Mercurial > hg > octave-lyh
annotate src/ov-fcn-handle.cc @ 9466:2ebd0717c12d
also cache class dispatch lookups in function handles
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Wed, 29 Jul 2009 09:09:48 +0200 |
| parents | d34baf412786 |
| children | c5330ef7aecd |
| rev | line source |
|---|---|
| 4343 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 John W. Eaton |
| 4343 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 4343 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 4343 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 27 #include <iostream> | |
| 5765 | 28 #include <sstream> |
| 5164 | 29 #include <vector> |
| 4343 | 30 |
| 7336 | 31 #include "file-ops.h" |
|
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32 #include "oct-locbuf.h" |
| 7336 | 33 |
| 4343 | 34 #include "defun.h" |
| 4654 | 35 #include "error.h" |
| 36 #include "gripes.h" | |
| 5663 | 37 #include "input.h" |
| 4343 | 38 #include "oct-map.h" |
| 39 #include "ov-base.h" | |
| 40 #include "ov-fcn-handle.h" | |
| 4980 | 41 #include "ov-usr-fcn.h" |
| 4343 | 42 #include "pr-output.h" |
| 4980 | 43 #include "pt-pr-code.h" |
| 44 #include "pt-misc.h" | |
| 45 #include "pt-stmt.h" | |
| 46 #include "pt-cmd.h" | |
| 47 #include "pt-exp.h" | |
| 48 #include "pt-assign.h" | |
| 4343 | 49 #include "variables.h" |
| 4988 | 50 #include "parse.h" |
| 6625 | 51 #include "unwind-prot.h" |
| 52 #include "defaults.h" | |
| 53 #include "file-stat.h" | |
| 54 #include "load-path.h" | |
| 55 #include "oct-env.h" | |
| 4988 | 56 |
| 57 #include "byte-swap.h" | |
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58 #include "ls-ascii-helper.h" |
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59 #include "ls-hdf5.h" |
| 4988 | 60 #include "ls-oct-ascii.h" |
| 6625 | 61 #include "ls-oct-binary.h" |
| 4988 | 62 #include "ls-utils.h" |
| 4343 | 63 |
| 64 DEFINE_OCTAVE_ALLOCATOR (octave_fcn_handle); | |
| 65 | |
| 4612 | 66 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_fcn_handle, |
| 67 "function handle", | |
| 5946 | 68 "function_handle"); |
| 4343 | 69 |
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70 octave_fcn_handle::octave_fcn_handle (const octave_value& f, |
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71 const std::string& n) |
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72 : fcn (f), nm (n) |
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73 { |
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74 octave_user_function *uf = fcn.user_function_value (true); |
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75 |
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76 if (uf) |
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77 symbol_table::cache_name (uf->scope (), nm); |
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78 } |
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79 |
| 4924 | 80 octave_value_list |
| 81 octave_fcn_handle::subsref (const std::string& type, | |
| 82 const std::list<octave_value_list>& idx, | |
| 83 int nargout) | |
| 84 { | |
| 85 octave_value_list retval; | |
| 86 | |
| 87 switch (type[0]) | |
| 88 { | |
| 89 case '(': | |
| 90 { | |
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91 int tmp_nargout = (type.length () > 1 && nargout == 0) ? 1 : nargout; |
| 5663 | 92 |
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93 retval = do_multi_index_op (tmp_nargout, idx.front ()); |
| 4924 | 94 } |
| 95 break; | |
| 96 | |
| 97 case '{': | |
| 98 case '.': | |
| 99 { | |
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100 std::string tnm = type_name (); |
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101 error ("%s cannot be indexed with %c", tnm.c_str (), type[0]); |
| 4924 | 102 } |
| 103 break; | |
| 104 | |
| 105 default: | |
| 106 panic_impossible (); | |
| 107 } | |
| 108 | |
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109 // FIXME -- perhaps there should be an |
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110 // octave_value_list::next_subsref member function? See also |
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111 // octave_builtin::subsref. |
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112 |
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113 if (idx.size () > 1) |
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114 retval = retval(0).next_subsref (nargout, type, idx); |
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115 |
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116 return retval; |
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117 } |
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118 |
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119 octave_value_list |
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120 octave_fcn_handle::do_multi_index_op (int nargout, |
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121 const octave_value_list& args) |
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122 { |
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123 octave_value_list retval; |
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124 |
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125 if (fcn.is_defined ()) |
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126 out_of_date_check (fcn); |
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127 |
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128 if (disp.get () && ! args.empty ()) |
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129 { |
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130 // Possibly overloaded function. |
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131 octave_value ovfcn = fcn; |
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132 |
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133 // Get dynamic (class) dispatch type. |
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134 std::string ddt = get_dispatch_type (args); |
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135 |
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136 if (ddt.empty ()) |
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137 { |
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138 // Static dispatch (class of 1st arg)? |
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139 if (! disp->empty ()) |
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140 { |
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141 std::string sdt = args(0).class_name (); |
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142 str_ov_map::iterator pos = disp->find (sdt); |
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143 if (pos != disp->end ()) |
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144 { |
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145 out_of_date_check (pos->second, sdt); |
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146 ovfcn = pos->second; |
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147 } |
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148 } |
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149 } |
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150 else |
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151 { |
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152 str_ov_map::iterator pos = disp->find (ddt); |
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153 if (pos != disp->end ()) |
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154 { |
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155 out_of_date_check (pos->second, ddt); |
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156 ovfcn = pos->second; |
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157 } |
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158 else |
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159 { |
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160 octave_value method = symbol_table::find_method (nm, ddt); |
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161 if (method.is_defined ()) |
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162 (*disp)[ddt] = ovfcn = method; |
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163 } |
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164 } |
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165 |
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166 if (ovfcn.is_defined ()) |
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167 retval = ovfcn.do_multi_index_op (nargout, args); |
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168 else if (fcn.is_undefined ()) |
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169 { |
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170 if (ddt.empty ()) |
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171 ddt = args(0).class_name (); |
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172 |
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173 error ("no %s method to handle class %s", nm.c_str (), ddt.c_str ()); |
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174 } |
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175 else |
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176 error ("invalid function handle"); |
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177 } |
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178 else |
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179 { |
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180 // Non-overloaded function (anonymous, subfunction, private function). |
