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			763 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			763 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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| ** $Id$
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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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| 
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| 
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| #ifndef lconfig_h
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| #define lconfig_h
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| 
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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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| /*
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| ** ==================================================================
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| ** Search for "@@" to find all configurable definitions.
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| ** ===================================================================
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| */
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| 
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| 
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| /*
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| @@ LUA_ANSI controls the use of non-ansi features.
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| ** CHANGE it (define it) if you want Lua to avoid the use of any
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| ** non-ansi feature or library.
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| */
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| #if defined(__STRICT_ANSI__)
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| #define LUA_ANSI
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| #endif
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| 
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| 
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| #if !defined(LUA_ANSI) && defined(_WIN32)
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| #define LUA_WIN
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| #endif
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| 
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| #if defined(LUA_USE_LINUX)
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| #define LUA_USE_POSIX
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| #define LUA_USE_DLOPEN		/* needs an extra library: -ldl */
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| #define LUA_USE_READLINE	/* needs some extra libraries */
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| #endif
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| 
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| #if defined(LUA_USE_MACOSX)
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| #define LUA_USE_POSIX
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| #define LUA_DL_DYLD		/* does not need extra library */
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| #endif
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| 
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| 
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| 
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| /*
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| @@ LUA_USE_POSIX includes all functionallity listed as X/Open System
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| @* Interfaces Extension (XSI).
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| ** CHANGE it (define it) if your system is XSI compatible.
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| */
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| #if defined(LUA_USE_POSIX)
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| #define LUA_USE_MKSTEMP
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| #define LUA_USE_ISATTY
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| #define LUA_USE_POPEN
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| #define LUA_USE_ULONGJMP
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| #endif
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| 
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| 
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| /*
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| @@ LUA_PATH and LUA_CPATH are the names of the environment variables that
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| @* Lua check to set its paths.
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| @@ LUA_INIT is the name of the environment variable that Lua
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| @* checks for initialization code.
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| ** CHANGE them if you want different names.
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| */
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| #define LUA_PATH        "LUA_PATH"
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| #define LUA_CPATH       "LUA_CPATH"
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| #define LUA_INIT	"LUA_INIT"
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| 
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| 
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| /*
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| @@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
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| @* Lua libraries.
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| @@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
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| @* C libraries.
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| ** CHANGE them if your machine has a non-conventional directory
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| ** hierarchy or if you want to install your libraries in
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| ** non-conventional directories.
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| */
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| #if defined(_WIN32)
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| /*
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| ** In Windows, any exclamation mark ('!') in the path is replaced by the
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| ** path of the directory of the executable file of the current process.
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| */
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| #define LUA_LDIR	"!\\lua\\"
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| #define LUA_CDIR	"!\\"
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| #define LUA_PATH_DEFAULT  \
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| 		".\\?.lua;"  LUA_LDIR"?.lua;"  LUA_LDIR"?\\init.lua;" \
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| 		             LUA_CDIR"?.lua;"  LUA_CDIR"?\\init.lua"
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| #define LUA_CPATH_DEFAULT \
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| 	".\\?.dll;"  LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll"
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| 
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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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| 		            LUA_CDIR"?.lua;"  LUA_CDIR"?/init.lua"
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| #define LUA_CPATH_DEFAULT \
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| 	"./?.so;"  LUA_CDIR"?.so;" LUA_CDIR"loadall.so"
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| #endif
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| 
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| 
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| /*
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| @@ LUA_DIRSEP is the directory separator (for submodules).
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| ** CHANGE it if your machine does not use "/" as the directory separator
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| ** and is not Windows. (On Windows Lua automatically uses "\".)
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| */
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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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| 
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| 
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| /*
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| @@ LUA_PATHSEP is the character that separates templates in a path.
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| @@ LUA_PATH_MARK is the string that marks the substitution points in a
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| @* template.
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| @@ LUA_EXECDIR in a Windows path is replaced by the executable's
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| @* directory.
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| @@ LUA_IGMARK is a mark to ignore all before it when bulding the
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| @* luaopen_ function name.
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| ** CHANGE them if for some reason your system cannot use those
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| ** characters. (E.g., if one of those characters is a common character
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| ** in file/directory names.) Probably you do not need to change them.
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| */
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| #define LUA_PATHSEP	";"
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| #define LUA_PATH_MARK	"?"
