Mercurial > hg > octave-thorsten
annotate src/octave.cc @ 8721:e9cb742df9eb
imported patch sort3.diff
| author | Jaroslav Hajek <highegg@gmail.com> |
|---|---|
| date | Wed, 11 Feb 2009 15:25:53 +0100 |
| parents | 4dd0213bb883 |
| children | 31f864877246 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
| 4 2002, 2003, 2004, 2005, 2006, 2007 John W. Eaton | |
| 1 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 1 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 1 | 21 |
| 22 */ | |
| 23 | |
| 24 // Born February 20, 1992. | |
| 25 | |
| 240 | 26 #ifdef HAVE_CONFIG_H |
| 1192 | 27 #include <config.h> |
| 1 | 28 #endif |
| 29 | |
| 1355 | 30 #include <cassert> |
| 31 #include <cstdlib> | |
| 32 #include <cstring> | |
| 33 #include <ctime> | |
| 34 | |
| 3503 | 35 #include <fstream> |
| 36 #include <iostream> | |
| 1355 | 37 |
| 38 #ifdef HAVE_UNISTD_H | |
| 2442 | 39 #ifdef HAVE_SYS_TYPES_H |
| 1 | 40 #include <sys/types.h> |
| 2442 | 41 #endif |
| 139 | 42 #include <unistd.h> |
| 43 #endif | |
| 1355 | 44 |
| 2926 | 45 #include "cmd-edit.h" |
| 3690 | 46 #include "f77-fcn.h" |
| 4097 | 47 #include "file-ops.h" |
| 2926 | 48 #include "file-stat.h" |
| 240 | 49 #include "lo-error.h" |
| 2926 | 50 #include "oct-env.h" |
| 3019 | 51 #include "pathsearch.h" |
| 1907 | 52 #include "str-vec.h" |
| 223 | 53 |
| 2492 | 54 #include <defaults.h> |
| 3933 | 55 #include "Cell.h" |
| 1355 | 56 #include "defun.h" |
| 57 #include "error.h" | |
| 58 #include "file-io.h" | |
| 1 | 59 #include "input.h" |
| 60 #include "lex.h" | |
| 5832 | 61 #include "load-path.h" |
| 4113 | 62 #include "octave.h" |
| 1742 | 63 #include "oct-hist.h" |
| 5654 | 64 #include "oct-map.h" |
| 3195 | 65 #include "oct-obj.h" |
| 2375 | 66 #include "ops.h" |
| 1670 | 67 #include "toplev.h" |
| 1 | 68 #include "parse.h" |
| 562 | 69 #include "procstream.h" |
| 1817 | 70 #include "prog-args.h" |
| 1355 | 71 #include "sighandlers.h" |
| 72 #include "sysdep.h" | |
| 2375 | 73 #include "ov.h" |
| 1 | 74 #include "unwind-prot.h" |
| 1355 | 75 #include "utils.h" |
| 76 #include "variables.h" | |
| 2492 | 77 #include <version.h> |
| 1 | 78 |
| 4159 | 79 // Kluge. |
| 5990 | 80 extern "C" F77_RET_T |
| 81 F77_FUNC (xerbla, XERBLA) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type& | |
| 82 F77_CHAR_ARG_LEN_DECL); | |
| 4159 | 83 |
| 2910 | 84 extern void install_builtins (void); |
| 85 | |
| 1704 | 86 #if !defined (HAVE_ATEXIT) && defined (HAVE_ON_EXIT) |
| 87 extern "C" int on_exit (); | |
| 88 #define atexit on_exit | |
| 89 #endif | |
| 90 | |
| 1907 | 91 // The command-line options. |
| 92 static string_vector octave_argv; | |
| 1 | 93 |
| 5780 | 94 // The name used to invoke Octave. |
| 95 static std::string | |
| 96 octave_program_invocation_name; | |
| 97 | |
| 98 // The last component of octave_program_invocation_name. | |
| 99 static std::string octave_program_name; | |
| 100 | |
| 2239 | 101 // TRUE means we read ~/.octaverc and ./.octaverc. |
| 102 // (--norc; --no-init-file; -f) | |
| 103 static bool read_init_files = true; | |
| 104 | |
| 105 // TRUE means we read the site-wide octaverc files. | |
| 106 // (--norc; --no-site-file; -f) | |
| 2240 | 107 static bool read_site_files = true; |
| 1 | 108 |
| 6365 | 109 // TRUE means we set the initial path to configured defaults. |
| 110 // (--no-initial-path) | |
| 111 static bool set_initial_path = true; | |
| 112 | |
| 3019 | 113 // TRUE means we don't print the usual startup message. |
| 616 | 114 // (--quiet; --silent; -q) |
| 2239 | 115 static bool inhibit_startup_message = false; |
| 1 | 116 |
| 3019 | 117 // TRUE means we turn on compatibility options. |
| 1410 | 118 // (--traditional) |
| 2239 | 119 static bool traditional = false; |
| 1410 | 120 |
| 3019 | 121 // If TRUE, print verbose info in some cases. |
| 1825 | 122 // (--verbose; -V) |
| 2239 | 123 static bool verbose_flag = false; |
| 1825 | 124 |
| 1 | 125 // Usage message |
| 139 | 126 static const char *usage_string = |
| 5189 | 127 "octave [-?HVdfhiqvx] [--debug] [--echo-commands] [--eval CODE]\n\ |
| 5814 | 128 [--exec-path path] [--help] [--image-path path] [--info-file file]\n\ |
| 6938 | 129 [--info-program prog] [--interactive] [--line-editing] [--no-history] [--no-init-file]\n\ |
| 6365 | 130 [--no-line-editing] [--no-site-file] [--no-init-path] [-p path]\n\ |
