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1 /* |
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2 |
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3 Copyright (C) 2003 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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20 02110-1301, USA. |
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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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5765
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29 #include <sstream> |
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5164
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30 #include <vector> |
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31 |
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32 #include "defun.h" |
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4654
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33 #include "error.h" |
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34 #include "gripes.h" |
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5663
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35 #include "input.h" |
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4343
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36 #include "oct-map.h" |
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37 #include "ov-base.h" |
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38 #include "ov-fcn-handle.h" |
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4980
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39 #include "ov-usr-fcn.h" |
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4343
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40 #include "pr-output.h" |
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4980
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41 #include "pt-pr-code.h" |
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42 #include "pt-misc.h" |
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43 #include "pt-stmt.h" |
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44 #include "pt-cmd.h" |
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45 #include "pt-exp.h" |
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46 #include "pt-assign.h" |
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4343
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47 #include "variables.h" |
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4988
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48 #include "parse.h" |
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6625
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49 #include "unwind-prot.h" |
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50 #include "defaults.h" |
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51 #include "file-stat.h" |
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52 #include "load-path.h" |
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53 #include "oct-env.h" |
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4988
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54 |
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55 #include "byte-swap.h" |
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56 #include "ls-oct-ascii.h" |
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6625
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57 #include "ls-oct-binary.h" |
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4988
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58 #include "ls-hdf5.h" |
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59 #include "ls-utils.h" |
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4343
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60 |
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61 DEFINE_OCTAVE_ALLOCATOR (octave_fcn_handle); |
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62 |
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4612
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63 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_fcn_handle, |
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64 "function handle", |
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5946
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65 "function_handle"); |
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4343
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66 |
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5663
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67 void |
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68 octave_fcn_handle::reload_warning (const std::string& fcn_type) const |
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69 { |
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70 if (warn_reload) |
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71 { |
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72 warn_reload = false; |
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73 |
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74 warning ("reloading %s functions referenced by function handles is not implemented", |
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75 fcn_type.c_str ()); |
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76 } |
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77 } |
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78 |
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4924
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79 octave_value_list |
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80 octave_fcn_handle::subsref (const std::string& type, |
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81 const std::list<octave_value_list>& idx, |
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82 int nargout) |
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83 { |
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84 octave_value_list retval; |
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85 |
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86 switch (type[0]) |
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87 { |
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88 case '(': |
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89 { |
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90 octave_function *f = function_value (); |
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5312
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91 |
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5663
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92 if (f && f->time_checked () < Vlast_prompt_time) |
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93 { |
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94 std::string ff_nm = f->fcn_file_name (); |
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95 |
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96 time_t tp = f->time_parsed (); |
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97 |
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98 if (ff_nm.empty ()) |
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99 { |
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5775
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100 // FIXME -- need to handle inline and |
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5663
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101 // command-line functions here. |
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102 } |
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103 else |
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104 { |
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105 if (fcn_out_of_date (f, ff_nm, tp)) |
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106 { |
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5775
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107 // FIXME -- there is currently no way to |
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5663
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108 // parse a .m file or reload a .oct file that |
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109 // leaves the fbi symbol table untouched. We need |
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110 // a function that will parse the file and return |
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111 // a pointer to the new function definition |
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112 // without altering the symbol table. |
