Mercurial > hg > octave-nkf
annotate src/ov-fcn-inline.cc @ 8032:2fd4a5ef6b59
stash parent function scope for inline functions and anonymous function handles.
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 12 Aug 2008 16:26:53 -0400 |
| parents | 47a18b8c9000 |
| children | 24701aa75ecb |
| 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" | |
|
8032
2fd4a5ef6b59
stash parent function scope for inline functions and anonymous function handles.
John W. Eaton <jwe@octave.org>
parents:
7908
diff
changeset
|
42 #include "ov-usr-fcn.h" |
| 4933 | 43 #include "pr-output.h" |
| 44 #include "variables.h" | |
| 45 #include "parse.h" | |
|
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stash parent function scope for inline functions and anonymous function handles.
John W. Eaton <jwe@octave.org>
parents:
7908
diff
changeset
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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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stash parent function scope for inline functions and anonymous function handles.
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parents:
7908
diff
changeset
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88 { |
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parents:
7908
diff
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|
89 fcn = fh->fcn_val (); |
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parents:
7908
diff
changeset
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90 |
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parents:
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91 octave_user_function *uf = fcn.user_function_value (); |
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parents:
7908
diff
changeset
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92 |
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parents:
7908
diff
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93 if (uf) |
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parents:
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94 uf->stash_parent_fcn_scope (octave_call_stack::current_scope ()); |
|
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stash parent function scope for inline functions and anonymous function handles.
John W. Eaton <jwe@octave.org>
parents:
7908
diff
changeset
|
95 } |
| 4933 | 96 } |
| 5007 | 97 |
| 98 if (fcn.is_undefined ()) | |
| 4933 | 99 error ("inline: unable to define function"); |
| 100 } | |
| 101 | |
| 6625 | 102 // This function is supplied to allow a Matlab style class structure |
| 103 // to be returned.. | |
| 104 Octave_map | |
| 105 octave_fcn_inline::map_value (void) const | |
| 106 { | |
| 107 Octave_map m; | |
| 108 string_vector args = fcn_arg_names (); | |
| 109 m.assign ("version", octave_value (1.0)); | |
| 110 m.assign ("isEmpty", octave_value (0.0)); | |
| 111 m.assign ("expr", octave_value (fcn_text ())); | |
| 112 m.assign ("numArgs", octave_value (args.length ())); | |
| 113 m.assign ("args", octave_value (args)); | |
| 114 std::ostringstream buf; | |
| 115 for (int i = 0; i < args.length (); i++) | |
| 116 buf << args(i) << " = INLINE_INPUTS_{" << i + 1 << "}; "; | |
| 117 m.assign ("inputExpr", octave_value (buf.str ())); | |
| 118 | |
| 119 return m; | |
| 120 } | |
| 121 | |
| 4972 | 122 bool |
| 6974 | 123 octave_fcn_inline::save_ascii (std::ostream& os) |
| 4972 | 124 { |
