Mercurial > octave
annotate src/octave.cc @ 9335:f2d354df53ee
new option, --no-window-system
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 11 Jun 2009 14:20:36 -0400 |
| parents | 9b87aeb24ea9 |
| children | 98c6b3aa0b7b |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
| 8920 | 4 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 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" |
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57 #include "display.h" |
| 1355 | 58 #include "error.h" |
| 59 #include "file-io.h" | |
| 1 | 60 #include "input.h" |
| 61 #include "lex.h" | |
| 5832 | 62 #include "load-path.h" |
| 4113 | 63 #include "octave.h" |
| 1742 | 64 #include "oct-hist.h" |
| 5654 | 65 #include "oct-map.h" |
| 3195 | 66 #include "oct-obj.h" |
| 2375 | 67 #include "ops.h" |
| 1670 | 68 #include "toplev.h" |
| 1 | 69 #include "parse.h" |
| 562 | 70 #include "procstream.h" |
| 1817 | 71 #include "prog-args.h" |
| 1355 | 72 #include "sighandlers.h" |
| 73 #include "sysdep.h" | |
| 2375 | 74 #include "ov.h" |
| 1 | 75 #include "unwind-prot.h" |
| 1355 | 76 #include "utils.h" |
| 77 #include "variables.h" | |
| 2492 | 78 #include <version.h> |
| 1 | 79 |
| 4159 | 80 // Kluge. |
| 5990 | 81 extern "C" F77_RET_T |
| 82 F77_FUNC (xerbla, XERBLA) (F77_CONST_CHAR_ARG_DECL, const octave_idx_type& | |
| 83 F77_CHAR_ARG_LEN_DECL); | |
| 4159 | 84 |
| 2910 | 85 extern void install_builtins (void); |
| 86 | |
| 1704 | 87 #if !defined (HAVE_ATEXIT) && defined (HAVE_ON_EXIT) |
| 88 extern "C" int on_exit (); | |
| 89 #define atexit on_exit | |
| 90 #endif | |
| 91 | |
| 1907 | 92 // The command-line options. |
| 93 static string_vector octave_argv; | |
| 1 | 94 |
| 5780 | 95 // The name used to invoke Octave. |
| 96 static std::string | |
| 97 octave_program_invocation_name; | |
| 98 | |
| 99 // The last component of octave_program_invocation_name. | |
| 100 static std::string octave_program_name; | |
| 101 | |
| 2239 | 102 // TRUE means we read ~/.octaverc and ./.octaverc. |
| 103 // (--norc; --no-init-file; -f) | |
| 104 static bool read_init_files = true; | |
| 105 | |
| 106 // TRUE means we read the site-wide octaverc files. | |
| 107 // (--norc; --no-site-file; -f) | |
| 2240 | 108 static bool read_site_files = true; |
| 1 | 109 |
| 6365 | 110 // TRUE means we set the initial path to configured defaults. |
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111 // (--no-init-path) |
| 6365 | 112 static bool set_initial_path = true; |
| 113 | |
| 3019 | 114 // TRUE means we don't print the usual startup message. |
| 616 | 115 // (--quiet; --silent; -q) |
| 2239 | 116 static bool inhibit_startup_message = false; |
| 1 | 117 |
| 3019 | 118 // TRUE means we turn on compatibility options. |
| 1410 | 119 // (--traditional) |
| 2239 | 120 static bool traditional = false; |
| 1410 | 121 |
| 3019 | 122 // If TRUE, print verbose info in some cases. |
| 1825 | 123 // (--verbose; -V) |
| 2239 | 124 static bool verbose_flag = false; |
| 1825 | 125 |
| 1 | 126 // Usage message |
| 139 | 127 static const char *usage_string = |
| 5189 | 128 "octave [-?HVdfhiqvx] [--debug] [--echo-commands] [--eval CODE]\n\ |
| 5814 | 129 [--exec-path path] [--help] [--image-path path] [--info-file file]\n\ |
| 6938 | 130 [--info-program prog] [--interactive] [--line-editing] [--no-history] [--no-init-file]\n\ |
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131 [--no-line-editing] [--no-site-file] [--no-init-path] [--no-window-system] [-p path]\n\ |
| 6365 | 132 [--path path] [--silent] [--traditional] [--verbose] [--version] [file]"; |
| 1 | 133 |
| 1358 | 134 // This is here so that it's more likely that the usage message and |
| 1410 | 135 // the real set of options will agree. Note: the `+' must come first |
| 136 // to prevent getopt from permuting arguments! | |
| 3180 | 137 static const char *short_opts = "+?HVdfhip:qvx"; |
| 139 | 138 |
| 5189 | 139 // The code to evaluate at startup (--eval CODE) |
| 140 static std::string code_to_eval; | |
| 141 | |
| 142 // If TRUE, don't exit after evaluating code given by --eval option. | |
| 143 static bool persist = false; | |
| 4356 | 144 |
| 1103 | 145 // Long options. See the comments in getopt.h for the meanings of the |
| 146 // fields in this structure. | |
| 8861 | 147 #define DOC_CACHE_FILE_OPTION 1 |
| 148 #define EVAL_OPTION 2 | |
| 149 #define EXEC_PATH_OPTION 3 | |
| 150 #define IMAGE_PATH_OPTION 4 | |
| 151 #define INFO_FILE_OPTION 5 | |
| 152 #define INFO_PROG_OPTION 6 | |
| 153 #define NO_INIT_FILE_OPTION 7 | |
| 154 #define NO_LINE_EDITING_OPTION 8 | |
| 155 #define NO_SITE_FILE_OPTION 9 | |
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156 #define NO_INIT_PATH_OPTION 10 |
| 8861 | 157 #define PERSIST_OPTION 11 |
| 158 #define TRADITIONAL_OPTION 12 | |
| 159 #define LINE_EDITING_OPTION 13 | |
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160 #define NO_WINDOW_SYSTEM_OPTION 14 |
