X-Git-Url: https://git.saurik.com/apple/icu.git/blobdiff_plain/b75a7d8f3b4adbae880cab104ce2c6a50eee4db2..b331163bffd790ced0e88b73f44f86d49ccc48a5:/icuSources/common/unicode/umachine.h?ds=sidebyside
diff --git a/icuSources/common/unicode/umachine.h b/icuSources/common/unicode/umachine.h
index 2909386b..53215921 100644
--- a/icuSources/common/unicode/umachine.h
+++ b/icuSources/common/unicode/umachine.h
@@ -1,7 +1,7 @@
/*
******************************************************************************
*
-* Copyright (C) 1999-2002, International Business Machines
+* Copyright (C) 1999-2014, International Business Machines
* Corporation and others. All Rights Reserved.
*
******************************************************************************
@@ -13,7 +13,7 @@
* created on: 1999sep13
* created by: Markus W. Scherer
*
-* This file defines basic types and constants for utf.h to be
+* This file defines basic types and constants for ICU to be
* platform-independent. umachine.h and utf.h are included into
* utypes.h to provide all the general definitions for ICU.
* All of these definitions used to be in utypes.h before
@@ -26,48 +26,33 @@
/**
* \file
- * \brief Basic types and constants for UTF
- *
+ * \brief Basic types and constants for UTF
+ *
* Basic types and constants for UTF
* This file defines basic types and constants for utf.h to be
* platform-independent. umachine.h and utf.h are included into
* utypes.h to provide all the general definitions for ICU.
* All of these definitions used to be in utypes.h before
* the UTF-handling macros made this unmaintainable.
- *
+ *
*/
/*==========================================================================*/
/* Include platform-dependent definitions */
/* which are contained in the platform-specific file platform.h */
/*==========================================================================*/
-#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
-# include "unicode/pwin32.h"
-#elif defined(__OS400__)
-# include "unicode/pos400.h"
-#elif defined(__MWERKS__)
-# include "unicode/pmacos.h"
-#else
-# include "unicode/platform.h"
-#endif
+#include "unicode/ptypes.h" /* platform.h is included in ptypes.h */
-/*==========================================================================*/
-/* XP_CPLUSPLUS is a cross-platform symbol which should be defined when */
-/* using C++. It should not be defined when compiling under C. */
-/*==========================================================================*/
-
-#ifdef __cplusplus
-# ifndef XP_CPLUSPLUS
-# define XP_CPLUSPLUS
-# endif
-#else
-# undef XP_CPLUSPLUS
-#endif
+/*
+ * ANSI C headers:
+ * stddef.h defines wchar_t
+ */
+#include
/*==========================================================================*/
-/* For C wrappers, we use the symbol U_CAPI. */
+/* For C wrappers, we use the symbol U_STABLE. */
/* This works properly if the includer is C or C++. */
-/* Functions are declared U_CAPI return-type U_EXPORT2 function-name()... */
+/* Functions are declared U_STABLE return-type U_EXPORT2 function-name()... */
/*==========================================================================*/
/**
@@ -84,11 +69,11 @@
/**
* \def U_CDECL_END
- * This is used to end a declaration of a library private ICU C API
+ * This is used to end a declaration of a library private ICU C API
* @stable ICU 2.4
*/
-#ifdef XP_CPLUSPLUS
+#ifdef __cplusplus
# define U_CFUNC extern "C"
# define U_CDECL_BEGIN extern "C" {
# define U_CDECL_END }
@@ -98,51 +83,72 @@
# define U_CDECL_END
#endif
+#ifndef U_ATTRIBUTE_DEPRECATED
/**
- * \def U_NAMESPACE_BEGIN
- * This is used to begin a declaration of a public ICU C++ API.
- * If the compiler doesn't support namespaces, this does nothing.
- * @stable ICU 2.4
+ * \def U_ATTRIBUTE_DEPRECATED
+ * This is used for GCC specific attributes
+ * @internal
*/
-
+#if U_GCC_MAJOR_MINOR >= 302
+# define U_ATTRIBUTE_DEPRECATED __attribute__ ((deprecated))
/**
- * \def U_NAMESPACE_END
- * This is used to end a declaration of a public ICU C++ API
- * If the compiler doesn't support namespaces, this does nothing.
- * @stable ICU 2.4
+ * \def U_ATTRIBUTE_DEPRECATED
+ * This is used for Visual C++ specific attributes
+ * @internal
*/
+#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
+# define U_ATTRIBUTE_DEPRECATED __declspec(deprecated)
+#else
+# define U_ATTRIBUTE_DEPRECATED
+#endif
+#endif
+
+/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
+#define U_CAPI U_CFUNC U_EXPORT
+/** This is used to declare a function as a stable public ICU C API*/
+#define U_STABLE U_CAPI
+/** This is used to declare a function as a draft public ICU C API */
+#define U_DRAFT U_CAPI
+/** This is used to declare a function as a deprecated public ICU C API */
+#define U_DEPRECATED U_CAPI U_ATTRIBUTE_DEPRECATED
+/** This is used to declare a function as an obsolete public ICU C API */
+#define U_OBSOLETE U_CAPI
+/** This is used to declare a function as an internal ICU C API */
+#define U_INTERNAL U_CAPI
/**
- * \def U_NAMESPACE_USE
- * This is used to specify that the rest of the code uses the
- * public ICU C++ API namespace.
