userdata can have different tags

1 files changed, 11 insertions, 10 deletions

diff --git a/lua.h b/lua.h
index b4780ffe..c0575632 100644
--- a/lua.h
+++ b/lua.h
@@ -2,7 +2,7 @@
 ** LUA - Linguagem para Usuarios de Aplicacao
 ** Grupo de Tecnologia em Computacao Grafica
 ** TeCGraf - PUC-Rio
-** $Id: lua.h,v 3.7 1994/11/13 16:17:04 roberto Exp $
+** $Id: lua.h,v 3.8 1994/11/17 16:41:42 roberto Exp roberto $
 */
 
 
@@ -13,14 +13,13 @@
  
 typedef enum
 {
- LUA_T_MARK,
- LUA_T_NIL,
- LUA_T_NUMBER,
- LUA_T_STRING,
- LUA_T_ARRAY,
- LUA_T_FUNCTION,
- LUA_T_CFUNCTION,
- LUA_T_USERDATA
+ LUA_T_NIL      = -1,
+ LUA_T_NUMBER   = -2,
+ LUA_T_STRING   = -3,
+ LUA_T_ARRAY    = -4,
+ LUA_T_FUNCTION = -5,
+ LUA_T_CFUNCTION= -6,
+ LUA_T_USERDATA = 0
 } lua_Type;
  
 
@@ -53,7 +52,7 @@ int 	       lua_pushnil 		(void);
 int            lua_pushnumber           (float n);
 int            lua_pushstring           (char *s);
 int            lua_pushcfunction        (lua_CFunction fn);
-int            lua_pushuserdata         (void *u);
+int            lua_pushusertag          (void *u, int tag);
 int            lua_pushobject           (lua_Object object);
 
 lua_Object     lua_getglobal            (char *name);
@@ -77,6 +76,8 @@ lua_Object     lua_createTable		(int initSize);
 #define lua_getindexed(o,n) (lua_pushobject(o), lua_pushnumber(n), lua_getsubscript())
 #define lua_getfield(o,f)   (lua_pushobject(o), lua_pushstring(f), lua_getsubscript())
 
+#define lua_pushuserdata(u)     lua_pushusertag(u,LUA_USERDATA)
+
 #define lua_isnil(_)            (lua_type(_)==LUA_T_NIL)
 #define lua_isnumber(_)         (lua_type(_)==LUA_T_NUMBER)
 #define lua_isstring(_)         (lua_type(_)==LUA_T_STRING)