dk.brics.grammar.parser
Class AST2Grammar

java.lang.Object
  dk.brics.grammar.parser.AST2Grammar

public class AST2Grammar
extends Object

Converter from ASTs representing grammars to Grammar objects.

Constructor Summary

AST2Grammar()
Constructs a new converter.

Method Summary

Grammar

convert(AST a, PrintWriter out) Converts the given AST.

Methods inherited from class java.lang.Object

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

Constructor Detail

AST2Grammar

public AST2Grammar()

Constructs a new converter.

Method Detail

convert

public Grammar convert(AST a,
                       PrintWriter out)
                throws GrammarException

Converts the given AST.

Parameters:

a - AST

out - grammar warnings are printed to this stream if non-null (currently checking for unused regular expressions and issues described in GrammarChecker.check(Grammar,PrintWriter))

Returns:

grammar

Throws:

GrammarException - if the grammar is not well-defined