os_object_base.h source code [clang_source_code/test/Analysis/os_object

1	#ifndef _OS_BASE_H
2	#define _OS_BASE_H
3
4	#define OS_CONSUME __attribute__((os_consumed))
5	#define OS_RETURNS_RETAINED __attribute__((os_returns_retained))
6	#define OS_RETURNS_RETAINED_ON_ZERO __attribute__((os_returns_retained_on_zero))
7	#define OS_RETURNS_RETAINED_ON_NONZERO __attribute__((os_returns_retained_on_non_zero))
8	#define OS_RETURNS_NOT_RETAINED __attribute__((os_returns_not_retained))
9	#define OS_CONSUMES_THIS __attribute__((os_consumes_this))
10
11	#define OSTypeID(type) (type::metaClass)
12
13	#define OSDynamicCast(type, inst) \
14	((type *) OSMetaClassBase::safeMetaCast((inst), OSTypeID(type)))
15
16	#define OSTypeAlloc(type) ((type *) ((type::metaClass)->alloc()))
17
18	using size_t = decltype(sizeof(int));
19
20	struct OSMetaClass;
21
22	struct OSMetaClassBase {
23	static OSMetaClassBase safeMetaCast(const OSMetaClassBase inst,
24	const OSMetaClass *meta);
25
26	OSMetaClassBase metaCast(const char toMeta);
27
28	virtual void retain() const;
29	virtual void release() const;
30
31	virtual void taggedRetain(const void * tag = nullptr) const;
32	virtual void taggedRelease(const void * tag = nullptr) const;
33
34	virtual void free();
35	virtual ~OSMetaClassBase(){};
36	};
37
38	struct OSObject : public OSMetaClassBase {
39	virtual ~OSObject(){}
40
41	unsigned int foo() { return 42; }
42
43	virtual OS_RETURNS_NOT_RETAINED OSObject *identity();
44
45	static OSObject *generateObject(int);
46
47	static OSObject *getObject();
48	static OSObject *GetObject();
49
50	static void * operator new(size_t size);
51
52	static const OSMetaClass * const metaClass;
53	};
54
55	struct OSMetaClass : public OSMetaClassBase {
56	virtual OSObject * alloc() const;
57	virtual ~OSMetaClass(){}
58	};
59
60	#endif /* _OS_BASE_H */
61

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