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382 lines
9.2 KiB
382 lines
9.2 KiB
/*
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** $Id: luaconf.h,v 1.33 2005/03/08 18:09:16 roberto Exp roberto $
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** Configuration file for Lua
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** See Copyright Notice in lua.h
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*/
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#ifndef lconfig_h
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#define lconfig_h
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#include <limits.h>
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#include <stddef.h>
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/*
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** {======================================================
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** Index (search for keyword to find corresponding entry)
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** =======================================================
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*/
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/* }====================================================== */
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/*
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** {======================================================
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** Generic configuration
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** =======================================================
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*/
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/* CONFIG: default path */
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#if defined(_WIN32)
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#define LUA_ROOT "C:\\Program Files\\Lua51"
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#define LUA_LDIR LUA_ROOT "\\lua"
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#define LUA_CDIR LUA_ROOT "\\dll"
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#define LUA_PATH_DEFAULT \
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"?.lua;" LUA_LDIR"\\?.lua;" LUA_LDIR"\\?\\init.lua"
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#define LUA_CPATH_DEFAULT \
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"?.dll;" "l?.dll;" LUA_CDIR"\\?.dll;" LUA_CDIR"\\l?.dll"
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#else
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#define LUA_ROOT "/usr/local"
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#define LUA_LDIR LUA_ROOT "/share/lua/5.1"
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#define LUA_CDIR LUA_ROOT "/lib/lua/5.1"
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#define LUA_PATH_DEFAULT \
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"./?.lua;" LUA_LDIR"/?.lua;" LUA_LDIR"/?/init.lua"
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#define LUA_CPATH_DEFAULT \
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"./?.so;" "./l?.so;" LUA_CDIR"/?.so;" LUA_CDIR"/l?.so"
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#endif
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/* CONFIG: directory separator (for submodules) */
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#if defined(_WIN32)
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#define LUA_DIRSEP "\\"
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#else
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#define LUA_DIRSEP "/"
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#endif
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/* CONFIG: environment variables that hold the search path for packages */
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#define LUA_PATH "LUA_PATH"
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#define LUA_CPATH "LUA_CPATH"
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/* CONFIG: prefix for open functions in C libraries */
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#define LUA_POF "luaopen_"
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/* CONFIG: separator for open functions in C libraries */
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#define LUA_OFSEP "_"
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/* CONFIG: separator of templates in a path */
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#define LUA_PATHSEP ';'
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/* CONFIG: wild char in each template */
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#define LUA_PATH_MARK "?"
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/* CONFIG: type of numbers in Lua */
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#define LUA_NUMBER double
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/* CONFIG: formats for Lua numbers */
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#define LUA_NUMBER_SCAN "%lf"
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#define LUA_NUMBER_FMT "%.14g"
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/*
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** CONFIG: type for integer functions
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** on most machines, `ptrdiff_t' gives a reasonable size for integers
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*/
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#define LUA_INTEGER ptrdiff_t
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/* CONFIG: mark for all API functions */
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#define LUA_API extern
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/* CONFIG: mark for auxlib functions */
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#define LUALIB_API extern
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/* CONFIG: buffer size used by lauxlib buffer system */
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#define LUAL_BUFFERSIZE BUFSIZ
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/* CONFIG: assertions in Lua (mainly for internal debugging) */
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#define lua_assert(c) ((void)0)
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/* }====================================================== */
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/*
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** {======================================================
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** Stand-alone configuration
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** =======================================================
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*/
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#ifdef lua_c
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/* CONFIG: definition of `isatty' */
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#ifdef _POSIX_C_SOURCE
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#include <unistd.h>
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#define stdin_is_tty() isatty(0)
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#elif defined(_WIN32)
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#include <io.h>
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#include <stdio.h>
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#define stdin_is_tty() _isatty(_fileno(stdin))
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#else
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#define stdin_is_tty() 1 /* assume stdin is a tty */
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#endif
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#define PROMPT "> "
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#define PROMPT2 ">> "
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#define PROGNAME "lua"
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/*
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** CONFIG: this macro can be used by some `history' system to save lines
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** read in manual input
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*/
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#define lua_saveline(L,line) /* empty */
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#endif
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/* }====================================================== */
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/* CONFIG: LUA-C API assertions */
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#define luac_apicheck(L,o) lua_assert(o)
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/* number of bits in an `int' */
