Mercurial > octave
annotate src/octave.cc @ 14614:4e9dc46d4125
handle texinfo macros consistently in help system and manual
* macros.texi: New file. Move macro definitions here from octave.texi.
* doc/interpreter/Makefile.am (octetc_DATA): Include it in the list.
(doc-cache): Pass macros.texi to mk_doc_cache.m.
* octave.texi: Include macros.texi.
* mk_doc_cache.m, __makeinfo__.m: Copy macros file to makeinfo input
instead of handling macros specially.
* configure.ac (texi_macros_file): New variable.
* build-aux/common.mk (texi_macros_file, do_subst_default_vals):
Substitute it.
* run-octave.in (TEXIMACROSFILE): New variable.
Pass --texi-macros-file to Octave.
* defaults.in.h (OCTAVE_DEFAULT_TEXI_MACROS_FILE): New variable.
* default.cc (set_default_texi_macros_file): New function.
(install_defaults): Call it.
* help.cc (Vtexi_macros_file): New variable.
(Ftexi_macros_file): New function.
* help.h (Vtexi_macros_file): Provide decl.
* octave.cc (TEXI_MACROS_FILE_OPTION): New long option value.
(long_opts): Include --texi-macros-file in the list.
(octave_main): Handle TEXI_MACROS_FILE_OPTION.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 10 May 2012 12:01:42 -0400 |
parents | a459d42bb0a6 |
children | be12c85c6ce7 |
rev | line source |
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1 | 1 /* |
2 | |
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3 Copyright (C) 1993-2012 John W. Eaton |
1 | 4 |
5 This file is part of Octave. | |
6 | |
7 Octave is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published by the | |
7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
10 option) any later version. | |
1 | 11 |
12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
7016 | 18 along with Octave; see the file COPYING. If not, see |
19 <http://www.gnu.org/licenses/>. | |
1 | 20 |
21 */ | |
22 | |
23 // Born February 20, 1992. | |
24 | |
240 | 25 #ifdef HAVE_CONFIG_H |
1192 | 26 #include <config.h> |
1 | 27 #endif |
28 | |
1355 | 29 #include <cassert> |
30 #include <cstdlib> | |
31 #include <cstring> | |
32 #include <ctime> | |
33 | |
3503 | 34 #include <iostream> |
1355 | 35 |
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36 #include <getopt.h> |
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37 #include <sys/types.h> |
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38 #include <unistd.h> |
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39 |
2926 | 40 #include "cmd-edit.h" |
3690 | 41 #include "f77-fcn.h" |
4097 | 42 #include "file-ops.h" |
2926 | 43 #include "file-stat.h" |
240 | 44 #include "lo-error.h" |
2926 | 45 #include "oct-env.h" |
3019 | 46 #include "pathsearch.h" |
1907 | 47 #include "str-vec.h" |
223 | 48 |
2492 | 49 #include <defaults.h> |
3933 | 50 #include "Cell.h" |
1355 | 51 #include "defun.h" |
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52 #include "display.h" |
1355 | 53 #include "error.h" |
54 #include "file-io.h" | |
1 | 55 #include "input.h" |
56 #include "lex.h" | |
5832 | 57 #include "load-path.h" |
4113 | 58 #include "octave.h" |
1742 | 59 #include "oct-hist.h" |
5654 | 60 #include "oct-map.h" |
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61 #include "oct-mutex.h" |
3195 | 62 #include "oct-obj.h" |
2375 | 63 #include "ops.h" |
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64 #include "ov.h" |
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65 #include "ov-range.h" |
1670 | 66 #include "toplev.h" |
1 | 67 #include "parse.h" |
562 | 68 #include "procstream.h" |
1355 | 69 #include "sighandlers.h" |
70 #include "sysdep.h" | |
1 | 71 #include "unwind-prot.h" |
1355 | 72 #include "utils.h" |
73 #include "variables.h" | |
2492 | 74 #include <version.h> |
1 | 75 |
4159 | 76 // Kluge. |
5990 | 77 extern "C" F77_RET_T |
11518 | 78 F77_FUNC (xerbla, XERBLA) (F77_CONST_CHAR_ARG_DECL, |
79 const octave_idx_type& | |
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80 F77_CHAR_ARG_LEN_DECL); |
4159 | 81 |
2910 | 82 extern void install_builtins (void); |
83 | |
1907 | 84 // The command-line options. |
85 static string_vector octave_argv; | |
1 | 86 |
5780 | 87 // The name used to invoke Octave. |
88 static std::string | |
89 octave_program_invocation_name; | |
90 | |
91 // The last component of octave_program_invocation_name. | |
92 static std::string octave_program_name; | |
93 | |
2239 | 94 // TRUE means we read ~/.octaverc and ./.octaverc. |
95 // (--norc; --no-init-file; -f) | |
96 static bool read_init_files = true; | |
97 | |
98 // TRUE means we read the site-wide octaverc files. | |
99 // (--norc; --no-site-file; -f) | |
2240 | 100 static bool read_site_files = true; |
1 | 101 |
6365 | 102 // TRUE means we set the initial path to configured defaults. |
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103 // (--no-init-path) |
6365 | 104 static bool set_initial_path = true; |
105 | |
3019 | 106 // TRUE means we don't print the usual startup message. |
616 | 107 // (--quiet; --silent; -q) |
2239 | 108 static bool inhibit_startup_message = false; |
1 | 109 |
3019 | 110 // TRUE means we turn on compatibility options. |
1410 | 111 // (--traditional) |
2239 | 112 static bool traditional = false; |
1410 | 113 |
3019 | 114 // If TRUE, print verbose info in some cases. |
1825 | 115 // (--verbose; -V) |
2239 | 116 static bool verbose_flag = false; |
1825 | 117 |
1 | 118 // Usage message |
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119 static const char *usage_string = |
11140 | 120 "octave [-HVdfhiqvx] [--debug] [--echo-commands] [--eval CODE]\n\ |
5814 | 121 [--exec-path path] [--help] [--image-path path] [--info-file file]\n\ |
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122 [--info-program prog] [--interactive] [--line-editing]\n\ |
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123 [--no-history] [--no-init-file] [--no-init-path] [--no-line-editing]\n\ |
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124 [--no-site-file] [--no-window-system] [-p path] [--path path]\n\ |
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125 [--silent] [--traditional] [--verbose] [--version] [file]"; |
1 | 126 |
1358 | 127 // This is here so that it's more likely that the usage message and |
1410 | 128 // the real set of options will agree. Note: the `+' must come first |
129 // to prevent getopt from permuting arguments! | |
11140 | 130 static const char *short_opts = "+HVdfhip:qvx"; |
139 | 131 |
5189 | 132 // The code to evaluate at startup (--eval CODE) |
133 static std::string code_to_eval; | |
134 | |
135 // If TRUE, don't exit after evaluating code given by --eval option. | |
136 static bool persist = false; | |
4356 | 137 |
1103 | 138 // Long options. See the comments in getopt.h for the meanings of the |
139 // fields in this structure. | |
8861 | 140 #define DOC_CACHE_FILE_OPTION 1 |
141 #define EVAL_OPTION 2 | |
