| | 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 | |
| | 32 | ErrorConstructor::ErrorConstructor(ExecState* exec, PassRefPtr<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 |
| | 41 | ErrorInstance* constructError(ExecState* exec, const ArgList& args) |
| | 42 | { |
| | 43 | ErrorInstance* obj = new (exec) ErrorInstance(exec->lexicalGlobalObject()->errorStructure()); |
| | 44 | if (!args.at(exec, 0).isUndefined()) |
| | 45 | obj->putDirect(exec->propertyNames().message, jsString(exec, args.at(exec, 0).toString(exec))); |
| | 46 | return obj; |
| | 47 | } |
| | 48 | |
| | 49 | static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args) |
| | 50 | { |
| | 51 | return constructError(exec, args); |
| | 52 | } |
| | 53 | |
| | 54 | ConstructType ErrorConstructor::getConstructData(ConstructData& constructData) |
| | 55 | { |
| | 56 | constructData.native.function = constructWithErrorConstructor; |
| | 57 | return ConstructTypeHost; |
| | 58 | } |
| | 59 | |
| | 60 | // ECMA 15.9.2 |
| | 61 | static JSValuePtr callErrorConstructor(ExecState* exec, JSObject*, JSValuePtr, const ArgList& args) |
| | 62 | { |
| | 63 | // "Error()" gives the sames result as "new Error()" |
| | 64 | return constructError(exec, args); |
| | 65 | } |
| | 66 | |
| | 67 | CallType ErrorConstructor::getCallData(CallData& callData) |
| | 68 | { |
| | 69 | callData.native.function = callErrorConstructor; |
| | 70 | return CallTypeHost; |
| | 71 | } |
| | 72 | |
| | 73 | } // namespace JSC |
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