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181 if (fcn.is_defined ()) |
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182 retval = fcn.do_multi_index_op (nargout, args); |
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183 else |
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184 error ("invalid function handle"); |
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185 } |
| 4924 | 186 |
| 187 return retval; | |
| 188 } | |
| 189 | |
| 4988 | 190 bool |
| 6625 | 191 octave_fcn_handle::set_fcn (const std::string &octaveroot, |
| 192 const std::string& fpath) | |
| 4988 | 193 { |
| 6625 | 194 bool success = true; |
| 195 | |
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196 if (octaveroot.length () != 0 |
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197 && fpath.length () >= octaveroot.length () |
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198 && fpath.substr (0, octaveroot.length ()) == octaveroot |
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199 && OCTAVE_EXEC_PREFIX != octaveroot) |
| 6625 | 200 { |
| 201 // First check if just replacing matlabroot is enough | |
| 202 std::string str = OCTAVE_EXEC_PREFIX + | |
| 203 fpath.substr (octaveroot.length ()); | |
| 204 file_stat fs (str); | |
| 205 | |
| 206 if (fs.exists ()) | |
| 207 { | |
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208 size_t xpos = str.find_last_of (file_ops::dir_sep_chars ()); |
| 6625 | 209 |
| 7336 | 210 std::string dir_name = str.substr (0, xpos); |
| 6625 | 211 |
| 7336 | 212 octave_function *xfcn |
| 213 = load_fcn_from_file (str, dir_name, "", nm); | |
| 6625 | 214 |
| 7336 | 215 if (xfcn) |
| 216 { | |
| 217 octave_value tmp (xfcn); | |
| 6625 | 218 |
| 7336 | 219 fcn = octave_value (new octave_fcn_handle (tmp, nm)); |
| 6625 | 220 } |
| 221 else | |
| 222 { | |
| 223 error ("function handle points to non-existent function"); | |
| 224 success = false; | |
| 225 } | |
| 226 } | |
| 227 else | |
| 228 { | |
| 229 // Next just search for it anywhere in the system path | |
| 230 string_vector names(3); | |
| 231 names(0) = nm + ".oct"; | |
| 232 names(1) = nm + ".mex"; | |
| 233 names(2) = nm + ".m"; | |
| 234 | |
| 6626 | 235 dir_path p (load_path::system_path ()); |
| 6625 | 236 |
| 237 str = octave_env::make_absolute | |
| 238 (p.find_first_of (names), octave_env::getcwd ()); | |
| 239 | |
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240 size_t xpos = str.find_last_of (file_ops::dir_sep_chars ()); |
| 6625 | 241 |
| 7336 | 242 std::string dir_name = str.substr (0, xpos); |
| 243 | |
| 244 octave_function *xfcn = load_fcn_from_file (str, dir_name, "", nm); | |
| 4989 | 245 |
| 7336 | 246 if (xfcn) |
| 247 { | |
| 248 octave_value tmp (xfcn); | |
| 6625 | 249 |
| 7336 | 250 fcn = octave_value (new octave_fcn_handle (tmp, nm)); |
| 6625 | 251 } |
| 252 else | |
| 253 { | |
| 254 error ("function handle points to non-existent function"); | |
| 255 success = false; | |
| 256 } | |
| 257 } | |
| 258 } | |
| 259 else | |
| 260 { | |
| 261 if (fpath.length () > 0) | |
| 262 { | |
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263 size_t xpos = fpath.find_last_of (file_ops::dir_sep_chars ()); |
| 6625 | 264 |
| 7336 | 265 std::string dir_name = fpath.substr (0, xpos); |
| 266 | |
| 267 octave_function *xfcn = load_fcn_from_file (fpath, dir_name, "", nm); | |
| 6625 | 268 |
| 7336 | 269 if (xfcn) |
| 270 { | |
| 271 octave_value tmp (xfcn); | |
| 6625 | 272 |
| 7336 | 273 fcn = octave_value (new octave_fcn_handle (tmp, nm)); |
| 6625 | 274 } |
| 275 else | |
| 276 { | |
| 277 error ("function handle points to non-existent function"); | |
| 278 success = false; | |
| 279 } | |
| 280 } | |
| 281 else | |
| 282 { | |
| 7336 | 283 fcn = symbol_table::find_function (nm); |
| 284 | |
| 6625 | 285 if (! fcn.is_function ()) |
| 286 { | |
| 287 error ("function handle points to non-existent function"); | |
| 288 success = false; | |
| 289 } | |
| 290 } | |
| 291 } | |
| 292 | |
| 293 return success; | |
| 294 } | |
| 295 | |
| 296 bool | |
| 6974 | 297 octave_fcn_handle::save_ascii (std::ostream& os) |
| 6625 | 298 { |
| 4988 | 299 if (nm == "@<anonymous>") |
| 300 { | |
| 6625 | 301 os << nm << "\n"; |
| 302 | |
| 4989 | 303 print_raw (os, true); |
| 304 os << "\n"; | |
| 6625 | 305 |
| 7336 | 306 if (fcn.is_undefined ()) |
| 6625 | 307 return false; |
| 308 | |
| 309 octave_user_function *f = fcn.user_function_value (); | |
| 310 | |
| 7336 | 311 std::list<symbol_table::symbol_record> vars |
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312 = symbol_table::all_variables (f->scope (), 0); |
| 6625 | 313 |
| 7336 | 314 size_t varlen = vars.size (); |
| 6625 | 315 |
| 316 if (varlen > 0) | |
| 317 { | |
| 318 os << "# length: " << varlen << "\n"; | |
| 319 | |
| 7336 | 320 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
| 321 p != vars.end (); p++) | |
| 6625 | 322 { |
| 7336 | 323 if (! save_ascii_data (os, p->varval (), p->name (), false, 0)) |
| 6625 | 324 return os; |
| 325 } | |
| 326 } | |
| 327 } | |
| 328 else | |
| 329 { | |
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330 octave_function *f = function_value (); |
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331 std::string fnm = f ? f->fcn_file_name () : std::string (); |
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332 |
| 6625 | 333 os << "# octaveroot: " << OCTAVE_EXEC_PREFIX << "\n"; |
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334 if (! fnm.empty ()) |
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335 os << "# path: " << fnm << "\n"; |
| 6625 | 336 os << nm << "\n"; |
| 4988 | 337 } |
| 338 | |
| 339 return true; | |
| 340 } | |
| 341 | |
| 342 bool | |
| 343 octave_fcn_handle::load_ascii (std::istream& is) | |
| 344 { | |
| 6625 | 345 bool success = true; |
| 346 | |
| 347 std::streampos pos = is.tellg (); | |
| 348 std::string octaveroot = extract_keyword (is, "octaveroot", true); | |
| 349 if (octaveroot.length() == 0) | |
| 350 { | |
| 351 is.seekg (pos); | |
| 352 is.clear (); | |
| 353 } | |
| 354 pos = is.tellg (); | |
| 355 std::string fpath = extract_keyword (is, "path", true); | |
| 356 if (fpath.length() == 0) | |
| 357 { | |
| 358 is.seekg (pos); | |
| 359 is.clear (); | |
| 360 } | |
| 361 | |
| 4988 | 362 is >> nm; |
| 4989 | 363 |
| 4988 | 364 if (nm == "@<anonymous>") |
| 365 { | |
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366 skip_preceeding_newline (is); |
| 4988 | 367 |
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368 std::string buf; |
| 4988 | 369 |
| 370 if (is) | |
| 371 { | |
| 372 | |
| 373 // Get a line of text whitespace characters included, leaving | |
| 4989 | 374 // newline in the stream. |
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375 buf = read_until_newline (is, true); |
| 4989 | 376 |
| 4988 | 377 } |
| 378 | |
| 6625 | 379 pos = is.tellg (); |
| 7336 | 380 |
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381 unwind_protect::frame_id_t uwp_frame = unwind_protect::begin_frame (); |
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382 |
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383 // Set up temporary scope to use for evaluating the text that |
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384 // defines the anonymous function. |
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385 |
| 7336 | 386 symbol_table::scope_id local_scope = symbol_table::alloc_scope (); |
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387 unwind_protect::add_fcn (symbol_table::erase_scope, local_scope); |
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388 |
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389 symbol_table::set_scope (local_scope); |
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390 |
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391 octave_call_stack::push (local_scope, 0); |
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392 unwind_protect::add_fcn (octave_call_stack::pop); |
| 4988 | 393 |
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394 octave_idx_type len = 0; |
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395 |
| 6625 | 396 if (extract_keyword (is, "length", len, true) && len >= 0) |
| 4989 | 397 { |
| 6625 | 398 if (len > 0) |
| 399 { | |
| 400 for (octave_idx_type i = 0; i < len; i++) | |
| 401 { | |
| 402 octave_value t2; | |
| 403 bool dummy; | |
| 404 | |
| 405 std::string name | |
| 406 = read_ascii_data (is, std::string (), dummy, t2, i); | |
| 407 | |
| 408 if (!is) | |
| 409 { | |
| 410 error ("load: failed to load anonymous function handle"); | |
| 411 break; | |
| 412 } | |
| 413 | |
| 7901 | 414 symbol_table::varref (name, local_scope, 0) = t2; |
| 6625 | 415 } |
| 416 } | |
| 4989 | 417 } |
| 418 else | |
| 6625 | 419 { |
| 420 is.seekg (pos); | |
| 421 is.clear (); | |
| 422 } | |
| 423 | |
| 424 if (is && success) | |
| 425 { | |
| 426 int parse_status; | |
| 427 octave_value anon_fcn_handle = | |
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428 eval_string (buf, true, parse_status); |
| 6625 | 429 |
| 430 if (parse_status == 0) | |
| 431 { | |
| 432 octave_fcn_handle *fh = | |
| 433 anon_fcn_handle.fcn_handle_value (); | |
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434 |
| 6625 | 435 if (fh) |
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436 { |
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437 fcn = fh->fcn; |
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438 |
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439 octave_user_function *uf = fcn.user_function_value (true); |
