Mercurial > hg > octave-nkf
annotate src/ov-fcn-handle.cc @ 10250:2d47356a7a1a
use gnulib getcwd module
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 03 Feb 2010 03:07:06 -0500 |
| parents | cd96d29c5efa |
| children | a4fb4675accb |
| rev | line source |
|---|---|
| 4343 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 John W. Eaton |
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4 Copyright (C) 2009 VZLU Prague, a.s. |
| 4343 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 4343 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 4343 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 28 #include <iostream> | |
| 5765 | 29 #include <sstream> |
| 5164 | 30 #include <vector> |
| 4343 | 31 |
| 7336 | 32 #include "file-ops.h" |
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33 #include "oct-locbuf.h" |
| 7336 | 34 |
| 4343 | 35 #include "defun.h" |
| 4654 | 36 #include "error.h" |
| 37 #include "gripes.h" | |
| 5663 | 38 #include "input.h" |
| 4343 | 39 #include "oct-map.h" |
| 40 #include "ov-base.h" | |
| 41 #include "ov-fcn-handle.h" | |
| 4980 | 42 #include "ov-usr-fcn.h" |
| 4343 | 43 #include "pr-output.h" |
| 4980 | 44 #include "pt-pr-code.h" |
| 45 #include "pt-misc.h" | |
| 46 #include "pt-stmt.h" | |
| 47 #include "pt-cmd.h" | |
| 48 #include "pt-exp.h" | |
| 49 #include "pt-assign.h" | |
| 4343 | 50 #include "variables.h" |
| 4988 | 51 #include "parse.h" |
| 6625 | 52 #include "unwind-prot.h" |
| 53 #include "defaults.h" | |
| 54 #include "file-stat.h" | |
| 55 #include "load-path.h" | |
| 56 #include "oct-env.h" | |
| 4988 | 57 |
| 58 #include "byte-swap.h" | |
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59 #include "ls-ascii-helper.h" |
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60 #include "ls-hdf5.h" |
| 4988 | 61 #include "ls-oct-ascii.h" |
| 6625 | 62 #include "ls-oct-binary.h" |
| 4988 | 63 #include "ls-utils.h" |
| 4343 | 64 |
| 65 DEFINE_OCTAVE_ALLOCATOR (octave_fcn_handle); | |
| 66 | |
| 4612 | 67 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_fcn_handle, |
| 68 "function handle", | |
| 5946 | 69 "function_handle"); |
| 4343 | 70 |
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71 octave_fcn_handle::octave_fcn_handle (const octave_value& f, |
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72 const std::string& n) |
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73 : fcn (f), nm (n) |
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74 { |
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75 octave_user_function *uf = fcn.user_function_value (true); |
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76 |
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77 if (uf) |
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78 symbol_table::cache_name (uf->scope (), nm); |
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79 } |
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80 |
| 4924 | 81 octave_value_list |
| 82 octave_fcn_handle::subsref (const std::string& type, | |
| 83 const std::list<octave_value_list>& idx, | |
| 84 int nargout) | |
| 85 { | |
| 86 octave_value_list retval; | |
| 87 | |
| 88 switch (type[0]) | |
| 89 { | |
| 90 case '(': | |
| 91 { | |
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92 int tmp_nargout = (type.length () > 1 && nargout == 0) ? 1 : nargout; |
| 5663 | 93 |
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94 retval = do_multi_index_op (tmp_nargout, idx.front ()); |
| 4924 | 95 } |
| 96 break; | |
| 97 | |
| 98 case '{': | |
| 99 case '.': | |
| 100 { | |
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101 std::string tnm = type_name (); |
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102 error ("%s cannot be indexed with %c", tnm.c_str (), type[0]); |
| 4924 | 103 } |
| 104 break; | |
| 105 | |
| 106 default: | |
| 107 panic_impossible (); | |
| 108 } | |
| 109 | |
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110 // FIXME -- perhaps there should be an |
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111 // octave_value_list::next_subsref member function? See also |
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112 // octave_builtin::subsref. |
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113 |
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114 if (idx.size () > 1) |
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115 retval = retval(0).next_subsref (nargout, type, idx); |
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116 |
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117 return retval; |
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118 } |
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119 |
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120 octave_value_list |
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121 octave_fcn_handle::do_multi_index_op (int nargout, |
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122 const octave_value_list& args) |
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123 { |
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124 octave_value_list retval; |
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125 |
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126 if (fcn.is_defined ()) |
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127 out_of_date_check (fcn, std::string (), false); |
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128 |
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129 if (disp.get () && ! args.empty ()) |
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130 { |
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131 // Possibly overloaded function. |
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132 octave_value ovfcn = fcn; |
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133 |
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134 // No need to compute built-in class dispatch if we don't have builtin class overloads. |
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135 bool builtin_class = ! disp->empty (); |
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136 // Get dynamic (class) dispatch type. |
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137 std::string dt = get_dispatch_type (args, builtin_class); |
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138 |
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139 if (! dt.empty ()) |
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140 { |
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141 str_ov_map::iterator pos = disp->find (dt); |
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142 if (pos != disp->end ()) |
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143 { |
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144 out_of_date_check (pos->second, dt, false); |
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145 ovfcn = pos->second; |
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146 } |
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147 else if (! builtin_class) |
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148 { |
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149 octave_value method = symbol_table::find_method (nm, dt); |
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150 if (method.is_defined ()) |
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151 (*disp)[dt] = ovfcn = method; |
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152 } |
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153 } |
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154 |
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155 if (ovfcn.is_defined ()) |
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156 retval = ovfcn.do_multi_index_op (nargout, args); |
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157 else if (fcn.is_undefined ()) |
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158 { |
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159 if (dt.empty ()) |
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160 dt = args(0).class_name (); |
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161 |
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162 error ("no %s method to handle class %s", nm.c_str (), dt.c_str ()); |
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163 } |
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164 else |
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165 error ("invalid function handle"); |
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166 } |
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167 else |
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168 { |
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169 // Non-overloaded function (anonymous, subfunction, private function). |
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170 if (fcn.is_defined ()) |
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171 retval = fcn.do_multi_index_op (nargout, args); |
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172 else |
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173 error ("invalid function handle"); |
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174 } |
| 4924 | 175 |
| 176 return retval; | |
| 177 } | |
| 178 | |
| 4988 | 179 bool |
| 6625 | 180 octave_fcn_handle::set_fcn (const std::string &octaveroot, |
| 181 const std::string& fpath) | |
| 4988 | 182 { |
| 6625 | 183 bool success = true; |
| 184 | |
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185 if (octaveroot.length () != 0 |
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186 && fpath.length () >= octaveroot.length () |
