternExport = function(exports, pat) { - var type = pat.type; - if (type === "Identifier") - { this.checkExport(exports, pat, pat.start); } - else if (type === "ObjectPattern") - { for (var i = 0, list = pat.properties; i < list.length; i += 1) - { - var prop = list[i]; - - this.checkPatternExport(exports, prop); - } } - else if (type === "ArrayPattern") - { for (var i$1 = 0, list$1 = pat.elements; i$1 < list$1.length; i$1 += 1) { - var elt = list$1[i$1]; - - if (elt) { this.checkPatternExport(exports, elt); } - } } - else if (type === "Property") - { this.checkPatternExport(exports, pat.value); } - else if (type === "AssignmentPattern") - { this.checkPatternExport(exports, pat.left); } - else if (type === "RestElement") - { this.checkPatternExport(exports, pat.argument); } + var isAsync; + if (this.type === types$1._function || (isAsync = this.isAsyncFunction())) { + var fNode = this.startNode(); + this.next(); + if (isAsync) this.next(); + return this.parseFunction(fNode, FUNC_STATEMENT | FUNC_NULLABLE_ID, false, isAsync); + } else if (this.type === types$1._class) { + var cNode = this.startNode(); + return this.parseClass(cNode, "nullableID"); + } else { + var declaration = this.parseMaybeAssign(); + this.semicolon(); + return declaration; + } +}; +pp$8.checkExport = function(exports$1, name, pos) { + if (!exports$1) return; + if (typeof name !== "string") name = name.type === "Identifier" ? name.name : name.value; + if (hasOwn(exports$1, name)) this.raiseRecoverable(pos, "Duplicate export '" + name + "'"); + exports$1[name] = true; +}; +pp$8.checkPatternExport = function(exports$1, pat) { + var type = pat.type; + if (type === "Identifier") this.checkExport(exports$1, pat, pat.start); + else if (type === "ObjectPattern") for (var i$1 = 0, list$1 = pat.properties; i$1 < list$1.length; i$1 += 1) { + var prop = list$1[i$1]; + this.checkPatternExport(exports$1, prop); + } + else if (type === "ArrayPattern") for (var i$1$1 = 0, list$1$1 = pat.elements; i$1$1 < list$1$1.length; i$1$1 += 1) { + var elt = list$1$1[i$1$1]; + if (elt) this.checkPatternExport(exports$1, elt); + } + else if (type === "Property") this.checkPatternExport(exports$1, pat.value); + else if (type === "AssignmentPattern") this.checkPatternExport(exports$1, pat.left); + else if (type === "RestElement") this.checkPatternExport(exports$1, pat.argument); +}; +pp$8.checkVariableExport = function(exports$1, decls) { + if (!exports$1) return; + for (var i$1 = 0, list$1 = decls; i$1 < list$1.length; i$1 += 1) { + var decl = list$1[i$1]; + this.checkPatternExport(exports$1, decl.id); + } }; - -pp$8.checkVariableExport = function(exports, decls) { - if (!exports) { return } - for (var i = 0, list = decls; i < list.length; i += 1) - { - var decl = list[i]; - - this.checkPatternExport(exports, decl.id); - } -}; - pp$8.shouldParseExportStatement = function() { - return this.type.keyword === "var" || - this.type.keyword === "const" || - this.type.keyword === "class" || - this.type.keyword === "function" || - this.isLet() || - this.isAsyncFunction() -}; - -// Parses a comma-separated list of module exports. - -pp$8.parseExportSpecifier = function(exports) { - var node = this.startNode(); - node.local = this.parseModuleExportName(); - - node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; - this.checkExport( - exports, - node.exported, - node.exported.start - ); - - return this.finishNode(node, "ExportSpecifier") + return this.type.keyword === "var" || this.type.keyword === "const" || this.type.keyword === "class" || this.type.keyword === "function" || this.isLet() || this.isAsyncFunction(); +}; +pp$8.parseExportSpecifier = function(exports$1) { + var node = this.startNode(); + node.local = this.parseModuleExportName(); + node.exported = this.eatContextual("as") ? this.parseModuleExportName() : node.local; + this.checkExport(exports$1, node.exported, node.exported.start); + return this.finishNode(node, "ExportSpecifier"); +}; +pp$8.parseExportSpecifiers = function(exports$1) { + var nodes = [], first = true; + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) break; + } else first = false; + nodes.push(this.parseExportSpecifier(exports$1)); + } + return nodes; }; - -pp$8.parseExportSpecifiers = function(exports) { - var nodes = [], first = true; - // export { x, y as z } [from '...'] - this.expect(types$1.braceL); - while (!this.eat(types$1.braceR)) { - if (!first) { - this.expect(types$1.comma); - if (this.afterTrailingComma(types$1.braceR)) { break } - } else { first = false; } - - nodes.push(this.parseExportSpecifier(exports)); - } - return nodes -}; - -// Parses import declaration. - pp$8.parseImport = function(node) { - this.next(); - - // import '...' - if (this.type === types$1.string) { - node.specifiers = empty$1; - node.source = this.parseExprAtom(); - } else { - node.specifiers = this.parseImportSpecifiers(); - this.expectContextual("from"); - node.source = this.type === types$1.string ? this.parseExprAtom() : this.unexpected(); - } - if (this.options.ecmaVersion >= 16) - { node.attributes = this.parseWithClause(); } - this.semicolon(); - return this.finishNode(node, "ImportDeclaration") + this.next(); + if (this.type === types$1.string) { + node.specifiers = empty$1; + node.source = this.parseExprAtom(); + } else { + node.specifiers = this.parseImportSpecifiers(); + this.expectContextual("from"); + node.source = this.type === types$1.string ? this.parseExprAtom() : this.unexpected(); + } + if (this.options.ecmaVersion >= 16) node.attributes = this.parseWithClause(); + this.semicolon(); + return this.finishNode(node, "ImportDeclaration"); }; - -// Parses a comma-separated list of module imports. - pp$8.parseImportSpecifier = function() { - var node = this.startNode(); - node.imported = this.parseModuleExportName(); - - if (this.eatContextual("as")) { - node.local = this.parseIdent(); - } else { - this.checkUnreserved(node.imported); - node.local = node.imported; - } - this.checkLValSimple(node.local, BIND_LEXICAL); - - return this.finishNode(node, "ImportSpecifier") + var node = this.startNode(); + node.imported = this.parseModuleExportName(); + if (this.eatContextual("as")) node.local = this.parseIdent(); + else { + this.checkUnreserved(node.imported); + node.local = node.imported; + } + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportSpecifier"); }; - pp$8.parseImportDefaultSpecifier = function() { - // import defaultObj, { x, y as z } from '...' - var node = this.startNode(); - node.local = this.parseIdent(); - this.checkLValSimple(node.local, BIND_LEXICAL); - return this.finishNode(node, "ImportDefaultSpecifier") + var node = this.startNode(); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportDefaultSpecifier"); }; - pp$8.parseImportNamespaceSpecifier = function() { - var node = this.startNode(); - this.next(); - this.expectContextual("as"); - node.local = this.parseIdent(); - this.checkLValSimple(node.local, BIND_LEXICAL); - return this.finishNode(node, "ImportNamespaceSpecifier") + var node = this.startNode(); + this.next(); + this.expectContextual("as"); + node.local = this.parseIdent(); + this.checkLValSimple(node.local, BIND_LEXICAL); + return this.finishNode(node, "ImportNamespaceSpecifier"); }; - pp$8.parseImportSpecifiers = function() { - var nodes = [], first = true; - if (this.type === types$1.name) { - nodes.push(this.parseImportDefaultSpecifier()); - if (!this.eat(types$1.comma)) { return nodes } - } - if (this.type === types$1.star) { - nodes.push(this.parseImportNamespaceSpecifier()); - return nodes - } - this.expect(types$1.braceL); - while (!this.eat(types$1.braceR)) { - if (!first) { - this.expect(types$1.comma); - if (this.afterTrailingComma(types$1.braceR)) { break } - } else { first = false; } - - nodes.push(this.parseImportSpecifier()); - } - return nodes + var nodes = [], first = true; + if (this.type === types$1.name) { + nodes.push(this.parseImportDefaultSpecifier()); + if (!this.eat(types$1.comma)) return nodes; + } + if (this.type === types$1.star) { + nodes.push(this.parseImportNamespaceSpecifier()); + return nodes; + } + this.expect(types$1.braceL); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) break; + } else first = false; + nodes.push(this.parseImportSpecifier()); + } + return nodes; }; - pp$8.parseWithClause = function() { - var nodes = []; - if (!this.eat(types$1._with)) { - return nodes - } - this.expect(types$1.braceL); - var attributeKeys = {}; - var first = true; - while (!this.eat(types$1.braceR)) { - if (!first) { - this.expect(types$1.comma); - if (this.afterTrailingComma(types$1.braceR)) { break } - } else { first = false; } - - var attr = this.parseImportAttribute(); - var keyName = attr.key.type === "Identifier" ? attr.key.name : attr.key.value; - if (hasOwn(attributeKeys, keyName)) - { this.raiseRecoverable(attr.key.start, "Duplicate attribute key '" + keyName + "'"); } - attributeKeys[keyName] = true; - nodes.push(attr); - } - return nodes + var nodes = []; + if (!this.eat(types$1._with)) return nodes; + this.expect(types$1.braceL); + var attributeKeys = {}; + var first = true; + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.afterTrailingComma(types$1.braceR)) break; + } else first = false; + var attr = this.parseImportAttribute(); + var keyName = attr.key.type === "Identifier" ? attr.key.name : attr.key.value; + if (hasOwn(attributeKeys, keyName)) this.raiseRecoverable(attr.key.start, "Duplicate attribute key '" + keyName + "'"); + attributeKeys[keyName] = true; + nodes.push(attr); + } + return nodes; }; - pp$8.parseImportAttribute = function() { - var node = this.startNode(); - node.key = this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never"); - this.expect(types$1.colon); - if (this.type !== types$1.string) { - this.unexpected(); - } - node.value = this.parseExprAtom(); - return this.finishNode(node, "ImportAttribute") + var node = this.startNode(); + node.key = this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never"); + this.expect(types$1.colon); + if (this.type !== types$1.string) this.unexpected(); + node.value = this.parseExprAtom(); + return this.finishNode(node, "ImportAttribute"); }; - pp$8.parseModuleExportName = function() { - if (this.options.ecmaVersion >= 13 && this.type === types$1.string) { - var stringLiteral = this.parseLiteral(this.value); - if (loneSurrogate.test(stringLiteral.value)) { - this.raise(stringLiteral.start, "An export name cannot include a lone surrogate."); - } - return stringLiteral - } - return this.parseIdent(true) + if (this.options.ecmaVersion >= 13 && this.type === types$1.string) { + var stringLiteral = this.parseLiteral(this.value); + if (loneSurrogate.test(stringLiteral.value)) this.raise(stringLiteral.start, "An export name cannot include a lone surrogate."); + return stringLiteral; + } + return this.parseIdent(true); }; - -// Set `ExpressionStatement#directive` property for directive prologues. pp$8.adaptDirectivePrologue = function(statements) { - for (var i = 0; i < statements.length && this.isDirectiveCandidate(statements[i]); ++i) { - statements[i].directive = statements[i].expression.raw.slice(1, -1); - } + for (var i$1 = 0; i$1 < statements.length && this.isDirectiveCandidate(statements[i$1]); ++i$1) statements[i$1].directive = statements[i$1].expression.raw.slice(1, -1); }; pp$8.isDirectiveCandidate = function(statement) { - return ( - this.options.ecmaVersion >= 5 && - statement.type === "ExpressionStatement" && - statement.expression.type === "Literal" && - typeof statement.expression.value === "string" && - // Reject parenthesized strings. - (this.input[statement.start] === "\"" || this.input[statement.start] === "'") - ) + return this.options.ecmaVersion >= 5 && statement.type === "ExpressionStatement" && statement.expression.type === "Literal" && typeof statement.expression.value === "string" && (this.input[statement.start] === "\"" || this.input[statement.start] === "'"); }; - var pp$7 = Parser.prototype; - -// Convert existing expression atom to assignable pattern -// if possible. - pp$7.toAssignable = function(node, isBinding, refDestructuringErrors) { - if (this.options.ecmaVersion >= 6 && node) { - switch (node.type) { - case "Identifier": - if (this.inAsync && node.name === "await") - { this.raise(node.start, "Cannot use 'await' as identifier inside an async function"); } - break - - case "ObjectPattern": - case "ArrayPattern": - case "AssignmentPattern": - case "RestElement": - break - - case "ObjectExpression": - node.type = "ObjectPattern"; - if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } - for (var i = 0, list = node.properties; i < list.length; i += 1) { - var prop = list[i]; - - this.toAssignable(prop, isBinding); - // Early error: - // AssignmentRestProperty[Yield, Await] : - // `...` DestructuringAssignmentTarget[Yield, Await] - // - // It is a Syntax Error if |DestructuringAssignmentTarget| is an |ArrayLiteral| or an |ObjectLiteral|. - if ( - prop.type === "RestElement" && - (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern") - ) { - this.raise(prop.argument.start, "Unexpected token"); - } - } - break - - case "Property": - // AssignmentProperty has type === "Property" - if (node.kind !== "init") { this.raise(node.key.start, "Object pattern can't contain getter or setter"); } - this.toAssignable(node.value, isBinding); - break - - case "ArrayExpression": - node.type = "ArrayPattern"; - if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } - this.toAssignableList(node.elements, isBinding); - break - - case "SpreadElement": - node.type = "RestElement"; - this.toAssignable(node.argument, isBinding); - if (node.argument.type === "AssignmentPattern") - { this.raise(node.argument.start, "Rest elements cannot have a default value"); } - break - - case "AssignmentExpression": - if (node.operator !== "=") { this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); } - node.type = "AssignmentPattern"; - delete node.operator; - this.toAssignable(node.left, isBinding); - break - - case "ParenthesizedExpression": - this.toAssignable(node.expression, isBinding, refDestructuringErrors); - break - - case "ChainExpression": - this.raiseRecoverable(node.start, "Optional chaining cannot appear in left-hand side"); - break - - case "MemberExpression": - if (!isBinding) { break } - - default: - this.raise(node.start, "Assigning to rvalue"); - } - } else if (refDestructuringErrors) { this.checkPatternErrors(refDestructuringErrors, true); } - return node + if (this.options.ecmaVersion >= 6 && node) switch (node.type) { + case "Identifier": + if (this.inAsync && node.name === "await") this.raise(node.start, "Cannot use 'await' as identifier inside an async function"); + break; + case "ObjectPattern": + case "ArrayPattern": + case "AssignmentPattern": + case "RestElement": break; + case "ObjectExpression": + node.type = "ObjectPattern"; + if (refDestructuringErrors) this.checkPatternErrors(refDestructuringErrors, true); + for (var i$1 = 0, list$1 = node.properties; i$1 < list$1.length; i$1 += 1) { + var prop = list$1[i$1]; + this.toAssignable(prop, isBinding); + if (prop.type === "RestElement" && (prop.argument.type === "ArrayPattern" || prop.argument.type === "ObjectPattern")) this.raise(prop.argument.start, "Unexpected token"); + } + break; + case "Property": + if (node.kind !== "init") this.raise(node.key.start, "Object pattern can't contain getter or setter"); + this.toAssignable(node.value, isBinding); + break; + case "ArrayExpression": + node.type = "ArrayPattern"; + if (refDestructuringErrors) this.checkPatternErrors(refDestructuringErrors, true); + this.toAssignableList(node.elements, isBinding); + break; + case "SpreadElement": + node.type = "RestElement"; + this.toAssignable(node.argument, isBinding); + if (node.argument.type === "AssignmentPattern") this.raise(node.argument.start, "Rest elements cannot have a default value"); + break; + case "AssignmentExpression": + if (node.operator !== "=") this.raise(node.left.end, "Only '=' operator can be used for specifying default value."); + node.type = "AssignmentPattern"; + delete node.operator; + this.toAssignable(node.left, isBinding); + break; + case "ParenthesizedExpression": + this.toAssignable(node.expression, isBinding, refDestructuringErrors); + break; + case "ChainExpression": + this.raiseRecoverable(node.start, "Optional chaining cannot appear in left-hand side"); + break; + case "MemberExpression": if (!isBinding) break; + default: this.raise(node.start, "Assigning to rvalue"); + } + else if (refDestructuringErrors) this.checkPatternErrors(refDestructuringErrors, true); + return node; }; - -// Convert list of expression atoms to binding list. - pp$7.toAssignableList = function(exprList, isBinding) { - var end = exprList.length; - for (var i = 0; i < end; i++) { - var elt = exprList[i]; - if (elt) { this.toAssignable(elt, isBinding); } - } - if (end) { - var last = exprList[end - 1]; - if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") - { this.unexpected(last.argument.start); } - } - return exprList + var end = exprList.length; + for (var i$1 = 0; i$1 < end; i$1++) { + var elt = exprList[i$1]; + if (elt) this.toAssignable(elt, isBinding); + } + if (end) { + var last = exprList[end - 1]; + if (this.options.ecmaVersion === 6 && isBinding && last && last.type === "RestElement" && last.argument.type !== "Identifier") this.unexpected(last.argument.start); + } + return exprList; }; - -// Parses spread element. - pp$7.parseSpread = function(refDestructuringErrors) { - var node = this.startNode(); - this.next(); - node.argument = this.parseMaybeAssign(false, refDestructuringErrors); - return this.finishNode(node, "SpreadElement") + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeAssign(false, refDestructuringErrors); + return this.finishNode(node, "SpreadElement"); }; - pp$7.parseRestBinding = function() { - var node = this.startNode(); - this.next(); - - // RestElement inside of a function parameter must be an identifier - if (this.options.ecmaVersion === 6 && this.type !== types$1.name) - { this.unexpected(); } - - node.argument = this.parseBindingAtom(); - - return this.finishNode(node, "RestElement") + var node = this.startNode(); + this.next(); + if (this.options.ecmaVersion === 6 && this.type !== types$1.name) this.unexpected(); + node.argument = this.parseBindingAtom(); + return this.finishNode(node, "RestElement"); }; - -// Parses lvalue (assignable) atom. - pp$7.parseBindingAtom = function() { - if (this.options.ecmaVersion >= 6) { - switch (this.type) { - case types$1.bracketL: - var node = this.startNode(); - this.next(); - node.elements = this.parseBindingList(types$1.bracketR, true, true); - return this.finishNode(node, "ArrayPattern") - - case types$1.braceL: - return this.parseObj(true) - } - } - return this.parseIdent() + if (this.options.ecmaVersion >= 6) switch (this.type) { + case types$1.bracketL: + var node = this.startNode(); + this.next(); + node.elements = this.parseBindingList(types$1.bracketR, true, true); + return this.finishNode(node, "ArrayPattern"); + case types$1.braceL: return this.parseObj(true); + } + return this.parseIdent(); }; - pp$7.parseBindingList = function(close, allowEmpty, allowTrailingComma, allowModifiers) { - var elts = [], first = true; - while (!this.eat(close)) { - if (first) { first = false; } - else { this.expect(types$1.comma); } - if (allowEmpty && this.type === types$1.comma) { - elts.push(null); - } else if (allowTrailingComma && this.afterTrailingComma(close)) { - break - } else if (this.type === types$1.ellipsis) { - var rest = this.parseRestBinding(); - this.parseBindingListItem(rest); - elts.push(rest); - if (this.type === types$1.comma) { this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); } - this.expect(close); - break - } else { - elts.push(this.parseAssignableListItem(allowModifiers)); - } - } - return elts + var elts = [], first = true; + while (!this.eat(close)) { + if (first) first = false; + else this.expect(types$1.comma); + if (allowEmpty && this.type === types$1.comma) elts.push(null); + else if (allowTrailingComma && this.afterTrailingComma(close)) break; + else if (this.type === types$1.ellipsis) { + var rest = this.parseRestBinding(); + this.parseBindingListItem(rest); + elts.push(rest); + if (this.type === types$1.comma) this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); + this.expect(close); + break; + } else elts.push(this.parseAssignableListItem(allowModifiers)); + } + return elts; }; - pp$7.parseAssignableListItem = function(allowModifiers) { - var elem = this.parseMaybeDefault(this.start, this.startLoc); - this.parseBindingListItem(elem); - return elem + var elem = this.parseMaybeDefault(this.start, this.startLoc); + this.parseBindingListItem(elem); + return elem; }; - pp$7.parseBindingListItem = function(param) { - return param + return param; }; - -// Parses assignment pattern around given atom if possible. - pp$7.parseMaybeDefault = function(startPos, startLoc, left) { - left = left || this.parseBindingAtom(); - if (this.options.ecmaVersion < 6 || !this.eat(types$1.eq)) { return left } - var node = this.startNodeAt(startPos, startLoc); - node.left = left; - node.right = this.parseMaybeAssign(); - return this.finishNode(node, "AssignmentPattern") + left = left || this.parseBindingAtom(); + if (this.options.ecmaVersion < 6 || !this.eat(types$1.eq)) return left; + var node = this.startNodeAt(startPos, startLoc); + node.left = left; + node.right = this.parseMaybeAssign(); + return this.finishNode(node, "AssignmentPattern"); }; - -// The following three functions all verify that a node is an lvalue — -// something that can be bound, or assigned to. In order to do so, they perform -// a variety of checks: -// -// - Check that none of the bound/assigned-to identifiers are reserved words. -// - Record name declarations for bindings in the appropriate scope. -// - Check duplicate argument names, if checkClashes is set. -// -// If a complex binding pattern is encountered (e.g., object and array -// destructuring), the entire pattern is recursively checked. -// -// There are three versions of checkLVal*() appropriate for different -// circumstances: -// -// - checkLValSimple() shall be used if the syntactic construct supports -// nothing other than identifiers and member expressions. Parenthesized -// expressions are also correctly handled. This is generally appropriate for -// constructs for which the spec says -// -// > It is a Syntax Error if AssignmentTargetType of [the production] is not -// > simple. -// -// It is also appropriate for checking if an identifier is valid and not -// defined elsewhere, like import declarations or function/class identifiers. -// -// Examples where this is used include: -// a += …; -// import a from '…'; -// where a is the node to be checked. -// -// - checkLValPattern() shall be used if the syntactic construct supports -// anything checkLValSimple() supports, as well as object and array -// destructuring patterns. This is generally appropriate for constructs for -// which the spec says -// -// > It is a Syntax Error if [the production] is neither an ObjectLiteral nor -// > an ArrayLiteral and AssignmentTargetType of [the production] is not -// > simple. -// -// Examples where this is used include: -// (a = …); -// const a = …; -// try { … } catch (a) { … } -// where a is the node to be checked. -// -// - checkLValInnerPattern() shall be used if the syntactic construct supports -// anything checkLValPattern() supports, as well as default assignment -// patterns, rest elements, and other constructs that may appear within an -// object or array destructuring pattern. -// -// As a special case, function parameters also use checkLValInnerPattern(), -// as they also support defaults and rest constructs. -// -// These functions deliberately support both assignment and binding constructs, -// as the logic for both is exceedingly similar. If the node is the target of -// an assignment, then bindingType should be set to BIND_NONE. Otherwise, it -// should be set to the appropriate BIND_* constant, like BIND_VAR or -// BIND_LEXICAL. -// -// If the function is called with a non-BIND_NONE bindingType, then -// additionally a checkClashes object may be specified to allow checking for -// duplicate argument names. checkClashes is ignored if the provided construct -// is an assignment (i.e., bindingType is BIND_NONE). - pp$7.checkLValSimple = function(expr, bindingType, checkClashes) { - if ( bindingType === void 0 ) bindingType = BIND_NONE; - - var isBind = bindingType !== BIND_NONE; - - switch (expr.type) { - case "Identifier": - if (this.strict && this.reservedWordsStrictBind.test(expr.name)) - { this.raiseRecoverable(expr.start, (isBind ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); } - if (isBind) { - if (bindingType === BIND_LEXICAL && expr.name === "let") - { this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); } - if (checkClashes) { - if (hasOwn(checkClashes, expr.name)) - { this.raiseRecoverable(expr.start, "Argument name clash"); } - checkClashes[expr.name] = true; - } - if (bindingType !== BIND_OUTSIDE) { this.declareName(expr.name, bindingType, expr.start); } - } - break - - case "ChainExpression": - this.raiseRecoverable(expr.start, "Optional chaining cannot appear in left-hand side"); - break - - case "MemberExpression": - if (isBind) { this.raiseRecoverable(expr.start, "Binding member expression"); } - break - - case "ParenthesizedExpression": - if (isBind) { this.raiseRecoverable(expr.start, "Binding parenthesized expression"); } - return this.checkLValSimple(expr.expression, bindingType, checkClashes) - - default: - this.raise(expr.start, (isBind ? "Binding" : "Assigning to") + " rvalue"); - } + if (bindingType === void 0) bindingType = BIND_NONE; + var isBind = bindingType !