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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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145 V(NORMALIZED_MAP_CACHE_INDEX, NormalizedMapCache, normalized_map_cache) \ | 145 V(NORMALIZED_MAP_CACHE_INDEX, NormalizedMapCache, normalized_map_cache) \ |
146 V(RUNTIME_CONTEXT_INDEX, Context, runtime_context) \ | 146 V(RUNTIME_CONTEXT_INDEX, Context, runtime_context) \ |
147 V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \ | 147 V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \ |
148 V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \ | 148 V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \ |
149 call_as_constructor_delegate) \ | 149 call_as_constructor_delegate) \ |
150 V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \ | 150 V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \ |
151 V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \ | 151 V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \ |
152 V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \ | 152 V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \ |
153 V(OUT_OF_MEMORY_INDEX, Object, out_of_memory) \ | 153 V(OUT_OF_MEMORY_INDEX, Object, out_of_memory) \ |
154 V(MAP_CACHE_INDEX, Object, map_cache) \ | 154 V(MAP_CACHE_INDEX, Object, map_cache) \ |
155 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \ | 155 V(CONTEXT_DATA_INDEX, Object, data) \ |
156 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ | 156 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ |
157 V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \ | 157 V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \ |
158 error_message_for_code_gen_from_strings) \ | 158 error_message_for_code_gen_from_strings) \ |
159 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \ | 159 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \ |
160 to_complete_property_descriptor) \ | 160 to_complete_property_descriptor) \ |
161 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \ | 161 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \ |
162 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \ | 162 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \ |
163 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \ | 163 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \ |
164 V(PROXY_ENUMERATE, JSFunction, proxy_enumerate) \ | 164 V(PROXY_ENUMERATE, JSFunction, proxy_enumerate) \ |
165 V(RANDOM_SEED_INDEX, ByteArray, random_seed) | 165 V(RANDOM_SEED_INDEX, ByteArray, random_seed) |
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274 FUNCTION_CACHE_INDEX, | 274 FUNCTION_CACHE_INDEX, |
275 JSFUNCTION_RESULT_CACHES_INDEX, | 275 JSFUNCTION_RESULT_CACHES_INDEX, |
276 NORMALIZED_MAP_CACHE_INDEX, | 276 NORMALIZED_MAP_CACHE_INDEX, |
277 RUNTIME_CONTEXT_INDEX, | 277 RUNTIME_CONTEXT_INDEX, |
278 CALL_AS_FUNCTION_DELEGATE_INDEX, | 278 CALL_AS_FUNCTION_DELEGATE_INDEX, |
279 CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, | 279 CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, |
280 SCRIPT_FUNCTION_INDEX, | 280 SCRIPT_FUNCTION_INDEX, |
281 OPAQUE_REFERENCE_FUNCTION_INDEX, | 281 OPAQUE_REFERENCE_FUNCTION_INDEX, |
282 CONTEXT_EXTENSION_FUNCTION_INDEX, | 282 CONTEXT_EXTENSION_FUNCTION_INDEX, |
283 OUT_OF_MEMORY_INDEX, | 283 OUT_OF_MEMORY_INDEX, |
284 EMBEDDER_DATA_INDEX, | 284 CONTEXT_DATA_INDEX, |
285 ALLOW_CODE_GEN_FROM_STRINGS_INDEX, | 285 ALLOW_CODE_GEN_FROM_STRINGS_INDEX, |
286 ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, | 286 ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, |
287 TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, | 287 TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, |
288 DERIVED_HAS_TRAP_INDEX, | 288 DERIVED_HAS_TRAP_INDEX, |
289 DERIVED_GET_TRAP_INDEX, | 289 DERIVED_GET_TRAP_INDEX, |
290 DERIVED_SET_TRAP_INDEX, | 290 DERIVED_SET_TRAP_INDEX, |
291 PROXY_ENUMERATE, | 291 PROXY_ENUMERATE, |
292 RANDOM_SEED_INDEX, | 292 RANDOM_SEED_INDEX, |
293 | 293 |
294 // Properties from here are treated as weak references by the full GC. | 294 // Properties from here are treated as weak references by the full GC. |
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439 | 439 |
440 private: | 440 private: |
441 // Unchecked access to the slots. | 441 // Unchecked access to the slots. |
442 Object* unchecked_previous() { return get(PREVIOUS_INDEX); } | 442 Object* unchecked_previous() { return get(PREVIOUS_INDEX); } |
443 | 443 |
444 #ifdef DEBUG | 444 #ifdef DEBUG |
445 // Bootstrapping-aware type checks. | 445 // Bootstrapping-aware type checks. |
446 static bool IsBootstrappingOrValidParentContext(Object* object, Context* kid); | 446 static bool IsBootstrappingOrValidParentContext(Object* object, Context* kid); |
447 static bool IsBootstrappingOrGlobalObject(Object* object); | 447 static bool IsBootstrappingOrGlobalObject(Object* object); |
448 #endif | 448 #endif |
449 | |
450 STATIC_CHECK(kHeaderSize == Internals::kContextHeaderSize); | |
451 STATIC_CHECK(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); | |
452 }; | 449 }; |
453 | 450 |
454 } } // namespace v8::internal | 451 } } // namespace v8::internal |
455 | 452 |
456 #endif // V8_CONTEXTS_H_ | 453 #endif // V8_CONTEXTS_H_ |
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