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annotate anagram/guisupport/wdata.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
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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 * wdata.h
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7 */
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8
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9 #ifndef WDATA_H
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10 #define WDATA_H
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11
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12 #include "action.h"
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13 #include "agstring.h"
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14 #include "agarray.h"
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15
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16 //#define INCLUDE_LOGGING
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17 //#include "log.h"
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18
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19 class WindowConnector;
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20 class dc;
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21
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22 class AgDataPanel;
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23
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24
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25 class AgMenuItem {
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26 private:
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27 static const AgAction nullAction;
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28 public:
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29 AgString text;
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30 AgAction action;
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31 dc *displayControl;
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32 AgMenuItem(AgString text_, AgAction action_, dc *displayControl_) :
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33 text(text_),
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34 action(action_),
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35 displayControl(displayControl_)
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36 {
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37 //LOGSECTION("AgMenuItem constructor");
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38 //LOGV((int) (dc *) displayControl);
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39 }
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40 AgMenuItem &operator =(const AgMenuItem &m) {
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41 text = m.text;
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42 action = m.action;
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43 displayControl = m.displayControl;
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44 return *this;
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45 }
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46 AgMenuItem() :
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47 text(AgString())
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48 , action(nullAction)
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49 , displayControl(0)
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50 {}
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51 int operator < (const AgMenuItem &m) const {
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52 return text < m.text;
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53 }
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54 };
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55
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56 class FindTabs {
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57 private:
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58 AgString text;
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59 char *field;
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60 char *nextField;
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61
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62 void update() {
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63 if (nextField == 0) return;
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64 while (*nextField && *nextField != '\t') nextField++;
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65 if (*nextField) *nextField++ = 0;
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66 else nextField = 0;
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67 }
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68
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69 public:
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70 FindTabs(char *p) : text(p), field((char *)p), nextField((char *)p) {
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71 update();
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72 }
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73 char *getField() {
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74 char *rv = field;
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75 field = nextField;
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76 update();
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77 return rv;
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78 }
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79 };
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80
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81 class WindowData {
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82 public:
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83 virtual int nextChildId() = 0;
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84 virtual ~WindowData() {}
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85 virtual AgString getLine(unsigned) { return AgString(); }
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86 virtual AgString findHelpTopic() { return AgString(); }
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87 virtual unsigned nLines() { return 0; }
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88 virtual unsigned nColumns() { return 1; }
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89
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90 virtual AgString fileName() { return AgString(); }
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91 virtual AgString headTitle() { return AgString(); }
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92 virtual AgString columnHeadTitle() { return AgString(); }
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93 virtual AgString footTitle() { return AgString(); }
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94 virtual void onEnter() {}
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95 virtual void close() {}
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96 virtual void show() {}
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97 virtual AgArray<AgMenuItem> auxMenu() { return AgArray<AgMenuItem>(); }
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98
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99 virtual int syntaxDependent() { return 0; }
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100 virtual int getCursorLine(){ return 0; }
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101 virtual void synchCursor(unsigned) {}
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102 };
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103
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104 class WindowConnector {
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105 public:
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106 virtual void disconnect() {}
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107 virtual void setFocus() {}
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108 virtual int getCursorLine(){ return 0; }
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109 virtual WindowData *windowData() { return NULL; }
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110 };
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111
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112 #endif /* WDATA_H */