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 "ErrorPrototype.h"
25#include "JSGlobalObject.h"
26#include "JSString.h"
27
28namespace JSC {
29
30ASSERT_CLASS_FITS_IN_CELL(ErrorConstructor);
31
32ErrorConstructor::ErrorConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, ErrorPrototype* errorPrototype)
33    : InternalFunction(&exec->globalData(), structure, Identifier(exec, errorPrototype->classInfo()->className))
34{
35    // ECMA 15.11.3.1 Error.prototype
36    putDirectWithoutTransition(exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly);
37    putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), DontDelete | ReadOnly | DontEnum);
38}
39
40// ECMA 15.9.3
41ErrorInstance* constructError(ExecState* exec, const ArgList& args)
42{
43    ErrorInstance* obj = new (exec) ErrorInstance(exec->lexicalGlobalObject()->errorStructure());
44    if (!args.at(0).isUndefined())
45        obj->putDirect(exec->propertyNames().message, jsString(exec, args.at(0).toString(exec)));
46    return obj;
47}
48
49static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args)
50{
51    return constructError(exec, args);
52}
53
54ConstructType ErrorConstructor::getConstructData(ConstructData& constructData)
55{
56    constructData.native.function = constructWithErrorConstructor;
57    return ConstructTypeHost;
58}
59
60// ECMA 15.9.2
61static JSValue JSC_HOST_CALL 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
67CallType ErrorConstructor::getCallData(CallData& callData)
68{
69    callData.native.function = callErrorConstructor;
70    return CallTypeHost;
71}
72
73} // namespace JSC
74