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260 lines
11 KiB
C
260 lines
11 KiB
C
/*
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** $Id: lua.h,v 1.49 2000/05/08 19:32:53 roberto Exp roberto $
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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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** www: http://www.tecgraf.puc-rio.br/lua/
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** See Copyright Notice at the end of this file
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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 4.0 (alpha)"
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#define LUA_COPYRIGHT "Copyright (C) 1994-2000 TeCGraf, PUC-Rio"
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#define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
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#define LUA_NOREF (-2)
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#define LUA_REFNIL (-1)
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#define LUA_ANYTAG (-1)
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typedef struct lua_State lua_State;
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typedef void (*lua_CFunction) (lua_State *L);
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typedef struct lua_TObject *lua_Object;
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#define LUA_NOOBJECT ((lua_Object)0)
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lua_State *lua_newstate (const char *s, ...);
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void lua_close (lua_State *L);
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lua_Object lua_settagmethod (lua_State *L, int tag, const char *event);
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/* In: new method */
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lua_Object lua_gettagmethod (lua_State *L, int tag, const char *event);
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int lua_newtag (lua_State *L);
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int lua_copytagmethods (lua_State *L, int tagto, int tagfrom);
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void lua_settag (lua_State *L, int tag); /* In: object */
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void lua_error (lua_State *L, const char *s);
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int lua_dofile (lua_State *L, const char *filename);
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/* Out: returns */
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int lua_dostring (lua_State *L, const char *str);
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/* Out: returns */
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int lua_dobuffer (lua_State *L, const char *buff, int size,
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const char *name); /* Out: returns */
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int lua_callfunction (lua_State *L, lua_Object f);
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/* In: parameters; Out: returns */
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void lua_beginblock (lua_State *L);
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void lua_endblock (lua_State *L);
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void lua_pushglobaltable (lua_State *L);
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void lua_setglobaltable (lua_State *L, lua_Object newtable);
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lua_Object lua_lua2C (lua_State *L, int number);
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#define lua_getparam lua_lua2C
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#define lua_getresult lua_lua2C
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const char *lua_type (lua_State *L, lua_Object obj);
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int lua_isnil (lua_State *L, lua_Object obj);
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int lua_istable (lua_State *L, lua_Object obj);
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int lua_isuserdata (lua_State *L, lua_Object obj);
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int lua_iscfunction (lua_State *L, lua_Object obj);
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int lua_isnumber (lua_State *L, lua_Object obj);
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int lua_isstring (lua_State *L, lua_Object obj);
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int lua_isfunction (lua_State *L, lua_Object obj);
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int lua_equal (lua_State *L, lua_Object o1, lua_Object o2);
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double lua_getnumber (lua_State *L, lua_Object obj);
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const char *lua_getstring (lua_State *L, lua_Object obj);
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long lua_strlen (lua_State *L, lua_Object obj);
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lua_CFunction lua_getcfunction (lua_State *L, lua_Object obj);
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void *lua_getuserdata (lua_State *L, lua_Object obj);
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void lua_pushnil (lua_State *L);
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void lua_pushnumber (lua_State *L, double n);
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void lua_pushlstring (lua_State *L, const char *s, long len);
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void lua_pushstring (lua_State *L, const char *s);
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void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n);
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void lua_pushusertag (lua_State *L, void *u, int tag);
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void lua_pushobject (lua_State *L, lua_Object obj);
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lua_Object lua_pop (lua_State *L);
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lua_Object lua_getglobal (lua_State *L, const char *name);
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void lua_setglobal (lua_State *L, const char *name); /* In: value */
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lua_Object lua_rawgetglobal (lua_State *L, const char *name);
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void lua_rawsetglobal (lua_State *L, const char *name);/* In: value */
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void lua_settable (lua_State *L); /* In: table, index, value */
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void lua_rawsettable (lua_State *L); /* In: table, index, value */
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lua_Object lua_gettable (lua_State *L); /* In: table, index */
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lua_Object lua_rawgettable (lua_State *L); /* In: table, index */
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int lua_tag (lua_State *L, lua_Object obj);
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int lua_next (lua_State *L, lua_Object o, int i);
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/* Out: ref, value */
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int lua_ref (lua_State *L, int lock); /* In: value */
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lua_Object lua_getref (lua_State *L, int ref);
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void lua_unref (lua_State *L, int ref);
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lua_Object lua_createtable (lua_State *L);
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long lua_collectgarbage (lua_State *L, long limit);
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/*
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** ===============================================================
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** some useful macros
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** ===============================================================
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*/
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#ifdef LUA_REENTRANT
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#define lua_call(L,name) lua_callfunction(L, lua_getglobal(L, name))
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#define lua_pushref(L,ref) lua_pushobject(L, lua_getref(L, ref))
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#define lua_refobject(L,o,l) (lua_pushobject(L, o), lua_ref(L, l))
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#define lua_register(L,n,f) (lua_pushcfunction(L, f), lua_setglobal(L, n))
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#define lua_pushuserdata(L,u) lua_pushusertag(L, u, 0)
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#define lua_pushcfunction(L,f) lua_pushcclosure(L, f, 0)
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#define lua_clonetag(L,t) lua_copytagmethods(L, lua_newtag(L), (t))
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#else
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#define lua_call(name) lua_callfunction(lua_getglobal(name))
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#define lua_pushref(ref) lua_pushobject(lua_getref(ref))
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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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#define lua_pushcfunction(f) lua_pushcclosure(f, 0)
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#define lua_clonetag(t) lua_copytagmethods(lua_newtag(), (t))
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#endif
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#ifndef LUA_REENTRANT
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/*
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** ===============================================================
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** Macros for single-state use
