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comparison anagram/guisupport/ruletabdc.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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-1:000000000000 0:13d2b8934445
1 /*
2 * AnaGram, A System for Syntax Directed Programming
3 * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
4 * See the file COPYING for license and usage terms.
5 *
6 * ruletabdc.h
7 */
8
9 #ifndef RULETABDC_H
10 #define RULETABDC_H
11
12 #include "conflicttrc.h"
13 #include "dc.h"
14 #include "q1glbl.h"
15
16 class rule_table_dc : public dc {
17 public:
18 static MenuOption *auxTable[];
19 virtual MenuOption **getAuxWinMenu(void) { return auxTable; }
20
21 rule_table_dc(void);
22 rule_table_dc(rule_stack_dc &x) : dc(x) {}
23
24 virtual void getLine(unsigned) const;
25 virtual void synchCursor(unsigned) const;
26 struct localize {
27 unsigned rule;
28 unsigned index;
29 localize(unsigned);
30 unsigned token() {
31 unsigned nt = ibnfn[rule];
32 if (index < nt) return ibnfs[ibnfb[rule] + index];
33 return 0;
34 }
35
36 };
37 virtual dc_ref expansion_rules(unsigned);
38 virtual dc_ref productions(unsigned);
39 virtual dc_ref rule_context(unsigned);
40 virtual dc_ref usage(unsigned);
41
42 virtual int expansion_rules_ok(unsigned);
43 virtual int productions_ok(unsigned);
44 virtual int rule_context_ok(unsigned ln) { return ln != 0; }
45 virtual int usage_ok(unsigned);
46 };
47
48
49 #endif /* RULETABDC_H */