| 1817 | 161 long_options long_opts[] = |
| 139 | 162 { |
| 1855 | 163 { "debug", prog_args::no_arg, 0, 'd' }, |
| 2277 | 164 { "braindead", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
| 8861 | 165 { "doc-cache-file", prog_args::required_arg, 0, DOC_CACHE_FILE_OPTION }, |
| 1855 | 166 { "echo-commands", prog_args::no_arg, 0, 'x' }, |
| 5189 | 167 { "eval", prog_args::required_arg, 0, EVAL_OPTION }, |
| 1855 | 168 { "exec-path", prog_args::required_arg, 0, EXEC_PATH_OPTION }, |
| 169 { "help", prog_args::no_arg, 0, 'h' }, | |
| 5814 | 170 { "image-path", prog_args::required_arg, 0, IMAGE_PATH_OPTION }, |
| 1855 | 171 { "info-file", prog_args::required_arg, 0, INFO_FILE_OPTION }, |
| 172 { "info-program", prog_args::required_arg, 0, INFO_PROG_OPTION }, | |
| 173 { "interactive", prog_args::no_arg, 0, 'i' }, | |
| 6938 | 174 { "line-editing", prog_args::no_arg, 0, LINE_EDITING_OPTION }, |
| 3180 | 175 { "no-history", prog_args::no_arg, 0, 'H' }, |
| 2239 | 176 { "no-init-file", prog_args::no_arg, 0, NO_INIT_FILE_OPTION }, |
| 1855 | 177 { "no-line-editing", prog_args::no_arg, 0, NO_LINE_EDITING_OPTION }, |
| 2239 | 178 { "no-site-file", prog_args::no_arg, 0, NO_SITE_FILE_OPTION }, |
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179 { "no-init-path", prog_args::no_arg, 0, NO_INIT_PATH_OPTION }, |
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180 { "no-window-system", prog_args::no_arg, 0, NO_WINDOW_SYSTEM_OPTION }, |
| 1855 | 181 { "norc", prog_args::no_arg, 0, 'f' }, |
| 182 { "path", prog_args::required_arg, 0, 'p' }, | |
| 5189 | 183 { "persist", prog_args::no_arg, 0, PERSIST_OPTION }, |
| 1855 | 184 { "quiet", prog_args::no_arg, 0, 'q' }, |
| 185 { "silent", prog_args::no_arg, 0, 'q' }, | |
| 186 { "traditional", prog_args::no_arg, 0, TRADITIONAL_OPTION }, | |
| 187 { "verbose", prog_args::no_arg, 0, 'V' }, | |
| 188 { "version", prog_args::no_arg, 0, 'v' }, | |
| 3019 | 189 { 0, 0, 0, 0 } |
| 139 | 190 }; |
| 1 | 191 |
| 1355 | 192 // Store the command-line options for later use. |
| 193 | |
| 194 static void | |
| 195 intern_argv (int argc, char **argv) | |
| 196 { | |
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197 assert (symbol_table::at_top_level ()); |
| 4892 | 198 |
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199 symbol_table::varref (".nargin.") = argc - 1; |
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200 |
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201 symbol_table::mark_hidden (".nargin."); |
| 3195 | 202 |
| 1355 | 203 if (argc > 1) |
| 204 { | |
| 7336 | 205 octave_argv.resize (argc - 1); |
| 3933 | 206 |
| 2495 | 207 // Skip program name in argv. |
| 3933 | 208 int i = argc; |
| 209 while (--i > 0) | |
| 5780 | 210 octave_argv[i-1] = *(argv+i); |
| 1355 | 211 } |
| 212 } | |
| 213 | |
| 1792 | 214 static void |
| 215 initialize_pathsearch (void) | |
| 216 { | |
| 217 // This may seem odd, but doing it this way means that we don't have | |
| 218 // to modify the kpathsea library... | |
| 219 | |
| 3523 | 220 std::string odb = octave_env::getenv ("OCTAVE_DB_PATH"); |
| 3141 | 221 |
| 222 // For backward compatibility. | |
| 1792 | 223 |
| 2926 | 224 if (odb.empty ()) |
| 3141 | 225 odb = octave_env::getenv ("OCTAVE_DB_DIR"); |
| 1792 | 226 |
| 3141 | 227 if (odb.empty ()) |
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228 odb = Vdata_dir + file_ops::dir_sep_str () + "octave:" |
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229 + Vlibexec_dir + file_ops::dir_sep_str () + "octave"; |
| 1792 | 230 } |
| 231 | |
| 5654 | 232 DEFUN (__version_info__, args, , |
| 233 "-*- texinfo -*-\n\ | |
| 6678 | 234 @deftypefn {Built-in Function} {retval =} __version_info__ (@var{name}, @var{version}, @var{release}, @var{date})\n\ |
| 6945 | 235 Undocumented internal function.\n\ |
| 5654 | 236 @end deftypefn") |
| 237 { | |
| 238 octave_value retval; | |
| 239 | |
| 240 static Octave_map vinfo; | |
| 241 | |
| 242 int nargin = args.length (); | |
| 243 | |
| 5658 | 244 if (nargin == 4) |
| 5654 | 245 { |
| 6639 | 246 if (vinfo.nfields () == 0) |
| 5781 | 247 { |
| 248 vinfo.assign ("Name", args (0)); | |
| 249 vinfo.assign ("Version", args (1)); | |
| 250 vinfo.assign ("Release", args (2)); | |
| 251 vinfo.assign ("Date", args (3)); | |
| 252 } | |
| 253 else | |
| 254 { | |
| 255 octave_idx_type n = vinfo.numel () + 1; | |
| 5654 | 256 |
| 5781 | 257 vinfo.resize (dim_vector (n, 1)); |
| 258 | |
| 259 octave_value idx (n); | |
| 260 | |
| 261 vinfo.assign (idx, "Name", Cell (octave_value (args (0)))); | |
| 262 vinfo.assign (idx, "Version", Cell (octave_value (args (1)))); | |
| 263 vinfo.assign (idx, "Release", Cell (octave_value (args (2)))); | |
| 264 vinfo.assign (idx, "Date", Cell (octave_value (args (3)))); | |
| 265 } | |
| 5654 | 266 } |
| 267 else if (nargin == 0) | |
| 268 retval = vinfo; | |
| 269 else | |
| 5823 | 270 print_usage (); |
| 5654 | 271 |
