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annotate libinterp/parse-tree/pt-misc.cc @ 20750:3339c9bdfe6a

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Activate FSAL property in dorpri timestepper * scripts/ode/private/runge_kutta_45_dorpri.m: don't compute first stage if values from previous iteration are passed. * scripts/ode/private/integrate_adaptive.m: do not update cmputed stages if timestep is rejected.
author Carlo de Falco <carlo.defalco@polimi.it>
date Sat, 03 Oct 2015 07:32:50 +0200
parents 58b02a8d0fe9
children f90c8372b7ba
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1 /*
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2
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4197fc428c7d maint: Update copyright notices for 2015.
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3 Copyright (C) 1994-2015 John W. Eaton
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4
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5 This file is part of Octave.
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6
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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 the
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9 Free Software Foundation; either version 3 of the License, or (at your
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10 option) any later version.
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11
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12 Octave is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with Octave; see the file COPYING. If not, see
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19 <http://www.gnu.org/licenses/>.
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20
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21 */
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22
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23 #ifdef HAVE_CONFIG_H
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24 #include <config.h>
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25 #endif
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26
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27 #include "Cell.h"
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28
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29 #include "defun.h"
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30 #include "error.h"
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31 #include "ov.h"
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32 #include "oct-lvalue.h"
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33 #include "pt-id.h"
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34 #include "pt-idx.h"
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35 #include "pt-misc.h"
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36 #include "pt-walk.h"
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37 #include "utils.h"
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38
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39 // Parameter lists.
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40
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41 tree_parameter_list::~tree_parameter_list (void)
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42 {
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43 while (! empty ())
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44 {
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45 iterator p = begin ();
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46 delete *p;
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47 erase (p);
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48 }
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49 }
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50
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51 void
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52 tree_parameter_list::mark_as_formal_parameters (void)
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53 {
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54 for (iterator p = begin (); p != end (); p++)
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55 {
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56 tree_decl_elt *elt = *p;
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57 elt->mark_as_formal_parameter ();
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58 }
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59 }
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60
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61 bool
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62 tree_parameter_list::validate (in_or_out type)
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63 {
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64 bool retval = true;
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65
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66 std::set<std::string> dict;
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67
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68 for (iterator p = begin (); p != end (); p++)
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69 {
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70 tree_decl_elt *elt = *p;
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71
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72 tree_identifier *id = elt->ident ();
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73
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74 if (id)
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75 {
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76 std::string name = id->name ();
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77
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78 if (id->is_black_hole ())
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79 {
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80 if (type != in)
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81 error ("invalid use of ~ in output list");
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82 }
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83 else if (dict.find (name) != dict.end ())
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84 {
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85 retval = false;
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86 error ("'%s' appears more than once in parameter list",
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87 name.c_str ());
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88 break;
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89 }
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90 else
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91 dict.insert (name);
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92 }
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93 }
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94
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95 if (! error_state)
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96 {
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97 std::string va_type = (type == in ? "varargin" : "varargout");
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98
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99 size_t len = length ();
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100
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101 if (len > 0)
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102 {
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103 tree_decl_elt *elt = back ();
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104
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105 tree_identifier *id = elt->ident ();
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106
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107 if (id && id->name () == va_type)
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108 {
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109 if (len == 1)
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110 mark_varargs_only ();
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111 else
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112 mark_varargs ();
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113
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114 iterator p = end ();
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115 --p;
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116 delete *p;
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117 erase (p);
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118 }
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119 }
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120 }
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121
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122 return retval;
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123 }
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124
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125 void
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126 tree_parameter_list::initialize_undefined_elements (const std::string& warnfor,
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127 int nargout,
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128 const octave_value& val)
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129 {
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130 bool warned = false;
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131
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132 int count = 0;
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133
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134 octave_value tmp = symbol_table::varval (".ignored.");
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135 const Matrix ignored = tmp.is_defined () ? tmp.matrix_value () : Matrix ();
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136
