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

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 607e3be6bad8
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 * tree.h
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7 */
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8
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9 #ifndef TREE_H
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10 #define TREE_H
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11
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12 class CharSetExpression; // from csexp.h
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13 #include "register.h"
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14
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15
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16 struct parse_tree_map;
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17
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18 class ParseTree : public KeyedObjectRegister<parse_tree_map> {
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19 public:
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20 ParseTree() {}
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21 ParseTree(unsigned x);
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22 ParseTree(const ParseTree &t);
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23 ParseTree(CharSetExpression *x);
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607e3be6bad8 Adjust to the moving target called the C++ standard.
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24 void operator = (const ParseTree &t);
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25 static void reset();
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26
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27 class Map;
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28 friend class Map;
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29
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30 class Map {
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31 public:
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32 parse_tree_map &operator [] (unsigned x);
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33 };
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34 };
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35
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36 #include "symbol.h"
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37 #include "token.h"
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38
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39 struct parse_tree_map {
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40 Token token_number;
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41 Symbol token_name;
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42 CharSetExpression *expression;
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43 int char_set;
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44
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45 parse_tree_map();
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46 parse_tree_map(CharSetExpression *x);
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47 ~parse_tree_map() {}
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48 int operator < (const parse_tree_map &t) const;
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49 };
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50
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51 extern ParseTree::Map map_parse_tree;
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52
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53
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54 #endif /* TREE_H */