| 272 return retval; | |
| 273 } | |
| 274 | |
| 275 static void | |
| 276 initialize_version_info (void) | |
| 277 { | |
| 278 octave_value_list args; | |
| 279 | |
| 5658 | 280 args(3) = OCTAVE_RELEASE_DATE; |
| 281 args(2) = OCTAVE_RELEASE; | |
| 5654 | 282 args(1) = OCTAVE_VERSION; |
| 283 args(0) = "GNU Octave"; | |
| 284 | |
| 285 F__version_info__ (args, 0); | |
| 286 } | |
| 287 | |
| 581 | 288 // Initialize by reading startup files. |
| 289 | |
| 1 | 290 static void |
| 291 execute_startup_files (void) | |
| 292 { | |
| 2985 | 293 unwind_protect::begin_frame ("execute_startup_files"); |
| 315 | 294 |
| 3019 | 295 unwind_protect_bool (input_from_startup_file); |
| 1651 | 296 |
| 3019 | 297 input_from_startup_file = true; |
| 315 | 298 |
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299 std::string context; |
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300 |
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301 bool verbose = (verbose_flag && ! inhibit_startup_message); |
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302 |
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303 bool require_file = false; |
| 578 | 304 |
| 2239 | 305 if (read_site_files) |
| 1 | 306 { |
| 2239 | 307 // Execute commands from the site-wide configuration file. |
| 308 // First from the file $(prefix)/lib/octave/site/m/octaverc | |
| 309 // (if it exists), then from the file | |
| 3597 | 310 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
| 1755 | 311 |
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312 source_file (Vlocal_site_defaults_file, context, verbose, require_file); |
| 1755 | 313 |
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314 source_file (Vsite_defaults_file, context, verbose, require_file); |
| 1 | 315 } |
| 316 | |
| 2239 | 317 if (read_init_files) |
| 318 { | |
| 2512 | 319 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
| 320 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc | |
| 321 // is assumed. | |
| 2239 | 322 |
| 4804 | 323 bool home_rc_already_executed = false; |
| 2512 | 324 |
| 3523 | 325 std::string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
| 2512 | 326 |
| 2926 | 327 if (initfile.empty ()) |
| 2512 | 328 initfile = ".octaverc"; |
| 329 | |
| 3523 | 330 std::string home_dir = octave_env::get_home_directory (); |
| 2926 | 331 |
| 4804 | 332 std::string home_rc = octave_env::make_absolute (initfile, home_dir); |
| 333 | |
| 334 std::string local_rc; | |
| 2239 | 335 |
| 5781 | 336 if (! home_rc.empty ()) |
| 2239 | 337 { |
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338 source_file (home_rc, context, verbose, require_file); |
| 2239 | 339 |
| 340 // Names alone are not enough. | |
| 341 | |
| 342 file_stat fs_home_rc (home_rc); | |
| 343 | |
| 344 if (fs_home_rc) | |
| 345 { | |
| 4804 | 346 // We want to check for curr_dir after executing home_rc |
| 347 // because doing that may change the working directory. | |
| 348 | |
| 349 std::string curr_dir = octave_env::getcwd (); | |
| 350 | |
| 351 local_rc = octave_env::make_absolute (initfile, curr_dir); | |
| 352 | |
| 6598 | 353 home_rc_already_executed = same_file (home_rc, local_rc); |
| 2239 | 354 } |
| 355 } | |
| 356 | |
| 357 if (! home_rc_already_executed) | |
| 4804 | 358 { |
| 359 if (local_rc.empty ()) | |
| 360 { | |
| 361 std::string curr_dir = octave_env::getcwd (); | |
| 362 | |
| 363 local_rc = octave_env::make_absolute (initfile, curr_dir); | |
| 364 } | |
| 365 | |
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366 source_file (local_rc, context, verbose, require_file); |
| 4804 | 367 } |
| 2239 | 368 } |
| 315 | 369 |
| 2985 | 370 unwind_protect::run_frame ("execute_startup_files"); |
| 1 | 371 } |
| 372 | |
| 5189 | 373 static int |
| 374 execute_eval_option_code (const std::string& code) | |
| 375 { | |
| 376 unwind_protect::begin_frame ("execute_eval_option_code"); | |
| 377 | |
| 7202 | 378 octave_save_signal_mask (); |
| 379 | |
| 380 can_interrupt = true; | |
| 381 | |
| 382 octave_signal_hook = octave_signal_handler; | |
| 383 octave_interrupt_hook = unwind_protect::run_all; | |
| 384 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 385 | |
| 386 octave_catch_interrupts (); | |
| 387 | |
| 388 octave_initialized = true; | |
| 389 | |
| 5189 | 390 unwind_protect_bool (interactive); |
| 391 | |
| 392 interactive = false; | |
| 393 | |
| 394 int parse_status = 0; | |
| 395 | |
| 6487 | 396 try |
| 397 { | |
| 398 eval_string (code, false, parse_status, 0); | |
| 399 } | |
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400 catch (octave_quit_exception e) |
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401 { |
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402 unwind_protect::run_frame ("execute_eval_option_code"); |
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403 clean_up_and_exit (e.status); |
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404 } |
