forked from nodejs/node
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathjs_native_api.h
More file actions
561 lines (505 loc) · 28.1 KB
/
js_native_api.h
File metadata and controls
561 lines (505 loc) · 28.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
#ifndef SRC_JS_NATIVE_API_H_
#define SRC_JS_NATIVE_API_H_
// This file needs to be compatible with C compilers.
#include <stddef.h> // NOLINT(modernize-deprecated-headers)
#include <stdbool.h> // NOLINT(modernize-deprecated-headers)
// Use INT_MAX, this should only be consumed by the pre-processor anyway.
#define NAPI_VERSION_EXPERIMENTAL 2147483647
#ifndef NAPI_VERSION
#ifdef NAPI_EXPERIMENTAL
#define NAPI_VERSION NAPI_VERSION_EXPERIMENTAL
#else
// The baseline version for N-API.
// The NAPI_VERSION controls which version will be used by default when
// compilling a native addon. If the addon developer specifically wants to use
// functions available in a new version of N-API that is not yet ported in all
// LTS versions, they can set NAPI_VERSION knowing that they have specifically
// depended on that version.
#define NAPI_VERSION 7
#endif
#endif
#include "js_native_api_types.h"
// If you need __declspec(dllimport), either include <node_api.h> instead, or
// define NAPI_EXTERN as __declspec(dllimport) on the compiler's command line.
#ifndef NAPI_EXTERN
#ifdef _WIN32
#define NAPI_EXTERN __declspec(dllexport)
#elif defined(__wasm32__)
#define NAPI_EXTERN __attribute__((visibility("default"))) \
__attribute__((__import_module__("napi")))
#else
#define NAPI_EXTERN __attribute__((visibility("default")))
#endif
#endif
#define NAPI_AUTO_LENGTH SIZE_MAX
#ifdef __cplusplus
#define EXTERN_C_START extern "C" {
#define EXTERN_C_END }
#else
#define EXTERN_C_START
#define EXTERN_C_END
#endif
EXTERN_C_START
NAPI_EXTERN napi_status
napi_get_last_error_info(napi_env env,
const napi_extended_error_info** result);
// Getters for defined singletons
NAPI_EXTERN napi_status napi_get_undefined(napi_env env, napi_value* result);
NAPI_EXTERN napi_status napi_get_null(napi_env env, napi_value* result);
NAPI_EXTERN napi_status napi_get_global(napi_env env, napi_value* result);
NAPI_EXTERN napi_status napi_get_boolean(napi_env env,
bool value,
napi_value* result);
// Methods to create Primitive types/Objects
NAPI_EXTERN napi_status napi_create_object(napi_env env, napi_value* result);
NAPI_EXTERN napi_status napi_create_array(napi_env env, napi_value* result);
NAPI_EXTERN napi_status napi_create_array_with_length(napi_env env,
size_t length,
napi_value* result);
NAPI_EXTERN napi_status napi_create_double(napi_env env,
double value,
napi_value* result);
NAPI_EXTERN napi_status napi_create_int32(napi_env env,
int32_t value,
napi_value* result);
NAPI_EXTERN napi_status napi_create_uint32(napi_env env,
uint32_t value,
napi_value* result);
NAPI_EXTERN napi_status napi_create_int64(napi_env env,
int64_t value,
napi_value* result);
NAPI_EXTERN napi_status napi_create_string_latin1(napi_env env,
const char* str,
size_t length,
napi_value* result);
NAPI_EXTERN napi_status napi_create_string_utf8(napi_env env,
const char* str,
size_t length,
napi_value* result);
NAPI_EXTERN napi_status napi_create_string_utf16(napi_env env,
const char16_t* str,
size_t length,
napi_value* result);
NAPI_EXTERN napi_status napi_create_symbol(napi_env env,
napi_value description,
napi_value* result);
NAPI_EXTERN napi_status napi_create_function(napi_env env,
const char* utf8name,
size_t length,
napi_callback cb,
void* data,
napi_value* result);
NAPI_EXTERN napi_status napi_create_error(napi_env env,
napi_value code,
napi_value msg,
napi_value* result);
NAPI_EXTERN napi_status napi_create_type_error(napi_env env,
napi_value code,
napi_value msg,
napi_value* result);
NAPI_EXTERN napi_status napi_create_range_error(napi_env env,
napi_value code,
napi_value msg,
napi_value* result);
// Methods to get the native napi_value from Primitive type
NAPI_EXTERN napi_status napi_typeof(napi_env env,
napi_value value,
napi_valuetype* result);
NAPI_EXTERN napi_status napi_get_value_double(napi_env env,
napi_value value,
double* result);
NAPI_EXTERN napi_status napi_get_value_int32(napi_env env,
napi_value value,
int32_t* result);
NAPI_EXTERN napi_status napi_get_value_uint32(napi_env env,
napi_value value,
uint32_t* result);
NAPI_EXTERN napi_status napi_get_value_int64(napi_env env,
napi_value value,
int64_t* result);
NAPI_EXTERN napi_status napi_get_value_bool(napi_env env,
napi_value value,
bool* result);
// Copies LATIN-1 encoded bytes from a string into a buffer.