| 4973 | 125 os << "# nargs: " << ifargs.length () << "\n"; |
| 4972 | 126 for (int i = 0; i < ifargs.length (); i++) |
| 4973 | 127 os << ifargs(i) << "\n"; |
| 128 if (nm.length () < 1) | |
| 129 // Write an invalid value to flag empty fcn handle name. | |
| 4972 | 130 os << "0\n"; |
| 131 else | |
| 132 os << nm << "\n"; | |
| 133 os << iftext << "\n"; | |
| 134 return true; | |
| 135 } | |
| 136 | |
| 137 bool | |
| 138 octave_fcn_inline::load_ascii (std::istream& is) | |
| 139 { | |
| 140 int nargs; | |
| 141 if (extract_keyword (is, "nargs", nargs, true)) | |
| 142 { | |
| 143 ifargs.resize (nargs); | |
| 144 for (int i = 0; i < nargs; i++) | |
| 4973 | 145 is >> ifargs(i); |
| 4972 | 146 is >> nm; |
| 147 if (nm == "0") | |
| 148 nm = ""; | |
| 4988 | 149 |
| 150 char c; | |
| 5765 | 151 std::ostringstream buf; |
| 4988 | 152 |
| 153 // Skip preceeding newline(s) | |
|
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John W. Eaton <jwe@octave.org>
parents:
7764
diff
changeset
|
154 while (is.get (c) && c == '\n') |
|
47a18b8c9000
ov-fcn-inline.cc (octave_fcn_inline::load_ascii): Avoid GCC warning
John W. Eaton <jwe@octave.org>
parents:
7764
diff
changeset
|
155 /* do nothing */; |
| 4988 | 156 |
| 157 if (is) | |
| 158 { | |
| 159 buf << c; | |
| 160 | |
| 161 // Get a line of text whitespace characters included, leaving | |
| 162 // newline in the stream | |
| 163 while (is.peek () != '\n') | |
| 164 { | |
| 165 is.get (c); | |
| 166 if (! is) | |
| 167 break; | |
| 168 buf << c; | |
| 169 } | |
| 170 } | |
| 171 | |
| 5765 | 172 iftext = buf.str (); |
| 4972 | 173 |
| 174 octave_fcn_inline tmp (iftext, ifargs, nm); | |
| 175 fcn = tmp.fcn; | |
| 176 | |
| 177 return true; | |
| 178 } | |
| 179 else | |
| 180 return false; | |
| 181 } | |
| 182 | |
| 4973 | 183 bool |
| 4972 | 184 octave_fcn_inline::save_binary (std::ostream& os, bool&) |
| 185 { | |
| 5828 | 186 int32_t tmp = ifargs.length (); |
| 5760 | 187 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 188 for (int i = 0; i < ifargs.length (); i++) |
| 4972 | 189 { |
| 4973 | 190 tmp = ifargs(i).length (); |
| 5760 | 191 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 192 os.write (ifargs(i).c_str (), ifargs(i).length ()); |
| 4972 | 193 } |
| 4973 | 194 tmp = nm.length (); |
| 5760 | 195 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 196 os.write (nm.c_str (), nm.length ()); |
| 197 tmp = iftext.length (); | |
| 5760 | 198 os.write (reinterpret_cast<char *> (&tmp), 4); |
| 4973 | 199 os.write (iftext.c_str (), iftext.length ()); |
| 4972 | 200 return true; |
| 201 } | |
| 202 | |
| 4973 | 203 bool |
| 4972 | 204 octave_fcn_inline::load_binary (std::istream& is, bool swap, |
| 205 oct_mach_info::float_format) | |
| 206 { | |
| 5828 | 207 int32_t nargs; |
| 5760 | 208 if (! is.read (reinterpret_cast<char *> (&nargs), 4)) |
| 4972 | 209 return false; |
| 210 if (swap) | |
| 211 swap_bytes<4> (&nargs); | |
| 212 | |
| 213 if (nargs < 1) | |
| 214 return false; | |
| 215 else | |
| 216 { | |
| 5828 | 217 int32_t tmp; |
| 4973 | 218 ifargs.resize (nargs); |
| 4972 | 219 for (int i = 0; i < nargs; i++) |
| 220 { | |
| 5760 | 221 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 222 return false; |
| 223 if (swap) | |
| 224 swap_bytes<4> (&tmp); | |
| 225 | |
| 226 OCTAVE_LOCAL_BUFFER (char, ctmp, tmp+1); | |
| 227 is.read (ctmp, tmp); | |
| 228 ifargs(i) = std::string (ctmp); | |
| 229 | |
| 230 if (! is) | |
