| /* |
| ** $Id: lua.h,v 1.47 2000/04/14 17:48:20 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/ |
| ** See Copyright Notice at the end of this file |
| */ |
| |
| |
| #ifndef lua_h |
| #define lua_h |
| |
| #define LUA_VERSION "Lua 4.0 (alpha)" |
| #define LUA_COPYRIGHT "Copyright (C) 1994-2000 TeCGraf, PUC-Rio" |
| #define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo" |
| |
| |
| #define LUA_NOREF (-2) |
| #define LUA_REFNIL (-1) |
| |
| #define LUA_ANYTAG (-1) |
| |
| typedef struct lua_State lua_State; |
| |
| typedef void (*lua_CFunction) (lua_State *L); |
| |
| typedef struct TObject *lua_Object; |
| |
| #define LUA_NOOBJECT ((lua_Object)0) |
| |
| |
| lua_State *lua_newstate (const char *s, ...); |
| void lua_close (lua_State *L); |
| |
| lua_Object lua_settagmethod (lua_State *L, int tag, const char *event); |
| /* In: new method */ |
| lua_Object lua_gettagmethod (lua_State *L, int tag, const char *event); |
| |
| int lua_newtag (lua_State *L); |
| int lua_copytagmethods (lua_State *L, int tagto, int tagfrom); |
| void lua_settag (lua_State *L, int tag); /* In: object */ |
| |
| void lua_error (lua_State *L, const char *s); |
| int lua_dofile (lua_State *L, const char *filename); |
| /* Out: returns */ |
| int lua_dostring (lua_State *L, const char *str); |
| /* Out: returns */ |
| int lua_dobuffer (lua_State *L, const char *buff, int size, |
| const char *name); /* Out: returns */ |
| int lua_callfunction (lua_State *L, lua_Object f); |
| /* In: parameters; Out: returns */ |
| |
| void lua_beginblock (lua_State *L); |
| void lua_endblock (lua_State *L); |
| |
| lua_Object lua_lua2C (lua_State *L, int number); |
| #define lua_getparam lua_lua2C |
| #define lua_getresult lua_lua2C |
| |
| const char *lua_type (lua_State *L, lua_Object obj); |
| |
| int lua_isnil (lua_State *L, lua_Object obj); |
| int lua_istable (lua_State *L, lua_Object obj); |
| int lua_isuserdata (lua_State *L, lua_Object obj); |
| int lua_iscfunction (lua_State *L, lua_Object obj); |
| int lua_isnumber (lua_State *L, lua_Object obj); |
| int lua_isstring (lua_State *L, lua_Object obj); |
| int lua_isfunction (lua_State *L, lua_Object obj); |
| |
| int lua_equal (lua_State *L, lua_Object o1, lua_Object o2); |
| |
| double lua_getnumber (lua_State *L, lua_Object obj); |
| const char *lua_getstring (lua_State *L, lua_Object obj); |
| long lua_strlen (lua_State *L, lua_Object obj); |
| lua_CFunction lua_getcfunction (lua_State *L, lua_Object obj); |
| void *lua_getuserdata (lua_State *L, lua_Object obj); |
| |
| |
| void lua_pushnil (lua_State *L); |
| void lua_pushnumber (lua_State *L, double n); |
| void lua_pushlstring (lua_State *L, const char *s, long len); |
| void lua_pushstring (lua_State *L, const char *s); |
| void lua_pushcclosure (lua_State *L, lua_CFunction fn, int n); |
| void lua_pushusertag (lua_State *L, void *u, int tag); |
| void lua_pushobject (lua_State *L, lua_Object obj); |
| |
| lua_Object lua_pop (lua_State *L); |
| |
| lua_Object lua_getglobal (lua_State *L, const char *name); |
| lua_Object lua_rawgetglobal (lua_State *L, const char *name); |
| void lua_setglobal (lua_State *L, const char *name); /* In: value */ |
| void lua_rawsetglobal (lua_State *L, const char *name);/* In: value */ |
| |
| void lua_settable (lua_State *L); /* In: table, index, value */ |
| void lua_rawsettable (lua_State *L); /* In: table, index, value */ |
