src/luaconf.h

   1 /*
   2 ** Configuration header.
   3 ** Copyright (C) 2005-2013 Mike Pall. See Copyright Notice in luajit.h
   4 */
   5
   6 #ifndef luaconf_h
   7 #define luaconf_h
   8
   9 #include <limits.h>
  10 #include <stddef.h>
  11
  12 /* Default path for loading Lua and C modules with require(). */
  13 #if defined(_WIN32)
  14 /*
  15 ** In Windows, any exclamation mark ('!') in the path is replaced by the
  16 ** path of the directory of the executable file of the current process.
  17 */
  18 #define LUA_LDIR        "!\\lua\\"
  19 #define LUA_CDIR        "!\\"
  20 #define LUA_PATH_DEFAULT \
  21   ".\\?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;"
  22 #define LUA_CPATH_DEFAULT \
  23   ".\\?.dll;" LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
  24 #else
  25 /*
  26 ** Note to distribution maintainers: do NOT patch the following line!
  27 ** Please read ../doc/install.html#distro and pass PREFIX=/usr instead.
  28 */
  29 #define LUA_ROOT        "/usr/local/"
  30 #define LUA_LDIR        LUA_ROOT "share/lua/5.1/"
  31 #define LUA_CDIR        LUA_ROOT "lib/lua/5.1/"
  32 #ifdef LUA_XROOT
  33 #define LUA_JDIR        LUA_XROOT "share/luajit-2.0.1/"
  34 #define LUA_XPATH \
  35   ";" LUA_XROOT "share/lua/5.1/?.lua;" LUA_XROOT "share/lua/5.1/?/init.lua"
  36 #define LUA_XCPATH      LUA_XROOT "lib/lua/5.1/?.so;"
  37 #else
  38 #define LUA_JDIR        LUA_ROOT "share/luajit-2.0.1/"
  39 #define LUA_XPATH
  40 #define LUA_XCPATH
  41 #endif
  42 #define LUA_PATH_DEFAULT \
  43   "./?.lua;" LUA_JDIR"?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua" LUA_XPATH
  44 #define LUA_CPATH_DEFAULT \
  45   "./?.so;" LUA_CDIR"?.so;" LUA_XCPATH LUA_CDIR"loadall.so"
  46 #endif
  47
  48 /* Environment variable names for path overrides and initialization code. */
  49 #define LUA_PATH        "LUA_PATH"
  50 #define LUA_CPATH       "LUA_CPATH"
  51 #define LUA_INIT        "LUA_INIT"
  52
  53 /* Special file system characters. */
  54 #if defined(_WIN32)
  55 #define LUA_DIRSEP      "\\"
  56 #else
  57 #define LUA_DIRSEP      "/"
  58 #endif
  59 #define LUA_PATHSEP     ";"
  60 #define LUA_PATH_MARK   "?"
  61 #define LUA_EXECDIR     "!"
  62 #define LUA_IGMARK      "-"
  63 #define LUA_PATH_CONFIG \
  64   LUA_DIRSEP "\n" LUA_PATHSEP "\n" LUA_PATH_MARK "\n" \
  65   LUA_EXECDIR "\n" LUA_IGMARK
  66
  67 /* Quoting in error messages. */
  68 #define LUA_QL(x)       "'" x "'"
  69 #define LUA_QS          LUA_QL("%s")
  70
  71 /* Various tunables. */
  72 #define LUAI_MAXSTACK   65500   /* Max. # of stack slots for a thread (<64K). */
  73 #define LUAI_MAXCSTACK  8000    /* Max. # of stack slots for a C func (<10K). */
  74 #define LUAI_GCPAUSE    200     /* Pause GC until memory is at 200%. */
  75 #define LUAI_GCMUL      200     /* Run GC at 200% of allocation speed. */
  76 #define LUA_MAXCAPTURES 32      /* Max. pattern captures. */
  77
  78 /* Compatibility with older library function names. */
  79 #define LUA_COMPAT_MOD          /* OLD: math.mod, NEW: math.fmod */
  80 #define LUA_COMPAT_GFIND        /* OLD: string.gfind, NEW: string.gmatch */
  81
  82 /* Configuration for the frontend (the luajit executable). */
  83 #if defined(luajit_c)
  84 #define LUA_PROGNAME    "luajit"  /* Fallback frontend name. */
  85 #define LUA_PROMPT      "> "    /* Interactive prompt. */
  86 #define LUA_PROMPT2     ">> "   /* Continuation prompt. */
  87 #define LUA_MAXINPUT    512     /* Max. input line length. */
  88 #endif
  89
  90 /* Note: changing the following defines breaks the Lua 5.1 ABI. */
  91 #define LUA_INTEGER     ptrdiff_t
  92 #define LUA_IDSIZE      60      /* Size of lua_Debug.short_src. */
  93 /*
  94 ** Size of lauxlib and io.* on-stack buffers. Weird workaround to avoid using
  95 ** unreasonable amounts of stack space, but still retain ABI compatibility.
  96 ** Blame Lua for depending on BUFSIZ in the ABI, blame **** for wrecking it.
  97 */
  98 #define LUAL_BUFFERSIZE (BUFSIZ > 16384 ? 8192 : BUFSIZ)
  99
 100 /* The following defines are here only for compatibility with luaconf.h
 101 ** from the standard Lua distribution. They must not be changed for LuaJIT.
 102 */
 103 #define LUA_NUMBER_DOUBLE
 104 #define LUA_NUMBER              double
 105 #define LUAI_UACNUMBER          double
 106 #define LUA_NUMBER_SCAN         "%lf"
 107 #define LUA_NUMBER_FMT          "%.14g"
 108 #define lua_number2str(s, n)    sprintf((s), LUA_NUMBER_FMT, (n))
 109 #define LUAI_MAXNUMBER2STR      32
 110 #define LUA_INTFRMLEN           "l"
 111 #define LUA_INTFRM_T            long
 112
 113 /* Linkage of public API functions. */
 114 #if defined(LUA_BUILD_AS_DLL)
 115 #if defined(LUA_CORE) || defined(LUA_LIB)
 116 #define LUA_API         __declspec(dllexport)
 117 #else
 118 #define LUA_API         __declspec(dllimport)
 119 #endif
 120 #else
 121 #define LUA_API         extern
 122 #endif
 123
 124 #define LUALIB_API      LUA_API
 125
 126 /* Support for internal assertions. */
 127 #if defined(LUA_USE_ASSERT) || defined(LUA_USE_APICHECK)
 128 #include <assert.h>
 129 #endif
 130 #ifdef LUA_USE_ASSERT
 131 #define lua_assert(x)           assert(x)
 132 #endif
 133 #ifdef LUA_USE_APICHECK
 134 #define luai_apicheck(L, o)     { (void)L; assert(o); }
 135 #else
 136 #define luai_apicheck(L, o)     { (void)L; }
 137 #endif
 138
 139 #endif