lua.h
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上传日期:2009-12-07
资源大小:5877k
文件大小:11k
源码类别:
模拟服务器
开发平台:
Visual C++
- /*
- ** $Id: lua.h,v 1.1 2004/08/20 02:26:56 JH Exp $
- ** Lua - An Extensible Extension Language
- ** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil
- ** http://www.lua.org mailto:info@lua.org
- ** See Copyright Notice at the end of this file
- */
- #ifndef lua_h
- #define lua_h
- #include <stdarg.h>
- #include <stddef.h>
- #define LUA_VERSION "Lua 5.0.2"
- #define LUA_COPYRIGHT "Copyright (C) 1994-2004 Tecgraf, PUC-Rio"
- #define LUA_AUTHORS "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"
- /* option for multiple returns in `lua_pcall' and `lua_call' */
- #define LUA_MULTRET (-1)
- /*
- ** pseudo-indices
- */
- #define LUA_REGISTRYINDEX (-10000)
- #define LUA_GLOBALSINDEX (-10001)
- #define lua_upvalueindex(i) (LUA_GLOBALSINDEX-(i))
- /* error codes for `lua_load' and `lua_pcall' */
- #define LUA_ERRRUN 1
- #define LUA_ERRFILE 2
- #define LUA_ERRSYNTAX 3
- #define LUA_ERRMEM 4
- #define LUA_ERRERR 5
- 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_Chunkreader) (lua_State *L, void *ud, size_t *sz);
- typedef int (*lua_Chunkwriter) (lua_State *L, const void* p,
- size_t sz, void* ud);
- /*
- ** 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
- /* minimum Lua stack available to a C function */
- #define LUA_MINSTACK 20
- /*
- ** generic extra include file
- */
- #ifdef LUA_USER_H
- #include LUA_USER_H
- #endif
- /* type of numbers in Lua */
- #ifndef LUA_NUMBER
- typedef double lua_Number;
- #else
- typedef LUA_NUMBER lua_Number;
- #endif
- /* mark for all API functions */
- #ifndef LUA_API
- #define LUA_API extern
- #endif
- /*
- ** state manipulation
- */
- LUA_API lua_State *lua_open (void);
- 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);
- /*
- ** basic stack manipulation
- */
- 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 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 int lua_equal (lua_State *L, int idx1, int idx2);
- LUA_API int lua_rawequal (lua_State *L, int idx1, int idx2);
- LUA_API int lua_lessthan (lua_State *L, int idx1, int idx2);
- LUA_API lua_Number lua_tonumber (lua_State *L, int idx);
- LUA_API int lua_toboolean (lua_State *L, int idx);
- LUA_API const char *lua_tostring (lua_State *L, int idx);
- LUA_API size_t lua_strlen (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);
- /*
- ** 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_pushlstring (lua_State *L, const char *s, size_t l);
- LUA_API void 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);
- /*
- ** get functions (Lua -> stack)
- */
- LUA_API void lua_gettable (lua_State *L, int idx);
- 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_newtable (lua_State *L);
- 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_getfenv (lua_State *L, int idx);
- /*
- ** set functions (stack -> Lua)
- */
- LUA_API void lua_settable (lua_State *L, int idx);
- LUA_API void lua_rawset (lua_State *L, int idx);
- LUA_API void lua_rawseti (lua_State *L, int idx, int n);
- LUA_API int lua_setmetatable (lua_State *L, int objindex);
- LUA_API int lua_setfenv (lua_State *L, int idx);
- /*
- ** `load' and `call' functions (load and run Lua code)
- */
- LUA_API void lua_call (lua_State *L, int nargs, int nresults);
- LUA_API int lua_pcall (lua_State *L, int nargs, int nresults, int errfunc);
- LUA_API int lua_cpcall (lua_State *L, lua_CFunction func, void *ud);
- LUA_API int lua_load (lua_State *L, lua_Chunkreader reader, void *dt,
- const char *chunkname);
- LUA_API int lua_dump (lua_State *L, lua_Chunkwriter writer, void *data);
- /*
- ** coroutine functions
- */
- LUA_API int lua_yield (lua_State *L, int nresults);
- LUA_API int lua_resume (lua_State *L, int narg);
- /*
- ** garbage-collection functions
- */
- LUA_API int lua_getgcthreshold (lua_State *L);
- LUA_API int lua_getgccount (lua_State *L);
- LUA_API void lua_setgcthreshold (lua_State *L, int newthreshold);
- /*
- ** miscellaneous functions
- */
- LUA_API const char *lua_version (void);
- 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);
- /*
- ** ===============================================================
- ** some useful macros
- ** ===============================================================
- */
- #define lua_boxpointer(L,u)
- (*(void **)(lua_newuserdata(L, sizeof(void *))) = (u))
- #define lua_unboxpointer(L,i) (*(void **)(lua_touserdata(L, i)))
- #define lua_pop(L,n) lua_settop(L, -(n)-1)
- #define lua_register(L,n,f)
- (lua_pushstring(L, n),
- lua_pushcfunction(L, f),
- lua_settable(L, LUA_GLOBALSINDEX))
- #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_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)
- /*
- ** compatibility macros and functions
- */
- LUA_API int lua_pushupvalues (lua_State *L);
- #define lua_getregistry(L) lua_pushvalue(L, LUA_REGISTRYINDEX)
- #define lua_setglobal(L,s)
- (lua_pushstring(L, s), lua_insert(L, -2), lua_settable(L, LUA_GLOBALSINDEX))
- #define lua_getglobal(L,s)
- (lua_pushstring(L, s), lua_gettable(L, LUA_GLOBALSINDEX))
- /* compatibility with ref system */
- /* pre-defined references */
- #define LUA_NOREF (-2)
- #define LUA_REFNIL (-1)
- #define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) :
- (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))
- #define lua_unref(L,ref) luaL_unref(L, LUA_REGISTRYINDEX, (ref))
- #define lua_getref(L,ref) lua_rawgeti(L, LUA_REGISTRYINDEX, ref)
- /*
- ** {======================================================================
- ** useful definitions for Lua kernel and libraries
- ** =======================================================================
- */
- /* formats for Lua numbers */
- #ifndef LUA_NUMBER_SCAN
- #define LUA_NUMBER_SCAN "%lf"
- #endif
- #ifndef LUA_NUMBER_FMT
- #define LUA_NUMBER_FMT "%.14g"
- #endif
- /* }====================================================================== */
- /*
- ** {======================================================================
- ** Debug API
- ** =======================================================================
- */
- /*
- ** Event codes
- */
- #define LUA_HOOKCALL 0
- #define LUA_HOOKRET 1
- #define LUA_HOOKLINE 2
- #define LUA_HOOKCOUNT 3
- #define LUA_HOOKTAILRET 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 */
- 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 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);
- #define LUA_IDSIZE 60
- 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 nups; /* (u) number of upvalues */
- int linedefined; /* (S) */
- char short_src[LUA_IDSIZE]; /* (S) */
- /* private part */
- int i_ci; /* active function */
- };
- /* }====================================================================== */
- /******************************************************************************
- * Copyright (C) 1994-2004 Tecgraf, PUC-Rio. All rights reserved.
- *
- * 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