[vala] Fix delegate out parameters

[Jürg Billeter <juergbi src gnome org>]

commit 956f8bec01b81820ce18595a9b619ee685f4c8ae
Author: Levi Bard <taktaktaktaktaktaktaktaktaktak gmail com>
Date:   Thu May 7 15:59:22 2009 +0200

    Fix delegate out parameters
    
    Fixes bug 578412.
---
 gobject/valaccodedelegatemodule.vala |    6 ++++--
 tests/delegates/delegates.test       |    7 +++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/gobject/valaccodedelegatemodule.vala b/gobject/valaccodedelegatemodule.vala
index 1eab032..7975204 100644
--- a/gobject/valaccodedelegatemodule.vala
+++ b/gobject/valaccodedelegatemodule.vala
@@ -400,9 +400,11 @@ internal class Vala.CCodeDelegateModule : CCodeArrayModule {
 		}
 
 		string ctypename = param.parameter_type.get_cname ();
+		string target_ctypename = "void*";
 
 		if (param.direction != ParameterDirection.IN) {
 			ctypename += "*";
+			target_ctypename += "*";
 		}
 
 		param.ccodenode = new CCodeFormalParameter (get_variable_cname (param.name), ctypename);
@@ -419,7 +421,7 @@ internal class Vala.CCodeDelegateModule : CCodeArrayModule {
 			generate_delegate_declaration (d, decl_space);
 
 			if (d.has_target) {
-				var cparam = new CCodeFormalParameter (get_delegate_target_cname (get_variable_cname (param.name)), "void*");
+				var cparam = new CCodeFormalParameter (get_delegate_target_cname (get_variable_cname (param.name)), target_ctypename);
 				cparam_map.set (get_param_pos (param.cdelegate_target_parameter_position), cparam);
 				if (carg_map != null) {
 					carg_map.set (get_param_pos (param.cdelegate_target_parameter_position), get_variable_cexpression (cparam.name));
@@ -433,7 +435,7 @@ internal class Vala.CCodeDelegateModule : CCodeArrayModule {
 				}
 			}
 		} else if (param.parameter_type is MethodType) {
-			var cparam = new CCodeFormalParameter (get_delegate_target_cname (get_variable_cname (param.name)), "void*");
+			var cparam = new CCodeFormalParameter (get_delegate_target_cname (get_variable_cname (param.name)), target_ctypename);
 			cparam_map.set (get_param_pos (param.cdelegate_target_parameter_position), cparam);
 			if (carg_map != null) {
 				carg_map.set (get_param_pos (param.cdelegate_target_parameter_position), get_variable_cexpression (cparam.name));
diff --git a/tests/delegates/delegates.test b/tests/delegates/delegates.test
index 504ff08..0885f3e 100644
--- a/tests/delegates/delegates.test
+++ b/tests/delegates/delegates.test
@@ -41,6 +41,10 @@ class Maman.Bar : Object, Foo {
 		instance_cb (42);
 	}
 
+	void assign_instance_delegate (out InstanceCallback instance_cb) {
+		instance_cb = foo_method;
+	}
+
 	static void test_function_pointers () {
 		stdout.printf ("testing function pointers:");
 		var table = new HashTable<string, Bar>.full (str_hash, str_equal, g_free, Object.unref);
@@ -82,6 +86,9 @@ class Maman.Bar : Object, Foo {
 		InstanceCallback instance_cb = bar.do_instance_action;
 		call_instance_delegate (instance_cb);
 
+		bar.assign_instance_delegate (out instance_cb);
+		call_instance_delegate (instance_cb);
+
 		stdout.printf (" 7\n");
 
 		test_function_pointers ();