text: /*
  ** $Id: luaconf.h,v 1.259 2016/12/22 13:08:50 roberto Exp $
  ** Configuration file for Lua
  ** See Copyright Notice in lua.h
  */
  
  
  #ifndef luaconf_h
  #define luaconf_h
  
  #include <limits.h>
  #include <stddef.h>
  
  
  /*
  ** ===================================================================
  ** Search for "@@" to find all configurable definitions.
  ** ===================================================================
  */
  
  
  /*
  ** {====================================================================
  ** System Configuration: macros to adapt (if needed) Lua to some
  ** particular platform, for instance compiling it with 32-bit numbers or
  ** restricting it to C89.
  ** =====================================================================
  */
  
  /*
  @@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You
  ** can also define LUA_32BITS in the make file, but changing here you
  ** ensure that all software connected to Lua will be compiled with the
  ** same configuration.
  */
  /* #define LUA_32BITS */
  
  
  /*
  @@ LUA_USE_C89 controls the use of non-ISO-C89 features.
  ** Define it if you want Lua to avoid the use of a few C99 features
  ** or Windows-specific features on Windows.
  */
  /* #define LUA_USE_C89 */
  
  
  /*
  ** By default, Lua on Windows use (some) specific Windows features
  */
  #if !defined(LUA_USE_C89) && defined(_WIN32) && !defined(_WIN32_WCE)
  #define LUA_USE_WINDOWS  /* enable goodies for regular Windows */
  #endif
  
  
  #if defined(LUA_USE_WINDOWS)
  #define LUA_DL_DLL	/* enable support for DLL */
  #define LUA_USE_C89	/* broadly, Windows is C89 */
  #endif
  
  
  #if defined(LUA_USE_LINUX)
  #define LUA_USE_POSIX
  #define LUA_USE_DLOPEN		/* needs an extra library: -ldl */
  #define LUA_USE_READLINE	/* needs some extra libraries */
  #endif
  
  
  #if defined(LUA_USE_MACOSX)
  #define LUA_USE_POSIX
  #define LUA_USE_DLOPEN		/* MacOS does not need -ldl */
  #define LUA_USE_READLINE	/* needs an extra library: -lreadline */
  #endif
  
  
  /*
  @@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for
  ** C89 ('long' and 'double'); Windows always has '__int64', so it does
  ** not need to use this case.
  */
  #if defined(LUA_USE_C89) && !defined(LUA_USE_WINDOWS)
  #define LUA_C89_NUMBERS
  #endif
  
  
  
  /*
  @@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'.
  */
  /* avoid undefined shifts */
  #if ((INT_MAX >> 15) >> 15) >= 1
  #define LUAI_BITSINT	32
  #else
  /* 'int' always must have at least 16 bits */
  #define LUAI_BITSINT	16
  #endif
  
  
  /*
  @@ LUA_INT_TYPE defines the type for Lua integers.
  @@ LUA_FLOAT_TYPE defines the type for Lua floats.
  ** Lua should work fine with any mix of these options (if supported
  ** by your C compiler). The usual configurations are 64-bit integers
  ** and 'double' (the default), 32-bit integers and 'float' (for
  ** restricted platforms), and 'long'/'double' (for C compilers not
  ** compliant with C99, which may not have support for 'long long').
  */
  
  /* predefined options for LUA_INT_TYPE */
  #define LUA_INT_INT		1
  #define LUA_INT_LONG		2
  #define LUA_INT_LONGLONG	3
  
  /* predefined options for LUA_FLOAT_TYPE */
  #define LUA_FLOAT_FLOAT		1
  #define LUA_FLOAT_DOUBLE	2
  #define LUA_FLOAT_LONGDOUBLE	3
  
  #if defined(LUA_32BITS)		/* { */
  /*
  ** 32-bit integers and 'float'
  */
  #if LUAI_BITSINT >= 32  /* use 'int' if big enough */
  #define LUA_INT_TYPE	LUA_INT_INT
  #else  /* otherwise use 'long' */
  #define LUA_INT_TYPE	LUA_INT_LONG
  #endif
  #define LUA_FLOAT_TYPE	LUA_FLOAT_FLOAT
  
  #elif defined(LUA_C89_NUMBERS)	/* }{ */
  /*
  ** largest types available for C89 ('long' and 'double')
  */
  #define LUA_INT_TYPE	LUA_INT_LONG
  #define LUA_FLOAT_TYPE	LUA_FLOAT_DOUBLE
  
