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testtoken.cpp
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1525 lines (1274 loc) · 59.5 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "fixture.h"
#include "helpers.h"
#include "settings.h"
#include "standards.h"
#include "token.h"
#include "tokenlist.h"
#include "vfvalue.h"
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include <vector>
class TestToken : public TestFixture {
public:
TestToken() : TestFixture("TestToken") {}
private:
class TokenTest final : public Token
{
friend class TestToken;
};
const TokenList list{settingsDefault, Standards::Language::C};
std::vector<std::string> arithmeticalOps;
std::vector<std::string> logicalOps;
std::vector<std::string> bitOps;
std::vector<std::string> comparisonOps;
std::vector<std::string> extendedOps;
std::vector<std::string> assignmentOps;
void run() override {
arithmeticalOps = { "+", "-", "*", "/", "%", "<<", ">>" };
logicalOps = { "&&", "||", "!" };
comparisonOps = { "==", "!=", "<", "<=", ">", ">=" };
bitOps = { "&", "|", "^", "~" };
extendedOps = { ",", "[", "]", "(", ")", "?", ":" };
assignmentOps = { "=", "+=", "-=", "*=", "/=", "%=", "&=", "^=", "|=", "<<=", ">>=" };
TEST_CASE(nextprevious);
TEST_CASE(multiCompare);
TEST_CASE(multiCompare2); // #3294 - false negative multi compare between "=" and "=="
TEST_CASE(multiCompare3); // false positive for %or% on code using "|="
TEST_CASE(multiCompare4);
TEST_CASE(multiCompare5);
TEST_CASE(charTypes);
TEST_CASE(stringTypes);
TEST_CASE(getStrLength);
TEST_CASE(getStrSize);
TEST_CASE(strValue);
TEST_CASE(concatStr);
TEST_CASE(deleteLast);
TEST_CASE(deleteFirst);
TEST_CASE(nextArgument);
TEST_CASE(eraseTokens);
TEST_CASE(matchAny);
TEST_CASE(matchSingleChar);
TEST_CASE(matchNothingOrAnyNotElse);
TEST_CASE(matchType);
TEST_CASE(matchChar);
TEST_CASE(matchCompOp);
TEST_CASE(matchStr);
TEST_CASE(matchVarid);
TEST_CASE(matchNumeric);
TEST_CASE(matchBoolean);
TEST_CASE(matchOr);
TEST_CASE(matchOp);
TEST_CASE(matchConstOp);
TEST_CASE(isArithmeticalOp);
TEST_CASE(isOp);
TEST_CASE(isConstOp);
TEST_CASE(isExtendedOp);
TEST_CASE(isAssignmentOp);
TEST_CASE(isStandardType);
TEST_CASE(literals);
TEST_CASE(operators);
TEST_CASE(updateProperties);
TEST_CASE(isNameGuarantees1);
TEST_CASE(isNameGuarantees2);
TEST_CASE(isNameGuarantees3);
TEST_CASE(isNameGuarantees4);
TEST_CASE(isNameGuarantees5);
TEST_CASE(isNameGuarantees6);
TEST_CASE(canFindMatchingBracketsNeedsOpen);
TEST_CASE(canFindMatchingBracketsInnerPair);
TEST_CASE(canFindMatchingBracketsOuterPair);
TEST_CASE(canFindMatchingBracketsWithTooManyClosing);
TEST_CASE(canFindMatchingBracketsWithTooManyOpening);
TEST_CASE(findClosingBracket);
TES
97A6
T_CASE(findClosingBracket2);
TEST_CASE(findClosingBracket3);
TEST_CASE(findClosingBracket4);
TEST_CASE(expressionString);
TEST_CASE(hasKnownIntValue);
TEST_CASE(update_property_info);
TEST_CASE(update_property_info_evariable);
TEST_CASE(update_property_info_ekeyword_c);
TEST_CASE(update_property_info_ekeyword_cpp);
TEST_CASE(update_property_info_ebracket_link);
TEST_CASE(update_property_info_ecomparisonop_link);
TEST_CASE(update_property_info_etype_c);
TEST_CASE(update_property_info_etype_cpp);
TEST_CASE(update_property_info_replace); // #13743
TEST_CASE(varid_reset);
}
void nextprevious() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
auto *token = new Token(list, std::move(tokensFrontBack));
token->str("1");
(void)token->insertToken("2");
(void)token->next()->insertToken("3");
Token *last = token->tokAt(2);
ASSERT_EQUALS(token->str(), "1");
ASSERT_EQUALS(token->strAt(1), "2");
ASSERT_EQUALS(token->tokAt(2)->str(), "3");
