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152
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1 /* Support for plotting bar charts in dumps.
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2 Copyright (C) 2020 Free Software Foundation, Inc.
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3 Contributed by David Malcolm <dmalcolm@redhat.com>.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but
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13 WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_ANALYZER_BAR_CHART_H
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22 #define GCC_ANALYZER_BAR_CHART_H
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23
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24 namespace ana {
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25
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26 /* A class for printing bar charts to a pretty_printer.
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27
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28 TODO(stage1): move to gcc subdir? */
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29
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30 class bar_chart
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31 {
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32 public:
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33 typedef unsigned long value_t;
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34
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35 /* Add an item, taking a copy of NAME. */
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36 void add_item (const char *name, value_t value);
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37
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38 /* Print the data to PP. */
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39 void print (pretty_printer *pp) const;
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40
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41 private:
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42 struct item
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43 {
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44 item (const char *name, value_t value)
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45 : m_name (xstrdup (name)), m_strlen (strlen (name)) , m_value (value) {}
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46 ~item () { free (m_name); }
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47
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48 char *m_name;
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49 size_t m_strlen;
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50 value_t m_value;
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51 };
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52
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53 static void print_padding (pretty_printer *pp, size_t count);
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54
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55 auto_delete_vec<item> m_items;
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56 };
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57
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58 } // namespace ana
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59
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60 #endif /* GCC_ANALYZER_BAR_CHART_H */
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