/*

Copyright (C) 1996-2011 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/>.

*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "quit.h"

#include "error.h"
#include "gripes.h"
#include "oct-map.h"
#include "oct-lvalue.h"
#include "ov.h"
#include "pt-arg-list.h"
#include "pt-bp.h"
#include "pt-cmd.h"
#include "pt-exp.h"
#include "pt-jump.h"
#include "pt-loop.h"
#include "pt-stmt.h"
#include "pt-walk.h"
#include "unwind-prot.h"

// While.

tree_while_command::~tree_while_command (void)
{
  delete expr;
  delete list;
  delete lead_comm;
  delete trail_comm;
}

tree_command *
tree_while_command::dup (symbol_table::scope_id scope,
                         symbol_table::context_id context) const
{
  return new tree_while_command (expr ? expr->dup (scope, context) : 0,
                                 list ? list->dup (scope, context) : 0,
                                 lead_comm ? lead_comm->dup () : 0,
                                 trail_comm ? trail_comm->dup (): 0,
                                 line (), column ());
}

void
tree_while_command::accept (tree_walker& tw)
{
  tw.visit_while_command (*this);
}

// Do-Until

tree_command *
tree_do_until_command::dup (symbol_table::scope_id scope,
                            symbol_table::context_id context) const
{
  return new tree_do_until_command (expr ? expr->dup (scope, context) : 0,
                                    list ? list->dup (scope, context) : 0,
                                    lead_comm ? lead_comm->dup () : 0,
                                    trail_comm ? trail_comm->dup (): 0,
                                    line (), column ());
}

void
tree_do_until_command::accept (tree_walker& tw)
{
  tw.visit_do_until_command (*this);
}

// For.

tree_simple_for_command::~tree_simple_for_command (void)
{
  delete lhs;
  delete expr;
  delete maxproc;
  delete list;
  delete lead_comm;
  delete trail_comm;
}

tree_command *
tree_simple_for_command::dup (symbol_table::scope_id scope,
                              symbol_table::context_id context) const
{
  return new tree_simple_for_command
    (parallel, lhs ? lhs->dup (scope, context) : 0,
     expr ? expr->dup (scope, context) : 0,
     maxproc ? maxproc->dup (scope, context) : 0,
     list ? list->dup (scope, context) : 0,
     lead_comm ? lead_comm->dup () : 0,
     trail_comm ? trail_comm->dup () : 0, line (), column ());
}

void
tree_simple_for_command::accept (tree_walker& tw)
{
  tw.visit_simple_for_command (*this);
}

tree_complex_for_command::~tree_complex_for_command (void)
{
  delete lhs;
  delete expr;
  delete list;
  delete lead_comm;
  delete trail_comm;
}

tree_command *
tree_complex_for_command::dup (symbol_table::scope_id scope,
                               symbol_table::context_id context) const
{
  return new tree_complex_for_command (lhs ? lhs->dup (scope, context) : 0,
                                       expr ? expr->dup (scope, context) : 0,
                                       list ? list->dup (scope, context) : 0,
                                       lead_comm ? lead_comm->dup () : 0,
                                       trail_comm ? trail_comm->dup () : 0,
                                       line (), column ());
}

void
tree_complex_for_command::accept (tree_walker& tw)
{
  tw.visit_complex_for_command (*this);
}