/*

Copyright (C) 1994-2017 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.

Octave is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include "pt-idx.h"
#include "pt-misc.h"

namespace octave
{
  // Parameter lists.

  tree_parameter_list::~tree_parameter_list (void)
  {
    while (! empty ())
      {
        iterator p = begin ();
        delete *p;
        erase (p);
      }
  }

  void
  tree_parameter_list::mark_as_formal_parameters (void)
  {
    for (tree_decl_elt *elt : *this)
      elt->mark_as_formal_parameter ();
  }

  std::list<std::string>
  tree_parameter_list::variable_names (void) const
  {
    std::list<std::string> retval;

    for (tree_decl_elt *elt : *this)
      retval.push_back (elt->name ());

    return retval;
  }

  bool
  tree_parameter_list::is_defined (void)
  {
    bool status = true;

    for (tree_decl_elt *elt : *this)
      {
        if (! elt->is_variable ())
          {
            status = false;
            break;
          }
      }

    return status;
  }

  tree_parameter_list *
  tree_parameter_list::dup (symbol_scope& scope) const
  {
    tree_parameter_list *new_list = new tree_parameter_list ();

    if (takes_varargs ())
      new_list->mark_varargs ();

    for (const tree_decl_elt *elt : *this)
      new_list->append (elt->dup (scope));

    return new_list;
  }

  // Return lists.

  tree_return_list::~tree_return_list (void)
  {
    while (! empty ())
      {
        iterator p = begin ();
        delete *p;
        erase (p);
      }
  }
}