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 "JSGlobalObject.h"
  30 #include "JSObject.h"
  31 #include "JSString.h"
  32 #include "NativeErrorConstructor.h"
  33
  34 namespace JSC {
  35
  36 const char* expressionBeginOffsetPropertyName = "expressionBeginOffset";
  37 const char* expressionCaretOffsetPropertyName = "expressionCaretOffset";
  38 const char* expressionEndOffsetPropertyName = "expressionEndOffset";
  39
  40 JSObject* Error::create(ExecState* exec, ErrorType type, const UString& message, int lineNumber, intptr_t sourceID, const UString& sourceURL)
  41 {
  42     JSObject* constructor;
  43     const char* name;
  44     switch (type) {
  45         case EvalError:
  46             constructor = exec->lexicalGlobalObject()->evalErrorConstructor();
  47             name = "Evaluation error";
  48             break;
  49         case RangeError:
  50             constructor = exec->lexicalGlobalObject()->rangeErrorConstructor();
  51             name = "Range error";
  52             break;
  53         case ReferenceError:
  54             constructor = exec->lexicalGlobalObject()->referenceErrorConstructor();
  55             name = "Reference error";
  56             break;
  57         case SyntaxError:
  58             constructor = exec->lexicalGlobalObject()->syntaxErrorConstructor();
  59             name = "Syntax error";
  60             break;
  61         case TypeError:
  62             constructor = exec->lexicalGlobalObject()->typeErrorConstructor();
  63             name = "Type error";
  64             break;
  65         case URIError:
  66             constructor = exec->lexicalGlobalObject()->URIErrorConstructor();
  67             name = "URI error";
  68             break;
  69         default:
  70             constructor = exec->lexicalGlobalObject()->errorConstructor();
  71             name = "Error";
  72             break;
  73     }
  74
  75     ArgList args;
  76     if (message.isEmpty())
  77         args.append(jsString(exec, name));
  78     else
  79         args.append(jsString(exec, message));
  80     ConstructData constructData;
  81     ConstructType constructType = constructor->getConstructData(constructData);
  82     JSObject* error = construct(exec, constructor, constructType, constructData, args);
  83
  84     if (lineNumber != -1)
  85         error->putWithAttributes(exec, Identifier(exec, "line"), jsNumber(exec, lineNumber), ReadOnly | DontDelete);
  86     if (sourceID != -1)
  87         error->putWithAttributes(exec, Identifier(exec, "sourceId"), jsNumber(exec, sourceID), ReadOnly | DontDelete);
  88     if (!sourceURL.isNull())
  89         error->putWithAttributes(exec, Identifier(exec, "sourceURL"), jsString(exec, sourceURL), ReadOnly | DontDelete);
  90
  91     return error;
  92 }
  93
  94 JSObject* Error::create(ExecState* exec, ErrorType type, const char* message)
  95 {
  96     return create(exec, type, message, -1, -1, NULL);
  97 }
  98
  99 JSObject* throwError(ExecState* exec, ErrorType type)
 100 {
 101     JSObject* error = Error::create(exec, type, UString(), -1, -1, NULL);
 102     exec->setException(error);
 103     return error;
 104 }
 105
 106 JSObject* throwError(ExecState* exec, ErrorType type, const UString& message)
 107 {
 108     JSObject* error = Error::create(exec, type, message, -1, -1, NULL);
 109     exec->setException(error);
 110     return error;
 111 }
 112
 113 JSObject* throwError(ExecState* exec, ErrorType type, const char* message)
 114 {
 115     JSObject* error = Error::create(exec, type, message, -1, -1, NULL);
 116     exec->setException(error);
 117     return error;
 118 }
 119
 120 JSObject* throwError(ExecState* exec, ErrorType type, const UString& message, int line, intptr_t sourceID, const UString& sourceURL)
 121 {
 122     JSObject* error = Error::create(exec, type, message, line, sourceID, sourceURL);
 123     exec->setException(error);
 124     return error;
 125 }
 126
 127 } // namespace JSC