1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.internal.runtime;
  27 
  28 import jdk.nashorn.api.scripting.NashornException;
  29 import jdk.nashorn.internal.objects.Global;
  30 import jdk.nashorn.internal.parser.Token;
  31 
  32 /**
  33  * ECMAScript parser exceptions.
  34  */
  35 @SuppressWarnings("serial")
  36 public final class ParserException extends NashornException {
  37     // Source from which this ParserException originated
  38     private final Source source;
  39     // token responsible for this exception
  40     private final long token;
  41     // if this is traslated as ECMA error, which type should be used?
  42     private final JSErrorType errorType;
  43 
  44     /**
  45      * Constructor
  46      *
  47      * @param msg exception message for this parser error.
  48      */
  49     public ParserException(final String msg) {
  50         this(JSErrorType.SYNTAX_ERROR, msg, null, -1, -1, -1);
  51     }
  52 
  53     /**
  54      * Constructor
  55      *
  56      * @param errorType error type
  57      * @param msg       exception message
  58      * @param source    source from which this exception originates
  59      * @param line      line number of exception
  60      * @param column    column number of exception
  61      * @param token     token from which this exception originates
  62      *
  63      */
  64     public ParserException(final JSErrorType errorType, final String msg, final Source source, final int line, final int column, final long token) {
  65         super(msg, source != null ? source.getName() : null, line, column);
  66         this.source = source;
  67         this.token = token;
  68         this.errorType = errorType;
  69     }
  70 
  71     /**
  72      * Get the {@code Source} of this {@code ParserException}
  73      * @return source
  74      */
  75     public Source getSource() {
  76         return source;
  77     }
  78 
  79     /**
  80      * Get the token responsible for this {@code ParserException}
  81      * @return token
  82      */
  83     public long getToken() {
  84         return token;
  85     }
  86 
  87     /**
  88      * Get token position within source where the error originated.
  89      * @return token position if available, else -1
  90      */
  91     public int getPosition() {
  92         return Token.descPosition(token);
  93     }
  94 
  95     /**
  96      * Get the {@code JSErrorType} of this {@code ParserException}
  97      * @return error type
  98      */
  99     public JSErrorType getErrorType() {
 100         return errorType;
 101     }
 102 
 103     /**
 104      * Throw this {@code ParserException} as one of the 7 native JavaScript errors
 105      */
 106     public void throwAsEcmaException() {
 107         throw ECMAErrors.asEcmaException(this);
 108     }
 109 
 110     /**
 111      * Throw this {@code ParserException} as one of the 7 native JavaScript errors
 112      * @param global global scope object
 113      */
 114     public void throwAsEcmaException(final Global global) {
 115         throw ECMAErrors.asEcmaException(global, this);
 116     }
 117 }
 118 
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