Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Name: PetitCompiler-JanKurs.100
Author: JanKurs
Time: 30-04-2015, 10:48:52.165 AM
UUID: 80196870-5921-46d9-ac20-a43bf5c2f3c2
Name: PetitCompiler-Tests-JanKurs.44
Author: JanKurs
Time: 30-04-2015, 10:49:22.489 AM
UUID: 348c02e8-18ce-48f6-885d-fcff4516a298
Name: PetitCompiler-Benchmarks-JanKurs.4
Author: JanKurs
Time: 30-04-2015, 10:58:44.890 AM
UUID: 18cadb42-f9ef-45fb-82e9-8469ade56c8b
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCRewritingVisitor subclass:#PPCTokenVisitor
instanceVariableNames:'forbiddenNodes'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Visitors'
!
!PPCTokenVisitor methodsFor:'accessing'!
forbiddenNodes: nodeSet
forbiddenNodes := nodeSet.
! !
!PPCTokenVisitor methodsFor:'initialization'!
initialize
super initialize.
forbiddenNodes := IdentitySet new.
! !
!PPCTokenVisitor methodsFor:'traversing'!
beforeAccept: node
self assert: (forbiddenNodes includes: node) not description: 'Does not look like a token'
! !
!PPCTokenVisitor methodsFor:'visiting'!
visitActionNode: node
self visitChildren: node.
(node hasProperty: #trimmingToken) ifTrue: [
| child |
"token in token..."
child := node child children second.
child name ifNil: [
self change.
child name: node name.
^ child
]
].
self change.
^ node child
!
visitSequenceNode: node
self visitChildren: node.
self change.
^ PPCTokenSequenceNode new
children: node children;
name: node name;
properties: node properties;
yourself
!
visitStarMessagePredicateNode: node
self visitChildren: node.
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
!
visitTrimmingTokenNode: node
self visitChildren: node.
self change.
^ node child
"Modified: / 23-04-2015 / 12:11:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"
! !