Mercurial > hg > octave-lyh
annotate src/pt-jump.cc @ 7767:71f068b22fcc
scope and context fixes for function handles
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 07 May 2008 13:45:30 -0400 |
| parents | 745a8299c2b5 |
| children | 4976f66d469b |
| rev | line source |
|---|---|
| 2982 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1996, 1997, 2001, 2002, 2004, 2005, 2006, 2007 |
| 4 John W. Eaton | |
| 2982 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 2982 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 2982 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 28 #include "error.h" | |
| 3770 | 29 #include "oct-obj.h" |
| 30 #include "pt-bp.h" | |
| 2982 | 31 #include "pt-jump.h" |
| 32 #include "pt-walk.h" | |
| 33 | |
| 3770 | 34 class octave_value_list; |
| 35 | |
| 2982 | 36 // Break. |
| 37 | |
| 2985 | 38 // Nonzero means we're breaking out of a loop or function body. |
| 4207 | 39 int tree_break_command::breaking = 0; |
| 2985 | 40 |
| 4207 | 41 void |
| 42 tree_break_command::eval (void) | |
| 2982 | 43 { |
| 3770 | 44 // Even if we have an error we should still enter debug mode. |
| 45 MAYBE_DO_BREAKPOINT; | |
| 46 | |
| 2982 | 47 if (! error_state) |
| 48 breaking = 1; | |
| 49 } | |
| 50 | |
| 5861 | 51 tree_command * |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
52 tree_break_command::dup (symbol_table::scope_id, |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
53 symbol_table::context_id context) |
| 5861 | 54 { |
| 55 return new tree_break_command (line (), column ()); | |
| 56 } | |
| 57 | |
| 2982 | 58 void |
| 4207 | 59 tree_break_command::accept (tree_walker& tw) |
| 2982 | 60 { |
| 4207 | 61 tw.visit_break_command (*this); |
| 2982 | 62 } |
| 63 | |
| 64 // Continue. | |
| 65 | |
| 2985 | 66 // Nonzero means we're jumping to the end of a loop. |
| 4207 | 67 int tree_continue_command::continuing = 0; |
| 2985 | 68 |
| 4207 | 69 void |
| 70 tree_continue_command::eval (void) | |
| 2982 | 71 { |
| 3770 | 72 MAYBE_DO_BREAKPOINT; |
| 73 | |
| 2982 | 74 if (! error_state) |
| 75 continuing = 1; | |
| 76 } | |
| 77 | |
| 5861 | 78 tree_command * |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
79 tree_continue_command::dup (symbol_table::scope_id, |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
80 symbol_table::context_id context) |
| 5861 | 81 { |
| 82 return new tree_continue_command (line (), column ()); | |
| 83 } | |
| 84 | |
| 2982 | 85 void |
| 4207 | 86 tree_continue_command::accept (tree_walker& tw) |
| 2982 | 87 { |
| 4207 | 88 tw.visit_continue_command (*this); |
| 2982 | 89 } |
| 90 | |
| 91 // Return. | |
| 92 | |
| 5501 | 93 // Nonzero means we're returning from a function. |
| 4207 | 94 int tree_return_command::returning = 0; |
| 2985 | 95 |
| 4207 | 96 void |
| 97 tree_return_command::eval (void) | |
| 2982 | 98 { |
| 3770 | 99 MAYBE_DO_BREAKPOINT; |
| 100 | |
| 2982 | 101 if (! error_state) |
| 102 returning = 1; | |
| 103 } | |
| 104 | |
| 5861 | 105 tree_command * |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
106 tree_return_command::dup (symbol_table::scope_id, |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7336
diff
changeset
|
107 symbol_table::context_id context) |
| 5861 | 108 { |
| 109 return new tree_return_command (line (), column ()); | |
| 110 } | |
| 111 | |
| 2982 | 112 void |
| 4207 | 113 tree_return_command::accept (tree_walker& tw) |
| 2982 | 114 { |
| 4207 | 115 tw.visit_return_command (*this); |
| 2982 | 116 } |
| 117 | |
| 118 /* | |
| 119 ;;; Local Variables: *** | |
| 120 ;;; mode: C++ *** | |
| 121 ;;; End: *** | |
| 122 */ |