compiler/PEGFsaPair.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Fri, 24 Jul 2015 15:06:54 +0100
changeset 502 1e45d3c96ec5
child 515 b5316ef15274
permissions -rw-r--r--
Updated to PetitCompiler-JanVrany.135, PetitCompiler-Tests-JanKurs.93, PetitCompiler-Extras-Tests-JanVrany.16, PetitCompiler-Benchmarks-JanKurs.12 Name: PetitCompiler-JanVrany.135 Author: JanVrany Time: 22-07-2015, 06:53:29.127 PM UUID: 890178b5-275d-46af-a2ad-1738998f07cb Ancestors: PetitCompiler-JanVrany.134 Name: PetitCompiler-Tests-JanKurs.93 Author: JanKurs Time: 20-07-2015, 11:30:10.283 PM UUID: 6473e671-ad70-42ca-b6c3-654b78edc531 Ancestors: PetitCompiler-Tests-JanKurs.92 Name: PetitCompiler-Extras-Tests-JanVrany.16 Author: JanVrany Time: 22-07-2015, 05:18:22.387 PM UUID: 8f6f9129-dbba-49b1-9402-038470742f98 Ancestors: PetitCompiler-Extras-Tests-JanKurs.15 Name: PetitCompiler-Benchmarks-JanKurs.12 Author: JanKurs Time: 06-07-2015, 02:10:06.901 PM UUID: cb24f1ac-46a4-494d-9780-64576f0f0dba Ancestors: PetitCompiler-Benchmarks-JanKurs.11, PetitCompiler-Benchmarks-JanVrany.e29bd90f388e.20150619081300

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

"{ NameSpace: Smalltalk }"

Object subclass:#PEGFsaPair
	instanceVariableNames:'first second'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-FSA'
!

!PEGFsaPair class methodsFor:'instance creation'!

with: a with: b
    ^ PEGFsaPair new
        first: a;
        second: b;
        yourself
! !

!PEGFsaPair methodsFor:'accessing'!

first
    ^ first
!

first: anObject
    first := anObject
!

second
    ^ second
!

second: anObject
    second := anObject
! !

!PEGFsaPair methodsFor:'comparing'!

= anObject
    (anObject == self) ifTrue: [ ^ true ].
    (anObject class == self class) ifFalse: [ ^ false ].
    
    ((anObject first == first) and: [anObject second == second]) ifTrue: [ ^ true ].
    ((anObject first == second) and: [anObject second == first]) ifTrue: [ ^ true ].
    
    ^ false	
!

hash
    ^ first hash bitXor: second hash
! !