The Trunk: PackageInfo-Base-ul.45.mcz

Levente Uzonyi uploaded a new version of PackageInfo-Base to project The Trunk:
http://source.squeak.org/trunk/PackageInfo-Base-ul.45.mcz

==================== Summary ====================

Name: PackageInfo-Base-ul.45
Author: ul
Time: 16 November 2010, 5:01:04.689 am
UUID: 629023a9-5e36-0a4b-b48b-914b0f559f14
Ancestors: PackageInfo-Base-eem.44

- use #= for integer comparison instead of #== (http://bugs.squeak.org/view.php?id=2788 )

=============== Diff against PackageInfo-Base-eem.44 ===============

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].
- 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].
  position := prevPos.
  prevPos notNil ifTrue:
  [file := sourceFilesCopy at: prevFileIndex]].
  ^ nil]
  ensure: [sourceFilesCopy do: [:x | x notNil ifTrue: [x close]]]
  !