ASSERT_EQUALS_MSG(true, last->next() == nullptr, "Null was expected");
ASSERT_EQUALS(last->str(), "3");
ASSERT_EQUALS(last->strAt(-1), "2");
ASSERT_EQUALS(last->tokAt(-2)->str(), "1");
ASSERT_EQUALS_MSG(true, token->previous() == nullptr, "Null was expected");
TokenList::deleteTokens(token);
}
#define MatchCheck(...) MatchCheck_(__FILE__, __LINE__, __VA_ARGS__)
bool MatchCheck_(const char* file, int line, const std::string& code, const std::string& pattern) {
SimpleTokenizer tokenizer(settingsDefault, *this);
const std::string code2 = ";" + code + ";";
try {
ASSERT_LOC(tokenizer.tokenize(code2), file, line);
} catch (...) {}
return Token::Match(tokenizer.tokens()->next(), pattern.c_str());
}
void multiCompare() const {
// Test for found
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token one(list, std::move(tokensFrontBack));
one.str("one");
ASSERT_EQUALS(1, TokenTest::multiCompare(&one, "one|two", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token two(list, std::move(tokensFrontBack));
two.str("two");
ASSERT_EQUALS(1, TokenTest::multiCompare(&two, "one|two", 0));
ASSERT_EQUALS(1, TokenTest::multiCompare(&two, "verybig|two|", 0));
}
// Test for empty string found
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token notfound(list, std::move(tokensFrontBack));
notfound.str("notfound");
ASSERT_EQUALS(0, TokenTest::multiCompare(¬found, "one|two|", 0));
// Test for not found
ASSERT_EQUALS(-1, TokenTest::multiCompare(¬found, "one|two", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token s(list, std::move(tokensFrontBack));
s.str("s");
ASSERT_EQUALS(-1, TokenTest::multiCompare(&s, "verybig|two", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token ne(list, std::move(tokensFrontBack));
ne.str("ne");
ASSERT_EQUALS(-1, TokenTest::multiCompare(&ne, "one|two", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token a(list, std::move(tokensFrontBack));
a.str("a");
ASSERT_EQUALS(-1, TokenTest::multiCompare(&a, "abc|def", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token abcd(list, std::move(tokensFrontBack));
abcd.str("abcd");
ASSERT_EQUALS(-1, TokenTest::multiCompare(&abcd, "abc|def", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token def(list, std::move(tokensFrontBack));
def.str("default");
ASSERT_EQUALS(-1, TokenTest::multiCompare(&def, "abc|def", 0));
}
// %op%
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token plus(list, std::move(tokensFrontBack));
plus.str("+");
ASSERT_EQUALS(1, TokenTest::multiCompare(&plus, "one|%op%", 0));
ASSERT_EQUALS(1, TokenTest::multiCompare(&plus, "%op%|two", 0));
}
{
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token x(list, std::move(tokensFrontBack));
x.str("x");
ASSERT_EQUALS(-1, TokenTest::multiCompare(&x, "one|%op%", 0));
ASSERT_EQUALS(-1, TokenTest::multiCompare(&x, "%op%|two", 0));
}
}
void multiCompare2() const { // #3294
// Original pattern that failed: [[,(=<>+-*|&^] %num% [+-*/] %num% ]|,|)|;|=|%op%
const SimpleTokenList toks("a == 1");
ASSERT_EQUALS(true, Token::Match(toks.front(), "a =|%op%"));
}
void multiCompare3() const {
// Original pattern that failed: "return|(|&&|%oror% %name% &&|%oror%|==|!=|<=|>=|<|>|-|%or% %name% )|&&|%oror%|;"
// Code snippet that failed: "return lv@86 |= rv@87 ;"
// Note: Also test "reverse" alternative pattern, two different code paths to handle it
const SimpleTokenList toks("return a |= b ;");
ASSERT_EQUALS(false, Token::Match(toks.front(), "return %name% xyz|%or% %name% ;"));
ASSERT_EQUALS(false, Token::Match(toks.front(), "return %name% %or%|xyz %name% ;"));
const SimpleTokenList toks2("return a | b ;");
ASSERT_EQUALS(true, Token::Match(toks2.front(), "return %name% xyz|%or% %name% ;"));