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187 && fpath.substr (0, octaveroot.length ()) == octaveroot |
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188 && OCTAVE_EXEC_PREFIX != octaveroot) |
| 6625 | 189 { |
| 190 // First check if just replacing matlabroot is enough | |
| 191 std::string str = OCTAVE_EXEC_PREFIX + | |
| 192 fpath.substr (octaveroot.length ()); | |
| 193 file_stat fs (str); | |
| 194 | |
| 195 if (fs.exists ()) | |
| 196 { | |
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197 size_t xpos = str.find_last_of (file_ops::dir_sep_chars ()); |
| 6625 | 198 |
| 7336 | 199 std::string dir_name = str.substr (0, xpos); |
| 6625 | 200 |
| 7336 | 201 octave_function *xfcn |
| 202 = load_fcn_from_file (str, dir_name, "", nm); | |
| 6625 | 203 |
| 7336 | 204 if (xfcn) |
| 205 { | |
| 206 octave_value tmp (xfcn); | |
| 6625 | 207 |
| 7336 | 208 fcn = octave_value (new octave_fcn_handle (tmp, nm)); |
| 6625 | 209 } |
| 210 else | |
| 211 { | |
| 212 error ("function handle points to non-existent function"); | |
| 213 success = false; | |
| 214 } | |
| 215 } | |
| 216 else | |
| 217 { | |
| 218 // Next just search for it anywhere in the system path | |
| 219 string_vector names(3); | |
| 220 names(0) = nm + ".oct"; | |
| 221 names(1) = nm + ".mex"; | |
| 222 names(2) = nm + ".m"; | |
| 223 | |
| 6626 | 224 dir_path p (load_path::system_path ()); |
| 6625 | 225 |
| 10250 | 226 str = octave_env::make_absolute (p.find_first_of (names)); |
| 6625 | 227 |
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228 size_t xpos = str.find_last_of (file_ops::dir_sep_chars ()); |
| 6625 | 229 |
| 7336 | 230 std::string dir_name = str.substr (0, xpos); |
| 231 | |
| 232 octave_function *xfcn = load_fcn_from_file (str, dir_name, "", nm); | |
| 4989 | 233 |
| 7336 | 234 if (xfcn) |
| 235 { | |
| 236 octave_value tmp (xfcn); | |
| 6625 | 237 |
| 7336 | 238 fcn = octave_value (new octave_fcn_handle (tmp, nm)); |
| 6625 | 239 } |
| 240 else | |
| 241 { | |
| 242 error ("function handle points to non-existent function"); | |
| 243 success = false; | |
| 244 } | |
| 245 } | |
| 246 } | |
| 247 else | |
| 248 { | |
| 249 if (fpath.length () > 0) | |
| 250 { | |
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251 size_t xpos = fpath.find_last_of (file_ops::dir_sep_chars ()); |
| 6625 | 252 |
| 7336 | 253 std::string dir_name = fpath.substr (0, xpos); |
| 254 | |
| 255 octave_function *xfcn = load_fcn_from_file (fpath, dir_name, "", nm); | |
| 6625 | 256 |
| 7336 | 257 if (xfcn) |
| 258 { | |
| 259 octave_value tmp (xfcn); | |
| 6625 | 260 |
| 7336 | 261 fcn = octave_value (new octave_fcn_handle (tmp, nm)); |
| 6625 | 262 } |
| 263 else | |
| 264 { | |
| 265 error ("function handle points to non-existent function"); | |
| 266 success = false; | |
| 267 } | |
| 268 } | |
| 269 else | |
| 270 { | |
| 7336 | 271 fcn = symbol_table::find_function (nm); |
| 272 | |
| 6625 | 273 if (! fcn.is_function ()) |
| 274 { | |
| 275 error ("function handle points to non-existent function"); | |
| 276 success = false; | |
| 277 } | |
| 278 } | |
| 279 } | |
| 280 | |
| 281 return success; | |
| 282 } | |
| 283 | |
| 284 bool | |
| 6974 | 285 octave_fcn_handle::save_ascii (std::ostream& os) |
| 6625 | 286 { |
| 4988 | 287 if (nm == "@<anonymous>") |
| 288 { | |
| 6625 | 289 os << nm << "\n"; |
| 290 | |
| 4989 | 291 print_raw (os, true); |
| 292 os << "\n"; | |
| 6625 | 293 |
| 7336 | 294 if (fcn.is_undefined ()) |
| 6625 | 295 return false; |
| 296 | |
| 297 octave_user_function *f = fcn.user_function_value (); | |
| 298 | |
| 7336 | 299 std::list<symbol_table::symbol_record> vars |
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300 = symbol_table::all_variables (f->scope (), 0); |
| 6625 | 301 |
| 7336 | 302 size_t varlen = vars.size (); |
| 6625 | 303 |
| 304 if (varlen > 0) | |
| 305 { | |
| 306 os << "# length: " << varlen << "\n"; | |
| 307 | |
| 7336 | 308 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
| 309 p != vars.end (); p++) | |
| 6625 | 310 { |
| 7336 | 311 if (! save_ascii_data (os, p->varval (), p->name (), false, 0)) |
| 6625 | 312 return os; |
| 313 } | |
| 314 } | |
| 315 } | |
| 316 else | |
| 317 { | |
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318 octave_function *f = function_value (); |
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319 std::string fnm = f ? f->fcn_file_name () : std::string (); |
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320 |
| 6625 | 321 os << "# octaveroot: " << OCTAVE_EXEC_PREFIX << "\n"; |
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322 if (! fnm.empty ()) |
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323 os << "# path: " << fnm << "\n"; |
| 6625 | 324 os << nm << "\n"; |
| 4988 | 325 } |
| 326 | |
| 327 return true; | |
| 328 } | |
| 329 | |
| 330 bool | |
| 331 octave_fcn_handle::load_ascii (std::istream& is) | |
| 332 { | |
| 6625 | 333 bool success = true; |
| 334 | |
| 335 std::streampos pos = is.tellg (); | |
| 336 std::string octaveroot = extract_keyword (is, "octaveroot", true); | |
| 337 if (octaveroot.length() == 0) | |
| 338 { | |
| 339 is.seekg (pos); | |
| 340 is.clear (); | |
| 341 } | |
| 342 pos = is.tellg (); | |
| 343 std::string fpath = extract_keyword (is, "path", true); | |
| 344 if (fpath.length() == 0) | |
| 345 { | |
| 346 is.seekg (pos); | |
| 347 is.clear (); | |
| 348 } | |
| 349 | |
| 4988 | 350 is >> nm; |
| 4989 | 351 |
| 4988 | 352 if (nm == "@<anonymous>") |
| 353 { | |
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354 skip_preceeding_newline (is); |
| 4988 | 355 |
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356 std::string buf; |
| 4988 | 357 |
| 358 if (is) | |
| 359 { | |
| 360 | |
| 361 // Get a line of text whitespace characters included, leaving | |
| 4989 | 362 // newline in the stream. |
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363 buf = read_until_newline (is, true); |
| 4989 | 364 |
| 4988 | 365 } |
| 366 | |
| 6625 | 367 pos = is.tellg (); |
| 7336 | 368 |
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369 unwind_protect_safe frame; |
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370 |
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371 // Set up temporary scope to use for evaluating the text that |
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372 // defines the anonymous function. |
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373 |
| 7336 | 374 symbol_table::scope_id local_scope = symbol_table::alloc_scope (); |
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375 frame.add_fcn (symbol_table::erase_scope, local_scope); |
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376 |
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377 symbol_table::set_scope (local_scope); |
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378 |
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379 octave_call_stack::push (local_scope, 0); |
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380 frame.add_fcn (octave_call_stack::pop); |
| 4988 | 381 |
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382 octave_idx_type len = 0; |
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383 |
| 6625 | 384 if (extract_keyword (is, "length", len, true) && len >= 0) |
| 4989 | 385 { |
| 6625 | 386 if (len > 0) |
| 387 { | |
| 388 for (octave_idx_type i = 0; i < len; i++) | |
| 389 { | |
| 390 octave_value t2; | |
| 391 bool dummy; | |
| 392 | |
| 393 std::string name | |
| 394 = read_ascii_data (is, std::string (), dummy, t2, i); | |
| 395 | |
| 396 if (!is) | |
| 397 { | |
| 398 error ("load: failed to load anonymous function handle"); | |
| 399 break; | |
| 400 } | |
| 401 | |
| 7901 | 402 symbol_table::varref (name, local_scope, 0) = t2; |
| 6625 | 403 } |
| 404 } | |
| 4989 | 405 } |
| 406 else | |
| 6625 | 407 { |
| 408 is.seekg (pos); | |
| 409 is.clear (); | |
| 410 } | |
| 411 | |
| 412 if (is && success) | |
| 413 { | |
| 414 int parse_status; | |
| 415 octave_value anon_fcn_handle = | |
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416 eval_string (buf, true, parse_status); |
| 6625 | 417 |
| 418 if (parse_status == 0) | |
| 419 { | |
| 420 octave_fcn_handle *fh = | |
| 421 anon_fcn_handle.fcn_handle_value (); | |
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422 |
| 6625 | 423 if (fh) |
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424 { |
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425 fcn = fh->fcn; |
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426 |
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427 octave_user_function *uf = fcn.user_function_value (true); |
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428 |
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429 if (uf) |
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430 symbol_table::cache_name (uf->scope (), nm); |
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431 } |
| 6625 | 432 else |
| 433 success = false; | |
| 434 } | |
| 435 else | |
| 436 success = false; | |
| 437 } | |
| 438 else | |
| 439 success = false; | |
| 4988 | 440 } |
| 441 else | |
| 6625 | 442 success = set_fcn (octaveroot, fpath); |
| 4988 | 443 |
| 6625 | 444 return success; |
| 4988 | 445 } |
| 446 | |
| 447 bool | |
| 6625 | 448 octave_fcn_handle::save_binary (std::ostream& os, bool& save_as_floats) |
| 4988 | 449 { |
| 450 if (nm == "@<anonymous>") | |
| 451 { | |
| 6625 | 452 std::ostringstream nmbuf; |
| 453 | |
| 7336 | 454 if (fcn.is_undefined ()) |
| 6625 | 455 return false; |
| 456 | |
| 457 octave_user_function *f = fcn.user_function_value (); | |
| 458 | |
| 7336 | 459 std::list<symbol_table::symbol_record> vars |