  #endif				/* } */
  
  
  /*
  ** default configuration for 64-bit Lua ('long long' and 'double')
  */
  #if !defined(LUA_INT_TYPE)
  #define LUA_INT_TYPE	LUA_INT_LONGLONG
  #endif
  
  #if !defined(LUA_FLOAT_TYPE)
  #define LUA_FLOAT_TYPE	LUA_FLOAT_DOUBLE
  #endif
  
  /* }================================================================== */
  
  
  
  
  /*
  ** {==================================================================
  ** Configuration for Paths.
  ** ===================================================================
  */
  
  /*
  ** LUA_PATH_SEP is the character that separates templates in a path.
  ** LUA_PATH_MARK is the string that marks the substitution points in a
  ** template.
  ** LUA_EXEC_DIR in a Windows path is replaced by the executable's
  ** directory.
  */
  #define LUA_PATH_SEP            ";"
  #define LUA_PATH_MARK           "?"
  #define LUA_EXEC_DIR            "!"
  
  
  /*
  @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
  ** Lua libraries.
  @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
  ** C libraries.
  ** CHANGE them if your machine has a non-conventional directory
  ** hierarchy or if you want to install your libraries in
  ** non-conventional directories.
  */
  #define LUA_VDIR	LUA_VERSION_MAJOR "." LUA_VERSION_MINOR
  #if defined(_WIN32)	/* { */
  /*
  ** In Windows, any exclamation mark ('!') in the path is replaced by the
  ** path of the directory of the executable file of the current process.
  */
  #define LUA_LDIR	"!\\lua\\"
  #define LUA_CDIR	"!\\"
  #define LUA_SHRDIR	"!\\..\\share\\lua\\" LUA_VDIR "\\"
  #define LUA_PATH_DEFAULT  \
  		LUA_LDIR"?.lua;"  LUA_LDIR"?\\init.lua;" \
  		LUA_CDIR"?.lua;"  LUA_CDIR"?\\init.lua;" \
  		LUA_SHRDIR"?.lua;" LUA_SHRDIR"?\\init.lua;" \
  		".\\?.lua;" ".\\?\\init.lua"
  #define LUA_CPATH_DEFAULT \
  		LUA_CDIR"?.dll;" \
  		LUA_CDIR"..\\lib\\lua\\" LUA_VDIR "\\?.dll;" \
  		LUA_CDIR"loadall.dll;" ".\\?.dll"
  
  #else			/* }{ */
  
  #define LUA_ROOT	"/usr/local/"
  #define LUA_LDIR	LUA_ROOT "share/lua/" LUA_VDIR "/"
  #define LUA_CDIR	LUA_ROOT "lib/lua/" LUA_VDIR "/"
  #define LUA_PATH_DEFAULT  \
  		LUA_LDIR"?.lua;"  LUA_LDIR"?/init.lua;" \
  		LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua;" \
  		"./?.lua;" "./?/init.lua"
  #define LUA_CPATH_DEFAULT \
  		LUA_CDIR"?.so;" LUA_CDIR"loadall.so;" "./?.so"
  #endif			/* } */
  
  
  /*
  @@ LUA_DIRSEP is the directory separator (for submodules).
  ** CHANGE it if your machine does not use "/" as the directory separator
  ** and is not Windows. (On Windows Lua automatically uses "\".)
  */
  #if defined(_WIN32)
  #define LUA_DIRSEP	"\\"
  #else
  #define LUA_DIRSEP	"/"
  #endif
  
  /* }================================================================== */
  
  
  /*
  ** {==================================================================
  ** Marks for exported symbols in the C code
  ** ===================================================================
  */
  
  /*
  @@ LUA_API is a mark for all core API functions.
  @@ LUALIB_API is a mark for all auxiliary library functions.
  @@ LUAMOD_API is a mark for all standard library opening functions.
  ** CHANGE them if you need to define those functions in some special way.
  ** For instance, if you want to create one Windows DLL with the core and
  ** the libraries, you may want to use the following definition (define
  ** LUA_BUILD_AS_DLL to get it).
  */
  #if defined(LUA_BUILD_AS_DLL)	/* { */
  