ASSERT_EQUALS(true, Token::Match(toks2.front(), "return %name% %or%|xyz %name% ;"));
const SimpleTokenList toks3("return a || b ;");
ASSERT_EQUALS(false, Token::Match(toks3.front(), "return %name% xyz|%or% %name% ;"));
ASSERT_EQUALS(false, Token::Match(toks3.front(), "return %name% %or%|xyz %name% ;"));
ASSERT_EQUALS(true, Token::Match(toks3.front(), "return %name% xyz|%oror% %name% ;"));
ASSERT_EQUALS(true, Token::Match(toks3.front(), "return %name% %oror%|xyz %name% ;"));
const SimpleTokenList toks4("a % b ;");
ASSERT_EQUALS(true, Token::Match(toks4.front(), "%name% >>|<<|&|%or%|^|% %name% ;"));
ASSERT_EQUALS(true, Token::Match(toks4.front(), "%name% %|>>|<<|&|%or%|^ %name% ;"));
ASSERT_EQUALS(true, Token::Match(toks4.front(), "%name% >>|<<|&|%or%|%|^ %name% ;"));
//%name%|%num% support
const SimpleTokenList num("100");
ASSERT_EQUALS(true, Token::Match(num.front(), "%num%|%name%"));
ASSERT_EQUALS(true, Token::Match(num.front(), "%name%|%num%"));
ASSERT_EQUALS(true, Token::Match(num.front(), "%name%|%num%|%bool%"));
ASSERT_EQUALS(true, Token::Match(num.front(), "%name%|%bool%|%num%"));
ASSERT_EQUALS(true, Token::Match(num.front(), "%name%|%bool%|%str%|%num%"));
ASSERT_EQUALS(false, Token::Match(num.front(), "%bool%|%name%"));
ASSERT_EQUALS(false, Token::Match(num.front(), "%type%|%bool%|%char%"));
ASSERT_EQUALS(true, Token::Match(num.front(), "%type%|%bool%|100"));
const SimpleTokenList numparen("( 100 )");
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| %num%|%name% )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| %name%|%num% )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| %name%|%num%|%bool% )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| %name%|%bool%|%num% )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| %name%|%bool%|%str%|%num% )|"));
ASSERT_EQUALS(false, Token::Match(numparen.front(), "(| %bool%|%name% )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| 100 %num%|%name%| )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| 100 %name%|%num%| )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| 100 %name%|%num%|%bool%| )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| 100 %name%|%bool%|%num%| )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| 100 %name%|%bool%|%str%|%num%| )|"));
ASSERT_EQUALS(true, Token::Match(numparen.front(), "(| 100 %bool%|%name%| )|"));
}
void multiCompare4() {
SimpleTokenizer var(*this);
ASSERT(var.tokenize("std :: queue < int > foo ;"));
ASSERT_EQUALS(Token::eBracket, var.tokens()->tokAt(3)->tokType());
ASSERT_EQUALS(Token::eBracket, var.tokens()->tokAt(5)->tokType());
ASSERT_EQUALS(false, Token::Match(var.tokens(), "std :: queue %op%"));
ASSERT_EQUALS(false, Token::Match(var.tokens(), "std :: queue x|%op%"));
ASSERT_EQUALS(false, Token::Match(var.tokens(), "std :: queue %op%|x"));
}
void multiCompare5() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("||");
ASSERT_EQUALS(true, TokenTest::multiCompare(&tok, "+|%or%|%oror%", 0) >= 0);
}
void charTypes() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("'a'");
ASSERT_EQUALS(true, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("u8'a'");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(true, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("u'a'");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(true, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("U'a'");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(true, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("L'a'");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(true, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
