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Issue 2811183005: Do not use new struct type where unnecessary. (Closed)
Patch Set: rebase Created 3 years, 8 months ago
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1 // Copyright 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_OBJECTS_H_ 5 #ifndef V8_OBJECTS_H_
6 #define V8_OBJECTS_H_ 6 #define V8_OBJECTS_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 #include <memory> 9 #include <memory>
10 10
(...skipping 276 matching lines...) Expand 10 before | Expand all | Expand 10 after
287 // string) or a INTERNALIZED_STRING_TYPE (if it is a internalized string). 287 // string) or a INTERNALIZED_STRING_TYPE (if it is a internalized string).
288 // 288 //
289 // NOTE: The following things are some that depend on the string types having 289 // NOTE: The following things are some that depend on the string types having
290 // instance_types that are less than those of all other types: 290 // instance_types that are less than those of all other types:
291 // HeapObject::Size, HeapObject::IterateBody, the typeof operator, and 291 // HeapObject::Size, HeapObject::IterateBody, the typeof operator, and
292 // Object::IsString. 292 // Object::IsString.
293 // 293 //
294 // NOTE: Everything following JS_VALUE_TYPE is considered a 294 // NOTE: Everything following JS_VALUE_TYPE is considered a
295 // JSObject for GC purposes. The first four entries here have typeof 295 // JSObject for GC purposes. The first four entries here have typeof
296 // 'object', whereas JS_FUNCTION_TYPE has typeof 'function'. 296 // 'object', whereas JS_FUNCTION_TYPE has typeof 'function'.
297 #define INSTANCE_TYPE_LIST(V) \ 297 #define INSTANCE_TYPE_LIST(V) \
298 V(INTERNALIZED_STRING_TYPE) \ 298 V(INTERNALIZED_STRING_TYPE) \
299 V(EXTERNAL_INTERNALIZED_STRING_TYPE) \ 299 V(EXTERNAL_INTERNALIZED_STRING_TYPE) \
300 V(ONE_BYTE_INTERNALIZED_STRING_TYPE) \ 300 V(ONE_BYTE_INTERNALIZED_STRING_TYPE) \
301 V(EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE) \ 301 V(EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE) \
302 V(EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE) \ 302 V(EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE) \
303 V(SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE) \ 303 V(SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE) \
304 V(SHORT_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE) \ 304 V(SHORT_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE) \
305 V(SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE) \ 305 V(SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE) \
306 V(STRING_TYPE) \ 306 V(STRING_TYPE) \
307 V(CONS_STRING_TYPE) \ 307 V(CONS_STRING_TYPE) \
308 V(EXTERNAL_STRING_TYPE) \ 308 V(EXTERNAL_STRING_TYPE) \
309 V(SLICED_STRING_TYPE) \ 309 V(SLICED_STRING_TYPE) \
310 V(THIN_STRING_TYPE) \ 310 V(THIN_STRING_TYPE) \
311 V(ONE_BYTE_STRING_TYPE) \ 311 V(ONE_BYTE_STRING_TYPE) \
312 V(CONS_ONE_BYTE_STRING_TYPE) \ 312 V(CONS_ONE_BYTE_STRING_TYPE) \
313 V(EXTERNAL_ONE_BYTE_STRING_TYPE) \ 313 V(EXTERNAL_ONE_BYTE_STRING_TYPE) \
314 V(SLICED_ONE_BYTE_STRING_TYPE) \ 314 V(SLICED_ONE_BYTE_STRING_TYPE) \
315 V(THIN_ONE_BYTE_STRING_TYPE) \ 315 V(THIN_ONE_BYTE_STRING_TYPE) \
316 V(EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE) \ 316 V(EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE) \
317 V(SHORT_EXTERNAL_STRING_TYPE) \ 317 V(SHORT_EXTERNAL_STRING_TYPE) \
318 V(SHORT_EXTERNAL_ONE_BYTE_STRING_TYPE) \ 318 V(SHORT_EXTERNAL_ONE_BYTE_STRING_TYPE) \
319 V(SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE) \ 319 V(SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE) \
320 \ 320 \
321 V(SYMBOL_TYPE) \ 321 V(SYMBOL_TYPE) \
322 V(HEAP_NUMBER_TYPE) \ 322 V(HEAP_NUMBER_TYPE) \
323 V(ODDBALL_TYPE) \ 323 V(ODDBALL_TYPE) \
324 \ 324 \
325 V(MAP_TYPE) \ 325 V(MAP_TYPE) \
326 V(CODE_TYPE) \ 326 V(CODE_TYPE) \
327 V(MUTABLE_HEAP_NUMBER_TYPE) \ 327 V(MUTABLE_HEAP_NUMBER_TYPE) \
328 V(FOREIGN_TYPE) \ 328 V(FOREIGN_TYPE) \
329 V(BYTE_ARRAY_TYPE) \ 329 V(BYTE_ARRAY_TYPE) \
330 V(BYTECODE_ARRAY_TYPE) \ 330 V(BYTECODE_ARRAY_TYPE) \
331 V(FREE_SPACE_TYPE) \ 331 V(FREE_SPACE_TYPE) \
332 \ 332 \
333 V(FIXED_INT8_ARRAY_TYPE) \ 333 V(FIXED_INT8_ARRAY_TYPE) \
334 V(FIXED_UINT8_ARRAY_TYPE) \ 334 V(FIXED_UINT8_ARRAY_TYPE) \
335 V(FIXED_INT16_ARRAY_TYPE) \ 335 V(FIXED_INT16_ARRAY_TYPE) \
