/*
* Copyright (c) 2008 - 2010
* Jonathan Schleifer <js@webkeks.org>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE included in
* the packaging of this file.
*/
#import "OFObject.h"
/// \cond internal
typedef struct __of_block_literal {
Class isa;
int flags;
int reserved;
void (*invoke)(void *, ...);
struct __of_block_descriptor {
unsigned long reserved;
unsigned long size;
void (*copy_helper)(void *dest, void *src);
void (*dispose_helper)(void *src);
const char *signature;
} *descriptor;
} of_block_literal_t;
typedef struct __of_block_byref {
Class isa;
struct __of_block_byref *forwarding;
int flags;
int size;
void (*byref_keep)(void *dest, void *src);
void (*byref_dispose)(void*);
} of_block_byref_t;
enum {
OF_BLOCK_HAS_COPY_DISPOSE = (1 << 25),
OF_BLOCK_HAS_CTOR = (1 << 26),
OF_BLOCK_IS_GLOBAL = (1 << 28),
OF_BLOCK_HAS_STRET = (1 << 29),
OF_BLOCK_HAS_SIGNATURE = (1 << 30),
};
#define OF_BLOCK_REFCOUNT_MASK \
~(OF_BLOCK_HAS_COPY_DISPOSE | OF_BLOCK_HAS_CTOR | OF_BLOCK_IS_GLOBAL | \
OF_BLOCK_HAS_STRET | OF_BLOCK_HAS_SIGNATURE)
enum {
OF_BLOCK_FIELD_IS_OBJECT = 3,
OF_BLOCK_FIELD_IS_BLOCK = 7,
OF_BLOCK_FIELD_IS_BYREF = 8,
OF_BLOCK_FIELD_IS_WEAK = 16,
OF_BLOCK_BYREF_CALLER = 128,
};
/// \endcond
extern void* _Block_copy(const void*);
extern void _Block_release(const void*);
#ifndef Block_copy
# define Block_copy(x) ((__typeof__(x))_Block_copy((const void*)(x)))
#endif
#ifndef Block_release
# define Block_release(x) _Block_release((const void*)(x))
#endif
/// \cond internal
@interface OFBlock: OFObject
@end
@interface OFStackBlock: OFBlock
@end
@interface OFGlobalBlock: OFBlock
@end
@interface OFMallocBlock: OFBlock
@end
/// \endcond