/* ** $Id: luaconf.h,v 1.172 2012/05/11 14:14:42 roberto Exp $ ** Configuration file for Lua ** See Copyright Notice in lua.h */ #ifndef lconfig_h #define lconfig_h #include #include /* ** ================================================================== ** Search for "@@" to find all configurable definitions. ** =================================================================== */ #define LUA_COMPAT_ALL /* @@ LUA_ANSI controls the use of non-ansi features. ** CHANGE it (define it) if you want Lua to avoid the use of any ** non-ansi feature or library. */ #if !defined(LUA_ANSI) && defined(__STRICT_ANSI__) #define LUA_ANSI #endif #if !defined(LUA_ANSI) && defined(_WIN32) && !defined(_WIN32_WCE) #define LUA_WIN /* enable goodies for regular Windows platforms */ #endif #if defined(LUA_WIN) #define LUA_DL_DLL #define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */ #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 */ #define LUA_USE_STRTODHEX /* assume 'strtod' handles hexa formats */ #define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */ #define LUA_USE_LONGLONG /* assume support for long long */ #endif #if defined(LUA_USE_MACOSX) #define LUA_USE_POSIX #define LUA_USE_DLOPEN /* does not need -ldl */ #define LUA_USE_READLINE /* needs an extra library: -lreadline */ #define LUA_USE_STRTODHEX /* assume 'strtod' handles hexa formats */ #define LUA_USE_AFORMAT /* assume 'printf' handles 'aA' specifiers */ #define LUA_USE_LONGLONG /* assume support for long long */ #endif #if defined(__posix) || defined(__linux) || \ defined(__unix) || defined(__APPLE__) #define LUA_USE_POSIX #endif /* @@ LUA_USE_POSIX includes all functionality listed as X/Open System @* Interfaces Extension (XSI). ** CHANGE it (define it) if your system is XSI compatible. */ #if defined(LUA_USE_POSIX) #define LUA_USE_MKSTEMP #define LUA_USE_ISATTY #define LUA_USE_POPEN #define LUA_USE_ULONGJMP #define LUA_USE_GMTIME_R #endif /* @@ 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. */ #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_PATH_DEFAULT \ LUA_LDIR"?.lua;" LUA_LDIR"?\\init.lua;" \ LUA_CDIR"?.lua;" LUA_CDIR"?\\init.lua;" ".\\?.lua" #define LUA_CPATH_DEFAULT \ LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll;" ".\\?.dll" #else /* }{ */ #define LUA_VDIR LUA_VERSION_MAJOR "." LUA_VERSION_MINOR "/" #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" #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 /* @@ LUA_ENV is the name of the variable that holds the current @@ environment, used to access global names. ** CHANGE it if you do not like this name. */ #define LUA_ENV "_ENV" /* @@ 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 #define LUAI_DDEC LUAI_FUNC #define LUAI_DDEF /* empty */ #else /* }{ */ #define LUAI_FUNC extern #define LUAI_DDEC extern #define LUAI_DDEF /* empty */ #endif /* } */ /* @@ LUA_QL describes how error messages quote program elements. ** CHANGE it if you want a different appearance. */ #define LUA_QL(x) "'" x "'" #define LUA_QS LUA_QL("%s") /* @@ 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 /* @@ luai_writestring/luai_writeline define how 'print' prints its results. ** They are only used in libraries and the stand-alone program. (The #if ** avoids including 'stdio.h' everywhere.) */ #if defined(LUA_LIB) || defined(lua_c) #include #define luai_writestring(s,l) fwrite((s), sizeof(char), (l), stdout) #define luai_writeline() (luai_writestring("\n", 1), fflush(stdout)) #endif /* @@ luai_writestringerror defines how to print error messages. ** (A format string with one argument is enough for Lua...) */ #define luai_writestringerror(s,p) \ (fprintf(stderr, (s), (p)), fflush(stderr)) /* @@ LUAI_MAXSHORTLEN is the maximum length for short strings, that is, ** strings that are internalized. (Cannot be smaller than reserved words ** or tags for metamethods, as these strings must be internalized; ** #("function") = 8, #("__newindex") = 10.) */ #define LUAI_MAXSHORTLEN 40 /* ** {================================================================== ** Compatibility with previous versions ** =================================================================== */ /* @@ LUA_COMPAT_ALL controls