== BIND_NONE; + switch (expr.type) { + case "Identifier": + if (this.strict && this.reservedWordsStrictBind.test(expr.name)) this.raiseRecoverable(expr.start, (isBind ? "Binding " : "Assigning to ") + expr.name + " in strict mode"); + if (isBind) { + if (bindingType === BIND_LEXICAL && expr.name === "let") this.raiseRecoverable(expr.start, "let is disallowed as a lexically bound name"); + if (checkClashes) { + if (hasOwn(checkClashes, expr.name)) this.raiseRecoverable(expr.start, "Argument name clash"); + checkClashes[expr.name] = true; + } + if (bindingType !== BIND_OUTSIDE) this.declareName(expr.name, bindingType, expr.start); + } + break; + case "ChainExpression": + this.raiseRecoverable(expr.start, "Optional chaining cannot appear in left-hand side"); + break; + case "MemberExpression": + if (isBind) this.raiseRecoverable(expr.start, "Binding member expression"); + break; + case "ParenthesizedExpression": + if (isBind) this.raiseRecoverable(expr.start, "Binding parenthesized expression"); + return this.checkLValSimple(expr.expression, bindingType, checkClashes); + default: this.raise(expr.start, (isBind ? "Binding" : "Assigning to") + " rvalue"); + } }; - pp$7.checkLValPattern = function(expr, bindingType, checkClashes) { - if ( bindingType === void 0 ) bindingType = BIND_NONE; - - switch (expr.type) { - case "ObjectPattern": - for (var i = 0, list = expr.properties; i < list.length; i += 1) { - var prop = list[i]; - - this.checkLValInnerPattern(prop, bindingType, checkClashes); - } - break - - case "ArrayPattern": - for (var i$1 = 0, list$1 = expr.elements; i$1 < list$1.length; i$1 += 1) { - var elem = list$1[i$1]; - - if (elem) { this.checkLValInnerPattern(elem, bindingType, checkClashes); } - } - break - - default: - this.checkLValSimple(expr, bindingType, checkClashes); - } + if (bindingType === void 0) bindingType = BIND_NONE; + switch (expr.type) { + case "ObjectPattern": + for (var i$1 = 0, list$1 = expr.properties; i$1 < list$1.length; i$1 += 1) { + var prop = list$1[i$1]; + this.checkLValInnerPattern(prop, bindingType, checkClashes); + } + break; + case "ArrayPattern": + for (var i$1$1 = 0, list$1$1 = expr.elements; i$1$1 < list$1$1.length; i$1$1 += 1) { + var elem = list$1$1[i$1$1]; + if (elem) this.checkLValInnerPattern(elem, bindingType, checkClashes); + } + break; + default: this.checkLValSimple(expr, bindingType, checkClashes); + } }; - pp$7.checkLValInnerPattern = function(expr, bindingType, checkClashes) { - if ( bindingType === void 0 ) bindingType = BIND_NONE; - - switch (expr.type) { - case "Property": - // AssignmentProperty has type === "Property" - this.checkLValInnerPattern(expr.value, bindingType, checkClashes); - break - - case "AssignmentPattern": - this.checkLValPattern(expr.left, bindingType, checkClashes); - break - - case "RestElement": - this.checkLValPattern(expr.argument, bindingType, checkClashes); - break - - default: - this.checkLValPattern(expr, bindingType, checkClashes); - } -}; - -// The algorithm used to determine whether a regexp can appear at a -// given point in the program is loosely based on sweet.js' approach. -// See https://github.com/mozilla/sweet.js/wiki/design - - -var TokContext = function TokContext(token, isExpr, preserveSpace, override, generator) { - this.token = token; - this.isExpr = !!isExpr; - this.preserveSpace = !!preserveSpace; - this.override = override; - this.generator = !!generator; + if (bindingType === void 0) bindingType = BIND_NONE; + switch (expr.type) { + case "Property": + this.checkLValInnerPattern(expr.value, bindingType, checkClashes); + break; + case "AssignmentPattern": + this.checkLValPattern(expr.left, bindingType, checkClashes); + break; + case "RestElement": + this.checkLValPattern(expr.argument, bindingType, checkClashes); + break; + default: this.checkLValPattern(expr, bindingType, checkClashes); + } +}; +var TokContext = function TokContext$1(token, isExpr, preserveSpace, override, generator) { + this.token = token; + this.isExpr = !!isExpr; + this.preserveSpace = !!preserveSpace; + this.override = override; + this.generator = !!generator; }; - var types = { - b_stat: new TokContext("{", false), - b_expr: new TokContext("{", true), - b_tmpl: new TokContext("${", false), - p_stat: new TokContext("(", false), - p_expr: new TokContext("(", true), - q_tmpl: new TokContext("`", true, true, function (p) { return p.tryReadTemplateToken(); }), - f_stat: new TokContext("function", false), - f_expr: new TokContext("function", true), - f_expr_gen: new TokContext("function", true, false, null, true), - f_gen: new TokContext("function", false, false, null, true) + b_stat: new TokContext("{", false), + b_expr: new TokContext("{", true), + b_tmpl: new TokContext("\${", false), + p_stat: new TokContext("(", false), + p_expr: new TokContext("(", true), + q_tmpl: new TokContext("`", true, true, function(p) { + return p.tryReadTemplateToken(); + }), + f_stat: new TokContext("function", false), + f_expr: new TokContext("function", true), + f_expr_gen: new TokContext("function", true, false, null, true), + f_gen: new TokContext("function", false, false, null, true) }; - var pp$6 = Parser.prototype; - pp$6.initialContext = function() { - return [types.b_stat] + return [types.b_stat]; }; - pp$6.curContext = function() { - return this.context[this.context.length - 1] + return this.context[this.context.length - 1]; }; - pp$6.braceIsBlock = function(prevType) { - var parent = this.curContext(); - if (parent === types.f_expr || parent === types.f_stat) - { return true } - if (prevType === types$1.colon && (parent === types.b_stat || parent === types.b_expr)) - { return !parent.isExpr } - - // The check for `tt.name && exprAllowed` detects whether we are - // after a `yield` or `of` construct. See the `updateContext` for - // `tt.name`. - if (prevType === types$1._return || prevType === types$1.name && this.exprAllowed) - { return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) } - if (prevType === types$1._else || prevType === types$1.semi || prevType === types$1.eof || prevType === types$1.parenR || prevType === types$1.arrow) - { return true } - if (prevType === types$1.braceL) - { return parent === types.b_stat } - if (prevType === types$1._var || prevType === types$1._const || prevType === types$1.name) - { return false } - return !this.exprAllowed + var parent = this.curContext(); + if (parent === types.f_expr || parent === types.f_stat) return true; + if (prevType === types$1.colon && (parent === types.b_stat || parent === types.b_expr)) return !parent.isExpr; + if (prevType === types$1._return || prevType === types$1.name && this.exprAllowed) return lineBreak.test(this.input.slice(this.lastTokEnd, this.start)); + if (prevType === types$1._else || prevType === types$1.semi || prevType === types$1.eof || prevType === types$1.parenR || prevType === types$1.arrow) return true; + if (prevType === types$1.braceL) return parent === types.b_stat; + if (prevType === types$1._var || prevType === types$1._const || prevType === types$1.name) return false; + return !this.exprAllowed; }; - pp$6.inGeneratorContext = function() { - for (var i = this.context.length - 1; i >= 1; i--) { - var context = this.context[i]; - if (context.token === "function") - { return context.generator } - } - return false + for (var i$1 = this.context.length - 1; i$1 >= 1; i$1--) { + var context = this.context[i$1]; + if (context.token === "function") return context.generator; + } + return false; }; - pp$6.updateContext = function(prevType) { - var update, type = this.type; - if (type.keyword && prevType === types$1.dot) - { this.exprAllowed = false; } - else if (update = type.updateContext) - { update.call(this, prevType); } - else - { this.exprAllowed = type.beforeExpr; } + var update, type = this.type; + if (type.keyword && prevType === types$1.dot) this.exprAllowed = false; + else if (update = type.updateContext) update.call(this, prevType); + else this.exprAllowed = type.beforeExpr; }; - -// Used to handle edge cases when token context could not be inferred correctly during tokenization phase - pp$6.overrideContext = function(tokenCtx) { - if (this.curContext() !== tokenCtx) { - this.context[this.context.length - 1] = tokenCtx; - } + if (this.curContext() !== tokenCtx) this.context[this.context.length - 1] = tokenCtx; }; - -// Token-specific context update code - types$1.parenR.updateContext = types$1.braceR.updateContext = function() { - if (this.context.length === 1) { - this.exprAllowed = true; - return - } - var out = this.context.pop(); - if (out === types.b_stat && this.curContext().token === "function") { - out = this.context.pop(); - } - this.exprAllowed = !out.isExpr; + if (this.context.length === 1) { + this.exprAllowed = true; + return; + } + var out = this.context.pop(); + if (out === types.b_stat && this.curContext().token === "function") out = this.context.pop(); + this.exprAllowed = !out.isExpr; }; - types$1.braceL.updateContext = function(prevType) { - this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr); - this.exprAllowed = true; + this.context.push(this.braceIsBlock(prevType) ? types.b_stat : types.b_expr); + this.exprAllowed = true; }; - types$1.dollarBraceL.updateContext = function() { - this.context.push(types.b_tmpl); - this.exprAllowed = true; + this.context.push(types.b_tmpl); + this.exprAllowed = true; }; - types$1.parenL.updateContext = function(prevType) { - var statementParens = prevType === types$1._if || prevType === types$1._for || prevType === types$1._with || prevType === types$1._while; - this.context.push(statementParens ? types.p_stat : types.p_expr); - this.exprAllowed = true; -}; - -types$1.incDec.updateContext = function() { - // tokExprAllowed stays unchanged + var statementParens = prevType === types$1._if || prevType === types$1._for || prevType === types$1._with || prevType === types$1._while; + this.context.push(statementParens ? types.p_stat : types.p_expr); + this.exprAllowed = true; }; - +types$1.incDec.updateContext = function() {}; types$1._function.updateContext = types$1._class.updateContext = function(prevType) { - if (prevType.beforeExpr && prevType !== types$1._else && - !(prevType === types$1.semi && this.curContext() !== types.p_stat) && - !(prevType === types$1._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && - !((prevType === types$1.colon || prevType === types$1.braceL) && this.curContext() === types.b_stat)) - { this.context.push(types.f_expr); } - else - { this.context.push(types.f_stat); } - this.exprAllowed = false; + if (prevType.beforeExpr && prevType !== types$1._else && !(prevType === types$1.semi && this.curContext() !== types.p_stat) && !(prevType === types$1._return && lineBreak.test(this.input.slice(this.lastTokEnd, this.start))) && !((prevType === types$1.colon || prevType === types$1.braceL) && this.curContext() === types.b_stat)) this.context.push(types.f_expr); + else this.context.push(types.f_stat); + this.exprAllowed = false; }; - types$1.colon.updateContext = function() { - if (this.curContext().token === "function") { this.context.pop(); } - this.exprAllowed = true; + if (this.curContext().token === "function") this.context.pop(); + this.exprAllowed = true; }; - types$1.backQuote.updateContext = function() { - if (this.curContext() === types.q_tmpl) - { this.context.pop(); } - else - { this.context.push(types.q_tmpl); } - this.exprAllowed = false; + if (this.curContext() === types.q_tmpl) this.context.pop(); + else this.context.push(types.q_tmpl); + this.exprAllowed = false; }; - types$1.star.updateContext = function(prevType) { - if (prevType === types$1._function) { - var index = this.context.length - 1; - if (this.context[index] === types.f_expr) - { this.context[index] = types.f_expr_gen; } - else - { this.context[index] = types.f_gen; } - } - this.exprAllowed = true; + if (prevType === types$1._function) { + var index = this.context.length - 1; + if (this.context[index] === types.f_expr) this.context[index] = types.f_expr_gen; + else this.context[index] = types.f_gen; + } + this.exprAllowed = true; }; - types$1.name.updateContext = function(prevType) { - var allowed = false; - if (this.options.ecmaVersion >= 6 && prevType !== types$1.dot) { - if (this.value === "of" && !this.exprAllowed || - this.value === "yield" && this.inGeneratorContext()) - { allowed = true; } - } - this.exprAllowed = allowed; + var allowed = false; + if (this.options.ecmaVersion >= 6 && prevType !== types$1.dot) { + if (this.value === "of" && !this.exprAllowed || this.value === "yield" && this.inGeneratorContext()) allowed = true; + } + this.exprAllowed = allowed; }; - -// A recursive descent parser operates by defining functions for all -// syntactic elements, and recursively calling those, each function -// advancing the input stream and returning an AST node. Precedence -// of constructs (for example, the fact that `!x[1]` means `!(x[1])` -// instead of `(!x)[1]` is handled by the fact that the parser -// function that parses unary prefix operators is called first, and -// in turn calls the function that parses `[]` subscripts — that -// way, it'll receive the node for `x[1]` already parsed, and wraps -// *that* in the unary operator node. -// -// Acorn uses an [operator precedence parser][opp] to handle binary -// operator precedence, because it is much more compact than using -// the technique outlined above, which uses different, nesting -// functions to specify precedence, for all of the ten binary -// precedence levels that JavaScript defines. -// -// [opp]: http://en.wikipedia.org/wiki/Operator-precedence_parser - - var pp$5 = Parser.prototype; - -// Check if property name clashes with already added. -// Object/class getters and setters are not allowed to clash — -// either with each other or with an init property — and in -// strict mode, init properties are also not allowed to be repeated. - pp$5.checkPropClash = function(prop, propHash, refDestructuringErrors) { - if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") - { return } - if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) - { return } - var key = prop.key; - var name; - switch (key.type) { - case "Identifier": name = key.name; break - case "Literal": name = String(key.value); break - default: return - } - var kind = prop.kind; - if (this.options.ecmaVersion >= 6) { - if (name === "__proto__" && kind === "init") { - if (propHash.proto) { - if (refDestructuringErrors) { - if (refDestructuringErrors.doubleProto < 0) { - refDestructuringErrors.doubleProto = key.start; - } - } else { - this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); - } - } - propHash.proto = true; - } - return - } - name = "$" + name; - var other = propHash[name]; - if (other) { - var redefinition; - if (kind === "init") { - redefinition = this.strict && other.init || other.get || other.set; - } else { - redefinition = other.init || other[kind]; - } - if (redefinition) - { this.raiseRecoverable(key.start, "Redefinition of property"); } - } else { - other = propHash[name] = { - init: false, - get: false, - set: false - }; - } - other[kind] = true; + if (this.options.ecmaVersion >= 9 && prop.type === "SpreadElement") return; + if (this.options.ecmaVersion >= 6 && (prop.computed || prop.method || prop.shorthand)) return; + var key = prop.key; + var name; + switch (key.type) { + case "Identifier": + name = key.name; + break; + case "Literal": + name = String(key.value); + break; + default: return; + } + var kind = prop.kind; + if (this.options.ecmaVersion >= 6) { + if (name === "__proto__" && kind === "init") { + if (propHash.proto) if (refDestructuringErrors) { + if (refDestructuringErrors.doubleProto < 0) refDestructuringErrors.doubleProto = key.start; + } else this.raiseRecoverable(key.start, "Redefinition of __proto__ property"); + propHash.proto = true; + } + return; + } + name = "$" + name; + var other = propHash[name]; + if (other) { + var redefinition; + if (kind === "init") redefinition = this.strict && other.init || other.get || other.set; + else redefinition = other.init || other[kind]; + if (redefinition) this.raiseRecoverable(key.start, "Redefinition of property"); + } else other = propHash[name] = { + init: false, + get: false, + set: false + }; + other[kind] = true; }; - -// ### Expression parsing - -// These nest, from the most general expression type at the top to -// 'atomic', nondivisible expression types at the bottom. Most of -// the functions will simply let the function(s) below them parse, -// and, *if* the syntactic construct they handle is present, wrap -// the AST node that the inner parser gave them in another node. - -// Parse a full expression. The optional arguments are used to -// forbid the `in` operator (in for loops initalization expressions) -// and provide reference for storing '=' operator inside shorthand -// property assignment in contexts where both object expression -// and object pattern might appear (so it's possible to raise -// delayed syntax error at correct position). - pp$5.parseExpression = function(forInit, refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseMaybeAssign(forInit, refDestructuringErrors); - if (this.type === types$1.comma) { - var node = this.startNodeAt(startPos, startLoc); - node.expressions = [expr]; - while (this.eat(types$1.comma)) { node.expressions.push(this.parseMaybeAssign(forInit, refDestructuringErrors)); } - return this.finishNode(node, "SequenceExpression") - } - return expr + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseMaybeAssign(forInit, refDestructuringErrors); + if (this.type === types$1.comma) { + var node = this.startNodeAt(startPos, startLoc); + node.expressions = [expr]; + while (this.eat(types$1.comma)) node.expressions.push(this.parseMaybeAssign(forInit, refDestructuringErrors)); + return this.finishNode(node, "SequenceExpression"); + } + return expr; }; - -// Parse an assignment expression. This includes applications of -// operators like `+=`. - pp$5.parseMaybeAssign = function(forInit, refDestructuringErrors, afterLeftParse) { - if (this.isContextual("yield")) { - if (this.inGenerator) { return this.parseYield(forInit) } - // The tokenizer will assume an expression is allowed after - // `yield`, but this isn't that kind of yield - else { this.exprAllowed = false; } - } - - var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1, oldDoubleProto = -1; - if (refDestructuringErrors) { - oldParenAssign = refDestructuringErrors.parenthesizedAssign; - oldTrailingComma = refDestructuringErrors.trailingComma; - oldDoubleProto = refDestructuringErrors.doubleProto; - refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; - } else { - refDestructuringErrors = new DestructuringErrors; - ownDestructuringErrors = true; - } - - var startPos = this.start, startLoc = this.startLoc; - if (this.type === types$1.parenL || this.type === types$1.name) { - this.potentialArrowAt = this.start; - this.potentialArrowInForAwait = forInit === "await"; - } - var left = this.parseMaybeConditional(forInit, refDestructuringErrors); - if (afterLeftParse) { left = afterLeftParse.call(this, left, startPos, startLoc); } - if (this.type.isAssign) { - var node = this.startNodeAt(startPos, startLoc); - node.operator = this.value; - if (this.type === types$1.eq) - { left = this.toAssignable(left, false, refDestructuringErrors); } - if (!ownDestructuringErrors) { - refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; - } - if (refDestructuringErrors.shorthandAssign >= left.start) - { refDestructuringErrors.shorthandAssign = -1; } // reset because shorthand default was used correctly - if (this.type === types$1.eq) - { this.checkLValPattern(left); } - else - { this.checkLValSimple(left); } - node.left = left; - this.next(); - node.right = this.parseMaybeAssign(forInit); - if (oldDoubleProto > -1) { refDestructuringErrors.doubleProto = oldDoubleProto; } - return this.finishNode(node, "AssignmentExpression") - } else { - if (ownDestructuringErrors) { this.checkExpressionErrors(refDestructuringErrors, true); } - } - if (oldParenAssign > -1) { refDestructuringErrors.parenthesizedAssign = oldParenAssign; } - if (oldTrailingComma > -1) { refDestructuringErrors.trailingComma = oldTrailingComma; } - return left + if (this.isContextual("yield")) if (this.inGenerator) return this.parseYield(forInit); + else this.exprAllowed = false; + var ownDestructuringErrors = false, oldParenAssign = -1, oldTrailingComma = -1, oldDoubleProto = -1; + if (refDestructuringErrors) { + oldParenAssign = refDestructuringErrors.parenthesizedAssign; + oldTrailingComma = refDestructuringErrors.trailingComma; + oldDoubleProto = refDestructuringErrors.doubleProto; + refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = -1; + } else { + refDestructuringErrors = new DestructuringErrors(); + ownDestructuringErrors = true; + } + var startPos = this.start, startLoc = this.startLoc; + if (this.type === types$1.parenL || this.type === types$1.name) { + this.potentialArrowAt = this.start; + this.potentialArrowInForAwait = forInit === "await"; + } + var left = this.parseMaybeConditional(forInit, refDestructuringErrors); + if (afterLeftParse) left = afterLeftParse.call(this, left, startPos, startLoc); + if (this.type.isAssign) { + var node = this.startNodeAt(startPos, startLoc); + node.operator = this.value; + if (this.type === types$1.eq) left = this.toAssignable(left, false, refDestructuringErrors); + if (!ownDestructuringErrors) refDestructuringErrors.parenthesizedAssign = refDestructuringErrors.trailingComma = refDestructuringErrors.doubleProto = -1; + if (refDestructuringErrors.shorthandAssign >= left.start) refDestructuringErrors.shorthandAssign = -1; + if (this.type === types$1.eq) this.checkLValPattern(left); + else this.checkLValSimple(left); + node.left = left; + this.next(); + node.right = this.parseMaybeAssign(forInit); + if (oldDoubleProto > -1) refDestructuringErrors.doubleProto = oldDoubleProto; + return this.finishNode(node, "AssignmentExpression"); + } else if (ownDestructuringErrors) this.checkExpressionErrors(refDestructuringErrors, true); + if (oldParenAssign > -1) refDestructuringErrors.parenthesizedAssign = oldParenAssign; + if (oldTrailingComma > -1) refDestructuringErrors.trailingComma = oldTrailingComma; + return left; }; - -// Parse a ternary conditional (`?:`) operator. - pp$5.parseMaybeConditional = function(forInit, refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseExprOps(forInit, refDestructuringErrors); - if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - if (this.eat(types$1.question)) { - var node = this.startNodeAt(startPos, startLoc); - node.test = expr; - node.consequent = this.parseMaybeAssign(); - this.expect(types$1.colon); - node.alternate = this.parseMaybeAssign(forInit); - return this.finishNode(node, "ConditionalExpression") - } - return expr + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseExprOps(forInit, refDestructuringErrors); + if (this.checkExpressionErrors(refDestructuringErrors)) return expr; + if (this.eat(types$1.question)) { + var node = this.startNodeAt(startPos, startLoc); + node.test = expr; + node.consequent = this.parseMaybeAssign(); + this.expect(types$1.colon); + node.alternate = this.parseMaybeAssign(forInit); + return this.finishNode(node, "ConditionalExpression"); + } + return expr; }; - -// Start the precedence parser. - pp$5.parseExprOps = function(forInit, refDestructuringErrors) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseMaybeUnary(refDestructuringErrors, false, false, forInit); - if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, forInit) + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseMaybeUnary(refDestructuringErrors, false, false, forInit); + if (this.checkExpressionErrors(refDestructuringErrors)) return expr; + return expr.start === startPos && expr.type === "ArrowFunctionExpression" ? expr : this.parseExprOp(expr, startPos, startLoc, -1, forInit); }; - -// Parse binary operators with the operator precedence parsing -// algorithm. `left` is the left-hand side of the operator. -// `minPrec` provides context that allows the function to stop and -// defer further parser to one of its callers when it encounters an -// operator that has a lower precedence than the set it is parsing. - pp$5.parseExprOp = function(left, leftStartPos, leftStartLoc, minPrec, forInit) { - var prec = this.type.binop; - if (prec != null && (!forInit || this.type !== types$1._in)) { - if (prec > minPrec) { - var logical = this.type === types$1.logicalOR || this.type === types$1.logicalAND; - var coalesce = this.type === types$1.coalesce; - if (coalesce) { - // Handle the precedence of `tt.coalesce` as equal to the range of logical expressions. - // In other words, `node.right` shouldn't contain logical expressions in order to check the mixed error. - prec = types$1.logicalAND.binop; - } - var op = this.value; - this.next(); - var startPos = this.start, startLoc = this.startLoc; - var right = this.parseExprOp(this.parseMaybeUnary(null, false, false, forInit), startPos, startLoc, prec, forInit); - var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); - if ((logical && this.type === types$1.coalesce) || (coalesce && (this.type === types$1.logicalOR || this.type === types$1.logicalAND))) { - this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); - } - return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, forInit) - } - } - return left + var prec = this.type.binop; + if (prec != null && (!forInit || this.type !