warner.java

是一款用JAVA 编写的编译器 具有很强的编译功能

/*
 * Copyright 2003-2006 Sun Microsystems, Inc.  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.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

package com.sun.tools.javac.util;

import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition;

/**
 * An interface to support optional warnings, needed for support of
 * unchecked conversions and unchecked casts.
 *
 * <p>Nothing described in this source file is part of any supported
 * API.  If you write code that depends on this, you do so at your own
 * risk.  This code and its internal interfaces are subject to change
 * or deletion without notice.
 */
public class Warner {
    public static final Warner noWarnings = new Warner();

    private DiagnosticPosition pos = null;
    public boolean warned = false;
    public boolean unchecked = false;

    public DiagnosticPosition pos() {
        return pos;
    }

    public void warnUnchecked() {
        warned = true;
        unchecked = true;
    }
    public void silentUnchecked() {
        unchecked = true;
    }

    public Warner(DiagnosticPosition pos) {
        this.pos = pos;
    }

    public Warner() {
        this(null);
    }
}