compiler/PPCCompilerTokenizingRememberStrategy.st
author Jan Vrany <jan.vrany@fit.cvut.cz>
Fri, 24 Jul 2015 15:37:23 +0100
changeset 503 ff58cd9f1f3c
parent 464 f6d77fee9811
child 515 b5316ef15274
permissions -rw-r--r--
Merge
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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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