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Re: C/C++: list of macro definitions?

From: Neil Booth <neil at daikokuya dot co dot uk>
To: Eljay Love-Jensen <eljay at adobe dot com>
Cc: Jakub Jelinek <jakub at redhat dot com>,"Zagorodnev, Grigory" <Grigory_Zagorodnev at stl dot sarov dot ru>,"'gcc at gcc dot gnu dot org'" <gcc at gcc dot gnu dot org>,"'gcc-help at gcc dot gnu dot org'" <gcc-help at gcc dot gnu dot org>
Date: Thu, 7 Nov 2002 20:04:38 +0000
Subject: Re: C/C++: list of macro definitions?
References: <51524B6C689ED4118D4F0090273ACE320141B792@odyssey.stl.sarov.ru> <51524B6C689ED4118D4F0090273ACE320141B792@odyssey.stl.sarov.ru> <4.3.2.7.2.20021107093733.00b34950@iplan-mn.corp.adobe.com> <20021107200129.GB17959@daikokuya.co.uk>

Neil Booth wrote:-

> > Is there a way to dump out only the UTILIZED (ones that are expanded 
> > somewhere) macros?
> 
> No.  -Wunused-macros does a bit of the reverse; it tells you which
> ones were unused that were also defined in the main file.  3.3 only.
> 
> > And can it display where (file & line) the expansion occurs?
> 
> No.

If you're wanting to catch all uses of an identifier that you don't
want to be used (I'm guessing what you really are trying to do here),
#pragma GCC poison ident_a ident_b ident_c
might do what you want.

Neil.

References:
- C/C++: list of macro definitions?
  - From: Zagorodnev, Grigory
- Re: C/C++: list of macro definitions?
  - From: Eljay Love-Jensen
- Re: C/C++: list of macro definitions?
  - From: Neil Booth

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