| 231 return false; | |
| 4973 | 232 } |
| 4972 | 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, ctmp1, tmp+1); | |
| 240 is.read (ctmp1, tmp); | |
| 241 nm = std::string (ctmp1); | |
| 242 | |
| 243 if (! is) | |
| 244 return false; | |
| 245 | |
| 5760 | 246 if (! is.read (reinterpret_cast<char *> (&tmp), 4)) |
| 4972 | 247 return false; |
| 248 if (swap) | |
| 249 swap_bytes<4> (&tmp); | |
| 250 | |
| 251 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1); | |
| 252 is.read (ctmp2, tmp); | |
| 253 iftext = std::string (ctmp2); | |
| 254 | |
| 255 if (! is) | |
| 256 return false; | |
| 257 | |
| 258 octave_fcn_inline ftmp (iftext, ifargs, nm); | |
| 259 fcn = ftmp.fcn; | |
| 260 } | |
| 261 return true; | |
| 262 } | |
| 263 | |
| 264 #if defined (HAVE_HDF5) | |
| 265 bool | |
| 266 octave_fcn_inline::save_hdf5 (hid_t loc_id, const char *name, | |
| 267 bool /* save_as_floats */) | |
| 268 { | |
| 269 hid_t group_hid = -1; | |
| 270 group_hid = H5Gcreate (loc_id, name, 0); | |
| 271 if (group_hid < 0 ) return false; | |
| 272 | |
| 273 size_t len = 0; | |
| 4973 | 274 for (int i = 0; i < ifargs.length (); i++) |
| 275 if (len < ifargs(i).length ()) | |
| 276 len = ifargs(i).length (); | |
| 4972 | 277 |
| 278 hid_t space_hid = -1, data_hid = -1, type_hid = -1;; | |
| 279 bool retval = true; | |
| 280 | |
| 5775 | 281 // FIXME Is there a better way of saving string vectors, than a |
| 4972 | 282 // null padded matrix? |
| 283 | |
| 284 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, 2); | |
| 285 | |
| 286 // Octave uses column-major, while HDF5 uses row-major ordering | |
| 4973 | 287 hdims[1] = ifargs.length (); |
| 4972 | 288 hdims[0] = len + 1; |
| 289 | |
| 290 space_hid = H5Screate_simple (2, hdims, 0); | |
| 291 if (space_hid < 0) | |
| 292 { | |
| 293 H5Gclose (group_hid); | |
| 294 return false; | |
| 295 } | |
| 296 | |
| 4973 | 297 data_hid = H5Dcreate (group_hid, "args", H5T_NATIVE_CHAR, space_hid, |
| 4972 | 298 H5P_DEFAULT); |
| 299 if (data_hid < 0) | |
| 300 { | |
| 301 H5Sclose (space_hid); | |
| 302 H5Gclose (group_hid); | |
| 303 return false; | |
| 304 } | |
| 305 | |
| 4973 | 306 OCTAVE_LOCAL_BUFFER (char, s, ifargs.length () * (len + 1)); |
| 4972 | 307 |
| 308 // Save the args as a null teminated list | |
| 4973 | 309 for (int i = 0; i < ifargs.length (); i++) |
| 4972 | 310 { |
| 4973 | 311 const char * cptr = ifargs(i).c_str (); |
| 312 for (size_t j = 0; j < ifargs(i).length (); j++) | |
| 4972 | 313 s[i*(len+1)+j] = *cptr++; |
| 4973 | 314 s[ifargs(i).length ()] = '\0'; |
| 4972 | 315 } |
| 316 | |
| 4973 | 317 retval = H5Dwrite (data_hid, H5T_NATIVE_CHAR, H5S_ALL, H5S_ALL, |
| 4972 | 318 H5P_DEFAULT, s) >= 0; |
| 319 | |
| 320 H5Dclose (data_hid); | |
| 321 H5Sclose (space_hid); | |
| 322 | |
| 323 if (!retval) | |
| 324 { | |
| 325 H5Gclose (group_hid); | |
| 326 return false; | |
| 4973 | 327 } |
| 4972 | 328 |
| 329 // attach the type of the variable | |
| 4973 | 330 type_hid = H5Tcopy (H5T_C_S1); |
| 4972 | 331 H5Tset_size (type_hid, nm.length () + 1); |
| 332 if (type_hid < 0) | |
| 333 { | |
| 334 H5Gclose (group_hid); | |
| 335 return false; | |
| 4973 | 336 } |
| 4972 | 337 |
| 338 hdims[0] = 0; | |
| 5760 | 339 space_hid = H5Screate_simple (0 , hdims, 0); |
| 4972 | 340 if (space_hid < 0) |
| 341 { | |
| 342 H5Tclose (type_hid); | |
| 343 H5Gclose (group_hid); | |
| 344 return false; | |
| 4973 | 345 } |
| 4972 | 346 |
