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annotate libinterp/parse-tree/pt-const.cc @ 19840:c5270263d466 gui-release
close gui-release branch
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 30 Jan 2015 17:41:50 -0500 |
| parents | 175b392e91fe |
| children | 76478d2da117 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
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maint: Update copyright notices for release.
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3 Copyright (C) 1993-2013 John W. Eaton |
| 1 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 1 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 1 | 20 |
| 21 */ | |
| 22 | |
| 240 | 23 #ifdef HAVE_CONFIG_H |
| 1192 | 24 #include <config.h> |
| 1 | 25 #endif |
| 26 | |
| 3503 | 27 #include <iostream> |
| 581 | 28 |
| 2971 | 29 #include "error.h" |
| 1742 | 30 #include "oct-obj.h" |
| 2900 | 31 #include "pager.h" |
| 1742 | 32 #include "pt-const.h" |
| 2124 | 33 #include "pt-walk.h" |
| 1558 | 34 |
| 2477 | 35 // We are likely to have a lot of tree_constant objects to allocate, |
| 36 // so make the grow_size large. | |
|
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37 DEFINE_OCTAVE_ALLOCATOR2 (tree_constant, 1024); |
| 2475 | 38 |
| 2532 | 39 void |
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40 tree_constant::print (std::ostream& os, bool pr_as_read_syntax, |
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41 bool pr_orig_text) |
| 2532 | 42 { |
| 43 if (pr_orig_text && ! orig_text.empty ()) | |
| 44 os << orig_text; | |
| 45 else | |
| 46 val.print (os, pr_as_read_syntax); | |
| 47 } | |
| 48 | |
| 2942 | 49 void |
| 3523 | 50 tree_constant::print_raw (std::ostream& os, bool pr_as_read_syntax, |
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51 bool pr_orig_text) |
| 2942 | 52 { |
| 53 if (pr_orig_text && ! orig_text.empty ()) | |
| 54 os << orig_text; | |
| 55 else | |
| 56 val.print_raw (os, pr_as_read_syntax); | |
| 57 } | |
| 58 | |
| 2971 | 59 octave_value_list |
| 60 tree_constant::rvalue (int nargout) | |
| 2390 | 61 { |
| 2971 | 62 octave_value_list retval; |
| 2390 | 63 |
| 2971 | 64 if (nargout > 1) |
| 65 error ("invalid number of output arguments for constant expression"); | |
| 66 else | |
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67 retval = rvalue1 (nargout); |
| 2390 | 68 |
| 2971 | 69 return retval; |
| 2532 | 70 } |
| 71 | |
| 5861 | 72 tree_expression * |
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73 tree_constant::dup (symbol_table::scope_id, |
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74 symbol_table::context_id) const |
| 5861 | 75 { |
| 76 tree_constant *new_tc | |
| 77 = new tree_constant (val, orig_text, line (), column ()); | |
| 78 | |
| 79 new_tc->copy_base (*this); | |
| 80 | |
| 81 return new_tc; | |
| 82 } | |
| 83 | |
| 2532 | 84 void |
| 2390 | 85 tree_constant::accept (tree_walker& tw) |
| 86 { | |
| 87 tw.visit_constant (*this); | |
| 88 } |