[1] | 1 | #include <stdio.h> |
---|
| 2 | #include <stdlib.h> |
---|
| 3 | #include <string.h> |
---|
| 4 | |
---|
| 5 | #include "cmt_use.h" |
---|
| 6 | #include "cmt_system.h" |
---|
| 7 | #include "cmt_symbol.h" |
---|
| 8 | #include "cmt_error.h" |
---|
| 9 | #include "cmt_database.h" |
---|
| 10 | |
---|
| 11 | /* |
---|
| 12 | * Design. |
---|
| 13 | * |
---|
| 14 | * There is one central database of all Use objects. This in the Database using: |
---|
| 15 | * Database::instance().all_uses (); |
---|
| 16 | * |
---|
| 17 | * There is also a list of selected Use pointers available from |
---|
| 18 | * Database::instance().uses (); |
---|
| 19 | * |
---|
| 20 | * A new Use object is created when a new use statement requires it: |
---|
| 21 | * o if the specified version is specified for the first time |
---|
| 22 | * o if the specified path is specified for the first time |
---|
| 23 | * |
---|
| 24 | */ |
---|
| 25 | |
---|
| 26 | class UseContext |
---|
| 27 | { |
---|
| 28 | public: |
---|
| 29 | |
---|
| 30 | static UseContext& current () |
---|
| 31 | { |
---|
| 32 | static UseContext me; |
---|
| 33 | |
---|
| 34 | return (me); |
---|
| 35 | } |
---|
| 36 | |
---|
| 37 | UseContext () |
---|
| 38 | { |
---|
| 39 | m_auto_imports = On; |
---|
| 40 | m_scope = ScopePublic; |
---|
| 41 | } |
---|
| 42 | |
---|
| 43 | UseContext (const UseContext& other) |
---|
| 44 | { |
---|
| 45 | m_auto_imports = other.m_auto_imports; |
---|
| 46 | m_scope = other.m_scope; |
---|
| 47 | } |
---|
| 48 | |
---|
| 49 | UseContext& operator = (const UseContext& other) |
---|
| 50 | { |
---|
| 51 | m_auto_imports = other.m_auto_imports; |
---|
| 52 | m_scope = other.m_scope; |
---|
| 53 | |
---|
| 54 | return (*this); |
---|
| 55 | } |
---|
| 56 | |
---|
| 57 | static void set_current (State auto_imports) |
---|
| 58 | { |
---|
| 59 | UseContext& c = current (); |
---|
| 60 | |
---|
| 61 | c.m_auto_imports = auto_imports; |
---|
| 62 | } |
---|
| 63 | |
---|
| 64 | static void set_current (ScopeType scope) |
---|
| 65 | { |
---|
| 66 | UseContext& c = current (); |
---|
| 67 | |
---|
| 68 | c.m_scope = scope; |
---|
| 69 | } |
---|
| 70 | |
---|
| 71 | static State get_current_auto_imports () |
---|
| 72 | { |
---|
| 73 | UseContext& c = current (); |
---|
| 74 | |
---|
| 75 | return (c.m_auto_imports); |
---|
| 76 | } |
---|
| 77 | |
---|
| 78 | static ScopeType get_current_scope () |
---|
| 79 | { |
---|
| 80 | UseContext& c = current (); |
---|
| 81 | |
---|
| 82 | return (c.m_scope); |
---|
| 83 | } |
---|
| 84 | |
---|
| 85 | private: |
---|
| 86 | State m_auto_imports; |
---|
| 87 | ScopeType m_scope; |
---|
| 88 | }; |
---|
| 89 | |
---|
| 90 | /** |
---|
| 91 | * Version selectors provide the mechanism for comparing two |
---|
| 92 | * Use objects and decide which one has to be kept WRT their version |
---|
| 93 | * id . |
---|
| 94 | * Each strategy is implemented as a separate class (which overrides |
---|
| 95 | * the operate method) |
---|
| 96 | */ |
---|
| 97 | class VersionSelector |
---|
| 98 | { |
---|
| 99 | public: |
---|
| 100 | static VersionSelector& instance (); |
---|
| 101 | |
---|
| 102 | virtual Use* operate (Use* ref_use, Use* new_use) |
---|
| 103 | { |
---|
| 104 | return (ref_use); |
---|
| 105 | } |
---|
| 106 | }; |
---|
| 107 | |
---|
| 108 | class BestFitSelector : public VersionSelector |
---|
| 109 | { |
---|
| 110 | public: |
---|
| 111 | Use* operate (Use* ref_use, Use* new_use); |
---|
| 112 | }; |
---|
| 113 | |
---|
| 114 | class BestFitNoCheckSelector : public VersionSelector |
---|
| 115 | { |
---|
| 116 | public: |
---|
| 117 | Use* operate (Use* ref_use, Use* new_use); |
---|
| 118 | }; |
---|
| 119 | |
---|
| 120 | class FirstChoiceSelector : public VersionSelector |
---|
| 121 | { |
---|
| 122 | public: |
---|
| 123 | Use* operate (Use* ref_use, Use* new_use); |
---|
| 124 | }; |
---|
| 125 | |
---|
| 126 | class LastChoiceSelector : public VersionSelector |
---|
| 127 | { |
---|
| 128 | public: |
---|
| 129 | Use* operate (Use* ref_use, Use* new_use); |
---|
| 130 | }; |
---|
| 131 | |
---|
| 132 | class KeepAllSelector : public VersionSelector |
---|
| 133 | { |
---|
| 134 | public: |
---|
| 135 | Use* operate (Use* ref_use, Use* new_use); |
---|
| 136 | }; |
---|
| 137 | //---------------------------------------------------------- |
---|
| 138 | |
---|
| 139 | //---------------------------------------------------------- |
---|
| 140 | // |
---|
| 141 | // Operations on Use |
---|
| 142 | // |
---|
| 143 | //---------------------------------------------------------- |
---|
| 144 | |
---|
| 145 | /** |
---|
| 146 | * Mark all clients of the current package. |
---|
| 147 | */ |
---|
| 148 | void Use::select_clients (const cmt_string& package, |
---|
| 149 | const cmt_string& version) |
---|
| 150 | { |
---|
| 151 | static UsePtrVector& Uses = uses (); |
---|
| 152 | |
---|
| 153 | int number; |
---|
| 154 | Use* use = 0; |
---|
| 155 | |
---|
| 156 | unselect_all (); |
---|
| 157 | undiscard_all (); |
---|
| 158 | |
---|
| 159 | for (number = Uses.size () - 1; number >= 0; number--) |
---|
| 160 | { |
---|
| 161 | use = Uses[number]; |
---|
| 162 | if (use == 0) continue; |
---|
| 163 | if (use->is_selected ()) continue; |
---|
| 164 | use->select (); |
---|
| 165 | if (!use->is_client (package, version)) use->discard (); |
---|
| 166 | } |
---|
| 167 | } |
---|
| 168 | |
---|
| 169 | //---------------------------------------------------------- |
---|
| 170 | void Use::show_all (bool skip_discarded) |
---|
| 171 | { |
---|
| 172 | show_all ("use ", skip_discarded); |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | //---------------------------------------------------------- |
---|
| 176 | void Use::show_all (const cmt_string& prefix, bool skip_discarded) |
---|
| 177 | { |
---|
| 178 | static UsePtrVector& Uses = uses (); |
---|
| 179 | |
---|
| 180 | Use* use; |
---|
| 181 | int number; |
---|
| 182 | |
---|
| 183 | unselect_all (); |
---|
| 184 | |
---|
| 185 | use = &(current ()); |
---|
| 186 | use->unselect (); |
---|
| 187 | if (!Cmt::get_quiet ()) use->show_sub_uses (skip_discarded); |
---|
| 188 | |
---|
| 189 | if (Uses.size () > 0) |
---|
| 190 | { |
---|
| 191 | if (!Cmt::get_quiet ()) |
---|
| 192 | { |
---|
| 193 | cout << "#\n"; |
---|
| 194 | cout << "# Selection :\n"; |
---|
| 195 | } |
---|
| 196 | |
---|
| 197 | // |
---|
| 198 | // First move the CMT package to the end of the use set. |
---|
| 199 | // (ie. used by everybody) |
---|
| 200 | // |
---|
| 201 | use = Use::find ("CMT"); |
---|
| 202 | Use::move (use); |
---|
| 203 | |
---|
| 204 | for (number = Uses.size () - 1; number >= 0; number--) |
---|
| 205 | { |
---|
| 206 | use = Uses[number]; |
---|
| 207 | |
---|
| 208 | if (use->discarded) continue; |
---|
| 209 | |
---|
| 210 | if (!use->located ()) |
---|
| 211 | { |
---|
| 212 | if (!Cmt::get_quiet ()) |
---|
| 213 | { |
---|