  #if defined(LUA_CORE) || defined(LUA_LIB)	/* { */
  #define LUA_API __declspec(dllexport)
  #else						/* }{ */
  #define LUA_API __declspec(dllimport)
  #endif						/* } */
  
  #else				/* }{ */
  
  #define LUA_API		extern
  
  #endif				/* } */
  
  
  /* more often than not the libs go together with the core */
  #define LUALIB_API	LUA_API
  #define LUAMOD_API	LUALIB_API
  
  
  /*
  @@ LUAI_FUNC is a mark for all extern functions that are not to be
  ** exported to outside modules.
  @@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables
  ** that are not to be exported to outside modules (LUAI_DDEF for
  ** definitions and LUAI_DDEC for declarations).
  ** CHANGE them if you need to mark them in some special way. Elf/gcc
  ** (versions 3.2 and later) mark them as "hidden" to optimize access
  ** when Lua is compiled as a shared library. Not all elf targets support
  ** this attribute. Unfortunately, gcc does not offer a way to check
  ** whether the target offers that support, and those without support
  ** give a warning about it. To avoid these warnings, change to the
  ** default definition.
  */
  #if defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
      defined(__ELF__)		/* { */
  #define LUAI_FUNC	__attribute__((visibility("hidden"))) extern
  #else				/* }{ */
  #define LUAI_FUNC	extern
  #endif				/* } */
  
  #define LUAI_DDEC	LUAI_FUNC
  #define LUAI_DDEF	/* empty */
  
  /* }================================================================== */
  
  
  /*
  ** {==================================================================
  ** Compatibility with previous versions
  ** ===================================================================
  */
  
  /*
  @@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2.
  @@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1.
  ** You can define it to get all options, or change specific options
  ** to fit your specific needs.
  */
  #if defined(LUA_COMPAT_5_2)	/* { */
  
  /*
  @@ LUA_COMPAT_MATHLIB controls the presence of several deprecated
  ** functions in the mathematical library.
  */
  #define LUA_COMPAT_MATHLIB
  
  /*
  @@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.
  */
  #define LUA_COMPAT_BITLIB
  
  /*
  @@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.
  */
  #define LUA_COMPAT_IPAIRS
  
  /*
  @@ LUA_COMPAT_APIINTCASTS controls the presence of macros for
  ** manipulating other integer types (lua_pushunsigned, lua_tounsigned,
  ** luaL_checkint, luaL_checklong, etc.)
  */
  #define LUA_COMPAT_APIINTCASTS
  
  #endif				/* } */
  
  
  #if defined(LUA_COMPAT_5_1)	/* { */
  
  /* Incompatibilities from 5.2 -> 5.3 */
  #define LUA_COMPAT_MATHLIB
  #define LUA_COMPAT_APIINTCASTS
  
  /*
  @@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.
  ** You can replace it with 'table.unpack'.
  */
  #define LUA_COMPAT_UNPACK
  
  /*
  @@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'.
  ** You can replace it with 'package.searchers'.
  */
  #define LUA_COMPAT_LOADERS
  
  /*
  @@ macro 'lua_cpcall' emulates deprecated function lua_cpcall.
  ** You can call your C function directly (with light C functions).
  */
  #define lua_cpcall(L,f,u)  \
  	(lua_pushcfunction(L, (f)), \
  	 lua_pushlightuserdata(L,(u)), \
  	 lua_pcall(L,1,0,0))
  
  
  /*
  @@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library.
  ** You can rewrite 'log10(x)' as 'log(x, 10)'.
  */
  #define LUA_COMPAT_LOG10
  
  /*
  @@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base
  ** library. You can rewrite 'loadstring(s)' as 'load(s)'.
  */
  #define LUA_COMPAT_LOADSTRING
  
  /*
  @@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library.
  */
  #define LUA_COMPAT_MAXN
  
  /*
  @@ The following macros supply trivial compatibility for some
  ** changes in the API. The macros themselves document how to
  ** change your code to avoid using them.
  */
  #define lua_strlen(L,i)		lua_rawlen(L, (i))
  
  #define lua_objlen(L,i)		lua_rawlen(L, (i))
  
  #define lua_equal(L,idx1,idx2)		lua_compare(L,(idx1),(idx2),LUA_OPEQ)
  #define lua_lessthan(L,idx1,idx2)	lua_compare(L,(idx1),(idx2),LUA_OPLT)
  
