| 1 | /*
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| 2 | * Copyright (C) 2008, 2009 Apple Inc. All Rights Reserved.
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| 3 | *
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| 4 | * Redistribution and use in source and binary forms, with or without
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| 5 | * modification, are permitted provided that the following conditions
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| 6 | * are met:
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| 7 | * 1. Redistributions of source code must retain the above copyright
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| 8 | * notice, this list of conditions and the following disclaimer.
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer in the
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| 11 | * documentation and/or other materials provided with the distribution.
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| 12 | *
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| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 24 | */
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| 25 |
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| 26 | #ifndef JSStaticScopeObject_h
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| 27 | #define JSStaticScopeObject_h
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| 28 |
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| 29 | #include "JSVariableObject.h"
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| 30 |
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| 31 | namespace JSC{
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| 32 |
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| 33 | class JSStaticScopeObject : public JSVariableObject {
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| 34 | protected:
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| 35 | using JSVariableObject::JSVariableObjectData;
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| 36 | struct JSStaticScopeObjectData : public JSVariableObjectData {
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| 37 | JSStaticScopeObjectData()
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| 38 | : JSVariableObjectData(&symbolTable, ®isterStore + 1)
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| 39 | {
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| 40 | }
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| 41 | SymbolTable symbolTable;
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| 42 | Register registerStore;
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| 43 | };
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| 44 |
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| 45 | public:
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| 46 | JSStaticScopeObject(ExecState* exec, const Identifier& ident, JSValue value, unsigned attributes)
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| 47 | : JSVariableObject(exec->globalData().staticScopeStructure, new JSStaticScopeObjectData())
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| 48 | {
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| 49 | d()->registerStore = value;
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| 50 | symbolTable().add(ident.ustring().rep(), SymbolTableEntry(-1, attributes));
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| 51 | }
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| 52 | virtual ~JSStaticScopeObject();
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| 53 | virtual void markChildren(MarkStack&);
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| 54 | bool isDynamicScope() const;
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| 55 | virtual JSObject* toThisObject(ExecState*) const;
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| 56 | virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
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| 57 | virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&);
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| 58 | void putWithAttributes(ExecState*, const Identifier&, JSValue, unsigned attributes);
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| 59 |
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| 60 | static PassRefPtr<Structure> createStructure(JSValue proto) { return Structure::create(proto, TypeInfo(ObjectType, StructureFlags)); }
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| 61 |
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| 62 | protected:
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| 63 | static const unsigned StructureFlags = OverridesGetOwnPropertySlot | NeedsThisConversion | OverridesMarkChildren | OverridesGetPropertyNames | JSVariableObject::StructureFlags;
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| 64 |
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| 65 | private:
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| 66 | JSStaticScopeObjectData* d() { return static_cast<JSStaticScopeObjectData*>(JSVariableObject::d); }
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| 67 | };
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| 68 |
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| 69 | }
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| 70 |
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| 71 | #endif // JSStaticScopeObject_h
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