From 93b3f8f979e3bd6315df66ec8e12b1c53b628cf6 Mon Sep 17 00:00:00 2001
From: Sebastien Binet <binet@cern.ch>
Date: Fri, 7 Aug 2015 13:43:07 +0200
Subject: [PATCH] bind: needWrapType - preliminary support for
 interfaces+namedtypes

Change-Id: Ia4ef5bcf3ef36eecb02cd63e5beadc1177ef1484
---
 bind/types.go | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/bind/types.go b/bind/types.go
index 5b0a85b..aab36ad 100644
--- a/bind/types.go
+++ b/bind/types.go
@@ -22,18 +22,28 @@ type Type interface {
 
 func needWrapType(typ types.Type) bool {
 	switch typ.(type) {
+	case *types.Basic:
+		return false
 	case *types.Struct:
 		return true
 	case *types.Named:
-		switch typ.Underlying().(type) {
-		case *types.Struct:
-			return true
+		switch ut := typ.Underlying().(type) {
+		case *types.Basic:
+			return false
+		default:
+			return needWrapType(ut)
 		}
 	case *types.Array:
 		return true
 	case *types.Slice:
 		return true
 	case *types.Interface:
+		wrap := true
+		if typ.Underlying() == universe.syms["error"].GoType().Underlying() {
+			wrap = false
+		}
+		return wrap
+	case *types.Signature:
 		return true
 	}
 	return false