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annotate anagram/guisupport/stexpdc.h @ 18:562c313f14f4

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some minor updates for 2022
author David A. Holland
date Tue, 31 May 2022 02:03:50 -0400
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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 * stexpdc.h
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7 */
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8
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9 #ifndef STEXPDC_H
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10 #define STEXPDC_H
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11
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12 class state_expansion_dc : public dc {
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13 public:
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14 static MenuOption *auxTable[];
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15 virtual MenuOption **getAuxWinMenu(void) { return auxTable; }
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16 unsigned state_number;
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17 tsd *expansion;
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18
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19 state_expansion_dc(unsigned, const AgString, const AgString);
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20 state_expansion_dc(state_expansion_dc &x)
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21 : dc(x),
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22 state_number(x.state_number),
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23 expansion(x.expansion) {}
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24
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25 ~state_expansion_dc(void);
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26 virtual unsigned token(unsigned);
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27 virtual void getLine(unsigned) const;
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28 virtual void synchCursor(unsigned) const;
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29
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30 virtual dc_ref aux_trace(unsigned);
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31 virtual dc_ref expansion_chain(unsigned);
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32 virtual dc_ref expansion_rules(unsigned);
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33 virtual dc_ref previous_states(unsigned);
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34 virtual dc_ref productions(unsigned ln);
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35 virtual dc_ref reduction_states(unsigned);
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36 virtual dc_ref rule_context(unsigned);
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37 virtual dc_ref set_elements(unsigned);
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38 virtual dc_ref usage(unsigned);
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39
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40 virtual int expansion_chain_ok(unsigned);
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41 virtual int expansion_rules_ok(unsigned);
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42 virtual int previous_states_ok(unsigned);
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43 virtual int productions_ok(unsigned ln);
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44 virtual int reduction_states_ok(unsigned);
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45 virtual int rule_context_ok(unsigned ln) { return ln != 0; }
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46 virtual int set_elements_ok(unsigned);
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47 virtual int usage_ok(unsigned);
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48 };
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49
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50 class expansion_chain_dc : public state_expansion_dc {
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51 public:
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52 unsigned rule_number;
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53 expansion_chain_dc(unsigned sn, unsigned rn, AgString foot);
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54 };
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55
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56 dc_ref expansion_chain_window(int,int,int);
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57 dc_ref state_expansion_window(int);
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58
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59 #endif /* STEXPDC_H */