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/**
** \file type/pretty-printer.hh
** \brief Print the type hierarchy.
*/
#pragma once
#include <ostream>
#include <type/default-visitor.hh>
#include <type/fwd.hh>
namespace type
{
class PrettyPrinter : public DefaultConstVisitor
{
public:
/// Super class type.
using super_type = DefaultConstVisitor;
// Import overloaded \c operator() methods.
using super_type::operator();
/** \name Ctor & dtor.
** \{ */
/// Construct a pretty printer.
explicit PrettyPrinter(std::ostream& ostr);
/** \} */
/** \name Visit basic types.
** \{ */
void operator()(const Nil& e) override;
void operator()(const Void& e) override;
void operator()(const Int& e) override;
void operator()(const String& e) override;
/** \} */
/** \name Visit composed types.
** \{ */
void operator()(const Named& e) override;
void operator()(const Array& e) override;
void operator()(const Record& e) override;
void operator()(const Class& e) override;
void operator()(const Function& e) override;
/** \} */
/** \name Visit Non type types.
** \{ */
void operator()(const Attribute& e);
void operator()(const Field& e);
/** \} */
private:
/// The stream to print on.
std::ostream& ostr_;
};
/// Overload redirection operator for Type.
std::ostream& operator<<(std::ostream& ostr, const Type& t);
/// Overload redirection operator for Attribute.
std::ostream& operator<<(std::ostream& ostr, const Attribute& obj);
/// Overload redirection operator for Field.
std::ostream& operator<<(std::ostream& ostr, const Field& obj);
} // namespace type
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