[squeak-dev] Where does the compiler handle the "local bindings" of workspaces?

karl ramberg karlramberg at gmail.com
Tue Feb 28 06:26:47 UTC 2023

See change set in attachment for adding dynamic bindings to HelpBrowser.
It's a proof of concept :-)


On Mon, Feb 27, 2023 at 9:42 AM Eduardo Ochs <eduardoochs at gmail.com> wrote:

> Hi Karl,
> > In HelpBrowser you must declare the variables before using them.
> > (...)
> > HelpBrowser does not implement dynamic binding of variables.
> Yes - my first idea was to ask here what I needed to change in my
> class TerseGuideHelp to make the "workspace" of its help browser use
> dynamic biding of variables... but then I spent some hours trying to
> find the answer myself, and I stumbled on a more low-level question
> that I found much more askworthy...
> > You can right click on a Workspace window and a HelpBrowser window
> > and inspect the model and see the differences.
> I did that. Are these differences obvious to a trained eye? They
> weren't to me.
> > Also browse class Workspace and look at access to variable
> > 'bindings'.
> This may be a pointer to searching tools that I need to learn. I saw
> that if I click on "variables" and then on "bindings" I get a list of
> the methods in Workspace that access the variable "bindings"... I also
> tried to fileOut the class Workspace and to read it in Emacs, and I
> found the same occurrences.
> Here is an educated guess. Is the method "hasBindingOf:" the main
> piece needed to make a mini-workspace support dynamic variables? If
> so, how, exactly? Is there a part of the compiler that calls
> "hasBindingOf:" when it sees an unknown variable? I couldn't find
> it...
>   Cheers,
>     Eduardo Ochs
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