Squeak-dev July 2004

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146 participants
464 discussions

strange monticello message when installing SmallWiki
by Martin Kuball 01 Jul '04

01 Jul '04

Hi! Installed SmallWiki from SM into a fresh 5967 image. Somewhere in between I got the following message: Warning: prerequisite specified version 1.2 of Named process but version 1.2 is currently registered on SqueakMap. Incompatibilities might exist and cause problems. If we need 1.2 and 1.2 is available (?) what is the problem? I got a similar message for another package and one error (method not understood). I had to restart the install two times. But I think SmallWiki is working now. Martin

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Refactoring Browser for latest 3.7b
by Jason Rogers 01 Jul '04

01 Jul '04

I have a brand new 3.7b.5967.image in which I would like to install the RefactoringBrowser. I see in the PackageExplorer a listing for 3.7 (current version is 32) and a listing for the browser and related tools (current version is 1.03). Which do I take? Thanks. -- Jason Rogers "I am crucified with Christ: nevertheless I live; yet not I, but Christ liveth in me: and the life which I now live in the flesh I live by the faith of the Son of God, who loved me, and gave himself for me." Galatians 2:20

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Monticello bug; #class and #== optimalizations
by Pavel Křivánek 01 Jul '04

01 Jul '04

Hi all, Monticello has a problem with this class construction: ProtoObject subclass: #MyClass instanceVariableNames: 'object' classVariableNames: '' poolDictionaries: '' category: 'MyClasses. MyClass superclass: nil It forgets the last line with superclass specification. I'm using it for proxy objects. Instances of MyClass have one variable to store a real receiver of messages. MyClass resends messages using doesNotUnderstand mechanism. doesNotUnderstand: aMessage ^ aMessage sendTo: object. It works well but there is one problem - Squeak uses optimalization of some message calls. For example, message #class is never called, because Squeak uses special bytecode 199 (bytecodePrimClass). Real class of proxy object is returned instead of receiver class. Message #isVariable returns wrong value for arrays, large integers etc. So I have made a variable subclass of MyClass and I use it for proxy object of variable receivers. It works well too. I used this proxy objects for a dictionary and its instance variables including tally. This variable stores a size of dictionary. When Squeak makes a copy of dictionary array, he sends tally like a parameter in constructor of new array, but primitive method fails. VM wants an integer instance strictly. Any ideas? Pavel

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Re: [FIX] [3.7b] EnsureEssentialProcesses-nk ( Review needed, please! )
by David T. Lewis 01 Jul '04

01 Jul '04

On Tue, Jun 29, 2004 at 07:34:00PM -0400, ned(a)squeakland.org wrote: > > [FIX] [3.7b] EnsureEssentialProcesses-nk ( Review needed, please! ) For some reason, Ned's original [FIX] does not seem to have made it to the BFAV list. I have attached a copy of his change set, and here is the message that he originally posted: ----- This prevents the potentially serious consequences of killing off the WeakArray finalization process. Please review this soon! from preamble: "Change Set: EnsureEssentialProcesses-nk Date: 21 June 2004 Author: Ned Konz It's possible to kill off the WeakArray finalization process, and it never gets restarted. This can cause many hard-to-diagnose problems. This change set ensures that the WeakArray finalization process is started at every start up. It also shuts down the EventSensor's interruptWatcherProcess and eventTicklerProcess at shutdown time (and starts them at startUp time, of course). "!

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