336 V(FIXED_UINT16_ARRAY_TYPE) \ 336 V(FIXED_UINT16_ARRAY_TYPE) \
337 V(FIXED_INT32_ARRAY_TYPE) \ 337 V(FIXED_INT32_ARRAY_TYPE) \
338 V(FIXED_UINT32_ARRAY_TYPE) \ 338 V(FIXED_UINT32_ARRAY_TYPE) \
339 V(FIXED_FLOAT32_ARRAY_TYPE) \ 339 V(FIXED_FLOAT32_ARRAY_TYPE) \
340 V(FIXED_FLOAT64_ARRAY_TYPE) \ 340 V(FIXED_FLOAT64_ARRAY_TYPE) \
341 V(FIXED_UINT8_CLAMPED_ARRAY_TYPE) \ 341 V(FIXED_UINT8_CLAMPED_ARRAY_TYPE) \
342 \ 342 \
343 V(FIXED_DOUBLE_ARRAY_TYPE) \ 343 V(FIXED_DOUBLE_ARRAY_TYPE) \
344 V(FILLER_TYPE) \ 344 V(FILLER_TYPE) \
345 \ 345 \
346 V(ACCESSOR_INFO_TYPE) \ 346 V(ACCESSOR_INFO_TYPE) \
347 V(ACCESSOR_PAIR_TYPE) \ 347 V(ACCESSOR_PAIR_TYPE) \
348 V(ACCESS_CHECK_INFO_TYPE) \ 348 V(ACCESS_CHECK_INFO_TYPE) \
349 V(INTERCEPTOR_INFO_TYPE) \ 349 V(INTERCEPTOR_INFO_TYPE) \
350 V(CALL_HANDLER_INFO_TYPE) \ 350 V(FUNCTION_TEMPLATE_INFO_TYPE) \
351 V(FUNCTION_TEMPLATE_INFO_TYPE) \ 351 V(OBJECT_TEMPLATE_INFO_TYPE) \
352 V(OBJECT_TEMPLATE_INFO_TYPE) \ 352 V(ALLOCATION_SITE_TYPE) \
353 V(ALLOCATION_SITE_TYPE) \ 353 V(ALLOCATION_MEMENTO_TYPE) \
354 V(ALLOCATION_MEMENTO_TYPE) \ 354 V(SCRIPT_TYPE) \
355 V(SCRIPT_TYPE) \ 355 V(ALIASED_ARGUMENTS_ENTRY_TYPE) \
356 V(TYPE_FEEDBACK_INFO_TYPE) \ 356 V(PROMISE_RESOLVE_THENABLE_JOB_INFO_TYPE) \
357 V(ALIASED_ARGUMENTS_ENTRY_TYPE) \ 357 V(PROMISE_REACTION_JOB_INFO_TYPE) \
358 V(PROMISE_RESOLVE_THENABLE_JOB_INFO_TYPE) \ 358 V(DEBUG_INFO_TYPE) \
359 V(PROMISE_REACTION_JOB_INFO_TYPE) \ 359 V(STACK_FRAME_INFO_TYPE) \
360 V(DEBUG_INFO_TYPE) \ 360 V(PROTOTYPE_INFO_TYPE) \
361 V(BREAK_POINT_INFO_TYPE) \ 361 V(TUPLE2_TYPE) \
362 V(STACK_FRAME_INFO_TYPE) \ 362 V(TUPLE3_TYPE) \
363 V(PROTOTYPE_INFO_TYPE) \ 363 V(CONTEXT_EXTENSION_TYPE) \
364 V(TUPLE2_TYPE) \ 364 V(MODULE_TYPE) \
365 V(TUPLE3_TYPE) \ 365 V(MODULE_INFO_ENTRY_TYPE) \
366 V(CONTEXT_EXTENSION_TYPE) \ 366 V(ASYNC_GENERATOR_REQUEST_TYPE) \
367 V(CONSTANT_ELEMENTS_PAIR_TYPE) \ 367 V(FIXED_ARRAY_TYPE) \
368 V(MODULE_TYPE) \ 368 V(TRANSITION_ARRAY_TYPE) \
369 V(MODULE_INFO_ENTRY_TYPE) \ 369 V(SHARED_FUNCTION_INFO_TYPE) \
370 V(ASYNC_GENERATOR_REQUEST_TYPE) \ 370 V(CELL_TYPE) \
371 V(FIXED_ARRAY_TYPE) \ 371 V(WEAK_CELL_TYPE) \
372 V(TRANSITION_ARRAY_TYPE) \ 372 V(PROPERTY_CELL_TYPE) \
373 V(SHARED_FUNCTION_INFO_TYPE) \ 373 /* TODO(yangguo): these padding types are for ABI stability. Remove after*/ \
374 V(CELL_TYPE) \ 374 /* version 6.0 branch, or replace them when there is demand for new types.*/ \
375 V(WEAK_CELL_TYPE) \ 375 V(PADDING_TYPE_1) \
376 V(PROPERTY_CELL_TYPE) \ 376 V(PADDING_TYPE_2) \
377 \ 377 V(PADDING_TYPE_3) \
378 V(JS_PROXY_TYPE) \ 378 V(PADDING_TYPE_4) \
379 V(JS_GLOBAL_OBJECT_TYPE) \ 379 \
380 V(JS_GLOBAL_PROXY_TYPE) \ 380 V(JS_PROXY_TYPE) \
381 V(JS_SPECIAL_API_OBJECT_TYPE) \ 381 V(JS_GLOBAL_OBJECT_TYPE) \
382 V(JS_VALUE_TYPE) \ 382 V(JS_GLOBAL_PROXY_TYPE) \
383 V(JS_MESSAGE_OBJECT_TYPE) \ 383 V(JS_SPECIAL_API_OBJECT_TYPE) \
384 V(JS_DATE_TYPE) \ 384 V(JS_VALUE_TYPE) \
385 V(JS_API_OBJECT_TYPE) \ 385 V(JS_MESSAGE_OBJECT_TYPE) \
386 V(JS_OBJECT_TYPE) \ 386 V(JS_DATE_TYPE) \
387 V(JS_ARGUMENTS_TYPE) \ 387 V(JS_API_OBJECT_TYPE) \
388 V(JS_CONTEXT_EXTENSION_OBJECT_TYPE) \ 388 V(JS_OBJECT_TYPE) \
389 V(JS_GENERATOR_OBJECT_TYPE) \ 389 V(JS_ARGUMENTS_TYPE) \
390 V(JS_ASYNC_GENERATOR_OBJECT_TYPE) \ 390 V(JS_CONTEXT_EXTENSION_OBJECT_TYPE) \
391 V(JS_MODULE_NAMESPACE_TYPE) \ 391 V(JS_GENERATOR_OBJECT_TYPE) \
392 V(JS_ARRAY_TYPE) \ 392 V(JS_ASYNC_GENERATOR_OBJECT_TYPE) \
393 V(JS_ARRAY_BUFFER_TYPE) \ 393 V(JS_MODULE_NAMESPACE_TYPE) \
394 V(JS_TYPED_ARRAY_TYPE) \ 394 V(JS_ARRAY_TYPE) \
395 V(JS_DATA_VIEW_TYPE) \ 395 V(JS_ARRAY_BUFFER_TYPE) \
396 V(JS_SET_TYPE) \ 396 V(JS_TYPED_ARRAY_TYPE) \
397 V(JS_MAP_TYPE) \ 397 V(JS_DATA_VIEW_TYPE) \
398 V(JS_SET_ITERATOR_TYPE) \ 398 V(JS_SET_TYPE) \
399 V(JS_MAP_ITERATOR_TYPE) \ 399 V(JS_MAP_TYPE) \
400 V(JS_WEAK_MAP_TYPE) \ 400 V(JS_SET_ITERATOR_TYPE) \
401 V(JS_WEAK_SET_TYPE) \ 401 V(JS_MAP_ITERATOR_TYPE) \
402 V(JS_PROMISE_CAPABILITY_TYPE) \ 402 V(JS_WEAK_MAP_TYPE) \
403 V(JS_PROMISE_TYPE) \ 403 V(JS_WEAK_SET_TYPE) \
404 V(JS_REGEXP_TYPE) \ 404 V(JS_PROMISE_CAPABILITY_TYPE) \
405 V(JS_ERROR_TYPE) \ 405 V(JS_PROMISE_TYPE) \
406 V(JS_ASYNC_FROM_SYNC_ITERATOR_TYPE) \ 406 V(JS_REGEXP_TYPE) \
407 V(JS_STRING_ITERATOR_TYPE) \ 407 V(JS_ERROR_TYPE) \
408 \ 408 V(JS_ASYNC_FROM_SYNC_ITERATOR_TYPE) \
409 V(JS_TYPED_ARRAY_KEY_ITERATOR_TYPE) \ 409 V(JS_STRING_ITERATOR_TYPE) \