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460 = symbol_table::all_variables (f->scope (), 0); |
| 6625 | 461 |
| 7336 | 462 size_t varlen = vars.size (); |
| 6625 | 463 |
| 464 if (varlen > 0) | |
| 465 nmbuf << nm << " " << varlen; | |
| 466 else | |
| 467 nmbuf << nm; | |
| 468 | |
| 469 std::string buf_str = nmbuf.str(); | |
| 470 int32_t tmp = buf_str.length (); | |
| 471 os.write (reinterpret_cast<char *> (&tmp), 4); | |
| 472 os.write (buf_str.c_str (), buf_str.length ()); | |
| 473 | |
| 5765 | 474 std::ostringstream buf; |
| 4988 | 475 print_raw (buf, true); |
| 5765 | 476 std::string stmp = buf.str (); |
| 4988 | 477 tmp = stmp.length (); |
| 5760 | 478 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4988 | 479 os.write (stmp.c_str (), stmp.length ()); |
| 6625 | 480 |
| 481 if (varlen > 0) | |
| 482 { | |
| 7336 | 483 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
| 484 p != vars.end (); p++) | |
| 6625 | 485 { |
| 7336 | 486 if (! save_binary_data (os, p->varval (), p->name (), |
| 6625 | 487 "", 0, save_as_floats)) |
| 488 return os; | |
| 489 } | |
| 490 } | |
| 491 } | |
| 492 else | |
| 493 { | |
| 494 std::ostringstream nmbuf; | |
| 495 | |
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496 octave_function *f = function_value (); |
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497 std::string fnm = f ? f->fcn_file_name () : std::string (); |
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498 |
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499 nmbuf << nm << "\n" << OCTAVE_EXEC_PREFIX << "\n" << fnm; |
| 6625 | 500 |
| 501 std::string buf_str = nmbuf.str (); | |
| 502 int32_t tmp = buf_str.length (); | |
| 503 os.write (reinterpret_cast<char *> (&tmp), 4); | |
| 504 os.write (buf_str.c_str (), buf_str.length ()); | |
| 4988 | 505 } |
| 7336 | 506 |
| 4988 | 507 return true; |
| 508 } | |
| 509 | |
| 510 bool | |
| 511 octave_fcn_handle::load_binary (std::istream& is, bool swap, | |
| 6625 | 512 oct_mach_info::float_format fmt) |
| 4988 | 513 { |
| 6625 | 514 bool success = true; |
| 7336 | 515 |
| 5828 | 516 int32_t tmp; |
| 5760 | 517 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4988 | 518 return false; |
| 519 if (swap) | |
| 520 swap_bytes<4> (&tmp); | |
| 521 | |
| 522 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1); | |
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523 is.get (ctmp1, tmp+1, 0); |
| 4988 | 524 nm = std::string (ctmp1); |
| 525 | |
| 526 if (! is) | |
| 527 return false; | |
| 528 | |
| 6625 | 529 if (nm.length() >= 12 && nm.substr (0, 12) == "@<anonymous>") |
| 4988 | 530 { |
| 6625 | 531 octave_idx_type len = 0; |
| 532 | |
| 533 if (nm.length() > 12) | |
| 534 { | |
| 535 std::istringstream nm_is (nm.substr(12)); | |
| 536 nm_is >> len; | |
| 537 nm = nm.substr(0,12); | |
| 538 } | |
| 539 | |
| 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, ctmp2, tmp+1); | |
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546 is.get (ctmp2, tmp+1, 0); |
| 4988 | 547 |
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548 unwind_protect_safe frame; |
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549 |
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550 // Set up temporary scope to use for evaluating the text that |
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551 // defines the anonymous function. |
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552 |
| 7336 | 553 symbol_table::scope_id local_scope = symbol_table::alloc_scope (); |
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554 frame.add_fcn (symbol_table::erase_scope, local_scope); |
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555 |
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556 symbol_table::set_scope (local_scope); |
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557 |
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558 octave_call_stack::push (local_scope, 0); |
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559 frame.add_fcn (octave_call_stack::pop); |
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560 |
| 6625 | 561 if (len > 0) |
| 4989 | 562 { |
| 6625 | 563 for (octave_idx_type i = 0; i < len; i++) |
| 564 { | |
| 565 octave_value t2; | |
| 566 bool dummy; | |
| 567 std::string doc; | |
| 568 | |
| 569 std::string name = | |
| 570 read_binary_data (is, swap, fmt, std::string (), | |
| 571 dummy, t2, doc); | |
| 572 | |
| 573 if (!is) | |
| 574 { | |
| 575 error ("load: failed to load anonymous function handle"); | |
| 576 break; | |
| 577 } | |
| 578 | |
| 7336 | 579 symbol_table::varref (name, local_scope) = t2; |
| 6625 | 580 } |
| 581 } | |
| 582 | |
| 583 if (is && success) | |
| 584 { | |
| 585 int parse_status; | |
| 586 octave_value anon_fcn_handle = | |
| 587 eval_string (ctmp2, true, parse_status); | |
| 588 | |
| 589 if (parse_status == 0) | |
| 590 { | |
| 591 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); | |
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592 |
| 6625 | 593 if (fh) |
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594 { |
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595 fcn = fh->fcn; |
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596 |
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597 octave_user_function *uf = fcn.user_function_value (true); |
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598 |
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|
599 if (uf) |
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|
600 symbol_table::cache_name (uf->scope (), nm); |
|
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|
601 } |
| 6625 | 602 else |
| 603 success = false; | |
| 604 } | |
| 4989 | 605 else |
| 6625 | 606 success = false; |
| 4989 | 607 } |
| 4988 | 608 } |
| 609 else | |
| 610 { | |
| 6625 | 611 std::string octaveroot; |
| 612 std::string fpath; | |
| 613 | |
| 8021 | 614 if (nm.find_first_of ("\n") != std::string::npos) |
| 6225 | 615 { |
| 6625 | 616 size_t pos1 = nm.find_first_of ("\n"); |
| 617 size_t pos2 = nm.find_first_of ("\n", pos1 + 1); | |
| 618 octaveroot = nm.substr (pos1 + 1, pos2 - pos1 - 1); | |
| 619 fpath = nm.substr (pos2 + 1); | |
| 620 nm = nm.substr (0, pos1); | |
| 6225 | 621 } |
| 6625 | 622 |
| 623 success = set_fcn (octaveroot, fpath); | |
| 624 } | |
| 625 | |
| 626 return success; | |
| 4988 | 627 } |
| 628 | |
| 629 #if defined (HAVE_HDF5) | |
| 630 bool | |
| 631 octave_fcn_handle::save_hdf5 (hid_t loc_id, const char *name, | |
| 6625 | 632 bool save_as_floats) |
| 4988 | 633 { |
| 7336 | 634 bool retval = true; |
| 635 | |
| 4988 | 636 hid_t group_hid = -1; |
|
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637 #if HAVE_HDF5_18 |
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638 group_hid = H5Gcreate (loc_id, name, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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639 #else |
| 4988 | 640 group_hid = H5Gcreate (loc_id, name, 0); |
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|
641 #endif |
| 7336 | 642 if (group_hid < 0) |
| 643 return false; | |
| 4988 | 644 |
| 645 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; | |
| 646 | |
| 647 // attach the type of the variable | |
| 648 type_hid = H5Tcopy (H5T_C_S1); | |
| 649 H5Tset_size (type_hid, nm.length () + 1); | |
| 650 if (type_hid < 0) | |
| 651 { | |
| 652 H5Gclose (group_hid); | |
| 653 return false; | |
| 654 } | |
| 655 | |
| 656 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); | |
| 657 hdims[0] = 0; | |
| 658 hdims[1] = 0; | |
| 5760 | 659 space_hid = H5Screate_simple (0 , hdims, 0); |
| 4988 | 660 if (space_hid < 0) |
| 661 { | |
| 662 H5Tclose (type_hid); | |
| 663 H5Gclose (group_hid); | |
| 664 return false; | |
| 665 } | |
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666 #if HAVE_HDF5_18 |
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667 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, |
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668 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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669 #else |
| 4988 | 670 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); |
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671 #endif |
| 4988 | 672 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 673 H5P_DEFAULT, nm.c_str ()) < 0) |
| 4988 | 674 { |
| 675 H5Sclose (space_hid); | |
| 676 H5Tclose (type_hid); | |
| 677 H5Gclose (group_hid); | |
| 678 return false; | |
| 679 } | |
| 680 H5Dclose (data_hid); | |
| 681 | |
| 682 if (nm == "@<anonymous>") | |
| 683 { | |
| 5765 | 684 std::ostringstream buf; |
| 4988 | 685 print_raw (buf, true); |
| 5765 | 686 std::string stmp = buf.str (); |
| 4988 | 687 |
| 688 // attach the type of the variable | |
| 689 H5Tset_size (type_hid, stmp.length () + 1); | |
| 690 if (type_hid < 0) | |
| 691 { | |
| 6695 | 692 H5Sclose (space_hid); |
| 4988 | 693 H5Gclose (group_hid); |
| 694 return false; | |
| 695 } | |
| 696 | |
|
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697 #if HAVE_HDF5_18 |
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698 data_hid = H5Dcreate (group_hid, "fcn", type_hid, space_hid, |
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699 H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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700 #else |
| 4988 | 701 data_hid = H5Dcreate (group_hid, "fcn", type_hid, space_hid, |
| 702 H5P_DEFAULT); | |
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703 #endif |
| 4988 | 704 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 705 H5P_DEFAULT, stmp.c_str ()) < 0) |
| 4988 | 706 { |
| 707 H5Sclose (space_hid); | |
| 708 H5Tclose (type_hid); | |
