compiler/PPCListNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 30 Oct 2014 23:01:54 +0000
changeset 398 b3e47bab2de6
parent 392 9b297f0d949c
child 414 0eaf09920532
permissions -rw-r--r--
Added teardown to PetitCompilerTests to clean up a generated parser after tests.
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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PPCNode subclass:#PPCListNode
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	instanceVariableNames:'children'
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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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!PPCListNode methodsFor:'accessing'!
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children
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	^ children
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!
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children: anObject
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	children := anObject
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! !
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!PPCListNode methodsFor:'analysis'!
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acceptsEpsilon
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	self subclassResponsibility
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!
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acceptsEpsilonOpenSet: set
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	self subclassResponsibility
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!
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replace: node with: anotherNode
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	children keysAndValuesDo: [ :index :child |
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		child == node ifTrue: [ children at: index put: anotherNode ] 
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	]
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! !
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!PPCListNode methodsFor:'copying'!
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postCopy
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	super postCopy.
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	children := children copy
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! !
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!PPCListNode methodsFor:'optimizing'!
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inline: changeStatus
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	| inlinedNode |
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	self children do: [ :child |
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		inlinedNode := child asInlined.
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		(inlinedNode ~= child) ifTrue: [ 
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			changeStatus change.
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			^ self replace: child with: inlinedNode.
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		]
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	]
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!
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optimize: params status: changeStatus
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	| retval |
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	retval := self.
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	retval := retval rewrite: params status: changeStatus.
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	retval := retval inline: params status: changeStatus.
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	^ retval
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! !
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