Re: [Pharo-project] Startup description of the problem

March 13, 2010


      Well caught!

Alexandre


On 13 Mar 2010, at 15:20, StÃ©phane Ducasse wrote:
...
Here is the reason why Clipboard was not well initialized and the  
general problem with the startup list if we execute Smalltalk  
initialize :)
in the startup list not complete (and cannot really because other  
classes may dynamically register themselves)
SmalltalkImage>>initializeStartUpList
  "SmalltalkImage initializeStartUpList"
| oldList |
  oldList := StartUpList.
  StartUpList := OrderedCollection new.
  "These get processed from the top down..."
  #(
      Delay
      DisplayScreen
      Cursor
      InputEventFetcher
      ProcessorScheduler  "Starts low space watcher and bkground."
      LanguageEnvironment
      FileDirectory  "Enables file stack dump and opens sources."
      NaturalLanguageTranslator
      ShortIntegerArray
      ShortRunArray
      CrLfFileStream
  ) do:[:clsName|
      Smalltalk at: clsName ifPresent:[:cls| Smalltalk addToStartUpList:  
cls].
  ].
  oldList ifNotNil: [oldList do: [:className | Smalltalk at: className
      				ifPresent: [:theClass | Smalltalk addToStartUpList: theClass]]].
  #(
      PasteUpMorph
      "ControlManager"
  ) do:[:clsName|
      Smalltalk at: clsName ifPresent:[:cls| Smalltalk addToStartUpList:  
cls].
  ].
Now if we check the classes that have a addToStartUpList: call and  
that are not in the previous list.
We see that we missed a lot of them.
classes := ((SystemNavigation default allCallsOn: #addToStartUpList:)
collect: [ :e | e methodClass ]),
((SystemNavigation default allCallsOn: #addToStartUpList:after:)
collect: [ :e | e methodClass ]).
classNames := classes collect: [ :n | n instanceSide name ].
(Smalltalk class classVarNamed: 'StartUpList') do: [ :s |
  classNames remove: s ifAbsent: [] ].
classNames asSortedCollection
a SortedCollection(#AutoStart #CPUWatcher #Clipboard #CommandHistory  
#ExternalSettings #FreeTypeFontProvider #FreeTypeSettings  
#HostSystemMenus #HostWindowProxy #InputEventSensor  
#InternetConfiguration #Locale #MenuIcons #MultiByteFileStream  
#OSPlatform #ProcessBrowser #SecurityManager #SmalltalkImage  
#SmalltalkImage #SystemDictionary #SystemDictionary #UITheme  
#UUIDGenerator #WeakArray).
InputEventSensor has startup and shutdown but no initialize
Stef
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-- 
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Alexandre Bergel  http://www.bergel.eu
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