Parser.hpp

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