410 V(JS_FAST_ARRAY_KEY_ITERATOR_TYPE) \ 410 \
411 V(JS_GENERIC_ARRAY_KEY_ITERATOR_TYPE) \ 411 V(JS_TYPED_ARRAY_KEY_ITERATOR_TYPE) \
412 \ 412 V(JS_FAST_ARRAY_KEY_ITERATOR_TYPE) \
413 V(JS_UINT8_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 413 V(JS_GENERIC_ARRAY_KEY_ITERATOR_TYPE) \
414 V(JS_INT8_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 414 \
415 V(JS_UINT16_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 415 V(JS_UINT8_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
416 V(JS_INT16_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 416 V(JS_INT8_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
417 V(JS_UINT32_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 417 V(JS_UINT16_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
418 V(JS_INT32_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 418 V(JS_INT16_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
419 V(JS_FLOAT32_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 419 V(JS_UINT32_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
420 V(JS_FLOAT64_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 420 V(JS_INT32_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
421 V(JS_UINT8_CLAMPED_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 421 V(JS_FLOAT32_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
422 \ 422 V(JS_FLOAT64_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
423 V(JS_FAST_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 423 V(JS_UINT8_CLAMPED_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
424 V(JS_FAST_HOLEY_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 424 \
425 V(JS_FAST_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 425 V(JS_FAST_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
426 V(JS_FAST_HOLEY_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 426 V(JS_FAST_HOLEY_SMI_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
427 V(JS_FAST_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 427 V(JS_FAST_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
428 V(JS_FAST_HOLEY_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 428 V(JS_FAST_HOLEY_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
429 V(JS_GENERIC_ARRAY_KEY_VALUE_ITERATOR_TYPE) \ 429 V(JS_FAST_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
430 \ 430 V(JS_FAST_HOLEY_DOUBLE_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
431 V(JS_UINT8_ARRAY_VALUE_ITERATOR_TYPE) \ 431 V(JS_GENERIC_ARRAY_KEY_VALUE_ITERATOR_TYPE) \
432 V(JS_INT8_ARRAY_VALUE_ITERATOR_TYPE) \ 432 \
433 V(JS_UINT16_ARRAY_VALUE_ITERATOR_TYPE) \ 433 V(JS_UINT8_ARRAY_VALUE_ITERATOR_TYPE) \
434 V(JS_INT16_ARRAY_VALUE_ITERATOR_TYPE) \ 434 V(JS_INT8_ARRAY_VALUE_ITERATOR_TYPE) \
435 V(JS_UINT32_ARRAY_VALUE_ITERATOR_TYPE) \ 435 V(JS_UINT16_ARRAY_VALUE_ITERATOR_TYPE) \
436 V(JS_INT32_ARRAY_VALUE_ITERATOR_TYPE) \ 436 V(JS_INT16_ARRAY_VALUE_ITERATOR_TYPE) \
437 V(JS_FLOAT32_ARRAY_VALUE_ITERATOR_TYPE) \ 437 V(JS_UINT32_ARRAY_VALUE_ITERATOR_TYPE) \
438 V(JS_FLOAT64_ARRAY_VALUE_ITERATOR_TYPE) \ 438 V(JS_INT32_ARRAY_VALUE_ITERATOR_TYPE) \
439 V(JS_UINT8_CLAMPED_ARRAY_VALUE_ITERATOR_TYPE) \ 439 V(JS_FLOAT32_ARRAY_VALUE_ITERATOR_TYPE) \
440 \ 440 V(JS_FLOAT64_ARRAY_VALUE_ITERATOR_TYPE) \
441 V(JS_FAST_SMI_ARRAY_VALUE_ITERATOR_TYPE) \ 441 V(JS_UINT8_CLAMPED_ARRAY_VALUE_ITERATOR_TYPE) \
442 V(JS_FAST_HOLEY_SMI_ARRAY_VALUE_ITERATOR_TYPE) \ 442 \
443 V(JS_FAST_ARRAY_VALUE_ITERATOR_TYPE) \ 443 V(JS_FAST_SMI_ARRAY_VALUE_ITERATOR_TYPE) \
444 V(JS_FAST_HOLEY_ARRAY_VALUE_ITERATOR_TYPE) \ 444 V(JS_FAST_HOLEY_SMI_ARRAY_VALUE_ITERATOR_TYPE) \
445 V(JS_FAST_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE) \ 445 V(JS_FAST_ARRAY_VALUE_ITERATOR_TYPE) \
446 V(JS_FAST_HOLEY_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE) \ 446 V(JS_FAST_HOLEY_ARRAY_VALUE_ITERATOR_TYPE) \
447 V(JS_GENERIC_ARRAY_VALUE_ITERATOR_TYPE) \ 447 V(JS_FAST_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE) \
448 \ 448 V(JS_FAST_HOLEY_DOUBLE_ARRAY_VALUE_ITERATOR_TYPE) \
449 V(JS_BOUND_FUNCTION_TYPE) \ 449 V(JS_GENERIC_ARRAY_VALUE_ITERATOR_TYPE) \
450 \
451 V(JS_BOUND_FUNCTION_TYPE) \
450 V(JS_FUNCTION_TYPE) 452 V(JS_FUNCTION_TYPE)
451 453
452 // Since string types are not consecutive, this macro is used to 454 // Since string types are not consecutive, this macro is used to
453 // iterate over them. 455 // iterate over them.