== types$1._in)) { + if (prec > minPrec) { + var logical = this.type === types$1.logicalOR || this.type === types$1.logicalAND; + var coalesce = this.type === types$1.coalesce; + if (coalesce) prec = types$1.logicalAND.binop; + var op = this.value; + this.next(); + var startPos = this.start, startLoc = this.startLoc; + var right = this.parseExprOp(this.parseMaybeUnary(null, false, false, forInit), startPos, startLoc, prec, forInit); + var node = this.buildBinary(leftStartPos, leftStartLoc, left, right, op, logical || coalesce); + if (logical && this.type === types$1.coalesce || coalesce && (this.type === types$1.logicalOR || this.type === types$1.logicalAND)) this.raiseRecoverable(this.start, "Logical expressions and coalesce expressions cannot be mixed. Wrap either by parentheses"); + return this.parseExprOp(node, leftStartPos, leftStartLoc, minPrec, forInit); + } + } + return left; }; - pp$5.buildBinary = function(startPos, startLoc, left, right, op, logical) { - if (right.type === "PrivateIdentifier") { this.raise(right.start, "Private identifier can only be left side of binary expression"); } - var node = this.startNodeAt(startPos, startLoc); - node.left = left; - node.operator = op; - node.right = right; - return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression") + if (right.type === "PrivateIdentifier") this.raise(right.start, "Private identifier can only be left side of binary expression"); + var node = this.startNodeAt(startPos, startLoc); + node.left = left; + node.operator = op; + node.right = right; + return this.finishNode(node, logical ? "LogicalExpression" : "BinaryExpression"); }; - -// Parse unary operators, both prefix and postfix. - pp$5.parseMaybeUnary = function(refDestructuringErrors, sawUnary, incDec, forInit) { - var startPos = this.start, startLoc = this.startLoc, expr; - if (this.isContextual("await") && this.canAwait) { - expr = this.parseAwait(forInit); - sawUnary = true; - } else if (this.type.prefix) { - var node = this.startNode(), update = this.type === types$1.incDec; - node.operator = this.value; - node.prefix = true; - this.next(); - node.argument = this.parseMaybeUnary(null, true, update, forInit); - this.checkExpressionErrors(refDestructuringErrors, true); - if (update) { this.checkLValSimple(node.argument); } - else if (this.strict && node.operator === "delete" && isLocalVariableAccess(node.argument)) - { this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); } - else if (node.operator === "delete" && isPrivateFieldAccess(node.argument)) - { this.raiseRecoverable(node.start, "Private fields can not be deleted"); } - else { sawUnary = true; } - expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); - } else if (!sawUnary && this.type === types$1.privateId) { - if ((forInit || this.privateNameStack.length === 0) && this.options.checkPrivateFields) { this.unexpected(); } - expr = this.parsePrivateIdent(); - // only could be private fields in 'in', such as #x in obj - if (this.type !== types$1._in) { this.unexpected(); } - } else { - expr = this.parseExprSubscripts(refDestructuringErrors, forInit); - if (this.checkExpressionErrors(refDestructuringErrors)) { return expr } - while (this.type.postfix && !this.canInsertSemicolon()) { - var node$1 = this.startNodeAt(startPos, startLoc); - node$1.operator = this.value; - node$1.prefix = false; - node$1.argument = expr; - this.checkLValSimple(expr); - this.next(); - expr = this.finishNode(node$1, "UpdateExpression"); - } - } - - if (!incDec && this.eat(types$1.starstar)) { - if (sawUnary) - { this.unexpected(this.lastTokStart); } - else - { return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false, false, forInit), "**", false) } - } else { - return expr - } + var startPos = this.start, startLoc = this.startLoc, expr; + if (this.isContextual("await") && this.canAwait) { + expr = this.parseAwait(forInit); + sawUnary = true; + } else if (this.type.prefix) { + var node = this.startNode(), update = this.type === types$1.incDec; + node.operator = this.value; + node.prefix = true; + this.next(); + node.argument = this.parseMaybeUnary(null, true, update, forInit); + this.checkExpressionErrors(refDestructuringErrors, true); + if (update) this.checkLValSimple(node.argument); + else if (this.strict && node.operator === "delete" && isLocalVariableAccess(node.argument)) this.raiseRecoverable(node.start, "Deleting local variable in strict mode"); + else if (node.operator === "delete" && isPrivateFieldAccess(node.argument)) this.raiseRecoverable(node.start, "Private fields can not be deleted"); + else sawUnary = true; + expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression"); + } else if (!sawUnary && this.type === types$1.privateId) { + if ((forInit || this.privateNameStack.length === 0) && this.options.checkPrivateFields) this.unexpected(); + expr = this.parsePrivateIdent(); + if (this.type !== types$1._in) this.unexpected(); + } else { + expr = this.parseExprSubscripts(refDestructuringErrors, forInit); + if (this.checkExpressionErrors(refDestructuringErrors)) return expr; + while (this.type.postfix && !this.canInsertSemicolon()) { + var node$1 = this.startNodeAt(startPos, startLoc); + node$1.operator = this.value; + node$1.prefix = false; + node$1.argument = expr; + this.checkLValSimple(expr); + this.next(); + expr = this.finishNode(node$1, "UpdateExpression"); + } + } + if (!incDec && this.eat(types$1.starstar)) if (sawUnary) this.unexpected(this.lastTokStart); + else return this.buildBinary(startPos, startLoc, expr, this.parseMaybeUnary(null, false, false, forInit), "**", false); + else return expr; }; - function isLocalVariableAccess(node) { - return ( - node.type === "Identifier" || - node.type === "ParenthesizedExpression" && isLocalVariableAccess(node.expression) - ) + return node.type === "Identifier" || node.type === "ParenthesizedExpression" && isLocalVariableAccess(node.expression); } - function isPrivateFieldAccess(node) { - return ( - node.type === "MemberExpression" && node.property.type === "PrivateIdentifier" || - node.type === "ChainExpression" && isPrivateFieldAccess(node.expression) || - node.type === "ParenthesizedExpression" && isPrivateFieldAccess(node.expression) - ) + return node.type === "MemberExpression" && node.property.type === "PrivateIdentifier" || node.type === "ChainExpression" && isPrivateFieldAccess(node.expression) || node.type === "ParenthesizedExpression" && isPrivateFieldAccess(node.expression); } - -// Parse call, dot, and `[]`-subscript expressions. - pp$5.parseExprSubscripts = function(refDestructuringErrors, forInit) { - var startPos = this.start, startLoc = this.startLoc; - var expr = this.parseExprAtom(refDestructuringErrors, forInit); - if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") - { return expr } - var result = this.parseSubscripts(expr, startPos, startLoc, false, forInit); - if (refDestructuringErrors && result.type === "MemberExpression") { - if (refDestructuringErrors.parenthesizedAssign >= result.start) { refDestructuringErrors.parenthesizedAssign = -1; } - if (refDestructuringErrors.parenthesizedBind >= result.start) { refDestructuringErrors.parenthesizedBind = -1; } - if (refDestructuringErrors.trailingComma >= result.start) { refDestructuringErrors.trailingComma = -1; } - } - return result + var startPos = this.start, startLoc = this.startLoc; + var expr = this.parseExprAtom(refDestructuringErrors, forInit); + if (expr.type === "ArrowFunctionExpression" && this.input.slice(this.lastTokStart, this.lastTokEnd) !== ")") return expr; + var result = this.parseSubscripts(expr, startPos, startLoc, false, forInit); + if (refDestructuringErrors && result.type === "MemberExpression") { + if (refDestructuringErrors.parenthesizedAssign >= result.start) refDestructuringErrors.parenthesizedAssign = -1; + if (refDestructuringErrors.parenthesizedBind >= result.start) refDestructuringErrors.parenthesizedBind = -1; + if (refDestructuringErrors.trailingComma >= result.start) refDestructuringErrors.trailingComma = -1; + } + return result; }; - pp$5.parseSubscripts = function(base, startPos, startLoc, noCalls, forInit) { - var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && - this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && - this.potentialArrowAt === base.start; - var optionalChained = false; - - while (true) { - var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit); - - if (element.optional) { optionalChained = true; } - if (element === base || element.type === "ArrowFunctionExpression") { - if (optionalChained) { - var chainNode = this.startNodeAt(startPos, startLoc); - chainNode.expression = element; - element = this.finishNode(chainNode, "ChainExpression"); - } - return element - } - - base = element; - } + var maybeAsyncArrow = this.options.ecmaVersion >= 8 && base.type === "Identifier" && base.name === "async" && this.lastTokEnd === base.end && !this.canInsertSemicolon() && base.end - base.start === 5 && this.potentialArrowAt === base.start; + var optionalChained = false; + while (true) { + var element = this.parseSubscript(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit); + if (element.optional) optionalChained = true; + if (element === base || element.type === "ArrowFunctionExpression") { + if (optionalChained) { + var chainNode = this.startNodeAt(startPos, startLoc); + chainNode.expression = element; + element = this.finishNode(chainNode, "ChainExpression"); + } + return element; + } + base = element; + } }; - pp$5.shouldParseAsyncArrow = function() { - return !this.canInsertSemicolon() && this.eat(types$1.arrow) + return !this.canInsertSemicolon() && this.eat(types$1.arrow); }; - pp$5.parseSubscriptAsyncArrow = function(startPos, startLoc, exprList, forInit) { - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit) + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, true, forInit); }; - pp$5.parseSubscript = function(base, startPos, startLoc, noCalls, maybeAsyncArrow, optionalChained, forInit) { - var optionalSupported = this.options.ecmaVersion >= 11; - var optional = optionalSupported && this.eat(types$1.questionDot); - if (noCalls && optional) { this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); } - - var computed = this.eat(types$1.bracketL); - if (computed || (optional && this.type !== types$1.parenL && this.type !== types$1.backQuote) || this.eat(types$1.dot)) { - var node = this.startNodeAt(startPos, startLoc); - node.object = base; - if (computed) { - node.property = this.parseExpression(); - this.expect(types$1.bracketR); - } else if (this.type === types$1.privateId && base.type !== "Super") { - node.property = this.parsePrivateIdent(); - } else { - node.property = this.parseIdent(this.options.allowReserved !== "never"); - } - node.computed = !!computed; - if (optionalSupported) { - node.optional = optional; - } - base = this.finishNode(node, "MemberExpression"); - } else if (!noCalls && this.eat(types$1.parenL)) { - var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); - if (maybeAsyncArrow && !optional && this.shouldParseAsyncArrow()) { - this.checkPatternErrors(refDestructuringErrors, false); - this.checkYieldAwaitInDefaultParams(); - if (this.awaitIdentPos > 0) - { this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function"); } - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.parseSubscriptAsyncArrow(startPos, startLoc, exprList, forInit) - } - this.checkExpressionErrors(refDestructuringErrors, true); - this.yieldPos = oldYieldPos || this.yieldPos; - this.awaitPos = oldAwaitPos || this.awaitPos; - this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos; - var node$1 = this.startNodeAt(startPos, startLoc); - node$1.callee = base; - node$1.arguments = exprList; - if (optionalSupported) { - node$1.optional = optional; - } - base = this.finishNode(node$1, "CallExpression"); - } else if (this.type === types$1.backQuote) { - if (optional || optionalChained) { - this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); - } - var node$2 = this.startNodeAt(startPos, startLoc); - node$2.tag = base; - node$2.quasi = this.parseTemplate({isTagged: true}); - base = this.finishNode(node$2, "TaggedTemplateExpression"); - } - return base + var optionalSupported = this.options.ecmaVersion >= 11; + var optional = optionalSupported && this.eat(types$1.questionDot); + if (noCalls && optional) this.raise(this.lastTokStart, "Optional chaining cannot appear in the callee of new expressions"); + var computed = this.eat(types$1.bracketL); + if (computed || optional && this.type !== types$1.parenL && this.type !== types$1.backQuote || this.eat(types$1.dot)) { + var node = this.startNodeAt(startPos, startLoc); + node.object = base; + if (computed) { + node.property = this.parseExpression(); + this.expect(types$1.bracketR); + } else if (this.type === types$1.privateId && base.type !== "Super") node.property = this.parsePrivateIdent(); + else node.property = this.parseIdent(this.options.allowReserved !== "never"); + node.computed = !!computed; + if (optionalSupported) node.optional = optional; + base = this.finishNode(node, "MemberExpression"); + } else if (!noCalls && this.eat(types$1.parenL)) { + var refDestructuringErrors = new DestructuringErrors(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + var exprList = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false, refDestructuringErrors); + if (maybeAsyncArrow && !optional && this.shouldParseAsyncArrow()) { + this.checkPatternErrors(refDestructuringErrors, false); + this.checkYieldAwaitInDefaultParams(); + if (this.awaitIdentPos > 0) this.raise(this.awaitIdentPos, "Cannot use 'await' as identifier inside an async function"); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.parseSubscriptAsyncArrow(startPos, startLoc, exprList, forInit); + } + this.checkExpressionErrors(refDestructuringErrors, true); + this.yieldPos = oldYieldPos || this.yieldPos; + this.awaitPos = oldAwaitPos || this.awaitPos; + this.awaitIdentPos = oldAwaitIdentPos || this.awaitIdentPos; + var node$1 = this.startNodeAt(startPos, startLoc); + node$1.callee = base; + node$1.arguments = exprList; + if (optionalSupported) node$1.optional = optional; + base = this.finishNode(node$1, "CallExpression"); + } else if (this.type === types$1.backQuote) { + if (optional || optionalChained) this.raise(this.start, "Optional chaining cannot appear in the tag of tagged template expressions"); + var node$2 = this.startNodeAt(startPos, startLoc); + node$2.tag = base; + node$2.quasi = this.parseTemplate({ isTagged: true }); + base = this.finishNode(node$2, "TaggedTemplateExpression"); + } + return base; }; - -// Parse an atomic expression — either a single token that is an -// expression, an expression started by a keyword like `function` or -// `new`, or an expression wrapped in punctuation like `()`, `[]`, -// or `{}`. - pp$5.parseExprAtom = function(refDestructuringErrors, forInit, forNew) { - // If a division operator appears in an expression position, the - // tokenizer got confused, and we force it to read a regexp instead. - if (this.type === types$1.slash) { this.readRegexp(); } - - var node, canBeArrow = this.potentialArrowAt === this.start; - switch (this.type) { - case types$1._super: - if (!this.allowSuper) - { this.raise(this.start, "'super' keyword outside a method"); } - node = this.startNode(); - this.next(); - if (this.type === types$1.parenL && !this.allowDirectSuper) - { this.raise(node.start, "super() call outside constructor of a subclass"); } - // The `super` keyword can appear at below: - // SuperProperty: - // super [ Expression ] - // super . IdentifierName - // SuperCall: - // super ( Arguments ) - if (this.type !== types$1.dot && this.type !== types$1.bracketL && this.type !== types$1.parenL) - { this.unexpected(); } - return this.finishNode(node, "Super") - - case types$1._this: - node = this.startNode(); - this.next(); - return this.finishNode(node, "ThisExpression") - - case types$1.name: - var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; - var id = this.parseIdent(false); - if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types$1._function)) { - this.overrideContext(types.f_expr); - return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true, forInit) - } - if (canBeArrow && !this.canInsertSemicolon()) { - if (this.eat(types$1.arrow)) - { return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false, forInit) } - if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types$1.name && !containsEsc && - (!this.potentialArrowInForAwait || this.value !== "of" || this.containsEsc)) { - id = this.parseIdent(false); - if (this.canInsertSemicolon() || !this.eat(types$1.arrow)) - { this.unexpected(); } - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true, forInit) - } - } - return id - - case types$1.regexp: - var value = this.value; - node = this.parseLiteral(value.value); - node.regex = {pattern: value.pattern, flags: value.flags}; - return node - - case types$1.num: case types$1.string: - return this.parseLiteral(this.value) - - case types$1._null: case types$1._true: case types$1._false: - node = this.startNode(); - node.value = this.type === types$1._null ? null : this.type === types$1._true; - node.raw = this.type.keyword; - this.next(); - return this.finishNode(node, "Literal") - - case types$1.parenL: - var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow, forInit); - if (refDestructuringErrors) { - if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) - { refDestructuringErrors.parenthesizedAssign = start; } - if (refDestructuringErrors.parenthesizedBind < 0) - { refDestructuringErrors.parenthesizedBind = start; } - } - return expr - - case types$1.bracketL: - node = this.startNode(); - this.next(); - node.elements = this.parseExprList(types$1.bracketR, true, true, refDestructuringErrors); - return this.finishNode(node, "ArrayExpression") - - case types$1.braceL: - this.overrideContext(types.b_expr); - return this.parseObj(false, refDestructuringErrors) - - case types$1._function: - node = this.startNode(); - this.next(); - return this.parseFunction(node, 0) - - case types$1._class: - return this.parseClass(this.startNode(), false) - - case types$1._new: - return this.parseNew() - - case types$1.backQuote: - return this.parseTemplate() - - case types$1._import: - if (this.options.ecmaVersion >= 11) { - return this.parseExprImport(forNew) - } else { - return this.unexpected() - } - - default: - return this.parseExprAtomDefault() - } + if (this.type === types$1.slash) this.readRegexp(); + var node, canBeArrow = this.potentialArrowAt === this.start; + switch (this.type) { + case types$1._super: + if (!this.allowSuper) this.raise(this.start, "'super' keyword outside a method"); + node = this.startNode(); + this.next(); + if (this.type === types$1.parenL && !this.allowDirectSuper) this.raise(node.start, "super() call outside constructor of a subclass"); + if (this.type !== types$1.dot && this.type !== types$1.bracketL && this.type !== types$1.parenL) this.unexpected(); + return this.finishNode(node, "Super"); + case types$1._this: + node = this.startNode(); + this.next(); + return this.finishNode(node, "ThisExpression"); + case types$1.name: + var startPos = this.start, startLoc = this.startLoc, containsEsc = this.containsEsc; + var id = this.parseIdent(false); + if (this.options.ecmaVersion >= 8 && !containsEsc && id.name === "async" && !this.canInsertSemicolon() && this.eat(types$1._function)) { + this.overrideContext(types.f_expr); + return this.parseFunction(this.startNodeAt(startPos, startLoc), 0, false, true, forInit); + } + if (canBeArrow && !this.canInsertSemicolon()) { + if (this.eat(types$1.arrow)) return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], false, forInit); + if (this.options.ecmaVersion >= 8 && id.name === "async" && this.type === types$1.name && !containsEsc && (!this.potentialArrowInForAwait || this.value !== "of" || this.containsEsc)) { + id = this.parseIdent(false); + if (this.canInsertSemicolon() || !this.eat(types$1.arrow)) this.unexpected(); + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), [id], true, forInit); + } + } + return id; + case types$1.regexp: + var value = this.value; + node = this.parseLiteral(value.value); + node.regex = { + pattern: value.pattern, + flags: value.flags + }; + return node; + case types$1.num: + case types$1.string: return this.parseLiteral(this.value); + case types$1._null: + case types$1._true: + case types$1._false: + node = this.startNode(); + node.value = this.type === types$1._null ? null : this.type === types$1._true; + node.raw = this.type.keyword; + this.next(); + return this.finishNode(node, "Literal"); + case types$1.parenL: + var start = this.start, expr = this.parseParenAndDistinguishExpression(canBeArrow, forInit); + if (refDestructuringErrors) { + if (refDestructuringErrors.parenthesizedAssign < 0 && !this.isSimpleAssignTarget(expr)) refDestructuringErrors.parenthesizedAssign = start; + if (refDestructuringErrors.parenthesizedBind < 0) refDestructuringErrors.parenthesizedBind = start; + } + return expr; + case types$1.bracketL: + node = this.startNode(); + this.next(); + node.elements = this.parseExprList(types$1.bracketR, true, true, refDestructuringErrors); + return this.finishNode(node, "ArrayExpression"); + case types$1.braceL: + this.overrideContext(types.b_expr); + return this.parseObj(false, refDestructuringErrors); + case types$1._function: + node = this.startNode(); + this.next(); + return this.parseFunction(node, 0); + case types$1._class: return this.parseClass(this.startNode(), false); + case types$1._new: return this.parseNew(); + case types$1.backQuote: return this.parseTemplate(); + case types$1._import: if (this.options.ecmaVersion >= 11) return this.parseExprImport(forNew); + else return this.unexpected(); + default: return this.parseExprAtomDefault(); + } }; - pp$5.parseExprAtomDefault = function() { - this.unexpected(); + this.unexpected(); }; - pp$5.parseExprImport = function(forNew) { - var node = this.startNode(); - - // Consume `import` as an identifier for `import.meta`. - // Because `this.parseIdent(true)` doesn't check escape sequences, it needs the check of `this.containsEsc`. - if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword import"); } - this.next(); - - if (this.type === types$1.parenL && !forNew) { - return this.parseDynamicImport(node) - } else if (this.type === types$1.dot) { - var meta = this.startNodeAt(node.start, node.loc && node.loc.start); - meta.name = "import"; - node.meta = this.finishNode(meta, "Identifier"); - return this.parseImportMeta(node) - } else { - this.unexpected(); - } + var node = this.startNode(); + if (this.containsEsc) this.raiseRecoverable(this.start, "Escape sequence in keyword import"); + this.next(); + if (this.type === types$1.parenL && !forNew) return this.parseDynamicImport(node); + else if (this.type === types$1.dot) { + var meta = this.startNodeAt(node.start, node.loc && node.loc.start); + meta.name = "import"; + node.meta = this.finishNode(meta, "Identifier"); + return this.parseImportMeta(node); + } else this.unexpected(); }; - pp$5.parseDynamicImport = function(node) { - this.next(); // skip `(` - - // Parse node.source. - node.source = this.parseMaybeAssign(); - - if (this.options.ecmaVersion >= 16) { - if (!this.eat(types$1.parenR)) { - this.expect(types$1.comma); - if (!this.afterTrailingComma(types$1.parenR)) { - node.options = this.parseMaybeAssign(); - if (!this.eat(types$1.parenR)) { - this.expect(types$1.comma); - if (!this.afterTrailingComma(types$1.parenR)) { - this.unexpected(); - } - } - } else { - node.options = null; - } - } else { - node.options = null; - } - } else { - // Verify ending. - if (!this.eat(types$1.parenR)) { - var errorPos = this.start; - if (this.eat(types$1.comma) && this.eat(types$1.parenR)) { - this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); - } else { - this.unexpected(errorPos); - } - } - } - - return this.finishNode(node, "ImportExpression") + this.next(); + node.source = this.parseMaybeAssign(); + if (this.options.ecmaVersion >= 16) if (!this.eat(types$1.parenR)) { + this.expect(types$1.comma); + if (!this.afterTrailingComma(types$1.parenR)) { + node.options = this.parseMaybeAssign(); + if (!this.eat(types$1.parenR)) { + this.expect(types$1.comma); + if (!this.afterTrailingComma(types$1.parenR)) this.unexpected(); + } + } else node.options = null; + } else node.options = null; + else if (!this.eat(types$1.parenR)) { + var errorPos = this.start; + if (this.eat(types$1.comma) && this.eat(types$1.parenR)) this.raiseRecoverable(errorPos, "Trailing comma is not allowed in import()"); + else this.unexpected(errorPos); + } + return this.finishNode(node, "ImportExpression"); }; - pp$5.parseImportMeta = function(node) { - this.next(); // skip `.` - - var containsEsc = this.containsEsc; - node.property = this.parseIdent(true); - - if (node.property.name !== "meta") - { this.raiseRecoverable(node.property.start, "The only valid meta property for import is 'import.meta'"); } - if (containsEsc) - { this.raiseRecoverable(node.start, "'import.meta' must not contain escaped characters"); } - if (this.options.sourceType !== "module" && !this.options.allowImportExportEverywhere) - { this.raiseRecoverable(node.start, "Cannot use 'import.meta' outside a module"); } - - return this.finishNode(node, "MetaProperty") + this.next(); + var containsEsc = this.containsEsc; + node.property = this.parseIdent(true); + if (node.property.name !== "meta") this.raiseRecoverable(node.property.start, "The only valid meta property for import is 'import.meta'"); + if (containsEsc) this.raiseRecoverable(node.start, "'import.meta' must not contain escaped characters"); + if (this.options.sourceType !== "module" && !this.options.allowImportExportEverywhere) this.raiseRecoverable(node.start, "Cannot use 'import.meta' outside a module"); + return this.finishNode(node, "MetaProperty"); }; - pp$5.parseLiteral = function(value) { - var node = this.startNode(); - node.value = value; - node.raw = this.input.slice(this.start, this.end); - if (node.raw.charCodeAt(node.raw.length - 1) === 110) { node.bigint = node.raw.slice(0, -1).replace(/_/g, ""); } - this.next(); - return this.finishNode(node, "Literal") + var node = this.startNode(); + node.value = value; + node.raw = this.input.slice(this.start, this.end); + if (node.raw.charCodeAt(node.raw.length - 1) === 110) node.bigint = node.raw.slice(0, -1).replace(/_/g, ""); + this.next(); + return this.finishNode(node, "Literal"); }; - pp$5.parseParenExpression = function() { - this.expect(types$1.parenL); - var val = this.parseExpression(); - this.expect(types$1.parenR); - return val + this.expect(types$1.parenL); + var val = this.parseExpression(); + this.expect(types$1.parenR); + return val; }; - pp$5.shouldParseArrow = function(exprList) { - return !this.canInsertSemicolon() + return !this.canInsertSemicolon(); }; - pp$5.parseParenAndDistinguishExpression = function(canBeArrow, forInit) { - var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; - if (this.options.ecmaVersion >= 6) { - this.next(); - - var innerStartPos = this.start, innerStartLoc = this.startLoc; - var exprList = [], first = true, lastIsComma = false; - var refDestructuringErrors = new DestructuringErrors, oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart; - this.yieldPos = 0; - this.awaitPos = 0; - // Do not save awaitIdentPos to allow checking awaits nested in parameters - while (this.type !