author | Claus Gittinger <cg@exept.de> |
Fri, 09 Feb 1996 18:29:16 +0100 | |
changeset 955 | 6b5487deebfa |
parent 882 | cb91ec165c55 |
child 959 | dbf9d63b4a6c |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
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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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Object subclass:#ClassCategoryReader |
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instanceVariableNames:'myClass myCategory privacy ignore primSpec' |
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classVariableNames:'KeepSource SourceMode' |
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poolDictionaries:'' |
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category:'Kernel-Support' |
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! |
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!ClassCategoryReader class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1989 by Claus Gittinger |
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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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a helper class for fileIn - keeps track of class and category to filein for. |
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Instances of this are created by the #methodsFor: methods in Class, to |
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read the next chunk(s) from a stream. |
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ClassCategoryReaders allow different ways of keeping the sourceCode of its |
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loaded code. This is controlled by the SourceMode class variable which may be: |
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#discard - forget the source code; no browsing/recompilation is possible |
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#keep - keep the source code as a string. |
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any saved image will later be fully independent of any |
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source files. |
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#reference - keep a reference to the loaded files basename |
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In order to be browsable, the original sourcefile should be |
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found along the sourcePath |
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(i.e. typically a link in the source directory should be present) |
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|
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#absReference - keep a reference to the loaded files absolute pathname |
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(this is ok in multiUser configurations, where all sourcefiles are mounted |
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on a common path; typically automounted systems) |
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|
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#sourceReference - append source to the `st.src' file, |
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and keep a reference to that file. |
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if the image is later moved to another location, |
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this file should be moved along with it. |
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" |
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! ! |
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!ClassCategoryReader class methodsFor:'initialization'! |
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initialize |
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KeepSource := true. |
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SourceMode := #keep. |
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" |
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ClassCategoryReader initialize |
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" |
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"Modified: 9.2.1996 / 17:22:57 / cg" |
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! ! |
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!ClassCategoryReader class methodsFor:'instance creation'! |
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class:aClass category:aCategory |
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"return a new ClassCategoryReader to read methods for aClass with |
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methodCategory aCategory" |
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^ self new class:aClass category:aCategory |
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! |
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class:aClass primitiveSpec:which |
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"return a ClassCategoryReader to read a primitiveSpec chunk" |
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^ self new class:aClass primitiveSpec:which |
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! |
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skippingChunks |
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"return a class categoryReader which skips chunks up to the next empty one" |
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^ self new ignoreMethods |
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! ! |
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!ClassCategoryReader class methodsFor:'defaults'! |
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keepSource |
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^ KeepSource |
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"Created: 9.9.1995 / 15:22:27 / claus" |
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keepSource:aBoolean |
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KeepSource := aBoolean. |
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SourceMode := (aBoolean ifTrue:[#keep] ifFalse:[#reference]) |
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"Created: 9.9.1995 / 15:22:26 / claus" |
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"Modified: 9.2.1996 / 17:23:04 / cg" |
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! |
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sourceMode |
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"return the sourceMode, which controls how sources are to be handled. |
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Read #documentation for more info" |
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^ SourceMode |
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"Created: 9.2.1996 / 17:22:58 / cg" |
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! |
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sourceMode:aSymbol |
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"set the sourceMode, which controls how sources are to be handled. |
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Read #documentation for more info" |
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SourceMode := aSymbol |
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"Created: 9.2.1996 / 17:23:00 / cg" |
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! ! |
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!ClassCategoryReader methodsFor:'fileIn'! |
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fileInFrom:aStream |
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"read method-chunks from the input stream, aStream; compile them |
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and add the methods to the class defined by the class-instance var" |
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self fileInFrom:aStream notifying:nil passChunk:false |
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! |
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fileInFrom:aStream notifying:requestor passChunk:passChunk |
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"read method-chunks from the input stream, aStream; compile them |
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and add the methods to the class defined by the class-instance var; |
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errors and notifications are passed to requestor" |
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|aString done method compiler canMakeSourceRef sourceFile pos nm fn src s| |
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ignore ifFalse:[ |
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Smalltalk silentLoading ifFalse:[ |
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myClass isNil ifTrue:[ |
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nm := '** UndefinedClass **' |
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] ifFalse:[ |
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nm := myClass name |
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]. |
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Transcript show:' '; show:nm; show:' -> '; showCr:myCategory. |
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]. |