| 709 H5Gclose (group_hid); | |
| 710 return false; | |
| 711 } | |
| 712 | |
| 713 H5Dclose (data_hid); | |
| 6625 | 714 |
| 715 octave_user_function *f = fcn.user_function_value (); | |
| 716 | |
| 7336 | 717 std::list<symbol_table::symbol_record> vars |
|
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|
718 = symbol_table::all_variables (f->scope (), 0); |
| 7336 | 719 |
| 720 size_t varlen = vars.size (); | |
| 6625 | 721 |
| 722 if (varlen > 0) | |
| 723 { | |
| 724 hid_t as_id = H5Screate (H5S_SCALAR); | |
| 725 | |
| 726 if (as_id >= 0) | |
| 727 { | |
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728 #if HAVE_HDF5_18 |
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729 hid_t a_id = H5Acreate (group_hid, "SYMBOL_TABLE", |
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730 H5T_NATIVE_IDX, as_id, |
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731 H5P_DEFAULT, H5P_DEFAULT); |
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732 |
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|
733 #else |
| 6625 | 734 hid_t a_id = H5Acreate (group_hid, "SYMBOL_TABLE", |
| 735 H5T_NATIVE_IDX, as_id, H5P_DEFAULT); | |
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736 #endif |
| 6625 | 737 |
| 738 if (a_id >= 0) | |
| 739 { | |
| 740 retval = (H5Awrite (a_id, H5T_NATIVE_IDX, &varlen) >= 0); | |
| 741 | |
| 742 H5Aclose (a_id); | |
| 743 } | |
| 744 else | |
| 745 retval = false; | |
| 746 | |
| 747 H5Sclose (as_id); | |
| 748 } | |
| 749 else | |
| 750 retval = false; | |
|
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751 #if HAVE_HDF5_18 |
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|
752 data_hid = H5Gcreate (group_hid, "symbol table", H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT); |
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753 #else |
| 6625 | 754 data_hid = H5Gcreate (group_hid, "symbol table", 0); |
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|
755 #endif |
| 6625 | 756 if (data_hid < 0) |
| 757 { | |
| 758 H5Sclose (space_hid); | |
| 759 H5Tclose (type_hid); | |
| 760 H5Gclose (group_hid); | |
| 761 return false; | |
| 762 } | |
| 763 | |
| 7336 | 764 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
| 765 p != vars.end (); p++) | |
| 6625 | 766 { |
| 7336 | 767 if (! add_hdf5_data (data_hid, p->varval (), p->name (), |
| 6625 | 768 "", false, save_as_floats)) |
| 769 break; | |
| 770 } | |
| 771 H5Gclose (data_hid); | |
| 772 } | |
| 773 } | |
| 774 else | |
| 775 { | |
| 776 std::string octaveroot = OCTAVE_EXEC_PREFIX; | |
|
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777 |
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778 octave_function *f = function_value (); |
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779 std::string fpath = f ? f->fcn_file_name () : std::string (); |
| 6625 | 780 |
| 781 H5Sclose (space_hid); | |
| 782 hdims[0] = 1; | |
| 783 hdims[1] = octaveroot.length (); | |
| 784 space_hid = H5Screate_simple (0 , hdims, 0); | |
| 785 if (space_hid < 0) | |
| 786 { | |
| 787 H5Tclose (type_hid); | |
| 788 H5Gclose (group_hid); | |
| 789 return false; | |
| 790 } | |
| 791 | |
| 792 H5Tclose (type_hid); | |
| 793 type_hid = H5Tcopy (H5T_C_S1); | |
| 794 H5Tset_size (type_hid, octaveroot.length () + 1); | |
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795 #if HAVE_HDF5_18 |
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796 hid_t a_id = H5Acreate (group_hid, "OCTAVEROOT", |
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797 type_hid, space_hid, H5P_DEFAULT, H5P_DEFAULT); |
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798 #else |
| 6625 | 799 hid_t a_id = H5Acreate (group_hid, "OCTAVEROOT", |
| 800 type_hid, space_hid, H5P_DEFAULT); | |
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801 #endif |
| 6625 | 802 |
| 803 if (a_id >= 0) | |
| 804 { | |
| 805 retval = (H5Awrite (a_id, type_hid, octaveroot.c_str ()) >= 0); | |
| 806 | |
| 807 H5Aclose (a_id); | |
| 808 } | |
| 809 else | |
| 6695 | 810 { |
| 811 H5Sclose (space_hid); | |
| 812 H5Tclose (type_hid); | |
| 813 H5Gclose (group_hid); | |
| 814 return false; | |
| 815 } | |
| 6625 | 816 |
| 817 H5Sclose (space_hid); | |
| 818 hdims[0] = 1; | |
| 819 hdims[1] = fpath.length (); | |
| 820 space_hid = H5Screate_simple (0 , hdims, 0); | |
| 821 if (space_hid < 0) | |
| 822 { | |
| 823 H5Tclose (type_hid); | |
| 824 H5Gclose (group_hid); | |
| 825 return false; | |
| 826 } | |
| 827 | |
| 828 H5Tclose (type_hid); | |
| 829 type_hid = H5Tcopy (H5T_C_S1); | |
| 830 H5Tset_size (type_hid, fpath.length () + 1); | |
| 831 | |
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832 #if HAVE_HDF5_18 |
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833 a_id = H5Acreate (group_hid, "FILE", type_hid, space_hid, |
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834 H5P_DEFAULT, H5P_DEFAULT); |
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835 #else |
| 6625 | 836 a_id = H5Acreate (group_hid, "FILE", type_hid, space_hid, H5P_DEFAULT); |
|
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|
837 #endif |
| 6625 | 838 |
| 839 if (a_id >= 0) | |
| 840 { | |
| 841 retval = (H5Awrite (a_id, type_hid, fpath.c_str ()) >= 0); | |
| 842 | |
| 843 H5Aclose (a_id); | |
| 844 } | |
| 845 else | |
| 846 retval = false; | |
| 4988 | 847 } |
| 848 | |
| 849 H5Sclose (space_hid); | |
| 850 H5Tclose (type_hid); | |
| 851 H5Gclose (group_hid); | |
| 852 | |
| 853 return retval; | |
| 854 } | |
| 855 | |
| 856 bool | |
|
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857 octave_fcn_handle::load_hdf5 (hid_t loc_id, const char *name) |
| 4988 | 858 { |
| 7336 | 859 bool success = true; |
| 860 | |
| 4988 | 861 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; |
| 862 hsize_t rank; | |
| 863 int slen; | |
| 864 | |
|
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|
865 #if HAVE_HDF5_18 |
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866 group_hid = H5Gopen (loc_id, name, H5P_DEFAULT); |
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|
867 #else |
| 4988 | 868 group_hid = H5Gopen (loc_id, name); |
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|
869 #endif |
| 7336 | 870 if (group_hid < 0) |
| 871 return false; | |
| 4988 | 872 |
|
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873 #if HAVE_HDF5_18 |
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874 data_hid = H5Dopen (group_hid, "nm", H5P_DEFAULT); |
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875 #else |
| 4988 | 876 data_hid = H5Dopen (group_hid, "nm"); |
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|
877 #endif |
| 4988 | 878 |
| 879 if (data_hid < 0) | |
| 880 { | |
| 881 H5Gclose (group_hid); | |
| 882 return false; | |
| 883 } | |
| 884 | |
| 885 type_hid = H5Dget_type (data_hid); | |
| 886 type_class_hid = H5Tget_class (type_hid); | |
| 887 | |
| 888 if (type_class_hid != H5T_STRING) | |
| 889 { | |
| 890 H5Tclose (type_hid); | |
| 891 H5Dclose (data_hid); | |
| 892 H5Gclose (group_hid); | |
| 893 return false; | |
| 894 } | |
| 895 | |
| 896 space_hid = H5Dget_space (data_hid); | |
| 897 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 898 | |
| 899 if (rank != 0) | |
| 900 { | |
| 901 H5Sclose (space_hid); | |
| 902 H5Tclose (type_hid); | |
| 903 H5Dclose (data_hid); | |
| 904 H5Gclose (group_hid); | |
| 905 return false; | |
| 906 } | |
| 907 | |
| 908 slen = H5Tget_size (type_hid); | |
| 909 if (slen < 0) | |
| 910 { | |
| 911 H5Sclose (space_hid); | |
| 912 H5Tclose (type_hid); | |
| 913 H5Dclose (data_hid); | |
| 914 H5Gclose (group_hid); | |
| 915 return false; | |
| 916 } | |
| 917 | |
| 918 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); | |
| 919 | |
| 920 // create datatype for (null-terminated) string to read into: | |
| 921 st_id = H5Tcopy (H5T_C_S1); | |
| 922 H5Tset_size (st_id, slen); | |
| 923 | |
| 5760 | 924 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
| 4988 | 925 { |
| 6695 | 926 H5Tclose (st_id); |
| 4988 | 927 H5Sclose (space_hid); |
| 928 H5Tclose (type_hid); | |
| 6695 | 929 H5Dclose (data_hid); |
| 4988 | 930 H5Gclose (group_hid); |
| 931 return false; | |
| 932 } | |
| 933 H5Tclose (st_id); | |
| 934 H5Dclose (data_hid); | |
| 935 nm = nm_tmp; | |
| 936 | |
| 937 if (nm == "@<anonymous>") | |
| 938 { | |
|
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939 #if HAVE_HDF5_18 |
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940 data_hid = H5Dopen (group_hid, "fcn", H5P_DEFAULT); |
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941 #else |
| 4988 | 942 data_hid = H5Dopen (group_hid, "fcn"); |
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943 #endif |
| 4988 | 944 |
| 945 if (data_hid < 0) | |
| 946 { | |
| 6695 | 947 H5Sclose (space_hid); |
| 948 H5Tclose (type_hid); | |
| 4988 | 949 H5Gclose (group_hid); |
| 950 return false; | |
| 951 } | |
| 952 | |
| 6695 | 953 H5Tclose (type_hid); |
| 4988 | 954 type_hid = H5Dget_type (data_hid); |
| 955 type_class_hid = H5Tget_class (type_hid); | |
| 956 | |
| 957 if (type_class_hid != H5T_STRING) | |
| 958 { | |
| 6695 | 959 H5Sclose (space_hid); |
| 4988 | 960 H5Tclose (type_hid); |
| 961 H5Dclose (data_hid); | |
| 962 H5Gclose (group_hid); | |
| 963 return false; | |
| 964 } | |
| 965 | |
| 6695 | 966 H5Sclose (space_hid); |
| 4988 | 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 { |
| 6695 | 997 H5Tclose (st_id); |
| 4988 | 998 H5Sclose (space_hid); |
| 999 H5Tclose (type_hid); | |
| 6695 | 1000 H5Dclose (data_hid); |
| 4988 | 1001 H5Gclose (group_hid); |
| 1002 return false; | |
| 1003 } | |
| 6695 | 1004 H5Tclose (st_id); |
| 4988 | 1005 H5Dclose (data_hid); |
| 6625 | 1006 |
