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/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 7.0 */
/* JavaCCOptions:KEEP_LINE_COLUMN=true */
/* This file is part of the OWL API.
* The contents of this file are subject to the LGPL License, Version 3.0.
* Copyright 2014, 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.
* 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. */
package org.semanticweb.owlapi.dlsyntax.parser;
/**
* 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.
*/
@SuppressWarnings("all")
class ParseException extends org.semanticweb.owlapi.io.OWLParserException {
/**
* The version identifier for this Serializable class.
* Increment only if the serialized form of the
* class changes.
*/
private static final long serialVersionUID = 1L;
private static final String INDENT = " ";
/**
* The end of line string (we do not use System.getProperty("") so that we are compatible with Android/GWT);
*/
protected static String EOL = "\n";
public ParseException(Token currentTokenVal,
int[][] expectedTokenSequencesVal,
String[] tokenImageVal
)
{
this (currentTokenVal, expectedTokenSequencesVal, tokenImageVal, null);
}
/**
* 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.
*/
public ParseException(Token currentTokenVal,
int[][] expectedTokenSequencesVal,
String[] tokenImageVal,
String lexicalStateName
)
{
super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal, lexicalStateName));
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. */
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.
*/
private static String initialise(Token currentToken,
int[][] expectedTokenSequences,
String[] tokenImage,
String lexicalStateName) {
StringBuilder sb = new StringBuilder();
StringBuffer expected = new StringBuffer();
int maxSize = 0;
java.util.TreeSet sortedOptions = new java.util.TreeSet();
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++) {
sortedOptions.add(tokenImage[expectedTokenSequences[i][j]]);
}
}
for (String option : sortedOptions) {
expected.append(INDENT).append(option).append(EOL);
}
sb.append("Encountered unexpected token:");
Token tok = currentToken.next;
for (int i = 0; i < maxSize; i++) {
String tokenText = tok.image;
String escapedTokenText = add_escapes(tokenText);
if (i != 0) {
sb.append(" ");
}
if (tok.kind == 0) {
sb.append(tokenImage[0]);
break;
}
sb.append(" \"");
sb.append(escapedTokenText);
sb.append("\"");
sb.append(" " + tokenImage[tok.kind]);
tok = tok.next;
}
sb.append(EOL).append(INDENT).append("at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn);
sb.append(".").append(EOL);
if (expectedTokenSequences.length == 0) {
// Nothing to add here
} else {
int numExpectedTokens = expectedTokenSequences.length;
sb.append(EOL).append("Was expecting"+ (numExpectedTokens == 1 ? ":" : " one of:") + EOL + EOL);
sb.append(expected.toString());
}
// 2013/07/30 --> Seems to be inaccurate as represents the readahead state, not the lexical state BEFORE the unknown token
// if (lexicalStateName != null) {
// sb.append(EOL).append("** Lexical State : ").append(lexicalStateName).append(EOL).append(EOL);
// }
return sb.toString();
}
/**
* Used to convert raw characters to their escaped version
* when these raw version cannot be used as part of an ASCII
* string literal.
*/
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 '\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=b1544a00354a7897f05c2de16f08e4a2 (do not edit this line) */
