/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 5.0 */
/* JavaCCOptions:KEEP_LINE_COL=null */
/*
* © Copyright FOCONIS AG, 2014
*
* 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.openntf.formula.parse;
import org.openntf.formula.FormulaParseException;
/**
* 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 FormulaParseException {
/**
* The version identifier for this Serializable class. Increment only if the <i>serialized</i> form of the class changes.
*/
private static final long serialVersionUID = 1L;
/**
* 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(final AtFormulaParserImpl parser, final String message) {
super(initialise(parser, message));
}
/**
* 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(final AtFormulaParserImpl parser, final String message) {
String eol = System.getProperty("line.separator", "\n");
String retval = "Encountered \"";
Token tok = parser.token;
retval += message;
retval += "\" at line " + tok.beginLine + ", column " + tok.beginColumn;
retval += "." + eol;
return retval;
}
/**
* 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(final Token currentTokenVal, final int[][] expectedTokenSequencesVal, final 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. */
public ParseException(final String message) {
super(message);
}
/**
* Constructor with message and cause
*
*/
public ParseException(final String message, final Throwable cause) {
super(message, cause);
}
/**
* 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(final Token currentToken, final int[][] expectedTokenSequences, final 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.
*/
static String add_escapes(final 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=51dbed57548ab5839ac93a7ec5e5f7dd (do not edit this line) */