| 347 data_hid = H5Dcreate (group_hid, "nm", type_hid, space_hid, H5P_DEFAULT); | |
| 4973 | 348 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 349 H5P_DEFAULT, nm.c_str ()) < 0) |
| 4972 | 350 { |
| 351 H5Sclose (space_hid); | |
| 352 H5Tclose (type_hid); | |
| 353 H5Gclose (group_hid); | |
| 354 return false; | |
| 4973 | 355 } |
| 4972 | 356 H5Dclose (data_hid); |
| 357 | |
| 358 // attach the type of the variable | |
| 359 H5Tset_size (type_hid, iftext.length () + 1); | |
| 360 if (type_hid < 0) | |
| 361 { | |
| 362 H5Gclose (group_hid); | |
| 363 return false; | |
| 4973 | 364 } |
| 4972 | 365 |
| 4973 | 366 data_hid = H5Dcreate (group_hid, "iftext", type_hid, space_hid, |
| 4972 | 367 H5P_DEFAULT); |
| 4973 | 368 if (data_hid < 0 || H5Dwrite (data_hid, type_hid, H5S_ALL, H5S_ALL, |
| 5760 | 369 H5P_DEFAULT, iftext.c_str ()) < 0) |
| 4972 | 370 { |
| 371 H5Sclose (space_hid); | |
| 372 H5Tclose (type_hid); | |
| 373 H5Gclose (group_hid); | |
| 374 return false; | |
| 4973 | 375 } |
| 4972 | 376 |
| 377 H5Dclose (data_hid); | |
| 4988 | 378 H5Sclose (space_hid); |
| 379 H5Tclose (type_hid); | |
| 380 H5Gclose (group_hid); | |
| 4972 | 381 |
| 382 return retval; | |
| 383 } | |
| 384 | |
| 385 bool | |
| 386 octave_fcn_inline::load_hdf5 (hid_t loc_id, const char *name, | |
| 4973 | 387 bool /* have_h5giterate_bug */) |
| 4972 | 388 { |
| 389 hid_t group_hid, data_hid, space_hid, type_hid, type_class_hid, st_id; | |
| 390 hsize_t rank; | |
| 391 int slen; | |
| 392 | |
| 393 group_hid = H5Gopen (loc_id, name); | |
| 394 if (group_hid < 0 ) return false; | |
| 395 | |
| 396 data_hid = H5Dopen (group_hid, "args"); | |
| 397 space_hid = H5Dget_space (data_hid); | |
| 398 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 399 | |
| 400 if (rank != 2) | |
| 4973 | 401 { |
| 4972 | 402 H5Dclose (data_hid); |
| 403 H5Sclose (space_hid); | |
| 404 H5Gclose (group_hid); | |
| 405 return false; | |
| 406 } | |
| 407 | |
| 408 OCTAVE_LOCAL_BUFFER (hsize_t, hdims, rank); | |
| 409 OCTAVE_LOCAL_BUFFER (hsize_t, maxdims, rank); | |
| 410 | |
| 411 H5Sget_simple_extent_dims (space_hid, hdims, maxdims); | |
| 412 | |
| 4973 | 413 ifargs.resize (hdims[1]); |
| 4972 | 414 |
| 415 OCTAVE_LOCAL_BUFFER (char, s1, hdims[0] * hdims[1]); | |
| 416 | |
| 4973 | 417 if (H5Dread (data_hid, H5T_NATIVE_UCHAR, H5S_ALL, H5S_ALL, |
| 4972 | 418 H5P_DEFAULT, s1) < 0) |
| 4973 | 419 { |
| 4972 | 420 H5Dclose (data_hid); |
| 421 H5Sclose (space_hid); | |
| 422 H5Gclose (group_hid); | |
| 423 return false; | |
| 424 } | |
| 425 | |
| 426 H5Dclose (data_hid); | |
| 427 H5Sclose (space_hid); | |
| 428 | |
| 429 for (size_t i = 0; i < hdims[1]; i++) | |
| 430 ifargs(i) = std::string (s1 + i*hdims[0]); | |
| 431 | |
| 432 data_hid = H5Dopen (group_hid, "nm"); | |
| 433 | |
| 434 if (data_hid < 0) | |
| 435 { | |
| 436 H5Gclose (group_hid); | |
| 437 return false; | |
| 438 } | |
| 439 | |
| 440 type_hid = H5Dget_type (data_hid); | |
| 441 type_class_hid = H5Tget_class (type_hid); | |
| 442 | |
| 443 if (type_class_hid != H5T_STRING) | |
| 444 { | |
| 445 H5Tclose (type_hid); | |
| 446 H5Dclose (data_hid); | |
| 447 H5Gclose (group_hid); | |
| 448 return false; | |
| 449 } | |
| 4973 | 450 |
| 4972 | 451 space_hid = H5Dget_space (data_hid); |
| 452 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 453 | |
| 454 if (rank != 0) | |
| 455 { | |
| 456 H5Sclose (space_hid); | |
| 457 H5Tclose (type_hid); | |
| 458 H5Dclose (data_hid); | |