| 131 [--path path] [--silent] [--traditional] [--verbose] [--version] [file]"; | |
| 1 | 132 |
| 1358 | 133 // This is here so that it's more likely that the usage message and |
| 1410 | 134 // the real set of options will agree. Note: the `+' must come first |
| 135 // to prevent getopt from permuting arguments! | |
| 3180 | 136 static const char *short_opts = "+?HVdfhip:qvx"; |
| 139 | 137 |
| 5189 | 138 // The code to evaluate at startup (--eval CODE) |
| 139 static std::string code_to_eval; | |
| 140 | |
| 141 // If TRUE, don't exit after evaluating code given by --eval option. | |
| 142 static bool persist = false; | |
| 4356 | 143 |
| 1103 | 144 // Long options. See the comments in getopt.h for the meanings of the |
| 145 // fields in this structure. | |
| 5189 | 146 #define EVAL_OPTION 1 |
| 147 #define EXEC_PATH_OPTION 2 | |
| 5814 | 148 #define IMAGE_PATH_OPTION 3 |
| 149 #define INFO_FILE_OPTION 4 | |
| 150 #define INFO_PROG_OPTION 5 | |
| 151 #define NO_INIT_FILE_OPTION 6 | |
| 152 #define NO_LINE_EDITING_OPTION 7 | |
| 153 #define NO_SITE_FILE_OPTION 8 | |
| 6365 | 154 #define NO_INITIAL_PATH_OPTION 9 |
| 155 #define PERSIST_OPTION 10 | |
| 156 #define TRADITIONAL_OPTION 11 | |
| 6938 | 157 #define LINE_EDITING_OPTION 12 |
| 1817 | 158 long_options long_opts[] = |
| 139 | 159 { |
| 1855 | 160 { "debug", prog_args::no_arg, 0, 'd' }, |
| 2277 | 161 { "braindead", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
| 1855 | 162 { "echo-commands", prog_args::no_arg, 0, 'x' }, |
| 5189 | 163 { "eval", prog_args::required_arg, 0, EVAL_OPTION }, |
| 1855 | 164 { "exec-path", prog_args::required_arg, 0, EXEC_PATH_OPTION }, |
| 165 { "help", prog_args::no_arg, 0, 'h' }, | |
| 5814 | 166 { "image-path", prog_args::required_arg, 0, IMAGE_PATH_OPTION }, |
| 1855 | 167 { "info-file", prog_args::required_arg, 0, INFO_FILE_OPTION }, |
| 168 { "info-program", prog_args::required_arg, 0, INFO_PROG_OPTION }, | |
| 169 { "interactive", prog_args::no_arg, 0, 'i' }, | |
| 6938 | 170 { "line-editing", prog_args::no_arg, 0, LINE_EDITING_OPTION }, |
| 3180 | 171 { "no-history", prog_args::no_arg, 0, 'H' }, |
| 2239 | 172 { "no-init-file", prog_args::no_arg, 0, NO_INIT_FILE_OPTION }, |
| 1855 | 173 { "no-line-editing", prog_args::no_arg, 0, NO_LINE_EDITING_OPTION }, |
| 2239 | 174 { "no-site-file", prog_args::no_arg, 0, NO_SITE_FILE_OPTION }, |
| 6365 | 175 { "no-initial-path", prog_args::no_arg, 0, NO_INITIAL_PATH_OPTION }, |
| 1855 | 176 { "norc", prog_args::no_arg, 0, 'f' }, |
| 177 { "path", prog_args::required_arg, 0, 'p' }, | |
| 5189 | 178 { "persist", prog_args::no_arg, 0, PERSIST_OPTION }, |
| 1855 | 179 { "quiet", prog_args::no_arg, 0, 'q' }, |
| 180 { "silent", prog_args::no_arg, 0, 'q' }, | |
| 181 { "traditional", prog_args::no_arg, 0, TRADITIONAL_OPTION }, | |
| 182 { "verbose", prog_args::no_arg, 0, 'V' }, | |
| 183 { "version", prog_args::no_arg, 0, 'v' }, | |
| 3019 | 184 { 0, 0, 0, 0 } |
| 139 | 185 }; |
| 1 | 186 |
| 1355 | 187 // Store the command-line options for later use. |
| 188 | |
| 189 static void | |
| 190 intern_argv (int argc, char **argv) | |
| 191 { | |
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192 assert (symbol_table::at_top_level ()); |
| 4892 | 193 |
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194 symbol_table::varref (".nargin.") = argc - 1; |
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195 |
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196 symbol_table::mark_hidden (".nargin."); |
| 3195 | 197 |
| 1355 | 198 if (argc > 1) |
| 199 { | |
| 7336 | 200 octave_argv.resize (argc - 1); |
| 3933 | 201 |
| 2495 | 202 // Skip program name in argv. |
| 3933 | 203 int i = argc; |
| 204 while (--i > 0) | |
| 5780 | 205 octave_argv[i-1] = *(argv+i); |
| 1355 | 206 } |
| 207 } | |
| 208 | |
| 1792 | 209 static void |
| 210 initialize_pathsearch (void) | |
| 211 { | |
| 212 // This may seem odd, but doing it this way means that we don't have | |
| 213 // to modify the kpathsea library... | |
| 214 | |
| 3523 | 215 std::string odb = octave_env::getenv ("OCTAVE_DB_PATH"); |
| 3141 | 216 |
| 217 // For backward compatibility. | |
| 1792 | 218 |
| 2926 | 219 if (odb.empty ()) |
| 3141 | 220 odb = octave_env::getenv ("OCTAVE_DB_DIR"); |
| 1792 | 221 |
| 3141 | 222 if (odb.empty ()) |
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223 odb = Vdata_dir + file_ops::dir_sep_str () + "octave:" |