== types$1.parenR) { - first ? first = false : this.expect(types$1.comma); - if (allowTrailingComma && this.afterTrailingComma(types$1.parenR, true)) { - lastIsComma = true; - break - } else if (this.type === types$1.ellipsis) { - spreadStart = this.start; - exprList.push(this.parseParenItem(this.parseRestBinding())); - if (this.type === types$1.comma) { - this.raiseRecoverable( - this.start, - "Comma is not permitted after the rest element" - ); - } - break - } else { - exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); - } - } - var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; - this.expect(types$1.parenR); - - if (canBeArrow && this.shouldParseArrow(exprList) && this.eat(types$1.arrow)) { - this.checkPatternErrors(refDestructuringErrors, false); - this.checkYieldAwaitInDefaultParams(); - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - return this.parseParenArrowList(startPos, startLoc, exprList, forInit) - } - - if (!exprList.length || lastIsComma) { this.unexpected(this.lastTokStart); } - if (spreadStart) { this.unexpected(spreadStart); } - this.checkExpressionErrors(refDestructuringErrors, true); - this.yieldPos = oldYieldPos || this.yieldPos; - this.awaitPos = oldAwaitPos || this.awaitPos; - - if (exprList.length > 1) { - val = this.startNodeAt(innerStartPos, innerStartLoc); - val.expressions = exprList; - this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc); - } else { - val = exprList[0]; - } - } else { - val = this.parseParenExpression(); - } - - if (this.options.preserveParens) { - var par = this.startNodeAt(startPos, startLoc); - par.expression = val; - return this.finishNode(par, "ParenthesizedExpression") - } else { - return val - } + var startPos = this.start, startLoc = this.startLoc, val, allowTrailingComma = this.options.ecmaVersion >= 8; + if (this.options.ecmaVersion >= 6) { + this.next(); + var innerStartPos = this.start, innerStartLoc = this.startLoc; + var exprList = [], first = true, lastIsComma = false; + var refDestructuringErrors = new DestructuringErrors(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, spreadStart; + this.yieldPos = 0; + this.awaitPos = 0; + while (this.type !== types$1.parenR) { + first ? first = false : this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(types$1.parenR, true)) { + lastIsComma = true; + break; + } else if (this.type === types$1.ellipsis) { + spreadStart = this.start; + exprList.push(this.parseParenItem(this.parseRestBinding())); + if (this.type === types$1.comma) this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); + break; + } else exprList.push(this.parseMaybeAssign(false, refDestructuringErrors, this.parseParenItem)); + } + var innerEndPos = this.lastTokEnd, innerEndLoc = this.lastTokEndLoc; + this.expect(types$1.parenR); + if (canBeArrow && this.shouldParseArrow(exprList) && this.eat(types$1.arrow)) { + this.checkPatternErrors(refDestructuringErrors, false); + this.checkYieldAwaitInDefaultParams(); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + return this.parseParenArrowList(startPos, startLoc, exprList, forInit); + } + if (!exprList.length || lastIsComma) this.unexpected(this.lastTokStart); + if (spreadStart) this.unexpected(spreadStart); + this.checkExpressionErrors(refDestructuringErrors, true); + this.yieldPos = oldYieldPos || this.yieldPos; + this.awaitPos = oldAwaitPos || this.awaitPos; + if (exprList.length > 1) { + val = this.startNodeAt(innerStartPos, innerStartLoc); + val.expressions = exprList; + this.finishNodeAt(val, "SequenceExpression", innerEndPos, innerEndLoc); + } else val = exprList[0]; + } else val = this.parseParenExpression(); + if (this.options.preserveParens) { + var par = this.startNodeAt(startPos, startLoc); + par.expression = val; + return this.finishNode(par, "ParenthesizedExpression"); + } else return val; }; - pp$5.parseParenItem = function(item) { - return item + return item; }; - pp$5.parseParenArrowList = function(startPos, startLoc, exprList, forInit) { - return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, false, forInit) + return this.parseArrowExpression(this.startNodeAt(startPos, startLoc), exprList, false, forInit); }; - -// New's precedence is slightly tricky. It must allow its argument to -// be a `[]` or dot subscript expression, but not a call — at least, -// not without wrapping it in parentheses. Thus, it uses the noCalls -// argument to parseSubscripts to prevent it from consuming the -// argument list. - var empty = []; - pp$5.parseNew = function() { - if (this.containsEsc) { this.raiseRecoverable(this.start, "Escape sequence in keyword new"); } - var node = this.startNode(); - this.next(); - if (this.options.ecmaVersion >= 6 && this.type === types$1.dot) { - var meta = this.startNodeAt(node.start, node.loc && node.loc.start); - meta.name = "new"; - node.meta = this.finishNode(meta, "Identifier"); - this.next(); - var containsEsc = this.containsEsc; - node.property = this.parseIdent(true); - if (node.property.name !== "target") - { this.raiseRecoverable(node.property.start, "The only valid meta property for new is 'new.target'"); } - if (containsEsc) - { this.raiseRecoverable(node.start, "'new.target' must not contain escaped characters"); } - if (!this.allowNewDotTarget) - { this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); } - return this.finishNode(node, "MetaProperty") - } - var startPos = this.start, startLoc = this.startLoc; - node.callee = this.parseSubscripts(this.parseExprAtom(null, false, true), startPos, startLoc, true, false); - if (this.eat(types$1.parenL)) { node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); } - else { node.arguments = empty; } - return this.finishNode(node, "NewExpression") -}; - -// Parse template expression. - -pp$5.parseTemplateElement = function(ref) { - var isTagged = ref.isTagged; - - var elem = this.startNode(); - if (this.type === types$1.invalidTemplate) { - if (!isTagged) { - this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); - } - elem.value = { - raw: this.value.replace(/\r\n?/g, "\n"), - cooked: null - }; - } else { - elem.value = { - raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"), - cooked: this.value - }; - } - this.next(); - elem.tail = this.type === types$1.backQuote; - return this.finishNode(elem, "TemplateElement") + if (this.containsEsc) this.raiseRecoverable(this.start, "Escape sequence in keyword new"); + var node = this.startNode(); + this.next(); + if (this.options.ecmaVersion >= 6 && this.type === types$1.dot) { + var meta = this.startNodeAt(node.start, node.loc && node.loc.start); + meta.name = "new"; + node.meta = this.finishNode(meta, "Identifier"); + this.next(); + var containsEsc = this.containsEsc; + node.property = this.parseIdent(true); + if (node.property.name !== "target") this.raiseRecoverable(node.property.start, "The only valid meta property for new is 'new.target'"); + if (containsEsc) this.raiseRecoverable(node.start, "'new.target' must not contain escaped characters"); + if (!this.allowNewDotTarget) this.raiseRecoverable(node.start, "'new.target' can only be used in functions and class static block"); + return this.finishNode(node, "MetaProperty"); + } + var startPos = this.start, startLoc = this.startLoc; + node.callee = this.parseSubscripts(this.parseExprAtom(null, false, true), startPos, startLoc, true, false); + if (this.eat(types$1.parenL)) node.arguments = this.parseExprList(types$1.parenR, this.options.ecmaVersion >= 8, false); + else node.arguments = empty; + return this.finishNode(node, "NewExpression"); +}; +pp$5.parseTemplateElement = function(ref$1) { + var isTagged = ref$1.isTagged; + var elem = this.startNode(); + if (this.type === types$1.invalidTemplate) { + if (!isTagged) this.raiseRecoverable(this.start, "Bad escape sequence in untagged template literal"); + elem.value = { + raw: this.value.replace(/\r\n?/g, "\n"), + cooked: null + }; + } else elem.value = { + raw: this.input.slice(this.start, this.end).replace(/\r\n?/g, "\n"), + cooked: this.value + }; + this.next(); + elem.tail = this.type === types$1.backQuote; + return this.finishNode(elem, "TemplateElement"); +}; +pp$5.parseTemplate = function(ref$1) { + if (ref$1 === void 0) ref$1 = {}; + var isTagged = ref$1.isTagged; + if (isTagged === void 0) isTagged = false; + var node = this.startNode(); + this.next(); + node.expressions = []; + var curElt = this.parseTemplateElement({ isTagged }); + node.quasis = [curElt]; + while (!curElt.tail) { + if (this.type === types$1.eof) this.raise(this.pos, "Unterminated template literal"); + this.expect(types$1.dollarBraceL); + node.expressions.push(this.parseExpression()); + this.expect(types$1.braceR); + node.quasis.push(curElt = this.parseTemplateElement({ isTagged })); + } + this.next(); + return this.finishNode(node, "TemplateLiteral"); }; - -pp$5.parseTemplate = function(ref) { - if ( ref === void 0 ) ref = {}; - var isTagged = ref.isTagged; if ( isTagged === void 0 ) isTagged = false; - - var node = this.startNode(); - this.next(); - node.expressions = []; - var curElt = this.parseTemplateElement({isTagged: isTagged}); - node.quasis = [curElt]; - while (!curElt.tail) { - if (this.type === types$1.eof) { this.raise(this.pos, "Unterminated template literal"); } - this.expect(types$1.dollarBraceL); - node.expressions.push(this.parseExpression()); - this.expect(types$1.braceR); - node.quasis.push(curElt = this.parseTemplateElement({isTagged: isTagged})); - } - this.next(); - return this.finishNode(node, "TemplateLiteral") -}; - pp$5.isAsyncProp = function(prop) { - return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && - (this.type === types$1.name || this.type === types$1.num || this.type === types$1.string || this.type === types$1.bracketL || this.type.keyword || (this.options.ecmaVersion >= 9 && this.type === types$1.star)) && - !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)) + return !prop.computed && prop.key.type === "Identifier" && prop.key.name === "async" && (this.type === types$1.name || this.type === types$1.num || this.type === types$1.string || this.type === types$1.bracketL || this.type.keyword || this.options.ecmaVersion >= 9 && this.type === types$1.star) && !lineBreak.test(this.input.slice(this.lastTokEnd, this.start)); }; - -// Parse an object literal or binding pattern. - pp$5.parseObj = function(isPattern, refDestructuringErrors) { - var node = this.startNode(), first = true, propHash = {}; - node.properties = []; - this.next(); - while (!this.eat(types$1.braceR)) { - if (!first) { - this.expect(types$1.comma); - if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types$1.braceR)) { break } - } else { first = false; } - - var prop = this.parseProperty(isPattern, refDestructuringErrors); - if (!isPattern) { this.checkPropClash(prop, propHash, refDestructuringErrors); } - node.properties.push(prop); - } - return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression") + var node = this.startNode(), first = true, propHash = {}; + node.properties = []; + this.next(); + while (!this.eat(types$1.braceR)) { + if (!first) { + this.expect(types$1.comma); + if (this.options.ecmaVersion >= 5 && this.afterTrailingComma(types$1.braceR)) break; + } else first = false; + var prop = this.parseProperty(isPattern, refDestructuringErrors); + if (!isPattern) this.checkPropClash(prop, propHash, refDestructuringErrors); + node.properties.push(prop); + } + return this.finishNode(node, isPattern ? "ObjectPattern" : "ObjectExpression"); }; - pp$5.parseProperty = function(isPattern, refDestructuringErrors) { - var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; - if (this.options.ecmaVersion >= 9 && this.eat(types$1.ellipsis)) { - if (isPattern) { - prop.argument = this.parseIdent(false); - if (this.type === types$1.comma) { - this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); - } - return this.finishNode(prop, "RestElement") - } - // Parse argument. - prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); - // To disallow trailing comma via `this.toAssignable()`. - if (this.type === types$1.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) { - refDestructuringErrors.trailingComma = this.start; - } - // Finish - return this.finishNode(prop, "SpreadElement") - } - if (this.options.ecmaVersion >= 6) { - prop.method = false; - prop.shorthand = false; - if (isPattern || refDestructuringErrors) { - startPos = this.start; - startLoc = this.startLoc; - } - if (!isPattern) - { isGenerator = this.eat(types$1.star); } - } - var containsEsc = this.containsEsc; - this.parsePropertyName(prop); - if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { - isAsync = true; - isGenerator = this.options.ecmaVersion >= 9 && this.eat(types$1.star); - this.parsePropertyName(prop); - } else { - isAsync = false; - } - this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc); - return this.finishNode(prop, "Property") + var prop = this.startNode(), isGenerator, isAsync, startPos, startLoc; + if (this.options.ecmaVersion >= 9 && this.eat(types$1.ellipsis)) { + if (isPattern) { + prop.argument = this.parseIdent(false); + if (this.type === types$1.comma) this.raiseRecoverable(this.start, "Comma is not permitted after the rest element"); + return this.finishNode(prop, "RestElement"); + } + prop.argument = this.parseMaybeAssign(false, refDestructuringErrors); + if (this.type === types$1.comma && refDestructuringErrors && refDestructuringErrors.trailingComma < 0) refDestructuringErrors.trailingComma = this.start; + return this.finishNode(prop, "SpreadElement"); + } + if (this.options.ecmaVersion >= 6) { + prop.method = false; + prop.shorthand = false; + if (isPattern || refDestructuringErrors) { + startPos = this.start; + startLoc = this.startLoc; + } + if (!isPattern) isGenerator = this.eat(types$1.star); + } + var containsEsc = this.containsEsc; + this.parsePropertyName(prop); + if (!isPattern && !containsEsc && this.options.ecmaVersion >= 8 && !isGenerator && this.isAsyncProp(prop)) { + isAsync = true; + isGenerator = this.options.ecmaVersion >= 9 && this.eat(types$1.star); + this.parsePropertyName(prop); + } else isAsync = false; + this.parsePropertyValue(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc); + return this.finishNode(prop, "Property"); }; - pp$5.parseGetterSetter = function(prop) { - prop.kind = prop.key.name; - this.parsePropertyName(prop); - prop.value = this.parseMethod(false); - var paramCount = prop.kind === "get" ? 0 : 1; - if (prop.value.params.length !== paramCount) { - var start = prop.value.start; - if (prop.kind === "get") - { this.raiseRecoverable(start, "getter should have no params"); } - else - { this.raiseRecoverable(start, "setter should have exactly one param"); } - } else { - if (prop.kind === "set" && prop.value.params[0].type === "RestElement") - { this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); } - } + prop.kind = prop.key.name; + this.parsePropertyName(prop); + prop.value = this.parseMethod(false); + var paramCount = prop.kind === "get" ? 0 : 1; + if (prop.value.params.length !== paramCount) { + var start = prop.value.start; + if (prop.kind === "get") this.raiseRecoverable(start, "getter should have no params"); + else this.raiseRecoverable(start, "setter should have exactly one param"); + } else if (prop.kind === "set" && prop.value.params[0].type === "RestElement") this.raiseRecoverable(prop.value.params[0].start, "Setter cannot use rest params"); }; - pp$5.parsePropertyValue = function(prop, isPattern, isGenerator, isAsync, startPos, startLoc, refDestructuringErrors, containsEsc) { - if ((isGenerator || isAsync) && this.type === types$1.colon) - { this.unexpected(); } - - if (this.eat(types$1.colon)) { - prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); - prop.kind = "init"; - } else if (this.options.ecmaVersion >= 6 && this.type === types$1.parenL) { - if (isPattern) { this.unexpected(); } - prop.kind = "init"; - prop.method = true; - prop.value = this.parseMethod(isGenerator, isAsync); - } else if (!isPattern && !containsEsc && - this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && - (prop.key.name === "get" || prop.key.name === "set") && - (this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq)) { - if (isGenerator || isAsync) { this.unexpected(); } - this.parseGetterSetter(prop); - } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { - if (isGenerator || isAsync) { this.unexpected(); } - this.checkUnreserved(prop.key); - if (prop.key.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = startPos; } - prop.kind = "init"; - if (isPattern) { - prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); - } else if (this.type === types$1.eq && refDestructuringErrors) { - if (refDestructuringErrors.shorthandAssign < 0) - { refDestructuringErrors.shorthandAssign = this.start; } - prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); - } else { - prop.value = this.copyNode(prop.key); - } - prop.shorthand = true; - } else { this.unexpected(); } + if ((isGenerator || isAsync) && this.type === types$1.colon) this.unexpected(); + if (this.eat(types$1.colon)) { + prop.value = isPattern ? this.parseMaybeDefault(this.start, this.startLoc) : this.parseMaybeAssign(false, refDestructuringErrors); + prop.kind = "init"; + } else if (this.options.ecmaVersion >= 6 && this.type === types$1.parenL) { + if (isPattern) this.unexpected(); + prop.kind = "init"; + prop.method = true; + prop.value = this.parseMethod(isGenerator, isAsync); + } else if (!isPattern && !containsEsc && this.options.ecmaVersion >= 5 && !prop.computed && prop.key.type === "Identifier" && (prop.key.name === "get" || prop.key.name === "set") && this.type !== types$1.comma && this.type !== types$1.braceR && this.type !== types$1.eq) { + if (isGenerator || isAsync) this.unexpected(); + this.parseGetterSetter(prop); + } else if (this.options.ecmaVersion >= 6 && !prop.computed && prop.key.type === "Identifier") { + if (isGenerator || isAsync) this.unexpected(); + this.checkUnreserved(prop.key); + if (prop.key.name === "await" && !this.awaitIdentPos) this.awaitIdentPos = startPos; + prop.kind = "init"; + if (isPattern) prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); + else if (this.type === types$1.eq && refDestructuringErrors) { + if (refDestructuringErrors.shorthandAssign < 0) refDestructuringErrors.shorthandAssign = this.start; + prop.value = this.parseMaybeDefault(startPos, startLoc, this.copyNode(prop.key)); + } else prop.value = this.copyNode(prop.key); + prop.shorthand = true; + } else this.unexpected(); }; - pp$5.parsePropertyName = function(prop) { - if (this.options.ecmaVersion >= 6) { - if (this.eat(types$1.bracketL)) { - prop.computed = true; - prop.key = this.parseMaybeAssign(); - this.expect(types$1.bracketR); - return prop.key - } else { - prop.computed = false; - } - } - return prop.key = this.type === types$1.num || this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never") + if (this.options.ecmaVersion >= 6) if (this.eat(types$1.bracketL)) { + prop.computed = true; + prop.key = this.parseMaybeAssign(); + this.expect(types$1.bracketR); + return prop.key; + } else prop.computed = false; + return prop.key = this.type === types$1.num || this.type === types$1.string ? this.parseExprAtom() : this.parseIdent(this.options.allowReserved !== "never"); }; - -// Initialize empty function node. - pp$5.initFunction = function(node) { - node.id = null; - if (this.options.ecmaVersion >= 6) { node.generator = node.expression = false; } - if (this.options.ecmaVersion >= 8) { node.async = false; } + node.id = null; + if (this.options.ecmaVersion >= 6) node.generator = node.expression = false; + if (this.options.ecmaVersion >= 8) node.async = false; }; - -// Parse object or class method. - pp$5.parseMethod = function(isGenerator, isAsync, allowDirectSuper) { - var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - - this.initFunction(node); - if (this.options.ecmaVersion >= 6) - { node.generator = isGenerator; } - if (this.options.ecmaVersion >= 8) - { node.async = !!isAsync; } - - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); - - this.expect(types$1.parenL); - node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); - this.checkYieldAwaitInDefaultParams(); - this.parseFunctionBody(node, false, true, false); - - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.finishNode(node, "FunctionExpression") + var node = this.startNode(), oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.initFunction(node); + if (this.options.ecmaVersion >= 6) node.generator = isGenerator; + if (this.options.ecmaVersion >= 8) node.async = !!isAsync; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + this.enterScope(functionFlags(isAsync, node.generator) | SCOPE_SUPER | (allowDirectSuper ? SCOPE_DIRECT_SUPER : 0)); + this.expect(types$1.parenL); + node.params = this.parseBindingList(types$1.parenR, false, this.options.ecmaVersion >= 8); + this.checkYieldAwaitInDefaultParams(); + this.parseFunctionBody(node, false, true, false); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, "FunctionExpression"); }; - -// Parse arrow function expression with given parameters. - pp$5.parseArrowExpression = function(node, params, isAsync, forInit) { - var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; - - this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); - this.initFunction(node); - if (this.options.ecmaVersion >= 8) { node.async = !!isAsync; } - - this.yieldPos = 0; - this.awaitPos = 0; - this.awaitIdentPos = 0; - - node.params = this.toAssignableList(params, true); - this.parseFunctionBody(node, true, false, forInit); - - this.yieldPos = oldYieldPos; - this.awaitPos = oldAwaitPos; - this.awaitIdentPos = oldAwaitIdentPos; - return this.finishNode(node, "ArrowFunctionExpression") + var oldYieldPos = this.yieldPos, oldAwaitPos = this.awaitPos, oldAwaitIdentPos = this.awaitIdentPos; + this.enterScope(functionFlags(isAsync, false) | SCOPE_ARROW); + this.initFunction(node); + if (this.options.ecmaVersion >= 8) node.async = !!isAsync; + this.yieldPos = 0; + this.awaitPos = 0; + this.awaitIdentPos = 0; + node.params = this.toAssignableList(params, true); + this.parseFunctionBody(node, true, false, forInit); + this.yieldPos = oldYieldPos; + this.awaitPos = oldAwaitPos; + this.awaitIdentPos = oldAwaitIdentPos; + return this.finishNode(node, "ArrowFunctionExpression"); }; - -// Parse function body and check parameters. - pp$5.parseFunctionBody = function(node, isArrowFunction, isMethod, forInit) { - var isExpression = isArrowFunction && this.type !== types$1.braceL; - var oldStrict = this.strict, useStrict = false; - - if (isExpression) { - node.body = this.parseMaybeAssign(forInit); - node.expression = true; - this.checkParams(node, false); - } else { - var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params); - if (!oldStrict || nonSimple) { - useStrict = this.strictDirective(this.end); - // If this is a strict mode function, verify that argument names - // are not repeated, and it does not try to bind the words `eval` - // or `arguments`. - if (useStrict && nonSimple) - { this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); } - } - // Start a new scope with regard to labels and the `inFunction` - // flag (restore them to their old value afterwards). - var oldLabels = this.labels; - this.labels = []; - if (useStrict) { this.strict = true; } - - // Add the params to varDeclaredNames to ensure that an error is thrown - // if a let/const declaration in the function clashes with one of the params. - this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params)); - // Ensure the function name isn't a forbidden identifier in strict mode, e.g. 'eval' - if (this.strict && node.id) { this.checkLValSimple(node.id, BIND_OUTSIDE); } - node.body = this.parseBlock(false, undefined, useStrict && !oldStrict); - node.expression = false; - this.adaptDirectivePrologue(node.body.body); - this.labels = oldLabels; - } - this.exitScope(); + var isExpression = isArrowFunction && this.type !== types$1.braceL; + var oldStrict = this.strict, useStrict = false; + if (isExpression) { + node.body = this.parseMaybeAssign(forInit); + node.expression = true; + this.checkParams(node, false); + } else { + var nonSimple = this.options.ecmaVersion >= 7 && !this.isSimpleParamList(node.params); + if (!oldStrict || nonSimple) { + useStrict = this.strictDirective(this.end); + if (useStrict && nonSimple) this.raiseRecoverable(node.start, "Illegal 'use strict' directive in function with non-simple parameter list"); + } + var oldLabels = this.labels; + this.labels = []; + if (useStrict) this.strict = true; + this.checkParams(node, !oldStrict && !useStrict && !isArrowFunction && !isMethod && this.isSimpleParamList(node.params)); + if (this.strict && node.id) this.checkLValSimple(node.id, BIND_OUTSIDE); + node.body = this.parseBlock(false, undefined, useStrict && !oldStrict); + node.expression = false; + this.adaptDirectivePrologue(node.body.body); + this.labels = oldLabels; + } + this.exitScope(); }; - pp$5.isSimpleParamList = function(params) { - for (var i = 0, list = params; i < list.length; i += 1) - { - var param = list[i]; - - if (param.type !