Package org.antlr.analysis
Class Transition
- java.lang.Object
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- org.antlr.analysis.Transition
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- All Implemented Interfaces:
java.lang.Comparable<Transition>
- Direct Known Subclasses:
RuleClosureTransition
public class Transition extends java.lang.Object implements java.lang.Comparable<Transition>
A generic transition between any two state machine states. It defines some special labels that indicate things like epsilon transitions and that the label is actually a set of labels or a semantic predicate. This is a one way link. It emanates from a state (usually via a list of transitions) and has a label/target pair. I have abstracted the notion of a Label to handle the various kinds of things it can be.
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Constructor Summary
Constructors Constructor Description Transition(int label, State target)
Transition(Label label, State target)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
compareTo(Transition other)
boolean
equals(java.lang.Object o)
int
hashCode()
boolean
isAction()
boolean
isEpsilon()
boolean
isSemanticPredicate()
java.lang.String
toString()
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Method Detail
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isEpsilon
public boolean isEpsilon()
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isAction
public boolean isAction()
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isSemanticPredicate
public boolean isSemanticPredicate()
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hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
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equals
public boolean equals(java.lang.Object o)
- Overrides:
equals
in classjava.lang.Object
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compareTo
public int compareTo(Transition other)
- Specified by:
compareTo
in interfacejava.lang.Comparable<Transition>
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toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
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