mirror of
https://github.com/lua/lua
synced 2024-11-22 21:01:26 +03:00
120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/*
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** LUA - An Extensible Extension Language
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** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil
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** e-mail: lua@tecgraf.puc-rio.br
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** $Id: lua.h,v 3.42 1997/04/02 23:04:12 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 3.0 (alpha)"
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#define LUA_COPYRIGHT "Copyright (C) 1994-1997 TeCGraf"
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#define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
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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 *event, lua_CFunction fallback);
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void lua_setintmethod (int tag, char *event, lua_CFunction method);
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void lua_getintmethod (int tag, char *event); /* out: method */
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void lua_seterrormethod (lua_CFunction method);
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int lua_newtag (void);
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void lua_settag (int tag); /* In: object */
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void lua_error (char *s);
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int lua_dofile (char *filename); /* Out: returns */
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int lua_dostring (char *string); /* Out: returns */
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int lua_callfunction (lua_Object f);
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/* In: parameters; Out: returns */
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int lua_call (char *funcname);
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/* In: parameters; Out: returns */
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void lua_beginblock (void);
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void lua_endblock (void);
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lua_Object lua_lua2C (int number);
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#define lua_getparam(_) lua_lua2C(_)
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#define lua_getresult(_) lua_lua2C(_)
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int lua_isnil (lua_Object object);
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int lua_istable (lua_Object object);
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int lua_isuserdata (lua_Object object);
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int lua_iscfunction (lua_Object object);
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int lua_isnumber (lua_Object object);
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int lua_isstring (lua_Object object);
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int lua_isfunction (lua_Object object);
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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_getbinarydata (lua_Object object);
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int lua_getbindatasize (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_pushcfunction (lua_CFunction fn);
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void lua_pushbinarydata (void *buff, int size, int tag);
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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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lua_Object lua_basicgetglobal (char *name);
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void lua_setglobal (char *name); /* In: value */
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void lua_basicsetglobal (char *name); /* In: value */
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void lua_storesubscript (void); /* In: table, index, value */
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void lua_basicstoreindex (void); /* In: table, index, value */
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lua_Object lua_getsubscript (void); /* In: table, index */
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lua_Object lua_basicindex (void); /* In: table, index */
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int lua_tag (lua_Object object);
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int lua_ref (int lock); /* In: value */
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lua_Object lua_getref (int ref);
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void lua_pushref (int ref);
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void lua_unref (int ref);
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lua_Object lua_createtable (void);
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/* =============================================================== */
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/* some useful macros */
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#define lua_refobject(o,l) (lua_pushobject(o), lua_ref(l))
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#define lua_register(n,f) (lua_pushcfunction(f), lua_setglobal(n))
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#define lua_pushuserdata(u) lua_pushusertag(u, 0)
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/* =============================================================== */
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/* for compatibility with old versions. Avoid using these macros/functions */
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#define lua_storeglobal(n) lua_setglobal(n)
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#define lua_type(o) (lua_tag(o))
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void *lua_getuserdata (lua_Object object);
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#define lua_lockobject(o) lua_refobject(o,1)
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#define lua_lock() lua_ref(1)
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#define lua_getlocked lua_getref
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#define lua_pushlocked lua_pushref
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#define lua_unlock lua_unref
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#define lua_pushliteral(o) lua_pushstring(o)
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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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