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Side by Side Diff: src/contexts.h

Issue 1306993003: Call JS functions via native context instead of js builtins object. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 3 months ago
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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
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
68 // 68 //
69 // Contexts are implemented as FixedArray objects; the Context 69 // Contexts are implemented as FixedArray objects; the Context
70 // class is a convenience interface casted on a FixedArray object. 70 // class is a convenience interface casted on a FixedArray object.
71 // 71 //
72 // Note: Context must have no virtual functions and Context objects 72 // Note: Context must have no virtual functions and Context objects
73 // must always be allocated via Heap::AllocateContext() or 73 // must always be allocated via Heap::AllocateContext() or
74 // Factory::NewContext. 74 // Factory::NewContext.
75 75
76 #define NATIVE_CONTEXT_IMPORTED_FIELDS(V) \ 76 #define NATIVE_CONTEXT_IMPORTED_FIELDS(V) \
77 V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator) \ 77 V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator) \
78 V(CONCAT_ITERABLE_TO_ARRAY_INDEX, JSFunction, concat_iterable_to_array) \
78 V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun) \ 79 V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun) \
80 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \
81 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \
82 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \
79 V(ERROR_FUNCTION_INDEX, JSFunction, error_function) \ 83 V(ERROR_FUNCTION_INDEX, JSFunction, error_function) \
80 V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function) \ 84 V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function) \
81 V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \ 85 V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \
86 V(GET_TEMPLATE_CALL_SITE_INDEX, JSFunction, get_template_call_site) \
82 V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \ 87 V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \
83 V(JSON_SERIALIZE_ADAPTER_INDEX, JSFunction, json_serialize_adapter) \ 88 V(JSON_SERIALIZE_ADAPTER_INDEX, JSFunction, json_serialize_adapter) \
84 V(MAKE_ERROR_FUNCTION_INDEX, JSFunction, make_error_function) \ 89 V(MAKE_ERROR_FUNCTION_INDEX, JSFunction, make_error_function) \
90 V(MAKE_RANGE_ERROR_INDEX, JSFunction, make_range_error) \
91 V(MAKE_TYPE_ERROR_INDEX, JSFunction, make_type_error) \
85 V(MAP_DELETE_METHOD_INDEX, JSFunction, map_delete) \ 92 V(MAP_DELETE_METHOD_INDEX, JSFunction, map_delete) \
86 V(MAP_FROM_ARRAY_INDEX, JSFunction, map_from_array) \ 93 V(MAP_FROM_ARRAY_INDEX, JSFunction, map_from_array) \
87 V(MAP_GET_METHOD_INDEX, JSFunction, map_get) \ 94 V(MAP_GET_METHOD_INDEX, JSFunction, map_get) \
88 V(MAP_HAS_METHOD_INDEX, JSFunction, map_has) \ 95 V(MAP_HAS_METHOD_INDEX, JSFunction, map_has) \
89 V(MAP_SET_METHOD_INDEX, JSFunction, map_set) \ 96 V(MAP_SET_METHOD_INDEX, JSFunction, map_set) \
90 V(MESSAGE_GET_COLUMN_NUMBER_INDEX, JSFunction, message_get_column_number) \ 97 V(MESSAGE_GET_COLUMN_NUMBER_INDEX, JSFunction, message_get_column_number) \
91 V(MESSAGE_GET_LINE_NUMBER_INDEX, JSFunction, message_get_line_number) \ 98 V(MESSAGE_GET_LINE_NUMBER_INDEX, JSFunction, message_get_line_number) \
92 V(MESSAGE_GET_SOURCE_LINE_INDEX, JSFunction, message_get_source_line) \ 99 V(MESSAGE_GET_SOURCE_LINE_INDEX, JSFunction, message_get_source_line) \
93 V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier) \ 100 V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier) \
94 V(NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, JSFunction, \ 101 V(NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, JSFunction, \
95 native_object_notifier_perform_change) \ 102 native_object_notifier_perform_change) \
96 V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe) \ 103 V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe) \
97 V(NO_SIDE_EFFECT_TO_STRING_FUN_INDEX, JSFunction, \ 104 V(NO_SIDE_EFFECT_TO_STRING_FUN_INDEX, JSFunction, \
98 no_side_effect_to_string_fun) \ 105 no_side_effect_to_string_fun) \
106 V(NON_NUMBER_TO_NUMBER_INDEX, JSFunction, non_number_to_number) \
107 V(NON_STRING_TO_STRING_INDEX, JSFunction, non_string_to_string) \
99 V(OBJECT_DEFINE_OWN_PROPERTY_INDEX, JSFunction, object_define_own_property) \ 108 V(OBJECT_DEFINE_OWN_PROPERTY_INDEX, JSFunction, object_define_own_property) \
100 V(OBJECT_GET_OWN_PROPERTY_DESCROPTOR_INDEX, JSFunction, \ 109 V(OBJECT_GET_OWN_PROPERTY_DESCROPTOR_INDEX, JSFunction, \
101 object_get_own_property_descriptor) \ 110 object_get_own_property_descriptor) \
102 V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice) \ 111 V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice) \