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440 |
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441 if (uf) |
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442 symbol_table::cache_name (uf->scope (), nm); |
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443 } |
| 6625 | 444 else |
| 445 success = false; | |
| 446 } | |
| 447 else | |
| 448 success = false; | |
| 449 } | |
| 450 else | |
| 451 success = false; | |
| 452 | |
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453 unwind_protect::run_frame (uwp_frame); |
| 4988 | 454 } |
| 455 else | |
| 6625 | 456 success = set_fcn (octaveroot, fpath); |
| 4988 | 457 |
| 6625 | 458 return success; |
| 4988 | 459 } |
| 460 | |
| 461 bool | |
| 6625 | 462 octave_fcn_handle::save_binary (std::ostream& os, bool& save_as_floats) |
| 4988 | 463 { |
| 464 if (nm == "@<anonymous>") | |
| 465 { | |
| 6625 | 466 std::ostringstream nmbuf; |
| 467 | |
| 7336 | 468 if (fcn.is_undefined ()) |
| 6625 | 469 return false; |
| 470 | |
| 471 octave_user_function *f = fcn.user_function_value (); | |
| 472 | |
| 7336 | 473 std::list<symbol_table::symbol_record> vars |
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474 = symbol_table::all_variables (f->scope (), 0); |
| 6625 | 475 |
| 7336 | 476 size_t varlen = vars.size (); |
| 6625 | 477 |
| 478 if (varlen > 0) | |
| 479 nmbuf << nm << " " << varlen; | |
| 480 else | |
| 481 nmbuf << nm; | |
| 482 | |
| 483 std::string buf_str = nmbuf.str(); | |
| 484 int32_t tmp = buf_str.length (); | |
| 485 os.write (reinterpret_cast<char *> (&tmp), 4); | |
| 486 os.write (buf_str.c_str (), buf_str.length ()); | |
| 487 | |
| 5765 | 488 std::ostringstream buf; |
| 4988 | 489 print_raw (buf, true); |
| 5765 | 490 std::string stmp = buf.str (); |
| 4988 | 491 tmp = stmp.length (); |
| 5760 | 492 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4988 | 493 os.write (stmp.c_str (), stmp.length ()); |
| 6625 | 494 |
| 495 if (varlen > 0) | |
| 496 { | |
| 7336 | 497 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
| 498 p != vars.end (); p++) | |
| 6625 | 499 { |
| 7336 | 500 if (! save_binary_data (os, p->varval (), p->name (), |
| 6625 | 501 "", 0, save_as_floats)) |
| 502 return os; | |
| 503 } | |
| 504 } | |
| 505 } | |
| 506 else | |
| 507 { | |
| 508 std::ostringstream nmbuf; | |
| 509 | |
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510 octave_function *f = function_value (); |
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511 std::string fnm = f ? f->fcn_file_name () : std::string (); |
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512 |
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513 nmbuf << nm << "\n" << OCTAVE_EXEC_PREFIX << "\n" << fnm; |
| 6625 | 514 |
| 515 std::string buf_str = nmbuf.str (); | |
| 516 int32_t tmp = buf_str.length (); | |
| 517 os.write (reinterpret_cast<char *> (&tmp), 4); | |
| 518 os.write (buf_str.c_str (), buf_str.length ()); | |
| 4988 | 519 } |
| 7336 | 520 |
| 4988 | 521 return true; |
| 522 } | |
| 523 | |
| 524 bool | |
| 525 octave_fcn_handle::load_binary (std::istream& is, bool swap, | |
| 6625 | 526 oct_mach_info::float_format fmt) |
| 4988 | 527 { |
| 6625 | 528 bool success = true; |
| 7336 | 529 |
| 5828 | 530 int32_t tmp; |
| 5760 | 531 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4988 | 532 return false; |
| 533 if (swap) | |
| 534 swap_bytes<4> (&tmp); | |
| 535 | |
| 536 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1); | |
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537 is.get (ctmp1, tmp+1, 0); |
| 4988 | 538 nm = std::string (ctmp1); |
| 539 | |
| 540 if (! is) | |
| 541 return false; | |
| 542 | |
| 6625 | 543 if (nm.length() >= 12 && nm.substr (0, 12) == "@<anonymous>") |
| 4988 | 544 { |
| 6625 | 545 octave_idx_type len = 0; |
| 546 | |
| 547 if (nm.length() > 12) | |
| 548 { | |
| 549 std::istringstream nm_is (nm.substr(12)); | |
| 550 nm_is >> len; | |
| 551 nm = nm.substr(0,12); | |
| 552 } | |
| 553 | |
| 5760 | 554 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4988 | 555 return false; |
| 556 if (swap) | |
| 557 swap_bytes<4> (&tmp); | |
| 558 | |
| 559 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1); | |
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560 is.get (ctmp2, tmp+1, 0); |
| 4988 | 561 |
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562 unwind_protect::frame_id_t uwp_frame = unwind_protect::begin_frame (); |
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563 |
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564 // Set up temporary scope to use for evaluating the text that |
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565 // defines the anonymous function. |
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566 |
| 7336 | 567 symbol_table::scope_id local_scope = symbol_table::alloc_scope (); |
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568 unwind_protect::add_fcn (symbol_table::erase_scope, local_scope); |
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569 |
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570 symbol_table::set_scope (local_scope); |
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571 |
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572 octave_call_stack::push (local_scope, 0); |
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573 unwind_protect::add_fcn (octave_call_stack::pop); |
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574 |
| 6625 | 575 if (len > 0) |
| 4989 | 576 { |
| 6625 | 577 for (octave_idx_type i = 0; i < len; i++) |
| 578 { | |
| 579 octave_value t2; | |
| 580 bool dummy; | |
| 581 std::string doc; | |
| 582 | |
| 583 std::string name = | |
| 584 read_binary_data (is, swap, fmt, std::string (), | |
| 585 dummy, t2, doc); | |
| 586 | |
| 587 if (!is) | |
| 588 { | |
| 589 error ("load: failed to load anonymous function handle"); | |
| 590 break; | |
| 591 } | |
| 592 | |
| 7336 | 593 symbol_table::varref (name, local_scope) = t2; |
| 6625 | 594 } |
| 595 } | |
| 596 | |
| 597 if (is && success) | |
| 598 { | |
| 599 int parse_status; | |
| 600 octave_value anon_fcn_handle = | |
| 601 eval_string (ctmp2, true, parse_status); | |
| 602 | |
| 603 if (parse_status == 0) | |
| 604 { | |
| 605 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); | |
|
7761
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diff
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|
606 |
| 6625 | 607 if (fh) |
|
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symbol table reporting functions
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parents:
7756
diff
changeset
|
608 { |
|
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parents:
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diff
changeset
|
609 fcn = fh->fcn; |
|
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symbol table reporting functions
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parents:
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diff
changeset
|
610 |
|
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parents:
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diff
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|
611 octave_user_function *uf = fcn.user_function_value (true); |
|
5adeea5de26c
symbol table reporting functions
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parents:
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diff
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|
612 |
|
5adeea5de26c
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parents:
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diff
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|
613 if (uf) |
|
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symbol table reporting functions
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parents:
7756
diff
changeset
|
614 symbol_table::cache_name (uf->scope (), nm); |
|
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|
615 } |
| 6625 | 616 else |
| 617 success = false; | |
| 618 } | |
| 4989 | 619 else |
| 6625 | 620 success = false; |
| 4989 | 621 } |
| 6625 | 622 |
|
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|
623 unwind_protect::run_frame (uwp_frame); |
| 4988 | 624 } |
| 625 else | |
| 626 { | |
| 6625 | 627 std::string octaveroot; |
| 628 std::string fpath; | |
| 629 | |
| 8021 | 630 if (nm.find_first_of ("\n") != std::string::npos) |
| 6225 | 631 { |
| 6625 | 632 size_t pos1 = nm.find_first_of ("\n"); |
| 633 size_t pos2 = nm.find_first_of ("\n", pos1 + 1); | |
| 634 octaveroot = nm.substr (pos1 + 1, pos2 - pos1 - 1); | |
| 635 fpath = nm.substr (pos2 + 1); | |
| 636 nm = nm.substr (0, pos1); | |
| 6225 | 637 } |
| 6625 | 638 |
| 639 success = set_fcn (octaveroot, fpath); | |
| 640 } | |
| 641 | |
| 642 return success; | |
| 4988 | 643 } |
| 644 | |
| 645 #if defined (HAVE_HDF5) | |
| 646 bool | |
| 647 octave_fcn_handle::save_hdf5 (hid_t loc_id, const char *name, | |
| 6625 | 648 bool save_as_floats) |
| 4988 | 649 { |
| 7336 | 650 bool retval = true; |
| 651 | |
| 4988 | 652 hid_t group_hid = -1; |
| 653 group_hid = H5Gcreate (loc_id, name, 0); | |
| 7336 | 654 if (group_hid < 0) |
| 655 return false; | |
| 4988 | 656 |
| 657 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; | |
| 658 | |
| 659 // attach the type of the variable | |
| 660 type_hid = H5Tcopy (H5T_C_S1); | |
| 661 H5Tset_size (type_hid, nm.length () + 1); | |
| 662 if (type_hid < 0) | |
| 663 { | |
| 664 H5Gclose (group_hid); | |
| 665 return false; | |
| 666 } | |
| 667 | |
