antlr

Class AlternativeBlock

class AlternativeBlock extends AlternativeElement

A list of alternatives

Field Summary
protected Vector	alternatives
protected int	alti
protected int	altj
protected int	analysisAlt
protected boolean	doAutoGen
protected boolean	generateAmbigWarnings
boolean	greedy
boolean	greedySet
protected boolean	hasAnAction
protected boolean	hasASynPred
protected String	initAction
protected int	ID
protected String	label
protected static int	nblks
boolean	not
protected boolean	warnWhenFollowAmbig

Constructor Summary
	AlternativeBlock(Grammar g)
	AlternativeBlock(Grammar g, Token start, boolean not)

Method Summary
void	addAlternative(Alternative alt)
void	generate()
Alternative	getAlternativeAt(int i)
Vector	getAlternatives()
boolean	getAutoGen()
String	getInitAction()
String	getLabel()
Lookahead	look(int k)
void	prepareForAnalysis()
void	removeTrackingOfRuleRefs(Grammar g) Walk the syntactic predicate and, for a rule ref R, remove the ref from the list of FOLLOW references for R (stored in the symbol table.
void	setAlternatives(Vector v)
void	setAutoGen(boolean doAutoGen_)
void	setInitAction(String initAction_)
void	setLabel(String label_)
void	setOption(Token key, Token value)
String	toString()

Field Detail

alternatives

protected Vector alternatives

alti

protected int alti

altj

protected int altj

analysisAlt

protected int analysisAlt

doAutoGen

protected boolean doAutoGen

generateAmbigWarnings

protected boolean generateAmbigWarnings

greedy

boolean greedy

greedySet

boolean greedySet

hasAnAction

protected boolean hasAnAction

hasASynPred

protected boolean hasASynPred

initAction

protected String initAction

ID

protected int ID

label

protected String label

nblks

protected static int nblks

not

boolean not

warnWhenFollowAmbig

protected boolean warnWhenFollowAmbig

Constructor Detail

AlternativeBlock

public AlternativeBlock(Grammar g)

AlternativeBlock

public AlternativeBlock(Grammar g, Token start, boolean not)

Method Detail

addAlternative

public void addAlternative(Alternative alt)

generate

public void generate()

getAlternativeAt

public Alternative getAlternativeAt(int i)

getAlternatives

public Vector getAlternatives()

getAutoGen

public boolean getAutoGen()

getInitAction

public String getInitAction()

getLabel

public String getLabel()

look

public Lookahead look(int k)

prepareForAnalysis

public void prepareForAnalysis()

removeTrackingOfRuleRefs

public void removeTrackingOfRuleRefs(Grammar g)

Walk the syntactic predicate and, for a rule ref R, remove the ref from the list of FOLLOW references for R (stored in the symbol table.

setAlternatives

public void setAlternatives(Vector v)

setAutoGen

public void setAutoGen(boolean doAutoGen_)

setInitAction

public void setInitAction(String initAction_)

setLabel

public void setLabel(String label_)

setOption

public void setOption(Token key, Token value)

toString

public String toString()