- * If the compiler doesn't support namespaces, this does nothing.
- * @stable ICU 2.4
+ * \def U_OVERRIDE
+ * Defined to the C++11 "override" keyword if available.
+ * Denotes a class or member which is an override of the base class.
+ * May result in an error if it applied to something not an override.
+ * @internal
*/
/**
- * \def U_NAMESPACE_QUALIFIER
- * This is used to qualify that a function or class is part of
- * the public ICU C++ API namespace.
- * If the compiler doesn't support namespaces, this does nothing.
- * @stable ICU 2.4
+ * \def U_FINAL
+ * Defined to the C++11 "final" keyword if available.
+ * Denotes a class or member which may not be overridden in subclasses.
+ * May result in an error if subclasses attempt to override.
+ * @internal
*/
-/* Define namespace symbols if the compiler supports it. */
-#if U_HAVE_NAMESPACE
-# define U_NAMESPACE_BEGIN namespace U_ICU_NAMESPACE {
-# define U_NAMESPACE_END }
-# define U_NAMESPACE_USE using namespace U_ICU_NAMESPACE;
-# define U_NAMESPACE_QUALIFIER U_ICU_NAMESPACE::
+#if defined(__cplusplus) && __cplusplus>=201103L
+/* C++11 */
+#ifndef U_OVERRIDE
+#define U_OVERRIDE override
+#endif
+#ifndef U_FINAL
+#define U_FINAL final
+#endif
#else
-# define U_NAMESPACE_BEGIN
-# define U_NAMESPACE_END
-# define U_NAMESPACE_USE
-# define U_NAMESPACE_QUALIFIER
+/* not C++11 - define to nothing */
+#ifndef U_OVERRIDE
+#define U_OVERRIDE
+#endif
+#ifndef U_FINAL
+#define U_FINAL
+#endif
#endif
-
-/** This is used to declare a function as a public ICU C API @stable ICU 2.0*/
-#define U_CAPI U_CFUNC U_EXPORT
/*==========================================================================*/
/* limits for int32_t etc., like in POSIX inttypes.h */
@@ -188,37 +194,36 @@
#endif
#if defined(U_INT64_T_UNAVAILABLE)
-# ifndef INTMAX_MIN
-# define INTMAX_MIN INT32_MIN
-# endif
-# ifndef INTMAX_MAX
-# define INTMAX_MAX INT32_MAX
-# endif
-# ifndef UINTMAX_MAX
-# define UINTMAX_MAX UINT32_MAX
-# endif
+# error int64_t is required for decimal format and rule-based number format.
#else
-# ifndef INT64_MIN
-/** The smallest value a 64 bit signed integer can hold @stable ICU 2.0 */
-# define INT64_MIN ((int64_t)(-9223372036854775807-1))
-# endif
-# ifndef INT64_MAX
-/** The largest value a 64 bit signed integer can hold @stable ICU 2.0 */
-# define INT64_MAX ((int64_t)(9223372036854775807))
-# endif
-# ifndef UINT64_MAX
-/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.0 */
-# define UINT64_MAX ((uint64_t)(18446744073709551615))
-# endif
-# ifndef INTMAX_MIN
-# define INTMAX_MIN INT64_MIN
-# endif
-# ifndef INTMAX_MAX
-# define INTMAX_MAX INT64_MAX
-# endif
-# ifndef UINTMAX_MAX
-# define UINTMAX_MAX UINT64_MAX
-# endif
+# ifndef INT64_C
+/**
+ * Provides a platform independent way to specify a signed 64-bit integer constant.
+ * note: may be wrong for some 64 bit platforms - ensure your compiler provides INT64_C
+ * @stable ICU 2.8
+ */
+# define INT64_C(c) c ## LL
+# endif
+# ifndef UINT64_C
+/**
+ * Provides a platform independent way to specify an unsigned 64-bit integer constant.
+ * note: may be wrong for some 64 bit platforms - ensure your compiler provides UINT64_C
+ * @stable ICU 2.8
+ */
+# define UINT64_C(c) c ## ULL
+# endif
+# ifndef U_INT64_MIN
+/** The smallest value a 64 bit signed integer can hold @stable ICU 2.8 */
+# define U_INT64_MIN ((int64_t)(INT64_C(-9223372036854775807)-1))
+# endif
+# ifndef U_INT64_MAX
+/** The largest value a 64 bit signed integer can hold @stable ICU 2.8 */
+# define U_INT64_MAX ((int64_t)(INT64_C(9223372036854775807)))
+# endif
+# ifndef U_UINT64_MAX
+/** The largest value a 64 bit unsigned integer can hold @stable ICU 2.8 */
+# define U_UINT64_MAX ((uint64_t)(UINT64_C(18446744073709551615)))
+# endif
#endif
/*==========================================================================*/
@@ -239,26 +244,113 @@ typedef int8_t UBool;
/*==========================================================================*/
-/* U_INLINE and U_ALIGN_CODE Set default values if these are not already */
-/* defined. Definitions normally are in */
-/* platform.h or the corresponding file for */
-/* the OS in use. */
+/* Unicode data types */
/*==========================================================================*/
-/**
- * \def U_ALIGN_CODE
- * This is used to align code fragments to a specific byte boundary.
