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 | protected: |
35 | struct JSStaticScopeObjectData : public JSVariableObject::JSVariableObjectData { |
36 | JSStaticScopeObjectData() |
37 | : JSVariableObjectData(&symbolTable, ®isterStore + 1) |
38 | { |
39 | } |
40 | SymbolTable symbolTable; |
41 | Register registerStore; |
42 | }; |
43 | |
44 | public: |
45 | JSStaticScopeObject(ExecState* exec, const Identifier& ident, JSValue value, unsigned attributes) |
46 | : JSVariableObject(exec->globalData().staticScopeStructure, new JSStaticScopeObjectData()) |
47 | { |
48 | d()->registerStore = value; |
49 | symbolTable().add(key: ident.ustring().rep(), mapped: SymbolTableEntry(-1, attributes)); |
50 | } |
51 | virtual ~JSStaticScopeObject(); |
52 | virtual void markChildren(MarkStack&); |
53 | bool isDynamicScope() const; |
54 | virtual JSObject* toThisObject(ExecState*) const; |
55 | virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&); |
56 | virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&); |
57 | void putWithAttributes(ExecState*, const Identifier&, JSValue, unsigned attributes); |
58 | |
59 | static PassRefPtr<Structure> createStructure(JSValue proto) { return Structure::create(prototype: proto, typeInfo: TypeInfo(ObjectType, StructureFlags)); } |
60 | |
61 | protected: |
62 | static const unsigned StructureFlags = OverridesGetOwnPropertySlot | NeedsThisConversion | OverridesMarkChildren | OverridesGetPropertyNames | JSVariableObject::StructureFlags; |
63 | |
64 | private: |
65 | JSStaticScopeObjectData* d() { return static_cast<JSStaticScopeObjectData*>(JSVariableObject::d); } |
66 | }; |
67 | |
68 | } |
69 | |
70 | #endif // JSStaticScopeObject_h |
71 | |