/*

 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package com.sun.codemodel.internal;

import java.util.ArrayList;

import java.util.List;

/**

 * For statement

 */

public class JForLoop implements JStatement {

    private List<Object> inits = new ArrayList<Object>();

    private JExpression test = null;

    private List<JExpression> updates = new ArrayList<JExpression>();

    private JBlock body = null;

    public JVar init(int mods, JType type, String var, JExpression e) {

        JVar v = new JVar(JMods.forVar(mods), type, var, e);

        inits.add(v);

        return v;

    }

    public JVar init(JType type, String var, JExpression e) {

        return init(JMod.NONE, type, var, e);

    }

    public void init(JVar v, JExpression e) {

        inits.add(JExpr.assign(v, e));

    }

    public void test(JExpression e) {

        this.test = e;

    }

    public void update(JExpression e) {

        updates.add(e);

    }

    public JBlock body() {

        if (body == null) body = new JBlock();

        return body;

    }

    public void state(JFormatter f) {

        f.p("for (");

        boolean first = true;

        for (Object o : inits) {

            if (!first) f.p(',');

            if (o instanceof JVar)

                f.b((JVar) o);

            else

                f.g((JExpression) o);

            first = false;

        }

        f.p(';').g(test).p(';').g(updates).p(')');

        if (body != null)

            f.g(body).nl();

        else

            f.p(';').nl();

    }

}