Hi Bob,
* Bob Friesenhahn wrote on Sat, Jan 09, 2010 at 08:03:11PM CET:
> On Sat, 9 Jan 2010, Ralf Wildenhues wrote:
> >We can only find out better if we have small examples to look at.
> >Here is a proposed patch to try exception handling in libraries and
> >modules. Tested with g++ on GNU/Linux; it will certainly need fixes
> >for other systems, and Libtool may as well.
> >
> >I'd appreciate a look over it for any obvious glitches, before I commit
> >it.
>
> My main comment is that it would be useful if the thrown class is
> derived from std:exception (or one of its standard derived classes)
> in order to flush out any issues which may stem from possible
> partial template instantiation in libstdc++ (or pre-compiled
> headers) as well as in the test translation unit.
OK, sounds useful. Would that entail more than just something like
this incremental addition?
diff --git a/tests/exceptions.at b/tests/exceptions.at
index d551cb8..77a94c1 100644
--- a/tests/exceptions.at
+++ b/tests/exceptions.at
@@ -29,7 +29,8 @@ AT_KEYWORDS([libltdl])
CPPFLAGS="$LTDLINCL $CPPFLAGS"
AT_DATA([module.h],
-[[class modexc { };
+[[#include <exception>
+class modexc : public std::exception { };
extern "C" int modfoo () throw (modexc);
]])
@@ -57,7 +58,8 @@ int modfoo (void) throw (modexc)
]])
AT_DATA([lib.h],
-[[class libexc { };
+[[#include <exception>
+class libexc : public std::exception { };
int libfoo () throw (libexc);
]])
@@ -87,10 +89,11 @@ AT_DATA([main.cpp],
[[#include <ltdl.h>
#include <cstdlib>
#include <iostream>
+#include <exception>
#include "lib.h"
#include "module.h"
-class exc { };
+class exc : public std::exception { };
int foo (void) throw (exc)
{
