/*
******************************************************************************
*
-* Copyright (C) 1997-2013, International Business Machines
+* Copyright (C) 1997-2016, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
#define U_PF_QNX 3700
/** Linux is a Unix-like operating system. @internal */
#define U_PF_LINUX 4000
+/**
+ * Native Client is pretty close to Linux.
+ * See https://developer.chrome.com/native-client and
+ * http://www.chromium.org/nativeclient
+ * @internal
+ */
+#define U_PF_BROWSER_NATIVE_CLIENT 4020
/** Android is based on Linux. @internal */
#define U_PF_ANDROID 4050
-/** "Classic" Mac OS (1984-2001) @internal */
-#define U_PF_CLASSIC_MACOS 8000
+/* Maximum value for Linux-based platform is 4499 */
/** z/OS is the successor to OS/390 which was the successor to MVS. @internal */
#define U_PF_OS390 9000
/** "IBM i" is the current name of what used to be i5/OS and earlier OS/400. @internal */
# define U_PLATFORM U_PF_ANDROID
/* Android wchar_t support depends on the API level. */
# include <android/api-level.h>
+#elif defined(__native_client__)
+# define U_PLATFORM U_PF_BROWSER_NATIVE_CLIENT
#elif defined(linux) || defined(__linux__) || defined(__linux)
# define U_PLATFORM U_PF_LINUX
#elif defined(__APPLE__) && defined(__MACH__)
# define U_PLATFORM U_PF_DARWIN
# endif
#elif defined(BSD) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__MirBSD__)
+# if defined(__FreeBSD__)
+# include <sys/endian.h>
+# endif
# define U_PLATFORM U_PF_BSD
#elif defined(sun) || defined(__sun)
/* Check defined(__SVR4) || defined(__svr4__) to distinguish Solaris from SunOS? */
# define U_PLATFORM U_PF_HPUX
#elif defined(sgi) || defined(__sgi)
# define U_PLATFORM U_PF_IRIX
-#elif defined(macintosh)
-# define U_PLATFORM U_PF_CLASSIC_MACOS
#elif defined(__QNX__) || defined(__QNXNTO__)
# define U_PLATFORM U_PF_QNX
#elif defined(__TOS_MVS__)
*/
#ifdef U_PLATFORM_IMPLEMENTS_POSIX
/* Use the predefined value. */
-#elif U_PLATFORM_USES_ONLY_WIN32_API || U_PLATFORM == U_PF_CLASSIC_MACOS
+#elif U_PLATFORM_USES_ONLY_WIN32_API
# define U_PLATFORM_IMPLEMENTS_POSIX 0
#else
# define U_PLATFORM_IMPLEMENTS_POSIX 1
*/
#ifdef U_PLATFORM_IS_LINUX_BASED
/* Use the predefined value. */
-#elif U_PF_LINUX <= U_PLATFORM && U_PLATFORM <= U_PF_ANDROID
+#elif U_PF_LINUX <= U_PLATFORM && U_PLATFORM <= 4499
# define U_PLATFORM_IS_LINUX_BASED 1
#else
# define U_PLATFORM_IS_LINUX_BASED 0
# define U_HAVE_DEBUG_LOCATION_NEW 0
#endif
-/* Compatibility with non clang compilers */
+/* Compatibility with non clang compilers: http://clang.llvm.org/docs/LanguageExtensions.html */
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif
+#ifndef __has_cpp_attribute
+# define __has_cpp_attribute(x) 0
+#endif
+#ifndef __has_builtin
+# define __has_builtin(x) 0
+#endif
+#ifndef __has_feature
+# define __has_feature(x) 0
+#endif
+#ifndef __has_extension
+# define __has_extension(x) 0
+#endif
+#ifndef __has_warning
+# define __has_warning(x) 0
+#endif
/**
* \def U_MALLOC_ATTR
# define U_ALLOC_SIZE_ATTR2(X,Y)
#endif
+/**
+ * \def U_CPLUSPLUS_VERSION
+ * 0 if no C++; 1, 11, 14, ... if C++.