NAPI_EXTERN napi_status napi_get_value_string_latin1(napi_env env,
napi_value value,
char* buf,
size_t bufsize,
size_t* result);
// Copies UTF-8 encoded bytes from a string into a buffer.
NAPI_EXTERN napi_status napi_get_value_string_utf8(napi_env env,
napi_value value,
char* buf,
size_t bufsize,
size_t* result);
// Copies UTF-16 encoded bytes from a string into a buffer.
NAPI_EXTERN napi_status napi_get_value_string_utf16(napi_env env,
napi_value value,
char16_t* buf,
size_t bufsize,
size_t* result);
// Methods to coerce values
// These APIs may execute user scripts
NAPI_EXTERN napi_status napi_coerce_to_bool(napi_env env,
napi_value value,
napi_value* result);
NAPI_EXTERN napi_status napi_coerce_to_number(napi_env env,
napi_value value,
napi_value* result);
NAPI_EXTERN napi_status napi_coerce_to_object(napi_env env,
napi_value value,
napi_value* result);
NAPI_EXTERN napi_status napi_coerce_to_string(napi_env env,
napi_value value,
napi_value* result);
// Methods to work with Objects
NAPI_EXTERN napi_status napi_get_prototype(napi_env env,
napi_value object,
napi_value* result);
NAPI_EXTERN napi_status napi_get_property_names(napi_env env,
napi_value object,
napi_value* result);
NAPI_EXTERN napi_status napi_set_property(napi_env env,
napi_value object,
napi_value key,
napi_value value);
NAPI_EXTERN napi_status napi_has_property(napi_env env,
napi_value object,
napi_value key,
bool* result);
NAPI_EXTERN napi_status napi_get_property(napi_env env,
napi_value object,
napi_value key,
napi_value* result);
NAPI_EXTERN napi_status napi_delete_property(napi_env env,
napi_value object,
napi_value key,
bool* result);
NAPI_EXTERN napi_status napi_has_own_property(napi_env env,
napi_value object,
napi_value key,
bool* result);
NAPI_EXTERN napi_status napi_set_named_property(napi_env env,
napi_value object,
const char* utf8name,
napi_value value);
NAPI_EXTERN napi_status napi_has_named_property(napi_env env,
napi_value object,
const char* utf8name,
bool* result);
NAPI_EXTERN napi_status napi_get_named_property(napi_env env,
napi_value object,
const char* utf8name,
napi_value* result);
NAPI_EXTERN napi_status napi_set_element(napi_env env,
napi_value object,
uint32_t index,
napi_value value);
NAPI_EXTERN napi_status napi_has_element(napi_env env,
napi_value object,
uint32_t index,
bool* result);
NAPI_EXTERN napi_status napi_get_element(napi_env env,
napi_value object,
uint32_t index,
napi_value* result);
NAPI_EXTERN napi_status napi_delete_element(napi_env env,
napi_value object,
uint32_t index,
bool* result);
NAPI_EXTERN napi_status
napi_define_properties(napi_env env,
napi_value object,
size_t property_count,
const napi_property_descriptor* properties);
// Methods to work with Arrays
NAPI_EXTERN napi_status napi_is_array(napi_env env,
napi_value value,
bool* result);
NAPI_EXTERN napi_status napi_get_array_length(napi_env env,
napi_value value,
uint32_t* result);
// Methods to compare values
NAPI_EXTERN napi_status napi_strict_equals(napi_env env,
napi_value lhs,
napi_value rhs,
bool* result);
// Methods to work with Functions
NAPI_EXTERN napi_status napi_call_function(napi_env env,
napi_value recv,
napi_value func,
size_t argc,
const napi_value* argv,
napi_value* result);
NAPI_EXTERN napi_status napi_new_instance(napi_env env,
napi_value constructor,
size_t argc,
const napi_value* argv,
napi_value* result);
NAPI_EXTERN napi_status napi_instanceof(napi_env env,
napi_value object,
napi_value constructor,
bool* result);
// Methods to work with napi_callbacks
// Gets all callback info in a single call. (Ugly, but faster.)
NAPI_EXTERN napi_status napi_get_cb_info(
napi_env env, // [in] NAPI environment handle
napi_callback_info cbinfo, // [in] Opaque callback-info handle
size_t*
CE3F
argc, // [in-out] Specifies the size of the provided argv array
// and receives the actual count of args.
napi_value* argv, // [out] Array of values
napi_value* this_arg, // [out] Receives the JS 'this' arg for the call
void** data); // [out] Receives the data pointer for the callback.
