/*

Copyright (C) 1996-2017 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 (octave_pt_jump_h)
#define octave_pt_jump_h 1

#include "octave-config.h"

#include "pt-cmd.h"
#include "pt-walk.h"
#include "symtab.h"

namespace octave
{
  // Break.

  class tree_break_command : public tree_command
  {
  public:

    tree_break_command (int l = -1, int c = -1)
      : tree_command (l, c) { }

    // No copying!

    tree_break_command (const tree_break_command&) = delete;

    tree_break_command& operator = (const tree_break_command&) = delete;

    ~tree_break_command (void) = default;

    tree_command *dup (symbol_table::scope_id scope,
                       symbol_table::context_id context) const;

    void accept (tree_walker& tw)
    {
      tw.visit_break_command (*this);
    }

    static int breaking;
  };

  // Continue.

  class tree_continue_command : public tree_command
  {
  public:

    tree_continue_command (int l = -1, int c = -1)
      : tree_command (l, c) { }

    // No copying!

    tree_continue_command (const tree_continue_command&) = delete;

    tree_continue_command& operator = (const tree_continue_command&) = delete;

    ~tree_continue_command (void) = default;

    tree_command *dup (symbol_table::scope_id scope,
                       symbol_table::context_id context) const;

    void accept (tree_walker& tw)
    {
      tw.visit_continue_command (*this);
    }

    static int continuing;
  };

  // Return.

  class tree_return_command : public tree_command
  {
  public:

    tree_return_command (int l = -1, int c = -1)
      : tree_command (l, c) { }

    // No copying!

    tree_return_command (const tree_return_command&) = delete;

    tree_return_command& operator = (const tree_return_command&) = delete;

    ~tree_return_command (void) = default;

    tree_command *dup (symbol_table::scope_id scope,
                       symbol_table::context_id context) const;

    void accept (tree_walker& tw)
    {
      tw.visit_return_command (*this);
    }

    static int returning;
  };
}

#if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)

OCTAVE_DEPRECATED ("use 'octave::tree_break_command' instead")
typedef octave::tree_break_command tree_break_command;

OCTAVE_DEPRECATED ("use 'octave::tree_continue_command' instead")
typedef octave::tree_continue_command tree_continue_command;

OCTAVE_DEPRECATED ("use 'octave::tree_return_command' instead")
typedef octave::tree_return_command tree_return_command;

#endif

#endif