/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 3.0 */
package org.apache.hadoop.hive.serde2.dynamic_type;
public class TokenMgrError extends Error {
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/**
* Lexical error occured.
*/
static final int LEXICAL_ERROR = 0;
/**
* An attempt wass 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 espaced (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 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 lexicl error curLexState : lexical state in which this error
* occured errorLine : line number when the error occured errorColumn : column
* number when the error occured errorAfter : prefix that was seen before this
* error occured curchar : the offending character Note: You can customize the
* lexical error message by modifying this method.
*/
protected static String LexicalError(boolean EOFSeen, int lexState,
int errorLine, int errorColumn, String errorAfter, 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.
*/
public TokenMgrError() {
}
public TokenMgrError(String message, int reason) {
super(message);
errorCode = reason;
}
public TokenMgrError(boolean EOFSeen, int lexState, int errorLine,
int errorColumn, String errorAfter, char curChar, int reason) {
this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter,
curChar), reason);
}
}