142 #define EXEC_PATH_OPTION 3 | |
143 #define IMAGE_PATH_OPTION 4 | |
144 #define INFO_FILE_OPTION 5 | |
145 #define INFO_PROG_OPTION 6 | |
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146 #define LINE_EDITING_OPTION 7 |
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147 #define NO_INIT_FILE_OPTION 8 |
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148 #define NO_INIT_PATH_OPTION 9 |
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149 #define NO_LINE_EDITING_OPTION 10 |
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150 #define NO_SITE_FILE_OPTION 11 |
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151 #define NO_WINDOW_SYSTEM_OPTION 12 |
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152 #define PERSIST_OPTION 13 |
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153 #define TEXI_MACROS_FILE_OPTION 14 |
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154 #define TRADITIONAL_OPTION 15 |
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155 struct option long_opts[] = |
139 | 156 { |
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157 { "braindead", no_argument, 0, TRADITIONAL_OPTION }, |
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158 { "debug", no_argument, 0, 'd' }, |
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159 { "doc-cache-file", required_argument, 0, DOC_CACHE_FILE_OPTION }, |
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160 { "echo-commands", no_argument, 0, 'x' }, |
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161 { "eval", required_argument, 0, EVAL_OPTION }, |
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162 { "exec-path", required_argument, 0, EXEC_PATH_OPTION }, |
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163 { "help", no_argument, 0, 'h' }, |
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164 { "image-path", required_argument, 0, IMAGE_PATH_OPTION }, |
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165 { "info-file", required_argument, 0, INFO_FILE_OPTION }, |
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166 { "info-program", required_argument, 0, INFO_PROG_OPTION }, |
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167 { "interactive", no_argument, 0, 'i' }, |
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168 { "line-editing", no_argument, 0, LINE_EDITING_OPTION }, |
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169 { "no-history", no_argument, 0, 'H' }, |
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170 { "no-init-file", no_argument, 0, NO_INIT_FILE_OPTION }, |
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171 { "no-init-path", no_argument, 0, NO_INIT_PATH_OPTION }, |
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172 { "no-line-editing", no_argument, 0, NO_LINE_EDITING_OPTION }, |
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173 { "no-site-file", no_argument, 0, NO_SITE_FILE_OPTION }, |
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174 { "no-window-system", no_argument, 0, NO_WINDOW_SYSTEM_OPTION }, |
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175 { "norc", no_argument, 0, 'f' }, |
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176 { "path", required_argument, 0, 'p' }, |
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177 { "persist", no_argument, 0, PERSIST_OPTION }, |
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178 { "quiet", no_argument, 0, 'q' }, |
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179 { "silent", no_argument, 0, 'q' }, |
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180 { "texi-macros-file", required_argument, 0, TEXI_MACROS_FILE_OPTION }, |
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181 { "traditional", no_argument, 0, TRADITIONAL_OPTION }, |
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182 { "verbose", no_argument, 0, 'V' }, |
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183 { "version", no_argument, 0, 'v' }, |
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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 |
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198 if (argc > 0) |
1355 | 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) | |
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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 | |
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235 static octave_map vinfo; |
5654 | 236 |
237 int nargin = args.length (); | |
238 | |
5658 | 239 if (nargin == 4) |
5654 | 240 { |
6639 | 241 if (vinfo.nfields () == 0) |
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242 { |
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243 vinfo.assign ("Name", args (0)); |
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244 vinfo.assign ("Version", args (1)); |
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245 vinfo.assign ("Release", args (2)); |
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246 vinfo.assign ("Date", args (3)); |
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247 } |
5781 | 248 else |
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249 { |
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250 octave_idx_type n = vinfo.numel () + 1; |
5654 | 251 |
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252 vinfo.resize (dim_vector (n, 1)); |
5781 | 253 |
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254 octave_value idx (n); |
5781 | 255 |
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256 vinfo.assign (idx, "Name", Cell (octave_value (args (0)))); |
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257 vinfo.assign (idx, "Version", Cell (octave_value (args (1)))); |
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258 vinfo.assign (idx, "Release", Cell (octave_value (args (2)))); |
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259 vinfo.assign (idx, "Date", Cell (octave_value (args (3)))); |
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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 | |
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283 static void |
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284 gripe_safe_source_exception (const std::string& file, const std::string& msg) |
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285 { |
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286 std::cerr << "error: " << msg << "\n" |
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287 << "error: execution of " << file << " failed\n" |
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288 << "error: trying to make my way to a command prompt" |
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289 << std::endl; |
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290 } |
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291 |