NAPI_EXTERN napi_status napi_get_new_target(napi_env env,
napi_callback_info cbinfo,
napi_value* result);
NAPI_EXTERN napi_status
napi_define_class(napi_env env,
const char* utf8name,
size_t length,
napi_callback constructor,
void* data,
size_t property_count,
const napi_property_descriptor* properties,
napi_value* result);
// Methods to work with external data objects
NAPI_EXTERN napi_status napi_wrap(napi_env env,
napi_value js_object,
void* native_object,
napi_finalize finalize_cb,
void* finalize_hint,
napi_ref* result);
NAPI_EXTERN napi_status napi_unwrap(napi_env env,
napi_value js_object,
void** result);
NAPI_EXTERN napi_status napi_remove_wrap(napi_env env,
napi_value js_object,
void** result);
NAPI_EXTERN napi_status napi_create_external(napi_env env,
void* data,
napi_finalize finalize_cb,
void* finalize_hint,
napi_value* result);
NAPI_EXTERN napi_status napi_get_value_external(napi_env env,
napi_value value,
void** result);
// Methods to control object lifespan
// Set initial_refcount to 0 for a weak reference, >0 for a strong reference.
NAPI_EXTERN napi_status napi_create_reference(napi_env env,
napi_value value,
uint32_t initial_refcount,
napi_ref* result);
// Deletes a reference. The referenced value is released, and may
// be GC'd unless there are other references to it.
NAPI_EXTERN napi_status napi_delete_reference(napi_env env, napi_ref ref);
// Increments the reference count, optionally returning the resulting count.
// After this call the reference will be a strong reference because its
// refcount is >0, and the referenced object is effectively "pinned".
// Calling this when the refcount is 0 and the object is unavailable
// results in an error.
NAPI_EXTERN napi_status napi_reference_ref(napi_env env,
napi_ref ref,
uint32_t* result);
// Decrements the reference count, optionally returning the resulting count.
// If the result is 0 the reference is now weak and the object may be GC'd
// at any time if there are no other references. Calling this when the
// refcount is already 0 results in an error.
NAPI_EXTERN napi_status napi_reference_unref(napi_env env,
napi_ref ref,
uint32_t* result);
// Attempts to get a referenced value. If the reference is weak,
// the value might no longer be available, in that case the call
// is still successful but the result is NULL.
NAPI_EXTERN napi_status napi_get_reference_value(napi_env env,
napi_ref ref,
napi_value* result);
NAPI_EXTERN napi_status napi_open_handle_scope(napi_env env,
napi_handle_scope* result);
NAPI_EXTERN napi_status napi_close_handle_scope(napi_env env,
napi_handle_scope scope);
NAPI_EXTERN napi_status
napi_open_escapable_handle_scope(napi_env env,
napi_escapable_handle_scope* result);
NAPI_EXTERN napi_status
napi_close_escapable_handle_scope(napi_env env,
napi_escapable_handle_scope scope);
NAPI_EXTERN napi_status napi_escape_handle(napi_env env,
napi_escapable_handle_scope scope,
napi_value escapee,
napi_value* result);
// Methods to support error handling
NAPI_EXTERN napi_status napi_throw(napi_env env, napi_value error);
NAPI_EXTERN napi_status napi_throw_error(napi_env env,
const char* code,
const char* msg);
NAPI_EXTERN napi_status napi_throw_type_error(napi_env env,
const char* code,
const char* msg);
NAPI_EXTERN napi_status napi_throw_range_error(napi_env env,
const char* code,
const char* msg);
NAPI_EXTERN napi_status napi_is_error(napi_env env,
napi_value value,
bool* result);
// Methods to support catching exceptions
NAPI_EXTERN napi_status napi_is_exception_pending(napi_env env, bool* result);
NAPI_EXTERN napi_status napi_get_and_clear_last_exception(napi_env env,
napi_value* result);
// Methods to work with array buffers and typed arrays
NAPI_EXTERN napi_status napi_is_arraybuffer(napi_env env,
napi_value value,
bool* result);
NAPI_EXTERN napi_status napi_create_arraybuffer(napi_env env,
size_t byte_length,
void** data,
napi_value* result);
NAPI_EXTERN napi_status
napi_create_external_arraybuffer(napi_env env,
void* external_data,
size_t byte_length,
napi_finalize finalize_cb,
void* finalize_hint,
napi_value* result);
NAPI_EXTERN napi_status napi_get_arraybuffer_info(napi_env env,