97A6
tok.str("'aaa'");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(true, tok.isCMultiChar());
tok.str("'\\''");
ASSERT_EQUALS(true, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("'\\r\\n'");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(true, tok.isCMultiChar());
tok.str("'\\x10'");
ASSERT_EQUALS(true, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
}
void stringTypes() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("\"a\"");
ASSERT_EQUALS(true, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("u8\"a\"");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(true, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("u\"a\"");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(true, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("U\"a\"");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(true, tok.isUtf32());
ASSERT_EQUALS(false, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
tok.str("L\"a\"");
ASSERT_EQUALS(false, tok.isCChar());
ASSERT_EQUALS(false, tok.isUtf8());
ASSERT_EQUALS(false, tok.isUtf16());
ASSERT_EQUALS(false, tok.isUtf32());
ASSERT_EQUALS(true, tok.isLong());
ASSERT_EQUALS(false, tok.isCMultiChar());
}
void getStrLength() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("\"\"");
ASSERT_EQUALS(0, Token::getStrLength(&tok));
tok.str("\"test\"");
ASSERT_EQUALS(4, Token::getStrLength(&tok));
tok.str("\"test \\\\test\"");
ASSERT_EQUALS(10, Token::getStrLength(&tok));
tok.str("\"a\\0\"");
ASSERT_EQUALS(1, Token::getStrLength(&tok));
tok.str("L\"\"");
ASSERT_EQUALS(0, Token::getStrLength(&tok));
tok.str("u8\"test\"");
ASSERT_EQUALS(4, Token::getStrLength(&tok));
tok.str("U\"test \\\\test\"");
ASSERT_EQUALS(10, Token::getStrLength(&tok));
tok.str("u\"a\\0\"");
ASSERT_EQUALS(1, Token::getStrLength(&tok));
}
void getStrSize() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("\"\"");
ASSERT_EQUALS(sizeof(""), Token::getStrSize(&tok, settingsDefault));
tok.str("\"abc\"");
ASSERT_EQUALS(sizeof("abc"), Token::getStrSize(&tok, settingsDefault));
tok.str("\"\\0abc\"");
ASSERT_EQUALS(sizeof("\0abc"), Token::getStrSize(&tok, settingsDefault));
tok.str("\"\\\\\"");
ASSERT_EQUALS(sizeof("\\"), Token::getStrSize(&tok, settingsDefault));
}
void strValue() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("\"\"");
ASSERT_EQUALS("", tok.strValue());
tok.str("\"0\"");
ASSERT_EQUALS("0", tok.strValue());
tok.str("\"a\\n\"");
ASSERT_EQUALS("a\n", tok.strValue());
tok.str("\"a\\r\"");
ASSERT_EQUALS("a\r", tok.strValue());
tok.str("\"a\\t\"");
ASSERT_EQUALS("a\t", tok.strValue());
tok.str("\"\\\\\"");
ASSERT_EQUALS("\\", tok.strValue());
tok.str("\"a\\0\"");
ASSERT_EQUALS("a", tok.strValue());
741A
tok.str("L\"a\\t\"");
ASSERT_EQUALS("a\t", tok.strValue());
tok.str("U\"a\\0\"");
ASSERT_EQUALS("a", tok.strValue());
}
void concatStr() const {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str("\"\"");
tok.concatStr("\"\"");
ASSERT_EQUALS("", tok.strValue());
ASSERT(tok.isCChar());
tok.str("\"ab\"");
tok.concatStr("\"cd\"");
ASSERT_EQUALS("abcd", tok.strValue());
ASSERT(tok.isCChar());
tok.str("L\"ab\"");
tok.concatStr("L\"cd\"");
ASSERT_EQUALS("abcd", tok.strValue());
ASSERT(tok.isLong());
tok.str("L\"ab\"");
tok.concatStr("\"cd\"");
ASSERT_EQUALS("abcd", tok.strValue());
ASSERT(tok.isLong());
tok.str("\"ab\"");
tok.concatStr("L\"cd\"");
ASSERT_EQUALS("abcd", tok.strValue());
ASSERT(tok.isLong());
tok.str("\"ab\"");
tok.concatStr("L\"\"");
ASSERT_EQUALS("ab", tok.strValue());
ASSERT(tok.isLong());
tok.str("\"ab\"");
tok.concatStr("u8\"cd\"");
ASSERT_EQUALS("abcd", tok.strValue());
ASSERT(tok.isUtf8());
}