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292 // Execute commands from a file and catch potential exceptions in a |
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293 // consistent way. This function should be called anywhere we might |
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294 // parse and execute commands from a file before before we have entered |
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295 // the main loop in toplev.cc. |
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296 |
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297 static void |
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298 safe_source_file (const std::string& file_name, |
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299 const std::string& context = std::string (), |
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300 bool verbose = false, bool require_file = true, |
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301 const std::string& warn_for = std::string ()) |
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302 { |
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303 try |
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304 { |
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305 source_file (file_name, context, verbose, require_file, warn_for); |
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306 } |
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307 catch (octave_interrupt_exception) |
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308 { |
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309 recover_from_exception (); |
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310 octave_stdout << "\n"; |
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311 if (quitting_gracefully) |
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312 clean_up_and_exit (exit_status); |
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313 } |
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314 catch (octave_execution_exception) |
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315 { |
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316 recover_from_exception (); |
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317 gripe_safe_source_exception (file_name, "unhandled execution exception"); |
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318 } |
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319 catch (std::bad_alloc) |
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320 { |
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321 recover_from_exception (); |
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322 error_state = -2; |
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323 gripe_safe_source_exception |
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324 (file_name, |
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325 "memory exhausted or requested size too large for range of Octave's index type"); |
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326 } |
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327 } |
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328 |
581 | 329 // Initialize by reading startup files. |
330 | |
1 | 331 static void |
332 execute_startup_files (void) | |
333 { | |
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334 unwind_protect frame; |
315 | 335 |
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336 frame.protect_var (input_from_startup_file); |
1651 | 337 |
3019 | 338 input_from_startup_file = true; |
315 | 339 |
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340 std::string context; |
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341 |
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342 bool verbose = (verbose_flag && ! inhibit_startup_message); |
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343 |
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344 bool require_file = false; |
578 | 345 |
2239 | 346 if (read_site_files) |
1 | 347 { |
2239 | 348 // Execute commands from the site-wide configuration file. |
349 // First from the file $(prefix)/lib/octave/site/m/octaverc | |
350 // (if it exists), then from the file | |
3597 | 351 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
1755 | 352 |
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353 safe_source_file (Vlocal_site_defaults_file, context, verbose, |
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354 require_file); |
1755 | 355 |
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356 safe_source_file (Vsite_defaults_file, context, verbose, require_file); |
1 | 357 } |
358 | |
2239 | 359 if (read_init_files) |
360 { | |
2512 | 361 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
362 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, .octaverc | |
363 // is assumed. | |
2239 | 364 |
4804 | 365 bool home_rc_already_executed = false; |
2512 | 366 |
3523 | 367 std::string initfile = octave_env::getenv ("OCTAVE_INITFILE"); |
2512 | 368 |
2926 | 369 if (initfile.empty ()) |
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370 initfile = ".octaverc"; |
2512 | 371 |
3523 | 372 std::string home_dir = octave_env::get_home_directory (); |
2926 | 373 |
4804 | 374 std::string home_rc = octave_env::make_absolute (initfile, home_dir); |
375 | |
376 std::string local_rc; | |
2239 | 377 |
5781 | 378 if (! home_rc.empty ()) |
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379 { |
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380 safe_source_file (home_rc, context, verbose, require_file); |
2239 | 381 |
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382 // Names alone are not enough. |
2239 | 383 |
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384 file_stat fs_home_rc (home_rc); |
2239 | 385 |
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386 if (fs_home_rc) |
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387 { |
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388 // We want to check for curr_dir after executing home_rc |
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389 // because doing that may change the working directory. |
4804 | 390 |
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391 local_rc = octave_env::make_absolute (initfile); |
4804 | 392 |
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393 home_rc_already_executed = same_file (home_rc, local_rc); |
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394 } |
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395 } |
2239 | 396 |
397 if (! home_rc_already_executed) | |
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398 { |
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399 if (local_rc.empty ()) |
10250 | 400 local_rc = octave_env::make_absolute (initfile); |
4804 | 401 |
