2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
3 * Copyright (C) 2003, 2008 Apple Inc. All rights reserved.
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.
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.
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
22 #include "ErrorPrototype.h"
24 #include "JSFunction.h"
26 #include "JSStringBuilder.h"
27 #include "ObjectPrototype.h"
28 #include "PrototypeFunction.h"
29 #include "StringRecursionChecker.h"
34 ASSERT_CLASS_FITS_IN_CELL(ErrorPrototype);
36 static EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState*);
39 ErrorPrototype::ErrorPrototype(ExecState* exec, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure)
40 : ErrorInstance(&exec->globalData(), structure)
42 // The constructor will be added later in ErrorConstructor's constructor
44 putDirectWithoutTransition(exec->propertyNames().name, jsNontrivialString(exec, "Error"), DontEnum);
45 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().toString, errorProtoFuncToString), DontEnum);
48 EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState* exec)
50 JSObject* thisObj = exec->hostThisValue().toThisObject(exec);
52 StringRecursionChecker checker(exec, thisObj);
53 if (EncodedJSValue earlyReturnValue = checker.earlyReturnValue())
54 return earlyReturnValue;
56 JSValue name = thisObj->get(exec, exec->propertyNames().name);
57 JSValue message = thisObj->get(exec, exec->propertyNames().message);
59 // Mozilla-compatible format.
61 if (!name.isUndefined()) {
62 if (!message.isUndefined())
63 return JSValue::encode(jsMakeNontrivialString(exec, name.toString(exec), ": ", message.toString(exec)));
64 return JSValue::encode(jsNontrivialString(exec, name.toString(exec)));
66 if (!message.isUndefined())
67 return JSValue::encode(jsMakeNontrivialString(exec, "Error: ", message.toString(exec)));
68 return JSValue::encode(jsNontrivialString(exec, "Error"));