Mercurial > octave
annotate src/octave.cc @ 9724:f22bbc5d56e9
Fix various incorrect usages of TeXinfo deffn and deftypefn macros
which were causing bad entries in the function index.
| author | Rik <rdrider0-list@yahoo.com> |
|---|---|
| date | Tue, 13 Oct 2009 21:10:37 -0700 |
| parents | 0fcbfddaa87f |
| children | 892e2aa7bc75 |
| 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\ |
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130 [--info-program prog] [--interactive] [--line-editing]\n\ |
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131 [--no-history] [--no-init-file] [--no-init-path] [--no-line-editing]\n\ |
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132 [--no-site-file] [--no-window-system] [-p path] [--path path]\n\ |
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133 [--silent] [--traditional] [--verbose] [--version] [file]"; |
| 1 | 134 |
| 1358 | 135 // This is here so that it's more likely that the usage message and |
| 1410 | 136 // the real set of options will agree. Note: the `+' must come first |
| 137 // to prevent getopt from permuting arguments! | |
| 3180 | 138 static const char *short_opts = "+?HVdfhip:qvx"; |
| 139 | 139 |
| 5189 | 140 // The code to evaluate at startup (--eval CODE) |
| 141 static std::string code_to_eval; | |
| 142 | |
| 143 // If TRUE, don't exit after evaluating code given by --eval option. | |
| 144 static bool persist = false; | |
| 4356 | 145 |
| 1103 | 146 // Long options. See the comments in getopt.h for the meanings of the |
| 147 // fields in this structure. | |
| 8861 | 148 #define DOC_CACHE_FILE_OPTION 1 |
| 149 #define EVAL_OPTION 2 | |
| 150 #define EXEC_PATH_OPTION 3 | |
| 151 #define IMAGE_PATH_OPTION 4 | |
| 152 #define INFO_FILE_OPTION 5 | |
| 153 #define INFO_PROG_OPTION 6 | |
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154 #define LINE_EDITING_OPTION 7 |
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155 #define NO_INIT_FILE_OPTION 8 |
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156 #define NO_INIT_PATH_OPTION 9 |
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157 #define NO_LINE_EDITING_OPTION 10 |
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158 #define NO_SITE_FILE_OPTION 11 |
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159 #define NO_WINDOW_SYSTEM_OPTION 12 |
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160 #define PERSIST_OPTION 13 |
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161 #define TRADITIONAL_OPTION 14 |
| 1817 | 162 long_options long_opts[] = |
| 139 | 163 { |
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164 { "braindead", prog_args::no_arg, 0, TRADITIONAL_OPTION }, |
| 1855 | 165 { "debug", prog_args::no_arg, 0, 'd' }, |
| 8861 | 166 { "doc-cache-file", prog_args::required_arg, 0, DOC_CACHE_FILE_OPTION }, |
| 1855 | 167 { "echo-commands", prog_args::no_arg, 0, 'x' }, |
| 5189 | 168 { "eval", prog_args::required_arg, 0, EVAL_OPTION }, |
| 1855 | 169 { "exec-path", prog_args::required_arg, 0, EXEC_PATH_OPTION }, |
| 170 { "help", prog_args::no_arg, 0, 'h' }, | |
| 5814 | 171 { "image-path", prog_args::required_arg, 0, IMAGE_PATH_OPTION }, |
| 1855 | 172 { "info-file", prog_args::required_arg, 0, INFO_FILE_OPTION }, |
| 173 { "info-program", prog_args::required_arg, 0, INFO_PROG_OPTION }, | |
| 174 { "interactive", prog_args::no_arg, 0, 'i' }, | |
| 6938 | 175 { "line-editing", prog_args::no_arg, 0, LINE_EDITING_OPTION }, |
| 3180 | 176 { "no-history", prog_args::no_arg, 0, 'H' }, |
| 2239 | 177 { "no-init-file", prog_args::no_arg, 0, NO_INIT_FILE_OPTION }, |
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178 { "no-init-path", prog_args::no_arg, 0, NO_INIT_PATH_OPTION }, |
| 1855 | 179 { "no-line-editing", prog_args::no_arg, 0, NO_LINE_EDITING_OPTION }, |
| 2239 | 180 { "no-site-file", prog_args::no_arg, 0, NO_SITE_FILE_OPTION }, |
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181 { "no-window-system", prog_args::no_arg, 0, NO_WINDOW_SYSTEM_OPTION }, |
| 1855 | 182 { "norc", prog_args::no_arg, 0, 'f' }, |
| 183 { "path", prog_args::required_arg, 0, 'p' }, | |
| 5189 | 184 { "persist", prog_args::no_arg, 0, PERSIST_OPTION }, |
| 1855 | 185 { "quiet", prog_args::no_arg, 0, 'q' }, |
| 186 { "silent", prog_args::no_arg, 0, 'q' }, | |
| 187 { "traditional", prog_args::no_arg, 0, TRADITIONAL_OPTION }, | |
| 188 { "verbose", prog_args::no_arg, 0, 'V' }, | |
| 189 { "version", prog_args::no_arg, 0, 'v' }, | |
