gcc/analyzer/bar-chart.h

   1 /* Support for plotting bar charts in dumps.
   2    Copyright (C) 2020-2023 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   {
  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 */