root/trunk/JavaScriptCore/kjs/ErrorConstructor.cpp

Revision 381, 2.5 kB (checked in by odole, 2 years ago)

merge with WebKit trunk at revision 35031.

Line 
1 /*
2  *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
3  *  Copyright (C) 2003, 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 #include "config.h"
22 #include "ErrorConstructor.h"
23
24 #include "ErrorInstance.h"
25 #include "ErrorPrototype.h"
26 #include "FunctionPrototype.h"
27 #include "JSGlobalObject.h"
28 #include "JSString.h"
29
30 namespace KJS {
31
32 ErrorConstructor::ErrorConstructor(ExecState* exec, FunctionPrototype* functionPrototype, ErrorPrototype* errorPrototype)
33     : InternalFunction(functionPrototype, Identifier(exec, errorPrototype->classInfo()->className))
34 {
35     // ECMA 15.11.3.1 Error.prototype
36     putDirect(exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly);
37     putDirect(exec->propertyNames().length, jsNumber(exec, 1), DontDelete | ReadOnly | DontEnum);
38 }
39
40 // ECMA 15.9.3
41 static ErrorInstance* constructError(ExecState* exec, const ArgList& args)
42 {
43     ErrorInstance* obj = new (exec) ErrorInstance(exec->lexicalGlobalObject()->errorPrototype());
44     if (!args[0]->isUndefined())
45         obj->putDirect(exec->propertyNames().message, jsString(exec, args[0]->toString(exec)));
46     return obj;
47 }
48
49 static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args)
50 {
51     return constructError(exec, args);
52 }
53
54 ConstructType ErrorConstructor::getConstructData(ConstructData& constructData)
55 {
56     constructData.native.function = constructWithErrorConstructor;
57     return ConstructTypeNative;
58 }
59
60 // ECMA 15.9.2
61 static JSValue* callErrorConstructor(ExecState* exec, JSObject*, JSValue*, const ArgList& args)
62 {
63     // "Error()" gives the sames result as "new Error()"
64     return constructError(exec, args);
65 }
66
67 CallType ErrorConstructor::getCallData(CallData& callData)
68 {
69     callData.native.function = callErrorConstructor;
70     return CallTypeNative;
71 }
72
73 } // namespace KJS
74
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