antlr

Class RuleBlock

java.lang.Object

antlr.RuleBlock

public class RuleBlock
extends java.lang.Object

A list of alternatives and info contained in the rule definition.

Field Summary

Fields

Modifier and Type	Field and Description
protected Vector	alternatives
protected int	alti
protected int	altj
protected int	analysisAlt
protected java.lang.String	argAction
static int	AUTO_GEN_BANG
static int	AUTO_GEN_CARET
static int	AUTO_GEN_NONE
protected int	autoGenType
protected Lookahead[]	cache
protected int	column
protected boolean	defaultErrorHandler
protected boolean	doAutoGen
protected java.lang.String	enclosingRuleName
protected antlr.RuleEndElement	endNode
protected boolean	generateAmbigWarnings
protected Grammar	grammar
protected boolean	hasAnAction
protected boolean	hasASynPred
protected int	ID
protected java.lang.String	ignoreRule
protected java.lang.String	initAction
protected java.lang.String	label
protected int	line
protected boolean[]	lock
protected static int	nblks
protected java.lang.String	returnAction
protected java.lang.String	ruleName
protected boolean	testLiterals
protected java.lang.String	throwsSpec
protected boolean	warnWhenFollowAmbig

Constructor Summary

Constructors

Constructor and Description
RuleBlock(Grammar g, java.lang.String r) Construct a named rule.
RuleBlock(Grammar g, java.lang.String r, int line, boolean doAutoGen_) Construct a named rule with line number information

Method Summary

Modifier and Type	Method and Description
void	addAlternative(antlr.Alternative alt)
void	addExceptionSpec(antlr.ExceptionSpec ex)
antlr.ExceptionSpec	findExceptionSpec(java.lang.String label)
antlr.ExceptionSpec	findExceptionSpec(Token label)
void	generate()
antlr.Alternative	getAlternativeAt(int i)
Vector	getAlternatives()
boolean	getAutoGen()
int	getAutoGenType()
int	getColumn()
boolean	getDefaultErrorHandler()
antlr.RuleEndElement	getEndElement()
java.lang.String	getIgnoreRule()
java.lang.String	getInitAction()
java.lang.String	getLabel()
int	getLine()
java.lang.String	getRuleName()
boolean	getTestLiterals()
boolean	isLexerAutoGenRule()
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	setAutoGenType(int a)
void	setDefaultErrorHandler(boolean value)
void	setEndElement(antlr.RuleEndElement re)
void	setInitAction(java.lang.String initAction_)
void	setLabel(java.lang.String label_)
void	setOption(Token key, Token value)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ruleName

protected java.lang.String ruleName

argAction

protected java.lang.String argAction

throwsSpec

protected java.lang.String throwsSpec

returnAction

protected java.lang.String returnAction

endNode

protected antlr.RuleEndElement endNode

testLiterals

protected boolean testLiterals

lock

protected boolean[] lock

cache

protected Lookahead[] cache

defaultErrorHandler

protected boolean defaultErrorHandler

ignoreRule

protected java.lang.String ignoreRule

initAction

protected java.lang.String initAction

alternatives

protected Vector alternatives

label

protected java.lang.String label

alti

protected int alti

altj

protected int altj

analysisAlt

protected int analysisAlt

hasAnAction

protected boolean hasAnAction

hasASynPred

protected boolean hasASynPred

ID

protected int ID

nblks

protected static int nblks

doAutoGen

protected boolean doAutoGen

warnWhenFollowAmbig

protected boolean warnWhenFollowAmbig

generateAmbigWarnings

protected boolean generateAmbigWarnings

autoGenType

protected int autoGenType

enclosingRuleName

protected java.lang.String enclosingRuleName

AUTO_GEN_NONE

public static final int AUTO_GEN_NONE

See Also:

Constant Field Values

AUTO_GEN_CARET

public static final int AUTO_GEN_CARET

See Also:

Constant Field Values

AUTO_GEN_BANG

public static final int AUTO_GEN_BANG

See Also:

Constant Field Values

grammar

protected Grammar grammar

line

protected int line

column

protected int column

Constructor Detail

RuleBlock

public RuleBlock(Grammar g,
                 java.lang.String r)

Construct a named rule.

RuleBlock

public RuleBlock(Grammar g,
                 java.lang.String r,
                 int line,
                 boolean doAutoGen_)

Construct a named rule with line number information

Method Detail

addExceptionSpec

public void addExceptionSpec(antlr.ExceptionSpec ex)

findExceptionSpec

public antlr.ExceptionSpec findExceptionSpec(Token label)

findExceptionSpec

public antlr.ExceptionSpec findExceptionSpec(java.lang.String label)

generate

public void generate()

getDefaultErrorHandler

public boolean getDefaultErrorHandler()

getEndElement

public antlr.RuleEndElement getEndElement()

getIgnoreRule

public java.lang.String getIgnoreRule()

getRuleName

public java.lang.String getRuleName()

getTestLiterals

public boolean getTestLiterals()

isLexerAutoGenRule

public boolean isLexerAutoGenRule()

look

public Lookahead look(int k)

prepareForAnalysis

public void prepareForAnalysis()

setDefaultErrorHandler

public void setDefaultErrorHandler(boolean value)

setEndElement

public void setEndElement(antlr.RuleEndElement re)

setOption

public void setOption(Token key,
                      Token value)

toString

public java.lang.String toString()

addAlternative

public void addAlternative(antlr.Alternative alt)

getAlternativeAt

public antlr.Alternative getAlternativeAt(int i)

getAlternatives

public Vector getAlternatives()

getAutoGen

public boolean getAutoGen()

getInitAction

public java.lang.String getInitAction()

getLabel

public java.lang.String getLabel()

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(java.lang.String initAction_)

setLabel

public void setLabel(java.lang.String label_)

getAutoGenType

public int getAutoGenType()

setAutoGenType

public void setAutoGenType(int a)

getLine

public int getLine()

getColumn

public int getColumn()