compiler/PPCStarMessagePredicateNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Wed, 17 Jun 2015 16:49:28 +0100
changeset 492 fc3dbe5654c5
parent 464 f6d77fee9811
child 515 b5316ef15274
permissions -rw-r--r--
Use #deepCopy instead of #copy when copying RB parse tree ...because #copy make a copy if child nodes but does not set their parents properly. Therefore node replacing does not work because it replaces it in wrong tree (original, not the copy).
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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PPCStarNode subclass:#PPCStarMessagePredicateNode
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	instanceVariableNames:'message'
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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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!PPCStarMessagePredicateNode methodsFor:'accessing'!
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firstCharSet
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    ^ PPCharSetPredicate on: [:char | char perform: message ] 	
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!
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message
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    ^ message
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!
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message: anObject
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    message := anObject
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!
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prefix
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    ^ #starPredicate
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! !
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!PPCStarMessagePredicateNode methodsFor:'comparing'!
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= anotherNode
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    super = anotherNode ifFalse: [ ^ false ].
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    ^ message = anotherNode message.
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!
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hash
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    ^ super hash bitXor: message hash
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! !
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!PPCStarMessagePredicateNode methodsFor:'visiting'!
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accept: visitor
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    ^ visitor visitStarMessagePredicateNode: self
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! !
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