On Fri 12 Aug 2011 05:44, ri...@happyleptic.org writes:
> Between stable-2.0 and master a patch changed the C representation
> of the SCM type so that it is now a union.
As a result of this constant-expression issue, I have reverted those
patches. Now `master' uses the same SCM representation as
On Aug 14, 2011, at 22:04, Ken Raeburn wrote:
>>> * Shouldn't there be testing to catch this? (C89 mode, C99 mode,
>>> different C++ specs, enabling various compiler warnings -- for
>>> whatever compiler is in use -- and make them fatal, any interesting
>>> ways one might want to use libguile in a
On Aug 14, 2011, at 16:10, Andy Wingo wrote:
>> * We should expect some Guile applications to be in C++. What
>> versions of the C++ spec should Guile support?
>
> Dunno. What do other languages have to do with Guile's C interface?
> Specifically what does C++ have to do with this? (Serious que
Hi Ken,
On Sun 14 Aug 2011 00:00, Ken Raeburn writes:
> * We should expect some Guile applications to be in C++. What
> versions of the C++ spec should Guile support?
Dunno. What do other languages have to do with Guile's C interface?
Specifically what does C++ have to do with this? (Serio
On Aug 13, 2011, at 08:23, Andy Wingo wrote:
> I only have a draft copy of C99, from 7 September 2007, but it does
> permit constant expressions to appear outside function bodies. How
> could that happen except for in initializers? I do see the language in
> the GCC docs though; it's confusing.
On Sat 13 Aug 2011 07:26, Ken Raeburn writes:
> That syntax -- the parenthesized type followed by a list of initializers
> in braces -- is called a "compound literal" (technically not a cast
> expression) and was added in C99. The value of a compound literal is an
> anonymous object with a value
-[ Sat, Aug 13, 2011 at 01:26:03AM -0400, Ken Raeburn ]
> ("Is for some reason invalid" is not very descriptive; please include
> specific compiler messages.)
Sorry ; the specific error message was, you guesssed it right:
"initializer element is not constant".
> That syntax -- the parenthesi
On Aug 12, 2011, at 08:44, ri...@happyleptic.org wrote:
> Between stable-2.0 and master a patch changed the C representation
> of the SCM type so that it is now a union.
>
> This code :
>
> static SCM foo = SCM_UNSPECIFIED;
>
> now expands to something similar to :
>
> static SCM foo = (SCM) {
Between stable-2.0 and master a patch changed the C representation
of the SCM type so that it is now a union.
This code :
static SCM foo = SCM_UNSPECIFIED;
now expands to something similar to :
static SCM foo = (SCM) { ... };
This form (casting a struct or union initializer while initializing
