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-rw-r--r--Source/JavaScriptCore/runtime/JSNameScope.h90
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diff --git a/Source/JavaScriptCore/runtime/JSNameScope.h b/Source/JavaScriptCore/runtime/JSNameScope.h
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--- a/Source/JavaScriptCore/runtime/JSNameScope.h
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-/*
- * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef JSNameScope_h
-#define JSNameScope_h
-
-#include "JSGlobalObject.h"
-#include "JSVariableObject.h"
-
-namespace JSC {
-
-// Used for scopes with a single named variable: catch and named function expression.
-class JSNameScope : public JSVariableObject {
-public:
- typedef JSVariableObject Base;
-
- static JSNameScope* create(ExecState* exec, const Identifier& identifier, JSValue value, unsigned attributes)
- {
- VM& vm = exec->vm();
- JSNameScope* scopeObject = new (NotNull, allocateCell<JSNameScope>(vm.heap)) JSNameScope(exec, exec->scope());
- scopeObject->finishCreation(vm, identifier, value, attributes);
- return scopeObject;
- }
-
- static JSNameScope* create(ExecState* exec, const Identifier& identifier, JSValue value, unsigned attributes, JSScope* next)
- {
- VM& vm = exec->vm();
- JSNameScope* scopeObject = new (NotNull, allocateCell<JSNameScope>(vm.heap)) JSNameScope(exec, next);
- scopeObject->finishCreation(vm, identifier, value, attributes);
- return scopeObject;
- }
-
- static void visitChildren(JSCell*, SlotVisitor&);
- static JSValue toThis(JSCell*, ExecState*, ECMAMode);
- static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
- static void put(JSCell*, ExecState*, PropertyName, JSValue, PutPropertySlot&);
-
- static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto) { return Structure::create(vm, globalObject, proto, TypeInfo(NameScopeObjectType, StructureFlags), info()); }
-
- DECLARE_INFO;
-
-protected:
- void finishCreation(VM& vm, const Identifier& identifier, JSValue value, unsigned attributes)
- {
- Base::finishCreation(vm);
- m_registerStore.set(vm, this, value);
- symbolTable()->add(identifier.impl(), SymbolTableEntry(-1, attributes));
- }
-
- static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesVisitChildren | Base::StructureFlags;
-
-private:
- JSNameScope(ExecState* exec, JSScope* next)
- : Base(
- exec->vm(),
- exec->lexicalGlobalObject()->nameScopeStructure(),
- reinterpret_cast<Register*>(&m_registerStore + 1),
- next
- )
- {
- }
-
- WriteBarrier<Unknown> m_registerStore;
-};
-
-}
-
-#endif // JSNameScope_h