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/* avoid overflows in comparison */
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#if INT_MAX-20 < 32760
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#define LUAC_BITSINT 16
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#elif INT_MAX > 2147483640L
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/* `int' has at least 32 bits */
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#define LUAC_BITSINT 32
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#else
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#error "you must define LUA_BITSINT with number of bits in an integer"
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#endif
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/*
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** CONFIG:
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** LUAC_UINT32: unsigned integer with at least 32 bits
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** LUAC_INT32: signed integer with at least 32 bits
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** LUAC_UMEM: an unsigned integer big enough to count the total memory
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** used by Lua
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** LUAC_MEM: a signed integer big enough to count the total memory used by Lua
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*/
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#if LUAC_BITSINT >= 32
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#define LUAC_UINT32 unsigned int
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#define LUAC_INT32 int
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#define LUAC_MAXINT32 INT_MAX
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#define LUAC_UMEM size_t
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#define LUAC_MEM ptrdiff_t
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#else
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/* 16-bit ints */
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#define LUAC_UINT32 unsigned long
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#define LUAC_INT32 long
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#define LUAC_MAXINT32 LONG_MAX
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#define LUAC_UMEM LUAC_UINT32
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#define LUAC_MEM ptrdiff_t
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#endif
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/* CONFIG: maximum depth for calls (unsigned short) */
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#define LUAC_MAXCALLS 10000
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/*
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** CONFIG: maximum depth for C calls (unsigned short): Not too big, or may
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** overflow the C stack...
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*/
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#define LUAC_MAXCCALLS 200
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/* CONFIG: maximum size for the virtual stack of a C function */
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#define LUAC_MAXCSTACK 2048
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/*
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** CONFIG: maximum number of syntactical nested non-terminals: Not too big,
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** or may overflow the C stack...
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*/
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#define LUAC_MAXPARSERLEVEL 200
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/* CONFIG: maximum number of variables declared in a function */
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#define LUAC_MAXVARS 200 /* <MAXSTACK */
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/* CONFIG: maximum number of upvalues per function */
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#define LUAC_MAXUPVALUES 60 /* <MAXSTACK */
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/* CONFIG: maximum size of expressions for optimizing `while' code */
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#define LUAC_MAXEXPWHILE 100
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/* CONFIG: function to convert a lua_Number to int (with any rounding method) */
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#if defined(__GNUC__) && defined(__i386)
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#define lua_number2int(i,d) __asm__ ("fistpl %0":"=m"(i):"t"(d):"st")
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#elif defined(_MSC_VER) && defined(_M_IX86)
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#pragma warning(disable: 4514)
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__inline int l_lrint (double flt)
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{ int i;
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_asm {
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fld flt
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fistp i
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};
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return i;
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}
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#define lua_number2int(i,d) ((i)=l_lrint((d)))
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#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199900L)
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/* on machines compliant with C99, you can try `lrint' */
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#define lua_number2int(i,d) ((i)=lrint(d))
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#else
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#define lua_number2int(i,d) ((i)=(int)(d))
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#endif
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/* CONFIG: function to convert a lua_Number to lua_Integer (with any rounding method) */
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#define lua_number2integer(i,n) lua_number2int((i), (n))
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/* CONFIG: function to convert a lua_Number to a string */
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#define lua_number2str(s,n) sprintf((s), LUA_NUMBER_FMT, (n))
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/* maximum size of previous conversion */
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#define LUAC_MAXNUMBER2STR 32 /* 16 digits, sign, point, and \0 */
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/* CONFIG: function to convert a string to a lua_Number */
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#define lua_str2number(s,p) strtod((s), (p))
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/* CONFIG: result of a `usual argument conversion' over lua_Number */
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#define LUAC_UACNUMBER double
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/* CONFIG: primitive operators for numbers */
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#define luac_numadd(a,b) ((a)+(b))
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#define luac_numsub(a,b) ((a)-(b))
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#define luac_nummul(a,b) ((a)*(b))
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#define luac_numdiv(a,b) ((a)/(b))
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#define luac_numunm(a) (-(a))
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#define luac_numeq(a,b) ((a)==(b))
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#define luac_numlt(a,b) ((a)<(b))
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#define luac_numle(a,b) ((a)<=(b))
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#define luac_nummod(a,b) ((a) - floor((a)/(b))*(b))
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#define luac_numpow(a,b) pow(a,b)
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/* CONFIG: type to ensure maximum alignment */
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#define LUAC_USER_ALIGNMENT_T union { double u; void *s; long l; }
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/*
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** CONFIG: exception handling: by default, Lua handles errors with
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** longjmp/setjmp when compiling as C code and with exceptions
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** when compiling as C++ code. Change that if you prefer to use
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** longjmp/setjmp even with C++.