== "Identifier") { return false - } } - return true + for (var i$1 = 0, list$1 = params; i$1 < list$1.length; i$1 += 1) { + var param = list$1[i$1]; + if (param.type !== "Identifier") return false; + } + return true; }; - -// Checks function params for various disallowed patterns such as using "eval" -// or "arguments" and duplicate parameters. - pp$5.checkParams = function(node, allowDuplicates) { - var nameHash = Object.create(null); - for (var i = 0, list = node.params; i < list.length; i += 1) - { - var param = list[i]; - - this.checkLValInnerPattern(param, BIND_VAR, allowDuplicates ? null : nameHash); - } + var nameHash = Object.create(null); + for (var i$1 = 0, list$1 = node.params; i$1 < list$1.length; i$1 += 1) { + var param = list$1[i$1]; + this.checkLValInnerPattern(param, BIND_VAR, allowDuplicates ? null : nameHash); + } }; - -// Parses a comma-separated list of expressions, and returns them as -// an array. `close` is the token type that ends the list, and -// `allowEmpty` can be turned on to allow subsequent commas with -// nothing in between them to be parsed as `null` (which is needed -// for array literals). - pp$5.parseExprList = function(close, allowTrailingComma, allowEmpty, refDestructuringErrors) { - var elts = [], first = true; - while (!this.eat(close)) { - if (!first) { - this.expect(types$1.comma); - if (allowTrailingComma && this.afterTrailingComma(close)) { break } - } else { first = false; } - - var elt = (void 0); - if (allowEmpty && this.type === types$1.comma) - { elt = null; } - else if (this.type === types$1.ellipsis) { - elt = this.parseSpread(refDestructuringErrors); - if (refDestructuringErrors && this.type === types$1.comma && refDestructuringErrors.trailingComma < 0) - { refDestructuringErrors.trailingComma = this.start; } - } else { - elt = this.parseMaybeAssign(false, refDestructuringErrors); - } - elts.push(elt); - } - return elts -}; - -pp$5.checkUnreserved = function(ref) { - var start = ref.start; - var end = ref.end; - var name = ref.name; - - if (this.inGenerator && name === "yield") - { this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator"); } - if (this.inAsync && name === "await") - { this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function"); } - if (this.currentThisScope().inClassFieldInit && name === "arguments") - { this.raiseRecoverable(start, "Cannot use 'arguments' in class field initializer"); } - if (this.inClassStaticBlock && (name === "arguments" || name === "await")) - { this.raise(start, ("Cannot use " + name + " in class static initialization block")); } - if (this.keywords.test(name)) - { this.raise(start, ("Unexpected keyword '" + name + "'")); } - if (this.options.ecmaVersion < 6 && - this.input.slice(start, end).indexOf("\\") !== -1) { return } - var re = this.strict ? this.reservedWordsStrict : this.reservedWords; - if (re.test(name)) { - if (!this.inAsync && name === "await") - { this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function"); } - this.raiseRecoverable(start, ("The keyword '" + name + "' is reserved")); - } + var elts = [], first = true; + while (!this.eat(close)) { + if (!first) { + this.expect(types$1.comma); + if (allowTrailingComma && this.afterTrailingComma(close)) break; + } else first = false; + var elt = void 0; + if (allowEmpty && this.type === types$1.comma) elt = null; + else if (this.type === types$1.ellipsis) { + elt = this.parseSpread(refDestructuringErrors); + if (refDestructuringErrors && this.type === types$1.comma && refDestructuringErrors.trailingComma < 0) refDestructuringErrors.trailingComma = this.start; + } else elt = this.parseMaybeAssign(false, refDestructuringErrors); + elts.push(elt); + } + return elts; +}; +pp$5.checkUnreserved = function(ref$1) { + var start = ref$1.start; + var end = ref$1.end; + var name = ref$1.name; + if (this.inGenerator && name === "yield") this.raiseRecoverable(start, "Cannot use 'yield' as identifier inside a generator"); + if (this.inAsync && name === "await") this.raiseRecoverable(start, "Cannot use 'await' as identifier inside an async function"); + if (this.currentThisScope().inClassFieldInit && name === "arguments") this.raiseRecoverable(start, "Cannot use 'arguments' in class field initializer"); + if (this.inClassStaticBlock && (name === "arguments" || name === "await")) this.raise(start, "Cannot use " + name + " in class static initialization block"); + if (this.keywords.test(name)) this.raise(start, "Unexpected keyword '" + name + "'"); + if (this.options.ecmaVersion < 6 && this.input.slice(start, end).indexOf("\\") !== -1) return; + var re = this.strict ? this.reservedWordsStrict : this.reservedWords; + if (re.test(name)) { + if (!this.inAsync && name === "await") this.raiseRecoverable(start, "Cannot use keyword 'await' outside an async function"); + this.raiseRecoverable(start, "The keyword '" + name + "' is reserved"); + } }; - -// Parse the next token as an identifier. If `liberal` is true (used -// when parsing properties), it will also convert keywords into -// identifiers. - pp$5.parseIdent = function(liberal) { - var node = this.parseIdentNode(); - this.next(!!liberal); - this.finishNode(node, "Identifier"); - if (!liberal) { - this.checkUnreserved(node); - if (node.name === "await" && !this.awaitIdentPos) - { this.awaitIdentPos = node.start; } - } - return node + var node = this.parseIdentNode(); + this.next(!!liberal); + this.finishNode(node, "Identifier"); + if (!liberal) { + this.checkUnreserved(node); + if (node.name === "await" && !this.awaitIdentPos) this.awaitIdentPos = node.start; + } + return node; }; - pp$5.parseIdentNode = function() { - var node = this.startNode(); - if (this.type === types$1.name) { - node.name = this.value; - } else if (this.type.keyword) { - node.name = this.type.keyword; - - // To fix https://github.com/acornjs/acorn/issues/575 - // `class` and `function` keywords push new context into this.context. - // But there is no chance to pop the context if the keyword is consumed as an identifier such as a property name. - // If the previous token is a dot, this does not apply because the context-managing code already ignored the keyword - if ((node.name === "class" || node.name === "function") && - (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) { - this.context.pop(); - } - this.type = types$1.name; - } else { - this.unexpected(); - } - return node + var node = this.startNode(); + if (this.type === types$1.name) node.name = this.value; + else if (this.type.keyword) { + node.name = this.type.keyword; + if ((node.name === "class" || node.name === "function") && (this.lastTokEnd !== this.lastTokStart + 1 || this.input.charCodeAt(this.lastTokStart) !== 46)) this.context.pop(); + this.type = types$1.name; + } else this.unexpected(); + return node; }; - pp$5.parsePrivateIdent = function() { - var node = this.startNode(); - if (this.type === types$1.privateId) { - node.name = this.value; - } else { - this.unexpected(); - } - this.next(); - this.finishNode(node, "PrivateIdentifier"); - - // For validating existence - if (this.options.checkPrivateFields) { - if (this.privateNameStack.length === 0) { - this.raise(node.start, ("Private field '#" + (node.name) + "' must be declared in an enclosing class")); - } else { - this.privateNameStack[this.privateNameStack.length - 1].used.push(node); - } - } - - return node + var node = this.startNode(); + if (this.type === types$1.privateId) node.name = this.value; + else this.unexpected(); + this.next(); + this.finishNode(node, "PrivateIdentifier"); + if (this.options.checkPrivateFields) if (this.privateNameStack.length === 0) this.raise(node.start, "Private field '#" + node.name + "' must be declared in an enclosing class"); + else this.privateNameStack[this.privateNameStack.length - 1].used.push(node); + return node; }; - -// Parses yield expression inside generator. - pp$5.parseYield = function(forInit) { - if (!this.yieldPos) { this.yieldPos = this.start; } - - var node = this.startNode(); - this.next(); - if (this.type === types$1.semi || this.canInsertSemicolon() || (this.type !== types$1.star && !this.type.startsExpr)) { - node.delegate = false; - node.argument = null; - } else { - node.delegate = this.eat(types$1.star); - node.argument = this.parseMaybeAssign(forInit); - } - return this.finishNode(node, "YieldExpression") + if (!this.yieldPos) this.yieldPos = this.start; + var node = this.startNode(); + this.next(); + if (this.type === types$1.semi || this.canInsertSemicolon() || this.type !== types$1.star && !this.type.startsExpr) { + node.delegate = false; + node.argument = null; + } else { + node.delegate = this.eat(types$1.star); + node.argument = this.parseMaybeAssign(forInit); + } + return this.finishNode(node, "YieldExpression"); }; - pp$5.parseAwait = function(forInit) { - if (!this.awaitPos) { this.awaitPos = this.start; } - - var node = this.startNode(); - this.next(); - node.argument = this.parseMaybeUnary(null, true, false, forInit); - return this.finishNode(node, "AwaitExpression") + if (!this.awaitPos) this.awaitPos = this.start; + var node = this.startNode(); + this.next(); + node.argument = this.parseMaybeUnary(null, true, false, forInit); + return this.finishNode(node, "AwaitExpression"); }; - var pp$4 = Parser.prototype; - -// This function is used to raise exceptions on parse errors. It -// takes an offset integer (into the current `input`) to indicate -// the location of the error, attaches the position to the end -// of the error message, and then raises a `SyntaxError` with that -// message. - pp$4.raise = function(pos, message) { - var loc = getLineInfo(this.input, pos); - message += " (" + loc.line + ":" + loc.column + ")"; - var err = new SyntaxError(message); - err.pos = pos; err.loc = loc; err.raisedAt = this.pos; - throw err + var loc = getLineInfo(this.input, pos); + message += " (" + loc.line + ":" + loc.column + ")"; + var err = new SyntaxError(message); + err.pos = pos; + err.loc = loc; + err.raisedAt = this.pos; + throw err; }; - pp$4.raiseRecoverable = pp$4.raise; - pp$4.curPosition = function() { - if (this.options.locations) { - return new Position(this.curLine, this.pos - this.lineStart) - } + if (this.options.locations) return new Position(this.curLine, this.pos - this.lineStart); }; - var pp$3 = Parser.prototype; - -var Scope = function Scope(flags) { - this.flags = flags; - // A list of var-declared names in the current lexical scope - this.var = []; - // A list of lexically-declared names in the current lexical scope - this.lexical = []; - // A list of lexically-declared FunctionDeclaration names in the current lexical scope - this.functions = []; - // A switch to disallow the identifier reference 'arguments' - this.inClassFieldInit = false; +var Scope = function Scope$1(flags) { + this.flags = flags; + this.var = []; + this.lexical = []; + this.functions = []; + this.inClassFieldInit = false; }; - -// The functions in this module keep track of declared variables in the current scope in order to detect duplicate variable names. - pp$3.enterScope = function(flags) { - this.scopeStack.push(new Scope(flags)); + this.scopeStack.push(new Scope(flags)); }; - pp$3.exitScope = function() { - this.scopeStack.pop(); + this.scopeStack.pop(); }; - -// The spec says: -// > At the top level of a function, or script, function declarations are -// > treated like var declarations rather than like lexical declarations. pp$3.treatFunctionsAsVarInScope = function(scope) { - return (scope.flags & SCOPE_FUNCTION) || !this.inModule && (scope.flags & SCOPE_TOP) + return scope.flags & SCOPE_FUNCTION || !this.inModule && scope.flags & SCOPE_TOP; }; - pp$3.declareName = function(name, bindingType, pos) { - var redeclared = false; - if (bindingType === BIND_LEXICAL) { - var scope = this.currentScope(); - redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1; - scope.lexical.push(name); - if (this.inModule && (scope.flags & SCOPE_TOP)) - { delete this.undefinedExports[name]; } - } else if (bindingType === BIND_SIMPLE_CATCH) { - var scope$1 = this.currentScope(); - scope$1.lexical.push(name); - } else if (bindingType === BIND_FUNCTION) { - var scope$2 = this.currentScope(); - if (this.treatFunctionsAsVar) - { redeclared = scope$2.lexical.indexOf(name) > -1; } - else - { redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1; } - scope$2.functions.push(name); - } else { - for (var i = this.scopeStack.length - 1; i >= 0; --i) { - var scope$3 = this.scopeStack[i]; - if (scope$3.lexical.indexOf(name) > -1 && !((scope$3.flags & SCOPE_SIMPLE_CATCH) && scope$3.lexical[0] === name) || - !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) { - redeclared = true; - break - } - scope$3.var.push(name); - if (this.inModule && (scope$3.flags & SCOPE_TOP)) - { delete this.undefinedExports[name]; } - if (scope$3.flags & SCOPE_VAR) { break } - } - } - if (redeclared) { this.raiseRecoverable(pos, ("Identifier '" + name + "' has already been declared")); } + var redeclared = false; + if (bindingType === BIND_LEXICAL) { + var scope = this.currentScope(); + redeclared = scope.lexical.indexOf(name) > -1 || scope.functions.indexOf(name) > -1 || scope.var.indexOf(name) > -1; + scope.lexical.push(name); + if (this.inModule && scope.flags & SCOPE_TOP) delete this.undefinedExports[name]; + } else if (bindingType === BIND_SIMPLE_CATCH) { + var scope$1 = this.currentScope(); + scope$1.lexical.push(name); + } else if (bindingType === BIND_FUNCTION) { + var scope$2 = this.currentScope(); + if (this.treatFunctionsAsVar) redeclared = scope$2.lexical.indexOf(name) > -1; + else redeclared = scope$2.lexical.indexOf(name) > -1 || scope$2.var.indexOf(name) > -1; + scope$2.functions.push(name); + } else for (var i$1 = this.scopeStack.length - 1; i$1 >= 0; --i$1) { + var scope$3 = this.scopeStack[i$1]; + if (scope$3.lexical.indexOf(name) > -1 && !(scope$3.flags & SCOPE_SIMPLE_CATCH && scope$3.lexical[0] === name) || !this.treatFunctionsAsVarInScope(scope$3) && scope$3.functions.indexOf(name) > -1) { + redeclared = true; + break; + } + scope$3.var.push(name); + if (this.inModule && scope$3.flags & SCOPE_TOP) delete this.undefinedExports[name]; + if (scope$3.flags & SCOPE_VAR) break; + } + if (redeclared) this.raiseRecoverable(pos, "Identifier '" + name + "' has already been declared"); }; - pp$3.checkLocalExport = function(id) { - // scope.functions must be empty as Module code is always strict. - if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && - this.scopeStack[0].var.indexOf(id.name) === -1) { - this.undefinedExports[id.name] = id; - } + if (this.scopeStack[0].lexical.indexOf(id.name) === -1 && this.scopeStack[0].var.indexOf(id.name) === -1) this.undefinedExports[id.name] = id; }; - pp$3.currentScope = function() { - return this.scopeStack[this.scopeStack.length - 1] + return this.scopeStack[this.scopeStack.length - 1]; }; - pp$3.currentVarScope = function() { - for (var i = this.scopeStack.length - 1;; i--) { - var scope = this.scopeStack[i]; - if (scope.flags & SCOPE_VAR) { return scope } - } + for (var i$1 = this.scopeStack.length - 1;; i$1--) { + var scope = this.scopeStack[i$1]; + if (scope.flags & SCOPE_VAR) return scope; + } }; - -// Could be useful for `this`, `new.target`, `super()`, `super.property`, and `super[property]`. pp$3.currentThisScope = function() { - for (var i = this.scopeStack.length - 1;; i--) { - var scope = this.scopeStack[i]; - if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) { return scope } - } -}; - -var Node = function Node(parser, pos, loc) { - this.type = ""; - this.start = pos; - this.end = 0; - if (parser.options.locations) - { this.loc = new SourceLocation(parser, loc); } - if (parser.options.directSourceFile) - { this.sourceFile = parser.options.directSourceFile; } - if (parser.options.ranges) - { this.range = [pos, 0]; } + for (var i$1 = this.scopeStack.length - 1;; i$1--) { + var scope = this.scopeStack[i$1]; + if (scope.flags & SCOPE_VAR && !(scope.flags & SCOPE_ARROW)) return scope; + } +}; +var Node = function Node$1(parser, pos, loc) { + this.type = ""; + this.start = pos; + this.end = 0; + if (parser.options.locations) this.loc = new SourceLocation(parser, loc); + if (parser.options.directSourceFile) this.sourceFile = parser.options.directSourceFile; + if (parser.options.ranges) this.range = [pos, 0]; }; - -// Start an AST node, attaching a start offset. - var pp$2 = Parser.prototype; - pp$2.startNode = function() { - return new Node(this, this.start, this.startLoc) + return new Node(this, this.start, this.startLoc); }; - pp$2.startNodeAt = function(pos, loc) { - return new Node(this, pos, loc) + return new Node(this, pos, loc); }; - -// Finish an AST node, adding `type` and `end` properties. - function finishNodeAt(node, type, pos, loc) { - node.type = type; - node.end = pos; - if (this.options.locations) - { node.loc.end = loc; } - if (this.options.ranges) - { node.range[1] = pos; } - return node + node.type = type; + node.end = pos; + if (this.options.locations) node.loc.end = loc; + if (this.options.ranges) node.range[1] = pos; + return node; } - pp$2.finishNode = function(node, type) { - return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc) + return finishNodeAt.call(this, node, type, this.lastTokEnd, this.lastTokEndLoc); }; - -// Finish node at given position - pp$2.finishNodeAt = function(node, type, pos, loc) { - return finishNodeAt.call(this, node, type, pos, loc) + return finishNodeAt.call(this, node, type, pos, loc); }; - pp$2.copyNode = function(node) { - var newNode = new Node(this, node.start, this.startLoc); - for (var prop in node) { newNode[prop] = node[prop]; } - return newNode + var newNode = new Node(this, node.start, this.startLoc); + for (var prop in node) newNode[prop] = node[prop]; + return newNode; }; - -// This file was generated by "bin/generate-unicode-script-values.js". Do not modify manually! var scriptValuesAddedInUnicode = "Gara Garay Gukh Gurung_Khema Hrkt Katakana_Or_Hiragana Kawi Kirat_Rai Krai Nag_Mundari Nagm Ol_Onal Onao Sunu Sunuwar Todhri Todr Tulu_Tigalari Tutg Unknown Zzzz"; - -// This file contains Unicode properties extracted from the ECMAScript specification. -// The lists are extracted like so: -// $$('#table-binary-unicode-properties > figure > table > tbody > tr > td:nth-child(1) code').map(el => el.innerText) - -// #table-binary-unicode-properties var ecma9BinaryProperties = "ASCII ASCII_Hex_Digit AHex Alphabetic Alpha Any Assigned Bidi_Control Bidi_C Bidi_Mirrored Bidi_M Case_Ignorable CI Cased Changes_When_Casefolded CWCF Changes_When_Casemapped CWCM Changes_When_Lowercased CWL Changes_When_NFKC_Casefolded CWKCF Changes_When_Titlecased CWT Changes_When_Uppercased CWU Dash Default_Ignorable_Code_Point DI Deprecated Dep Diacritic Dia Emoji Emoji_Component Emoji_Modifier Emoji_Modifier_Base Emoji_Presentation Extender Ext Grapheme_Base Gr_Base Grapheme_Extend Gr_Ext Hex_Digit Hex IDS_Binary_Operator IDSB IDS_Trinary_Operator IDST ID_Continue IDC ID_Start IDS Ideographic Ideo Join_Control Join_C Logical_Order_Exception LOE Lowercase Lower Math Noncharacter_Code_Point NChar Pattern_Syntax Pat_Syn Pattern_White_Space Pat_WS Quotation_Mark QMark Radical Regional_Indicator RI Sentence_Terminal STerm Soft_Dotted SD Terminal_Punctuation Term Unified_Ideograph UIdeo Uppercase Upper Variation_Selector VS White_Space space XID_Continue XIDC XID_Start XIDS"; var ecma10BinaryProperties = ecma9BinaryProperties + " Extended_Pictographic"; var ecma11BinaryProperties = ecma10BinaryProperties; var ecma12BinaryProperties = ecma11BinaryProperties + " EBase EComp EMod EPres ExtPict"; var ecma13BinaryProperties = ecma12BinaryProperties; var ecma14BinaryProperties = ecma13BinaryProperties; - var unicodeBinaryProperties = { - 9: ecma9BinaryProperties, - 10: ecma10BinaryProperties, - 11: ecma11BinaryProperties, - 12: ecma12BinaryProperties, - 13: ecma13BinaryProperties, - 14: ecma14BinaryProperties + 9: ecma9BinaryProperties, + 10: ecma10BinaryProperties, + 11: ecma11BinaryProperties, + 12: ecma12BinaryProperties, + 13: ecma13BinaryProperties, + 14: ecma14BinaryProperties }; - -// #table-binary-unicode-properties-of-strings var ecma14BinaryPropertiesOfStrings = "Basic_Emoji Emoji_Keycap_Sequence RGI_Emoji_Modifier_Sequence RGI_Emoji_Flag_Sequence RGI_Emoji_Tag_Sequence RGI_Emoji_ZWJ_Sequence RGI_Emoji"; - var unicodeBinaryPropertiesOfStrings = { - 9: "", - 10: "", - 11: "", - 12: "", - 13: "", - 14: ecma14BinaryPropertiesOfStrings + 9: "", + 10: "", + 11: "", + 12: "", + 13: "", + 14: ecma14BinaryPropertiesOfStrings }; - -// #table-unicode-general-category-values var unicodeGeneralCategoryValues = "Cased_Letter LC Close_Punctuation Pe Connector_Punctuation Pc Control Cc cntrl Currency_Symbol Sc Dash_Punctuation Pd Decimal_Number Nd digit Enclosing_Mark Me Final_Punctuation Pf Format Cf Initial_Punctuation Pi Letter L Letter_Number Nl Line_Separator Zl Lowercase_Letter Ll Mark M Combining_Mark Math_Symbol Sm Modifier_Letter Lm Modifier_Symbol Sk Nonspacing_Mark Mn Number N Open_Punctuation Ps Other C Other_Letter Lo Other_Number No Other_Punctuation Po Other_Symbol So Paragraph_Separator Zp Private_Use Co Punctuation P punct Separator Z Space_Separator Zs Spacing_Mark Mc Surrogate Cs Symbol S Titlecase_Letter Lt Unassigned Cn Uppercase_Letter Lu"; - -// #table-unicode-script-values var ecma9ScriptValues = "Adlam Adlm Ahom Anatolian_Hieroglyphs Hluw Arabic Arab Armenian Armn Avestan Avst Balinese Bali Bamum Bamu Bassa_Vah Bass Batak Batk Bengali Beng Bhaiksuki Bhks Bopomofo Bopo Brahmi Brah Braille Brai Buginese Bugi Buhid Buhd Canadian_Aboriginal Cans Carian Cari Caucasian_Albanian Aghb Chakma Cakm Cham Cham Cherokee Cher Common Zyyy Coptic Copt Qaac Cuneiform Xsux Cypriot Cprt Cyrillic Cyrl Deseret Dsrt Devanagari Deva Duployan Dupl Egyptian_Hieroglyphs Egyp Elbasan Elba Ethiopic Ethi Georgian Geor Glagolitic Glag Gothic Goth Grantha Gran Greek Grek Gujarati Gujr Gurmukhi Guru Han Hani Hangul Hang Hanunoo Hano Hatran Hatr Hebrew Hebr Hiragana Hira Imperial_Aramaic Armi Inherited Zinh Qaai Inscriptional_Pahlavi Phli Inscriptional_Parthian Prti Javanese Java Kaithi Kthi Kannada Knda Katakana Kana Kayah_Li Kali Kharoshthi Khar Khmer Khmr Khojki Khoj Khudawadi Sind Lao Laoo Latin Latn Lepcha Lepc Limbu Limb Linear_A Lina Linear_B Linb Lisu Lisu Lycian Lyci Lydian Lydi Mahajani Mahj Malayalam Mlym Mandaic Mand Manichaean Mani Marchen Marc Masaram_Gondi Gonm Meetei_Mayek Mtei Mende_Kikakui Mend Meroitic_Cursive Merc Meroitic_Hieroglyphs Mero Miao Plrd Modi Mongolian Mong Mro Mroo Multani Mult Myanmar Mymr Nabataean Nbat New_Tai_Lue Talu Newa Newa Nko Nkoo Nushu Nshu Ogham Ogam Ol_Chiki Olck Old_Hungarian Hung Old_Italic Ital Old_North_Arabian Narb Old_Permic Perm Old_Persian Xpeo Old_South_Arabian Sarb Old_Turkic Orkh Oriya Orya Osage Osge Osmanya Osma Pahawh_Hmong Hmng Palmyrene Palm Pau_Cin_Hau Pauc Phags_Pa Phag Phoenician Phnx Psalter_Pahlavi Phlp Rejang Rjng Runic Runr Samaritan Samr Saurashtra Saur Sharada Shrd Shavian Shaw Siddham Sidd SignWriting Sgnw Sinhala Sinh Sora_Sompeng Sora Soyombo Soyo Sundanese Sund Syloti_Nagri Sylo Syriac Syrc Tagalog Tglg Tagbanwa Tagb Tai_Le Tale Tai_Tham Lana Tai_Viet Tavt Takri Takr Tamil Taml Tangut Tang Telugu Telu Thaana Thaa Thai Thai Tibetan Tibt Tifinagh Tfng Tirhuta Tirh Ugaritic Ugar Vai Vaii Warang_Citi Wara Yi Yiii Zanabazar_Square Zanb"; var ecma10ScriptValues = ecma9ScriptValues + " Dogra Dogr Gunjala_Gondi Gong Hanifi_Rohingya Rohg Makasar Maka Medefaidrin Medf Old_Sogdian Sogo Sogdian Sogd"; var ecma11ScriptValues = ecma10ScriptValues + " Elymaic Elym Nandinagari Nand Nyiakeng_Puachue_Hmong Hmnp Wancho Wcho"; var ecma12ScriptValues = ecma11ScriptValues + " Chorasmian Chrs Diak Dives_Akuru Khitan_Small_Script Kits Yezi Yezidi"; var ecma13ScriptValues = ecma12ScriptValues + " Cypro_Minoan Cpmn Old_Uyghur Ougr Tangsa Tnsa Toto Vithkuqi Vith"; var ecma14ScriptValues = ecma13ScriptValues + " " + scriptValuesAddedInUnicode; - var unicodeScriptValues = { - 9: ecma9ScriptValues, - 10: ecma10ScriptValues, - 11: ecma11ScriptValues, - 12: ecma12ScriptValues, - 13: ecma13ScriptValues, - 14: ecma14ScriptValues + 9: ecma9ScriptValues, + 10: ecma10ScriptValues, + 11: ecma11ScriptValues, + 12: ecma12ScriptValues, + 13: ecma13ScriptValues, + 14: ecma14ScriptValues }; - var data = {}; -function buildUnicodeData(ecmaVersion) { - var d = data[ecmaVersion] = { - binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion] + " " + unicodeGeneralCategoryValues), - binaryOfStrings: wordsRegexp(unicodeBinaryPropertiesOfStrings[ecmaVersion]), - nonBinary: { - General_Category: wordsRegexp(unicodeGeneralCategoryValues), - Script: wordsRegexp(unicodeScriptValues[ecmaVersion]) - } - }; - d.nonBinary.Script_Extensions = d.nonBinary.Script; - - d.nonBinary.gc = d.nonBinary.General_Category; - d.nonBinary.sc = d.nonBinary.Script; - d.nonBinary.scx = d.nonBinary.Script_Extensions; +function buildUnicodeData(ecmaVersion$1) { + var d = data[ecmaVersion$1] = { + binary: wordsRegexp(unicodeBinaryProperties[ecmaVersion$1] + " " + unicodeGeneralCategoryValues), + binaryOfStrings: wordsRegexp(unicodeBinaryPropertiesOfStrings[ecmaVersion$1]), + nonBinary: { + General_Category: wordsRegexp(unicodeGeneralCategoryValues), + Script: wordsRegexp(unicodeScriptValues[ecmaVersion$1]) + } + }; + d.nonBinary.Script_Extensions = d.nonBinary.Script; + d.nonBinary.gc = d.nonBinary.General_Category; + d.nonBinary.sc = d.nonBinary.Script; + d.nonBinary.scx = d.nonBinary.Script_Extensions; } - -for (var i = 0, list = [9, 10, 11, 12, 13, 14]; i < list.length; i += 1) { - var ecmaVersion = list[i]; - - buildUnicodeData(ecmaVersion); +for (var i = 0, list = [ + 9, + 10, + 11, + 12, + 13, + 14 +]; i < list.length; i += 1) { + var ecmaVersion = list[i]; + buildUnicodeData(ecmaVersion); } - var pp$1 = Parser.prototype; - -// Track disjunction structure to determine whether a duplicate -// capture group name is allowed because it is in a separate branch. -var BranchID = function BranchID(parent, base) { - // Parent disjunction branch - this.parent = parent; - // Identifies this set of sibling branches - this.base = base || this; -}; - -BranchID.prototype.separatedFrom = function separatedFrom (alt) { - // A branch is separate from another branch if they or any of - // their parents are siblings in a given disjunction - for (var self = this; self; self = self.parent) { - for (var other = alt; other; other = other.parent) { - if (self.base === other.base && self !