Mercurial > hg > octave-nkf
annotate src/ov-fcn-inline.cc @ 8045:24701aa75ecb
scope fixes for anonymous and inline functions that appear inside subfunctions
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 20 Aug 2008 15:57:14 -0400 |
| parents | 2fd4a5ef6b59 |
| children | 25bc2d31e1bf |
| rev | line source |
|---|---|
| 4933 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 2004, 2005, 2006, 2007 David Bateman |
| 4933 | 4 |
| 7016 | 5 This file is part of Octave. |
| 4933 | 6 |
| 7016 | 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 | |
| 9 Free Software Foundation; either version 3 of the License, or (at your | |
| 10 option) any later version. | |
| 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. | |
| 4933 | 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/>. | |
| 4933 | 20 |
| 21 In addition to the terms of the GPL, you are permitted to link | |
| 22 this program with any Open Source program, as defined by the | |
| 23 Open Source Initiative (www.opensource.org) | |
| 24 | |
| 25 */ | |
| 26 | |
| 27 #ifdef HAVE_CONFIG_H | |
| 28 #include <config.h> | |
| 29 #endif | |
| 30 | |
| 4988 | 31 #include <istream> |
| 4933 | 32 #include <iostream> |
| 5765 | 33 #include <sstream> |
| 5164 | 34 #include <vector> |
| 4933 | 35 |
| 36 #include "defun.h" | |
| 37 #include "error.h" | |
| 38 #include "gripes.h" | |
| 39 #include "oct-map.h" | |
| 40 #include "ov-base.h" | |
| 41 #include "ov-fcn-inline.h" | |
|
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42 #include "ov-usr-fcn.h" |
| 4933 | 43 #include "pr-output.h" |
| 44 #include "variables.h" | |
| 45 #include "parse.h" | |
|
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46 #include "toplev.h" |
| 4933 | 47 |
| 4972 | 48 #include "byte-swap.h" |
| 49 #include "ls-oct-ascii.h" | |
| 50 #include "ls-hdf5.h" | |
| 51 #include "ls-utils.h" | |
| 52 | |
| 4933 | 53 DEFINE_OCTAVE_ALLOCATOR (octave_fcn_inline); |
| 54 | |
| 55 DEFINE_OV_TYPEID_FUNCTIONS_AND_DATA (octave_fcn_inline, | |
| 56 "inline function", | |
| 6220 | 57 "function_handle"); |
| 4933 | 58 |
| 59 octave_fcn_inline::octave_fcn_inline (const std::string& f, | |
| 4973 | 60 const string_vector& a, |
| 4933 | 61 const std::string& n) |
| 5007 | 62 : octave_fcn_handle (n), iftext (f), ifargs (a) |
| 4933 | 63 { |
| 4973 | 64 // Form a string representing the function. |
| 4933 | 65 |
| 5765 | 66 std::ostringstream buf; |
| 4933 | 67 |
| 5007 | 68 buf << "@("; |
| 4933 | 69 |
| 70 for (int i = 0; i < ifargs.length (); i++) | |
| 71 { | |
| 72 if (i > 0) | |
| 73 buf << ", "; | |
| 74 | |
| 75 buf << ifargs(i); | |
| 76 } | |
| 77 | |
| 5765 | 78 buf << ") " << iftext; |
| 4933 | 79 |
| 5007 | 80 int parse_status; |
| 5765 | 81 octave_value anon_fcn_handle = eval_string (buf.str (), true, parse_status); |
| 4933 | 82 |
| 5007 | 83 if (parse_status == 0) |
| 4933 | 84 { |
| 5007 | 85 octave_fcn_handle *fh = anon_fcn_handle.fcn_handle_value (); |
| 4933 | 86 |
| 5007 | 87 if (fh) |
|
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parents:
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diff
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88 { |
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parents:
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89 fcn = fh->fcn_val (); |
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90 |
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91 octave_user_function *uf = fcn.user_function_value (); |
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92 |
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93 if (uf) |
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94 { |
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95 octave_function *curr_fcn = octave_call_stack::current (); |
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96 |
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97 if (curr_fcn) |
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98 { |
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99 symbol_table::scope_id parent_scope |
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parents:
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100 = curr_fcn->parent_fcn_scope (); |
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scope fixes for anonymous and inline functions that appear inside subfunctions
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parents:
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101 |
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scope fixes for anonymous and inline functions that appear inside subfunctions
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parents:
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102 if (parent_scope < 0) |
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scope fixes for anonymous and inline functions that appear inside subfunctions
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parents:
8032
diff
changeset
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103 parent_scope = curr_fcn->scope (); |
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scope fixes for anonymous and inline functions that appear inside subfunctions
John W. Eaton <jwe@octave.org>
parents:
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changeset
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104 |
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scope fixes for anonymous and inline functions that appear inside subfunctions
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
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105 uf->stash_parent_fcn_scope (parent_scope); |
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scope fixes for anonymous and inline functions that appear inside subfunctions
John W. Eaton <jwe@octave.org>
parents:
8032
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changeset
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106 } |
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24701aa75ecb
scope fixes for anonymous and inline functions that appear inside subfunctions
John W. Eaton <jwe@octave.org>
parents:
8032
diff
changeset
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107 } |
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8032
2fd4a5ef6b59
stash parent function scope for inline functions and anonymous function handles.