void deleteLast() const {
auto listEnds = std::make_shared<TokensFrontBack>();
Token ** const tokensBack = &(listEnds->back);
Token tok(list, listEnds);
(void)tok.insertToken("aba");
ASSERT_EQUALS(true, *tokensBack == tok.next());
tok.deleteNext();
ASSERT_EQUALS(true, *tokensBack == &tok);
}
void deleteFirst() const {
auto listEnds = std::make_shared<TokensFrontBack>();
Token ** const tokensFront = &(listEnds->front);
Token tok(list, listEnds);
(void)tok.insertToken("aba");
ASSERT_EQUALS(true, *tokensFront == tok.previous());
tok.deletePrevious();
ASSERT_EQUALS(true, *tokensFront == &tok);
}
void nextArgument() {
SimpleTokenizer example1(*this);
ASSERT(example1.tokenize("foo(1, 2, 3, 4);"));
ASSERT_EQUALS(true, Token::simpleMatch(example1.tokens()->tokAt(2)->nextArgument(), "2 , 3"));
ASSERT_EQUALS(true, Token::simpleMatch(example1.tokens()->tokAt(4)->nextArgument(), "3 , 4"));
SimpleTokenizer example2(*this);
ASSERT(example2.tokenize("foo();"));
ASSERT_EQUALS(true, example2.tokens()->tokAt(2)->nextArgument() == nullptr);
SimpleTokenizer example3(*this);
ASSERT(example3.tokenize("foo(bar(a, b), 2, 3);"));
ASSERT_EQUALS(true, Token::simpleMatch(example3.tokens()->tokAt(2)->nextArgument(), "2 , 3"));
SimpleTokenizer example4(*this);
ASSERT(example4.tokenize("foo(x.i[1], \"\", 3);"));
ASSERT_EQUALS(true, Token::simpleMatch(example4.tokens()->tokAt(2)->nextArgument(), "\"\" , 3"));
}
void eraseTokens() const {
SimpleTokenList code("begin ; { this code will be removed } end", Standards::Language::C);
Token::eraseTokens(code.front()->next(), code.front()->tokAt(9));
ASSERT_EQUALS("begin ; end", code.front()->stringifyList(nullptr, false));
}
void matchAny() const {
const SimpleTokenList varBitOrVar("abc|def");
ASSERT_EQUALS(true, Token::Match(varBitOrVar.front(), "%name% %or% %name%"));
const SimpleTokenList varLogOrVar("abc||def");
ASSERT_EQUALS(true, Token::Match(varLogOrVar.front(), "%name% %oror% %name%"));
}
void matchSingleChar() const {
const SimpleTokenList singleChar("a");
ASSERT_EQUALS(true, Token::Match(singleChar.front(), "[a|bc]"));
ASSERT_EQUALS(false, Token::Match(singleChar.front(), "[d|ef]"));
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token multiChar(list, std::move(tokensFrontBack));
multiChar.str("[ab");
ASSERT_EQUALS(false, Token::Match(&multiChar, "[ab|def]"));
}
void matchNothingOrAnyNotElse() const {
const SimpleTokenList empty_String("");
ASSERT_EQUALS(true, Token::Match(empty_String.front(), "!!else"));
ASSERT_EQUALS(false, Token::Match(empty_String.front(), "!!else something"));
const SimpleTokenList ifSemicolon("if ;");
ASSERT_EQUALS(true, Token::Match(ifSemicolon.front(), "if ; !!else"));
const SimpleTokenList ifSemicolonSomething("if ; something");
ASSERT_EQUALS(true, Token::Match(ifSemicolonSomething.front(), "if ; !!else"));
const SimpleTokenList justElse("else");
ASSERT_EQUALS(false, Token::Match(justElse.front(), "!!else"));
const SimpleTokenList ifSemicolonElse("if ; else");
ASSERT_EQUALS(false, Token::Match(ifSemicolonElse.front(), "if ; !!else"));
}
void matchType() {
const SimpleTokenList type("abc");
ASSERT_EQUALS(true, Token::Match(type.front(), "%type%"));
SimpleTokenizer isVar(*this);
ASSERT(isVar.tokenize("int a = 3 ;"));
ASSERT_EQUALS(true, Token::Match(isVar.tokens(), "%type%"));
ASSERT_EQUALS(true, Token::Match(isVar.tokens(), "%type% %name%"));
ASSERT_EQUALS(false, Token::Match(isVar.tokens(), "%type% %type%"));
// TODO: %type% should not match keywords other than fundamental types
const SimpleTokenList noType1_cpp("delete");
ASSERT_EQUALS(true, Token::Match(noType1_cpp.front(), "%type%"));
const SimpleTokenList noType1_c("delete", Standards::Language::C);
