compiler/PPCRecognizerComponentDetector.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Mon, 02 Jul 2018 08:46:03 +0200
changeset 557 5ddba1e78795
parent 537 fb212e14d1f4
permissions -rw-r--r--
Tagged Smalltalk/X 8.0.0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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PPCRewritingVisitor subclass:#PPCRecognizerComponentDetector
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	instanceVariableNames:''
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitCompiler-Visitors'
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!
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537
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
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!PPCRecognizerComponentDetector methodsFor:'visiting'!
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visitNotNode: node
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    "We don't need result of the not,..."
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    | child newChild |
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    self change.
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    child := node child.
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    newChild := self visitWithRecognizingComponentVisitor: child.
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    node replace: child with: newChild.
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    ^ node
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!
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visitTokenConsumeNode: node
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    "Let the scanner handle this stuff"
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    ^ node
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!
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visitTokenNode: node
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    | child newChild |
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    self change.
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    child := node child.
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    newChild := self visitWithRecognizingComponentVisitor: child.
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    node replace: child with: newChild.
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    ^ node
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!
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visitTokenWhitespaceNode: node
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    | child newChild |
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    self change.
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    child := node child.
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    newChild := self visitWithRecognizingComponentVisitor: child.
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    node replace: child with: newChild.
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    ^ node
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!
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visitTokenizingParserNode: node
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    |  |
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    "Do not visit whitespace, it is tokenizer's job"
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"	self change.
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    newWhitespace := self visitWithRecognizingComponentVisitor: node whitespace.
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    node replace: node whitespace with: newWhitespace.
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"
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    "Do not visit tokens, they will be handled by the scanner:"
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    "self visit: node tokens."
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    self visitChild: node parser of: node.
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    ^ node
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!
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452
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visitTrimmingTokenNode: node
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    | child newChild whitespace newWhitespace |
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    self change.
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    child := node child.
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    newChild := self visitWithRecognizingComponentVisitor: child.
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    node replace: child with: newChild.
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    whitespace := node whitespace.
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    newWhitespace := self visitWithRecognizingComponentVisitor: whitespace.
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    node replace: whitespace with: newWhitespace.
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    ^ node
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    82
!
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    83
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    84
visitWithRecognizingComponentVisitor: node
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    | retval forbiddenNodes copyVisitor tokenVisitor |
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    86
    
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    87
    copyVisitor := PPCCopyVisitor new.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    tokenVisitor := PPCRecognizerComponentVisitor new.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    89
    
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    forbiddenNodes := openSet copy.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    tokenVisitor forbiddenNodes: forbiddenNodes.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    92
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    retval := copyVisitor visit: node.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    94
    retval := tokenVisitor visit: retval.
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    95
    ^ retval
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    96
! !
9f4558b3be66 Updated to PetitCompiler-JanKurs.111, PetitCompiler-Tests-JanKurs.51, PetitCompiler-Benchmarks-JanKurs.7, added PetitCompiler-Extras-Tests-JanKurs.4
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    97
537
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
Jan Vrany <jan.vrany@fit.cvut.cz>
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diff changeset
    98
!PPCRecognizerComponentDetector class methodsFor:'documentation'!
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
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parents: 524
diff changeset
    99
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
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diff changeset
   100
version_HG
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
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   101
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
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   102
    ^ '$Changeset: <not expanded> $'
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
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diff changeset
   103
! !
fb212e14d1f4 PPCConfiguration refactoring: [9/10]: Renamed PPCConfiguration to PPCCompiler.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents: 524
diff changeset
   104