| lua_Object lua_gettable (lua_State *L); /* In: table, index */ |
| lua_Object lua_rawgettable (lua_State *L); /* In: table, index */ |
| |
| int lua_tag (lua_State *L, lua_Object obj); |
| |
| const char *lua_nextvar (lua_State *L, const char *varname); /* Out: value */ |
| int lua_next (lua_State *L, lua_Object o, int i); |
| /* Out: ref, value */ |
| |
| int lua_ref (lua_State *L, int lock); /* In: value */ |
| lua_Object lua_getref (lua_State *L, int ref); |
| void lua_unref (lua_State *L, int ref); |
| |
| lua_Object lua_createtable (lua_State *L); |
| |
| long lua_collectgarbage (lua_State *L, long limit); |
| |
| |
| |
| /* |
| ** =============================================================== |
| ** some useful macros |
| ** =============================================================== |
| */ |
| |
| #ifdef LUA_REENTRANT |
| |
| #define lua_call(L,name) lua_callfunction(L, lua_getglobal(L, name)) |
| #define lua_pushref(L,ref) lua_pushobject(L, lua_getref(L, ref)) |
| #define lua_refobject(L,o,l) (lua_pushobject(L, o), lua_ref(L, l)) |
| #define lua_register(L,n,f) (lua_pushcfunction(L, f), lua_setglobal(L, n)) |
| #define lua_pushuserdata(L,u) lua_pushusertag(L, u, 0) |
| #define lua_pushcfunction(L,f) lua_pushcclosure(L, f, 0) |
| #define lua_clonetag(L,t) lua_copytagmethods(L, lua_newtag(L), (t)) |
| |
| #else |
| |
| #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)) |
| |
| #endif |
| |
| |
| |
| #ifndef LUA_REENTRANT |
| /* |
| ** =============================================================== |
| ** Macros for single-state use |
| ** =============================================================== |
| */ |
| |
| extern lua_State *lua_state; |
| |
| #define lua_open() ((void)(lua_state?0:(lua_state=lua_newstate(0)))) |
| |
| #define lua_close() (lua_close)(lua_state) |
| #define lua_settagmethod(tag,event) (lua_settagmethod)(lua_state, tag,event) |
| #define lua_gettagmethod(tag,event) (lua_gettagmethod)(lua_state, tag,event) |
| #define lua_newtag() (lua_newtag)(lua_state) |
| #define lua_copytagmethods(tagto,tagfrom) \ |
| (lua_copytagmethods)(lua_state, tagto,tagfrom) |
| #define lua_settag(tag) (lua_settag)(lua_state, tag) |
| #define lua_error(s) (lua_error)(lua_state, s) |
| #define lua_dofile(filename) (lua_dofile)(lua_state, filename) |
| #define lua_dostring(str) (lua_dostring)(lua_state, str) |
| #define lua_callfunction(f) (lua_callfunction)(lua_state, f) |
| #define lua_beginblock() (lua_beginblock)(lua_state) |
| #define lua_endblock() (lua_endblock)(lua_state) |
| #define lua_lua2C(number) (lua_lua2C)(lua_state, number) |
| #define lua_type(obj) (lua_type)(lua_state, obj) |
| #define lua_isnil(obj) (lua_isnil)(lua_state, obj) |
| #define lua_istable(obj) (lua_istable)(lua_state, obj) |
| #define lua_isuserdata(obj) (lua_isuserdata)(lua_state, obj) |
| #define lua_iscfunction(obj) (lua_iscfunction)(lua_state, obj) |
| #define lua_isnumber(obj) (lua_isnumber)(lua_state, obj) |
| #define lua_isstring(obj) (lua_isstring)(lua_state, obj) |
| #define lua_isfunction(obj) (lua_isfunction)(lua_state, obj) |
| #define lua_equal(o1,o2) (lua_equal)(lua_state, o1,o2) |
| #define lua_getnumber(obj) (lua_getnumber)(lua_state, obj) |
| #define lua_getstring(obj) (lua_getstring)(lua_state, obj) |
| #define lua_strlen(obj) (lua_strlen)(lua_state, obj) |
| #define lua_getcfunction(obj) (lua_getcfunction)(lua_state, obj) |
