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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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_CONTEXTS_H_ | 5 #ifndef V8_CONTEXTS_H_ |
6 #define V8_CONTEXTS_H_ | 6 #define V8_CONTEXTS_H_ |
7 | 7 |
8 #include "src/heap/heap.h" | 8 #include "src/heap/heap.h" |
9 #include "src/objects.h" | 9 #include "src/objects.h" |
10 | 10 |
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87 V(INT16X8_FUNCTION_INDEX, JSFunction, int16x8_function) \ | 87 V(INT16X8_FUNCTION_INDEX, JSFunction, int16x8_function) \ |
88 V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function) \ | 88 V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function) \ |
89 V(INT8X16_FUNCTION_INDEX, JSFunction, int8x16_function) \ | 89 V(INT8X16_FUNCTION_INDEX, JSFunction, int8x16_function) \ |
90 V(BOOL8X16_FUNCTION_INDEX, JSFunction, bool8x16_function) \ | 90 V(BOOL8X16_FUNCTION_INDEX, JSFunction, bool8x16_function) \ |
91 V(OBJECT_FUNCTION_INDEX, JSFunction, object_function) \ | 91 V(OBJECT_FUNCTION_INDEX, JSFunction, object_function) \ |
92 V(JS_OBJECT_STRONG_MAP_INDEX, Map, js_object_strong_map) \ | 92 V(JS_OBJECT_STRONG_MAP_INDEX, Map, js_object_strong_map) \ |
93 V(INTERNAL_ARRAY_FUNCTION_INDEX, JSFunction, internal_array_function) \ | 93 V(INTERNAL_ARRAY_FUNCTION_INDEX, JSFunction, internal_array_function) \ |
94 V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \ | 94 V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \ |
95 V(JS_ARRAY_MAPS_INDEX, Object, js_array_maps) \ | 95 V(JS_ARRAY_MAPS_INDEX, Object, js_array_maps) \ |
96 V(JS_ARRAY_STRONG_MAPS_INDEX, Object, js_array_strong_maps) \ | 96 V(JS_ARRAY_STRONG_MAPS_INDEX, Object, js_array_strong_maps) \ |
97 V(DATE_FUNCTION_INDEX, JSFunction, date_function) \ | |
98 V(JSON_OBJECT_INDEX, JSObject, json_object) \ | |
99 V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function) \ | 97 V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function) \ |
100 V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype) \ | 98 V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype) \ |
101 V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype) \ | 99 V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype) \ |
| 100 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \ |
102 V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun) \ | 101 V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun) \ |
103 V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun) \ | 102 V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun) \ |
104 V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun) \ | 103 V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun) \ |
105 V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun) \ | 104 V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun) \ |
| 105 V(NO_SIDE_EFFECT_TO_STRING_FUN_INDEX, JSFunction, \ |
| 106 no_side_effect_to_string_fun) \ |
106 V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun) \ | 107 V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun) \ |
107 V(TO_LENGTH_FUN_INDEX, JSFunction, to_length_fun) \ | 108 V(TO_LENGTH_FUN_INDEX, JSFunction, to_length_fun) \ |
108 V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \ | 109 V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \ |
109 V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \ | 110 V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \ |
110 V(SHARED_ARRAY_BUFFER_FUN_INDEX, JSFunction, shared_array_buffer_fun) \ | 111 V(SHARED_ARRAY_BUFFER_FUN_INDEX, JSFunction, shared_array_buffer_fun) \ |
111 V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map) \ | 112 V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map) \ |
112 V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \ | 113 V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \ |
