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-// © 2016 and later: Unicode, Inc. and others.
-// License & terms of use: http://www.unicode.org/copyright.html
-/*
-******************************************************************************
-*
-* Copyright (C) 1999-2015, International Business Machines
-* Corporation and others. All Rights Reserved.
-*
-******************************************************************************
-* file name: umachine.h
-* encoding: UTF-8
-* tab size: 8 (not used)
-* indentation:4
-*
-* created on: 1999sep13
-* created by: Markus W. Scherer
-*
-* 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
-* the UTF-handling macros made this unmaintainable.
-*/
-
-#ifndef __UMACHINE_H__
-#define __UMACHINE_H__
-
-
-/**
- * \file
- * \brief Basic types and constants for UTF
- *
- * <h2> Basic types and constants for UTF </h2>
- * 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 */
-/*==========================================================================*/
-
-#include "unicode/ptypes.h" /* platform.h is included in ptypes.h */
-
-/*
- * ANSI C headers:
- * stddef.h defines wchar_t
- */
-#include <stddef.h>
-
-/*==========================================================================*/
-/* For C wrappers, we use the symbol U_STABLE. */
-/* This works properly if the includer is C or C++. */
-/* Functions are declared U_STABLE return-type U_EXPORT2 function-name()... */
-/*==========================================================================*/
-
-/**
- * \def U_CFUNC
- * This is used in a declaration of a library private ICU C function.
- * @stable ICU 2.4
- */
-
-/**
- * \def U_CDECL_BEGIN
- * This is used to begin a declaration of a library private ICU C API.
- * @stable ICU 2.4
- */
-
-/**
- * \def U_CDECL_END
- * This is used to end a declaration of a library private ICU C API
- * @stable ICU 2.4
- */
-
-#ifdef __cplusplus
-# define U_CFUNC extern "C"
-# define U_CDECL_BEGIN extern "C" {
-# define U_CDECL_END }
-#else
-# define U_CFUNC extern
-# define U_CDECL_BEGIN
-# define U_CDECL_END
-#endif
-
-#ifndef U_ATTRIBUTE_DEPRECATED
-/**
- * \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_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_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
- */
-#ifndef U_OVERRIDE
-#define U_OVERRIDE override
-#endif
-
-/**
- * \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
- */
-#if !defined(U_FINAL) || defined(U_IN_DOXYGEN)
-#define U_FINAL final
-#endif
-
-
-/*==========================================================================*/
-/* limits for int32_t etc., like in POSIX inttypes.h */
-/*==========================================================================*/
-
-#ifndef INT8_MIN
-/** The smallest value an 8 bit signed integer can hold @stable ICU 2.0 */
-# define INT8_MIN ((int8_t)(-128))
-#endif
-#ifndef INT16_MIN
-/** The smallest value a 16 bit signed integer can hold @stable ICU 2.0 */
-# define INT16_MIN ((int16_t)(-32767-1))
-#endif
-#ifndef INT32_MIN
-/** The smallest value a 32 bit signed integer can hold @stable ICU 2.0 */
-# define INT32_MIN ((int32_t)(-2147483647-1))
-#endif
-
-#ifndef INT8_MAX
-/** The largest value an 8 bit signed integer can hold @stable ICU 2.0 */
-# define INT8_MAX ((int8_t)(127))
-#endif
-#ifndef INT16_MAX
-/** The largest value a 16 bit signed integer can hold @stable ICU 2.0 */
-# define INT16_MAX ((int16_t)(32767))
-#endif
-#ifndef INT32_MAX
-/** The largest value a 32 bit signed integer can hold @stable ICU 2.0 */
-# define INT32_MAX ((int32_t)(2147483647))
-#endif
-
-#ifndef UINT8_MAX
-/** The largest value an 8 bit unsigned integer can hold @stable ICU 2.0 */
-# define UINT8_MAX ((uint8_t)(255U))
-#endif
-#ifndef UINT16_MAX
-/** The largest value a 16 bit unsigned integer can hold @stable ICU 2.0 */
-# define UINT16_MAX ((uint16_t)(65535U))
-#endif
-#ifndef UINT32_MAX
-/** The largest value a 32 bit unsigned integer can hold @stable ICU 2.0 */
-# define UINT32_MAX ((uint32_t)(4294967295U))
-#endif
-
-#if defined(U_INT64_T_UNAVAILABLE)
-# error int64_t is required for decimal format and rule-based number format.
