X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b5422865f473faf3977f31b96a635c4c8c4ede09..9dae56ea45a0f5f8136a5c93d6f3a7f99399ca73:/runtime/ErrorConstructor.cpp diff --git a/runtime/ErrorConstructor.cpp b/runtime/ErrorConstructor.cpp new file mode 100644 index 0000000..5cc0df0 --- /dev/null +++ b/runtime/ErrorConstructor.cpp @@ -0,0 +1,73 @@ +/* + * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) + * Copyright (C) 2003, 2008 Apple Inc. All rights reserved. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include "config.h" +#include "ErrorConstructor.h" + +#include "ErrorPrototype.h" +#include "JSGlobalObject.h" +#include "JSString.h" + +namespace JSC { + +ASSERT_CLASS_FITS_IN_CELL(ErrorConstructor); + +ErrorConstructor::ErrorConstructor(ExecState* exec, PassRefPtr structure, ErrorPrototype* errorPrototype) + : InternalFunction(&exec->globalData(), structure, Identifier(exec, errorPrototype->classInfo()->className)) +{ + // ECMA 15.11.3.1 Error.prototype + putDirectWithoutTransition(exec->propertyNames().prototype, errorPrototype, DontEnum | DontDelete | ReadOnly); + putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), DontDelete | ReadOnly | DontEnum); +} + +// ECMA 15.9.3 +ErrorInstance* constructError(ExecState* exec, const ArgList& args) +{ + ErrorInstance* obj = new (exec) ErrorInstance(exec->lexicalGlobalObject()->errorStructure()); + if (!args.at(exec, 0).isUndefined()) + obj->putDirect(exec->propertyNames().message, jsString(exec, args.at(exec, 0).toString(exec))); + return obj; +} + +static JSObject* constructWithErrorConstructor(ExecState* exec, JSObject*, const ArgList& args) +{ + return constructError(exec, args); +} + +ConstructType ErrorConstructor::getConstructData(ConstructData& constructData) +{ + constructData.native.function = constructWithErrorConstructor; + return ConstructTypeHost; +} + +// ECMA 15.9.2 +static JSValuePtr callErrorConstructor(ExecState* exec, JSObject*, JSValuePtr, const ArgList& args) +{ + // "Error()" gives the sames result as "new Error()" + return constructError(exec, args); +} + +CallType ErrorConstructor::getCallData(CallData& callData) +{ + callData.native.function = callErrorConstructor; + return CallTypeHost; +} + +} // namespace JSC