John W. Eaton <jwe@octave.org>
parents:
7908
diff
changeset
|
108 } |
| 4933 | 109 } |
| 5007 | 110 |
| 111 if (fcn.is_undefined ()) | |
| 4933 | 112 error ("inline: unable to define function"); |
| 113 } | |
| 114 | |
| 6625 | 115 // This function is supplied to allow a Matlab style class structure |
| 116 // to be returned.. | |
| 117 Octave_map | |
| 118 octave_fcn_inline::map_value (void) const | |
| 119 { | |
| 120 Octave_map m; | |
| 121 string_vector args = fcn_arg_names (); | |
| 122 m.assign ("version", octave_value (1.0)); | |
| 123 m.assign ("isEmpty", octave_value (0.0)); | |
| 124 m.assign ("expr", octave_value (fcn_text ())); | |
| 125 m.assign ("numArgs", octave_value (args.length ())); | |
| 126 m.assign ("args", octave_value (args)); | |
| 127 std::ostringstream buf; | |
| 128 for (int i = 0; i < args.length (); i++) | |
| 129 buf << args(i) << " = INLINE_INPUTS_{" << i + 1 << "}; "; | |
| 130 m.assign ("inputExpr", octave_value (buf.str ())); | |
| 131 | |
| 132 return m; | |
| 133 } | |
| 134 | |
| 4972 | 135 bool |
| 6974 | 136 octave_fcn_inline::save_ascii (std::ostream& os) |
| 4972 | 137 { |
| 4973 | 138 os << "# nargs: " << ifargs.length () << "\n"; |
| 4972 | 139 for (int i = 0; i < ifargs.length (); i++) |
| 4973 | 140 os << ifargs(i) << "\n"; |
| 141 if (nm.length () < 1) | |
| 142 // Write an invalid value to flag empty fcn handle name. | |
| 4972 | 143 os << "0\n"; |
| 144 else | |
| 145 os << nm << "\n"; | |
| 146 os << iftext << "\n"; | |
| 147 return true; | |
| 148 } | |
| 149 | |
| 150 bool | |
| 151 octave_fcn_inline::load_ascii (std::istream& is) | |
| 152 { | |
| 153 int nargs; | |
| 154 if (extract_keyword (is, "nargs", nargs, true)) | |
| 155 { | |
| 156 ifargs.resize (nargs); | |
| 157 for (int i = 0; i < nargs; i++) | |
| 4973 | 158 is >> ifargs(i); |
| 4972 | 159 is >> nm; |
| 160 if (nm == "0") | |
| 161 nm = ""; | |
| 4988 | 162 |
| 163 char c; | |
| 5765 | 164 std::ostringstream buf; |
| 4988 | 165 |
| 166 // Skip preceeding newline(s) | |
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167 while (is.get (c) && c == '\n') |
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|
168 /* do nothing */; |
| 4988 | 169 |
| 170 if (is) | |
| 171 { | |
| 172 buf << c; | |
| 173 | |
| 174 // Get a line of text whitespace characters included, leaving | |
| 175 // newline in the stream | |
| 176 while (is.peek () != '\n') | |
| 177 { | |
| 178 is.get (c); | |
| 179 if (! is) | |
| 180 break; | |
| 181 buf << c; | |
| 182 } | |
| 183 } | |
| 184 | |
| 5765 | 185 iftext = buf.str (); |
| 4972 | 186 |
| 187 octave_fcn_inline tmp (iftext, ifargs, nm); | |
| 188 fcn = tmp.fcn; | |
| 189 | |
| 190 return true; | |
| 191 } | |
| 192 else | |
| 193 return false; | |
| 194 } | |
| 195 | |
| 4973 | 196 bool |
| 4972 | 197 octave_fcn_inline::save_binary (std::ostream& os, bool&) |
| 198 { | |
| 5828 | 199 int32_t tmp = ifargs.length (); |
| 5760 | 200 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 201 for (int i = 0; i < ifargs.length (); i++) |
| 4972 | 202 { |
| 4973 | 203 tmp = ifargs(i).length (); |
| 5760 | 204 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 205 os.write (ifargs(i).c_str (), ifargs(i).length ()); |
| 4972 | 206 } |
| 4973 | 207 tmp = nm.length (); |
| 5760 | 208 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 209 os.write (nm.c_str (), nm.length ()); |
| 210 tmp = iftext.length (); | |
| 5760 | 211 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 212 os.write (iftext.c_str (), iftext.length ()); |
| 4972 | 213 return true; |