ASSERT_EQUALS(true, Token::Match(noType1_c.front(), "%type%"));
const SimpleTokenList noType2("void delete");
ASSERT_EQUALS(true, Token::Match(noType2.front(), "!!foo %type%"));
}
void matchChar() const {
const SimpleTokenList chr1("'a'");
ASSERT_EQUALS(true, Token::Match(chr1.front(), "%char%"));
const SimpleTokenList chr2("'1'");
ASSERT_EQUALS(true, Token::Match(chr2.front(), "%char%"));
const SimpleTokenList noChr("\"10\"");
ASSERT_EQUALS(false, Token::Match(noChr.front(), "%char%"));
}
void matchCompOp() const {
const SimpleTokenList comp1("<=");
ASSERT_EQUALS(true, Token::Match(comp1.front(), "%comp%"));
const SimpleTokenList comp2(">");
ASSERT_EQUALS(true, Token::Match(comp2.front(), "%comp%"));
const SimpleTokenList noComp("=");
ASSERT_EQUALS(false, Token::Match(noComp.front(), "%comp%"));
}
void matchStr() const {
const SimpleTokenList noStr1("abc");
ASSERT_EQUALS(false, Token::Match(noStr1.front(), "%str%"));
const SimpleTokenList noStr2("'a'");
ASSERT_EQUALS(false, Token::Match(noStr2.front(), "%str%"));
const SimpleTokenList str("\"abc\"");
ASSERT_EQUALS(true, Token::Match(str.front(), "%str%"));
// Empty string
const SimpleTokenList emptyStr("\"\"");
ASSERT_EQUALS(true, Token::Match(emptyStr.front(), "%str%"));
}
void matchVarid() {
SimpleTokenizer var(*this);
ASSERT(var.tokenize("int a ; int b ;"));
// Varid == 0 should throw exception
ASSERT_THROW_INTERNAL_EQUALS((void)Token::Match(var.tokens(), "%type% %varid% ; %type% %name%", 0),INTERNAL,"Internal error. Token::Match called with varid 0.");
ASSERT_EQUALS(true, Token::Match(var.tokens(), "%type% %varid% ; %type% %name%", 1));
ASSERT_EQUALS(true, Token::Match(var.tokens(), "%type% %name% ; %type% %varid%", 2));
// Try to match two different varids in one match call
ASSERT_EQUALS(false, Token::Match(var.tokens(), "%type% %varid% ; %type% %varid%", 2));
// %var% matches with every varid other than 0
ASSERT_EQUALS(true, Token::Match(var.tokens(), "%type% %var% ;"));
ASSERT_EQUALS(false, Token::Match(var.tokens(), "%var% %var% ;"));
}
void matchNumeric() const {
const SimpleTokenList nonNumeric("abc");
ASSERT_EQUALS(false, Token::Match(nonNumeric.front(), "%num%"));
const SimpleTokenList msLiteral("5ms"); // #11438
ASSERT_EQUALS(false, Token::Match(msLiteral.front(), "%num%"));
const SimpleTokenList sLiteral("3s");
ASSERT_EQUALS(false, Token::Match(sLiteral.front(), "%num%"));
const SimpleTokenList octal("0123");
ASSERT_EQUALS(true, Token::Match(octal.front(), "%num%"));
const SimpleTokenList decimal("4567");
ASSERT_EQUALS(true, Token::Match(decimal.front(), "%num%"));
const SimpleTokenList hexadecimal("0xDEADBEEF");
ASSERT_EQUALS(true, Token::Match(hexadecimal.front(), "%num%"));
const SimpleTokenList floatingPoint("0.0f");
ASSERT_EQUALS(true, Token::Match(floatingPoint.front(), "%num%"));
const SimpleTokenList signedLong("0L");
ASSERT_EQUALS(true, Token::Match(signedLong.front(), "%num%"));
const SimpleTokenList negativeSignedLong("-0L");
ASSERT_EQUALS(true, Token::Match(negativeSignedLong.front(), "- %num%"));
const SimpleTokenList positiveSignedLong("+0L");
ASSERT_EQUALS(true, Token::Match(positiveSignedLong.front(), "+ %num%"));
const SimpleTokenList unsignedInt("0U");
ASSERT_EQUALS(true, Token::Match(unsignedInt.front(), "%num%"));
const SimpleTokenList unsignedLong("0UL");
ASSERT_EQUALS(true, Token::Match(unsignedLong.front(), "%num%"));
const SimpleTokenList unsignedLongLong("0ULL");
ASSERT_EQUALS(true, Token::Match(unsignedLongLong.front(), "%num%"));
const SimpleTokenList positive("+666");
ASSERT_EQUALS(true, Token::Match(positive.front(), "+ %num%"));
const SimpleTokenList negative("-42");