| 1007 octave_idx_type len = 0; | |
| 1008 | |
| 1009 // we have to pull some shenanigans here to make sure | |
| 1010 // HDF5 doesn't print out all sorts of error messages if we | |
| 1011 // call H5Aopen for a non-existing attribute | |
| 1012 | |
| 1013 H5E_auto_t err_func; | |
| 1014 void *err_func_data; | |
| 4988 | 1015 |
| 6625 | 1016 // turn off error reporting temporarily, but save the error |
| 1017 // reporting function: | |
|
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1018 #if HAVE_HDF5_18 |
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1019 H5Eget_auto (H5E_DEFAULT, &err_func, &err_func_data); |
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1020 H5Eset_auto (H5E_DEFAULT, 0, 0); |
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1021 #else |
| 6625 | 1022 H5Eget_auto (&err_func, &err_func_data); |
| 1023 H5Eset_auto (0, 0); | |
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1024 #endif |
| 6625 | 1025 |
| 1026 hid_t attr_id = H5Aopen_name (group_hid, "SYMBOL_TABLE"); | |
| 4988 | 1027 |
| 6625 | 1028 if (attr_id >= 0) |
| 1029 { | |
| 1030 if (H5Aread (attr_id, H5T_NATIVE_IDX, &len) < 0) | |
| 1031 success = false; | |
| 1032 | |
| 1033 H5Aclose (attr_id); | |
| 1034 } | |
| 1035 | |
| 1036 // restore error reporting: | |
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1037 #if HAVE_HDF5_18 |
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1038 H5Eset_auto (H5E_DEFAULT, err_func, err_func_data); |
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1039 #else |
| 6625 | 1040 H5Eset_auto (err_func, err_func_data); |
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1041 #endif |
| 6625 | 1042 |
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1043 unwind_protect_safe frame; |
|
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1044 |
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1045 // Set up temporary scope to use for evaluating the text that |
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1046 // defines the anonymous function. |
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1047 |
| 7336 | 1048 symbol_table::scope_id local_scope = symbol_table::alloc_scope (); |
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1049 frame.add_fcn (symbol_table::erase_scope, local_scope); |
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1050 |
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1051 symbol_table::set_scope (local_scope); |
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1052 |
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1053 octave_call_stack::push (local_scope, 0); |
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1054 frame.add_fcn (octave_call_stack::pop); |
| 7336 | 1055 |
| 6625 | 1056 if (len > 0 && success) |
| 4989 | 1057 { |
| 6625 | 1058 hsize_t num_obj = 0; |
|
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1059 #if HAVE_HDF5_18 |
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1060 data_hid = H5Gopen (group_hid, "symbol table", H5P_DEFAULT); |
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1061 #else |
| 6625 | 1062 data_hid = H5Gopen (group_hid, "symbol table"); |
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1063 #endif |
| 6625 | 1064 H5Gget_num_objs (data_hid, &num_obj); |
| 1065 H5Gclose (data_hid); | |
| 1066 | |
| 1067 if (num_obj != static_cast<hsize_t>(len)) | |
| 1068 { | |
| 1069 error ("load: failed to load anonymous function handle"); | |
| 1070 success = false; | |
| 1071 } | |
| 1072 | |
| 1073 if (! error_state) | |
| 1074 { | |
| 1075 hdf5_callback_data dsub; | |
| 1076 int current_item = 0; | |
| 1077 for (octave_idx_type i = 0; i < len; i++) | |
| 1078 { | |
| 1079 if (H5Giterate (group_hid, "symbol table", ¤t_item, | |
| 1080 hdf5_read_next_data, &dsub) <= 0) | |
| 1081 { | |
| 1082 error ("load: failed to load anonymous function handle"); | |
| 1083 success = false; | |
| 1084 break; | |
| 1085 } | |
| 1086 | |
| 7336 | 1087 symbol_table::varref (dsub.name, local_scope) = dsub.tc; |
| 6625 | 1088 } |
| 1089 } | |
| 1090 } | |
| 1091 | |
| 1092 if (success) | |
| 1093 { | |
| 1094 int parse_status; | |
| 1095 octave_value anon_fcn_handle = | |
| 1096 eval_string (fcn_tmp, true, parse_status); | |
| 1097 | |
| 1098 if (parse_status == 0) | |
| 1099 { | |
| 1100 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); | |
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1101 |
| 6625 | 1102 if (fh) |
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1103 { |
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1104 fcn = fh->fcn; |
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1105 |
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1106 octave_user_function *uf = fcn.user_function_value (true); |
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1107 |
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1108 if (uf) |
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1109 symbol_table::cache_name (uf->scope (), nm); |
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1110 } |
| 6625 | 1111 else |
| 1112 success = false; | |
| 1113 } | |
| 4989 | 1114 else |
| 6625 | 1115 success = false; |
| 4989 | 1116 } |
| 6625 | 1117 |
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1118 frame.run (); |
| 4988 | 1119 } |
| 1120 else | |
| 1121 { | |
| 6625 | 1122 std::string octaveroot; |
| 1123 std::string fpath; | |
| 1124 | |
| 1125 // we have to pull some shenanigans here to make sure | |
| 1126 // HDF5 doesn't print out all sorts of error messages if we | |
| 1127 // call H5Aopen for a non-existing attribute | |
| 1128 | |
| 1129 H5E_auto_t err_func; | |
| 1130 void *err_func_data; | |
| 1131 | |
| 1132 // turn off error reporting temporarily, but save the error | |
| 1133 // reporting function: | |
|
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1134 #if HAVE_HDF5_18 |
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1135 H5Eget_auto (H5E_DEFAULT, &err_func, &err_func_data); |
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1136 H5Eset_auto (H5E_DEFAULT, 0, 0); |
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1137 #else |
| 6625 | 1138 H5Eget_auto (&err_func, &err_func_data); |
| 1139 H5Eset_auto (0, 0); | |
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1140 #endif |
| 6625 | 1141 |
| 1142 hid_t attr_id = H5Aopen_name (group_hid, "OCTAVEROOT"); | |
| 1143 if (attr_id >= 0) | |
| 6225 | 1144 { |
| 6695 | 1145 H5Tclose (type_hid); |
| 6625 | 1146 type_hid = H5Aget_type (attr_id); |
| 1147 type_class_hid = H5Tget_class (type_hid); | |
| 1148 | |
| 1149 if (type_class_hid != H5T_STRING) | |
| 1150 success = false; | |
| 1151 else | |
| 1152 { | |
| 1153 slen = H5Tget_size (type_hid); | |
| 1154 st_id = H5Tcopy (H5T_C_S1); | |
| 1155 H5Tset_size (st_id, slen); | |
| 1156 OCTAVE_LOCAL_BUFFER (char, root_tmp, slen); | |
| 1157 | |
| 1158 if (H5Aread (attr_id, st_id, root_tmp) < 0) | |
| 1159 success = false; | |
| 1160 else | |
| 1161 octaveroot = root_tmp; | |
| 6695 | 1162 |
| 1163 H5Tclose (st_id); | |
| 6625 | 1164 } |
| 1165 | |
| 1166 H5Aclose (attr_id); | |
| 6225 | 1167 } |
| 6625 | 1168 |
| 6695 | 1169 if (success) |
| 6625 | 1170 { |
| 6695 | 1171 attr_id = H5Aopen_name (group_hid, "FILE"); |
| 1172 if (attr_id >= 0) | |
| 1173 { | |
| 1174 H5Tclose (type_hid); | |
| 1175 type_hid = H5Aget_type (attr_id); | |
| 1176 type_class_hid = H5Tget_class (type_hid); | |
| 6625 | 1177 |
| 6695 | 1178 if (type_class_hid != H5T_STRING) |
| 6625 | 1179 success = false; |
| 1180 else | |
| 6695 | 1181 { |
| 1182 slen = H5Tget_size (type_hid); | |
| 1183 st_id = H5Tcopy (H5T_C_S1); | |
| 1184 H5Tset_size (st_id, slen); | |
| 1185 OCTAVE_LOCAL_BUFFER (char, path_tmp, slen); | |
| 1186 | |
| 1187 if (H5Aread (attr_id, st_id, path_tmp) < 0) | |
| 1188 success = false; | |
| 1189 else | |
| 1190 fpath = path_tmp; | |
| 1191 | |
| 1192 H5Tclose (st_id); | |
| 1193 } | |
| 1194 | |
| 1195 H5Aclose (attr_id); | |
| 6625 | 1196 } |
| 1197 } | |
| 1198 | |
| 1199 // restore error reporting: | |
|
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1200 #if HAVE_HDF5_18 |
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1201 H5Eset_auto (H5E_DEFAULT, err_func, err_func_data); |
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1202 #else |
| 6625 | 1203 H5Eset_auto (err_func, err_func_data); |
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1204 #endif |
| 6625 | 1205 |
| 1206 success = (success ? set_fcn (octaveroot, fpath) : success); | |
| 4988 | 1207 } |
| 1208 | |
| 6695 | 1209 H5Tclose (type_hid); |
| 1210 H5Sclose (space_hid); | |
| 1211 H5Gclose (group_hid); | |
| 1212 | |
| 6625 | 1213 return success; |
| 4988 | 1214 } |
| 6625 | 1215 |
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|
1216 #endif |
|
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|
1217 |
| 6625 | 1218 /* |
| 1219 | |
| 1220 %!test | |
|
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1221 %! a = 2; |
|
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1222 %! f = @(x) a + x; |
|
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1223 %! g = @(x) 2 * x; |
|
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1224 %! hm = @flops; |
|
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1225 %! hdld = @svd; |
|
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1226 %! hbi = @log2; |
|
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1227 %! f2 = f; |
|
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1228 %! g2 = g; |
|
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1229 %! hm2 = hm; |
|
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|
1230 %! hdld2 = hdld; |
|
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|
