1 /*
 2  * Copyright (c) 2017, 2026, 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  *
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24 
25 #ifndef SHARE_VM_CI_CIFLATARRAY_HPP
26 #define SHARE_VM_CI_CIFLATARRAY_HPP
27 
28 #include "ci/ciArray.hpp"
29 #include "ci/ciClassList.hpp"
30 
31 // ciFlatArray
32 //
33 // This class represents a flatArrayOop in the HotSpot virtual machine.
34 class ciFlatArray : public ciArray {
35   CI_PACKAGE_ACCESS
36 
37 protected:
38   ciFlatArray(flatArrayHandle h_o) : ciArray(h_o) {}
39 
40   const char* type_string() override { return "ciFlatArray"; }
41 
42 public:
43   bool is_flat_array() const override { return true; }
44   bool is_flat() override { return true; }
45 
46   // Current value of an element at the specified offset.
47   // Returns T_ILLEGAL if there is no element at the given offset.
48   ciConstant element_value_by_offset(intptr_t element_offset) override;
49   ciConstant field_value_by_offset(intptr_t field_offset);
50   ciConstant field_value(int index, ciField* field);
51   ciConstant null_marker_of_element_by_offset(intptr_t element_offset);
52   ciConstant null_marker_of_element_by_index(int index);
53 };
54 
55 #endif // SHARE_VM_CI_CIFLATARRAY_HPP