113 V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun) \ | 114 V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun) \ |
114 V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \ | 115 V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \ |
115 V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun) \ | 116 V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun) \ |
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129 V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \ | 130 V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \ |
130 strict_function_without_prototype_map) \ | 131 strict_function_without_prototype_map) \ |
131 V(STRONG_CONSTRUCTOR_MAP_INDEX, Map, strong_constructor_map) \ | 132 V(STRONG_CONSTRUCTOR_MAP_INDEX, Map, strong_constructor_map) \ |
132 V(BOUND_FUNCTION_MAP_INDEX, Map, bound_function_map) \ | 133 V(BOUND_FUNCTION_MAP_INDEX, Map, bound_function_map) \ |
133 V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map) \ | 134 V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map) \ |
134 V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map) \ | 135 V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map) \ |
135 V(FAST_ALIASED_ARGUMENTS_MAP_INDEX, Map, fast_aliased_arguments_map) \ | 136 V(FAST_ALIASED_ARGUMENTS_MAP_INDEX, Map, fast_aliased_arguments_map) \ |
136 V(SLOW_ALIASED_ARGUMENTS_MAP_INDEX, Map, slow_aliased_arguments_map) \ | 137 V(SLOW_ALIASED_ARGUMENTS_MAP_INDEX, Map, slow_aliased_arguments_map) \ |
137 V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map) \ | 138 V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map) \ |
138 V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners) \ | 139 V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners) \ |
139 V(MAKE_MESSAGE_FUN_INDEX, JSFunction, make_message_fun) \ | |
140 V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \ | 140 V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \ |
141 V(CONFIGURE_GLOBAL_INDEX, JSFunction, configure_global_fun) \ | |
142 V(FUNCTION_CACHE_INDEX, ObjectHashTable, function_cache) \ | 141 V(FUNCTION_CACHE_INDEX, ObjectHashTable, function_cache) \ |
143 V(NORMALIZED_MAP_CACHE_INDEX, Object, normalized_map_cache) \ | 142 V(NORMALIZED_MAP_CACHE_INDEX, Object, normalized_map_cache) \ |
144 V(RUNTIME_CONTEXT_INDEX, Context, runtime_context) \ | 143 V(RUNTIME_CONTEXT_INDEX, Context, runtime_context) \ |
145 V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \ | 144 V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \ |
146 V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \ | 145 V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \ |
147 call_as_constructor_delegate) \ | 146 call_as_constructor_delegate) \ |
148 V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \ | 147 V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \ |
149 V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \ | 148 V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \ |
150 V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \ | 149 V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \ |
151 V(MAP_CACHE_INDEX, Object, map_cache) \ | 150 V(MAP_CACHE_INDEX, Object, map_cache) \ |
152 V(STRONG_MAP_CACHE_INDEX, Object, strong_map_cache) \ | 151 V(STRONG_MAP_CACHE_INDEX, Object, strong_map_cache) \ |
153 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \ | |
154 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ | 152 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ |
155 V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \ | 153 V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \ |
156 error_message_for_code_gen_from_strings) \ | 154 error_message_for_code_gen_from_strings) \ |
| 155 V(ERROR_FUNCTION_INDEX, JSFunction, error_function) \ |
| 156 V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function) \ |