| 459 H5Gclose (group_hid); | |
| 460 return false; | |
| 461 } | |
| 462 | |
| 463 slen = H5Tget_size (type_hid); | |
| 464 if (slen < 0) | |
| 465 { | |
| 466 H5Sclose (space_hid); | |
| 467 H5Tclose (type_hid); | |
| 468 H5Dclose (data_hid); | |
| 469 H5Gclose (group_hid); | |
| 470 return false; | |
| 471 } | |
| 472 | |
| 473 OCTAVE_LOCAL_BUFFER (char, nm_tmp, slen); | |
| 474 | |
| 475 // create datatype for (null-terminated) string to read into: | |
| 476 st_id = H5Tcopy (H5T_C_S1); | |
| 477 H5Tset_size (st_id, slen); | |
| 478 | |
| 5760 | 479 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, nm_tmp) < 0) |
| 4972 | 480 { |
| 481 H5Sclose (space_hid); | |
| 482 H5Tclose (type_hid); | |
| 483 H5Gclose (group_hid); | |
| 484 return false; | |
| 485 } | |
| 486 H5Tclose (st_id); | |
| 487 H5Dclose (data_hid); | |
| 488 nm = nm_tmp; | |
| 489 | |
| 490 data_hid = H5Dopen (group_hid, "iftext"); | |
| 491 | |
| 492 if (data_hid < 0) | |
| 493 { | |
| 494 H5Gclose (group_hid); | |
| 495 return false; | |
| 496 } | |
| 497 | |
| 498 type_hid = H5Dget_type (data_hid); | |
| 499 type_class_hid = H5Tget_class (type_hid); | |
| 500 | |
| 501 if (type_class_hid != H5T_STRING) | |
| 502 { | |
| 503 H5Tclose (type_hid); | |
| 504 H5Dclose (data_hid); | |
| 505 H5Gclose (group_hid); | |
| 506 return false; | |
| 507 } | |
| 4973 | 508 |
| 4972 | 509 space_hid = H5Dget_space (data_hid); |
| 510 rank = H5Sget_simple_extent_ndims (space_hid); | |
| 511 | |
| 512 if (rank != 0) | |
| 513 { | |
| 514 H5Sclose (space_hid); | |
| 515 H5Tclose (type_hid); | |
| 516 H5Dclose (data_hid); | |
| 517 H5Gclose (group_hid); | |
| 518 return false; | |
| 519 } | |
| 520 | |
| 521 slen = H5Tget_size (type_hid); | |
| 522 if (slen < 0) | |
| 523 { | |
| 524 H5Sclose (space_hid); | |
| 525 H5Tclose (type_hid); | |
| 526 H5Dclose (data_hid); | |
| 527 H5Gclose (group_hid); | |
| 528 return false; | |
| 529 } | |
| 530 | |
| 531 OCTAVE_LOCAL_BUFFER (char, iftext_tmp, slen); | |
| 532 | |
| 533 // create datatype for (null-terminated) string to read into: | |
| 534 st_id = H5Tcopy (H5T_C_S1); | |
| 535 H5Tset_size (st_id, slen); | |
| 536 | |
| 5760 | 537 if (H5Dread (data_hid, st_id, H5S_ALL, H5S_ALL, H5P_DEFAULT, iftext_tmp) < 0) |
| 4972 | 538 { |
| 539 H5Sclose (space_hid); | |
| 540 H5Tclose (type_hid); | |
| 541 H5Gclose (group_hid); | |
| 542 return false; | |
| 543 } | |
| 544 H5Tclose (st_id); | |
| 545 H5Dclose (data_hid); | |
| 546 iftext = iftext_tmp; | |
| 547 | |
| 548 octave_fcn_inline ftmp (iftext, ifargs, nm); | |
| 549 fcn = ftmp.fcn; | |
| 550 | |
| 551 return true; | |
| 552 } | |
| 553 #endif | |
| 554 | |
| 4933 | 555 void |
| 556 octave_fcn_inline::print (std::ostream& os, bool pr_as_read_syntax) const | |
| 557 { | |
| 558 print_raw (os, pr_as_read_syntax); | |
| 559 newline (os); | |
| 560 } | |
| 561 | |
| 562 void | |
| 563 octave_fcn_inline::print_raw (std::ostream& os, bool pr_as_read_syntax) const | |
| 564 { | |
| 5765 | 565 std::ostringstream buf; |
| 4933 | 566 |
| 567 if (nm.empty ()) | |
| 568 buf << "f("; | |
| 569 else | |
| 570 buf << nm << "("; | |
| 571 | |
| 572 for (int i = 0; i < ifargs.length (); i++) | |
| 573 { | |
| 574 if (i) | |
| 575 buf << ", "; | |
| 576 | |
| 577 buf << ifargs(i); | |
| 578 } | |
| 579 | |
| 5765 | 580 buf << ") = " << iftext; |
| 4933 | 581 |
| 5765 | 582 octave_print_internal (os, buf.str (), pr_as_read_syntax, |