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canMakeSourceRef := false. |
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"/ |
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"/ KeepSource controls if |
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"/ the sourceString should be kept or |
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"/ a reference to the fileStream should be placed into the |
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"/ method intead. |
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"/ |
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((SourceMode ~~ #keep) |
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and:[SourceMode ~~ #discard]) ifTrue:[ |
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aStream isFileStream ifTrue:[ |
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sourceFile := aStream pathName. |
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"/ |
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"/ only do it, if the sourceFiles name |
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"/ ends with '.st' |
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"/ this prevents methods to reference the changes file. |
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"/ |
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(sourceFile endsWith:'.st') ifTrue:[ |
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canMakeSourceRef := true. |
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|
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SourceMode == #absReference ifFalse:[ |
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SourceMode == #sourceReference ifTrue:[ |
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sourceFile := 'st.src'. |
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] ifFalse:[ |
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sourceFile := aStream pathName asFilename baseName |
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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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done := false. |
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[done] whileFalse:[ |
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done := aStream atEnd. |
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done ifFalse:[ |
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canMakeSourceRef ifTrue:[ |
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pos := aStream position |
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]. |
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aString := aStream nextChunk. |
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done := aString isNil or:[aString isEmpty]. |
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done ifFalse:[ |
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primSpec notNil ifTrue:[ |
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myClass perform:primSpec with:aString. |
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" |
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ignore rest |
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207 |
" |
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ignore := true |
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]. |
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ignore ifFalse:[ |
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passChunk ifTrue:[ |
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requestor source:aString |
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]. |
328 | 214 |
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compiler := myClass compilerClass. |
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|
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"/ |
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"/ kludge - for now; |
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"/ have to make ST/X's compiler protocol be compatible to ST-80's |
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"/ for other compilers to work ... (TGEN for example) |
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"/ |
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(compiler respondsTo:#compile:forClass:inCategory:notifying:install:skipIfSame:) |
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ifTrue:[ |
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"/ ST/X's compiler |
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method :=compiler |
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compile:aString |
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forClass:myClass |
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inCategory:myCategory |
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notifying:requestor |
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install:true |
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skipIfSame:true. |
350 | 232 |
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(method notNil and:[method ~~ #Error]) ifTrue:[ |
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canMakeSourceRef ifTrue:[ |
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(src := method getSource) = aString ifTrue:[ |
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"/ it was not corrected ... |
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SourceMode == #sourceReference ifTrue:[ |
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s := sourceFile asFilename appendingWriteStream. |
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s setToEnd. |
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pos := s position. |
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s nextChunkPut:src. |
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s close. |
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244 |
]. |
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method sourceFilename:sourceFile position:pos |
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] |
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] ifFalse:[ |
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SourceMode == #discard ifTrue:[ |
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method sourceFilename:nil position:nil |
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] |
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] |
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252 |
] |
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] ifFalse:[ |
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"/ some generated (TGEN) compiler |
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method := compiler new |
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compile:aString |
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in:myClass |
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notifying:requestor |
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259 |
ifFail:nil |
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260 |
]. |
328 | 261 |
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privacy notNil ifTrue:[ |
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263 |
privacy == #private ifTrue:[ |
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264 |
method setToPrivate |
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265 |
] ifFalse:[ |
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privacy == #protected ifTrue:[ |
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method setToProtected |
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268 |
] |
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269 |
] |
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270 |
] |
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271 |
] |
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272 |
] |
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273 |
] |
1 | 274 |
] |
425 | 275 |
|
276 |
"Modified: 9.9.1995 / 15:29:08 / claus" |
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"Modified: 9.2.1996 / 17:46:20 / cg" |
699 | 278 |
! ! |
279 |
||
280 |
!ClassCategoryReader methodsFor:'private'! |
|
281 |
||
282 |
class:aClass category:aCategory |
|
283 |
"set the instance variables" |
|
284 |
||
285 |
myClass := aClass. |
|
286 |
myCategory := aCategory. |
|
287 |
ignore := false |
|
1 | 288 |
! |
289 |
||
699 | 290 |
class:aClass primitiveSpec:which |
291 |
"set the instance variables" |
|
292 |
||
293 |
myClass := aClass. |
|
294 |
primSpec := which. |
|
295 |
ignore := false |
|
296 |
! ! |
|
297 |
||
298 |
!ClassCategoryReader methodsFor:'special'! |
|
299 |
||
300 |
ignoreMethods |
|
301 |
ignore := true |
|
302 |
! |
|
1 | 303 |
|
699 | 304 |
privateProtocol |
305 |
privacy := #private |
|
306 |
! |
|
307 |
||
308 |
protectedProtocol |
|
309 |
privacy := #protected |
|
1 | 310 |
! ! |
699 | 311 |
|
312 |
!ClassCategoryReader class methodsFor:'documentation'! |
|
313 |
||
314 |
version |
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^ '$Header: /cvs/stx/stx/libbasic/ClassCategoryReader.st,v 1.27 1996-02-09 17:29:16 cg Exp $' |
699 | 316 |
! ! |
317 |
ClassCategoryReader initialize! |