| 3019 | 190 { 0, 0, 0, 0 } |
| 139 | 191 }; |
| 1 | 192 |
| 1355 | 193 // Store the command-line options for later use. |
| 194 | |
| 195 static void | |
| 196 intern_argv (int argc, char **argv) | |
| 197 { | |
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198 assert (symbol_table::at_top_level ()); |
| 4892 | 199 |
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200 symbol_table::varref (".nargin.") = argc - 1; |
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201 |
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202 symbol_table::mark_hidden (".nargin."); |
| 3195 | 203 |
| 1355 | 204 if (argc > 1) |
| 205 { | |
| 7336 | 206 octave_argv.resize (argc - 1); |
| 3933 | 207 |
| 2495 | 208 // Skip program name in argv. |
| 3933 | 209 int i = argc; |
| 210 while (--i > 0) | |
| 5780 | 211 octave_argv[i-1] = *(argv+i); |
| 1355 | 212 } |
| 213 } | |
| 214 | |
| 1792 | 215 static void |
| 216 initialize_pathsearch (void) | |
| 217 { | |
| 218 // This may seem odd, but doing it this way means that we don't have | |
| 219 // to modify the kpathsea library... | |
| 220 | |
| 3523 | 221 std::string odb = octave_env::getenv ("OCTAVE_DB_PATH"); |
| 3141 | 222 |
| 223 // For backward compatibility. | |
| 1792 | 224 |
| 2926 | 225 if (odb.empty ()) |
| 3141 | 226 odb = octave_env::getenv ("OCTAVE_DB_DIR"); |
| 1792 | 227 |
| 3141 | 228 if (odb.empty ()) |
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229 odb = Vdata_dir + file_ops::dir_sep_str () + "octave:" |
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230 + Vlibexec_dir + file_ops::dir_sep_str () + "octave"; |
| 1792 | 231 } |
| 232 | |
| 5654 | 233 DEFUN (__version_info__, args, , |
| 234 "-*- texinfo -*-\n\ | |
| 6678 | 235 @deftypefn {Built-in Function} {retval =} __version_info__ (@var{name}, @var{version}, @var{release}, @var{date})\n\ |
| 6945 | 236 Undocumented internal function.\n\ |
| 5654 | 237 @end deftypefn") |
| 238 { | |
| 239 octave_value retval; | |
| 240 | |
| 241 static Octave_map vinfo; | |
| 242 | |
| 243 int nargin = args.length (); | |
| 244 | |
| 5658 | 245 if (nargin == 4) |
| 5654 | 246 { |
| 6639 | 247 if (vinfo.nfields () == 0) |
| 5781 | 248 { |
| 249 vinfo.assign ("Name", args (0)); | |
| 250 vinfo.assign ("Version", args (1)); | |
| 251 vinfo.assign ("Release", args (2)); | |
| 252 vinfo.assign ("Date", args (3)); | |
| 253 } | |
| 254 else | |
| 255 { | |
| 256 octave_idx_type n = vinfo.numel () + 1; | |
| 5654 | 257 |
| 5781 | 258 vinfo.resize (dim_vector (n, 1)); |
| 259 | |
| 260 octave_value idx (n); | |
| 261 | |
| 262 vinfo.assign (idx, "Name", Cell (octave_value (args (0)))); | |
| 263 vinfo.assign (idx, "Version", Cell (octave_value (args (1)))); | |
| 264 vinfo.assign (idx, "Release", Cell (octave_value (args (2)))); | |
| 265 vinfo.assign (idx, "Date", Cell (octave_value (args (3)))); | |
| 266 } | |
| 5654 | 267 } |
| 268 else if (nargin == 0) | |
| 269 retval = vinfo; | |
| 270 else | |
| 5823 | 271 print_usage (); |
| 5654 | 272 |
| 273 return retval; | |
| 274 } | |
| 275 | |
| 276 static void | |
| 277 initialize_version_info (void) | |
| 278 { | |
| 279 octave_value_list args; | |
| 280 | |
| 5658 | 281 args(3) = OCTAVE_RELEASE_DATE; |
| 282 args(2) = OCTAVE_RELEASE; | |
| 5654 | 283 args(1) = OCTAVE_VERSION; |
| 284 args(0) = "GNU Octave"; | |
| 285 | |
| 286 F__version_info__ (args, 0); | |
| 287 } | |
| 288 | |
| 581 | 289 // Initialize by reading startup files. |
| 290 | |
| 1 | 291 static void |
| 292 execute_startup_files (void) | |
| 293 { | |
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294 unwind_protect::frame_id_t uwp_frame = unwind_protect::begin_frame (); |
| 315 | 295 |
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296 unwind_protect::protect_var (input_from_startup_file); |
| 1651 | 297 |
| 3019 | 298 input_from_startup_file = true; |
| 315 | 299 |
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300 std::string context; |
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301 |
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302 bool verbose = (verbose_flag && ! inhibit_startup_message); |
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303 |
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304 bool require_file = false; |
| 578 | 305 |
| 2239 | 306 if (read_site_files) |
| 1 | 307 { |
| 2239 | 308 // Execute commands from the site-wide configuration file. |
| 309 // First from the file $(prefix)/lib/octave/site/m/octaverc | |
