--- /dev/null
+/*\r
+** $Id: lauxlib.h,v 1.120.1.1 2013/04/12 18:48:47 roberto Exp $\r
+** Auxiliary functions for building Lua libraries\r
+** See Copyright Notice in lua.h\r
+*/\r
+\r
+\r
+#ifndef lauxlib_h\r
+#define lauxlib_h\r
+\r
+\r
+#include <stddef.h>\r
+#include <stdio.h>\r
+\r
+#include <Lua/lua.h>\r
+\r
+\r
+\r
+/* extra error code for `luaL_load' */\r
+#define LUA_ERRFILE (LUA_ERRERR+1)\r
+\r
+\r
+typedef struct luaL_Reg {\r
+ const char *name;\r
+ lua_CFunction func;\r
+} luaL_Reg;\r
+\r
+\r
+LUALIB_API void (luaL_checkversion_) (lua_State *L, lua_Number ver);\r
+#define luaL_checkversion(L) luaL_checkversion_(L, LUA_VERSION_NUM)\r
+\r
+LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);\r
+LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);\r
+LUALIB_API const char *(luaL_tolstring) (lua_State *L, int idx, size_t *len);\r
+LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);\r
+LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,\r
+ size_t *l);\r
+LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,\r
+ const char *def, size_t *l);\r
+LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);\r
+LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);\r
+\r
+LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);\r
+LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,\r
+ lua_Integer def);\r
+LUALIB_API lua_Unsigned (luaL_checkunsigned) (lua_State *L, int numArg);\r
+LUALIB_API lua_Unsigned (luaL_optunsigned) (lua_State *L, int numArg,\r
+ lua_Unsigned def);\r
+\r
+LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);\r
+LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);\r
+LUALIB_API void (luaL_checkany) (lua_State *L, int narg);\r
+\r
+LUALIB_API int (luaL_newmetatable) (lua_State *L, const char *tname);\r
+LUALIB_API void (luaL_setmetatable) (lua_State *L, const char *tname);\r
+LUALIB_API void *(luaL_testudata) (lua_State *L, int ud, const char *tname);\r
+LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);\r
+\r
+LUALIB_API void (luaL_where) (lua_State *L, int lvl);\r
+LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);\r
+\r
+LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,\r
+ const char *const lst[]);\r
+\r
+LUALIB_API int (luaL_fileresult) (lua_State *L, int stat, const char *fname);\r
+LUALIB_API int (luaL_execresult) (lua_State *L, int stat);\r
+\r
+/* pre-defined references */\r
+#define LUA_NOREF (-2)\r
+#define LUA_REFNIL (-1)\r
+\r
+LUALIB_API int (luaL_ref) (lua_State *L, int t);\r
+LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);\r
+\r
+LUALIB_API int (luaL_loadfilex) (lua_State *L, const char *filename,\r
+ const char *mode);\r
+\r
+#define luaL_loadfile(L,f) luaL_loadfilex(L,f,NULL)\r
+\r
+LUALIB_API int (luaL_loadbufferx) (lua_State *L, const char *buff, size_t sz,\r
+ const char *name, const char *mode);\r
+LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);\r
+\r
+LUALIB_API lua_State *(luaL_newstate) (void);\r
+\r
+LUALIB_API int (luaL_len) (lua_State *L, int idx);\r
+\r
+LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,\r
+ const char *r);\r
+\r
+LUALIB_API void (luaL_setfuncs) (lua_State *L, const luaL_Reg *l, int nup);\r
+\r
+LUALIB_API int (luaL_getsubtable) (lua_State *L, int idx, const char *fname);\r
+\r
+LUALIB_API void (luaL_traceback) (lua_State *L, lua_State *L1,\r
+ const char *msg, int level);\r
+\r
+LUALIB_API void (luaL_requiref) (lua_State *L, const char *modname,\r
+ lua_CFunction openf, int glb);\r
+\r
+/*\r
+** ===============================================================\r
+** some useful macros\r
+** ===============================================================\r
