org.eclipse.xtext.parser.packrat.consumers

Class NonTerminalConsumer.ElementConsumer<Element extends AbstractElement>

java.lang.Object

org.eclipse.xtext.parser.packrat.consumers.NonTerminalConsumer.ElementConsumer<Element>

All Implemented Interfaces:

IElementConsumer, IParsedTokenSource

Direct Known Subclasses:

NonTerminalConsumer.AlternativesConsumer, NonTerminalConsumer.AssignmentConsumer, NonTerminalConsumer.GroupConsumer, NonTerminalConsumer.LoopElementConsumer, NonTerminalConsumer.MandatoryLoopElementConsumer, NonTerminalConsumer.OptionalElementConsumer, NonTerminalConsumer.UnorderedGroupConsumer

Enclosing class:

NonTerminalConsumer

protected abstract class NonTerminalConsumer.ElementConsumer<Element extends AbstractElement>
extends java.lang.Object
implements IElementConsumer, IParsedTokenSource

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ElementConsumer(Element element)

Method Summary

Modifier and Type	Method and Description
int	consume() Scan the configured input source for a consumable element at the current offset.
protected abstract int	doConsume(boolean optional)
protected Element	getElement()
protected java.lang.String	getErrorMessage()
int	parseAgain(ParsedToken token)

Methods inherited from class java.lang.Object

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

Constructor Detail

ElementConsumer

protected ElementConsumer(Element element)

Method Detail

consume

public int consume()
            throws java.lang.Exception

Description copied from interface: IElementConsumer

Scan the configured input source for a consumable element at the current offset.

Specified by:

consume in interface IElementConsumer

Throws:

java.lang.Exception

parseAgain

public int parseAgain(ParsedToken token)
               throws java.lang.Exception

Specified by:

parseAgain in interface IParsedTokenSource

Throws:

java.lang.Exception

doConsume

protected abstract int doConsume(boolean optional)
                          throws java.lang.Exception

Throws:

java.lang.Exception

getElement

protected final Element getElement()

getErrorMessage

protected java.lang.String getErrorMessage()