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113 |
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114 if (f->is_nested_function ()) |
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115 reload_warning ("nested"); |
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116 else |
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117 reload_warning ("functions"); |
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118 } |
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119 } |
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120 } |
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5312
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121 |
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122 if (f) |
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123 retval = f->subsref (type, idx, nargout); |
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124 else |
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125 error ("invalid function handle"); |
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4924
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126 } |
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127 break; |
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128 |
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129 |
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130 case '{': |
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131 case '.': |
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132 { |
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4930
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133 std::string typ_nm = type_name (); |
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134 error ("%s cannot be indexed with %c", typ_nm.c_str (), type[0]); |
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4924
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135 } |
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136 break; |
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137 |
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138 default: |
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139 panic_impossible (); |
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140 } |
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141 |
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5775
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142 // FIXME -- perhaps there should be an |
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143 // octave_value_list::next_subsref member function? See also |
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144 // octave_builtin::subsref. |
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145 |
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146 if (idx.size () > 1) |
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4994
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147 retval = retval(0).next_subsref (nargout, type, idx); |
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4924
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148 |
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149 return retval; |
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150 } |
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151 |
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4988
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152 bool |
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6625
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153 octave_fcn_handle::set_fcn (const std::string &octaveroot, |
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154 const std::string& fpath) |
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4988
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155 { |
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6625
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156 bool success = true; |
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157 |
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158 if (octaveroot.length () != 0 && |
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159 fpath.length () >= octaveroot.length () && |
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160 fpath.substr (0, octaveroot.length ()) == octaveroot && |
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161 OCTAVE_EXEC_PREFIX != octaveroot) |
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162 { |
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163 // First check if just replacing matlabroot is enough |
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164 std::string str = OCTAVE_EXEC_PREFIX + |
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165 fpath.substr (octaveroot.length ()); |
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166 file_stat fs (str); |
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167 |
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168 if (fs.exists ()) |
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169 { |
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170 symbol_record *sr = fbi_sym_tab->lookup (str, true); |
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171 |
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172 if (sr) |
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173 { |
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174 load_fcn_from_file (sr, false); |
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175 |
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176 fcn = octave_value (new octave_fcn_handle (sr->def (), nm)); |
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177 |
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178 // The next two lines are needed to force the |
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179 // definition of the function back to the one |
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180 // that is on the user path. |
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181 sr = fbi_sym_tab->lookup (nm, true); |
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182 |
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183 load_fcn_from_file (sr, false); |
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184 |
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185 } |
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186 else |
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187 { |
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188 error ("function handle points to non-existent function"); |
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189 success = false; |
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190 } |
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191 } |
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192 else |
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193 { |
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194 // Next just search for it anywhere in the system path |
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195 string_vector names(3); |
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196 names(0) = nm + ".oct"; |
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197 names(1) = nm + ".mex"; |
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198 names(2) = nm + ".m"; |
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199 |
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6626
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200 dir_path p (load_path::system_path ()); |
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6625
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201 |
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202 str = octave_env::make_absolute |
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203 (p.find_first_of (names), octave_env::getcwd ()); |
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204 |
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205 symbol_record *sr = fbi_sym_tab->lookup (str, true); |
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206 |
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207 if (sr) |
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208 { |
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209 load_fcn_from_file (sr, false); |
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210 |
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6625
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211 fcn = octave_value (new octave_fcn_handle (sr->def (), nm)); |
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212 |