103 V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice) \ 112 V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice) \
104 V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice) \ 113 V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice) \
105 V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change) \ 114 V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change) \
106 V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \ 115 V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \
107 V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain) \ 116 V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain) \
108 V(PROMISE_CREATE_INDEX, JSFunction, promise_create) \ 117 V(PROMISE_CREATE_INDEX, JSFunction, promise_create) \
109 V(PROMISE_HAS_USER_DEFINED_REJECT_HANDLER_INDEX, JSFunction, \ 118 V(PROMISE_HAS_USER_DEFINED_REJECT_HANDLER_INDEX, JSFunction, \
110 promise_has_user_defined_reject_handler) \ 119 promise_has_user_defined_reject_handler) \
111 V(PROMISE_REJECT_INDEX, JSFunction, promise_reject) \ 120 V(PROMISE_REJECT_INDEX, JSFunction, promise_reject) \
112 V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \ 121 V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \
113 V(PROMISE_THEN_INDEX, JSFunction, promise_then) \ 122 V(PROMISE_THEN_INDEX, JSFunction, promise_then) \
123 V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate) \
114 V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function) \ 124 V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function) \
115 V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function) \ 125 V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function) \
126 V(REFLECT_APPLY_INDEX, JSFunction, reflect_apply) \
127 V(REFLECT_CONSTRUCT_INDEX, JSFunction, reflect_construct) \
116 V(SET_ADD_METHOD_INDEX, JSFunction, set_add) \ 128 V(SET_ADD_METHOD_INDEX, JSFunction, set_add) \
117 V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete) \ 129 V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete) \
118 V(SET_FROM_ARRAY_INDEX, JSFunction, set_from_array) \ 130 V(SET_FROM_ARRAY_INDEX, JSFunction, set_from_array) \
119 V(SET_HAS_METHOD_INDEX, JSFunction, set_has) \ 131 V(SET_HAS_METHOD_INDEX, JSFunction, set_has) \
132 V(SPREAD_ARGUMENTS_INDEX, JSFunction, spread_arguments) \
133 V(SPREAD_ITERABLE_INDEX, JSFunction, spread_iterable) \
120 V(STACK_OVERFLOW_BOILERPLATE_INDEX, JSObject, stack_overflow_boilerplate) \ 134 V(STACK_OVERFLOW_BOILERPLATE_INDEX, JSObject, stack_overflow_boilerplate) \
121 V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function) \ 135 V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function) \
122 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \ 136 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \
123 to_complete_property_descriptor) \ 137 to_complete_property_descriptor) \
124 V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun) \ 138 V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun) \
125 V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun) \ 139 V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun) \
126 V(TO_LENGTH_FUN_INDEX, JSFunction, to_length_fun) \ 140 V(TO_LENGTH_FUN_INDEX, JSFunction, to_length_fun) \
141 V(TO_NAME_INDEX, JSFunction, to_name) \
127 V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun) \ 142 V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun) \
143 V(TO_PRIMITIVE_INDEX, JSFunction, to_primitive) \
128 V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun) \ 144 V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun) \
129 V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function) \ 145 V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function) \
130 V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function) 146 V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function)
131 147
132 #define NATIVE_CONTEXT_IMPORTED_FIELDS_FOR_PROXY(V) \
133 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \
134 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \
135 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \
136 V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate)
137 148
138 #define NATIVE_CONTEXT_FIELDS(V) \ 149 #define NATIVE_CONTEXT_FIELDS(V) \
139 V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object) \ 150 V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object) \
140 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \ 151 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \
141 /* Below is alpha-sorted */ \ 152 /* Below is alpha-sorted */ \
142 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ 153 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \
143 V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \ 154 V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \
144 V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map) \ 155 V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map) \
