compiler/PPCAbstractLiteralNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 17 Aug 2015 12:13:16 +0100
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permissions -rw-r--r--
Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17 Name: PetitCompiler-JanKurs.160 Author: JanKurs Time: 17-08-2015, 09:52:26.291 AM UUID: 3b4bfc98-8098-4951-af83-a59e2585b121 Name: PetitCompiler-Tests-JanKurs.112 Author: JanKurs Time: 16-08-2015, 05:00:32.936 PM UUID: 85613d47-08f3-406f-9823-9cdab451e805 Name: PetitCompiler-Extras-Tests-JanKurs.25 Author: JanKurs Time: 16-08-2015, 05:00:10.328 PM UUID: 09731810-51a1-4151-8d3a-56b636fbd1f7 Name: PetitCompiler-Benchmarks-JanKurs.17 Author: JanKurs Time: 05-08-2015, 05:29:32.407 PM UUID: e544b5f1-bcf8-470b-93a6-d2363e4dfc8a
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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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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defaultName
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    ^ #lit
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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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!PPCAbstractLiteralNode methodsFor:'analysis'!
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acceptsEpsilon
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    ^ literal size = 0
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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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!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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