| 310 // (if it exists), then from the file | |
| 3597 | 311 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
| 1755 | 312 |
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313 source_file (Vlocal_site_defaults_file, context, verbose, require_file); |
| 1755 | 314 |
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315 source_file (Vsite_defaults_file, context, verbose, require_file); |
| 1 | 316 } |
| 317 | |
| 2239 | 318 if (read_init_files) |
| 319 { | |
| 2512 | 320 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
| 321 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc | |
| 322 // is assumed. | |
| 2239 | 323 |
| 4804 | 324 bool home_rc_already_executed = false; |
| 2512 | 325 |
| 3523 | 326 std::string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
| 2512 | 327 |
| 2926 | 328 if (initfile.empty ()) |
| 2512 | 329 initfile = ".octaverc"; |
| 330 | |
| 3523 | 331 std::string home_dir = octave_env::get_home_directory (); |
| 2926 | 332 |
| 4804 | 333 std::string home_rc = octave_env::make_absolute (initfile, home_dir); |
| 334 | |
| 335 std::string local_rc; | |
| 2239 | 336 |
| 5781 | 337 if (! home_rc.empty ()) |
| 2239 | 338 { |
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339 source_file (home_rc, context, verbose, require_file); |
| 2239 | 340 |
| 341 // Names alone are not enough. | |
| 342 | |
| 343 file_stat fs_home_rc (home_rc); | |
| 344 | |
| 345 if (fs_home_rc) | |
| 346 { | |
| 4804 | 347 // We want to check for curr_dir after executing home_rc |
| 348 // because doing that may change the working directory. | |
| 349 | |
| 350 std::string curr_dir = octave_env::getcwd (); | |
| 351 | |
| 352 local_rc = octave_env::make_absolute (initfile, curr_dir); | |
| 353 | |
| 6598 | 354 home_rc_already_executed = same_file (home_rc, local_rc); |
| 2239 | 355 } |
| 356 } | |
| 357 | |
| 358 if (! home_rc_already_executed) | |
| 4804 | 359 { |
| 360 if (local_rc.empty ()) | |
| 361 { | |
| 362 std::string curr_dir = octave_env::getcwd (); | |
| 363 | |
| 364 local_rc = octave_env::make_absolute (initfile, curr_dir); | |
| 365 } | |
| 366 | |
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367 source_file (local_rc, context, verbose, require_file); |
| 4804 | 368 } |
| 2239 | 369 } |
| 315 | 370 |
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371 unwind_protect::run_frame (uwp_frame); |
| 1 | 372 } |
| 373 | |
| 5189 | 374 static int |
| 375 execute_eval_option_code (const std::string& code) | |
| 376 { | |
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377 unwind_protect::frame_id_t uwp_frame = unwind_protect::begin_frame (); |
| 5189 | 378 |
| 7202 | 379 octave_save_signal_mask (); |
| 380 | |
| 381 can_interrupt = true; | |
| 382 | |
| 383 octave_signal_hook = octave_signal_handler; | |
| 384 octave_interrupt_hook = unwind_protect::run_all; | |
| 385 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 386 | |
| 387 octave_catch_interrupts (); | |
| 388 | |
| 389 octave_initialized = true; | |
| 390 | |
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391 unwind_protect::protect_var (interactive); |
| 5189 | 392 |
| 393 interactive = false; | |
| 394 | |
| 395 int parse_status = 0; | |
| 396 | |
| 6487 | 397 try |
| 398 { | |
| 399 eval_string (code, false, parse_status, 0); | |
| 400 } | |
| 7202 | 401 catch (octave_interrupt_exception) |
| 402 { | |
| 403 recover_from_exception (); | |
| 404 octave_stdout << "\n"; | |
| 9383 | 405 if (quitting_gracefully) |
| 406 clean_up_and_exit (exit_status); | |
| 7202 | 407 } |
| 6487 | 408 catch (std::bad_alloc) |
| 409 { | |
| 6680 | 410 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- eval failed" |
| 411 << std::endl; | |
| 6487 | 412 } |
| 5189 | 413 |
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414 unwind_protect::run_frame (uwp_frame); |
| 5189 | 415 |
| 416 return parse_status; | |
| 417 } | |
| 418 | |
| 419 static void | |
| 420 execute_command_line_file (const std::string& fname) | |
| 421 { | |
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422 unwind_protect::frame_id_t uwp_frame = unwind_protect::begin_frame (); |
| 5189 | 423 |
| 7202 | 424 octave_save_signal_mask (); |
| 425 | |
| 426 can_interrupt = true; | |
| 427 | |
| 428 octave_signal_hook = octave_signal_handler; | |
| 429 octave_interrupt_hook = unwind_protect::run_all; | |
| 430 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 431 | |
| 432 octave_catch_interrupts (); | |
