Did you remember to update the LLVM tree too? Clang trunk requires
LLVM trunk. The exception stuff was committed with r71198, and I've
just sent a patch to the cfe-dev list which fixes @catch(RealClassName
*foo) as well.
The only thing missing now is @sychronized. For me, gcc emits code
which fails to link. Is anyone using @synchronized with GNUstep? If
so, where do you get your implementations of the two functions which
acquire and release a mutex identified by a given object?
David
On 8 May 2009, at 13:58, Pete French wrote:
I've just committed initial support for 'zero-cost' exception
handling
in clang. Currently this only works for @finally and for @catch'ing
id types (I plan on fixing that limitation soon). I'd appreciate it
if anyone who has code which uses exceptions could test this. The
support should currently be enough for anything using NS_DURING and
friends to compile with zero-cost exceptions, rather than setjmp/
longjmp.
Is this in the llvm/clang svn tree ? I've been trying to do an update
and get this compiled today (revision 71215), but it fails for me:
llvm[4]: Compiling ASTContext.cpp for Debug build
In file included from /usr/home/petefrench/llvm-clang/llvm/tools/
clang/lib/AST/../../include/clang/AST/DeclBase.h:18,
from /usr/home/petefrench/llvm-clang/llvm/tools/
clang/lib/AST/../../include/clang/AST/Decl.h:17,
from /usr/home/petefrench/llvm-clang/llvm/tools/
clang/lib/AST/../../include/clang/AST/ASTContext.h:21,
from ASTContext.cpp:14:
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h: In instantiation of
'llvm::PointerIntPair<clang::Type*, 3u, unsigned int,
llvm::PointerLikeTypeTraits<clang::Type*> >':
/usr/home/petefrench/llvm-clang/llvm/tools/clang/lib/AST/../../
include/clang/AST/Type.h:76: instantiated from here
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h:43: warning: left shift count >= width of type
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h:43: error: overflow in constant expression
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h: In member function 'IntType
llvm::PointerIntPair<PointerTy, IntBits, IntType,
PtrTraits>::getInt() const [with PointerTy = clang::Type*, unsigned
int IntBits = 3u, IntType = unsigned int, PtrTraits =
llvm::PointerLikeTypeTraits<clang::Type*>]':
/usr/home/petefrench/llvm-clang/llvm/tools/clang/lib/AST/../../
include/clang/AST/Type.h:96: instantiated from here
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h:72: warning: right shift count >= width of type
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h: In member function 'void
llvm::PointerIntPair<PointerTy, IntBits, IntType,
PtrTraits>::setInt(IntType) [with PointerTy = clang::Type*, unsigned
int IntBits = 3u, IntType = unsigned int, PtrTraits =
llvm::PointerLikeTypeTraits<clang::Type*>]':
/usr/home/petefrench/llvm-clang/llvm/tools/clang/lib/AST/../../
include/clang/AST/Type.h:97: instantiated from here
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h:88: warning: overflow in implicit constant conversion
/usr/home/petefrench/llvm-clang/llvm/include/llvm/ADT/
PointerIntPair.h:89: warning: left shift count >= width of type
gmake[4]: *** [/usr/home/petefrench/llvm-clang/llvm/tools/clang/lib/
AST/Debug/ASTContext.o] Error 1
-pete.
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