  /*
  @@ LUA_COMPAT_MODULE controls compatibility with previous
  ** module functions 'module' (Lua) and 'luaL_register' (C).
  */
  #define LUA_COMPAT_MODULE
  
  #endif				/* } */
  
  
  /*
  @@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
  @@ a float mark ('.0').
  ** This macro is not on by default even in compatibility mode,
  ** because this is not really an incompatibility.
  */
  /* #define LUA_COMPAT_FLOATSTRING */
  
  /* }================================================================== */
  
  
  
  /*
  ** {==================================================================
  ** Configuration for Numbers.
  ** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_*
  ** satisfy your needs.
  ** ===================================================================
  */
  
  /*
  @@ LUA_NUMBER is the floating-point type used by Lua.
  @@ LUAI_UACNUMBER is the result of a 'default argument promotion'
  @@ over a floating number.
  @@ l_mathlim(x) corrects limit name 'x' to the proper float type
  ** by prefixing it with one of FLT/DBL/LDBL.
  @@ LUA_NUMBER_FRMLEN is the length modifier for writing floats.
  @@ LUA_NUMBER_FMT is the format for writing floats.
  @@ lua_number2str converts a float to a string.
  @@ l_mathop allows the addition of an 'l' or 'f' to all math operations.
  @@ l_floor takes the floor of a float.
  @@ lua_str2number converts a decimal numeric string to a number.
  */
  
  
  /* The following definitions are good for most cases here */
  
  #define l_floor(x)		(l_mathop(floor)(x))
  
  #define lua_number2str(s,sz,n)  \
  	l_sprintf((s), sz, LUA_NUMBER_FMT, (LUAI_UACNUMBER)(n))
  
  /*
  @@ lua_numbertointeger converts a float number to an integer, or
  ** returns 0 if float is not within the range of a lua_Integer.
  ** (The range comparisons are tricky because of rounding. The tests
  ** here assume a two-complement representation, where MININTEGER always
  ** has an exact representation as a float; MAXINTEGER may not have one,
  ** and therefore its conversion to float may have an ill-defined value.)
  */
  #define lua_numbertointeger(n,p) \
    ((n) >= (LUA_NUMBER)(LUA_MININTEGER) && \
     (n) < -(LUA_NUMBER)(LUA_MININTEGER) && \
        (*(p) = (LUA_INTEGER)(n), 1))
  
  
  /* now the variable definitions */
  
  #if LUA_FLOAT_TYPE == LUA_FLOAT_FLOAT		/* { single float */
  
  #define LUA_NUMBER	float
  
  #define l_mathlim(n)		(FLT_##n)
  
  #define LUAI_UACNUMBER	double
  
  #define LUA_NUMBER_FRMLEN	""
  #define LUA_NUMBER_FMT		"%.7g"
  
  #define l_mathop(op)		op##f
  
  #define lua_str2number(s,p)	strtof((s), (p))
  
  
  #elif LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE	/* }{ long double */
  
  #define LUA_NUMBER	long double
  
  #define l_mathlim(n)		(LDBL_##n)
  
  #define LUAI_UACNUMBER	long double
  
  #define LUA_NUMBER_FRMLEN	"L"
  #define LUA_NUMBER_FMT		"%.19Lg"
  
  #define l_mathop(op)		op##l
  
  #define lua_str2number(s,p)	strtold((s), (p))
  
  #elif LUA_FLOAT_TYPE == LUA_FLOAT_DOUBLE	/* }{ double */
  
  #define LUA_NUMBER	double
  
  #define l_mathlim(n)		(DBL_##n)
  
  #define LUAI_UACNUMBER	double
  
  #define LUA_NUMBER_FRMLEN	""
  #define LUA_NUMBER_FMT		"%.14g"
  
  #define l_mathop(op)		op
  
  #define lua_str2number(s,p)	strtod((s), (p))
  
  #else						/* }{ */
  
  #error "numeric float type not defined"
  
  #endif					/* } */
  
  
  
  /*
  @@ LUA_INTEGER is the integer type used by Lua.
  **
  @@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER.
  **
  @@ LUAI_UACINT is the result of a 'default argument promotion'
  @@ over a lUA_INTEGER.
  @@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers.
  @@ LUA_INTEGER_FMT is the format for writing integers.
  @@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.
  @@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.
  @@ lua_integer2str converts an integer to a string.
  */
  