| 433 | |
| 434 octave_initialized = true; | |
| 435 | |
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436 unwind_protect::protect_var (interactive); |
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437 unwind_protect::protect_var (reading_script_file); |
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438 unwind_protect::protect_var (input_from_command_line_file); |
| 5189 | 439 |
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440 unwind_protect::protect_var (curr_fcn_file_name); |
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441 unwind_protect::protect_var (curr_fcn_file_full_name); |
| 5189 | 442 |
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443 unwind_protect::protect_var (octave_program_invocation_name); |
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444 unwind_protect::protect_var (octave_program_name); |
| 5189 | 445 |
| 446 interactive = false; | |
| 447 reading_script_file = true; | |
| 448 input_from_command_line_file = true; | |
| 449 | |
| 450 curr_fcn_file_name = fname; | |
| 451 curr_fcn_file_full_name = curr_fcn_file_name; | |
| 452 | |
| 5780 | 453 octave_program_invocation_name = curr_fcn_file_name; |
| 5189 | 454 |
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455 size_t pos = curr_fcn_file_name.find_last_of (file_ops::dir_sep_chars ()); |
| 5189 | 456 |
| 8021 | 457 std::string tmp = (pos != std::string::npos) |
| 5189 | 458 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
| 459 | |
| 5780 | 460 octave_program_name = tmp; |
| 5189 | 461 |
| 6504 | 462 try |
| 463 { | |
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464 std::string context; |
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465 bool verbose = false; |
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466 bool require_file = true; |
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467 |
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468 source_file (fname, context, verbose, require_file, "octave"); |
| 6504 | 469 } |
| 7202 | 470 catch (octave_interrupt_exception) |
| 471 { | |
| 472 recover_from_exception (); | |
| 473 octave_stdout << "\n"; | |
| 9383 | 474 if (quitting_gracefully) |
| 475 clean_up_and_exit (exit_status); | |
| 7202 | 476 } |
| 6504 | 477 catch (std::bad_alloc) |
| 478 { | |
| 6680 | 479 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- execution of " |
| 480 << fname << " failed" << std::endl; | |
| 6504 | 481 } |
| 5189 | 482 |
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483 unwind_protect::run_frame (uwp_frame); |
| 5189 | 484 } |
| 485 | |
| 581 | 486 // Usage message with extra help. |
| 487 | |
| 1 | 488 static void |
| 489 verbose_usage (void) | |
| 490 { | |
| 3922 | 491 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_AND_WARRANTY "\n\ |
| 1613 | 492 \n\ |
| 493 Usage: octave [options]\n\ | |
| 494 \n\ | |
| 495 Options:\n\ | |
| 1119 | 496 \n\ |
| 3180 | 497 --debug, -d Enter parser debugging mode.\n\ |
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498 --doc-cache-file FILE Use doc cache file FILE.\n\ |
| 3180 | 499 --echo-commands, -x Echo commands as they are executed.\n\ |
| 5191 | 500 --eval CODE Evaluate CODE. Exit when done unless --persist.\n\ |
| 1613 | 501 --exec-path PATH Set path for executing subprograms.\n\ |
| 3180 | 502 --help, -h, -? Print short help message and exit.\n\ |
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503 --image-path PATH Add PATH to head of image search path.\n\ |
| 1613 | 504 --info-file FILE Use top-level info file FILE.\n\ |
| 505 --info-program PROGRAM Use PROGRAM for reading info files.\n\ | |
| 3180 | 506 --interactive, -i Force interactive behavior.\n\ |
| 6938 | 507 --line-editing Force readline use for command-line editing.\n\ |
| 3180 | 508 --no-history, -H Don't save commands to the history list\n\ |
| 2470 | 509 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
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510 --no-init-path Don't initialize function search path.\n\ |
| 2212 | 511 --no-line-editing Don't use readline for command-line editing.\n\ |
| 2470 | 512 --no-site-file Don't read the site-wide octaverc file.\n\ |
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513 --no-window-system Disable window system, including graphics.\n\ |
| 3238 | 514 --norc, -f Don't read any initialization files.\n\ |
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515 --path PATH, -p PATH Add PATH to head of function search path.\n\ |