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| #define LUA_EXECDIR	"!"
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| #define LUA_IGMARK	"-"
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| 
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| 
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| /*
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| @@ LUA_INTEGER is the integral type used by lua_pushinteger/lua_tointeger.
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| ** CHANGE that if ptrdiff_t is not adequate on your machine. (On most
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| ** machines, ptrdiff_t gives a good choice between int or long.)
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| */
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| #define LUA_INTEGER	ptrdiff_t
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| 
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| 
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| /*
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| @@ LUA_API is a mark for all core API functions.
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| @@ LUALIB_API is a mark for all standard library functions.
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| ** CHANGE them if you need to define those functions in some special way.
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| ** For instance, if you want to create one Windows DLL with the core and
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| ** the libraries, you may want to use the following definition (define
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| ** LUA_BUILD_AS_DLL to get it).
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| */
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| #if defined(LUA_BUILD_AS_DLL)
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| 
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| #if defined(LUA_CORE) || defined(LUA_LIB)
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| #define LUA_API __declspec(dllexport)
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| #else
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| #define LUA_API __declspec(dllimport)
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| #endif
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| 
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| #else
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| 
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| #define LUA_API		extern
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| 
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| #endif
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| 
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| /* more often than not the libs go together with the core */
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| #define LUALIB_API	LUA_API
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| 
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| 
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| /*
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| @@ LUAI_FUNC is a mark for all extern functions that are not to be
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| @* exported to outside modules.
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| @@ LUAI_DATA is a mark for all extern (const) variables that are not to
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| @* be exported to outside modules.
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| ** CHANGE them if you need to mark them in some special way. Elf/gcc
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| ** (versions 3.2 and later) mark them as "hidden" to optimize access
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| ** when Lua is compiled as a shared library.
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| */
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| #if defined(luaall_c)
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| #define LUAI_FUNC	static
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| #define LUAI_DATA	/* empty */
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| 
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| #elif defined(__GNUC__) && ((__GNUC__*100 + __GNUC_MINOR__) >= 302) && \
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|       defined(__ELF__)
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| #define LUAI_FUNC	__attribute__((visibility("hidden"))) extern
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| #define LUAI_DATA	LUAI_FUNC
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| 
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| #else
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| #define LUAI_FUNC	extern
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| #define LUAI_DATA	extern
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| #endif
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| 
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| 
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| 
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| /*
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| @@ LUA_QL describes how error messages quote program elements.
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| ** CHANGE it if you want a different appearance.
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| */
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| #define LUA_QL(x)	"'" x "'"
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| #define LUA_QS		LUA_QL("%s")
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| 
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| 
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| /*
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| @@ LUA_IDSIZE gives the maximum size for the description of the source
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| @* of a function in debug information.
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| ** CHANGE it if you want a different size.
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| */
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| #define LUA_IDSIZE	60
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| 
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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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| 
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| #if defined(lua_c) || defined(luaall_c)
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| 
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| /*
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| @@ lua_stdin_is_tty detects whether the standard input is a 'tty' (that
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| @* is, whether we're running lua interactively).
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| ** CHANGE it if you have a better definition for non-POSIX/non-Windows
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| ** systems.
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| */
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| #if defined(LUA_USE_ISATTY)
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| #include <unistd.h>
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| #define lua_stdin_is_tty()	isatty(0)
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| #elif defined(LUA_WIN)
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| #include <io.h>
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| #include <stdio.h>
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| #define lua_stdin_is_tty()	_isatty(_fileno(stdin))
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| #else
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| #define lua_stdin_is_tty()	1  /* assume stdin is a tty */
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| #endif
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| 
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| 
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| /*
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| @@ LUA_PROMPT is the default prompt used by stand-alone Lua.
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| @@ LUA_PROMPT2 is the default continuation prompt used by stand-alone Lua.
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| ** CHANGE them if you want different prompts. (You can also change the
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| ** prompts dynamically, assigning to globals _PROMPT/_PROMPT2.)
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| */
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| #define LUA_PROMPT		"> "
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| #define LUA_PROMPT2		">> "
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| 
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| 
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| /*
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| @@ LUA_PROGNAME is the default name for the stand-alone Lua program.
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| ** CHANGE it if your stand-alone interpreter has a different name and
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| ** your system is not able to detect that name automatically.
