/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
/* JavaCCOptions: */
/*
* © 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;
/** Token Manager Error. */
public class TokenMgrError extends Error {
/**
* 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;
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/**
* Lexical error occurred.
*/
static final int LEXICAL_ERROR = 0;
/**
* An attempt was made to create a second instance of a static token manager.
*/
static final int STATIC_LEXER_ERROR = 1;
/**
* Tried to change to an invalid lexical state.
*/
static final int INVALID_LEXICAL_STATE = 2;
/**
* Detected (and bailed out of) an infinite loop in the token manager.
*/
static final int LOOP_DETECTED = 3;
/**
* Indicates the reason why the exception is thrown. It will have one of the above 4 values.
*/
int errorCode;
/**
* Replaces unprintable characters by their escaped (or unicode escaped) equivalents in the given string
*/
protected static final String addEscapes(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();
}
/**
* Returns a detailed message for the Error when it is thrown by the token manager to indicate a lexical error. Parameters : EOFSeen :
* indicates if EOF caused the lexical error curLexState : lexical state in which this error occurred errorLine : line number when the
* error occurred errorColumn : column number when the error occurred errorAfter : prefix that was seen before this error occurred
* curchar : the offending character Note: You can customize the lexical error message by modifying this method.
*/
protected static String LexicalError(final boolean EOFSeen, final int lexState, final int errorLine, final int errorColumn,
final String errorAfter, final char curChar) {
return ("Lexical error at line " + errorLine + ", column " + errorColumn + ". Encountered: "
+ (EOFSeen ? "<EOF> " : ("\"" + addEscapes(String.valueOf(curChar)) + "\"") + " (" + (int) curChar + "), ") + "after : \""
+ addEscapes(errorAfter) + "\"");
}
/**
* You can also modify the body of this method to customize your error messages. For example, cases like LOOP_DETECTED and
* INVALID_LEXICAL_STATE are not of end-users concern, so you can return something like :
*
* "Internal Error : Please file a bug report .... "
*
* from this method for such cases in the release version of your parser.
*/
@Override
public String getMessage() {
return super.getMessage();
}
/*
* Constructors of various flavors follow.
*/
/** No arg constructor. */
public TokenMgrError() {
}
/** Constructor with message and reason. */
public TokenMgrError(final String message, final int reason) {
super(message);
errorCode = reason;
}
/** Full Constructor. */
public TokenMgrError(final boolean EOFSeen, final int lexState, final int errorLine, final int errorColumn, final String errorAfter,
final char curChar, final int reason) {
this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
}
}
/* JavaCC - OriginalChecksum=b350e3be43405efed42b4494b9901ebd (do not edit this line) */