| 7202 | 405 catch (octave_interrupt_exception) |
| 406 { | |
| 407 recover_from_exception (); | |
| 408 octave_stdout << "\n"; | |
| 409 } | |
| 6487 | 410 catch (std::bad_alloc) |
| 411 { | |
| 6680 | 412 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- eval failed" |
| 413 << std::endl; | |
| 6487 | 414 } |
| 5189 | 415 |
| 416 unwind_protect::run_frame ("execute_eval_option_code"); | |
| 417 | |
| 418 return parse_status; | |
| 419 } | |
| 420 | |
| 421 static void | |
| 422 execute_command_line_file (const std::string& fname) | |
| 423 { | |
| 424 unwind_protect::begin_frame ("execute_command_line_file"); | |
| 425 | |
| 7202 | 426 octave_save_signal_mask (); |
| 427 | |
| 428 can_interrupt = true; | |
| 429 | |
| 430 octave_signal_hook = octave_signal_handler; | |
| 431 octave_interrupt_hook = unwind_protect::run_all; | |
| 432 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 433 | |
| 434 octave_catch_interrupts (); | |
| 435 | |
| 436 octave_initialized = true; | |
| 437 | |
| 5189 | 438 unwind_protect_bool (interactive); |
| 439 unwind_protect_bool (reading_script_file); | |
| 440 unwind_protect_bool (input_from_command_line_file); | |
| 441 | |
| 442 unwind_protect_str (curr_fcn_file_name); | |
| 443 unwind_protect_str (curr_fcn_file_full_name); | |
| 444 | |
| 5780 | 445 unwind_protect_str (octave_program_invocation_name); |
| 446 unwind_protect_str (octave_program_name); | |
| 5189 | 447 |
| 448 interactive = false; | |
| 449 reading_script_file = true; | |
| 450 input_from_command_line_file = true; | |
| 451 | |
| 452 curr_fcn_file_name = fname; | |
| 453 curr_fcn_file_full_name = curr_fcn_file_name; | |
| 454 | |
| 5780 | 455 octave_program_invocation_name = curr_fcn_file_name; |
| 5189 | 456 |
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457 size_t pos = curr_fcn_file_name.find_last_of (file_ops::dir_sep_chars ()); |
| 5189 | 458 |
| 8021 | 459 std::string tmp = (pos != std::string::npos) |
| 5189 | 460 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
| 461 | |
| 5780 | 462 octave_program_name = tmp; |
| 5189 | 463 |
| 6504 | 464 try |
| 465 { | |
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466 std::string context; |
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467 bool verbose = false; |
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468 bool require_file = true; |
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469 |
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470 source_file (fname, context, verbose, require_file, "octave"); |
| 6504 | 471 } |
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472 catch (octave_quit_exception e) |
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473 { |
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474 unwind_protect::run_frame ("execute_command_line_file"); |
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475 clean_up_and_exit (e.status); |
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476 } |
| 7202 | 477 catch (octave_interrupt_exception) |
| 478 { | |
| 479 recover_from_exception (); | |
| 480 octave_stdout << "\n"; | |
| 481 } | |
| 6504 | 482 catch (std::bad_alloc) |
| 483 { | |
| 6680 | 484 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- execution of " |
| 485 << fname << " failed" << std::endl; | |
| 6504 | 486 } |
| 5189 | 487 |
| 488 unwind_protect::run_frame ("execute_command_line_file"); | |
| 489 } | |
| 490 | |
| 581 | 491 // Usage message with extra help. |
| 492 | |
| 1 | 493 static void |
| 494 verbose_usage (void) | |
| 495 { | |
| 3922 | 496 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_AND_WARRANTY "\n\ |
| 1613 | 497 \n\ |
| 498 Usage: octave [options]\n\ | |
| 499 \n\ | |
| 500 Options:\n\ | |
| 1119 | 501 \n\ |
| 3180 | 502 --debug, -d Enter parser debugging mode.\n\ |
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503 --doc-cache-file FILE Use doc cache file FILE.\n\ |
| 3180 | 504 --echo-commands, -x Echo commands as they are executed.\n\ |
| 5191 | 505 --eval CODE Evaluate CODE. Exit when done unless --persist.\n\ |
| 1613 | 506 --exec-path PATH Set path for executing subprograms.\n\ |
| 3180 | 507 --help, -h, -? Print short help message and exit.\n\ |
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508 --image-path PATH Add PATH to head of image search path.\n\ |
| 1613 | 509 --info-file FILE Use top-level info file FILE.\n\ |
| 510 --info-program PROGRAM Use PROGRAM for reading info files.\n\ | |
| 3180 | 511 --interactive, -i Force interactive behavior.\n\ |
| 6938 | 512 --line-editing Force readline use for command-line editing.\n\ |
| 3180 | 513 --no-history, -H Don't save commands to the history list\n\ |
| 2470 | 514 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
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515 --no-init-path Don't initialize function search path.\n\ |
| 2212 | 516 --no-line-editing Don't use readline for command-line editing.\n\ |
