author | Claus Gittinger <cg@exept.de> |
Sun, 02 Nov 1997 20:14:50 +0100 | |
changeset 3089 | 0823aa17ac4d |
parent 3028 | 3a05e7a72d2f |
child 3217 | 568eaf667294 |
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 SkipUnchangedMethods' |
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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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[author:] |
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Claus Gittinger |
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[see also:] |
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Class PositionableStream |
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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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SkipUnchangedMethods := true. |
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" |
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ClassCategoryReader initialize |
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" |
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"Modified: 14.2.1997 / 18:26:52 / 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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!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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skipUnchangedMethods |
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"return true, if the default for unchanged methods is to skip them. |
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The default is true." |
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^ SkipUnchangedMethods |
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"Created: 14.2.1997 / 18:27:49 / cg" |
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"Modified: 14.2.1997 / 18:28:13 / cg" |
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! |
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skipUnchangedMethods:aBoolean |
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"return true, if the default for unchanged methods is to skip them. |
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The default is true. Can be temporarily changed to false, if |
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a forced fileIn is required." |
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SkipUnchangedMethods := aBoolean |
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"Created: 14.2.1997 / 18:27:43 / cg" |
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"Modified: 14.2.1997 / 18:28:42 / 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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|
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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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If passChunk is true, chunks are given to the requestor, |
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via a #source: message, allowing it to open a view showing any |
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arronous source code." |
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^ self |
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fileInFrom:aStream |
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notifying:requestor |
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passChunk:passChunk |
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single:false |
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"Modified: 5.1.1997 / 03:01:26 / cg" |
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! |
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fileInFrom:aStream notifying:requestor passChunk:passChunk single:oneChunkOnly |
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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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If passChunk is true, chunks are given to the requestor, |
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via a #source: message, allowing it to open a view showing any |
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erronous source code. |
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If oneChunkOnly is true, the fileIn is finished after the first chunk." |
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|aString done method compiler canMakeSourceRef sourceFile pos nm src s| |
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Smalltalk silentLoading == true 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:' -> '; show:myCategory. |
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ignore ifTrue:[ |
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Transcript show:' (** ignored **)'. |
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] ifFalse:[ |
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privacy notNil ifTrue:[ |
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Transcript show:' (** '; show:privacy; show:' **)' |
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] |
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]. |
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Transcript cr. |
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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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216 |
"/ a reference to the fileStream should be placed into the |
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217 |
"/ method intead. |
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218 |
"/ |
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219 |
((SourceMode ~~ #keep) |
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220 |
and:[SourceMode ~~ #discard]) ifTrue:[ |
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221 |
aStream isFileStream ifTrue:[ |
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sourceFile := aStream pathName. |
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223 |
"/ |
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224 |
"/ only do it, if the sourceFiles name |
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225 |
"/ ends with '.st' |
3028 | 226 |
"/ this prevents methods from referencing the changes file. |
959
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227 |
"/ |
3028 | 228 |
(sourceFile asFilename hasSuffix:'st') ifTrue:[ |
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229 |
canMakeSourceRef := true. |
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230 |
|
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231 |
SourceMode == #absReference ifFalse:[ |
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232 |
SourceMode == #sourceReference ifTrue:[ |
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233 |
sourceFile := 'st.src'. |
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234 |
] ifFalse:[ |
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235 |
sourceFile := aStream pathName asFilename baseName |
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236 |
] |
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237 |
] |
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238 |
] |
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239 |
] |
425 | 240 |
]. |
241 |
||
1 | 242 |
done := false. |
243 |
[done] whileFalse:[ |
|
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244 |
done := aStream atEnd. |
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245 |
done ifFalse:[ |
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|
246 |
canMakeSourceRef ifTrue:[ |
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|
247 |
pos := aStream position |
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248 |
]. |
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|