- * This is useful for getting consistent performance test results.
- * @internal
+/* wchar_t-related definitions -------------------------------------------- */
+
+/*
+ * \def U_WCHAR_IS_UTF16
+ * Defined if wchar_t uses UTF-16.
+ *
+ * @stable ICU 2.0
*/
-#ifndef U_ALIGN_CODE
-# define U_ALIGN_CODE(n)
+/*
+ * \def U_WCHAR_IS_UTF32
+ * Defined if wchar_t uses UTF-32.
+ *
+ * @stable ICU 2.0
+ */
+#if !defined(U_WCHAR_IS_UTF16) && !defined(U_WCHAR_IS_UTF32)
+# ifdef __STDC_ISO_10646__
+# if (U_SIZEOF_WCHAR_T==2)
+# define U_WCHAR_IS_UTF16
+# elif (U_SIZEOF_WCHAR_T==4)
+# define U_WCHAR_IS_UTF32
+# endif
+# elif defined __UCS2__
+# if (U_PF_OS390 <= U_PLATFORM && U_PLATFORM <= U_PF_OS400) && (U_SIZEOF_WCHAR_T==2)
+# define U_WCHAR_IS_UTF16
+# endif
+# elif defined(__UCS4__) || (U_PLATFORM == U_PF_OS400 && defined(__UTF32__))
+# if (U_SIZEOF_WCHAR_T==4)
+# define U_WCHAR_IS_UTF32
+# endif
+# elif U_PLATFORM_IS_DARWIN_BASED || (U_SIZEOF_WCHAR_T==4 && U_PLATFORM_IS_LINUX_BASED)
+# define U_WCHAR_IS_UTF32
+# elif U_PLATFORM_HAS_WIN32_API
+# define U_WCHAR_IS_UTF16
+# endif
#endif
-#ifndef U_INLINE
-# define U_INLINE
+/* UChar and UChar32 definitions -------------------------------------------- */
+
+/** Number of bytes in a UChar. @stable ICU 2.0 */
+#define U_SIZEOF_UCHAR 2
+
+/**
+ * \var UChar
+ * Define UChar to be UCHAR_TYPE, if that is #defined (for example, to char16_t),
+ * or wchar_t if that is 16 bits wide; always assumed to be unsigned.
+ * If neither is available, then define UChar to be uint16_t.
+ *
+ * This makes the definition of UChar platform-dependent
+ * but allows direct string type compatibility with platforms with
+ * 16-bit wchar_t types.
+ *
+ * @stable ICU 4.4
+ */
+#if defined(UCHAR_TYPE)
+ typedef UCHAR_TYPE UChar;
+/* Not #elif U_HAVE_CHAR16_T -- because that is type-incompatible with pre-C++11 callers
+ typedef char16_t UChar; */
+#elif U_SIZEOF_WCHAR_T==2
+ typedef wchar_t UChar;
+#elif defined(__CHAR16_TYPE__)
+ typedef __CHAR16_TYPE__ UChar;
+#else
+ typedef uint16_t UChar;
#endif
+/**
+ * Define UChar32 as a type for single Unicode code points.
+ * UChar32 is a signed 32-bit integer (same as int32_t).
+ *
+ * The Unicode code point range is 0..0x10ffff.
+ * All other values (negative or >=0x110000) are illegal as Unicode code points.
+ * They may be used as sentinel values to indicate "done", "error"
+ * or similar non-code point conditions.
+ *
+ * Before ICU 2.4 (Jitterbug 2146), UChar32 was defined
+ * to be wchar_t if that is 32 bits wide (wchar_t may be signed or unsigned)
+ * or else to be uint32_t.
+ * That is, the definition of UChar32 was platform-dependent.
+ *
+ * @see U_SENTINEL
+ * @stable ICU 2.4
+ */
+typedef int32_t UChar32;
+
+/**
+ * This value is intended for sentinel values for APIs that
+ * (take or) return single code points (UChar32).
+ * It is outside of the Unicode code point range 0..0x10ffff.
+ *
+ * For example, a "done" or "error" value in a new API
+ * could be indicated with U_SENTINEL.
+ *
+ * ICU APIs designed before ICU 2.4 usually define service-specific "done"
+ * values, mostly 0xffff.
+ * Those may need to be distinguished from
+ * actual U+ffff text contents by calling functions like
+ * CharacterIterator::hasNext() or UnicodeString::length().
+ *
+ * @return -1
+ * @see UChar32
+ * @stable ICU 2.4
+ */
+#define U_SENTINEL (-1)
+
#include "unicode/urename.h"
#endif