1231 %! hbi2 = hbi; |
|
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|
1232 %! modes = {"-text", "-binary"}; |
| 6625 | 1233 %! if (!isempty(findstr(octave_config_info ("DEFS"),"HAVE_HDF5"))) |
|
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|
1234 %! modes(end+1) = "-hdf5"; |
|
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|
1235 %! endif |
| 7901 | 1236 %! for i = 1:numel (modes) |
| 1237 %! mode = modes{i}; | |
| 6625 | 1238 %! nm = tmpnam(); |
| 1239 %! unwind_protect | |
|
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|
1240 %! save (mode, nm, "f2", "g2", "hm2", "hdld2", "hbi2"); |
|
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|
1241 %! clear f2 g2 hm2 hdld2 hbi2 |
| 6625 | 1242 %! load (nm); |
| 1243 %! assert (f(2),f2(2)); | |
| 1244 %! assert (g(2),g2(2)); | |
| 1245 %! assert (g(3),g2(3)); | |
| 1246 %! unlink (nm); | |
|
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|
1247 %! save (mode, nm, "f2", "g2", "hm2", "hdld2", "hbi2"); |
| 6625 | 1248 %! unwind_protect_cleanup |
| 1249 %! unlink (nm); | |
| 1250 %! end_unwind_protect | |
|
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|
1251 %! endfor |
| 6625 | 1252 |
| 1253 */ | |
| 4988 | 1254 |
| 4343 | 1255 void |
| 1256 octave_fcn_handle::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 1257 { | |
| 1258 print_raw (os, pr_as_read_syntax); | |
| 1259 newline (os); | |
| 1260 } | |
| 1261 | |
| 1262 void | |
| 1263 octave_fcn_handle::print_raw (std::ostream& os, bool pr_as_read_syntax) const | |
| 1264 { | |
| 4980 | 1265 bool printed = false; |
| 1266 | |
| 1267 if (nm == "@<anonymous>") | |
| 1268 { | |
| 1269 tree_print_code tpc (os); | |
| 1270 | |
| 4989 | 1271 // FCN is const because this member function is, so we can't |
| 4980 | 1272 // use it to call user_function_value, so we make a copy first. |
| 1273 | |
| 1274 octave_value ftmp = fcn; | |
| 1275 | |
| 1276 octave_user_function *f = ftmp.user_function_value (); | |
| 1277 | |
| 1278 if (f) | |
| 1279 { | |
| 1280 tree_parameter_list *p = f->parameter_list (); | |
| 1281 | |
| 1282 os << "@("; | |
| 1283 | |
| 1284 if (p) | |
| 1285 p->accept (tpc); | |
| 1286 | |
| 1287 os << ") "; | |
| 1288 | |
| 1289 tree_statement_list *b = f->body (); | |
| 1290 | |
| 1291 if (b) | |
| 1292 { | |
| 1293 assert (b->length () == 1); | |
| 1294 | |
| 1295 tree_statement *s = b->front (); | |
| 1296 | |
| 1297 if (s) | |
| 1298 { | |
| 1299 if (s->is_expression ()) | |
| 1300 { | |
| 1301 tree_expression *e = s->expression (); | |
| 1302 | |
| 1303 if (e) | |
| 6657 | 1304 e->accept (tpc); |
| 4980 | 1305 } |
| 1306 else | |
| 1307 { | |
| 1308 tree_command *c = s->command (); | |
| 1309 | |
| 1310 tpc.suspend_newline (); | |
| 1311 c->accept (tpc); | |
| 1312 tpc.resume_newline (); | |
| 1313 } | |
| 1314 } | |
| 1315 } | |
| 1316 | |
| 1317 printed = true; | |
| 1318 } | |
| 1319 } | |
| 1320 | |
| 1321 if (! printed) | |
| 1322 octave_print_internal (os, nm, pr_as_read_syntax, | |
| 1323 current_print_indent_level ()); | |
| 4343 | 1324 } |
| 1325 | |
| 1326 octave_value | |
|
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|
1327 make_fcn_handle (const std::string& nm, bool local_funcs) |
| 4343 | 1328 { |
| 1329 octave_value retval; | |
| 1330 | |
|
9342
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|
1331 // Bow to the god of compatibility. |
|
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|
1332 |
|
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|
1333 // FIXME -- it seems ugly to put this here, but there is no single |
|
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1334 // function in the parser that converts from the operator name to |
|
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|
1335 // the corresponding function name. At least try to do it without N |
|
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1336 // string compares. |
|
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1337 |
|
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|
1338 std::string tnm = nm; |
|
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allow function handles to be created from operators that correspond to named functions
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1339 |
|
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|
1340 size_t len = nm.length (); |
|
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1341 |
|
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|
1342 if (len == 3 && nm == ".**") |
|
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|
1343 tnm = "power"; |
|
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|
1344 else if (len == 2) |
|
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allow function handles to be created from operators that correspond to named functions
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|
1345 { |
|
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allow function handles to be created from operators that correspond to named functions
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|
1346 if (nm[0] == '.') |
|
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|
1347 { |
|
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|
1348 switch (nm[1]) |
|
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|
1349 { |
|
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|
1350 case '\'': |
|
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|
1351 tnm = "transpose"; |
|
2ca8879a140c
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|
1352 break; |
|
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1353 |
|
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|
1354 case '+': |
|
2ca8879a140c
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|
1355 tnm = "plus"; |
|
2ca8879a140c
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|
1356 break; |
|
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|
1357 |
|
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|
1358 case '-': |
|
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|
1359 tnm = "minus"; |
|
2ca8879a140c
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|
1360 break; |
|
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|
1361 |
|
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|
1362 case '*': |
|
2ca8879a140c
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|
1363 tnm = "times"; |
|
2ca8879a140c
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|
1364 break; |
|
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|
1365 |
|
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|
1366 case '/': |
|
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changeset
|
1367 tnm = "rdivide"; |
|
2ca8879a140c
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|
1368 break; |
|
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|
1369 |
|
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|
1370 case '^': |
|
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1371 tnm = "power"; |
|
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|
1372 break; |
|
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|
1373 |
|
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|
1374 case '\\': |
|
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|
1375 tnm = "ldivide"; |
|
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|
1376 break; |
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|
1377 } |
|
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|
1378 } |
|
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|
1379 else if (nm[1] == '=') |
|
2ca8879a140c
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|
1380 { |
|
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|
1381 switch (nm[0]) |
|
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|
1382 { |
|
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|
1383 case '<': |
|
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|
1384 tnm = "le"; |
|
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|
1385 break; |
|
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changeset
|
1386 |
|
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changeset
|
1387 case '=': |
|
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|
1388 tnm = "eq"; |
|
2ca8879a140c
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|
1389 break; |
|
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changeset
|
1390 |
|
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|
1391 case '>': |
|
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changeset
|
1392 tnm = "ge"; |
|
2ca8879a140c
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|
1393 break; |
|
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changeset
|
1394 |
|
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|
1395 case '~': |
|
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changeset
|
1396 case '!': |
|
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changeset
|
1397 tnm = "ne"; |
|
2ca8879a140c
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|
1398 break; |
|
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|
1399 } |
|
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|
1400 } |
|
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|
1401 else if (nm == "**") |
|
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changeset
|
1402 tnm = "mpower"; |
|
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1403 } |
|
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|
1404 else if (len == 1) |
|
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|
1405 { |
|
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|
1406 switch (nm[0]) |
|
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|
