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

Fields

Modifier and Type	Field and Description
(package private) int	altNum
(package private) AlternativeBlock	block
(package private) BlockEndElement	blockEnd

Constructor Summary

Constructors

Constructor and Description
BlockContext()

Method Summary

Modifier and Type	Method and Description
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()