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
31namespace JSC{
32
33 class JSStaticScopeObject : public JSVariableObject {
34 protected:
35 struct JSStaticScopeObjectData : public JSVariableObject::JSVariableObjectData {
36 JSStaticScopeObjectData()
37 : JSVariableObjectData(&symbolTable, &registerStore + 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

source code of qtscript/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSStaticScopeObject.h