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Current File : //usr/include/GNUstep/Foundation/NSObjCRuntime.h
/** Interface to ObjC runtime for GNUStep
Copyright (C) 1995, 1997, 2000 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Date: 1995
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
AutogsdocSource: NSObjCRuntime.m
AutogsdocSource: NSLog.m
*/
#ifndef __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE
#define __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE
#ifdef __cplusplus
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#endif
#import <GNUstepBase/GSVersionMacros.h>
#import <GNUstepBase/GSConfig.h>
#import <GNUstepBase/GNUstep.h>
#import <GNUstepBase/GSBlocks.h>
#include <stdarg.h>
#include <limits.h>
#include <float.h>
/* PA HP-UX kludge. */
#if defined(__hppa__) && defined(__hpux__) && !defined(PRIuPTR)
#define PRIuPTR "lu"
#endif
/* IRIX kludge. */
#if defined(__sgi)
/* IRIX 6.5 <inttypes.h> provides all definitions, but only for C99
compilations. */
#define PRId8 "hhd"
#define PRIu8 "hhu"
#if (_MIPS_SZLONG == 32)
#define PRId64 "lld"
#define PRIu64 "llu"
#endif
/* This doesn't match <inttypes.h>, which always has "lld" here, but the
arguments are uint64_t, int64_t, which are unsigned long, long for
64-bit in <sgidefs.h>. */
#if (_MIPS_SZLONG == 64)
#define PRId64 "ld"
#define PRIu64 "lu"
#endif
/* This doesn't match <inttypes.h>, which has "u" here, but the arguments
are uintptr_t, which is always unsigned long. */
#define PRIuPTR "lu"
#endif
/* Solaris < 10 kludge. */
#if defined(__sun__) && defined(__svr4__) && !defined(PRIuPTR)
#if defined(__arch64__) || defined (__x86_64__)
#define PRIuPTR "lu"
#define PRIdPTR "ld"
#define PRIxPTR "lx"
#else
#define PRIuPTR "u"
#define PRIdPTR "d"
#define PRIxPTR "x"
#endif
#endif
/* These typedefs must be in place before GSObjCRuntime.h is imported.
*/
#if !defined(NSINTEGER_DEFINED)
typedef intptr_t NSInteger;
typedef uintptr_t NSUInteger;
# define NSIntegerMax INTPTR_MAX
# define NSIntegerMin INTPTR_MIN
# define NSUIntegerMax UINTPTR_MAX
#endif /* !defined(NSINTEGER_DEFINED) */
#if !defined(CGFLOAT_DEFINED)
#if GS_SIZEOF_VOIDP == 8
#define CGFLOAT_IS_DBL 1
typedef double CGFloat;
#define CGFLOAT_MIN DBL_MIN
#define CGFLOAT_MAX DBL_MAX
#else
typedef float CGFloat;
#define CGFLOAT_MIN FLT_MIN
#define CGFLOAT_MAX FLT_MAX
#endif
#endif /* !defined(CGFLOAT_DEFINED) */
#define NSINTEGER_DEFINED 1
#define CGFLOAT_DEFINED 1
#ifndef NS_AUTOMATED_REFCOUNT_UNAVAILABLE
# if __has_feature(objc_arc)
# define NS_AUTOMATED_REFCOUNT_UNAVAILABLE \
__attribute__((unavailable("Not available with automatic reference counting")))
# else
# define NS_AUTOMATED_REFCOUNT_UNAVAILABLE
# endif
#endif
#if defined(__cplusplus)
extern "C" {
#endif
/*
* We can have strongly typed enums in C++11 mode or when the objc_fixed_enum
* feature is availble.
*/
#if (__has_feature(objc_fixed_enum) || (__cplusplus && (__cplusplus > 199711L) && __has_extension(cxx_strong_enums)))
# define _GS_NAMED_ENUM(ty, name) enum name : ty name; enum name : ty
# define _GS_ANON_ENUM(ty) enum : ty
# if __cplusplus
# define NS_OPTIONS(ty,name) ty name; enum : ty
# else
# define NS_OPTIONS(ty,name) NS_ENUM(ty,name)
# endif
#else // this provides less information, but works with older compilers
# define _GS_NAMED_ENUM(ty, name) ty name; enum
# define _GS_ANON_ENUM(ty) enum
# define NS_OPTIONS(ty, name) NS_ENUM(ty, name)
#endif
// A bit of fairy dust to expand NS_ENUM to the correct variant
#define _GS_GET_ENUM_MACRO(_first,_second,NAME,...) NAME
/* The trick here is that placing the variadic args first will push the name
* that the _GS_GET_ENUM_MACRO expands to into the correct position.
*/
#define NS_ENUM(...) _GS_GET_ENUM_MACRO(__VA_ARGS__,_GS_NAMED_ENUM,_GS_ANON_ENUM)(__VA_ARGS__)
/*
* If the compiler supports nullability qualifiers, we define the macros for
* non-null sections.
*/
#if __has_feature(nullability)
# define NS_ASSUME_NONNULL_BEGIN _Pragma("clang assume_nonnull begin")
# define NS_ASSUME_NONNULL_END _Pragma("clang assume_nonnull end")
#else
# define NS_ASSUME_NONNULL_BEGIN
# define NS_ASSUME_NONNULL_END
#endif
/*
* Backwards compatibility macro for instance type.
*/
#if !__has_feature(objc_instancetype)
# define instancetype id
#endif
/*
* Backwards compatibility macros for Objective-C lightweight generics.
