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"{ Encoding: utf8 }"
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4352
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"
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COPYRIGHT (c) 2018 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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"{ Package: 'stx:libbasic3' }"
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"{ NameSpace: Smalltalk }"
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Object subclass:#GSTFileReader
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instanceVariableNames:'changeSet source parser nameSpace inStream className
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fullClassName'
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classVariableNames:''
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poolDictionaries:''
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category:'Kernel-Classes-Support'
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!
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!GSTFileReader class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 2018 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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documentation
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"
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I know how to read GST-smalltalk source files as a change set.
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"
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! !
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!GSTFileReader methodsFor:'reading - API'!
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changeSetFromStream:aStream
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changeSet := ChangeSet new.
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source := aStream contentsAsString.
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inStream := source readStream.
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self readDefinitions.
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^ changeSet
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"
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/auth.st'
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asFilename readStream).
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/hacks.st'
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asFilename readStream).
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'/Users/cg/Downloads/smalltalk/shampoo/shampoo' asFilename directoryContentsAsFilenamesDo:[:fn |
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fn suffix = 'st' ifTrue:[
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(self new changeSetFromStream:(fn readStream)) inspect
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]
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]
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"
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"Created: / 22-09-2018 / 19:09:29 / Claus Gittinger"
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"Modified (comment): / 23-09-2018 / 00:08:51 / Claus Gittinger"
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! !
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!GSTFileReader methodsFor:'reading - private'!
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readClass:expr
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"already read 'name subclass:name'"
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|superClassName superClass
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category comment instVarNameString definitionSelector change
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readingClassAttributes|
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(expr receiver isConstant and:[expr receiver value isNil]) ifTrue:[
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superClass := nil.
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] ifFalse:[
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superClassName := expr receiver name.
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superClass := nameSpace classNamed:superClassName.
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superClass isNil ifTrue:[
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superClass := Smalltalk classNamed:superClassName.
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].
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].
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className := expr arg1 name.
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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instVarNameString := ''.
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readingClassAttributes := true.
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[readingClassAttributes] whileTrue:[
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parser tokenType == $| ifTrue:[
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parser nextToken.
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[ parser tokenType == $| ] whileFalse:[
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|var|
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var := parser variable.
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instVarNameString := instVarNameString , ' ' , var name.
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parser nextToken.
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].
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parser nextToken.
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] ifFalse:[
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(parser token = '<') ifTrue:[
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parser nextToken.
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parser token = 'category:' ifTrue:[
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parser nextToken.
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self assert:(parser tokenType == #String).
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category := parser tokenValue.
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parser nextToken.
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] ifFalse:[
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parser token = 'comment:' ifTrue:[
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parser nextToken.
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self assert:(parser tokenType == #String).
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comment := parser tokenValue.
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parser nextToken.
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] ifFalse:[
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self halt.
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].
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].
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self assert:(parser token = '>').
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parser nextToken.
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] ifFalse:[
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readingClassAttributes := false
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]
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].
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].
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definitionSelector := #'subclass:instanceVariableNames:classVariableNames:poolDictionaries:category:'.
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fullClassName :=
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((nameSpace ? Smalltalk) ~~ Smalltalk)
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ifTrue:[ nameSpace name,'::',className ]
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ifFalse:[ className ].
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change := ClassDefinitionChange new.
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change className:fullClassName.
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change definitionSelector:definitionSelector.
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superClassName notNil ifTrue:[ change superClassName:superClassName ].
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change instanceVariableString:instVarNameString.
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"/ change classVariableString:arg evaluate.
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"/ change poolDictionaries:arg evaluate.
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change category:category.
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changeSet add:change.
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comment notNil ifTrue:[
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change := ClassCommentChange className:fullClassName.
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change comment:comment.
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changeSet add:change.
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].
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self readMethods.
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"
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/auth.st'
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asFilename readStream).
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"
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"Created: / 22-09-2018 / 22:50:24 / Claus Gittinger"
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"Modified: / 23-09-2018 / 02:12:04 / Claus Gittinger"
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!
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readDefinitions
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|expr|
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parser := Parser for:inStream in:nil.
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parser parserFlags allowQualifiedNames:true.
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parser nextToken.
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[inStream atEnd] whileFalse:[
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expr := parser expression.
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(expr isMessage
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and:[ (expr selector = 'current:')
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and:[ (expr receiver isGlobalVariableNamed:'Namespace') ]]
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) ifTrue:[
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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nameSpace := NameSpace name:(expr arg1 name).
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self readNamespace.
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self assert:(parser tokenType == $] ).
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parser nextToken.
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] ifFalse:[
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(expr isMessage
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and:[ (expr selector = 'extend')
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and:[ (expr receiver isGlobalVariable) ]]
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) ifTrue:[
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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className := fullClassName := (expr receiver name).
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self readMethods.
