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173 lines
5.8 KiB
173 lines
5.8 KiB
/*
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** $Id: $
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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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*/
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/*********************************************************************
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* Copyright © 1994-1996 TeCGraf, PUC-Rio. Written by Waldemar Ce
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* les Filho, Roberto Ierusalimschy and Luiz Henrique de Figueiredo.
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* All rights reserved.
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*
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* Permission is hereby granted, without written agreement and with
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* out license or royalty fees, to use, copy, modify, and distribute
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* this software and its documentation for any purpose, 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 ap
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* pear in all copies or substantial portions of this software.
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*
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* The name "Lua" cannot be used for any modified form of this soft
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* ware that does not originate from the authors. Nevertheless, the
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* name "Lua" may and should be used to designate the language im
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* plemented and described in this package, even if embedded in any
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* other system, as long as its syntax and semantics remain un
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* changed.
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*
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* The authors specifically disclaim any warranties, including, but
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* not limited to, the implied warranties of merchantability and
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* fitness for a particular purpose. The software provided hereunder
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* is on an "as is" basis, and the authors have no obligation to
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* provide maintenance, support, updates, enhancements, or modifica
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* tions. In no event shall TeCGraf, PUC-Rio, or the authors be li
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* able to any party for direct, indirect, special, incidental, or
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* consequential damages arising out of the use of this software and
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* its documentation.
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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 3.1"
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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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#define LUA_ANYTAG (-1)
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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_settagmethod (int tag, char *event); /* In: luaM_new method */
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lua_Object lua_gettagmethod (int tag, char *event);
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lua_Object lua_seterrormethod (void); /* In: luaM_new 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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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_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_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_pop (void);
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lua_Object lua_getglobal (char *name);
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lua_Object lua_rawgetglobal (char *name);
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void lua_setglobal (char *name); /* In: value */
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void lua_rawsetglobal (char *name); /* In: value */
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void lua_settable (void); /* In: table, index, value */
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void lua_rawsettable (void); /* In: table, index, value */
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lua_Object lua_gettable (void); /* In: table, index */
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lua_Object lua_rawgettable (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_unref (int ref);
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lua_Object lua_createtable (void);
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long lua_collectgarbage (long limit);
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/* =============================================================== */
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/* some useful macros */
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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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/* ==========================================================================
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** for compatibility with old versions. Avoid using these macros/functions
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** If your program does not use any of these, define LUA_COMPAT2_5 to 0
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*/
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#ifndef LUA_COMPAT2_5
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#define LUA_COMPAT2_5 1
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#endif
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#if LUA_COMPAT2_5
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lua_Object lua_setfallback (char *event, lua_CFunction fallback);
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#define lua_storeglobal lua_setglobal
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#define lua_type lua_tag
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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_gettable())
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#define lua_getfield(o,f) (lua_pushobject(o), lua_pushstring(f), lua_gettable())
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#define lua_copystring(o) (strdup(lua_getstring(o)))
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#define lua_getsubscript lua_gettable
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#define lua_storesubscript lua_settable
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#endif
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#endif
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