Mercurial > hg > octave-nkf
annotate src/toplev.cc @ 7926:d74f996e005d
__magick_read__.cc: configuration and style fixes
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 14 Jul 2008 16:00:09 -0400 |
| parents | c3d21b9b94b6 |
| children | 0d607e8dbbfa |
| rev | line source |
|---|---|
| 1683 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
| 4 2004, 2005, 2006, 2007 John W. Eaton | |
| 1683 | 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. | |
| 1683 | 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/>. | |
| 1683 | 21 |
| 22 */ | |
| 23 | |
| 24 #ifdef HAVE_CONFIG_H | |
| 25 #include <config.h> | |
| 26 #endif | |
| 27 | |
| 28 #include <cassert> | |
| 4489 | 29 #include <cerrno> |
| 1683 | 30 #include <cstdlib> |
| 31 #include <cstring> | |
| 4221 | 32 #include <new> |
| 1683 | 33 |
| 3503 | 34 #include <fstream> |
| 35 #include <iostream> | |
| 5765 | 36 #include <sstream> |
| 1728 | 37 #include <string> |
| 38 | |
| 1683 | 39 #ifdef HAVE_UNISTD_H |
| 2442 | 40 #ifdef HAVE_SYS_TYPES_H |
| 1683 | 41 #include <sys/types.h> |
| 2442 | 42 #endif |
| 1683 | 43 #include <unistd.h> |
| 44 #endif | |
| 45 | |
| 2926 | 46 #include "cmd-edit.h" |
| 47 #include "file-ops.h" | |
| 1683 | 48 #include "lo-error.h" |
| 2370 | 49 #include "lo-mappers.h" |
| 3020 | 50 #include "oct-env.h" |
| 4153 | 51 #include "quit.h" |
| 1755 | 52 #include "str-vec.h" |
| 1683 | 53 |
| 2492 | 54 #include <defaults.h> |
| 1683 | 55 #include "defun.h" |
| 56 #include "error.h" | |
| 57 #include "file-io.h" | |
| 58 #include "input.h" | |
| 59 #include "lex.h" | |
| 2492 | 60 #include <oct-conf.h> |
| 1742 | 61 #include "oct-hist.h" |
| 2162 | 62 #include "oct-map.h" |
| 2862 | 63 #include "oct-obj.h" |
| 1683 | 64 #include "pager.h" |
| 65 #include "parse.h" | |
| 66 #include "pathsearch.h" | |
| 67 #include "procstream.h" | |
| 2370 | 68 #include "ov.h" |
| 2985 | 69 #include "pt-jump.h" |
| 2982 | 70 #include "pt-stmt.h" |
| 1683 | 71 #include "sighandlers.h" |
| 72 #include "sysdep.h" | |
| 2693 | 73 #include "syswait.h" |
| 1750 | 74 #include "toplev.h" |
| 1683 | 75 #include "unwind-prot.h" |
| 76 #include "utils.h" | |
| 77 #include "variables.h" | |
| 2492 | 78 #include <version.h> |
| 1683 | 79 |
| 3020 | 80 // TRUE means we are exiting via the builtin exit or quit functions. |
| 81 static bool quitting_gracefully = false; | |
| 1683 | 82 |
| 4217 | 83 // TRUE means we are ready to interpret commands, but not everything |
| 84 // is ready for interactive use. | |
| 85 bool octave_interpreter_ready = false; | |
| 86 | |
| 4172 | 87 // TRUE means we've processed all the init code and we are good to go. |
| 88 bool octave_initialized = false; | |
| 89 | |
| 1683 | 90 // Current command to execute. |
| 91 tree_statement_list *global_command = 0; | |
| 92 | |
| 4238 | 93 // Pointer to parent function that is currently being evaluated. |
| 4748 | 94 octave_function *curr_parent_function = 0; |
| 4238 | 95 |
| 5743 | 96 octave_call_stack *octave_call_stack::instance = 0; |
| 97 | |
|
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98 int |
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99 octave_call_stack::do_current_line (void) const |
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100 { |
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101 tree_statement *stmt = do_top_statement (); |
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102 |
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103 return stmt ? stmt->line () : -1; |
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104 } |
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105 |
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106 int |
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107 octave_call_stack::do_current_column (void) const |
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108 { |
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109 tree_statement *stmt = do_top_statement (); |
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110 |
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111 return stmt ? stmt->column () : -1; |
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112 } |
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113 |
| 7877 | 114 int |
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115 octave_call_stack::do_caller_user_code_line (void) const |
| 7877 | 116 { |
| 117 int retval = -1; | |
| 118 | |
| 7890 | 119 const_iterator p = cs.end (); |
| 120 | |
| 121 while (p != cs.begin ()) | |
| 7877 | 122 { |
| 7890 | 123 const call_stack_elt& elt = *(--p); |
| 7877 | 124 |
| 125 octave_function *f = elt.fcn; | |
| 126 | |
| 127 if (f && f->is_user_code ()) | |
| 128 { | |
| 129 tree_statement *stmt = elt.stmt; | |
| 130 | |
| 131 if (stmt) | |
| 132 { | |
| 133 retval = stmt->line (); | |
| 134 break; | |
| 135 } | |
| 136 } | |
| 137 } | |
| 138 | |
| 139 return retval; | |
| 140 } | |
| 141 | |
| 142 int | |
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143 octave_call_stack::do_caller_user_code_column (void) const |
| 7877 | 144 { |
| 145 int retval = -1; | |
| 146 | |
| 7890 | 147 const_iterator p = cs.end (); |
| 148 | |
| 149 while (p != cs.begin ()) | |
| 7877 | 150 { |
| 7890 | 151 const call_stack_elt& elt = *(--p); |
| 7877 | 152 |
| 153 octave_function *f = elt.fcn; | |
| 154 | |
| 155 if (f && f->is_user_code ()) | |
| 156 { | |
| 157 tree_statement *stmt = elt.stmt; | |
| 158 | |
| 159 if (stmt) | |
| 160 { | |
| 161 retval = stmt->column (); | |
| 162 break; | |
| 163 } | |
| 164 } | |
| 165 } | |
| 166 | |
| 167 return retval; | |
| 168 } | |
| 169 | |
| 7901 | 170 size_t |
| 171 octave_call_stack::do_num_user_code_frames (octave_idx_type& curr_user_frame) const | |
| 172 { | |
| 173 size_t retval = 0; | |
| 174 | |
| 175 curr_user_frame = 0; | |
| 176 | |
| 177 // Look for the caller of dbstack. | |
| 178 size_t frame = cs[curr_frame].prev; | |
| 179 | |
| 180 bool found = false; | |
| 181 | |
| 182 size_t k = cs.size (); | |
