From f380d627f8f018e029c889e809f1c0f9cc6fc2e5 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 12 Feb 1998 17:23:32 -0200
Subject: usefull macros also available as functions

---
 lapi.c     | 23 ++++++++++++++++++++++-
 lbuiltin.c |  4 ++--
 lua.h      | 11 +++++++++--
 3 files changed, 33 insertions(+), 5 deletions(-)

diff --git a/lapi.c b/lapi.c
index a1e975a3..8528dd65 100644
--- a/lapi.c
+++ b/lapi.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lapi.c,v 1.19 1998/01/09 14:44:55 roberto Exp roberto $
+** $Id: lapi.c,v 1.20 1998/01/27 19:13:45 roberto Exp roberto $
 ** Lua API
 ** See Copyright Notice in lua.h
 */
@@ -572,6 +572,27 @@ lua_Object lua_getref (int ref)
 }
 
 
+/*
+** =======================================================
+** Derived functions
+** =======================================================
+*/
+int (lua_call) (char *name) { return lua_call(name); }
+
+void (lua_pushref) (int ref) { lua_pushref(ref); }
+
+int (lua_refobject) (lua_Object o, int l) { return lua_refobject(o, l); }
+
+void (lua_register) (char *n, lua_CFunction f) { lua_register(n, f); }
+
+void (lua_pushuserdata) (void *u) { lua_pushuserdata(u); }
+
+void (lua_pushcfunction) (lua_CFunction f) { lua_pushcfunction(f); }
+
+int (lua_clonetag) (int t) { return lua_clonetag(t); }
+
+
+
 
 #ifdef LUA_COMPAT2_5
 /*
diff --git a/lbuiltin.c b/lbuiltin.c
index 13ea4fa1..5562ccff 100644
--- a/lbuiltin.c
+++ b/lbuiltin.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbuiltin.c,v 1.22 1998/01/07 16:26:48 roberto Exp roberto $
+** $Id: lbuiltin.c,v 1.23 1998/01/19 19:49:22 roberto Exp roberto $
 ** Built-in functions
 ** See Copyright Notice in lua.h
 */
@@ -444,7 +444,7 @@ static void testC (void)
       case '=': lua_setglobal(getname(s)); break;
       case 's': lua_pushstring(getname(s)); break;
       case 'o': lua_pushobject(reg[getnum(s)]); break;
-      case 'f': lua_call(getname(s)); break;
+      case 'f': (lua_call)(getname(s)); break;
       case 'i': reg[getnum(s)] = lua_gettable(); break;
       case 'I': reg[getnum(s)] = lua_rawgettable(); break;
       case 't': lua_settable(); break;
diff --git a/lua.h b/lua.h
index 71601e59..4e11f987 100644
--- a/lua.h
+++ b/lua.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.h,v 1.13 1998/01/02 17:46:32 roberto Exp roberto $
+** $Id: lua.h,v 1.14 1998/01/07 16:26:48 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
@@ -126,20 +126,27 @@ long	       lua_collectgarbage	(long limit);
 
 
 /* =============================================================== */
-/* some useful macros */
+/* some useful macros/derived functions */
 
+int     (lua_call) (char *name);
 #define lua_call(name)		lua_callfunction(lua_getglobal(name))
 
+void    (lua_pushref) (int ref);
 #define lua_pushref(ref)	lua_pushobject(lua_getref(ref))
 
+int     (lua_refobject) (lua_Object o, int l);
 #define lua_refobject(o,l)	(lua_pushobject(o), lua_ref(l))
 
+void    (lua_register) (char *n, lua_CFunction f);
 #define lua_register(n,f)	(lua_pushcfunction(f), lua_setglobal(n))
 
+void    (lua_pushuserdata) (void *u);
 #define lua_pushuserdata(u)     lua_pushusertag(u, 0)
 
+void    (lua_pushcfunction) (lua_CFunction f);
 #define lua_pushcfunction(f)	lua_pushCclosure(f, 0)
 
+int     (lua_clonetag) (int t);
 #define lua_clonetag(t)		lua_copytagmethods(lua_newtag(), (t))
 
 
-- 
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