Merged in PetitCompiler-JanVrany.170, PetitCompiler-Tests-JanKurs.116, PetitCompiler-Extras-Tests-JanKurs.29, PetitCompiler-Benchmarks-JanKurs.19
Name: PetitCompiler-JanVrany.170
Author: JanVrany
Time: 24-08-2015, 03:19:51.340 PM
UUID: c20a744f-3b41-4aaa-bb8a-71ce74a2a952
Name: PetitCompiler-Tests-JanKurs.116
Author: JanKurs
Time: 24-08-2015, 11:37:54.332 AM
UUID: 549e0927-358a-4a1b-8270-050ccfcb4217
Name: PetitCompiler-Extras-Tests-JanKurs.29
Author: JanKurs
Time: 24-08-2015, 11:36:52.503 AM
UUID: ea1dbb67-f884-4237-8f34-adb0677c0954
Name: PetitCompiler-Benchmarks-JanKurs.19
Author: JanKurs
Time: 24-08-2015, 11:48:47.045 AM
UUID: 1c342fdb-8ddd-4104-9c47-a8f589c51694
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCRewritingVisitor subclass:#PPCRecognizerComponentDetector
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Visitors'
!
!PPCRecognizerComponentDetector methodsFor:'visiting'!
visitNotNode: node
"We don't need result of the not,..."
| child newChild |
self change.
child := node child.
newChild := self visitWithRecognizingComponentVisitor: child.
node replace: child with: newChild.
^ node
!
visitTokenConsumeNode: node
"Let the scanner handle this stuff"
^ node
!
visitTokenNode: node
| child newChild |
self change.
child := node child.
newChild := self visitWithRecognizingComponentVisitor: child.
node replace: child with: newChild.
^ node
!
visitTokenWhitespaceNode: node
| child newChild |
self change.
child := node child.
newChild := self visitWithRecognizingComponentVisitor: child.
node replace: child with: newChild.
^ node
!
visitTokenizingParserNode: node
| |
"Do not visit whitespace, it is tokenizer's job"
" self change.
newWhitespace := self visitWithRecognizingComponentVisitor: node whitespace.
node replace: node whitespace with: newWhitespace.
"
"Do not visit tokens, they will be handled by the scanner:"
"self visit: node tokens."
self visitChild: node parser of: node.
^ node
!
visitTrimmingTokenNode: node
| child newChild whitespace newWhitespace |
self change.
child := node child.
newChild := self visitWithRecognizingComponentVisitor: child.
node replace: child with: newChild.
whitespace := node whitespace.
newWhitespace := self visitWithRecognizingComponentVisitor: whitespace.
node replace: whitespace with: newWhitespace.
^ node
!
visitWithRecognizingComponentVisitor: node
| retval forbiddenNodes copyVisitor tokenVisitor |
copyVisitor := PPCCopyVisitor new.
tokenVisitor := PPCRecognizerComponentVisitor new.
forbiddenNodes := openSet copy.
tokenVisitor forbiddenNodes: forbiddenNodes.
retval := copyVisitor visit: node.
retval := tokenVisitor visit: retval.
^ retval
! !