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Grammarcheck .txi documentation files.
author Rik <octave@nomad.inbox5.com>
date Wed, 28 Jul 2010 12:45:04 -0700
parents 57a59eae83cc
children fd0a3ac60b0e
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1 /*
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2
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3 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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4 2008, 2009 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 <iostream>
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29
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30 #include "Cell.h"
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31 #include "defun.h"
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32 #include "error.h"
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33 #include "oct-obj.h"
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34 #include "pt-arg-list.h"
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35 #include "pt-bp.h"
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36 #include "pt-exp.h"
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37 #include "pt-cell.h"
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38 #include "pt-walk.h"
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39 #include "utils.h"
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40 #include "ov.h"
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41 #include "variables.h"
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42
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43 octave_value
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44 tree_cell::rvalue1 (int)
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45 {
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46 octave_value retval;
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47
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48 octave_idx_type nr = length ();
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49 octave_idx_type nc = -1;
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50
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51 Cell val;
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52
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53 int i = 0;
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54
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55 for (iterator p = begin (); p != end (); p++)
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56 {
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57 tree_argument_list *elt = *p;
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58
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59 octave_value_list row = elt->convert_to_const_vector ();
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60
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61 if (nr == 1)
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62 // Optimize the single row case.
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63 val = row.cell_value ();
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64 else if (nc < 0)
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65 {
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66 nc = row.length ();
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67
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68 val = Cell (nr, nc);
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69 }
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70 else
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71 {
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72 octave_idx_type this_nc = row.length ();
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73
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74 if (nc != this_nc)
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75 {
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76 ::error ("number of columns must match");
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77 return retval;
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78 }
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79 }
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80
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81 for (octave_idx_type j = 0; j < nc; j++)
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82 val(i,j) = row(j);
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83
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84 i++;
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85 }
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86
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87 retval = val;
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88
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89 return retval;
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90 }
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91
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92 octave_value_list
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93 tree_cell::rvalue (int nargout)
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94 {
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95 octave_value_list retval;
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96
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97 if (nargout > 1)
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98 error ("invalid number of output arguments for cell array");
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99 else
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100 retval = rvalue1 (nargout);
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101
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102 return retval;
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103 }
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104
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105 tree_expression *
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106 tree_cell::dup (symbol_table::scope_id scope,
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107 symbol_table::context_id context) const
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108 {
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109 tree_cell *new_cell = new tree_cell (0, line (), column ());
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110
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111 for (const_iterator p = begin (); p != end (); p++)
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112 {
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113 const tree_argument_list *elt = *p;
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114
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115 new_cell->append (elt ? elt->dup (scope, context) : 0);
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116 }
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117
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118 new_cell->copy_base (*this);
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119
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120 return new_cell;
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121 }
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122
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123 void
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124 tree_cell::accept (tree_walker& tw)
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125 {
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126 tw.visit_cell (*this);
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127 }