[PATCH v2 5/5] widl: Don't crash if an interface is missing an uuid

[Fabian Maurer]

From: Fabian Maurer

If an interface contains methods, it must have either the uuid
or the local attribute

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55123
---
 tools/widl/parser.y | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/tools/widl/parser.y b/tools/widl/parser.y
index b802f75874d..65ab51a8910 100644
--- a/tools/widl/parser.y
+++ b/tools/widl/parser.y
@@ -2660,6 +2660,20 @@ static void check_functions(const type_t *iface, int is_inside_library)
                 check_remoting_args(func);
         }
     }
+    if (!is_attr(iface->attrs, ATTR_LOCAL) && !is_attr(iface->attrs, ATTR_UUID) && !is_attr(iface->attrs, ATTR_VERSION))
+    {
+        statement_list_t* methods = type_iface_get_stmts(iface);
+        if (methods)
+        {
+            int method_count = 0;
+            STATEMENTS_FOR_EACH_FUNC( stmt, methods )
+            {
+                method_count++;
+            }
+            if (method_count)
+                error_at( &iface->where, "Can't omit both local and uuid keyword" );
+        }
+    }
 }

static int async_iface_attrs(attr_list_t *attrs, const attr_t *attr)