| #define lua_getuserdata(obj) (lua_getuserdata)(lua_state, obj) |
| #define lua_pushnil() (lua_pushnil)(lua_state) |
| #define lua_pushnumber(n) (lua_pushnumber)(lua_state, n) |
| #define lua_pushlstring(s,len) (lua_pushlstring)(lua_state, s,len) |
| #define lua_pushstring(s) (lua_pushstring)(lua_state, s) |
| #define lua_pushusertag(u,tag) (lua_pushusertag)(lua_state, u,tag) |
| #define lua_pushobject(obj) (lua_pushobject)(lua_state, obj) |
| #define lua_pop() (lua_pop)(lua_state) |
| #define lua_getglobal(name) (lua_getglobal)(lua_state, name) |
| #define lua_rawgetglobal(name) (lua_rawgetglobal)(lua_state, name) |
| #define lua_setglobal(name) (lua_setglobal)(lua_state, name) |
| #define lua_rawsetglobal(name) (lua_rawsetglobal)(lua_state, name) |
| #define lua_settable() (lua_settable)(lua_state) |
| #define lua_rawsettable() (lua_rawsettable)(lua_state) |
| #define lua_gettable() (lua_gettable)(lua_state) |
| #define lua_rawgettable() (lua_rawgettable)(lua_state) |
| #define lua_tag(obj) (lua_tag)(lua_state, obj) |
| #define lua_nextvar(varname) (lua_nextvar)(lua_state, varname) |
| #define lua_next(o,i) (lua_next)(lua_state, o,i) |
| #define lua_ref(lock) (lua_ref)(lua_state, lock) |
| #define lua_getref(ref) (lua_getref)(lua_state, ref) |
| #define lua_unref(ref) (lua_unref)(lua_state, ref) |
| #define lua_createtable() (lua_createtable)(lua_state) |
| #define lua_collectgarbage(limit) (lua_collectgarbage)(lua_state, limit) |
| /* |
| ** the following typecast is a little dirty, but we know of no other |
| ** way to keep compatibility with old definition of `lua_CFunction' |
| */ |
| #define lua_pushcclosure(fn,n) \ |
| (lua_pushcclosure)(lua_state, (lua_CFunction)(fn), n) |
| |
| #endif |
| |
| |
| #endif |
| |
| |
| |
| |
| /****************************************************************************** |
| * Copyright (C) 1994-2000 TeCGraf, PUC-Rio. All rights reserved. |
| * |
| * Permission is hereby granted, without written agreement and without license |
| * or royalty fees, to use, copy, modify, and distribute this software and its |
| * documentation for any purpose, including commercial applications, subject to |
| * the following conditions: |
| * |
| * - The above copyright notice and this permission notice shall appear in all |
| * copies or substantial portions of this software. |
| * |
| * - The origin of this software must not be misrepresented; you must not |
| * claim that you wrote the original software. If you use this software in a |
| * product, an acknowledgment in the product documentation would be greatly |
| * appreciated (but it is not required). |
| * |
| * - Altered source versions must be plainly marked as such, and must not be |
| * misrepresented as being the original software. |
| * |
| * 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 modifications. In no event shall TeCGraf, PUC-Rio, or the |
| * authors be held liable to any party for direct, indirect, special, |
| * incidental, or consequential damages arising out of the use of this software |
| * and its documentation. |
| * |
| * The Lua language and this implementation have been entirely designed and |
| * written by Waldemar Celes Filho, Roberto Ierusalimschy and |
| * Luiz Henrique de Figueiredo at TeCGraf, PUC-Rio. |
| * |
| * This implementation contains no third-party code. |
| ******************************************************************************/ |
