Mercurial > octave
annotate libinterp/parse-tree/pt-fcn-handle.cc @ 24270:bc3819b7cca1
don't use symbol_table:: nesting for symbol_record, symbol_scope, or fcn_info
Change all uses of symbol_table::symbol_record to symbol_record.
Change all uses of symbol_table::scope to symbol_scope.
Change all uses of symbol_table::fcn_info to fcn_info.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 16 Nov 2017 21:43:47 -0500 |
parents | 980f39c3ab90 |
children | 11d3603dd880 |
rev | line source |
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4343 | 1 /* |
2 | |
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3 Copyright (C) 2003-2017 John W. Eaton |
4343 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation; either version 3 of the License, or |
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10 (at your option) any later version. |
4343 | 11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
4343 | 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/>. | |
4343 | 20 |
21 */ | |
22 | |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
4343 | 25 #endif |
26 | |
27 #include <iostream> | |
28 | |
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29 #include "interpreter-private.h" |
4343 | 30 #include "pt-fcn-handle.h" |
31 | |
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32 namespace octave |
4343 | 33 { |
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34 void |
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35 tree_fcn_handle::print (std::ostream& os, bool pr_as_read_syntax, |
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36 bool pr_orig_text) |
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37 { |
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38 print_raw (os, pr_as_read_syntax, pr_orig_text); |
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39 } |
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40 |
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41 void |
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42 tree_fcn_handle::print_raw (std::ostream& os, bool pr_as_read_syntax, |
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43 bool pr_orig_text) |
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44 { |
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45 os << ((pr_as_read_syntax || pr_orig_text) ? "@" : "") << nm; |
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46 } |
4343 | 47 |
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48 tree_expression * |
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49 tree_fcn_handle::dup (symbol_scope&) const |
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50 { |
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51 tree_fcn_handle *new_fh = new tree_fcn_handle (nm, line (), column ()); |
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52 |
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53 new_fh->copy_base (*this); |
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54 |
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55 return new_fh; |
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56 } |
4343 | 57 |
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58 tree_anon_fcn_handle::~tree_anon_fcn_handle (void) |
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59 { |
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60 delete m_parameter_list; |
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61 delete m_expression; |
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62 delete m_scope; |
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63 } |
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64 |
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65 tree_expression * |
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66 tree_anon_fcn_handle::dup (symbol_scope&) const |
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67 { |
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68 tree_parameter_list *param_list = parameter_list (); |
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69 tree_expression *expr = expression (); |
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70 |
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71 symbol_scope *af_scope = m_scope; |
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72 symbol_scope *af_parent_scope = m_parent_scope; |
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73 |
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74 symbol_table& symtab |
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75 = __get_symbol_table__ ("tree_anon_fcn_handle::dup"); |
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76 |
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77 symbol_scope *new_scope = af_scope ? af_scope->dup () : nullptr; |
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78 |
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79 // FIXME: why should we inherit from the current scope here? That |
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80 // doesn't seem right, but with the way things work now it appears |
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81 // to be required for bug-31371.tst to pass. |
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82 |
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83 if (new_scope) |
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84 symtab.inherit (new_scope); |
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85 |
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86 tree_anon_fcn_handle *new_afh = new |
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87 tree_anon_fcn_handle (param_list ? param_list->dup (*new_scope) : nullptr, |
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88 expr ? expr->dup (*new_scope) : nullptr, |
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89 new_scope, af_parent_scope, line (), column ()); |
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91 new_afh->copy_base (*this); |
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92 |
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93 return new_afh; |
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94 } |
5861 | 95 } |
96 | |
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97 /* |
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98 %!function r = __f2 (f, x) |
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99 %! r = f (x); |
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100 %!endfunction |
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101 %!function f = __f1 (k) |
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102 %! f = @(x) __f2 (@(y) y-k, x); |
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103 %!endfunction |
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104 |
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105 %!assert ((__f1 (3)) (10) == 7) |
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106 |
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107 %!test |
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108 %! g = @(t) feval (@(x) t*x, 2); |
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109 %! assert (g(0.5) == 1); |
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110 |
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111 %!test |
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112 %! h = @(x) sin (x); |
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113 %! g = @(f, x) h (x); |
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114 %! f = @() g (@(x) h, pi); |
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115 %! assert (f () == sin (pi)); |
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116 |
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117 The next two tests are intended to test parsing of a character string |
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118 vs. hermitian operator at the beginning of an anonymous function |
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119 expression. The use of ' for the character string and the spacing is |
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120 intentional, so don't change it. |
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121 |
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122 %!test |
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123 %! f = @() 'foo'; |
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124 %! assert (f (), 'foo'); |
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125 |
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126 %!test |
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127 %! f = @()'foo'; |
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128 %! assert (f (), 'foo'); |
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129 */ |