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137 octave_idx_type k = 0;
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138
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139 for (iterator p = begin (); p != end (); p++)
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140 {
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141 if (++count > nargout)
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142 break;
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143
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144 tree_decl_elt *elt = *p;
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145
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146 if (! elt->is_variable ())
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147 {
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148 if (! warned)
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149 {
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150 warned = true;
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diff changeset
151
10832
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
152 while (k < ignored.numel ())
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
153 {
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
154 octave_idx_type l = ignored (k);
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
155 if (l == count)
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
156 {
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
157 warned = false;
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
158 break;
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
159 }
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
160 else if (l > count)
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
161 break;
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
162 else
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
163 k++;
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
164 }
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
165
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
166 if (warned)
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
167 {
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
168 warning_with_id
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
169 ("Octave:undefined-return-values",
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
170 "%s: some elements in list of return values are undefined",
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
171 warnfor.c_str ());
1b2fcd122c6a allow user detect ignored outputs in m-functions
Jaroslav Hajek <highegg@gmail.com>
parents: 10315
diff changeset
172 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
173 }
4466
b18007283045 [project @ 2003-07-15 11:43:28 by jwe]
jwe
parents: 4465
diff changeset
174
10958
80cf5bf4232c avoid GCC shadow variable warning
John W. Eaton <jwe@octave.org>
parents: 10832
diff changeset
175 octave_lvalue lval = elt->lvalue ();
2973
ef3379196bcf [project @ 1997-05-15 19:27:38 by jwe]
jwe
parents: 2959
diff changeset
176
10958
80cf5bf4232c avoid GCC shadow variable warning
John W. Eaton <jwe@octave.org>
parents: 10832
diff changeset
177 lval.assign (octave_value::op_asn_eq, val);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
178 }
1093
51fd9e40a7f7 [project @ 1995-02-03 21:57:34 by jwe]
jwe
parents: 1063
diff changeset
179 }
51fd9e40a7f7 [project @ 1995-02-03 21:57:34 by jwe]
jwe
parents: 1063
diff changeset
180 }
51fd9e40a7f7 [project @ 1995-02-03 21:57:34 by jwe]
jwe
parents: 1063
diff changeset
181
51fd9e40a7f7 [project @ 1995-02-03 21:57:34 by jwe]
jwe
parents: 1063
diff changeset
182 void
2086
bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe]
jwe
parents: 1996
diff changeset
183 tree_parameter_list::define_from_arg_vector (const octave_value_list& args)
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
184 {
712
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe]
jwe
parents: 672
diff changeset
185 int nargin = args.length ();
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe]
jwe
parents: 672
diff changeset
186
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe]
jwe
parents: 672
diff changeset
187 int expected_nargin = length ();
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
188
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4212
diff changeset
189 iterator p = begin ();
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
190
712
36ba0576bd1b [project @ 1994-09-19 14:18:15 by jwe]
jwe
parents: 672
diff changeset
191 for (int i = 0; i < expected_nargin; i++)
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
192 {
6215
516d3071b34c [project @ 2006-12-15 03:24:12 by jwe]
jwe
parents: 5861
diff changeset
193 tree_decl_elt *elt = *p++;
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
194
2979
a3556d2adec9 [project @ 1997-05-15 22:35:37 by jwe]
jwe
parents: 2973
diff changeset
195 octave_lvalue ref = elt->lvalue ();
2959
5d1b71cd39f7 [project @ 1997-05-11 22:53:12 by jwe]
jwe
parents: 2956
diff changeset
196
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
197 if (i < nargin)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
198 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
199 if (args(i).is_defined () && args(i).is_magic_colon ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
200 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
201 if (! elt->eval ())
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
202 {
20633
58b02a8d0fe9 Report backtrace for "no default value" error in function header (bug #45496).
Rik <rik@octave.org>
parents: 19898
diff changeset
203 error ("no default value for argument %d", i+1);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
204 return;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
205 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
206 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
207 else
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
208 ref.define (args(i));
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
209 }
2891
1a30f46e1870 [project @ 1997-04-28 01:49:00 by jwe]
jwe
parents: 2878
diff changeset
210 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
211 elt->eval ();
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
212 }
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
213 }
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
214
3239
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
215 void
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4212
diff changeset
216 tree_parameter_list::undefine (void)
3239
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
217 {
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
218 int len = length ();
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
219
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4212
diff changeset
220 iterator p = begin ();
3239
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
221
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
222 for (int i = 0; i < len; i++)
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
223 {
6215
516d3071b34c [project @ 2006-12-15 03:24:12 by jwe]
jwe
parents: 5861
diff changeset
224 tree_decl_elt *elt = *p++;
3239
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
225
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
226 octave_lvalue ref = elt->lvalue ();
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
227
3538
0ff7323dab8b [project @ 2000-02-02 12:36:25 by jwe]
jwe
parents: 3239
diff changeset
228 ref.assign (octave_value::op_asn_eq, octave_value ());
3239
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
229 }
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
230 }
d54ef0aa6e82 [project @ 1999-03-27 17:40:45 by jwe]
jwe
parents: 2982
diff changeset
231
16360
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
232 std::list<std::string>
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
233 tree_parameter_list::variable_names (void) const
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
234 {
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
235 std::list<std::string> retval;
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
236
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
237 for (const_iterator p = begin (); p != end (); p++)
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
238 {
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
239 tree_decl_elt *elt = *p;
17787
175b392e91fe Use GNU style coding conventions for code in libinterp/
Rik <rik@octave.org>
parents: 17744
diff changeset
240
16360
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
241 retval.push_back (elt->name ());
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
242 }
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
243
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
244 return retval;
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
245 }
11115c237231 recognize variables when parsing (bug #38576)
John W. Eaton <jwe@octave.org>
parents: 15467
diff changeset
246
2086
bfb775fb6fe8 [project @ 1996-04-25 05:55:19 by jwe]
jwe
parents: 1996
diff changeset
247 octave_value_list
9644
080e11f1b0c1 don't return undefined output values from user functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
248 tree_parameter_list::convert_to_const_vector (int nargout,
080e11f1b0c1 don't return undefined output values from user functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
249 const Cell& varargout)
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
250 {
5848
415ae81d331b [project @ 2006-06-08 20:37:29 by jwe]
jwe
parents: 5781
diff changeset
251 octave_idx_type vlen = varargout.numel ();
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
252 int len = length ();
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
253
9644
080e11f1b0c1 don't return undefined output values from user functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
254 // Special case. Will do a shallow copy.