145 V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \ 156 V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \
146 V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function) \ 157 V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function) \
(...skipping 65 matching lines...) Expand 10 before | Expand all | Expand 10 after
212 V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map) \ 223 V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map) \
213 V(STRONG_CONSTRUCTOR_MAP_INDEX, Map, strong_constructor_map) \ 224 V(STRONG_CONSTRUCTOR_MAP_INDEX, Map, strong_constructor_map) \
214 V(STRONG_FUNCTION_MAP_INDEX, Map, strong_function_map) \ 225 V(STRONG_FUNCTION_MAP_INDEX, Map, strong_function_map) \
215 V(STRONG_GENERATOR_FUNCTION_MAP_INDEX, Map, strong_generator_function_map) \ 226 V(STRONG_GENERATOR_FUNCTION_MAP_INDEX, Map, strong_generator_function_map) \
216 V(STRONG_MAP_CACHE_INDEX, Object, strong_map_cache) \ 227 V(STRONG_MAP_CACHE_INDEX, Object, strong_map_cache) \
217 V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function) \ 228 V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function) \
218 V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \ 229 V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \
219 V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \ 230 V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \
220 V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \ 231 V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \
221 V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun) \ 232 V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun) \
222 NATIVE_CONTEXT_IMPORTED_FIELDS(V) \ 233 NATIVE_CONTEXT_IMPORTED_FIELDS(V)
223 NATIVE_CONTEXT_IMPORTED_FIELDS_FOR_PROXY(V)
224 234
225 // A table of all script contexts. Every loaded top-level script with top-level 235 // A table of all script contexts. Every loaded top-level script with top-level
226 // lexical declarations contributes its ScriptContext into this table. 236 // lexical declarations contributes its ScriptContext into this table.
227 // 237 //
228 // The table is a fixed array, its first slot is the current used count and 238 // The table is a fixed array, its first slot is the current used count and
229 // the subsequent slots 1..used contain ScriptContexts. 239 // the subsequent slots 1..used contain ScriptContexts.
230 class ScriptContextTable : public FixedArray { 240 class ScriptContextTable : public FixedArray {
231 public: 241 public:
232 // Conversions. 242 // Conversions.
233 static ScriptContextTable* cast(Object* context) { 243 static ScriptContextTable* cast(Object* context) {
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after
329 339
330 class Context: public FixedArray { 340 class Context: public FixedArray {
331 public: 341 public:
332 // Conversions. 342 // Conversions.
333 static Context* cast(Object* context) { 343 static Context* cast(Object* context) {
334 DCHECK(context->IsContext()); 344 DCHECK(context->IsContext());
335 return reinterpret_cast<Context*>(context); 345 return reinterpret_cast<Context*>(context);
336 } 346 }
337 347
338 // The default context slot layout; indices are FixedArray slot indices. 348 // The default context slot layout; indices are FixedArray slot indices.
339 enum { 349 enum Index {
340 // These slots are in all contexts. 350 // These slots are in all contexts.
341 CLOSURE_INDEX, 351 CLOSURE_INDEX,
342 PREVIOUS_INDEX, 352 PREVIOUS_INDEX,
343 // The extension slot is used for either the global object (in global 353 // The extension slot is used for either the global object (in global
344 // contexts), eval extension object (function contexts), subject of with 354 // contexts), eval extension object (function contexts), subject of with
345 // (with contexts), or the variable name (catch contexts), the serialized 355 // (with contexts), or the variable name (catch contexts), the serialized
346 // scope info (block contexts), or the module instance (module contexts). 356 // scope info (block contexts), or the module instance (module contexts).
347 EXTENSION_INDEX, 357 EXTENSION_INDEX,
348 GLOBAL_OBJECT_INDEX, 358 GLOBAL_OBJECT_INDEX,
349 359
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563 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object); 573 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object);
564 #endif 574 #endif
565 575
566 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); 576 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
567 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); 577 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
568 }; 578 };
569 579
570 } } // namespace v8::internal 580 } } // namespace v8::internal
571 581
572 #endif // V8_CONTEXTS_H_ 582 #endif // V8_CONTEXTS_H_
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