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213 // The next two lines are needed to force the |
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214 // definition of the function back to the one |
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215 // that is on the user path. |
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216 sr = fbi_sym_tab->lookup (nm, true); |
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217 |
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218 load_fcn_from_file (sr, false); |
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219 } |
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220 else |
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221 { |
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222 error ("function handle points to non-existent function"); |
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223 success = false; |
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224 } |
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225 } |
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226 } |
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227 else |
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228 { |
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229 if (fpath.length () > 0) |
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230 { |
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231 symbol_record *sr = fbi_sym_tab->lookup (fpath, true); |
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232 |
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233 if (sr) |
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234 { |
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235 load_fcn_from_file (sr, false); |
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236 |
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237 fcn = octave_value (new octave_fcn_handle (sr->def (), nm)); |
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238 |
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239 sr = fbi_sym_tab->lookup (nm, true); |
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240 |
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241 load_fcn_from_file (sr, false); |
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242 } |
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243 else |
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244 { |
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245 error ("function handle points to non-existent function"); |
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246 success = false; |
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247 } |
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248 } |
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249 else |
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250 { |
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251 fcn = lookup_function (nm); |
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252 if (! fcn.is_function ()) |
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253 { |
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254 error ("function handle points to non-existent function"); |
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255 success = false; |
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256 } |
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257 } |
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258 } |
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259 |
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260 return success; |
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261 } |
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262 |
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263 bool |
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264 octave_fcn_handle::save_ascii (std::ostream& os, bool& infnan_warned) |
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265 { |
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4988
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266 if (nm == "@<anonymous>") |
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267 { |
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6625
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268 os << nm << "\n"; |
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269 |
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4989
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270 print_raw (os, true); |
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271 os << "\n"; |
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6625
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272 |
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273 if (fcn.is_undefined()) |
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274 return false; |
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275 |
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276 octave_user_function *f = fcn.user_function_value (); |
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277 |
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278 Array<symbol_record *> vars = f->sym_tab()->symbol_list(); |
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279 octave_idx_type varlen = vars.length(); |
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280 |
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281 // Exclude undefined values like __retval__ |
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282 for (octave_idx_type i = 0; i < vars.length(); i++) |
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283 { |
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284 if (! vars(i)->is_defined ()) |
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285 varlen--; |
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286 } |
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287 |
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288 if (varlen > 0) |
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289 { |
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290 os << "# length: " << varlen << "\n"; |
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291 |
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292 for (octave_idx_type i = 0; i < vars.length(); i++) |
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293 { |
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294 if (vars(i)->is_defined () && |
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295 ! save_ascii_data (os, vars(i)->def(), vars(i)->name(), |
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296 infnan_warned, false, 0)) |
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297 return os; |
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298 } |
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299 } |
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300 } |
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301 else |
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302 { |
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303 os << "# octaveroot: " << OCTAVE_EXEC_PREFIX << "\n"; |
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304 os << "# path: " << user_function_value ()-> fcn_file_name () << "\n"; |
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305 os << nm << "\n"; |
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4988
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306 } |
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307 |
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308 return true; |
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309 } |
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310 |
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311 bool |
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312 octave_fcn_handle::load_ascii (std::istream& is) |
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313 { |
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6625
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314 bool success = true; |
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315 |
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316 std::streampos pos = is.tellg (); |
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317 std::string octaveroot = extract_keyword (is, "octaveroot", true); |
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318 if (octaveroot.length() == 0) |
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319 { |
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320 is.seekg (pos); |
