1 /*
   2  * Copyright (c) 2001, 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores,
  20  * CA 94065 USA or visit www.oracle.com if you need additional information or
  21  * have any questions.
  22  *
  23  */
  24 
  25 package sun.jvm.hotspot.debugger.cdbg.basic;
  26 
  27 import java.util.*;
  28 
  29 import sun.jvm.hotspot.debugger.*;
  30 import sun.jvm.hotspot.debugger.cdbg.*;
  31 
  32 public class BasicBlockSym extends BasicSym implements BlockSym {
  33   private BlockSym parent;
  34   private long     length;
  35   private Address  addr;
  36 
  37   private List     locals;
  38 
  39   /** Creates a new BlockSym. Parent can be null. */
  40   public BasicBlockSym(BlockSym parent, long length, Address addr, String name) {
  41     super(name);
  42     this.parent = parent;
  43     this.length = length;
  44     this.addr   = addr;
  45   }
  46 
  47   public BlockSym asBlock()   { return this; }
  48 
  49   public BlockSym getParent() { return parent; }
  50   public long getLength()     { return length; }
  51   public Address getAddress() { return addr; }
  52 
  53   public int getNumLocals() {
  54     if (locals == null) {
  55       return 0;
  56     }
  57 
  58     return locals.size();
  59   }
  60 
  61   public LocalSym getLocal(int i) {
  62     return (LocalSym) locals.get(i);
  63   }
  64 
  65   public void addLocal(LocalSym local) {
  66     if (locals == null) {
  67       locals = new ArrayList();
  68     }
  69     locals.add(local);
  70   }
  71 
  72   public void resolve(BasicCDebugInfoDataBase db, ResolveListener listener) {
  73     parent = (BlockSym) db.resolveSym(this, parent, listener, "resolving parent of block");
  74     if (locals != null) {
  75       for (Iterator iter = locals.iterator(); iter.hasNext(); ) {
  76         ((BasicLocalSym) iter.next()).resolve(db, listener);
  77       }
  78     }
  79   }
  80 }