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224 + Vlibexec_dir + file_ops::dir_sep_str () + "octave"; |
| 1792 | 225 } |
| 226 | |
| 5654 | 227 DEFUN (__version_info__, args, , |
| 228 "-*- texinfo -*-\n\ | |
| 6678 | 229 @deftypefn {Built-in Function} {retval =} __version_info__ (@var{name}, @var{version}, @var{release}, @var{date})\n\ |
| 6945 | 230 Undocumented internal function.\n\ |
| 5654 | 231 @end deftypefn") |
| 232 { | |
| 233 octave_value retval; | |
| 234 | |
| 235 static Octave_map vinfo; | |
| 236 | |
| 237 int nargin = args.length (); | |
| 238 | |
| 5658 | 239 if (nargin == 4) |
| 5654 | 240 { |
| 6639 | 241 if (vinfo.nfields () == 0) |
| 5781 | 242 { |
| 243 vinfo.assign ("Name", args (0)); | |
| 244 vinfo.assign ("Version", args (1)); | |
| 245 vinfo.assign ("Release", args (2)); | |
| 246 vinfo.assign ("Date", args (3)); | |
| 247 } | |
| 248 else | |
| 249 { | |
| 250 octave_idx_type n = vinfo.numel () + 1; | |
| 5654 | 251 |
| 5781 | 252 vinfo.resize (dim_vector (n, 1)); |
| 253 | |
| 254 octave_value idx (n); | |
| 255 | |
| 256 vinfo.assign (idx, "Name", Cell (octave_value (args (0)))); | |
| 257 vinfo.assign (idx, "Version", Cell (octave_value (args (1)))); | |
| 258 vinfo.assign (idx, "Release", Cell (octave_value (args (2)))); | |
| 259 vinfo.assign (idx, "Date", Cell (octave_value (args (3)))); | |
| 260 } | |
| 5654 | 261 } |
| 262 else if (nargin == 0) | |
| 263 retval = vinfo; | |
| 264 else | |
| 5823 | 265 print_usage (); |
| 5654 | 266 |
| 267 return retval; | |
| 268 } | |
| 269 | |
| 270 static void | |
| 271 initialize_version_info (void) | |
| 272 { | |
| 273 octave_value_list args; | |
| 274 | |
| 5658 | 275 args(3) = OCTAVE_RELEASE_DATE; |
| 276 args(2) = OCTAVE_RELEASE; | |
| 5654 | 277 args(1) = OCTAVE_VERSION; |
| 278 args(0) = "GNU Octave"; | |
| 279 | |
| 280 F__version_info__ (args, 0); | |
| 281 } | |
| 282 | |
| 581 | 283 // Initialize by reading startup files. |
| 284 | |
| 1 | 285 static void |
| 286 execute_startup_files (void) | |
| 287 { | |
| 2985 | 288 unwind_protect::begin_frame ("execute_startup_files"); |
| 315 | 289 |
| 3019 | 290 unwind_protect_bool (input_from_startup_file); |
| 1651 | 291 |
| 3019 | 292 input_from_startup_file = true; |
| 315 | 293 |
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294 std::string context; |
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295 |
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296 bool verbose = (verbose_flag && ! inhibit_startup_message); |
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297 |
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298 bool require_file = false; |
| 578 | 299 |
| 2239 | 300 if (read_site_files) |
| 1 | 301 { |
| 2239 | 302 // Execute commands from the site-wide configuration file. |
| 303 // First from the file $(prefix)/lib/octave/site/m/octaverc | |
| 304 // (if it exists), then from the file | |
| 3597 | 305 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
| 1755 | 306 |
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307 source_file (Vlocal_site_defaults_file, context, verbose, require_file); |
| 1755 | 308 |
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309 source_file (Vsite_defaults_file, context, verbose, require_file); |
| 1 | 310 } |
| 311 | |
| 2239 | 312 if (read_init_files) |
| 313 { | |
| 2512 | 314 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
| 315 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc | |
| 316 // is assumed. | |
| 2239 | 317 |
| 4804 | 318 bool home_rc_already_executed = false; |
| 2512 | 319 |
| 3523 | 320 std::string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
| 2512 | 321 |
| 2926 | 322 if (initfile.empty ()) |
| 2512 | 323 initfile = ".octaverc"; |
| 324 | |
| 3523 | 325 std::string home_dir = octave_env::get_home_directory (); |
| 2926 | 326 |
| 4804 | 327 std::string home_rc = octave_env::make_absolute (initfile, home_dir); |
| 328 | |
| 329 std::string local_rc; | |
| 2239 | 330 |
| 5781 | 331 if (! home_rc.empty ()) |
| 2239 | 332 { |
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333 source_file (home_rc, context, verbose, require_file); |
| 2239 | 334 |
| 335 // Names alone are not enough. | |
| 336 | |
| 337 file_stat fs_home_rc (home_rc); | |
| 338 | |
| 339 if (fs_home_rc) | |
| 340 { | |
| 4804 | 341 // We want to check for curr_dir after executing home_rc |