| 214 | cout << "# package " << use->package << |
---|
| 215 | " " << use->version << " " << use->path << |
---|
| 216 | " not found" << |
---|
| 217 | endl; |
---|
| 218 | } |
---|
| 219 | CmtError::set (CmtError::package_not_found, use->package); |
---|
| 220 | } |
---|
| 221 | else |
---|
| 222 | { |
---|
| 223 | static const cmt_string empty; |
---|
| 224 | cmt_string p = use->real_path; |
---|
| 225 | if (use->path != "") |
---|
| 226 | { |
---|
| 227 | p.replace (use->path, empty); |
---|
| 228 | } |
---|
| 229 | |
---|
| 230 | cout << prefix << use->package << |
---|
| 231 | " " << use->version << |
---|
| 232 | " " << use->path; |
---|
| 233 | |
---|
| 234 | if (!Cmt::get_quiet ()) |
---|
| 235 | { |
---|
| 236 | if (p != "") cout << " (" << p << ")"; |
---|
| 237 | if (use->auto_imports == Off) cout << " (no_auto_imports)"; |
---|
| 238 | } |
---|
| 239 | |
---|
| 240 | cout << endl; |
---|
| 241 | } |
---|
| 242 | } |
---|
| 243 | |
---|
| 244 | if (Cmt::get_cmt_home () != "") |
---|
| 245 | { |
---|
| 246 | cout << prefix << CmtSystem::get_home_package () << |
---|
| 247 | " " << Cmt::get_cmt_home () << |
---|
| 248 | endl; |
---|
| 249 | } |
---|
| 250 | |
---|
| 251 | if (Cmt::get_cmt_user_context () != "") |
---|
| 252 | { |
---|
| 253 | cout << prefix << CmtSystem::get_user_context_package () << |
---|
| 254 | " " << Cmt::get_cmt_user_context () << |
---|
| 255 | endl; |
---|
| 256 | } |
---|
| 257 | } |
---|
| 258 | } |
---|
| 259 | |
---|
| 260 | /** |
---|
| 261 | * This private class parses the use statement after macro expansion |
---|
| 262 | * This is a finite state machine. |
---|
| 263 | * It maintains the results of the parsing in terms of a package name, |
---|
| 264 | * a version, a path, and state variables (no_auto_imports) |
---|
| 265 | */ |
---|
| 266 | class use_action_iterator |
---|
| 267 | { |
---|
| 268 | public: |
---|
| 269 | |
---|
| 270 | use_action_iterator () |
---|
| 271 | { |
---|
| 272 | state = need_package; |
---|
| 273 | auto_imports = Unspecified; |
---|
| 274 | } |
---|
| 275 | |
---|
| 276 | void set (const cmt_string& w) |
---|
| 277 | { |
---|
| 278 | if (w == "-auto_imports") |
---|
| 279 | { |
---|
| 280 | auto_imports = On; |
---|
| 281 | } |
---|
| 282 | else if (w == "-no_auto_imports") |
---|
| 283 | { |
---|
| 284 | auto_imports = Off; |
---|
| 285 | } |
---|
| 286 | else if (w == "|") |
---|
| 287 | { |
---|
| 288 | state = need_version_alias; |
---|
| 289 | } |
---|
| 290 | else |
---|
| 291 | { |
---|
| 292 | switch (state) |
---|
| 293 | { |
---|
| 294 | case need_package: |
---|
| 295 | package = w; |
---|
| 296 | state = need_version; |
---|
| 297 | break; |
---|
| 298 | case need_version: |
---|
| 299 | version = w; |
---|
| 300 | state = need_path; |
---|
| 301 | break; |
---|
| 302 | case need_path: |
---|
| 303 | path = w; |
---|
| 304 | state = finished; |
---|
| 305 | break; |
---|
| 306 | case need_version_alias: |
---|
| 307 | version_alias = w; |
---|
| 308 | state = need_path_alias; |
---|
| 309 | break; |
---|
| 310 | case need_path_alias: |
---|
| 311 | path_alias = w; |
---|
| 312 | state = finished; |
---|
| 313 | break; |
---|
| 314 | } |
---|
| 315 | } |
---|
| 316 | } |
---|
| 317 | |
---|
| 318 | bool ok () |
---|
| 319 | { |
---|
| 320 | if (package == "") return (false); |
---|
| 321 | if (CmtSystem::is_home_package (package, version)) return (false); |
---|
| 322 | if (CmtSystem::is_user_context_package (package, version)) return (false); |
---|
| 323 | |
---|
| 324 | return (true); |
---|
| 325 | } |
---|
| 326 | |
---|
| 327 | /** |
---|
| 328 | * |
---|
| 329 | * Build or retreive the Use object corresponding to the parsed specification. |
---|
| 330 | * |
---|
| 331 | */ |
---|
| 332 | Use* get_use (Use* parent) |
---|
| 333 | { |
---|
| 334 | static Use::UsePtrVector& Uses = Use::uses (); |
---|
| 335 | |
---|
| 336 | if (version == "") version = "*"; |
---|
| 337 | |
---|
| 338 | if (Cmt::get_debug ()) |
---|
| 339 | { |
---|
| 340 | int i; |
---|
| 341 | |
---|
| 342 | cout << "use::action1> current=" << parent->package << |
---|
| 343 | " package=" << package << " "; |
---|
| 344 | |
---|
| 345 | for (i = 0; i < Uses.size (); i++) |
---|
| 346 | { |
---|
| 347 | Use* u = Uses[i]; |
---|
| 348 | cout << u->package << " "; |
---|
| 349 | } |
---|
| 350 | cout << endl; |
---|
| 351 | } |
---|
| 352 | |
---|
| 353 | const Use& cu = Use::current (); |
---|
| 354 | |
---|
| 355 | /** |
---|
| 356 | * Do not continue the operations for private uses |
---|
| 357 | * accessed from an external context. |
---|
| 358 | * |
---|
| 359 | * Exceptions should be considered for |
---|
| 360 | * - cmt broadcast |
---|
| 361 | * - cmt show uses |
---|
| 362 | */ |
---|
| 363 | |
---|
| 364 | ActionType action = Cmt::get_action (); |
---|
| 365 | |
---|
| 366 | if (Cmt::get_debug ()) |
---|
| 367 | { |
---|
| 368 | cout << "before adding " << package <<"> auto_imports=" << auto_imports |
---|
| 369 | << " (current AI was " << UseContext::get_current_auto_imports () << ")" |
---|
| 370 | << " (current scope was " << UseContext::get_current_scope () << ")" |
---|
| 371 | << " (Cmt::scope=" << Cmt::get_scope () << ")" |
---|
| 372 | << " (parent=" << parent->package << ")" |
---|
| 373 | << endl; |
---|
| 374 | } |
---|
| 375 | |
---|
| 376 | bool hidden_by_scope = false; |
---|
| 377 | |
---|
| 378 | if ((Cmt::get_scope () == ScopePrivate) || (UseContext::get_current_scope () == ScopePrivate)) |
---|
| 379 | { |
---|
| 380 | hidden_by_scope = true; |
---|
| 381 | |
---|
| 382 | // Do not hide immediate children of the current package. |
---|
| 383 | if ((parent == 0) || (parent->package == cu.package)) hidden_by_scope = false; |
---|
| 384 | |
---|
| 385 | // Do not hide in broadcast and show uses actions. |
---|
| 386 | if ((action == action_broadcast) || |
---|
| 387 | (action == action_show_uses)) hidden_by_scope = false; |
---|
| 388 | } |
---|
| 389 | |
---|
| 390 | if (hidden_by_scope) |
---|
| 391 | { |
---|
| 392 | return (0); |
---|
| 393 | } |
---|
| 394 | |
---|
| 395 | // Here the version may contain wild cards |
---|
| 396 | |
---|
| 397 | UseContext save = UseContext::current (); |
---|
| 398 | |
---|
| 399 | /** |
---|
| 400 | * "auto_imports" is the state which is specified on the use statement |
---|
| 401 | * currently being parsed. |
---|
| 402 | */ |
---|
| 403 | switch (auto_imports) |
---|
| 404 | { |
---|
| 405 | case Unspecified: |
---|
| 406 | |
---|
| 407 | // unspecified => we forward the state saved in the current use context |
---|
| 408 | |
---|
| 409 | UseContext::set_current (UseContext::get_current_auto_imports ()); |
---|
| 410 | break; |
---|
| 411 | case Off: |
---|
| 412 | |
---|
| 413 | // off => the context becomes constrained to be off |
---|
| 414 | |
---|
| 415 | UseContext::set_current (Off); |
---|
| 416 | break; |
---|
| 417 | case On: |
---|
| 418 | |
---|