ASSERT_EQUALS(true, Token::Match(negative.front(), "- %num%"));
const SimpleTokenList negativeNull("-.0");
ASSERT_EQUALS(true, Token::Match(negativeNull.front(), "- %num%"));
const SimpleTokenList positiveNull("+.0");
ASSERT_EQUALS(true, Token::Match(positiveNull.front(), "+ %num%"));
}
void matchBoolean() const {
const SimpleTokenList yes("YES");
ASSERT_EQUALS(false, Token::Match(yes.front(), "%bool%"));
const SimpleTokenList positive("true");
ASSERT_EQUALS(true, Token::Match(positive.front(), "%bool%"));
const SimpleTokenList negative("false");
ASSERT_EQUALS(true, Token::Match(negative.front(), "%bool%"));
}
void matchOr() const {
const SimpleTokenList bitwiseOr(";|;");
ASSERT_EQUALS(true, Token::Match(bitwiseOr.front(), "; %or%"));
ASSERT_EQUALS(true, Token::Match(bitwiseOr.front(), "; %op%"));
ASSERT_EQUALS(false, Token::Match(bitwiseOr.front(), "; %oror%"));
const SimpleTokenList bitwiseOrAssignment(";|=;");
ASSERT_EQUALS(false, Token::Match(bitwiseOrAssignment.front(), "; %or%"));
ASSERT_EQUALS(true, Token::Match(bitwiseOrAssignment.front(), "; %op%"));
ASSERT_EQUALS(false, Token::Match(bitwiseOrAssignment.front(), "; %oror%"));
const SimpleTokenList logicalOr(";||;");
ASSERT_EQUALS(false, Token::Match(logicalOr.front(), "; %or%"));
ASSERT_EQUALS(true, Token::Match(logicalOr.front(), "; %op%"));
ASSERT_EQUALS(true, Token::Match(logicalOr.front(), "; %oror%"));
ASSERT_EQUALS(true, Token::Match(logicalOr.front(), "; &&|%oror%"));
ASSERT_EQUALS(true, Token::Match(logicalOr.front(), "; %oror%|&&"));
const SimpleTokenList logicalAnd(";&&;");
ASSERT_EQUALS(true, Token::simpleMatch(logicalAnd.front(), "; &&"));
ASSERT_EQUALS(true, Token::Match(logicalAnd.front(), "; &&|%oror%"));
ASSERT_EQUALS(true, Token::Match(logicalAnd.front(), "; %oror%|&&"));
}
static void append_vector(std::vector<std::string> &dest, const std::vector<std::string> &src) {
dest.insert(dest.end(), src.cbegin(), src.cend());
}
void matchOp() {
std::vector<std::string> test_ops;
append_vector(test_ops, arithmeticalOps);
append_vector(test_ops, bitOps);
append_vector(test_ops, comparisonOps);
append_vector(test_ops, logicalOps);
append_vector(test_ops, assignmentOps);
ASSERT_EQUALS(true, std::all_of(test_ops.cbegin(), test_ops.cend(), [&](const std::string& s) {
return MatchCheck(s, "%op%");
}));
// Negative test against other operators
std::vector<std::string> other_ops;
append_vector(other_ops, extendedOps);
for (auto other_op = other_ops.cbegin(); other_op != other_ops.cend(); ++other_op) {
ASSERT_EQUALS_MSG(false, MatchCheck(*other_op, "%op%"), "Failing other operator: " + *other_op);
}
}
void matchConstOp() {
std::vector<std::string> test_ops;
append_vector(test_ops, arithmeticalOps);
append_vector(test_ops, bitOps);
append_vector(test_ops, comparisonOps);
append_vector(test_ops, logicalOps);
ASSERT_EQUALS(true, std::all_of(test_ops.cbegin(), test_ops.cend(), [&](const std::string& s) {
return MatchCheck(s, "%cop%");
}));
// Negative test against other operators
std::vector<std::string> other_ops;
append_vector(other_ops, extendedOps);
append_vector(other_ops, assignmentOps);
for (auto other_op = other_ops.cbegin(); other_op != other_ops.cend(); ++other_op) {
ASSERT_EQUALS_MSG(false, MatchCheck(*other_op, "%cop%"), "Failing other operator: " + *other_op);
}
}
void isArithmeticalOp() const {
for (auto test_op = arithmeticalOps.cbegin(); test_op != arithmeticalOps.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(true, tok.isArithmeticalOp());
}
// Negative test against other operators
std::vector<std::string> other_ops;
append_vector(other_ops, bitOps);
append_vector(other_ops, comparisonOps);
