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292
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1 /*
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2 lwcc/cpp/cpp.h
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3
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4 Copyright © 2013 William Astle
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5
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6 This file is part of LWTOOLS.
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7
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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12
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 #ifndef cpp_h_seen___
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23 #define cpp_h_seen___
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24
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25 #include <stdio.h>
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26
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27 enum
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28 {
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29 CPP_NOUNG = -3,
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30 CPP_EOL = -2,
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31 CPP_EOF = -1,
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32 };
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33
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34 struct file_stack_e
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35 {
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36 const char *fn;
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37 FILE *fp;
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38 struct file_stack_e *next;
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39 int line;
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40 int col;
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41 int eolstate; // end of line state for interpreting \r\n \n\r \n \r
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42 int ra; // read ahead byte for trigraph scan
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43 int qseen; // number of ? seen during trigraph scan
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44 int unget; // character that has been "ungot"
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45 int curc; // the most recent character retrieved
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46 };
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47
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48 extern FILE *output_fp;
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49 extern int trigraphs;
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50 extern struct file_stack_e *file_stack;
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51
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52 extern int process_file(const char *);
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53
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54 extern void do_error(const char *, ...);
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55 extern void do_warning(const char *, ...);
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56
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57 #endif // cpp_h_seen___
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