| 4933 | 583 current_print_indent_level ()); |
| 584 } | |
| 585 | |
| 586 octave_value | |
| 5279 | 587 octave_fcn_inline::convert_to_str_internal (bool, bool, char type) const |
| 4933 | 588 { |
| 5279 | 589 return octave_value (fcn_text (), type); |
| 4933 | 590 } |
| 591 | |
| 6973 | 592 DEFUNX ("inline", Finline, args, , |
| 4933 | 593 "-*- texinfo -*-\n\ |
| 594 @deftypefn {Built-in Function} {} inline (@var{str})\n\ | |
| 6547 | 595 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{arg1}, @dots{})\n\ |
| 4933 | 596 @deftypefnx {Built-in Function} {} inline (@var{str}, @var{n})\n\ |
| 597 Create an inline function from the character string @var{str}.\n\ | |
| 5034 | 598 If called with a single argument, the arguments of the generated\n\ |
| 599 function are extracted from the function itself. The generated\n\ | |
| 600 function arguments will then be in alphabetical order. It should\n\ | |
| 601 be noted that i, and j are ignored as arguments due to the\n\ | |
| 602 ambiguity between their use as a variable or their use as an inbuilt\n\ | |
| 7001 | 603 constant. All arguments followed by a parenthesis are considered\n\ |
| 5034 | 604 to be functions.\n\ |
| 4933 | 605 \n\ |
| 606 If the second and subsequent arguments are character strings,\n\ | |
| 607 they are the names of the arguments of the function.\n\ | |
| 608 \n\ | |
| 609 If the second argument is an integer @var{n}, the arguments are\n\ | |
| 610 @code{\"x\"}, @code{\"P1\"}, @dots{}, @code{\"P@var{N}\"}.\n\ | |
| 5642 | 611 @seealso{argnames, formula, vectorize}\n\ |
| 612 @end deftypefn") | |
| 4933 | 613 { |
| 614 octave_value retval; | |
| 615 | |
| 616 int nargin = args.length (); | |
| 617 | |
| 618 if (nargin > 0) | |
| 619 { | |
| 620 std::string fun = args(0).string_value (); | |
| 621 | |
| 622 if (! error_state) | |
| 623 { | |
| 624 string_vector fargs; | |
| 625 | |
| 626 if (nargin == 1) | |
| 627 { | |
| 5034 | 628 bool is_arg = false; |
| 5037 | 629 bool in_string = false; |
| 5034 | 630 std::string tmp_arg; |
| 631 size_t i = 0; | |
| 632 | |
| 633 while (i < fun.length ()) | |
| 634 { | |
| 5037 | 635 bool terminate_arg = false; |
| 5034 | 636 char c = fun[i++]; |
| 4933 | 637 |
| 5037 | 638 if (in_string) |
| 639 { | |
| 640 if (c == '\'' || c == '\"') | |
| 641 in_string = false; | |
| 642 } | |
| 643 else if (c == '\'' || c == '\"') | |
| 644 { | |
| 645 in_string = true; | |
| 646 if (is_arg) | |
| 647 terminate_arg = true; | |
| 648 } | |
| 649 else if (! isalpha (c) && c != '_') | |
| 5034 | 650 if (! is_arg) |
| 651 continue; | |
| 652 else if (isdigit (c)) | |
| 5037 | 653 tmp_arg.append (1, c); |
| 5034 | 654 else |
| 655 { | |
| 5037 | 656 // Before we do anything remove trailing whitespaces. |
| 5034 | 657 while (i < fun.length () && isspace (c)) |
| 658 c = fun[i++]; | |
| 5037 | 659 |
| 5034 | 660 // Do we have a variable or a function? |
| 661 if (c != '(') | |
| 5037 | 662 terminate_arg = true; |
| 663 else | |
| 5034 | 664 { |
| 5037 | 665 tmp_arg = std::string (); |
| 666 is_arg = false; | |
| 5034 | 667 } |
| 668 } | |
| 669 else | |
| 670 { | |
| 671 tmp_arg.append (1, c); | |
| 672 is_arg = true; | |
| 5037 | 673 } |
| 5034 | 674 |
| 5037 | 675 if (terminate_arg || (i == fun.length () && is_arg)) |
| 676 { | |
| 677 bool have_arg = false; | |
| 678 | |
| 679 for (int j = 0; j < fargs.length (); j++) | |
| 680 if (tmp_arg == fargs (j)) | |
| 681 { | |
| 682 have_arg = true; | |
