compiler/PPCTrimNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 26 Oct 2014 01:03:31 +0000
changeset 391 553a5456963b
child 392 9b297f0d949c
permissions -rw-r--r--
Ported PetitCompiler-(Tests). Name: PetitCompiler-JanKurs.41 Author: JanKurs Time: 25-10-2014, 03:30:28 AM UUID: 105186d1-1187-4ca6-8d66-3d2d47def4d3 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main Name: PetitCompiler-Tests-JanKurs.4 Author: JanKurs Time: 25-10-2014, 03:30:58 AM UUID: 3e798fad-d5f6-4881-a583-f0bbffe27869 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main In addition, fixed some problems to make it compilable under Smalltalk/X: * Fixed PPCTokenNode>>initialize - there's no children instvar, it's initialization removed. * Fixed PPCContextMemento>>propertyAt:ifAbsent: - removed return-in-return, not compilable under Smalltalk/X (C issues) * Fixed PPCContextMemento>>hash - there's no stream instvar, access to it removed. * Fixed PPCAbstractCharacterNode>>compileWith:effect:id: - removed dot after method selector (stc does not like it)
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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PPCDelegateNode subclass:#PPCTrimNode
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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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PPCTrimNode comment:''
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!
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!PPCTrimNode methodsFor:'accessing'!
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prefix
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	^ #trim
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! !
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!PPCTrimNode methodsFor:'compiling'!
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compileWith: compiler effect: effect id: id
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	"TODO: This ignores the TrimmingParser trimmer object!!"
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	compiler startMethod: id.
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	compiler addVariable: 'result'.	
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	compiler add: '[context atEnd not and: [ context uncheckedPeek isSeparator ]] whileTrue: ['.
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	compiler indent.
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	compiler add: 'context next'.
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	compiler dedent.
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	compiler add: '].'.
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	compiler add: 'result := '.
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	compiler callOnLine: (child compileWith: compiler).
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	compiler add: '[context atEnd not and: [ context uncheckedPeek isSeparator ]] whileTrue: ['.
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	compiler indent.
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	compiler add: 'context next'.
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	compiler dedent.
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	compiler add: '].'.
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	compiler add: '^ result'.
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	compiler stopMethod.
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 ^ compiler lastMethod
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! !
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