compiler/PPCMergingVisitor.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 02 Jul 2018 08:46:03 +0200
changeset 557 5ddba1e78795
parent 452 9f4558b3be66
permissions -rw-r--r--
Tagged Smalltalk/X 8.0.0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     1
"{ Package: 'stx:goodies/petitparser/compiler' }"
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     2
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     3
"{ NameSpace: Smalltalk }"
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     4
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     5
PPCRewritingVisitor subclass:#PPCMergingVisitor
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     6
	instanceVariableNames:'nodeSet'
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     7
	classVariableNames:''
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     8
	poolDictionaries:''
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
     9
	category:'PetitCompiler-Visitors'
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    10
!
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    11
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    12
!PPCMergingVisitor methodsFor:'as yet unclassified'!
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    13
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    14
equivalentNode: node
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    15
    ^  nodeSet detect: [ :e | e = node ]
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    16
!
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    17
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    18
hasEquivalentNode: node
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    19
    ^ nodeSet includes: node
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    20
!
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    21
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    22
initialize
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    23
    super initialize.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    24
    
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    25
    nodeSet := Set new
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    26
!
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    27
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    28
store: node
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    29
    self assert: (self hasEquivalentNode: node) not.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    30
    nodeSet add: node
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    31
!
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    32
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    33
visitNode: node
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    34
    super visitNode: node.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    35
    
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    36
    (self hasEquivalentNode: node) ifTrue: [
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    37
        self change.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    38
        ^ self equivalentNode: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    39
    ] ifFalse: [  
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    40
        self store: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    41
    ].
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    42
452
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 438
diff changeset
    43
    ^ node
438
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    44
! !
20598d7ce9fa Updated to PetitCompiler-JanKurs.100, PetitCompiler-Tests-JanKurs.44 and PetitCompiler-Benchmarks-JanKurs.4
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
diff changeset
    45