+*/\r
+\r
+\r
+#define luaL_newlibtable(L,l) \\r
+ lua_createtable(L, 0, sizeof(l)/sizeof((l)[0]) - 1)\r
+\r
+#define luaL_newlib(L,l) (luaL_newlibtable(L,l), luaL_setfuncs(L,l,0))\r
+\r
+#define luaL_argcheck(L, cond,numarg,extramsg) \\r
+ ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))\r
+#define luaL_checkstring(L,n) (luaL_checklstring(L, (n), NULL))\r
+#define luaL_optstring(L,n,d) (luaL_optlstring(L, (n), (d), NULL))\r
+#define luaL_checkint(L,n) ((int)luaL_checkinteger(L, (n)))\r
+#define luaL_optint(L,n,d) ((int)luaL_optinteger(L, (n), (d)))\r
+#define luaL_checklong(L,n) ((long)luaL_checkinteger(L, (n)))\r
+#define luaL_optlong(L,n,d) ((long)luaL_optinteger(L, (n), (d)))\r
+\r
+#define luaL_typename(L,i) lua_typename(L, lua_type(L,(i)))\r
+\r
+#define luaL_dofile(L, fn) \\r
+ (luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))\r
+\r
+#define luaL_dostring(L, s) \\r
+ (luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))\r
+\r
+#define luaL_getmetatable(L,n) (lua_getfield(L, LUA_REGISTRYINDEX, (n)))\r
+\r
+#define luaL_opt(L,f,n,d) (lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))\r
+\r
+#define luaL_loadbuffer(L,s,sz,n) luaL_loadbufferx(L,s,sz,n,NULL)\r
+\r
+\r
+/*\r
+** {======================================================\r
+** Generic Buffer manipulation\r
+** =======================================================\r
+*/\r
+\r
+typedef struct luaL_Buffer {\r
+ char *b; /* buffer address */\r
+ size_t size; /* buffer size */\r
+ size_t n; /* number of characters in buffer */\r
+ lua_State *L;\r
+ char initb[LUAL_BUFFERSIZE]; /* initial buffer */\r
+} luaL_Buffer;\r
+\r
+\r
+#define luaL_addchar(B,c) \\r
+ ((void)((B)->n < (B)->size || luaL_prepbuffsize((B), 1)), \\r
+ ((B)->b[(B)->n++] = (c)))\r
+\r
+#define luaL_addsize(B,s) ((B)->n += (s))\r
+\r
+LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);\r
+LUALIB_API char *(luaL_prepbuffsize) (luaL_Buffer *B, size_t sz);\r
+LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);\r
+LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);\r
+LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);\r
+LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);\r
+LUALIB_API void (luaL_pushresultsize) (luaL_Buffer *B, size_t sz);\r
+LUALIB_API char *(luaL_buffinitsize) (lua_State *L, luaL_Buffer *B, size_t sz);\r
+\r
+#define luaL_prepbuffer(B) luaL_prepbuffsize(B, LUAL_BUFFERSIZE)\r
+\r
+/* }====================================================== */\r
+\r
+\r
+\r
+/*\r
+** {======================================================\r
+** File handles for IO library\r
+** =======================================================\r
+*/\r
+\r
+/*\r
+** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and\r
+** initial structure 'luaL_Stream' (it may contain other fields\r
+** after that initial structure).\r
+*/\r
+\r
+#define LUA_FILEHANDLE "FILE*"\r
+\r
+\r
+typedef struct luaL_Stream {\r
+ FILE *f; /* stream (NULL for incompletely created streams) */\r
+ lua_CFunction closef; /* to close stream (NULL for closed streams) */\r
+} luaL_Stream;\r
+\r
+/* }====================================================== */\r
+\r
+\r
+\r
+/* compatibility with old module system */\r
+#if defined(LUA_COMPAT_MODULE)\r
+\r
+LUALIB_API void (luaL_pushmodule) (lua_State *L, const char *modname,\r
+ int sizehint);\r
+LUALIB_API void (luaL_openlib) (lua_State *L, const char *libname,\r
+ const luaL_Reg *l, int nup);\r
+\r
+#define luaL_register(L,n,l) (luaL_openlib(L,(n),(l),0))\r
+\r
+#endif\r
+\r
+\r
+#endif\r
+\r
+\r
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