src/luaconf.h

   1 /*
   2 ** Configuration header.
   3 ** Copyright (C) 2005-2011 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 #define LUA_ROOT        "/usr/local/"
  26 #define LUA_LDIR        LUA_ROOT "share/lua/5.1/"
  27 #define LUA_CDIR        LUA_ROOT "lib/lua/5.1/"
  28 #ifdef LUA_XROOT
  29 #define LUA_JDIR        LUA_XROOT "share/luajit-2.0.0-beta8/"
  30 #define LUA_XPATH \
  31   ";" LUA_XROOT "share/lua/5.1/?.lua;" LUA_XROOT "share/lua/5.1/?/init.lua"
  32 #define LUA_XCPATH      LUA_XROOT "lib/lua/5.1/?.so;"
  33 #else
  34 #define LUA_JDIR        LUA_ROOT "share/luajit-2.0.0-beta8/"
  35 #define LUA_XPATH
  36 #define LUA_XCPATH
  37 #endif
  38 #define LUA_PATH_DEFAULT \
  39   "./?.lua;" LUA_JDIR"?.lua;" LUA_LDIR"?.lua;" LUA_LDIR"?/init.lua" LUA_XPATH
  40 #define LUA_CPATH_DEFAULT \
  41   "./?.so;" LUA_CDIR"?.so;" LUA_XCPATH LUA_CDIR"loadall.so"
  42 #endif
  43
  44 /* Environment variable names for path overrides and initialization code. */
  45 #define LUA_PATH        "LUA_PATH"
  46 #define LUA_CPATH       "LUA_CPATH"
  47 #define LUA_INIT        "LUA_INIT"
  48
  49 /* Special file system characters. */
  50 #if defined(_WIN32)
  51 #define LUA_DIRSEP      "\\"
  52 #else
  53 #define LUA_DIRSEP      "/"
  54 #endif
  55 #define LUA_PATHSEP     ";"
  56 #define LUA_PATH_MARK   "?"
  57 #define LUA_EXECDIR     "!"
  58 #define LUA_IGMARK      "-"
  59 #define LUA_PATH_CONFIG \
  60   LUA_DIRSEP "\n" LUA_PATHSEP "\n" LUA_PATH_MARK "\n" \
  61   LUA_EXECDIR "\n" LUA_IGMARK
  62
  63 /* Quoting in error messages. */
  64 #define LUA_QL(x)       "'" x "'"
  65 #define LUA_QS          LUA_QL("%s")
  66
  67 /* Various tunables. */
  68 #define LUAI_MAXSTACK   65500   /* Max. # of stack slots for a thread (<64K). */
  69 #define LUAI_MAXCSTACK  8000    /* Max. # of stack slots for a C func (<10K). */
  70 #define LUAI_GCPAUSE    200     /* Pause GC until memory is at 200%. */
  71 #define LUAI_GCMUL      200     /* Run GC at 200% of allocation speed. */
  72 #define LUA_MAXCAPTURES 32      /* Max. pattern captures. */
  73
  74 /* Compatibility with older library function names. */
  75 #define LUA_COMPAT_MOD          /* OLD: math.mod, NEW: math.fmod */
  76 #define LUA_COMPAT_GFIND        /* OLD: string.gfind, NEW: string.gmatch */
  77
  78 /* Configuration for the frontend (the luajit executable). */
  79 #if defined(luajit_c)
  80 #define LUA_PROGNAME    "luajit"  /* Fallback frontend name. */
  81 #define LUA_PROMPT      "> "    /* Interactive prompt. */
  82 #define LUA_PROMPT2     ">> "   /* Continuation prompt. */
  83 #define LUA_MAXINPUT    512     /* Max. input line length. */
  84 #endif
  85
  86 /* Note: changing the following defines breaks the Lua 5.1 ABI. */
  87 #define LUA_INTEGER     ptrdiff_t
  88 #define LUA_IDSIZE      60      /* Size of lua_Debug.short_src. */
  89 #define LUAL_BUFFERSIZE BUFSIZ  /* Size of lauxlib and io.* buffers. */
  90
  91 /* The following defines are here only for compatibility with luaconf.h
  92 ** from the standard Lua distribution. They must not be changed for LuaJIT.
  93 */
  94 #define LUA_NUMBER_DOUBLE
  95 #define LUA_NUMBER              double
  96 #define LUAI_UACNUMBER          double
  97 #define LUA_NUMBER_SCAN         "%lf"
  98 #define LUA_NUMBER_FMT          "%.14g"
  99 #define lua_number2str(s, n)    sprintf((s), LUA_NUMBER_FMT, (n))
 100 #define LUAI_MAXNUMBER2STR      32
 101 #define lua_str2number(s, p)    strtod((s), (p))
 102 #define LUA_INTFRMLEN           "l"
 103 #define LUA_INTFRM_T            long
 104
 105 /* Linkage of public API functions. */
 106 #if defined(LUA_BUILD_AS_DLL)
 107 #if defined(LUA_CORE) || defined(LUA_LIB)
 108 #define LUA_API         __declspec(dllexport)
 109 #else
 110 #define LUA_API         __declspec(dllimport)
 111 #endif
 112 #else
 113 #define LUA_API         extern
 114 #endif
 115
 116 #define LUALIB_API      LUA_API
 117
 118 /* Support for internal assertions. */
 119 #if defined(LUA_USE_ASSERT) || defined(LUA_USE_APICHECK)
 120 #include <assert.h>
 121 #endif
 122 #ifdef LUA_USE_ASSERT
 123 #define lua_assert(x)           assert(x)
 124 #endif
 125 #ifdef LUA_USE_APICHECK
 126 #define luai_apicheck(L, o)     { (void)L; assert(o); }
 127 #else
 128 #define luai_apicheck(L, o)     { (void)L; }
 129 #endif
 130
 131 #endif