| 214 } | |
| 215 | |
| 4973 | 216 bool |
| 4972 | 217 octave_fcn_inline::load_binary (std::istream& is, bool swap, |
| 218 oct_mach_info::float_format) | |
| 219 { | |
| 5828 | 220 int32_t nargs; |
| 5760 | 221 if (! is.read (reinterpret_cast<char *> (&nargs), 4)) |
| 4972 | 222 return false; |
| 223 if (swap) | |
| 224 swap_bytes<4> (&nargs); | |
| 225 | |
| 226 if (nargs < 1) | |
| 227 return false; | |
| 228 else | |
| 229 { | |
| 5828 | 230 int32_t tmp; |
| 4973 | 231 ifargs.resize (nargs); |
| 4972 | 232 for (int i = 0; i < nargs; i++) |
| 233 { | |
| 5760 | 234 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 235 return false; |
| 236 if (swap) | |
| 237 swap_bytes<4> (&tmp); | |
| 238 | |
| 239 OCTAVE_LOCAL_BUFFER (char, ctmp, tmp+1); | |
| 240 is.read (ctmp, tmp); | |
| 241 ifargs(i) = std::string (ctmp); | |
| 242 | |
| 243 if (! is) | |
| 244 return false; | |
| 4973 | 245 } |
| 4972 | 246 |
| 5760 | 247 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 248 return false; |
| 249 if (swap) | |
| 250 swap_bytes<4> (&tmp); | |
| 251 | |
| 252 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1); | |
| 253 is.read (ctmp1, tmp); | |
| 254 nm = std::string (ctmp1); | |
| 255 | |
| 256 if (! is) | |
| 257 return false; | |
| 258 | |
| 5760 | 259 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 260 return false; |
| 261 if (swap) | |
| 262 swap_bytes<4> (&tmp); | |
| 263 | |
| 264 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1); | |
| 265 is.read (ctmp2, tmp); | |
| 266 iftext = std::string (ctmp2); | |
| 267 | |
| 268 if (! is) | |
| 269 return false; | |
| 270 | |
| 271 octave_fcn_inline ftmp (iftext, ifargs, nm); | |
| 272 fcn = ftmp.fcn; | |
| 273 } | |
| 274 return true; | |
| 275 } | |
| 276 | |
| 277 #if defined (HAVE_HDF5) | |
| 278 bool | |
| 279 octave_fcn_inline::save_hdf5 (hid_t loc_id, const char *name, | |
| 280 bool /* save_as_floats */) | |
| 281 { | |
| 282 hid_t group_hid = -1; | |
| 283 group_hid = H5Gcreate (loc_id, name, 0); | |
| 284 if (group_hid < 0 ) return false; | |
| 285 | |
| 286 size_t len = 0; | |
| 4973 | 287 for (int i = 0; i < ifargs.length (); i++) |
| 288 if (len < ifargs(i).length ()) | |
| 289 len = ifargs(i).length (); | |
| 4972 | 290 |
| 291 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; | |
| 292 bool retval = true; | |
| 293 | |
| 5775 | 294 // FIXME Is there a better way of saving string vectors, than a |
| 4972 | 295 // null padded matrix? |
| 296 | |
| 297 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); | |
| 298 | |
| 299 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 4973 | 300 hdims[1] = ifargs.length (); |
| 4972 | 301 hdims[0] = len + 1; |
| 302 | |
| 303 space_hid = H5Screate_simple (2, hdims, 0); | |
| 304 if (space_hid < 0) | |
| 305 { | |
| 306 H5Gclose (group_hid); | |
| 307 return false; | |
| 308 } | |
| 309 | |
| 4973 | 310 data_hid = H5Dcreate (group_hid, "args", H5T_NATIVE_CHAR, space_hid, |
| 4972 | 311 H5P_DEFAULT); |
| 312 if (data_hid < 0) | |
| 313 { | |
| 314 H5Sclose (space_hid); | |
| 315 H5Gclose (group_hid); | |
| 316 return false; | |
| 317 } | |
| 318 | |
| 4973 | 319 OCTAVE_LOCAL_BUFFER (char, s, ifargs.length () * (len + 1)); |
| 4972 | 320 |
| 321 // Save the args as a null teminated list | |
| 4973 | 322 for (int i = 0; i < ifargs.length (); i++) |
| 4972 | 323 { |
| 4973 | 324 const char * cptr = ifargs(i).c_str (); |
| 325 for (size_t j = 0; j < ifargs(i).length (); j++) | |
| 4972 | 326 s[i*(len+1)+j] = *cptr++; |
| 4973 | 327 s[ifargs(i).length ()] = '\0'; |