| 5189 | 516 --persist Go interactive after --eval or reading from FILE.\n\ |
| 3180 | 517 --silent, -q Don't print message at startup.\n\ |
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518 --traditional Set variables for closer MATLAB compatibility.\n\ |
| 3180 | 519 --verbose, -V Enable verbose output in some cases.\n\ |
| 520 --version, -v Print version number and exit.\n\ | |
| 1119 | 521 \n\ |
| 5190 | 522 FILE Execute commands from FILE. Exit when done\n\ |
| 5191 | 523 unless --persist is also specified.\n\ |
| 4829 | 524 \n" |
| 525 OCTAVE_WWW_STATEMENT "\n\ | |
| 4356 | 526 \n" |
| 527 OCTAVE_CONTRIB_STATEMENT "\n\ | |
| 528 \n" | |
| 529 OCTAVE_BUGS_STATEMENT "\n"; | |
| 285 | 530 |
| 613 | 531 exit (0); |
| 1 | 532 } |
| 533 | |
| 581 | 534 // Terse usage messsage. |
| 535 | |
| 1 | 536 static void |
| 537 usage (void) | |
| 538 { | |
| 3531 | 539 std::cerr << "usage: " << usage_string << "\n"; |
| 1 | 540 exit (1); |
| 541 } | |
| 542 | |
| 543 static void | |
| 544 print_version_and_exit (void) | |
| 545 { | |
| 3922 | 546 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_WARRANTY_AND_BUGS "\n"; |
| 1 | 547 exit (0); |
| 548 } | |
| 549 | |
| 721 | 550 static void |
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551 lo_error_handler (const char *fmt, ...) |
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552 { |
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553 va_list args; |
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554 va_start (args, fmt); |
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555 verror (fmt, args); |
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556 va_end (args); |
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557 |
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558 octave_throw_execution_exception (); |
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559 } |
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560 |
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561 static void |
| 721 | 562 initialize_error_handlers () |
| 563 { | |
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564 set_liboctave_error_handler (lo_error_handler); |
| 3325 | 565 set_liboctave_warning_handler (warning); |
| 5781 | 566 set_liboctave_warning_with_id_handler (warning_with_id); |
| 721 | 567 } |
| 568 | |
| 1410 | 569 // What happens on --traditional. |
| 570 | |
| 571 static void | |
| 572 maximum_braindamage (void) | |
| 573 { | |
| 5189 | 574 persist = true; |
| 575 | |
| 5794 | 576 bind_internal_variable ("PS1", ">> "); |
| 577 bind_internal_variable ("PS2", ""); | |
| 578 bind_internal_variable ("beep_on_error", true); | |
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579 bind_internal_variable ("confirm_recursive_rmdir", false); |
| 5794 | 580 bind_internal_variable ("crash_dumps_octave_core", false); |
| 581 bind_internal_variable ("default_save_options", "-mat-binary"); | |
| 582 bind_internal_variable ("fixed_point_format", true); | |
| 583 bind_internal_variable ("history_timestamp_format_string", | |
| 5305 | 584 "%%-- %D %I:%M %p --%%"); |
| 5794 | 585 bind_internal_variable ("page_screen_output", false); |
| 586 bind_internal_variable ("print_empty_dimensions", false); | |
| 5904 | 587 |
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588 disable_warning ("Octave:abbreviated-property-match"); |
| 6159 | 589 disable_warning ("Octave:fopen-file-in-path"); |
| 5904 | 590 disable_warning ("Octave:function-name-clash"); |
| 6159 | 591 disable_warning ("Octave:load-file-in-path"); |
| 1410 | 592 } |
| 593 | |
| 581 | 594 // You guessed it. |
| 595 | |
| 1 | 596 int |
| 4368 | 597 octave_main (int argc, char **argv, int embedded) |
| 1 | 598 { |
| 3019 | 599 octave_env::set_program_name (argv[0]); |
| 600 | |
| 5780 | 601 octave_program_invocation_name = octave_env::get_program_invocation_name (); |
| 602 octave_program_name = octave_env::get_program_name (); | |
| 603 | |
| 2205 | 604 // The order of these calls is important. The call to |
| 2926 | 605 // install_defaults must come before install_builtins because |
| 3019 | 606 // default variable values must be available for the variables to be |
| 2205 | 607 // installed, and the call to install_builtins must come before the |
| 608 // options are processed because some command line options override | |
| 5794 | 609 // defaults by calling bind_internal_variable. |
| 721 | 610 |
