#ifdef __APPLE__
#include <Availability.h>
-#endif
+#include <os/availability.h>
+#include <TargetConditionals.h>
#include <os/base.h>
+#elif defined(__linux__)
+#include <os/linux_base.h>
+#endif
/*!
* @header
*/
#ifndef OS_OBJECT_HAVE_OBJC_SUPPORT
-#if defined(__OBJC__) && defined(__OBJC2__) && !defined(__OBJC_GC__) && ( \
- __MAC_OS_X_VERSION_MIN_REQUIRED >= __MAC_10_8 || \
- __IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_6_0)
-#define OS_OBJECT_HAVE_OBJC_SUPPORT 1
+#if !defined(__OBJC__) || defined(__OBJC_GC__)
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 0
+#elif !defined(TARGET_OS_MAC) || !TARGET_OS_MAC
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 0
+#elif TARGET_OS_IOS && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_6_0
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 0
+#elif TARGET_OS_MAC && !TARGET_OS_IPHONE
+# if __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_8
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 0
+# elif defined(__i386__) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_12
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 0
+# else
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 1
+# endif
#else
-#define OS_OBJECT_HAVE_OBJC_SUPPORT 0
-#endif
+# define OS_OBJECT_HAVE_OBJC_SUPPORT 1
#endif
+#endif // OS_OBJECT_HAVE_OBJC_SUPPORT
#if OS_OBJECT_HAVE_OBJC_SUPPORT
+#if defined(__swift__) && __swift__ && !OS_OBJECT_USE_OBJC
+#define OS_OBJECT_USE_OBJC 1
+#endif
#ifndef OS_OBJECT_USE_OBJC
#define OS_OBJECT_USE_OBJC 1
#endif
#define OS_OBJECT_USE_OBJC 0
#endif
+#ifndef OS_OBJECT_SWIFT3
+#if defined(SWIFT_SDK_OVERLAY_DISPATCH_EPOCH) && \
+ SWIFT_SDK_OVERLAY_DISPATCH_EPOCH >= 2
+#define OS_OBJECT_SWIFT3 1
+#else
+#define OS_OBJECT_SWIFT3 0
+#endif // SWIFT_SDK_OVERLAY_DISPATCH_EPOCH >= 2
+#endif // OS_OBJECT_SWIFT3
+
#if OS_OBJECT_USE_OBJC
#import <objc/NSObject.h>
+#if __has_attribute(objc_independent_class)
+#define OS_OBJC_INDEPENDENT_CLASS __attribute__((objc_independent_class))
+#endif // __has_attribute(objc_independent_class)
+#ifndef OS_OBJC_INDEPENDENT_CLASS
+#define OS_OBJC_INDEPENDENT_CLASS
+#endif
#define OS_OBJECT_CLASS(name) OS_##name
-#define OS_OBJECT_DECL_IMPL(name, ...) \
+#define OS_OBJECT_DECL_PROTOCOL(name, ...) \
@protocol OS_OBJECT_CLASS(name) __VA_ARGS__ \
- @end \
- typedef NSObject<OS_OBJECT_CLASS(name)> *name##_t
+ @end
+#define OS_OBJECT_CLASS_IMPLEMENTS_PROTOCOL_IMPL(name, proto) \
+ @interface name () <proto> \
+ @end
+#define OS_OBJECT_CLASS_IMPLEMENTS_PROTOCOL(name, proto) \
+ OS_OBJECT_CLASS_IMPLEMENTS_PROTOCOL_IMPL( \
+ OS_OBJECT_CLASS(name), OS_OBJECT_CLASS(proto))
+#define OS_OBJECT_DECL_IMPL(name, ...) \
+ OS_OBJECT_DECL_PROTOCOL(name, __VA_ARGS__) \
+ typedef NSObject<OS_OBJECT_CLASS(name)> \
+ * OS_OBJC_INDEPENDENT_CLASS name##_t
+#define OS_OBJECT_DECL_BASE(name, ...) \
+ @interface OS_OBJECT_CLASS(name) : __VA_ARGS__ \
+ - (instancetype)init OS_SWIFT_UNAVAILABLE("Unavailable in Swift"); \
+ @end
+#define OS_OBJECT_DECL_IMPL_CLASS(name, ...) \
+ OS_OBJECT_DECL_BASE(name, ## __VA_ARGS__) \
+ typedef OS_OBJECT_CLASS(name) \
+ * OS_OBJC_INDEPENDENT_CLASS name##_t
#define OS_OBJECT_DECL(name, ...) \
- OS_OBJECT_DECL_IMPL(name, <NSObject> __VA_ARGS__)
+ OS_OBJECT_DECL_IMPL(name, <NSObject>)
#define OS_OBJECT_DECL_SUBCLASS(name, super) \
OS_OBJECT_DECL_IMPL(name, <OS_OBJECT_CLASS(super)>)
-#if defined(__has_attribute)
#if __has_attribute(ns_returns_retained)
#define OS_OBJECT_RETURNS_RETAINED __attribute__((__ns_returns_retained__))
#else
#else
#define OS_OBJECT_CONSUMED
#endif
-#else
-#define OS_OBJECT_RETURNS_RETAINED
-#define OS_OBJECT_CONSUMED
-#endif
-#if defined(__has_feature)
#if __has_feature(objc_arc)
#define OS_OBJECT_BRIDGE __bridge
#define OS_WARN_RESULT_NEEDS_RELEASE
#define OS_OBJECT_BRIDGE
#define OS_WARN_RESULT_NEEDS_RELEASE OS_WARN_RESULT
#endif
+#if __has_attribute(objc_runtime_visible) && \
+ ((defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && \
+ __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_12) || \
+ (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && \
+ !defined(__TV_OS_VERSION_MIN_REQUIRED) && \
+ !defined(__WATCH_OS_VERSION_MIN_REQUIRED) && \
+ __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_10_0) || \
+ (defined(__TV_OS_VERSION_MIN_REQUIRED) && \
+ __TV_OS_VERSION_MIN_REQUIRED < __TVOS_10_0) || \
+ (defined(__WATCH_OS_VERSION_MIN_REQUIRED) && \
+ __WATCH_OS_VERSION_MIN_REQUIRED < __WATCHOS_3_0))
+/*
+ * To provide backward deployment of ObjC objects in Swift on pre-10.12
+ * SDKs, OS_object classes can be marked as OS_OBJECT_OBJC_RUNTIME_VISIBLE.
