hotspot/src/share/vm/shark/sharkConstant.hpp
changeset 6187 4fa7845f7c14
child 7397 5b173b4ca846
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/shark/sharkConstant.hpp	Wed Aug 11 05:51:21 2010 -0700
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2009 Red Hat, Inc.
+ * 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.
+ *
+ */
+
+class SharkConstant : public ResourceObj {
+ public:
+  static SharkConstant* for_ldc(ciBytecodeStream* iter);
+  static SharkConstant* for_field(ciBytecodeStream* iter);
+
+ private:
+  SharkConstant(ciConstant constant, ciType* type);
+
+ private:
+  SharkValue* _value;
+  ciObject*   _object;
+  ciType*     _type;
+  bool        _is_loaded;
+  bool        _is_nonzero;
+  bool        _is_two_word;
+
+ public:
+  bool is_loaded() const {
+    return _is_loaded;
+  }
+  bool is_nonzero() const {
+    assert(is_loaded(), "should be");
+    return _is_nonzero;
+  }
+  bool is_two_word() const {
+    assert(is_loaded(), "should be");
+    return _is_two_word;
+  }
+
+ public:
+  SharkValue* value(SharkBuilder* builder) {
+    assert(is_loaded(), "should be");
+    if (_value == NULL) {
+      _value = SharkValue::create_generic(
+        _type, builder->CreateInlineOop(_object), _is_nonzero);
+    }
+    return _value;
+  }
+};