1407 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1408 case '~': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1409 case '!': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1410 tnm = "not"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1411 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1412 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1413 case '\'': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1414 tnm = "ctranspose"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1415 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1416 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1417 case '+': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1418 tnm = "plus"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1419 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1420 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1421 case '-': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1422 tnm = "minus"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1423 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1424 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1425 case '*': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1426 tnm = "mtimes"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1427 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1428 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1429 case '/': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1430 tnm = "mrdivide"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1431 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1432 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1433 case '^': |
|
9343
70e0d3b1f26f
fix typos in previous change
John W. Eaton <jwe@octave.org>
parents:
9342
diff
changeset
|
1434 tnm = "mpower"; |
|
9342
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1435 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1436 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1437 case '\\': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1438 tnm = "mldivide"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1439 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1440 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1441 case '<': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1442 tnm = "lt"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1443 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1444 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1445 case '>': |
|
9343
70e0d3b1f26f
fix typos in previous change
John W. Eaton <jwe@octave.org>
parents:
9342
diff
changeset
|
1446 tnm = "gt"; |
|
9342
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1447 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1448 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1449 case '&': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1450 tnm = "and"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1451 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1452 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1453 case '|': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1454 tnm = "or"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1455 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1456 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1457 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1458 |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1459 bool handle_ok = false; |
|
9463
d34baf412786
support non-local function lookups in str2func
Jaroslav Hajek <highegg@gmail.com>
parents:
9458
diff
changeset
|
1460 octave_value f = symbol_table::find_function (tnm, octave_value_list (), |
|
d34baf412786
support non-local function lookups in str2func
Jaroslav Hajek <highegg@gmail.com>
parents:
9458
diff
changeset
|
1461 local_funcs); |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1462 |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1463 if (f.is_undefined ()) |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1464 { |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1465 if (load_path::any_class_method (tnm)) |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1466 handle_ok = true; |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1467 else |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1468 { |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1469 load_path::update (); |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1470 if (load_path::any_class_method (tnm)) |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1471 handle_ok = true; |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1472 } |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1473 } |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1474 else |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1475 handle_ok = true; |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1476 |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1477 octave_function *fptr = f.is_defined () ? f.function_value () : 0; |
| 6481 | 1478 |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1479 |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1480 if (handle_ok) |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1481 { |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1482 // If it's a subfunction, private function, or class constructor, |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1483 // we want no dispatch. |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1484 if (fptr && (fptr->is_nested_function () || fptr->is_private_function () |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1485 || fptr->is_class_constructor ())) |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1486 retval = octave_value (new octave_fcn_handle (f, tnm)); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1487 else |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1488 { |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1489 typedef octave_fcn_handle::str_ov_map str_ov_map; |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1490 std::auto_ptr<str_ov_map> disp (new str_ov_map); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1491 const string_vector cnames = get_builtin_classes (); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1492 for (octave_idx_type i = 0; i < cnames.length (); i++) |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1493 { |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1494 std::string cnam = cnames(i); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1495 octave_value method = symbol_table::find_method (tnm, cnam); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1496 if (method.is_defined ()) |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1497 (*disp)[cnam] = method; |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1498 } |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1499 |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1500 retval = octave_value (new octave_fcn_handle (f, tnm, disp.release ())); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1501 } |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1502 } |
|
9419
0dd3c7a2ba19
undo escaped change in previous patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9418
diff
changeset
|
1503 else |
|
0dd3c7a2ba19
undo escaped change in previous patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9418
diff
changeset
|
1504 error ("error creating function handle \"@%s\"", nm.c_str ()); |
| 4343 | 1505 |
| 1506 return retval; | |
| 1507 } | |
| 1508 | |
|
9342
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1509 /* |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1510 %!test |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1511 %! x = {".**", "power"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1512 %! ".'", "transpose"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1513 %! ".+", "plus"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1514 %! ".-", "minus"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1515 %! ".*", "times"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1516 %! "./", "rdivide"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1517 %! ".^", "power"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1518 %! ".\\", "ldivide"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1519 %! "<=", "le"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1520 %! "==", "eq"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1521 %! ">=", "ge"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1522 %! "~=", "ne"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1523 %! "!=", "ne"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1524 %! "**", "mpower"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1525 %! "~", "not"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1526 %! "!", "not"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1527 %! "\'", "ctranspose"; |
|
2ca8879a140c
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1528 %! "+", "plus"; |
|
2ca8879a140c
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|
1529 %! "-", "minus"; |
|
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diff
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|
1530 %! "*", "mtimes"; |
|
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|
1531 %! "/", "mrdivide"; |
|
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|
1532 %! "^", "mpower"; |
|
2ca8879a140c
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|
1533 %! "\\", "mldivide"; |
|
2ca8879a140c
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|
1534 %! "<", "lt"; |
|
9343
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fix typos in previous change