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] ifFalse:[
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(expr isMessage
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and:[ (expr selector = 'extend')
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and:[ expr receiver isMessage
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and:[ (expr receiver selector = 'class')
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and:[ (expr receiver receiver isGlobalVariable) ]]]]
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) ifTrue:[
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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className := fullClassName := (expr receiver receiver name),' class'.
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self readMethods.
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] ifFalse:[
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(expr isVariable and:[expr name = 'Eval']) ifTrue:[
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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parser parseMethodBodyOrEmpty.
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self assert:(parser tokenType == $] ).
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parser nextToken.
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] ifFalse:[
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self halt.
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].
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].
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].
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].
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].
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"
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/auth.st'
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asFilename readStream).
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/hacks.st'
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asFilename readStream).
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/responses.st'
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asFilename readStream).
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'/Users/cg/Downloads/smalltalk/shampoo/shampoo' asFilename directoryContentsAsFilenamesDo:[:fn |
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fn suffix = 'st' ifTrue:[
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(self new changeSetFromStream:(fn readStream)) inspect
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]
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]
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"
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"Created: / 22-09-2018 / 22:48:24 / Claus Gittinger"
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4355
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"Modified: / 23-09-2018 / 01:59:24 / Claus Gittinger"
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!
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readMethods
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"already read 'name subclass:name'"
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|methodSelector methodArgNames
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startPos endPos methodSource change
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specStartPos specEndPos specSource|
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[ parser token == $] ] whileFalse:[
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|expr methodClassName isClassMethod statements methodCategory|
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methodClassName := fullClassName.
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isClassMethod := false.
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((parser tokenType == #Identifier)
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and:[ (parser token = className)]) ifTrue:[
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parser nextToken.
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parser token = 'class' ifTrue:[
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isClassMethod := true.
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parser nextToken.
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methodClassName := methodClassName,' class'.
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].
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self assert:(parser token = '>>').
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parser nextToken.
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].
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specStartPos := parser tokenPosition.
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parser release.
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parser parseMethodSpec.
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methodSelector := parser selector.
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methodArgNames := parser methodArgs.
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specEndPos := parser tokenPosition - 1.
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specSource := (source copyFrom:specStartPos to:specEndPos) withoutSeparators.
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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startPos := parser tokenPosition.
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statements := parser parseMethodBodyOrEmpty.
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endPos := parser tokenPosition-1.
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self assert:(parser tokenType == $] ).
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parser nextToken.
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methodSource := source copyFrom:startPos to:endPos.
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change := MethodDefinitionChange
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className:methodClassName
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selector:methodSelector
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source:(specSource,Character cr,methodSource)
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category:methodCategory.
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changeSet add:change.
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].
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parser nextToken.
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"
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/responses.st'
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asFilename readStream).
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"
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"Created: / 22-09-2018 / 22:54:29 / Claus Gittinger"
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"Modified (comment): / 23-09-2018 / 01:01:50 / Claus Gittinger"
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!
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readNamespace
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"already read 'Namespace'"
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"Namespace current: <name> [ <code for namespace> ]"
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|expr|
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[
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inStream atEnd not
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and:[ parser tokenType ~~ $] ]
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] whileTrue:[
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expr := parser expression.
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(expr isMessage
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and:[ (expr selector == #'subclass:')
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and:[ ((expr receiver isConstant and:[expr receiver value isNil])
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or:[ expr receiver isGlobalVariable ])
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and:[ (expr arg1 isGlobalVariable) ]]]
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) ifTrue:[
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self readClass:expr.
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] ifFalse:[
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(expr isMessage
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and:[ (expr selector = 'extend')
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and:[ (expr receiver isGlobalVariable) ]]
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) ifTrue:[
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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className := (expr receiver name).
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fullClassName := nameSpace name,'::',className.
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self readMethods.
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] ifFalse:[
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(expr isMessage
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and:[ (expr selector = 'extend')
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and:[ expr receiver isMessage
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and:[ (expr receiver selector = 'class')
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and:[ (expr receiver receiver isGlobalVariable) ]]]]
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) ifTrue:[
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self assert:(parser tokenType == $[ ).
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parser nextToken.
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className := (expr receiver receiver name),' class'.
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fullClassName := nameSpace name,'::',className.
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self readMethods.
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] ifFalse:[
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self halt.
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].
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].
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].
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].
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"
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self new
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changeSetFromStream:('/Users/cg/Downloads/smalltalk/shampoo/shampoo/auth.st'
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asFilename readStream).
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373 |
"
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"Created: / 22-09-2018 / 22:49:59 / Claus Gittinger"
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4355
|
376 |
"Modified: / 23-09-2018 / 02:09:14 / Claus Gittinger"
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4352
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! !
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!GSTFileReader class methodsFor:'documentation'!
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381 |
version_CVS
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382 |
^ '$Header$'
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383 |
! !
|
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384 |
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