all compatibility options. ** You can define it to get all options, or change specific options ** to fit your specific needs. */ #if defined(LUA_COMPAT_ALL) /* { */ /* @@ 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 /* } */ /* }================================================================== */ /* @@ LUAI_BITSINT defines the number of bits in an int. ** CHANGE here if Lua cannot automatically detect the number of bits of ** your machine. Probably you do not need to change this. */ /* avoid overflows in comparison */ #if INT_MAX-20 < 32760 /* { */ #define LUAI_BITSINT 16 #elif INT_MAX > 2147483640L /* }{ */ /* int has at least 32 bits */ #define LUAI_BITSINT 32 #else /* }{ */ #error "you must define LUA_BITSINT with number of bits in an integer" #endif /* } */ /* @@ LUA_INT32 is an signed integer with exactly 32 bits. @@ LUAI_UMEM is an unsigned integer big enough to count the total @* memory used by Lua. @@ LUAI_MEM is a signed integer big enough to count the total memory @* used by Lua. ** CHANGE here if for some weird reason the default definitions are not ** good enough for your machine. Probably you do not need to change ** this. */ #if LUAI_BITSINT >= 32 /* { */ #define LUA_INT32 int #define LUAI_UMEM size_t #define LUAI_MEM ptrdiff_t #else /* }{ */ /* 16-bit ints */ #define LUA_INT32 long #define LUAI_UMEM unsigned long #define LUAI_MEM long #endif /* } */ /* @@ 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 to consume 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 /* reserve some space for error handling */ #define LUAI_FIRSTPSEUDOIDX (-LUAI_MAXSTACK - 1000) /* @@ LUAL_BUFFERSIZE is the buffer size used by the lauxlib buffer system. ** CHANGE it if it uses too much C-stack space. */ #define LUAL_BUFFERSIZE BUFSIZ /* ** {================================================================== @@ 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. ** =================================================================== */ #define LUA_NUMBER_DOUBLE #define LUA_NUMBER double /* @@ LUAI_UACNUMBER is the result of an 'usual argument conversion' @* over a number. */ #define LUAI_UACNUMBER double /* @@ 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. */ #define LUA_NUMBER_SCAN "%lf" #define LUA_NUMBER_FMT "%.14g" #define lua_number2str(s,n) sprintf((s), LUA_NUMBER_FMT, (n)) #define LUAI_MAXNUMBER2STR 32 /* 16 digits, sign, point, and \0 */ /* @@ lua_str2number converts a decimal numeric string to a number. @@ lua_strx2number converts an hexadecimal numeric string to a number. ** In C99, 'strtod' do both conversions. C89, however, has no function ** to convert floating hexadecimal strings to numbers. For these ** systems, you can leave 'lua_strx2number' undefined and Lua will ** provide its own implementation. */ #define lua_str2number(s,p) strtod((s), (p)) #if defined(LUA_USE_STRTODHEX) #define lua_strx2number(s,p) strtod((s), (p)) #endif /* @@ The luai_num* macros define the primitive operations over numbers. */ /* the following operations need the math library */ #if defined(lobject_c) || defined(lvm_c) #include #define luai_nummod(L,a,b) ((a) - floor((a)/(b))*(b)) #define luai_numpow(L,a,b) (pow(a,b)) #endif /* these are quite standard operations */ #if defined(LUA_CORE) #define luai_numadd(L,a,b) ((a)+(b)) #define luai_numsub(L,a,b) ((a)-(b)) #define luai_nummul(L,a,b) ((a)*(b)) #define luai_numdiv(L,a,b) ((a)/(b)) #define luai_numunm(L,a) (-(a)) #define luai_numeq(a,b) ((a)==(b)) #define luai_numlt(L,a,b) ((a)<(b)) #define luai_numle(L,a,b) ((a)<=(b)) #define luai_numisnan(L,a) (!luai_numeq((a), (a))) #endif /* @@ LUA_INTEGER is the integral type used by lua_pushinteger/lua_tointeger. ** CHANGE that if ptrdiff_t is not adequate on your machine. (On most ** machines, ptrdiff_t gives a good choice between int or long.) */ #define LUA_INTEGER ptrdiff_t /* @@ LUA_UNSIGNED is the integral type used by lua_pushunsigned/lua_tounsigned. ** It must have at least 32 bits. */ #define LUA_UNSIGNED unsigned LUA_INT32 /* ** Some tricks with doubles */ #if defined(LUA_CORE) && \ defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) /* { */ /* ** The next definitions activate some tricks to speed