| 183 | |
| 184 for (const_reverse_iterator p = cs.rbegin (); p != cs.rend (); p++) | |
| 185 { | |
| 186 octave_function *f = (*p).fcn; | |
| 187 | |
| 188 if (--k == frame) | |
| 189 found = true; | |
| 190 | |
| 191 if (f && f->is_user_code ()) | |
| 192 { | |
| 193 if (! found) | |
| 194 curr_user_frame++; | |
| 195 | |
| 196 retval++; | |
| 197 } | |
| 198 } | |
| 199 | |
| 200 // We counted how many user frames were not the one, in reverse. | |
| 201 // Now set curr_user_frame to be the index in the other direction. | |
| 202 curr_user_frame = retval - curr_user_frame - 1; | |
| 203 | |
| 204 return retval; | |
| 205 } | |
| 206 | |
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207 octave_user_code * |
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208 octave_call_stack::do_caller_user_code (size_t nskip) const |
| 5744 | 209 { |
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210 octave_user_code *retval = 0; |
| 5744 | 211 |
| 7890 | 212 const_iterator p = cs.end (); |
| 213 | |
| 214 while (p != cs.begin ()) | |
| 5744 | 215 { |
| 7890 | 216 const call_stack_elt& elt = *(--p); |
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217 |
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218 octave_function *f = elt.fcn; |
| 5744 | 219 |
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220 if (f && f->is_user_code ()) |
| 5744 | 221 { |
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222 if (nskip > 0) |
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223 nskip--; |
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224 else |
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225 { |
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226 retval = dynamic_cast<octave_user_code *> (f); |
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227 break; |
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228 } |
| 5744 | 229 } |
| 230 } | |
| 231 | |
| 232 return retval; | |
| 233 } | |
| 234 | |
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235 Octave_map |
| 7901 | 236 octave_call_stack::do_backtrace (size_t nskip, |
| 237 octave_idx_type& curr_user_frame) const | |
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238 { |
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239 Octave_map retval; |
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240 |
| 7901 | 241 size_t user_code_frames = do_num_user_code_frames (curr_user_frame); |
| 242 | |
| 243 size_t nframes = nskip <= user_code_frames ? user_code_frames - nskip : 0; | |
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244 |
| 7901 | 245 // Our list is reversed. |
| 246 curr_user_frame = nframes - curr_user_frame - 1; | |
| 247 | |
| 248 Cell keys (6, 1); | |
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249 |
| 7901 | 250 keys(0) = "file"; |
| 251 keys(1) = "name"; | |
| 252 keys(2) = "line"; | |
| 253 keys(3) = "column"; | |
| 254 keys(4) = "scope"; | |
| 255 keys(5) = "context"; | |
| 7890 | 256 |
| 7901 | 257 Cell file (nframes, 1); |
| 258 Cell name (nframes, 1); | |
| 259 Cell line (nframes, 1); | |
| 260 Cell column (nframes, 1); | |
| 261 Cell scope (nframes, 1); | |
| 262 Cell context (nframes, 1); | |
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263 |
| 7901 | 264 if (nframes > 0) |
| 265 { | |
| 266 int k = 0; | |
| 267 | |
| 268 for (const_reverse_iterator p = cs.rbegin (); p != cs.rend (); p++) | |
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269 { |
| 7901 | 270 const call_stack_elt& elt = *p; |
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271 |
| 7736 | 272 octave_function *f = elt.fcn; |
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273 |
| 7901 | 274 if (f && f->is_user_code ()) |
| 7736 | 275 { |
| 7901 | 276 if (nskip > 0) |
| 277 nskip--; | |
| 7736 | 278 else |
| 279 { | |
| 7901 | 280 scope(k) = elt.scope; |
| 281 context(k) = elt.context; | |
| 282 | |
| 283 file(k) = f->fcn_file_name (); | |
| 284 std::string parent_fcn_name = f->parent_fcn_name (); | |
| 285 if (parent_fcn_name == std::string ()) | |
| 286 name(k) = f->name (); | |
| 287 else | |
| 288 name(k) = f->parent_fcn_name () + Vfilemarker + f->name (); | |
| 289 | |
| 290 tree_statement *stmt = elt.stmt; | |
| 291 | |
| 292 if (stmt) | |
| 293 { | |
| 294 line(k) = stmt->line (); | |
| 295 column(k) = stmt->column (); | |
| 296 } | |
| 297 else | |
| 298 { | |
| 299 line(k) = -1; | |
| 300 column(k) = -1; | |
| 301 } | |
| 302 | |
| 303 k++; | |
| 7736 | 304 } |
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305 } |
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306 } |
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307 |
| 7736 | 308 retval.assign ("file", file); |
| 309 retval.assign ("name", name); | |
| 310 retval.assign ("line", line); | |
| 311 retval.assign ("column", column); | |
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312 retval.assign ("scope", scope); |
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313 retval.assign ("context", context); |
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314 } |
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315 |
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316 return retval; |
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317 } |
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318 |
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319 bool |
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320 octave_call_stack::do_goto_frame (size_t n, bool verbose) |
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321 { |
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322 bool retval = false; |
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323 |
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324 if (n < cs.size ()) |
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325 { |
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326 retval = true; |
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327 |
