Oops, forgot to export PETITCOMPILER_DATA_DIRECTORY variable
...so Smalltalk code could not read it. Also fixed test for "include" scripts
so they are not downloaded again when already downloaded.
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCRewritingVisitor subclass:#PPCRecognizerComponentVisitor
instanceVariableNames:'forbiddenNodes'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Visitors'
!
!PPCRecognizerComponentVisitor methodsFor:'accessing'!
forbiddenNodes: nodeSet
forbiddenNodes := nodeSet.
! !
!PPCRecognizerComponentVisitor methodsFor:'initialization'!
initialize
super initialize.
forbiddenNodes := IdentitySet new.
! !
!PPCRecognizerComponentVisitor methodsFor:'traversing'!
beforeAccept: node
self assert: (forbiddenNodes includes: node) not description: 'Does not look like a token'
! !
!PPCRecognizerComponentVisitor methodsFor:'visiting'!
visitActionNode: node
self visitChildren: node.
self change.
^ node child
!
visitSequenceNode: node
self visitChildren: node.
self change.
^ PPCRecognizingSequenceNode new
children: node children;
name: node name;
properties: node properties;
yourself
!
visitStarMessagePredicateNode: node
self visitChildren: node.
(node message = #isSeparator) ifTrue: [
self change.
^ PPCTokenStarSeparatorNode new
name: node name;
child: node child;
message: node message;
yourself.
].
self change.
^ PPCTokenStarMessagePredicateNode new
name: node name;
message: node message;
child: node child;
yourself
!
visitSymbolActionNode: node
self visitChildren: node.
self change.
^ node child
!
visitTokenNode: node
self visitChildren: node.
self change.
^ node child
! !