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crude KVO setter for structs

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@35324 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
rfm 2012-07-27 16:48:49 +00:00
parent 52dbdbcf0e
commit e357aab701
8 changed files with 156 additions and 45 deletions
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37
Source/GSFFIInvocation.m
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@ -145,10 +145,6 @@ gs_find_best_typed_sel (SEL sel)
static IMP gs_objc_msg_forward2 (id receiver, SEL sel)
{
NSMutableData *frame;
cifframe_t *cframe;
ffi_closure *cclosure;
void *executable;
NSMethodSignature *sig = nil;
GSCodeBuffer *memory;
const char *types;
@ -206,38 +202,9 @@ static IMP gs_objc_msg_forward2 (id receiver, SEL sel)
}
}
/* Construct the frame and closure. */
/* Note: We obtain cframe here, but it's passed to GSFFIInvocationCallback
where it becomes owned by the callback invocation, so we don't have to
worry about ownership */
frame = cifframe_from_signature(sig);
cframe = [frame mutableBytes];
/* Autorelease the closure through GSAutoreleasedBuffer */
memory = cifframe_closure(sig, GSFFIInvocationCallback);
memory = [GSCodeBuffer memoryWithSize: sizeof(ffi_closure)];
cclosure = [memory buffer];
executable = [memory executable];
if (cframe == NULL || cclosure == NULL)
{
[NSException raise: NSMallocException format: @"Allocating closure"];
}
#if HAVE_FFI_PREP_CLOSURE_LOC
if (ffi_prep_closure_loc(cclosure, &(cframe->cif),
GSFFIInvocationCallback, frame, executable) != FFI_OK)
{
[NSException raise: NSGenericException format: @"Preping closure"];
}
#else
executable = (void*)cclosure;
if (ffi_prep_closure(cclosure, &(cframe->cif),
GSFFIInvocationCallback, frame) != FFI_OK)
{
[NSException raise: NSGenericException format: @"Preping closure"];
}
#endif
[memory protect];
return (IMP)executable;
return (IMP)[memory executable];
}
static __attribute__ ((__unused__))