antlr

Class RuleBlock

java.lang.Object

antlr.GrammarElement

antlr.AlternativeElement

antlr.AlternativeBlock

antlr.RuleBlock

public class RuleBlock
extends AlternativeBlock

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

Field Summary

Fields

Modifier and Type	Field and Description
protected String	argAction
protected Lookahead[]	cache
protected boolean	defaultErrorHandler
protected RuleEndElement	endNode
(package private) Hashtable	exceptionSpecs
protected String	ignoreRule
(package private) Vector	labeledElements
protected boolean[]	lock
protected String	returnAction
protected String	ruleName
protected boolean	testLiterals
protected String	throwsSpec

Fields inherited from class antlr.AlternativeBlock

alternatives, alti, altj, analysisAlt, doAutoGen, generateAmbigWarnings, greedy, greedySet, hasAnAction, hasASynPred, ID, initAction, label, nblks, not, warnWhenFollowAmbig

Fields inherited from class antlr.AlternativeElement

autoGenType, enclosingRuleName, next

Fields inherited from class antlr.GrammarElement

AUTO_GEN_BANG, AUTO_GEN_CARET, AUTO_GEN_NONE, column, grammar, line

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	addExceptionSpec(ExceptionSpec ex)
ExceptionSpec	findExceptionSpec(String label)
ExceptionSpec	findExceptionSpec(Token label)
void	generate()
boolean	getDefaultErrorHandler()
RuleEndElement	getEndElement()
String	getIgnoreRule()
String	getRuleName()
boolean	getTestLiterals()
boolean	isLexerAutoGenRule()
Lookahead	look(int k)
void	prepareForAnalysis()
void	setDefaultErrorHandler(boolean value)
void	setEndElement(RuleEndElement re)
void	setOption(Token key, Token value)
String	toString()

Methods inherited from class antlr.AlternativeBlock

addAlternative, getAlternativeAt, getAlternatives, getAutoGen, getInitAction, getLabel, removeTrackingOfRuleRefs, setAlternatives, setAutoGen, setInitAction, setLabel

Methods inherited from class antlr.AlternativeElement

getAutoGenType, setAutoGenType

Methods inherited from class antlr.GrammarElement

getColumn, getLine

Methods inherited from class java.lang.Object

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

Field Detail

ruleName

protected String ruleName

argAction

protected String argAction

throwsSpec

protected String throwsSpec

returnAction

protected String returnAction

endNode

protected RuleEndElement endNode

testLiterals

protected boolean testLiterals

labeledElements

Vector labeledElements

lock

protected boolean[] lock

cache

protected Lookahead[] cache

exceptionSpecs

Hashtable exceptionSpecs

defaultErrorHandler

protected boolean defaultErrorHandler

ignoreRule

protected String ignoreRule

Constructor Detail

RuleBlock

public RuleBlock(Grammar g,
                 String r)

Construct a named rule.

RuleBlock

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

Construct a named rule with line number information

Method Detail

addExceptionSpec

public void addExceptionSpec(ExceptionSpec ex)

findExceptionSpec

public ExceptionSpec findExceptionSpec(Token label)

findExceptionSpec

public ExceptionSpec findExceptionSpec(String label)

generate

public void generate()

Overrides:

generate in class AlternativeBlock

getDefaultErrorHandler

public boolean getDefaultErrorHandler()

getEndElement

public RuleEndElement getEndElement()

getIgnoreRule

public String getIgnoreRule()

getRuleName

public String getRuleName()

getTestLiterals

public boolean getTestLiterals()

isLexerAutoGenRule

public boolean isLexerAutoGenRule()

look

public Lookahead look(int k)

Overrides:

look in class AlternativeBlock

prepareForAnalysis

public void prepareForAnalysis()

Overrides:

prepareForAnalysis in class AlternativeBlock

setDefaultErrorHandler

public void setDefaultErrorHandler(boolean value)

setEndElement

public void setEndElement(RuleEndElement re)

setOption

public void setOption(Token key,
                      Token value)

Overrides:

setOption in class AlternativeBlock

toString

public String toString()

Overrides:

toString in class AlternativeBlock