| 2470 | 517 --no-site-file Don't read the site-wide octaverc file.\n\ |
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518 --no-window-system Disable window system, including graphics.\n\ |
| 3238 | 519 --norc, -f Don't read any initialization files.\n\ |
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520 --path PATH, -p PATH Add PATH to head of function search path.\n\ |
| 5189 | 521 --persist Go interactive after --eval or reading from FILE.\n\ |
| 3180 | 522 --silent, -q Don't print message at startup.\n\ |
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523 --traditional Set variables for closer MATLAB compatibility.\n\ |
| 3180 | 524 --verbose, -V Enable verbose output in some cases.\n\ |
| 525 --version, -v Print version number and exit.\n\ | |
| 1119 | 526 \n\ |
| 5190 | 527 FILE Execute commands from FILE. Exit when done\n\ |
| 5191 | 528 unless --persist is also specified.\n\ |
| 4829 | 529 \n" |
| 530 OCTAVE_WWW_STATEMENT "\n\ | |
| 4356 | 531 \n" |
| 532 OCTAVE_CONTRIB_STATEMENT "\n\ | |
| 533 \n" | |
| 534 OCTAVE_BUGS_STATEMENT "\n"; | |
| 285 | 535 |
| 613 | 536 exit (0); |
| 1 | 537 } |
| 538 | |
| 581 | 539 // Terse usage messsage. |
| 540 | |
| 1 | 541 static void |
| 542 usage (void) | |
| 543 { | |
| 3531 | 544 std::cerr << "usage: " << usage_string << "\n"; |
| 1 | 545 exit (1); |
| 546 } | |
| 547 | |
| 548 static void | |
| 549 print_version_and_exit (void) | |
| 550 { | |
| 3922 | 551 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_WARRANTY_AND_BUGS "\n"; |
| 1 | 552 exit (0); |
| 553 } | |
| 554 | |
| 721 | 555 static void |
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556 lo_error_handler (const char *fmt, ...) |
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557 { |
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558 va_list args; |
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559 va_start (args, fmt); |
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560 verror (fmt, args); |
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561 va_end (args); |
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562 |
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563 octave_throw_execution_exception (); |
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564 } |
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565 |
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566 static void |
| 721 | 567 initialize_error_handlers () |
| 568 { | |
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569 set_liboctave_error_handler (lo_error_handler); |
| 3325 | 570 set_liboctave_warning_handler (warning); |
| 5781 | 571 set_liboctave_warning_with_id_handler (warning_with_id); |
| 721 | 572 } |
| 573 | |
| 1410 | 574 // What happens on --traditional. |
| 575 | |
| 576 static void | |
| 577 maximum_braindamage (void) | |
| 578 { | |
| 5189 | 579 persist = true; |
| 580 | |
| 5794 | 581 bind_internal_variable ("PS1", ">> "); |
| 582 bind_internal_variable ("PS2", ""); | |
| 583 bind_internal_variable ("beep_on_error", true); | |
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584 bind_internal_variable ("confirm_recursive_rmdir", false); |
| 5794 | 585 bind_internal_variable ("crash_dumps_octave_core", false); |
| 586 bind_internal_variable ("default_save_options", "-mat-binary"); | |
| 587 bind_internal_variable ("fixed_point_format", true); | |
| 588 bind_internal_variable ("history_timestamp_format_string", | |
| 5305 | 589 "%%-- %D %I:%M %p --%%"); |
| 5794 | 590 bind_internal_variable ("page_screen_output", false); |
| 591 bind_internal_variable ("print_empty_dimensions", false); | |
| 5904 | 592 |
| 6159 | 593 disable_warning ("Octave:fopen-file-in-path"); |
| 5904 | 594 disable_warning ("Octave:function-name-clash"); |
| 6159 | 595 disable_warning ("Octave:load-file-in-path"); |
| 1410 | 596 } |
| 597 | |
| 581 | 598 // You guessed it. |
| 599 | |
| 1 | 600 int |
| 4368 | 601 octave_main (int argc, char **argv, int embedded) |
| 1 | 602 { |
| 3019 | 603 octave_env::set_program_name (argv[0]); |
| 604 | |
| 5780 | 605 octave_program_invocation_name = octave_env::get_program_invocation_name (); |
| 606 octave_program_name = octave_env::get_program_name (); | |
| 607 | |
| 2205 | 608 // The order of these calls is important. The call to |
| 2926 | 609 // install_defaults must come before install_builtins because |
| 3019 | 610 // default variable values must be available for the variables to be |
| 2205 | 611 // installed, and the call to install_builtins must come before the |
| 612 // options are processed because some command line options override | |
| 5794 | 613 // defaults by calling bind_internal_variable. |
| 721 | 614 |
| 5844 | 615 init_signals (); |
| 616 | |
| 1 | 617 sysdep_init (); |
| 618 | |
| 4159 | 619 // The idea here is to force xerbla to be referenced so that we will |
| 620 // link to our own version instead of the one provided by the BLAS | |
