/* * Copyright (c) 1999, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* Generated By:JavaCC: Do not edit this line. ParseException.java Version 0.7pre6 */package com.sun.tools.example.debug.expr;/** * 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 { private static final long serialVersionUID = 7978489144303647901L; /** * 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. The boolean * flag "specialConstructor" is also set to true to indicate that * this constructor was used to create this object. * This constructor calls its super class with the empty string * to force the "toString" method of parent class "Throwable" to * print the error message in the form: * ParseException: <result of getMessage> */ public ParseException(Token currentTokenVal, int[][] expectedTokenSequencesVal, String[] tokenImageVal ) { super(""); specialConstructor = true; 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(); specialConstructor = false; } public ParseException(String message) { super(message); specialConstructor = false; } /** * This variable determines which constructor was used to create * this object and thereby affects the semantics of the * "getMessage" method (see below). */ protected boolean specialConstructor; /** * 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; /** * This method has the standard behavior when this object has been * created using the standard constructors. Otherwise, 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), then this method is called during the printing * of the final stack trace, and hence the correct error message * gets displayed. */ @Override public String getMessage() { if (!specialConstructor) { return super.getMessage(); } String expected = ""; int maxSize = 0; for (int[] expectedTokenSequence : expectedTokenSequences) { if (maxSize < expectedTokenSequence.length) { maxSize = expectedTokenSequence.length; } for (int j = 0; j < expectedTokenSequence.length; j++) { expected += tokenImage[expectedTokenSequence[j]] + " "; } if (expectedTokenSequence[expectedTokenSequence.length - 1] != 0) { expected += "..."; } expected += eol + " "; } 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 += add_escapes(tok.image); tok = tok.next; } retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn + "." + eol; if (expectedTokenSequences.length == 1) { retval += "Was expecting:" + eol + " "; } else { retval += "Was expecting one of:" + eol + " "; } retval += expected; 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. */ protected 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(); }}
/*
* Copyright (c) 1999, 2001, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* Generated By:JavaCC: Do not edit this line. ParseException.java Version 0.7pre6 */
package com.sun.tools.example.debug.expr;
/**
* 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 {
private static final long serialVersionUID = 7978489144303647901L;
/**
* 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. The boolean
* flag "specialConstructor" is also set to true to indicate that
* this constructor was used to create this object.
* This constructor calls its super class with the empty string
* to force the "toString" method of parent class "Throwable" to
* print the error message in the form:
* ParseException: <result of getMessage>
*/
public ParseException(Token currentTokenVal,
int[][] expectedTokenSequencesVal,
String[] tokenImageVal
)
{
super("");
specialConstructor = true;
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();
specialConstructor = false;
}
public ParseException(String message) {
super(message);
specialConstructor = false;
}
/**
* This variable determines which constructor was used to create
* this object and thereby affects the semantics of the
* "getMessage" method (see below).
*/
protected boolean specialConstructor;
/**
* 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;
/**
* This method has the standard behavior when this object has been
* created using the standard constructors. Otherwise, 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), then this method is called during the printing
* of the final stack trace, and hence the correct error message
* gets displayed.
*/
@Override
public String getMessage() {
if (!specialConstructor) {
return super.getMessage();
}
String expected = "";
int maxSize = 0;
for (int[] expectedTokenSequence : expectedTokenSequences) {
if (maxSize < expectedTokenSequence.length) {
maxSize = expectedTokenSequence.length;
}
for (int j = 0; j < expectedTokenSequence.length; j++) {
expected += tokenImage[expectedTokenSequence[j]] + " ";
}
if (expectedTokenSequence[expectedTokenSequence.length - 1] != 0) {
expected += "...";
}
expected += eol + " ";
}
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 += add_escapes(tok.image);
tok = tok.next;
}
retval += "\" at line " + currentToken.next.beginLine + ", column " + currentToken.next.beginColumn + "." + eol;
if (expectedTokenSequences.length == 1) {
retval += "Was expecting:" + eol + " ";
} else {
retval += "Was expecting one of:" + eol + " ";
}
retval += expected;
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.
*/
protected 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();
}
}