luaa: add support for conffile in index

Signed-off-by: Julien Danjou <julien@danjou.info>

common/tokenize.gperf

@@ -17,6 +17,7 @@ client
 color
 Control
 coords
+conffile
 Ctrl
 east
 ellipsize

lib/awful/util.lua.in

@@ -128,7 +128,7 @@ end
 -- If it's not ok, the error will be returned.
 -- @return Never return if awesome restart, or return a string error.
 function restart()
-    local c = checkfile(capi.awesome.conffile())
+    local c = checkfile(capi.awesome.conffile)
 
     if type(c) ~= "function" then
         return c

luaa.c

@@ -166,19 +166,6 @@ luaA_font_set(lua_State *L)
     return 0;
 }
 
-/** Get configuration file path used by awesome.
- * \param L The Lua VM state.
- * \return The number of elements pushed on stack.
- * \luastack
- * \lreturn The awesome configuration file path.
- */
-static int
-luaA_conffile(lua_State *L)
-{
-    lua_pushstring(L, globalconf.conffile);
-    return 1;
-}
-
 /** Set default colors.
  * \param L The Lua VM state.
  * \return The number of elements pushed on stack.
@@ -748,6 +735,9 @@ luaA_mouse_add(lua_State *L)
 /** awesome global table.
  * \param L The Lua VM state.
  * \return The number of elements pushed on stack.
+ * \luastack
+ * \lfield font The default font.
+ * \lfield conffile The configuration file which has been loaded.
  */
 static int
 luaA_awesome_index(lua_State *L)
@@ -767,6 +757,9 @@ luaA_awesome_index(lua_State *L)
             g_free(font);
         }
         break;
+      case A_TK_CONFFILE:
+        lua_pushstring(L, globalconf.conffile);
+        break;
       default:
         return 0;
     }
@@ -831,7 +824,6 @@ luaA_init(void)
         { "font_set", luaA_font_set },
         { "colors_set", luaA_colors_set },
         { "colors", luaA_colors },
-        { "conffile", luaA_conffile },
         { "__index", luaA_awesome_index },
         { "__newindex", luaA_awesome_newindex },
         /* deprecated */