+
−/*
+
−
+
−Copyright (C) 1996-2015 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 "oct-lvalue.h"
+
−#include "ov.h"
+
−#include "pt-bp.h"
+
−#include "pt-cmd.h"
+
−#include "pt-except.h"
+
−#include "pt-exp.h"
+
−#include "pt-id.h"
+
−#include "pt-jump.h"
+
−#include "pt-stmt.h"
+
−#include "pt-walk.h"
+
−#include "unwind-prot.h"
+
−#include "variables.h"
+
−
+
−// Simple exception handling.
+
−
+
−tree_try_catch_command::~tree_try_catch_command (void)
+
−{
+
−  delete expr_id;
+
−  delete try_code;
+
−  delete catch_code;
+
−  delete lead_comm;
+
−  delete mid_comm;
+
−  delete trail_comm;
+
−}
+
−
+
−tree_command *
+
−tree_try_catch_command::dup (symbol_table::scope_id scope,
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−                             symbol_table::context_id context) const
+
−{
+
−  return new
+
−    tree_try_catch_command (try_code ? try_code->dup (scope, context) : 0,
+
−                            catch_code ? catch_code->dup (scope, context) : 0,
+
−                            expr_id ? expr_id->dup (scope, context) : 0,
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−                            lead_comm ? lead_comm->dup () : 0,
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−                            mid_comm ? mid_comm->dup () : 0,
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−                            trail_comm ? trail_comm->dup () : 0,
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−                            line (), column ());
+
−}
+
−
+
−void
+
−tree_try_catch_command::accept (tree_walker& tw)
+
−{
+
−  tw.visit_try_catch_command (*this);
+
−}
+
−
+
−// Simple exception handling.
+
−
+
−tree_unwind_protect_command::~tree_unwind_protect_command (void)
+
−{
+
−  delete unwind_protect_code;
+
−  delete cleanup_code;
+
−  delete lead_comm;
+
−  delete mid_comm;
+
−  delete trail_comm;
+
−}
+
−
+
−tree_command *
+
−tree_unwind_protect_command::dup (symbol_table::scope_id scope,
+
−                                  symbol_table::context_id context) const
+
−{
+
−  return new tree_unwind_protect_command
+
−    (unwind_protect_code ? unwind_protect_code->dup (scope, context) : 0,
+
−     cleanup_code ? cleanup_code->dup (scope, context) : 0,
+
−     lead_comm ? lead_comm->dup () : 0,
+
−     mid_comm ? mid_comm->dup () : 0,
+
−     trail_comm ? trail_comm->dup () : 0,
+
−     line (), column ());
+
−}
+
−
+
−void
+
−tree_unwind_protect_command::accept (tree_walker& tw)
+
−{
+
−  tw.visit_unwind_protect_command (*this);
+
−}