Use #deepCopy instead of #copy when copying RB parse tree
...because #copy make a copy if child nodes but does not set their parents properly.
Therefore node replacing does not work because it replaces it in wrong tree (original,
not the copy).
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
Object subclass:#PPCCompilerTokenizingRememberStrategy
instanceVariableNames:'compiler'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Compiler'
!
!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 }.'
" compiler codeAssign: 'context lwRemember.' "
to: variableName.
] ifFalse: [
compiler codeAssign: '{ context remember. currentTokenType . currentTokenValue }.'
to: variableName.
]
!
smartRestore: parser from: mementoName
parser isContextFree ifTrue: [
compiler add: 'context lwRestore: (', mementoName, ' at: 1).'.
" compiler add: 'context lwRestore: ', mementoName, '.'."
] ifFalse: [
compiler add: 'context restore: (', mementoName, ' at: 1).'.
].
compiler codeAssign: '(', mementoName, ' at: 2).' to: 'currentTokenType'.
compiler codeAssign: '(', mementoName, ' at: 3).' to: 'currentTokenValue'.
! !
!PPCCompilerTokenizingRememberStrategy class methodsFor:'documentation'!
version_HG
^ '$Changeset: <not expanded> $'
! !