JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2001, 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.debugger.cdbg.basic;

import java.util.*;

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.cdbg.*;

public class BasicBlockSym extends BasicSym implements BlockSym {
  private BlockSym parent;
  private long     length;
  private Address  addr;

  private List     locals;

  /** Creates a new BlockSym. Parent can be null. */
  public BasicBlockSym(BlockSym parent, long length, Address addr, String name) {
    super(name);
    this.parent = parent;
    this.length = length;
    this.addr   = addr;
  }

  public BlockSym asBlock()   { return this; }

  public BlockSym getParent() { return parent; }
  public long getLength()     { return length; }
  public Address getAddress() { return addr; }

  public int getNumLocals() {
    if (locals == null) {
      return 0;
    }

    return locals.size();
  }

  public LocalSym getLocal(int i) {
    return (LocalSym) locals.get(i);
  }

  public void addLocal(LocalSym local) {
    if (locals == null) {
      locals = new ArrayList();
    }
    locals.add(local);
  }

  public void resolve(BasicCDebugInfoDataBase db, ResolveListener listener) {

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