From: Vadim Zeitlin Date: Mon, 22 Sep 2003 13:47:55 +0000 (+0000) Subject: reorganized/improved fixed size int types definitions; in particular use __int64... X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/8fb3747278488ec16198e9731838c4c3a44f5b80?ds=inline reorganized/improved fixed size int types definitions; in particular use __int64 for wxInt64 if available git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23817 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- diff --git a/include/wx/defs.h b/include/wx/defs.h index 790fd47e39..7cf17571cb 100644 --- a/include/wx/defs.h +++ b/include/wx/defs.h @@ -689,70 +689,199 @@ enum #endif // Win16/!Win16 #endif // wxUSE_COMPATIBLE_COORD_TYPES/!wxUSE_COMPATIBLE_COORD_TYPES -// fixed length types -#define wxInt8 char signed -#define wxUint8 char unsigned +// ---------------------------------------------------------------------------- +// define fixed length types +// ---------------------------------------------------------------------------- + +// chars are always one byte (by definition), shorts are always two (in +// practice) + +// 8bit +#ifndef SIZEOF_CHAR + #define SIZEOF_CHAR 1 +#endif +typedef signed char wxInt8; +typedef unsigned char wxUint8; +typedef wxUint8 wxByte; + + +// 16bit +#ifdef SIZEOF_SHORT + #if SIZEOF_SHORT != 2 + #error "wxWindows assumes sizeof(short) == 2, please fix the code" + #endif +#else + #define SIZEOF_SHORT 2 +#endif + +typedef signed short wxInt16; +typedef unsigned short wxUint16; + +typedef wxUint16 wxWord; + +/* + things are getting more interesting with ints, longs and pointers + + there are several different standard data models described by this table: + + +-----------+----------------------------+ + |type\model | LP64 ILP64 LLP64 ILP32 LP32| + +-----------+----------------------------+ + |char | 8 8 8 8 8 | + |short | 16 16 16 16 16 | + |int | 32 64 32 32 16 | + |long | 64 64 32 32 32 | + |long long | 64 | + |void * | 64 64 64 32 32 | + +-----------+----------------------------+ + + Win16 used LP32 (but we don't support it any longer), Win32 obviously used + ILP32 and Win64 uses LLP64 (a.k.a. P64) + Under Unix LP64 is the most widely used (the only I've ever seen, in fact) + */ + +// 32bit #ifdef __WINDOWS__ - #if defined(__WIN16__) - #define wxInt16 int signed - #define wxUint16 int unsigned - #define wxInt32 long signed - #define wxUint32 long unsigned - #elif defined(__WIN32__) - #define wxInt16 short signed - #define wxUint16 short unsigned - #define wxInt32 int signed - #define wxUint32 int unsigned + #if defined(__WIN64__) + // you may remove this #error and try to compile the library, please + // report the results to wx-dev@lists.wxwindows.org if you do! + #error "wxWindows hasn't been tested under Win64, continue at your own risk" + + // the same definitions as for Win32 _should_ work here as only + // sizeof(void *) changes, but it must be tested first + #endif // __WIN64__ + + // Win64 uses LLP64 model and so ints and longs have the same size as in + // Win32 + #if defined(__WIN32__) + typedef int wxInt32; + typedef unsigned int wxUint32; + + // conside that if SIZEOF_INT is defined, all the other ones are too + #ifndef SIZEOF_INT + #define SIZEOF_INT 4 + #define SIZEOF_LONG 4 + #define SIZEOF_WCHAR_T 2 + + #define wxSIZE_T_IS_UINT + #undef wxSIZE_T_IS_ULONG + + #ifdef __WIN64__ + #define SIZEOF_INT_P 8 + #else // Win32 + #define SIZEOF_INT_P 4 + #endif // Win64/32 + #endif // !defined(SIZEOF_INT) #else - // Win64 will have different type sizes - #error "Please define a 32 bit type" + #error "Unsupported Windows version" #endif #else // !Windows - // SIZEOF_XXX are defined by configure - #if defined(SIZEOF_INT) && (SIZEOF_INT == 4) - #define wxInt16 short signed - #define wxUint16 short unsigned - #define wxInt32 int signed - #define wxUint32 int unsigned - #elif defined(SIZEOF_INT) && (SIZEOF_INT == 2) - #define wxInt16 int signed - #define wxUint16 int unsigned - #define wxInt32 long signed - #define wxUint32 long unsigned - #else - // assume sizeof(int) == 4 - what else can we do + // SIZEOF_XXX are normally defined by configure + #ifdef SIZEOF_INT + #if SIZEOF_INT == 8 + // must be ILP64 data model, there is normally a special 32 bit + // type in it but we don't know what it is... + #error "No 32bit int type on this platform" + #elif SIZEOF_INT == 4 + typedef int wxInt32; + typedef unsigned int wxUint32; + #elif