compiler/PEGFsaEpsilonTransition.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 24 Aug 2015 17:38:44 +0100
changeset 527 9b50ec9a6918
parent 515 b5316ef15274
permissions -rw-r--r--
Added missing #new methods
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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"{ NameSpace: Smalltalk }"
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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PEGFsaTransition subclass:#PEGFsaEpsilonTransition
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitCompiler-FSA'
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!
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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!PEGFsaEpsilonTransition methodsFor:'gt'!
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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gtName
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    | gtName |
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    gtName := '<eps>'.
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    priority < 0 ifTrue: [ gtName := gtName, ',', priority asString ].
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    ^ gtName
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! !
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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!PEGFsaEpsilonTransition methodsFor:'modifications'!
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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decreasePriorityBy: value
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    "
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        My value has special semantics, when I have negative priority, all the reachable states and transitions should
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        be decreased by that value.
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        In case I am preceded by another epsilon with negative priority, I do not decrease my value, that would multiply
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        the the negative priority effect....
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    "
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    ^ self
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! !
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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!PEGFsaEpsilonTransition methodsFor:'set operations'!
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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intersection: anotherState
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    ^ anotherState
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! !
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!PEGFsaEpsilonTransition methodsFor:'testing'!
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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isEpsilon
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    ^ true
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!
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b5316ef15274 Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
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isEpsilonTransition
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    ^ true
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! !
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