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1 module dmd.Macro;
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2
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3 struct Macro /// ???
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4 {
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99
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5 }
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6
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7 /**
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8 It is very important to use version control macros correctly - the
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9 idea is that host and target are independent. If these are done
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10 correctly, cross compilers can be built.
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11 The host compiler and host operating system are also different,
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12 and are predefined by the host compiler. The ones used in
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13 dmd are:
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14
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15 Macros defined by the compiler, not the code:
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16
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17 Compiler:
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18 __DMC__ Digital Mars compiler
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19 _MSC_VER Microsoft compiler
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20 __GNUC__ Gnu compiler
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21
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22 Host operating system:
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23 _WIN32 Microsoft NT, Windows 95, Windows 98, Win32s,
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24 Windows 2000, Win XP, Vista
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25 _WIN64 Windows for AMD64
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26 linux Linux
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27 __APPLE__ Mac OSX
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28 __FreeBSD__ FreeBSD
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29 __sun&&__SVR4 Solaris, OpenSolaris (yes, both macros are necessary)
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30
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31 For the target systems, there are the target operating system and
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32 the target object file format:
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33
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34 Target operating system:
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35 TARGET_WINDOS Covers 32 bit windows and 64 bit windows
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36 TARGET_LINUX Covers 32 and 64 bit linux
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37 TARGET_OSX Covers 32 and 64 bit Mac OSX
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38 TARGET_FREEBSD Covers 32 and 64 bit FreeBSD
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39 TARGET_SOLARIS Covers 32 and 64 bit Solaris
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40 TARGET_NET Covers .Net
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41
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42 It is expected that the compiler for each platform will be able
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43 to generate 32 and 64 bit code from the same compiler binary.
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44
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45 Target object module format:
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46 OMFOBJ Intel Object Module Format, used on Windows
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47 ELFOBJ Elf Object Module Format, used on linux, FreeBSD and Solaris
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48 MACHOBJ Mach-O Object Module Format, used on Mac OSX
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49
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50 There are currently no macros for byte endianness order.
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51 */
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52 //version definitions from mars.h
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53
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54 version(IN_GCC) // Changes for the GDC compiler by David Friedman
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55 {
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56 static assert(false, "GDC not supported");
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57 }
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58
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59 // default to DMDV2
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60 version(DMDV1) {} else
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61 version = DMDV2; // Version 2.0 features
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62 version = BREAKABI; // 0 if not ready to break the ABI just yet
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63 version(DMDV2)
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64 {
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65 version = STRUCTTHISREF; // if 'this' for struct is a reference, not a pointer
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66 version = SNAN_DEFAULT_INIT;// if floats are default initialized to signalling NaN
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67 version = SARRAYVALUE; // static arrays are value types
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68 }
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69
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70 // Set if C++ mangling is done by the front end
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71 version(DMDV2)
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72 {
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73 version(POSIX) // TARGET_LINUX || TARGET_OSX || TARGET_FREEBSD || TARGET_SOLARIS
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74 version = CPP_MANGLE;
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75 }
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76
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77 /* Other targets are TARGET_LINUX, TARGET_OSX, TARGET_FREEBSD and
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78 * TARGET_SOLARIS, which are
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79 * set on the command line via the compiler makefile.
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80 */
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81
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82 version(_WIN32)
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83 {
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84 version = TARGET_WINDOS; // Windows dmd generates Windows targets
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85 version = OMFOBJ;
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86 }
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87
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88 version(TARGET_LINUX)
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89 version = ELFOBJ;
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90 version(TARGET_FREEBSD)
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91 version = ELFOBJ;
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92 version(TARGET_SOLARIS)
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93 version = ELFOBJ;
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94
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95
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96 version(TARGET_OSX)
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97 version = MACHOBJ;
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98
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99 /* TODO:
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100 //Modify OutBuffer::writewchar to write the correct size of wchar
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101 #if _WIN32
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102 #define writewchar writeword
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103 #else
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104 //This needs a configuration test...
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105 #define writewchar write4
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106 #endif
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107
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108 #define INTERFACE_OFFSET 0 // if 1, put classinfo as first entry
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109 //in interface vtbl[]'s
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110 #define INTERFACE_VIRTUAL 0 // 1 means if an interface appears
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111 //in the inheritance graph multiple
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112 //times, only one is used
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113 */ |