+ * When compiling with a deployment target earlier than OS X 10.12 (iOS 10.0,
+ * tvOS 10.0, watchOS 3.0) the Swift compiler will only refer to this type at
+ * runtime (using the ObjC runtime).
+ */
+#define OS_OBJECT_OBJC_RUNTIME_VISIBLE __attribute__((objc_runtime_visible))
#else
-#define OS_OBJECT_BRIDGE
-#define OS_WARN_RESULT_NEEDS_RELEASE OS_WARN_RESULT
+#define OS_OBJECT_OBJC_RUNTIME_VISIBLE
#endif
#ifndef OS_OBJECT_USE_OBJC_RETAIN_RELEASE
#if defined(__clang_analyzer__)
#define OS_OBJECT_USE_OBJC_RETAIN_RELEASE 1
-#elif defined(__has_feature)
-#if __has_feature(objc_arc)
+#elif __has_feature(objc_arc) && !OS_OBJECT_SWIFT3
#define OS_OBJECT_USE_OBJC_RETAIN_RELEASE 1
#else
#define OS_OBJECT_USE_OBJC_RETAIN_RELEASE 0
#endif
-#else
-#define OS_OBJECT_USE_OBJC_RETAIN_RELEASE 0
-#endif
#endif
+#if OS_OBJECT_SWIFT3
+#define OS_OBJECT_DECL_SWIFT(name) \
+ OS_EXPORT OS_OBJECT_OBJC_RUNTIME_VISIBLE \
+ OS_OBJECT_DECL_IMPL_CLASS(name, NSObject)
+#define OS_OBJECT_DECL_SUBCLASS_SWIFT(name, super) \
+ OS_EXPORT OS_OBJECT_OBJC_RUNTIME_VISIBLE \
+ OS_OBJECT_DECL_IMPL_CLASS(name, OS_OBJECT_CLASS(super))
+OS_EXPORT OS_OBJECT_OBJC_RUNTIME_VISIBLE
+OS_OBJECT_DECL_BASE(object, NSObject);
+#endif // OS_OBJECT_SWIFT3
#else
/*! @parseOnly */
#define OS_OBJECT_RETURNS_RETAINED
#define OS_OBJECT_BRIDGE
/*! @parseOnly */
#define OS_WARN_RESULT_NEEDS_RELEASE OS_WARN_RESULT
+/*! @parseOnly */
+#define OS_OBJECT_OBJC_RUNTIME_VISIBLE
#define OS_OBJECT_USE_OBJC_RETAIN_RELEASE 0
#endif
+#if OS_OBJECT_SWIFT3
+#define OS_OBJECT_DECL_CLASS(name) \
+ OS_OBJECT_DECL_SUBCLASS_SWIFT(name, object)
+#elif OS_OBJECT_USE_OBJC
+#define OS_OBJECT_DECL_CLASS(name) \
+ OS_OBJECT_DECL(name)
+#else
+#define OS_OBJECT_DECL_CLASS(name) \
+ typedef struct name##_s *name##_t
+#endif
+
#define OS_OBJECT_GLOBAL_OBJECT(type, object) ((OS_OBJECT_BRIDGE type)&(object))
__BEGIN_DECLS
* @result
* The retained object.
*/
-__OSX_AVAILABLE_STARTING(__MAC_10_10,__IPHONE_8_0)
-OS_EXPORT
+API_AVAILABLE(macos(10.10), ios(8.0))
+OS_EXPORT OS_SWIFT_UNAVAILABLE("Can't be used with ARC")
void*
os_retain(void *object);
#if OS_OBJECT_USE_OBJC
* @param object
* The object to release.
*/
-__OSX_AVAILABLE_STARTING(__MAC_10_10,__IPHONE_8_0)
+API_AVAILABLE(macos(10.10), ios(8.0))
OS_EXPORT
-void
+void OS_SWIFT_UNAVAILABLE("Can't be used with ARC")
os_release(void *object);
#if OS_OBJECT_USE_OBJC
#undef os_release
projects / apple / libdispatch.git / blobdiff