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328 curr_frame = n; |
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329 |
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330 const call_stack_elt& elt = cs[n]; |
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331 |
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332 symbol_table::set_scope_and_context (elt.scope, elt.context); |
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333 |
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334 if (verbose) |
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335 { |
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336 octave_function *f = elt.fcn; |
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337 std::string nm = f ? f->name () : std::string ("<unknown>"); |
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338 |
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339 tree_statement *s = elt.stmt; |
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340 int l = -1; |
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341 int c = -1; |
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342 if (s) |
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343 { |
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344 l = s->line (); |
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345 c = s->column (); |
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346 } |
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347 |
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348 octave_stdout << "stopped in " << nm |
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349 << " at line " << l << " column " << c |
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350 << " (" << elt.scope << "[" << elt.context << "])" |
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351 << std::endl; |
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352 } |
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353 } |
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354 |
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355 return retval; |
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356 } |
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357 |
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358 bool |
| 7901 | 359 octave_call_stack::do_goto_frame_relative (int nskip, bool verbose) |
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360 { |
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361 bool retval = false; |
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362 |
| 7901 | 363 if (nskip == 0) |
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364 retval = true; |
| 7890 | 365 else |
| 366 { | |
| 7901 | 367 int incr = nskip < 0 ? -1 : 1; |
| 368 | |
| 369 // Start looking with the caller of dbup/dbdown. | |
| 370 size_t frame = cs[curr_frame].prev; | |
| 371 | |
| 372 while (true) | |
| 373 { | |
| 374 if ((incr < 0 && frame == 0) || (incr > 0 && frame == cs.size () - 1)) | |
| 375 break; | |
| 376 | |
| 377 frame += incr; | |
| 378 | |
| 379 const call_stack_elt& elt = cs[frame]; | |
| 380 | |
| 381 octave_function *f = elt.fcn; | |
| 382 | |
| 383 if (f && f->is_user_code ()) | |
| 384 { | |
| 385 if (nskip > 0) | |
| 386 nskip--; | |
| 387 else if (nskip < 0) | |
| 388 nskip++; | |
| 389 | |
| 390 if (nskip == 0) | |
| 391 { | |
| 392 curr_frame = frame; | |
| 393 cs[cs.size () - 1].prev = curr_frame; | |
| 7890 | 394 |
| 7901 | 395 if (verbose) |
| 396 { | |
| 397 tree_statement *s = elt.stmt; | |
| 398 int l = -1; | |
| 399 int c = -1; | |
| 400 if (s) | |
| 401 { | |
| 402 l = s->line (); | |
| 403 c = s->column (); | |
| 404 } | |
| 405 | |
| 406 std::ostringstream buf; | |
| 407 buf << f->name () << ": " << " line " << l | |
| 408 << ", column " << c << std::endl; | |
| 409 | |
| 410 octave_stdout << buf.str (); | |
| 411 } | |
| 412 | |
| 413 retval = true; | |
| 414 break; | |
| 415 } | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 // There is no need to set scope and context here. That will | |
| 420 // happen when the dbup/dbdown frame is popped and we jump to | |
| 421 // the new "prev" frame set above. | |
| 7890 | 422 } |
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423 |
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424 return retval; |
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425 } |
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426 |
| 5744 | 427 void |
| 7901 | 428 octave_call_stack::do_goto_caller_frame (void) |
| 429 { | |
| 430 size_t frame = curr_frame; | |
| 431 | |
| 432 bool skipped = false; | |
| 433 | |
| 434 while (frame != 0) | |
| 435 { | |
| 436 frame = cs[frame].prev; | |
| 437 | |
| 438 const call_stack_elt& elt = cs[frame]; | |
| 439 | |
| 440 octave_function *f = elt.fcn; | |
| 441 | |
| 442 if (f && f->is_user_code ()) | |
| 443 { | |
| 444 if (! skipped) | |
| 445 // We found the current user code frame, so skip it. | |
| 446 skipped = true; | |
| 447 else | |
| 448 { | |
| 449 // We found the caller user code frame. | |
| 450 call_stack_elt tmp (elt); | |
| 451 tmp.prev = curr_frame; | |
| 452 | |
| 453 curr_frame = cs.size (); | |
| 454 | |
| 455 cs.push_back (tmp); | |
| 456 | |
| 457 symbol_table::set_scope_and_context (tmp.scope, tmp.context); | |
| 458 | |
| 459 break; | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 } | |
| 464 | |
| 465 void | |
| 466 octave_call_stack::do_goto_base_frame (void) | |
| 467 { | |
| 468 call_stack_elt tmp (cs[0]); | |
| 469 tmp.prev = curr_frame; | |
| 470 | |
| 471 curr_frame = cs.size (); | |
| 472 | |
| 473 cs.push_back (tmp); | |
| 474 | |
| 475 symbol_table::set_scope_and_context (tmp.scope, tmp.context); | |
| 476 } | |
| 477 | |
| 478 void | |
| 4180 | 479 recover_from_exception (void) |
| 480 { | |
| 481 can_interrupt = true; | |
| 4182 | 482 octave_interrupt_immediately = 0; |
| 4180 | 483 octave_interrupt_state = 0; |
| 5142 | 484 octave_signal_caught = 0; |