| 342 // because doing that may change the working directory. | |
| 343 | |
| 344 std::string curr_dir = octave_env::getcwd (); | |
| 345 | |
| 346 local_rc = octave_env::make_absolute (initfile, curr_dir); | |
| 347 | |
| 6598 | 348 home_rc_already_executed = same_file (home_rc, local_rc); |
| 2239 | 349 } |
| 350 } | |
| 351 | |
| 352 if (! home_rc_already_executed) | |
| 4804 | 353 { |
| 354 if (local_rc.empty ()) | |
| 355 { | |
| 356 std::string curr_dir = octave_env::getcwd (); | |
| 357 | |
| 358 local_rc = octave_env::make_absolute (initfile, curr_dir); | |
| 359 } | |
| 360 | |
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361 source_file (local_rc, context, verbose, require_file); |
| 4804 | 362 } |
| 2239 | 363 } |
| 315 | 364 |
| 2985 | 365 unwind_protect::run_frame ("execute_startup_files"); |
| 1 | 366 } |
| 367 | |
| 5189 | 368 static int |
| 369 execute_eval_option_code (const std::string& code) | |
| 370 { | |
| 371 unwind_protect::begin_frame ("execute_eval_option_code"); | |
| 372 | |
| 7202 | 373 octave_save_signal_mask (); |
| 374 | |
| 375 can_interrupt = true; | |
| 376 | |
| 377 octave_signal_hook = octave_signal_handler; | |
| 378 octave_interrupt_hook = unwind_protect::run_all; | |
| 379 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 380 | |
| 381 octave_catch_interrupts (); | |
| 382 | |
| 383 octave_initialized = true; | |
| 384 | |
| 5189 | 385 unwind_protect_bool (interactive); |
| 386 | |
| 387 interactive = false; | |
| 388 | |
| 389 int parse_status = 0; | |
| 390 | |
| 6487 | 391 try |
| 392 { | |
| 393 eval_string (code, false, parse_status, 0); | |
| 394 } | |
| 7202 | 395 catch (octave_interrupt_exception) |
| 396 { | |
| 397 recover_from_exception (); | |
| 398 octave_stdout << "\n"; | |
| 399 } | |
| 6487 | 400 catch (std::bad_alloc) |
| 401 { | |
| 6680 | 402 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- eval failed" |
| 403 << std::endl; | |
| 6487 | 404 } |
| 5189 | 405 |
| 406 unwind_protect::run_frame ("execute_eval_option_code"); | |
| 407 | |
| 408 return parse_status; | |
| 409 } | |
| 410 | |
| 411 static void | |
| 412 execute_command_line_file (const std::string& fname) | |
| 413 { | |
| 414 unwind_protect::begin_frame ("execute_command_line_file"); | |
| 415 | |
| 7202 | 416 octave_save_signal_mask (); |
| 417 | |
| 418 can_interrupt = true; | |
| 419 | |
| 420 octave_signal_hook = octave_signal_handler; | |
| 421 octave_interrupt_hook = unwind_protect::run_all; | |
| 422 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 423 | |
| 424 octave_catch_interrupts (); | |
| 425 | |
| 426 octave_initialized = true; | |
| 427 | |
| 5189 | 428 unwind_protect_bool (interactive); |
| 429 unwind_protect_bool (reading_script_file); | |
| 430 unwind_protect_bool (input_from_command_line_file); | |
| 431 | |
| 432 unwind_protect_str (curr_fcn_file_name); | |
| 433 unwind_protect_str (curr_fcn_file_full_name); | |
| 434 | |
| 5780 | 435 unwind_protect_str (octave_program_invocation_name); |
| 436 unwind_protect_str (octave_program_name); | |
| 5189 | 437 |
| 438 interactive = false; | |
| 439 reading_script_file = true; | |
| 440 input_from_command_line_file = true; | |
| 441 | |
| 442 curr_fcn_file_name = fname; | |
| 443 curr_fcn_file_full_name = curr_fcn_file_name; | |
| 444 | |
| 5780 | 445 octave_program_invocation_name = curr_fcn_file_name; |
| 5189 | 446 |
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447 size_t pos = curr_fcn_file_name.find_last_of (file_ops::dir_sep_chars ()); |
| 5189 | 448 |
| 8021 | 449 std::string tmp = (pos != std::string::npos) |
| 5189 | 450 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
| 451 | |
| 5780 | 452 octave_program_name = tmp; |
| 5189 | 453 |
| 6504 | 454 try |
| 455 { | |
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456 std::string context; |
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457 bool verbose = false; |
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458 bool require_file = true; |
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459 |
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460 source_file (fname, context, verbose, require_file, "octave"); |
| 6504 | 461 } |
| 7202 | 462 catch (octave_interrupt_exception) |
| 463 { | |
| 464 recover_from_exception (); | |
| 465 octave_stdout << "\n"; | |
| 466 } | |
