compiler/PPCTokenSequenceNode.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' }"

PPCSequenceNode subclass:#PPCTokenSequenceNode
	instanceVariableNames:''
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!

PPCTokenSequenceNode comment:''
!

!PPCTokenSequenceNode methodsFor:'as yet unclassified'!

asFast
	^ self
!

compileWith: compiler effect: effect id: id

	compiler startMethod: id.
	compiler addVariable: 'memento'.			
	compiler add: (compiler smartRemember: self).

"	self addGuard: compiler."

	compiler call: ((children at: 1) compileWith: compiler).
	compiler add: 'error ifTrue: [ ^ failure ].'.

	(2 to: children size) do: [ :idx  | |child|
		child := children at: idx.
		compiler call: (child compileWith: compiler).
		compiler add: 'error ifTrue: [ ', (compiler smartRestore: self) ,' ^ failure ].'.
	].
 ^ compiler stopMethod.
!

suffix
	^ #'_fast'
! !