fri.patterns.interpreter.parsergenerator.util
Class SyntaxChecker

java.lang.Object
  |
  +--fri.patterns.interpreter.parsergenerator.util.SyntaxChecker

public class SyntaxChecker

extends java.lang.Object

SyntaxChecker checks a EBNF syntax (file) for following things:

• unresolved nonterminals (nonterminals without rule)
• singular rules (nonterminal can be substituted by its singular right symbol)
• isolated rules (redundant, can be removed)
• None or more than one toplevel rule

        SYNTAX: java fri.patterns.interpreter.parsergenerator.util.SyntaxChecker file.syntax [file.syntax ...]
        

Author:

(c) 2000, Fritz Ritzberger

Constructor Summary

SyntaxChecker(java.lang.Object syntaxFile)

SyntaxChecker(Syntax syntax)

Method Summary

boolean	getDiagnosis() Returns false when the checked syntax is not able to be used as lexer or parser configuration.
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SyntaxChecker

public SyntaxChecker(java.lang.Object syntaxFile)
              throws java.lang.Exception

SyntaxChecker

public SyntaxChecker(Syntax syntax)

Method Detail

getDiagnosis

public boolean getDiagnosis()

Returns false when the checked syntax is not able to be used as lexer or parser configuration.

main

public static void main(java.lang.String[] args)