compiler/PPCAbstractPredicateNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 17 Aug 2015 12:13:16 +0100
changeset 515 b5316ef15274
parent 452 9f4558b3be66
permissions -rw-r--r--
Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17 Name: PetitCompiler-JanKurs.160 Author: JanKurs Time: 17-08-2015, 09:52:26.291 AM UUID: 3b4bfc98-8098-4951-af83-a59e2585b121 Name: PetitCompiler-Tests-JanKurs.112 Author: JanKurs Time: 16-08-2015, 05:00:32.936 PM UUID: 85613d47-08f3-406f-9823-9cdab451e805 Name: PetitCompiler-Extras-Tests-JanKurs.25 Author: JanKurs Time: 16-08-2015, 05:00:10.328 PM UUID: 09731810-51a1-4151-8d3a-56b636fbd1f7 Name: PetitCompiler-Benchmarks-JanKurs.17 Author: JanKurs Time: 05-08-2015, 05:29:32.407 PM UUID: e544b5f1-bcf8-470b-93a6-d2363e4dfc8a
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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PPCNode subclass:#PPCAbstractPredicateNode
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	instanceVariableNames:'predicate'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitCompiler-Nodes'
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!
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!PPCAbstractPredicateNode methodsFor:'accessing'!
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defaultName
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    ^ #predicate
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!
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predicate
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    ^ predicate
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!
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predicate: anObject
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    predicate := anObject
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! !
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!PPCAbstractPredicateNode methodsFor:'analysis'!
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acceptsEpsilon
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    ^ false
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!
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firstCharSet
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    ^ PPCharSetPredicate on: predicate
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! !
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!PPCAbstractPredicateNode methodsFor:'comparing'!
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= anotherNode
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    super = anotherNode ifFalse: [ ^ false ].
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    ^ predicate = anotherNode predicate.
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!
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hash
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    ^ super hash bitXor: predicate hash
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!
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recognizedSentencesPrim
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    | retval |
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    retval := OrderedCollection new.
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    "TODO JK: Works only for ASCII :("
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    1 to: 255 do: [ :i |
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        (predicate value: (Character codePoint: i)) ifTrue: [ 
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            retval add: (Character codePoint: i) asString 
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        ]
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    ].
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    ^ retval
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! !
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!PPCAbstractPredicateNode methodsFor:'compiling'!
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extendClassification: classification
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    ^ (classification asOrderedCollection addLast: false; yourself) asArray
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! !
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!PPCAbstractPredicateNode class methodsFor:'documentation'!
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version_HG
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    ^ '$Changeset: <not expanded> $'
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! !
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