/**
 * Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
define(['require','lodash', 'log', 'event_channel', './abstract-source-gen-visitor', '../../ast/module',],
    function(require, _, log, EventChannel, AbstractSourceGenVisitor, AST) {

        var ReturnTypeVisitor = function(parent){
            AbstractSourceGenVisitor.call(this,parent);
        };

        ReturnTypeVisitor.prototype = Object.create(AbstractSourceGenVisitor.prototype);
        ReturnTypeVisitor.prototype.constructor = ReturnTypeVisitor;

        ReturnTypeVisitor.prototype.canVisitReturnType = function (returnType) {
            return true;
        };

        ReturnTypeVisitor.prototype.beginVisitReturnType = function (returnType) {
           this.appendSource('( ');
           log.debug('Begin Visit Return Type');
        };

        ReturnTypeVisitor.prototype.visitReturnType = function (returnType) {
            log.debug('Visit Return Type');
        };

        ReturnTypeVisitor.prototype.endVisitReturnType = function (returnType) {
           this.appendSource(' )');
           this.getParent().appendSource(this.getGeneratedSource());
           log.debug('End Visit Return Type');
        };

        return ReturnTypeVisitor;
    });