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|
1535 %! ">", "gt"; |
|
9342
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|
1536 %! "&", "and"; |
|
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|
1537 %! "|", "or"}; |
|
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allow function handles to be created from operators that correspond to named functions
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|
1538 %! for i = 1:rows (x) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
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|
1539 %! assert (functions (str2func (x{i,1})).function, x{i,2}) |
|
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1540 %! endfor |
|
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|
1541 */ |
|
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|
1542 |
| 4933 | 1543 DEFUN (functions, args, , |
| 4343 | 1544 "-*- texinfo -*-\n\ |
| 4933 | 1545 @deftypefn {Built-in Function} {} functions (@var{fcn_handle})\n\ |
| 1546 Return a struct containing information about the function handle\n\ | |
| 1547 @var{fcn_handle}.\n\ | |
| 1548 @end deftypefn") | |
| 4343 | 1549 { |
| 1550 octave_value retval; | |
| 1551 | |
| 4933 | 1552 if (args.length () == 1) |
| 4343 | 1553 { |
| 4933 | 1554 octave_fcn_handle *fh = args(0).fcn_handle_value (); |
| 4343 | 1555 |
| 1556 if (! error_state) | |
| 1557 { | |
|
7744
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John W. Eaton <jwe@octave.org>
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changeset
|
1558 octave_function *fcn = fh ? fh->function_value () : 0; |
| 4343 | 1559 |
| 4933 | 1560 if (fcn) |
| 4930 | 1561 { |
| 4933 | 1562 Octave_map m; |
| 4649 | 1563 |
| 4933 | 1564 std::string fh_nm = fh->fcn_name (); |
| 1565 | |
| 6625 | 1566 if (fh_nm == "@<anonymous>") |
| 1567 { | |
| 1568 std::ostringstream buf; | |
| 1569 fh->print_raw (buf); | |
| 1570 m.assign ("function", buf.str ()); | |
| 1571 | |
| 1572 m.assign ("type", "anonymous"); | |
| 1573 } | |
| 1574 else | |
| 1575 { | |
| 1576 m.assign ("function", fh_nm); | |
| 4343 | 1577 |
| 6625 | 1578 if (fcn->is_nested_function ()) |
| 1579 { | |
| 1580 m.assign ("type", "subfunction"); | |
| 1581 Cell parentage (dim_vector (1, 2)); | |
| 1582 parentage.elem(0) = fh_nm; | |
| 1583 parentage.elem(1) = fcn->parent_fcn_name (); | |
|
7756
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|
1584 m.assign ("parentage", octave_value (parentage)); |
| 6625 | 1585 } |
|
9509
c5330ef7aecd
fix handles to private functions, simplify out-of-date checks in symtab
Jaroslav Hajek <highegg@gmail.com>
parents:
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diff
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|
1586 else if (fcn->is_private_function ()) |
|
c5330ef7aecd
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|
1587 m.assign ("type", "private"); |
|
9450
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|
1588 else if (fh->is_overloaded ()) |
|
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|
1589 m.assign ("type", "overloaded"); |
| 6625 | 1590 else |
| 1591 m.assign ("type", "simple"); | |
| 1592 } | |
| 4933 | 1593 |
| 1594 std::string nm = fcn->fcn_file_name (); | |
| 4343 | 1595 |
|
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1596 if (fh_nm == "@<anonymous>") |
| 4935 | 1597 { |
|
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1598 m.assign ("file", nm); |
|
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|
1599 |
|
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1600 octave_user_function *fu = fh->user_function_value (); |
| 6625 | 1601 |
|
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1602 std::list<symbol_table::symbol_record> vars |
|
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|
1603 = symbol_table::all_variables (fu->scope (), 0); |
|
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|
1604 |
|
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|
1605 size_t varlen = vars.size (); |
| 6625 | 1606 |
|
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1607 if (varlen > 0) |
|
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|
1608 { |
|
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|
1609 Octave_map ws; |
|
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|
1610 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
|
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|
1611 p != vars.end (); p++) |
| 6625 | 1612 { |
|
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|
1613 ws.assign (p->name (), p->varval (0)); |
| 6625 | 1614 } |
|
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|
1615 |
|
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|
1616 m.assign ("workspace", ws); |
| 6625 | 1617 } |
|
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|
1618 } |
|
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|
1619 else if (fcn->is_user_function () || fcn->is_user_script ()) |
|
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|
1620 { |
|
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|
1621 octave_function *fu = fh->function_value (); |
|
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|
1622 m.assign ("file", fu->fcn_file_name ()); |
| 4935 | 1623 } |
| 4343 | 1624 else |
|
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|
1625 m.assign ("file", ""); |
| 4933 | 1626 |
| 1627 retval = m; | |
| 4343 | 1628 } |
| 1629 else | |
| 4933 | 1630 error ("functions: invalid function handle object"); |
| 4343 | 1631 } |
| 1632 else | |
| 4933 | 1633 error ("functions: argument must be a function handle object"); |
| 4343 | 1634 } |
| 1635 else | |
| 5823 | 1636 print_usage (); |
| 4343 | 1637 |
| 1638 return retval; | |
| 1639 } | |
| 1640 | |
| 4933 | 1641 DEFUN (func2str, args, , |
| 4343 | 1642 "-*- texinfo -*-\n\ |
| 4933 | 1643 @deftypefn {Built-in Function} {} func2str (@var{fcn_handle})\n\ |
| 1644 Return a string containing the name of the function referenced by\n\ | |
| 1645 the function handle @var{fcn_handle}.\n\ | |
| 1646 @end deftypefn") | |
| 4343 | 1647 { |
| 1648 octave_value retval; | |
| 1649 | |
| 4933 | 1650 if (args.length () == 1) |
| 4930 | 1651 { |
| 4933 | 1652 octave_fcn_handle *fh = args(0).fcn_handle_value (); |
| 4930 | 1653 |
| 4933 | 1654 if (! error_state && fh) |
| 1655 { | |
| 1656 std::string fh_nm = fh->fcn_name (); | |
| 6416 | 1657 |
| 1658 if (fh_nm == "@<anonymous>") | |
| 1659 { | |
| 1660 std::ostringstream buf; | |
| 1661 | |
| 1662 fh->print_raw (buf); | |
| 1663 | |
| 1664 retval = buf.str (); | |
| 1665 } | |
| 1666 else | |
| 1667 retval = fh_nm; | |
| 4933 | 1668 } |
| 4343 | 1669 else |
| 4933 | 1670 error ("func2str: expecting valid function handle as first argument"); |
| 4343 | 1671 } |
| 1672 else | |
| 5823 | 1673 print_usage (); |
| 4343 | 1674 |
| 1675 return retval; | |
| 1676 } | |
| 1677 | |
| 4933 | 1678 DEFUN (str2func, args, , |
| 4343 | 1679 "-*- texinfo -*-\n\ |
| 4933 | 1680 @deftypefn {Built-in Function} {} str2func (@var{fcn_name})\n\ |
|
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|
1681 @deftypefnx {Built-in Function} {} str2func (@var{fcn_name}, \"global\")\n\ |
| 4933 | 1682 Return a function handle constructed from the string @var{fcn_name}.\n\ |
|
9463
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|
1683 If the optional \"global\" argument is passed, locally visible functions\n\ |
|
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Jaroslav Hajek <highegg@gmail.com>
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|
1684 are ignored in the lookup.\n\ |
| 4933 | 1685 @end deftypefn") |
| 4343 | 1686 { |
| 1687 octave_value retval; | |
|
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|
1688 int nargin = args.length (); |
| 4343 | 1689 |
|
9463
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diff
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|
1690 if (nargin == 1 || nargin == 2) |
| 4343 | 1691 { |
| 4933 | 1692 std::string nm = args(0).string_value (); |
| 4343 | 1693 |
| 4933 | 1694 if (! error_state) |
|
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Jaroslav Hajek <highegg@gmail.com>
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|
1695 retval = make_fcn_handle (nm, nargin != 2); |
| 4343 | 1696 else |
| 4933 | 1697 error ("str2func: expecting string as first argument"); |
| 4343 | 1698 } |
| 1699 else | |
| 5823 | 1700 print_usage (); |
| 4343 | 1701 |
| 1702 return retval; | |
| 1703 } | |
| 1704 | |
| 1705 /* | |
|
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|
1706 %!function y = testrecursionfunc (f, x, n) |
|
71f068b22fcc
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|
1707 %! if (nargin < 3) |
|
71f068b22fcc
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|
1708 %! n = 0; |
|
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|
1709 %! endif |
|
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|
1710 %! if (n > 2) |
|
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changeset
|
1711 %! y = f (x); |
|
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changeset
|
1712 %! else |
|
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changeset
|
1713 %! n++; |
|
71f068b22fcc
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changeset
|
1714 %! y = testrecursionfunc (@(x) f(2*x), x, n); |
|
71f068b22fcc
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|
1715 %! endif |
|
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|
1716 %!test |
|
71f068b22fcc
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diff
changeset
|
1717 %! assert (testrecursionfunc (@(x) x, 1), 8); |
|
71f068b22fcc
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|
1718 */ |