hotspot/src/share/vm/ci/ciArrayKlass.hpp
author jrose
Fri, 16 Jul 2010 18:14:19 -0700
changeset 6064 71e316283a85
parent 5547 f4b087cbb361
child 7397 5b173b4ca846
permissions -rw-r--r--
6969574: invokedynamic call sites deoptimize instead of executing Reviewed-by: kvn
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/*
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 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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// ciArrayKlass
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//
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// This class, and its subclasses represent klassOops in the
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// HotSpot virtual machine whose Klass part is an arrayKlass.
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class ciArrayKlass : public ciKlass {
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private:
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  jint _dimension;
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protected:
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  ciArrayKlass(KlassHandle h_k);
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  ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass);
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  arrayKlass* get_arrayKlass() {
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    return (arrayKlass*)get_Klass();
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  }
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  const char* type_string() { return "ciArrayKlass"; }
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public:
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  jint dimension() { return _dimension; }
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  ciType* element_type();       // JLS calls this the "component type"
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  ciType* base_element_type();  // JLS calls this the "element type"
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  bool is_leaf_type();          // No subtypes of this array type.
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  ciInstance* component_mirror() {
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    // This is a real field in arrayKlass, but we derive it from element_type.
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    return element_type()->java_mirror();
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  }
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  // What kind of vmObject is this?
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  bool is_array_klass() { return true; }
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  bool is_java_klass()  { return true; }
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  static ciArrayKlass* make(ciType* element_type);
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};