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

"{ Package: 'stx:goodies/petitparser' }"

"{ NameSpace: Smalltalk }"

PPDelegateParser subclass:#PPConditionalParser
	instanceVariableNames:'block'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitParser-Parsers'
!

!PPConditionalParser class methodsFor:'as yet unclassified'!

on: aPPParser block: block
	^ (PPConditionalParser on: aPPParser)
		block: block;
		yourself
! !

!PPConditionalParser methodsFor:'accessing'!

block: aBlock
	block := aBlock
! !

!PPConditionalParser methodsFor:'parsing'!

parseOn: aPPContext
	^ (block value: aPPContext) 
		ifTrue: [ parser parseOn: aPPContext ]
		ifFalse: [ PPFailure message: block asString, ' was not evaluated to true.' context: aPPContext ]
! !