454 #define STRING_TYPE_LIST(V) \ 456 #define STRING_TYPE_LIST(V) \
455 V(STRING_TYPE, kVariableSizeSentinel, string, String) \ 457 V(STRING_TYPE, kVariableSizeSentinel, string, String) \
456 V(ONE_BYTE_STRING_TYPE, kVariableSizeSentinel, one_byte_string, \ 458 V(ONE_BYTE_STRING_TYPE, kVariableSizeSentinel, one_byte_string, \
457 OneByteString) \ 459 OneByteString) \
458 V(CONS_STRING_TYPE, ConsString::kSize, cons_string, ConsString) \ 460 V(CONS_STRING_TYPE, ConsString::kSize, cons_string, ConsString) \
459 V(CONS_ONE_BYTE_STRING_TYPE, ConsString::kSize, cons_one_byte_string, \ 461 V(CONS_ONE_BYTE_STRING_TYPE, ConsString::kSize, cons_one_byte_string, \
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after
510 // object verification routines. Easy, no? 512 // object verification routines. Easy, no?
511 // 513 //
512 // Note that for subtle reasons related to the ordering or numerical values of 514 // Note that for subtle reasons related to the ordering or numerical values of
513 // type tags, elements in this list have to be added to the INSTANCE_TYPE_LIST 515 // type tags, elements in this list have to be added to the INSTANCE_TYPE_LIST
514 // manually. 516 // manually.
515 #define STRUCT_LIST(V) \ 517 #define STRUCT_LIST(V) \
516 V(ACCESSOR_INFO, AccessorInfo, accessor_info) \ 518 V(ACCESSOR_INFO, AccessorInfo, accessor_info) \
517 V(ACCESSOR_PAIR, AccessorPair, accessor_pair) \ 519 V(ACCESSOR_PAIR, AccessorPair, accessor_pair) \
518 V(ACCESS_CHECK_INFO, AccessCheckInfo, access_check_info) \ 520 V(ACCESS_CHECK_INFO, AccessCheckInfo, access_check_info) \
519 V(INTERCEPTOR_INFO, InterceptorInfo, interceptor_info) \ 521 V(INTERCEPTOR_INFO, InterceptorInfo, interceptor_info) \
520 V(CALL_HANDLER_INFO, CallHandlerInfo, call_handler_info) \
521 V(FUNCTION_TEMPLATE_INFO, FunctionTemplateInfo, function_template_info) \ 522 V(FUNCTION_TEMPLATE_INFO, FunctionTemplateInfo, function_template_info) \
522 V(OBJECT_TEMPLATE_INFO, ObjectTemplateInfo, object_template_info) \ 523 V(OBJECT_TEMPLATE_INFO, ObjectTemplateInfo, object_template_info) \
523 V(ALLOCATION_SITE, AllocationSite, allocation_site) \ 524 V(ALLOCATION_SITE, AllocationSite, allocation_site) \
524 V(ALLOCATION_MEMENTO, AllocationMemento, allocation_memento) \ 525 V(ALLOCATION_MEMENTO, AllocationMemento, allocation_memento) \
525 V(SCRIPT, Script, script) \ 526 V(SCRIPT, Script, script) \
526 V(TYPE_FEEDBACK_INFO, TypeFeedbackInfo, type_feedback_info) \
527 V(ALIASED_ARGUMENTS_ENTRY, AliasedArgumentsEntry, aliased_arguments_entry) \ 527 V(ALIASED_ARGUMENTS_ENTRY, AliasedArgumentsEntry, aliased_arguments_entry) \
528 V(PROMISE_RESOLVE_THENABLE_JOB_INFO, PromiseResolveThenableJobInfo, \ 528 V(PROMISE_RESOLVE_THENABLE_JOB_INFO, PromiseResolveThenableJobInfo, \
529 promise_resolve_thenable_job_info) \ 529 promise_resolve_thenable_job_info) \
530 V(PROMISE_REACTION_JOB_INFO, PromiseReactionJobInfo, \ 530 V(PROMISE_REACTION_JOB_INFO, PromiseReactionJobInfo, \
531 promise_reaction_job_info) \ 531 promise_reaction_job_info) \
532 V(DEBUG_INFO, DebugInfo, debug_info) \ 532 V(DEBUG_INFO, DebugInfo, debug_info) \
533 V(BREAK_POINT_INFO, BreakPointInfo, break_point_info) \
534 V(STACK_FRAME_INFO, StackFrameInfo, stack_frame_info) \ 533 V(STACK_FRAME_INFO, StackFrameInfo, stack_frame_info) \
535 V(PROTOTYPE_INFO, PrototypeInfo, prototype_info) \ 534 V(PROTOTYPE_INFO, PrototypeInfo, prototype_info) \
536 V(TUPLE2, Tuple2, tuple2) \ 535 V(TUPLE2, Tuple2, tuple2) \
537 V(TUPLE3, Tuple3, tuple3) \ 536 V(TUPLE3, Tuple3, tuple3) \
538 V(CONTEXT_EXTENSION, ContextExtension, context_extension) \ 537 V(CONTEXT_EXTENSION, ContextExtension, context_extension) \
539 V(CONSTANT_ELEMENTS_PAIR, ConstantElementsPair, constant_elements_pair) \
540 V(MODULE, Module, module) \ 538 V(MODULE, Module, module) \
541 V(MODULE_INFO_ENTRY, ModuleInfoEntry, module_info_entry) \ 539 V(MODULE_INFO_ENTRY, ModuleInfoEntry, module_info_entry) \
542 V(ASYNC_GENERATOR_REQUEST, AsyncGeneratorRequest, async_generator_request) 540 V(ASYNC_GENERATOR_REQUEST, AsyncGeneratorRequest, async_generator_request)
543 541
544 // We use the full 8 bits of the instance_type field to encode heap object 542 // We use the full 8 bits of the instance_type field to encode heap object
545 // instance types. The high-order bit (bit 7) is set if the object is not a 543 // instance types. The high-order bit (bit 7) is set if the object is not a
546 // string, and cleared if it is a string. 544 // string, and cleared if it is a string.
547 const uint32_t kIsNotStringMask = 0x80; 545 const uint32_t kIsNotStringMask = 0x80;
548 const uint32_t kStringTag = 0x0; 546 const uint32_t kStringTag = 0x0;
549 const uint32_t kNotStringTag = 0x80; 547 const uint32_t kNotStringTag = 0x80;
(...skipping 134 matching lines...) Expand 10 before | Expand all | Expand 10 after
684 FIXED_FLOAT64_ARRAY_TYPE, 682 FIXED_FLOAT64_ARRAY_TYPE,
685 FIXED_UINT8_CLAMPED_ARRAY_TYPE, // LAST_FIXED_TYPED_ARRAY_TYPE 683 FIXED_UINT8_CLAMPED_ARRAY_TYPE, // LAST_FIXED_TYPED_ARRAY_TYPE
686 FIXED_DOUBLE_ARRAY_TYPE, 684 FIXED_DOUBLE_ARRAY_TYPE,
687 FILLER_TYPE, // LAST_DATA_TYPE 685 FILLER_TYPE, // LAST_DATA_TYPE
688 686
689 // Structs. 687 // Structs.