| 419 | // on => if current context is off it is kept off |
---|
| 420 | // otherwise it is forced to on |
---|
| 421 | |
---|
| 422 | if (UseContext::get_current_auto_imports () != Off) |
---|
| 423 | { |
---|
| 424 | UseContext::set_current (On); |
---|
| 425 | } |
---|
| 426 | break; |
---|
| 427 | } |
---|
| 428 | |
---|
| 429 | if (hidden_by_scope) |
---|
| 430 | { |
---|
| 431 | UseContext::set_current (Cmt::get_scope ()); |
---|
| 432 | } |
---|
| 433 | |
---|
| 434 | /// Now do create or retreive the Use object. |
---|
| 435 | Use* new_use = Use::add (path, package, version, |
---|
| 436 | version_alias, path_alias, parent, |
---|
| 437 | auto_imports); |
---|
| 438 | |
---|
| 439 | if (new_use != 0) |
---|
| 440 | { |
---|
| 441 | if (Cmt::get_debug ()) |
---|
| 442 | { |
---|
| 443 | cout << "after adding1 " << package << "> auto_imports=" << new_use->auto_imports << endl; |
---|
| 444 | } |
---|
| 445 | |
---|
| 446 | switch (new_use->auto_imports) |
---|
| 447 | { |
---|
| 448 | case Unspecified: |
---|
| 449 | new_use->auto_imports = UseContext::get_current_auto_imports (); |
---|
| 450 | break; |
---|
| 451 | case On: |
---|
| 452 | break; |
---|
| 453 | case Off: |
---|
| 454 | if (UseContext::get_current_auto_imports () == On) |
---|
| 455 | { |
---|
| 456 | /** |
---|
| 457 | * Warning : this Use had been previously specified as -no_auto_imports |
---|
| 458 | * Now this new specification tries to turn it to auto_imports. |
---|
| 459 | * It will be required to propagate the change, according to the |
---|
| 460 | * specifications: |
---|
| 461 | * |
---|
| 462 | * for all sub_uses: |
---|
| 463 | * if it is unspecified OR specified as auto_imports: |
---|
| 464 | * turn it to auto_imports |
---|
| 465 | * |
---|
| 466 | */ |
---|
| 467 | new_use->set_auto_imports (On); |
---|
| 468 | } |
---|
| 469 | break; |
---|
| 470 | } |
---|
| 471 | |
---|
| 472 | |
---|
| 473 | if (Cmt::get_debug ()) |
---|
| 474 | { |
---|
| 475 | cout << "after adding2 " << package << "> auto_imports=" << new_use->auto_imports << endl; |
---|
| 476 | } |
---|
| 477 | |
---|
| 478 | UseContext& c = UseContext::current (); |
---|
| 479 | c = save; |
---|
| 480 | |
---|
| 481 | Use::reorder (new_use, parent); |
---|
| 482 | |
---|
| 483 | if (Cmt::get_debug ()) |
---|
| 484 | { |
---|
| 485 | int i; |
---|
| 486 | |
---|
| 487 | cout << "use::action2> current=" << parent->package |
---|
| 488 | << " package=" << package << " "; |
---|
| 489 | |
---|
| 490 | for (i = 0; i < Uses.size (); i++) |
---|
| 491 | { |
---|
| 492 | Use* u = Uses[i]; |
---|
| 493 | cout << u->package << " "; |
---|
| 494 | } |
---|
| 495 | |
---|
| 496 | cout << endl; |
---|
| 497 | } |
---|
| 498 | } |
---|
| 499 | |
---|
| 500 | return (new_use); |
---|
| 501 | } |
---|
| 502 | |
---|
| 503 | private: |
---|
| 504 | |
---|
| 505 | enum |
---|
| 506 | { |
---|
| 507 | need_package, |
---|
| 508 | need_version, |
---|
| 509 | need_path, |
---|
| 510 | need_version_alias, |
---|
| 511 | need_path_alias, |
---|
| 512 | finished |
---|
| 513 | } state; |
---|
| 514 | |
---|
| 515 | State auto_imports; |
---|
| 516 | |
---|
| 517 | cmt_string package; |
---|
| 518 | cmt_string version; |
---|
| 519 | cmt_string path; |
---|
| 520 | cmt_string version_alias; |
---|
| 521 | cmt_string path_alias; |
---|
| 522 | }; |
---|
| 523 | |
---|
| 524 | //---------------------------------------------------------- |
---|
| 525 | Use* Use::action (const CmtSystem::cmt_string_vector& words, Use* parent) |
---|
| 526 | { |
---|
| 527 | Use* new_use; |
---|
| 528 | |
---|
| 529 | // |
---|
| 530 | // complete syntax : "use <package> <version> <path>" |
---|
| 531 | // minimal syntax : "use <package>" |
---|
| 532 | // |
---|
| 533 | // o if <version> is omitted then take any version available |
---|
| 534 | // o <version> can be specified using "v*" or "v<n>r*" or "v<n>r<m>p*" |
---|
| 535 | // |
---|
| 536 | // o the notation "v*" is preferred to omission (particularly since |
---|
| 537 | // omission does not permit <path>) |
---|
| 538 | // |
---|
| 539 | if (words.size () < 2) return (0); |
---|
| 540 | |
---|
| 541 | use_action_iterator it; |
---|
| 542 | |
---|
| 543 | for (int i = 1; i < words.size (); i++) |
---|
| 544 | { |
---|
| 545 | const cmt_string& w = words[i]; |
---|
| 546 | cmt_string ew = w; |
---|
| 547 | |
---|
| 548 | Symbol::expand (ew); |
---|
| 549 | if (ew != w) |
---|
| 550 | { |
---|
| 551 | CmtSystem::cmt_string_vector ws; |
---|
| 552 | |
---|
| 553 | CmtSystem::split (ew, " ", ws); |
---|
| 554 | |
---|
| 555 | for (int j = 0; j < ws.size (); ++j) |
---|
| 556 | { |
---|
| 557 | const cmt_string& ww = ws[j]; |
---|
| 558 | it.set (ww); |
---|
| 559 | } |
---|
| 560 | } |
---|
| 561 | else |
---|
| 562 | { |
---|
| 563 | it.set (ew); |
---|
| 564 | } |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | if (!it.ok ()) return (0); |
---|
| 568 | |
---|
| 569 | static int level = 0; |
---|
| 570 | |
---|
| 571 | level++; |
---|
| 572 | new_use = it.get_use (parent); |
---|
| 573 | level--; |
---|
| 574 | |
---|
| 575 | return (new_use); |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | //---------------------------------------------------------- |
---|
| 579 | void Use::author_action (const CmtSystem::cmt_string_vector& words) |
---|
| 580 | { |
---|
| 581 | if (author != "") author += "\n"; |
---|
| 582 | for (int i = 1; i < words.size (); i++) |
---|
| 583 | { |
---|
| 584 | const cmt_string& w = words[i]; |
---|
| 585 | |
---|
| 586 | if (i > 1) author += " "; |
---|
| 587 | author += w; |
---|
| 588 | } |
---|
| 589 | } |
---|
| 590 | |
---|
| 591 | //---------------------------------------------------------- |
---|
| 592 | void Use::manager_action (const CmtSystem::cmt_string_vector& words) |
---|
| 593 | { |
---|
| 594 | if (manager != "") manager += "\n"; |
---|
| 595 | for (int i = 1; i < words.size (); i++) |
---|
| 596 | { |
---|
| 597 | const cmt_string& w = words[i]; |
---|
| 598 | |
---|
| 599 | if (i > 1) manager += " "; |
---|
| 600 | manager += w; |
---|
| 601 | } |
---|
| 602 | } |
---|
| 603 | |
---|
| 604 | //---------------------------------------------------------- |
---|
| 605 | Use* Use::find (const cmt_string& package, |
---|
| 606 | const cmt_string& version, |
---|
| 607 | const cmt_string& path) |
---|
| 608 | { |
---|
| 609 | static UsePtrVector& Uses = uses (); |
---|
| 610 | static UseVector& AllUses = all_uses (); |
---|
| 611 | |
---|
| 612 | int use_index; |
---|
| 613 | |
---|
| 614 | if (AllUses.size () == 0) return (0); |
---|
| 615 | |
---|
| 616 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 617 | { |
---|
| 618 | Use& use = (*Uses[use_index]); |
---|
| 619 | |
---|
| 620 | if (use.package == package) |
---|
| 621 | { |
---|
| 622 | // If the version argument is omitted then |
---|
| 623 | // take the first registered version |
---|
| 624 | if (version == "") return (&use); |
---|
| 625 | |
---|
