[vala/switch-to-gir] girparser: Report empty metadata

[Luca Bruno <lucabru src gnome org>]

commit 74a39c9f43176424e8e3c4caa0fe6e747ab85873
Author: Luca Bruno <lethalman88 gmail com>
Date:   Thu Aug 26 10:22:23 2010 +0200

    girparser: Report empty metadata

 vala/valagirparser.vala |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index f0dc8f5..2fbde9d 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -2016,6 +2016,15 @@ public class Vala.GirParser : CodeVisitor {
 	}
 
 	void report_unused_metadata (Metadata metadata) {
+		if (metadata == Metadata.empty) {
+			return;
+		}
+
+		if (metadata.args.size == 0 && metadata.children.size == 0) {
+			Report.warning (metadata.source_reference, "empty metadata");
+			return;
+		}
+
 		foreach (var arg_type in metadata.args.get_keys ()) {
 			var arg = metadata.args[arg_type];
 			if (!arg.used) {