1 /*
   2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  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 klassOops in the
  33 // HotSpot virtual machine whose Klass part is an arrayKlass.
  34 class ciArrayKlass : public ciKlass {
  35 private:
  36   jint _dimension;
  37 
  38 protected:
  39   ciArrayKlass(KlassHandle h_k);
  40   ciArrayKlass(ciSymbol* name, int dimension, ciKlass* klass);
  41 
  42   arrayKlass* get_arrayKlass() {
  43     return (arrayKlass*)get_Klass();
  44   }
  45 
  46   const char* type_string() { return "ciArrayKlass"; }
  47 
  48 public:
  49   jint dimension() { return _dimension; }
  50   ciType* element_type();       // JLS calls this the "component type"
  51   ciType* base_element_type();  // JLS calls this the "element type"
  52   bool is_leaf_type();          // No subtypes of this array type.
  53 
  54   ciInstance* component_mirror() {
  55     // This is a real field in arrayKlass, but we derive it from element_type.
  56     return element_type()->java_mirror();
  57   }
  58 
  59   // What kind of vmObject is this?
  60   bool is_array_klass() { return true; }
  61   bool is_java_klass()  { return true; }
  62 
  63   static ciArrayKlass* make(ciType* element_type);
  64 };
  65 
  66 #endif // SHARE_VM_CI_CIARRAYKLASS_HPP