SIZEOF_INT == 2 + // must be LP32 + #if SIZEOF_LONG != 4 + #error "No 32bit int type on this platform" + #endif + + typedef long wxInt32; + typedef unsigned long wxUint32; + #elif + // wxWindows is not ready for 128bit systems yet... + #error "Unknown sizeof(int) value, what are you compiling for?" + #endif + #else // !defined(SIZEOF_INT) + // assume sizeof(int) == 4 -- what else can we do? wxCOMPILE_TIME_ASSERT( sizeof(int) == 4, IntMustBeExactly4Bytes); - #define wxInt16 short signed - #define wxUint16 short unsigned - #define wxInt32 int signed - #define wxUint32 int unsigned + #define SIZEOF_INT 4 + + typedef int wxInt32; + typedef unsigned int wxUint32; + + #if wxUSE_WCHAR_T + // also assume that sizeof(wchar_t) == 4 under Unix, this is by far + // the most common case + wxCOMPILE_TIME_ASSERT( sizeof(wchar_t) == 4, + Wchar_tMustBeExactly4Bytes); + #endif // wxUSE_WCHAR_T #endif #endif // Win/!Win +typedef wxUint32 wxDword; + + +// 64 bit + +// NB: we #define and not typedef wxLongLong_t because we want to be able to +// use 'unsigned wxLongLong_t' as well and because we use "#ifdef +// wxLongLong_t" in wx/longlong.h + +// to avoid compilation problems on 64bit machines with ambiguous method calls +// we will need to define this +#undef wxLongLongIsLong + +// first check for generic cases which are long on 64bit machine and "long +// long", then check for specific compilers #if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8) -#define wxInt64 long signed -#define wxUint64 long unsigned -#elif defined(SIZEOF_LONG_LONG) && (SIZEOF_LONG_LONG == 8) -#define wxInt64 long long signed -#define wxUint64 long long unsigned -#else // FIXME: what else can we do here aside from implementing wxULongLong -#define wxInt64 wxLongLong -#define wxUint64 wxULongLong + #define wxLongLong_t long + #define wxLongLongSuffix l + #define wxLongLongFmtSpec _T("l") + #define wxLongLongIsLong +#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ ) + #define wxLongLong_t __int64 + #define wxLongLongSuffix i64 + #define wxLongLongFmtSpec _T("I64") +#elif defined(__BORLANDC__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520) + #define wxLongLong_t __int64 + #define wxLongLongSuffix i64 + #define wxLongLongFmtSpec _T("Ld") +#elif (defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG >= 8) || \ + defined(__MINGW32__) || \ + defined(__GNUC__) || \ + defined(__CYGWIN__) || \ + defined(__WXMICROWIN__) || \ + (defined(__DJGPP__) && __DJGPP__ >= 2) + #define wxLongLong_t long long + #define wxLongLongSuffix ll + #define wxLongLongFmtSpec _T("ll") +#elif defined(__MWERKS__) + #if __option(longlong) + #define wxLongLong_t long long + #define wxLongLongSuffix ll + #define wxLongLongFmtSpec _T("ll") + #else + #error "The 64 bit integer support in CodeWarrior has been disabled." + #error "See the documentation on the 'longlong' pragma." + #endif +#elif defined(__VISAGECPP__) && __IBMCPP__ >= 400 + #define wxLongLong_t long long +#endif + + +#ifdef wxLongLong_t + typedef wxLongLong_t wxInt64; + typedef unsigned wxLongLong_t wxUint64; #endif -#define wxByte wxUint8 -#define wxWord wxUint16 // base floating point types -// wxFloat32 : 32 bit IEEE float ( 1 sign , 8 exponent bits , 23 fraction bits -// wxFloat64 : 64 bit IEEE float ( 1 sign , 11 exponent bits , 52 fraction bits -// wxDouble : native fastest representation that has at least wxFloat64 -// precision, so use the IEEE types for storage , and this for calculations +// wxFloat32: 32 bit IEEE float ( 1 sign, 8 exponent bits, 23 fraction bits +// wxFloat64: 64 bit IEEE float ( 1 sign, 11 exponent bits, 52 fraction bits +// wxDouble: native fastest representation that has at least wxFloat64 +// precision, so use the IEEE types for storage, and this for +// calculations -typedef float wxFloat32 ; +typedef float wxFloat32; #if (defined( __WXMAC__ ) || defined(__WXCOCOA__)) && defined (__MWERKS__) typedef short double wxFloat64; #else @@ -762,7 +891,7 @@ typedef float wxFloat32 ; #if defined( __WXMAC__ ) && !defined( __POWERPC__ ) typedef long double wxDouble; #else - typedef double wxDouble ; + typedef double wxDouble; #endif // ---------------------------------------------------------------------------- @@ -787,13 +916,13 @@ typedef float wxFloat32 ; // assembler versions for these #ifdef __POWERPC__ inline wxUint16 wxUINT16_SWAP_ALWAYS( wxUint16 i ) - {return (__lhbrx( &i , 0 ) ) ;} + {return (__lhbrx( &i , 0 ) );} inline wxInt16 wxINT16_SWAP_ALWAYS( wxInt16 i ) - {return (__lhbrx( &i , 0 ) ) ;} + {return (__lhbrx( &i , 0 ) );} inline wxUint32 wxUINT32_SWAP_ALWAYS( wxUint32 i ) - {return (__lwbrx( &i , 0 ) ) ;} + {return (__lwbrx( &i , 0 ) );} inline wxInt32 wxINT32_SWAP_ALWAYS( wxInt32 i ) - {return (__lwbrx( &i , 0 ) ) ;} + {return (__lwbrx( &i , 0 ) );} #else #pragma parameter __D0 wxUINT16_SWAP_ALWAYS(__D0) pascal wxUint16 wxUINT16_SWAP_ALWAYS(wxUint16 value) @@ -1988,26 +2117,26 @@ enum wxUpdateUI typedef unsigned char WXCOLORREF[6]; typedef void* WXHBITMAP; -typedef void* WXHMETAFILE ; -typedef void* WXHICON ; -typedef void* WXHCURSOR ; -typedef void* WXHRGN ; -typedef void* WXRECTPTR ; -typedef void* WXPOINTPTR ; -typedef void* WXHWND ; -typedef void* WXEVENTREF ; -typedef void* WXEVENTHANDLERREF ; -typedef void* WXEVENTHANDLERCALLREF ; -typedef void* WXAPPLEEVENTREF ; -typedef void* WXHDC ; -typedef void* WXHMENU ; +typedef void* WXHMETAFILE; +typedef void* WXHICON; +typedef void* WXHCURSOR; +typedef void* WXHRGN; +typedef void* WXRECTPTR; +typedef void* WXPOINTPTR; +typedef void* WXHWND; +typedef void* WXEVENTREF; +typedef void* WXEVENTHANDLERREF; +typedef void* WXEVENTHANDLERCALLREF; +typedef void* WXAPPLEEVENTREF; +typedef void* WXHDC; +typedef void* WXHMENU; typedef unsigned int WXUINT; typedef unsigned long WXDWORD; typedef unsigned short WXWORD; -typedef void* WXWidget ; -typedef void* WXWindow ; -typedef void* WXDisplay ; +typedef void* WXWidget; +typedef void* WXWindow; +typedef void* WXDisplay; /* typedef WindowPtr WXHWND; typedef Handle WXHANDLE; diff --git a/include/wx/longlong.h b/include/wx/longlong.h index c99255946d..57bebda6b4 100644 --- a/include/wx/longlong.h +++ b/include/wx/longlong.h @@ -38,60 +38,17 @@ // decide upon which class we will use // ---------------------------------------------------------------------------- -// to avoid compilation problems on 64bit machines with ambiguous method calls -// we will need to define this -#undef wxLongLongIsLong - -// NB: we #define and not typedef wxLongLong_t because we want to be able to -// use 'unsigned wxLongLong_t' as well and because we use "#ifdef -// wxLongLong_t" below - -// first check for generic cases which are long on 64bit machine and "long -// long", then check for specific compilers -#if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8) - #define wxLongLong_t long - #define wxLongLongSuffix l - #define wxLongLongFmtSpec _T("l") - #define wxLongLongIsLong -#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ ) - #define wxLongLong_t __int64 - #define wxLongLongSuffix i64 - #define wxLongLongFmtSpec _T("I64") -#elif defined(__BORLANDC__) && defined(__WIN32__) && (__BORLANDC__ >= 0x520) - #define wxLongLong_t __int64 - #define wxLongLongSuffix i64 - #define wxLongLongFmtSpec _T("Ld") -#elif (defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG >= 8) || \ - defined(__MINGW32__) || \ - defined(__GNUC__) || \ - defined(__CYGWIN__) || \ - defined(__WXMICROWIN__) || \ - (defined(__DJGPP__) && __DJGPP__ >= 2) - #define wxLongLong_t long long - #define wxLongLongSuffix ll - #define wxLongLongFmtSpec _T("ll") -#elif defined(__MWERKS__) - #if __option(longlong) - #define wxLongLong_t long long - #define wxLongLongSuffix ll - #define wxLongLongFmtSpec _T("ll") - #else - #error "The 64 bit integer support in CodeWarrior has been disabled." - #error "See the documentation on the 'longlong' pragma." - #endif -#elif defined(__VISAGECPP__) && __IBMCPP__ >= 400 - #define wxLongLong_t long long -#else // no native long long type +#ifndef wxLongLong_t // both warning and pragma warning are not portable, but at least an // unknown pragma should never be an error -- except that, actually, some // broken compilers don't like it, so we have to disable it in this case // -#if !(defined(__WATCOMC__) || defined(__VISAGECPP__)) - #pragma warning "Your compiler does not appear to support 64 bit "\ - "integers, using emulation class instead.\n" \ - "Please report your compiler version to " \ - "wx-dev@lists.wxwindows.org!" -#endif + #if !(defined(__WATCOMC__) || defined(__VISAGECPP__)) + #pragma warning "Your compiler does not appear to support 64 bit "\ + "integers, using emulation class instead.\n" \ + "Please report your compiler version to " \ + "wx-dev@lists.wxwindows.org!" + #endif #define wxUSE_LONGLONG_WX 1 #endif // compiler