| 626 | // Otherwise compare against specified_version and path |
---|
| 627 | //if ((use.specified_version == version) && |
---|
| 628 | // (use.specified_path == path)) return (&use); |
---|
| 629 | |
---|
| 630 | // what about comparing wild cards? |
---|
| 631 | |
---|
| 632 | if (use.specified_version == version) return (&use); |
---|
| 633 | } |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | return (0); |
---|
| 637 | } |
---|
| 638 | |
---|
| 639 | //---------------------------------------------------------- |
---|
| 640 | int Use::find_index (const cmt_string& package, |
---|
| 641 | const cmt_string& version, |
---|
| 642 | const cmt_string& path) |
---|
| 643 | { |
---|
| 644 | static UsePtrVector& Uses = uses (); |
---|
| 645 | static UseVector& AllUses = all_uses (); |
---|
| 646 | |
---|
| 647 | int use_index; |
---|
| 648 | |
---|
| 649 | if (AllUses.size () == 0) return (-1); |
---|
| 650 | |
---|
| 651 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 652 | { |
---|
| 653 | Use& use = (*Uses[use_index]); |
---|
| 654 | |
---|
| 655 | if (use.package == package) |
---|
| 656 | { |
---|
| 657 | // If the version argument is omitted then |
---|
| 658 | // take the first registered version |
---|
| 659 | if (version == "") return (use_index); |
---|
| 660 | |
---|
| 661 | // Otherwise compare against specified_version and path |
---|
| 662 | //if ((use.specified_version == version) && |
---|
| 663 | // (use.specified_path == path)) return (&use); |
---|
| 664 | |
---|
| 665 | // what about comparing wild cards? |
---|
| 666 | |
---|
| 667 | if (use.specified_version == version) return (use_index); |
---|
| 668 | } |
---|
| 669 | } |
---|
| 670 | |
---|
| 671 | return (-1); |
---|
| 672 | } |
---|
| 673 | |
---|
| 674 | /** |
---|
| 675 | * 1) Given a Use object identified by its index in the uses() array, |
---|
| 676 | * 2) Given a vector of states containing the auto_imports states of all Uses, |
---|
| 677 | * |
---|
| 678 | * we want to switch to 'On' the auto_imports states of all |
---|
| 679 | * sub_uses of the argument that were Off. |
---|
| 680 | * |
---|
| 681 | */ |
---|
| 682 | void Use::set_auto_imports_state (int use_index, |
---|
| 683 | cmt_vector<bool>& auto_imports_states) |
---|
| 684 | { |
---|
| 685 | // check if this is already done (recursivity ending) |
---|
| 686 | if (auto_imports_states[use_index]) return; |
---|
| 687 | |
---|
| 688 | Use::UsePtrVector& Uses = Use::uses (); |
---|
| 689 | Use* use = Uses[use_index]; |
---|
| 690 | |
---|
| 691 | // Is this a mistake? we only have to deal with Use objects that were |
---|
| 692 | // actually turned Off |
---|
| 693 | if (use->auto_imports != Off) return; |
---|
| 694 | |
---|
| 695 | /** |
---|
| 696 | * Here, use points to a Use object which had been declared as |
---|
| 697 | * no_auto_imports. But we need to switch it On. Therefore, |
---|
| 698 | * |
---|
| 699 | * 1) the state in auto_imports_states has to be set On |
---|
| 700 | * 2) the operation has to be recursively propagated to all |
---|
| 701 | * sub_uses which also had no_auto_imports. (only to those) |
---|
| 702 | * |
---|
| 703 | */ |
---|
| 704 | |
---|
| 705 | auto_imports_states[use_index] = true; |
---|
| 706 | |
---|
| 707 | for (int i = 0; i < use->sub_uses.size (); i++) |
---|
| 708 | { |
---|
| 709 | Use* u = use->sub_uses[i]; |
---|
| 710 | |
---|
| 711 | if (u->sub_use_auto_imports[i] == Off) |
---|
| 712 | { |
---|
| 713 | int j; |
---|
| 714 | |
---|
| 715 | // first find the index of this use. |
---|
| 716 | |
---|
| 717 | for (j = 0; j < Uses.size(); j++) |
---|
| 718 | { |
---|
| 719 | if (u == Uses[j]) break; |
---|
| 720 | } |
---|
| 721 | |
---|
| 722 | set_auto_imports_state (j, auto_imports_states); |
---|
| 723 | } |
---|
| 724 | } |
---|
| 725 | } |
---|
| 726 | |
---|
| 727 | //---------------------------------------------------------- |
---|
| 728 | // |
---|
| 729 | // Move use to the end |
---|
| 730 | // |
---|
| 731 | //---------------------------------------------------------- |
---|
| 732 | void Use::move (Use* use1) |
---|
| 733 | { |
---|
| 734 | static UsePtrVector& Uses = uses (); |
---|
| 735 | |
---|
| 736 | int use_index; |
---|
| 737 | Use* use; |
---|
| 738 | int found = 0; |
---|
| 739 | |
---|
| 740 | if (Uses.size () == 0) return; |
---|
| 741 | if (use1 == 0) return; |
---|
| 742 | |
---|
| 743 | // |
---|
| 744 | // On se positionne sur le pointeur. |
---|
| 745 | // |
---|
| 746 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 747 | { |
---|
| 748 | use = Uses[use_index]; |
---|
| 749 | |
---|
| 750 | if (use == use1) |
---|
| 751 | { |
---|
| 752 | found = 1; |
---|
| 753 | break; |
---|
| 754 | } |
---|
| 755 | } |
---|
| 756 | |
---|
| 757 | if (!found) return; |
---|
| 758 | |
---|
| 759 | // |
---|
| 760 | // On deplace tous les pointeurs d'une case en arriere |
---|
| 761 | // |
---|
| 762 | for (use_index++; |
---|
| 763 | use_index < Uses.size (); |
---|
| 764 | use_index++) |
---|
| 765 | { |
---|
| 766 | Uses[use_index - 1] = Uses[use_index]; |
---|
| 767 | } |
---|
| 768 | |
---|
| 769 | // |
---|
| 770 | // use1 est donc replace en derniere position |
---|
| 771 | // |
---|
| 772 | { |
---|
| 773 | Uses[Uses.size () - 1] = use1; |
---|
| 774 | } |
---|
| 775 | } |
---|
| 776 | |
---|
| 777 | /** |
---|
| 778 | * Reorder use1 versus use2 in the UsePtrVector list, so that the order reflects the fact |
---|
| 779 | * that use2 makes use of use1. |
---|
| 780 | * The result should be that use1 appears before use2 in the list. |
---|
| 781 | */ |
---|
| 782 | void Use::reorder (Use* use1, Use* use2) |
---|
| 783 | { |
---|
| 784 | static UsePtrVector& Uses = uses (); |
---|
| 785 | |
---|
| 786 | int use_index; |
---|
| 787 | int index1 = -1; |
---|
| 788 | int index2 = -1; |
---|
| 789 | Use* use; |
---|
| 790 | |
---|
| 791 | if (Uses.size () == 0) return; |
---|
| 792 | if (use1 == use2) return; |
---|
| 793 | |
---|
| 794 | // |
---|
| 795 | // First locate the two use objects into the Uses vector. |
---|
| 796 | // -> index1 and index 2 |
---|
| 797 | // |
---|
| 798 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 799 | { |
---|
| 800 | use = (Use*) Uses[use_index]; |
---|
| 801 | |
---|
| 802 | if (use == use1) index1 = use_index; |
---|
| 803 | if (use == use2) index2 = use_index; |
---|
| 804 | } |
---|
| 805 | |
---|
| 806 | if (Cmt::get_debug ()) |
---|
| 807 | { |
---|
| 808 | cout << "Use::reorder> 1=" << index1 << " 2=" << index2 << endl; |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | // |
---|
| 812 | // Both objects must be installed in Uses before acting. |
---|
| 813 | // |
---|
| 814 | if (index1 == -1) return; |
---|
| 815 | if (index2 == -1) return; |
---|
| 816 | |
---|
| 817 | if (index2 < index1) |
---|
| 818 | { |
---|
| 819 | // |
---|
| 820 | // 2 is already before 1 so job is finished |
---|
| 821 | // |
---|
| 822 | return; |
---|