napi_value arraybuffer,
void** data,
size_t* byte_length);
NAPI_EXTERN napi_status napi_is_typedarray(napi_env env,
napi_value value,
bool* result);
NAPI_EXTERN napi_status napi_create_typedarray(napi_env env,
napi_typedarray_type type,
size_t length,
napi_value arraybuffer,
size_t byte_offset,
napi_value* result);
NAPI_EXTERN napi_status napi_get_typedarray_info(napi_env env,
napi_value typedarray,
napi_typedarray_type* type,
size_t* length,
void** data,
napi_value* arraybuffer,
size_t* byte_offset);
NAPI_EXTERN napi_status napi_create_dataview(napi_env env,
size_t length,
napi_value arraybuffer,
size_t byte_offset,
napi_value* result);
NAPI_EXTERN napi_status napi_is_dataview(napi_env env,
napi_value value,
bool* result);
NAPI_EXTERN napi_status napi_get_dataview_info(napi_env env,
napi_value dataview,
size_t* bytelength,
void** data,
napi_value* arraybuffer,
size_t* byte_offset);
// version management
NAPI_EXTERN napi_status napi_get_version(napi_env env, uint32_t* result);
// Promises
NAPI_EXTERN napi_status napi_create_promise(napi_env env,
napi_deferred* deferred,
napi_value* promise);
NAPI_EXTERN napi_status napi_resolve_deferred(napi_env env,
napi_deferred deferred,
napi_value resolution);
NAPI_EXTERN napi_status napi_reject_deferred(napi_env env,
napi_deferred deferred,
napi_value rejection);
NAPI_EXTERN napi_status napi_is_promise(napi_env env,
napi_value value,
bool* is_promise);
// Running a script
NAPI_EXTERN napi_status napi_run_script(napi_env env,
napi_value script,
napi_value* result);
// Memory management
NAPI_EXTERN napi_status napi_adjust_external_memory(napi_env env,
int64_t change_in_bytes,
int64_t* adjusted_value);
#if NAPI_VERSION >= 5
// Dates
NAPI_EXTERN napi_status napi_create_date(napi_env env,
double time,
napi_value* result);
NAPI_EXTERN napi_status napi_is_date(napi_env env,
napi_value value,
bool* is_date);
NAPI_EXTERN napi_status napi_get_date_value(napi_env env,
napi_value value,
double* result);
// Add finalizer for pointer
NAPI_EXTERN napi_status napi_add_finalizer(napi_env env,
napi_value js_object,
void* native_object,
napi_finalize finalize_cb,
void* finalize_hint,
napi_ref* result);
#endif // NAPI_VERSION >= 5
#if NAPI_VERSION >= 6
// BigInt
NAPI_EXTERN napi_status napi_create_bigint_int64(napi_env env,
int64_t value,
napi_value* result);
NAPI_EXTERN napi_status napi_create_bigint_uint64(napi_env env,
uint64_t value,
napi_value* result);
NAPI_EXTERN napi_status napi_create_bigint_words(napi_env env,
int sign_bit,
size_t word_count,
const uint64_t* words,
napi_value* result);
NAPI_EXTERN napi_status napi_get_value_bigint_int64(napi_env env,
napi_value value,
int64_t* result,
bool* lossless);
NAPI_EXTERN napi_status napi_get_value_bigint_uint64(napi_env env,
napi_value value,
uint64_t* result,
bool* lossless);
NAPI_EXTERN napi_status napi_get_value_bigint_words(napi_env env,
napi_value value,
int* sign_bit,
size_t* word_count,
uint64_t* words);
// Object
NAPI_EXTERN napi_status
napi_get_all_property_names(napi_env env,
napi_value object,
napi_key_collection_mode key_mode,
napi_key_filter key_filter,
napi_key_conversion key_conversion,
napi_value* result);
// Instance data
NAPI_EXTERN napi_status napi_set_instance_data(napi_env env,
void* data,
napi_finalize finalize_cb,
void* finalize_hint);
NAPI_EXTERN napi_status napi_get_instance_data(napi_env env,
void** data);
#endif // NAPI_VERSION >= 6
#if NAPI_VERSION >= 7
// ArrayBuffer detaching
NAPI_EXTERN napi_status napi_detach_arraybuffer(napi_env env,
napi_value arraybuffer);
NAPI_EXTERN napi_status napi_is_detached_arraybuffer(napi_env env,
napi_value value,
bool* result);
#endif // NAPI_VERSION >= 7
#ifdef NAPI_EXPERIMENTAL
// Type tagging
NAPI_EXTERN napi_status napi_type_tag_object(napi_env env,
napi_value value,
const napi_type_tag* type_tag);
NAPI_EXTERN napi_status
napi_check_object_type_tag(napi_env env,
napi_value value,
const napi_type_tag* type_tag,
bool* result);
NAPI_EXTERN napi_status napi_object_freeze(napi_env env,
napi_value object);
NAPI_EXTERN napi_status napi_object_seal(napi_env env,
napi_value object);
#endif // NAPI_EXPERIMENTAL
EXTERN_C_END
#endif // SRC_JS_NATIVE_API_H_