Class Operator

base/operators.h:92–155

class TernaryOperator;

class Operator final {
 public:
  ABSL_ATTRIBUTE_PURE_FUNCTION static TernaryOperator Conditional();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator LogicalAnd();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator LogicalOr();
  ABSL_ATTRIBUTE_PURE_FUNCTION static UnaryOperator LogicalNot();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Equals();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator NotEquals();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Less();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator LessEquals();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Greater();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator GreaterEquals();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Add();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Subtract();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Multiply();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Divide();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Modulo();
  ABSL_ATTRIBUTE_PURE_FUNCTION static UnaryOperator Negate();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator Index();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator In();
  ABSL_ATTRIBUTE_PURE_FUNCTION static UnaryOperator NotStrictlyFalse();
  ABSL_ATTRIBUTE_PURE_FUNCTION static BinaryOperator OldIn();
  ABSL_ATTRIBUTE_PURE_FUNCTION static UnaryOperator OldNotStrictlyFalse();

  ABSL_ATTRIBUTE_PURE_FUNCTION static absl::optional<Operator> FindByName(
      absl::string_view input);

  ABSL_ATTRIBUTE_PURE_FUNCTION static absl::optional<Operator>
  FindByDisplayName(absl::string_view input);

  Operator() = delete;
  Operator(const Operator&) = default;
  Operator(Operator&&) = default;
  Operator& operator=(const Operator&) = default;
  Operator& operator=(Operator&&) = default;

  constexpr OperatorId id() const { return data_->id; }

  // Returns the name of the operator. This is the managed representation of the
  // operator, for example "_&&_".
  constexpr absl::string_view name() const { return data_->name; }

  // Returns the source text representation of the operator. This is the
  // unmanaged text representation of the operator, for example "&&".
  //
  // Note that this will be empty for operators like Conditional() and Index().
  constexpr absl::string_view display_name() const {
    return data_->display_name;
  }

  constexpr int precedence() const { return data_->precedence; }

  constexpr Arity arity() const { return static_cast<Arity>(data_->arity); }

 private:
  friend class UnaryOperator;
  friend class BinaryOperator;
  friend class TernaryOperator;