| 4972 | 328 } |
| 329 | |
| 4973 | 330 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
| 4972 | 331 H5P_DEFAULT, s) >= 0; |
| 332 | |
| 333 H5Dclose (data_hid); | |
| 334 H5Sclose (space_hid); | |
| 335 | |
| 336 if (!retval) | |
| 337 { | |
| 338 H5Gclose (group_hid); | |
| 339 return false; | |
| 4973 | 340 } |
| 4972 | 341 |
| 342 // attach the type of the variable | |
| 4973 | 343 type_hid = H5Tcopy (H5T_C_S1); |
| 4972 | 344 H5Tset_size (type_hid, nm.length () + 1); |
| 345 if (type_hid < 0) | |
| 346 { | |
| 347 H5Gclose (group_hid); | |
| 348 return false; | |
| 4973 | 349 } |
| 4972 | 350 |
| 351 hdims[0] = 0; | |
| 5760 | 352 space_hid = H5Screate_simple (0 , hdims, 0); |
| 4972 | 353 if (space_hid < 0) |
| 354 { | |
| 355 H5Tclose (type_hid); | |
| 356 H5Gclose (group_hid); | |
| 357 return false; | |
| 4973 | 358 } |
| 4972 | 359 |
| 360 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); | |
| 4973 | 361 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 362 H5P_DEFAULT, nm.c_str ()) < 0) |
| 4972 | 363 { |
| 364 H5Sclose (space_hid); | |
| 365 H5Tclose (type_hid); | |
| 366 H5Gclose (group_hid); | |
| 367 return false; | |
| 4973 | 368 } |
| 4972 | 369 H5Dclose (data_hid); |
| 370 | |
| 371 // attach the type of the variable | |
| 372 H5Tset_size (type_hid, iftext.length () + 1); | |
| 373 if (type_hid < 0) | |
| 374 { | |
| 375 H5Gclose (group_hid); | |
| 376 return false; | |
| 4973 | 377 } |
| 4972 | 378 |
| 4973 | 379 data_hid = H5Dcreate (group_hid, "iftext", type_hid, space_hid, |
| 4972 | 380 H5P_DEFAULT); |
| 4973 | 381 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 382 H5P_DEFAULT, iftext.c_str ()) < 0) |
| 4972 | 383 { |
| 384 H5Sclose (space_hid); | |
| 385 H5Tclose (type_hid); | |
| 386 H5Gclose (group_hid); | |
| 387 return false; | |
| 4973 | 388 } |
| 4972 | 389 |
| 390 H5Dclose (data_hid); | |
| 4988 | 391 H5Sclose (space_hid); |
| 392 H5Tclose (type_hid); | |
| 393 H5Gclose (group_hid); | |
| 4972 | 394 |
| 395 return retval; | |
| 396 } | |
| 397 | |
| 398 bool | |
| 399 octave_fcn_inline::load_hdf5 (hid_t loc_id, const char *name, | |
| 4973 | 400 bool /* have_h5giterate_bug */) |
| 4972 | 401 { |
| 402 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; | |
| 403 hsize_t rank; | |
| 404 int slen; | |
| 405 | |
| 406 group_hid = H5Gopen (loc_id, name); | |
| 407 if (group_hid < 0 ) return false; | |
| 408 | |
| 409 data_hid = H5Dopen (group_hid, "args"); | |
| 410 space_hid = H5Dget_space (data_hid); | |
| 411 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 412 | |
| 413 if (rank != 2) | |
| 4973 | 414 { |
| 4972 | 415 H5Dclose (data_hid); |
| 416 H5Sclose (space_hid); | |
| 417 H5Gclose (group_hid); | |
| 418 return false; | |
| 419 } | |
| 420 | |
| 421 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 422 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 423 | |
| 424 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 425 | |
| 4973 | 426 ifargs.resize (hdims[1]); |
| 4972 | 427 |
| 428 OCTAVE_LOCAL_BUFFER (char, s1, hdims[0] * hdims[1]); | |
| 429 | |
| 4973 | 430 if (H5Dread (data_hid, H5T_NATIVE_UCHAR, H5S_ALL, H5S_ALL, |
| 4972 | 431 H5P_DEFAULT, s1) < 0) |
| 4973 | 432 { |
| 4972 | 433 H5Dclose (data_hid); |
| 434 H5Sclose (space_hid); | |
| 435 H5Gclose (group_hid); | |
| 436 return false; | |
| 437 } | |
| 438 | |
| 439 H5Dclose (data_hid); | |
| 440 H5Sclose (space_hid); | |
| 441 | |
| 442 for (size_t i = 0; i < hdims[1]; i++) | |
| 443 ifargs(i) = std::string (s1 + i*hdims[0]); | |
| 444 | |
