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94 lines
2.5 KiB
Objective-C
94 lines
2.5 KiB
Objective-C
/* Interface for NSInvocation concrete classes for GNUStep
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Copyright (C) 1998 Free Software Foundation, Inc.
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Written: Adam Fedor <fedor@gnu.org>
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Date: Nov 2000
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 31 Milk Street #960789 Boston, MA 02196 USA.
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*/
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#ifndef __GSInvocation_h_GNUSTEP_BASE_INCLUDE
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#define __GSInvocation_h_GNUSTEP_BASE_INCLUDE
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#import "Foundation/NSInvocation.h"
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@class NSMutableData;
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@class NSPointerArray;
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typedef struct {
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int offset;
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unsigned size;
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const char *type;
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const char *qtype;
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unsigned align;
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unsigned qual;
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BOOL isReg;
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} NSArgumentInfo;
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@interface GSFFIInvocation : NSInvocation
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{
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@public
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uint8_t _retbuf[32]; // Return values of up to 32 bytes here.
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NSMutableData *_frame; // Frame information for invoking.
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NSPointerArray *_extra; // Extra FFI data to be released.
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}
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@end
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@interface GSFFIInvocation (FFI)
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- (void) setupFrameFFI: (NSMethodSignature*)sig;
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@end
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@interface GSFFCallInvocation : NSInvocation
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{
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}
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@end
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@interface GSDummyInvocation : NSInvocation
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{
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}
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@end
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@interface NSInvocation (DistantCoding)
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- (BOOL) encodeWithDistantCoder: (NSCoder*)coder passPointers: (BOOL)passp;
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@end
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@interface NSMethodSignature (GNUstep)
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- (const char*) methodType;
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- (NSArgumentInfo*) methodInfo;
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@end
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extern void
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GSFFCallInvokeWithTargetAndImp(NSInvocation *inv, id anObject, IMP imp);
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extern void
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GSFFIInvokeWithTargetAndImp(NSInvocation *inv, id anObject, IMP imp);
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#define CLEAR_RETURN_VALUE_IF_OBJECT \
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do {\
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if (_validReturn && *_inf[0].type == _C_ID) \
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{ \
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RELEASE (*(id*) _retval); \
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*(id*) _retval = nil; \
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_validReturn = NO; \
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}\
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} while (0)
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#define RETAIN_RETURN_VALUE IF_NO_ARC(do { if (*_inf[0].type == _C_ID) RETAIN (*(id*) _retval);} while (0))
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#define _inf ((NSArgumentInfo*)_info)
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#endif
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