"{ 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'.	

! !