690 ACCESSOR_INFO_TYPE, 688 ACCESSOR_INFO_TYPE,
691 ACCESSOR_PAIR_TYPE, 689 ACCESSOR_PAIR_TYPE,
692 ACCESS_CHECK_INFO_TYPE, 690 ACCESS_CHECK_INFO_TYPE,
693 INTERCEPTOR_INFO_TYPE, 691 INTERCEPTOR_INFO_TYPE,
694 CALL_HANDLER_INFO_TYPE,
695 FUNCTION_TEMPLATE_INFO_TYPE, 692 FUNCTION_TEMPLATE_INFO_TYPE,
696 OBJECT_TEMPLATE_INFO_TYPE, 693 OBJECT_TEMPLATE_INFO_TYPE,
697 ALLOCATION_SITE_TYPE, 694 ALLOCATION_SITE_TYPE,
698 ALLOCATION_MEMENTO_TYPE, 695 ALLOCATION_MEMENTO_TYPE,
699 SCRIPT_TYPE, 696 SCRIPT_TYPE,
700 TYPE_FEEDBACK_INFO_TYPE,
701 ALIASED_ARGUMENTS_ENTRY_TYPE, 697 ALIASED_ARGUMENTS_ENTRY_TYPE,
702 PROMISE_RESOLVE_THENABLE_JOB_INFO_TYPE, 698 PROMISE_RESOLVE_THENABLE_JOB_INFO_TYPE,
703 PROMISE_REACTION_JOB_INFO_TYPE, 699 PROMISE_REACTION_JOB_INFO_TYPE,
704 DEBUG_INFO_TYPE, 700 DEBUG_INFO_TYPE,
705 BREAK_POINT_INFO_TYPE,
706 STACK_FRAME_INFO_TYPE, 701 STACK_FRAME_INFO_TYPE,
707 PROTOTYPE_INFO_TYPE, 702 PROTOTYPE_INFO_TYPE,
708 TUPLE2_TYPE, 703 TUPLE2_TYPE,
709 TUPLE3_TYPE, 704 TUPLE3_TYPE,
710 CONTEXT_EXTENSION_TYPE, 705 CONTEXT_EXTENSION_TYPE,
711 CONSTANT_ELEMENTS_PAIR_TYPE,
712 MODULE_TYPE, 706 MODULE_TYPE,
713 MODULE_INFO_ENTRY_TYPE, 707 MODULE_INFO_ENTRY_TYPE,
714 ASYNC_GENERATOR_REQUEST_TYPE, 708 ASYNC_GENERATOR_REQUEST_TYPE,
715 FIXED_ARRAY_TYPE, 709 FIXED_ARRAY_TYPE,
716 TRANSITION_ARRAY_TYPE, 710 TRANSITION_ARRAY_TYPE,
717 SHARED_FUNCTION_INFO_TYPE, 711 SHARED_FUNCTION_INFO_TYPE,
718 CELL_TYPE, 712 CELL_TYPE,
719 WEAK_CELL_TYPE, 713 WEAK_CELL_TYPE,
720 PROPERTY_CELL_TYPE, 714 PROPERTY_CELL_TYPE,
721 715
716 // TODO(yangguo): these padding types are for ABI stability. Remove after
717 // version 6.0 branch, or replace them when there is demand for new types.
718 PADDING_TYPE_1,
719 PADDING_TYPE_2,
720 PADDING_TYPE_3,
721 PADDING_TYPE_4,
722
722 // All the following types are subtypes of JSReceiver, which corresponds to 723 // All the following types are subtypes of JSReceiver, which corresponds to
723 // objects in the JS sense. The first and the last type in this range are 724 // objects in the JS sense. The first and the last type in this range are
724 // the two forms of function. This organization enables using the same 725 // the two forms of function. This organization enables using the same
725 // compares for checking the JS_RECEIVER and the NONCALLABLE_JS_OBJECT range. 726 // compares for checking the JS_RECEIVER and the NONCALLABLE_JS_OBJECT range.
726 JS_PROXY_TYPE, // FIRST_JS_RECEIVER_TYPE 727 JS_PROXY_TYPE, // FIRST_JS_RECEIVER_TYPE
727 JS_GLOBAL_OBJECT_TYPE, // FIRST_JS_OBJECT_TYPE 728 JS_GLOBAL_OBJECT_TYPE, // FIRST_JS_OBJECT_TYPE
728 JS_GLOBAL_PROXY_TYPE, 729 JS_GLOBAL_PROXY_TYPE,
729 // Like JS_API_OBJECT_TYPE, but requires access checks and/or has 730 // Like JS_API_OBJECT_TYPE, but requires access checks and/or has
730 // interceptors. 731 // interceptors.
731 JS_SPECIAL_API_OBJECT_TYPE, // LAST_SPECIAL_RECEIVER_TYPE 732 JS_SPECIAL_API_OBJECT_TYPE, // LAST_SPECIAL_RECEIVER_TYPE
(...skipping 239 matching lines...) Expand 10 before | Expand all | Expand 10 after
971 #define DECLARE_PRINTER(Name) 972 #define DECLARE_PRINTER(Name)
972 #endif 973 #endif
973 974
974 #define OBJECT_TYPE_LIST(V) \ 975 #define OBJECT_TYPE_LIST(V) \
975 V(Smi) \ 976 V(Smi) \
976 V(LayoutDescriptor) \ 977 V(LayoutDescriptor) \
977 V(HeapObject) \ 978 V(HeapObject) \
978 V(Primitive) \ 979 V(Primitive) \
979 V(Number) 980 V(Number)
980 981
981 #define HEAP_OBJECT_TYPE_LIST(V) \ 982 #define HEAP_OBJECT_TYPE_LIST(V) \
982 V(HeapNumber) \ 983 V(AbstractCode) \
983 V(MutableHeapNumber) \ 984 V(AccessCheckNeeded) \
984 V(Name) \ 985 V(ArrayList) \
985 V(UniqueName) \ 986 V(BoilerplateDescription) \
986 V(String) \ 987 V(Boolean) \
987 V(SeqString) \ 988 V(BreakPointInfo) \
988 V(ExternalString) \ 989 V(ByteArray) \
989 V(ConsString) \ 990 V(BytecodeArray) \
990 V(SlicedString) \ 991 V(Callable) \
991 V(ExternalTwoByteString) \ 992 V(CallHandlerInfo) \
992 V(ExternalOneByteString) \ 993 V(Cell) \
993 V(SeqTwoByteString) \ 994 V(Code) \
994 V(SeqOneByteString) \ 995 V(CodeCacheHashTable) \
995 V(InternalizedString) \ 996 V(CompilationCacheTable) \
996 V(ThinString) \ 997 V(ConsString) \
997 V(Symbol) \ 998 V(ConstantElementsPair) \
998 \ 999 V(Constructor) \
999 V(FixedTypedArrayBase) \ 1000 V(Context) \
1000 V(FixedUint8Array) \ 1001 V(DeoptimizationInputData) \
1001 V(FixedInt8Array) \ 1002 V(DeoptimizationOutputData) \
1002 V(FixedUint16Array) \ 1003 V(DependentCode) \
1003 V(FixedInt16Array) \ 1004 V(DescriptorArray) \
1004 V(FixedUint32Array) \ 1005 V(Dictionary) \
1005 V(FixedInt32Array) \ 1006 V(External) \
1006 V(FixedFloat32Array) \ 1007 V(ExternalOneByteString) \
1007 V(FixedFloat64Array) \ 1008 V(ExternalString) \
1008 V(FixedUint8ClampedArray) \ 1009 V(ExternalTwoByteString) \
1009 V(ByteArray) \ 1010 V(FeedbackMetadata) \
1010 V(BytecodeArray) \ 1011 V(FeedbackVector) \
1011 V(FreeSpace) \ 1012 V(Filler) \
