mirror of
https://github.com/lua/lua
synced 2024-11-28 15:43:08 +03:00
109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
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** LUA - Linguagem para Usuarios de Aplicacao
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** Grupo de Tecnologia em Computacao Grafica
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** TeCGraf - PUC-Rio
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** $Id: lua.h,v 3.19 1995/10/25 13:05:51 roberto Exp roberto $
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*/
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#ifndef lua_h
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#define lua_h
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#define LUA_VERSION "Lua 2.1"
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#define LUA_COPYRIGHT "Copyright (C) 1994, 1995 TeCGraf"
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#define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
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/* Private Part */
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typedef enum
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{
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LUA_T_NIL = -1,
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LUA_T_NUMBER = -2,
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LUA_T_STRING = -3,
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LUA_T_ARRAY = -4,
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LUA_T_FUNCTION = -5,
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LUA_T_CFUNCTION= -6,
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LUA_T_MARK = -7,
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LUA_T_CMARK = -8,
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LUA_T_LINE = -9,
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LUA_T_USERDATA = 0
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} lua_Type;
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/* Public Part */
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#define LUA_NOOBJECT 0
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typedef void (*lua_CFunction) (void);
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typedef unsigned int lua_Object;
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lua_Object lua_setfallback (char *name, lua_CFunction fallback);
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void lua_error (char *s);
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int lua_dofile (char *filename);
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int lua_dostring (char *string);
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int lua_callfunction (lua_Object function);
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int lua_call (char *funcname);
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void lua_beginblock (void);
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void lua_endblock (void);
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lua_Object lua_getparam (int number);
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#define lua_getresult(_) lua_getparam(_)
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float lua_getnumber (lua_Object object);
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char *lua_getstring (lua_Object object);
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lua_CFunction lua_getcfunction (lua_Object object);
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void *lua_getuserdata (lua_Object object);
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void lua_pushnil (void);
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void lua_pushnumber (float n);
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void lua_pushstring (char *s);
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void lua_pushliteral (char *s);
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void lua_pushcfunction (lua_CFunction fn);
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void lua_pushusertag (void *u, int tag);
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void lua_pushobject (lua_Object object);
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lua_Object lua_getglobal (char *name);
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void lua_storeglobal (char *name);
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void lua_storesubscript (void);
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lua_Object lua_getsubscript (void);
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int lua_type (lua_Object object);
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int lua_lock (void);
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lua_Object lua_getlocked (int ref);
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void lua_pushlocked (int ref);
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void lua_unlock (int ref);
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lua_Object lua_createtable (void);
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/* some useful macros */
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#define lua_lockobject(o) (lua_pushobject(o), lua_lock())
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#define lua_register(n,f) (lua_pushcfunction(f), lua_storeglobal(n))
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#define lua_pushuserdata(u) lua_pushusertag(u, LUA_T_USERDATA)
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#define lua_isnil(_) (lua_type(_)==LUA_T_NIL)
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#define lua_isnumber(_) (lua_type(_)==LUA_T_NUMBER)
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#define lua_isstring(_) (lua_type(_)==LUA_T_STRING)
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#define lua_istable(_) (lua_type(_)==LUA_T_ARRAY)
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#define lua_isfunction(_) (lua_type(_)==LUA_T_FUNCTION)
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#define lua_iscfunction(_) (lua_type(_)==LUA_T_CFUNCTION)
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#define lua_isuserdata(_) (lua_type(_)>=LUA_T_USERDATA)
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/* for lua 1.1 compatibility. Avoid using these macros */
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#define lua_getindexed(o,n) (lua_pushobject(o), lua_pushnumber(n), lua_getsubscript())
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#define lua_getfield(o,f) (lua_pushobject(o), lua_pushliteral(f), lua_getsubscript())
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#define lua_copystring(o) (strdup(lua_getstring(o)))
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#endif
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