runtime/Error.cpp

   1 /*
   2  *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
   3  *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
   4  *  Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
   5  *  Copyright (C) 2007 Eric Seidel (eric@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, NULL);
  98 }
  99
 100 JSObject* throwError(ExecState* exec, ErrorType type)
 101 {
 102     JSObject* error = Error::create(exec, type, UString(), -1, -1, NULL);
 103     exec->setException(error);
 104     return error;
 105 }
 106
 107 JSObject* throwError(ExecState* exec, ErrorType type, const UString& message)
 108 {
 109     JSObject* error = Error::create(exec, type, message, -1, -1, NULL);
 110     exec->setException(error);
 111     return error;
 112 }
 113
 114 JSObject* throwError(ExecState* exec, ErrorType type, const char* message)
 115 {
 116     JSObject* error = Error::create(exec, type, message, -1, -1, NULL);
 117     exec->setException(error);
 118     return error;
 119 }
 120
 121 JSObject* throwError(ExecState* exec, ErrorType type, const UString& message, int line, intptr_t sourceID, const UString& sourceURL)
 122 {
 123     JSObject* error = Error::create(exec, type, message, line, sourceID, sourceURL);
 124     exec->setException(error);
 125     return error;
 126 }
 127
 128 } // namespace JSC