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402 safe_source_file (local_rc, context, verbose, require_file); |
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403 } |
2239 | 404 } |
1 | 405 } |
406 | |
5189 | 407 static int |
408 execute_eval_option_code (const std::string& code) | |
409 { | |
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410 unwind_protect frame; |
5189 | 411 |
7202 | 412 octave_save_signal_mask (); |
413 | |
414 can_interrupt = true; | |
415 | |
416 octave_signal_hook = octave_signal_handler; | |
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417 octave_interrupt_hook = 0; |
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418 octave_bad_alloc_hook = 0; |
7202 | 419 |
420 octave_catch_interrupts (); | |
421 | |
422 octave_initialized = true; | |
423 | |
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424 frame.protect_var (interactive); |
5189 | 425 |
426 interactive = false; | |
427 | |
428 int parse_status = 0; | |
429 | |
6487 | 430 try |
431 { | |
432 eval_string (code, false, parse_status, 0); | |
433 } | |
7202 | 434 catch (octave_interrupt_exception) |
435 { | |
436 recover_from_exception (); | |
437 octave_stdout << "\n"; | |
9383 | 438 if (quitting_gracefully) |
439 clean_up_and_exit (exit_status); | |
7202 | 440 } |
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441 catch (octave_execution_exception) |
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442 { |
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443 recover_from_exception (); |
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444 std::cerr << "error: unhandled execution exception -- eval failed" |
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445 << std::endl; |
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446 } |
6487 | 447 catch (std::bad_alloc) |
448 { | |
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449 error_state = -2; |
6680 | 450 std::cerr << "error: memory exhausted or requested size too large for range of Octave's index type -- eval failed" |
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451 << std::endl; |
6487 | 452 } |
5189 | 453 |
454 return parse_status; | |
455 } | |
456 | |
457 static void | |
458 execute_command_line_file (const std::string& fname) | |
459 { | |
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460 unwind_protect frame; |
5189 | 461 |
7202 | 462 octave_save_signal_mask (); |
463 | |
464 can_interrupt = true; | |
465 | |
466 octave_signal_hook = octave_signal_handler; | |
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467 octave_interrupt_hook = 0; |
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468 octave_bad_alloc_hook = 0; |
7202 | 469 |
470 octave_catch_interrupts (); | |
471 | |
472 octave_initialized = true; | |
473 | |
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474 frame.protect_var (interactive); |
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475 frame.protect_var (reading_script_file); |
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476 frame.protect_var (input_from_command_line_file); |
5189 | 477 |
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478 frame.protect_var (curr_fcn_file_name); |
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479 frame.protect_var (curr_fcn_file_full_name); |
5189 | 480 |
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481 frame.protect_var (octave_program_invocation_name); |
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482 frame.protect_var (octave_program_name); |
5189 | 483 |
484 interactive = false; | |
485 reading_script_file = true; | |
486 input_from_command_line_file = true; | |
487 | |
488 curr_fcn_file_name = fname; | |
489 curr_fcn_file_full_name = curr_fcn_file_name; | |
490 | |
5780 | 491 octave_program_invocation_name = curr_fcn_file_name; |
5189 | 492 |
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493 size_t pos = curr_fcn_file_name.find_last_of (file_ops::dir_sep_chars ()); |
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494 |
8021 | 495 std::string tmp = (pos != std::string::npos) |
5189 | 496 ? curr_fcn_file_name.substr (pos+1) : curr_fcn_file_name; |
497 | |
5780 | 498 octave_program_name = tmp; |
5189 | 499 |
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500 std::string context; |
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501 bool verbose = false; |
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502 bool require_file = true; |
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503 |
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504 safe_source_file (fname, context, verbose, require_file, "octave"); |
5189 | 505 } |
506 | |
581 | 507 // Usage message with extra help. |
508 | |
1 | 509 static void |
510 verbose_usage (void) | |
511 { | |
3922 | 512 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_AND_WARRANTY "\n\ |
1613 | 513 \n\ |
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514 Usage: octave [options] [FILE]\n\ |
1613 | 515 \n\ |
516 Options:\n\ | |
1119 | 517 \n\ |
3180 | 518 --debug, -d Enter parser debugging mode.\n\ |
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519 --doc-cache-file FILE Use doc cache file FILE.\n\ |
3180 | 520 --echo-commands, -x Echo commands as they are executed.\n\ |
5191 | 521 --eval CODE Evaluate CODE. Exit when done unless --persist.\n\ |
1613 | 522 --exec-path PATH Set path for executing subprograms.\n\ |
11140 | 523 --help, -h, Print short help message and exit.\n\ |
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524 --image-path PATH Add PATH to head of image search path.\n\ |
1613 | 525 --info-file FILE Use top-level info file FILE.\n\ |
526 --info-program PROGRAM Use PROGRAM for reading info files.\n\ | |
3180 | 527 --interactive, -i Force interactive behavior.\n\ |
6938 | 528 --line-editing Force readline use for command-line editing.\n\ |
3180 | 529 --no-history, -H Don't save commands to the history list\n\ |
2470 | 530 --no-init-file Don't read the ~/.octaverc or .octaverc files.\n\ |
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531 --no-init-path Don't initialize function search path.\n\ |
2212 | 532 --no-line-editing Don't use readline for command-line editing.\n\ |
2470 | 533 --no-site-file Don't read the site-wide octaverc file.\n\ |
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534 --no-window-system Disable window system, including graphics.\n\ |
3238 | 535 --norc, -f Don't read any initialization files.\n\ |
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536 --path PATH, -p PATH Add PATH to head of function search path.\n\ |
5189 | 537 --persist Go interactive after --eval or reading from FILE.\n\ |
3180 | 538 --silent, -q Don't print message at startup.\n\ |
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539 --texi-macros-file FILE Use doc cache file FILE.\n\ |