  
  /* The following definitions are good for most cases here */
  
  #define LUA_INTEGER_FMT		"%" LUA_INTEGER_FRMLEN "d"
  
  #define LUAI_UACINT		LUA_INTEGER
  
  #define lua_integer2str(s,sz,n)  \
  	l_sprintf((s), sz, LUA_INTEGER_FMT, (LUAI_UACINT)(n))
  
  /*
  ** use LUAI_UACINT here to avoid problems with promotions (which
  ** can turn a comparison between unsigneds into a signed comparison)
  */
  #define LUA_UNSIGNED		unsigned LUAI_UACINT
  
  
  /* now the variable definitions */
  
  #if LUA_INT_TYPE == LUA_INT_INT		/* { int */
  
  #define LUA_INTEGER		int
  #define LUA_INTEGER_FRMLEN	""
  
  #define LUA_MAXINTEGER		INT_MAX
  #define LUA_MININTEGER		INT_MIN
  
  #elif LUA_INT_TYPE == LUA_INT_LONG	/* }{ long */
  
  #define LUA_INTEGER		long
  #define LUA_INTEGER_FRMLEN	"l"
  
  #define LUA_MAXINTEGER		LONG_MAX
  #define LUA_MININTEGER		LONG_MIN
  
  #elif LUA_INT_TYPE == LUA_INT_LONGLONG	/* }{ long long */
  
  /* use presence of macro LLONG_MAX as proxy for C99 compliance */
  #if defined(LLONG_MAX)		/* { */
  /* use ISO C99 stuff */
  
  #define LUA_INTEGER		long long
  #define LUA_INTEGER_FRMLEN	"ll"
  
  #define LUA_MAXINTEGER		LLONG_MAX
  #define LUA_MININTEGER		LLONG_MIN
  
  #elif defined(LUA_USE_WINDOWS) /* }{ */
  /* in Windows, can use specific Windows types */
  
  #define LUA_INTEGER		__int64
  #define LUA_INTEGER_FRMLEN	"I64"
  
  #define LUA_MAXINTEGER		_I64_MAX
  #define LUA_MININTEGER		_I64_MIN
  
  #else				/* }{ */
  
  #error "Compiler does not support 'long long'. Use option '-DLUA_32BITS' \
    or '-DLUA_C89_NUMBERS' (see file 'luaconf.h' for details)"
  
  #endif				/* } */
  
  #else				/* }{ */
  
  #error "numeric integer type not defined"
  
  #endif				/* } */
  
  /* }================================================================== */
  
  
  /*
  ** {==================================================================
  ** Dependencies with C99 and other C details
  ** ===================================================================
  */
  
  /*
  @@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89.
  ** (All uses in Lua have only one format item.)
  */
  #if !defined(LUA_USE_C89)
  #define l_sprintf(s,sz,f,i)	snprintf(s,sz,f,i)
  #else
  #define l_sprintf(s,sz,f,i)	((void)(sz), sprintf(s,f,i))
  #endif
  
  
  /*
  @@ lua_strx2number converts an hexadecimal numeric string to a number.
  ** In C99, 'strtod' does that conversion. Otherwise, you can
  ** leave 'lua_strx2number' undefined and Lua will provide its own
  ** implementation.
  */
  #if !defined(LUA_USE_C89)
  #define lua_strx2number(s,p)		lua_str2number(s,p)
  #endif
  
  
  /*
  @@ lua_number2strx converts a float to an hexadecimal numeric string.
  ** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that.
  ** Otherwise, you can leave 'lua_number2strx' undefined and Lua will
  ** provide its own implementation.
  */
  #if !defined(LUA_USE_C89)
  #define lua_number2strx(L,b,sz,f,n)  \
  	((void)L, l_sprintf(b,sz,f,(LUAI_UACNUMBER)(n)))
  #endif
  
  
  /*
  ** 'strtof' and 'opf' variants for math functions are not valid in
  ** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the
  ** availability of these variants. ('math.h' is already included in
  ** all files that use these macros.)
  */
  #if defined(LUA_USE_C89) || (defined(HUGE_VAL) && !defined(HUGE_VALF))
  #undef l_mathop  /* variants not available */
  #undef lua_str2number
  #define l_mathop(op)		(lua_Number)op  /* no variant */
  #define lua_str2number(s,p)	((lua_Number)strtod((s), (p)))
  #endif
  