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321 is.clear (); |
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322 } |
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323 pos = is.tellg (); |
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324 std::string fpath = extract_keyword (is, "path", true); |
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325 if (fpath.length() == 0) |
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326 { |
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327 is.seekg (pos); |
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328 is.clear (); |
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329 } |
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330 |
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4988
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331 is >> nm; |
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4989
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332 |
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4988
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333 if (nm == "@<anonymous>") |
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334 { |
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6625
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335 octave_idx_type len = 0; |
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4988
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336 char c; |
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5765
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337 std::ostringstream buf; |
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4988
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338 |
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4989
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339 // Skip preceeding newline(s). |
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340 while (is.get (c) && c == '\n') |
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341 /* do nothing */; |
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4988
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342 |
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343 if (is) |
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344 { |
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345 buf << c; |
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346 |
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347 // Get a line of text whitespace characters included, leaving |
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4989
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348 // newline in the stream. |
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349 |
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4988
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350 while (is.peek () != '\n') |
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351 { |
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352 is.get (c); |
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353 if (! is) |
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354 break; |
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355 buf << c; |
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356 } |
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357 } |
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358 |
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6625
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359 pos = is.tellg (); |
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360 symbol_table *local_sym_tab = 0; |
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4988
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361 |
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6625
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362 if (extract_keyword (is, "length", len, true) && len >= 0) |
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4989
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363 { |
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6625
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364 if (len > 0) |
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365 { |
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366 octave_idx_type nlen = len; |
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367 if (nlen % 2) |
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368 nlen++; |
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369 |
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370 local_sym_tab = new symbol_table (((nlen + 1) & ~1) , "LOCAL"); |
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371 |
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372 for (octave_idx_type i = 0; i < len; i++) |
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373 { |
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374 octave_value t2; |
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375 bool dummy; |
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376 |
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377 std::string name |
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378 = read_ascii_data (is, std::string (), dummy, t2, i); |
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379 |
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380 if (!is) |
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381 { |
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382 error ("load: failed to load anonymous function handle"); |
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383 break; |
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384 } |
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385 |
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386 symbol_record *sr = local_sym_tab->lookup (name, true); |
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387 |
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388 if (sr) |
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389 sr->define (t2); |
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390 else |
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391 { |
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392 error ("load: failed to load anonymous function handle"); |
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393 success = false; |
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394 break; |
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395 } |
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396 } |
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397 } |
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4989
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398 } |
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399 else |
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6625
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400 { |
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401 is.seekg (pos); |
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402 is.clear (); |
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403 } |
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404 |
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405 if (is && success) |
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406 { |
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407 unwind_protect::begin_frame ("anon_ascii_load"); |
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408 unwind_protect_ptr (curr_sym_tab); |
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409 |
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410 if (local_sym_tab) |
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411 curr_sym_tab = local_sym_tab; |
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412 |
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413 int parse_status; |
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414 octave_value anon_fcn_handle = |
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415 eval_string (buf.str (), true, parse_status); |
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416 |
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417 if (parse_status == 0) |
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418 { |
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419 octave_fcn_handle *fh = |
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420 anon_fcn_handle.fcn_handle_value (); |
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421 if (fh) |
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422 fcn = fh->fcn; |