| 668 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); | |
| 669 hdims[0] = 0; | |
| 670 hdims[1] = 0; | |
| 5760 | 671 space_hid = H5Screate_simple (0 , hdims, 0); |
| 4988 | 672 if (space_hid < 0) |
| 673 { | |
| 674 H5Tclose (type_hid); | |
| 675 H5Gclose (group_hid); | |
| 676 return false; | |
| 677 } | |
| 678 | |
| 679 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); | |
| 680 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, | |
| 5760 | 681 H5P_DEFAULT, nm.c_str ()) < 0) |
| 4988 | 682 { |
| 683 H5Sclose (space_hid); | |
| 684 H5Tclose (type_hid); | |
| 685 H5Gclose (group_hid); | |
| 686 return false; | |
| 687 } | |
| 688 H5Dclose (data_hid); | |
| 689 | |
| 690 if (nm == "@<anonymous>") | |
| 691 { | |
| 5765 | 692 std::ostringstream buf; |
| 4988 | 693 print_raw (buf, true); |
| 5765 | 694 std::string stmp = buf.str (); |
| 4988 | 695 |
| 696 // attach the type of the variable | |
| 697 H5Tset_size (type_hid, stmp.length () + 1); | |
| 698 if (type_hid < 0) | |
| 699 { | |
| 6695 | 700 H5Sclose (space_hid); |
| 4988 | 701 H5Gclose (group_hid); |
| 702 return false; | |
| 703 } | |
| 704 | |
| 705 data_hid = H5Dcreate (group_hid, "fcn", type_hid, space_hid, | |
| 706 H5P_DEFAULT); | |
| 707 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, | |
| 5760 | 708 H5P_DEFAULT, stmp.c_str ()) < 0) |
| 4988 | 709 { |
| 710 H5Sclose (space_hid); | |
| 711 H5Tclose (type_hid); | |
| 712 H5Gclose (group_hid); | |
| 713 return false; | |
| 714 } | |
| 715 | |
| 716 H5Dclose (data_hid); | |
| 6625 | 717 |
| 718 octave_user_function *f = fcn.user_function_value (); | |
| 719 | |
| 7336 | 720 std::list<symbol_table::symbol_record> vars |
|
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scope and context fixes for function handles
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7761
diff
changeset
|
721 = symbol_table::all_variables (f->scope (), 0); |
| 7336 | 722 |
| 723 size_t varlen = vars.size (); | |
| 6625 | 724 |
| 725 if (varlen > 0) | |
| 726 { | |
| 727 hid_t as_id = H5Screate (H5S_SCALAR); | |
| 728 | |
| 729 if (as_id >= 0) | |
| 730 { | |
| 731 hid_t a_id = H5Acreate (group_hid, "SYMBOL_TABLE", | |
| 732 H5T_NATIVE_IDX, as_id, H5P_DEFAULT); | |
| 733 | |
| 734 if (a_id >= 0) | |
| 735 { | |
| 736 retval = (H5Awrite (a_id, H5T_NATIVE_IDX, &varlen) >= 0); | |
| 737 | |
| 738 H5Aclose (a_id); | |
| 739 } | |
| 740 else | |
| 741 retval = false; | |
| 742 | |
| 743 H5Sclose (as_id); | |
| 744 } | |
| 745 else | |
| 746 retval = false; | |
| 747 | |
| 748 data_hid = H5Gcreate (group_hid, "symbol table", 0); | |
| 749 if (data_hid < 0) | |
| 750 { | |
| 751 H5Sclose (space_hid); | |
| 752 H5Tclose (type_hid); | |
| 753 H5Gclose (group_hid); | |
| 754 return false; | |
| 755 } | |
| 756 | |
| 7336 | 757 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
| 758 p != vars.end (); p++) | |
| 6625 | 759 { |
| 7336 | 760 if (! add_hdf5_data (data_hid, p->varval (), p->name (), |
| 6625 | 761 "", false, save_as_floats)) |
| 762 break; | |
| 763 } | |
| 764 H5Gclose (data_hid); | |
| 765 } | |
| 766 } | |
| 767 else | |
| 768 { | |
| 769 std::string octaveroot = OCTAVE_EXEC_PREFIX; | |
|
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diff
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|
770 |
|
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changeset
|
771 octave_function *f = function_value (); |
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diff
changeset
|
772 std::string fpath = f ? f->fcn_file_name () : std::string (); |
| 6625 | 773 |
| 774 H5Sclose (space_hid); | |
| 775 hdims[0] = 1; | |
| 776 hdims[1] = octaveroot.length (); | |
| 777 space_hid = H5Screate_simple (0 , hdims, 0); | |
| 778 if (space_hid < 0) | |
| 779 { | |
| 780 H5Tclose (type_hid); | |
| 781 H5Gclose (group_hid); | |
| 782 return false; | |
| 783 } | |
| 784 | |
| 785 H5Tclose (type_hid); | |
| 786 type_hid = H5Tcopy (H5T_C_S1); | |
| 787 H5Tset_size (type_hid, octaveroot.length () + 1); | |
| 788 | |
| 789 hid_t a_id = H5Acreate (group_hid, "OCTAVEROOT", | |
| 790 type_hid, space_hid, H5P_DEFAULT); | |
| 791 | |
| 792 if (a_id >= 0) | |
| 793 { | |
| 794 retval = (H5Awrite (a_id, type_hid, octaveroot.c_str ()) >= 0); | |
| 795 | |
| 796 H5Aclose (a_id); | |
| 797 } | |
| 798 else | |
| 6695 | 799 { |
| 800 H5Sclose (space_hid); | |
| 801 H5Tclose (type_hid); | |
| 802 H5Gclose (group_hid); | |
| 803 return false; | |
| 804 } | |
| 6625 | 805 |
| 806 H5Sclose (space_hid); | |
| 807 hdims[0] = 1; | |
| 808 hdims[1] = fpath.length (); | |
| 809 space_hid = H5Screate_simple (0 , hdims, 0); | |
| 810 if (space_hid < 0) | |
| 811 { | |
| 812 H5Tclose (type_hid); | |
| 813 H5Gclose (group_hid); | |
| 814 return false; | |
| 815 } | |
| 816 | |
| 817 H5Tclose (type_hid); | |
| 818 type_hid = H5Tcopy (H5T_C_S1); | |
| 819 H5Tset_size (type_hid, fpath.length () + 1); | |
| 820 | |
| 821 a_id = H5Acreate (group_hid, "FILE", type_hid, space_hid, H5P_DEFAULT); | |
| 822 | |
| 823 if (a_id >= 0) | |
| 824 { | |
| 825 retval = (H5Awrite (a_id, type_hid, fpath.c_str ()) >= 0); | |
| 826 | |
| 827 H5Aclose (a_id); | |
| 828 } | |
| 829 else | |
| 830 retval = false; | |
| 4988 | 831 } |
| 832 | |
| 833 H5Sclose (space_hid); | |
| 834 H5Tclose (type_hid); | |
| 835 H5Gclose (group_hid); | |
| 836 | |
| 837 return retval; | |
| 838 } | |
| 839 | |
| 840 bool | |
| 841 octave_fcn_handle::load_hdf5 (hid_t loc_id, const char *name, | |
| 6625 | 842 bool have_h5giterate_bug) |
| 4988 | 843 { |
| 7336 | 844 bool success = true; |
| 845 | |
| 4988 | 846 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; |
| 847 hsize_t rank; | |
| 848 int slen; | |
| 849 | |
| 850 group_hid = H5Gopen (loc_id, name); | |
| 7336 | 851 if (group_hid < 0) |
| 852 return false; | |
| 4988 | 853 |
| 854 data_hid = H5Dopen (group_hid, "nm"); | |
| 855 | |
| 856 if (data_hid < 0) | |
| 857 { | |
| 858 H5Gclose (group_hid); | |
| 859 return false; | |
| 860 } | |
| 861 | |
| 862 type_hid = H5Dget_type (data_hid); | |
| 863 type_class_hid = H5Tget_class (type_hid); | |
| 864 | |
| 865 if (type_class_hid != H5T_STRING) | |
| 866 { | |
| 867 H5Tclose (type_hid); | |
| 868 H5Dclose (data_hid); | |
| 869 H5Gclose (group_hid); | |
| 870 return false; | |
| 871 } | |
| 872 | |
| 873 space_hid = H5Dget_space (data_hid); | |
| 874 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 875 | |
| 876 if (rank != 0) | |
| 877 { | |
| 878 H5Sclose (space_hid); | |
| 879 H5Tclose (type_hid); | |
| 880 H5Dclose (data_hid); | |
| 881 H5Gclose (group_hid); | |
| 882 return false; | |
| 883 } | |
| 884 | |
| 885 slen = H5Tget_size (type_hid); | |
| 886 if (slen < 0) | |
| 887 { | |
| 888 H5Sclose (space_hid); | |
| 889 H5Tclose (type_hid); | |
| 890 H5Dclose (data_hid); | |
| 891 H5Gclose (group_hid); | |
| 892 return false; | |
| 893 } | |
| 894 | |
| 895 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); | |
| 896 | |
| 897 // create datatype for (null-terminated) string to read into: | |
| 898 st_id = H5Tcopy (H5T_C_S1); | |
| 899 H5Tset_size (st_id, slen); | |
| 900 | |
| 5760 | 901 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
| 4988 | 902 { |
| 6695 | 903 H5Tclose (st_id); |
| 4988 | 904 H5Sclose (space_hid); |
| 905 H5Tclose (type_hid); | |
| 6695 | 906 H5Dclose (data_hid); |
| 4988 | 907 H5Gclose (group_hid); |
| 908 return false; | |
| 909 } | |
| 910 H5Tclose (st_id); | |
| 911 H5Dclose (data_hid); | |
| 912 nm = nm_tmp; | |
| 913 | |
| 914 if (nm == "@<anonymous>") | |
| 915 { | |
| 916 data_hid = H5Dopen (group_hid, "fcn"); | |
| 917 | |
| 918 if (data_hid < 0) | |
| 919 { | |
| 6695 | 920 H5Sclose (space_hid); |
| 921 H5Tclose (type_hid); | |
| 4988 | 922 H5Gclose (group_hid); |
| 923 return false; | |
| 924 } | |
| 925 | |
| 6695 | 926 H5Tclose (type_hid); |
| 4988 | 927 type_hid = H5Dget_type (data_hid); |
| 928 type_class_hid = H5Tget_class (type_hid); | |
| 929 | |
| 930 if (type_class_hid != H5T_STRING) | |
| 931 { | |
| 6695 | 932 H5Sclose (space_hid); |
| 4988 | 933 H5Tclose (type_hid); |
| 934 H5Dclose (data_hid); | |
| 935 H5Gclose (group_hid); | |
| 936 return false; | |
| 937 } | |
| 938 | |
| 6695 | 939 H5Sclose (space_hid); |
| 4988 | 940 space_hid = H5Dget_space (data_hid); |
| 941 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 942 | |
| 943 if (rank != 0) | |
| 944 { | |
| 945 H5Sclose (space_hid); | |
| 946 H5Tclose (type_hid); | |
| 947 H5Dclose (data_hid); | |
| 948 H5Gclose (group_hid); | |
| 949 return false; | |
| 950 } | |
| 951 | |
| 952 slen = H5Tget_size (type_hid); | |
| 953 if (slen < 0) | |
| 954 { | |
| 955 H5Sclose (space_hid); | |
| 956 H5Tclose (type_hid); | |
| 957 H5Dclose (data_hid); | |
| 958 H5Gclose (group_hid); | |
| 959 return false; | |
| 960 } | |
| 961 | |
| 962 OCTAVE_LOCAL_BUFFER (char, fcn_tmp, slen); | |
| 963 | |
| 964 // create datatype for (null-terminated) string to read into: | |
| 965 st_id = H5Tcopy (H5T_C_S1); | |
| 966 H5Tset_size (st_id, slen); | |
| 967 | |
| 5760 | 968 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, fcn_tmp) < 0) |
| 4988 | 969 { |
| 6695 | 970 H5Tclose (st_id); |
| 4988 | 971 H5Sclose (space_hid); |
| 972 H5Tclose (type_hid); | |
| 6695 | 973 H5Dclose (data_hid); |
| 4988 | 974 H5Gclose (group_hid); |
| 975 return false; | |
| 976 } | |
| 6695 | 977 H5Tclose (st_id); |
| 4988 | 978 H5Dclose (data_hid); |
| 6625 | 979 |
| 980 octave_idx_type len = 0; | |
| 981 | |
| 982 // we have to pull some shenanigans here to make sure | |
| 983 // HDF5 doesn't print out all sorts of error messages if we | |
| 984 // call H5Aopen for a non-existing attribute | |
