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, JSGlobalObject* globalObject, Structure* structure, ErrorPrototype* errorPrototype)
33    : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, errorPrototype->classInfo()->className))
34{
35    // ECMA 15.11.3.1 Error.prototype
36    putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly);
37    putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(1), DontDelete | ReadOnly | DontEnum);
38}
39
40// ECMA 15.9.3
41
42static EncodedJSValue JSC_HOST_CALL constructWithErrorConstructor(ExecState* exec)
43{
44    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
45    Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->errorStructure();
46    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message));
47}
48
49ConstructType ErrorConstructor::getConstructData(ConstructData& constructData)
50{
51    constructData.native.function = constructWithErrorConstructor;
52    return ConstructTypeHost;
53}
54
55static EncodedJSValue JSC_HOST_CALL callErrorConstructor(ExecState* exec)
56{
57    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
58    Structure* errorStructure = asInternalFunction(exec->callee())->globalObject()->errorStructure();
59    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message));
60}
61
62CallType ErrorConstructor::getCallData(CallData& callData)
63{
64    callData.native.function = callErrorConstructor;
65    return CallTypeHost;
66}
67
68} // namespace JSC
69