/*

 * Copyright (c) 2011, 2013, 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 sun.jvm.hotspot.ci;

import java.io.PrintStream;

import java.util.*;

import sun.jvm.hotspot.debugger.*;

import sun.jvm.hotspot.runtime.*;

import sun.jvm.hotspot.oops.*;

import sun.jvm.hotspot.opto.*;

import sun.jvm.hotspot.compiler.CompileTask;

import sun.jvm.hotspot.prims.JvmtiExport;

import sun.jvm.hotspot.types.*;

import sun.jvm.hotspot.utilities.GrowableArray;

public class ciEnv extends VMObject {

  static {

    VM.registerVMInitializedObserver(new Observer() {

        public void update(Observable o, Object data) {

          initialize(VM.getVM().getTypeDataBase());

        }

      });

  }

  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {

    Type type      = db.lookupType("ciEnv");

    dependenciesField = type.getAddressField("_dependencies");

    factoryField = type.getAddressField("_factory");

    compilerDataField = type.getAddressField("_compiler_data");

    taskField = type.getAddressField("_task");

    systemDictionaryModificationCounterField = new CIntField(type.getCIntegerField("_system_dictionary_modification_counter"), 0);

  }

  private static AddressField dependenciesField;

  private static AddressField factoryField;

  private static AddressField compilerDataField;

  private static AddressField taskField;

  private static CIntField systemDictionaryModificationCounterField;

  public ciEnv(Address addr) {

    super(addr);

  }

  public Compile compilerData() {

    return new Compile(compilerDataField.getValue(this.getAddress()));

  }

  public ciObjectFactory factory() {

    return new ciObjectFactory(factoryField.getValue(this.getAddress()));

  }

  public CompileTask task() {

    return new CompileTask(taskField.getValue(this.getAddress()));

  }

  public void dumpReplayData(PrintStream out) {

    out.println("JvmtiExport can_access_local_variables " +

                (JvmtiExport.canAccessLocalVariables() ? '1' : '0'));

    out.println("JvmtiExport can_hotswap_or_post_breakpoint " +

                (JvmtiExport.canHotswapOrPostBreakpoint() ? '1' : '0'));

    out.println("JvmtiExport can_post_on_exceptions " +

                (JvmtiExport.canPostOnExceptions() ? '1' : '0'));

    GrowableArray<ciMetadata> objects = factory().objects();

    out.println("# " + objects.length() + " ciObject found");

    for (int i = 0; i < objects.length(); i++) {

      ciMetadata o = objects.at(i);

      out.println("# ciMetadata" + i + " @ " + o);

      o.dumpReplayData(out);

    }

    CompileTask task = task();

    Method method = task.method();

    int entryBci = task.osrBci();

    int compLevel = task.compLevel();

    Klass holder = method.getMethodHolder();

  }

}