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annotate anagram/agcore/error.h @ 21:1c9dac05d040

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Add lint-style FALLTHROUGH annotations to fallthrough cases. (in the parse engine and thus the output code) Document this, because the old output causes warnings with gcc10.
author David A. Holland
date Mon, 13 Jun 2022 00:04:38 -0400
parents 13d2b8934445
children
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1 /*
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2 * AnaGram, A System for Syntax Directed Programming
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3 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
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4 * See the file COPYING for license and usage terms.
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5 *
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6 * error.h
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7 */
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8
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9 #ifndef ERROR_H
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10 #define ERROR_H
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11
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12 #include "agstack.h"
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13 #include "agstring.h"
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14
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15 class Error {
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16 public:
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17 enum keytype {
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18 warn,
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19 fatal,
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20 };
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21
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22 AgString file;
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23 int line;
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24 int column;
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25 keytype key;
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26 AgString message;
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27
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28 static const char *keyString[];
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29
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30 Error() : line(0), column(0), key(fatal) {}
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31 Error(AgString msg); // misc error
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32 Error(int line, int column, AgString msg); // parse error
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33 Error(int line, int column, AgString file, AgString msg); // config error
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34
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35 void setFatal() { key=fatal; }
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36 int operator < (const Error &e) const { return line < e.line; }
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37 };
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38
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39 extern AgStack<Error> errorList;
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40
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41 extern AgString errorReportFile;
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42
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43 extern int charRangeDiagnostic;
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44 extern int eventDrivenDiagnostic;
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45 extern int negativeCharDiagnostic;
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46 extern int errorResynchDiagnostic;
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47
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48 void reset_errors(void);
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49
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50 void log_error();
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51 void log_error(const char *);
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52 void log_error(int,int);
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53
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54 void checkParams();
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55
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56
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57 #endif /* ERROR_H */