1 files changed, 248 insertions, 0 deletions
diff --git a/src/lua/lua.h b/src/lua/lua.h
new file mode 100644
index 00000000..87d64e71
--- /dev/null
+++ b/src/lua/lua.h
@@ -0,0 +1,248 @@
+/*
+** $Id: lua.h,v 1.2 2001/11/26 23:00:26 darkgod Exp $
+** 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
+
+
+/* definition of `size_t' */
+#include <stddef.h>
+
+
+/* mark for all API functions */
+#ifndef LUA_API
+#define LUA_API		extern
+#endif
+
+
+#define LUA_VERSION	"Lua 4.0"
+#define LUA_COPYRIGHT	"Copyright (C) 1994-2000 TeCGraf, PUC-Rio"
+#define LUA_AUTHORS 	"W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
+
+
+/* name of global variable with error handler */
+#define LUA_ERRORMESSAGE	"_ERRORMESSAGE"
+
+
+/* pre-defined references */
+#define LUA_NOREF	(-2)
+#define LUA_REFNIL	(-1)
+#define LUA_REFREGISTRY	0
+
+/* pre-defined tags */
+#define LUA_ANYTAG	(-1)
+#define LUA_NOTAG	(-2)
+
+
+/* option for multiple returns in lua_call */
+#define LUA_MULTRET	(-1)
+
+
+/* minimum stack available for a C function */
+#define LUA_MINSTACK	20
+
+
+/* error codes for lua_do* */
+#define LUA_ERRRUN	1
+#define LUA_ERRFILE	2
+#define LUA_ERRSYNTAX	3
+#define LUA_ERRMEM	4
+#define LUA_ERRERR	5
+
+
+typedef struct lua_State lua_State;
+
+typedef int (*lua_CFunction) (lua_State *L);
+
+/*
+** types returned by `lua_type'
+*/
+#define LUA_TNONE	(-1)
+
+#define LUA_TUSERDATA	0
+#define LUA_TNIL	1
+#define LUA_TNUMBER	2
+#define LUA_TSTRING	3
+#define LUA_TTABLE	4
+#define LUA_TFUNCTION	5
+
+
+
+/*
+** state manipulation
+*/
+LUA_API lua_State *lua_open (int stacksize);
+LUA_API void       lua_close (lua_State *L);
+
+
+/*
+** basic stack manipulation
+*/
+LUA_API int   lua_gettop (lua_State *L);
+LUA_API void  lua_settop (lua_State *L, int index);
+LUA_API void  lua_pushvalue (lua_State *L, int index);
+LUA_API void  lua_remove (lua_State *L, int index);
+LUA_API void  lua_insert (lua_State *L, int index);
+LUA_API int   lua_stackspace (lua_State *L);
+
+
+/*
+** access functions (stack -> C)
+*/
+
+LUA_API int            lua_type (lua_State *L, int index);
+LUA_API const char    *lua_typename (lua_State *L, int t);
+LUA_API int            lua_isnumber (lua_State *L, int index);
+LUA_API int            lua_isstring (lua_State *L, int index);
+LUA_API int            lua_iscfunction (lua_State *L, int index);
+LUA_API int            lua_tag (lua_State *L, int index);
+
+LUA_API int            lua_equal (lua_State *L, int index1, int index2);
+LUA_API int            lua_lessthan (lua_State *L, int index1, int index2);
+
+LUA_API long         lua_tonumber (lua_State *L, int index);
+LUA_API const char    *lua_tostring (lua_State *L, int index);
+LUA_API size_t         lua_strlen (lua_State *L, int index);
+LUA_API lua_CFunction  lua_tocfunction (lua_State *L, int index);
+LUA_API void	      *lua_touserdata (lua_State *L, int index);
+LUA_API const void    *lua_topointer (lua_State *L, int index);
+
+
+/*
+** push functions (C -> stack)
+*/
+LUA_API void  lua_pushnil (lua_State *L);
+LUA_API void  lua_pushnumber (lua_State *L, long n);
