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      1 /*
      2  *  Copyright (C) 1999-2001 Harri Porten (porten (at) kde.org)
      3  *  Copyright (C) 2001 Peter Kelly (pmk (at) post.com)
      4  *  Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
      5  *  Copyright (C) 2007 Eric Seidel (eric (at) webkit.org)
      6  *
      7  *  This library is free software; you can redistribute it and/or
      8  *  modify it under the terms of the GNU Library General Public
      9  *  License as published by the Free Software Foundation; either
     10  *  version 2 of the License, or (at your option) any later version.
     11  *
     12  *  This library is distributed in the hope that it will be useful,
     13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15  *  Library General Public License for more details.
     16  *
     17  *  You should have received a copy of the GNU Library General Public License
     18  *  along with this library; see the file COPYING.LIB.  If not, write to
     19  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     20  *  Boston, MA 02110-1301, USA.
     21  *
     22  */
     23 
     24 #include "config.h"
     25 #include "Error.h"
     26 
     27 #include "ConstructData.h"
     28 #include "ErrorConstructor.h"
     29 #include "JSFunction.h"
     30 #include "JSGlobalObject.h"
     31 #include "JSObject.h"
     32 #include "JSString.h"
     33 #include "NativeErrorConstructor.h"
     34 
     35 namespace JSC {
     36 
     37 const char* expressionBeginOffsetPropertyName = "expressionBeginOffset";
     38 const char* expressionCaretOffsetPropertyName = "expressionCaretOffset";
     39 const char* expressionEndOffsetPropertyName = "expressionEndOffset";
     40 
     41 JSObject* Error::create(ExecState* exec, ErrorType type, const UString& message, int lineNumber, intptr_t sourceID, const UString& sourceURL)
     42 {
     43     JSObject* constructor;
     44     const char* name;
     45     switch (type) {
     46         case EvalError:
     47             constructor = exec->lexicalGlobalObject()->evalErrorConstructor();
     48             name = "Evaluation error";
     49             break;
     50         case RangeError:
     51             constructor = exec->lexicalGlobalObject()->rangeErrorConstructor();
     52             name = "Range error";
     53             break;
     54         case ReferenceError:
     55             constructor = exec->lexicalGlobalObject()->referenceErrorConstructor();
     56             name = "Reference error";
     57             break;
     58         case SyntaxError:
     59             constructor = exec->lexicalGlobalObject()->syntaxErrorConstructor();
     60             name = "Syntax error";
     61             break;
     62         case TypeError:
     63             constructor = exec->lexicalGlobalObject()->typeErrorConstructor();
     64             name = "Type error";
     65             break;
     66         case URIError:
     67             constructor = exec->lexicalGlobalObject()->URIErrorConstructor();
     68             name = "URI error";
     69             break;
     70         default:
     71             constructor = exec->lexicalGlobalObject()->errorConstructor();
     72             name = "Error";
     73             break;
     74     }
     75 
     76     MarkedArgumentBuffer args;
     77     if (message.isEmpty())
     78         args.append(jsString(exec, name));
     79     else
     80         args.append(jsString(exec, message));
     81     ConstructData constructData;
     82     ConstructType constructType = constructor->getConstructData(constructData);
     83     JSObject* error = construct(exec, constructor, constructType, constructData, args);
     84 
     85     if (lineNumber != -1)
     86         error->putWithAttributes(exec, Identifier(exec, "line"), jsNumber(exec, lineNumber), ReadOnly | DontDelete);
     87     if (sourceID != -1)
     88         error->putWithAttributes(exec, Identifier(exec, "sourceId"), jsNumber(exec, sourceID), ReadOnly | DontDelete);
     89     if (!sourceURL.isNull())
     90         error->putWithAttributes(exec, Identifier(exec, "sourceURL"), jsString(exec, sourceURL), ReadOnly | DontDelete);
     91 
     92     return error;
     93 }
     94 
     95 JSObject* Error::create(ExecState* exec, ErrorType type, const char* message)
     96 {
     97     return create(exec, type, message, -1, -1, UString());
     98 }
     99 
    100 JSObject* throwError(ExecState* exec, JSObject* error)
    101 {
    102     exec->setException(error);
    103     return error;
    104 }
    105 
    106 JSObject* throwError(ExecState* exec, ErrorType type)
    107 {
    108     JSObject* error = Error::create(exec, type, UString(), -1, -1, UString());
    109     exec->setException(error);
    110     return error;
    111 }
    112 
    113 JSObject* throwError(ExecState* exec, ErrorType type, const UString& message)
    114 {
    115     JSObject* error = Error::create(exec, type, message, -1, -1, UString());
    116     exec->setException(error);
    117     return error;
    118 }
    119 
    120 JSObject* throwError(ExecState* exec, ErrorType type, const char* message)
    121 {
    122     JSObject* error = Error::create(exec, type, message, -1, -1, UString());
    123     exec->setException(error);
    124     return error;
    125 }
    126 
    127 JSObject* throwError(ExecState* exec, ErrorType type, const UString& message, int line, intptr_t sourceID, const UString& sourceURL)
    128 {
    129     JSObject* error = Error::create(exec, type, message, line, sourceID, sourceURL);
    130     exec->setException(error);
    131     return error;
    132 }
    133 
    134 } // namespace JSC
    135