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Diffstat (limited to 'Source/JavaScriptCore/icu/unicode/umachine.h')
| -rw-r--r-- | Source/JavaScriptCore/icu/unicode/umachine.h | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/icu/unicode/umachine.h b/Source/JavaScriptCore/icu/unicode/umachine.h new file mode 100644 index 0000000..d841f53 --- /dev/null +++ b/Source/JavaScriptCore/icu/unicode/umachine.h @@ -0,0 +1,371 @@ +/* +****************************************************************************** +* +* 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 |