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Issue 1178903003: Add script context with context-allocated "const this" (Closed) Base URL: https://chromium.googlesource.com/v8/v8@master
Patch Set: Add test Created 5 years, 6 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_OBJECTS_H_ 5 #ifndef V8_OBJECTS_H_
6 #define V8_OBJECTS_H_ 6 #define V8_OBJECTS_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 9
10 #include "src/allocation.h" 10 #include "src/allocation.h"
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4048 bool block_scope_is_class_scope(); 4048 bool block_scope_is_class_scope();
4049 FunctionKind function_kind(); 4049 FunctionKind function_kind();
4050 4050
4051 // Copies all the context locals into an object used to materialize a scope. 4051 // Copies all the context locals into an object used to materialize a scope.
4052 static bool CopyContextLocalsToScopeObject(Handle<ScopeInfo> scope_info, 4052 static bool CopyContextLocalsToScopeObject(Handle<ScopeInfo> scope_info,
4053 Handle<Context> context, 4053 Handle<Context> context,
4054 Handle<JSObject> scope_object); 4054 Handle<JSObject> scope_object);
4055 4055
4056 4056
4057 static Handle<ScopeInfo> Create(Isolate* isolate, Zone* zone, Scope* scope); 4057 static Handle<ScopeInfo> Create(Isolate* isolate, Zone* zone, Scope* scope);
4058 static Handle<ScopeInfo> CreateGlobalThisBinding(Isolate* isolate);
4058 4059
4059 // Serializes empty scope info. 4060 // Serializes empty scope info.
4060 static ScopeInfo* Empty(Isolate* isolate); 4061 static ScopeInfo* Empty(Isolate* isolate);
4061 4062
4062 #ifdef DEBUG 4063 #ifdef DEBUG
4063 void Print(); 4064 void Print();
4064 #endif 4065 #endif
4065 4066
4066 // The layout of the static part of a ScopeInfo is as follows. Each entry is 4067 // The layout of the static part of a ScopeInfo is as follows. Each entry is
4067 // numeric and occupies one array slot. 4068 // numeric and occupies one array slot.
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10844 } else { 10845 } else {
10845 value &= ~(1 << bit_position); 10846 value &= ~(1 << bit_position);
10846 } 10847 }
10847 return value; 10848 return value;
10848 } 10849 }
10849 }; 10850 };
10850 10851
10851 } } // namespace v8::internal 10852 } } // namespace v8::internal
10852 10853
10853 #endif // V8_OBJECTS_H_ 10854 #endif // V8_OBJECTS_H_
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