| 823 | } |
---|
| 824 | else |
---|
| 825 | { |
---|
| 826 | // |
---|
| 827 | // before : <a a a 1 b b b 2 c c c> |
---|
| 828 | // ^ ^ |
---|
| 829 | // i1 i2 |
---|
| 830 | // |
---|
| 831 | // 1) move "1 b b b" by one place to the right |
---|
| 832 | // thus : <a a a 1 1 b b b c c c> |
---|
| 833 | // |
---|
| 834 | // 2) move "2" to [i1] |
---|
| 835 | // |
---|
| 836 | // after : <a a a 2 1 b b b c c c> |
---|
| 837 | // |
---|
| 838 | |
---|
| 839 | use = use2; |
---|
| 840 | |
---|
| 841 | for (use_index = index2 - 1; use_index >= index1; use_index--) |
---|
| 842 | { |
---|
| 843 | Uses[use_index + 1] = Uses[use_index]; |
---|
| 844 | } |
---|
| 845 | |
---|
| 846 | Uses[index1] = use; |
---|
| 847 | } |
---|
| 848 | } |
---|
| 849 | |
---|
| 850 | //---------------------------------------------------------- |
---|
| 851 | void Use::clear_all () |
---|
| 852 | { |
---|
| 853 | static UsePtrVector& Uses = uses (); |
---|
| 854 | static UseVector& AllUses = all_uses (); |
---|
| 855 | |
---|
| 856 | int use_index; |
---|
| 857 | |
---|
| 858 | for (use_index = 0; use_index < AllUses.size (); use_index++) |
---|
| 859 | { |
---|
| 860 | Use& use = AllUses[use_index]; |
---|
| 861 | use.clear (); |
---|
| 862 | } |
---|
| 863 | |
---|
| 864 | Uses.clear (); |
---|
| 865 | AllUses.clear (); |
---|
| 866 | } |
---|
| 867 | |
---|
| 868 | //---------------------------------------------------------- |
---|
| 869 | void Use::unselect_all () |
---|
| 870 | { |
---|
| 871 | static UsePtrVector& Uses = uses (); |
---|
| 872 | |
---|
| 873 | int use_index; |
---|
| 874 | |
---|
| 875 | if (Uses.size () == 0) return; |
---|
| 876 | |
---|
| 877 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 878 | { |
---|
| 879 | Use* use = Uses[use_index]; |
---|
| 880 | |
---|
| 881 | if (use != 0) |
---|
| 882 | { |
---|
| 883 | use->unselect (); |
---|
| 884 | } |
---|
| 885 | } |
---|
| 886 | } |
---|
| 887 | |
---|
| 888 | //---------------------------------------------------------- |
---|
| 889 | void Use::undiscard_all () |
---|
| 890 | { |
---|
| 891 | static UsePtrVector& Uses = uses (); |
---|
| 892 | |
---|
| 893 | int use_index; |
---|
| 894 | |
---|
| 895 | if (Uses.size () == 0) return; |
---|
| 896 | |
---|
| 897 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 898 | { |
---|
| 899 | Use* use = Uses[use_index]; |
---|
| 900 | |
---|
| 901 | if (use != 0) |
---|
| 902 | { |
---|
| 903 | use->undiscard (); |
---|
| 904 | } |
---|
| 905 | } |
---|
| 906 | } |
---|
| 907 | |
---|
| 908 | //---------------------------------------------------------- |
---|
| 909 | void Use::fill_macro_all (cmt_string& buffer, const cmt_string& suffix) |
---|
| 910 | { |
---|
| 911 | UsePtrVector& Uses = uses (); |
---|
| 912 | |
---|
| 913 | buffer = "macro_append use_"; |
---|
| 914 | buffer += suffix; |
---|
| 915 | buffer += " \" "; |
---|
| 916 | (Use::current()).fill_macro (buffer, suffix); |
---|
| 917 | |
---|
| 918 | for (int number = 0; number < Uses.size (); number++) |
---|
| 919 | { |
---|
| 920 | Use* use = Uses[number]; |
---|
| 921 | |
---|
| 922 | if (use->package == "CMT") continue; |
---|
| 923 | if (use->package == "methods") continue; |
---|
| 924 | if (use->discarded) continue; |
---|
| 925 | if (use->auto_imports == Off) continue; |
---|
| 926 | |
---|
| 927 | use->fill_macro (buffer, suffix); |
---|
| 928 | } |
---|
| 929 | |
---|
| 930 | buffer += "\""; |
---|
| 931 | } |
---|
| 932 | |
---|
| 933 | //---------------------------------------------------------- |
---|
| 934 | Use::Use () |
---|
| 935 | { |
---|
| 936 | done = false; |
---|
| 937 | discarded = false; |
---|
| 938 | auto_imports = Unspecified; |
---|
| 939 | |
---|
| 940 | clear (); |
---|
| 941 | } |
---|
| 942 | |
---|
| 943 | //---------------------------------------------------------- |
---|
| 944 | Use::Use (const cmt_string& new_package, |
---|
| 945 | const cmt_string& new_version, |
---|
| 946 | const cmt_string& new_path) |
---|
| 947 | { |
---|
| 948 | auto_imports = Unspecified; |
---|
| 949 | m_located = false; |
---|
| 950 | set (new_package, new_version, new_path); |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | //---------------------------------------------------------- |
---|
| 954 | Use::~Use () |
---|
| 955 | { |
---|
| 956 | clear (); |
---|
| 957 | } |
---|
| 958 | |
---|
| 959 | //---------------------------------------------------------- |
---|
| 960 | void Use::clear () |
---|
| 961 | { |
---|
| 962 | specified_path = ""; |
---|
| 963 | path = ""; |
---|
| 964 | package = ""; |
---|
| 965 | version = ""; |
---|
| 966 | author = ""; |
---|
| 967 | manager = ""; |
---|
| 968 | real_path = ""; |
---|
| 969 | |
---|
| 970 | prefix = ""; |
---|
| 971 | style = mgr_style; |
---|
| 972 | scope = Cmt::get_scope (); |
---|
| 973 | done = false; |
---|
| 974 | discarded = false; |
---|
| 975 | selected = false; |
---|
| 976 | auto_imports = Unspecified; |
---|
| 977 | |
---|
| 978 | includes.clear (); |
---|
| 979 | include_path = ""; |
---|
| 980 | scripts.clear (); |
---|
| 981 | apply_patterns.clear (); |
---|
| 982 | ignore_patterns.clear (); |
---|
| 983 | |
---|
| 984 | sub_uses.clear (); |
---|
| 985 | sub_use_scopes.clear (); |
---|
| 986 | sub_use_auto_imports.clear (); |
---|
| 987 | |
---|
| 988 | alternate_versions.clear (); |
---|
| 989 | alternate_paths.clear (); |
---|
| 990 | |
---|
| 991 | version_alias = ""; |
---|
| 992 | path_alias = ""; |
---|
| 993 | |
---|
| 994 | m_located = false; |
---|
| 995 | m_has_native_version = false; |
---|
| 996 | } |
---|
| 997 | |
---|
| 998 | //---------------------------------------------------------- |
---|
| 999 | void Use::set (const cmt_string& new_package, |
---|
| 1000 | const cmt_string& new_version, |
---|
| 1001 | const cmt_string& new_path, |
---|
| 1002 | const cmt_string& new_version_alias, |
---|
| 1003 | const cmt_string& new_path_alias) |
---|
| 1004 | { |
---|
| 1005 | clear (); |
---|
| 1006 | |
---|
| 1007 | package = new_package; |
---|
| 1008 | specified_path = new_path; |
---|
| 1009 | // specified_path.replace_all ("\\", "/"); |
---|
| 1010 | |
---|
| 1011 | specified_version = new_version; |
---|
| 1012 | version = new_version; |
---|
| 1013 | path = specified_path; |
---|
| 1014 | Symbol::expand (path); |
---|
| 1015 | real_path = ""; |
---|
| 1016 | style = mgr_style; |
---|
| 1017 | scope = Cmt::get_scope (); |
---|
| 1018 | done = false; |
---|
| 1019 | discarded = false; |
---|
| 1020 | Cmt::build_prefix (new_package, prefix); |
---|
| 1021 | |
---|
| 1022 | version_alias = new_version_alias; |
---|
| 1023 | path_alias = new_path_alias; |
---|
| 1024 | } |
---|
| 1025 | |
---|
| 1026 | //---------------------------------------------------------- |
---|
| 1027 | void Use::change_path (const cmt_string& new_path) |
---|
| 1028 | { |
---|
| 1029 | // |
---|
| 1030 | // This methods changes real_path after an actual location |