append_vector(other_ops, logicalOps);
append_vector(other_ops, extendedOps);
append_vector(other_ops, assignmentOps);
for (auto other_op = other_ops.cbegin(); other_op != other_ops.cend(); ++other_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*other_op);
ASSERT_EQUALS_MSG(false, tok.isArithmeticalOp(), "Failing arithmetical operator: " + *other_op);
}
}
void isOp() const {
std::vector<std::string> test_ops;
append_vector(test_ops, arithmeticalOps);
append_vector(test_ops, bitOps);
append_vector(test_ops, comparisonOps);
append_vector(test_ops, logicalOps);
append_vector(test_ops, assignmentOps);
for (auto test_op = test_ops.cbegin(); test_op != test_ops.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(true, tok.isOp());
}
// Negative test against other operators
std::vector<std::string> other_ops;
append_vector(other_ops, extendedOps);
for (auto other_op = other_ops.cbegin(); other_op != other_ops.cend(); ++other_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*other_op);
ASSERT_EQUALS_MSG(false, tok.isOp(), "Failing normal operator: " + *other_op);
}
}
void isConstOp() const {
std::vector<std::string> test_ops;
append_vector(test_ops, arithmeticalOps);
append_vector(test_ops, bitOps);
append_vector(test_ops, comparisonOps);
append_vector(test_ops, logicalOps);
for (auto test_op = test_ops.cbegin(); test_op != test_ops.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(true, tok.isConstOp());
}
// Negative test against other operators
std::vector<std::string> other_ops;
append_vector(other_ops, extendedOps);
append_vector(other_ops, assignmentOps);
for (auto other_op = other_ops.cbegin(); other_op != other_ops.cend(); ++other_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*other_op);
ASSERT_EQUALS_MSG(false, tok.isConstOp(), "Failing normal operator: " + *other_op);
}
}
void isExtendedOp() const {
std::vector<std::string> test_ops;
append_vector(test_ops, arithmeticalOps);
append_vector(test_ops, bitOps);
append_vector(test_ops, comparisonOps);
append_vector(test_ops, logicalOps);
append_vector(test_ops, extendedOps);
for (auto test_op = test_ops.cbegin(); test_op != test_ops.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(true, tok.isExtendedOp());
}
// Negative test against assignment operators
for (auto other_op = assignmentOps.cbegin(); other_op != assignmentOps.cend(); ++other_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*other_op);
ASSERT_EQUALS_MSG(false, tok.isExtendedOp(), "Failing assignment operator: " + *other_op);
}
}
void isAssignmentOp() const {
for (auto test_op = assignmentOps.cbegin(); test_op != assignmentOps.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(true, tok.isAssignmentOp());
}
// Negative test against other operators
std::vector<std::string> other_ops;
append_vector(other_ops, arithmeticalOps);
append_vector(other_ops, bitOps);
append_vector(other_ops, comparisonOps);
append_vector(other_ops, logicalOps);
append_vector(other_ops, extendedOps);
for (auto other_op = other_ops.cbegin(); other_op != other_ops.cend(); ++other_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*other_op);
ASSERT_EQUALS_MSG(false, tok.isAssignmentOp(), "Failing assignment operator: " + *other_op);
}
}
void operators() const {
for (auto test_op = extendedOps.cbegin(); test_op != extendedOps.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(Token::eExtendedOp, tok.tokType());
}
for (auto test_op = logicalOps.cbegin(); test_op != logicalOps.cend(); ++test_op) {
auto tokensFrontBack = std::make_shared<TokensFrontBack>();
Token tok(list, std::move(tokensFrontBack));
tok.str(*test_op);
ASSERT_EQUALS(Token::eLogicalOp, tok.tokType());
}