| 621 // library. But octave_NaN should never be -1, so we should never | |
| 622 // actually call xerbla. | |
| 623 | |
| 624 if (octave_NaN == -1) | |
| 625 F77_FUNC (xerbla, XERBLA) ("octave", 13, 6L); | |
| 626 | |
| 721 | 627 initialize_error_handlers (); |
| 223 | 628 |
| 5794 | 629 initialize_default_warning_state (); |
| 630 | |
| 2926 | 631 install_defaults (); |
| 1 | 632 |
| 1792 | 633 initialize_pathsearch (); |
| 1744 | 634 |
| 4368 | 635 if (! embedded) |
| 636 install_signal_handlers (); | |
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637 else |
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638 quit_allowed = false; |
| 2205 | 639 |
| 640 initialize_file_io (); | |
| 641 | |
| 2375 | 642 install_types (); |
| 643 | |
| 644 install_ops (); | |
| 2205 | 645 |
| 646 install_builtins (); | |
| 647 | |
| 1817 | 648 prog_args args (argc, argv, short_opts, long_opts); |
| 649 | |
| 6938 | 650 bool forced_line_editing = false; |
| 651 | |
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652 bool read_history_file = true; |
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653 |
| 139 | 654 int optc; |
| 1817 | 655 while ((optc = args.getopt ()) != EOF) |
| 1 | 656 { |
| 139 | 657 switch (optc) |
| 1 | 658 { |
| 3180 | 659 case 'H': |
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660 read_history_file = false; |
| 5794 | 661 bind_internal_variable ("saving_history", false); |
| 3180 | 662 break; |
| 663 | |
| 793 | 664 case 'V': |
| 2239 | 665 verbose_flag = true; |
| 793 | 666 break; |
| 667 | |
| 1 | 668 case 'd': |
| 4753 | 669 // This is the same as yydebug in parse.y. |
| 670 octave_debug++; | |
| 1 | 671 break; |
| 777 | 672 |
| 1 | 673 case 'f': |
| 2239 | 674 read_init_files = false; |
| 675 read_site_files = false; | |
| 1 | 676 break; |
| 777 | 677 |
| 1 | 678 case 'h': |
| 679 case '?': | |
| 680 verbose_usage (); | |
| 681 break; | |
| 777 | 682 |
| 1 | 683 case 'i': |
| 3019 | 684 forced_interactive = true; |
| 1 | 685 break; |
| 777 | 686 |
| 1 | 687 case 'p': |
| 1817 | 688 if (args.optarg ()) |
| 5832 | 689 load_path::set_command_line_path (args.optarg ()); |
| 1 | 690 break; |
| 777 | 691 |
| 1 | 692 case 'q': |
| 2239 | 693 inhibit_startup_message = true; |
| 1 | 694 break; |
| 777 | 695 |
| 1 | 696 case 'x': |
| 2205 | 697 { |
| 698 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); | |
| 5794 | 699 bind_internal_variable ("echo_executing_commands", tmp); |
| 2205 | 700 } |
| 1 | 701 break; |
| 777 | 702 |
| 1 | 703 case 'v': |
| 704 print_version_and_exit (); | |
| 705 break; | |
| 777 | 706 |
| 8861 | 707 case DOC_CACHE_FILE_OPTION: |
| 708 if (args.optarg ()) | |
| 709 bind_internal_variable ("doc_cache_file", args.optarg ()); | |
| 710 break; | |
| 711 | |
| 5189 | 712 case EVAL_OPTION: |
| 713 if (args.optarg ()) | |
| 5193 | 714 { |
| 715 if (code_to_eval.empty ()) | |
| 716 code_to_eval = args.optarg (); | |
| 717 else | |
| 718 code_to_eval += std::string (" ") + args.optarg (); | |
| 719 } | |
| 5189 | 720 break; |
| 721 | |
| 1613 | 722 case EXEC_PATH_OPTION: |
| 1817 | 723 if (args.optarg ()) |
| 5814 | 724 set_exec_path (args.optarg ()); |
| 725 break; | |
| 726 | |
| 727 case IMAGE_PATH_OPTION: | |
| 728 if (args.optarg ()) | |
| 729 set_image_path (args.optarg ()); | |
| 1613 | 730 break; |
| 731 | |
| 186 | 732 case INFO_FILE_OPTION: |
| 1817 | 733 if (args.optarg ()) |
| 5794 | 734 bind_internal_variable ("info_file", args.optarg ()); |
| 186 | 735 break; |
| 777 | 736 |
| 1613 | 737 case INFO_PROG_OPTION: |
| 1817 | 738 if (args.optarg ()) |
| 5794 | 739 bind_internal_variable ("info_program", args.optarg ()); |
| 1613 | 740 break; |
| 741 | |
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742 case LINE_EDITING_OPTION: |
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743 forced_line_editing = true; |
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744 break; |
| 6938 | 745 |
| 2239 | 746 case NO_INIT_FILE_OPTION: |
| 747 read_init_files = false; | |
| 748 break; | |
| 749 | |
| 1821 | 750 case NO_LINE_EDITING_OPTION: |
| 3019 | 751 line_editing = false; |
| 2239 | 752 break; |
| 753 | |
| 754 case NO_SITE_FILE_OPTION: | |
| 755 read_site_files = 0; | |
| 1821 | 756 break; |
| 757 | |
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758 case NO_INIT_PATH_OPTION: |
| 6365 | 759 set_initial_path = false; |
| 760 break; | |
| 761 | |
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762 case NO_WINDOW_SYSTEM_OPTION: |
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763 display_info::no_window_system (); |
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764 break; |
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765 |
| 1410 | 766 case TRADITIONAL_OPTION: |
| 2239 | 767 traditional = true; |
| 1410 | 768 break; |
| 769 | |
| 5189 | 770 case PERSIST_OPTION: |
| 771 persist = true; | |
