compiler/PPCCompilerTokenizingRememberStrategy.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Thu, 30 Jul 2015 08:37:37 +0100
changeset 510 869853decf31
parent 464 f6d77fee9811
child 515 b5316ef15274
permissions -rw-r--r--
Tests refactoring - use generated test cases to make sure all posibilities are tested. Do not generate resource for all combinations, use PPCSetUpBeforeTearDownAfterResource instead that delegates parser compilation to the testcase itself (it calls it's #setUpBefore method).
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"{ Package: 'stx:goodies/petitparser/compiler' }"
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"{ NameSpace: Smalltalk }"
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Object subclass:#PPCCompilerTokenizingRememberStrategy
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	instanceVariableNames:'compiler'
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	classVariableNames:''
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	poolDictionaries:''
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	category:'PetitCompiler-Compiler'
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!
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!PPCCompilerTokenizingRememberStrategy class methodsFor:'instance creation'!
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on: aPPCCompiler
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    ^ self new
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        compiler: aPPCCompiler;
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        yourself
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! !
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!PPCCompilerTokenizingRememberStrategy methodsFor:'accessing'!
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compiler: aPPCCompiler
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    compiler := aPPCCompiler 
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! !
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!PPCCompilerTokenizingRememberStrategy methodsFor:'as yet unclassified'!
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smartRemember: parser to: variableName 
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    parser isContextFree ifTrue: [ 
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        compiler codeAssign: '{ context lwRemember. currentTokenType . currentTokenValue }.' 
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"		compiler codeAssign: 'context lwRemember.' "
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                    to: variableName.
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    ] ifFalse: [ 
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        compiler codeAssign: '{ context remember. currentTokenType . currentTokenValue }.'
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                    to: variableName.
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    ]
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!
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smartRestore: parser from: mementoName
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    parser isContextFree ifTrue: [ 
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        compiler add: 'context lwRestore: (', mementoName, ' at: 1).'.
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"		compiler add: 'context lwRestore: ', mementoName, '.'."
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    ] ifFalse: [ 
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        compiler add: 'context restore: (', mementoName, ' at: 1).'.
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    ].
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    compiler codeAssign: '(', mementoName, ' at: 2).' to: 'currentTokenType'.
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    compiler codeAssign: '(', mementoName, ' at: 3).' to: 'currentTokenValue'.	
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! !
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!PPCCompilerTokenizingRememberStrategy class methodsFor:'documentation'!
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version_HG
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    ^ '$Changeset: <not expanded> $'
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! !
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