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Re: [Help-smalltalk] re-loading code


From: Stefan Schmiedl
Subject: Re: [Help-smalltalk] re-loading code
Date: Sat, 22 Jan 2011 16:52:16 +0100

On Sat, 22 Jan 2011 16:15:27 +0100
Holger Hans Peter Freyther <address@hidden> wrote:

> On 01/22/2011 03:55 PM, Stefan Schmiedl wrote:
> > Greetings,
> 
> > How do I get the updated MyWidget code into the running iliad.im
> > so that the next invocation actually uses the new code?
> 
> In general i think this is something where GNU Smalltalk could be a lot
> better. 

I hope that it's just a matter of finding the correct sequence of message
sends and then encapsulating them into something short :-)

> When you try to use FileStream fileIn: 'Source' you will need to
> manually set the right namespace.

which I should be able to do by providing some wrapper.

> 
> What I tend to do is to either:
> a)
>     $ Smalltalk removeFeature: #MyMod. PackageLoader fileInPackage: #MyMod

Aha. I was missing the removeFeature: message. Obviously I need to read
the docs again. Having a bad memory is a two-edged sword, as I end
up in newbie-situations more often than usual ;->

What happens to instances of classes defined in package MyMod during
removeFeature? Are they kept around and migrated somehow to the new structure
when that is loading?

> b)
>     When developing the module just load everything from the module in
>     the current namespace with 'FileStream fileIn' and then load new code
>     again.
> 

Oh. Now that you've said it, it's as obvious as the invention of the catflap.

Thanks!

s.



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