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/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 6.1 */
/* JavaCCOptions: */
package com.google.common.css.compiler.ast;
import static com.google.common.css.compiler.ast.EscapeUtil.addEscapes;
/**
* Token Manager Error.
*/
public class TokenMgrError extends Error {
/**
* The version identifier for this Serializable class.
* Increment only if the serialized 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.
*/
public static final int LEXICAL_ERROR = 0;
/**
* An attempt was made to create a second instance of a static token manager.
*/
public static final int STATIC_LEXER_ERROR = 1;
/**
* Tried to change to an invalid lexical state.
*/
public static final int INVALID_LEXICAL_STATE = 2;
/**
* Detected (and bailed out of) an infinite loop in the token manager.
*/
public static final int LOOP_DETECTED = 3;
/**
* Indicates the reason why the exception is thrown. It will have
* one of the above 4 values.
*/
private int errorCode;
/**
* 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 lexicalErr(boolean eofseen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar) {
char curChar1 = (char) curChar;
return ("Lexical error at line " +
errorLine + ", column " +
errorColumn + ". Encountered: " +
(eofseen ? " " : ("\"" + addEscapes(String.valueOf(curChar1)) + "\"") + " (" + 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(String message, int reason) {
super(message);
errorCode = reason;
}
/**
* Full Constructor.
*/
public TokenMgrError(boolean eofseen, int lexState, int errorLine, int errorColumn, String errorAfter, int curChar, int reason) {
this(lexicalErr(eofseen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
}
}