Package org.parboiled.matchers

Class EmptyMatcher

java.lang.Object

org.parboiled.trees.ImmutableGraphNode<Matcher>

org.parboiled.matchers.AbstractMatcher

org.parboiled.matchers.EmptyMatcher

All Implemented Interfaces:

Cloneable, Matcher, Rule, GraphNode<Matcher>

public class EmptyMatcher
extends AbstractMatcher

A Matcher that always successfully matches nothing.

Constructor Summary

Constructors

Constructor	Description
EmptyMatcher()

Method Summary

Modifier and Type	Method	Description
<R> R	accept(MatcherVisitor<R> visitor)	Accepts the given matcher visitor.
boolean	match(MatcherContext context)	Tries a match on the given MatcherContext.

Methods inherited from class org.parboiled.matchers.AbstractMatcher

areMismatchesMemoed, areSubnodesSuppressed, getLabel, getSubContext, getTag, hasCustomLabel, isNodeSkipped, isNodeSuppressed, label, memoMismatches, setTag, skipNode, suppressNode, suppressSubnodes, toString

Methods inherited from class org.parboiled.trees.ImmutableGraphNode

getChildren

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.parboiled.trees.GraphNode

getChildren

Constructor Details

EmptyMatcher

public EmptyMatcher()

Method Details

match

public boolean match(MatcherContext context)

Description copied from interface: Matcher

Tries a match on the given MatcherContext.

Parameters:

context - the MatcherContext

Returns:

true if the match was successful

accept

public <R> R accept(MatcherVisitor<R> visitor)

Description copied from interface: Matcher

Accepts the given matcher visitor.

Parameters:

visitor - the visitor

Returns:

the value returned by the given visitor