compiler/PPCTrimNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 24 Nov 2014 00:09:23 +0000
changeset 421 7e08b31e0dae
parent 392 9b297f0d949c
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

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

PPCDelegateNode subclass:#PPCTrimNode
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!

!PPCTrimNode methodsFor:'accessing'!

prefix
	^ #trim
! !

!PPCTrimNode methodsFor:'compiling'!

compileWith: compiler effect: effect id: id
	"TODO: This ignores the TrimmingParser trimmer object!!"
	compiler startMethod: id.
	compiler addVariable: 'result'.	

	compiler add: '[context atEnd not and: [ context uncheckedPeek isSeparator ]] whileTrue: ['.
	compiler indent.
	compiler add: 'context next'.
	compiler dedent.
	compiler add: '].'.

	compiler add: 'result := '.
	compiler callOnLine: (child compileWith: compiler).

	compiler add: '[context atEnd not and: [ context uncheckedPeek isSeparator ]] whileTrue: ['.
	compiler indent.
	compiler add: 'context next'.
	compiler dedent.
	compiler add: '].'.

	compiler add: '^ result'.
 ^ compiler stopMethod.
! !