1012 V(JSReceiver) \ 1013 V(FixedArray) \
1013 V(JSObject) \ 1014 V(FixedArrayBase) \
1014 V(JSArgumentsObject) \ 1015 V(FixedDoubleArray) \
1015 V(JSContextExtensionObject) \ 1016 V(FixedFloat32Array) \
1016 V(JSGeneratorObject) \ 1017 V(FixedFloat64Array) \
1017 V(JSAsyncGeneratorObject) \ 1018 V(FixedInt16Array) \
1018 V(JSModuleNamespace) \ 1019 V(FixedInt32Array) \
1019 V(Map) \ 1020 V(FixedInt8Array) \
1020 V(DescriptorArray) \ 1021 V(FixedTypedArrayBase) \
1021 V(FrameArray) \ 1022 V(FixedUint16Array) \
1022 V(TransitionArray) \ 1023 V(FixedUint32Array) \
1023 V(FeedbackMetadata) \ 1024 V(FixedUint8Array) \
1024 V(FeedbackVector) \ 1025 V(FixedUint8ClampedArray) \
1025 V(DeoptimizationInputData) \ 1026 V(Foreign) \
1026 V(DeoptimizationOutputData) \ 1027 V(FrameArray) \
1027 V(DependentCode) \ 1028 V(FreeSpace) \
1028 V(HandlerTable) \ 1029 V(Function) \
1029 V(FixedArray) \ 1030 V(HandlerTable) \
1030 V(BoilerplateDescription) \ 1031 V(HashTable) \
1031 V(FixedDoubleArray) \ 1032 V(HeapNumber) \
1032 V(WeakFixedArray) \ 1033 V(InternalizedString) \
1033 V(ArrayList) \ 1034 V(JSArgumentsObject) \
1034 V(RegExpMatchInfo) \ 1035 V(JSArray) \
1035 V(Context) \ 1036 V(JSArrayBuffer) \
1036 V(ScriptContextTable) \ 1037 V(JSArrayBufferView) \
1037 V(NativeContext) \ 1038 V(JSArrayIterator) \
1038 V(ScopeInfo) \ 1039 V(JSAsyncFromSyncIterator) \
1039 V(ModuleInfo) \ 1040 V(JSAsyncGeneratorObject) \
1040 V(JSBoundFunction) \ 1041 V(JSBoundFunction) \
1041 V(JSFunction) \ 1042 V(JSCollection) \
1042 V(Code) \ 1043 V(JSContextExtensionObject) \
1043 V(AbstractCode) \ 1044 V(JSDataView) \
1044 V(Oddball) \ 1045 V(JSDate) \
1045 V(SharedFunctionInfo) \ 1046 V(JSError) \
1046 V(JSValue) \ 1047 V(JSFunction) \
1047 V(JSDate) \ 1048 V(JSGeneratorObject) \
1048 V(JSMessageObject) \ 1049 V(JSGlobalObject) \
1049 V(StringWrapper) \ 1050 V(JSGlobalProxy) \
1050 V(Foreign) \ 1051 V(JSMap) \
1051 V(Boolean) \ 1052 V(JSMapIterator) \
1052 V(JSArray) \ 1053 V(JSMessageObject) \
1053 V(JSArrayBuffer) \ 1054 V(JSModuleNamespace) \
1054 V(JSArrayBufferView) \ 1055 V(JSObject) \
1055 V(JSAsyncFromSyncIterator) \ 1056 V(JSPromise) \
1056 V(JSCollection) \ 1057 V(JSPromiseCapability) \
1057 V(JSTypedArray) \ 1058 V(JSProxy) \
1058 V(JSArrayIterator) \ 1059 V(JSReceiver) \
1059 V(JSDataView) \ 1060 V(JSRegExp) \
1060 V(JSProxy) \ 1061 V(JSSet) \
1061 V(JSError) \ 1062 V(JSSetIterator) \
1062 V(JSPromiseCapability) \ 1063 V(JSStringIterator) \
1063 V(JSPromise) \ 1064 V(JSTypedArray) \
1064 V(JSStringIterator) \ 1065 V(JSValue) \
1065 V(JSSet) \ 1066 V(JSWeakCollection) \
1066 V(JSMap) \ 1067 V(JSWeakMap) \
1067 V(JSSetIterator) \ 1068 V(JSWeakSet) \
1068 V(JSMapIterator) \ 1069 V(Map) \
1069 V(JSWeakCollection) \ 1070 V(MapCache) \
1070 V(JSWeakMap) \ 1071 V(ModuleInfo) \
1071 V(JSWeakSet) \ 1072 V(MutableHeapNumber) \
1072 V(JSRegExp) \ 1073 V(Name) \
1073 V(HashTable) \ 1074 V(NativeContext) \
1074 V(Dictionary) \ 1075 V(NormalizedMapCache) \
1075 V(UnseededNumberDictionary) \ 1076 V(ObjectHashSet) \
1076 V(StringTable) \ 1077 V(ObjectHashTable) \
1077 V(StringSet) \ 1078 V(Oddball) \
1078 V(NormalizedMapCache) \ 1079 V(OrderedHashTable) \
1079 V(CompilationCacheTable) \ 1080 V(PropertyCell) \
1080 V(CodeCacheHashTable) \ 1081 V(RegExpMatchInfo) \
1081 V(MapCache) \ 1082 V(ScopeInfo) \
1082 V(JSGlobalObject) \ 1083 V(ScriptContextTable) \
1083 V(JSGlobalProxy) \ 1084 V(SeqOneByteString) \
1084 V(Undetectable) \ 1085 V(SeqString) \
1085 V(AccessCheckNeeded) \ 1086 V(SeqTwoByteString) \
1086 V(Callable) \ 1087 V(SharedFunctionInfo) \
1087 V(Function) \ 1088 V(SlicedString) \
1088 V(Constructor) \ 1089 V(SloppyArgumentsElements) \
1089 V(TemplateInfo) \ 1090 V(SourcePositionTableWithFrameCache) \
1090 V(Filler) \ 1091 V(String) \
1091 V(FixedArrayBase) \ 1092 V(StringSet) \
1092 V(External) \ 1093 V(StringTable) \
1093 V(Struct) \ 1094 V(StringWrapper) \
1094 V(Cell) \ 1095 V(Struct) \
1095 V(TemplateList) \ 1096 V(Symbol) \
1096 V(PropertyCell) \ 1097 V(TemplateInfo) \
1097 V(WeakCell) \ 1098 V(TemplateList) \
1098 V(ObjectHashTable) \ 1099 V(ThinString) \
1099 V(ObjectHashSet) \ 1100 V(TransitionArray) \
1100 V(WeakHashTable) \ 1101 V(TypeFeedbackInfo) \
1101 V(OrderedHashTable) \ 1102 V(Undetectable) \
1102 V(SloppyArgumentsElements) \ 1103 V(UniqueName) \
1103 V(SourcePositionTableWithFrameCache) 1104 V(UnseededNumberDictionary) \
1105 V(WeakCell) \
1106 V(WeakFixedArray) \
1107 V(WeakHashTable)
1104 1108
1105 #define ODDBALL_LIST(V) \ 1109 #define ODDBALL_LIST(V) \
1106 V(Undefined, undefined_value) \ 1110 V(Undefined, undefined_value) \
1107 V(Null, null_value) \ 1111 V(Null, null_value) \
1108 V(TheHole, the_hole_value) \ 1112 V(TheHole, the_hole_value) \
1109 V(Exception, exception) \ 1113 V(Exception, exception) \
1110 V(Uninitialized, uninitialized_value) \ 1114 V(Uninitialized, uninitialized_value) \
1111 V(True, true_value) \ 1115 V(True, true_value) \