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540 --traditional Set variables for closer MATLAB compatibility.\n\ |
3180 | 541 --verbose, -V Enable verbose output in some cases.\n\ |
542 --version, -v Print version number and exit.\n\ | |
1119 | 543 \n\ |
5190 | 544 FILE Execute commands from FILE. Exit when done\n\ |
5191 | 545 unless --persist is also specified.\n\ |
4829 | 546 \n" |
547 OCTAVE_WWW_STATEMENT "\n\ | |
4356 | 548 \n" |
549 OCTAVE_CONTRIB_STATEMENT "\n\ | |
550 \n" | |
551 OCTAVE_BUGS_STATEMENT "\n"; | |
285 | 552 |
613 | 553 exit (0); |
1 | 554 } |
555 | |
581 | 556 // Terse usage messsage. |
557 | |
1 | 558 static void |
559 usage (void) | |
560 { | |
11140 | 561 std::cerr << "\nusage: " << usage_string << "\n\n"; |
1 | 562 exit (1); |
563 } | |
564 | |
565 static void | |
566 print_version_and_exit (void) | |
567 { | |
3922 | 568 std::cout << OCTAVE_NAME_VERSION_COPYRIGHT_COPYING_WARRANTY_AND_BUGS "\n"; |
1 | 569 exit (0); |
570 } | |
571 | |
721 | 572 static void |
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573 lo_error_handler (const char *fmt, ...) |
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574 { |
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575 va_list args; |
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576 va_start (args, fmt); |
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577 verror_with_cfn (fmt, args); |
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578 va_end (args); |
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579 |
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580 octave_throw_execution_exception (); |
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581 } |
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582 |
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583 static void |
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584 lo_error_with_id_handler (const char *id, const char *fmt, ...) |
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585 { |
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586 va_list args; |
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587 va_start (args, fmt); |
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588 verror_with_id_cfn (id, fmt, args); |
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589 va_end (args); |
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590 |
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591 octave_throw_execution_exception (); |
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592 } |
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593 |
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594 static void |
721 | 595 initialize_error_handlers () |
596 { | |
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597 set_liboctave_error_handler (lo_error_handler); |
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598 set_liboctave_error_with_id_handler (lo_error_with_id_handler); |
3325 | 599 set_liboctave_warning_handler (warning); |
5781 | 600 set_liboctave_warning_with_id_handler (warning_with_id); |
721 | 601 } |
602 | |
1410 | 603 // What happens on --traditional. |
604 | |
605 static void | |
606 maximum_braindamage (void) | |
607 { | |
5189 | 608 persist = true; |
609 | |
5794 | 610 bind_internal_variable ("PS1", ">> "); |
611 bind_internal_variable ("PS2", ""); | |
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612 bind_internal_variable ("allow_noninteger_range_as_index", true); |
5794 | 613 bind_internal_variable ("beep_on_error", true); |
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614 bind_internal_variable ("confirm_recursive_rmdir", false); |
5794 | 615 bind_internal_variable ("crash_dumps_octave_core", false); |
616 bind_internal_variable ("default_save_options", "-mat-binary"); | |
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617 bind_internal_variable ("do_braindead_shortcircuit_evaluation", true); |
5794 | 618 bind_internal_variable ("fixed_point_format", true); |
619 bind_internal_variable ("history_timestamp_format_string", | |
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620 "%%-- %D %I:%M %p --%%"); |
5794 | 621 bind_internal_variable ("page_screen_output", false); |
622 bind_internal_variable ("print_empty_dimensions", false); | |
5904 | 623 |
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624 disable_warning ("Octave:abbreviated-property-match"); |
6159 | 625 disable_warning ("Octave:fopen-file-in-path"); |
5904 | 626 disable_warning ("Octave:function-name-clash"); |
6159 | 627 disable_warning ("Octave:load-file-in-path"); |
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628 disable_warning ("Octave:possible-matlab-short-circuit-operator"); |
1410 | 629 } |
630 | |
581 | 631 // You guessed it. |
632 | |
1 | 633 int |
4368 | 634 octave_main (int argc, char **argv, int embedded) |
1 | 635 { |
3019 | 636 octave_env::set_program_name (argv[0]); |
637 | |
5780 | 638 octave_program_invocation_name = octave_env::get_program_invocation_name (); |
639 octave_program_name = octave_env::get_program_name (); | |
640 | |
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641 octave_thread::init (); |
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642 |
2205 | 643 // The order of these calls is important. The call to |
2926 | 644 // install_defaults must come before install_builtins because |
3019 | 645 // default variable values must be available for the variables to be |
2205 | 646 // installed, and the call to install_builtins must come before the |
647 // options are processed because some command line options override | |
5794 | 648 // defaults by calling bind_internal_variable. |
721 | 649 |
5844 | 650 init_signals (); |
651 | |
1 | 652 sysdep_init (); |
653 | |
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654 octave_ieee_init (); |
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655 |
4159 | 656 // The idea here is to force xerbla to be referenced so that we will |
657 // link to our own version instead of the one provided by the BLAS | |
658 // library. But octave_NaN should never be -1, so we should never | |
659 // actually call xerbla. | |
660 | |
661 if (octave_NaN == -1) | |
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662 F77_FUNC (xerbla, XERBLA) ("octave", 13 F77_CHAR_ARG_LEN (6)); |
4159 | 663 |
721 | 664 initialize_error_handlers (); |
223 | 665 |
5794 | 666 initialize_default_warning_state (); |
667 | |
2926 | 668 install_defaults (); |
1 | 669 |
1792 | 670 initialize_pathsearch (); |
1744 | 671 |
4368 | 672 if (! embedded) |
673 install_signal_handlers (); | |
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674 else |
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675 quit_allowed = false; |
2205 | 676 |
677 initialize_file_io (); | |
678 | |
2375 | 679 install_types (); |
680 | |