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423 else |
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424 success = false; |
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425 } |
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426 else |
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427 success = false; |
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428 |
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429 unwind_protect::run_frame ("anon_ascii_load"); |
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430 } |
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431 else |
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432 success = false; |
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433 |
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434 if (local_sym_tab) |
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435 delete local_sym_tab; |
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4988
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436 } |
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437 else |
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6625
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438 success = set_fcn (octaveroot, fpath); |
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4988
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439 |
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6625
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440 return success; |
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4988
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441 } |
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442 |
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6625
|
443 /* |
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444 |
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445 %!test |
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446 %! a = 2; |
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447 %! f = @(x) a + x; |
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448 %! g = @(x) 2 * x; |
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449 %! h = @log2; |
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450 %! f2 = f; |
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451 %! g2 = g; |
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452 %! h2 = h; |
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453 %! nm = tmpnam(); |
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|
454 %! unwind_protect |
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455 %! save ("-text", nm, "f2", "g2", "h2"); |
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|
456 %! clear f2 g2 h2 |
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457 %! load (nm); |
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458 %! assert (f(2),f2(2)); |
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459 %! assert (g(2),g2(2)); |
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460 %! assert (g(3),g2(3)); |
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|
461 %! unlink (nm); |
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462 %! save ("-text", nm, "f2", "g2", "h2"); |
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463 %! unwind_protect_cleanup |
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464 %! unlink (nm); |
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465 %! end_unwind_protect |
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466 |
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467 */ |
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468 |
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4988
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469 bool |
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6625
|
470 octave_fcn_handle::save_binary (std::ostream& os, bool& save_as_floats) |
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4988
|
471 { |
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|
472 if (nm == "@<anonymous>") |
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|
473 { |
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6625
|
474 std::ostringstream nmbuf; |
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|
475 |
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|
476 if (fcn.is_undefined()) |
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|
477 return false; |
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|
478 |
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|
479 octave_user_function *f = fcn.user_function_value (); |
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|
480 |
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|
481 Array<symbol_record *> vars = f->sym_tab()->symbol_list(); |
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|
482 octave_idx_type varlen = vars.length(); |
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|
483 |
|
|
484 // Exclude undefined values like __retval__ |
|
|
485 for (octave_idx_type i = 0; i < vars.length(); i++) |
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|
486 { |
|
|
487 if (! vars(i)->is_defined ()) |
|
|
488 varlen--; |
|
|
489 } |
|
|
490 |
|
|
491 if (varlen > 0) |
|
|
492 nmbuf << nm << " " << varlen; |
|
|
493 else |
|
|
494 nmbuf << nm; |
|
|
495 |
|
|
496 std::string buf_str = nmbuf.str(); |
|
|
497 int32_t tmp = buf_str.length (); |
|
|
498 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
|
499 os.write (buf_str.c_str (), buf_str.length ()); |
|
|
500 |
|
5765
|
501 std::ostringstream buf; |
|
4988
|
502 print_raw (buf, true); |
|
5765
|
503 std::string stmp = buf.str (); |
|
4988
|
504 tmp = stmp.length (); |
|
5760
|
505 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
4988
|
506 os.write (stmp.c_str (), stmp.length ()); |
|
6625
|
507 |
|
|
508 if (varlen > 0) |
|
|
509 { |
|
|
510 for (octave_idx_type i = 0; i < vars.length(); i++) |
|
|
511 { |
|
|
512 if (vars(i)->is_defined () && |
|
|
513 ! save_binary_data (os, vars(i)->def(), vars(i)->name(), |
|
|
514 "", 0, save_as_floats)) |
|
|
515 return os; |
|
|
516 } |
|
|
517 } |
|
|
518 } |
|
|
519 else |
|
|
520 { |
|
|
521 std::ostringstream nmbuf; |
|
|
522 |
|
|
523 nmbuf << nm << "\n" << OCTAVE_EXEC_PREFIX << "\n" |
|
|
524 << user_function_value ()-> fcn_file_name () ; |
|
|
525 |
|
|
526 std::string buf_str = nmbuf.str (); |
|
|
527 int32_t tmp = buf_str.length (); |
|
|
528 os.write (reinterpret_cast<char *> (&tmp), 4); |
|
|
529 os.write (buf_str.c_str (), buf_str.length ()); |
|
4988
|
530 } |
|
|
531 return true; |
|
|
532 } |
|
|
533 |
|
|
534 bool |
|
|
535 octave_fcn_handle::load_binary (std::istream& is, bool swap, |
|
6625
|
536 oct_mach_info::float_format fmt) |
|
4988
|
537 { |
|
6625
|
538 bool success = true; |
|
5828
|
539 int32_t tmp; |
|
5760
|
540 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
|
4988
|
541 return false; |
|
|
542 if (swap) |
|
|
543 swap_bytes<4> (&tmp); |
|
|
544 |
|
|
545 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1); |
|
|
546 is.read (ctmp1, tmp); |
|
|
547 nm = std::string (ctmp1); |
|
|
548 |
|
|
549 if (! is) |
|
|
550 return false; |
|
|
551 |
|
6625
|
552 if (nm.length() >= 12 && nm.substr (0, 12) == "@<anonymous>") |
|
4988
|
553 { |
|
6625
|
554 octave_idx_type len = 0; |
|
|
555 |
|
|
556 if (nm.length() > 12) |
|
|
557 { |
|
|
558 std::istringstream nm_is (nm.substr(12)); |
|
|
559 nm_is >> len; |
|
|
560 nm = nm.substr(0,12); |
|
|
561 } |
|
|
562 |
|
5760
|
563 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
|
4988
|
564 return false; |
|
|
565 if (swap) |
|
|
566 swap_bytes<4> (&tmp); |
|
|
567 |
|
|
568 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1); |
|
|
569 is.read (ctmp2, tmp); |
|
|
570 |
|
6625
|
571 symbol_table *local_sym_tab = 0; |
|
|
572 if (len > 0) |
|
4989
|
573 { |
|
6625
|
574 octave_idx_type nlen = len; |
|
|
575 if (nlen % 2) |
|
|
576 nlen++; |
|
|
577 |
|
|
578 local_sym_tab = new symbol_table (nlen, "LOCAL"); |
|
|
579 |
|
|
580 for (octave_idx_type i = 0; i < len; i++) |
|
|
581 { |
|
|
582 octave_value t2; |
|
|
583 bool dummy; |
|
|
584 std::string doc; |
|
|
585 |
|
|
586 std::string name = |
|
|
587 read_binary_data (is, swap, fmt, std::string (), |
|
|
588 dummy, t2, doc); |
|
|
589 |
|
|
590 if (!is) |
|
|
591 { |
|
|
592 error ("load: failed to load anonymous function handle"); |
|
|
593 break; |
|
|
594 } |
|
|
595 |
|
|
596 symbol_record *sr = local_sym_tab->lookup (name, true); |
|
|
597 |
|
|
598 if (sr) |
|
|
599 { |
|
|
600 sr->define (t2); |
|
|
601 sr->document (doc); |
|
