public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
* Re: potential preprocessor bug in latest g++?
       [not found] <200007271056.HAA19219@cacau.lsd.ic.unicamp.br>
@ 2000-07-27 14:26 ` Alexandre Oliva
  0 siblings, 0 replies; only message in thread
From: Alexandre Oliva @ 2000-07-27 14:26 UTC (permalink / raw)
  To: David Howells; +Cc: gcc-bugs

On Jul 27, 2000, David Howells <David.Howells@nexor.co.uk> wrote:

> gccquery.cpp:16:30: warning: pasting would not give a valid preprocessing token

The warning is appropriate.  `foo::IBar' is not a valid token.  `foo',
`::' and `iBar' are three separate tokens.  Pasting them together is
wrong.

> #define DECLARE_COM_TRAITS(NAMESPACE,CLASS) \
> struct com_if_traits<NAMESPACE ## CLASS> { \
>     static inline const IID& GetIID() { return NAMESPACE ## IID_##CLASS; } \
> }

> DECLARE_COM_TRAITS(foo::,IBar);

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2000-07-27 14:26 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
     [not found] <200007271056.HAA19219@cacau.lsd.ic.unicamp.br>
2000-07-27 14:26 ` potential preprocessor bug in latest g++? Alexandre Oliva

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).