| /* |
| ****************************************************************************** |
| * |
| * Copyright (C) 1999-2004, International Business Machines |
| * Corporation and others. All Rights Reserved. |
| * |
| ****************************************************************************** |
| * file name: umachine.h |
| * encoding: US-ASCII |
| * tab size: 8 (not used) |
| * indentation:4 |
| * |
| * created on: 1999sep13 |
| * created by: Markus W. Scherer |
| * |
| * 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. |
| */ |
| |
| #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 */ |
| /*==========================================================================*/ |
| |
| #if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) |
| # include "unicode/pwin32.h" |
| #else |
| # include "unicode/platform.h" |
| #endif |
| |
| /* |
| * ANSI C headers: |
| * stddef.h defines wchar_t |
| */ |
| #include <stddef.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 |
| |
| /*==========================================================================*/ |
| /* 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 XP_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 |
| |
| /** |
| * \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_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_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_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 |
| */ |
| |
| /* 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:: |
| #else |
| # define U_NAMESPACE_BEGIN |
| # define U_NAMESPACE_END |
| # define U_NAMESPACE_USE |
| # define U_NAMESPACE_QUALIFIER |
| #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 |
| #define U_STABLE U_CAPI |
| #define U_DRAFT U_CAPI |
| #define U_DEPRECATED U_CAPI |
| #define U_OBSOLETE U_CAPI |
| #define U_INTERNAL U_CAPI |
| |
| /*==========================================================================*/ |
| /* 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 |
| * @draft 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 |
| * @draft 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_HAVE_WCHAR_H |
| * Indicates whether <wchar.h> is available (1) or not (0). Set to 1 by default. |
| * |
| * @stable ICU 2.0 |
| */ |
| #ifndef U_HAVE_WCHAR_H |
| # define U_HAVE_WCHAR_H 1 |
| #endif |
| |
| /** |
| * \def U_SIZEOF_WCHAR_T |
| * U_SIZEOF_WCHAR_T==sizeof(wchar_t) (0 means it is not defined or autoconf could not set it) |
| * |
| * @stable ICU 2.0 |
| */ |
| #if U_SIZEOF_WCHAR_T==0 |
| # undef U_SIZEOF_WCHAR_T |
| # define U_SIZEOF_WCHAR_T 4 |
| #endif |
| |
| /* |
| * \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 (__OS390__ || __OS400__) && (U_SIZEOF_WCHAR_T==2) |
| # define U_WCHAR_IS_UTF16 |
| # endif |
| # elif defined __UCS4__ |
| # if (U_SIZEOF_WCHAR_T==4) |
| # define U_WCHAR_IS_UTF32 |
| # endif |
| # elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64) |
| # 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 |
| |
| /** |
| * \var UChar |
| * Define UChar to be wchar_t if that is 16 bits wide; always assumed to be unsigned. |
| * If wchar_t is not 16 bits wide, 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 2.0 |
| */ |
| |
| /* Define UChar to be compatible with wchar_t if possible. */ |
| #if U_SIZEOF_WCHAR_T==2 |
| typedef wchar_t 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; |
| |
| /*==========================================================================*/ |
| /* 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. */ |
| /*==========================================================================*/ |
| |
| /** |
| * \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 |
| */ |
| #ifndef U_ALIGN_CODE |
| # define U_ALIGN_CODE(n) |
| #endif |
| |
| #ifndef U_INLINE |
| # define U_INLINE |
| #endif |
| |
| #include "unicode/urename.h" |
| |
| #endif |
