[platform-debug-dev] RE: How to call a (local ?) method from a Watch exp

["Mike Parfitt" <Mike.Parfitt@xxxxxxxxxxxxx>]

>  -----Original Message-----
> From: 	Mike Parfitt  
> Sent:	21 November 2003 08:55
> To:	'platform-debug-dev@xxxxxxxxxxx'
> Subject:	How to call a (local ?) method from a Watch expression
> 
> If this is the wrong forum, please advise - (my first posting)
> 
> Within a project I have added a static method which successfully uses the Reflection API to dump (to a file) a formatted print of any given object to a specified (recursive) depth.
> 
> When I call it from the java code that executes as a result of an incoming request it works fine, but this requires me to have modified the code ahead of the test to insert the relevant call(s).
> 
> What I would like to do, is call it when I am debugging and halted at a checkpoint, or at some subsequent statement that I have stepped to using F5 or F6 etc.
> 
> When I put a call into a Watch Expression I get <error(s) during the evaluation> both when the return type is void and when it is a primitive type (int) - I have also tried modifying the number of \ characters after the drive letter in the string defining the file name, but the error(s) remain.
> 
> The logic around Watch Expressions must be evaluating expressions on the fly, so I don't understand why it can't execute mine.  I can't be the first to try calling a method in my own project from a Watch Expression - perhaps this is inherently unfeasible, or perhaps there is a document that I haven't found that shows how to do it.
> 
> So,
> 
> Q1) What limitations exist on the evaluation of Watch Expressions ?
>     Q1a) is there a document defining them ?
> Q2) Is there a way of finding out what <error(s) during the evaluation> actually means in this (or any other) case ?
> Q3) Is there some way of wrapping the call to allow the Watch Expression parser to accept it ?
> Q4) Would it work if the method was in a seperate .jar file ?
> 
> Many Thanks
> 
> Mike Parfitt 
 
 
Mike Parfitt 
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