xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/analyzer/bar-chart.h (revision 4c3eb207d36f67d31994830c0a694161fc1ca39b)
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 
5 This file is part of GCC.
6 
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11 
12 GCC is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along 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 
24 namespace ana {
25 
26 /* A class for printing bar charts to a pretty_printer.
27 
28    TODO(stage1): move to gcc subdir? */
29 
30 class bar_chart
31 {
32 public:
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 
41 private:
42   struct item
43   {
itemitem44     item (const char *name, value_t value)
45     : m_name (xstrdup (name)), m_strlen (strlen (name)) , m_value (value) {}
~itemitem46     ~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