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485 octave_exception_state = octave_no_exception; |
| 4180 | 486 octave_restore_signal_mask (); |
| 487 octave_catch_interrupts (); | |
| 488 } | |
| 489 | |
| 1907 | 490 int |
| 5189 | 491 main_loop (void) |
| 1907 | 492 { |
| 2016 | 493 octave_save_signal_mask (); |
| 494 | |
| 3020 | 495 can_interrupt = true; |
| 1907 | 496 |
| 5142 | 497 octave_signal_hook = octave_signal_handler; |
| 4429 | 498 octave_interrupt_hook = unwind_protect::run_all; |
| 499 octave_bad_alloc_hook = unwind_protect::run_all; | |
| 500 | |
| 2554 | 501 octave_catch_interrupts (); |
| 1907 | 502 |
| 4172 | 503 octave_initialized = true; |
| 504 | |
| 1907 | 505 // The big loop. |
| 506 | |
| 4153 | 507 int retval = 0; |
| 1907 | 508 do |
| 509 { | |
| 4180 | 510 try |
| 1907 | 511 { |
| 7336 | 512 symbol_table::reset_scope (); |
| 2620 | 513 |
| 4318 | 514 reset_error_handler (); |
| 515 | |
| 4153 | 516 reset_parser (); |
| 2620 | 517 |
| 4753 | 518 // This is the same as yyparse in parse.y. |
| 519 retval = octave_parse (); | |
| 2620 | 520 |
| 4153 | 521 if (retval == 0) |
| 522 { | |
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523 if (global_command) |
| 3804 | 524 { |
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525 global_command->eval (); |
| 3883 | 526 |
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527 delete global_command; |
| 3883 | 528 |
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529 global_command = 0; |
| 3883 | 530 |
| 4171 | 531 OCTAVE_QUIT; |
| 532 | |
| 3883 | 533 if (! (interactive || forced_interactive)) |
| 534 { | |
| 4207 | 535 bool quit = (tree_return_command::returning |
| 536 || tree_break_command::breaking); | |
| 4153 | 537 |
| 4207 | 538 if (tree_return_command::returning) |
| 539 tree_return_command::returning = 0; | |
| 4153 | 540 |
| 4207 | 541 if (tree_break_command::breaking) |
| 542 tree_break_command::breaking--; | |
| 4153 | 543 |
| 544 if (quit) | |
| 545 break; | |
| 546 } | |
| 547 | |
| 548 if (error_state) | |
| 549 { | |
| 550 if (! (interactive || forced_interactive)) | |
| 551 { | |
| 552 // We should exit with a non-zero status. | |
| 553 retval = 1; | |
| 554 break; | |
| 555 } | |
| 556 } | |
| 557 else | |
| 558 { | |
| 559 if (octave_completion_matches_called) | |
| 560 octave_completion_matches_called = false; | |
| 561 else | |
| 562 command_editor::increment_current_command_number (); | |
| 3883 | 563 } |
| 564 } | |
| 4153 | 565 else if (parser_end_of_input) |
| 566 break; | |
| 2620 | 567 } |
| 4153 | 568 } |
| 4182 | 569 catch (octave_interrupt_exception) |
| 4153 | 570 { |
| 4180 | 571 recover_from_exception (); |
| 5629 | 572 octave_stdout << "\n"; |
| 4180 | 573 } |
| 4181 | 574 catch (std::bad_alloc) |
| 4180 | 575 { |
| 576 recover_from_exception (); | |
| 577 std::cerr | |
| 6680 | 578 << "error: memory exhausted or requested size too large for range of Octave's index type -- trying to return to prompt" |
| 579 << std::endl; | |
| 1907 | 580 } |
| 581 } | |
| 582 while (retval == 0); | |
| 583 | |
| 584 return retval; | |
| 585 } | |
| 586 | |
| 1683 | 587 // Fix up things before exiting. |
| 588 | |
| 589 void | |
| 3162 | 590 clean_up_and_exit (int retval) |
| 591 { | |
| 3216 | 592 do_octave_atexit (); |
| 1683 | 593 |
| 5451 | 594 sysdep_cleanup (); |
| 595 | |
| 3162 | 596 exit (retval == EOF ? 0 : retval); |
| 1683 | 597 } |
| 598 | |
| 3180 | 599 DEFUN (quit, args, nargout, |
| 3332 | 600 "-*- texinfo -*-\n\ |
| 601 @deftypefn {Built-in Function} {} exit (@var{status})\n\ | |
| 602 @deftypefnx {Built-in Function} {} quit (@var{status})\n\ | |
| 603 Exit the current Octave session. If the optional integer value\n\ | |
| 604 @var{status} is supplied, pass that value to the operating system as the\n\ | |
| 6615 | 605 Octave's exit status. The default value is zero.\n\ |
| 3333 | 606 @end deftypefn") |
| 1683 | 607 { |
| 2086 | 608 octave_value_list retval; |
| 2068 | 609 |
| 3180 | 610 if (nargout == 0) |
| 2068 | 611 { |
| 3180 | 612 int exit_status = 0; |
| 613 | |
| 614 quitting_gracefully = true; | |
| 1683 | 615 |
| 3180 | 616 if (args.length () > 0) |
| 617 { | |
| 3202 | 618 int tmp = args(0).nint_value (); |
| 1683 | 619 |
| 3202 | 620 if (! error_state) |
| 621 exit_status = tmp; | |
| 3180 | 622 } |
| 623 | |
| 624 clean_up_and_exit (exit_status); | |
| 2068 | 625 } |
| 3180 | 626 else |
| 627 error ("quit: invalid number of output arguments"); | |
| 2068 | 628 |
| 1683 | 629 return retval; |
| 630 } | |
| 631 | |
| 632 DEFALIAS (exit, quit); | |
| 633 | |
| 1957 | 634 DEFUN (warranty, , , |
| 3446 | 635 "-*- texinfo -*-\n\ |
| 636 @deftypefn {Built-in Function} {} warranty ()\n\ | |
| 637 Describe the conditions for copying and distributing Octave.\n\ | |
| 638 @end deftypefn") | |
| 1683 | 639 { |
| 2086 | 640 octave_value_list retval; |
| 1683 | 641 |
| 3922 | 642 octave_stdout << "\n" \ |
| 643 OCTAVE_NAME_VERSION_AND_COPYRIGHT "\n\ | |
| 644 \n\ | |
| 1683 | 645 This program is free software; you can redistribute it and/or modify\n\ |
| 646 it under the terms of the GNU General Public License as published by\n\ | |
| 7016 | 647 the Free Software Foundation; either version 3 of the License, or\n\ |
| 1683 | 648 (at your option) any later version.\n\ |
| 649 \n\ | |
| 650 This program is distributed in the hope that it will be useful,\n\ | |
| 651 but WITHOUT ANY WARRANTY; without even the implied warranty of\n\ | |
| 652 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n\ | |
| 653 GNU General Public License for more details.\n\ | |
| 654 \n\ | |
| 655 You should have received a copy of the GNU General Public License\n\ | |
| 7016 | 656 along with this program. If not, see <http://www.gnu.org/licenses/>.\n\ |
| 1683 | 657 \n"; |
| 658 | |
| 659 return retval; | |
| 660 } | |
| 661 | |
| 662 // Execute a shell command. | |
| 663 | |
| 1965 | 664 static void |
| 665 cleanup_iprocstream (void *p) | |
| 666 { | |
| 3060 | 667 iprocstream *cmd = static_cast<iprocstream *> (p); |