up the ** conversion from doubles to integer types, mainly to LUA_UNSIGNED. ** @@ MS_ASMTRICK uses Microsoft assembler to avoid clashes with a ** DirectX idiosyncrasy. ** @@ LUA_IEEE754TRICK uses a trick that should work on any machine ** using IEEE754 with a 32-bit integer type. ** @@ LUA_IEEELL extends the trick to LUA_INTEGER; should only be ** defined when LUA_INTEGER is a 32-bit integer. ** @@ LUA_IEEEENDIAN is the endianness of doubles in your machine ** (0 for little endian, 1 for big endian); if not defined, Lua will ** check it dynamically for LUA_IEEE754TRICK (but not for LUA_NANTRICK). ** @@ LUA_NANTRICK controls the use of a trick to pack all types into ** a single double value, using NaN values to represent non-number ** values. The trick only works on 32-bit machines (ints and pointers ** are 32-bit values) with numbers represented as IEEE 754-2008 doubles ** with conventional endianess (12345678 or 87654321), in CPUs that do ** not produce signaling NaN values (all NaNs are quiet). */ /* Microsoft compiler on a Pentium (32 bit) ? */ #if defined(LUA_WIN) && defined(_MSC_VER) && defined(_M_IX86) /* { */ #define MS_ASMTRICK #define LUA_IEEEENDIAN 0 #define LUA_NANTRICK /* pentium 32 bits? */ #elif defined(__i386__) || defined(__i386) || defined(__X86__) /* }{ */ #define LUA_IEEE754TRICK #define LUA_IEEELL #define LUA_IEEEENDIAN 0 #define LUA_NANTRICK /* pentium 64 bits? */ #elif defined(__x86_64) /* }{ */ #define LUA_IEEE754TRICK #define LUA_IEEEENDIAN 0 #elif defined(__POWERPC__) || defined(__ppc__) /* }{ */ #define LUA_IEEE754TRICK #define LUA_IEEEENDIAN 1 #else /* }{ */ /* assume IEEE754 and a 32-bit integer type */ #define LUA_IEEE754TRICK #endif /* } */ #endif /* } */ /* }================================================================== */ /* =================================================================== */ /* ** Local configuration. You can use this space to add your redefinitions ** without modifying the main part of the file. */ #endif /* ** $Id: lua.h,v 1.283 2012/04/20 13:18:26 roberto Exp $ ** Lua - A Scripting Language ** Lua.org, PUC-Rio, Brazil (http://www.lua.org) ** See Copyright Notice at the end of this file */ #ifndef lua_h #define lua_h #include #include #define LUA_VERSION_MAJOR "5" #define LUA_VERSION_MINOR "2" #define LUA_VERSION_NUM 502 #define LUA_VERSION_RELEASE "1" #define LUA_VERSION "Lua " LUA_VERSION_MAJOR "." LUA_VERSION_MINOR #define LUA_RELEASE LUA_VERSION "." LUA_VERSION_RELEASE #define LUA_COPYRIGHT LUA_RELEASE " Copyright (C) 1994-2012 Lua.org, PUC-Rio" #define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo, W. Celes" /* mark for precompiled code ('Lua') */ #define LUA_SIGNATURE "\033Lua" /* option for multiple returns in 'lua_pcall' and 'lua_call' */ #define LUA_MULTRET (-1) /* ** pseudo-indices */ #define LUA_REGISTRYINDEX LUAI_FIRSTPSEUDOIDX #define lua_upvalueindex(i) (LUA_REGISTRYINDEX - (i)) /* thread status */ #define LUA_OK 0 #define LUA_YIELD 1 #define LUA_ERRRUN 2 #define LUA_ERRSYNTAX 3 #define LUA_ERRMEM 4 #define LUA_ERRGCMM 5 #define LUA_ERRERR 6 typedef struct lua_State lua_State; typedef int (*lua_CFunction) (lua_State *L); /* ** functions that read/write blocks when loading/dumping Lua chunks */ typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz); typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud); /* ** prototype for memory-allocation functions */ typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize); /* ** basic types */ #define LUA_TNONE (-1) #define LUA_TNIL 0 #define LUA_TBOOLEAN 1 #define LUA_TLIGHTUSERDATA 2 #define LUA_TNUMBER 3 #define LUA_TSTRING 4 #define LUA_TTABLE 5 #define LUA_TFUNCTION 6 #define LUA_TUSERDATA 7 #define LUA_TTHREAD 8 #define LUA_NUMTAGS 9 /* minimum Lua stack available to a C function */ #define LUA_MINSTACK 20 /* predefined values in the registry */ #define LUA_RIDX_MAINTHREAD 1 #define LUA_RIDX_GLOBALS 2 #define LUA_RIDX_LAST LUA_RIDX_GLOBALS /* type of numbers in Lua */ typedef LUA_NUMBER lua_Number; /* type for integer functions */ typedef LUA_INTEGER lua_Integer; /* unsigned integer type */ typedef LUA_UNSIGNED lua_Unsigned; /* ** generic extra include file */ #if defined(LUA_USER_H) #include