annotate src/pt-except.cc @ 8913:35cd375d4bb3

make tree::dup functions const
author John W. Eaton <jwe@octave.org>
date Thu, 05 Mar 2009 13:50:25 -0500
parents 73c4516fae10
children eb63fbe60fab
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1 /*
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2
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3 Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
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4 2006, 2007, 2008 John W. Eaton
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 3 of the License, or (at your
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11 option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #ifdef HAVE_CONFIG_H
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25 #include <config.h>
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26 #endif
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27
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28 #include "quit.h"
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29
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30 #include "error.h"
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31 #include "oct-lvalue.h"
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32 #include "ov.h"
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33 #include "pt-bp.h"
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34 #include "pt-cmd.h"
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35 #include "pt-except.h"
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36 #include "pt-exp.h"
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37 #include "pt-jump.h"
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38 #include "pt-stmt.h"
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39 #include "pt-walk.h"
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40 #include "unwind-prot.h"
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41 #include "variables.h"
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42
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43 // Simple exception handling.
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44
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45 tree_try_catch_command::~tree_try_catch_command (void)
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46 {
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47 delete try_code;
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48 delete catch_code;
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49 delete lead_comm;
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50 delete mid_comm;
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51 delete trail_comm;
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52 }
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53
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54 tree_command *
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55 tree_try_catch_command::dup (symbol_table::scope_id scope,
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56 symbol_table::context_id context) const
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57 {
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58 return new
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59 tree_try_catch_command (try_code ? try_code->dup (scope, context) : 0,
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60 catch_code ? catch_code->dup (scope, context) : 0,
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61 lead_comm ? lead_comm->dup () : 0,
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62 mid_comm ? mid_comm->dup () : 0,
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63 trail_comm ? trail_comm->dup () : 0,
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64 line (), column ());
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65 }
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66
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67 void
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68 tree_try_catch_command::accept (tree_walker& tw)
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69 {
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70 tw.visit_try_catch_command (*this);
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71 }
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72
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73 // Simple exception handling.
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74
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75 tree_unwind_protect_command::~tree_unwind_protect_command (void)
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76 {
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77 delete unwind_protect_code;
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78 delete cleanup_code;
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79 delete lead_comm;
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80 delete mid_comm;
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81 delete trail_comm;
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82 }
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83
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84 tree_command *
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85 tree_unwind_protect_command::dup (symbol_table::scope_id scope,
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86 symbol_table::context_id context) const
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87 {
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88 return new tree_unwind_protect_command
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89 (unwind_protect_code ? unwind_protect_code->dup (scope, context) : 0,
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90 cleanup_code ? cleanup_code->dup (scope, context) : 0,
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91 lead_comm ? lead_comm->dup () : 0,
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92 mid_comm ? mid_comm->dup () : 0,
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93 trail_comm ? trail_comm->dup () : 0,
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94 line (), column ());
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95 }
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96
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97 void
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98 tree_unwind_protect_command::accept (tree_walker& tw)
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99 {
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100 tw.visit_unwind_protect_command (*this);
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101 }
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102
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103 /*
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104 ;;; Local Variables: ***
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105 ;;; mode: C++ ***
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106 ;;; End: ***
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107 */