1/* Support for plotting bar charts in dumps.
2   Copyright (C) 2020 Free Software Foundation, Inc.
3   Contributed by David Malcolm <dmalcolm@redhat.com>.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify it
8under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful, but
13WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3.  If not see
19<http://www.gnu.org/licenses/>.  */
20
21#ifndef GCC_ANALYZER_BAR_CHART_H
22#define GCC_ANALYZER_BAR_CHART_H
23
24namespace ana {
25
26/* A class for printing bar charts to a pretty_printer.
27
28   TODO(stage1): move to gcc subdir? */
29
30class bar_chart
31{
32public:
33  typedef unsigned long value_t;
34
35  /* Add an item, taking a copy of NAME.  */
36  void add_item (const char *name, value_t value);
37
38  /* Print the data to PP.  */
39  void print (pretty_printer *pp) const;
40
41private:
42  struct item
43  {
44    item (const char *name, value_t value)
45    : m_name (xstrdup (name)), m_strlen (strlen (name)) , m_value (value) {}
46    ~item () { free (m_name); }
47
48    char *m_name;
49    size_t m_strlen;
50    value_t m_value;
51  };
52
53  static void print_padding (pretty_printer *pp, size_t count);
54
55  auto_delete_vec<item> m_items;
56};
57
58} // namespace ana
59
60#endif /* GCC_ANALYZER_BAR_CHART_H */
61