commonMain.org.luaj.vm2.parser.TokenMgrError.kt Maven / Gradle / Ivy
/* Generated By:JavaCC: Do not edit this line. TokenMgrError.java Version 5.0 */
/* JavaCCOptions: */
package org.luaj.vm2.parser
/** Token Manager Error. */
class TokenMgrError : Error {
/**
* Indicates the reason why the exception is thrown. It will have
* one of the above 4 values.
*/
internal var errorCode: Int = 0
/*
* Constructors of various flavors follow.
*/
/** No arg constructor. */
constructor() {}
/** Constructor with message and reason. */
constructor(message: String, reason: Int) : super(message) {
errorCode = reason
}
/** Full Constructor. */
constructor(
EOFSeen: Boolean,
lexState: Int,
errorLine: Int,
errorColumn: Int,
errorAfter: String,
curChar: Char,
reason: Int
) : this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason)
companion object {
/*
* Ordinals for various reasons why an Error of this type can be thrown.
*/
/** Lexical error occurred. */
const val LEXICAL_ERROR = 0
/** An attempt was made to create a second instance of a static token manager. */
const val STATIC_LEXER_ERROR = 1
/** Tried to change to an invalid lexical state. */
const val INVALID_LEXICAL_STATE = 2
/** Detected (and bailed out of) an infinite loop in the token manager. */
const val LOOP_DETECTED = 3
/**
* Replaces unprintable characters by their escaped (or unicode escaped)
* equivalents in the given string
*/
protected fun addEscapes(str: String): String {
val retval = StringBuilder()
var ch: Char
loop@for (i in 0 until str.length) {
when (str[i]) {
'\u0000' -> Unit
'\b' -> retval.append("\\b")
'\t' -> retval.append("\\t")
'\n' -> retval.append("\\n")
'\u000c' -> retval.append("\\f")
'\r' -> retval.append("\\r")
'\"' -> retval.append("\\\"")
'\'' -> retval.append("\\\'")
'\\' -> retval.append("\\\\")
else -> {
if (run {
ch = str[i]
(ch).toInt() < 0x20
} || ch.toInt() > 0x7e
) {
val s = "0000" + ch.toInt().toString(16)
retval.append("\\u" + s.substring(s.length - 4, s.length))
} else {
retval.append(ch)
}
continue@loop
}
}
}
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 fun LexicalError(
EOFSeen: Boolean, lexState: Int,
errorLine: Int, errorColumn: Int, errorAfter: String,
curChar: Char
): String = "Lexical error at line " +
errorLine + ", column " +
errorColumn + ". Encountered: " +
(if (EOFSeen) " " else "\"" + addEscapes(curChar.toString()) + "\"" + " (" + curChar.toInt() + "), ") +
"after : \"" + addEscapes(errorAfter) + "\""
}
}
/* JavaCC - OriginalChecksum=bd3720425dc7b44a5223b12676db358c (do not edit this line) */