| 6504 | 467 catch (std::bad_alloc) |
| 468 { | |
| 6680 | 469 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- execution of " |
| 470 << fname << " failed" << std::endl; | |
| 6504 | 471 } |
| 5189 | 472 |
| 473 unwind_protect::run_frame ("execute_command_line_file"); | |
| 474 } | |
| 475 | |
| 581 | 476 // Usage message with extra help. |
| 477 | |
| 1 | 478 static void |
| 479 verbose_usage (void) | |
| 480 { | |
| 3922 | 481 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_AND_WARRANTY "\n\ |
| 1613 | 482 \n\ |
| 483 Usage: octave [options]\n\ | |
| 484 \n\ | |
| 485 Options:\n\ | |
| 1119 | 486 \n\ |
| 3180 | 487 --debug, -d Enter parser debugging mode.\n\ |
| 488 --echo-commands, -x Echo commands as they are executed.\n\ | |
| 5191 | 489 --eval CODE Evaluate CODE. Exit when done unless --persist.\n\ |
| 1613 | 490 --exec-path PATH Set path for executing subprograms.\n\ |
| 3180 | 491 --help, -h, -? Print short help message and exit.\n\ |
| 6615 | 492 --image-path PATH Set initial IMAGE_PATH to PATH.\n\ |
| 1613 | 493 --info-file FILE Use top-level info file FILE.\n\ |
| 494 --info-program PROGRAM Use PROGRAM for reading info files.\n\ | |
| 3180 | 495 --interactive, -i Force interactive behavior.\n\ |
| 6938 | 496 --line-editing Force readline use for command-line editing.\n\ |
| 3180 | 497 --no-history, -H Don't save commands to the history list\n\ |
| 2470 | 498 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
| 2212 | 499 --no-line-editing Don't use readline for command-line editing.\n\ |
| 2470 | 500 --no-site-file Don't read the site-wide octaverc file.\n\ |
| 3238 | 501 --norc, -f Don't read any initialization files.\n\ |
| 5814 | 502 --path PATH, -p PATH Set initial function search path to PATH.\n\ |
| 5189 | 503 --persist Go interactive after --eval or reading from FILE.\n\ |
| 3180 | 504 --silent, -q Don't print message at startup.\n\ |
| 1613 | 505 --traditional Set compatibility variables.\n\ |
| 3180 | 506 --verbose, -V Enable verbose output in some cases.\n\ |
| 507 --version, -v Print version number and exit.\n\ | |
| 1119 | 508 \n\ |
| 5190 | 509 FILE Execute commands from FILE. Exit when done\n\ |
| 5191 | 510 unless --persist is also specified.\n\ |
| 4829 | 511 \n" |
| 512 OCTAVE_WWW_STATEMENT "\n\ | |
| 4356 | 513 \n" |
| 514 OCTAVE_CONTRIB_STATEMENT "\n\ | |
| 515 \n" | |
| 516 OCTAVE_BUGS_STATEMENT "\n"; | |
| 285 | 517 |
| 613 | 518 exit (0); |
| 1 | 519 } |
| 520 | |
| 581 | 521 // Terse usage messsage. |
| 522 | |
| 1 | 523 static void |
| 524 usage (void) | |
| 525 { | |
| 3531 | 526 std::cerr << "usage: " << usage_string << "\n"; |
| 1 | 527 exit (1); |
| 528 } | |
| 529 | |
| 530 static void | |
| 531 print_version_and_exit (void) | |
| 532 { | |
| 3922 | 533 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_WARRANTY_AND_BUGS "\n"; |
| 1 | 534 exit (0); |
| 535 } | |
| 536 | |
| 721 | 537 static void |
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538 lo_error_handler (const char *fmt, ...) |
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539 { |
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540 va_list args; |
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541 va_start (args, fmt); |
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542 verror (fmt, args); |
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543 va_end (args); |
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544 |
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545 octave_throw_execution_exception (); |
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546 } |
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547 |
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548 static void |
| 721 | 549 initialize_error_handlers () |
| 550 { | |
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551 set_liboctave_error_handler (lo_error_handler); |
| 3325 | 552 set_liboctave_warning_handler (warning); |
| 5781 | 553 set_liboctave_warning_with_id_handler (warning_with_id); |
| 721 | 554 } |
| 555 | |
| 1410 | 556 // What happens on --traditional. |
| 557 | |
| 558 static void | |
| 559 maximum_braindamage (void) | |
| 560 { | |
| 5189 | 561 persist = true; |
| 562 | |
| 5794 | 563 bind_internal_variable ("PS1", ">> "); |
| 564 bind_internal_variable ("PS2", ""); | |
| 565 bind_internal_variable ("beep_on_error", true); | |
