compiler/PPCForwardNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 17 Aug 2015 23:11:56 +0100
changeset 518 a6d8b93441b0
parent 515 b5316ef15274
permissions -rw-r--r--
Portability fixes * do not use Object>>asString. Not all Smalltalks implement it. * do not use Object>>name. Not all Smalltalks implement it. * do not use Dictionary keysAndValuesRemove:. Not all Smalltalks implement it. * do not use Class>>methods The semantics is different among Smalltalks. Use `Class methodDictionary values` instead. * do not modify dictionary in #at:ifAbsentPut: block!
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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PPCDelegateNode subclass:#PPCForwardNode
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	instanceVariableNames:''
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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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!PPCForwardNode methodsFor:'accessing'!
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child: node
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    "(node name asString beginsWith: 'symbol') ifTrue: [ self halt. ]."
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    ^ super child: node
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!
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defaultName
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    ^ #fw
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! !
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!PPCForwardNode methodsFor:'analysis'!
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check
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    ^ (self name notNil and: [ 
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        child name = self name and: [
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        child suffix = self suffix
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    ]]) ifTrue: [ 'referring to itself!!' ]
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! !
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!PPCForwardNode methodsFor:'visiting'!
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accept: visitor
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    ^ visitor visitForwardNode: self
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! !
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