compiler/PPCActionNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 26 Oct 2014 01:03:31 +0000
changeset 391 553a5456963b
child 392 9b297f0d949c
permissions -rw-r--r--
Ported PetitCompiler-(Tests). Name: PetitCompiler-JanKurs.41 Author: JanKurs Time: 25-10-2014, 03:30:28 AM UUID: 105186d1-1187-4ca6-8d66-3d2d47def4d3 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main Name: PetitCompiler-Tests-JanKurs.4 Author: JanKurs Time: 25-10-2014, 03:30:58 AM UUID: 3e798fad-d5f6-4881-a583-f0bbffe27869 Repository: http://smalltalkhub.com/mc/JanKurs/PetitParser/main In addition, fixed some problems to make it compilable under Smalltalk/X: * Fixed PPCTokenNode>>initialize - there's no children instvar, it's initialization removed. * Fixed PPCContextMemento>>propertyAt:ifAbsent: - removed return-in-return, not compilable under Smalltalk/X (C issues) * Fixed PPCContextMemento>>hash - there's no stream instvar, access to it removed. * Fixed PPCAbstractCharacterNode>>compileWith:effect:id: - removed dot after method selector (stc does not like it)

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

PPCAbstractActionNode subclass:#PPCActionNode
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!

PPCActionNode comment:''
!

!PPCActionNode methodsFor:'as yet unclassified'!

compileWith: compiler effect: effect id: id
	compiler addConstant: block as: id.
	
	compiler startMethod: id.
	compiler addVariable: 'element'.
	compiler add: 'element := '.
	compiler callOnLine: (child compileWith: compiler).
	compiler add: 'error ifFalse: [ ^ ',  id, ' value: element ].'.
	compiler add: '^ failure'.
 ^ compiler stopMethod.
!

rewrite: changeStatus
	"TODO JK: Find another way how to recognize the trimming token!!"
	(name = 'trimmingToken') ifTrue: [ 
		changeStatus change.
		^ PPCTrimmingTokenNode new
			"name: name"
			"JK: I am sorry"
			child: child children second child;
			tokenClass: child children second tokenClass;
			whitespace: child children first;
			yourself
	].
	
	block isSymbol ifTrue: [ 
		changeStatus change.
		^ PPCSymbolActionNode new
			block: block;
			name: name;
			child: child;
			yourself
	]
! !