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/* taglet.vala
 *
 * Copyright (C) 2008-2009 Didier Villevalois
 * Copyright (C) 2008-2012 Florian Brosch
 *
 * 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:
 * 	Didier 'Ptitjes Villevalois <ptitjes@free.fr>
 */


using Valadoc.Content;

public class Valadoc.Taglets.Return : BlockContent, Taglet, Block {
	public Rule? get_parser_rule (Rule run_rule) {
		return run_rule;
	}

	public override void check (Api.Tree api_root, Api.Node container, string file_path,
								ErrorReporter reporter, Settings settings) {
		Api.TypeReference? type_ref = null;
		bool creation_method = false;

		if (container is Api.Method) {
			creation_method = ((Api.Method) container).is_constructor;
			type_ref = ((Api.Method) container).return_type;
		} else if (container is Api.Callable) {
			type_ref = ((Api.Callable) container).return_type;
		} else {
			reporter.simple_warning ("%s: %s: @return".printf (file_path, container.get_full_name ()),
									 "@return used outside method/delegate/signal context");
		}

		if (type_ref != null && type_ref.data_type == null && !creation_method) {
			reporter.simple_warning ("%s: %s: @return".printf (file_path, container.get_full_name ()),
									 "Return description declared for void function");
		}

		base.check (api_root, container, file_path, reporter, settings);
	}

	public override void accept (ContentVisitor visitor) {
		visitor.visit_taglet (this);
	}

	public Vala.List<ContentElement>? get_inheritable_documentation () {
		return content;
	}

	public bool inheritable (Taglet taglet) {
		return taglet is Taglets.Return;
	}

	public override ContentElement copy (ContentElement? new_parent = null) {
		Return ret = new Return ();
		ret.parent = new_parent;

		foreach (Block element in content) {
			Block copy = element.copy (ret) as Block;
			ret.content.add (copy);
		}

		return ret;
	}
}