1112 V(False, false_value) \ 1116 V(False, false_value) \
1113 V(ArgumentsMarker, arguments_marker) \ 1117 V(ArgumentsMarker, arguments_marker) \
(...skipping 6382 matching lines...) Expand 10 before | Expand all | Expand 10 after
7496 static const int kCompilationErrorValue = -2; 7500 static const int kCompilationErrorValue = -2;
7497 7501
7498 // When we store the sweep generation at which we moved the code from the 7502 // When we store the sweep generation at which we moved the code from the
7499 // code index to the saved code index we mask it of to be in the [0:255] 7503 // code index to the saved code index we mask it of to be in the [0:255]
7500 // range. 7504 // range.
7501 static const int kCodeAgeMask = 0xff; 7505 static const int kCodeAgeMask = 0xff;
7502 }; 7506 };
7503 7507
7504 DEFINE_OPERATORS_FOR_FLAGS(JSRegExp::Flags) 7508 DEFINE_OPERATORS_FOR_FLAGS(JSRegExp::Flags)
7505 7509
7506 7510 class TypeFeedbackInfo : public Tuple3 {
7507 class TypeFeedbackInfo: public Struct {
7508 public: 7511 public:
7509 inline int ic_total_count(); 7512 inline int ic_total_count();
7510 inline void set_ic_total_count(int count); 7513 inline void set_ic_total_count(int count);
7511 7514
7512 inline int ic_with_type_info_count(); 7515 inline int ic_with_type_info_count();
7513 inline void change_ic_with_type_info_count(int delta); 7516 inline void change_ic_with_type_info_count(int delta);
7514 7517
7515 inline int ic_generic_count(); 7518 inline int ic_generic_count();
7516 inline void change_ic_generic_count(int delta); 7519 inline void change_ic_generic_count(int delta);
7517 7520
7518 inline void initialize_storage(); 7521 inline void initialize_storage();
7519 7522
7520 inline void change_own_type_change_checksum(); 7523 inline void change_own_type_change_checksum();
7521 inline int own_type_change_checksum(); 7524 inline int own_type_change_checksum();
7522 7525
7523 inline void set_inlined_type_change_checksum(int checksum); 7526 inline void set_inlined_type_change_checksum(int checksum);
7524 inline bool matches_inlined_type_change_checksum(int checksum); 7527 inline bool matches_inlined_type_change_checksum(int checksum);
7525 7528
7526 DECLARE_CAST(TypeFeedbackInfo) 7529 DECLARE_CAST(TypeFeedbackInfo)
7527 7530
7528 // Dispatched behavior. 7531 static const int kStorage1Offset = kValue1Offset;
7529 DECLARE_PRINTER(TypeFeedbackInfo) 7532 static const int kStorage2Offset = kValue2Offset;
7530 DECLARE_VERIFIER(TypeFeedbackInfo) 7533 static const int kStorage3Offset = kValue3Offset;
7531
7532 static const int kStorage1Offset = HeapObject::kHeaderSize;
7533 static const int kStorage2Offset = kStorage1Offset + kPointerSize;
7534 static const int kStorage3Offset = kStorage2Offset + kPointerSize;
7535 static const int kSize = kStorage3Offset + kPointerSize;
7536 7534
7537 private: 7535 private:
7538 static const int kTypeChangeChecksumBits = 7; 7536 static const int kTypeChangeChecksumBits = 7;
7539 7537
7540 class ICTotalCountField: public BitField<int, 0, 7538 class ICTotalCountField: public BitField<int, 0,
7541 kSmiValueSize - kTypeChangeChecksumBits> {}; // NOLINT 7539 kSmiValueSize - kTypeChangeChecksumBits> {}; // NOLINT
7542 class OwnTypeChangeChecksum: public BitField<int, 7540 class OwnTypeChangeChecksum: public BitField<int,
7543 kSmiValueSize - kTypeChangeChecksumBits, 7541 kSmiValueSize - kTypeChangeChecksumBits,
7544 kTypeChangeChecksumBits> {}; // NOLINT 7542 kTypeChangeChecksumBits> {}; // NOLINT
7545 class ICsWithTypeInfoCountField: public BitField<int, 0, 7543 class ICsWithTypeInfoCountField: public BitField<int, 0,
(...skipping 2304 matching lines...) Expand 10 before | Expand all | Expand 10 after
9850 static const int kSize = kFlagsOffset + kPointerSize; 9848 static const int kSize = kFlagsOffset + kPointerSize;
9851 9849
9852 static const int kCanInterceptSymbolsBit = 0; 9850 static const int kCanInterceptSymbolsBit = 0;
9853 static const int kAllCanReadBit = 1; 9851 static const int kAllCanReadBit = 1;
9854 static const int kNonMasking = 2; 9852 static const int kNonMasking = 2;
9855 9853
9856 private: 9854 private:
9857 DISALLOW_IMPLICIT_CONSTRUCTORS(InterceptorInfo); 9855 DISALLOW_IMPLICIT_CONSTRUCTORS(InterceptorInfo);
9858 }; 9856 };
9859 9857
9860 9858 class CallHandlerInfo : public Tuple2 {
9861 class CallHandlerInfo: public Struct {
9862 public: 9859 public:
9863 DECL_ACCESSORS(callback, Object) 9860 DECL_ACCESSORS(callback, Object)
9864 DECL_ACCESSORS(data, Object) 9861 DECL_ACCESSORS(data, Object)
9865 9862
9866 DECLARE_CAST(CallHandlerInfo) 9863 DECLARE_CAST(CallHandlerInfo)
9867 9864
9868 // Dispatched behavior. 9865 static const int kCallbackOffset = kValue1Offset;
9869 DECLARE_PRINTER(CallHandlerInfo) 9866 static const int kDataOffset = kValue2Offset;
9870 DECLARE_VERIFIER(CallHandlerInfo)
9871
9872 static const int kCallbackOffset = HeapObject::kHeaderSize;
