I'm running into the problem in an example script, so Ivar's suggestion
works perfectly.  

Mauro

On Wed, 2014-10-22 at 12:11, Tim Holy <[email protected]> wrote:
> I frequently debug macros by writing them as functions that operate on 
> expressions, and then define the macro so it calls the function.
>
> --Tim
>
> On Wednesday, October 22, 2014 03:06:10 AM Ivar Nesje wrote:
>> The problem is that the error from the macro evaluation is an error that
>> gets raised when evaluating the source, so you need to put try outside the
>> include of the file or use eval:
>> 
>> try
>>    eval(:(@a))
>> end
>> 
>> You can also put the try block inside the macro.
>> 
>> Ivar
>> 
>> kl. 11:59:39 UTC+2 onsdag 22. oktober 2014 skrev Mauro følgende:
>> > Is it possibly to catch an error happening during macro evaluation?
>> > 
>> > Example:
>> > ```
>> > macro a()
>> > 
>> >     error("error in marco itself")
>> > 
>> > end
>> > 
>> > macro b()
>> > 
>> >     :(error("error in marco generated code"))
>> > 
>> > end
>> > 
>> > # works:
>> > try
>> > 
>> >     @b
>> > 
>> > end
>> > 
>> > # still errors:
>> > try
>> > 
>> >     @a
>> > 
>> > end
>> > ```
>> > 
>> > How to `try` the error in `@a`?

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