| /* |
| ** $Id: lua.h,v 1.13 1998/01/02 17:46:32 roberto Exp roberto $ |
| ** Lua - An Extensible Extension Language |
| ** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil |
| ** e-mail: lua@tecgraf.puc-rio.br |
| ** www: http://www.tecgraf.puc-rio.br/lua/ |
| */ |
| |
| /********************************************************************* |
| * Copyright (c) 1994-1998 TeCGraf, PUC-Rio. |
| * Written by Waldemar Celes Filho, Roberto Ierusalimschy and |
| * Luiz Henrique de Figueiredo. |
| * All rights reserved. |
| * |
| * Permission is hereby granted, without written agreement and with |
| * out license or royalty fees, to use, copy, modify, and distribute |
| * this software and its documentation for any purpose, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall ap |
| * pear in all copies or substantial portions of this software. |
| * |
| * The name "Lua" cannot be used for any modified form of this soft |
| * ware that does not originate from the authors. Nevertheless, the |
| * name "Lua" may and should be used to designate the language im |
| * plemented and described in this package, even if embedded in any |
| * other system, as long as its syntax and semantics remain un |
| * changed. |
| * |
| * The authors specifically disclaim any warranties, including, but |
| * not limited to, the implied warranties of merchantability and |
| * fitness for a particular purpose. The software provided hereunder |
| * is on an "as is" basis, and the authors have no obligation to |
| * provide maintenance, support, updates, enhancements, or modifica |
| * tions. In no event shall TeCGraf, PUC-Rio, or the authors be li |
| * able to any party for direct, indirect, special, incidental, or |
| * consequential damages arising out of the use of this software and |
| * its documentation. |
| *********************************************************************/ |
| |
| |
| |
| #ifndef lua_h |
| #define lua_h |
| |
| #define LUA_VERSION "Lua 3.1 (alpha)" |
| #define LUA_COPYRIGHT "Copyright (C) 1994-1998 TeCGraf" |
| #define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo" |
| |
| |
| #define LUA_NOOBJECT 0 |
| |
| #define LUA_ANYTAG (-1) |
| |
| typedef void (*lua_CFunction) (void); |
| typedef unsigned int lua_Object; |
| |
| |
| void lua_open (void); |
| void lua_close (void); |
| |
| lua_Object lua_settagmethod (int tag, char *event); /* In: new method */ |
| lua_Object lua_gettagmethod (int tag, char *event); |
| lua_Object lua_seterrormethod (void); /* In: new method */ |
| |
| int lua_newtag (void); |
| int lua_copytagmethods (int tagto, int tagfrom); |
| void lua_settag (int tag); /* In: object */ |
| |
| void lua_error (char *s); |
| int lua_dofile (char *filename); /* Out: returns */ |
| int lua_dostring (char *string); /* Out: returns */ |
| int lua_callfunction (lua_Object f); |
| /* In: parameters; Out: returns */ |
| |
| void lua_beginblock (void); |
| void lua_endblock (void); |
| |
| lua_Object lua_lua2C (int number); |
| #define lua_getparam(_) lua_lua2C(_) |
| #define lua_getresult(_) lua_lua2C(_) |
| |
| int lua_isnil (lua_Object object); |
| int lua_istable (lua_Object object); |
| int lua_isuserdata (lua_Object object); |
| int lua_iscfunction (lua_Object object); |
| int lua_isnumber (lua_Object object); |
| int lua_isstring (lua_Object object); |
| int lua_isfunction (lua_Object object); |
| |
| double lua_getnumber (lua_Object object); |
| char *lua_getstring (lua_Object object); |
| lua_CFunction lua_getcfunction (lua_Object object); |
| void *lua_getuserdata (lua_Object object); |
| |
| |
| void lua_pushnil (void); |
| void lua_pushnumber (double n); |
| void lua_pushstring (char *s); |
| void lua_pushCclosure (lua_CFunction fn, int n); |
| void lua_pushusertag (void *u, int tag); |
| void lua_pushobject (lua_Object object); |
| |
| lua_Object lua_pop (void); |
| |
| lua_Object lua_getglobal (char *name); |
| lua_Object lua_rawgetglobal (char *name); |
| void lua_setglobal (char *name); /* In: value */ |
| void lua_rawsetglobal (char *name); /* In: value */ |
| |
| void lua_settable (void); /* In: table, index, value */ |
| void lua_rawsettable (void); /* In: table, index, value */ |
| lua_Object lua_gettable (void); /* In: table, index */ |
| lua_Object lua_rawgettable (void); /* In: table, index */ |
| |
| int lua_tag (lua_Object object); |
| |
| |
| int lua_ref (int lock); /* In: value */ |
| lua_Object lua_getref (int ref); |
| void lua_unref (int ref); |
| |
| lua_Object lua_createtable (void); |
| |
| long lua_collectgarbage (long limit); |
| |
| |
| /* =============================================================== */ |
| /* some useful macros */ |
| |
| #define lua_call(name) lua_callfunction(lua_getglobal(name)) |
| |
| #define lua_pushref(ref) lua_pushobject(lua_getref(ref)) |
| |
| #define lua_refobject(o,l) (lua_pushobject(o), lua_ref(l)) |
| |
| #define lua_register(n,f) (lua_pushcfunction(f), lua_setglobal(n)) |
| |
| #define lua_pushuserdata(u) lua_pushusertag(u, 0) |
| |
| #define lua_pushcfunction(f) lua_pushCclosure(f, 0) |
| |
| #define lua_clonetag(t) lua_copytagmethods(lua_newtag(), (t)) |
| |
| |
| /* ========================================================================== |
| ** for compatibility with old versions. Avoid using these macros/functions |
| ** If your program does need any of these, define LUA_COMPAT2_5 |
| */ |
| |
| |
| #ifdef LUA_COMPAT2_5 |
| |
| |
| lua_Object lua_setfallback (char *event, lua_CFunction fallback); |
| |
| #define lua_storeglobal lua_setglobal |
| #define lua_type lua_tag |
| |
| #define lua_lockobject(o) lua_refobject(o,1) |
| #define lua_lock() lua_ref(1) |
| #define lua_getlocked lua_getref |
| #define lua_pushlocked lua_pushref |
| #define lua_unlock lua_unref |
| |
| #define lua_pushliteral(o) lua_pushstring(o) |
| |
| #define lua_getindexed(o,n) (lua_pushobject(o), lua_pushnumber(n), lua_gettable()) |
| #define lua_getfield(o,f) (lua_pushobject(o), lua_pushstring(f), lua_gettable()) |
| |
| #define lua_copystring(o) (strdup(lua_getstring(o))) |
| |
| #define lua_getsubscript lua_gettable |
| #define lua_storesubscript lua_settable |
| |
| #endif |
| |
| #endif |