| 668 | |
| 669 octave_child_list::remove (cmd->pid ()); | |
| 670 | |
| 671 delete cmd; | |
| 1965 | 672 } |
| 673 | |
| 6316 | 674 static int |
| 675 wait_for_input (int fid) | |
| 676 { | |
| 677 int retval = -1; | |
| 678 | |
| 679 #if defined (HAVE_SELECT) | |
| 680 if (fid >= 0) | |
| 681 { | |
| 682 fd_set set; | |
| 683 | |
| 684 FD_ZERO (&set); | |
| 685 FD_SET (fid, &set); | |
| 686 | |
| 687 retval = select (FD_SETSIZE, &set, 0, 0, 0); | |
| 688 } | |
| 689 #else | |
| 690 retval = 1; | |
| 691 #endif | |
| 692 | |
| 693 return retval; | |
| 694 } | |
| 695 | |
| 2086 | 696 static octave_value_list |
| 3523 | 697 run_command_and_return_output (const std::string& cmd_str) |
| 2083 | 698 { |
| 2086 | 699 octave_value_list retval; |
| 2083 | 700 |
| 701 iprocstream *cmd = new iprocstream (cmd_str.c_str ()); | |
| 702 | |
| 3060 | 703 if (cmd) |
| 2083 | 704 { |
| 3060 | 705 unwind_protect::add (cleanup_iprocstream, cmd); |
| 706 | |
| 707 if (*cmd) | |
| 708 { | |
| 6316 | 709 int fid = cmd->file_number (); |
| 2095 | 710 |
| 6316 | 711 std::ostringstream output_buf; |
| 4494 | 712 |
| 3060 | 713 char ch; |
| 3147 | 714 |
| 4489 | 715 for (;;) |
| 3147 | 716 { |
| 4489 | 717 if (cmd->get (ch)) |
| 718 output_buf.put (ch); | |
| 719 else | |
| 720 { | |
| 721 if (! cmd->eof () && errno == EAGAIN) | |
| 722 { | |
| 723 cmd->clear (); | |
| 3147 | 724 |
| 6316 | 725 if (wait_for_input (fid) != 1) |
| 726 break; | |
| 4489 | 727 } |
| 728 else | |
| 729 break; | |
| 730 } | |
| 3147 | 731 } |
| 732 | |
| 3252 | 733 int cmd_status = cmd->close (); |
| 2083 | 734 |
| 3060 | 735 if (WIFEXITED (cmd_status)) |
| 736 cmd_status = WEXITSTATUS (cmd_status); | |
| 737 else | |
| 738 cmd_status = 127; | |
| 2083 | 739 |
| 5659 | 740 retval(0) = (double) cmd_status; |
| 5765 | 741 retval(1) = output_buf.str (); |
| 3060 | 742 } |
| 743 | |
| 744 unwind_protect::run (); | |
| 2083 | 745 } |
| 746 else | |
| 747 error ("unable to start subprocess for `%s'", cmd_str.c_str ()); | |
| 748 | |
| 749 return retval; | |
| 750 } | |
| 751 | |
| 5285 | 752 enum system_exec_type { et_sync, et_async }; |
| 753 | |
| 1957 | 754 DEFUN (system, args, nargout, |
| 3301 | 755 "-*- texinfo -*-\n\ |
| 756 @deftypefn {Built-in Function} {} system (@var{string}, @var{return_output}, @var{type})\n\ | |
| 757 Execute a shell command specified by @var{string}. The second\n\ | |
| 758 argument is optional. If @var{type} is @code{\"async\"}, the process\n\ | |
| 759 is started in the background and the process id of the child process\n\ | |
| 760 is returned immediately. Otherwise, the process is started, and\n\ | |
| 761 Octave waits until it exits. If @var{type} argument is omitted, a\n\ | |
| 762 value of @code{\"sync\"} is assumed.\n\ | |
| 2083 | 763 \n\ |
| 3301 | 764 If two input arguments are given (the actual value of\n\ |
| 765 @var{return_output} is irrelevant) and the subprocess is started\n\ | |
| 766 synchronously, or if @var{system} is called with one input argument and\n\ | |
| 767 one or more output arguments, the output from the command is returned.\n\ | |
| 5097 | 768 Otherwise, if the subprocess is executed synchronously, its output is\n\ |
| 2321 | 769 sent to the standard output. To send the output of a command executed\n\ |
| 3301 | 770 with @var{system} through the pager, use a command like\n\ |
| 2321 | 771 \n\ |
| 3301 | 772 @example\n\ |
| 773 disp (system (cmd, 1));\n\ | |
| 774 @end example\n\ | |
| 2321 | 775 \n\ |
| 3301 | 776 @noindent\n\ |
| 2321 | 777 or\n\ |
| 778 \n\ | |
| 3301 | 779 @example\n\ |
| 780 printf (\"%s\n\", system (cmd, 1));\n\ | |
| 781 @end example\n\ | |
| 782 \n\ | |
| 5659 | 783 The @code{system} function can return two values. The first is the\n\ |
| 784 exit status of the command and the second is any output from the\n\ | |
| 785 command that was written to the standard output stream. For example,\n\ | |
| 3301 | 786 \n\ |
| 787 @example\n\ | |
| 5717 | 788 [status, output] = system (\"echo foo; exit 2\");\n\ |
| 3301 | 789 @end example\n\ |
| 790 \n\ | |
| 791 @noindent\n\ | |
| 792 will set the variable @code{output} to the string @samp{foo}, and the\n\ | |
| 793 variable @code{status} to the integer @samp{2}.\n\ | |
| 794 @end deftypefn") | |
| 1683 | 795 { |
| 2086 | 796 octave_value_list retval; |
| 1683 | 797 |
| 3834 | 798 unwind_protect::begin_frame ("Fsystem"); |
| 799 | |
| 1683 | 800 int nargin = args.length (); |
| 801 | |
| 2083 | 802 if (nargin > 0 && nargin < 4) |
| 1683 | 803 { |
| 5672 | 804 bool return_output = (nargout > 1 || nargin > 1); |
| 2083 | 805 |
| 3523 | 806 std::string cmd_str = args(0).string_value (); |
| 2083 | 807 |
| 5285 | 808 system_exec_type type = et_sync; |
| 2083 | 809 |
| 810 if (! error_state) | |
| 811 { | |
| 812 if (nargin > 2) | |
| 813 { | |
| 3523 | 814 std::string type_str = args(2).string_value (); |
| 1683 | 815 |
| 2083 | 816 if (! error_state) |
| 817 { | |
| 818 if (type_str == "sync") | |
| 5285 | 819 type = et_sync; |
| 2083 | 820 else if (type_str == "async") |
| 5285 | 821 type = et_async; |
| 2083 | 822 else |
| 823 error ("system: third arg must be \"sync\" or \"async\""); | |
| 824 } | |
| 825 else | |
| 826 error ("system: third argument must be a string"); | |
| 827 } | |
| 828 } | |
| 829 else | |
| 3523 | 830 error ("system: expecting std::string as first argument"); |
| 1683 | 831 |
| 2083 | 832 if (! error_state) |
| 833 { | |
| 7104 | 834 #if defined (__WIN32__) && ! defined (__CYGWIN__) |
| 835 // Work around weird double-quote handling on Windows systems. | |
| 836 if (type == et_sync) | |
| 837 cmd_str = "\"" + cmd_str + "\""; | |
| 838 #endif | |
| 839 | |
| 5285 | 840 if (type == et_async) |
| 2083 | 841 { |
| 6222 | 842 // FIXME -- maybe this should go in sysdep.cc? |
| 4086 | 843 #ifdef HAVE_FORK |
| 2083 | 844 pid_t pid = fork (); |
| 845 | |
| 846 if (pid < 0) | |
| 847 error ("system: fork failed -- can't create child process"); | |
| 848 else if (pid == 0) | |
| 849 { | |