== other) { return true } - } - } - return false -}; - -BranchID.prototype.sibling = function sibling () { - return new BranchID(this.parent, this.base) -}; - -var RegExpValidationState = function RegExpValidationState(parser) { - this.parser = parser; - this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : "") + (parser.options.ecmaVersion >= 15 ? "v" : ""); - this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; - this.source = ""; - this.flags = ""; - this.start = 0; - this.switchU = false; - this.switchV = false; - this.switchN = false; - this.pos = 0; - this.lastIntValue = 0; - this.lastStringValue = ""; - this.lastAssertionIsQuantifiable = false; - this.numCapturingParens = 0; - this.maxBackReference = 0; - this.groupNames = Object.create(null); - this.backReferenceNames = []; - this.branchID = null; -}; - -RegExpValidationState.prototype.reset = function reset (start, pattern, flags) { - var unicodeSets = flags.indexOf("v") !== -1; - var unicode = flags.indexOf("u") !== -1; - this.start = start | 0; - this.source = pattern + ""; - this.flags = flags; - if (unicodeSets && this.parser.options.ecmaVersion >= 15) { - this.switchU = true; - this.switchV = true; - this.switchN = true; - } else { - this.switchU = unicode && this.parser.options.ecmaVersion >= 6; - this.switchV = false; - this.switchN = unicode && this.parser.options.ecmaVersion >= 9; - } -}; - -RegExpValidationState.prototype.raise = function raise (message) { - this.parser.raiseRecoverable(this.start, ("Invalid regular expression: /" + (this.source) + "/: " + message)); -}; - -// If u flag is given, this returns the code point at the index (it combines a surrogate pair). -// Otherwise, this returns the code unit of the index (can be a part of a surrogate pair). -RegExpValidationState.prototype.at = function at (i, forceU) { - if ( forceU === void 0 ) forceU = false; - - var s = this.source; - var l = s.length; - if (i >= l) { - return -1 - } - var c = s.charCodeAt(i); - if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l) { - return c - } - var next = s.charCodeAt(i + 1); - return next >= 0xDC00 && next <= 0xDFFF ? (c << 10) + next - 0x35FDC00 : c -}; - -RegExpValidationState.prototype.nextIndex = function nextIndex (i, forceU) { - if ( forceU === void 0 ) forceU = false; - - var s = this.source; - var l = s.length; - if (i >= l) { - return l - } - var c = s.charCodeAt(i), next; - if (!(forceU || this.switchU) || c <= 0xD7FF || c >= 0xE000 || i + 1 >= l || - (next = s.charCodeAt(i + 1)) < 0xDC00 || next > 0xDFFF) { - return i + 1 - } - return i + 2 -}; - -RegExpValidationState.prototype.current = function current (forceU) { - if ( forceU === void 0 ) forceU = false; - - return this.at(this.pos, forceU) -}; - -RegExpValidationState.prototype.lookahead = function lookahead (forceU) { - if ( forceU === void 0 ) forceU = false; - - return this.at(this.nextIndex(this.pos, forceU), forceU) -}; - -RegExpValidationState.prototype.advance = function advance (forceU) { - if ( forceU === void 0 ) forceU = false; - - this.pos = this.nextIndex(this.pos, forceU); -}; - -RegExpValidationState.prototype.eat = function eat (ch, forceU) { - if ( forceU === void 0 ) forceU = false; - - if (this.current(forceU) === ch) { - this.advance(forceU); - return true - } - return false -}; - -RegExpValidationState.prototype.eatChars = function eatChars (chs, forceU) { - if ( forceU === void 0 ) forceU = false; - - var pos = this.pos; - for (var i = 0, list = chs; i < list.length; i += 1) { - var ch = list[i]; - - var current = this.at(pos, forceU); - if (current === -1 || current !== ch) { - return false - } - pos = this.nextIndex(pos, forceU); - } - this.pos = pos; - return true +var BranchID = function BranchID$1(parent, base) { + this.parent = parent; + this.base = base || this; +}; +BranchID.prototype.separatedFrom = function separatedFrom(alt) { + for (var self = this; self; self = self.parent) for (var other = alt; other; other = other.parent) if (self.base === other.base && self !== other) return true; + return false; +}; +BranchID.prototype.sibling = function sibling() { + return new BranchID(this.parent, this.base); +}; +var RegExpValidationState = function RegExpValidationState$1(parser) { + this.parser = parser; + this.validFlags = "gim" + (parser.options.ecmaVersion >= 6 ? "uy" : "") + (parser.options.ecmaVersion >= 9 ? "s" : "") + (parser.options.ecmaVersion >= 13 ? "d" : "") + (parser.options.ecmaVersion >= 15 ? "v" : ""); + this.unicodeProperties = data[parser.options.ecmaVersion >= 14 ? 14 : parser.options.ecmaVersion]; + this.source = ""; + this.flags = ""; + this.start = 0; + this.switchU = false; + this.switchV = false; + this.switchN = false; + this.pos = 0; + this.lastIntValue = 0; + this.lastStringValue = ""; + this.lastAssertionIsQuantifiable = false; + this.numCapturingParens = 0; + this.maxBackReference = 0; + this.groupNames = Object.create(null); + this.backReferenceNames = []; + this.branchID = null; +}; +RegExpValidationState.prototype.reset = function reset(start, pattern, flags) { + var unicodeSets = flags.indexOf("v") !== -1; + var unicode = flags.indexOf("u") !== -1; + this.start = start | 0; + this.source = pattern + ""; + this.flags = flags; + if (unicodeSets && this.parser.options.ecmaVersion >= 15) { + this.switchU = true; + this.switchV = true; + this.switchN = true; + } else { + this.switchU = unicode && this.parser.options.ecmaVersion >= 6; + this.switchV = false; + this.switchN = unicode && this.parser.options.ecmaVersion >= 9; + } +}; +RegExpValidationState.prototype.raise = function raise(message) { + this.parser.raiseRecoverable(this.start, "Invalid regular expression: /" + this.source + "/: " + message); +}; +RegExpValidationState.prototype.at = function at(i$1, forceU) { + if (forceU === void 0) forceU = false; + var s = this.source; + var l = s.length; + if (i$1 >= l) return -1; + var c = s.charCodeAt(i$1); + if (!(forceU || this.switchU) || c <= 55295 || c >= 57344 || i$1 + 1 >= l) return c; + var next = s.charCodeAt(i$1 + 1); + return next >= 56320 && next <= 57343 ? (c << 10) + next - 56613888 : c; +}; +RegExpValidationState.prototype.nextIndex = function nextIndex(i$1, forceU) { + if (forceU === void 0) forceU = false; + var s = this.source; + var l = s.length; + if (i$1 >= l) return l; + var c = s.charCodeAt(i$1), next; + if (!(forceU || this.switchU) || c <= 55295 || c >= 57344 || i$1 + 1 >= l || (next = s.charCodeAt(i$1 + 1)) < 56320 || next > 57343) return i$1 + 1; + return i$1 + 2; +}; +RegExpValidationState.prototype.current = function current(forceU) { + if (forceU === void 0) forceU = false; + return this.at(this.pos, forceU); +}; +RegExpValidationState.prototype.lookahead = function lookahead(forceU) { + if (forceU === void 0) forceU = false; + return this.at(this.nextIndex(this.pos, forceU), forceU); +}; +RegExpValidationState.prototype.advance = function advance(forceU) { + if (forceU === void 0) forceU = false; + this.pos = this.nextIndex(this.pos, forceU); +}; +RegExpValidationState.prototype.eat = function eat(ch, forceU) { + if (forceU === void 0) forceU = false; + if (this.current(forceU) === ch) { + this.advance(forceU); + return true; + } + return false; +}; +RegExpValidationState.prototype.eatChars = function eatChars(chs, forceU) { + if (forceU === void 0) forceU = false; + var pos = this.pos; + for (var i$1 = 0, list$1 = chs; i$1 < list$1.length; i$1 += 1) { + var ch = list$1[i$1]; + var current = this.at(pos, forceU); + if (current === -1 || current !== ch) return false; + pos = this.nextIndex(pos, forceU); + } + this.pos = pos; + return true; }; - /** - * Validate the flags part of a given RegExpLiteral. - * - * @param {RegExpValidationState} state The state to validate RegExp. - * @returns {void} - */ +* Validate the flags part of a given RegExpLiteral. +* +* @param {RegExpValidationState} state The state to validate RegExp. +* @returns {void} +*/ pp$1.validateRegExpFlags = function(state) { - var validFlags = state.validFlags; - var flags = state.flags; - - var u = false; - var v = false; - - for (var i = 0; i < flags.length; i++) { - var flag = flags.charAt(i); - if (validFlags.indexOf(flag) === -1) { - this.raise(state.start, "Invalid regular expression flag"); - } - if (flags.indexOf(flag, i + 1) > -1) { - this.raise(state.start, "Duplicate regular expression flag"); - } - if (flag === "u") { u = true; } - if (flag === "v") { v = true; } - } - if (this.options.ecmaVersion >= 15 && u && v) { - this.raise(state.start, "Invalid regular expression flag"); - } + var validFlags = state.validFlags; + var flags = state.flags; + var u = false; + var v = false; + for (var i$1 = 0; i$1 < flags.length; i$1++) { + var flag = flags.charAt(i$1); + if (validFlags.indexOf(flag) === -1) this.raise(state.start, "Invalid regular expression flag"); + if (flags.indexOf(flag, i$1 + 1) > -1) this.raise(state.start, "Duplicate regular expression flag"); + if (flag === "u") u = true; + if (flag === "v") v = true; + } + if (this.options.ecmaVersion >= 15 && u && v) this.raise(state.start, "Invalid regular expression flag"); }; - function hasProp(obj) { - for (var _ in obj) { return true } - return false + for (var _ in obj) return true; + return false; } - /** - * Validate the pattern part of a given RegExpLiteral. - * - * @param {RegExpValidationState} state The state to validate RegExp. - * @returns {void} - */ +* Validate the pattern part of a given RegExpLiteral. +* +* @param {RegExpValidationState} state The state to validate RegExp. +* @returns {void} +*/ pp$1.validateRegExpPattern = function(state) { - this.regexp_pattern(state); - - // The goal symbol for the parse is |Pattern[~U, ~N]|. If the result of - // parsing contains a |GroupName|, reparse with the goal symbol - // |Pattern[~U, +N]| and use this result instead. Throw a *SyntaxError* - // exception if _P_ did not conform to the grammar, if any elements of _P_ - // were not matched by the parse, or if any Early Error conditions exist. - if (!state.switchN && this.options.ecmaVersion >= 9 && hasProp(state.groupNames)) { - state.switchN = true; - this.regexp_pattern(state); - } + this.regexp_pattern(state); + if (!state.switchN && this.options.ecmaVersion >= 9 && hasProp(state.groupNames)) { + state.switchN = true; + this.regexp_pattern(state); + } }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-Pattern pp$1.regexp_pattern = function(state) { - state.pos = 0; - state.lastIntValue = 0; - state.lastStringValue = ""; - state.lastAssertionIsQuantifiable = false; - state.numCapturingParens = 0; - state.maxBackReference = 0; - state.groupNames = Object.create(null); - state.backReferenceNames.length = 0; - state.branchID = null; - - this.regexp_disjunction(state); - - if (state.pos !== state.source.length) { - // Make the same messages as V8. - if (state.eat(0x29 /* ) */)) { - state.raise("Unmatched ')'"); - } - if (state.eat(0x5D /* ] */) || state.eat(0x7D /* } */)) { - state.raise("Lone quantifier brackets"); - } - } - if (state.maxBackReference > state.numCapturingParens) { - state.raise("Invalid escape"); - } - for (var i = 0, list = state.backReferenceNames; i < list.length; i += 1) { - var name = list[i]; - - if (!state.groupNames[name]) { - state.raise("Invalid named capture referenced"); - } - } + state.pos = 0; + state.lastIntValue = 0; + state.lastStringValue = ""; + state.lastAssertionIsQuantifiable = false; + state.numCapturingParens = 0; + state.maxBackReference = 0; + state.groupNames = Object.create(null); + state.backReferenceNames.length = 0; + state.branchID = null; + this.regexp_disjunction(state); + if (state.pos !== state.source.length) { + if (state.eat( + 41 + /* ) */ +)) state.raise("Unmatched ')'"); + if (state.eat( + 93 + /* ] */ +) || state.eat( + 125 + /* } */ +)) state.raise("Lone quantifier brackets"); + } + if (state.maxBackReference > state.numCapturingParens) state.raise("Invalid escape"); + for (var i$1 = 0, list$1 = state.backReferenceNames; i$1 < list$1.length; i$1 += 1) { + var name = list$1[i$1]; + if (!state.groupNames[name]) state.raise("Invalid named capture referenced"); + } }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-Disjunction pp$1.regexp_disjunction = function(state) { - var trackDisjunction = this.options.ecmaVersion >= 16; - if (trackDisjunction) { state.branchID = new BranchID(state.branchID, null); } - this.regexp_alternative(state); - while (state.eat(0x7C /* | */)) { - if (trackDisjunction) { state.branchID = state.branchID.sibling(); } - this.regexp_alternative(state); - } - if (trackDisjunction) { state.branchID = state.branchID.parent; } - - // Make the same message as V8. - if (this.regexp_eatQuantifier(state, true)) { - state.raise("Nothing to repeat"); - } - if (state.eat(0x7B /* { */)) { - state.raise("Lone quantifier brackets"); - } + var trackDisjunction = this.options.ecmaVersion >= 16; + if (trackDisjunction) state.branchID = new BranchID(state.branchID, null); + this.regexp_alternative(state); + while (state.eat( + 124 + /* | */ +)) { + if (trackDisjunction) state.branchID = state.branchID.sibling(); + this.regexp_alternative(state); + } + if (trackDisjunction) state.branchID = state.branchID.parent; + if (this.regexp_eatQuantifier(state, true)) state.raise("Nothing to repeat"); + if (state.eat( + 123 + /* { */ +)) state.raise("Lone quantifier brackets"); }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-Alternative pp$1.regexp_alternative = function(state) { - while (state.pos < state.source.length && this.regexp_eatTerm(state)) {} + while (state.pos < state.source.length && this.regexp_eatTerm(state)); }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Term pp$1.regexp_eatTerm = function(state) { - if (this.regexp_eatAssertion(state)) { - // Handle `QuantifiableAssertion Quantifier` alternative. - // `state.lastAssertionIsQuantifiable` is true if the last eaten Assertion - // is a QuantifiableAssertion. - if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) { - // Make the same message as V8. - if (state.switchU) { - state.raise("Invalid quantifier"); - } - } - return true - } - - if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) { - this.regexp_eatQuantifier(state); - return true - } - - return false + if (this.regexp_eatAssertion(state)) { + if (state.lastAssertionIsQuantifiable && this.regexp_eatQuantifier(state)) { + if (state.switchU) state.raise("Invalid quantifier"); + } + return true; + } + if (state.switchU ? this.regexp_eatAtom(state) : this.regexp_eatExtendedAtom(state)) { + this.regexp_eatQuantifier(state); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-Assertion pp$1.regexp_eatAssertion = function(state) { - var start = state.pos; - state.lastAssertionIsQuantifiable = false; - - // ^, $ - if (state.eat(0x5E /* ^ */) || state.eat(0x24 /* $ */)) { - return true - } - - // \b \B - if (state.eat(0x5C /* \ */)) { - if (state.eat(0x42 /* B */) || state.eat(0x62 /* b */)) { - return true - } - state.pos = start; - } - - // Lookahead / Lookbehind - if (state.eat(0x28 /* ( */) && state.eat(0x3F /* ? */)) { - var lookbehind = false; - if (this.options.ecmaVersion >= 9) { - lookbehind = state.eat(0x3C /* < */); - } - if (state.eat(0x3D /* = */) || state.eat(0x21 /* ! */)) { - this.regexp_disjunction(state); - if (!state.eat(0x29 /* ) */)) { - state.raise("Unterminated group"); - } - state.lastAssertionIsQuantifiable = !lookbehind; - return true - } - } - - state.pos = start; - return false + var start = state.pos; + state.lastAssertionIsQuantifiable = false; + if (state.eat( + 94 + /* ^ */ +) || state.eat( + 36 + /* $ */ +)) return true; + if (state.eat( + 92 + /* \ */ +)) { + if (state.eat( + 66 + /* B */ +) || state.eat( + 98 + /* b */ +)) return true; + state.pos = start; + } + if (state.eat( + 40 + /* ( */ +) && state.eat( + 63 + /* ? */ +)) { + var lookbehind = false; + if (this.options.ecmaVersion >= 9) lookbehind = state.eat( + 60 + /* < */ +); + if (state.eat( + 61 + /* = */ +) || state.eat( + 33 + /* ! */ +)) { + this.regexp_disjunction(state); + if (!state.eat( + 41 + /* ) */ +)) state.raise("Unterminated group"); + state.lastAssertionIsQuantifiable = !lookbehind; + return true; + } + } + state.pos = start; + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-Quantifier pp$1.regexp_eatQuantifier = function(state, noError) { - if ( noError === void 0 ) noError = false; - - if (this.regexp_eatQuantifierPrefix(state, noError)) { - state.eat(0x3F /* ? */); - return true - } - return false + if (noError === void 0) noError = false; + if (this.regexp_eatQuantifierPrefix(state, noError)) { + state.eat( + 63 + /* ? */ +); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-QuantifierPrefix pp$1.regexp_eatQuantifierPrefix = function(state, noError) { - return ( - state.eat(0x2A /* * */) || - state.eat(0x2B /* + */) || - state.eat(0x3F /* ? */) || - this.regexp_eatBracedQuantifier(state, noError) - ) + return state.eat( + 42 + /* * */ +) || state.eat( + 43 + /* + */ +) || state.eat( + 63 + /* ? */ +) || this.regexp_eatBracedQuantifier(state, noError); }; pp$1.regexp_eatBracedQuantifier = function(state, noError) { - var start = state.pos; - if (state.eat(0x7B /* { */)) { - var min = 0, max = -1; - if (this.regexp_eatDecimalDigits(state)) { - min = state.lastIntValue; - if (state.eat(0x2C /* , */) && this.regexp_eatDecimalDigits(state)) { - max = state.lastIntValue; - } - if (state.eat(0x7D /* } */)) { - // SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-term - if (max !== -1 && max < min && !noError) { - state.raise("numbers out of order in {} quantifier"); - } - return true - } - } - if (state.switchU && !noError) { - state.raise("Incomplete quantifier"); - } - state.pos = start; - } - return false + var start = state.pos; + if (state.eat( + 123 + /* { */ +)) { + var min = 0, max = -1; + if (this.regexp_eatDecimalDigits(state)) { + min = state.lastIntValue; + if (state.eat( + 44 + /* , */ +) && this.regexp_eatDecimalDigits(state)) max = state.lastIntValue; + if (state.eat( + 125 + /* } */ +)) { + if (max !== -1 && max < min && !noError) state.raise("numbers out of order in {} quantifier"); + return true; + } + } + if (state.switchU && !noError) state.raise("Incomplete quantifier"); + state.pos = start; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-Atom pp$1.regexp_eatAtom = function(state) { - return ( - this.regexp_eatPatternCharacters(state) || - state.eat(0x2E /* . */) || - this.regexp_eatReverseSolidusAtomEscape(state) || - this.regexp_eatCharacterClass(state) || - this.regexp_eatUncapturingGroup(state) || - this.regexp_eatCapturingGroup(state) - ) + return this.regexp_eatPatternCharacters(state) || state.eat( + 46 + /* . */ +) || this.regexp_eatReverseSolidusAtomEscape(state) || this.regexp_eatCharacterClass(state) || this.regexp_eatUncapturingGroup(state) || this.regexp_eatCapturingGroup(state); }; pp$1.regexp_eatReverseSolidusAtomEscape = function(state) { - var start = state.pos; - if (state.eat(0x5C /* \ */)) { - if (this.regexp_eatAtomEscape(state)) { - return true - } - state.pos = start; - } - return false + var start = state.pos; + if (state.eat( + 92 + /* \ */ +)) { + if (this.regexp_eatAtomEscape(state)) return true; + state.pos = start; + } + return false; }; pp$1.regexp_eatUncapturingGroup = function(state) { - var start = state.pos; - if (state.eat(0x28 /* ( */)) { - if (state.eat(0x3F /* ? */)) { - if (this.options.ecmaVersion >= 16) { - var addModifiers = this.regexp_eatModifiers(state); - var hasHyphen = state.eat(0x2D /* - */); - if (addModifiers || hasHyphen) { - for (var i = 0; i < addModifiers.length; i++) { - var modifier = addModifiers.charAt(i); - if (addModifiers.indexOf(modifier, i + 1) > -1) { - state.raise("Duplicate regular expression modifiers"); - } - } - if (hasHyphen) { - var removeModifiers = this.regexp_eatModifiers(state); - if (!addModifiers && !removeModifiers && state.current() === 0x3A /* : */) { - state.raise("Invalid regular expression modifiers"); - } - for (var i$1 = 0; i$1 < removeModifiers.length; i$1++) { - var modifier$1 = removeModifiers.charAt(i$1); - if ( - removeModifiers.indexOf(modifier$1, i$1 + 1) > -1 || - addModifiers.indexOf(modifier$1) > -1 - ) { - state.raise("Duplicate regular expression modifiers"); - } - } - } - } - } - if (state.eat(0x3A /* : */)) { - this.regexp_disjunction(state); - if (state.eat(0x29 /* ) */)) { - return true - } - state.raise("Unterminated group"); - } - } - state.pos = start; - } - return false + var start = state.pos; + if (state.eat( + 40 + /* ( */ +)) { + if (state.eat( + 63 + /* ? */ +)) { + if (this.options.ecmaVersion >= 16) { + var addModifiers = this.regexp_eatModifiers(state); + var hasHyphen = state.eat( + 45 + /* - */ +); + if (addModifiers || hasHyphen) { + for (var i$1 = 0; i$1 < addModifiers.length; i$1++) { + var modifier = addModifiers.charAt(i$1); + if (addModifiers.indexOf(modifier, i$1 + 1) > -1) state.raise("Duplicate regular expression modifiers"); + } + if (hasHyphen) { + var removeModifiers = this.regexp_eatModifiers(state); + if (!addModifiers && !removeModifiers && state.current() === 58) state.raise("Invalid regular expression modifiers"); + for (var i$1$1 = 0; i$1$1 < removeModifiers.length; i$1$1++) { + var modifier$1 = removeModifiers.charAt(i$1$1); + if (removeModifiers.indexOf(modifier$1, i$1$1 + 1) > -1 || addModifiers.indexOf(modifier$1) > -1) state.raise("Duplicate regular expression modifiers"); + } + } + } + } + if (state.eat( + 58 + /* : */ +)) { + this.regexp_disjunction(state); + if (state.eat( + 41 + /* ) */ +)) return true; + state.raise("Unterminated group"); + } + } + state.pos = start; + } + return false; }; pp$1.regexp_eatCapturingGroup = function(state) { - if (state.eat(0x28 /* ( */)) { - if (this.options.ecmaVersion >= 9) { - this.regexp_groupSpecifier(state); - } else if (state.current() === 0x3F /* ? */) { - state.raise("Invalid group"); - } - this.regexp_disjunction(state); - if (state.eat(0x29 /* ) */)) { - state.numCapturingParens += 1; - return true - } - state.raise("Unterminated group"); - } - return false -}; -// RegularExpressionModifiers :: -// [empty] -// RegularExpressionModifiers RegularExpressionModifier + if (state.eat( + 40 + /* ( */ +)) { + if (this.options.ecmaVersion >= 9) this.regexp_groupSpecifier(state); + else if (state.current() === 63) state.raise("Invalid group"); + this.regexp_disjunction(state); + if (state.eat( + 41 + /* ) */ +)) { + state.numCapturingParens += 1; + return true; + } + state.raise("Unterminated group"); + } + return false; +}; pp$1.regexp_eatModifiers = function(state) { - var modifiers = ""; - var ch = 0; - while ((ch = state.current()) !== -1 && isRegularExpressionModifier(ch)) { - modifiers += codePointToString(ch); - state.advance(); - } - return modifiers -}; -// RegularExpressionModifier :: one of -// `i` `m` `s` + var modifiers = ""; + var ch = 0; + while ((ch = state.current()) !== -1 && isRegularExpressionModifier(ch)) { + modifiers += codePointToString(ch); + state.advance(); + } + return modifiers; +}; function isRegularExpressionModifier(ch) { - return ch === 0x69 /* i */ || ch === 0x6d /* m */ || ch === 0x73 /* s */ + return ch === 105 || ch === 109 || ch === 115; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedAtom pp$1.regexp_eatExtendedAtom = function(state) { - return ( - state.eat(0x2E /* . */) || - this.regexp_eatReverseSolidusAtomEscape(state) || - this.regexp_eatCharacterClass(state) || - this.regexp_eatUncapturingGroup(state) || - this.regexp_eatCapturingGroup(state) || - this.regexp_eatInvalidBracedQuantifier(state) || - this.regexp_eatExtendedPatternCharacter(state) - ) + return state.eat( + 46 + /* . */ +) || this.regexp_eatReverseSolidusAtomEscape(state) || this.regexp_eatCharacterClass(state) || this.regexp_eatUncapturingGroup(state) || this.regexp_eatCapturingGroup(state) || this.regexp_eatInvalidBracedQuantifier(state) || this.regexp_eatExtendedPatternCharacter(state); }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-InvalidBracedQuantifier pp$1.regexp_eatInvalidBracedQuantifier = function(state) { - if (this.regexp_eatBracedQuantifier(state, true)) { - state.raise("Nothing to repeat"); - } - return false + if (this.regexp_eatBracedQuantifier(state, true)) state.raise("Nothing to repeat"); + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-SyntaxCharacter pp$1.regexp_eatSyntaxCharacter = function(state) { - var ch = state.current(); - if (isSyntaxCharacter(ch)) { - state.lastIntValue = ch; - state.advance(); - return true - } - return false + var ch = state.current(); + if (isSyntaxCharacter(ch)) { + state.lastIntValue = ch; + state.advance(); + return true; + } + return false; }; function isSyntaxCharacter(ch) { - return ( - ch === 0x24 /* $ */ || - ch >= 0x28 /* ( */ && ch <= 0x2B /* + */ || - ch === 0x2E /* . */ || - ch === 0x3F /* ? */ || - ch >= 0x5B /* [ */ && ch <= 0x5E /* ^ */ || - ch >= 0x7B /* { */ && ch <= 0x7D /* } */ - ) + return ch === 36 || ch >= 40 && ch <= 43 || ch === 46 || ch === 63 || ch >= 91 && ch <= 94 || ch >= 123 && ch <= 125; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-PatternCharacter -// But eat eager. pp$1.regexp_eatPatternCharacters = function(state) { - var start = state.pos; - var ch = 0; - while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) { - state.advance(); - } - return state.pos !== start + var start = state.pos; + var ch = 0; + while ((ch = state.current()) !== -1 && !isSyntaxCharacter(ch)) state.advance(); + return state.pos !