GrammarRule.h

   1 // CGrammarRule, CTerminalRule, CWildcardRule classes
   2 // Copyright © 2009 The University of Chicago
   3 #ifndef GRAMMARRULE_H
   4 #define GRAMMARRULE_H
   5
   6 #include "Parse.h"
   7
   8 class CGrammarRule : public CParse
   9 {
  10 protected:
  11         int             m_SortIndex;
  12         int             m_Index;
  13
  14 public:
  15         CGrammarRule();
  16         virtual ~CGrammarRule();
  17
  18         virtual CStringSurrogate        GetLHS();
  19         virtual CParse                          GetRHS();
  20         virtual QString                         Display();
  21
  22         virtual bool                            isTerminal() { return FALSE; }
  23
  24         void                                            SetSortIndex( int n ) { m_SortIndex = n; }
  25         int                                                     GetSortIndex() const { return m_SortIndex; }
  26         void                                            SetIndex( int n ) { m_Index = n; }
  27         int                                                     GetIndex() const {  return m_Index; }
  28 };
  29
  30
  31 // Terminal Rule
  32 //==========================================
  33
  34 class CTerminalRule : public CGrammarRule
  35 {
  36 protected:
  37         CParse  m_leftSide;
  38
  39 public:
  40         CTerminalRule( QString leftSide );
  41         virtual ~CTerminalRule();
  42
  43         virtual CStringSurrogate        GetLHS();
  44         virtual CParse                          GetRHS();
  45         virtual QString                         Display();
  46
  47         virtual bool                            isTerminal() { return TRUE; }
  48 };
  49
  50
  51 // Wild Card Rule
  52 //==========================================
  53
  54 class CWildCardRule : public CGrammarRule
  55 {
  56 protected:
  57         int m_Width;
  58
  59 public:
  60         CWildCardRule( QString, int );
  61         virtual ~CWildCardRule();
  62
  63         virtual CStringSurrogate        GetLHS();
  64         virtual CParse                          GetRHS();
  65         virtual QString                         Display();
  66
  67         virtual bool                            isTerminal() { return TRUE; }
  68 };
  69
  70 #endif // #define GRAMMARRULE_H