|
602 } |
|
|
603 else |
|
|
604 { |
|
|
605 error ("load: failed to load anonymous function handle"); |
|
|
606 success = false; |
|
|
607 break; |
|
|
608 } |
|
|
609 } |
|
|
610 } |
|
|
611 |
|
|
612 if (is && success) |
|
|
613 { |
|
|
614 unwind_protect::begin_frame ("anon_binary_load"); |
|
|
615 unwind_protect_ptr (curr_sym_tab); |
|
|
616 |
|
|
617 if (local_sym_tab) |
|
|
618 curr_sym_tab = local_sym_tab; |
|
|
619 |
|
|
620 int parse_status; |
|
|
621 octave_value anon_fcn_handle = |
|
|
622 eval_string (ctmp2, true, parse_status); |
|
|
623 |
|
|
624 if (parse_status == 0) |
|
|
625 { |
|
|
626 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); |
|
|
627 if (fh) |
|
|
628 fcn = fh->fcn; |
|
|
629 else |
|
|
630 success = false; |
|
|
631 } |
|
4989
|
632 else |
|
6625
|
633 success = false; |
|
|
634 |
|
|
635 unwind_protect::run_frame ("anon_binary_load"); |
|
4989
|
636 } |
|
6625
|
637 |
|
|
638 if (local_sym_tab) |
|
|
639 delete local_sym_tab; |
|
4988
|
640 } |
|
|
641 else |
|
|
642 { |
|
6625
|
643 std::string octaveroot; |
|
|
644 std::string fpath; |
|
|
645 |
|
|
646 if (nm.find_first_of ("\n") != NPOS) |
|
6225
|
647 { |
|
6625
|
648 size_t pos1 = nm.find_first_of ("\n"); |
|
|
649 size_t pos2 = nm.find_first_of ("\n", pos1 + 1); |
|
|
650 octaveroot = nm.substr (pos1 + 1, pos2 - pos1 - 1); |
|
|
651 fpath = nm.substr (pos2 + 1); |
|
|
652 nm = nm.substr (0, pos1); |
|
6225
|
653 } |
|
6625
|
654 |
|
|
655 success = set_fcn (octaveroot, fpath); |
|
|
656 } |
|
|
657 |
|
|
658 return success; |
|
4988
|
659 } |
|
|
660 |
|
6625
|
661 /* |
|
|
662 |
|
|
663 %!test |
|
|
664 %! a = 2; |
|
|
665 %! f = @(x) a + x; |
|
|
666 %! g = @(x) 2 * x; |
|
|
667 %! h = @log2; |
|
|
668 %! f2 = f; |
|
|
669 %! g2 = g; |
|
|
670 %! h2 = h; |
|
|
671 %! nm = tmpnam(); |
|
|
672 %! unwind_protect |
|
|
673 %! save ("-binary", nm, "f2", "g2", "h2"); |
|
|
674 %! clear f2 g2 h2 |
|
|
675 %! load (nm); |
|
|
676 %! assert (f(2),f2(2)); |
|
|
677 %! assert (g(2),g2(2)); |
|
|
678 %! assert (g(3),g2(3)); |
|
|
679 %! unlink (nm); |
|
|
680 %! save ("-binary", nm, "f2", "g2", "h2"); |
|
|
681 %! unwind_protect_cleanup |
|
|
682 %! unlink (nm); |
|
|
683 %! end_unwind_protect |
|
|
684 |
|
|
685 */ |
|
|
686 |
|
4988
|
687 #if defined (HAVE_HDF5) |
|
|
688 bool |
|
|
689 octave_fcn_handle::save_hdf5 (hid_t loc_id, const char *name, |
|
6625
|
690 bool save_as_floats) |
|
4988
|
691 { |
|
|
692 hid_t group_hid = -1; |
|
|
693 group_hid = H5Gcreate (loc_id, name, 0); |
|
|
694 if (group_hid < 0 ) return false; |
|
|
695 |
|
|
696 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; |
|
|
697 bool retval = true; |
|
|
698 |
|
|
699 // attach the type of the variable |
|
|
700 type_hid = H5Tcopy (H5T_C_S1); |
|
|
701 H5Tset_size (type_hid, nm.length () + 1); |
|
|
702 if (type_hid < 0) |
|
|
703 { |
|
|
704 H5Gclose (group_hid); |
|
|
705 return false; |
|
|
706 } |
|
|
707 |
|
|
708 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); |
|
|
709 hdims[0] = 0; |
|
|
710 hdims[1] = 0; |
|
5760
|
711 space_hid = H5Screate_simple (0 , hdims, 0); |
|
4988
|
712 if (space_hid < 0) |
|
|
713 { |
|
|
714 H5Tclose (type_hid); |
|
|
715 H5Gclose (group_hid); |
|
|
716 return false; |
|
|
717 } |
|
|
718 |
|
|
719 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); |
|
|
720 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
|
5760
|
721 H5P_DEFAULT, nm.c_str ()) < 0) |
|
4988
|
722 { |
|
|
723 H5Sclose (space_hid); |
|
|
724 H5Tclose (type_hid); |
|
|
725 H5Gclose (group_hid); |
|
|
726 return false; |
|
|
727 } |
|
|
728 H5Dclose (data_hid); |
|
|
729 |
|
|
730 if (nm == "@<anonymous>") |
|
|
731 { |
|
5765
|
732 std::ostringstream buf; |
|
4988
|
733 print_raw (buf, true); |
|
5765
|
734 std::string stmp = buf.str (); |
|
4988
|
735 |
|
|
736 // attach the type of the variable |
|
|
737 H5Tset_size (type_hid, stmp.length () + 1); |
|
|
738 if (type_hid < 0) |
|
|
739 { |
|
|
740 H5Gclose (group_hid); |
|
|
741 return false; |
|
|
742 } |
|
|
743 |
|
|
744 data_hid = H5Dcreate (group_hid, "fcn", type_hid, space_hid, |
|
|
745 H5P_DEFAULT); |
|
|
746 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
|
5760
|
747 H5P_DEFAULT, stmp.c_str ()) < 0) |
|
4988
|
748 { |
|
|
749 H5Sclose (space_hid); |
|
|
750 H5Tclose (type_hid); |
|
|
751 H5Gclose (group_hid); |
|
|
752 return false; |
|
|
753 } |
|
|
754 |
|
|
755 H5Dclose (data_hid); |
|
6625
|
756 |
|
|
757 octave_user_function *f = fcn.user_function_value (); |
|
|
758 Array<symbol_record *> vars = f->sym_tab()->symbol_list(); |
|
|
759 octave_idx_type varlen = vars.length(); |
|
|
760 |
|
|
761 // Exclude undefined values like __retval__ |
|
|
762 for (octave_idx_type i = 0; i < vars.length(); i++) |
|
|
763 { |
|
|
764 if (! vars(i)->is_defined ()) |
|
|
765 varlen--; |
|
|
766 } |
|
|
767 |
|
|
768 if (varlen > 0) |
|
|
769 { |
|
|
770 hid_t as_id = H5Screate (H5S_SCALAR); |
|
|
771 |
|
|
772 if (as_id >= 0) |
|
|
773 { |
|
|
774 hid_t a_id = H5Acreate (group_hid, "SYMBOL_TABLE", |
|
|
775 H5T_NATIVE_IDX, as_id, H5P_DEFAULT); |
|
|
776 |
|
|
777 if (a_id >= 0) |
|
|
778 { |
|
|
779 retval = (H5Awrite (a_id, H5T_NATIVE_IDX, &varlen) >= 0); |
|
|
780 |
|
|
781 H5Aclose (a_id); |
|
|
782 } |
|
|
783 else |
|
|
784 retval = false; |
|
|
785 |
|
|
786 H5Sclose (as_id); |
|
|
787 } |
|
|
788 else |
|
|
789 retval = false; |
|
|
790 |
|
|
791 data_hid = H5Gcreate (group_hid, "symbol table", 0); |
|
|
792 if (data_hid < 0) |
|
|
793 { |
|
|
794 H5Sclose (space_hid); |
|
|
795 H5Tclose (type_hid); |
|
|
796 H5Gclose (group_hid); |
|
|
797 return false; |
|
|
798 } |
|
|
799 |
|
|
800 for (octave_idx_type i = 0; i < vars.length(); i++) |
|
|
801 { |
|
|
802 if (vars(i)->is_defined () && |
|
|
803 ! add_hdf5_data (data_hid, vars(i)->def(), vars(i)->name(), |
|
|
804 "", false, save_as_floats)) |
|
|
805 break; |
|
|
806 } |
|
|
807 H5Gclose (data_hid); |
|
|
808 } |
|
|
809 } |
|
|
810 else |
|
|
811 { |
|
|
812 std::string octaveroot = OCTAVE_EXEC_PREFIX; |
|
|
813 std::string fpath = user_function_value ()-> fcn_file_name (); |
|
|
814 |
|
|
815 H5Sclose (space_hid); |
|
|
816 hdims[0] = 1; |
|
|
817 hdims[1] = octaveroot.length (); |
|
|
818 space_hid = H5Screate_simple (0 , hdims, 0); |
|
|
819 if (space_hid < 0) |
|
|
820 { |
|
|
821 H5Tclose (type_hid); |
|
|
822 H5Gclose (group_hid); |
|
|
823 return false; |
|
|
824 } |
|
|
825 |
|
|
826 H5Tclose (type_hid); |
|
|
827 type_hid = H5Tcopy (H5T_C_S1); |
|
|
828 H5Tset_size (type_hid, octaveroot.length () + 1); |
|
|
829 |
|
|
830 hid_t a_id = H5Acreate (group_hid, "OCTAVEROOT", |
|
|
831 type_hid, space_hid, H5P_DEFAULT); |
|
|
832 |
|
|
833 if (a_id >= 0) |
|
|
834 { |
|
|
835 retval = (H5Awrite (a_id, type_hid, octaveroot.c_str ()) >= 0); |
|
|
836 |
|
|
837 H5Aclose (a_id); |
|
|
838 } |
|
|
839 else |
|
|
840 retval = false; |
|
|
841 |
|
|
842 H5Sclose (space_hid); |
|
|
843 hdims[0] = 1; |
|
|
844 hdims[1] = fpath.length (); |
|
|
845 space_hid = H5Screate_simple (0 , hdims, 0); |
|
|
846 if (space_hid < 0) |
|
|
847 { |
|
|
848 H5Tclose (type_hid); |
|
|
849 H5Gclose (group_hid); |
|
|
850 return false; |
|
|
851 } |
|
|
852 |
|
|
853 H5Tclose (type_hid); |
|
|
854 type_hid = H5Tcopy (H5T_C_S1); |
|
|
855 H5Tset_size (type_hid, fpath.length () + 1); |
|
|
856 |
|
|
857 a_id = H5Acreate (group_hid, "FILE", type_hid, space_hid, H5P_DEFAULT); |
|
|
858 |
|
|
859 if (a_id >= 0) |
|
|
860 { |
|
|
861 retval = (H5Awrite (a_id, type_hid, fpath.c_str ()) >= 0); |
|
|
862 |
|
|
863 H5Aclose (a_id); |
|
|
864 } |
|
|
865 else |
|
|
866 retval = false; |
|
4988
|
867 } |
|
|
868 |
|
|
869 H5Sclose (space_hid); |
|
|
870 H5Tclose (type_hid); |
|
|
871 H5Gclose (group_hid); |
|
|
872 |
|
|
873 return retval; |
|
|
874 } |
|
|
875 |
|
|
876 bool |
|
|
877 octave_fcn_handle::load_hdf5 (hid_t loc_id, const char *name, |
|
6625
|
878 bool have_h5giterate_bug) |
|
4988
|
879 { |
|
|
880 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; |
|
|
881 hsize_t rank; |
|
|
882 int slen; |
|
6625
|
883 bool success = true; |
|
4988
|
884 |
|
|
885 group_hid = H5Gopen (loc_id, name); |
|
|
886 if (group_hid < 0 ) return false; |
|
|
887 |
|
|
888 data_hid = H5Dopen (group_hid, "nm"); |
|
|
889 |
|
|
890 if (data_hid < 0) |
|
|
891 { |
|
|
892 H5Gclose (group_hid); |
|
|
893 return false; |
|
|
894 } |
|
|
895 |
|
|
896 type_hid = H5Dget_type (data_hid); |
|
|
897 type_class_hid = H5Tget_class (type_hid); |
|
|
898 |
|
|
899 if (type_class_hid != H5T_STRING) |
|
|
900 { |
|
|
901 H5Tclose (type_hid); |
|
|
902 H5Dclose (data_hid); |
|
|
903 H5Gclose (group_hid); |