| 157 V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function) \ |
| 158 V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function) \ |
| 159 V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function) \ |
| 160 V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function) \ |
| 161 V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function) \ |
157 V(PROMISE_STATUS_INDEX, Symbol, promise_status) \ | 162 V(PROMISE_STATUS_INDEX, Symbol, promise_status) \ |
158 V(PROMISE_VALUE_INDEX, Symbol, promise_value) \ | 163 V(PROMISE_VALUE_INDEX, Symbol, promise_value) \ |
159 V(PROMISE_CREATE_INDEX, JSFunction, promise_create) \ | 164 V(PROMISE_CREATE_INDEX, JSFunction, promise_create) \ |
160 V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \ | 165 V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \ |
161 V(PROMISE_REJECT_INDEX, JSFunction, promise_reject) \ | 166 V(PROMISE_REJECT_INDEX, JSFunction, promise_reject) \ |
162 V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain) \ | 167 V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain) \ |
163 V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \ | 168 V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \ |
164 V(PROMISE_THEN_INDEX, JSFunction, promise_then) \ | 169 V(PROMISE_THEN_INDEX, JSFunction, promise_then) \ |
| 170 V(PROMISE_HAS_USER_DEFINED_REJECT_HANDLER_INDEX, JSFunction, \ |
| 171 promise_has_user_defined_reject_handler) \ |
165 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \ | 172 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \ |
166 to_complete_property_descriptor) \ | 173 to_complete_property_descriptor) \ |
| 174 V(JSON_SERIALIZE_ADAPTER_INDEX, JSFunction, json_serialize_adapter) \ |
167 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \ | 175 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \ |
168 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \ | 176 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \ |
169 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \ | 177 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \ |
170 V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate) \ | 178 V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate) \ |
171 V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change) \ | 179 V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change) \ |
172 V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice) \ | 180 V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice) \ |
173 V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice) \ | 181 V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice) \ |
174 V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice) \ | 182 V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice) \ |
175 V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe) \ | 183 V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe) \ |
176 V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier) \ | 184 V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier) \ |
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316 enum { | 324 enum { |
317 // These slots are in all contexts. | 325 // These slots are in all contexts. |
318 CLOSURE_INDEX, | 326 CLOSURE_INDEX, |
319 PREVIOUS_INDEX, | 327 PREVIOUS_INDEX, |
320 // The extension slot is used for either the global object (in global | 328 // The extension slot is used for either the global object (in global |
321 // contexts), eval extension object (function contexts), subject of with | 329 // contexts), eval extension object (function contexts), subject of with |
322 // (with contexts), or the variable name (catch contexts), the serialized | 330 // (with contexts), or the variable name (catch contexts), the serialized |
323 // scope info (block contexts), or the module instance (module contexts). | 331 // scope info (block contexts), or the module instance (module contexts). |