== start; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ExtendedPatternCharacter pp$1.regexp_eatExtendedPatternCharacter = function(state) { - var ch = state.current(); - if ( - ch !== -1 && - ch !== 0x24 /* $ */ && - !(ch >= 0x28 /* ( */ && ch <= 0x2B /* + */) && - ch !== 0x2E /* . */ && - ch !== 0x3F /* ? */ && - ch !== 0x5B /* [ */ && - ch !== 0x5E /* ^ */ && - ch !== 0x7C /* | */ - ) { - state.advance(); - return true - } - return false + var ch = state.current(); + if (ch !== -1 && ch !== 36 && !(ch >= 40 && ch <= 43) && ch !== 46 && ch !== 63 && ch !== 91 && ch !== 94 && ch !== 124) { + state.advance(); + return true; + } + return false; }; - -// GroupSpecifier :: -// [empty] -// `?` GroupName pp$1.regexp_groupSpecifier = function(state) { - if (state.eat(0x3F /* ? */)) { - if (!this.regexp_eatGroupName(state)) { state.raise("Invalid group"); } - var trackDisjunction = this.options.ecmaVersion >= 16; - var known = state.groupNames[state.lastStringValue]; - if (known) { - if (trackDisjunction) { - for (var i = 0, list = known; i < list.length; i += 1) { - var altID = list[i]; - - if (!altID.separatedFrom(state.branchID)) - { state.raise("Duplicate capture group name"); } - } - } else { - state.raise("Duplicate capture group name"); - } - } - if (trackDisjunction) { - (known || (state.groupNames[state.lastStringValue] = [])).push(state.branchID); - } else { - state.groupNames[state.lastStringValue] = true; - } - } + if (state.eat( + 63 + /* ? */ +)) { + if (!this.regexp_eatGroupName(state)) state.raise("Invalid group"); + var trackDisjunction = this.options.ecmaVersion >= 16; + var known = state.groupNames[state.lastStringValue]; + if (known) if (trackDisjunction) for (var i$1 = 0, list$1 = known; i$1 < list$1.length; i$1 += 1) { + var altID = list$1[i$1]; + if (!altID.separatedFrom(state.branchID)) state.raise("Duplicate capture group name"); + } + else state.raise("Duplicate capture group name"); + if (trackDisjunction) (known || (state.groupNames[state.lastStringValue] = [])).push(state.branchID); + else state.groupNames[state.lastStringValue] = true; + } }; - -// GroupName :: -// `<` RegExpIdentifierName `>` -// Note: this updates `state.lastStringValue` property with the eaten name. pp$1.regexp_eatGroupName = function(state) { - state.lastStringValue = ""; - if (state.eat(0x3C /* < */)) { - if (this.regexp_eatRegExpIdentifierName(state) && state.eat(0x3E /* > */)) { - return true - } - state.raise("Invalid capture group name"); - } - return false + state.lastStringValue = ""; + if (state.eat( + 60 + /* < */ +)) { + if (this.regexp_eatRegExpIdentifierName(state) && state.eat( + 62 + /* > */ +)) return true; + state.raise("Invalid capture group name"); + } + return false; }; - -// RegExpIdentifierName :: -// RegExpIdentifierStart -// RegExpIdentifierName RegExpIdentifierPart -// Note: this updates `state.lastStringValue` property with the eaten name. pp$1.regexp_eatRegExpIdentifierName = function(state) { - state.lastStringValue = ""; - if (this.regexp_eatRegExpIdentifierStart(state)) { - state.lastStringValue += codePointToString(state.lastIntValue); - while (this.regexp_eatRegExpIdentifierPart(state)) { - state.lastStringValue += codePointToString(state.lastIntValue); - } - return true - } - return false + state.lastStringValue = ""; + if (this.regexp_eatRegExpIdentifierStart(state)) { + state.lastStringValue += codePointToString(state.lastIntValue); + while (this.regexp_eatRegExpIdentifierPart(state)) state.lastStringValue += codePointToString(state.lastIntValue); + return true; + } + return false; }; - -// RegExpIdentifierStart :: -// UnicodeIDStart -// `$` -// `_` -// `\` RegExpUnicodeEscapeSequence[+U] pp$1.regexp_eatRegExpIdentifierStart = function(state) { - var start = state.pos; - var forceU = this.options.ecmaVersion >= 11; - var ch = state.current(forceU); - state.advance(forceU); - - if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { - ch = state.lastIntValue; - } - if (isRegExpIdentifierStart(ch)) { - state.lastIntValue = ch; - return true - } - - state.pos = start; - return false + var start = state.pos; + var forceU = this.options.ecmaVersion >= 11; + var ch = state.current(forceU); + state.advance(forceU); + if (ch === 92 && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) ch = state.lastIntValue; + if (isRegExpIdentifierStart(ch)) { + state.lastIntValue = ch; + return true; + } + state.pos = start; + return false; }; function isRegExpIdentifierStart(ch) { - return isIdentifierStart(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ + return isIdentifierStart(ch, true) || ch === 36 || ch === 95; } - -// RegExpIdentifierPart :: -// UnicodeIDContinue -// `$` -// `_` -// `\` RegExpUnicodeEscapeSequence[+U] -// -// pp$1.regexp_eatRegExpIdentifierPart = function(state) { - var start = state.pos; - var forceU = this.options.ecmaVersion >= 11; - var ch = state.current(forceU); - state.advance(forceU); - - if (ch === 0x5C /* \ */ && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) { - ch = state.lastIntValue; - } - if (isRegExpIdentifierPart(ch)) { - state.lastIntValue = ch; - return true - } - - state.pos = start; - return false + var start = state.pos; + var forceU = this.options.ecmaVersion >= 11; + var ch = state.current(forceU); + state.advance(forceU); + if (ch === 92 && this.regexp_eatRegExpUnicodeEscapeSequence(state, forceU)) ch = state.lastIntValue; + if (isRegExpIdentifierPart(ch)) { + state.lastIntValue = ch; + return true; + } + state.pos = start; + return false; }; function isRegExpIdentifierPart(ch) { - return isIdentifierChar(ch, true) || ch === 0x24 /* $ */ || ch === 0x5F /* _ */ || ch === 0x200C /* */ || ch === 0x200D /* */ + return isIdentifierChar(ch, true) || ch === 36 || ch === 95 || ch === 8204 || ch === 8205; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-AtomEscape pp$1.regexp_eatAtomEscape = function(state) { - if ( - this.regexp_eatBackReference(state) || - this.regexp_eatCharacterClassEscape(state) || - this.regexp_eatCharacterEscape(state) || - (state.switchN && this.regexp_eatKGroupName(state)) - ) { - return true - } - if (state.switchU) { - // Make the same message as V8. - if (state.current() === 0x63 /* c */) { - state.raise("Invalid unicode escape"); - } - state.raise("Invalid escape"); - } - return false + if (this.regexp_eatBackReference(state) || this.regexp_eatCharacterClassEscape(state) || this.regexp_eatCharacterEscape(state) || state.switchN && this.regexp_eatKGroupName(state)) return true; + if (state.switchU) { + if (state.current() === 99) state.raise("Invalid unicode escape"); + state.raise("Invalid escape"); + } + return false; }; pp$1.regexp_eatBackReference = function(state) { - var start = state.pos; - if (this.regexp_eatDecimalEscape(state)) { - var n = state.lastIntValue; - if (state.switchU) { - // For SyntaxError in https://www.ecma-international.org/ecma-262/8.0/#sec-atomescape - if (n > state.maxBackReference) { - state.maxBackReference = n; - } - return true - } - if (n <= state.numCapturingParens) { - return true - } - state.pos = start; - } - return false + var start = state.pos; + if (this.regexp_eatDecimalEscape(state)) { + var n = state.lastIntValue; + if (state.switchU) { + if (n > state.maxBackReference) state.maxBackReference = n; + return true; + } + if (n <= state.numCapturingParens) return true; + state.pos = start; + } + return false; }; pp$1.regexp_eatKGroupName = function(state) { - if (state.eat(0x6B /* k */)) { - if (this.regexp_eatGroupName(state)) { - state.backReferenceNames.push(state.lastStringValue); - return true - } - state.raise("Invalid named reference"); - } - return false + if (state.eat( + 107 + /* k */ +)) { + if (this.regexp_eatGroupName(state)) { + state.backReferenceNames.push(state.lastStringValue); + return true; + } + state.raise("Invalid named reference"); + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-CharacterEscape pp$1.regexp_eatCharacterEscape = function(state) { - return ( - this.regexp_eatControlEscape(state) || - this.regexp_eatCControlLetter(state) || - this.regexp_eatZero(state) || - this.regexp_eatHexEscapeSequence(state) || - this.regexp_eatRegExpUnicodeEscapeSequence(state, false) || - (!state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state)) || - this.regexp_eatIdentityEscape(state) - ) + return this.regexp_eatControlEscape(state) || this.regexp_eatCControlLetter(state) || this.regexp_eatZero(state) || this.regexp_eatHexEscapeSequence(state) || this.regexp_eatRegExpUnicodeEscapeSequence(state, false) || !state.switchU && this.regexp_eatLegacyOctalEscapeSequence(state) || this.regexp_eatIdentityEscape(state); }; pp$1.regexp_eatCControlLetter = function(state) { - var start = state.pos; - if (state.eat(0x63 /* c */)) { - if (this.regexp_eatControlLetter(state)) { - return true - } - state.pos = start; - } - return false + var start = state.pos; + if (state.eat( + 99 + /* c */ +)) { + if (this.regexp_eatControlLetter(state)) return true; + state.pos = start; + } + return false; }; pp$1.regexp_eatZero = function(state) { - if (state.current() === 0x30 /* 0 */ && !isDecimalDigit(state.lookahead())) { - state.lastIntValue = 0; - state.advance(); - return true - } - return false + if (state.current() === 48 && !isDecimalDigit(state.lookahead())) { + state.lastIntValue = 0; + state.advance(); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-ControlEscape pp$1.regexp_eatControlEscape = function(state) { - var ch = state.current(); - if (ch === 0x74 /* t */) { - state.lastIntValue = 0x09; /* \t */ - state.advance(); - return true - } - if (ch === 0x6E /* n */) { - state.lastIntValue = 0x0A; /* \n */ - state.advance(); - return true - } - if (ch === 0x76 /* v */) { - state.lastIntValue = 0x0B; /* \v */ - state.advance(); - return true - } - if (ch === 0x66 /* f */) { - state.lastIntValue = 0x0C; /* \f */ - state.advance(); - return true - } - if (ch === 0x72 /* r */) { - state.lastIntValue = 0x0D; /* \r */ - state.advance(); - return true - } - return false + var ch = state.current(); + if (ch === 116) { + state.lastIntValue = 9; + state.advance(); + return true; + } + if (ch === 110) { + state.lastIntValue = 10; + state.advance(); + return true; + } + if (ch === 118) { + state.lastIntValue = 11; + state.advance(); + return true; + } + if (ch === 102) { + state.lastIntValue = 12; + state.advance(); + return true; + } + if (ch === 114) { + state.lastIntValue = 13; + state.advance(); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-ControlLetter pp$1.regexp_eatControlLetter = function(state) { - var ch = state.current(); - if (isControlLetter(ch)) { - state.lastIntValue = ch % 0x20; - state.advance(); - return true - } - return false + var ch = state.current(); + if (isControlLetter(ch)) { + state.lastIntValue = ch % 32; + state.advance(); + return true; + } + return false; }; function isControlLetter(ch) { - return ( - (ch >= 0x41 /* A */ && ch <= 0x5A /* Z */) || - (ch >= 0x61 /* a */ && ch <= 0x7A /* z */) - ) + return ch >= 65 && ch <= 90 || ch >= 97 && ch <= 122; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-RegExpUnicodeEscapeSequence pp$1.regexp_eatRegExpUnicodeEscapeSequence = function(state, forceU) { - if ( forceU === void 0 ) forceU = false; - - var start = state.pos; - var switchU = forceU || state.switchU; - - if (state.eat(0x75 /* u */)) { - if (this.regexp_eatFixedHexDigits(state, 4)) { - var lead = state.lastIntValue; - if (switchU && lead >= 0xD800 && lead <= 0xDBFF) { - var leadSurrogateEnd = state.pos; - if (state.eat(0x5C /* \ */) && state.eat(0x75 /* u */) && this.regexp_eatFixedHexDigits(state, 4)) { - var trail = state.lastIntValue; - if (trail >= 0xDC00 && trail <= 0xDFFF) { - state.lastIntValue = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000; - return true - } - } - state.pos = leadSurrogateEnd; - state.lastIntValue = lead; - } - return true - } - if ( - switchU && - state.eat(0x7B /* { */) && - this.regexp_eatHexDigits(state) && - state.eat(0x7D /* } */) && - isValidUnicode(state.lastIntValue) - ) { - return true - } - if (switchU) { - state.raise("Invalid unicode escape"); - } - state.pos = start; - } - - return false + if (forceU === void 0) forceU = false; + var start = state.pos; + var switchU = forceU || state.switchU; + if (state.eat( + 117 + /* u */ +)) { + if (this.regexp_eatFixedHexDigits(state, 4)) { + var lead = state.lastIntValue; + if (switchU && lead >= 55296 && lead <= 56319) { + var leadSurrogateEnd = state.pos; + if (state.eat( + 92 + /* \ */ +) && state.eat( + 117 + /* u */ +) && this.regexp_eatFixedHexDigits(state, 4)) { + var trail = state.lastIntValue; + if (trail >= 56320 && trail <= 57343) { + state.lastIntValue = (lead - 55296) * 1024 + (trail - 56320) + 65536; + return true; + } + } + state.pos = leadSurrogateEnd; + state.lastIntValue = lead; + } + return true; + } + if (switchU && state.eat( + 123 + /* { */ +) && this.regexp_eatHexDigits(state) && state.eat( + 125 + /* } */ +) && isValidUnicode(state.lastIntValue)) return true; + if (switchU) state.raise("Invalid unicode escape"); + state.pos = start; + } + return false; }; function isValidUnicode(ch) { - return ch >= 0 && ch <= 0x10FFFF + return ch >= 0 && ch <= 1114111; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-IdentityEscape pp$1.regexp_eatIdentityEscape = function(state) { - if (state.switchU) { - if (this.regexp_eatSyntaxCharacter(state)) { - return true - } - if (state.eat(0x2F /* / */)) { - state.lastIntValue = 0x2F; /* / */ - return true - } - return false - } - - var ch = state.current(); - if (ch !== 0x63 /* c */ && (!state.switchN || ch !== 0x6B /* k */)) { - state.lastIntValue = ch; - state.advance(); - return true - } - - return false + if (state.switchU) { + if (this.regexp_eatSyntaxCharacter(state)) return true; + if (state.eat( + 47 + /* / */ +)) { + state.lastIntValue = 47; + return true; + } + return false; + } + var ch = state.current(); + if (ch !== 99 && (!state.switchN || ch !== 107)) { + state.lastIntValue = ch; + state.advance(); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalEscape pp$1.regexp_eatDecimalEscape = function(state) { - state.lastIntValue = 0; - var ch = state.current(); - if (ch >= 0x31 /* 1 */ && ch <= 0x39 /* 9 */) { - do { - state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); - state.advance(); - } while ((ch = state.current()) >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) - return true - } - return false -}; - -// Return values used by character set parsing methods, needed to -// forbid negation of sets that can match strings. -var CharSetNone = 0; // Nothing parsed -var CharSetOk = 1; // Construct parsed, cannot contain strings -var CharSetString = 2; // Construct parsed, can contain strings - -// https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClassEscape + state.lastIntValue = 0; + var ch = state.current(); + if (ch >= 49 && ch <= 57) { + do { + state.lastIntValue = 10 * state.lastIntValue + (ch - 48); + state.advance(); + } while ((ch = state.current()) >= 48 && ch <= 57); + return true; + } + return false; +}; +var CharSetNone = 0; +var CharSetOk = 1; +var CharSetString = 2; pp$1.regexp_eatCharacterClassEscape = function(state) { - var ch = state.current(); - - if (isCharacterClassEscape(ch)) { - state.lastIntValue = -1; - state.advance(); - return CharSetOk - } - - var negate = false; - if ( - state.switchU && - this.options.ecmaVersion >= 9 && - ((negate = ch === 0x50 /* P */) || ch === 0x70 /* p */) - ) { - state.lastIntValue = -1; - state.advance(); - var result; - if ( - state.eat(0x7B /* { */) && - (result = this.regexp_eatUnicodePropertyValueExpression(state)) && - state.eat(0x7D /* } */) - ) { - if (negate && result === CharSetString) { state.raise("Invalid property name"); } - return result - } - state.raise("Invalid property name"); - } - - return CharSetNone + var ch = state.current(); + if (isCharacterClassEscape(ch)) { + state.lastIntValue = -1; + state.advance(); + return CharSetOk; + } + var negate = false; + if (state.switchU && this.options.ecmaVersion >= 9 && ((negate = ch === 80) || ch === 112)) { + state.lastIntValue = -1; + state.advance(); + var result; + if (state.eat( + 123 + /* { */ +) && (result = this.regexp_eatUnicodePropertyValueExpression(state)) && state.eat( + 125 + /* } */ +)) { + if (negate && result === CharSetString) state.raise("Invalid property name"); + return result; + } + state.raise("Invalid property name"); + } + return CharSetNone; }; - function isCharacterClassEscape(ch) { - return ( - ch === 0x64 /* d */ || - ch === 0x44 /* D */ || - ch === 0x73 /* s */ || - ch === 0x53 /* S */ || - ch === 0x77 /* w */ || - ch === 0x57 /* W */ - ) + return ch === 100 || ch === 68 || ch === 115 || ch === 83 || ch === 119 || ch === 87; } - -// UnicodePropertyValueExpression :: -// UnicodePropertyName `=` UnicodePropertyValue -// LoneUnicodePropertyNameOrValue pp$1.regexp_eatUnicodePropertyValueExpression = function(state) { - var start = state.pos; - - // UnicodePropertyName `=` UnicodePropertyValue - if (this.regexp_eatUnicodePropertyName(state) && state.eat(0x3D /* = */)) { - var name = state.lastStringValue; - if (this.regexp_eatUnicodePropertyValue(state)) { - var value = state.lastStringValue; - this.regexp_validateUnicodePropertyNameAndValue(state, name, value); - return CharSetOk - } - } - state.pos = start; - - // LoneUnicodePropertyNameOrValue - if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { - var nameOrValue = state.lastStringValue; - return this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue) - } - return CharSetNone + var start = state.pos; + if (this.regexp_eatUnicodePropertyName(state) && state.eat( + 61 + /* = */ +)) { + var name = state.lastStringValue; + if (this.regexp_eatUnicodePropertyValue(state)) { + var value = state.lastStringValue; + this.regexp_validateUnicodePropertyNameAndValue(state, name, value); + return CharSetOk; + } + } + state.pos = start; + if (this.regexp_eatLoneUnicodePropertyNameOrValue(state)) { + var nameOrValue = state.lastStringValue; + return this.regexp_validateUnicodePropertyNameOrValue(state, nameOrValue); + } + return CharSetNone; }; - pp$1.regexp_validateUnicodePropertyNameAndValue = function(state, name, value) { - if (!hasOwn(state.unicodeProperties.nonBinary, name)) - { state.raise("Invalid property name"); } - if (!state.unicodeProperties.nonBinary[name].test(value)) - { state.raise("Invalid property value"); } + if (!hasOwn(state.unicodeProperties.nonBinary, name)) state.raise("Invalid property name"); + if (!state.unicodeProperties.nonBinary[name].test(value)) state.raise("Invalid property value"); }; - pp$1.regexp_validateUnicodePropertyNameOrValue = function(state, nameOrValue) { - if (state.unicodeProperties.binary.test(nameOrValue)) { return CharSetOk } - if (state.switchV && state.unicodeProperties.binaryOfStrings.test(nameOrValue)) { return CharSetString } - state.raise("Invalid property name"); + if (state.unicodeProperties.binary.test(nameOrValue)) return CharSetOk; + if (state.switchV && state.unicodeProperties.binaryOfStrings.test(nameOrValue)) return CharSetString; + state.raise("Invalid property name"); }; - -// UnicodePropertyName :: -// UnicodePropertyNameCharacters pp$1.regexp_eatUnicodePropertyName = function(state) { - var ch = 0; - state.lastStringValue = ""; - while (isUnicodePropertyNameCharacter(ch = state.current())) { - state.lastStringValue += codePointToString(ch); - state.advance(); - } - return state.lastStringValue !== "" + var ch = 0; + state.lastStringValue = ""; + while (isUnicodePropertyNameCharacter(ch = state.current())) { + state.lastStringValue += codePointToString(ch); + state.advance(); + } + return state.lastStringValue !== ""; }; - function isUnicodePropertyNameCharacter(ch) { - return isControlLetter(ch) || ch === 0x5F /* _ */ + return isControlLetter(ch) || ch === 95; } - -// UnicodePropertyValue :: -// UnicodePropertyValueCharacters pp$1.regexp_eatUnicodePropertyValue = function(state) { - var ch = 0; - state.lastStringValue = ""; - while (isUnicodePropertyValueCharacter(ch = state.current())) { - state.lastStringValue += codePointToString(ch); - state.advance(); - } - return state.lastStringValue !== "" + var ch = 0; + state.lastStringValue = ""; + while (isUnicodePropertyValueCharacter(ch = state.current())) { + state.lastStringValue += codePointToString(ch); + state.advance(); + } + return state.lastStringValue !== ""; }; function isUnicodePropertyValueCharacter(ch) { - return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch) + return isUnicodePropertyNameCharacter(ch) || isDecimalDigit(ch); } - -// LoneUnicodePropertyNameOrValue :: -// UnicodePropertyValueCharacters pp$1.regexp_eatLoneUnicodePropertyNameOrValue = function(state) { - return this.regexp_eatUnicodePropertyValue(state) + return this.regexp_eatUnicodePropertyValue(state); }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-CharacterClass pp$1.regexp_eatCharacterClass = function(state) { - if (state.eat(0x5B /* [ */)) { - var negate = state.eat(0x5E /* ^ */); - var result = this.regexp_classContents(state); - if (!state.eat(0x5D /* ] */)) - { state.raise("Unterminated character class"); } - if (negate && result === CharSetString) - { state.raise("Negated character class may contain strings"); } - return true - } - return false + if (state.eat( + 91 + /* [ */ +)) { + var negate = state.eat( + 94 + /* ^ */ +); + var result = this.regexp_classContents(state); + if (!state.eat( + 93 + /* ] */ +)) state.raise("Unterminated character class"); + if (negate && result === CharSetString) state.raise("Negated character class may contain strings"); + return true; + } + return false; }; - -// https://tc39.es/ecma262/#prod-ClassContents -// https://www.ecma-international.org/ecma-262/8.0/#prod-ClassRanges pp$1.regexp_classContents = function(state) { - if (state.current() === 0x5D /* ] */) { return CharSetOk } - if (state.switchV) { return this.regexp_classSetExpression(state) } - this.regexp_nonEmptyClassRanges(state); - return CharSetOk + if (state.current() === 93) return CharSetOk; + if (state.switchV) return this.regexp_classSetExpression(state); + this.regexp_nonEmptyClassRanges(state); + return CharSetOk; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRanges -// https://www.ecma-international.org/ecma-262/8.0/#prod-NonemptyClassRangesNoDash pp$1.regexp_nonEmptyClassRanges = function(state) { - while (this.regexp_eatClassAtom(state)) { - var left = state.lastIntValue; - if (state.eat(0x2D /* - */) && this.regexp_eatClassAtom(state)) { - var right = state.lastIntValue; - if (state.switchU && (left === -1 || right === -1)) { - state.raise("Invalid character class"); - } - if (left !== -1 && right !== -1 && left > right) { - state.raise("Range out of order in character class"); - } - } - } + while (this.regexp_eatClassAtom(state)) { + var left = state.lastIntValue; + if (state.eat( + 45 + /* - */ +) && this.regexp_eatClassAtom(state)) { + var right = state.lastIntValue; + if (state.switchU && (left === -1 || right === -1)) state.raise("Invalid character class"); + if (left !== -1 && right !== -1 && left > right) state.raise("Range out of order in character class"); + } + } }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtom -// https://www.ecma-international.org/ecma-262/8.0/#prod-ClassAtomNoDash pp$1.regexp_eatClassAtom = function(state) { - var start = state.pos; - - if (state.eat(0x5C /* \ */)) { - if (this.regexp_eatClassEscape(state)) { - return true - } - if (state.switchU) { - // Make the same message as V8. - var ch$1 = state.current(); - if (ch$1 === 0x63 /* c */ || isOctalDigit(ch$1)) { - state.raise("Invalid class escape"); - } - state.raise("Invalid escape"); - } - state.pos = start; - } - - var ch = state.current(); - if (ch !== 0x5D /* ] */) { - state.lastIntValue = ch; - state.advance(); - return true - } - - return false + var start = state.pos; + if (state.eat( + 92 + /* \ */ +)) { + if (this.regexp_eatClassEscape(state)) return true; + if (state.switchU) { + var ch$1 = state.current(); + if (ch$1 === 99 || isOctalDigit(ch$1)) state.raise("Invalid class escape"); + state.raise("Invalid escape"); + } + state.pos = start; + } + var ch = state.current(); + if (ch !== 93) { + state.lastIntValue = ch; + state.advance(); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassEscape pp$1.regexp_eatClassEscape = function(state) { - var start = state.pos; - - if (state.eat(0x62 /* b */)) { - state.lastIntValue = 0x08; /* */ - return true - } - - if (state.switchU && state.eat(0x2D /* - */)) { - state.lastIntValue = 0x2D; /* - */ - return true - } - - if (!state.switchU && state.eat(0x63 /* c */)) { - if (this.regexp_eatClassControlLetter(state)) { - return true - } - state.pos = start; - } - - return ( - this.regexp_eatCharacterClassEscape(state) || - this.regexp_eatCharacterEscape(state) - ) + var start = state.pos; + if (state.eat( + 98 + /* b */ +)) { + state.lastIntValue = 8; + return true; + } + if (state.switchU && state.eat( + 45 + /* - */ +)) { + state.lastIntValue = 45; + return true; + } + if (!state.switchU && state.eat( + 99 + /* c */ +)) { + if (this.regexp_eatClassControlLetter(state)) return true; + state.pos = start; + } + return this.regexp_eatCharacterClassEscape(state) || this.regexp_eatCharacterEscape(state); }; - -// https://tc39.es/ecma262/#prod-ClassSetExpression -// https://tc39.es/ecma262/#prod-ClassUnion -// https://tc39.es/ecma262/#prod-ClassIntersection -// https://tc39.es/ecma262/#prod-ClassSubtraction pp$1.regexp_classSetExpression = function(state) { - var result = CharSetOk, subResult; - if (this.regexp_eatClassSetRange(state)) ; else if (subResult = this.regexp_eatClassSetOperand(state)) { - if (subResult === CharSetString) { result = CharSetString; } - // https://tc39.es/ecma262/#prod-ClassIntersection - var start = state.pos; - while (state.eatChars([0x26, 0x26] /* && */)) { - if ( - state.current() !== 0x26 /* & */ && - (subResult = this.regexp_eatClassSetOperand(state)) - ) { - if (subResult !