annotate anagram/support/agdict.cpp @ 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 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 1997-2002 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 * agdict.cpp - new string dictionary
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7 */
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8
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9 #include "agstring.h"
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10 #include "agdict.h"
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11 #include "assert.h"
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12
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13 //#define INCLUDE_LOGGING
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14 #include "log.h"
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15
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16
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17 int AgStringDictionary::Tree::compare(const int &x, const int &y) const {
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18 LOGSECTION("AgStringDictionary::Tree::compare");
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19 LOGV(x) LCV(stringStore[x]);
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20 LOGV(y) LCV(stringStore[y]);
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21 LOGV(stringStore[x] < stringStore[y]);
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22 LOGV(stringStore[y] < stringStore[x]);
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23
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24 if (stringStore[x] < stringStore[y]) {
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25 return -1;
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26 }
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27 return (stringStore[y] < stringStore[x]);
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28 }
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29
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30 void AgStringDictionary::Tree::reset() {
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31 LOGSECTION("AgStringDictionary::Tree::reset");
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32 AgBalancedTree<int>::reset();
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33 stringStore.reset();
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34 stringStore.push(AgString()).push(AgString());
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35 insert(0);
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36 LOGV(size()) LCV(stringStore.size());
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37 };
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38
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39 int AgStringDictionary::operator << (const AgString s) {
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40 LOGSECTION("AgStringDictionary::operator <<");
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41 int newIndex = tree.size();
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42 tree.stringStore.top() = s;
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43
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44 LOGV(newIndex)
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45 LCV(tree.stringStore.size())
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46 LCV(tree.stringStore.top())
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47 LCV(s);
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48
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49 if (!tree.identify(newIndex)) {
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50 tree.stringStore.push(AgString());
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51 }
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52 LOGV(newIndex);
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53 return newIndex;
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54 }
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55
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56 int AgStringDictionary::operator [] (const AgString s) {
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57 int n = tree.stringStore.size() - 1;
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58 int actualIndex = n;
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59 tree.stringStore.top() = s;
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60 if (tree.lookup(actualIndex)) {
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61 return actualIndex;
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62 }
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63 return 0;
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64 }
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65
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66 AgString AgStringDictionary::operator [] (const unsigned x) {
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67 LOGSECTION("AgStringDictionary::operator []");
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68 assert(x < tree.size());
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69 LOGV(x) LCV(tree.stringStore[x]);
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70 return tree.stringStore[x];
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71 }