|
|
904 return false; |
|
|
905 } |
|
|
906 |
|
|
907 space_hid = H5Dget_space (data_hid); |
|
|
908 rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
909 |
|
|
910 if (rank != 0) |
|
|
911 { |
|
|
912 H5Sclose (space_hid); |
|
|
913 H5Tclose (type_hid); |
|
|
914 H5Dclose (data_hid); |
|
|
915 H5Gclose (group_hid); |
|
|
916 return false; |
|
|
917 } |
|
|
918 |
|
|
919 slen = H5Tget_size (type_hid); |
|
|
920 if (slen < 0) |
|
|
921 { |
|
|
922 H5Sclose (space_hid); |
|
|
923 H5Tclose (type_hid); |
|
|
924 H5Dclose (data_hid); |
|
|
925 H5Gclose (group_hid); |
|
|
926 return false; |
|
|
927 } |
|
|
928 |
|
|
929 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); |
|
|
930 |
|
|
931 // create datatype for (null-terminated) string to read into: |
|
|
932 st_id = H5Tcopy (H5T_C_S1); |
|
|
933 H5Tset_size (st_id, slen); |
|
|
934 |
|
5760
|
935 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
|
4988
|
936 { |
|
|
937 H5Sclose (space_hid); |
|
|
938 H5Tclose (type_hid); |
|
|
939 H5Gclose (group_hid); |
|
|
940 return false; |
|
|
941 } |
|
|
942 H5Tclose (st_id); |
|
|
943 H5Dclose (data_hid); |
|
|
944 nm = nm_tmp; |
|
|
945 |
|
|
946 if (nm == "@<anonymous>") |
|
|
947 { |
|
|
948 data_hid = H5Dopen (group_hid, "fcn"); |
|
|
949 |
|
|
950 if (data_hid < 0) |
|
|
951 { |
|
|
952 H5Gclose (group_hid); |
|
|
953 return false; |
|
|
954 } |
|
|
955 |
|
|
956 type_hid = H5Dget_type (data_hid); |
|
|
957 type_class_hid = H5Tget_class (type_hid); |
|
|
958 |
|
|
959 if (type_class_hid != H5T_STRING) |
|
|
960 { |
|
|
961 H5Tclose (type_hid); |
|
|
962 H5Dclose (data_hid); |
|
|
963 H5Gclose (group_hid); |
|
|
964 return false; |
|
|
965 } |
|
|
966 |
|
|
967 space_hid = H5Dget_space (data_hid); |
|
|
968 rank = H5Sget_simple_extent_ndims (space_hid); |
|
|
969 |
|
|
970 if (rank != 0) |
|
|
971 { |
|
|
972 H5Sclose (space_hid); |
|
|
973 H5Tclose (type_hid); |
|
|
974 H5Dclose (data_hid); |
|
|
975 H5Gclose (group_hid); |
|
|
976 return false; |
|
|
977 } |
|
|
978 |
|
|
979 slen = H5Tget_size (type_hid); |
|
|
980 if (slen < 0) |
|
|
981 { |
|
|
982 H5Sclose (space_hid); |
|
|
983 H5Tclose (type_hid); |
|
|
984 H5Dclose (data_hid); |
|
|
985 H5Gclose (group_hid); |
|
|
986 return false; |
|
|
987 } |
|
|
988 |
|
|
989 OCTAVE_LOCAL_BUFFER (char, fcn_tmp, slen); |
|
|
990 |
|
|
991 // create datatype for (null-terminated) string to read into: |
|
|
992 st_id = H5Tcopy (H5T_C_S1); |
|
|
993 H5Tset_size (st_id, slen); |
|
|
994 |
|
5760
|
995 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, fcn_tmp) < 0) |
|
4988
|
996 { |
|
|
997 H5Sclose (space_hid); |
|
|
998 H5Tclose (type_hid); |
|
|
999 H5Gclose (group_hid); |
|
|
1000 return false; |
|
|
1001 } |
|
|
1002 H5Dclose (data_hid); |
|
6625
|
1003 |
|
|
1004 symbol_table *local_sym_tab = 0; |
|
|
1005 octave_idx_type len = 0; |
|
|
1006 |
|
|
1007 // we have to pull some shenanigans here to make sure |
|
|
1008 // HDF5 doesn't print out all sorts of error messages if we |
|
|
1009 // call H5Aopen for a non-existing attribute |
|
|
1010 |
|
|
1011 H5E_auto_t err_func; |
|
|
1012 void *err_func_data; |
|
4988
|
1013 |
|
6625
|
1014 // turn off error reporting temporarily, but save the error |
|
|
1015 // reporting function: |
|
|
1016 H5Eget_auto (&err_func, &err_func_data); |
|
|
1017 H5Eset_auto (0, 0); |
|
|
1018 |
|
|
1019 hid_t attr_id = H5Aopen_name (group_hid, "SYMBOL_TABLE"); |
|
4988
|
1020 |
|
6625
|
1021 if (attr_id >= 0) |
|
|
1022 { |
|
|
1023 if (H5Aread (attr_id, H5T_NATIVE_IDX, &len) < 0) |
|
|
1024 success = false; |
|
|
1025 |
|
|
1026 H5Aclose (attr_id); |
|
|
1027 } |
|
|
1028 |
|
|
1029 // restore error reporting: |
|
|
1030 H5Eset_auto (err_func, err_func_data); |
|
|
1031 |
|
|
1032 if (len > 0 && success) |
|
4989
|
1033 { |
|
6625
|
1034 octave_idx_type nlen = len; |
|
|
1035 if (nlen % 2) |
|
|
1036 nlen++; |
|
|
1037 |
|
|
1038 local_sym_tab = new symbol_table (nlen, "LOCAL"); |
|
|
1039 |
|
|
1040 #ifdef HAVE_H5GGET_NUM_OBJS |
|
|
1041 hsize_t num_obj = 0; |
|
|
1042 data_hid = H5Gopen (group_hid, "symbol table"); |
|
|
1043 H5Gget_num_objs (data_hid, &num_obj); |
|
|
1044 H5Gclose (data_hid); |
|
|
1045 |
|
|
1046 if (num_obj != static_cast<hsize_t>(len)) |
|
|
1047 { |
|
|
1048 error ("load: failed to load anonymous function handle"); |
|
|
1049 success = false; |
|
|
1050 } |
|
|
1051 #endif |
|
|
1052 |
|
|
1053 if (! error_state) |
|
|
1054 { |
|
|
1055 hdf5_callback_data dsub; |
|
|
1056 int current_item = 0; |
|
|
1057 for (octave_idx_type i = 0; i < len; i++) |
|
|
1058 { |
|
|
1059 if (H5Giterate (group_hid, "symbol table", ¤t_item, |
|
|
1060 hdf5_read_next_data, &dsub) <= 0) |
|
|
1061 { |
|
|
1062 error ("load: failed to load anonymous function handle"); |
|
|
1063 success = false; |
|
|
1064 break; |
|
|
1065 } |
|
|
1066 |
|
|
1067 if (have_h5giterate_bug) |
|
|
1068 current_item++; // H5Giterate returns last index processed |
|
|
1069 |
|
|
1070 symbol_record *sr = local_sym_tab->lookup (dsub.name, true); |
|
|
1071 |
|
|
1072 if (sr) |
|
|
1073 sr->define (dsub.tc); |
|
|
1074 else |
|
|
1075 { |
|
|
1076 error ("load: failed to load anonymous function handle"); |
|
|
1077 success = false; |
|
|
1078 break; |
|
|
1079 } |
|
|
1080 } |
|
|
1081 } |
|
|
1082 } |
|
|
1083 |
|
|
1084 H5Tclose (st_id); |
|
|
1085 H5Gclose (group_hid); |
|
|
1086 |
|
|
1087 if (success) |
|
|
1088 { |
|
|
1089 unwind_protect::begin_frame ("anon_hdf5_load"); |
|
|
1090 unwind_protect_ptr (curr_sym_tab); |
|
|
1091 |
|
|
1092 if (local_sym_tab) |
|
|
1093 curr_sym_tab = local_sym_tab; |
|
|
1094 |
|
|
1095 int parse_status; |
|
|
1096 octave_value anon_fcn_handle = |
|
|
1097 eval_string (fcn_tmp, true, parse_status); |
|
|
1098 |
|
|
1099 if (parse_status == 0) |
|
|
1100 { |
|
|
1101 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); |
|
|
1102 if (fh) |
|
|
1103 fcn = fh->fcn; |
|
|
1104 else |
|
|
1105 success = false; |
|
|
1106 } |
|
4989
|
1107 else |
|
6625
|
1108 success = false; |
|
|
1109 |
|
|
1110 unwind_protect::run_frame ("anon_hdf5_load"); |
|
4989
|
1111 } |
|
6625
|
1112 |
|
|
1113 if (local_sym_tab) |
|
|
1114 delete local_sym_tab; |
|
4988
|
1115 } |
|
|
1116 else |
|
|
1117 { |
|
6625
|
1118 std::string octaveroot; |
|
|
1119 std::string fpath; |
|
|
1120 |
|
|
1121 // we have to pull some shenanigans here to make sure |
|
|
1122 // HDF5 doesn't print out all sorts of error messages if we |
|
|
1123 // call H5Aopen for a non-existing attribute |
|
|
1124 |
|
|
1125 H5E_auto_t err_func; |
|
|
1126 void *err_func_data; |
|
|
1127 |
|
|
1128 // turn off error reporting temporarily, but save the error |
|
|
1129 // reporting function: |
|
|
1130 H5Eget_auto (&err_func, &err_func_data); |
|
|
1131 H5Eset_auto (0, 0); |
|
|
1132 |
|
|
1133 hid_t attr_id = H5Aopen_name (group_hid, "OCTAVEROOT"); |
|
|
1134 if (attr_id >= 0) |
|
6225
|
1135 { |
|
6625
|
1136 type_hid = H5Aget_type (attr_id); |
|
|
1137 type_class_hid = H5Tget_class (type_hid); |
|
|
1138 |
|
|
1139 if (type_class_hid != H5T_STRING) |
|
|
1140 success = false; |
|
|
1141 else |
|
|
1142 { |
|
|
1143 slen = H5Tget_size (type_hid); |
|
|
1144 st_id = H5Tcopy (H5T_C_S1); |
|
|
1145 H5Tset_size (st_id, slen); |
|
|
1146 OCTAVE_LOCAL_BUFFER (char, root_tmp, slen); |
|
|
1147 |
|
|
1148 if (H5Aread (attr_id, st_id, root_tmp) < 0) |
|
|
1149 success = false; |
|
|
1150 else |
|
|
1151 octaveroot = root_tmp; |
|
|
1152 } |
|
|
1153 |
|
|
1154 H5Aclose (attr_id); |
|
6225
|
1155 } |
|
6625
|
1156 |
|
|
1157 attr_id = H5Aopen_name (group_hid, "FILE"); |
|
|
1158 if (attr_id >= 0) |
|
|
1159 { |
|
|
1160 type_hid = H5Aget_type (attr_id); |
|
|
1161 type_class_hid = H5Tget_class (type_hid); |
|
|
1162 |
|
|
1163 if (type_class_hid != H5T_STRING) |
|
|
1164 success = false; |
|
|
1165 else |
|
|
1166 { |
|
|
1167 slen = H5Tget_size (type_hid); |
|
|
1168 st_id = H5Tcopy (H5T_C_S1); |
|
|
1169 H5Tset_size (st_id, slen); |
|
|
1170 OCTAVE_LOCAL_BUFFER (char, path_tmp, slen); |
|
|
1171 |
|
|
1172 if (H5Aread (attr_id, st_id, path_tmp) < 0) |
|
|
1173 success = false; |
|
|
1174 else |
|
|
1175 fpath = path_tmp; |
|
|
1176 } |
|
|
1177 |
|
|
1178 H5Aclose (attr_id); |
|
|
1179 } |
|
|
1180 |
|
|
1181 // restore error reporting: |
|
|
1182 H5Eset_auto (err_func, err_func_data); |
|
|
1183 |
|
|
1184 success = (success ? set_fcn (octaveroot, fpath) : success); |
|
4988
|
1185 } |
|
|
1186 |
|
6625
|
1187 return success; |
|
4988
|
1188 } |
|
6625
|
1189 |
|
|
1190 /* |
|
|
1191 |
|
|
1192 %!test |
|
|
1193 %! if (!isempty(findstr(octave_config_info ("DEFS"),"HAVE_HDF5"))) |
|
|
1194 %! a = 2; |
