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Side by Side Diff: src/contexts.h

Issue 375503008: Only create arguments-maps in the bootstrapper, remove now obsolete ValueType flag. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 5 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.h" 8 #include "src/heap.h"
9 #include "src/objects.h" 9 #include "src/objects.h"
10 10
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66 66
67 // Heap-allocated activation contexts. 67 // Heap-allocated activation contexts.
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_FIELDS(V) \ 76 #define NATIVE_CONTEXT_FIELDS(V) \
77 V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object) \ 77 V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object) \
78 V(SECURITY_TOKEN_INDEX, Object, security_token) \ 78 V(SECURITY_TOKEN_INDEX, Object, security_token) \
79 V(BOOLEAN_FUNCTION_INDEX, JSFunction, boolean_function) \ 79 V(BOOLEAN_FUNCTION_INDEX, JSFunction, boolean_function) \
80 V(NUMBER_FUNCTION_INDEX, JSFunction, number_function) \ 80 V(NUMBER_FUNCTION_INDEX, JSFunction, number_function) \
81 V(STRING_FUNCTION_INDEX, JSFunction, string_function) \ 81 V(STRING_FUNCTION_INDEX, JSFunction, string_function) \
82 V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map) \ 82 V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map) \
83 V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function) \ 83 V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function) \
84 V(OBJECT_FUNCTION_INDEX, JSFunction, object_function) \ 84 V(OBJECT_FUNCTION_INDEX, JSFunction, object_function) \
85 V(INTERNAL_ARRAY_FUNCTION_INDEX, JSFunction, internal_array_function) \ 85 V(INTERNAL_ARRAY_FUNCTION_INDEX, JSFunction, internal_array_function) \
86 V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \ 86 V(ARRAY_FUNCTION_INDEX, JSFunction, array_function) \
87 V(JS_ARRAY_MAPS_INDEX, Object, js_array_maps) \ 87 V(JS_ARRAY_MAPS_INDEX, Object, js_array_maps) \
88 V(DATE_FUNCTION_INDEX, JSFunction, date_function) \ 88 V(DATE_FUNCTION_INDEX, JSFunction, date_function) \
89 V(JSON_OBJECT_INDEX, JSObject, json_object) \ 89 V(JSON_OBJECT_INDEX, JSObject, json_object) \
90 V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function) \ 90 V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function) \
91 V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype) \ 91 V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype) \
92 V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype) \ 92 V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype) \
93 V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun) \ 93 V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun) \
94 V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun) \ 94 V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun) \
95 V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun) \ 95 V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun) \
96 V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun) \ 96 V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun) \
97 V(TO_OBJECT_FUN_INDEX, JSFunction, to_object_fun) \ 97 V(TO_OBJECT_FUN_INDEX, JSFunction, to_object_fun) \
98 V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun) \ 98 V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun) \
99 V(TO_UINT32_FUN_INDEX, JSFunction, to_uint32_fun) \ 99 V(TO_UINT32_FUN_INDEX, JSFunction, to_uint32_fun) \
100 V(TO_INT32_FUN_INDEX, JSFunction, to_int32_fun) \ 100 V(TO_INT32_FUN_INDEX, JSFunction, to_int32_fun) \
101 V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \ 101 V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun) \
102 V(INSTANTIATE_FUN_INDEX, JSFunction, instantiate_fun) \ 102 V(INSTANTIATE_FUN_INDEX, JSFunction, instantiate_fun) \
103 V(CONFIGURE_INSTANCE_FUN_INDEX, JSFunction, configure_instance_fun) \ 103 V(CONFIGURE_INSTANCE_FUN_INDEX, JSFunction, configure_instance_fun) \
104 V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \ 104 V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun) \
105 V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \ 105 V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun) \
106 V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun) \ 106 V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun) \
107 V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \ 107 V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun) \
108 V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun) \ 108 V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun) \
109 V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \ 109 V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun) \
110 V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun) \ 110 V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun) \
111 V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun) \ 111 V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun) \
112 V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun) \ 112 V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun) \
113 V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun) \ 113 V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun) \
