jdk8-mips64-public/langtools: src/share/classes/com/sun/tools/javac/util/Warner.java@dc8b7aa7cef3

     1 /*

     2  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.  Oracle designates this

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

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

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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

    15  * accompanied this code).

    16  *

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

    18  * 2 along with this work; if not, write to the Free Software Foundation,

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

    20  *

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

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

    23  * questions.

    24  */

    26 package com.sun.tools.javac.util;

    28 import com.sun.tools.javac.code.Lint.LintCategory;

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

    30 import java.util.EnumSet;

    32 /**

    33  * An interface to support optional warnings, needed for support of

    34  * unchecked conversions and unchecked casts.

    35  *

    36  * <p><b>This is NOT part of any supported API.

    37  * If you write code that depends on this, you do so at your own risk.

    38  * This code and its internal interfaces are subject to change or

    39  * deletion without notice.</b>

    40  */

    41 public class Warner {

    43     private DiagnosticPosition pos = null;

    44     protected boolean warned = false;

    45     private EnumSet<LintCategory> nonSilentLintSet = EnumSet.noneOf(LintCategory.class);

    46     private EnumSet<LintCategory> silentLintSet = EnumSet.noneOf(LintCategory.class);

    48     public DiagnosticPosition pos() {

    49         return pos;

    50     }

    52     public void warn(LintCategory lint) {

    53         nonSilentLintSet.add(lint);

    54     }

    56     public void silentWarn(LintCategory lint) {

    57         silentLintSet.add(lint);

    58     }

    60     public Warner(DiagnosticPosition pos) {

    61         this.pos = pos;

    62     }

    64     public boolean hasSilentLint(LintCategory lint) {

    65         return silentLintSet.contains(lint);

    66     }

    68     public boolean hasNonSilentLint(LintCategory lint) {

    69         return nonSilentLintSet.contains(lint);

    70     }

    72     public boolean hasLint(LintCategory lint) {

    73         return hasSilentLint(lint) ||

    74                 hasNonSilentLint(lint);

    75     }

    77     public void clear() {

    78         nonSilentLintSet.clear();

    79         silentLintSet.clear();

    80         this.warned = false;

    81     }

    83     public Warner() {

    84         this(null);

    85     }

    86 }

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