net.sf.parser4j.parser.entity.parsestate
Interface IParseState

All Superinterfaces:

java.lang.Iterable<ParseStack>

All Known Implementing Classes:

AbstractParseState, LexParseState, SyntaxParseState

public interface IParseState
extends java.lang.Iterable<ParseStack>

parse state is a set of ParseStack
merge when add existing parse stack ( create alternative for ambiguous grammar)

Author:

luc peuvrier

Method Summary

boolean	add(ParseStack parseStack)
void	clear() clear the parser stack set
boolean	isEmpty()
boolean	remove(ParseStack parseStack)
int	size()
ParseStack[]	toArray()

Methods inherited from interface java.lang.Iterable

iterator

Method Detail

add

boolean add(ParseStack parseStack)
            throws ParserException,
                   HasAmbiguityParserException

Parameters:

parseStack -

Returns:

true if added, else it is an alternative to existing ( ambiguous)

Throws:

ParserException

HasAmbiguityParserException - reject ambiguity

remove

boolean remove(ParseStack parseStack)

clear

void clear()

clear the parser stack set

isEmpty

boolean isEmpty()

size

int size()

toArray

ParseStack[] toArray()

Returns:

parse stack set in array