114 V(INT8_ARRAY_EXTERNAL_MAP_INDEX, Map, int8_array_external_map) \ 114 V(INT8_ARRAY_EXTERNAL_MAP_INDEX, Map, int8_array_external_map) \
115 V(UINT8_ARRAY_EXTERNAL_MAP_INDEX, Map, uint8_array_external_map) \ 115 V(UINT8_ARRAY_EXTERNAL_MAP_INDEX, Map, uint8_array_external_map) \
116 V(INT16_ARRAY_EXTERNAL_MAP_INDEX, Map, int16_array_external_map) \ 116 V(INT16_ARRAY_EXTERNAL_MAP_INDEX, Map, int16_array_external_map) \
117 V(UINT16_ARRAY_EXTERNAL_MAP_INDEX, Map, uint16_array_external_map) \ 117 V(UINT16_ARRAY_EXTERNAL_MAP_INDEX, Map, uint16_array_external_map) \
118 V(INT32_ARRAY_EXTERNAL_MAP_INDEX, Map, int32_array_external_map) \ 118 V(INT32_ARRAY_EXTERNAL_MAP_INDEX, Map, int32_array_external_map) \
119 V(UINT32_ARRAY_EXTERNAL_MAP_INDEX, Map, uint32_array_external_map) \ 119 V(UINT32_ARRAY_EXTERNAL_MAP_INDEX, Map, uint32_array_external_map) \
120 V(FLOAT32_ARRAY_EXTERNAL_MAP_INDEX, Map, float32_array_external_map) \ 120 V(FLOAT32_ARRAY_EXTERNAL_MAP_INDEX, Map, float32_array_external_map) \
121 V(FLOAT64_ARRAY_EXTERNAL_MAP_INDEX, Map, float64_array_external_map) \ 121 V(FLOAT64_ARRAY_EXTERNAL_MAP_INDEX, Map, float64_array_external_map) \
122 V(UINT8_CLAMPED_ARRAY_EXTERNAL_MAP_INDEX, Map, \ 122 V(UINT8_CLAMPED_ARRAY_EXTERNAL_MAP_INDEX, Map, \
123 uint8_clamped_array_external_map) \ 123 uint8_clamped_array_external_map) \
124 V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun) \ 124 V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun) \
125 V(SLOPPY_FUNCTION_MAP_INDEX, Map, sloppy_function_map) \ 125 V(SLOPPY_FUNCTION_MAP_INDEX, Map, sloppy_function_map) \
126 V(SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, Map, \ 126 V(SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, Map, \
127 sloppy_function_with_readonly_prototype_map) \ 127 sloppy_function_with_readonly_prototype_map) \
128 V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map) \ 128 V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map) \
129 V(SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \ 129 V(SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \
130 sloppy_function_without_prototype_map) \ 130 sloppy_function_without_prototype_map) \
131 V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \ 131 V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map, \
132 strict_function_without_prototype_map) \ 132 strict_function_without_prototype_map) \
133 V(BOUND_FUNCTION_MAP_INDEX, Map, bound_function_map) \ 133 V(BOUND_FUNCTION_MAP_INDEX, Map, bound_function_map) \
134 V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map)\ 134 V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map) \
135 V(SLOPPY_ARGUMENTS_BOILERPLATE_INDEX, JSObject, \ 135 V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map) \
136 sloppy_arguments_boilerplate) \ 136 V(ALIASED_ARGUMENTS_MAP_INDEX, Map, aliased_arguments_map) \
137 V(ALIASED_ARGUMENTS_BOILERPLATE_INDEX, JSObject, \ 137 V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map) \
138 aliased_arguments_boilerplate) \ 138 V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners) \
139 V(STRICT_ARGUMENTS_BOILERPLATE_INDEX, JSObject, \ 139 V(MAKE_MESSAGE_FUN_INDEX, JSFunction, make_message_fun) \
140 strict_arguments_boilerplate) \ 140 V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \
141 V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners) \ 141 V(CONFIGURE_GLOBAL_INDEX, JSFunction, configure_global_fun) \
142 V(MAKE_MESSAGE_FUN_INDEX, JSFunction, make_message_fun) \ 142 V(FUNCTION_CACHE_INDEX, JSObject, function_cache) \
143 V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun) \ 143 V(JSFUNCTION_RESULT_CACHES_INDEX, FixedArray, jsfunction_result_caches) \
144 V(CONFIGURE_GLOBAL_INDEX, JSFunction, configure_global_fun) \ 144 V(NORMALIZED_MAP_CACHE_INDEX, NormalizedMapCache, normalized_map_cache) \
145 V(FUNCTION_CACHE_INDEX, JSObject, function_cache) \ 145 V(RUNTIME_CONTEXT_INDEX, Context, runtime_context) \
146 V(JSFUNCTION_RESULT_CACHES_INDEX, FixedArray, jsfunction_result_caches) \ 146 V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \
147 V(NORMALIZED_MAP_CACHE_INDEX, NormalizedMapCache, normalized_map_cache) \ 147 V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \
148 V(RUNTIME_CONTEXT_INDEX, Context, runtime_context) \ 148 call_as_constructor_delegate) \
149 V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate) \ 149 V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \
150 V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction, \ 150 V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \
151 call_as_constructor_delegate) \ 151 V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \
152 V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function) \ 152 V(MAP_CACHE_INDEX, Object, map_cache) \
153 V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function) \ 153 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \
154 V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function) \ 154 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \
155 V(MAP_CACHE_INDEX, Object, map_cache) \ 155 V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \
156 V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data) \ 156 error_message_for_code_gen_from_strings) \