324 EXTENSION_INDEX, | 332 EXTENSION_INDEX, |
325 GLOBAL_OBJECT_INDEX, | 333 GLOBAL_OBJECT_INDEX, |
326 MIN_CONTEXT_SLOTS, | |
327 | |
328 // This slot holds the thrown value in catch contexts. | |
329 THROWN_OBJECT_INDEX = MIN_CONTEXT_SLOTS, | |
330 | 334 |
331 // These slots are only in native contexts. | 335 // These slots are only in native contexts. |
332 GLOBAL_PROXY_INDEX = MIN_CONTEXT_SLOTS, | 336 #define NATIVE_CONTEXT_SLOT(index, type, name) index, |
333 SECURITY_TOKEN_INDEX, | 337 NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_SLOT) |
334 SLOPPY_ARGUMENTS_MAP_INDEX, | 338 #undef NATIVE_CONTEXT_SLOT |
335 FAST_ALIASED_ARGUMENTS_MAP_INDEX, | |
336 SLOW_ALIASED_ARGUMENTS_MAP_INDEX, | |
337 STRICT_ARGUMENTS_MAP_INDEX, | |
338 REGEXP_RESULT_MAP_INDEX, | |
339 SLOPPY_FUNCTION_MAP_INDEX, | |
340 SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, | |
341 STRICT_FUNCTION_MAP_INDEX, | |
342 STRONG_FUNCTION_MAP_INDEX, | |
343 SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, | |
344 STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, | |
345 STRONG_CONSTRUCTOR_MAP_INDEX, | |
346 BOUND_FUNCTION_MAP_INDEX, | |
347 INITIAL_OBJECT_PROTOTYPE_INDEX, | |
348 INITIAL_ARRAY_PROTOTYPE_INDEX, | |
349 BOOLEAN_FUNCTION_INDEX, | |
350 NUMBER_FUNCTION_INDEX, | |
351 STRING_FUNCTION_INDEX, | |
352 STRING_FUNCTION_PROTOTYPE_MAP_INDEX, | |
353 SYMBOL_FUNCTION_INDEX, | |
354 FLOAT32X4_FUNCTION_INDEX, | |
355 INT32X4_FUNCTION_INDEX, | |
356 BOOL32X4_FUNCTION_INDEX, | |
357 INT16X8_FUNCTION_INDEX, | |
358 BOOL16X8_FUNCTION_INDEX, | |
359 INT8X16_FUNCTION_INDEX, | |
360 BOOL8X16_FUNCTION_INDEX, | |
361 OBJECT_FUNCTION_INDEX, | |
362 JS_OBJECT_STRONG_MAP_INDEX, | |
363 INTERNAL_ARRAY_FUNCTION_INDEX, | |
364 ARRAY_FUNCTION_INDEX, | |
365 JS_ARRAY_MAPS_INDEX, | |
366 JS_ARRAY_STRONG_MAPS_INDEX, | |
367 DATE_FUNCTION_INDEX, | |
368 JSON_OBJECT_INDEX, | |
369 REGEXP_FUNCTION_INDEX, | |
370 CREATE_DATE_FUN_INDEX, | |
371 TO_NUMBER_FUN_INDEX, | |
372 TO_STRING_FUN_INDEX, | |
373 TO_DETAIL_STRING_FUN_INDEX, | |
374 TO_INTEGER_FUN_INDEX, | |
375 GLOBAL_EVAL_FUN_INDEX, | |
376 ARRAY_BUFFER_FUN_INDEX, | |
377 ARRAY_BUFFER_MAP_INDEX, | |
378 UINT8_ARRAY_FUN_INDEX, | |
379 INT8_ARRAY_FUN_INDEX, | |
380 UINT16_ARRAY_FUN_INDEX, | |
381 INT16_ARRAY_FUN_INDEX, | |
382 UINT32_ARRAY_FUN_INDEX, | |
383 INT32_ARRAY_FUN_INDEX, | |
384 FLOAT32_ARRAY_FUN_INDEX, | |
385 FLOAT64_ARRAY_FUN_INDEX, | |
386 UINT8_CLAMPED_ARRAY_FUN_INDEX, | |
387 INT8_ARRAY_EXTERNAL_MAP_INDEX, | |
388 UINT8_ARRAY_EXTERNAL_MAP_INDEX, | |
389 INT16_ARRAY_EXTERNAL_MAP_INDEX, | |
390 UINT16_ARRAY_EXTERNAL_MAP_INDEX, | |
391 INT32_ARRAY_EXTERNAL_MAP_INDEX, | |
392 UINT32_ARRAY_EXTERNAL_MAP_INDEX, | |
393 FLOAT32_ARRAY_EXTERNAL_MAP_INDEX, | |
394 FLOAT64_ARRAY_EXTERNAL_MAP_INDEX, | |
395 UINT8_CLAMPED_ARRAY_EXTERNAL_MAP_INDEX, | |
396 DATA_VIEW_FUN_INDEX, | |
397 SHARED_ARRAY_BUFFER_FUN_INDEX, | |
398 MESSAGE_LISTENERS_INDEX, | |
399 MAKE_MESSAGE_FUN_INDEX, | |
400 GET_STACK_TRACE_LINE_INDEX, | |
401 CONFIGURE_GLOBAL_INDEX, | |
402 FUNCTION_CACHE_INDEX, | |
403 NORMALIZED_MAP_CACHE_INDEX, | |
404 RUNTIME_CONTEXT_INDEX, | |
405 CALL_AS_FUNCTION_DELEGATE_INDEX, | |
406 CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, | |
407 SCRIPT_FUNCTION_INDEX, | |
408 OPAQUE_REFERENCE_FUNCTION_INDEX, | |
409 CONTEXT_EXTENSION_FUNCTION_INDEX, | |
410 OUT_OF_MEMORY_INDEX, | |
411 EMBEDDER_DATA_INDEX, | |
412 ALLOW_CODE_GEN_FROM_STRINGS_INDEX, | |
413 ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, | |
414 RUN_MICROTASKS_INDEX, | |
415 ENQUEUE_MICROTASK_INDEX, | |
416 PROMISE_STATUS_INDEX, | |
417 PROMISE_VALUE_INDEX, | |
418 PROMISE_CREATE_INDEX, | |
419 PROMISE_RESOLVE_INDEX, | |
420 PROMISE_REJECT_INDEX, | |
421 PROMISE_CHAIN_INDEX, | |
422 PROMISE_CATCH_INDEX, | |
423 PROMISE_THEN_INDEX, | |
424 TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, | |
