vala: Add common Callable interface for Method, Delegate and Signal.

https://bugzilla.gnome.org/show_bug.cgi?id=639124

1 files changed, 45 insertions, 0 deletions

diff --git a/vala/valacallable.vala b/vala/valacallable.vala
new file mode 100644
index 000000000..5b29aa9ff
--- /dev/null
+++ b/vala/valacallable.vala
@@ -0,0 +1,45 @@
+/* valacallable.vala
+ *
+ * Copyright (C) 2011  Luca Bruno
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
+ *
+ * Author:
+ * 	Luca Bruno <lucabru@src.gnome.org>
+ */
+
+using GLib;
+
+/**
+ * Interface for all callable types.
+ */
+public interface Vala.Callable : CodeNode {
+	/**
+	 * The return type of this callable.
+	 */
+	public abstract DataType return_type { get; set; }
+
+	/**
+	 * Appends parameter to this callable.
+	 *
+	 * @param param a formal parameter
+	 */
+	public abstract void add_parameter (Parameter param);
+
+	/**
+	 * Returns the parameter list.
+	 */
+	public abstract List<Parameter> get_parameters ();
+}