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/*
Copyright (C) 1996
Ovidiu Predescu <ovidiu@bx.logicnet.ro>
Mircea Oancea <mircea@jupiter.elcom.pub.ro>
Author: Ovidiu Predescu <ovidiu@bx.logicnet.ro>
This file is part of the FoundationExtensions library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __NSInvocation_h__
#define __NSInvocation_h__
#include <Foundation/NSMethodSignature.h>
@interface NSInvocation : NSObject
{
SEL selector;
id target;
NSMethodSignature* signature;
arglist_t frame;
void* returnValue;
BOOL argumentsRetained;
BOOL ownsFrame;
BOOL ownsReturnValue;
retval_t returnFrame;
}
/* Creating Invocations */
+ (NSInvocation*)invocationWithMethodSignature:(NSMethodSignature*)sig;
/* Managing Invocation Arguments */
- (BOOL)argumentsRetained;
- (void)getArgument:(void*)argumentLocation
atIndex:(int)index;
- (void)getReturnValue:(void*)retLoc;
- (NSMethodSignature*)methodSignature;
- (void)retainArguments;
- (SEL)selector;
- (void)setArgument:(void*)argumentLocation
atIndex:(int)index;
- (void)setReturnValue:(void*)retLoc;
- (void)setSelector:(SEL)selector;
- (void)setTarget:(id)target;
- (id)target;
/* Dispatching an Invocation */
- (void)invoke;
- (void)invokeWithTarget:(id)target;
@end
@interface NSInvocation (Extensions)
- (void)setArgumentFrame:(void*)frame;
- (retval_t)returnFrame;
- (void*)returnValue;
@end /* NSInvocation (Extensions) */
#endif /* __NSInvocation_h__ */
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