| 683 break; | |
| 684 } | |
| 5034 | 685 |
|
7764
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David Bateman <dbateman@free.fr>
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7394
diff
changeset
|
686 if (! have_arg && tmp_arg != "i" && tmp_arg != "j" && |
|
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David Bateman <dbateman@free.fr>
parents:
7394
diff
changeset
|
687 tmp_arg != "NaN" && tmp_arg != "nan" && |
|
aaa808ed5d53
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David Bateman <dbateman@free.fr>
parents:
7394
diff
changeset
|
688 tmp_arg != "Inf" && tmp_arg != "inf" && |
|
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David Bateman <dbateman@free.fr>
parents:
7394
diff
changeset
|
689 tmp_arg != "NA" && tmp_arg != "pi" && |
|
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David Bateman <dbateman@free.fr>
parents:
7394
diff
changeset
|
690 tmp_arg != "eps") |
| 5037 | 691 fargs.append (tmp_arg); |
| 692 | |
| 693 tmp_arg = std::string (); | |
| 694 is_arg = false; | |
| 5022 | 695 } |
| 696 } | |
| 5034 | 697 |
| 5037 | 698 // Sort the arguments into ascii order. |
| 5034 | 699 fargs.qsort (); |
| 4933 | 700 } |
| 701 else if (nargin == 2 && args(1).is_numeric_type ()) | |
| 702 { | |
| 703 int n = args(1).int_value (); | |
| 704 | |
| 705 if (! error_state) | |
| 706 { | |
| 707 if (n >= 0) | |
| 708 { | |
| 709 fargs.resize (n+1); | |
| 710 | |
| 711 fargs(0) = "x"; | |
| 712 | |
| 713 for (int i = 1; i < n+1; i++) | |
| 714 { | |
| 5765 | 715 std::ostringstream buf; |
| 716 buf << "P" << i; | |
| 717 fargs(i) = buf.str (); | |
| 4933 | 718 } |
| 719 } | |
| 720 else | |
| 721 { | |
| 722 error ("inline: numeric argument must be nonnegative"); | |
| 723 return retval; | |
| 724 } | |
| 725 } | |
| 726 else | |
| 727 { | |
| 728 error ("inline: expecting second argument to be an integer"); | |
| 729 return retval; | |
| 730 } | |
| 731 } | |
| 732 else | |
| 733 { | |
| 734 fargs.resize (nargin - 1); | |
| 735 | |
| 736 for (int i = 1; i < nargin; i++) | |
| 737 { | |
| 738 std::string s = args(i).string_value (); | |
| 739 | |
| 740 if (! error_state) | |
| 741 fargs(i-1) = s; | |
| 742 else | |
| 743 { | |
| 744 error ("inline: expecting string arguments"); | |
| 745 return retval; | |
| 746 } | |
| 747 } | |
| 748 } | |
| 749 | |
| 750 retval = octave_value (new octave_fcn_inline (fun, fargs)); | |
| 751 } | |
| 752 else | |
| 753 error ("inline: first argument must be a string"); | |
| 754 } | |
| 755 else | |
| 5823 | 756 print_usage (); |
| 4933 | 757 |
| 758 return retval; | |
| 759 } | |
| 760 | |
| 7394 | 761 /* |
| 762 %!shared fn | |
| 763 %! fn = inline ("x.^2 + 1","x"); | |
| 764 %!assert (feval (fn, 6), 37) | |
| 765 %!assert (fn (6), 37) | |
| 766 */ | |
| 767 | |
| 4933 | 768 DEFUN (formula, args, , |
| 769 "-*- texinfo -*-\n\ | |
| 770 @deftypefn {Built-in Function} {} formula (@var{fun})\n\ | |
| 771 Return a character string representing the inline function @var{fun}.\n\ | |
| 772 Note that @code{char (@var{fun})} is equivalent to\n\ | |
| 773 @code{formula (@var{fun})}.\n\ | |
| 5642 | 774 @seealso{argnames, inline, vectorize}\n\ |
| 775 @end deftypefn") | |
| 4933 | 776 { |
| 777 octave_value retval; | |
| 778 | |
| 779 int nargin = args.length (); | |
| 780 | |
| 781 if (nargin == 1) | |
| 782 { | |
| 783 octave_fcn_inline* fn = args(0).fcn_inline_value (true); | |
| 784 | |
| 785 if (fn) | |