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** ===============================================================
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*/
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extern lua_State *lua_state;
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#define lua_open() ((void)(lua_state?0:(lua_state=lua_newstate(0))))
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#define lua_close() (lua_close)(lua_state)
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#define lua_settagmethod(tag,event) (lua_settagmethod)(lua_state, tag,event)
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#define lua_gettagmethod(tag,event) (lua_gettagmethod)(lua_state, tag,event)
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#define lua_newtag() (lua_newtag)(lua_state)
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#define lua_copytagmethods(tagto,tagfrom) \
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(lua_copytagmethods)(lua_state, tagto,tagfrom)
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#define lua_settag(tag) (lua_settag)(lua_state, tag)
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#define lua_error(s) (lua_error)(lua_state, s)
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#define lua_dofile(filename) (lua_dofile)(lua_state, filename)
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#define lua_dostring(str) (lua_dostring)(lua_state, str)
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#define lua_callfunction(f) (lua_callfunction)(lua_state, f)
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#define lua_beginblock() (lua_beginblock)(lua_state)
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#define lua_endblock() (lua_endblock)(lua_state)
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#define lua_pushglobaltable() (lua_pushglobaltable)(lua_state)
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#define lua_setglobaltable(t) (lua_setglobaltable)(lua_state, t)
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#define lua_lua2C(number) (lua_lua2C)(lua_state, number)
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#define lua_type(obj) (lua_type)(lua_state, obj)
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#define lua_isnil(obj) (lua_isnil)(lua_state, obj)
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#define lua_istable(obj) (lua_istable)(lua_state, obj)
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#define lua_isuserdata(obj) (lua_isuserdata)(lua_state, obj)
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#define lua_iscfunction(obj) (lua_iscfunction)(lua_state, obj)
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#define lua_isnumber(obj) (lua_isnumber)(lua_state, obj)
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#define lua_isstring(obj) (lua_isstring)(lua_state, obj)
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#define lua_isfunction(obj) (lua_isfunction)(lua_state, obj)
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#define lua_equal(o1,o2) (lua_equal)(lua_state, o1,o2)
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#define lua_getnumber(obj) (lua_getnumber)(lua_state, obj)
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#define lua_getstring(obj) (lua_getstring)(lua_state, obj)
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#define lua_strlen(obj) (lua_strlen)(lua_state, obj)
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#define lua_getcfunction(obj) (lua_getcfunction)(lua_state, obj)
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#define lua_getuserdata(obj) (lua_getuserdata)(lua_state, obj)
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#define lua_pushnil() (lua_pushnil)(lua_state)
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#define lua_pushnumber(n) (lua_pushnumber)(lua_state, n)
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#define lua_pushlstring(s,len) (lua_pushlstring)(lua_state, s,len)
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#define lua_pushstring(s) (lua_pushstring)(lua_state, s)
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#define lua_pushusertag(u,tag) (lua_pushusertag)(lua_state, u,tag)
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#define lua_pushobject(obj) (lua_pushobject)(lua_state, obj)
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#define lua_pop() (lua_pop)(lua_state)
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#define lua_getglobal(name) (lua_getglobal)(lua_state, name)
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#define lua_setglobal(name) (lua_setglobal)(lua_state, name)
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#define lua_rawgetglobal(name) (lua_rawgetglobal)(lua_state, name)
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#define lua_rawsetglobal(name) (lua_rawsetglobal)(lua_state, name)
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#define lua_settable() (lua_settable)(lua_state)
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#define lua_rawsettable() (lua_rawsettable)(lua_state)
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#define lua_gettable() (lua_gettable)(lua_state)
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#define lua_rawgettable() (lua_rawgettable)(lua_state)
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#define lua_tag(obj) (lua_tag)(lua_state, obj)
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#define lua_next(o,i) (lua_next)(lua_state, o,i)
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#define lua_ref(lock) (lua_ref)(lua_state, lock)
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#define lua_getref(ref) (lua_getref)(lua_state, ref)
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#define lua_unref(ref) (lua_unref)(lua_state, ref)
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#define lua_createtable() (lua_createtable)(lua_state)
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#define lua_collectgarbage(limit) (lua_collectgarbage)(lua_state, limit)
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/*
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** the following typecast is a little dirty, but we know of no other
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** way to keep compatibility with old definition of `lua_CFunction'
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*/
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#define lua_pushcclosure(fn,n) \
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(lua_pushcclosure)(lua_state, (lua_CFunction)(fn), n)
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#endif
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#endif
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/******************************************************************************
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* Copyright (C) 1994-2000 TeCGraf, PUC-Rio. All rights reserved.
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*
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* Permission is hereby granted, without written agreement and without license
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* or royalty fees, to use, copy, modify, and distribute this software and its
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* documentation for any purpose, including commercial applications, subject to
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* the following conditions:
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*
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* - The above copyright notice and this permission notice shall appear in all
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* copies or substantial portions of this software.
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*
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* - The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software in a
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* product, an acknowledgment in the product documentation would be greatly
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* appreciated (but it is not required).
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*
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* - Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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*
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* The authors specifically disclaim any warranties, including, but not limited
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* to, the implied warranties of merchantability and fitness for a particular
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* purpose. The software provided hereunder is on an "as is" basis, and the
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* authors have no obligation to provide maintenance, support, updates,
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* enhancements, or modifications. In no event shall TeCGraf, PUC-Rio, or the
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* authors be held liable to any party for direct, indirect, special,
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* incidental, or consequential damages arising out of the use of this software
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* and its documentation.
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*
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* The Lua language and this implementation have been entirely designed and
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* written by Waldemar Celes Filho, Roberto Ierusalimschy and
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* Luiz Henrique de Figueiredo at TeCGraf, PUC-Rio.
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*
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* This implementation contains no third-party code.
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******************************************************************************/
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