| 5844 | 611 init_signals (); |
| 612 | |
| 1 | 613 sysdep_init (); |
| 614 | |
| 4159 | 615 // The idea here is to force xerbla to be referenced so that we will |
| 616 // link to our own version instead of the one provided by the BLAS | |
| 617 // library. But octave_NaN should never be -1, so we should never | |
| 618 // actually call xerbla. | |
| 619 | |
| 620 if (octave_NaN == -1) | |
| 621 F77_FUNC (xerbla, XERBLA) ("octave", 13, 6L); | |
| 622 | |
| 721 | 623 initialize_error_handlers (); |
| 223 | 624 |
| 5794 | 625 initialize_default_warning_state (); |
| 626 | |
| 2926 | 627 install_defaults (); |
| 1 | 628 |
| 1792 | 629 initialize_pathsearch (); |
| 1744 | 630 |
| 4368 | 631 if (! embedded) |
| 632 install_signal_handlers (); | |
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633 else |
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634 quit_allowed = false; |
| 2205 | 635 |
| 636 initialize_file_io (); | |
| 637 | |
| 2375 | 638 install_types (); |
| 639 | |
| 640 install_ops (); | |
| 2205 | 641 |
| 642 install_builtins (); | |
| 643 | |
| 1817 | 644 prog_args args (argc, argv, short_opts, long_opts); |
| 645 | |
| 6938 | 646 bool forced_line_editing = false; |
| 647 | |
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648 bool read_history_file = true; |
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649 |
| 139 | 650 int optc; |
| 1817 | 651 while ((optc = args.getopt ()) != EOF) |
| 1 | 652 { |
| 139 | 653 switch (optc) |
| 1 | 654 { |
| 3180 | 655 case 'H': |
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656 read_history_file = false; |
| 5794 | 657 bind_internal_variable ("saving_history", false); |
| 3180 | 658 break; |
| 659 | |
| 793 | 660 case 'V': |
| 2239 | 661 verbose_flag = true; |
| 793 | 662 break; |
| 663 | |
| 1 | 664 case 'd': |
| 4753 | 665 // This is the same as yydebug in parse.y. |
| 666 octave_debug++; | |
| 1 | 667 break; |
| 777 | 668 |
| 1 | 669 case 'f': |
| 2239 | 670 read_init_files = false; |
| 671 read_site_files = false; | |
| 1 | 672 break; |
| 777 | 673 |
| 1 | 674 case 'h': |
| 675 case '?': | |
| 676 verbose_usage (); | |
| 677 break; | |
| 777 | 678 |
| 1 | 679 case 'i': |
| 3019 | 680 forced_interactive = true; |
| 1 | 681 break; |
| 777 | 682 |
| 1 | 683 case 'p': |
| 1817 | 684 if (args.optarg ()) |
| 5832 | 685 load_path::set_command_line_path (args.optarg ()); |
| 1 | 686 break; |
| 777 | 687 |
| 1 | 688 case 'q': |
| 2239 | 689 inhibit_startup_message = true; |
| 1 | 690 break; |
| 777 | 691 |
| 1 | 692 case 'x': |
| 2205 | 693 { |
| 694 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); | |
| 5794 | 695 bind_internal_variable ("echo_executing_commands", tmp); |
| 2205 | 696 } |
| 1 | 697 break; |
| 777 | 698 |
| 1 | 699 case 'v': |
| 700 print_version_and_exit (); | |
| 701 break; | |
| 777 | 702 |
| 8861 | 703 case DOC_CACHE_FILE_OPTION: |
| 704 if (args.optarg ()) | |
| 705 bind_internal_variable ("doc_cache_file", args.optarg ()); | |
| 706 break; | |
| 707 | |
| 5189 | 708 case EVAL_OPTION: |
| 709 if (args.optarg ()) | |
| 5193 | 710 { |
| 711 if (code_to_eval.empty ()) | |
| 712 code_to_eval = args.optarg (); | |
| 713 else | |
| 714 code_to_eval += std::string (" ") + args.optarg (); | |
| 715 } | |
| 5189 | 716 break; |
| 717 | |
| 1613 | 718 case EXEC_PATH_OPTION: |
| 1817 | 719 if (args.optarg ()) |
| 5814 | 720 set_exec_path (args.optarg ()); |
| 721 break; | |
| 722 | |
| 723 case IMAGE_PATH_OPTION: | |
| 724 if (args.optarg ()) | |
| 725 set_image_path (args.optarg ()); | |
| 1613 | 726 break; |
| 727 | |
| 186 | 728 case INFO_FILE_OPTION: |
| 1817 | 729 if (args.optarg ()) |
| 5794 | 730 bind_internal_variable ("info_file", args.optarg ()); |
| 186 | 731 break; |
| 777 | 732 |
| 1613 | 733 case INFO_PROG_OPTION: |
| 1817 | 734 if (args.optarg ()) |
| 5794 | 735 bind_internal_variable ("info_program", args.optarg ()); |
| 1613 | 736 break; |
| 737 | |
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738 case LINE_EDITING_OPTION: |
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739 forced_line_editing = true; |
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740 break; |
| 6938 | 741 |
| 2239 | 742 case NO_INIT_FILE_OPTION: |
| 743 read_init_files = false; | |
| 744 break; | |
| 745 | |
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746 case NO_INIT_PATH_OPTION: |
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747 set_initial_path = false; |