157 V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings) \ 157 V(IS_PROMISE_INDEX, JSFunction, is_promise) \
158 V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object, \ 158 V(PROMISE_CREATE_INDEX, JSFunction, promise_create) \
159 error_message_for_code_gen_from_strings) \ 159 V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \
160 V(IS_PROMISE_INDEX, JSFunction, is_promise) \ 160 V(PROMISE_REJECT_INDEX, JSFunction, promise_reject) \
161 V(PROMISE_CREATE_INDEX, JSFunction, promise_create) \ 161 V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain) \
162 V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve) \ 162 V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \
163 V(PROMISE_REJECT_INDEX, JSFunction, promise_reject) \ 163 V(PROMISE_THEN_INDEX, JSFunction, promise_then) \
164 V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain) \ 164 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \
165 V(PROMISE_CATCH_INDEX, JSFunction, promise_catch) \ 165 to_complete_property_descriptor) \
166 V(PROMISE_THEN_INDEX, JSFunction, promise_then) \ 166 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \
167 V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction, \ 167 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \
168 to_complete_property_descriptor) \ 168 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \
169 V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap) \ 169 V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate) \
170 V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap) \ 170 V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change) \
171 V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap) \ 171 V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice) \
172 V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate) \ 172 V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice) \
173 V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change) \ 173 V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice) \
174 V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice) \ 174 V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe) \
175 V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, \ 175 V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier) \
176 observers_begin_perform_splice) \ 176 V(NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, JSFunction, \
177 V(OBSERVERS_END_SPLICE_INDEX, JSFunction, \ 177 native_object_notifier_perform_change) \
178 observers_end_perform_splice) \ 178 V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map) \
179 V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, \ 179 V(STRICT_GENERATOR_FUNCTION_MAP_INDEX, Map, strict_generator_function_map) \
180 native_object_observe) \ 180 V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, generator_object_prototype_map) \
181 V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, \ 181 V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map) \
182 native_object_get_notifier) \ 182 V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map) \
183 V(NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, JSFunction, \ 183 V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map) \
184 native_object_notifier_perform_change) \
185 V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map) \
186 V(STRICT_GENERATOR_FUNCTION_MAP_INDEX, Map, strict_generator_function_map) \
187 V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, \
188 generator_object_prototype_map) \
189 V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map) \
190 V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map) \
191 V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map) \
192 V(ITERATOR_SYMBOL_INDEX, Symbol, iterator_symbol) 184 V(ITERATOR_SYMBOL_INDEX, Symbol, iterator_symbol)
193 185
194 // JSFunctions are pairs (context, function code), sometimes also called 186 // JSFunctions are pairs (context, function code), sometimes also called
195 // closures. A Context object is used to represent function contexts and 187 // closures. A Context object is used to represent function contexts and
196 // dynamically pushed 'with' contexts (or 'scopes' in ECMA-262 speak). 188 // dynamically pushed 'with' contexts (or 'scopes' in ECMA-262 speak).
197 // 189 //
198 // At runtime, the contexts build a stack in parallel to the execution 190 // At runtime, the contexts build a stack in parallel to the execution
199 // stack, with the top-most context being the current context. All contexts 191 // stack, with the top-most context being the current context. All contexts
200 // have the following slots: 192 // have the following slots:
201 // 193 //
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256 EXTENSION_INDEX, 248 EXTENSION_INDEX,
257 GLOBAL_OBJECT_INDEX, 249 GLOBAL_OBJECT_INDEX,
258 MIN_CONTEXT_SLOTS, 250 MIN_CONTEXT_SLOTS,
259 251
260 // This slot holds the thrown value in catch contexts. 252 // This slot holds the thrown value in catch contexts.
261 THROWN_OBJECT_INDEX = MIN_CONTEXT_SLOTS, 253 THROWN_OBJECT_INDEX = MIN_CONTEXT_SLOTS,
262 254
263 // These slots are only in native contexts. 255 // These slots are only in native contexts.