LUA_USER_H #endif /* ** state manipulation */ LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud); LUA_API void (lua_close) (lua_State *L); LUA_API lua_State *(lua_newthread) (lua_State *L); LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf); LUA_API const lua_Number *(lua_version) (lua_State *L); /* ** basic stack manipulation */ LUA_API int (lua_absindex) (lua_State *L, int idx); LUA_API int (lua_gettop) (lua_State *L); LUA_API void (lua_settop) (lua_State *L, int idx); LUA_API void (lua_pushvalue) (lua_State *L, int idx); LUA_API void (lua_remove) (lua_State *L, int idx); LUA_API void (lua_insert) (lua_State *L, int idx); LUA_API void (lua_replace) (lua_State *L, int idx); LUA_API void (lua_copy) (lua_State *L, int fromidx, int toidx); LUA_API int (lua_checkstack) (lua_State *L, int sz); LUA_API void (lua_xmove) (lua_State *from, lua_State *to, int n); /* ** access functions (stack -> C) */ LUA_API int (lua_isnumber) (lua_State *L, int idx); LUA_API int (lua_isstring) (lua_State *L, int idx); LUA_API int (lua_iscfunction) (lua_State *L, int idx); LUA_API int (lua_isuserdata) (lua_State *L, int idx); LUA_API int (lua_type) (lua_State *L, int idx); LUA_API const char *(lua_typename) (lua_State *L, int tp); LUA_API lua_Number (lua_tonumberx) (lua_State *L, int idx, int *isnum); LUA_API lua_Integer (lua_tointegerx) (lua_State *L, int idx, int *isnum); LUA_API lua_Unsigned (lua_tounsignedx) (lua_State *L, int idx, int *isnum); LUA_API int (lua_toboolean) (lua_State *L, int idx); LUA_API const char *(lua_tolstring) (lua_State *L, int idx, size_t *len); LUA_API size_t (lua_rawlen) (lua_State *L, int idx); LUA_API lua_CFunction (lua_tocfunction) (lua_State *L, int idx); LUA_API void *(lua_touserdata) (lua_State *L, int idx); LUA_API lua_State *(lua_tothread) (lua_State *L, int idx); LUA_API const void *(lua_topointer) (lua_State *L, int idx); /* ** Comparison and arithmetic functions */ #define LUA_OPADD 0 /* ORDER TM */ #define LUA_OPSUB 1 #define LUA_OPMUL 2 #define LUA_OPDIV 3 #define LUA_OPMOD 4 #define LUA_OPPOW 5 #define LUA_OPUNM 6 LUA_API void (lua_arith) (lua_State *L, int op); #define LUA_OPEQ 0 #define LUA_OPLT 1 #define LUA_OPLE 2 LUA_API int (lua_rawequal) (lua_State *L, int idx1, int idx2); LUA_API int (lua_compare) (lua_State *L, int idx1, int idx2, int op); /* ** push functions (C -> stack) */ LUA_API void (lua_pushnil) (lua_State *L); LUA_API void (lua_pushnumber) (lua_State *L, lua_Number n); LUA_API void (lua_pushinteger) (lua_State *L, lua_Integer n); LUA_API void (lua_pushunsigned) (lua_State *L, lua_Unsigned n); LUA_API const char *(lua_pushlstring) (lua_State *L, const char *s, size_t l); LUA_API const char *(lua_pushstring) (lua_State *L, const char *s); LUA_API const char *(lua_pushvfstring) (lua_State *L, const char *fmt, va_list argp); LUA_API const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...); LUA_API void (lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); LUA_API void (lua_pushboolean) (lua_State *L, int b); LUA_API void (lua_pushlightuserdata) (lua_State *L, void *p); LUA_API int (lua_pushthread) (lua_State *L); /* ** get functions (Lua -> stack) */ LUA_API void (lua_getglobal) (lua_State *L, const char *var); LUA_API void (lua_gettable) (lua_State *L, int idx); LUA_API void (lua_getfield) (lua_State *L, int idx, const char *k); LUA_API void (lua_rawget) (lua_State *L, int idx); LUA_API void (lua_rawgeti) (lua_State *L, int idx, int n); LUA_API void (lua_rawgetp) (lua_State *L, int idx, const void *p); LUA_API void (lua_createtable) (lua_State *L, int narr, int nrec); LUA_API void *(lua_newuserdata) (lua_State *L, size_t sz); LUA_API int (lua_getmetatable) (lua_State *L, int objindex); LUA_API void (lua_getuservalue) (lua_State *L, int idx); /* ** set functions (stack -> Lua) */ LUA_API void (lua_setglobal) (lua_State *L, const char *var); LUA_API void (lua_settable) (lua_State *L, int idx); LUA_API void (lua_setfield) (lua_State *L, int idx, const char *k); LUA_API void (lua_rawset) (lua_State *L, int idx); LUA_API void (lua_rawseti) (lua_State *L, int idx, int n); LUA_API void (lua_rawsetp) (lua_State *L, int idx, const void *p); LUA_API int (lua_setmetatable) (lua_State *L, int objindex); LUA_API void (lua_setuservalue) (lua_State *L, int idx); /* ** 'load' and 'call' functions (load and run Lua code) */ LUA_API void (lua_callk) (lua_State *L, int nargs, int nresults, int ctx, lua_CFunction k); #define lua_call(L,n,r) lua_callk(L, (n), (r), 0, NULL) LUA_API int (lua_getctx) (lua_State *L, int *ctx); LUA_API int (lua_pcallk) (lua_State *L, int nargs, int nresults, int errfunc, int ctx, lua_CFunction k); #define lua_pcall(L,n,r,f) lua_pcallk(L, (n), (r), (f), 0, NULL) LUA_API int (lua_load) (lua_State *L, lua_Reader reader, void *dt, const char *chunkname, const char *mode); LUA_API int (lua_dump) (lua_State *L, lua_Writer writer, void *data); /* ** coroutine functions */ LUA_API int (lua_yieldk) (lua_State *L, int nresults, int ctx, lua_CFunction k); #define lua_yield(L,n) lua_yieldk(L, (n), 0, NULL) LUA_API int (lua_resume) (lua_State *L, lua_State *from, int narg); LUA_API int (lua_status) (lua_State *L); /* ** garbage-collection function and options */ #define LUA_GCSTOP 0 #define LUA_GCRESTART 1 #define LUA_GCCOLLECT 2 #define LUA_GCCOUNT 3 #define LUA_GCCOUNTB 4 #define LUA_GCSTEP 5 #define LUA_GCSETPAUSE 6 #define LUA_GCSETSTEPMUL 7 #define LUA_GCSETMAJORINC 8 #define LUA_GCISRUNNING 9 #define LUA_GCGEN 10 #define LUA_GCINC 11 LUA_API int (lua_gc) (lua_State *L, int what, int data); /* ** miscellaneous functions */ LUA_API int (lua_error) (lua_State *L); LUA_API int (lua_next) (lua_State *L, int idx); LUA_API void (lua_concat) (lua_State *L, int n); LUA_API void (lua_len) (lua_State *L, int idx); LUA_API lua_Alloc (lua_getallocf) (lua_State *L, void **ud); LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud); /* ** =============================================================== ** some useful macros ** =============================================================== */ #define lua_tonumber(L,i) lua_tonumberx(L,i,NULL) #define lua_tointeger(L,i) lua_tointegerx(L,i,NULL) #define lua_tounsigned(L,i) lua_tounsignedx(L,i,NULL) #define lua_pop(L,n) lua_settop(L, -(n)-1) #define lua_newtable(L) lua_createtable(L, 0, 0) #define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n))) #define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0) #define lua_isfunction(L,n) (lua_type(L, (n)) == LUA_TFUNCTION) #define lua_istable(L,n) (lua_type(L, (n)) == LUA_TTABLE) #define lua_islightuserdata(L,n) (lua_type(L, (n)) == LUA_TLIGHTUSERDATA) #define lua_isnil(L,n) (lua_type(L, (n)) == LUA_TNIL) #define lua_isboolean(L,n) (lua_type(L, (n)) == LUA_TBOOLEAN) #define lua_isthread(L,n) (lua_type(L, (n)) == LUA_TTHREAD) #define lua_isnone(L,n) (lua_type(L, (n)) == LUA_TNONE) #define lua_isnoneornil(L, n) (lua_type(L, (n)) <= 0) #define lua_pushliteral(L, s) \ lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1) #define lua_pushglobaltable(L) \ lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_GLOBALS) #define lua_tostring(L,i) lua_tolstring(L, (i), NULL) /* ** {====================================================================== ** Debug API ** ======================================================================= */ /* ** Event codes */ #define LUA_HOOKCALL 0 #define LUA_HOOKRET 1 #define LUA_HOOKLINE 2 #define LUA_HOOKCOUNT 3 #define LUA_HOOKTAILCALL 4 /* ** Event masks */ #define LUA_MASKCALL (1 << LUA_HOOKCALL) #define LUA_MASKRET (1 << LUA_HOOKRET) #define LUA_MASKLINE (1 << LUA_HOOKLINE) #define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT) typedef struct lua_Debug lua_Debug; /* activation record */ /* Functions to be called by the debugger in specific events */ typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar); LUA_API int (lua_getstack) (lua_State *L, int level, lua_Debug *ar); LUA_API int (lua_getinfo) (lua_State *L, const char *what, lua_Debug *ar); LUA_API const char *(lua_getlocal) (lua_State *L, const lua_Debug *ar, int n); LUA_API const char *(lua_setlocal) (lua_State *L, const lua_Debug *ar, int n); LUA_API const char *(lua_getupvalue) (lua_State *L, int funcindex, int n); LUA_API const char *(lua_setupvalue) (lua_State *L, int funcindex, int n); LUA_API void *(lua_upvalueid) (lua_State *L, int fidx, int n); LUA_API void (lua_upvaluejoin) (lua_State *L, int fidx1, int n1, int fidx2, int n2); LUA_API int (lua_sethook) (lua_State *L, lua_Hook func, int mask, int count); LUA_API lua_Hook (lua_gethook) (lua_State *L); LUA_API int (lua_gethookmask) (lua_State *L); LUA_API int (lua_gethookcount) (lua_State *L); struct lua_Debug { int event; const char *name; /* (n) */ const char *namewhat; /* (n) 'global', 'local', 'field', 'method' */ const char *what; /* (S) 'Lua', 'C', 'main', 'tail' */ const char *source; /* (S) */ int currentline; /* (l) */ int linedefined; /* (S) */ int lastlinedefined; /* (S) */ unsigned char nups; /* (u) number of upvalues */ unsigned char nparams;/* (u) number of parameters */ char isvararg; /* (u) */ char istailcall; /* (t) */ char short_src[LUA_IDSIZE]; /* (S) */ /* private part */ struct CallInfo *i_ci; /* active function */ }; /* }====================================================================== */ /****************************************************************************** * Copyright (C) 1994-2012 Lua.org, PUC-Rio. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ******************************************************************************/ #endif /* ** $Id: lauxlib.h,v 1.120 2011/11/29 15:55:08 roberto Exp $ ** Auxiliary functions for building Lua libraries ** See Copyright Notice in lua.h */ #ifndef lauxlib_h #define lauxlib_h #include #include /* extra error code for `luaL_load' */ #define LUA_ERRFILE (LUA_ERRERR+1) typedef struct luaL_Reg { const char *name; lua_CFunction func; } luaL_Reg; LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver); #define luaL_checkversion(L) luaL_checkversion_(L, LUA_VERSION_NUM) LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e); LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e); LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len); LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg); LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg, size_t *l); LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg, const char *def, size_t *l); LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg); LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def); LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg); LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg, lua_Integer def); LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int numArg); LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int numArg, lua_Unsigned def); LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg); LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t); LUALIB_API void (luaL_checkany) (lua_State *L, int narg); LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname); LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname); LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname); LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname); LUALIB_API void (luaL_where) (lua_State *L, int lvl); LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...); LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def, const char *const lst[]); LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname); LUALIB_API int (luaL_execresult) (lua_State *L, int stat); /* pre-defined references */ #define LUA_NOREF (-2) #define LUA_REFNIL (-1) LUALIB_API int (luaL_ref) (lua_State *L, int t); LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref); LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename, const char *mode); #define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL) LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz, const char *name, const char *mode); LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s); LUALIB_API lua_State *(luaL_newstate) (void); LUALIB_API int (luaL_len) (lua_State *L, int idx); LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p, const char *r); LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup); LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname); LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1, const char *msg, int level); LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname, lua_CFunction openf, int glb); /* ** =============================================================== ** some