diff agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/LazyType.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/LazyType.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.debugger.cdbg.basic;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.utilities.Assert;
+
+public class LazyType extends BasicType {
+  private Object key;
+  private int    cvAttributes;
+
+  public LazyType(Object key) {
+    this(key, 0);
+  }
+
+  private LazyType(Object key, int cvAttributes) {
+    super(null, 0, cvAttributes);
+    if (Assert.ASSERTS_ENABLED) {
+      Assert.that(key != null, "key must not be null");
+    }
+    this.key = key;
+    this.cvAttributes = cvAttributes;
+  }
+
+  public boolean isLazy() { return true; }
+  public Object getKey()  { return key; }
+
+  Type resolveTypes(BasicCDebugInfoDataBase db, ResolveListener listener) {
+    BasicType t = (BasicType) db.resolveType(this, this, listener, "resolving lazy type");
+    // Returned type might be lazy if there was an error
+    if (t.isLazy()) {
+      return this;
+    }
+    if (cvAttributes != 0) {
+      return t.getCVVariant(cvAttributes);
+    }
+    return t;
+  }
+
+  public void iterateObject(Address a, ObjectVisitor v, FieldIdentifier f) {}
+  protected Type createCVVariant(int cvAttributes) {
+    return new LazyType(key, cvAttributes);
+  }
+
+  public void visit(TypeVisitor v) {}
+}