compiler/tests/extras/PPLL1ExpressionGrammar.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Fri, 24 Jul 2015 15:06:54 +0100
changeset 502 1e45d3c96ec5
parent 464 f6d77fee9811
child 503 ff58cd9f1f3c
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/tests/extras' }"

"{ NameSpace: Smalltalk }"

PPCompositeParser subclass:#PPLL1ExpressionGrammar
	instanceVariableNames:'add prod term mul prim parens number mulPrime addPrime termPrime'
	classVariableNames:''
	poolDictionaries:''
	category:'PetitCompiler-Extras-Tests-Expressions'
!


!PPLL1ExpressionGrammar methodsFor:'as yet unclassified'!

add
   ^ prod, addPrime optional
		map: [ :_prod :_addPrime |
				_addPrime isNil 
						ifTrue: [ _prod  ]
						ifFalse: [ (Array with: _prod) , _addPrime ]
				
		]

	"Modified (format): / 26-05-2015 / 07:23:34 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

addPrime
    ^ $+ asParser trimmingToken , term
!

mul
   ^ prim, mulPrime optional
		map: [ :_prim :_mulPrime |
				_mulPrime isNil 
						ifTrue: [ _prim  ]
						ifFalse: [ (Array with: _prim) , _mulPrime ]
				
		]

	"Modified (format): / 26-05-2015 / 07:23:51 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

mulPrime
   ^ $* asParser trimmingToken, prod
!

number
   ^ #digit asParser plus trimmingToken ==> [ :token | token inputValue asNumber ]
!

parens
   ^ ($( asParser token trim), term , ($) asParser token trim)
!

prim
   ^ parens / number
!

prod
   ^ mul
!

start
   ^ term end
!

term
    ^ prod, termPrime optional
        map: [ :_prod :_termPrime |
        _termPrime isNil 
            ifTrue: [ _prod  ]
            ifFalse: [ (Array with: _prod) , _termPrime ]
    ]

    "Modified: / 26-05-2015 / 07:24:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"
!

termPrime
    ^ $+ asParser trimmingToken, term
! !

!PPLL1ExpressionGrammar class methodsFor:'documentation'!

version_HG

    ^ '$Changeset: <not expanded> $'
! !