compiler/PPCTokenActionNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Wed, 15 Apr 2015 11:28:09 +0100
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permissions -rw-r--r--
To fold
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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PPCActionNode subclass:#PPCTokenActionNode
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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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!PPCTokenActionNode methodsFor:'as yet unclassified'!
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asFast
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	^ self
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!
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compileWith: compiler effect: effect id: id
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	|  |
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	compiler addConstant: block as: id.
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	"
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		Actually, do nothing, we are in Token mode and the 
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		child does not return any result and token takes only
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		the input value.
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	"	
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	compiler startMethod: id.
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	compiler add: '^ '.
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	compiler callOnLine: (child compileWith: compiler).
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 ^ compiler stopMethod.
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!
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rewrite: changeStatus
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	(self hasProperty: #trimmingToken) ifTrue: [ 
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		| retval |
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		changeStatus change.
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		"Get rid of action and sequence with whitespace"
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		retval := child children second child. 	"JK: oups, what a chain!!"
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		retval name ifNil: [ retval name: self name ].
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		^ retval
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	].
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	child name ifNil: [  
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		changeStatus change.
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		child name: self name.
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		^ child
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	].
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	(child name = self name) ifTrue: [ 
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		changeStatus change.
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		^ child
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	]
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!
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suffix
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	^ '_fast'
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! !
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