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