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748 break; |
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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_WINDOW_SYSTEM_OPTION: |
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759 display_info::no_window_system (); |
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760 break; |
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761 |
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762 case PERSIST_OPTION: |
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763 persist = true; |
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764 break; |
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765 |
| 1410 | 766 case TRADITIONAL_OPTION: |
| 2239 | 767 traditional = true; |
| 1410 | 768 break; |
| 769 | |
| 1 | 770 default: |
| 771 usage (); | |
| 772 break; | |
| 773 } | |
| 774 } | |
| 775 | |
| 1651 | 776 #if defined (HAVE_ATEXIT) || defined (HAVE_ON_EXIT) |
| 2077 | 777 // Make sure we clean up when we exit. Also allow users to register |
| 778 // functions. If we don't have atexit or on_exit, we're going to | |
| 779 // leave some junk files around if we exit abnormally. | |
| 780 | |
| 781 atexit (do_octave_atexit); | |
| 318 | 782 #endif |
| 1 | 783 |
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784 // Is input coming from a terminal? If so, we are probably |
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785 // interactive. |
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786 |
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787 interactive = (! embedded |
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788 && isatty (fileno (stdin)) && isatty (fileno (stdout))); |
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789 |
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790 if (! interactive && ! forced_line_editing) |
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791 line_editing = false; |
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792 |
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793 // Force default line editor if we don't want readline editing. |
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794 if (! line_editing) |
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795 command_editor::force_default_editor (); |
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796 |
| 1358 | 797 // These can come after command line args since none of them set any |
| 798 // defaults that might be changed by command line options. | |
| 581 | 799 |
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800 if (line_editing) |
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801 initialize_command_input (); |
| 315 | 802 |
| 578 | 803 if (! inhibit_startup_message) |
| 3538 | 804 std::cout << OCTAVE_STARTUP_MESSAGE "\n" << std::endl; |
| 578 | 805 |
| 1410 | 806 if (traditional) |
| 807 maximum_braindamage (); | |
| 808 | |
| 4217 | 809 octave_interpreter_ready = true; |
| 810 | |
| 5654 | 811 initialize_version_info (); |
| 812 | |
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813 // Make all command-line arguments available to startup files, |
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814 // including PKG_ADD files. |
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815 |
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816 intern_argv (argc, argv); |
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817 |
| 6365 | 818 load_path::initialize (set_initial_path); |
| 4217 | 819 |
| 2239 | 820 execute_startup_files (); |
| 1651 | 821 |
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822 initialize_history (read_history_file); |
| 1 | 823 |
| 578 | 824 if (! inhibit_startup_message && reading_startup_message_printed) |
| 3538 | 825 std::cout << std::endl; |
| 578 | 826 |
| 1358 | 827 // If there is an extra argument, see if it names a file to read. |
| 828 // Additional arguments are taken as command line options for the | |
| 829 // script. | |
| 1 | 830 |
| 1817 | 831 int last_arg_idx = args.optind (); |
| 3019 | 832 |
| 1817 | 833 int remaining_args = argc - last_arg_idx; |
| 3019 | 834 |
| 5189 | 835 if (! code_to_eval.empty ()) |
| 149 | 836 { |
| 5189 | 837 int parse_status = execute_eval_option_code (code_to_eval); |
| 838 | |
| 5242 | 839 if (! (persist || remaining_args > 0)) |
| 5502 | 840 clean_up_and_exit (parse_status || error_state ? 1 : 0); |
| 1 | 841 } |
| 842 | |
| 5189 | 843 if (remaining_args > 0) |
