/*
 * Copyright (c) 2015, 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.
 *
 * 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.oracle.graal.hotspot;

import com.oracle.graal.options.Option;
import com.oracle.graal.options.OptionType;
import com.oracle.graal.options.OptionValue;

import jdk.vm.ci.hotspot.HotSpotVMConfig;

/**
 * Options related to {@link CompileTheWorld}.
 *
 * Note: This must be a top level class to work around for <a
 * href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=477597">Eclipse bug 477597</a>.
 */
public class CompileTheWorldOptions {
    // @formatter:off
    @Option(help = "Class path denoting methods to compile", type = OptionType.Debug)
    public static final OptionValue<String> CompileTheWorldClasspath = new OptionValue<>(CompileTheWorld.SUN_BOOT_CLASS_PATH);
    @Option(help = "Verbose CompileTheWorld operation", type = OptionType.Debug)
    public static final OptionValue<Boolean> CompileTheWorldVerbose = new OptionValue<>(true);
    @Option(help = "The number of CompileTheWorld iterations to perform", type = OptionType.Debug)
    public static final OptionValue<Integer> CompileTheWorldIterations = new OptionValue<>(1);
    @Option(help = "Only compile methods matching this filter", type = OptionType.Debug)
    public static final OptionValue<String> CompileTheWorldMethodFilter = new OptionValue<>(null);
    @Option(help = "Exclude methods matching this filter from compilation", type = OptionType.Debug)
    public static final OptionValue<String> CompileTheWorldExcludeMethodFilter = new OptionValue<>(null);
    @Option(help = "First class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug)
    public static final OptionValue<Integer> CompileTheWorldStartAt = new OptionValue<>(1);
    @Option(help = "Last class to consider when using -XX:+CompileTheWorld", type = OptionType.Debug)
    public static final OptionValue<Integer> CompileTheWorldStopAt = new OptionValue<>(Integer.MAX_VALUE);
    @Option(help = "Option value overrides to use during compile the world. For example, " +
                   "to disable inlining and partial escape analysis specify '-PartialEscapeAnalysis -Inline'. " +
                   "The format for each option is the same as on the command line just without the '-G:' prefix.", type = OptionType.Debug)
    public static final OptionValue<String> CompileTheWorldConfig = new OptionValue<>(null);

    @Option(help = "Run CTW using as many threads as there are processors on the system", type = OptionType.Debug)
    public static final OptionValue<Boolean> CompileTheWorldMultiThreaded = new OptionValue<>(false);
    @Option(help = "Number of threads to use for multithreaded CTW.  Defaults to Runtime.getRuntime().availableProcessors()", type = OptionType.Debug)
    public static final OptionValue<Integer> CompileTheWorldThreads = new OptionValue<>(0);
    // @formatter:on

    /**
     * Overrides {@link #CompileTheWorldStartAt} and {@link #CompileTheWorldStopAt} from {@code -XX}
     * HotSpot options of the same name if the latter have non-default values.
     */
    public static void overrideWithNativeOptions(HotSpotVMConfig c) {
        if (c.compileTheWorldStartAt != 1) {
            CompileTheWorldStartAt.setValue(c.compileTheWorldStartAt);
        }
        if (c.compileTheWorldStopAt != Integer.MAX_VALUE) {
            CompileTheWorldStopAt.setValue(c.compileTheWorldStopAt);
        }
    }
}