---|
| 1031 | // where this package/version has been found. |
---|
| 1032 | // |
---|
| 1033 | |
---|
| 1034 | real_path = ""; |
---|
| 1035 | |
---|
| 1036 | if (new_path != "") |
---|
| 1037 | { |
---|
| 1038 | if ((path.size () > 0) && |
---|
| 1039 | (!CmtSystem::absolute_path (path))) |
---|
| 1040 | { |
---|
| 1041 | real_path = new_path; |
---|
| 1042 | real_path += CmtSystem::file_separator (); |
---|
| 1043 | real_path += path; |
---|
| 1044 | } |
---|
| 1045 | else |
---|
| 1046 | { |
---|
| 1047 | real_path = new_path; |
---|
| 1048 | } |
---|
| 1049 | // real_path.replace_all ("\\", "/"); |
---|
| 1050 | } |
---|
| 1051 | |
---|
| 1052 | m_located = true; |
---|
| 1053 | } |
---|
| 1054 | |
---|
| 1055 | //---------------------------------------------------------- |
---|
| 1056 | int Use::reach_package (const cmt_string& from_path) |
---|
| 1057 | { |
---|
| 1058 | //cerr << "Use::reach_package> (" << package << " " << version << ")from " << from_path << endl; |
---|
| 1059 | |
---|
| 1060 | // |
---|
| 1061 | // We try to reach a package/version starting from from_path |
---|
| 1062 | // |
---|
| 1063 | |
---|
| 1064 | // check if from_path is at least real |
---|
| 1065 | if ((from_path != "") && !CmtSystem::cd (from_path)) return (0); |
---|
| 1066 | |
---|
| 1067 | // check in case from_path is a new search path |
---|
| 1068 | if (from_path != real_path) |
---|
| 1069 | { |
---|
| 1070 | // Move to that prefix only if it is a relative path. |
---|
| 1071 | if ((path.size () > 0) && (!CmtSystem::absolute_path (path))) |
---|
| 1072 | { |
---|
| 1073 | if (!CmtSystem::cd (path)) |
---|
| 1074 | { |
---|
| 1075 | return (0); |
---|
| 1076 | } |
---|
| 1077 | } |
---|
| 1078 | } |
---|
| 1079 | |
---|
| 1080 | // Special treatment for CMTHOME package... |
---|
| 1081 | if (package == CmtSystem::get_home_package ()) |
---|
| 1082 | { |
---|
| 1083 | discarded = 1; |
---|
| 1084 | if (!CmtSystem::test_file ("requirements")) |
---|
| 1085 | { |
---|
| 1086 | return (0); |
---|
| 1087 | } |
---|
| 1088 | else |
---|
| 1089 | { |
---|
| 1090 | return (1); |
---|
| 1091 | } |
---|
| 1092 | } |
---|
| 1093 | |
---|
| 1094 | // Special treatment for CMTUSERCONTEXT package... |
---|
| 1095 | if (package == CmtSystem::get_user_context_package ()) |
---|
| 1096 | { |
---|
| 1097 | discarded = 1; |
---|
| 1098 | if (!CmtSystem::test_file ("requirements")) |
---|
| 1099 | { |
---|
| 1100 | return (0); |
---|
| 1101 | } |
---|
| 1102 | else |
---|
| 1103 | { |
---|
| 1104 | return (1); |
---|
| 1105 | } |
---|
| 1106 | } |
---|
| 1107 | |
---|
| 1108 | // Now from_path exists, try if the package exists there |
---|
| 1109 | if (!CmtSystem::cd (package)) |
---|
| 1110 | { |
---|
| 1111 | return (0); |
---|
| 1112 | } |
---|
| 1113 | |
---|
| 1114 | if (!CmtSystem::cd (version)) |
---|
| 1115 | { |
---|
| 1116 | // |
---|
| 1117 | // The specified version cannot be found per-se |
---|
| 1118 | // There are alternate possibilities when it contains wild cards |
---|
| 1119 | // |
---|
| 1120 | if ((version == "") || |
---|
| 1121 | (version.find ("*") != cmt_string::npos)) |
---|
| 1122 | { |
---|
| 1123 | static CmtSystem::cmt_string_vector versions; |
---|
| 1124 | static cmt_string name; |
---|
| 1125 | |
---|
| 1126 | name = "."; |
---|
| 1127 | name += CmtSystem::file_separator (); |
---|
| 1128 | if (version == "") name += "*"; |
---|
| 1129 | else name += version; |
---|
| 1130 | |
---|
| 1131 | CmtSystem::scan_dir (name, versions); |
---|
| 1132 | |
---|
| 1133 | int i; |
---|
| 1134 | bool found = false; |
---|
| 1135 | |
---|
| 1136 | for (i = 0; i < versions.size (); i++) |
---|
| 1137 | { |
---|
| 1138 | const cmt_string& vers = versions[i]; |
---|
| 1139 | |
---|
| 1140 | if (Cmt::get_debug ()) |
---|
| 1141 | { |
---|
| 1142 | cout << " ... version " << vers << " exists" << endl; |
---|
| 1143 | } |
---|
| 1144 | |
---|
| 1145 | CmtSystem::basename (vers, name); |
---|
| 1146 | |
---|
| 1147 | int v; |
---|
| 1148 | int r; |
---|
| 1149 | int p; |
---|
| 1150 | |
---|
| 1151 | if (CmtSystem::is_version_directory (name, v, r, p)) |
---|
| 1152 | { |
---|
| 1153 | /* |
---|
| 1154 | This check is not sufficient !! We need to check in addition |
---|
| 1155 | that the selected directory is really the start of a true CMT |
---|
| 1156 | package (ie with either /mgr/requirements or /cmt/requirements below) |
---|
| 1157 | */ |
---|
| 1158 | |
---|
| 1159 | cmt_string req; |
---|
| 1160 | |
---|
| 1161 | req = name; |
---|
| 1162 | req += CmtSystem::file_separator (); |
---|
| 1163 | req += "mgr"; |
---|
| 1164 | req += CmtSystem::file_separator (); |
---|
| 1165 | req += "requirements"; |
---|
| 1166 | |
---|
| 1167 | if (!CmtSystem::test_file (req)) |
---|
| 1168 | { |
---|
| 1169 | req = name; |
---|
| 1170 | req += CmtSystem::file_separator (); |
---|
| 1171 | req += "cmt"; |
---|
| 1172 | req += CmtSystem::file_separator (); |
---|
| 1173 | req += "requirements"; |
---|
| 1174 | |
---|
| 1175 | if (!CmtSystem::test_file (req)) continue; |
---|
| 1176 | } |
---|
| 1177 | |
---|
| 1178 | cmt_string& new_v = alternate_versions.add (); |
---|
| 1179 | new_v = name; |
---|
| 1180 | cmt_string& new_p = alternate_paths.add (); |
---|
| 1181 | new_p = from_path; |
---|
| 1182 | |
---|
| 1183 | found = true; |
---|
| 1184 | } |
---|
| 1185 | } |
---|
| 1186 | } |
---|
| 1187 | |
---|
| 1188 | if (Cmt::get_debug ()) |
---|
| 1189 | { |
---|
| 1190 | cout << " ... end of version scan" << endl; |
---|
| 1191 | } |
---|
| 1192 | |
---|
| 1193 | // |
---|
| 1194 | // We have now the list of possible alternate versions. However |
---|
| 1195 | // we return that the expected package/version was not found (yet). |
---|
| 1196 | // |
---|
| 1197 | |
---|
| 1198 | return (0); |
---|
| 1199 | } |
---|
| 1200 | |
---|
| 1201 | //cerr << " ... version " << version << " exists" << endl; |
---|
| 1202 | |
---|
| 1203 | // Now we have met the exact specified version! |
---|
| 1204 | if (!CmtSystem::test_file ("cmt/requirements")) |
---|
| 1205 | { |
---|
| 1206 | if (!CmtSystem::test_file ("mgr/requirements")) |
---|
| 1207 | { |
---|
| 1208 | return (0); |
---|
| 1209 | } |
---|
| 1210 | else |
---|
| 1211 | { |
---|
| 1212 | CmtSystem::cd ("mgr"); |
---|
| 1213 | style = mgr_style; |
---|
| 1214 | } |
---|
| 1215 | } |
---|
| 1216 | else |
---|
| 1217 | { |
---|
| 1218 | CmtSystem::cd ("cmt"); |
---|
| 1219 | style = cmt_style; |
---|
| 1220 | } |
---|
| 1221 | |
---|
| 1222 | return (1); |
---|
| 1223 | } |
---|
| 1224 | |
---|
| 1225 | //---------------------------------------------------------- |
---|
| 1226 | bool Use::move_to () |
---|
| 1227 | { |
---|
| 1228 | if (m_located) |
---|
| 1229 | { |
---|
| 1230 | // |
---|
| 1231 | // The real path where this version/package can be found |
---|
| 1232 | // has already been resolved. We thus first go there. |
---|
| 1233 | // |
---|
| 1234 | |
---|