useful macros ** =============================================================== */ #define luaL_newlibtable(L,l) \ lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1) #define luaL_newlib(L,l) (luaL_newlibtable(L,l), luaL_setfuncs(L,l,0)) #define luaL_argcheck(L, cond,numarg,extramsg) \ ((void)((cond) || luaL_argerror(L, (numarg), (extramsg)))) #define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL)) #define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL)) #define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n))) #define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d))) #define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n))) #define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d))) #define luaL_typename(L,i) lua_typename(L, lua_type(L,(i))) #define luaL_dofile(L, fn) \ (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0)) #define luaL_dostring(L, s) \ (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0)) #define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n))) #define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n))) #define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL) /* ** {====================================================== ** Generic Buffer manipulation ** ======================================================= */ typedef struct luaL_Buffer { char *b; /* buffer address */ size_t size; /* buffer size */ size_t n; /* number of characters in buffer */ lua_State *L; char initb[LUAL_BUFFERSIZE]; /* initial buffer */ } luaL_Buffer; #define luaL_addchar(B,c) \ ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \ ((B)->b[(B)->n++] = (c))) #define luaL_addsize(B,s) ((B)->n += (s)) LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B); LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz); LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s); LUALIB_API void (luaL_addvalue) (luaL_Buffer *B); LUALIB_API void (luaL_pushresult) (luaL_Buffer *B); LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz); LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz); #define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE) /* }====================================================== */ /* ** {====================================================== ** File handles for IO library ** ======================================================= */ /* ** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and ** initial structure 'luaL_Stream' (it may contain other fields ** after that initial structure). */ #define LUA_FILEHANDLE "FILE*" typedef struct luaL_Stream { FILE *f; /* stream (NULL for incompletely created streams) */ lua_CFunction closef; /* to close stream (NULL for closed streams) */ } luaL_Stream; /* }====================================================== */ /* compatibility with old module system */ #if defined(LUA_COMPAT_MODULE) LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname, int sizehint); LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname, const luaL_Reg *l, int nup); #define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0)) #endif #endif /* ** $Id: lualib.h,v 1.43 2011/12/08 12:11:37 roberto Exp $ ** Lua standard libraries ** See Copyright Notice in lua.h */ #ifndef lualib_h #define lualib_h LUAMOD_API int (luaopen_base) (lua_State *L); #define LUA_COLIBNAME "coroutine" LUAMOD_API int (luaopen_coroutine) (lua_State *L); #define LUA_TABLIBNAME "table" LUAMOD_API int (luaopen_table) (lua_State *L); #define LUA_IOLIBNAME "io" LUAMOD_API int (luaopen_io) (lua_State *L); #define LUA_OSLIBNAME "os" LUAMOD_API int (luaopen_os) (lua_State *L); #define LUA_STRLIBNAME "string" LUAMOD_API int (luaopen_string) (lua_State *L); #define LUA_BITLIBNAME "bit32" LUAMOD_API int (luaopen_bit32) (lua_State *L); #define LUA_MATHLIBNAME "math" LUAMOD_API int (luaopen_math) (lua_State *L); #define LUA_DBLIBNAME "debug" LUAMOD_API int (luaopen_debug) (lua_State *L); #define LUA_LOADLIBNAME "package" LUAMOD_API int (luaopen_package) (lua_State *L); /* open all previous libraries */ LUALIB_API void (luaL_openlibs) (lua_State *L); #if !defined(lua_assert) #define lua_assert(x) ((void)0) #endif #endif