| 772 break; | |
| 773 | |
| 1 | 774 default: |
| 775 usage (); | |
| 776 break; | |
| 777 } | |
| 778 } | |
| 779 | |
| 1651 | 780 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
| 2077 | 781 // Make sure we clean up when we exit. Also allow users to register |
| 782 // functions. If we don't have atexit or on_exit, we're going to | |
| 783 // leave some junk files around if we exit abnormally. | |
| 784 | |
| 785 atexit (do_octave_atexit); | |
| 318 | 786 #endif |
| 1 | 787 |
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788 // Is input coming from a terminal? If so, we are probably |
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789 // interactive. |
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790 |
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791 interactive = (! embedded |
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792 && isatty (fileno (stdin)) && isatty (fileno (stdout))); |
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793 |
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794 if (! interactive && ! forced_line_editing) |
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795 line_editing = false; |
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796 |
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797 // Force default line editor if we don't want readline editing. |
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Jaroslav Hajek <highegg@gmail.com>
parents:
9320
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changeset
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798 if (! line_editing) |
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Jaroslav Hajek <highegg@gmail.com>
parents:
9320
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799 command_editor::force_default_editor (); |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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changeset
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800 |
| 1358 | 801 // These can come after command line args since none of them set any |
| 802 // defaults that might be changed by command line options. | |
| 581 | 803 |
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don't garble readline settings when line editing is disabled
Jaroslav Hajek <highegg@gmail.com>
parents:
9260
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changeset
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804 if (line_editing) |
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080dc45ea682
don't garble readline settings when line editing is disabled
Jaroslav Hajek <highegg@gmail.com>
parents:
9260
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changeset
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805 initialize_command_input (); |
| 315 | 806 |
| 578 | 807 if (! inhibit_startup_message) |
| 3538 | 808 std::cout << OCTAVE_STARTUP_MESSAGE "\n" << std::endl; |
| 578 | 809 |
| 1410 | 810 if (traditional) |
| 811 maximum_braindamage (); | |
| 812 | |
| 4217 | 813 octave_interpreter_ready = true; |
| 814 | |
| 5654 | 815 initialize_version_info (); |
| 816 | |
|
8099
e0a6e54f5a19
octave.cc (octave_main): make all command-line arguments available to startup scripts
John W. Eaton <jwe@octave.org>
parents:
8021
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changeset
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817 // Make all command-line arguments available to startup files, |
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John W. Eaton <jwe@octave.org>
parents:
8021
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changeset
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818 // including PKG_ADD files. |
|
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John W. Eaton <jwe@octave.org>
parents:
8021
diff
changeset
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819 |
|
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John W. Eaton <jwe@octave.org>
parents:
8021
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changeset
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820 intern_argv (argc, argv); |
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John W. Eaton <jwe@octave.org>
parents:
8021
diff
changeset
|
821 |
| 6365 | 822 load_path::initialize (set_initial_path); |
| 4217 | 823 |
| 2239 | 824 execute_startup_files (); |
| 1651 | 825 |
|
8273
2c1ba965b486
skip reading history file with --no-history option
John W. Eaton <jwe@octave.org>
parents:
8099
diff
changeset
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826 initialize_history (read_history_file); |
| 1 | 827 |
| 578 | 828 if (! inhibit_startup_message && reading_startup_message_printed) |
| 3538 | 829 std::cout << std::endl; |
| 578 | 830 |
| 1358 | 831 // If there is an extra argument, see if it names a file to read. |
| 832 // Additional arguments are taken as command line options for the | |
| 833 // script. | |
| 1 | 834 |
