PPConditionalParser.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Tue, 12 May 2015 01:24:03 +0100
changeset 459 4751c407bb40
parent 427 a7f5e6de19d2
permissions -rw-r--r--
Merged with PetitCompiler-JanKurs.20150510144201, PetitCompiler-Tests-JanKurs.20150510144201, PetitCompiler-Extras-Tests-JanKurs.20150510144201, PetitCompiler-Benchmarks-JanKurs.20150510144201 Name: PetitCompiler-JanKurs.20150510144201 Author: JanKurs Time: 10-05-2015, 04:42:29.192 PM UUID: 58a4786b-1182-4904-8b44-a13d3918f244 Name: PetitCompiler-Tests-JanKurs.20150510144201 Author: JanKurs Time: 10-05-2015, 04:32:12.870 PM UUID: 2a8fd41a-331b-4dcf-a7a3-752a50ce86e7 Name: PetitCompiler-Extras-Tests-JanKurs.20150510144201 Author: JanKurs Time: 10-05-2015, 04:59:25.308 PM UUID: ef43bd1a-be60-4e88-b749-8b635622c969 Name: PetitCompiler-Benchmarks-JanKurs.20150510144201 Author: JanKurs Time: 10-05-2015, 05:04:54.561 PM UUID: d8e764fd-016b-46e2-9fc1-17c38c18f0e5
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"{ Package: 'stx:goodies/petitparser' }"
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"{ NameSpace: Smalltalk }"
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PPDelegateParser subclass:#PPConditionalParser
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	instanceVariableNames:'block'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitParser-Parsers'
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!
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!PPConditionalParser class methodsFor:'as yet unclassified'!
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on: aPPParser block: block
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	^ (PPConditionalParser on: aPPParser)
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		block: block;
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		yourself
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! !
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!PPConditionalParser methodsFor:'accessing'!
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block: aBlock
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	block := aBlock
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! !
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!PPConditionalParser methodsFor:'parsing'!
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parseOn: aPPContext
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	^ (block value: aPPContext) 
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		ifTrue: [ parser parseOn: aPPContext ]
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		ifFalse: [ PPFailure message: block asString, ' was not evaluated to true.' context: aPPContext ]
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! !
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