Re: [boost] [log] More questions for Andrey (how to add function signature to messages)

From: Boris (boriss_at_[hidden])
Date: 2008-08-20 15:12:55

On Wed, 20 Aug 2008 18:38:31 +0200, Andrey Semashev  
<andrey.semashev_at_[hidden]> wrote:

> Boris wrote:
>> Currently I'm writing messages to a file with:
>>
>> BOOST_LOG(mylogger) << __FUNCSIG__ << " message text";
>>
>> I'd prefer if the function signature (let's assume for now that the
>> macro is supported by all compilers) is written automatically without me
>> having to add __FUNCSIG__ everywhere. From what I understand I can't
>> simply add an attribute to the logger as __FUNCSIG__ would then be used
>> in another function (and thus a different function signature would be
>> written).
>
> Maybe this is what you seek:
>
> http://tinyurl.com/67ttlq
>
> All you have to do is to add a global named scope attribute and the
> appropriate formatter:
>
> http://tinyurl.com/5dvsub
>
> Then you can add BOOST_LOG_FUNCTION and BOOST_LOG_NAMED_SCOPE macros to
> markup the scopes and you will have the scope stack in the log with each
> log record you make from within these scopes.

Great, exactly what I've been looking for! I had skipped named scopes  
before as I had thought it's something esoteric. :)

However when I use BOOST_LOG_FUNCTION() I get a compiler error  
"'BOOST_LOG_NO_UNUSED_WARNINGS': identifier not found". Do I need to  
include another header file for BOOST_LOG_NO_UNUSED_WARNINGS to be defined?

Boris

> [...]