| 1235 | if (Cmt::get_debug ()) |
---|
| 1236 | { |
---|
| 1237 | cout << "move_to1> " << real_path << endl; |
---|
| 1238 | } |
---|
| 1239 | |
---|
| 1240 | reach_package (real_path); |
---|
| 1241 | |
---|
| 1242 | return (true); |
---|
| 1243 | } |
---|
| 1244 | |
---|
| 1245 | cmt_string expanded_path = path; |
---|
| 1246 | |
---|
| 1247 | // |
---|
| 1248 | // Try here. |
---|
| 1249 | // |
---|
| 1250 | if (expanded_path == "") |
---|
| 1251 | { |
---|
| 1252 | if (reach_package ("")) |
---|
| 1253 | { |
---|
| 1254 | if (Cmt::get_debug ()) |
---|
| 1255 | { |
---|
| 1256 | cout << "move_to2> " << expanded_path << endl; |
---|
| 1257 | } |
---|
| 1258 | |
---|
| 1259 | change_path (expanded_path); |
---|
| 1260 | |
---|
| 1261 | return (true); |
---|
| 1262 | } |
---|
| 1263 | else if (alternate_versions.size () > 0) |
---|
| 1264 | { |
---|
| 1265 | if (select_alternate ()) |
---|
| 1266 | { |
---|
| 1267 | if (Cmt::get_debug ()) |
---|
| 1268 | { |
---|
| 1269 | cout << "move_to5> " << real_path << endl; |
---|
| 1270 | } |
---|
| 1271 | |
---|
| 1272 | return (true); |
---|
| 1273 | } |
---|
| 1274 | } |
---|
| 1275 | } |
---|
| 1276 | |
---|
| 1277 | // |
---|
| 1278 | // If the path specified in this use is a true absolute path, |
---|
| 1279 | // then we search the package from there first. |
---|
| 1280 | // |
---|
| 1281 | if (CmtSystem::absolute_path (expanded_path)) |
---|
| 1282 | { |
---|
| 1283 | if (reach_package (expanded_path)) |
---|
| 1284 | { |
---|
| 1285 | if (Cmt::get_debug ()) |
---|
| 1286 | { |
---|
| 1287 | cout << "move_to3> " << expanded_path << endl; |
---|
| 1288 | } |
---|
| 1289 | |
---|
| 1290 | change_path (expanded_path); |
---|
| 1291 | |
---|
| 1292 | return (true); |
---|
| 1293 | } |
---|
| 1294 | else if (alternate_versions.size () > 0) |
---|
| 1295 | { |
---|
| 1296 | if (select_alternate ()) |
---|
| 1297 | { |
---|
| 1298 | if (Cmt::get_debug ()) |
---|
| 1299 | { |
---|
| 1300 | cout << "move_to5> " << real_path << endl; |
---|
| 1301 | } |
---|
| 1302 | |
---|
| 1303 | return (true); |
---|
| 1304 | } |
---|
| 1305 | } |
---|
| 1306 | } |
---|
| 1307 | |
---|
| 1308 | // |
---|
| 1309 | // Second try is among the CMTPATHs |
---|
| 1310 | // |
---|
| 1311 | |
---|
| 1312 | static const CmtSystem::cmt_string_vector& search_path = Cmt::get_cmt_path (); |
---|
| 1313 | int path_index = 0; |
---|
| 1314 | |
---|
| 1315 | for (path_index = 0; path_index < search_path.size (); path_index++) |
---|
| 1316 | { |
---|
| 1317 | const cmt_string& next_path = search_path[path_index]; |
---|
| 1318 | |
---|
| 1319 | alternate_versions.clear (); |
---|
| 1320 | alternate_paths.clear (); |
---|
| 1321 | |
---|
| 1322 | if (reach_package (next_path)) |
---|
| 1323 | { |
---|
| 1324 | if (Cmt::get_debug ()) |
---|
| 1325 | { |
---|
| 1326 | cout << "move_to4> " << next_path << endl; |
---|
| 1327 | } |
---|
| 1328 | |
---|
| 1329 | change_path (next_path); |
---|
| 1330 | |
---|
| 1331 | return (true); |
---|
| 1332 | } |
---|
| 1333 | else if (alternate_versions.size () > 0) |
---|
| 1334 | { |
---|
| 1335 | if (select_alternate ()) |
---|
| 1336 | { |
---|
| 1337 | if (Cmt::get_debug ()) |
---|
| 1338 | { |
---|
| 1339 | cout << "move_to5> " << real_path << endl; |
---|
| 1340 | } |
---|
| 1341 | |
---|
| 1342 | return (true); |
---|
| 1343 | } |
---|
| 1344 | } |
---|
| 1345 | } |
---|
| 1346 | |
---|
| 1347 | |
---|
| 1348 | return (false); |
---|
| 1349 | } |
---|
| 1350 | |
---|
| 1351 | //---------------------------------------------------------- |
---|
| 1352 | bool Use::select_alternate () |
---|
| 1353 | { |
---|
| 1354 | int i; |
---|
| 1355 | |
---|
| 1356 | int v0 = 0; |
---|
| 1357 | int r0 = 0; |
---|
| 1358 | int p0 = 0; |
---|
| 1359 | |
---|
| 1360 | int v = 0; |
---|
| 1361 | int r = 0; |
---|
| 1362 | int p = 0; |
---|
| 1363 | |
---|
| 1364 | int selected_index = -1; |
---|
| 1365 | |
---|
| 1366 | for (i = 0; i < alternate_versions.size (); i++) |
---|
| 1367 | { |
---|
| 1368 | cmt_string& name = alternate_versions[i]; |
---|
| 1369 | |
---|
| 1370 | /* |
---|
| 1371 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
| 1372 | { |
---|
| 1373 | cout << "select_alternate[" << this << "]> package " << package << |
---|
| 1374 | " sv=" << specified_version << |
---|
| 1375 | " v=" << version << |
---|
| 1376 | " av[" << i << "]=" << name << endl; |
---|
| 1377 | } |
---|
| 1378 | */ |
---|
| 1379 | |
---|
| 1380 | if (i == 0) |
---|
| 1381 | { |
---|
| 1382 | CmtSystem::is_version_directory (name, v0, r0, p0); |
---|
| 1383 | selected_index = 0; |
---|
| 1384 | } |
---|
| 1385 | else |
---|
| 1386 | { |
---|
| 1387 | CmtSystem::is_version_directory (name, v, r, p); |
---|
| 1388 | |
---|
| 1389 | if (v > v0) |
---|
| 1390 | { |
---|
| 1391 | selected_index = i; |
---|
| 1392 | v0 = v; |
---|
| 1393 | r0 = r; |
---|
| 1394 | p0 = p; |
---|
| 1395 | } |
---|
| 1396 | else if (v == v0) |
---|
| 1397 | { |
---|
| 1398 | if (r > r0) |
---|
| 1399 | { |
---|
| 1400 | selected_index = i; |
---|
| 1401 | r0 = r; |
---|
| 1402 | p0 = p; |
---|
| 1403 | } |
---|
| 1404 | else if (r == r0) |
---|
| 1405 | { |
---|
| 1406 | if (p > p0) |
---|
| 1407 | { |
---|
| 1408 | selected_index = i; |
---|
| 1409 | p0 = p; |
---|
| 1410 | } |
---|
| 1411 | } |
---|
| 1412 | } |
---|
| 1413 | } |
---|
| 1414 | } |
---|
| 1415 | |
---|
| 1416 | if (selected_index >= 0) |
---|
| 1417 | { |
---|
| 1418 | if (CmtSystem::cd (alternate_paths[selected_index])) |
---|
| 1419 | { |
---|
| 1420 | version = alternate_versions[selected_index]; |
---|
| 1421 | if (reach_package (alternate_paths[selected_index])) |
---|
| 1422 | { |
---|
| 1423 | /* |
---|
| 1424 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
| 1425 | { |
---|
| 1426 | cout << "select_alternate2> package " << package << |
---|
| 1427 | " sv=" << specified_version << |
---|
| 1428 | " v=" << version << endl; |
---|
| 1429 | } |
---|
| 1430 | */ |
---|
| 1431 | |
---|
| 1432 | if (Cmt::get_debug ()) |
---|
| 1433 | { |
---|
| 1434 | cout << "select_alternate> " << alternate_paths[selected_index] << endl; |
---|
| 1435 | } |
---|
| 1436 | |
---|
| 1437 | change_path (alternate_paths[selected_index]); |
---|
| 1438 | return (true); |
---|
| 1439 | } |
---|
| 1440 | } |
---|
| 1441 | } |
---|
| 1442 | |
---|
| 1443 | return (false); |
---|
| 1444 | } |
---|
| 1445 | |
---|
| 1446 | //---------------------------------------------------------- |
---|
| 1447 | bool Use::need_new (const cmt_string& path, |
---|
| 1448 | const cmt_string& package, |
---|
| 1449 | const cmt_string& version, |
---|
| 1450 | Use** old_use) |
---|
| 1451 | { |
---|
| 1452 | bool has_wild_card = (version.find ("*") != cmt_string::npos); |
---|
| 1453 | |
---|
| 1454 | static UsePtrVector& Uses = uses (); |
---|
| 1455 | static UseVector& AllUses = all_uses (); |
---|
| 1456 | |
---|
| 1457 | bool result = true; |
---|
| 1458 | Use* found = 0; |
