org.eclipse.xtext.parser.packrat.consumers

Class NonTerminalConsumer

java.lang.Object

org.eclipse.xtext.parser.packrat.consumers.AbstractConsumer

org.eclipse.xtext.parser.packrat.consumers.NonTerminalConsumer

All Implemented Interfaces:

INonTerminalConsumer, INonTerminalConsumerConfiguration

public abstract class NonTerminalConsumer
extends AbstractConsumer
implements INonTerminalConsumer, INonTerminalConsumerConfiguration

Author:

Sebastian Zarnekow - Initial contribution and API

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	NonTerminalConsumer.AbstractElementResult<Element extends AbstractElement>
protected class	NonTerminalConsumer.AlternativesConsumer
protected class	NonTerminalConsumer.AlternativesResult
protected class	NonTerminalConsumer.AssignmentConsumer
protected class	NonTerminalConsumer.AssignmentResult
protected static class	NonTerminalConsumer.ConsumerAcceptor
protected class	NonTerminalConsumer.ElementConsumer<Element extends AbstractElement>
protected class	NonTerminalConsumer.GroupConsumer
protected class	NonTerminalConsumer.GroupResult
protected class	NonTerminalConsumer.LoopAlternativesConsumer
protected class	NonTerminalConsumer.LoopAssignmentConsumer
protected class	NonTerminalConsumer.LoopElementConsumer<Element extends AbstractElement>
protected class	NonTerminalConsumer.LoopGroupConsumer
protected class	NonTerminalConsumer.LoopUnorderedGroupConsumer
protected class	NonTerminalConsumer.MandatoryLoopAlternativesConsumer
protected class	NonTerminalConsumer.MandatoryLoopAssignmentConsumer
protected class	NonTerminalConsumer.MandatoryLoopElementConsumer<Element extends AbstractElement>
protected class	NonTerminalConsumer.MandatoryLoopGroupConsumer
protected class	NonTerminalConsumer.MandatoryLoopUnorderedGroupConsumer
protected class	NonTerminalConsumer.OptionalAlternativesConsumer
protected class	NonTerminalConsumer.OptionalAssignmentConsumer
protected class	NonTerminalConsumer.OptionalElementConsumer<Element extends AbstractElement>
protected class	NonTerminalConsumer.OptionalGroupConsumer
protected class	NonTerminalConsumer.OptionalUnorderedGroupConsumer
protected class	NonTerminalConsumer.UnorderedGroupConsumer
protected class	NonTerminalConsumer.UnorderedGroupResult

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	SUCCESS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NonTerminalConsumer(INonTerminalConsumerConfiguration configuration, ITerminalConsumer[] hiddenTokens)

Method Summary

Methods

Modifier and Type	Method and Description
int	consume(String feature, boolean isMany, boolean isDatatype, boolean isBoolean, AbstractElement grammarElement, boolean optional)
protected void	consumeAction(Action action, boolean isMany)
void	consumeAsRoot(IRootConsumerListener listener)
protected int	consumeEnum(EnumLiteralDeclaration literal, ICharacterClass notFollowedBy)
protected int	consumeKeyword(Keyword keyword, String feature, boolean isMany, boolean isBoolean, ICharacterClass notFollowedBy, boolean optional)
protected int	consumeNonTerminal(INonTerminalConsumer consumer, String feature, boolean isMany, boolean isDatatype, boolean isBoolean, AbstractElement grammarElement, boolean optional)
protected int	consumeTerminal(ITerminalConsumer consumer, String feature, boolean isMany, boolean isBoolean, AbstractElement grammarElement, ISequenceMatcher notMatching, boolean optional)
protected abstract int	doConsume()
protected void	error(String message, AbstractElement grammarElement)
IBacktracker	getBacktracker()
IConsumerUtility	getConsumerUtil()
protected abstract org.eclipse.emf.ecore.EClassifier	getDefaultType()
protected abstract AbstractRule	getGrammarElement()
IHiddenTokenHandler	getHiddenTokenHandler()
IMarkerFactory	getMarkerFactory()
boolean	isDefiningHiddens()
protected IMarkerFactory.IMarker	mark()
IBacktracker.IBacktrackingResult	skipPreviousToken()
String	toString()

Methods inherited from class org.eclipse.xtext.parser.packrat.consumers.AbstractConsumer

getInput, getOffset, getTokenAcceptor

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.xtext.parser.packrat.consumers.INonTerminalConsumerConfiguration

getInput, getTokenAcceptor

Field Detail

SUCCESS

protected static final int SUCCESS

See Also:

Constant Field Values

Constructor Detail

NonTerminalConsumer

protected NonTerminalConsumer(INonTerminalConsumerConfiguration configuration,
                   ITerminalConsumer[] hiddenTokens)

Method Detail

skipPreviousToken

public IBacktracker.IBacktrackingResult skipPreviousToken()

isDefiningHiddens

public boolean isDefiningHiddens()

Specified by:

isDefiningHiddens in interface INonTerminalConsumer

consume

public int consume(String feature,
          boolean isMany,
          boolean isDatatype,
          boolean isBoolean,
          AbstractElement grammarElement,
          boolean optional)
            throws Exception

Specified by:

consume in interface INonTerminalConsumer

Throws:

Exception

consumeAsRoot

public void consumeAsRoot(IRootConsumerListener listener)

Specified by:

consumeAsRoot in interface INonTerminalConsumer

mark

protected final IMarkerFactory.IMarker mark()

error

protected final void error(String message,
         AbstractElement grammarElement)

consumeKeyword

protected final int consumeKeyword(Keyword keyword,
                 String feature,
                 boolean isMany,
                 boolean isBoolean,
                 ICharacterClass notFollowedBy,
                 boolean optional)

consumeEnum

protected final int consumeEnum(EnumLiteralDeclaration literal,
              ICharacterClass notFollowedBy)

consumeTerminal

protected final int consumeTerminal(ITerminalConsumer consumer,
                  String feature,
                  boolean isMany,
                  boolean isBoolean,
                  AbstractElement grammarElement,
                  ISequenceMatcher notMatching,
                  boolean optional)

consumeNonTerminal

protected final int consumeNonTerminal(INonTerminalConsumer consumer,
                     String feature,
                     boolean isMany,
                     boolean isDatatype,
                     boolean isBoolean,
                     AbstractElement grammarElement,
                     boolean optional)
                                throws Exception

Throws:

Exception

consumeAction

protected final void consumeAction(Action action,
                 boolean isMany)

doConsume

protected abstract int doConsume()
                          throws Exception

Throws:

Exception

getDefaultType

protected abstract org.eclipse.emf.ecore.EClassifier getDefaultType()

getGrammarElement

protected abstract AbstractRule getGrammarElement()

getConsumerUtil

public IConsumerUtility getConsumerUtil()

Specified by:

getConsumerUtil in interface INonTerminalConsumerConfiguration

getHiddenTokenHandler

public IHiddenTokenHandler getHiddenTokenHandler()

Specified by:

getHiddenTokenHandler in interface INonTerminalConsumerConfiguration

getMarkerFactory

public IMarkerFactory getMarkerFactory()

Specified by:

getMarkerFactory in interface INonTerminalConsumerConfiguration

getBacktracker

public IBacktracker getBacktracker()

Specified by:

getBacktracker in interface INonTerminalConsumerConfiguration

toString

public String toString()

Overrides:

toString in class Object