compiler/PPCAbstractLiteralNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 24 Nov 2014 00:09:23 +0000
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child 422 116d2b2af905
permissions -rw-r--r--
Merged JK's version from Monticello Name: PetitParser-JanKurs.260 Author: JanKurs Time: 17-11-2014, 12:09:05.490 PM UUID: 07411cef-ef69-40db-9d93-d4018a9b34ef Name: PetitTests-JanKurs.65 Author: JanKurs Time: 17-11-2014, 12:09:04.530 PM UUID: f98d613f-f4ce-4e0e-a7e9-310ee7c7e7a6 Name: PetitSmalltalk-JanKurs.78 Author: JanKurs Time: 14-11-2014, 05:05:07.765 PM UUID: 3d68330d-44d5-46c3-9705-97f627b3edbc Name: PetitCompiler-JanKurs.71 Author: JanKurs Time: 18-11-2014, 09:48:35.425 AM UUID: 06352c33-3c76-4382-8536-0cc48e225117 Name: PetitCompiler-Tests-JanKurs.21 Author: JanKurs Time: 17-11-2014, 05:51:53.134 PM UUID: 8d6c0799-14e7-4871-8d91-8b0f9886db83 Name: PetitCompiler-Benchmarks-JanKurs.2 Author: JanKurs Time: 17-11-2014, 05:51:07.887 PM UUID: d5e3a980-7871-487a-a232-e3ca93fc2483
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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PPCNode subclass:#PPCAbstractLiteralNode
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	instanceVariableNames:'literal'
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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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!PPCAbstractLiteralNode methodsFor:'accessing'!
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acceptsEpsilon
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	^ literal size = 0
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!
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firstCharParser
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	^ literal first asParser
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!
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firstCharSet
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	| letter |
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	letter := literal first.
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	^ PPCharSetPredicate on: [:e | e = letter ]
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!
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literal
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	^ literal
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!
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literal: anObject
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	literal := anObject
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!
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prefix
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	^ #lit
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! !
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!PPCAbstractLiteralNode methodsFor:'comparison'!
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= anotherNode
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	super = anotherNode ifFalse: [ ^ false ].
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	^ literal = anotherNode literal.
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!
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hash
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	^ super hash bitXor: literal hash
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! !
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!PPCAbstractLiteralNode methodsFor:'compiling'!
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encodeQuotes: string
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	| x s |
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	s := WriteStream on: ''.
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	1 to: string size do: [ :i|
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		s nextPut: (x := string at: i).
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		x = $' ifTrue: [ s nextPut: x ].
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	].
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	^ s contents
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! !
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