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
255 if (len == 0)
9644
080e11f1b0c1 don't return undefined output values from user functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
256 return varargout;
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
257 else if (nargout <= len)
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
258 {
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
259 octave_value_list retval (nargout);
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
260
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
261 int i = 0;
723
1c072f20b522 [project @ 1994-09-21 16:00:10 by jwe]
jwe
parents: 712
diff changeset
262
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
263 for (iterator p = begin (); p != end (); p++)
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
264 {
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
265 tree_decl_elt *elt = *p;
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
266 if (elt->is_defined ())
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
267 retval(i++) = elt->rvalue1 ();
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
268 else
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
269 break;
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
270 }
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
271
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
272 return retval;
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
273 }
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
274 else
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
275 {
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
276 octave_value_list retval (len + vlen);
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
277
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
278 int i = 0;
9644
080e11f1b0c1 don't return undefined output values from user functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
279
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
280 for (iterator p = begin (); p != end (); p++)
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
281 {
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
282 tree_decl_elt *elt = *p;
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
283 retval(i++) = elt->rvalue1 ();
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
284 }
723
1c072f20b522 [project @ 1994-09-21 16:00:10 by jwe]
jwe
parents: 712
diff changeset
285
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
286 for (octave_idx_type j = 0; j < vlen; j++)
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
287 retval(i++) = varargout(j);
9644
080e11f1b0c1 don't return undefined output values from user functions
Jaroslav Hajek <highegg@gmail.com>
parents: 8920
diff changeset
288
9691
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
289 return retval;
318e0cdd31bd improve OOP subsref handling
Jaroslav Hajek <highegg@gmail.com>
parents: 9644
diff changeset
290 }
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
291 }
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
292
1827
effa9400766f [project @ 1996-02-02 14:07:51 by jwe]
jwe
parents: 1742
diff changeset
293 bool
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
294 tree_parameter_list::is_defined (void)
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
295 {
1827
effa9400766f [project @ 1996-02-02 14:07:51 by jwe]
jwe
parents: 1742
diff changeset
296 bool status = true;
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
297
4219
23d06c9e1edd [project @ 2002-12-06 21:29:17 by jwe]
jwe
parents: 4212
diff changeset
298 for (iterator p = begin (); p != end (); p++)
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
299 {
6215
516d3071b34c [project @ 2006-12-15 03:24:12 by jwe]
jwe
parents: 5861
diff changeset
300 tree_decl_elt *elt = *p;
577
91e2164fb1b2 [project @ 1994-08-03 20:06:54 by jwe]
jwe
parents:
diff changeset
301
7336
745a8299c2b5 [project @ 2007-12-28 20:56:55 by jwe]
jwe
parents: 7017
diff changeset
302 if (! elt->is_variable ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
303 {
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10206
diff changeset
304 status = false;
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305 break;
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306 }
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307 }
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308
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309 return status;
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310 }
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311
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312 tree_parameter_list *
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313 tree_parameter_list::dup (symbol_table::scope_id scope,
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314 symbol_table::context_id context) const
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315 {
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316 tree_parameter_list *new_list = new tree_parameter_list ();
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317
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318 if (takes_varargs ())
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319 new_list->mark_varargs ();
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320
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321 for (const_iterator p = begin (); p != end (); p++)
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322 {
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323 const tree_decl_elt *elt = *p;
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324
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325 new_list->append (elt->dup (scope, context));
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326 }
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327
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328 return new_list;
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329 }
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330
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331 void
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332 tree_parameter_list::accept (tree_walker& tw)
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333 {
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334 tw.visit_parameter_list (*this);
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335 }
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336
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337 // Return lists.
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338
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339 tree_return_list::~tree_return_list (void)
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340 {
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341 while (! empty ())
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342 {
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343 iterator p = begin ();
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344 delete *p;
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345 erase (p);
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346 }
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347 }
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348
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349 tree_return_list *
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350 tree_return_list::dup (symbol_table::scope_id scope,
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351 symbol_table::context_id context) const
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352 {
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353 tree_return_list *new_list = new tree_return_list ();
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354
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355 for (const_iterator p = begin (); p != end (); p++)
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356 {
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357 const tree_index_expression *elt = *p;
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358
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359 new_list->append (elt->dup (scope, context));
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360 }
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361
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362 return new_list;
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363 }
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364
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365 void
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366 tree_return_list::accept (tree_walker& tw)
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367 {
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368 tw.visit_return_list (*this);
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369 }