[gjs] function: Properly mark the throws attribute

[Jasper St. Pierre <jstpierre src gnome org>]

commit 0eba751ce58cd6431a89dea8c770e9f2f6b7719e
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Fri Feb 10 10:21:22 2012 -0500

    function: Properly mark the throws attribute
    
    This is similar to a fix in gobject-introspection

 gi/function.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/gi/function.c b/gi/function.c
index ef06116..f405131 100644
--- a/gi/function.c
+++ b/gi/function.c
@@ -688,8 +688,15 @@ gjs_invoke_c_function(JSContext      *context,
             can_throw_gerror = (flags & GI_FUNCTION_THROWS) != 0;
         }
         break;
-    case GI_INFO_TYPE_CALLBACK:
     case GI_INFO_TYPE_VFUNC:
+        {
+            GIVFuncInfoFlags flags;
+            flags = g_vfunc_info_get_flags ((GIVFuncInfo *)function->info);
+            can_throw_gerror = (flags & GI_VFUNC_THROWS) != 0;
+        }
+        is_method = TRUE;
+      break;
+    case GI_INFO_TYPE_CALLBACK:
         is_method = TRUE;
         can_throw_gerror = FALSE;
         break;