From 07e3edcdf249318fa24d641d1ddf96de43ccaa5a Mon Sep 17 00:00:00 2001
From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Thu, 6 Apr 2023 18:22:38 +0200
Subject: girparser: Apply "instance_idx" metadata for delegates

---
 vala/valagirparser.vala | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/vala/valagirparser.vala b/vala/valagirparser.vala
index 355d0fa74..886f01757 100644
--- a/vala/valagirparser.vala
+++ b/vala/valagirparser.vala
@@ -3458,6 +3458,13 @@ public class Vala.GirParser : CodeVisitor {
 				Report.error (get_current_src (), "instance_idx required when converting function to method");
 			}
 		}
+		if (element_name == "callback") {
+			if (metadata.has_argument (ArgumentType.INSTANCE_IDX)) {
+				instance_idx = metadata.get_integer (ArgumentType.INSTANCE_IDX);
+				s.set_attribute_double ("CCode", "instance_pos", instance_idx + 0.9);
+				((Delegate) s).has_target = true;
+			}
+		}
 
 		var parameters = new ArrayList<ParameterInfo> ();
 		current.array_length_parameters = new ArrayList<int> ();
-- 
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