Re: [platform-debug-dev] Implementing IWatchExpressionDelegate

[Ralf Buschermoehle <lobequadrat@xxxxxxxxxxxxxx>]

Hi Darin,

thanks for your reply.

Darin Wright wrote:
> Generally, you can retrieve the variables contained in a variable by using 
> IVariable.getValue().getVariables(). I.e. a value representing a data 
> structure may contain more variables. 
Yes. That would solve the problem ... if I would have the variable of 
the Watch Expression - but I only have the expression:String, or did I 
miss something?

Greetings,

   Ralf
> However, its entirely up to your 
> debug model/language to determine what sort of scoping rules exist, and if 
> B should be visible in the context of A.
>
> Darin 
>
>
>
> From:
> Ralf Buschermoehle <lobequadrat@xxxxxxxxxxxxxx>
> To:
> "Eclipse Platform Debug component developers list." 
> <platform-debug-dev@xxxxxxxxxxx>
> Date:
> 10/25/2009 05:40 AM
> Subject:
> [platform-debug-dev] Implementing IWatchExpressionDelegate
> Sent by:
> platform-debug-dev-bounces@xxxxxxxxxxx
>
>
>
> Hello,
>
> I would like to use Watch Expressions in my Debug Platform project. 
> Looking in the WatchExpressionDelegate I get
>
> public void evaluateExpression(String expression, IDebugElement context, 
> IWatchExpressionListener listener)
>
> whereby expression is the Variable Name of the Variable Window and 
> context is a StackFrame of the surrounding context.
>
> My problem is that context has all Variables (of course according to 
> it's name) of the surrounding Stack Frame. Since my variable names (of 
> the variable view) are only unique on their first level e.g.,
>
> uniqueID variable "A" -->(unfolding a "complex" variable)--> "B" 
> ("living" inside of "A").
>
> I am able to get the value of the expression on the first level (by 
> traversing the Stackframe) - but not the value of variable B since B 
> might occur multiple times in the Stackframe.
>
> Is there a ("direct") way to get the value of "B"?
>
> Greetings,
>
>     Ralf
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