// Filename: cppReferenceType.h
// Created by:  drose (19Oct99)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////

#ifndef CPPREFERENCETYPE_H
#define CPPREFERENCETYPE_H

#include "dtoolbase.h"

#include "cppType.h"

///////////////////////////////////////////////////////////////////
//       Class : CPPReferenceType
// Description : Either an lvalue- or rvalue-reference.
////////////////////////////////////////////////////////////////////
class CPPReferenceType : public CPPType {
public:
  enum ValueCategory {
    VC_lvalue,
    VC_rvalue
  };

  CPPReferenceType(CPPType *pointing_at, ValueCategory vcat=VC_lvalue);

  CPPType *_pointing_at;
  ValueCategory _value_category;

  virtual bool is_fully_specified() const;
  virtual CPPDeclaration *substitute_decl(SubstDecl &subst,
                                          CPPScope *current_scope,
                                          CPPScope *global_scope);

  virtual CPPType *resolve_type(CPPScope *current_scope,
                                CPPScope *global_scope);

  virtual bool is_tbd() const;
  virtual bool is_trivial() const;
  virtual bool is_equivalent(const CPPType &other) const;

  virtual void output(ostream &out, int indent_level, CPPScope *scope,
                      bool complete) const;
  virtual void output_instance(ostream &out, int indent_level,
                               CPPScope *scope,
                               bool complete, const string &prename,
                               const string &name) const;

  virtual SubType get_subtype() const;

  virtual CPPReferenceType *as_reference_type();

protected:
  virtual bool is_equal(const CPPDeclaration *other) const;
  virtual bool is_less(const CPPDeclaration *other) const;
};

#endif