264 GLOBAL_PROXY_INDEX = MIN_CONTEXT_SLOTS, 256 GLOBAL_PROXY_INDEX = MIN_CONTEXT_SLOTS,
265 SECURITY_TOKEN_INDEX, 257 SECURITY_TOKEN_INDEX,
266 SLOPPY_ARGUMENTS_BOILERPLATE_INDEX, 258 SLOPPY_ARGUMENTS_MAP_INDEX,
267 ALIASED_ARGUMENTS_BOILERPLATE_INDEX, 259 ALIASED_ARGUMENTS_MAP_INDEX,
268 STRICT_ARGUMENTS_BOILERPLATE_INDEX, 260 STRICT_ARGUMENTS_MAP_INDEX,
269 REGEXP_RESULT_MAP_INDEX, 261 REGEXP_RESULT_MAP_INDEX,
270 SLOPPY_FUNCTION_MAP_INDEX, 262 SLOPPY_FUNCTION_MAP_INDEX,
271 SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, 263 SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX,
272 STRICT_FUNCTION_MAP_INDEX, 264 STRICT_FUNCTION_MAP_INDEX,
273 SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, 265 SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX,
274 STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, 266 STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX,
275 BOUND_FUNCTION_MAP_INDEX, 267 BOUND_FUNCTION_MAP_INDEX,
276 INITIAL_OBJECT_PROTOTYPE_INDEX, 268 INITIAL_OBJECT_PROTOTYPE_INDEX,
277 INITIAL_ARRAY_PROTOTYPE_INDEX, 269 INITIAL_ARRAY_PROTOTYPE_INDEX,
278 BOOLEAN_FUNCTION_INDEX, 270 BOOLEAN_FUNCTION_INDEX,
(...skipping 89 matching lines...) Expand 10 before | Expand all | Expand 10 after
368 // Properties from here are treated as weak references by the full GC. 360 // Properties from here are treated as weak references by the full GC.
369 // Scavenge treats them as strong references. 361 // Scavenge treats them as strong references.
370 OPTIMIZED_FUNCTIONS_LIST, // Weak. 362 OPTIMIZED_FUNCTIONS_LIST, // Weak.
371 OPTIMIZED_CODE_LIST, // Weak. 363 OPTIMIZED_CODE_LIST, // Weak.
372 DEOPTIMIZED_CODE_LIST, // Weak. 364 DEOPTIMIZED_CODE_LIST, // Weak.
373 MAP_CACHE_INDEX, // Weak. 365 MAP_CACHE_INDEX, // Weak.
374 NEXT_CONTEXT_LINK, // Weak. 366 NEXT_CONTEXT_LINK, // Weak.
375 367
376 // Total number of slots. 368 // Total number of slots.
377 NATIVE_CONTEXT_SLOTS, 369 NATIVE_CONTEXT_SLOTS,
378
379 FIRST_WEAK_SLOT = OPTIMIZED_FUNCTIONS_LIST 370 FIRST_WEAK_SLOT = OPTIMIZED_FUNCTIONS_LIST
380 }; 371 };
381 372
382 // Direct slot access. 373 // Direct slot access.
383 JSFunction* closure() { return JSFunction::cast(get(CLOSURE_INDEX)); } 374 JSFunction* closure() { return JSFunction::cast(get(CLOSURE_INDEX)); }
384 void set_closure(JSFunction* closure) { set(CLOSURE_INDEX, closure); } 375 void set_closure(JSFunction* closure) { set(CLOSURE_INDEX, closure); }
385 376
386 Context* previous() { 377 Context* previous() {
387 Object* result = unchecked_previous(); 378 Object* result = unchecked_previous();
388 ASSERT(IsBootstrappingOrValidParentContext(result, this)); 379 ASSERT(IsBootstrappingOrValidParentContext(result, this));
(...skipping 162 matching lines...) Expand 10 before | Expand all | Expand 10 after
551 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object); 542 static bool IsBootstrappingOrGlobalObject(Isolate* isolate, Object* object);
552 #endif 543 #endif
553 544
554 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize); 545 STATIC_ASSERT(kHeaderSize == Internals::kContextHeaderSize);
555 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex); 546 STATIC_ASSERT(EMBEDDER_DATA_INDEX == Internals::kContextEmbedderDataIndex);
556 }; 547 };
557 548
558 } } // namespace v8::internal 549 } } // namespace v8::internal
559 550
560 #endif // V8_CONTEXTS_H_ 551 #endif // V8_CONTEXTS_H_
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