|
|
1195 %! f = @(x) a + x; |
|
|
1196 %! g = @(x) 2 * x; |
|
|
1197 %! h = @log2; |
|
|
1198 %! f2 = f; |
|
|
1199 %! g2 = g; |
|
|
1200 %! h2 = h; |
|
|
1201 %! nm = tmpnam(); |
|
|
1202 %! unwind_protect |
|
|
1203 %! save ("-hdf5", nm, "f2", "g2", "h2"); |
|
|
1204 %! clear f2 g2 h2 |
|
|
1205 %! load (nm); |
|
|
1206 %! assert (f(2),f2(2)); |
|
|
1207 %! assert (g(2),g2(2)); |
|
|
1208 %! assert (g(3),g2(3)); |
|
|
1209 %! unlink (nm); |
|
|
1210 %! save ("-hdf5", nm, "f2", "g2", "h2"); |
|
|
1211 %! unwind_protect_cleanup |
|
|
1212 %! unlink (nm); |
|
|
1213 %! end_unwind_protect |
|
|
1214 %! endif |
|
|
1215 |
|
|
1216 */ |
|
4988
|
1217 #endif |
|
|
1218 |
|
4343
|
1219 void |
|
|
1220 octave_fcn_handle::print (std::ostream& os, bool pr_as_read_syntax) const |
|
|
1221 { |
|
|
1222 print_raw (os, pr_as_read_syntax); |
|
|
1223 newline (os); |
|
|
1224 } |
|
|
1225 |
|
|
1226 void |
|
|
1227 octave_fcn_handle::print_raw (std::ostream& os, bool pr_as_read_syntax) const |
|
|
1228 { |
|
4980
|
1229 bool printed = false; |
|
|
1230 |
|
|
1231 if (nm == "@<anonymous>") |
|
|
1232 { |
|
|
1233 tree_print_code tpc (os); |
|
|
1234 |
|
4989
|
1235 // FCN is const because this member function is, so we can't |
|
4980
|
1236 // use it to call user_function_value, so we make a copy first. |
|
|
1237 |
|
|
1238 octave_value ftmp = fcn; |
|
|
1239 |
|
|
1240 octave_user_function *f = ftmp.user_function_value (); |
|
|
1241 |
|
|
1242 if (f) |
|
|
1243 { |
|
|
1244 tree_parameter_list *p = f->parameter_list (); |
|
|
1245 |
|
|
1246 os << "@("; |
|
|
1247 |
|
|
1248 if (p) |
|
|
1249 p->accept (tpc); |
|
|
1250 |
|
|
1251 os << ") "; |
|
|
1252 |
|
|
1253 tree_statement_list *b = f->body (); |
|
|
1254 |
|
|
1255 if (b) |
|
|
1256 { |
|
|
1257 assert (b->length () == 1); |
|
|
1258 |
|
|
1259 tree_statement *s = b->front (); |
|
|
1260 |
|
|
1261 if (s) |
|
|
1262 { |
|
|
1263 if (s->is_expression ()) |
|
|
1264 { |
|
|
1265 tree_expression *e = s->expression (); |
|
|
1266 |
|
|
1267 if (e) |
|
6657
|
1268 e->accept (tpc); |
|
4980
|
1269 } |
|
|
1270 else |
|
|
1271 { |
|
|
1272 tree_command *c = s->command (); |
|
|
1273 |
|
|
1274 tpc.suspend_newline (); |
|
|
1275 c->accept (tpc); |
|
|
1276 tpc.resume_newline (); |
|
|
1277 } |
|
|
1278 } |
|
|
1279 } |
|
|
1280 |
|
|
1281 printed = true; |
|
|
1282 } |
|
|
1283 } |
|
|
1284 |
|
|
1285 if (! printed) |
|
|
1286 octave_print_internal (os, nm, pr_as_read_syntax, |
|
|
1287 current_print_indent_level ()); |
|
4343
|
1288 } |
|
|
1289 |
|
|
1290 octave_value |
|
|
1291 make_fcn_handle (const std::string& nm) |
|
|
1292 { |
|
|
1293 octave_value retval; |
|
|
1294 |
|
6323
|
1295 octave_function *fcn = octave_call_stack::current (); |
|
|
1296 |
|
6481
|
1297 std::string parent_name = fcn ? fcn->name () : std::string (); |
|
|
1298 |
|
|
1299 if (! parent_name.empty ()) |
|
|
1300 { |
|
|
1301 size_t pos = parent_name.find (':'); |
|
|
1302 |
|
|
1303 if (pos != NPOS) |
|
|
1304 parent_name = parent_name.substr (0, pos); |
|
|
1305 } |
|
|
1306 |
|
|
1307 octave_value f = lookup_function (nm, parent_name); |
|
4343
|
1308 |
|
4930
|
1309 if (f.is_function ()) |
|
|
1310 retval = octave_value (new octave_fcn_handle (f, nm)); |
|
4343
|
1311 else |
|
|
1312 error ("error creating function handle \"@%s\"", nm.c_str ()); |
|
|
1313 |
|
|
1314 return retval; |
|
|
1315 } |
|
|
1316 |
|
4933
|
1317 DEFUN (functions, args, , |
|
4343
|
1318 "-*- texinfo -*-\n\ |
|
4933
|
1319 @deftypefn {Built-in Function} {} functions (@var{fcn_handle})\n\ |
|
|
1320 Return a struct containing information about the function handle\n\ |
|
|
1321 @var{fcn_handle}.\n\ |
|
|
1322 @end deftypefn") |
|
4343
|
1323 { |
|
|
1324 octave_value retval; |
|
|
1325 |
|
4933
|
1326 if (args.length () == 1) |
|
4343
|
1327 { |
|
4933
|
1328 octave_fcn_handle *fh = args(0).fcn_handle_value (); |
|
4343
|
1329 |
|
|
1330 if (! error_state) |
|
|
1331 { |
|
4933
|
1332 octave_function *fcn = fh ? fh->function_value (true) : 0; |
|
4343
|
1333 |
|
4933
|
1334 if (fcn) |
|
4930
|
1335 { |
|
4933
|
1336 Octave_map m; |
|
4649
|
1337 |
|
4933
|
1338 std::string fh_nm = fh->fcn_name (); |
|
|
1339 |
|
6625
|
1340 if (fh_nm == "@<anonymous>") |
|
|
1341 { |
|
|
1342 std::ostringstream buf; |
|
|
1343 fh->print_raw (buf); |
|
|
1344 m.assign ("function", buf.str ()); |
|
|
1345 |
|
|
1346 m.assign ("type", "anonymous"); |
|
|
1347 } |
|
|
1348 else |
|
|
1349 { |
|
|
1350 m.assign ("function", fh_nm); |
|
4343
|
1351 |
|
6625
|
1352 if (fcn->is_nested_function ()) |
|
|
1353 { |
|
|
1354 m.assign ("type", "subfunction"); |
|
|
1355 Cell parentage (dim_vector (1, 2)); |
|
|
1356 parentage.elem(0) = fh_nm; |
|
|
1357 parentage.elem(1) = fcn->parent_fcn_name (); |
|
|
1358 m.assign ("parentage", parentage); |
|
|
1359 } |
|
|
1360 else |
|
|
1361 m.assign ("type", "simple"); |
|
|
1362 } |
|
4933
|
1363 |
|
|
1364 std::string nm = fcn->fcn_file_name (); |
|
4343
|
1365 |
|
4933
|
1366 if (nm.empty ()) |
|
4935
|
1367 { |
|
|
1368 if (fh_nm == "@<anonymous>") |
|
6625
|
1369 { |
|
|
1370 m.assign ("file", ""); |
|
|
1371 |
|
|
1372 octave_user_function *fu = fh->user_function_value (); |
|
|
1373 Array <symbol_record *> vars = |
|
|
1374 fu->sym_tab ()->symbol_list (); |
|
|
1375 octave_idx_type varlen = vars.length (); |
|
|
1376 |
|
|
1377 // Exclude undefined values like __retval__ |
|
|
1378 for (int i = 0; i < vars.length (); i++) |
|
|
1379 { |
|
|
1380 if (! vars (i)->is_defined ()) |
|
|
1381 varlen--; |
|
|
1382 } |
|
|
1383 |
|
|
1384 if (varlen > 0) |
|
|
1385 { |
|
|
1386 Octave_map ws; |
|
|
1387 for (octave_idx_type i = 0; i < vars.length (); i++) |
|
|
1388 { |
|
|
1389 if (vars (i)->is_defined ()) |
|
|
1390 ws.assign (vars (i)->name (), |
|
|
1391 vars (i)->def ()); |
|
|
1392 } |
|
|
1393 |
|
|
1394 m.assign ("workspace", ws); |
|
|
1395 } |
|
|
1396 } |
|
5313
|
1397 else if (fcn->is_user_function ()) |
|
6625
|
1398 { |
|
|
1399 octave_user_function *fu = fh->user_function_value (); |
|
|
1400 m.assign ("file", fu->fcn_file_name ()); |
|
|
1401 } |
|
4935
|
1402 else |
|
6625
|
1403 m.assign ("file", ""); |
|
4935
|
1404 } |
|
4343
|
1405 else |
|
4933
|
1406 m.assign ("file", nm); |
|
|
1407 |
|
|
1408 retval = m; |
|
4343
|
1409 } |
|
|
1410 else |
|
4933
|
1411 error ("functions: invalid function handle object"); |
|
4343
|
1412 } |
|
|
1413 else |
|
4933
|
1414 error ("functions: argument must be a function handle object"); |
|
4343
|
1415 } |
|
|
1416 else |
|
5823
|
1417 print_usage (); |
|
4343
|
1418 |
|
|
1419 return retval; |
|
|
1420 } |
|
|
1421 |
|
4933
|
1422 DEFUN (func2str, args, , |
|
4343
|
1423 "-*- texinfo -*-\n\ |
|
4933
|
1424 @deftypefn {Built-in Function} {} func2str (@var{fcn_handle})\n\ |
|
|
1425 Return a string containing the name of the function referenced by\n\ |
|
|
1426 the function handle @var{fcn_handle}.\n\ |
|
|
1427 @end deftypefn") |
|
4343
|
1428 { |
|
|
1429 octave_value retval; |
|
|
1430 |
|
4933
|
1431 if (args.length () == 1) |
|
4930
|
1432 { |
|
4933
|
1433 octave_fcn_handle *fh = args(0).fcn_handle_value (); |
|
4930
|
1434 |
|
4933
|
1435 if (! error_state && fh) |
|
|
1436 { |
|
|
1437 std::string fh_nm = fh->fcn_name (); |
|
6416
|
1438 |
|
|
1439 if (fh_nm == "@<anonymous>") |
|
|
1440 { |
|
|
1441 std::ostringstream buf; |
|
|
1442 |
|
|
1443 fh->print_raw (buf); |
|
|
1444 |
|
|
1445 retval = buf.str (); |
|
|
1446 } |
|
|
1447 else |
|
|
1448 retval = fh_nm; |
|
4933
|
1449 } |
|
4343
|
1450 else |
|
4933
|
1451 error ("func2str: expecting valid function handle as first argument"); |
|
4343
|
1452 } |
|
|
1453 else |
|
5823
|
1454 print_usage (); |
|
4343
|
1455 |
|
|
1456 return retval; |
|
|
1457 } |
|
|
1458 |
|
4933
|
1459 DEFUN (str2func, args, , |
|
4343
|
1460 "-*- texinfo -*-\n\ |
|
4933
|
1461 @deftypefn {Built-in Function} {} str2func (@var{fcn_name})\n\ |
|
|
1462 Return a function handle constructed from the string @var{fcn_name}.\n\ |
|
|
1463 @end deftypefn") |
|
4343
|
1464 { |
|
|
1465 octave_value retval; |
|
|
1466 |
|
4933
|
1467 if (args.length () == 1) |
|
4343
|
1468 { |
|
4933
|
1469 std::string nm = args(0).string_value (); |
|
4343
|
1470 |
|
4933
|
1471 if (! error_state) |
|
|
1472 retval = make_fcn_handle (nm); |
|
4343
|
1473 else |
|
4933
|
1474 error ("str2func: expecting string as first argument"); |
|
4343
|
1475 } |
|
|
1476 else |
|
5823
|
1477 print_usage (); |
|
4343
|
1478 |
|
|
1479 return retval; |
|
|
1480 } |
|
|
1481 |
|
|
1482 /* |
|
|
1483 ;;; Local Variables: *** |
|
|
1484 ;;; mode: C++ *** |
|
|
1485 ;;; End: *** |
|
|
1486 */ |
