compiler/PPCCompilerTokenizingRememberStrategy.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Sun, 10 May 2015 06:28:36 +0100
changeset 452 9f4558b3be66
child 459 4751c407bb40
permissions -rw-r--r--
Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4 Name: PetitCompiler-JanKurs.111 Author: JanKurs Time: 08-05-2015, 05:56:05.327 PM UUID: 8805e696-9933-49b8-a5c8-a963b931b996 Name: PetitCompiler-Tests-JanKurs.51 Author: JanKurs Time: 08-05-2015, 05:17:44.224 PM UUID: 21c24114-73be-4ba2-86cd-5a4402f778a0 Name: PetitCompiler-Benchmarks-JanKurs.7 Author: JanKurs Time: 07-05-2015, 06:06:12.918 PM UUID: 0e6e2c0a-90f6-4f46-9663-c66f636da602 Name: PetitCompiler-Extras-Tests-JanKurs.4 Author: JanKurs Time: 08-05-2015, 05:56:46.180 PM UUID: 4d4d4d23-c5bc-41ef-ad41-8a56528ddb42

"{ 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'.	
! !