-#else
-# 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
-
-/*==========================================================================*/
-/* Boolean data type */
-/*==========================================================================*/
-
-/** The ICU boolean type @stable ICU 2.0 */
-typedef int8_t UBool;
-
-#ifndef TRUE
-/** The TRUE value of a UBool @stable ICU 2.0 */
-# define TRUE 1
-#endif
-#ifndef FALSE
-/** The FALSE value of a UBool @stable ICU 2.0 */
-# define FALSE 0
-#endif
-
-
-/*==========================================================================*/
-/* Unicode data types */
-/*==========================================================================*/
-
-/* wchar_t-related definitions -------------------------------------------- */
-
-/*
- * \def U_WCHAR_IS_UTF16
- * Defined if wchar_t uses UTF-16.
- *
- * @stable ICU 2.0
- */
-/*
- * \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
-
-/* UChar and UChar32 definitions -------------------------------------------- */
-
-/** Number of bytes in a UChar. @stable ICU 2.0 */
-#define U_SIZEOF_UCHAR 2
-
-/**
- * \def U_CHAR16_IS_TYPEDEF
- * If 1, then char16_t is a typedef and not a real type (yet)
- * @internal
- */
-#if (U_PLATFORM == U_PF_AIX) && defined(__cplusplus) &&(U_CPLUSPLUS_VERSION < 11)
-// for AIX, uchar.h needs to be included
-# include <uchar.h>
-# define U_CHAR16_IS_TYPEDEF 1
-#elif defined(_MSC_VER) && (_MSC_VER < 1900)
-// Versions of Visual Studio/MSVC below 2015 do not support char16_t as a real type,
-// and instead use a typedef. https://msdn.microsoft.com/library/bb531344.aspx
-# define U_CHAR16_IS_TYPEDEF 1
-#else
-# define U_CHAR16_IS_TYPEDEF 0
-#endif
-
-
-/**
- * \var UChar
- *
- * The base type for UTF-16 code units and pointers.
- * Unsigned 16-bit integer.
- * Starting with ICU 59, C++ API uses char16_t directly, while C API continues to use UChar.
- *
- * UChar is configurable by defining the macro UCHAR_TYPE
- * on the preprocessor or compiler command line:
- * -DUCHAR_TYPE=uint16_t or -DUCHAR_TYPE=wchar_t (if U_SIZEOF_WCHAR_T==2) etc.
- * (The UCHAR_TYPE can also be \#defined earlier in this file, for outside the ICU library code.)
- * This is for transitional use from application code that uses uint16_t or wchar_t for UTF-16.
- *
- * The default is UChar=char16_t.
- *
- * C++11 defines char16_t as bit-compatible with uint16_t, but as a distinct type.
- *
- * In C, char16_t is a simple typedef of uint_least16_t.
- * ICU requires uint_least16_t=uint16_t for data memory mapping.
- * On macOS, char16_t is not available because the uchar.h standard header is missing.
- *
- * @stable ICU 4.4
- */
-
-#if 1
- // #if 1 is normal. UChar defaults to char16_t in C++.
- // For configuration testing of UChar=uint16_t temporarily change this to #if 0.
- // The intltest Makefile #defines UCHAR_TYPE=char16_t,
- // so we only #define it to uint16_t if it is undefined so far.
-#elif !defined(UCHAR_TYPE)
-# define UCHAR_TYPE uint16_t
-#endif
-
-#if defined(U_COMBINED_IMPLEMENTATION) || defined(U_COMMON_IMPLEMENTATION) || \
- defined(U_I18N_IMPLEMENTATION) || defined(U_IO_IMPLEMENTATION)
- // Inside the ICU library code, never configurable.
- typedef char16_t UChar;
-#elif defined(UCHAR_TYPE)
- typedef UCHAR_TYPE UChar;
-#elif defined(__cplusplus)
- typedef char16_t UChar;
-#else
- typedef uint16_t UChar;
-#endif
-
-/**
- * \var OldUChar
- * Default ICU 58 definition of UChar.
- * A base type for UTF-16 code units and pointers.
- * Unsigned 16-bit integer.
- *
- * Define OldUChar to be wchar_t if that is 16 bits wide.
- * If wchar_t is not 16 bits wide, then define UChar to be uint16_t.
- *
- * This makes the definition of OldUChar platform-dependent
- * but allows direct string type compatibility with platforms with
- * 16-bit wchar_t types.
- *
- * This is how UChar was defined in ICU 58, for transition convenience.
- * Exception: ICU 58 UChar was defined to UCHAR_TYPE if that macro was defined.
- * The current UChar responds to UCHAR_TYPE but OldUChar does not.
- *
- * @stable ICU 59
- */
-#if U_SIZEOF_WCHAR_T==2
- typedef wchar_t OldUChar;
-#elif defined(__CHAR16_TYPE__)
- typedef __CHAR16_TYPE__ OldUChar;
-#else
- typedef uint16_t OldUChar;
-#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
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