org.apache.el.parser.TokenMgrError Maven / Gradle / Ivy
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 7.0 */
/* JavaCCOptions: */
package org.apache.el.parser;
/** Token Manager Error. */
@SuppressWarnings("all") // Ignore warnings in generated code
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.
*/
int errorCode;
/**
* Replaces unprintable characters by their escaped (or unicode escaped)
* equivalents in the given string
*/
protected static final String addEscapes(String str) {
StringBuilder retval = new StringBuilder();
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));
} 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 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);
}
}
/* JavaCC - OriginalChecksum=66bf707ee7f559454e7fb080d48291e1 (do not edit this line) */