+LUA_API void  lua_pushlstring (lua_State *L, const char *s, size_t len);
+LUA_API void  lua_pushstring (lua_State *L, const char *s);
+LUA_API void  lua_pushcclosure (lua_State *L, lua_CFunction fn, int n);
+LUA_API void  lua_pushusertag (lua_State *L, void *u, int tag);
+
+
+/*
+** get functions (Lua -> stack)
+*/
+LUA_API void  lua_getglobal (lua_State *L, const char *name);
+LUA_API void  lua_gettable (lua_State *L, int index);
+LUA_API void  lua_rawget (lua_State *L, int index);
+LUA_API void  lua_rawgeti (lua_State *L, int index, int n);
+LUA_API void  lua_getglobals (lua_State *L);
+LUA_API void  lua_gettagmethod (lua_State *L, int tag, const char *event);
+LUA_API int   lua_getref (lua_State *L, int ref);
+LUA_API void  lua_newtable (lua_State *L);
+
+
+/*
+** set functions (stack -> Lua)
+*/
+LUA_API void  lua_setglobal (lua_State *L, const char *name);
+LUA_API void  lua_settable (lua_State *L, int index);
+LUA_API void  lua_rawset (lua_State *L, int index);
+LUA_API void  lua_rawseti (lua_State *L, int index, int n);
+LUA_API void  lua_setglobals (lua_State *L);
+LUA_API void  lua_settagmethod (lua_State *L, int tag, const char *event);
+LUA_API int   lua_ref (lua_State *L, int lock);
+
+
+/*
+** "do" functions (run Lua code)
+*/
+LUA_API int   lua_call (lua_State *L, int nargs, int nresults);
+LUA_API void  lua_rawcall (lua_State *L, int nargs, int nresults);
+LUA_API int   lua_dofile (lua_State *L, const char *filename);
+LUA_API int   lua_dostring (lua_State *L, const char *str);
+LUA_API int   lua_dobuffer (lua_State *L, const char *buff, size_t size, const char *name);
+
+/*
+** Garbage-collection functions
+*/
+LUA_API int   lua_getgcthreshold (lua_State *L);
+LUA_API int   lua_getgccount (lua_State *L);
+LUA_API void  lua_setgcthreshold (lua_State *L, int newthreshold);
+
+/*
+** miscellaneous functions
+*/
+LUA_API int   lua_newtag (lua_State *L);
+LUA_API int   lua_copytagmethods (lua_State *L, int tagto, int tagfrom);
+LUA_API void  lua_settag (lua_State *L, int tag);
+
+LUA_API void  lua_error (lua_State *L, const char *s);
+
+LUA_API void  lua_unref (lua_State *L, int ref);
+
+LUA_API int   lua_next (lua_State *L, int index);
+LUA_API int   lua_getn (lua_State *L, int index);
+
+LUA_API void  lua_concat (lua_State *L, int n);
+
+LUA_API void *lua_newuserdata (lua_State *L, size_t size);
+
+
+/* 
+** ===============================================================
+** some useful macros
+** ===============================================================
+*/
+
+#define lua_pop(L,n)		lua_settop(L, -(n)-1)
+
+#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))
+
+#define lua_isfunction(L,n)	(lua_type(L,n) == LUA_TFUNCTION)
+#define lua_istable(L,n)	(lua_type(L,n) == LUA_TTABLE)
+#define lua_isuserdata(L,n)	(lua_type(L,n) == LUA_TUSERDATA)
+#define lua_isnil(L,n)		(lua_type(L,n) == LUA_TNIL)
+#define lua_isnull(L,n)		(lua_type(L,n) == LUA_TNONE)
+
+#define lua_getregistry(L)	lua_getref(L, LUA_REFREGISTRY)
+
+#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.
+******************************************************************************/
+