/* * 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" typedef struct of_block_literal_t { Class isa; int flags; int reserved; void (*invoke)(void *, ...); struct of_block_descriptor_t { 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_t of_block_byref_t; struct of_block_byref_t { Class isa; of_block_byref_t *forwarding; int flags; int size; void (*byref_keep)(void *dest, void *src); void (*byref_dispose)(void*); }; 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, }; 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 @interface OFBlock: OFObject @end @interface OFStackBlock: OFBlock @end @interface OFGlobalBlock: OFBlock @end @interface OFMallocBlock: OFBlock @end