[Pharo-dev] GTDebugger variables table

Denis Kudriashov dionisiydk at gmail.com
Thu Feb 2 11:28:29 EST 2017

2017-02-02 17:16 GMT+01:00 John Brant <brant at refactoryworkers.com>:

> I think my preference would be to have several tabs for the variables. In
> addition to the one tab that we have now that shows all variables, I can
> think of tabs for locals, inst vars, interesting variables, watched
> variables/expressions, and stack variables. Locals would show just the
> method/block arguments and any temps defined in the method. Inst vars would
> show the object's inst vars (and maybe class vars, however these would only
> appear after the inst vars).
> Interesting variables would show locals and inst vars used by the method.
> The locals would be limited to the ones that are still active at the
> current location in the method. For example, if you are in a block, it
> would only show variables used in the block. Also, if you are
> before(/after) the first(/final) use of the variable, it wouldn't show in
> the interesting list. Interesting variables should also do some analysis to
> see what accessor methods are used and show their corresponding variables.
> Watched variables/expressions would be user controlled. The user could
> add/remove variables or expressions. These variables/expressions would
> remain across different methods. If a variable didn't exist in the other
> method, "Invalid" could be displayed.
> Finally, stack variables would display the whole stack and not just the
> top item. I like the ability to see the stack top, but it really doesn't
> work if you want to see the first argument of a two argument message send.
> For example, if you debug "Array with: OrderedCollection new with: Set
> new", stepping over the "OrderedCollection new" immediately pushes the
> "Set" class on the stack so you can't see the "OrderedCollection new"
> object.
> BTW, the current variable list sometimes shows 'error obtaining field
> value' for temporaries when stepping through a method. I'm not sure why it
> occurs, but it should always be able to display the temp variables.

I want everything you suggest :)
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