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| */
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| #define LUA_PROGNAME		"lua"
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| 
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| 
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| /*
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| @@ LUA_MAXINPUT is the maximum length for an input line in the
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| @* stand-alone interpreter.
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| ** CHANGE it if you need longer lines.
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| */
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| #define LUA_MAXINPUT	512
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| 
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| 
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| /*
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| @@ lua_readline defines how to show a prompt and then read a line from
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| @* the standard input.
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| @@ lua_saveline defines how to "save" a read line in a "history".
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| @@ lua_freeline defines how to free a line read by lua_readline.
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| ** CHANGE them if you want to improve this functionality (e.g., by using
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| ** GNU readline and history facilities).
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| */
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| #if defined(LUA_USE_READLINE)
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| #include <stdio.h>
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| #include <readline/readline.h>
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| #include <readline/history.h>
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| #define lua_readline(L,b,p)	((void)L, ((b)=readline(p)) != NULL)
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| #define lua_saveline(L,idx) \
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| 	if (lua_strlen(L,idx) > 0)  /* non-empty line? */ \
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| 	  add_history(lua_tostring(L, idx));  /* add it to history */
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| #define lua_freeline(L,b)	((void)L, free(b))
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| #else
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| #define lua_readline(L,b,p)	\
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| 	((void)L, fputs(p, stdout), fflush(stdout),  /* show prompt */ \
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| 	fgets(b, LUA_MAXINPUT, stdin) != NULL)  /* get line */
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| #define lua_saveline(L,idx)	{ (void)L; (void)idx; }
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| #define lua_freeline(L,b)	{ (void)L; (void)b; }
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| #endif
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| 
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| #endif
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| 
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| /* }================================================================== */
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| 
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| 
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| /*
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| @@ LUAI_GCPAUSE defines the default pause between garbage-collector cycles
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| @* as a percentage.
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| ** CHANGE it if you want the GC to run faster or slower (higher values
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| ** mean larger pauses which mean slower collection.) You can also change
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| ** this value dynamically.
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| */
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| #define LUAI_GCPAUSE	200  /* 200% (wait memory to double before next GC) */
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| 
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| 
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| /*
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| @@ LUAI_GCMUL defines the default speed of garbage collection relative to
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| @* memory allocation as a percentage.
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| ** CHANGE it if you want to change the granularity of the garbage
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| ** collection. (Higher values mean coarser collections. 0 represents
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| ** infinity, where each step performs a full collection.) You can also
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| ** change this value dynamically.
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| */
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| #define LUAI_GCMUL	200 /* GC runs 'twice the speed' of memory allocation */
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| 
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| 
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| 
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| /*
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| @@ LUA_COMPAT_GETN controls compatibility with old getn behavior.
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| ** CHANGE it (define it) if you want exact compatibility with the
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| ** behavior of setn/getn in Lua 5.0.
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| */
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| #undef LUA_COMPAT_GETN
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| 
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| /*
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| @@ LUA_COMPAT_LOADLIB controls compatibility about global loadlib.
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| ** CHANGE it to undefined as soon as you do not need a global 'loadlib'
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| ** function (the function is still available as 'package.loadlib').
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| */
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| #undef LUA_COMPAT_LOADLIB
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| 
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| /*
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| @@ LUA_COMPAT_VARARG controls compatibility with old vararg feature.
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| ** CHANGE it to undefined as soon as your programs use only '...' to
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| ** access vararg parameters (instead of the old 'arg' table).
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| */
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| #undef LUA_COMPAT_VARARG
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| 
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| /*
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| @@ LUA_COMPAT_MOD controls compatibility with old math.mod function.
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| ** CHANGE it to undefined as soon as your programs use 'math.fmod' or
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| ** the new '%' operator instead of 'math.mod'.
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| */
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| #undef LUA_COMPAT_MOD
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| 
 | |
| /*
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| @@ LUA_COMPAT_LSTR controls compatibility with old long string nesting
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| @* facility.
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| ** CHANGE it to 2 if you want the old behaviour, or undefine it to turn
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| ** off the advisory error when nesting [[...]].
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| */
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| #undef LUA_COMPAT_LSTR
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| 
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| /*
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| @@ LUA_COMPAT_GFIND controls compatibility with old 'string.gfind' name.
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| ** CHANGE it to undefined as soon as you rename 'string.gfind' to
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| ** 'string.gmatch'.
