op-exp.hh

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#ifndef AST_OP_EXP_HH
# define AST_OP_EXP_HH

# include <ast/exp.hh>

namespace ast
{

  class OpExp : public Exp
  {

  public:
    enum Oper
      {
        // Arithmetics. add, sub, mul, div,

        // Comparison.  eq, ne,  lt, le,  gt, ge
      };

  public:
    OpExp(const Location& location, Exp* left, OpExp::Oper oper,
          Exp* right);
    virtual ~OpExp();


  public:
    virtual void accept(ConstVisitor& v) const override;
    virtual void accept(Visitor& v) override;

  public:
    const Exp& left_get() const;
    Exp& left_get();
    OpExp::Oper oper_get() const;
    const Exp& right_get() const;
    Exp& right_get();
  protected:
    Exp* left_;
    OpExp::Oper oper_;
    Exp* right_;
  };

} // namespace ast


// Return a representation of an operator.
std::string
str(ast::OpExp::Oper oper);

# include <ast/op-exp.hxx>

#endif // !AST_OP_EXP_HH