681 install_ops (); | |
2205 | 682 |
683 install_builtins (); | |
684 | |
6938 | 685 bool forced_line_editing = false; |
686 | |
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687 bool read_history_file = true; |
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688 |
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689 while (true) |
1 | 690 { |
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691 int long_idx; |
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692 |
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693 int optc = getopt_long (argc, argv, short_opts, long_opts, &long_idx); |
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694 |
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695 if (optc < 0) |
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696 break; |
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697 |
139 | 698 switch (optc) |
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699 { |
11140 | 700 case '?': |
701 // Unrecognized option. getopt_long already printed a | |
702 // message about that, so we will just print the usage string | |
703 // and exit. | |
704 usage (); | |
705 break; | |
706 | |
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707 case 'H': |
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708 read_history_file = false; |
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709 bind_internal_variable ("saving_history", false); |
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710 break; |
3180 | 711 |
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712 case 'V': |
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713 verbose_flag = true; |
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714 break; |
793 | 715 |
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716 case 'd': |
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717 // This is the same as yydebug in parse.y. |
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718 octave_debug++; |
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719 break; |
777 | 720 |
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721 case 'f': |
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722 read_init_files = false; |
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723 read_site_files = false; |
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724 break; |
777 | 725 |
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726 case 'h': |
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|
727 verbose_usage (); |
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|
728 break; |
777 | 729 |
10315
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|
730 case 'i': |
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|
731 forced_interactive = true; |
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732 break; |
777 | 733 |
10315
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|
734 case 'p': |
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|
735 if (optarg) |
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|
736 load_path::set_command_line_path (optarg); |
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737 break; |
777 | 738 |
10315
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|
739 case 'q': |
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740 inhibit_startup_message = true; |
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741 break; |
777 | 742 |
10315
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743 case 'x': |
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|
744 { |
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745 double tmp = (ECHO_SCRIPTS | ECHO_FUNCTIONS | ECHO_CMD_LINE); |
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746 bind_internal_variable ("echo_executing_commands", tmp); |
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|
747 } |
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|
748 break; |
777 | 749 |
10315
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750 case 'v': |
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|
751 print_version_and_exit (); |
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752 break; |
777 | 753 |
10315
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754 case DOC_CACHE_FILE_OPTION: |
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755 if (optarg) |
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756 bind_internal_variable ("doc_cache_file", optarg); |
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757 break; |
8861 | 758 |
10315
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759 case EVAL_OPTION: |
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|
760 if (optarg) |
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|
761 { |
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762 if (code_to_eval.empty ()) |
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763 code_to_eval = optarg; |
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|
764 else |
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765 code_to_eval += std::string (" ") + optarg; |
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766 } |
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|
767 break; |
5189 | 768 |
10315
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769 case EXEC_PATH_OPTION: |
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770 if (optarg) |
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|
771 set_exec_path (optarg); |
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772 break; |
5814 | 773 |
10315
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774 case IMAGE_PATH_OPTION: |
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|
775 if (optarg) |
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776 set_image_path (optarg); |
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777 break; |
1613 | 778 |
10315
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779 case INFO_FILE_OPTION: |
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|
780 if (optarg) |
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781 bind_internal_variable ("info_file", optarg); |
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untabify src C++ source files
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782 break; |
777 | 783 |
10315
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784 case INFO_PROG_OPTION: |
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|
785 if (optarg) |
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|
786 bind_internal_variable ("info_program", optarg); |
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787 break; |
1613 | 788 |
10315
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789 case LINE_EDITING_OPTION: |
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790 forced_line_editing = true; |
