Parser.hpp

   1 #ifndef CYPARSER_HPP
   2 #define CYPARSER_HPP
   3
   4 class CYParser {
   5   public:
   6     void *scanner_;
   7
   8   private:
   9     void ScannerInit();
  10     void ScannerDestroy();
  11
  12   public:
  13     CYParser();
  14     ~CYParser();
  15 };
  16
  17 struct CYExpression {
  18 };
  19
  20 struct CYToken {
  21     virtual const char *Text() const = 0;
  22 };
  23
  24 struct CYTokenLiteral :
  25     CYExpression,
  26     virtual CYToken
  27 {
  28 };
  29
  30 struct CYTokenString :
  31     CYTokenLiteral
  32 {
  33 };
  34
  35 struct CYTokenNumber :
  36     CYTokenLiteral
  37 {
  38 };
  39
  40 struct CYTokenWord :
  41     virtual CYToken
  42 {
  43 };
  44
  45 struct CYTokenIdentifier :
  46     CYExpression,
  47     CYTokenWord
  48 {
  49     const char *word_;
  50
  51     virtual const char *Text() const {
  52         return word_;
  53     }
  54 };
  55
  56 struct CYExpressionPrefix :
  57     CYExpression
  58 {
  59     CYExpression *rhs_;
  60
  61     CYExpressionPrefix(CYExpression *rhs) :
  62         rhs_(rhs)
  63     {
  64     }
  65 };
  66
  67 struct CYExpressionInfix :
  68     CYExpression
  69 {
  70     CYExpression *lhs_;
  71     CYExpression *rhs_;
  72
  73     CYExpressionInfix(CYExpression *lhs, CYExpression *rhs) :
  74         lhs_(lhs),
  75         rhs_(rhs)
  76     {
  77     }
  78 };
  79
  80 struct CYExpressionPostfix :
  81     CYExpression
  82 {
  83     CYExpression *lhs_;
  84
  85     CYExpressionPostfix(CYExpression *lhs) :
  86         lhs_(lhs)
  87     {
  88     }
  89 };
  90
  91 struct CYExpressionAssignment :
  92     CYExpression
  93 {
  94     CYExpression *lhs_;
  95     CYExpression *rhs_;
  96
  97     CYExpressionAssignment(CYExpression *lhs, CYExpression *rhs) :
  98         lhs_(lhs),
  99         rhs_(rhs)
 100     {
 101     }
 102 };
 103
 104 #endif/*CYPARSER_HPP*/