249 |
aString := aStream nextChunk. |
3028 | 250 |
done := aString size == 0. |
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251 |
done ifFalse:[ |
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252 |
primSpec notNil ifTrue:[ |
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253 |
ignore ifFalse:[ |
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254 |
myClass perform:primSpec with:aString. |
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255 |
" |
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256 |
ignore rest |
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|
257 |
" |
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|
258 |
ignore := true |
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259 |
] |
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260 |
] ifFalse:[ |
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|
261 |
passChunk ifTrue:[ |
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|
262 |
requestor source:aString |
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|
263 |
]. |
328 | 264 |
|
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|
265 |
compiler := myClass compilerClass. |
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|
266 |
|
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267 |
"/ |
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|
268 |
"/ kludge - for now; |
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|
269 |
"/ have to make ST/X's compiler protocol be compatible to ST-80's |
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270 |
"/ for other compilers to work ... (TGEN for example) |
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271 |
"/ |
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|
272 |
(compiler respondsTo:#compile:forClass:inCategory:notifying:install:skipIfSame:) |
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273 |
ifTrue:[ |
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|
274 |
"/ ST/X's compiler |
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275 |
method :=compiler |
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|
276 |
compile:aString |
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|
277 |
forClass:myClass |
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|
278 |
inCategory:myCategory |
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|
279 |
notifying:requestor |
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|
280 |
install:true |
2404
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|
281 |
skipIfSame:SkipUnchangedMethods. |
350 | 282 |
|
955
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283 |
(method notNil and:[method ~~ #Error]) ifTrue:[ |
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|
284 |
canMakeSourceRef ifTrue:[ |
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|
285 |
(src := method getSource) = aString ifTrue:[ |
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|
286 |
"/ it was not corrected ... |
350 | 287 |
|
955
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|
288 |
SourceMode == #sourceReference ifTrue:[ |
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|
289 |
s := sourceFile asFilename appendingWriteStream. |
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|
290 |
s setToEnd. |
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|
291 |
pos := s position. |
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|
292 |
s nextChunkPut:src. |
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|
293 |
s close. |
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|
294 |
]. |
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|
295 |
method sourceFilename:sourceFile position:pos |
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|
296 |
] |
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|
297 |
] ifFalse:[ |
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|
298 |
SourceMode == #discard ifTrue:[ |
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|
299 |
method sourceFilename:nil position:nil |
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|
300 |
] |
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|
301 |
] |
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|
302 |
] |
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changeset
|
303 |
] ifFalse:[ |
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|
304 |
"/ some generated (TGEN) compiler |
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|
305 |
method := compiler new |
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changeset
|
306 |
compile:aString |
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|
307 |
in:myClass |
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|
308 |
notifying:requestor |
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changeset
|
309 |
ifFail:nil |
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|
310 |
]. |
328 | 311 |
|
959
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|
312 |
ignore ifTrue:[ |
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|
313 |
method setToIgnored |
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|
314 |
] ifFalse:[ |
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|
315 |
privacy notNil ifTrue:[ |
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|
316 |
privacy == #private ifTrue:[ |
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|
317 |
method setToPrivate |
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|
318 |
] ifFalse:[ |
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|
319 |
privacy == #protected ifTrue:[ |
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|
320 |
method setToProtected |
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changeset
|
321 |
] |
955
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changeset
|
322 |
] |
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changeset
|
323 |
] |
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changeset
|
324 |
] |
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|
325 |
] |
1644 | 326 |
]. |
327 |
oneChunkOnly ifTrue:[done := true]. |
|
955
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|
328 |
] |
1 | 329 |
] |
425 | 330 |
|
331 |
"Modified: 9.9.1995 / 15:29:08 / claus" |
|
1644 | 332 |
"Created: 5.9.1996 / 17:45:45 / cg" |
3028 | 333 |
"Modified: 14.10.1997 / 16:15:38 / cg" |
699 | 334 |
! ! |
335 |
||
336 |
!ClassCategoryReader methodsFor:'private'! |
|
337 |
||
338 |
class:aClass category:aCategory |
|
339 |
"set the instance variables" |
|
340 |
||
341 |
myClass := aClass. |
|
342 |
myCategory := aCategory. |
|
343 |
ignore := false |
|
1 | 344 |
! |
345 |
||
699 | 346 |
class:aClass primitiveSpec:which |
347 |
"set the instance variables" |
|
348 |
||
349 |
myClass := aClass. |
|
350 |
primSpec := which. |
|
351 |
ignore := false |
|
352 |
! ! |
|
353 |
||
354 |
!ClassCategoryReader methodsFor:'special'! |
|
355 |
||
959
dbf9d63b4a6c
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changeset
|
356 |
ignoredProtocol |
699 | 357 |
ignore := true |
959
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changeset
|
358 |
|
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changeset
|
359 |
"Created: 10.2.1996 / 12:54:15 / cg" |
699 | 360 |
! |
1 | 361 |
|
699 | 362 |
privateProtocol |
363 |
privacy := #private |
|
364 |
! |
|
365 |
||
366 |
protectedProtocol |
|
367 |
privacy := #protected |
|
1 | 368 |
! ! |
699 | 369 |
|
2065 | 370 |
!ClassCategoryReader class methodsFor:'documentation'! |
699 | 371 |
|
372 |
version |
|
3089 | 373 |
^ '$Header: /cvs/stx/stx/libbasic/ClassCategoryReader.st,v 1.36 1997-11-02 19:14:50 cg Exp $' |
699 | 374 |
! ! |
375 |
ClassCategoryReader initialize! |