Updated to PetitCompiler-JanKurs.160, PetitCompiler-Tests-JanKurs.112, PetitCompiler-Extras-Tests-JanKurs.25, PetitCompiler-Benchmarks-JanKurs.17
Name: PetitCompiler-JanKurs.160
Author: JanKurs
Time: 17-08-2015, 09:52:26.291 AM
UUID: 3b4bfc98-8098-4951-af83-a59e2585b121
Name: PetitCompiler-Tests-JanKurs.112
Author: JanKurs
Time: 16-08-2015, 05:00:32.936 PM
UUID: 85613d47-08f3-406f-9823-9cdab451e805
Name: PetitCompiler-Extras-Tests-JanKurs.25
Author: JanKurs
Time: 16-08-2015, 05:00:10.328 PM
UUID: 09731810-51a1-4151-8d3a-56b636fbd1f7
Name: PetitCompiler-Benchmarks-JanKurs.17
Author: JanKurs
Time: 05-08-2015, 05:29:32.407 PM
UUID: e544b5f1-bcf8-470b-93a6-d2363e4dfc8a
"{ Package: 'stx:goodies/petitparser/compiler' }"
"{ NameSpace: Smalltalk }"
PPCompiledParser subclass:#PPTokenizingCompiledParser
instanceVariableNames:'currentTokenValue currentTokenType scanner'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Parsers'
!
!PPTokenizingCompiledParser class methodsFor:'as yet unclassified'!
acceptsLoggingOfCompilation
^ self == PPTokenizingCompiledParser
! !
!PPTokenizingCompiledParser methodsFor:'initialization'!
initialize
super initialize.
! !
!PPTokenizingCompiledParser methodsFor:'tokenizing'!
consume: tokenType
self halt: 'deprecated'.
(self perform: tokenType) ifTrue: [
currentTokenType := nil.
^ currentTokenValue.
].
"self error: 'expected: ', tokenType storeString, ' got ', currentTokenType storeString."
self error.
!
consumeWhitespace
"self shouldBeImplemented "
!
currentTokenType
currentTokenType isNil ifTrue: [ self nextToken ].
^ currentTokenType
!
currentTokenTypeIs: tokenType
"if the type is read"
self halt: 'deprecated'.
currentTokenType isNil ifFalse: [ ^ currentTokenType = tokenType ].
"if not, try to read the token"
^ self perform: tokenType.
!
currentTokenValue
currentTokenType isNil ifTrue: [ self nextToken ].
^ currentTokenType
!
nextToken
self shouldBeImplemented
!
parseOn: aPPContext
| retval |
context := aPPContext.
context compiledParser: self.
failure := PPFailure new message: nil; context: context; position: -1.
context noteFailure: failure.
error := false.
currentTokenType := nil.
scanner := (self class classVarNamed: #scannerClass) new.
scanner stream: aPPContext.
self consumeWhitespace.
retval := self perform: startSymbol.
" self consumeWhitespace."
(retval isPetitFailure) ifTrue: [ aPPContext noteFailure: failure ].
error ifTrue: [ aPPContext noteFailure: failure. retval := failure ].
" aPPContext position: context position."
^ retval
! !