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/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2011, The University of Manchester
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
*
* Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
* in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
*
* Copyright 2011, The University of Manchester
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 5.0 */
/* JavaCCOptions:KEEP_LINE_COL=null */
package org.coode.owl.krssparser;
/**
* This exception is thrown when parse errors are encountered. You can
* explicitly create objects of this exception type by calling the method
* generateParseException in the generated parser. You can modify this class to
* customize your error reporting mechanisms so long as you retain the public
* fields.
*/
public class ParseException extends Exception {
/**
* The version identifier for this Serializable class. Increment only if the
* serialized form of the class changes.
*/
private static final long serialVersionUID = 30406L;
/**
* This constructor is used by the method "generateParseException" in the
* generated parser. Calling this constructor generates a new object of this
* type with the fields "currentToken", "expectedTokenSequences", and
* "tokenImage" set.
*
* @param currentTokenVal
* current token
* @param expectedTokenSequencesVal
* expected tokensa
* @param tokenImageVal
* token
*/
public ParseException(Token currentTokenVal,
int[][] expectedTokenSequencesVal, String[] tokenImageVal) {
super(initialise(currentTokenVal, expectedTokenSequencesVal,
tokenImageVal));
currentToken = currentTokenVal;
expectedTokenSequences = expectedTokenSequencesVal;
tokenImage = tokenImageVal;
}
/**
* The following constructors are for use by you for whatever purpose you
* can think of. Constructing the exception in this manner makes the
* exception behave in the normal way - i.e., as documented in the class
* "Throwable". The fields "errorToken", "expectedTokenSequences", and
* "tokenImage" do not contain relevant information. The JavaCC generated
* code does not use these constructors.
*/
public ParseException() {
super();
}
/**
* Constructor with message.
*
* @param message
* exception message
*/
public ParseException(String message) {
super(message);
}
/**
* This is the last token that has been consumed successfully. If this
* object has been created due to a parse error, the token followng this
* token will (therefore) be the first error token.
*/
public Token currentToken;
/**
* Each entry in this array is an array of integers. Each array of integers
* represents a sequence of tokens (by their ordinal values) that is
* expected at this point of the parse.
*/
public int[][] expectedTokenSequences;
/**
* This is a reference to the "tokenImage" array of the generated parser
* within which the parse error occurred. This array is defined in the
* generated ...Constants interface.
*/
public String[] tokenImage;
/**
* It uses "currentToken" and "expectedTokenSequences" to generate a parse
* error message and returns it. If this object has been created due to a
* parse error, and you do not catch it (it gets thrown from the parser) the
* correct error message gets displayed.
*
* @param currentToken
* token
* @param expectedTokenSequences
* expected tokens
* @param tokenImage
* token image
* @return error message
*/
private static String initialise(Token currentToken,
int[][] expectedTokenSequences, String[] tokenImage) {
String eol = System.getProperty("line.separator", "\n");
StringBuffer expected = new StringBuffer();
int maxSize = 0;
for (int i = 0; i < expectedTokenSequences.length; i++) {
if (maxSize < expectedTokenSequences[i].length) {
maxSize = expectedTokenSequences[i].length;
}
for (int j = 0; j < expectedTokenSequences[i].length; j++) {
expected.append(tokenImage[expectedTokenSequences[i][j]])
.append(' ');
}
if (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) {
expected.append("...");
}
expected.append(eol).append(" ");
}
String retval = "Encountered \"";
Token tok = currentToken.next;
for (int i = 0; i < maxSize; i++) {
if (i != 0) {
retval += " ";
}
if (tok.kind == 0) {
retval += tokenImage[0];
break;
}
retval += " " + tokenImage[tok.kind];
retval += " \"";
retval += add_escapes(tok.image);
retval += " \"";
tok = tok.next;
}
retval += "\" at line " + currentToken.next.beginLine + ", column "
+ currentToken.next.beginColumn;
retval += "." + eol;
if (expectedTokenSequences.length == 1) {
retval += "Was expecting:" + eol + " ";
} else {
retval += "Was expecting one of:" + eol + " ";
}
retval += expected.toString();
return retval;
}
/** The end of line string for this machine. */
protected String eol = System.getProperty("line.separator", "\n");
/**
* Used to convert raw characters to their escaped version when these raw
* version cannot be used as part of an ASCII string literal.
*
* @param str
* string to escape
* @return escaped string
*/
static String add_escapes(String str) {
StringBuffer retval = new StringBuffer();
char ch;
for (int i = 0; i < str.length(); i++) {
switch (str.charAt(i)) {
case 0:
continue;
case '\b':
retval.append("\\b");
continue;
case '\t':
retval.append("\\t");
continue;
case '\n':
retval.append("\\n");
continue;
case '\f':
retval.append("\\f");
continue;
case '\r':
retval.append("\\r");
continue;
case '\"':
retval.append("\\\"");
continue;
case '\'':
retval.append("\\\'");
continue;
case '\\':
retval.append("\\\\");
continue;
default:
if ((ch = str.charAt(i)) < 0x20 || ch > 0x7e) {
String s = "0000" + Integer.toString(ch, 16);
retval.append("\\u"
+ s.substring(s.length() - 4, s.length()));
} else {
retval.append(ch);
}
continue;
}
}
return retval.toString();
}
}
/*
* JavaCC - OriginalChecksum=3a59bc009e9808c7095f405efaf6cf3c (do not edit this
* line)
*/
