Package org.eclipse.xtext.formatting.impl

Class ElementMatcherProvider.TransitionMatcher<T extends IElementMatcherProvider.IElementPattern>

java.lang.Object

org.eclipse.xtext.formatting.impl.ElementMatcherProvider.TransitionMatcher<T>

All Implemented Interfaces:

IElementMatcherProvider.IElementMatcher<T>, IElementMatcherProvider.IElementMatcherExtension<T>

Enclosing class:

ElementMatcherProvider

protected static class ElementMatcherProvider.TransitionMatcher<T extends IElementMatcherProvider.IElementPattern>
extends java.lang.Object
implements IElementMatcherProvider.IElementMatcherExtension<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected IGrammarAccess	grammar
protected MatcherState	lastState
protected MatcherNFAProvider	nfaProvider
protected java.util.Stack<MatcherState>	ruleCallStack

Constructor Summary

Constructors

Constructor	Description
TransitionMatcher(IGrammarAccess grammar, MatcherNFAProvider nfaProvider, java.lang.Iterable<T> patterns)

Method Summary

Modifier and Type	Method	Description
protected java.util.Set<MatcherState>	findRuleCallsTo(AbstractRule rule, java.util.Set<AbstractRule> visited)
org.eclipse.xtext.util.Pair<java.lang.Integer,RuleCall>	findTopmostRuleCall(com.google.common.base.Predicate<RuleCall> predicate)
protected org.eclipse.xtext.util.Pair<java.util.List<MatcherTransition>,java.util.List<MatcherState>>	findTransitionPath(MatcherState from, AbstractElement to, boolean returning, boolean canReturn, java.util.Set<org.eclipse.xtext.util.Pair<java.lang.Boolean,MatcherState>> visited)
protected java.util.List<MatcherTransition>	findTransitionsToToken(MatcherState from, java.util.Set<MatcherState> targets, boolean returning, boolean canReturn, java.util.Set<MatcherState> visited)
java.util.Collection<T>	finish()
protected java.util.Set<MatcherState>	getAllStates(AbstractElement element)
IGrammarAccess	getGrammar()
MatcherNFAProvider	getNfaProvider()
void	init(ParserRule rule)
protected void	installAfter(IElementMatcherProvider.IAfterElement pattern)
protected void	installAllPatterns(java.lang.Iterable<T> patterns)
protected void	installBefore(IElementMatcherProvider.IBeforeElement pattern)
protected void	installBetween(IElementMatcherProvider.IBetweenElements pattern)
protected void	installBetween(IElementMatcherProvider.IBetweenElements pattern, AbstractElement loopCenter)
protected void	installBetween(IElementMatcherProvider.IBetweenElements pattern, AbstractElement first, AbstractElement second)
java.util.Collection<T>	matchNext(AbstractElement nextElement)
protected java.util.Collection<T>	patternsForTransition(org.eclipse.xtext.util.Pair<java.util.List<MatcherTransition>,java.util.List<MatcherState>> transition)
protected java.util.Collection<T>	patternsForTwoStates(MatcherState first, MatcherState second)

Methods inherited from class java.lang.Object

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

Field Detail

grammar

protected IGrammarAccess grammar

lastState

protected MatcherState lastState

nfaProvider

protected MatcherNFAProvider nfaProvider

ruleCallStack

protected java.util.Stack<MatcherState> ruleCallStack

Constructor Detail

TransitionMatcher

public TransitionMatcher(IGrammarAccess grammar,
                         MatcherNFAProvider nfaProvider,
                         java.lang.Iterable<T> patterns)

Method Detail

findRuleCallsTo

protected java.util.Set<MatcherState> findRuleCallsTo(AbstractRule rule,
                                                      java.util.Set<AbstractRule> visited)

findTopmostRuleCall

public org.eclipse.xtext.util.Pair<java.lang.Integer,RuleCall> findTopmostRuleCall(com.google.common.base.Predicate<RuleCall> predicate)

Specified by:

findTopmostRuleCall in interface IElementMatcherProvider.IElementMatcher<T extends IElementMatcherProvider.IElementPattern>

findTransitionPath

protected org.eclipse.xtext.util.Pair<java.util.List<MatcherTransition>,java.util.List<MatcherState>> findTransitionPath(MatcherState from,
                                                                                                                               AbstractElement to,
                                                                                                                               boolean returning,
                                                                                                                               boolean canReturn,
                                                                                                                               java.util.Set<org.eclipse.xtext.util.Pair<java.lang.Boolean,MatcherState>> visited)

findTransitionsToToken

protected java.util.List<MatcherTransition> findTransitionsToToken(MatcherState from,
                                                                   java.util.Set<MatcherState> targets,
                                                                   boolean returning,
                                                                   boolean canReturn,
                                                                   java.util.Set<MatcherState> visited)

finish

public java.util.Collection<T> finish()

Specified by:

finish in interface IElementMatcherProvider.IElementMatcher<T extends IElementMatcherProvider.IElementPattern>

getAllStates

protected java.util.Set<MatcherState> getAllStates(AbstractElement element)

getGrammar

public IGrammarAccess getGrammar()

getNfaProvider

public MatcherNFAProvider getNfaProvider()

installAfter

protected void installAfter(IElementMatcherProvider.IAfterElement pattern)

installAllPatterns

protected void installAllPatterns(java.lang.Iterable<T> patterns)

installBefore

protected void installBefore(IElementMatcherProvider.IBeforeElement pattern)

installBetween

protected void installBetween(IElementMatcherProvider.IBetweenElements pattern)

installBetween

protected void installBetween(IElementMatcherProvider.IBetweenElements pattern,
                              AbstractElement loopCenter)

installBetween

protected void installBetween(IElementMatcherProvider.IBetweenElements pattern,
                              AbstractElement first,
                              AbstractElement second)

init

public void init(ParserRule rule)

Specified by:

init in interface IElementMatcherProvider.IElementMatcherExtension<T extends IElementMatcherProvider.IElementPattern>

Since:

2.0

matchNext

public java.util.Collection<T> matchNext(AbstractElement nextElement)

Specified by:

matchNext in interface IElementMatcherProvider.IElementMatcher<T extends IElementMatcherProvider.IElementPattern>

patternsForTransition

protected java.util.Collection<T> patternsForTransition(org.eclipse.xtext.util.Pair<java.util.List<MatcherTransition>,java.util.List<MatcherState>> transition)

patternsForTwoStates

protected java.util.Collection<T> patternsForTwoStates(MatcherState first,
                                                       MatcherState second)