| 786 retval = octave_value (fn->fcn_text ()); | |
| 787 else | |
| 788 error ("formula: must be an inline function"); | |
| 789 } | |
| 790 else | |
| 5823 | 791 print_usage (); |
| 4933 | 792 |
| 793 return retval; | |
| 794 } | |
| 795 | |
| 796 DEFUN (argnames, args, , | |
| 797 "-*- texinfo -*-\n\ | |
| 798 @deftypefn {Built-in Function} {} argnames (@var{fun})\n\ | |
| 799 Return a cell array of character strings containing the names of\n\ | |
| 800 the arguments of the inline function @var{fun}.\n\ | |
| 6529 | 801 @seealso{inline, formula, vectorize}\n\ |
| 5642 | 802 @end deftypefn") |
| 4933 | 803 { |
| 804 octave_value retval; | |
| 805 | |
| 806 int nargin = args.length (); | |
| 807 | |
| 808 if (nargin == 1) | |
| 809 { | |
| 810 octave_fcn_inline *fn = args(0).fcn_inline_value (true); | |
| 811 | |
| 812 if (fn) | |
| 813 { | |
| 814 string_vector t1 = fn->fcn_arg_names (); | |
| 815 | |
| 816 Cell t2 (dim_vector (t1.length (), 1)); | |
| 817 | |
| 818 for (int i = 0; i < t1.length (); i++) | |
| 819 t2(i) = t1(i); | |
| 820 | |
| 821 retval = t2; | |
| 822 } | |
| 823 else | |
| 824 error ("argnames: argument must be an inline function"); | |
| 825 } | |
| 826 else | |
| 5823 | 827 print_usage (); |
| 4933 | 828 |
| 829 return retval; | |
| 830 } | |
| 831 | |
| 832 DEFUN (vectorize, args, , | |
| 833 "-*- texinfo -*-\n\ | |
| 6635 | 834 @deftypefn {Built-in Function} {} vectorize (@var{fun})\n\ |
| 4933 | 835 Create a vectorized version of the inline function @var{fun}\n\ |
| 836 by replacing all occurrences of @code{*}, @code{/}, etc., with\n\ | |
| 837 @code{.*}, @code{./}, etc.\n\ | |
| 5642 | 838 @end deftypefn") |
| 4933 | 839 { |
| 840 octave_value retval; | |
| 841 | |
| 842 int nargin = args.length (); | |
| 843 | |
| 844 if (nargin == 1) | |
| 845 { | |
| 5409 | 846 std::string old_func; |
| 847 octave_fcn_inline* old = 0; | |
| 848 bool func_is_string = true; | |
| 4933 | 849 |
| 5409 | 850 if (args(0).is_string ()) |
| 851 old_func = args(0).string_value (); | |
| 852 else | |
| 4933 | 853 { |
| 5409 | 854 old = args(0).fcn_inline_value (true); |
| 855 func_is_string = false; | |
| 856 | |
| 857 if (old) | |
| 858 old_func = old->fcn_text (); | |
| 859 else | |
| 860 error ("vectorize: must be a string or inline function"); | |
| 861 } | |
| 862 | |
| 863 if (! error_state) | |
| 864 { | |
| 4933 | 865 std::string new_func; |
| 866 size_t i = 0; | |
| 867 | |
| 868 while (i < old_func.length ()) | |
| 869 { | |
| 870 std::string t1 = old_func.substr (i, 1); | |
| 871 | |
| 872 if (t1 == "*" || t1 == "/" || t1 == "\\" || t1 == "^") | |
| 873 { | |
| 874 if (i && old_func.substr (i-1, 1) != ".") | |
| 875 new_func.append ("."); | |
| 876 | |
| 877 // Special case for ** operator. | |
| 4973 | 878 if (t1 == "*" && i < (old_func.length () - 1) |
| 4933 | 879 && old_func.substr (i+1, 1) == "*") |
| 880 { | |
| 881 new_func.append ("*"); | |
| 882 i++; | |
| 883 } | |
| 884 } | |
| 885 new_func.append (t1); | |
| 886 i++; | |
| 887 } | |
| 888 | |
| 5409 | 889 if (func_is_string) |
| 890 retval = octave_value (new_func); | |
| 891 else | |
| 892 retval = octave_value (new octave_fcn_inline | |
| 893 (new_func, old->fcn_arg_names ())); | |
| 4933 | 894 } |
| 895 } | |
| 896 else | |
| 5823 | 897 print_usage (); |
| 4933 | 898 |
| 899 return retval; | |
| 900 } | |
| 901 | |
| 902 /* | |
| 903 ;;; Local Variables: *** | |
| 904 ;;; mode: C++ *** | |
| 905 ;;; End: *** | |
| 906 */ |