425 DERIVED_HAS_TRAP_INDEX, | |
426 DERIVED_GET_TRAP_INDEX, | |
427 DERIVED_SET_TRAP_INDEX, | |
428 PROXY_ENUMERATE_INDEX, | |
429 OBSERVERS_NOTIFY_CHANGE_INDEX, | |
430 OBSERVERS_ENQUEUE_SPLICE_INDEX, | |
431 OBSERVERS_BEGIN_SPLICE_INDEX, | |
432 OBSERVERS_END_SPLICE_INDEX, | |
433 NATIVE_OBJECT_OBSERVE_INDEX, | |
434 NATIVE_OBJECT_GET_NOTIFIER_INDEX, | |
435 NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, | |
436 SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, | |
437 STRICT_GENERATOR_FUNCTION_MAP_INDEX, | |
438 STRONG_GENERATOR_FUNCTION_MAP_INDEX, | |
439 GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, | |
440 ITERATOR_RESULT_MAP_INDEX, | |
441 JS_MAP_FUN_INDEX, | |
442 JS_MAP_MAP_INDEX, | |
443 JS_SET_FUN_INDEX, | |
444 JS_SET_MAP_INDEX, | |
445 MAP_GET_METHOD_INDEX, | |
446 MAP_SET_METHOD_INDEX, | |
447 MAP_HAS_METHOD_INDEX, | |
448 MAP_DELETE_METHOD_INDEX, | |
449 SET_ADD_METHOD_INDEX, | |
450 SET_HAS_METHOD_INDEX, | |
451 SET_DELETE_METHOD_INDEX, | |
452 MAP_FROM_ARRAY_INDEX, | |
453 SET_FROM_ARRAY_INDEX, | |
454 MAP_ITERATOR_MAP_INDEX, | |
455 SET_ITERATOR_MAP_INDEX, | |
456 ARRAY_VALUES_ITERATOR_INDEX, | |
457 SCRIPT_CONTEXT_TABLE_INDEX, | |
458 MAP_CACHE_INDEX, | |
459 STRONG_MAP_CACHE_INDEX, | |
460 TO_LENGTH_FUN_INDEX, | |
461 NATIVES_UTILS_OBJECT_INDEX, | |
462 EXTRAS_EXPORTS_OBJECT_INDEX, | |
463 CODE_STUB_EXPORTS_OBJECT_INDEX, | |
464 | 339 |
465 // Properties from here are treated as weak references by the full GC. | 340 // Properties from here are treated as weak references by the full GC. |
466 // Scavenge treats them as strong references. | 341 // Scavenge treats them as strong references. |
467 OPTIMIZED_FUNCTIONS_LIST, // Weak. | 342 OPTIMIZED_FUNCTIONS_LIST, // Weak. |
468 OPTIMIZED_CODE_LIST, // Weak. | 343 OPTIMIZED_CODE_LIST, // Weak. |
469 DEOPTIMIZED_CODE_LIST, // Weak. | 344 DEOPTIMIZED_CODE_LIST, // Weak. |
470 NEXT_CONTEXT_LINK, // Weak. | 345 NEXT_CONTEXT_LINK, // Weak. |
471 | 346 |
472 // Total number of slots. | 347 // Total number of slots. |
473 NATIVE_CONTEXT_SLOTS, | 348 NATIVE_CONTEXT_SLOTS, |
474 FIRST_WEAK_SLOT = OPTIMIZED_FUNCTIONS_LIST | 349 FIRST_WEAK_SLOT = OPTIMIZED_FUNCTIONS_LIST, |
| 350 |
| 351 MIN_CONTEXT_SLOTS = GLOBAL_PROXY_INDEX, |
| 352 // This slot holds the thrown value in catch contexts. |
| 353 THROWN_OBJECT_INDEX = MIN_CONTEXT_SLOTS, |
475 }; | 354 }; |
476 | 355 |
477 // Direct slot access. | 356 // Direct slot access. |
478 JSFunction* closure() { return JSFunction::cast(get(CLOSURE_INDEX)); } | 357 JSFunction* closure() { return JSFunction::cast(get(CLOSURE_INDEX)); } |
479 void set_closure(JSFunction* closure) { set(CLOSURE_INDEX, closure); } | 358 void set_closure(JSFunction* closure) { set(CLOSURE_INDEX, closure); } |
480 | 359 |
481 Context* previous() { | 360 Context* previous() { |
482 Object* result = unchecked_previous(); | 361 Object* result = unchecked_previous(); |
483 DCHECK(IsBootstrappingOrValidParentContext(result, this)); | 362 DCHECK(IsBootstrappingOrValidParentContext(result, this)); |
484 return reinterpret_cast<Context*>(result); | 363 return reinterpret_cast<Context*>(result); |
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664 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object); | 543 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object); |
665 #endif | 544 #endif |
666 | 545 |
667 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); | 546 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); |
668 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); | 547 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); |
669 }; | 548 }; |
670 | 549 |
671 } } // namespace v8::internal | 550 } } // namespace v8::internal |
672 | 551 |
673 #endif // V8_CONTEXTS_H_ | 552 #endif // V8_CONTEXTS_H_ |
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