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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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181 native_object_notifier_perform_change) \ | 181 native_object_notifier_perform_change) \ |
182 V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map) \ | 182 V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map) \ |
183 V(STRICT_GENERATOR_FUNCTION_MAP_INDEX, Map, strict_generator_function_map) \ | 183 V(STRICT_GENERATOR_FUNCTION_MAP_INDEX, Map, strict_generator_function_map) \ |
184 V(STRONG_GENERATOR_FUNCTION_MAP_INDEX, Map, strong_generator_function_map) \ | 184 V(STRONG_GENERATOR_FUNCTION_MAP_INDEX, Map, strong_generator_function_map) \ |
185 V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, generator_object_prototype_map) \ | 185 V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, generator_object_prototype_map) \ |
186 V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map) \ | 186 V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map) \ |
187 V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map) \ | 187 V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map) \ |
188 V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map) \ | 188 V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map) \ |
189 V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator) \ | 189 V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator) \ |
190 V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table) \ | 190 V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table) \ |
191 V(NATIVES_UTILS_OBJECT_INDEX, Object, natives_utils_object) \ | 191 V(BUILTIN_EXPORTS_OBJECT_INDEX, Object, builtin_exports_object) \ |
192 V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_exports_object) | 192 V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_exports_object) |
193 | 193 |
194 | 194 |
195 // A table of all script contexts. Every loaded top-level script with top-level | 195 // A table of all script contexts. Every loaded top-level script with top-level |
196 // lexical declarations contributes its ScriptContext into this table. | 196 // lexical declarations contributes its ScriptContext into this table. |
197 // | 197 // |
198 // The table is a fixed array, its first slot is the current used count and | 198 // The table is a fixed array, its first slot is the current used count and |
199 // the subsequent slots 1..used contain ScriptContexts. | 199 // the subsequent slots 1..used contain ScriptContexts. |
200 class ScriptContextTable : public FixedArray { | 200 class ScriptContextTable : public FixedArray { |
201 public: | 201 public: |
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421 STRICT_GENERATOR_FUNCTION_MAP_INDEX, | 421 STRICT_GENERATOR_FUNCTION_MAP_INDEX, |
422 STRONG_GENERATOR_FUNCTION_MAP_INDEX, | 422 STRONG_GENERATOR_FUNCTION_MAP_INDEX, |
423 GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, | 423 GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, |
424 ITERATOR_RESULT_MAP_INDEX, | 424 ITERATOR_RESULT_MAP_INDEX, |
425 MAP_ITERATOR_MAP_INDEX, | 425 MAP_ITERATOR_MAP_INDEX, |
426 SET_ITERATOR_MAP_INDEX, | 426 SET_ITERATOR_MAP_INDEX, |
427 ARRAY_VALUES_ITERATOR_INDEX, | 427 ARRAY_VALUES_ITERATOR_INDEX, |
428 SCRIPT_CONTEXT_TABLE_INDEX, | 428 SCRIPT_CONTEXT_TABLE_INDEX, |
429 MAP_CACHE_INDEX, | 429 MAP_CACHE_INDEX, |
430 TO_LENGTH_FUN_INDEX, | 430 TO_LENGTH_FUN_INDEX, |
431 NATIVES_UTILS_OBJECT_INDEX, | 431 BUILTIN_EXPORTS_OBJECT_INDEX, |
432 EXTRAS_EXPORTS_OBJECT_INDEX, | 432 EXTRAS_EXPORTS_OBJECT_INDEX, |
433 | 433 |
434 // Properties from here are treated as weak references by the full GC. | 434 // Properties from here are treated as weak references by the full GC. |
435 // Scavenge treats them as strong references. | 435 // Scavenge treats them as strong references. |
436 OPTIMIZED_FUNCTIONS_LIST, // Weak. | 436 OPTIMIZED_FUNCTIONS_LIST, // Weak. |
437 OPTIMIZED_CODE_LIST, // Weak. | 437 OPTIMIZED_CODE_LIST, // Weak. |
438 DEOPTIMIZED_CODE_LIST, // Weak. | 438 DEOPTIMIZED_CODE_LIST, // Weak. |
439 NEXT_CONTEXT_LINK, // Weak. | 439 NEXT_CONTEXT_LINK, // Weak. |
440 | 440 |
441 // Total number of slots. | 441 // Total number of slots. |
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630 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object); | 630 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object); |
631 #endif | 631 #endif |
632 | 632 |
633 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); | 633 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); |
634 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); | 634 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); |
635 }; | 635 }; |
636 | 636 |
637 } } // namespace v8::internal | 637 } } // namespace v8::internal |
638 | 638 |
639 #endif // V8_CONTEXTS_H_ | 639 #endif // V8_CONTEXTS_H_ |
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