gcc/gcc/analyzer/bar-chart.h
2021-01-04 10:26:59 +01:00

61 lines
1.6 KiB
C++

/* Support for plotting bar charts in dumps.
Copyright (C) 2020-2021 Free Software Foundation, Inc.
Contributed by David Malcolm <dmalcolm@redhat.com>.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_ANALYZER_BAR_CHART_H
#define GCC_ANALYZER_BAR_CHART_H
namespace ana {
/* A class for printing bar charts to a pretty_printer.
TODO(stage1): move to gcc subdir? */
class bar_chart
{
public:
typedef unsigned long value_t;
/* Add an item, taking a copy of NAME. */
void add_item (const char *name, value_t value);
/* Print the data to PP. */
void print (pretty_printer *pp) const;
private:
struct item
{
item (const char *name, value_t value)
: m_name (xstrdup (name)), m_strlen (strlen (name)) , m_value (value) {}
~item () { free (m_name); }
char *m_name;
size_t m_strlen;
value_t m_value;
};
static void print_padding (pretty_printer *pp, size_t count);
auto_delete_vec<item> m_items;
};
} // namespace ana
#endif /* GCC_ANALYZER_BAR_CHART_H */