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| */
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| #undef LUA_COMPAT_GFIND
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| 
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| /*
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| @@ LUA_COMPAT_OPENLIB controls compatibility with old 'luaL_openlib'
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| @* behavior.
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| ** CHANGE it to undefined as soon as you replace to 'luaL_registry'
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| ** your uses of 'luaL_openlib'
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| */
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| #undef LUA_COMPAT_OPENLIB
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| 
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| 
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| 
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| /*
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| @@ luai_apicheck is the assert macro used by the Lua-C API.
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| ** CHANGE luai_apicheck if you want Lua to perform some checks in the
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| ** parameters it gets from API calls. This may slow down the interpreter
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| ** a bit, but may be quite useful when debugging C code that interfaces
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| ** with Lua. A useful redefinition is to use assert.h.
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| */
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| #if defined(LUA_USE_APICHECK)
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| #include <assert.h>
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| #define luai_apicheck(L,o)	{ (void)L; assert(o); }
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| #else
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| #define luai_apicheck(L,o)	{ (void)L; }
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| #endif
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| 
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| 
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| /*
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| @@ LUAI_BITSINT defines the number of bits in an int.
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| ** CHANGE here if Lua cannot automatically detect the number of bits of
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| ** your machine. Probably you do not need to change this.
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| */
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| /* avoid overflows in comparison */
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| #if INT_MAX-20 < 32760
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| #define LUAI_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 LUAI_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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| 
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| /*
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| @@ LUAI_UINT32 is an unsigned integer with at least 32 bits.
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| @@ LUAI_INT32 is an signed integer with at least 32 bits.
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| @@ LUAI_UMEM is an unsigned integer big enough to count the total
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| @* memory used by Lua.
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| @@ LUAI_MEM is a signed integer big enough to count the total memory
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| @* used by Lua.
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| ** CHANGE here if for some weird reason the default definitions are not
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| ** good enough for your machine. (The definitions in the 'else'
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| ** part always works, but may waste space on machines with 64-bit
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| ** longs.) Probably you do not need to change this.
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| */
 | |
| #if LUAI_BITSINT >= 32
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| #define LUAI_UINT32	unsigned int
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| #define LUAI_INT32	int
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| #define LUAI_MAXINT32	INT_MAX
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| #define LUAI_UMEM	size_t
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| #define LUAI_MEM	ptrdiff_t
 | |
| #else
 | |
| /* 16-bit ints */
 | |
| #define LUAI_UINT32	unsigned long
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| #define LUAI_INT32	long
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| #define LUAI_MAXINT32	LONG_MAX
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| #define LUAI_UMEM	unsigned long
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| #define LUAI_MEM	long
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| #endif
 | |
| 
 | |
| 
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| /*
 | |
| @@ LUAI_MAXCALLS limits the number of nested calls.
 | |
| ** CHANGE it if you need really deep recursive calls. This limit is
 | |
| ** arbitrary; its only purpose is to stop infinite recursion before
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| ** exhausting memory.
 | |
| */
 | |
| #define LUAI_MAXCALLS	20000
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_MAXCSTACK limits the number of Lua stack slots that a C function
 | |
| @* can use.
 | |
| ** CHANGE it if you need lots of (Lua) stack space for your C
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| ** functions. This limit is arbitrary; its only purpose is to stop C
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| ** functions to consume unlimited stack space. (must be smaller than
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| ** -LUA_REGISTRYINDEX)
 | |
| */
 | |
| #define LUAI_MAXCSTACK 8000
 | |
| 
 | |
| 
 | |
| 
 | |
| /*
 | |
| ** {==================================================================
 | |
| ** CHANGE (to smaller values) the following definitions if your system
 | |
| ** has a small C stack. (Or you may want to change them to larger
 | |
| ** values if your system has a large C stack and these limits are
 | |
| ** too rigid for you.) Some of these constants control the size of
 | |
| ** stack-allocated arrays used by the compiler or the interpreter, while
 | |
| ** others limit the maximum number of recursive calls that the compiler
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| ** or the interpreter can perform. Values too large may cause a C stack
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| ** overflow for some forms of deep constructs.
 | |
| ** ===================================================================
 | |
| */
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_MAXCCALLS is the maximum depth for nested C calls (short) and
 | |
| @* syntactical nested non-terminals in a program.
