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,JSGlobalObject * globalObject,Structure * structure,ErrorPrototype * errorPrototype)32 ErrorConstructor::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
constructWithErrorConstructor(ExecState * exec)42 static 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
getConstructData(ConstructData & constructData)49 ConstructType ErrorConstructor::getConstructData(ConstructData& constructData)
50 {
51 constructData.native.function = constructWithErrorConstructor;
52 return ConstructTypeHost;
53 }
54
callErrorConstructor(ExecState * exec)55 static 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
getCallData(CallData & callData)62 CallType ErrorConstructor::getCallData(CallData& callData)
63 {
64 callData.native.function = callErrorConstructor;
65 return CallTypeHost;
66 }
67
68 } // namespace JSC
69