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791 break; |
6938 | 792 |
10315
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793 case NO_INIT_FILE_OPTION: |
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794 read_init_files = false; |
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795 break; |
2239 | 796 |
10315
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797 case NO_INIT_PATH_OPTION: |
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798 set_initial_path = false; |
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799 break; |
9336
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changeset
|
800 |
10315
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801 case NO_LINE_EDITING_OPTION: |
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802 line_editing = false; |
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803 break; |
2239 | 804 |
10315
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805 case NO_SITE_FILE_OPTION: |
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806 read_site_files = 0; |
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807 break; |
1821 | 808 |
10315
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809 case NO_WINDOW_SYSTEM_OPTION: |
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810 display_info::no_window_system (); |
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811 break; |
9335
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diff
changeset
|
812 |
10315
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|
813 case PERSIST_OPTION: |
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814 persist = true; |
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|
815 break; |
9336
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diff
changeset
|
816 |
14614
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handle texinfo macros consistently in help system and manual
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diff
changeset
|
817 case TEXI_MACROS_FILE_OPTION: |
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handle texinfo macros consistently in help system and manual
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|
818 if (optarg) |
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handle texinfo macros consistently in help system and manual
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|
819 bind_internal_variable ("texi_macros_file", optarg); |
4e9dc46d4125
handle texinfo macros consistently in help system and manual
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diff
changeset
|
820 break; |
4e9dc46d4125
handle texinfo macros consistently in help system and manual
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|
821 |
10315
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822 case TRADITIONAL_OPTION: |
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823 traditional = true; |
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824 break; |
1410 | 825 |
10315
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826 default: |
11140 | 827 // getopt_long should print a message about unrecognized |
828 // options and return '?', which is handled above. So if we | |
829 // end up here, it is because there was an option but we | |
830 // forgot to handle it. That should be fatal. | |
831 panic_impossible (); | |
10315
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832 break; |
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833 } |
1 | 834 } |
835 | |
2077 | 836 // Make sure we clean up when we exit. Also allow users to register |
837 // functions. If we don't have atexit or on_exit, we're going to | |
838 // leave some junk files around if we exit abnormally. | |
839 | |
840 atexit (do_octave_atexit); | |
1 | 841 |
9320
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842 // Is input coming from a terminal? If so, we are probably |
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843 // interactive. |
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|
844 |
9999
653716f3d976
get_debug_input: force interactive input mode; don't get user input unless stdin is a tty
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diff
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845 // If stdin is not a tty, then we are reading commands from a pipe or |
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846 // a redirected file. |
14160 | 847 stdin_is_tty = gnulib::isatty (fileno (stdin)); |
9999
653716f3d976
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|
848 |
14160 | 849 interactive = (! embedded && stdin_is_tty |
850 && gnulib::isatty (fileno (stdout))); | |
9320
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851 |
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852 if (! interactive && ! forced_line_editing) |
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853 line_editing = false; |
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|
854 |
9321
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855 // Force default line editor if we don't want readline editing. |
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|
856 if (! line_editing) |
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|
857 command_editor::force_default_editor (); |
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|
858 |
1358 | 859 // These can come after command line args since none of them set any |
860 // defaults that might be changed by command line options. | |
581 | 861 |
9320
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862 if (line_editing) |
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|
863 initialize_command_input (); |
315 | 864 |
578 | 865 if (! inhibit_startup_message) |
3538 | 866 std::cout << OCTAVE_STARTUP_MESSAGE "\n" << std::endl; |
578 | 867 |
1410 | 868 if (traditional) |
869 maximum_braindamage (); | |
870 | |
4217 | 871 octave_interpreter_ready = true; |
872 | |
5654 | 873 initialize_version_info (); |
874 | |
8099
e0a6e54f5a19
octave.cc (octave_main): make all command-line arguments available to startup scripts
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changeset
|
875 // Make all command-line arguments available to startup files, |
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|
876 // including PKG_ADD files. |
e0a6e54f5a19
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|
877 |
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diff
changeset
|
878 intern_argv (argc, argv); |
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|
879 |
6365 | 880 load_path::initialize (set_initial_path); |
4217 | 881 |
13239
3109c8b0cff4
Initialise history before executing startup files (bug #32900)
Jordi Gutiérrez Hermoso <jordigh@octave.org>
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diff
changeset
|
882 initialize_history (read_history_file); |