 | |
| */
 | |
| #define LUAI_MAXCCALLS		200
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_MAXVARS is the maximum number of local variables per function
 | |
| @* (must be smaller than 250).
 | |
| */
 | |
| #define LUAI_MAXVARS		200
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_MAXUPVALUES is the maximum number of upvalues per function
 | |
| @* (must be smaller than 250).
 | |
| */
 | |
| #define LUAI_MAXUPVALUES	60
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system.
 | |
| */
 | |
| #define LUAL_BUFFERSIZE		1024
 | |
| 
 | |
| /* }================================================================== */
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| /*
 | |
| ** {==================================================================
 | |
| @@ LUA_NUMBER is the type of numbers in Lua.
 | |
| ** CHANGE the following definitions only if you want to build Lua
 | |
| ** with a number type different from double. You may also need to
 | |
| ** change lua_number2int & lua_number2integer.
 | |
| ** ===================================================================
 | |
| */
 | |
| 
 | |
| #undef LUA_NUMBER_DOUBLE
 | |
| #define LUA_NUMBER	long
 | |
| 
 | |
| /*
 | |
| @@ LUAI_UACNUMBER is the result of an 'usual argument conversion'
 | |
| @* over a number.
 | |
| */
 | |
| #define LUAI_UACNUMBER	long
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUA_NUMBER_SCAN is the format for reading numbers.
 | |
| @@ LUA_NUMBER_FMT is the format for writing numbers.
 | |
| @@ lua_number2str converts a number to a string.
 | |
| @@ LUAI_MAXNUMBER2STR is maximum size of previous conversion.
 | |
| @@ lua_str2number converts a string to a number.
 | |
| */
 | |
| #define LUA_NUMBER_SCAN		"%ld"
 | |
| #define LUA_NUMBER_FMT		"%ld"
 | |
| #define LUAI_MAXNUMBER2STR	32 /* 16 digits, sign, point, and \0 */
 | |
| #define lua_number2str(s,n)	snprintf((s), 32, LUA_NUMBER_FMT, (n))
 | |
| #define lua_str2number(s,p)	strtol((s), (p), 10)
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ The luai_num* macros define the primitive operations over numbers.
 | |
| */
 | |
| #if defined(LUA_CORE)
 | |
| extern long rb_pow(long, long);
 | |
| #define luai_numadd(a,b)	((a)+(b))
 | |
| #define luai_numsub(a,b)	((a)-(b))
 | |
| #define luai_nummul(a,b)	((a)*(b))
 | |
| #define luai_numdiv(a,b)	((a)/(b))
 | |
| #define luai_nummod(a,b)	((a)%(b))
 | |
| #define luai_numpow(a,b)	(rb_pow(a,b))
 | |
| #define luai_numunm(a)		(-(a))
 | |
| #define luai_numeq(a,b)		((a)==(b))
 | |
| #define luai_numlt(a,b)		((a)<(b))
 | |
| #define luai_numle(a,b)		((a)<=(b))
 | |
| #define luai_numisnan(a)	(!luai_numeq((a), (a)))
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ lua_number2int is a macro to convert lua_Number to int.
 | |
| @@ lua_number2integer is a macro to convert lua_Number to lua_Integer.
 | |
| ** CHANGE them if you know a faster way to convert a lua_Number to
 | |
| ** int (with any rounding method and without throwing errors) in your
 | |
| ** system. In Pentium machines, a naive typecast from double to int
 | |
| ** in C is extremely slow, so any alternative is worth trying.
 | |
| */
 | |
| 
 | |
| /* On a Pentium, resort to a trick */
 | |
| #if defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) && !defined(__SSE2__) && \
 | |
|     (defined(__i386) || defined (_M_IX86) || defined(__i386__))
 | |
| 
 | |
| /* On a Microsoft compiler, use assembler */
 | |
| #if defined(_MSC_VER)
 | |
| 
 | |
| #define lua_number2int(i,d)   __asm fld d   __asm fistp i
 | |
| #define lua_number2integer(i,n)		lua_number2int(i, n)
 | |
| 
 | |
| /* the next trick should work on any Pentium, but sometimes clashes
 | |
|    with a DirectX idiosyncrasy */
 | |
| #else
 | |
| 
 | |
| union luai_Cast { double l_d; long l_l; };
 | |
| #define lua_number2int(i,d) \
 | |
|   { volatile union luai_Cast u; u.l_d = (d) + 6755399441055744.0; (i) = u.l_l; }
 | |
| #define lua_number2integer(i,n)		lua_number2int(i, n)
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /* this option always works, but may be slow */
 | |
| #else
 | |
| #define lua_number2int(i,d)	((i)=(int)(d))
 | |
| #define lua_number2integer(i,d)	((i)=(lua_Integer)(d))
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /* }================================================================== */
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_USER_ALIGNMENT_T is a type that requires maximum alignment.
