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
28 namespace JSC {
29
30 ASSERT_CLASS_FITS_IN_CELL(ErrorConstructor);
31
ErrorConstructor(ExecState * exec,NonNullPassRefPtr<Structure> structure,ErrorPrototype * errorPrototype)32 ErrorConstructor::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
constructError(ExecState * exec,const ArgList & args)41 ErrorInstance* 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
constructWithErrorConstructor(ExecState * exec,JSObject *,const ArgList & args)49 static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args)
50 {
51 return constructError(exec, args);
52 }
53
getConstructData(ConstructData & constructData)54 ConstructType ErrorConstructor::getConstructData(ConstructData& constructData)
55 {
56 constructData.native.function = constructWithErrorConstructor;
57 return ConstructTypeHost;
58 }
59
60 // ECMA 15.9.2
callErrorConstructor(ExecState * exec,JSObject *,JSValue,const ArgList & args)61 static 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
getCallData(CallData & callData)67 CallType ErrorConstructor::getCallData(CallData& callData)
68 {
69 callData.native.function = callErrorConstructor;
70 return CallTypeHost;
71 }
72
73 } // namespace JSC
74