stackValueCollection.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 2001, 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
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23 */
24
25#ifndef SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
26#define SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
27
28#include "memory/allocation.hpp"
29#include "runtime/stackValue.hpp"
30#include "utilities/growableArray.hpp"
31
32class StackValueCollection : public ResourceObj {
33 private:
34  GrowableArray<StackValue*>* _values;
35
36 public:
37  StackValueCollection()            { _values = new GrowableArray<StackValue*>(); }
38  StackValueCollection(int length)  { _values = new GrowableArray<StackValue*>(length); }
39
40  void add(StackValue *val) const   { _values->push(val); }
41  int  size() const                 { return _values->length(); }
42  bool is_empty() const             { return (size() == 0); }
43  StackValue* at(int i) const       { return _values->at(i); }
44
45  // Get typed locals/expressions
46  jint  int_at(int slot) const;
47  jlong long_at(int slot) const;
48  Handle obj_at(int slot) const;
49  jfloat  float_at(int slot) const;
50  jdouble double_at(int slot) const;
51
52  // Set typed locals/expressions
53  void set_int_at(int slot, jint value);
54  void set_long_at(int slot, jlong value);
55  void set_obj_at(int slot, Handle value);
56  void set_float_at(int slot, jfloat value);
57  void set_double_at(int slot, jdouble value);
58
59  void print();
60};
61
62#endif // SHARE_VM_RUNTIME_STACKVALUECOLLECTION_HPP
63