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566 bind_internal_variable ("confirm_recursive_rmdir", false); |
| 5794 | 567 bind_internal_variable ("crash_dumps_octave_core", false); |
| 568 bind_internal_variable ("default_save_options", "-mat-binary"); | |
| 569 bind_internal_variable ("fixed_point_format", true); | |
| 570 bind_internal_variable ("history_timestamp_format_string", | |
| 5305 | 571 "%%-- %D %I:%M %p --%%"); |
| 5794 | 572 bind_internal_variable ("page_screen_output", false); |
| 573 bind_internal_variable ("print_empty_dimensions", false); | |
| 5904 | 574 |
| 6159 | 575 disable_warning ("Octave:fopen-file-in-path"); |
| 5904 | 576 disable_warning ("Octave:function-name-clash"); |
| 6159 | 577 disable_warning ("Octave:load-file-in-path"); |
| 1410 | 578 } |
| 579 | |
| 581 | 580 // You guessed it. |
| 581 | |
| 1 | 582 int |
| 4368 | 583 octave_main (int argc, char **argv, int embedded) |
| 1 | 584 { |
| 3019 | 585 octave_env::set_program_name (argv[0]); |
| 586 | |
| 5780 | 587 octave_program_invocation_name = octave_env::get_program_invocation_name (); |
| 588 octave_program_name = octave_env::get_program_name (); | |
| 589 | |
| 2205 | 590 // The order of these calls is important. The call to |
| 2926 | 591 // install_defaults must come before install_builtins because |
| 3019 | 592 // default variable values must be available for the variables to be |
| 2205 | 593 // installed, and the call to install_builtins must come before the |
| 594 // options are processed because some command line options override | |
| 5794 | 595 // defaults by calling bind_internal_variable. |
| 721 | 596 |
| 5844 | 597 init_signals (); |
| 598 | |
| 1 | 599 sysdep_init (); |
| 600 | |
| 4159 | 601 // The idea here is to force xerbla to be referenced so that we will |
| 602 // link to our own version instead of the one provided by the BLAS | |
| 603 // library. But octave_NaN should never be -1, so we should never | |
| 604 // actually call xerbla. | |
| 605 | |
| 606 if (octave_NaN == -1) | |
| 607 F77_FUNC (xerbla, XERBLA) ("octave", 13, 6L); | |
| 608 | |
| 721 | 609 initialize_error_handlers (); |
| 223 | 610 |
| 5794 | 611 initialize_default_warning_state (); |
| 612 | |
| 2926 | 613 install_defaults (); |
| 1 | 614 |
| 1792 | 615 initialize_pathsearch (); |
| 1744 | 616 |
| 4368 | 617 if (! embedded) |
| 618 install_signal_handlers (); | |
| 2205 | 619 |
| 620 initialize_file_io (); | |
| 621 | |
| 2375 | 622 install_types (); |
| 623 | |
| 624 install_ops (); | |
| 2205 | 625 |
| 626 install_builtins (); | |
| 627 | |
| 1817 | 628 prog_args args (argc, argv, short_opts, long_opts); |
| 629 | |
| 6938 | 630 bool forced_line_editing = false; |
| 631 | |
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632 bool read_history_file = true; |
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633 |
| 139 | 634 int optc; |
| 1817 | 635 while ((optc = args.getopt ()) != EOF) |
| 1 | 636 { |
| 139 | 637 switch (optc) |
| 1 | 638 { |
| 3180 | 639 case 'H': |
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640 read_history_file = false; |
| 5794 | 641 bind_internal_variable ("saving_history", false); |
| 3180 | 642 break; |
| 643 | |
| 793 | 644 case 'V': |
| 2239 | 645 verbose_flag = true; |
| 793 | 646 break; |
| 647 | |
| 1 | 648 case 'd': |
| 4753 | 649 // This is the same as yydebug in parse.y. |
| 650 octave_debug++; | |
| 1 | 651 break; |
| 777 | 652 |
| 1 | 653 case 'f': |
| 2239 | 654 read_init_files = false; |
| 655 read_site_files = false; | |
| 1 | 656 break; |
| 777 | 657 |
| 1 | 658 case 'h': |
| 659 case '?': | |
| 660 verbose_usage (); | |
| 661 break; | |
| 777 | 662 |
| 1 | 663 case 'i': |
| 3019 | 664 forced_interactive = true; |
| 1 | 665 break; |
| 777 | 666 |
| 1 | 667 case 'p': |
| 1817 | 668 if (args.optarg ()) |
| 5832 | 669 load_path::set_command_line_path (args.optarg ()); |
| 1 | 670 break; |
| 777 | 671 |
| 1 | 672 case 'q': |
| 2239 | 673 inhibit_startup_message = true; |
| 1 | 674 break; |
| 777 | 675 |
| 1 | 676 case 'x': |
| 2205 | 677 { |
| 678 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); | |
| 5794 | 679 bind_internal_variable ("echo_executing_commands", tmp); |
| 2205 | 680 } |
| 1 | 681 break; |
| 777 | 682 |
| 1 | 683 case 'v': |
| 684 print_version_and_exit (); | |
| 685 break; | |
| 777 | 686 |
| 5189 | 687 case EVAL_OPTION: |
| 688 if (args.optarg ()) | |
| 5193 | 689 { |
