Java example source code file (ciArrayKlass.hpp)

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arrayklass, arrayklass\*, basictype, ci_package_access, jls, share_vm_ci_ciarrayklass_hpp

The ciArrayKlass.hpp Java example source code

/*
 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
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#ifndef SHARE_VM_CI_CIARRAYKLASS_HPP
#define SHARE_VM_CI_CIARRAYKLASS_HPP

#include "ci/ciKlass.hpp"

// ciArrayKlass
//
// This class, and its subclasses represent Klass*s in the
// HotSpot virtual machine whose Klass part is an ArrayKlass.
class ciArrayKlass : public ciKlass {
  CI_PACKAGE_ACCESS
private:
  jint _dimension;

protected:
  ciArrayKlass(KlassHandle h_k);
  ciArrayKlass(ciSymbol* name, int dimension, BasicType bt);

  ArrayKlass* get_ArrayKlass() {
    return (ArrayKlass*)get_Klass();
  }

  const char* type_string() { return "ciArrayKlass"; }

public:
  jint dimension() { return _dimension; }
  ciType* element_type();       // JLS calls this the "component type"
  ciType* base_element_type();  // JLS calls this the "element type"
  bool is_leaf_type();          // No subtypes of this array type.

  ciInstance* component_mirror() {
    // This is a real field in ArrayKlass, but we derive it from element_type.
    return element_type()->java_mirror();
  }

  // What kind of vmObject is this?
  bool is_array_klass() const { return true; }
  bool is_java_klass() const  { return true; }

  static ciArrayKlass* make(ciType* element_type);
};

#endif // SHARE_VM_CI_CIARRAYKLASS_HPP