 | |
| ** CHANGE it if your system requires alignments larger than double. (For
 | |
| ** instance, if your system supports long doubles and they must be
 | |
| ** aligned in 16-byte boundaries, then you should add long double in the
 | |
| ** union.) Probably you do not need to change this.
 | |
| */
 | |
| #define LUAI_USER_ALIGNMENT_T	union { void *s; long l; }
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_THROW/LUAI_TRY define how Lua does exception handling.
 | |
| ** CHANGE them if you prefer to use longjmp/setjmp even with C++
 | |
| ** or if want/don't to use _longjmp/_setjmp instead of regular
 | |
| ** longjmp/setjmp. By default, Lua handles errors with exceptions when
 | |
| ** compiling as C++ code, with _longjmp/_setjmp when asked to use them,
 | |
| ** and with longjmp/setjmp otherwise.
 | |
| */
 | |
| #if defined(__cplusplus)
 | |
| /* C++ exceptions */
 | |
| #define LUAI_THROW(L,c)	throw(c)
 | |
| #define LUAI_TRY(L,c,a)	try { a } catch(...) \
 | |
| 	{ if ((c)->status == 0) (c)->status = -1; }
 | |
| #define luai_jmpbuf	int  /* dummy variable */
 | |
| 
 | |
| #elif defined(LUA_USE_ULONGJMP)
 | |
| /* in Unix, try _longjmp/_setjmp (more efficient) */
 | |
| #define LUAI_THROW(L,c)	_longjmp((c)->b, 1)
 | |
| #define LUAI_TRY(L,c,a)	if (_setjmp((c)->b) == 0) { a }
 | |
| #define luai_jmpbuf	jmp_buf
 | |
| 
 | |
| #else
 | |
| /* default handling with long jumps */
 | |
| #define LUAI_THROW(L,c)	longjmp((c)->b, 1)
 | |
| #define LUAI_TRY(L,c,a)	if (setjmp((c)->b) == 0) { a }
 | |
| #define luai_jmpbuf	jmp_buf
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUA_MAXCAPTURES is the maximum number of captures that a pattern
 | |
| @* can do during pattern-matching.
 | |
| ** CHANGE it if you need more captures. This limit is arbitrary.
 | |
| */
 | |
| #define LUA_MAXCAPTURES		32
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ lua_tmpnam is the function that the OS library uses to create a
 | |
| @* temporary name.
 | |
| @@ LUA_TMPNAMBUFSIZE is the maximum size of a name created by lua_tmpnam.
 | |
| ** CHANGE them if you have an alternative to tmpnam (which is considered
 | |
| ** insecure) or if you want the original tmpnam anyway.  By default, Lua
 | |
| ** uses tmpnam except when POSIX is available, where it uses mkstemp.
 | |
| */
 | |
| #if defined(loslib_c) || defined(luaall_c)
 | |
| 
 | |
| #if defined(LUA_USE_MKSTEMP)
 | |
| #include <unistd.h>
 | |
| #define LUA_TMPNAMBUFSIZE	32
 | |
| #define lua_tmpnam(b,e)	{ \
 | |
| 	strcpy(b, "/tmp/lua_XXXXXX"); \
 | |
| 	e = mkstemp(b); \
 | |
| 	if (e != -1) close(e); \
 | |
| 	e = (e == -1); }
 | |
| 
 | |
| #else
 | |
| #define LUA_TMPNAMBUFSIZE	L_tmpnam
 | |
| #define lua_tmpnam(b,e)		{ e = (tmpnam(b) == NULL); }
 | |
| #endif
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ lua_popen spawns a new process connected to the current one through
 | |
| @* the file streams.
 | |
| ** CHANGE it if you have a way to implement it in your system.