== CharSetString) { result = CharSetOk; } - continue - } - state.raise("Invalid character in character class"); - } - if (start !== state.pos) { return result } - // https://tc39.es/ecma262/#prod-ClassSubtraction - while (state.eatChars([0x2D, 0x2D] /* -- */)) { - if (this.regexp_eatClassSetOperand(state)) { continue } - state.raise("Invalid character in character class"); - } - if (start !== state.pos) { return result } - } else { - state.raise("Invalid character in character class"); - } - // https://tc39.es/ecma262/#prod-ClassUnion - for (;;) { - if (this.regexp_eatClassSetRange(state)) { continue } - subResult = this.regexp_eatClassSetOperand(state); - if (!subResult) { return result } - if (subResult === CharSetString) { result = CharSetString; } - } + var result = CharSetOk, subResult; + if (this.regexp_eatClassSetRange(state)); + else if (subResult = this.regexp_eatClassSetOperand(state)) { + if (subResult === CharSetString) result = CharSetString; + var start = state.pos; + while (state.eatChars( + [38, 38] + /* && */ +)) { + if (state.current() !== 38 && (subResult = this.regexp_eatClassSetOperand(state))) { + if (subResult !== CharSetString) result = CharSetOk; + continue; + } + state.raise("Invalid character in character class"); + } + if (start !== state.pos) return result; + while (state.eatChars( + [45, 45] + /* -- */ +)) { + if (this.regexp_eatClassSetOperand(state)) continue; + state.raise("Invalid character in character class"); + } + if (start !== state.pos) return result; + } else state.raise("Invalid character in character class"); + for (;;) { + if (this.regexp_eatClassSetRange(state)) continue; + subResult = this.regexp_eatClassSetOperand(state); + if (!subResult) return result; + if (subResult === CharSetString) result = CharSetString; + } }; - -// https://tc39.es/ecma262/#prod-ClassSetRange pp$1.regexp_eatClassSetRange = function(state) { - var start = state.pos; - if (this.regexp_eatClassSetCharacter(state)) { - var left = state.lastIntValue; - if (state.eat(0x2D /* - */) && this.regexp_eatClassSetCharacter(state)) { - var right = state.lastIntValue; - if (left !== -1 && right !== -1 && left > right) { - state.raise("Range out of order in character class"); - } - return true - } - state.pos = start; - } - return false + var start = state.pos; + if (this.regexp_eatClassSetCharacter(state)) { + var left = state.lastIntValue; + if (state.eat( + 45 + /* - */ +) && this.regexp_eatClassSetCharacter(state)) { + var right = state.lastIntValue; + if (left !== -1 && right !== -1 && left > right) state.raise("Range out of order in character class"); + return true; + } + state.pos = start; + } + return false; }; - -// https://tc39.es/ecma262/#prod-ClassSetOperand pp$1.regexp_eatClassSetOperand = function(state) { - if (this.regexp_eatClassSetCharacter(state)) { return CharSetOk } - return this.regexp_eatClassStringDisjunction(state) || this.regexp_eatNestedClass(state) + if (this.regexp_eatClassSetCharacter(state)) return CharSetOk; + return this.regexp_eatClassStringDisjunction(state) || this.regexp_eatNestedClass(state); }; - -// https://tc39.es/ecma262/#prod-NestedClass pp$1.regexp_eatNestedClass = function(state) { - var start = state.pos; - if (state.eat(0x5B /* [ */)) { - var negate = state.eat(0x5E /* ^ */); - var result = this.regexp_classContents(state); - if (state.eat(0x5D /* ] */)) { - if (negate && result === CharSetString) { - state.raise("Negated character class may contain strings"); - } - return result - } - state.pos = start; - } - if (state.eat(0x5C /* \ */)) { - var result$1 = this.regexp_eatCharacterClassEscape(state); - if (result$1) { - return result$1 - } - state.pos = start; - } - return null + var start = state.pos; + if (state.eat( + 91 + /* [ */ +)) { + var negate = state.eat( + 94 + /* ^ */ +); + var result = this.regexp_classContents(state); + if (state.eat( + 93 + /* ] */ +)) { + if (negate && result === CharSetString) state.raise("Negated character class may contain strings"); + return result; + } + state.pos = start; + } + if (state.eat( + 92 + /* \ */ +)) { + var result$1 = this.regexp_eatCharacterClassEscape(state); + if (result$1) return result$1; + state.pos = start; + } + return null; }; - -// https://tc39.es/ecma262/#prod-ClassStringDisjunction pp$1.regexp_eatClassStringDisjunction = function(state) { - var start = state.pos; - if (state.eatChars([0x5C, 0x71] /* \q */)) { - if (state.eat(0x7B /* { */)) { - var result = this.regexp_classStringDisjunctionContents(state); - if (state.eat(0x7D /* } */)) { - return result - } - } else { - // Make the same message as V8. - state.raise("Invalid escape"); - } - state.pos = start; - } - return null + var start = state.pos; + if (state.eatChars( + [92, 113] + /* \q */ +)) { + if (state.eat( + 123 + /* { */ +)) { + var result = this.regexp_classStringDisjunctionContents(state); + if (state.eat( + 125 + /* } */ +)) return result; + } else state.raise("Invalid escape"); + state.pos = start; + } + return null; }; - -// https://tc39.es/ecma262/#prod-ClassStringDisjunctionContents pp$1.regexp_classStringDisjunctionContents = function(state) { - var result = this.regexp_classString(state); - while (state.eat(0x7C /* | */)) { - if (this.regexp_classString(state) === CharSetString) { result = CharSetString; } - } - return result + var result = this.regexp_classString(state); + while (state.eat( + 124 + /* | */ +)) if (this.regexp_classString(state) === CharSetString) result = CharSetString; + return result; }; - -// https://tc39.es/ecma262/#prod-ClassString -// https://tc39.es/ecma262/#prod-NonEmptyClassString pp$1.regexp_classString = function(state) { - var count = 0; - while (this.regexp_eatClassSetCharacter(state)) { count++; } - return count === 1 ? CharSetOk : CharSetString + var count = 0; + while (this.regexp_eatClassSetCharacter(state)) count++; + return count === 1 ? CharSetOk : CharSetString; }; - -// https://tc39.es/ecma262/#prod-ClassSetCharacter pp$1.regexp_eatClassSetCharacter = function(state) { - var start = state.pos; - if (state.eat(0x5C /* \ */)) { - if ( - this.regexp_eatCharacterEscape(state) || - this.regexp_eatClassSetReservedPunctuator(state) - ) { - return true - } - if (state.eat(0x62 /* b */)) { - state.lastIntValue = 0x08; /* */ - return true - } - state.pos = start; - return false - } - var ch = state.current(); - if (ch < 0 || ch === state.lookahead() && isClassSetReservedDoublePunctuatorCharacter(ch)) { return false } - if (isClassSetSyntaxCharacter(ch)) { return false } - state.advance(); - state.lastIntValue = ch; - return true + var start = state.pos; + if (state.eat( + 92 + /* \ */ +)) { + if (this.regexp_eatCharacterEscape(state) || this.regexp_eatClassSetReservedPunctuator(state)) return true; + if (state.eat( + 98 + /* b */ +)) { + state.lastIntValue = 8; + return true; + } + state.pos = start; + return false; + } + var ch = state.current(); + if (ch < 0 || ch === state.lookahead() && isClassSetReservedDoublePunctuatorCharacter(ch)) return false; + if (isClassSetSyntaxCharacter(ch)) return false; + state.advance(); + state.lastIntValue = ch; + return true; }; - -// https://tc39.es/ecma262/#prod-ClassSetReservedDoublePunctuator function isClassSetReservedDoublePunctuatorCharacter(ch) { - return ( - ch === 0x21 /* ! */ || - ch >= 0x23 /* # */ && ch <= 0x26 /* & */ || - ch >= 0x2A /* * */ && ch <= 0x2C /* , */ || - ch === 0x2E /* . */ || - ch >= 0x3A /* : */ && ch <= 0x40 /* @ */ || - ch === 0x5E /* ^ */ || - ch === 0x60 /* ` */ || - ch === 0x7E /* ~ */ - ) + return ch === 33 || ch >= 35 && ch <= 38 || ch >= 42 && ch <= 44 || ch === 46 || ch >= 58 && ch <= 64 || ch === 94 || ch === 96 || ch === 126; } - -// https://tc39.es/ecma262/#prod-ClassSetSyntaxCharacter function isClassSetSyntaxCharacter(ch) { - return ( - ch === 0x28 /* ( */ || - ch === 0x29 /* ) */ || - ch === 0x2D /* - */ || - ch === 0x2F /* / */ || - ch >= 0x5B /* [ */ && ch <= 0x5D /* ] */ || - ch >= 0x7B /* { */ && ch <= 0x7D /* } */ - ) + return ch === 40 || ch === 41 || ch === 45 || ch === 47 || ch >= 91 && ch <= 93 || ch >= 123 && ch <= 125; } - -// https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator pp$1.regexp_eatClassSetReservedPunctuator = function(state) { - var ch = state.current(); - if (isClassSetReservedPunctuator(ch)) { - state.lastIntValue = ch; - state.advance(); - return true - } - return false + var ch = state.current(); + if (isClassSetReservedPunctuator(ch)) { + state.lastIntValue = ch; + state.advance(); + return true; + } + return false; }; - -// https://tc39.es/ecma262/#prod-ClassSetReservedPunctuator function isClassSetReservedPunctuator(ch) { - return ( - ch === 0x21 /* ! */ || - ch === 0x23 /* # */ || - ch === 0x25 /* % */ || - ch === 0x26 /* & */ || - ch === 0x2C /* , */ || - ch === 0x2D /* - */ || - ch >= 0x3A /* : */ && ch <= 0x3E /* > */ || - ch === 0x40 /* @ */ || - ch === 0x60 /* ` */ || - ch === 0x7E /* ~ */ - ) + return ch === 33 || ch === 35 || ch === 37 || ch === 38 || ch === 44 || ch === 45 || ch >= 58 && ch <= 62 || ch === 64 || ch === 96 || ch === 126; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-ClassControlLetter pp$1.regexp_eatClassControlLetter = function(state) { - var ch = state.current(); - if (isDecimalDigit(ch) || ch === 0x5F /* _ */) { - state.lastIntValue = ch % 0x20; - state.advance(); - return true - } - return false + var ch = state.current(); + if (isDecimalDigit(ch) || ch === 95) { + state.lastIntValue = ch % 32; + state.advance(); + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence pp$1.regexp_eatHexEscapeSequence = function(state) { - var start = state.pos; - if (state.eat(0x78 /* x */)) { - if (this.regexp_eatFixedHexDigits(state, 2)) { - return true - } - if (state.switchU) { - state.raise("Invalid escape"); - } - state.pos = start; - } - return false + var start = state.pos; + if (state.eat( + 120 + /* x */ +)) { + if (this.regexp_eatFixedHexDigits(state, 2)) return true; + if (state.switchU) state.raise("Invalid escape"); + state.pos = start; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-DecimalDigits pp$1.regexp_eatDecimalDigits = function(state) { - var start = state.pos; - var ch = 0; - state.lastIntValue = 0; - while (isDecimalDigit(ch = state.current())) { - state.lastIntValue = 10 * state.lastIntValue + (ch - 0x30 /* 0 */); - state.advance(); - } - return state.pos !== start + var start = state.pos; + var ch = 0; + state.lastIntValue = 0; + while (isDecimalDigit(ch = state.current())) { + state.lastIntValue = 10 * state.lastIntValue + (ch - 48); + state.advance(); + } + return state.pos !== start; }; function isDecimalDigit(ch) { - return ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */ + return ch >= 48 && ch <= 57; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigits pp$1.regexp_eatHexDigits = function(state) { - var start = state.pos; - var ch = 0; - state.lastIntValue = 0; - while (isHexDigit(ch = state.current())) { - state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); - state.advance(); - } - return state.pos !== start + var start = state.pos; + var ch = 0; + state.lastIntValue = 0; + while (isHexDigit(ch = state.current())) { + state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); + state.advance(); + } + return state.pos !== start; }; function isHexDigit(ch) { - return ( - (ch >= 0x30 /* 0 */ && ch <= 0x39 /* 9 */) || - (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) || - (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) - ) + return ch >= 48 && ch <= 57 || ch >= 65 && ch <= 70 || ch >= 97 && ch <= 102; } function hexToInt(ch) { - if (ch >= 0x41 /* A */ && ch <= 0x46 /* F */) { - return 10 + (ch - 0x41 /* A */) - } - if (ch >= 0x61 /* a */ && ch <= 0x66 /* f */) { - return 10 + (ch - 0x61 /* a */) - } - return ch - 0x30 /* 0 */ + if (ch >= 65 && ch <= 70) return 10 + (ch - 65); + if (ch >= 97 && ch <= 102) return 10 + (ch - 97); + return ch - 48; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-annexB-LegacyOctalEscapeSequence -// Allows only 0-377(octal) i.e. 0-255(decimal). pp$1.regexp_eatLegacyOctalEscapeSequence = function(state) { - if (this.regexp_eatOctalDigit(state)) { - var n1 = state.lastIntValue; - if (this.regexp_eatOctalDigit(state)) { - var n2 = state.lastIntValue; - if (n1 <= 3 && this.regexp_eatOctalDigit(state)) { - state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue; - } else { - state.lastIntValue = n1 * 8 + n2; - } - } else { - state.lastIntValue = n1; - } - return true - } - return false + if (this.regexp_eatOctalDigit(state)) { + var n1 = state.lastIntValue; + if (this.regexp_eatOctalDigit(state)) { + var n2 = state.lastIntValue; + if (n1 <= 3 && this.regexp_eatOctalDigit(state)) state.lastIntValue = n1 * 64 + n2 * 8 + state.lastIntValue; + else state.lastIntValue = n1 * 8 + n2; + } else state.lastIntValue = n1; + return true; + } + return false; }; - -// https://www.ecma-international.org/ecma-262/8.0/#prod-OctalDigit pp$1.regexp_eatOctalDigit = function(state) { - var ch = state.current(); - if (isOctalDigit(ch)) { - state.lastIntValue = ch - 0x30; /* 0 */ - state.advance(); - return true - } - state.lastIntValue = 0; - return false + var ch = state.current(); + if (isOctalDigit(ch)) { + state.lastIntValue = ch - 48; + state.advance(); + return true; + } + state.lastIntValue = 0; + return false; }; function isOctalDigit(ch) { - return ch >= 0x30 /* 0 */ && ch <= 0x37 /* 7 */ + return ch >= 48 && ch <= 55; } - -// https://www.ecma-international.org/ecma-262/8.0/#prod-Hex4Digits -// https://www.ecma-international.org/ecma-262/8.0/#prod-HexDigit -// And HexDigit HexDigit in https://www.ecma-international.org/ecma-262/8.0/#prod-HexEscapeSequence pp$1.regexp_eatFixedHexDigits = function(state, length) { - var start = state.pos; - state.lastIntValue = 0; - for (var i = 0; i < length; ++i) { - var ch = state.current(); - if (!isHexDigit(ch)) { - state.pos = start; - return false - } - state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); - state.advance(); - } - return true -}; - -// Object type used to represent tokens. Note that normally, tokens -// simply exist as properties on the parser object. This is only -// used for the onToken callback and the external tokenizer. - -var Token = function Token(p) { - this.type = p.type; - this.value = p.value; - this.start = p.start; - this.end = p.end; - if (p.options.locations) - { this.loc = new SourceLocation(p, p.startLoc, p.endLoc); } - if (p.options.ranges) - { this.range = [p.start, p.end]; } + var start = state.pos; + state.lastIntValue = 0; + for (var i$1 = 0; i$1 < length; ++i$1) { + var ch = state.current(); + if (!isHexDigit(ch)) { + state.pos = start; + return false; + } + state.lastIntValue = 16 * state.lastIntValue + hexToInt(ch); + state.advance(); + } + return true; +}; +var Token = function Token$1(p) { + this.type = p.type; + this.value = p.value; + this.start = p.start; + this.end = p.end; + if (p.options.locations) this.loc = new SourceLocation(p, p.startLoc, p.endLoc); + if (p.options.ranges) this.range = [p.start, p.end]; }; - -// ## Tokenizer - var pp = Parser.prototype; - -// Move to the next token - pp.next = function(ignoreEscapeSequenceInKeyword) { - if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) - { this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); } - if (this.options.onToken) - { this.options.onToken(new Token(this)); } - - this.lastTokEnd = this.end; - this.lastTokStart = this.start; - this.lastTokEndLoc = this.endLoc; - this.lastTokStartLoc = this.startLoc; - this.nextToken(); + if (!ignoreEscapeSequenceInKeyword && this.type.keyword && this.containsEsc) this.raiseRecoverable(this.start, "Escape sequence in keyword " + this.type.keyword); + if (this.options.onToken) this.options.onToken(new Token(this)); + this.lastTokEnd = this.end; + this.lastTokStart = this.start; + this.lastTokEndLoc = this.endLoc; + this.lastTokStartLoc = this.startLoc; + this.nextToken(); }; - pp.getToken = function() { - this.next(); - return new Token(this) + this.next(); + return new Token(this); +}; +if (typeof Symbol !== "undefined") pp[Symbol.iterator] = function() { + var this$1$1 = this; + return { next: function() { + var token = this$1$1.getToken(); + return { + done: token.type === types$1.eof, + value: token + }; + } }; }; - -// If we're in an ES6 environment, make parsers iterable -if (typeof Symbol !== "undefined") - { pp[Symbol.iterator] = function() { - var this$1$1 = this; - - return { - next: function () { - var token = this$1$1.getToken(); - return { - done: token.type === types$1.eof, - value: token - } - } - } - }; } - -// Toggle strict mode. Re-reads the next number or string to please -// pedantic tests (`"use strict"; 010;` should fail). - -// Read a single token, updating the parser object's token-related -// properties. - pp.nextToken = function() { - var curContext = this.curContext(); - if (!curContext || !curContext.preserveSpace) { this.skipSpace(); } - - this.start = this.pos; - if (this.options.locations) { this.startLoc = this.curPosition(); } - if (this.pos >= this.input.length) { return this.finishToken(types$1.eof) } - - if (curContext.override) { return curContext.override(this) } - else { this.readToken(this.fullCharCodeAtPos()); } + var curContext = this.curContext(); + if (!curContext || !curContext.preserveSpace) this.skipSpace(); + this.start = this.pos; + if (this.options.locations) this.startLoc = this.curPosition(); + if (this.pos >= this.input.length) return this.finishToken(types$1.eof); + if (curContext.override) return curContext.override(this); + else this.readToken(this.fullCharCodeAtPos()); }; - pp.readToken = function(code) { - // Identifier or keyword. '\uXXXX' sequences are allowed in - // identifiers, so '\' also dispatches to that. - if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92 /* '\' */) - { return this.readWord() } - - return this.getTokenFromCode(code) + if (isIdentifierStart(code, this.options.ecmaVersion >= 6) || code === 92) return this.readWord(); + return this.getTokenFromCode(code); }; - pp.fullCharCodeAtPos = function() { - var code = this.input.charCodeAt(this.pos); - if (code <= 0xd7ff || code >= 0xdc00) { return code } - var next = this.input.charCodeAt(this.pos + 1); - return next <= 0xdbff || next >= 0xe000 ? code : (code << 10) + next - 0x35fdc00 + var code = this.input.charCodeAt(this.pos); + if (code <= 55295 || code >= 56320) return code; + var next = this.input.charCodeAt(this.pos + 1); + return next <= 56319 || next >= 57344 ? code : (code << 10) + next - 56613888; }; - pp.skipBlockComment = function() { - var startLoc = this.options.onComment && this.curPosition(); - var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); - if (end === -1) { this.raise(this.pos - 2, "Unterminated comment"); } - this.pos = end + 2; - if (this.options.locations) { - for (var nextBreak = (void 0), pos = start; (nextBreak = nextLineBreak(this.input, pos, this.pos)) > -1;) { - ++this.curLine; - pos = this.lineStart = nextBreak; - } - } - if (this.options.onComment) - { this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, - startLoc, this.curPosition()); } + var startLoc = this.options.onComment && this.curPosition(); + var start = this.pos, end = this.input.indexOf("*/", this.pos += 2); + if (end === -1) this.raise(this.pos - 2, "Unterminated comment"); + this.pos = end + 2; + if (this.options.locations) for (var nextBreak = void 0, pos = start; (nextBreak = nextLineBreak(this.input, pos, this.pos)) > -1;) { + ++this.curLine; + pos = this.lineStart = nextBreak; + } + if (this.options.onComment) this.options.onComment(true, this.input.slice(start + 2, end), start, this.pos, startLoc, this.curPosition()); }; - pp.skipLineComment = function(startSkip) { - var start = this.pos; - var startLoc = this.options.onComment && this.curPosition(); - var ch = this.input.charCodeAt(this.pos += startSkip); - while (this.pos < this.input.length && !isNewLine(ch)) { - ch = this.input.charCodeAt(++this.pos); - } - if (this.options.onComment) - { this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, - startLoc, this.curPosition()); } + var start = this.pos; + var startLoc = this.options.onComment && this.curPosition(); + var ch = this.input.charCodeAt(this.pos += startSkip); + while (this.pos < this.input.length && !isNewLine(ch)) ch = this.input.charCodeAt(++this.pos); + if (this.options.onComment) this.options.onComment(false, this.input.slice(start + startSkip, this.pos), start, this.pos, startLoc, this.curPosition()); }; - -// Called at the start of the parse and after every token. Skips -// whitespace and comments, and. - pp.skipSpace = function() { - loop: while (this.pos < this.input.length) { - var ch = this.input.charCodeAt(this.pos); - switch (ch) { - case 32: case 160: // ' ' - ++this.pos; - break - case 13: - if (this.input.charCodeAt(this.pos + 1) === 10) { - ++this.pos; - } - case 10: case 8232: case 8233: - ++this.pos; - if (this.options.locations) { - ++this.curLine; - this.lineStart = this.pos; - } - break - case 47: // '/' - switch (this.input.charCodeAt(this.pos + 1)) { - case 42: // '*' - this.skipBlockComment(); - break - case 47: - this.skipLineComment(2); - break - default: - break loop - } - break - default: - if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) { - ++this.pos; - } else { - break loop - } - } - } + loop: while (this.pos < this.input.length) { + var ch = this.input.charCodeAt(this.pos); + switch (ch) { + case 32: + case 160: + ++this.pos; + break; + case 13: if (this.input.charCodeAt(this.pos + 1) === 10) ++this.pos; + case 10: + case 8232: + case 8233: + ++this.pos; + if (this.options.locations) { + ++this.curLine; + this.lineStart = this.pos; + } + break; + case 47: + switch (this.input.charCodeAt(this.pos + 1)) { + case 42: + this.skipBlockComment(); + break; + case 47: + this.skipLineComment(2); + break; + default: break loop; + } + break; + default: if (ch > 8 && ch < 14 || ch >= 5760 && nonASCIIwhitespace.test(String.fromCharCode(ch))) ++this.pos; + else break loop; + } + } }; - -// Called at the end of every token. Sets `end`, `val`, and -// maintains `context` and `exprAllowed`, and skips the space after -// the token, so that the next one's `start` will point at the -// right position. - pp.finishToken = function(type, val) { - this.end = this.pos; - if (this.options.locations) { this.endLoc = this.curPosition(); } - var prevType = this.type; - this.type = type; - this.value = val; - - this.updateContext(prevType); + this.end = this.pos; + if (this.options.locations) this.endLoc = this.curPosition(); + var prevType = this.type; + this.type = type; + this.value = val; + this.updateContext(prevType); }; - -// ### Token reading - -// This is the function that is called to fetch the next token. It -// is somewhat obscure, because it works in character codes rather -// than characters, and because operator parsing has been inlined -// into it. -// -// All in the name of speed. -// pp.readToken_dot = function() { - var next = this.input.charCodeAt(this.pos + 1); - if (next >= 48 && next <= 57) { return this.readNumber(true) } - var next2 = this.input.charCodeAt(this.pos + 2); - if (this.options.ecmaVersion >= 6 && next === 46 && next2 === 46) { // 46 = dot '.' - this.pos += 3; - return this.finishToken(types$1.ellipsis) - } else { - ++this.pos; - return this.finishToken(types$1.dot) - } -}; - -pp.readToken_slash = function() { // '/' - var next = this.input.charCodeAt(this.pos + 1); - if (this.exprAllowed) { ++this.pos; return this.readRegexp() } - if (next === 61) { return this.finishOp(types$1.assign, 2) } - return this.finishOp(types$1.slash, 1) -}; - -pp.readToken_mult_modulo_exp = function(code) { // '%*' - var next = this.input.charCodeAt(this.pos + 1); - var size = 1; - var tokentype = code === 42 ? types$1.star : types$1.modulo; - - // exponentiation operator ** and **= - if (this.options.ecmaVersion >= 7 && code === 42 && next === 42) { - ++size; - tokentype = types$1.starstar; - next = this.input.charCodeAt(this.pos + 2); - } - - if (next === 61) { return this.finishOp(types$1.assign, size + 1) } - return this.finishOp(tokentype, size) -}; - -pp.readToken_pipe_amp = function(code) { // '|&' - var next = this.input.charCodeAt(this.pos + 1); - if (next === code) { - if (this.options.ecmaVersion >= 12) { - var next2 = this.input.charCodeAt(this.pos + 2); - if (next2 === 61) { return this.finishOp(types$1.assign, 3) } - } - return this.finishOp(code === 124 ? types$1.logicalOR : types$1.logicalAND, 2) - } - if (next === 61) { return this.finishOp(types$1.assign, 2) } - return this.finishOp(code === 124 ? types$1.bitwiseOR : types$1.bitwiseAND, 1) -}; - -pp.readToken_caret = function() { // '^' - var next = this.input.charCodeAt(this.pos + 1); - if (next === 61) { return this.finishOp(types$1.assign, 2) } - return this.finishOp(types$1.bitwiseXOR, 1) -}; - -pp.readToken_plus_min = function(code) { // '+-' - var next = this.input.charCodeAt(this.pos + 1); - if (next === code) { - if (next === 45 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 62 && - (this.lastTokEnd === 0 || lineBreak.test(this.input.slice(this.lastTokEnd, this.pos)))) { - // A `-->` line comment - this.skipLineComment(3); - this.skipSpace(); - return this.nextToken() - } - return this.finishOp(types$1.incDec, 2) - } - if (next === 61) { return this.finishOp(types$1.assign, 2) } - return this.finishOp(types$1.plusMin, 1) -}; - -pp.readToken_lt_gt = function(code) { // '<>' - var next = this.input.charCodeAt(this.pos + 1); - var size = 1; - if (next === code) { - size = code === 62 && this.input.charCodeAt(this.pos + 2) === 62 ? 3 : 2; - if (this.input.charCodeAt(this.pos + size) === 61) { return this.finishOp(types$1.assign, size + 1) } - return this.finishOp(types$1.bitShift, size) - } - if (next === 33 && code === 60 && !this.inModule && this.input.charCodeAt(this.pos + 2) === 45 && - this.input.charCodeAt(this.pos + 3) === 45) { - // `