Removed autoload attribut for tests.
As all classes are in a test package, when package is loaded likely tests are required,
so load them right away.
"{ Package: 'stx:goodies/petitparser/compiler' }"
PPCListNode subclass:#PPCTrimmingTokenNode
instanceVariableNames:'tokenClass'
classVariableNames:''
poolDictionaries:''
category:'PetitCompiler-Nodes'
!
!PPCTrimmingTokenNode class methodsFor:'instance creation'!
new
"return an initialized instance"
^ self basicNew initialize.
! !
!PPCTrimmingTokenNode methodsFor:'accessing'!
child
^ children at: 2
!
child: anObject
children at: 2 put: anObject
!
compileWhitespace: compiler
compiler add: 'context atWs ifFalse: ['.
compiler indent.
compiler call: (self whitespace compileWith: compiler).
compiler add: 'context setWs.'.
compiler dedent.
compiler add: '].'.
!
initialize
super initialize.
children := Array new: 2
!
rewrite: changeStatus
| |
super rewrite: changeStatus.
(self allNodes anySatisfy: [ :node | node asFast ~= node ]) ifTrue: [
changeStatus change.
self replace: self whitespace with: (self whitespace transform: [ :node | node asFast ]).
self replace: self child with: (self child transform: [:node | node asFast]).
]
!
tokenClass
^ tokenClass
!
tokenClass: anObject
tokenClass := anObject
!
whitespace
^ children at: 1
!
whitespace: anObject
(anObject name isNil and: [ self child name isNotNil ]) ifTrue: [
anObject name: self child name, '_water'.
].
children at: 1 put: anObject
! !
!PPCTrimmingTokenNode methodsFor:'analyzing'!
acceptsEpsilon
^ self child acceptsEpsilonOpenSet: (IdentitySet with: self).
!
acceptsEpsilonOpenSet: set
(set includes: self child) ifFalse: [
set add: self child.
^ self child acceptsEpsilonOpenSet: set
].
^ false
!
firstSetSuchThat: block into: aCollection openSet: aSet
(aSet includes: self) ifTrue: [ ^ aCollection ].
aSet add: self.
(block value: self) ifTrue: [ aCollection add: self. ^ aCollection ].
^ self child firstSetSuchThat: block into: aCollection openSet: aSet.
! !
!PPCTrimmingTokenNode methodsFor:'as yet unclassified'!
compileWith: compiler effect: effect id: id
| guardSetId guardSet |
compiler startMethod: id.
compiler startTokenMode.
compiler addVariable: 'start'.
compiler addVariable: 'end'.
self compileWhitespace: compiler.
(compiler guards and: [ (guardSet := compiler guardCharSet: self) isNil not ]) ifTrue: [
guardSetId := id, '_guard'.
compiler addConstant: guardSet as: guardSetId.
compiler add: 'context atEnd ifTrue: [ ^ self error ].'.
compiler add: '(', guardSetId, ' value: context peek) ifFalse: [ ^ self error ].'.
].
compiler add: 'start := context position + 1.'.
compiler call: (self child compileWith: compiler).
compiler add: 'error ifTrue: [ ^ self ].'.
compiler add: 'end := context position.'.
self compileWhitespace: compiler.
compiler add: '^ ', tokenClass asString, ' on: (context collection)
start: start
stop: end
value: nil'.
compiler stopTokenMode.
^ compiler stopMethod.
!
prefix
^ #token
! !