 | |
| */
 | |
| #if defined(LUA_USE_POPEN)
 | |
| 
 | |
| #define lua_popen(L,c,m)	((void)L, fflush(NULL), popen(c,m))
 | |
| #define lua_pclose(L,file)	((void)L, (pclose(file) != -1))
 | |
| 
 | |
| #elif defined(LUA_WIN)
 | |
| 
 | |
| #define lua_popen(L,c,m)	((void)L, _popen(c,m))
 | |
| #define lua_pclose(L,file)	((void)L, (_pclose(file) != -1))
 | |
| 
 | |
| #else
 | |
| 
 | |
| #define lua_popen(L,c,m)	((void)((void)c, m),  \
 | |
| 		luaL_error(L, LUA_QL("popen") " not supported"), (FILE*)0)
 | |
| #define lua_pclose(L,file)		((void)((void)L, file), 0)
 | |
| 
 | |
| #endif
 | |
| 
 | |
| /*
 | |
| @@ LUA_DL_* define which dynamic-library system Lua should use.
 | |
| ** CHANGE here if Lua has problems choosing the appropriate
 | |
| ** dynamic-library system for your platform (either Windows' DLL, Mac's
 | |
| ** dyld, or Unix's dlopen). If your system is some kind of Unix, there
 | |
| ** is a good chance that it has dlopen, so LUA_DL_DLOPEN will work for
 | |
| ** it.  To use dlopen you also need to adapt the src/Makefile (probably
 | |
| ** adding -ldl to the linker options), so Lua does not select it
 | |
| ** automatically.  (When you change the makefile to add -ldl, you must
 | |
| ** also add -DLUA_USE_DLOPEN.)
 | |
| ** If you do not want any kind of dynamic library, undefine all these
 | |
| ** options.
 | |
| ** By default, _WIN32 gets LUA_DL_DLL and MAC OS X gets LUA_DL_DYLD.
 | |
| */
 | |
| #if defined(LUA_USE_DLOPEN)
 | |
| #define LUA_DL_DLOPEN
 | |
| #endif
 | |
| 
 | |
| #if defined(LUA_WIN)
 | |
| #define LUA_DL_DLL
 | |
| #endif
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUAI_EXTRASPACE allows you to add user-specific data in a lua_State
 | |
| @* (the data goes just *before* the lua_State pointer).
 | |
| ** CHANGE (define) this if you really need that. This value must be
 | |
| ** a multiple of the maximum alignment required for your machine.
 | |
| */
 | |
| #define LUAI_EXTRASPACE		0
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ luai_userstate* allow user-specific actions on threads.
 | |
| ** CHANGE them if you defined LUAI_EXTRASPACE and need to do something
 | |
| ** extra when a thread is created/deleted/resumed/yielded.
 | |
| */
 | |
| #define luai_userstateopen(L)		((void)L)
 | |
| #define luai_userstateclose(L)		((void)L)
 | |
| #define luai_userstatethread(L,L1)	((void)L)
 | |
| #define luai_userstatefree(L)		((void)L)
 | |
| #define luai_userstateresume(L,n)	((void)L)
 | |
| #define luai_userstateyield(L,n)	((void)L)
 | |
| 
 | |
| 
 | |
| /*
 | |
| @@ LUA_INTFRMLEN is the length modifier for integer conversions
 | |
| @* in 'string.format'.
 | |
| @@ LUA_INTFRM_T is the integer type correspoding to the previous length
 | |
| @* modifier.
 | |
| ** CHANGE them if your system supports long long or does not support long.
 | |
| */
 | |
| 
 | |
| #if defined(LUA_USELONGLONG)
 | |
| 
 | |
| #define LUA_INTFRMLEN		"ll"
 | |
| #define LUA_INTFRM_T		long long
 | |
| 
 | |
| #else
 | |
| 
 | |
| #define LUA_INTFRMLEN		"l"
 | |
| #define LUA_INTFRM_T		long
 | |
| 
 | |
| #endif
 | |
| 
 | |
| 
 | |
| 
 | |
| /* =================================================================== */
 | |
| 
 | |
| /*
 | |
| ** Local configuration. You can use this space to add your redefinitions
 | |
| ** without modifying the main part of the file.
 | |
| */
 | |
| 
 | |
| #include "rockconf.h"
 | |
| 
 | |
| #endif
 | |
| 
 |