source: webkit/trunk/JavaScriptCore/runtime/StringObject.h@ 48593

Last change on this file since 48593 was 48336, checked in by [email protected], 16 years ago

[ES5] Implement Object.keys
https://bugs.webkit.org/show_bug.cgi?id=29170

Reviewed by Maciej Stachowiak.

This patch basically requires two separate steps, the first is to split getPropertyNames
into two functions -- getOwnPropertyNames and getPropertyNames, basically making them behave
in the same way as getOwnPropertySlot and getPropertySlot. In essence getOwnPropertyNames
produces the list of properties on an object excluding its prototype chain and getPropertyNames
just iterates the the object and its prototype chain calling getOwnPropertyNames at each level.

  • Property svn:eol-style set to native
File size: 2.5 KB
Line 
1/*
2 * Copyright (C) 1999-2000 Harri Porten ([email protected])
3 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 */
20
21#ifndef StringObject_h
22#define StringObject_h
23
24#include "JSWrapperObject.h"
25#include "JSString.h"
26
27namespace JSC {
28
29 class StringObject : public JSWrapperObject {
30 public:
31 StringObject(ExecState*, PassRefPtr<Structure>);
32 StringObject(ExecState*, PassRefPtr<Structure>, const UString&);
33
34 static StringObject* create(ExecState*, JSString*);
35
36 virtual bool getOwnPropertySlot(ExecState*, const Identifier& propertyName, PropertySlot&);
37 virtual bool getOwnPropertySlot(ExecState*, unsigned propertyName, PropertySlot&);
38 virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&);
39
40 virtual void put(ExecState* exec, const Identifier& propertyName, JSValue, PutPropertySlot&);
41 virtual bool deleteProperty(ExecState*, const Identifier& propertyName);
42 virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&);
43
44 virtual const ClassInfo* classInfo() const { return &info; }
45 static const JS_EXPORTDATA ClassInfo info;
46
47 JSString* internalValue() const { return asString(JSWrapperObject::internalValue());}
48
49 static PassRefPtr<Structure> createStructure(JSValue prototype)
50 {
51 return Structure::create(prototype, TypeInfo(ObjectType));
52 }
53
54 protected:
55 StringObject(PassRefPtr<Structure>, JSString*);
56 };
57
58 StringObject* asStringObject(JSValue);
59
60 inline StringObject* asStringObject(JSValue value)
61 {
62 ASSERT(asObject(value)->inherits(&StringObject::info));
63 return static_cast<StringObject*>(asObject(value));
64 }
65
66} // namespace JSC
67
68#endif // StringObject_h
Note: See TracBrowser for help on using the repository browser.