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

"{ NameSpace: Smalltalk }"

Object subclass:#PPCCompilerTokenRememberStrategy
	instanceVariableNames:'compiler'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Compiler'
!

!PPCCompilerTokenRememberStrategy class methodsFor:'instance creation'!

on: aPPCCompiler
    ^ self new
        compiler: aPPCCompiler;
        yourself
! !

!PPCCompilerTokenRememberStrategy methodsFor:'accessing'!

compiler: aPPCCompiler
    compiler := aPPCCompiler 
! !

!PPCCompilerTokenRememberStrategy methodsFor:'as yet unclassified'!

smartRemember: parser to: variableName 
    parser isContextFree ifTrue: [ 
        compiler 	codeAssign: 'context lwRemember.' 
                    to: variableName.
    ] ifFalse: [ 
        compiler codeAssign: 'context remember.'
                    to: variableName.
    ]
!

smartRestore: parser from: mementoName
    parser isContextFree ifTrue: [ 
        compiler add: 'context lwRestore: ', mementoName, '.'.
    ] ifFalse: [ 
        compiler add: 'context restore: ', mementoName, '.'.
    ].
! !