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annotate anagram/agcore/symbol.h @ 0:13d2b8934445

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Import AnaGram (near-)release tree into Mercurial.
author David A. Holland
date Sat, 22 Dec 2007 17:52:45 -0500
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children 607e3be6bad8
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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 * symbol.h
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7 */
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8
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9 #ifndef SYMBOL_H
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10 #define SYMBOL_H
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11
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12 #include "register.h"
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13
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14
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15 class SymbolDescriptor; // below
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16
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17 class Symbol : public KeyedObjectRegister<SymbolDescriptor> {
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18 public:
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19 Symbol() {}
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20 Symbol(const char *x);
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21 Symbol(unsigned x);
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22 Symbol(const Symbol &t);
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23 static void reset();
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24 static Symbol create();
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25 static Symbol sorted(int x);
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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 SymbolDescriptor &operator [] (unsigned x);
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33 };
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34
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35 class Dict {
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36 public:
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37 Symbol add_string(const char *s);
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38 };
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39 };
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40
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41 #include "agstring.h"
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42 #include "token.h"
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43 #include "tree.h"
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44
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45 class SymbolDescriptor {
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46 public:
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47 AgString string;
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48 Token token_number;
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49 unsigned token_list_id;
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50 ParseTree parse_tree;
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51
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52 SymbolDescriptor();
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53 SymbolDescriptor(const char *s);
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54 int operator < (const SymbolDescriptor &d) const;
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55 };
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56
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57 extern Symbol::Map map_token_name;
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58 extern Symbol::Dict tkn_dict;
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59
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60 typedef SymbolDescriptor token_name_map;
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61
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62 Symbol add_string_dict(const char *s, Symbol::Dict &d);
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63
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64
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65 #endif /* SYMBOL_H */