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*/
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#ifndef __cplusplus
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/* default handling with long jumps */
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#define LUAC_THROW(L,c) longjmp((c)->b, 1)
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#define LUAC_TRY(L,c,a) if (setjmp((c)->b) == 0) { a }
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#define luac_jmpbuf jmp_buf
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#else
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/* C++ exceptions */
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#define LUAC_THROW(L,c) throw(c)
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#define LUAC_TRY(L,c,a) try { a } catch(...) \
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{ if ((c)->status == 0) (c)->status = -1; }
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#define luac_jmpbuf int /* dummy variable */
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#endif
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/*
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** CONFIG: macros for thread synchronization inside Lua core
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** machine: This is an attempt to simplify the implementation of a
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** multithreaded version of Lua. Do not change that unless you know
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** what you are doing. all accesses to the global state and to global
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** objects are synchronized. Because threads can read the stack of
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** other threads (when running garbage collection), a thread must also
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** synchronize any write-access to its own stack. Unsynchronized
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** accesses are allowed only when reading its own stack, or when reading
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** immutable fields from global objects (such as string values and udata
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** values).
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*/
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#define lua_lock(L) ((void) 0)
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#define lua_unlock(L) ((void) 0)
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/*
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** CONFIG: this macro allows a thread switch in appropriate places in
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** the Lua core
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*/
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#define lua_threadyield(L) {lua_unlock(L); lua_lock(L);}
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/* CONFIG: allows user-specific initialization on new threads */
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#define lua_userstateopen(L) ((void)0)
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/* CONFIG: maximum number of captures in pattern-matching (arbitrary limit) */
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#define LUA_MAXCAPTURES 32
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/*
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** CONFIG: by default, gcc does not get `os.tmpname', because it
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** generates a warning when using `tmpname'. Change that if you really
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** want (or do not want) `os.tmpname' available.
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*/
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#ifdef __GNUC__
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#define LUA_USETMPNAME 0
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#else
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#define LUA_USETMPNAME 1
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#endif
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/*
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** CONFIG: Configuration for loadlib: Lua tries to guess the
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** dynamic-library system that your platform uses (either Windows' DLL,
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** Mac's dyld, or dlopen). If your system is some kind of Unix, there is
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** a good chance that LUA_USEDLOPEN will work for it. You may need to adapt
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** also the makefile.
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*/
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#if defined(_WIN32)
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#define LUA_USEDLL
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#elif defined(__APPLE__) && defined(__MACH__)
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#define LUA_USEDYLD
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#elif defined(__linux) || defined(sun) || defined(sgi) || defined(BSD)
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#define LUA_USEDLOPEN
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#endif
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/* ======================================================= */
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/* Local configuration */
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#undef LUA_USETMPNAME
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#define LUA_USETMPNAME 1
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#endif
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