| 445 data_hid = H5Dopen (group_hid, "nm"); | |
| 446 | |
| 447 if (data_hid < 0) | |
| 448 { | |
| 449 H5Gclose (group_hid); | |
| 450 return false; | |
| 451 } | |
| 452 | |
| 453 type_hid = H5Dget_type (data_hid); | |
| 454 type_class_hid = H5Tget_class (type_hid); | |
| 455 | |
| 456 if (type_class_hid != H5T_STRING) | |
| 457 { | |
| 458 H5Tclose (type_hid); | |
| 459 H5Dclose (data_hid); | |
| 460 H5Gclose (group_hid); | |
| 461 return false; | |
| 462 } | |
| 4973 | 463 |
| 4972 | 464 space_hid = H5Dget_space (data_hid); |
| 465 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 466 | |
| 467 if (rank != 0) | |
| 468 { | |
| 469 H5Sclose (space_hid); | |
| 470 H5Tclose (type_hid); | |
| 471 H5Dclose (data_hid); | |
| 472 H5Gclose (group_hid); | |
| 473 return false; | |
| 474 } | |
| 475 | |
| 476 slen = H5Tget_size (type_hid); | |
| 477 if (slen < 0) | |
| 478 { | |
| 479 H5Sclose (space_hid); | |
| 480 H5Tclose (type_hid); | |
| 481 H5Dclose (data_hid); | |
| 482 H5Gclose (group_hid); | |
| 483 return false; | |
| 484 } | |
| 485 | |
| 486 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); | |
| 487 | |
| 488 // create datatype for (null-terminated) string to read into: | |
| 489 st_id = H5Tcopy (H5T_C_S1); | |
| 490 H5Tset_size (st_id, slen); | |
| 491 | |
| 5760 | 492 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
| 4972 | 493 { |
| 494 H5Sclose (space_hid); | |
| 495 H5Tclose (type_hid); | |
| 496 H5Gclose (group_hid); | |
| 497 return false; | |
| 498 } | |
| 499 H5Tclose (st_id); | |
| 500 H5Dclose (data_hid); | |
| 501 nm = nm_tmp; | |
| 502 | |
| 503 data_hid = H5Dopen (group_hid, "iftext"); | |
| 504 | |
| 505 if (data_hid < 0) | |
| 506 { | |
| 507 H5Gclose (group_hid); | |
| 508 return false; | |
| 509 } | |
| 510 | |
| 511 type_hid = H5Dget_type (data_hid); | |
| 512 type_class_hid = H5Tget_class (type_hid); | |
| 513 | |
| 514 if (type_class_hid != H5T_STRING) | |
| 515 { | |
| 516 H5Tclose (type_hid); | |
| 517 H5Dclose (data_hid); | |
| 518 H5Gclose (group_hid); | |
| 519 return false; | |
| 520 } | |
| 4973 | 521 |
| 4972 | 522 space_hid = H5Dget_space (data_hid); |
| 523 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 524 | |
| 525 if (rank != 0) | |
| 526 { | |
| 527 H5Sclose (space_hid); | |
| 528 H5Tclose (type_hid); | |
| 529 H5Dclose (data_hid); | |
| 530 H5Gclose (group_hid); | |
| 531 return false; | |
| 532 } | |
| 533 | |
| 534 slen = H5Tget_size (type_hid); | |
| 535 if (slen < 0) | |
| 536 { | |
| 537 H5Sclose (space_hid); | |
| 538 H5Tclose (type_hid); | |
| 539 H5Dclose (data_hid); | |
| 540 H5Gclose (group_hid); | |
| 541 return false; | |
| 542 } | |
| 543 | |
| 544 OCTAVE_LOCAL_BUFFER (char, iftext_tmp, slen); | |
| 545 | |
| 546 // create datatype for (null-terminated) string to read into: | |
| 547 st_id = H5Tcopy (H5T_C_S1); | |
| 548 H5Tset_size (st_id, slen); | |
| 549 | |
| 5760 | 550 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, iftext_tmp) < 0) |
| 4972 | 551 { |
| 552 H5Sclose (space_hid); | |
| 553 H5Tclose (type_hid); | |
| 554 H5Gclose (group_hid); | |
| 555 return false; | |
| 556 } | |
| 557 H5Tclose (st_id); | |
| 558 H5Dclose (data_hid); | |
| 559 iftext = iftext_tmp; | |
| 560 | |
| 561 octave_fcn_inline ftmp (iftext, ifargs, nm); | |
| 562 fcn = ftmp.fcn; | |
| 563 | |
| 564 return true; | |
| 565 } | |
| 566 #endif | |
| 567 | |
| 4933 | 568 void |
| 569 octave_fcn_inline::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 570 { | |
| 571 print_raw (os, pr_as_read_syntax); | |
| 572 newline (os); | |