| 1817 | 835 int last_arg_idx = args.optind (); |
| 3019 | 836 |
| 1817 | 837 int remaining_args = argc - last_arg_idx; |
| 3019 | 838 |
| 5189 | 839 if (! code_to_eval.empty ()) |
| 149 | 840 { |
| 5189 | 841 int parse_status = execute_eval_option_code (code_to_eval); |
| 842 | |
| 5242 | 843 if (! (persist || remaining_args > 0)) |
| 5502 | 844 clean_up_and_exit (parse_status || error_state ? 1 : 0); |
| 1 | 845 } |
| 846 | |
| 5189 | 847 if (remaining_args > 0) |
| 848 { | |
| 849 // If we are running an executable script (#! /bin/octave) then | |
| 850 // we should only see the args passed to the script. | |
| 851 | |
| 852 intern_argv (remaining_args, argv+last_arg_idx); | |
| 853 | |
| 854 execute_command_line_file (argv[last_arg_idx]); | |
| 855 | |
| 856 if (! persist) | |
| 5502 | 857 clean_up_and_exit (error_state ? 1 : 0); |
| 5189 | 858 } |
| 859 | |
| 860 // Avoid counting commands executed from startup files. | |
| 861 | |
| 862 command_editor::reset_current_command_number (1); | |
| 863 | |
| 864 // Now argv should have the full set of args. | |
| 865 intern_argv (argc, argv); | |
| 866 | |
| 867 if (! embedded) | |
| 868 switch_to_buffer (create_buffer (get_input_from_stdin ())); | |
| 869 | |
| 1358 | 870 // Force input to be echoed if not really interactive, but the user |
| 871 // has forced interactive behavior. | |
| 1 | 872 |
| 1907 | 873 if (! interactive && forced_interactive) |
| 287 | 874 { |
| 2926 | 875 command_editor::blink_matching_paren (false); |
| 1588 | 876 |
| 5775 | 877 // FIXME -- is this the right thing to do? |
| 1588 | 878 |
| 5794 | 879 bind_internal_variable ("echo_executing_commands", ECHO_CMD_LINE); |
| 287 | 880 } |
| 1 | 881 |
| 4368 | 882 if (embedded) |
| 5502 | 883 { |
| 5775 | 884 // FIXME -- do we need to do any cleanup here before |
| 5502 | 885 // returning? If we don't, what will happen to Octave functions |
| 886 // that have been registered to execute with atexit, for example? | |
| 887 | |
| 888 return 1; | |
| 889 } | |
| 4368 | 890 |
| 5189 | 891 int retval = main_loop (); |
| 1 | 892 |
| 1005 | 893 if (retval == 1 && ! error_state) |
| 894 retval = 0; | |
| 895 | |
| 1 | 896 clean_up_and_exit (retval); |
| 4247 | 897 |
| 898 return 0; | |
| 1 | 899 } |
| 900 | |
| 5780 | 901 DEFUN (argv, args, , |
| 902 "-*- texinfo -*-\n\ | |
| 903 @deftypefn {Built-in Function} {} argv ()\n\ | |
| 904 Return the command line arguments passed to Octave. For example,\n\ | |
| 905 if you invoked Octave using the command\n\ | |
| 906 \n\ | |
| 907 @example\n\ | |
| 908 octave --no-line-editing --silent\n\ | |
| 909 @end example\n\ | |
| 910 \n\ | |
| 911 @noindent\n\ | |
| 912 @code{argv} would return a cell array of strings with the elements\n\ | |
| 913 @code{--no-line-editing} and @code{--silent}.\n\ | |
| 914 \n\ | |
| 915 If you write an executable Octave script, @code{argv} will return the\n\ | |
| 916 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ | |
| 917 for an example of how to create an executable Octave script.\n\ | |
| 918 @end deftypefn") | |
| 919 { | |
| 920 octave_value retval; | |
| 921 | |
| 922 if (args.length () == 0) | |
| 923 retval = Cell (octave_argv); | |
| 924 else | |
| 5823 | 925 print_usage (); |
| 5780 | 926 |
| 927 return retval; | |
| 928 } | |
| 929 | |
| 930 DEFUN (program_invocation_name, args, , | |
| 931 "-*- texinfo -*-\n\ | |
| 932 @deftypefn {Built-in Function} program_invocation_name ()\n\ | |
| 933 Return the name that was typed at the shell prompt to run Octave.\n\ | |
| 934 \n\ | |
| 935 If executing a script from the command line (e.g., @code{octave foo.m})\n\ | |
| 936 or using an executable Octave script, the program name is set to the\n\ | |
| 937 name of the script. @xref{Executable Octave Programs}, for an example of\n\ | |
| 938 how to create an executable Octave script.\n\ | |
| 939 @seealso{program_name}\n\ | |
| 940 @end deftypefn") | |
| 941 { | |
| 942 octave_value retval; | |
| 943 | |
| 944 if (args.length () == 0) | |
| 945 retval = octave_program_invocation_name; | |
| 946 else | |
| 5823 | 947 print_usage (); |
| 5780 | 948 |
| 949 return retval; | |
| 950 } | |
| 951 | |
| 952 DEFUN (program_name, args, , | |
| 953 "-*- texinfo -*-\n\ | |
| 954 @deftypefn {Built-in Function} {} program_name ()\n\ | |
|
8347
fa78cb8d8a5c
corrections for typos
Brian Gough<bjg@network-theory.co.uk>
parents:
8273
diff
changeset
|
955 Return the last component of the value returned by\n\ |
| 5780 | 956 @code{program_invocation_name}.\n\ |
| 957 @seealso{program_invocation_name}\n\ | |
| 958 @end deftypefn") | |
| 959 { | |
| 960 octave_value retval; | |
| 961 | |
| 962 if (args.length () == 0) | |
| 963 retval = octave_program_name; | |
| 964 else | |
| 5823 | 965 print_usage (); |
| 5780 | 966 |
| 967 return retval; | |
| 968 } | |
| 969 | |
| 560 | 970 /* |
| 1 | 971 ;;; Local Variables: *** |
| 972 ;;; mode: C++ *** | |
| 973 ;;; End: *** | |
| 974 */ |