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Issue 614083002: Use symbols instead of hidden properties for i18n markers. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 2 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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #include "src/accessors.h" 7 #include "src/accessors.h"
8 #include "src/api.h" 8 #include "src/api.h"
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/once.h" 10 #include "src/base/once.h"
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2861 set_symbol_registry(undefined_value()); 2861 set_symbol_registry(undefined_value());
2862 2862
2863 // Allocate object to hold object observation state. 2863 // Allocate object to hold object observation state.
2864 set_observation_state(*factory->NewJSObjectFromMap( 2864 set_observation_state(*factory->NewJSObjectFromMap(
2865 factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize))); 2865 factory->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize)));
2866 2866
2867 // Microtask queue uses the empty fixed array as a sentinel for "empty". 2867 // Microtask queue uses the empty fixed array as a sentinel for "empty".
2868 // Number of queued microtasks stored in Isolate::pending_microtask_count(). 2868 // Number of queued microtasks stored in Isolate::pending_microtask_count().
2869 set_microtask_queue(empty_fixed_array()); 2869 set_microtask_queue(empty_fixed_array());
2870 2870
2871 set_detailed_stack_trace_symbol(*factory->NewPrivateOwnSymbol()); 2871 #define SYMBOL_INIT(name) \
2872 set_elements_transition_symbol(*factory->NewPrivateOwnSymbol()); 2872 roots_[k##name##RootIndex] = *factory->NewPrivateOwnSymbol();
2873 set_frozen_symbol(*factory->NewPrivateOwnSymbol()); 2873 PRIVATE_SYMBOL_LIST(SYMBOL_INIT)
2874 set_megamorphic_symbol(*factory->NewPrivateOwnSymbol()); 2874 #undef SYMBOL_INIT
2875 set_premonomorphic_symbol(*factory->NewPrivateOwnSymbol());
2876 set_generic_symbol(*factory->NewPrivateOwnSymbol());
2877 set_nonexistent_symbol(*factory->NewPrivateOwnSymbol());
2878 set_normal_ic_symbol(*factory->NewPrivateOwnSymbol());
2879 set_observed_symbol(*factory->NewPrivateOwnSymbol());
2880 set_stack_trace_symbol(*factory->NewPrivateOwnSymbol());
2881 set_uninitialized_symbol(*factory->NewPrivateOwnSymbol());
2882 set_home_object_symbol(*factory->NewPrivateOwnSymbol());
2883 2875
2884 Handle<SeededNumberDictionary> slow_element_dictionary = 2876 Handle<SeededNumberDictionary> slow_element_dictionary =
2885 SeededNumberDictionary::New(isolate(), 0, TENURED); 2877 SeededNumberDictionary::New(isolate(), 0, TENURED);
2886 slow_element_dictionary->set_requires_slow_elements(); 2878 slow_element_dictionary->set_requires_slow_elements();
2887 set_empty_slow_element_dictionary(*slow_element_dictionary); 2879 set_empty_slow_element_dictionary(*slow_element_dictionary);
2888 2880
2889 set_materialized_objects(*factory->NewFixedArray(0, TENURED)); 2881 set_materialized_objects(*factory->NewFixedArray(0, TENURED));
2890 2882
2891 // Handling of script id generation is in Factory::NewScript. 2883 // Handling of script id generation is in Factory::NewScript.
2892 set_last_script_id(Smi::FromInt(v8::UnboundScript::kNoScriptId)); 2884 set_last_script_id(Smi::FromInt(v8::UnboundScript::kNoScriptId));
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6150 static_cast<int>(object_sizes_last_time_[index])); 6142 static_cast<int>(object_sizes_last_time_[index]));
6151 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT) 6143 CODE_AGE_LIST_COMPLETE(ADJUST_LAST_TIME_OBJECT_COUNT)
6152 #undef ADJUST_LAST_TIME_OBJECT_COUNT 6144 #undef ADJUST_LAST_TIME_OBJECT_COUNT
6153 6145
6154 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_)); 6146 MemCopy(object_counts_last_time_, object_counts_, sizeof(object_counts_));
6155 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_)); 6147 MemCopy(object_sizes_last_time_, object_sizes_, sizeof(object_sizes_));
6156 ClearObjectStats(); 6148 ClearObjectStats();
6157 } 6149 }
6158 } 6150 }
6159 } // namespace v8::internal 6151 } // namespace v8::internal
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