| 573 } | |
| 574 | |
| 575 void | |
| 576 octave_fcn_inline::print_raw (std::ostream& os, bool pr_as_read_syntax) const | |
| 577 { | |
| 5765 | 578 std::ostringstream buf; |
| 4933 | 579 |
| 580 if (nm.empty ()) | |
| 581 buf << "f("; | |
| 582 else | |
| 583 buf << nm << "("; | |
| 584 | |
| 585 for (int i = 0; i < ifargs.length (); i++) | |
| 586 { | |
| 587 if (i) | |
| 588 buf << ", "; | |
| 589 | |
| 590 buf << ifargs(i); | |
| 591 } | |
| 592 | |
| 5765 | 593 buf << ") = " << iftext; |
| 4933 | 594 |
| 5765 | 595 octave_print_internal (os, buf.str (), pr_as_read_syntax, |
| 4933 | 596 current_print_indent_level ()); |
| 597 } | |
| 598 | |
| 599 octave_value | |
| 5279 | 600 octave_fcn_inline::convert_to_str_internal (bool, bool, char type) const |
| 4933 | 601 { |
| 5279 | 602 return octave_value (fcn_text (), type); |
| 4933 | 603 } |
| 604 | |
| 6973 | 605 DEFUNX ("inline", Finline, args, , |
| 4933 | 606 "-*- texinfo -*-\n\ |
| 607 @deftypefn {Built-in Function} {} inline (@var{str})\n\ | |
| 6547 | 608 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{arg1}, @dots{})\n\ |
| 4933 | 609 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{n})\n\ |
| 610 Create an inline function from the character string @var{str}.\n\ | |
| 5034 | 611 If called with a single argument, the arguments of the generated\n\ |
| 612 function are extracted from the function itself. The generated\n\ | |
| 613 function arguments will then be in alphabetical order. It should\n\ | |
| 614 be noted that i, and j are ignored as arguments due to the\n\ | |
| 615 ambiguity between their use as a variable or their use as an inbuilt\n\ | |
| 7001 | 616 constant. All arguments followed by a parenthesis are considered\n\ |
| 5034 | 617 to be functions.\n\ |
| 4933 | 618 \n\ |
| 619 If the second and subsequent arguments are character strings,\n\ | |
| 620 they are the names of the arguments of the function.\n\ | |
| 621 \n\ | |
| 622 If the second argument is an integer @var{n}, the arguments are\n\ | |
| 623 @code{\"x\"}, @code{\"P1\"}, @dots{}, @code{\"P@var{N}\"}.\n\ | |
| 5642 | 624 @seealso{argnames, formula, vectorize}\n\ |
| 625 @end deftypefn") | |
| 4933 | 626 { |
| 627 octave_value retval; | |
| 628 | |
| 629 int nargin = args.length (); | |
| 630 | |
| 631 if (nargin > 0) | |
| 632 { | |
| 633 std::string fun = args(0).string_value (); | |
| 634 | |
| 635 if (! error_state) | |
| 636 { | |
| 637 string_vector fargs; | |
| 638 | |
| 639 if (nargin == 1) | |
| 640 { | |
| 5034 | 641 bool is_arg = false; |
| 5037 | 642 bool in_string = false; |
| 5034 | 643 std::string tmp_arg; |
| 644 size_t i = 0; | |
| 645 | |
| 646 while (i < fun.length ()) | |
| 647 { | |
| 5037 | 648 bool terminate_arg = false; |
| 5034 | 649 char c = fun[i++]; |
| 4933 | 650 |
| 5037 | 651 if (in_string) |
| 652 { | |
| 653 if (c == '\'' || c == '\"') | |
| 654 in_string = false; | |
| 655 } | |
| 656 else if (c == '\'' || c == '\"') | |
| 657 { | |
| 658 in_string = true; | |
| 659 if (is_arg) | |
| 660 terminate_arg = true; | |
| 661 } | |
| 662 else if (! isalpha (c) && c != '_') | |
| 5034 | 663 if (! is_arg) |
| 664 continue; | |
| 665 else if (isdigit (c)) | |
| 5037 | 666 tmp_arg.append (1, c); |
| 5034 | 667 else |
| 668 { | |
| 5037 | 669 // Before we do anything remove trailing whitespaces. |
| 5034 | 670 while (i < fun.length () && isspace (c)) |
| 671 c = fun[i++]; | |
| 5037 | 672 |
| 5034 | 673 // Do we have a variable or a function? |
| 674 if (c != '(') | |
| 5037 | 675 terminate_arg = true; |
| 676 else | |