| 5775 | 850 // FIXME -- should probably replace this |
| 3273 | 851 // call with something portable. |
| 852 | |
| 5510 | 853 execl ("/bin/sh", "sh", "-c", cmd_str.c_str (), |
| 854 static_cast<void *> (0)); | |
| 3273 | 855 |
| 856 panic_impossible (); | |
| 2083 | 857 } |
| 858 else | |
| 4254 | 859 retval(0) = pid; |
| 6222 | 860 #elif defined (__WIN32__) |
| 861 STARTUPINFO si; | |
| 862 PROCESS_INFORMATION pi; | |
| 863 ZeroMemory (&si, sizeof (si)); | |
| 864 ZeroMemory (&pi, sizeof (pi)); | |
| 865 OCTAVE_LOCAL_BUFFER (char, xcmd_str, cmd_str.length()+1); | |
| 6676 | 866 strcpy (xcmd_str, cmd_str.c_str ()); |
| 6222 | 867 |
| 868 if (! CreateProcess (0, xcmd_str, 0, 0, FALSE, 0, 0, 0, &si, &pi)) | |
| 869 error ("system: CreateProcess failed -- can't create child process"); | |
| 870 else | |
| 871 { | |
| 872 retval(0) = pi.dwProcessId; | |
| 873 CloseHandle (pi.hProcess); | |
| 874 CloseHandle (pi.hThread); | |
| 875 } | |
| 4086 | 876 #else |
| 877 error ("asynchronous system calls are not supported"); | |
| 878 #endif | |
| 2083 | 879 } |
| 2321 | 880 else if (return_output) |
| 881 retval = run_command_and_return_output (cmd_str); | |
| 2083 | 882 else |
| 2321 | 883 { |
| 884 int status = system (cmd_str.c_str ()); | |
| 885 | |
| 886 // The value in status is as returned by waitpid. If | |
| 887 // the process exited normally, extract the actual exit | |
| 888 // status of the command. Otherwise, return 127 as a | |
| 889 // failure code. | |
| 890 | |
| 2693 | 891 if (WIFEXITED (status)) |
| 892 status = WEXITSTATUS (status); | |
| 2321 | 893 |
| 4233 | 894 retval(0) = status; |
| 2321 | 895 } |
| 2083 | 896 } |
| 1683 | 897 } |
| 898 else | |
| 5823 | 899 print_usage (); |
| 1683 | 900 |
| 3834 | 901 unwind_protect::run_frame ("Fsystem"); |
| 902 | |
| 1683 | 903 return retval; |
| 904 } | |
| 905 | |
| 906 DEFALIAS (shell_cmd, system); | |
| 907 | |
| 5775 | 908 // FIXME -- this should really be static, but that causes |
| 2614 | 909 // problems on some systems. |
| 6680 | 910 std::list<std::string> octave_atexit_functions; |
| 2077 | 911 |
| 912 void | |
| 913 do_octave_atexit (void) | |
| 914 { | |
| 3216 | 915 static bool deja_vu = false; |
| 916 | |
| 2077 | 917 while (! octave_atexit_functions.empty ()) |
| 918 { | |
| 6680 | 919 std::string fcn = octave_atexit_functions.front (); |
| 4214 | 920 |
| 6680 | 921 octave_atexit_functions.pop_front (); |
| 2077 | 922 |
| 5237 | 923 reset_error_handler (); |
| 924 | |
| 4233 | 925 feval (fcn, octave_value_list (), 0); |
| 3215 | 926 |
| 927 flush_octave_stdout (); | |
| 2077 | 928 } |
| 3216 | 929 |
| 930 if (! deja_vu) | |
| 931 { | |
| 932 deja_vu = true; | |
| 933 | |
| 6068 | 934 // Do this explicitly so that destructors for mex file objects |
| 935 // are called, so that functions registered with mexAtExit are | |
| 936 // called. | |
| 6072 | 937 clear_mex_functions (); |
| 6068 | 938 |
| 3216 | 939 command_editor::restore_terminal_state (); |
| 940 | |
| 5775 | 941 // FIXME -- is this needed? Can it cause any trouble? |
| 3216 | 942 raw_mode (0); |
| 943 | |
| 5305 | 944 octave_history_write_timestamp (); |
| 945 | |
| 3216 | 946 command_history::clean_up_and_save (); |
| 947 | |
| 948 close_files (); | |
| 949 | |
| 950 cleanup_tmp_files (); | |
| 951 | |
| 952 flush_octave_stdout (); | |
| 953 | |
| 5305 | 954 if (! quitting_gracefully && (interactive || forced_interactive)) |
| 5629 | 955 { |
| 956 octave_stdout << "\n"; | |
| 957 | |
| 958 // Yes, we want this to be separate from the call to | |
| 959 // flush_octave_stdout above. | |
| 960 | |
| 961 flush_octave_stdout (); | |
| 962 } | |
| 3216 | 963 } |
| 2077 | 964 } |
| 965 | |
| 7409 | 966 void |
| 967 octave_add_atexit_function (const std::string& fname) | |
| 968 { | |
| 969 octave_atexit_functions.push_front (fname); | |
| 970 } | |
| 971 | |
| 972 bool | |
| 973 octave_remove_atexit_function (const std::string& fname) | |
| 974 { | |
| 975 bool found = false; | |
| 976 | |
| 977 for (std::list<std::string>::iterator p = octave_atexit_functions.begin (); | |
| 978 p != octave_atexit_functions.end (); p++) | |
| 979 { | |
| 980 if (*p == fname) | |
| 981 { | |
| 982 octave_atexit_functions.erase (p); | |
| 983 found = true; | |
| 984 break; | |
| 985 } | |
| 986 } | |
| 987 | |
| 988 return found; | |
| 989 } | |
| 990 | |
| 991 | |
| 6680 | 992 DEFUN (atexit, args, nargout, |
| 3332 | 993 "-*- texinfo -*-\n\ |
| 994 @deftypefn {Built-in Function} {} atexit (@var{fcn})\n\ | |
| 995 Register a function to be called when Octave exits. For example,\n\ | |
| 2077 | 996 \n\ |
| 3332 | 997 @example\n\ |
| 998 @group\n\ | |
| 6620 | 999 function bye_bye ()\n\ |
| 1000 disp (\"Bye bye\");\n\ | |
| 3332 | 1001 endfunction\n\ |
| 6620 | 1002 atexit (\"bye_bye\");\n\ |
| 3332 | 1003 @end group\n\ |
| 1004 @end example\n\ | |
| 1005 \n\ | |
| 1006 @noindent\n\ | |
| 6620 | 1007 will print the message \"Bye bye\" when Octave exits.\n\ |
| 6680 | 1008 \n\ |
| 1009 @deftypefnx {Built-in Function} {} atexit (@var{fcn}, @var{flag})\n\ | |
| 1010 Register or unregister a function to be called when Octave exits,\n\ | |
| 1011 depending on @var{flag}. If @var{flag} is true, the function is\n\ | |
| 1012 registered, if @var{flag} is false, it is unregistered. For example,\n\ | |
| 1013 after registering the function @code{bye_bye} as above,\n\ | |
| 1014 \n\ | |
| 1015 @example\n\ | |
| 1016 atexit (\"bye_bye\", false);\n\ | |
| 1017 @end example\n\ | |
| 1018 \n\ | |
| 1019 @noindent\n\ | |
| 1020 will remove the function from the list and Octave will not call\n\ | |
| 1021 the function @code{bye_by} when it exits.\n\ | |
| 1022 \n\ | |
| 7001 | 1023 Note that @code{atexit} only removes the first occurrence of a function\n\ |
| 6680 | 1024 from the list, so if a function was placed in the list multiple\n\ |
| 1025 times with @code{atexit}, it must also be removed from the list\n\ | |
| 1026 multiple times.\n\ | |
| 3333 | 1027 @end deftypefn") |
| 2077 | 1028 { |
| 2086 | 1029 octave_value_list retval; |