  
  /*
  @@ LUA_KCONTEXT is the type of the context ('ctx') for continuation
  ** functions.  It must be a numerical type; Lua will use 'intptr_t' if
  ** available, otherwise it will use 'ptrdiff_t' (the nearest thing to
  ** 'intptr_t' in C89)
  */
  #define LUA_KCONTEXT	ptrdiff_t
  
  #if !defined(LUA_USE_C89) && defined(__STDC_VERSION__) && \
      __STDC_VERSION__ >= 199901L
  #include <stdint.h>
  #if defined(INTPTR_MAX)  /* even in C99 this type is optional */
  #undef LUA_KCONTEXT
  #define LUA_KCONTEXT	intptr_t
  #endif
  #endif
  
  
  /*
  @@ lua_getlocaledecpoint gets the locale "radix character" (decimal point).
  ** Change that if you do not want to use C locales. (Code using this
  ** macro must include header 'locale.h'.)
  */
  #define lua_getlocaledecpoint()		'.'		// ark modify
  
  #if !defined(lua_getlocaledecpoint)
  #define lua_getlocaledecpoint()		(localeconv()->decimal_point[0])
  #endif
  
  /* }================================================================== */
  
  
  // ark modify
  #if !defined(log2)
  #define log2(x) (log(x) * 1.44269504088896340736)
  #endif /* log2 */
  
  
  /*
  ** {==================================================================
  ** Language Variations
  ** =====================================================================
  */
  
  /*
  @@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some
  ** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from
  ** numbers to strings. Define LUA_NOCVTS2N to turn off automatic
  ** coercion from strings to numbers.
  */
  /* #define LUA_NOCVTN2S */
  /* #define LUA_NOCVTS2N */
  
  
  /*
  @@ LUA_USE_APICHECK turns on several consistency checks on the C API.
  ** Define it as a help when debugging C code.
  */
  #if defined(LUA_USE_APICHECK)
  #include <assert.h>
  #define luai_apicheck(l,e)	assert(e)
  #endif
  
  /* }================================================================== */
  
  
  /*
  ** {==================================================================
  ** Macros that affect the API and must be stable (that is, must be the
  ** same when you compile Lua and when you compile code that links to
  ** Lua). You probably do not want/need to change them.
  ** =====================================================================
  */
  
  /*
  @@ LUAI_MAXSTACK limits the size of the Lua stack.
  ** CHANGE it if you need a different limit. This limit is arbitrary;
  ** its only purpose is to stop Lua from consuming unlimited stack
  ** space (and to reserve some numbers for pseudo-indices).
  */
  #if LUAI_BITSINT >= 32
  #define LUAI_MAXSTACK		1000000
  #else
  #define LUAI_MAXSTACK		15000
  #endif
  
  
  /*
  @@ LUA_EXTRASPACE defines the size of a raw memory area associated with
  ** a Lua state with very fast access.
  ** CHANGE it if you need a different size.
  */
  #define LUA_EXTRASPACE		(sizeof(void *))
  
  
  /*
  @@ LUA_IDSIZE gives the maximum size for the description of the source
  @@ of a function in debug information.
  ** CHANGE it if you want a different size.
  */
  #define LUA_IDSIZE	60
  
  
  /*
  @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
  ** CHANGE it if it uses too much C-stack space. (For long double,
  ** 'string.format("%.99f", -1e4932)' needs 5034 bytes, so a
  ** smaller buffer would force a memory allocation for each call to
  ** 'string.format'.)
  */
  #if LUA_FLOAT_TYPE == LUA_FLOAT_LONGDOUBLE
  #define LUAL_BUFFERSIZE		8192
  #else
  #define LUAL_BUFFERSIZE   ((int)(0x80 * sizeof(void*) * sizeof(lua_Integer)))
  #endif
  
  /* }================================================================== */
  
  
  /*
  @@ LUA_QL describes how error messages quote program elements.
  ** Lua does not use these macros anymore; they are here for
  ** compatibility only.
  */
  #define LUA_QL(x)	"'" x "'"
  #define LUA_QS		LUA_QL("%s")
  
  
  
  
  /* =================================================================== */
  
  /*
  ** Local configuration. You can use this space to add your redefinitions
  ** without modifying the main part of the file.
  */
  
  
  
  
  
  #endif
  
  