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 "NativeErrorConstructor.h"
23
24#include "ErrorInstance.h"
25#include "JSFunction.h"
26#include "JSString.h"
27#include "NativeErrorPrototype.h"
28#include "Operations.h"
29
30namespace JSC {
31
32ASSERT_HAS_TRIVIAL_DESTRUCTOR(NativeErrorConstructor);
33
34const ClassInfo NativeErrorConstructor::s_info = { "Function", &InternalFunction::s_info, 0, 0, CREATE_METHOD_TABLE(NativeErrorConstructor) };
35
36NativeErrorConstructor::NativeErrorConstructor(JSGlobalObject* globalObject, Structure* structure)
37    : InternalFunction(globalObject, structure)
38{
39}
40
41void NativeErrorConstructor::visitChildren(JSCell* cell, SlotVisitor& visitor)
42{
43    NativeErrorConstructor* thisObject = jsCast<NativeErrorConstructor*>(cell);
44    ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
45    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
46    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
47
48    InternalFunction::visitChildren(thisObject, visitor);
49    visitor.append(&thisObject->m_errorStructure);
50}
51
52static EncodedJSValue JSC_HOST_CALL constructWithNativeErrorConstructor(ExecState* exec)
53{
54    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
55    Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure();
56    ASSERT(errorStructure);
57    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message));
58}
59
60ConstructType NativeErrorConstructor::getConstructData(JSCell*, ConstructData& constructData)
61{
62    constructData.native.function = constructWithNativeErrorConstructor;
63    return ConstructTypeHost;
64}
65
66static EncodedJSValue JSC_HOST_CALL callNativeErrorConstructor(ExecState* exec)
67{
68    JSValue message = exec->argumentCount() ? exec->argument(0) : jsUndefined();
69    Structure* errorStructure = static_cast<NativeErrorConstructor*>(exec->callee())->errorStructure();
70    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message));
71}
72
73CallType NativeErrorConstructor::getCallData(JSCell*, CallData& callData)
74{
75    callData.native.function = callNativeErrorConstructor;
76    return CallTypeHost;
77}
78
79} // namespace JSC
80