| 844 { | |
| 845 // If we are running an executable script (#! /bin/octave) then | |
| 846 // we should only see the args passed to the script. | |
| 847 | |
| 848 intern_argv (remaining_args, argv+last_arg_idx); | |
| 849 | |
| 850 execute_command_line_file (argv[last_arg_idx]); | |
| 851 | |
| 852 if (! persist) | |
| 5502 | 853 clean_up_and_exit (error_state ? 1 : 0); |
| 5189 | 854 } |
| 855 | |
| 856 // Avoid counting commands executed from startup files. | |
| 857 | |
| 858 command_editor::reset_current_command_number (1); | |
| 859 | |
| 860 // Now argv should have the full set of args. | |
| 861 intern_argv (argc, argv); | |
| 862 | |
| 863 if (! embedded) | |
| 864 switch_to_buffer (create_buffer (get_input_from_stdin ())); | |
| 865 | |
| 1358 | 866 // Force input to be echoed if not really interactive, but the user |
| 867 // has forced interactive behavior. | |
| 1 | 868 |
| 1907 | 869 if (! interactive && forced_interactive) |
| 287 | 870 { |
| 2926 | 871 command_editor::blink_matching_paren (false); |
| 1588 | 872 |
| 5775 | 873 // FIXME -- is this the right thing to do? |
| 1588 | 874 |
| 5794 | 875 bind_internal_variable ("echo_executing_commands", ECHO_CMD_LINE); |
| 287 | 876 } |
| 1 | 877 |
| 4368 | 878 if (embedded) |
| 5502 | 879 { |
| 5775 | 880 // FIXME -- do we need to do any cleanup here before |
| 5502 | 881 // returning? If we don't, what will happen to Octave functions |
| 882 // that have been registered to execute with atexit, for example? | |
| 883 | |
| 884 return 1; | |
| 885 } | |
| 4368 | 886 |
| 5189 | 887 int retval = main_loop (); |
| 1 | 888 |
| 1005 | 889 if (retval == 1 && ! error_state) |
| 890 retval = 0; | |
| 891 | |
| 1 | 892 clean_up_and_exit (retval); |
| 4247 | 893 |
| 894 return 0; | |
| 1 | 895 } |
| 896 | |
| 5780 | 897 DEFUN (argv, args, , |
| 898 "-*- texinfo -*-\n\ | |
| 899 @deftypefn {Built-in Function} {} argv ()\n\ | |
| 900 Return the command line arguments passed to Octave. For example,\n\ | |
| 901 if you invoked Octave using the command\n\ | |
| 902 \n\ | |
| 903 @example\n\ | |
| 904 octave --no-line-editing --silent\n\ | |
| 905 @end example\n\ | |
| 906 \n\ | |
| 907 @noindent\n\ | |
| 908 @code{argv} would return a cell array of strings with the elements\n\ | |
| 909 @code{--no-line-editing} and @code{--silent}.\n\ | |
| 910 \n\ | |
| 911 If you write an executable Octave script, @code{argv} will return the\n\ | |
| 912 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ | |
| 913 for an example of how to create an executable Octave script.\n\ | |
| 914 @end deftypefn") | |
| 915 { | |
| 916 octave_value retval; | |
| 917 | |
| 918 if (args.length () == 0) | |
| 919 retval = Cell (octave_argv); | |
| 920 else | |
| 5823 | 921 print_usage (); |
| 5780 | 922 |
| 923 return retval; | |
| 924 } | |
| 925 | |
| 926 DEFUN (program_invocation_name, args, , | |
| 927 "-*- texinfo -*-\n\ | |
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928 @deftypefn {Built-in Function} {} program_invocation_name ()\n\ |
| 5780 | 929 Return the name that was typed at the shell prompt to run Octave.\n\ |
| 930 \n\ | |
| 931 If executing a script from the command line (e.g., @code{octave foo.m})\n\ | |
| 932 or using an executable Octave script, the program name is set to the\n\ | |
| 933 name of the script. @xref{Executable Octave Programs}, for an example of\n\ | |
| 934 how to create an executable Octave script.\n\ | |
| 935 @seealso{program_name}\n\ | |
| 936 @end deftypefn") | |
| 937 { | |
| 938 octave_value retval; | |
| 939 | |
| 940 if (args.length () == 0) | |
| 941 retval = octave_program_invocation_name; | |
| 942 else | |
| 5823 | 943 print_usage (); |
| 5780 | 944 |
| 945 return retval; | |
| 946 } | |
| 947 | |
| 948 DEFUN (program_name, args, , | |
| 949 "-*- texinfo -*-\n\ | |
| 950 @deftypefn {Built-in Function} {} program_name ()\n\ | |
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951 Return the last component of the value returned by\n\ |
| 5780 | 952 @code{program_invocation_name}.\n\ |
| 953 @seealso{program_invocation_name}\n\ | |
| 954 @end deftypefn") | |
| 955 { | |
| 956 octave_value retval; | |
| 957 | |
| 958 if (args.length () == 0) | |
| 959 retval = octave_program_name; | |
| 960 else | |
| 5823 | 961 print_usage (); |
| 5780 | 962 |
| 963 return retval; | |
| 964 } | |
| 965 | |
| 560 | 966 /* |
| 1 | 967 ;;; Local Variables: *** |
| 968 ;;; mode: C++ *** | |
| 969 ;;; End: *** | |
| 970 */ |