| 2077 | 1030 |
| 1031 int nargin = args.length (); | |
| 1032 | |
| 6680 | 1033 if (nargin == 1 || nargin == 2) |
| 2077 | 1034 { |
| 3523 | 1035 std::string arg = args(0).string_value (); |
| 2077 | 1036 |
| 1037 if (! error_state) | |
| 6680 | 1038 { |
| 1039 bool add_mode = true; | |
| 1040 | |
| 1041 if (nargin == 2) | |
| 1042 { | |
| 1043 add_mode = args(1).bool_value (); | |
| 1044 | |
| 1045 if (error_state) | |
| 1046 error ("atexit: second argument must be a logical value"); | |
| 1047 } | |
| 1048 | |
| 1049 if (! error_state) | |
| 1050 { | |
| 1051 if (add_mode) | |
| 7409 | 1052 octave_add_atexit_function (arg); |
| 6680 | 1053 else |
| 1054 { | |
| 7409 | 1055 bool found = octave_remove_atexit_function (arg); |
| 6680 | 1056 |
| 1057 if (nargout > 0) | |
| 1058 retval(0) = found; | |
| 1059 } | |
| 1060 } | |
| 1061 } | |
| 2077 | 1062 else |
| 6680 | 1063 error ("atexit: argument must be a string"); |
| 2077 | 1064 } |
| 1065 else | |
| 5823 | 1066 print_usage (); |
| 2077 | 1067 |
| 1068 return retval; | |
| 1069 } | |
| 1070 | |
| 2689 | 1071 DEFUN (octave_config_info, args, , |
| 3301 | 1072 "-*- texinfo -*-\n\ |
| 1073 @deftypefn {Built-in Function} {} octave_config_info (@var{option})\n\ | |
| 1074 Return a structure containing configuration and installation\n\ | |
| 1075 information for Octave.\n\ | |
| 2689 | 1076 \n\ |
| 3301 | 1077 if @var{option} is a string, return the configuration information for the\n\ |
| 2689 | 1078 specified option.\n\ |
| 1079 \n\ | |
| 3301 | 1080 @end deftypefn") |
| 2162 | 1081 { |
| 2689 | 1082 octave_value retval; |
| 1083 | |
| 4128 | 1084 #if defined (ENABLE_DYNAMIC_LINKING) |
| 2689 | 1085 bool octave_supports_dynamic_linking = true; |
| 1086 #else | |
| 1087 bool octave_supports_dynamic_linking = false; | |
| 1088 #endif | |
| 1089 | |
| 4357 | 1090 static bool initialized = false; |
| 1091 static Octave_map m; | |
| 2162 | 1092 |
| 6274 | 1093 struct conf_info_struct |
| 1094 { | |
| 1095 bool subst_home; | |
| 1096 const char *key; | |
| 1097 const char *val; | |
| 1098 }; | |
| 1099 | |
| 1100 static const conf_info_struct conf_info[] = | |
| 4357 | 1101 { |
| 6274 | 1102 { false, "ALL_CFLAGS", OCTAVE_CONF_ALL_CFLAGS }, |
| 1103 { false, "ALL_CXXFLAGS", OCTAVE_CONF_ALL_CXXFLAGS }, | |
| 1104 { false, "ALL_FFLAGS", OCTAVE_CONF_ALL_FFLAGS }, | |
| 1105 { false, "ALL_LDFLAGS", OCTAVE_CONF_ALL_LDFLAGS }, | |
| 1106 { false, "AR", OCTAVE_CONF_AR }, | |
| 1107 { false, "ARFLAGS", OCTAVE_CONF_ARFLAGS }, | |
| 1108 { false, "BLAS_LIBS", OCTAVE_CONF_BLAS_LIBS }, | |
| 1109 { false, "CC", OCTAVE_CONF_CC }, | |
| 1110 { false, "CC_VERSION", OCTAVE_CONF_CC_VERSION }, | |
| 1111 { false, "CFLAGS", OCTAVE_CONF_CFLAGS }, | |
| 1112 { false, "CPICFLAG", OCTAVE_CONF_CPICFLAG }, | |
| 1113 { false, "CPPFLAGS", OCTAVE_CONF_CPPFLAGS }, | |
| 1114 { false, "CURL_LIBS", OCTAVE_CONF_CURL_LIBS }, | |
| 1115 { false, "CXX", OCTAVE_CONF_CXX }, | |
| 1116 { false, "CXXCPP", OCTAVE_CONF_CXXCPP }, | |
| 1117 { false, "CXXFLAGS", OCTAVE_CONF_CXXFLAGS }, | |
| 1118 { false, "CXXPICFLAG", OCTAVE_CONF_CXXPICFLAG }, | |
| 1119 { false, "CXX_VERSION", OCTAVE_CONF_CXX_VERSION }, | |
| 1120 { false, "DEFAULT_PAGER", OCTAVE_DEFAULT_PAGER }, | |
| 1121 { false, "DEFS", OCTAVE_CONF_DEFS }, | |
| 1122 { false, "DL_LD", OCTAVE_CONF_DL_LD }, | |
| 1123 { false, "DL_LDFLAGS", OCTAVE_CONF_DL_LDFLAGS }, | |
| 1124 { false, "ENABLE_DYNAMIC_LINKING", OCTAVE_CONF_ENABLE_DYNAMIC_LINKING }, | |
| 1125 { false, "EXEEXT", OCTAVE_CONF_EXEEXT }, | |
| 1126 { false, "F2C", OCTAVE_CONF_F2C }, | |
| 1127 { false, "F2CFLAGS", OCTAVE_CONF_F2CFLAGS }, | |
| 1128 { false, "F77", OCTAVE_CONF_F77 }, | |
| 1129 { false, "F77_FLOAT_STORE_FLAG", OCTAVE_CONF_F77_FLOAT_STORE_FLAG }, | |
| 1130 { false, "FC", OCTAVE_CONF_FC }, | |
| 1131 { false, "FFLAGS", OCTAVE_CONF_FFLAGS }, | |
| 1132 { false, "FFTW_LIBS", OCTAVE_CONF_FFTW_LIBS }, | |
| 1133 { false, "FLIBS", OCTAVE_CONF_FLIBS }, | |
| 1134 { false, "FPICFLAG", OCTAVE_CONF_FPICFLAG }, | |
| 1135 { false, "GLPK_LIBS", OCTAVE_CONF_GLPK_LIBS }, | |
| 7361 | 1136 { false, "GNUPLOT", OCTAVE_CONF_GNUPLOT }, |
| 6274 | 1137 { false, "INCFLAGS", OCTAVE_CONF_INCFLAGS }, |
| 1138 { false, "LDFLAGS", OCTAVE_CONF_LDFLAGS }, | |
| 1139 { false, "LD_CXX", OCTAVE_CONF_LD_CXX }, | |
| 1140 { false, "LD_STATIC_FLAG", OCTAVE_CONF_LD_STATIC_FLAG }, | |
| 1141 { false, "LEX", OCTAVE_CONF_LEX }, | |
| 1142 { false, "LEXLIB", OCTAVE_CONF_LEXLIB }, | |
| 1143 { false, "LFLAGS", OCTAVE_CONF_LFLAGS }, | |
| 1144 { false, "LIBCRUFT", OCTAVE_CONF_LIBCRUFT }, | |
| 1145 { false, "LIBEXT", OCTAVE_CONF_LIBEXT }, | |
| 1146 { false, "LIBFLAGS", OCTAVE_CONF_LIBFLAGS }, | |
| 1147 { false, "LIBOCTAVE", OCTAVE_CONF_LIBOCTAVE }, | |
| 1148 { false, "LIBOCTINTERP", OCTAVE_CONF_LIBOCTINTERP }, | |
| 1149 { false, "LIBREADLINE", OCTAVE_CONF_LIBREADLINE }, | |
| 1150 { false, "LIBS", OCTAVE_CONF_LIBS }, | |
| 1151 { false, "LN_S", OCTAVE_CONF_LN_S }, | |
|
7926
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7923
diff
changeset
|
1152 { false, "MAGICK_INCFLAGS", OCTAVE_CONF_MAGICK_INCFLAGS }, |
|
d74f996e005d
__magick_read__.cc: configuration and style fixes
John W. Eaton <jwe@octave.org>
parents:
7923
diff
changeset
|
1153 { false, "MAGICK_LIBS", OCTAVE_CONF_MAGICK_LIBS }, |
| 6274 | 1154 { false, "MKOCTFILE_DL_LDFLAGS", OCTAVE_CONF_MKOCTFILE_DL_LDFLAGS }, |
| 1155 { false, "RANLIB", OCTAVE_CONF_RANLIB }, | |
| 1156 { false, "RDYNAMIC_FLAG", OCTAVE_CONF_RDYNAMIC_FLAG }, | |
| 1157 { false, "RLD_FLAG", OCTAVE_CONF_RLD_FLAG }, | |
| 1158 { false, "SED", OCTAVE_CONF_SED }, | |
| 1159 { false, "SHARED_LIBS", OCTAVE_CONF_SHARED_LIBS }, | |
| 1160 { false, "SHLEXT", OCTAVE_CONF_SHLEXT }, | |
| 1161 { false, "SHLEXT_VER", OCTAVE_CONF_SHLEXT_VER }, | |
| 1162 { false, "SH_LD", OCTAVE_CONF_SH_LD }, | |
| 1163 { false, "SH_LDFLAGS", OCTAVE_CONF_SH_LDFLAGS }, | |
| 1164 { false, "SONAME_FLAGS", OCTAVE_CONF_SONAME_FLAGS }, | |
| 1165 { false, "STATIC_LIBS", OCTAVE_CONF_STATIC_LIBS }, | |