+ * Support for specific features cannot always be determined by the C++ version alone.
+ * @internal
+ */
+#ifdef U_CPLUSPLUS_VERSION
+# if U_CPLUSPLUS_VERSION != 0 && !defined(__cplusplus)
+# undef U_CPLUSPLUS_VERSION
+# define U_CPLUSPLUS_VERSION 0
+# endif
+ /* Otherwise use the predefined value. */
+#elif !defined(__cplusplus)
+# define U_CPLUSPLUS_VERSION 0
+#elif __cplusplus >= 201402L
+# define U_CPLUSPLUS_VERSION 14
+#elif __cplusplus >= 201103L
+# define U_CPLUSPLUS_VERSION 11
+#else
+ // C++98 or C++03
+# define U_CPLUSPLUS_VERSION 1
+#endif
+
+/**
+ * \def U_HAVE_RVALUE_REFERENCES
+ * Set to 1 if the compiler supports rvalue references.
+ * C++11 feature, necessary for move constructor & move assignment.
+ * @internal
+ */
+#ifdef U_HAVE_RVALUE_REFERENCES
+ /* Use the predefined value. */
+#elif U_CPLUSPLUS_VERSION >= 11 || __has_feature(cxx_rvalue_references) \
+ || defined(__GXX_EXPERIMENTAL_CXX0X__) \
+ || (defined(_MSC_VER) && _MSC_VER >= 1600) /* Visual Studio 2010 */
+# define U_HAVE_RVALUE_REFERENCES 1
+#else
+# define U_HAVE_RVALUE_REFERENCES 0
+#endif
+
+/**
+ * \def U_NOEXCEPT
+ * "noexcept" if supported, otherwise empty.
+ * Some code, especially STL containers, uses move semantics of objects only
+ * if the move constructor and the move operator are declared as not throwing exceptions.
+ * @internal
+ */
+#ifdef U_NOEXCEPT
+ /* Use the predefined value. */
+#elif defined(_HAS_EXCEPTIONS) && !_HAS_EXCEPTIONS /* Visual Studio */
+# define U_NOEXCEPT
+#elif U_CPLUSPLUS_VERSION >= 11 || __has_feature(cxx_noexcept) || __has_extension(cxx_noexcept) \
+ || (defined(_MSC_VER) && _MSC_VER >= 1900) /* Visual Studio 2015 */
+# define U_NOEXCEPT noexcept
+#else
+# define U_NOEXCEPT
+#endif
+
+/**
+ * \def U_FALLTHROUGH
+ * Annotate intentional fall-through between switch labels.
+ * http://clang.llvm.org/docs/AttributeReference.html#fallthrough-clang-fallthrough
+ * @internal
+ */
+#ifdef __cplusplus
+# if __has_cpp_attribute(clang::fallthrough) || \
+ (__has_feature(cxx_attributes) && __has_warning("-Wimplicit-fallthrough"))
+# define U_FALLTHROUGH [[clang::fallthrough]]
+# else
+# define U_FALLTHROUGH
+# endif
+#else
+# define U_FALLTHROUGH
+#endif
+
+
/** @} */
/*===========================================================================*/
*/
#ifdef U_SIZEOF_WCHAR_T
/* Use the predefined value. */
-#elif (U_PLATFORM == U_PF_ANDROID && __ANDROID_API__ < 9) || U_PLATFORM == U_PF_CLASSIC_MACOS
+#elif (U_PLATFORM == U_PF_ANDROID && __ANDROID_API__ < 9)
/*
* Classic Mac OS and Mac OS X before 10.3 (Panther) did not support wchar_t or wstring.
* Newer Mac OS X has size 4.
* does not support u"abc" string literals.
* C++11 and C11 require support for UTF-16 literals
*/
-# if (defined(__cplusplus) && __cplusplus >= 201103L) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L)
+# if U_CPLUSPLUS_VERSION >= 11 || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L)
# define U_HAVE_CHAR16_T 1
# else
# define U_HAVE_CHAR16_T 0
projects / apple / icu.git / blobdiff