1651 | 883 |
13239
3109c8b0cff4
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diff
changeset
|
884 execute_startup_files (); |
1 | 885 |
578 | 886 if (! inhibit_startup_message && reading_startup_message_printed) |
3538 | 887 std::cout << std::endl; |
578 | 888 |
1358 | 889 // If there is an extra argument, see if it names a file to read. |
890 // Additional arguments are taken as command line options for the | |
891 // script. | |
1 | 892 |
10195
b49d47b637b7
use getopt directly instead of the (mostly useless) prog_args wrapper class
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diff
changeset
|
893 int last_arg_idx = optind; |
3019 | 894 |
1817 | 895 int remaining_args = argc - last_arg_idx; |
3019 | 896 |
5189 | 897 if (! code_to_eval.empty ()) |
149 | 898 { |
5189 | 899 int parse_status = execute_eval_option_code (code_to_eval); |
900 | |
5242 | 901 if (! (persist || remaining_args > 0)) |
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902 clean_up_and_exit (parse_status || error_state ? 1 : 0); |
1 | 903 } |
904 | |
5189 | 905 if (remaining_args > 0) |
906 { | |
907 // If we are running an executable script (#! /bin/octave) then | |
908 // we should only see the args passed to the script. | |
909 | |
910 intern_argv (remaining_args, argv+last_arg_idx); | |
911 | |
912 execute_command_line_file (argv[last_arg_idx]); | |
913 | |
914 if (! persist) | |
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915 { |
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916 quitting_gracefully = true; |
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917 |
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918 clean_up_and_exit (error_state ? 1 : 0); |
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919 } |
5189 | 920 } |
921 | |
922 // Avoid counting commands executed from startup files. | |
923 | |
924 command_editor::reset_current_command_number (1); | |
925 | |
926 // Now argv should have the full set of args. | |
927 intern_argv (argc, argv); | |
928 | |
929 if (! embedded) | |
930 switch_to_buffer (create_buffer (get_input_from_stdin ())); | |
931 | |
1358 | 932 // Force input to be echoed if not really interactive, but the user |
933 // has forced interactive behavior. | |
1 | 934 |
1907 | 935 if (! interactive && forced_interactive) |
287 | 936 { |
2926 | 937 command_editor::blink_matching_paren (false); |
1588 | 938 |
5775 | 939 // FIXME -- is this the right thing to do? |
1588 | 940 |
5794 | 941 bind_internal_variable ("echo_executing_commands", ECHO_CMD_LINE); |
287 | 942 } |
1 | 943 |
4368 | 944 if (embedded) |
5502 | 945 { |
5775 | 946 // FIXME -- do we need to do any cleanup here before |
5502 | 947 // returning? If we don't, what will happen to Octave functions |
948 // that have been registered to execute with atexit, for example? | |
949 | |
950 return 1; | |
951 } | |
4368 | 952 |
5189 | 953 int retval = main_loop (); |
1 | 954 |
1005 | 955 if (retval == 1 && ! error_state) |
956 retval = 0; | |
957 | |
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958 quitting_gracefully = true; |
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959 |
1 | 960 clean_up_and_exit (retval); |
4247 | 961 |
962 return 0; | |
1 | 963 } |
964 | |
5780 | 965 DEFUN (argv, args, , |
966 "-*- texinfo -*-\n\ | |
967 @deftypefn {Built-in Function} {} argv ()\n\ | |
968 Return the command line arguments passed to Octave. For example,\n\ | |
969 if you invoked Octave using the command\n\ | |
970 \n\ | |
971 @example\n\ | |
972 octave --no-line-editing --silent\n\ | |
973 @end example\n\ | |
974 \n\ | |
975 @noindent\n\ | |
976 @code{argv} would return a cell array of strings with the elements\n\ | |
10840 | 977 @option{--no-line-editing} and @option{--silent}.\n\ |
5780 | 978 \n\ |
979 If you write an executable Octave script, @code{argv} will return the\n\ | |
980 list of arguments passed to the script. @xref{Executable Octave Programs},\n\ | |
981 for an example of how to create an executable Octave script.\n\ | |
982 @end deftypefn") | |
983 { | |
984 octave_value retval; | |
985 | |
986 if (args.length () == 0) | |
987 retval = Cell (octave_argv); | |
988 else | |
5823 | 989 print_usage (); |
5780 | 990 |
991 return retval; | |
992 } | |
993 | |
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994 /* |
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995 %!assert (iscellstr (argv ())) |
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996 %!error argv (1) |
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997 */ |
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998 |
5780 | 999 DEFUN (program_invocation_name, args, , |
1000 "-*- texinfo -*-\n\ | |
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1001 @deftypefn {Built-in Function} {} program_invocation_name ()\n\ |
5780 | 1002 Return the name that was typed at the shell prompt to run Octave.\n\ |
1003 \n\ | |
1004 If executing a script from the command line (e.g., @code{octave foo.m})\n\ | |
1005 or using an executable Octave script, the program name is set to the\n\ | |
1006 name of the script. @xref{Executable Octave Programs}, for an example of\n\ | |
1007 how to create an executable Octave script.\n\ | |
1008 @seealso{program_name}\n\ | |
1009 @end deftypefn") | |
1010 { | |
1011 octave_value retval; | |
1012 | |
1013 if (args.length () == 0) | |
1014 retval = octave_program_invocation_name; | |
1015 else | |
5823 | 1016 print_usage (); |
5780 | 1017 |
1018 return retval; | |
1019 } | |
1020 | |
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1021 /* |
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1022 %!assert (ischar (program_invocation_name ())) |
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1023 %!error program_invocation_name (1) |
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1024 */ |
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1025 |
5780 | 1026 DEFUN (program_name, args, , |
1027 "-*- texinfo -*-\n\ | |
1028 @deftypefn {Built-in Function} {} program_name ()\n\ | |
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1029 Return the last component of the value returned by\n\ |
5780 | 1030 @code{program_invocation_name}.\n\ |
1031 @seealso{program_invocation_name}\n\ | |
1032 @end deftypefn") | |
1033 { | |
1034 octave_value retval; | |
1035 | |
1036 if (args.length () == 0) | |
1037 retval = octave_program_name; | |
1038 else | |
5823 | 1039 print_usage (); |
5780 | 1040 |
1041 return retval; | |
1042 } | |
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1043 |
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1044 /* |
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1045 %!assert (ischar (program_name ())) |
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1046 %!error program_name (1) |
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1047 */ |