787 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			787 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
| ** $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				/* } */
 | |
| 
 | |
| #if defined(_WIN32)
 | |
| #undef LUA_API
 | |
| #define LUA_API extern "C" __declspec(dllexport)
 | |
| #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), snprintf(s,sz,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'.)
 | |
| */
 | |
| #if !defined(lua_getlocaledecpoint)
 | |
| //#define lua_getlocaledecpoint()		(localeconv()->decimal_point[0])
 | |
| #define lua_getlocaledecpoint() ('.')
 | |
| #endif
 | |
| 
 | |
| /* }================================================================== */
 | |
| 
 | |
| 
 | |
| /*
 | |
| ** {==================================================================
 | |
| ** 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")
 | |
| 
 | |
| 
 | |
| #define NS_SLUA slua
 | |
| 
 | |
| /* =================================================================== */
 | |
| 
 | |
| /*
 | |
| ** Local configuration. You can use this space to add your redefinitions
 | |
| ** without modifying the main part of the file.
 | |
| */
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 |