compiler/PPCAbstractPredicateNode.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Wed, 15 Apr 2015 11:28:09 +0100
changeset 422 116d2b2af905
parent 421 7e08b31e0dae
child 438 20598d7ce9fa
permissions -rw-r--r--
To fold

"{ Package: 'stx:goodies/petitparser/compiler' }"

"{ NameSpace: Smalltalk }"

PPCNode subclass:#PPCAbstractPredicateNode
	instanceVariableNames:'predicate'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Nodes'
!

!PPCAbstractPredicateNode methodsFor:'accessing'!

predicate
	
	^ predicate
!

predicate: anObject
	
	predicate := anObject
!

prefix
	^ #predicate
! !

!PPCAbstractPredicateNode methodsFor:'analysis'!

acceptsEpsilon
	^ false
!

firstCharSet
	^ PPCharSetPredicate on: predicate
! !

!PPCAbstractPredicateNode methodsFor:'comparison'!

= anotherNode
	super = anotherNode ifFalse: [ ^ false ].
	^ predicate = anotherNode predicate.
!

hash
	^ super hash bitXor: predicate hash
! !

!PPCAbstractPredicateNode methodsFor:'compiling'!

bodyOfPredicate: compiler
	self subclassResponsibility
!

compileWith: compiler effect: effect id: id
	compiler startMethod: id.
	compiler add: '^'.
	self bodyOfPredicate: compiler.
 ^ compiler stopMethod.
!

extendClassification: classification
	^ (classification asOrderedCollection addLast: false; yourself) asArray
! !

!PPCAbstractPredicateNode methodsFor:'initialization'!

initialize
	super initialize.
! !

!PPCAbstractPredicateNode methodsFor:'optimizing'!

asInlined
	^ super asInlined
! !