| 690 if (code_to_eval.empty ()) | |
| 691 code_to_eval = args.optarg (); | |
| 692 else | |
| 693 code_to_eval += std::string (" ") + args.optarg (); | |
| 694 } | |
| 5189 | 695 break; |
| 696 | |
| 1613 | 697 case EXEC_PATH_OPTION: |
| 1817 | 698 if (args.optarg ()) |
| 5814 | 699 set_exec_path (args.optarg ()); |
| 700 break; | |
| 701 | |
| 702 case IMAGE_PATH_OPTION: | |
| 703 if (args.optarg ()) | |
| 704 set_image_path (args.optarg ()); | |
| 1613 | 705 break; |
| 706 | |
| 186 | 707 case INFO_FILE_OPTION: |
| 1817 | 708 if (args.optarg ()) |
| 5794 | 709 bind_internal_variable ("info_file", args.optarg ()); |
| 186 | 710 break; |
| 777 | 711 |
| 1613 | 712 case INFO_PROG_OPTION: |
| 1817 | 713 if (args.optarg ()) |
| 5794 | 714 bind_internal_variable ("info_program", args.optarg ()); |
| 1613 | 715 break; |
| 716 | |
| 6938 | 717 case LINE_EDITING_OPTION: |
| 718 forced_line_editing = true; | |
| 719 break; | |
| 720 | |
| 2239 | 721 case NO_INIT_FILE_OPTION: |
| 722 read_init_files = false; | |
| 723 break; | |
| 724 | |
| 1821 | 725 case NO_LINE_EDITING_OPTION: |
| 3019 | 726 line_editing = false; |
| 2239 | 727 break; |
| 728 | |
| 729 case NO_SITE_FILE_OPTION: | |
| 730 read_site_files = 0; | |
| 1821 | 731 break; |
| 732 | |
| 6365 | 733 case NO_INITIAL_PATH_OPTION: |
| 734 set_initial_path = false; | |
| 735 break; | |
| 736 | |
| 1410 | 737 case TRADITIONAL_OPTION: |
| 2239 | 738 traditional = true; |
| 1410 | 739 break; |
| 740 | |
| 5189 | 741 case PERSIST_OPTION: |
| 742 persist = true; | |
| 743 break; | |
| 744 | |
| 1 | 745 default: |
| 746 usage (); | |
| 747 break; | |
| 748 } | |
| 749 } | |
| 750 | |
| 1651 | 751 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
| 2077 | 752 // Make sure we clean up when we exit. Also allow users to register |
| 753 // functions. If we don't have atexit or on_exit, we're going to | |
| 754 // leave some junk files around if we exit abnormally. | |
| 755 | |
| 756 atexit (do_octave_atexit); | |
| 318 | 757 #endif |
| 1 | 758 |
| 1358 | 759 // These can come after command line args since none of them set any |
| 760 // defaults that might be changed by command line options. | |
| 581 | 761 |
| 2926 | 762 initialize_command_input (); |
| 315 | 763 |
| 578 | 764 if (! inhibit_startup_message) |
| 3538 | 765 std::cout << OCTAVE_STARTUP_MESSAGE "\n" << std::endl; |
| 578 | 766 |
| 1410 | 767 if (traditional) |
| 768 maximum_braindamage (); | |
| 769 | |
| 4217 | 770 octave_interpreter_ready = true; |
| 771 | |
| 5654 | 772 initialize_version_info (); |
| 773 | |
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774 // Make all command-line arguments available to startup files, |
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775 // including PKG_ADD files. |
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776 |
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777 intern_argv (argc, argv); |
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778 |
| 6365 | 779 load_path::initialize (set_initial_path); |
| 4217 | 780 |
| 2239 | 781 execute_startup_files (); |
| 1651 | 782 |
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783 initialize_history (read_history_file); |
| 1 | 784 |
| 578 | 785 if (! inhibit_startup_message && reading_startup_message_printed) |
| 3538 | 786 std::cout << std::endl; |
| 578 | 787 |
| 5189 | 788 // Is input coming from a terminal? If so, we are probably |
| 789 // interactive. | |
| 1358 | 790 |
| 5189 | 791 interactive = (! embedded |
| 792 && isatty (fileno (stdin)) && isatty (fileno (stdout))); | |
| 793 | |
| 6938 | 794 if (! interactive && ! forced_line_editing) |
| 5189 | 795 line_editing = false; |
| 1 | 796 |
| 1358 | 797 // If there is an extra argument, see if it names a file to read. |
| 798 // Additional arguments are taken as command line options for the | |
| 799 // script. | |
| 1 | 800 |
| 1817 | 801 int last_arg_idx = args.optind (); |
| 3019 | 802 |
| 1817 | 803 int remaining_args = argc - last_arg_idx; |
| 3019 | 804 |
| 5189 | 805 if (! code_to_eval.empty ()) |
| 149 | 806 { |
| 5189 | 807 int parse_status = execute_eval_option_code (code_to_eval); |
| 808 | |
| 5242 | 809 if (! (persist || remaining_args > 0)) |
| 5502 | 810 clean_up_and_exit (parse_status || error_state ? 1 : 0); |
| 1 | 811 } |
| 812 | |
| 5189 | 813 if (remaining_args > 0) |
| 814 { | |