| 985 | |
| 986 H5E_auto_t err_func; | |
| 987 void *err_func_data; | |
| 4988 | 988 |
| 6625 | 989 // turn off error reporting temporarily, but save the error |
| 990 // reporting function: | |
| 991 H5Eget_auto (&err_func, &err_func_data); | |
| 992 H5Eset_auto (0, 0); | |
| 993 | |
| 994 hid_t attr_id = H5Aopen_name (group_hid, "SYMBOL_TABLE"); | |
| 4988 | 995 |
| 6625 | 996 if (attr_id >= 0) |
| 997 { | |
| 998 if (H5Aread (attr_id, H5T_NATIVE_IDX, &len) < 0) | |
| 999 success = false; | |
| 1000 | |
| 1001 H5Aclose (attr_id); | |
| 1002 } | |
| 1003 | |
| 1004 // restore error reporting: | |
| 1005 H5Eset_auto (err_func, err_func_data); | |
| 1006 | |
|
9377
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parents:
9343
diff
changeset
|
1007 unwind_protect::frame_id_t uwp_frame = unwind_protect::begin_frame (); |
|
9144
c6463412aebb
eliminate symbol_table::scope_stack; fix scoping issue with evalin
John W. Eaton <jwe@octave.org>
parents:
8946
diff
changeset
|
1008 |
|
c6463412aebb
eliminate symbol_table::scope_stack; fix scoping issue with evalin
John W. Eaton <jwe@octave.org>
parents:
8946
diff
changeset
|
1009 // Set up temporary scope to use for evaluating the text that |
|
c6463412aebb
eliminate symbol_table::scope_stack; fix scoping issue with evalin
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parents:
8946
diff
changeset
|
1010 // defines the anonymous function. |
|
c6463412aebb
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John W. Eaton <jwe@octave.org>
parents:
8946
diff
changeset
|
1011 |
| 7336 | 1012 symbol_table::scope_id local_scope = symbol_table::alloc_scope (); |
|
9396
17af7cce7d1b
yet more unwind_protect improvements
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parents:
9395
diff
changeset
|
1013 unwind_protect::add_fcn (symbol_table::erase_scope, local_scope); |
|
9144
c6463412aebb
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1014 |
|
c6463412aebb
eliminate symbol_table::scope_stack; fix scoping issue with evalin
John W. Eaton <jwe@octave.org>
parents:
8946
diff
changeset
|
1015 symbol_table::set_scope (local_scope); |
|
c6463412aebb
eliminate symbol_table::scope_stack; fix scoping issue with evalin
John W. Eaton <jwe@octave.org>
parents:
8946
diff
changeset
|
1016 |
|
c6463412aebb
eliminate symbol_table::scope_stack; fix scoping issue with evalin
John W. Eaton <jwe@octave.org>
parents:
8946
diff
changeset
|
1017 octave_call_stack::push (local_scope, 0); |
|
9396
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Jaroslav Hajek <highegg@gmail.com>
parents:
9395
diff
changeset
|
1018 unwind_protect::add_fcn (octave_call_stack::pop); |
| 7336 | 1019 |
| 6625 | 1020 if (len > 0 && success) |
| 4989 | 1021 { |
| 6625 | 1022 #ifdef HAVE_H5GGET_NUM_OBJS |
| 1023 hsize_t num_obj = 0; | |
| 1024 data_hid = H5Gopen (group_hid, "symbol table"); | |
| 1025 H5Gget_num_objs (data_hid, &num_obj); | |
| 1026 H5Gclose (data_hid); | |
| 1027 | |
| 1028 if (num_obj != static_cast<hsize_t>(len)) | |
| 1029 { | |
| 1030 error ("load: failed to load anonymous function handle"); | |
| 1031 success = false; | |
| 1032 } | |
| 1033 #endif | |
| 1034 | |
| 1035 if (! error_state) | |
| 1036 { | |
| 1037 hdf5_callback_data dsub; | |
| 1038 int current_item = 0; | |
| 1039 for (octave_idx_type i = 0; i < len; i++) | |
| 1040 { | |
| 1041 if (H5Giterate (group_hid, "symbol table", ¤t_item, | |
| 1042 hdf5_read_next_data, &dsub) <= 0) | |
| 1043 { | |
| 1044 error ("load: failed to load anonymous function handle"); | |
| 1045 success = false; | |
| 1046 break; | |
| 1047 } | |
| 1048 | |
| 1049 if (have_h5giterate_bug) | |
| 1050 current_item++; // H5Giterate returns last index processed | |
| 1051 | |
| 7336 | 1052 symbol_table::varref (dsub.name, local_scope) = dsub.tc; |
| 6625 | 1053 } |
| 1054 } | |
| 1055 } | |
| 1056 | |
| 1057 if (success) | |
| 1058 { | |
| 1059 int parse_status; | |
| 1060 octave_value anon_fcn_handle = | |
| 1061 eval_string (fcn_tmp, true, parse_status); | |
| 1062 | |
| 1063 if (parse_status == 0) | |
| 1064 { | |
| 1065 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); | |
|
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1066 |
| 6625 | 1067 if (fh) |
|
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1068 { |
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1069 fcn = fh->fcn; |
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1070 |
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1071 octave_user_function *uf = fcn.user_function_value (true); |
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1072 |
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1073 if (uf) |
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1074 symbol_table::cache_name (uf->scope (), nm); |
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1075 } |
| 6625 | 1076 else |
| 1077 success = false; | |
| 1078 } | |
| 4989 | 1079 else |
| 6625 | 1080 success = false; |
| 4989 | 1081 } |
| 6625 | 1082 |
|
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1083 unwind_protect::run_frame (uwp_frame); |
| 4988 | 1084 } |
| 1085 else | |
| 1086 { | |
| 6625 | 1087 std::string octaveroot; |
| 1088 std::string fpath; | |
| 1089 | |
| 1090 // we have to pull some shenanigans here to make sure | |
| 1091 // HDF5 doesn't print out all sorts of error messages if we | |
| 1092 // call H5Aopen for a non-existing attribute | |
| 1093 | |
| 1094 H5E_auto_t err_func; | |
| 1095 void *err_func_data; | |
| 1096 | |
| 1097 // turn off error reporting temporarily, but save the error | |
| 1098 // reporting function: | |
| 1099 H5Eget_auto (&err_func, &err_func_data); | |
| 1100 H5Eset_auto (0, 0); | |
| 1101 | |
| 1102 hid_t attr_id = H5Aopen_name (group_hid, "OCTAVEROOT"); | |
| 1103 if (attr_id >= 0) | |
| 6225 | 1104 { |
| 6695 | 1105 H5Tclose (type_hid); |
| 6625 | 1106 type_hid = H5Aget_type (attr_id); |
| 1107 type_class_hid = H5Tget_class (type_hid); | |
| 1108 | |
| 1109 if (type_class_hid != H5T_STRING) | |
| 1110 success = false; | |
| 1111 else | |
| 1112 { | |
| 1113 slen = H5Tget_size (type_hid); | |
| 1114 st_id = H5Tcopy (H5T_C_S1); | |
| 1115 H5Tset_size (st_id, slen); | |
| 1116 OCTAVE_LOCAL_BUFFER (char, root_tmp, slen); | |
| 1117 | |
| 1118 if (H5Aread (attr_id, st_id, root_tmp) < 0) | |
| 1119 success = false; | |
| 1120 else | |
| 1121 octaveroot = root_tmp; | |
| 6695 | 1122 |
| 1123 H5Tclose (st_id); | |
| 6625 | 1124 } |
| 1125 | |
| 1126 H5Aclose (attr_id); | |
| 6225 | 1127 } |
| 6625 | 1128 |
| 6695 | 1129 if (success) |
| 6625 | 1130 { |
| 6695 | 1131 attr_id = H5Aopen_name (group_hid, "FILE"); |
| 1132 if (attr_id >= 0) | |
| 1133 { | |
| 1134 H5Tclose (type_hid); | |
| 1135 type_hid = H5Aget_type (attr_id); | |
| 1136 type_class_hid = H5Tget_class (type_hid); | |
| 6625 | 1137 |
| 6695 | 1138 if (type_class_hid != H5T_STRING) |
| 6625 | 1139 success = false; |
| 1140 else | |
| 6695 | 1141 { |
| 1142 slen = H5Tget_size (type_hid); | |
| 1143 st_id = H5Tcopy (H5T_C_S1); | |
| 1144 H5Tset_size (st_id, slen); | |
| 1145 OCTAVE_LOCAL_BUFFER (char, path_tmp, slen); | |
| 1146 | |
| 1147 if (H5Aread (attr_id, st_id, path_tmp) < 0) | |
| 1148 success = false; | |
| 1149 else | |
| 1150 fpath = path_tmp; | |
| 1151 | |
| 1152 H5Tclose (st_id); | |
| 1153 } | |
| 1154 | |
| 1155 H5Aclose (attr_id); | |
| 6625 | 1156 } |
| 1157 } | |
| 1158 | |
| 1159 // restore error reporting: | |
| 1160 H5Eset_auto (err_func, err_func_data); | |
| 1161 | |
| 1162 success = (success ? set_fcn (octaveroot, fpath) : success); | |
| 4988 | 1163 } |
| 1164 | |
| 6695 | 1165 H5Tclose (type_hid); |
| 1166 H5Sclose (space_hid); | |
| 1167 H5Gclose (group_hid); | |
| 1168 | |
| 6625 | 1169 return success; |
| 4988 | 1170 } |
| 6625 | 1171 |
|
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1172 #endif |
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1173 |
| 6625 | 1174 /* |
| 1175 | |
| 1176 %!test | |
|
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1177 %! a = 2; |
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1178 %! f = @(x) a + x; |
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1179 %! g = @(x) 2 * x; |
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1180 %! hm = @flops; |
|
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1181 %! hdld = @svd; |
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1182 %! hbi = @log2; |
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1183 %! f2 = f; |
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1184 %! g2 = g; |
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1185 %! hm2 = hm; |
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1186 %! hdld2 = hdld; |
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1187 %! hbi2 = hbi; |
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1188 %! modes = {"-text", "-binary"}; |
| 6625 | 1189 %! if (!isempty(findstr(octave_config_info ("DEFS"),"HAVE_HDF5"))) |
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1190 %! modes(end+1) = "-hdf5"; |
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1191 %! endif |
| 7901 | 1192 %! for i = 1:numel (modes) |
| 1193 %! mode = modes{i}; | |
| 6625 | 1194 %! nm = tmpnam(); |
| 1195 %! unwind_protect | |
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1196 %! save (mode, nm, "f2", "g2", "hm2", "hdld2", "hbi2"); |
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1197 %! clear f2 g2 hm2 hdld2 hbi2 |
| 6625 | 1198 %! load (nm); |
| 1199 %! assert (f(2),f2(2)); | |
| 1200 %! assert (g(2),g2(2)); | |
| 1201 %! assert (g(3),g2(3)); | |
| 1202 %! unlink (nm); | |
|
