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

"{ NameSpace: Smalltalk }"

Object subclass:#PPCCompilerTokenizingRememberStrategy
	instanceVariableNames:'compiler'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Core'
!

!PPCCompilerTokenizingRememberStrategy class methodsFor:'instance creation'!

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

!PPCCompilerTokenizingRememberStrategy methodsFor:'accessing'!

compiler: aPPCCompiler
    compiler := aPPCCompiler 
! !

!PPCCompilerTokenizingRememberStrategy methodsFor:'as yet unclassified'!

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

smartRestore: parser from: mementoName
    parser isContextFree ifTrue: [ 
        compiler add: 'context lwRestore: ', mementoName, ' first.'.
    ] ifFalse: [ 
        compiler add: 'context restore: ', mementoName, ' first.'.
    ].
    compiler codeAssign: mementoName, ' second.' to: 'currentTokenType'.
    compiler codeAssign: mementoName, ' third.' to: 'currentTokenValue'.	
! !