| 1166 { false, "UGLY_DEFS", OCTAVE_CONF_UGLY_DEFS }, | |
| 1167 { false, "USE_64_BIT_IDX_T", OCTAVE_CONF_USE_64_BIT_IDX_T }, | |
| 1168 { false, "XTRA_CFLAGS", OCTAVE_CONF_XTRA_CFLAGS }, | |
| 1169 { false, "XTRA_CXXFLAGS", OCTAVE_CONF_XTRA_CXXFLAGS }, | |
| 1170 { false, "YACC", OCTAVE_CONF_YACC }, | |
| 1171 { false, "YFLAGS", OCTAVE_CONF_YFLAGS }, | |
| 1172 { false, "api_version", OCTAVE_API_VERSION }, | |
| 1173 { true, "archlibdir", OCTAVE_ARCHLIBDIR }, | |
| 1174 { true, "bindir", OCTAVE_BINDIR }, | |
| 1175 { false, "canonical_host_type", OCTAVE_CANONICAL_HOST_TYPE }, | |
| 1176 { false, "config_opts", OCTAVE_CONF_config_opts }, | |
| 1177 { true, "datadir", OCTAVE_DATADIR }, | |
| 1178 { true, "datarootdir", OCTAVE_DATAROOTDIR }, | |
| 6276 | 1179 { true, "exec_prefix", OCTAVE_EXEC_PREFIX }, |
| 6274 | 1180 { true, "fcnfiledir", OCTAVE_FCNFILEDIR }, |
| 1181 { true, "imagedir", OCTAVE_IMAGEDIR }, | |
| 1182 { true, "includedir", OCTAVE_INCLUDEDIR }, | |
| 1183 { true, "infodir", OCTAVE_INFODIR }, | |
| 6276 | 1184 { true, "infofile", OCTAVE_INFOFILE }, |
| 6274 | 1185 { true, "libdir", OCTAVE_LIBDIR }, |
| 1186 { true, "libexecdir", OCTAVE_LIBEXECDIR }, | |
| 6311 | 1187 { true, "localapiarchlibdir", OCTAVE_LOCALAPIARCHLIBDIR }, |
| 6274 | 1188 { true, "localapifcnfiledir", OCTAVE_LOCALAPIFCNFILEDIR }, |
| 1189 { true, "localapioctfiledir", OCTAVE_LOCALAPIOCTFILEDIR }, | |
| 1190 { true, "localarchlibdir", OCTAVE_LOCALARCHLIBDIR }, | |
| 1191 { true, "localfcnfiledir", OCTAVE_LOCALFCNFILEDIR }, | |
| 1192 { true, "localoctfiledir", OCTAVE_LOCALOCTFILEDIR }, | |
| 1193 { true, "localstartupfiledir", OCTAVE_LOCALSTARTUPFILEDIR }, | |
| 1194 { true, "localverarchlibdir", OCTAVE_LOCALVERARCHLIBDIR }, | |
| 1195 { true, "localverfcnfiledir", OCTAVE_LOCALVERFCNFILEDIR }, | |
| 1196 { true, "localveroctfiledir", OCTAVE_LOCALVEROCTFILEDIR }, | |
| 1197 { true, "man1dir", OCTAVE_MAN1DIR }, | |
| 1198 { false, "man1ext", OCTAVE_MAN1EXT }, | |
| 1199 { true, "mandir", OCTAVE_MANDIR }, | |
| 1200 { true, "octfiledir", OCTAVE_OCTFILEDIR }, | |
| 1201 { true, "octincludedir", OCTAVE_OCTINCLUDEDIR }, | |
| 1202 { true, "octlibdir", OCTAVE_OCTLIBDIR }, | |
| 6276 | 1203 { true, "prefix", OCTAVE_PREFIX }, |
| 6274 | 1204 { true, "startupfiledir", OCTAVE_STARTUPFILEDIR }, |
| 1205 { false, "version", OCTAVE_VERSION }, | |
| 1206 { false, 0, 0 } | |
| 4357 | 1207 }; |
| 1208 | |
| 1209 if (! initialized) | |
| 1210 { | |
| 4675 | 1211 m.assign ("dld", octave_value (octave_supports_dynamic_linking)); |
| 4357 | 1212 |
| 4697 | 1213 oct_mach_info::float_format ff = oct_mach_info::native_float_format (); |
| 1214 m.assign ("float_format", | |
| 1215 octave_value (oct_mach_info::float_format_as_string (ff))); | |
| 1216 | |
| 1217 m.assign ("words_big_endian", | |
| 1218 octave_value (oct_mach_info::words_big_endian ())); | |
| 1219 | |
| 1220 m.assign ("words_little_endian", | |
| 1221 octave_value (oct_mach_info::words_little_endian ())); | |
| 1222 | |
| 4357 | 1223 int i = 0; |
| 4440 | 1224 |
| 1225 while (true) | |
| 4357 | 1226 { |
| 6274 | 1227 const conf_info_struct& elt = conf_info[i++]; |
| 1228 | |
| 1229 const char *key = elt.key; | |
| 4357 | 1230 |
| 1231 if (key) | |
| 6274 | 1232 { |
| 1233 if (elt.subst_home) | |
| 1234 m.assign (key, octave_value (subst_octave_home (elt.val))); | |
| 1235 else | |
| 1236 m.assign (key, octave_value (elt.val)); | |
| 1237 } | |
| 4357 | 1238 else |
| 1239 break; | |
| 1240 } | |
| 1241 | |
| 4691 | 1242 bool unix_system = true; |
| 7013 | 1243 bool mac_system = false; |
| 4691 | 1244 bool windows_system = false; |
| 1245 | |
| 1246 #if defined (WIN32) | |
| 1247 windows_system = true; | |
| 1248 #if !defined (__CYGWIN__) | |
| 1249 unix_system = false; | |
| 1250 #endif | |
| 1251 #endif | |
| 1252 | |
| 7010 | 1253 #if defined (__APPLE__) && defined (__MACH__) |
| 1254 mac_system = true; | |
| 1255 #endif | |
| 1256 | |
| 4691 | 1257 m.assign ("unix", octave_value (unix_system)); |
| 7010 | 1258 m.assign ("mac", octave_value (mac_system)); |
| 4691 | 1259 m.assign ("windows", octave_value (windows_system)); |
| 1260 | |
| 4357 | 1261 initialized = true; |
| 1262 } | |
| 2162 | 1263 |
| 2689 | 1264 int nargin = args.length (); |
| 1265 | |
| 1266 if (nargin == 1) | |
| 1267 { | |
| 3523 | 1268 std::string arg = args(0).string_value (); |
| 2689 | 1269 |
| 1270 if (! error_state) | |
| 4675 | 1271 { |
| 1272 Cell c = m.contents (arg.c_str ()); | |
| 5199 | 1273 |
| 1274 if (c.is_empty ()) | |
| 1275 error ("octave_config_info: no info for `%s'", arg.c_str ()); | |
| 1276 else | |
| 1277 retval = c(0); | |
| 4675 | 1278 } |
| 2689 | 1279 } |
| 1280 else if (nargin == 0) | |
| 4233 | 1281 retval = m; |
| 2689 | 1282 else |
| 5823 | 1283 print_usage (); |
| 2689 | 1284 |
| 1285 return retval; | |
| 2162 | 1286 } |
| 1287 | |
| 1683 | 1288 #if defined (__GNUG__) && defined (DEBUG_NEW_DELETE) |
| 2806 | 1289 |
| 1683 | 1290 int debug_new_delete = 0; |
| 1291 | |
| 1292 typedef void (*vfp)(void); | |
| 1293 extern vfp __new_handler; | |
| 1294 | |
| 1295 void * | |
| 1296 __builtin_new (size_t sz) | |
| 1297 { | |
| 1298 void *p; | |
| 1299 | |
| 1300 /* malloc (0) is unpredictable; avoid it. */ | |
| 1301 if (sz == 0) | |
| 1302 sz = 1; | |
| 2800 | 1303 p = malloc (sz); |
| 1683 | 1304 while (p == 0) |
| 1305 { | |
| 1306 (*__new_handler) (); | |
| 2800 | 1307 p = malloc (sz); |
| 1683 | 1308 } |
| 1309 | |
| 1310 if (debug_new_delete) | |
| 5629 | 1311 std::cerr << "__builtin_new: " << p << std::endl; |
| 1683 | 1312 |
| 1313 return p; | |
| 1314 } | |
| 1315 | |
| 1316 void | |
| 1317 __builtin_delete (void *ptr) | |
| 1318 { | |
| 1319 if (debug_new_delete) | |
| 5629 | 1320 std::cerr << "__builtin_delete: " << ptr << std::endl; |
| 1683 | 1321 |
| 1322 if (ptr) | |
| 1323 free (ptr); | |
| 1324 } | |
| 2806 | 1325 |
| 1683 | 1326 #endif |
| 1327 | |
| 1328 /* | |
| 1329 ;;; Local Variables: *** | |
| 1330 ;;; mode: C++ *** | |
| 1331 ;;; End: *** | |
| 1332 */ |