*/
#if __has_feature(objc_generics)
# define GS_GENERIC_CLASS(clz, ...) clz<__VA_ARGS__>
# define GS_GENERIC_TYPE_F(typeRef, fallback) typeRef
#else
# define GS_GENERIC_CLASS(clz, ...) clz
# define GS_GENERIC_TYPE_F(typeRef, fallback) fallback
#endif
#define GS_GENERIC_TYPE(typeRef) GS_GENERIC_TYPE_F(typeRef, id)
/**
* Backwards compatibility macro for the objc_designated_initializer attribute
*/
#if __has_attribute(objc_designated_initializer)
# define NS_DESIGNATED_INITIALIZER __attribute__((objc_designated_initializer))
#else
# define NS_DESIGNATED_INITIALIZER
#endif
/** Bitfield used to specify options to control enumeration over collections.
*/
typedef NS_OPTIONS(NSUInteger, NSEnumerationOptions)
{
NSEnumerationConcurrent = (1UL << 0), /** Specifies that the enumeration
* is concurrency-safe. Note that this does not mean that it will be
* carried out in a concurrent manner, only that it can be.
*/
NSEnumerationReverse = (1UL << 1) /** Specifies that the enumeration should
* happen in the opposite of the natural order of the collection.
*/
};
/** Bitfield used to specify options to control the sorting of collections.
*/
typedef NS_OPTIONS(NSUInteger, NSSortOptions)
{
NSSortConcurrent = (1UL << 0), /** Specifies that the sort
* is concurrency-safe. Note that this does not mean that it will be
* carried out in a concurrent manner, only that it can be.
*/
NSSortStable = (1UL << 4), /** Specifies that the sort should keep
* equal objects in the same order in the collection.
*/
};
#import <GNUstepBase/GSObjCRuntime.h>
#if OS_API_VERSION(MAC_OS_X_VERSION_10_5,GS_API_LATEST)
GS_EXPORT NSString *NSStringFromProtocol(Protocol *aProtocol);
GS_EXPORT Protocol *NSProtocolFromString(NSString *aProtocolName);
#endif
GS_EXPORT SEL NSSelectorFromString(NSString *aSelectorName);
GS_EXPORT NSString *NSStringFromSelector(SEL aSelector);
GS_EXPORT SEL NSSelectorFromString(NSString *aSelectorName);
GS_EXPORT Class NSClassFromString(NSString *aClassName);
GS_EXPORT NSString *NSStringFromClass(Class aClass);
GS_EXPORT const char *NSGetSizeAndAlignment(const char *typePtr,
NSUInteger *sizep, NSUInteger *alignp);
#if OS_API_VERSION(GS_API_NONE, GS_API_NONE)
/* Logging */
/**
* OpenStep spec states that log messages go to stderr, but just in case
* someone wants them to go somewhere else, they can implement a function
* like this and assign a pointer to it to _NSLog_printf_handler.
*/
typedef void NSLog_printf_handler (NSString* message);
GS_EXPORT NSLog_printf_handler *_NSLog_printf_handler;
GS_EXPORT int _NSLogDescriptor;
@class NSRecursiveLock;
GS_EXPORT NSRecursiveLock *GSLogLock(void);
#endif
GS_EXPORT void NSLog(NSString *format, ...) NS_FORMAT_FUNCTION(1,2);
GS_EXPORT void NSLogv(NSString *format, va_list args) NS_FORMAT_FUNCTION(1,0);
#ifndef YES
#define YES 1
#endif
#ifndef NO
#define NO 0
#endif
#ifndef nil
#define nil 0
#endif
/**
* Contains values <code>NSOrderedSame</code>, <code>NSOrderedAscending</code>
* <code>NSOrderedDescending</code>, for left hand side equals, less than, or
* greater than right hand side.
*/
typedef NS_ENUM(NSInteger, NSComparisonResult)
{
NSOrderedAscending = (NSInteger)-1, NSOrderedSame, NSOrderedDescending
};
enum {NSNotFound = NSIntegerMax};
DEFINE_BLOCK_TYPE(NSComparator, NSComparisonResult, id, id);
/**
* Declare the foundation export macro as an alias to GS_EXPORT
*/
#define FOUNDATION_EXPORT GS_EXPORT
#if defined(__cplusplus)
}
#endif
/**
* Declare Apple availability macros for compatibility purposes as no-ops.
*/
#define NS_CLASS_AVAILABLE(...)
#define NS_AVAILABLE(...)
#define NS_AVAILABLE_MAC(...)
#define NS_DEPRECATED(...)
#define NS_DEPRECATED_MAC(...)
#define NS_ENUM_AVAILABLE(...)
#define NS_ENUM_AVAILABLE_MAC(...)
#define NS_ENUM_DEPRECATED(...)
#define NS_ENUM_DEPRECATED_MAC(...)
#define NS_CLASS_AVAILABLE(...)
#define NS_CLASS_DEPRECATED(...)
#define NS_CLASS_AVAILABLE_MAC(...)
#define NS_CLASS_DEPRECATED_MAC(...)
#define NS_UNAVAILABLE
/* Define root class NS macro */
#ifndef NS_ROOT_CLASS
#if __has_attribute(objc_root_class)
#define NS_ROOT_CLASS __attribute__((objc_root_class))
#else
#define NS_ROOT_CLASS
#endif
#endif
#endif /* __NSObjCRuntime_h_GNUSTEP_BASE_INCLUDE */
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