[squeak-dev] The Trunk: PackageInfo-Base-bf.57.mcz
commits at source.squeak.org
commits at source.squeak.org
Tue Oct 11 13:25:43 UTC 2011
Bert Freudenberg uploaded a new version of PackageInfo-Base to project The Trunk:
http://source.squeak.org/trunk/PackageInfo-Base-bf.57.mcz
==================== Summary ====================
Name: PackageInfo-Base-bf.57
Author: bf
Time: 11 October 2011, 3:25:34.7 pm
UUID: 0c85d431-11e8-4780-8122-f7262b341c1a
Ancestors: PackageInfo-Base-ul.56
- fix override detection
=============== Diff against PackageInfo-Base-ul.56 ===============
Item was changed:
----- Method: PackageInfo>>changeRecordForOverriddenMethod: (in category 'testing') -----
changeRecordForOverriddenMethod: aMethodReference
| sourceFilesCopy method position |
method := aMethodReference actualClass compiledMethodAt: aMethodReference methodSymbol.
position := method filePosition.
sourceFilesCopy := SourceFiles collect:
[:x | x isNil ifTrue: [ nil ]
ifFalse: [x readOnlyCopy]].
[ | file prevPos prevFileIndex chunk stamp methodCategory tokens |
method fileIndex = 0 ifTrue: [^ nil].
file := sourceFilesCopy at: method fileIndex.
[position notNil & file notNil]
whileTrue:
[file position: (0 max: position-150). "Skip back to before the preamble"
[file position < (position-1)] "then pick it up from the front"
whileTrue: [chunk := file nextChunk].
"Preamble is likely a linked method preamble, if we're in
a changes file (not the sources file). Try to parse it
for prior source position and file index"
prevPos := nil.
stamp := ''.
(chunk findString: 'methodsFor:' startingAt: 1) > 0
ifTrue: [tokens := Scanner new scanTokens: chunk]
ifFalse: [tokens := Array new "ie cant be back ref"].
((tokens size between: 7 and: 8)
and: [(tokens at: tokens size-5) = #methodsFor:])
ifTrue:
[(tokens at: tokens size-3) = #stamp:
ifTrue: ["New format gives change stamp and unified prior pointer"
stamp := tokens at: tokens size-2.
prevPos := tokens last.
prevFileIndex := sourceFilesCopy fileIndexFromSourcePointer: prevPos.
prevPos := sourceFilesCopy filePositionFromSourcePointer: prevPos]
ifFalse: ["Old format gives no stamp; prior pointer in two parts"
prevPos := tokens at: tokens size-2.
prevFileIndex := tokens last].
(prevPos = 0 or: [prevFileIndex = 0]) ifTrue: [prevPos := nil]].
((tokens size between: 5 and: 6)
and: [(tokens at: tokens size-3) = #methodsFor:])
ifTrue:
[(tokens at: tokens size-1) = #stamp:
ifTrue: ["New format gives change stamp and unified prior pointer"
stamp := tokens at: tokens size]].
methodCategory := tokens after: #methodsFor: ifAbsent: ['as yet unclassifed'].
(self includesMethodCategory: methodCategory ofClass: aMethodReference actualClass) ifTrue:
[methodCategory = (Smalltalk at: #Categorizer ifAbsent: [Smalltalk at: #ClassOrganizer]) default ifTrue: [methodCategory := methodCategory, ' '].
^ ChangeRecord new file: file position: position type: #method
class: aMethodReference classSymbol category: methodCategory meta: aMethodReference classIsMeta stamp: stamp].
+ (self isOverrideCategory: methodCategory) ifFalse: [^nil].
position := prevPos.
prevPos notNil ifTrue:
[file := sourceFilesCopy at: prevFileIndex]].
^ nil]
ensure: [sourceFilesCopy do: [:x | x notNil ifTrue: [x close]]]
!
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