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1203 %! save (mode, nm, "f2", "g2", "hm2", "hdld2", "hbi2"); |
| 6625 | 1204 %! unwind_protect_cleanup |
| 1205 %! unlink (nm); | |
| 1206 %! end_unwind_protect | |
|
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1207 %! endfor |
| 6625 | 1208 |
| 1209 */ | |
| 4988 | 1210 |
| 4343 | 1211 void |
| 1212 octave_fcn_handle::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 1213 { | |
| 1214 print_raw (os, pr_as_read_syntax); | |
| 1215 newline (os); | |
| 1216 } | |
| 1217 | |
| 1218 void | |
| 1219 octave_fcn_handle::print_raw (std::ostream& os, bool pr_as_read_syntax) const | |
| 1220 { | |
| 4980 | 1221 bool printed = false; |
| 1222 | |
| 1223 if (nm == "@<anonymous>") | |
| 1224 { | |
| 1225 tree_print_code tpc (os); | |
| 1226 | |
| 4989 | 1227 // FCN is const because this member function is, so we can't |
| 4980 | 1228 // use it to call user_function_value, so we make a copy first. |
| 1229 | |
| 1230 octave_value ftmp = fcn; | |
| 1231 | |
| 1232 octave_user_function *f = ftmp.user_function_value (); | |
| 1233 | |
| 1234 if (f) | |
| 1235 { | |
| 1236 tree_parameter_list *p = f->parameter_list (); | |
| 1237 | |
| 1238 os << "@("; | |
| 1239 | |
| 1240 if (p) | |
| 1241 p->accept (tpc); | |
| 1242 | |
| 1243 os << ") "; | |
| 1244 | |
| 1245 tree_statement_list *b = f->body (); | |
| 1246 | |
| 1247 if (b) | |
| 1248 { | |
| 1249 assert (b->length () == 1); | |
| 1250 | |
| 1251 tree_statement *s = b->front (); | |
| 1252 | |
| 1253 if (s) | |
| 1254 { | |
| 1255 if (s->is_expression ()) | |
| 1256 { | |
| 1257 tree_expression *e = s->expression (); | |
| 1258 | |
| 1259 if (e) | |
| 6657 | 1260 e->accept (tpc); |
| 4980 | 1261 } |
| 1262 else | |
| 1263 { | |
| 1264 tree_command *c = s->command (); | |
| 1265 | |
| 1266 tpc.suspend_newline (); | |
| 1267 c->accept (tpc); | |
| 1268 tpc.resume_newline (); | |
| 1269 } | |
| 1270 } | |
| 1271 } | |
| 1272 | |
| 1273 printed = true; | |
| 1274 } | |
| 1275 } | |
| 1276 | |
| 1277 if (! printed) | |
| 1278 octave_print_internal (os, nm, pr_as_read_syntax, | |
| 1279 current_print_indent_level ()); | |
| 4343 | 1280 } |
| 1281 | |
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1282 static string_vector |
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1283 get_builtin_classes (void) |
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1284 { |
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1285 // FIXME: this should really be read from somewhere else. |
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1286 static const char *cnames[15] = { |
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1287 "double", |
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1288 "single", |
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1289 "int8", |
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1290 "int16", |
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1291 "int32", |
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1292 "int64", |
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1293 "uint8", |
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1294 "uint16", |
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1295 "uint32", |
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1296 "uint64", |
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1297 "logical", |
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1298 "char", |
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1299 "cell", |
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1300 "struct", |
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1301 "function_handle" |
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1302 }; |
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1303 |
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1304 static string_vector retval; |
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1305 |
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1306 if (retval.is_empty ()) |
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1307 { |
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1308 retval = string_vector (15); |
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1309 for (int i = 0; i < 15; i++) |
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1310 retval(i) = cnames[i]; |
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1311 } |
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1312 |
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1313 return retval; |
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1314 } |
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1315 |
| 4343 | 1316 octave_value |
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1317 make_fcn_handle (const std::string& nm, bool local_funcs) |
| 4343 | 1318 { |
| 1319 octave_value retval; | |
| 1320 | |
|
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1321 // Bow to the god of compatibility. |
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1322 |
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1323 // FIXME -- it seems ugly to put this here, but there is no single |
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1324 // function in the parser that converts from the operator name to |
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1325 // the corresponding function name. At least try to do it without N |
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1326 // string compares. |
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1327 |
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changeset
|
1328 std::string tnm = nm; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1329 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1330 size_t len = nm.length (); |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1331 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1332 if (len == 3 && nm == ".**") |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1333 tnm = "power"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1334 else if (len == 2) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1335 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1336 if (nm[0] == '.') |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1337 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1338 switch (nm[1]) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1339 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1340 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
|
1341 tnm = "transpose"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1342 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1343 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1344 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
|
1345 tnm = "plus"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1346 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1347 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1348 case '-': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1349 tnm = "minus"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1350 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1351 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1352 case '*': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1353 tnm = "times"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1354 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1355 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1356 case '/': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1357 tnm = "rdivide"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1358 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1359 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1360 case '^': |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1361 tnm = "power"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1362 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
|
1363 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1364 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
|
1365 tnm = "ldivide"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1366 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
|
1367 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1368 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1369 else if (nm[1] == '=') |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1370 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1371 switch (nm[0]) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1372 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1373 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
|
1374 tnm = "le"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1375 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
|
1376 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1377 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
|
1378 tnm = "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
|
1379 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
|
1380 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1381 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
|
1382 tnm = "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
|
1383 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
|
1384 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1385 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
|
1386 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
|
1387 tnm = "ne"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1388 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
|
