ciArrayKlass.hpp revision 3602:da91efe96a93 
1/*
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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24
25#ifndef SHARE_VM_CI_CIARRAYKLASS_HPP
26#define SHARE_VM_CI_CIARRAYKLASS_HPP
27
28#include "ci/ciKlass.hpp"
29
30// ciArrayKlass
31//
32// This class, and its subclasses represent Klass*s in the
33// HotSpot virtual machine whose Klass part is an arrayKlass.
34class ciArrayKlass : public ciKlass {
35  CI_PACKAGE_ACCESS
36private:
37  jint _dimension;
38
39protected:
40  ciArrayKlass(KlassHandle h_k);
41  ciArrayKlass(ciSymbol* name, int dimension, BasicType bt);
42
43  arrayKlass* get_arrayKlass() {
44    return (arrayKlass*)get_Klass();
45  }
46
47  const char* type_string() { return "ciArrayKlass"; }
48
49public:
50  jint dimension() { return _dimension; }
51  ciType* element_type();       // JLS calls this the "component type"
52  ciType* base_element_type();  // JLS calls this the "element type"
53  bool is_leaf_type();          // No subtypes of this array type.
54
55  ciInstance* component_mirror() {
56    // This is a real field in arrayKlass, but we derive it from element_type.
57    return element_type()->java_mirror();
58  }
59
60  // What kind of vmObject is this?
61  bool is_array_klass() const { return true; }
62  bool is_java_klass() const  { return true; }
63
64  static ciArrayKlass* make(ciType* element_type);
65};
66
67#endif // SHARE_VM_CI_CIARRAYKLASS_HPP
68