9873 static const int kDataOffset = kCallbackOffset + kPointerSize;
9874 static const int kSize = kDataOffset + kPointerSize;
9875 9867
9876 private: 9868 private:
9877 DISALLOW_IMPLICIT_CONSTRUCTORS(CallHandlerInfo); 9869 DISALLOW_IMPLICIT_CONSTRUCTORS(CallHandlerInfo);
9878 }; 9870 };
9879 9871
9880 9872
9881 class TemplateInfo: public Struct { 9873 class TemplateInfo: public Struct {
9882 public: 9874 public:
9883 DECL_ACCESSORS(tag, Object) 9875 DECL_ACCESSORS(tag, Object)
9884 DECL_ACCESSORS(serial_number, Object) 9876 DECL_ACCESSORS(serial_number, Object)
(...skipping 200 matching lines...) Expand 10 before | Expand all | Expand 10 after
10085 // Get the break point info object for a source position. 10077 // Get the break point info object for a source position.
10086 Object* GetBreakPointInfo(int source_position); 10078 Object* GetBreakPointInfo(int source_position);
10087 10079
10088 DISALLOW_IMPLICIT_CONSTRUCTORS(DebugInfo); 10080 DISALLOW_IMPLICIT_CONSTRUCTORS(DebugInfo);
10089 }; 10081 };
10090 10082
10091 10083
10092 // The BreakPointInfo class holds information for break points set in a 10084 // The BreakPointInfo class holds information for break points set in a
10093 // function. The DebugInfo object holds a BreakPointInfo object for each code 10085 // function. The DebugInfo object holds a BreakPointInfo object for each code
10094 // position with one or more break points. 10086 // position with one or more break points.
10095 class BreakPointInfo: public Struct { 10087 class BreakPointInfo : public Tuple2 {
10096 public: 10088 public:
10097 // The position in the source for the break position. 10089 // The position in the source for the break position.
10098 DECL_INT_ACCESSORS(source_position) 10090 DECL_INT_ACCESSORS(source_position)
10099 // List of related JavaScript break points. 10091 // List of related JavaScript break points.
10100 DECL_ACCESSORS(break_point_objects, Object) 10092 DECL_ACCESSORS(break_point_objects, Object)
10101 10093
10102 // Removes a break point. 10094 // Removes a break point.
10103 static void ClearBreakPoint(Handle<BreakPointInfo> info, 10095 static void ClearBreakPoint(Handle<BreakPointInfo> info,
10104 Handle<Object> break_point_object); 10096 Handle<Object> break_point_object);
10105 // Set a break point. 10097 // Set a break point.
10106 static void SetBreakPoint(Handle<BreakPointInfo> info, 10098 static void SetBreakPoint(Handle<BreakPointInfo> info,
10107 Handle<Object> break_point_object); 10099 Handle<Object> break_point_object);
10108 // Check if break point info has this break point object. 10100 // Check if break point info has this break point object.
10109 static bool HasBreakPointObject(Handle<BreakPointInfo> info, 10101 static bool HasBreakPointObject(Handle<BreakPointInfo> info,
10110 Handle<Object> break_point_object); 10102 Handle<Object> break_point_object);
10111 // Get the number of break points for this code offset. 10103 // Get the number of break points for this code offset.
10112 int GetBreakPointCount(); 10104 int GetBreakPointCount();
10113 10105
10114 int GetStatementPosition(Handle<DebugInfo> debug_info); 10106 int GetStatementPosition(Handle<DebugInfo> debug_info);
10115 10107
10116 DECLARE_CAST(BreakPointInfo) 10108 DECLARE_CAST(BreakPointInfo)
10117 10109
10118 // Dispatched behavior. 10110 static const int kSourcePositionIndex = kValue1Offset;
10119 DECLARE_PRINTER(BreakPointInfo) 10111 static const int kBreakPointObjectsIndex = kValue2Offset;
10120 DECLARE_VERIFIER(BreakPointInfo)
10121
10122 static const int kSourcePositionIndex = Struct::kHeaderSize;
10123 static const int kBreakPointObjectsIndex =
10124 kSourcePositionIndex + kPointerSize;
10125 static const int kSize = kBreakPointObjectsIndex + kPointerSize;
10126 10112
10127 private: 10113 private:
10128 DISALLOW_IMPLICIT_CONSTRUCTORS(BreakPointInfo); 10114 DISALLOW_IMPLICIT_CONSTRUCTORS(BreakPointInfo);
10129 }; 10115 };
10130 10116
10131 class StackFrameInfo : public Struct { 10117 class StackFrameInfo : public Struct {
10132 public: 10118 public:
10133 DECL_INT_ACCESSORS(line_number) 10119 DECL_INT_ACCESSORS(line_number)
10134 DECL_INT_ACCESSORS(column_number) 10120 DECL_INT_ACCESSORS(column_number)
10135 DECL_INT_ACCESSORS(script_id) 10121 DECL_INT_ACCESSORS(script_id)
(...skipping 153 matching lines...) Expand 10 before | Expand all | Expand 10 after
10289 } 10275 }
10290 }; 10276 };
10291 10277
10292 10278
10293 } // NOLINT, false-positive due to second-order macros. 10279 } // NOLINT, false-positive due to second-order macros.
10294 } // NOLINT, false-positive due to second-order macros. 10280 } // NOLINT, false-positive due to second-order macros.
10295 10281
10296 #include "src/objects/object-macros-undef.h" 10282 #include "src/objects/object-macros-undef.h"
10297 10283
10298 #endif // V8_OBJECTS_H_ 10284 #endif // V8_OBJECTS_H_
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