1389 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1390 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1391 else if (nm == "**") |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1392 tnm = "mpower"; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1393 } |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1394 else if (len == 1) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1395 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1396 switch (nm[0]) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1397 { |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1398 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
|
1399 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
|
1400 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
|
1401 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
|
1402 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1403 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
|
1404 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
|
1405 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
|
1406 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1407 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
|
1408 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
|
1409 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
|
1410 |
|
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 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
|
1412 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
|
1413 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
|
1414 |
|
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 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
|
1416 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
|
1417 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
|
1418 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1419 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
|
1420 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
|
1421 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1422 |
|
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 case '^': |
|
9343
70e0d3b1f26f
fix typos in previous change
John W. Eaton <jwe@octave.org>
parents:
9342
diff
changeset
|
1424 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
|
1425 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1426 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1427 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
|
1428 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
|
1429 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1430 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1431 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
|
1432 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
|
1433 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
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9144
diff
changeset
|
1434 |
|
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 case '>': |
|
9343
70e0d3b1f26f
fix typos in previous change
John W. Eaton <jwe@octave.org>
parents:
9342
diff
changeset
|
1436 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
|
1437 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
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9144
diff
changeset
|
1438 |
|
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 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
|
1440 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
|
1441 break; |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1442 |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1443 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
|
1444 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
|
1445 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
|
1446 } |
|
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 } |
|
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 |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1449 bool handle_ok = false; |
|
9463
d34baf412786
support non-local function lookups in str2func
Jaroslav Hajek <highegg@gmail.com>
parents:
9458
diff
changeset
|
1450 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
|
1451 local_funcs); |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1452 |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1453 if (f.is_undefined ()) |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1454 { |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1455 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
|
1456 handle_ok = true; |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1457 else |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1458 { |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1459 load_path::update (); |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1460 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
|
1461 handle_ok = true; |
|
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 } |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1464 else |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1465 handle_ok = true; |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1466 |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1467 octave_function *fptr = f.is_defined () ? f.function_value () : 0; |
| 6481 | 1468 |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1469 |
|
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1470 if (handle_ok) |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1471 { |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1472 // If it's a subfunction, private function, or class constructor, |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1473 // we want no dispatch. |
|
9458
0c7d84a65386
allow taking handles of methods with no base overload
Jaroslav Hajek <highegg@gmail.com>
parents:
9450
diff
changeset
|
1474 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
|
1475 || fptr->is_class_constructor ())) |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1476 retval = octave_value (new octave_fcn_handle (f, tnm)); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1477 else |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1478 { |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1479 typedef octave_fcn_handle::str_ov_map str_ov_map; |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1480 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
|
1481 const string_vector cnames = get_builtin_classes (); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1482 for (octave_idx_type i = 0; i < cnames.length (); i++) |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1483 { |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1484 std::string cnam = cnames(i); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1485 octave_value method = symbol_table::find_method (tnm, cnam); |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1486 if (method.is_defined ()) |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1487 (*disp)[cnam] = method; |
|
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 |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1490 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
|
1491 } |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1492 } |
|
9419
0dd3c7a2ba19
undo escaped change in previous patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9418
diff
changeset
|
1493 else |
|
0dd3c7a2ba19
undo escaped change in previous patch
Jaroslav Hajek <highegg@gmail.com>
parents:
9418
diff
changeset
|
1494 error ("error creating function handle \"@%s\"", nm.c_str ()); |
| 4343 | 1495 |
| 1496 return retval; | |
| 1497 } | |
| 1498 | |
|
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
|
1499 /* |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1500 %!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
|
1501 %! 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
|
1502 %! ".'", "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
|
1503 %! ".+", "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
|
1504 %! ".-", "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
|
1505 %! ".*", "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
|
1506 %! "./", "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
|
1507 %! ".^", "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
|
1508 %! ".\\", "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
|
1509 %! "<=", "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
|
1510 %! "==", "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
|
1511 %! ">=", "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
|
1512 %! "~=", "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
|
1513 %! "!=", "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
|
1514 %! "**", "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
|
1515 %! "~", "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
|
1516 %! "!", "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
|
1517 %! "\'", "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
|
1518 %! "+", "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
|
1519 %! "-", "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
|
1520 %! "*", "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
|
1521 %! "/", "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
|
1522 %! "^", "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
|
1523 %! "\\", "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
|
1524 %! "<", "lt"; |
|
9343
70e0d3b1f26f
fix typos in previous change
John W. Eaton <jwe@octave.org>
parents:
9342
diff
changeset
|
1525 %! ">", "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