| 5034 | 677 { |
| 5037 | 678 tmp_arg = std::string (); |
| 679 is_arg = false; | |
| 5034 | 680 } |
| 681 } | |
| 682 else | |
| 683 { | |
| 684 tmp_arg.append (1, c); | |
| 685 is_arg = true; | |
| 5037 | 686 } |
| 5034 | 687 |
| 5037 | 688 if (terminate_arg || (i == fun.length () && is_arg)) |
| 689 { | |
| 690 bool have_arg = false; | |
| 691 | |
| 692 for (int j = 0; j < fargs.length (); j++) | |
| 693 if (tmp_arg == fargs (j)) | |
| 694 { | |
| 695 have_arg = true; | |
| 696 break; | |
| 697 } | |
| 5034 | 698 |
|
7764
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|
699 if (! have_arg && tmp_arg != "i" && tmp_arg != "j" && |
|
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diff
changeset
|
700 tmp_arg != "NaN" && tmp_arg != "nan" && |
|
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parents:
7394
diff
changeset
|
701 tmp_arg != "Inf" && tmp_arg != "inf" && |
|
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|
702 tmp_arg != "NA" && tmp_arg != "pi" && |
|
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David Bateman <dbateman@free.fr>
parents:
7394
diff
changeset
|
703 tmp_arg != "eps") |
| 5037 | 704 fargs.append (tmp_arg); |
| 705 | |
| 706 tmp_arg = std::string (); | |
| 707 is_arg = false; | |
| 5022 | 708 } |
| 709 } | |
| 5034 | 710 |
| 5037 | 711 // Sort the arguments into ascii order. |
| 5034 | 712 fargs.qsort (); |
| 4933 | 713 } |
| 714 else if (nargin == 2 && args(1).is_numeric_type ()) | |
| 715 { | |
| 716 int n = args(1).int_value (); | |
| 717 | |
| 718 if (! error_state) | |
| 719 { | |
| 720 if (n >= 0) | |
| 721 { | |
| 722 fargs.resize (n+1); | |
| 723 | |
| 724 fargs(0) = "x"; | |
| 725 | |
| 726 for (int i = 1; i < n+1; i++) | |
| 727 { | |
| 5765 | 728 std::ostringstream buf; |
| 729 buf << "P" << i; | |
| 730 fargs(i) = buf.str (); | |
| 4933 | 731 } |
| 732 } | |
| 733 else | |
| 734 { | |
| 735 error ("inline: numeric argument must be nonnegative"); | |
| 736 return retval; | |
| 737 } | |
| 738 } | |
| 739 else | |
| 740 { | |
| 741 error ("inline: expecting second argument to be an integer"); | |
| 742 return retval; | |
| 743 } | |
| 744 } | |
| 745 else | |
| 746 { | |
| 747 fargs.resize (nargin - 1); | |
| 748 | |
| 749 for (int i = 1; i < nargin; i++) | |
| 750 { | |
| 751 std::string s = args(i).string_value (); | |
| 752 | |
| 753 if (! error_state) | |
| 754 fargs(i-1) = s; | |
| 755 else | |
| 756 { | |
| 757 error ("inline: expecting string arguments"); | |
| 758 return retval; | |
| 759 } | |
| 760 } | |
| 761 } | |
| 762 | |
| 763 retval = octave_value (new octave_fcn_inline (fun, fargs)); | |
| 764 } | |
| 765 else | |
| 766 error ("inline: first argument must be a string"); | |
| 767 } | |
| 768 else | |
| 5823 | 769 print_usage (); |
| 4933 | 770 |
| 771 return retval; | |
| 772 } | |
| 773 | |
| 7394 | 774 /* |
| 775 %!shared fn | |
| 776 %! fn = inline ("x.^2 + 1","x"); | |
| 777 %!assert (feval (fn, 6), 37) | |
| 778 %!assert (fn (6), 37) | |
| 779 */ | |
| 780 | |
| 4933 | 781 DEFUN (formula, args, , |
| 782 "-*- texinfo -*-\n\ | |
| 783 @deftypefn {Built-in Function} {} formula (@var{fun})\n\ | |
| 784 Return a character string representing the inline function @var{fun}.\n\ | |
| 785 Note that @code{char (@var{fun})} is equivalent to\n\ | |
| 786 @code{formula (@var{fun})}.\n\ | |
| 5642 | 787 @seealso{argnames, inline, vectorize}\n\ |
| 788 @end deftypefn") | |
| 4933 | 789 { |
| 790 octave_value retval; | |
| 791 | |
| 792 int nargin = args.length (); | |
| 793 | |
| 794 if (nargin == 1) | |
| 795 { | |
