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Extensions for invoking super implementation of method.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@9952 72102866-910b-0410-8b05-ffd578937521
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CaS 2001-05-15 17:11:10 +00:00
parent 6f53907c90
commit 8a89977c96
4 changed files with 64 additions and 18 deletions
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5
ChangeLog
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@ -3,6 +3,11 @@
* Source/NSString.m: ([stringByDeletingPathExtension]) rewrite to
conform to MacOS-X documentation.
([pathComponents]) ditto.
* Headers/Foundation/NSInvocation.h: Added extra methods for
setting an invocation to invoke super implementation of method.
* Source/NSInvocation.m: Added extra methods for
setting an invocation to invoke super implementation of method.
* Source/GSFFCallInvocation.m: support invoke of super implementation.
2001-05-14 Adam Fedor <fedor@gnu.org>

3
Headers/gnustep/base/NSInvocation.h
View file

@ -39,6 +39,7 @@
NSArgumentInfo *_info;
BOOL _argsRetained;
BOOL _validReturn;
BOOL _sendToSuper;
}
/*
@ -86,6 +87,8 @@
- (id) initWithSelector: (SEL)aSelector;
- (id) initWithTarget: target selector: (SEL)aSelector, ...;
- (void*) returnFrame: (arglist_t)argFrame;
- (BOOL) sendsToSuper;
- (void) setSendsToSuper: (BOOL)flag;
@end
#endif

14
Source/GSFFCallInvocation.m
View file

@ -323,6 +323,19 @@ GSFFCallInvokeWithTargetAndImp(NSInvocation *_inv, id anObject, IMP imp)
callframe_set_arg((callframe_t *)_cframe, 0, &_target, _info[1].size);
callframe_set_arg((callframe_t *)_cframe, 1, &_selector, _info[2].size);
if (_sendToSuper == YES)
{
Super s;
s.self = _target;
if (GSObjCIsInstance(_target))
s.class = class_get_super_class(GSObjCClass(_target));
else
s.class = class_get_super_class((Class)_target);
imp = objc_msg_lookup_super(&s, _selector);
}
else
{
imp = method_get_imp(object_is_instance(_target) ?
class_get_instance_method(
((struct objc_class*)_target)->class_pointer, _selector)
@ -333,6 +346,7 @@ GSFFCallInvokeWithTargetAndImp(NSInvocation *_inv, id anObject, IMP imp)
*/
if (imp == 0)
imp = objc_msg_lookup(_target, _selector);
}
[self setTarget: old_target];
RELEASE(old_target);

26
Source/NSInvocation.m
View file

@ -437,6 +437,19 @@ _arg_addr(NSInvocation *inv, int index)
_set_arg(self, 0, &_target);
_set_arg(self, 1, &_selector);
if (_sendToSuper == YES)
{
Super s;
s.self = _target;
if (GSObjCIsInstance(_target))
s.class = class_get_super_class(GSObjCClass(_target));
else
s.class = class_get_super_class((Class)_target);
imp = objc_msg_lookup_super(&s, _selector);
}
else
{
imp = method_get_imp(object_is_instance(_target) ?
class_get_instance_method(
((struct objc_class*)_target)->class_pointer, _selector)
@ -447,7 +460,7 @@ _arg_addr(NSInvocation *inv, int index)
*/
if (imp == 0)
imp = objc_msg_lookup(_target, _selector);
}
[self setTarget: old_target];
RELEASE(old_target);
@ -717,6 +730,17 @@ _arg_addr(NSInvocation *inv, int index)
[self subclassResponsibility: _cmd];
return NULL;
}
- (BOOL) sendsToSuper
{
return _sendToSuper;
}
- (void) setSendsToSuper: (BOOL)flag
{
_sendToSuper = flag;
}
@end
@implementation NSInvocation (BackwardCompatibility)