|
1526 %! "&", "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
|
1527 %! "|", "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
|
1528 %! for i = 1:rows (x) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1529 %! assert (functions (str2func (x{i,1})).function, x{i,2}) |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1530 %! endfor |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1531 */ |
|
2ca8879a140c
allow function handles to be created from operators that correspond to named functions
John W. Eaton <jwe@octave.org>
parents:
9144
diff
changeset
|
1532 |
| 4933 | 1533 DEFUN (functions, args, , |
| 4343 | 1534 "-*- texinfo -*-\n\ |
| 4933 | 1535 @deftypefn {Built-in Function} {} functions (@var{fcn_handle})\n\ |
| 1536 Return a struct containing information about the function handle\n\ | |
| 1537 @var{fcn_handle}.\n\ | |
| 1538 @end deftypefn") | |
| 4343 | 1539 { |
| 1540 octave_value retval; | |
| 1541 | |
| 4933 | 1542 if (args.length () == 1) |
| 4343 | 1543 { |
| 4933 | 1544 octave_fcn_handle *fh = args(0).fcn_handle_value (); |
| 4343 | 1545 |
| 1546 if (! error_state) | |
| 1547 { | |
|
7744
14b841c47a5f
handle load/save for handles to built-in functions
John W. Eaton <jwe@octave.org>
parents:
7740
diff
changeset
|
1548 octave_function *fcn = fh ? fh->function_value () : 0; |
| 4343 | 1549 |
| 4933 | 1550 if (fcn) |
| 4930 | 1551 { |
| 4933 | 1552 Octave_map m; |
| 4649 | 1553 |
| 4933 | 1554 std::string fh_nm = fh->fcn_name (); |
| 1555 | |
| 6625 | 1556 if (fh_nm == "@<anonymous>") |
| 1557 { | |
| 1558 std::ostringstream buf; | |
| 1559 fh->print_raw (buf); | |
| 1560 m.assign ("function", buf.str ()); | |
| 1561 | |
| 1562 m.assign ("type", "anonymous"); | |
| 1563 } | |
| 1564 else | |
| 1565 { | |
| 1566 m.assign ("function", fh_nm); | |
| 4343 | 1567 |
| 6625 | 1568 if (fcn->is_nested_function ()) |
| 1569 { | |
| 1570 m.assign ("type", "subfunction"); | |
| 1571 Cell parentage (dim_vector (1, 2)); | |
| 1572 parentage.elem(0) = fh_nm; | |
| 1573 parentage.elem(1) = fcn->parent_fcn_name (); | |
|
7756
45de7d8dac72
ov-fcn-handle.cc (Ffunctions): fix structure assignment
John W. Eaton <jwe@octave.org>
parents:
7745
diff
changeset
|
1574 m.assign ("parentage", octave_value (parentage)); |
| 6625 | 1575 } |
|
9450
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
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diff
changeset
|
1576 else if (fh->is_overloaded ()) |
|
cf714e75c656
implement overloaded function handles
Jaroslav Hajek <highegg@gmail.com>
parents:
9419
diff
changeset
|
1577 m.assign ("type", "overloaded"); |
| 6625 | 1578 else |
| 1579 m.assign ("type", "simple"); | |
| 1580 } | |
| 4933 | 1581 |
| 1582 std::string nm = fcn->fcn_file_name (); | |
| 4343 | 1583 |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1584 if (fh_nm == "@<anonymous>") |
| 4935 | 1585 { |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1586 m.assign ("file", nm); |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1587 |
|
71f068b22fcc
scope and context fixes for function handles
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7761
diff
changeset
|
1588 octave_user_function *fu = fh->user_function_value (); |
| 6625 | 1589 |
|
7767
71f068b22fcc
scope and context fixes for function handles
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7761
diff
changeset
|
1590 std::list<symbol_table::symbol_record> vars |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1591 = symbol_table::all_variables (fu->scope (), 0); |
|
71f068b22fcc
scope and context fixes for function handles
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7761
diff
changeset
|
1592 |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1593 size_t varlen = vars.size (); |
| 6625 | 1594 |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1595 if (varlen > 0) |
|
71f068b22fcc
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7761
diff
changeset
|
1596 { |
|
71f068b22fcc
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7761
diff
changeset
|
1597 Octave_map ws; |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1598 for (std::list<symbol_table::symbol_record>::const_iterator p = vars.begin (); |
|
71f068b22fcc
scope and context fixes for function handles
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7761
diff
changeset
|
1599 p != vars.end (); p++) |
| 6625 | 1600 { |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
parents:
7761
diff
changeset
|
1601 ws.assign (p->name (), p->varval (0)); |
| 6625 | 1602 } |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1603 |
|
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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7761
diff
changeset
|
1604 m.assign ("workspace", ws); |
| 6625 | 1605 } |
|
7767
71f068b22fcc
scope and context fixes for function handles
John W. Eaton <jwe@octave.org>
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1606 } |
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1607 else if (fcn->is_user_function () || fcn->is_user_script ()) |
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1608 { |
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1609 octave_function *fu = fh->function_value (); |
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1610 m.assign ("file", fu->fcn_file_name ()); |
| 4935 | 1611 } |
| 4343 | 1612 else |
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1613 m.assign ("file", ""); |
| 4933 | 1614 |
| 1615 retval = m; | |
| 4343 | 1616 } |
| 1617 else | |
| 4933 | 1618 error ("functions: invalid function handle object"); |
| 4343 | 1619 } |
| 1620 else | |
| 4933 | 1621 error ("functions: argument must be a function handle object"); |
| 4343 | 1622 } |
| 1623 else | |
| 5823 | 1624 print_usage (); |
| 4343 | 1625 |
| 1626 return retval; | |
| 1627 } | |
| 1628 | |
| 4933 | 1629 DEFUN (func2str, args, , |
| 4343 | 1630 "-*- texinfo -*-\n\ |
| 4933 | 1631 @deftypefn {Built-in Function} {} func2str (@var{fcn_handle})\n\ |
| 1632 Return a string containing the name of the function referenced by\n\ | |
| 1633 the function handle @var{fcn_handle}.\n\ | |
| 1634 @end deftypefn") | |
| 4343 | 1635 { |
| 1636 octave_value retval; | |
| 1637 | |
| 4933 | 1638 if (args.length () == 1) |
| 4930 | 1639 { |
| 4933 | 1640 octave_fcn_handle *fh = args(0).fcn_handle_value (); |
| 4930 | 1641 |
| 4933 | 1642 if (! error_state && fh) |
| 1643 { | |
| 1644 std::string fh_nm = fh->fcn_name (); | |
| 6416 | 1645 |
| 1646 if (fh_nm == "@<anonymous>") | |
| 1647 { | |
| 1648 std::ostringstream buf; | |
| 1649 | |
| 1650 fh->print_raw (buf); | |
| 1651 | |
| 1652 retval = buf.str (); | |
| 1653 } | |
| 1654 else | |
| 1655 retval = fh_nm; | |
| 4933 | 1656 } |
| 4343 | 1657 else |
| 4933 | 1658 error ("func2str: expecting valid function handle as first argument"); |
| 4343 | 1659 } |
| 1660 else | |
| 5823 | 1661 print_usage (); |
| 4343 | 1662 |
| 1663 return retval; | |
| 1664 } | |
| 1665 | |
| 4933 | 1666 DEFUN (str2func, args, , |
| 4343 | 1667 "-*- texinfo -*-\n\ |
| 4933 | 1668 @deftypefn {Built-in Function} {} str2func (@var{fcn_name})\n\ |
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1669 @deftypefnx {Built-in Function} {} str2func (@var{fcn_name}, \"global\")\n\ |
| 4933 | 1670 Return a function handle constructed from the string @var{fcn_name}.\n\ |
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1671 If the optional \"global\" argument is passed, locally visible functions\n\ |
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1672 are ignored in the lookup.\n\ |
| 4933 | 1673 @end deftypefn") |
| 4343 | 1674 { |
| 1675 octave_value retval; | |
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1676 int nargin = args.length (); |
| 4343 | 1677 |
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1678 if (nargin == 1 || nargin == 2) |
| 4343 | 1679 { |
| 4933 | 1680 std::string nm = args(0).string_value (); |
| 4343 | 1681 |
| 4933 | 1682 if (! error_state) |
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1683 retval = make_fcn_handle (nm, nargin != 2); |
| 4343 | 1684 else |
| 4933 | 1685 error ("str2func: expecting string as first argument"); |
| 4343 | 1686 } |
| 1687 else | |
| 5823 | 1688 print_usage (); |
| 4343 | 1689 |
| 1690 return retval; | |
| 1691 } | |
| 1692 | |
| 1693 /* | |
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1694 %!function y = testrecursionfunc (f, x, n) |
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1695 %! if (nargin < 3) |
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1696 %! n = 0; |
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1697 %! endif |
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1698 %! if (n > 2) |
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1699 %! y = f (x); |
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1700 %! else |
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1701 %! n++; |
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1702 %! y = testrecursionfunc (@(x) f(2*x), x, n); |
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1703 %! endif |
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1704 %!test |
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1705 %! assert (testrecursionfunc (@(x) x, 1), 8); |
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1706 */ |
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1707 |
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1708 /* |
| 4343 | 1709 ;;; Local Variables: *** |
| 1710 ;;; mode: C++ *** | |
| 1711 ;;; End: *** | |
| 1712 */ |