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3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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24 
25 package sun.jvm.hotspot.debugger.cdbg.basic;
26 
27 import sun.jvm.hotspot.debugger.*;
28 import sun.jvm.hotspot.debugger.cdbg.*;
29 import sun.jvm.hotspot.utilities.Assert;
30 
31 public class LazyType extends BasicType {
32   private Object key;
33   private int    cvAttributes;
34 
LazyType(Object key)35   public LazyType(Object key) {
36     this(key, 0);
37   }
38 
LazyType(Object key, int cvAttributes)39   private LazyType(Object key, int cvAttributes) {
40     super(null, 0, cvAttributes);
41     if (Assert.ASSERTS_ENABLED) {
42       Assert.that(key != null, "key must not be null");
43     }
44     this.key = key;
45     this.cvAttributes = cvAttributes;
46   }
47 
isLazy()48   public boolean isLazy() { return true; }
getKey()49   public Object getKey()  { return key; }
50 
resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener)51   Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) {
52     BasicType t = (BasicType) db.resolveType(this, this, listener, "resolving lazy type");
53     // Returned type might be lazy if there was an error
54     if (t.isLazy()) {
55       return this;
56     }
57     if (cvAttributes != 0) {
58       return t.getCVVariant(cvAttributes);
59     }
60     return t;
61   }
62 
iterateObject(Address a, ObjectVisitor v, FieldIdentifier f)63   public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) {}
createCVVariant(int cvAttributes)64   protected Type createCVVariant(int cvAttributes) {
65     return new LazyType(key, cvAttributes);
66   }
67 
visit(TypeVisitor v)68   public void visit(TypeVisitor v) {}
69 }
70