| 815 // If we are running an executable script (#! /bin/octave) then | |
| 816 // we should only see the args passed to the script. | |
| 817 | |
| 818 intern_argv (remaining_args, argv+last_arg_idx); | |
| 819 | |
| 820 execute_command_line_file (argv[last_arg_idx]); | |
| 821 | |
| 822 if (! persist) | |
| 5502 | 823 clean_up_and_exit (error_state ? 1 : 0); |
| 5189 | 824 } |
| 825 | |
| 826 // Avoid counting commands executed from startup files. | |
| 827 | |
| 828 command_editor::reset_current_command_number (1); | |
| 829 | |
| 830 // Now argv should have the full set of args. | |
| 831 intern_argv (argc, argv); | |
| 832 | |
| 833 if (! embedded) | |
| 834 switch_to_buffer (create_buffer (get_input_from_stdin ())); | |
| 835 | |
| 1358 | 836 // Force input to be echoed if not really interactive, but the user |
| 837 // has forced interactive behavior. | |
| 1 | 838 |
| 1907 | 839 if (! interactive && forced_interactive) |
| 287 | 840 { |
| 2926 | 841 command_editor::blink_matching_paren (false); |
| 1588 | 842 |
| 5775 | 843 // FIXME -- is this the right thing to do? |
| 1588 | 844 |
| 5794 | 845 bind_internal_variable ("echo_executing_commands", ECHO_CMD_LINE); |
| 287 | 846 } |
| 1 | 847 |
| 4368 | 848 if (embedded) |
| 5502 | 849 { |
| 5775 | 850 // FIXME -- do we need to do any cleanup here before |
| 5502 | 851 // returning? If we don't, what will happen to Octave functions |
| 852 // that have been registered to execute with atexit, for example? | |
| 853 | |
| 854 return 1; | |
| 855 } | |
| 4368 | 856 |
| 5189 | 857 int retval = main_loop (); |
| 1 | 858 |
| 1005 | 859 if (retval == 1 && ! error_state) |
| 860 retval = 0; | |
| 861 | |
| 1 | 862 clean_up_and_exit (retval); |
| 4247 | 863 |
| 864 return 0; | |
| 1 | 865 } |
| 866 | |
| 5780 | 867 DEFUN (argv, args, , |
| 868 "-*- texinfo -*-\n\ | |
| 869 @deftypefn {Built-in Function} {} argv ()\n\ | |
| 870 Return the command line arguments passed to Octave. For example,\n\ | |
| 871 if you invoked Octave using the command\n\ | |
| 872 \n\ | |
| 873 @example\n\ | |
| 874 octave --no-line-editing --silent\n\ | |
| 875 @end example\n\ | |
| 876 \n\ | |
| 877 @noindent\n\ | |
| 878 @code{argv} would return a cell array of strings with the elements\n\ | |
| 879 @code{--no-line-editing} and @code{--silent}.\n\ | |
| 880 \n\ | |
| 881 If you write an executable Octave script, @code{argv} will return the\n\ | |
| 882 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ | |
| 883 for an example of how to create an executable Octave script.\n\ | |
| 884 @end deftypefn") | |
| 885 { | |
| 886 octave_value retval; | |
| 887 | |
| 888 if (args.length () == 0) | |
| 889 retval = Cell (octave_argv); | |
| 890 else | |
| 5823 | 891 print_usage (); |
| 5780 | 892 |
| 893 return retval; | |
| 894 } | |
| 895 | |
| 896 DEFUN (program_invocation_name, args, , | |
| 897 "-*- texinfo -*-\n\ | |
| 898 @deftypefn {Built-in Function} program_invocation_name ()\n\ | |
| 899 Return the name that was typed at the shell prompt to run Octave.\n\ | |
| 900 \n\ | |
| 901 If executing a script from the command line (e.g., @code{octave foo.m})\n\ | |
| 902 or using an executable Octave script, the program name is set to the\n\ | |
| 903 name of the script. @xref{Executable Octave Programs}, for an example of\n\ | |
| 904 how to create an executable Octave script.\n\ | |
| 905 @seealso{program_name}\n\ | |
| 906 @end deftypefn") | |
| 907 { | |
| 908 octave_value retval; | |
| 909 | |
| 910 if (args.length () == 0) | |
| 911 retval = octave_program_invocation_name; | |
| 912 else | |
| 5823 | 913 print_usage (); |
| 5780 | 914 |
| 915 return retval; | |
| 916 } | |
| 917 | |
| 918 DEFUN (program_name, args, , | |
| 919 "-*- texinfo -*-\n\ | |
| 920 @deftypefn {Built-in Function} {} program_name ()\n\ | |
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921 Return the last component of the value returned by\n\ |
| 5780 | 922 @code{program_invocation_name}.\n\ |
| 923 @seealso{program_invocation_name}\n\ | |
| 924 @end deftypefn") | |
| 925 { | |
| 926 octave_value retval; | |
| 927 | |
| 928 if (args.length () == 0) | |
| 929 retval = octave_program_name; | |
| 930 else | |
| 5823 | 931 print_usage (); |
| 5780 | 932 |
| 933 return retval; | |
| 934 } | |
| 935 | |
| 560 | 936 /* |
| 1 | 937 ;;; Local Variables: *** |
| 938 ;;; mode: C++ *** | |
| 939 ;;; End: *** | |
| 940 */ |