antlr
Class BlockContext

java.lang.Object
  antlr.BlockContext

Direct Known Subclasses:

TreeBlockContext

 class BlockContext
extends java.lang.Object

BlockContext stores the information needed when creating an alternative (list of elements). Entering a subrule requires that we save this state as each block of alternatives requires state such as "tail of current alternative."

Field Summary

(package private) int	altNum
(package private) AlternativeBlock	block
(package private) BlockEndElement	blockEnd

Constructor Summary

BlockContext()

Method Summary

void	addAlternativeElement(AlternativeElement e)
Alternative	currentAlt()
AlternativeElement	currentElement()

Methods inherited from class java.lang.Object

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

Field Detail

block

AlternativeBlock block

altNum

int altNum

blockEnd

BlockEndElement blockEnd

Constructor Detail

BlockContext

BlockContext()

Method Detail

addAlternativeElement

public void addAlternativeElement(AlternativeElement e)

currentAlt

public Alternative currentAlt()

currentElement

public AlternativeElement currentElement()