| 796 octave_fcn_inline* fn = args(0).fcn_inline_value (true); | |
| 797 | |
| 798 if (fn) | |
| 799 retval = octave_value (fn->fcn_text ()); | |
| 800 else | |
| 801 error ("formula: must be an inline function"); | |
| 802 } | |
| 803 else | |
| 5823 | 804 print_usage (); |
| 4933 | 805 |
| 806 return retval; | |
| 807 } | |
| 808 | |
| 809 DEFUN (argnames, args, , | |
| 810 "-*- texinfo -*-\n\ | |
| 811 @deftypefn {Built-in Function} {} argnames (@var{fun})\n\ | |
| 812 Return a cell array of character strings containing the names of\n\ | |
| 813 the arguments of the inline function @var{fun}.\n\ | |
| 6529 | 814 @seealso{inline, formula, vectorize}\n\ |
| 5642 | 815 @end deftypefn") |
| 4933 | 816 { |
| 817 octave_value retval; | |
| 818 | |
| 819 int nargin = args.length (); | |
| 820 | |
| 821 if (nargin == 1) | |
| 822 { | |
| 823 octave_fcn_inline *fn = args(0).fcn_inline_value (true); | |
| 824 | |
| 825 if (fn) | |
| 826 { | |
| 827 string_vector t1 = fn->fcn_arg_names (); | |
| 828 | |
| 829 Cell t2 (dim_vector (t1.length (), 1)); | |
| 830 | |
| 831 for (int i = 0; i < t1.length (); i++) | |
| 832 t2(i) = t1(i); | |
| 833 | |
| 834 retval = t2; | |
| 835 } | |
| 836 else | |
| 837 error ("argnames: argument must be an inline function"); | |
| 838 } | |
| 839 else | |
| 5823 | 840 print_usage (); |
| 4933 | 841 |
| 842 return retval; | |
| 843 } | |
| 844 | |
| 845 DEFUN (vectorize, args, , | |
| 846 "-*- texinfo -*-\n\ | |
| 6635 | 847 @deftypefn {Built-in Function} {} vectorize (@var{fun})\n\ |
| 4933 | 848 Create a vectorized version of the inline function @var{fun}\n\ |
| 849 by replacing all occurrences of @code{*}, @code{/}, etc., with\n\ | |
| 850 @code{.*}, @code{./}, etc.\n\ | |
| 5642 | 851 @end deftypefn") |
| 4933 | 852 { |
| 853 octave_value retval; | |
| 854 | |
| 855 int nargin = args.length (); | |
| 856 | |
| 857 if (nargin == 1) | |
| 858 { | |
| 5409 | 859 std::string old_func; |
| 860 octave_fcn_inline* old = 0; | |
| 861 bool func_is_string = true; | |
| 4933 | 862 |
| 5409 | 863 if (args(0).is_string ()) |
| 864 old_func = args(0).string_value (); | |
| 865 else | |
| 4933 | 866 { |
| 5409 | 867 old = args(0).fcn_inline_value (true); |
| 868 func_is_string = false; | |
| 869 | |
| 870 if (old) | |
| 871 old_func = old->fcn_text (); | |
| 872 else | |
| 873 error ("vectorize: must be a string or inline function"); | |
| 874 } | |
| 875 | |
| 876 if (! error_state) | |
| 877 { | |
| 4933 | 878 std::string new_func; |
| 879 size_t i = 0; | |
| 880 | |
| 881 while (i < old_func.length ()) | |
| 882 { | |
| 883 std::string t1 = old_func.substr (i, 1); | |
| 884 | |
| 885 if (t1 == "*" || t1 == "/" || t1 == "\\" || t1 == "^") | |
| 886 { | |
| 887 if (i && old_func.substr (i-1, 1) != ".") | |
| 888 new_func.append ("."); | |
| 889 | |
| 890 // Special case for ** operator. | |
| 4973 | 891 if (t1 == "*" && i < (old_func.length () - 1) |
| 4933 | 892 && old_func.substr (i+1, 1) == "*") |
| 893 { | |
| 894 new_func.append ("*"); | |
| 895 i++; | |
| 896 } | |
| 897 } | |
| 898 new_func.append (t1); | |
| 899 i++; | |
| 900 } | |
| 901 | |
| 5409 | 902 if (func_is_string) |
| 903 retval = octave_value (new_func); | |
| 904 else | |
| 905 retval = octave_value (new octave_fcn_inline | |
| 906 (new_func, old->fcn_arg_names ())); | |
| 4933 | 907 } |
| 908 } | |
| 909 else | |
| 5823 | 910 print_usage (); |
| 4933 | 911 |
| 912 return retval; | |
| 913 } | |
| 914 | |
| 915 /* | |
| 916 ;;; Local Variables: *** | |
| 917 ;;; mode: C++ *** | |
| 918 ;;; End: *** | |
| 919 */ |