---|
| 1459 | |
---|
| 1460 | int use_index; |
---|
| 1461 | |
---|
| 1462 | if (old_use != 0) *old_use = 0; |
---|
| 1463 | if (AllUses.size () == 0) return (true); |
---|
| 1464 | |
---|
| 1465 | for (use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 1466 | { |
---|
| 1467 | Use& use = (*Uses[use_index]); |
---|
| 1468 | |
---|
| 1469 | if (use.package != package) continue; |
---|
| 1470 | |
---|
| 1471 | found = &use; |
---|
| 1472 | |
---|
| 1473 | /* |
---|
| 1474 | cerr << "Use::need_new> (" << package |
---|
| 1475 | << ") requested version=" << version |
---|
| 1476 | << " vs existing=" << use->version |
---|
| 1477 | << " (specified as " << use->specified_version |
---|
| 1478 | << ")" << endl; |
---|
| 1479 | */ |
---|
| 1480 | |
---|
| 1481 | bool use_has_wild_card = (use.specified_version.find ("*") != cmt_string::npos); |
---|
| 1482 | |
---|
| 1483 | if (has_wild_card && !use_has_wild_card) |
---|
| 1484 | { |
---|
| 1485 | //cerr << " ... requested wildcarded loses against existing explicit" << endl; |
---|
| 1486 | result = false; |
---|
| 1487 | break; |
---|
| 1488 | } |
---|
| 1489 | |
---|
| 1490 | if ((version == use.specified_version) && |
---|
| 1491 | (path == use.specified_path)) |
---|
| 1492 | { |
---|
| 1493 | // exactly same version and path! |
---|
| 1494 | result = false; |
---|
| 1495 | break; |
---|
| 1496 | } |
---|
| 1497 | |
---|
| 1498 | // requested explicit wins against existing wildcarded |
---|
| 1499 | // In any case when paths are different, consider the new one. |
---|
| 1500 | // Now paths are identical (thus versions are different). |
---|
| 1501 | } |
---|
| 1502 | |
---|
| 1503 | if (old_use != 0) *old_use = found; |
---|
| 1504 | return (result); |
---|
| 1505 | } |
---|
| 1506 | |
---|
| 1507 | //---------------------------------------------------------- |
---|
| 1508 | // |
---|
| 1509 | // Here the version which is provided here is the specified version. |
---|
| 1510 | // It may contain wild cards or it may be simply empty. |
---|
| 1511 | // |
---|
| 1512 | //---------------------------------------------------------- |
---|
| 1513 | Use* Use::create (const cmt_string& path, |
---|
| 1514 | const cmt_string& package, |
---|
| 1515 | const cmt_string& version, |
---|
| 1516 | const cmt_string& version_alias, |
---|
| 1517 | const cmt_string& path_alias) |
---|
| 1518 | { |
---|
| 1519 | static UseVector& AllUses = all_uses (); |
---|
| 1520 | |
---|
| 1521 | // We first look in the database. |
---|
| 1522 | for (int use_index = 0; use_index < AllUses.size (); use_index++) |
---|
| 1523 | { |
---|
| 1524 | Use& use = AllUses[use_index]; |
---|
| 1525 | |
---|
| 1526 | if (use.package == package) |
---|
| 1527 | { |
---|
| 1528 | if ((use.specified_version == version) && |
---|
| 1529 | (use.specified_path == path)) return (&use); |
---|
| 1530 | } |
---|
| 1531 | } |
---|
| 1532 | |
---|
| 1533 | // We now really create a new Use entry. |
---|
| 1534 | |
---|
| 1535 | Use& use_object = AllUses.add (); |
---|
| 1536 | use_object.set (package, version, path, version_alias, path_alias); |
---|
| 1537 | |
---|
| 1538 | return (&use_object); |
---|
| 1539 | } |
---|
| 1540 | |
---|
| 1541 | //---------------------------------------------------------- |
---|
| 1542 | // Add a use request into the database. |
---|
| 1543 | // |
---|
| 1544 | // o If a use request already exist in the database, |
---|
| 1545 | // check the version compatibility |
---|
| 1546 | // |
---|
| 1547 | //---------------------------------------------------------- |
---|
| 1548 | Use* Use::add (const cmt_string& path, |
---|
| 1549 | const cmt_string& package, |
---|
| 1550 | const cmt_string& version, |
---|
| 1551 | const cmt_string& version_alias, |
---|
| 1552 | const cmt_string& path_alias, |
---|
| 1553 | Use* context_use, |
---|
| 1554 | State specified_auto_imports) |
---|
| 1555 | { |
---|
| 1556 | static UsePtrVector& Uses = uses (); |
---|
| 1557 | |
---|
| 1558 | bool do_need_new = false; |
---|
| 1559 | |
---|
| 1560 | Use* old_use = 0; |
---|
| 1561 | Use* use = 0; |
---|
| 1562 | |
---|
| 1563 | do_need_new = need_new (path, package, version, &old_use); |
---|
| 1564 | |
---|
| 1565 | /* |
---|
| 1566 | if (old_use != 0) |
---|
| 1567 | { |
---|
| 1568 | cout << "add> old_use " << old_use->package << |
---|
| 1569 | " " << old_use->version << |
---|
| 1570 | " " << old_use->path << |
---|
| 1571 | endl; |
---|
| 1572 | } |
---|
| 1573 | */ |
---|
| 1574 | |
---|
| 1575 | if (do_need_new) |
---|
| 1576 | { |
---|
| 1577 | use = create (path, package, version, version_alias, path_alias); |
---|
| 1578 | } |
---|
| 1579 | else |
---|
| 1580 | { |
---|
| 1581 | // Since we don't need a new Use, it means that old_use exists ! |
---|
| 1582 | use = old_use; |
---|
| 1583 | old_use = 0; |
---|
| 1584 | } |
---|
| 1585 | |
---|
| 1586 | if (package == CmtSystem::get_home_package ()) |
---|
| 1587 | { |
---|
| 1588 | return (use); |
---|
| 1589 | } |
---|
| 1590 | |
---|
| 1591 | if (package == CmtSystem::get_user_context_package ()) |
---|
| 1592 | { |
---|
| 1593 | return (use); |
---|
| 1594 | } |
---|
| 1595 | |
---|
| 1596 | cmt_string here = CmtSystem::pwd (); |
---|
| 1597 | |
---|
| 1598 | // |
---|
| 1599 | // Store the specified sub_uses. Some of them may become discarded |
---|
| 1600 | // later on. |
---|
| 1601 | // |
---|
| 1602 | if (context_use != 0) |
---|
| 1603 | { |
---|
| 1604 | context_use->sub_uses.push_back (use); |
---|
| 1605 | context_use->sub_use_scopes.push_back (Cmt::get_scope ()); |
---|
| 1606 | context_use->sub_use_auto_imports.push_back (specified_auto_imports); |
---|
| 1607 | |
---|
| 1608 | if (Cmt::get_debug ()) |
---|
| 1609 | { |
---|
| 1610 | cout << "Use::add context(" << context_use->package << ") " |
---|
| 1611 | << "[u:" << package |
---|
| 1612 | << " s:" << Cmt::get_scope () |
---|
| 1613 | << " ai:" << specified_auto_imports |
---|
| 1614 | << "]" << endl; |
---|
| 1615 | } |
---|
| 1616 | } |
---|
| 1617 | |
---|
| 1618 | /* |
---|
| 1619 | * Now we have a Use object. If it is a new one, we have to |
---|
| 1620 | * 1) understand if it exists physically |
---|
| 1621 | * 2) it is better than the old ones. |
---|
| 1622 | * |
---|
| 1623 | * Here, we may have : |
---|
| 1624 | * 1) old_use = 0 |
---|
| 1625 | * there was no Use object before for this package |
---|
| 1626 | * the existing one is fine |
---|
| 1627 | * |
---|
| 1628 | * 2) old_use != 0 |
---|
| 1629 | * we have created a new Use (which has to be validated) |
---|
| 1630 | */ |
---|
| 1631 | |
---|
| 1632 | bool found = use->move_to (); |
---|
| 1633 | |
---|
| 1634 | if (Cmt::get_debug ()) |
---|
| 1635 | { |
---|
| 1636 | cout << "add> use " << use->package |
---|
| 1637 | << " " << use->version |
---|
| 1638 | << " " << use->path |
---|
| 1639 | << " found=" << found |
---|
| 1640 | << endl; |
---|
| 1641 | } |
---|
| 1642 | |
---|
| 1643 | if (!found) |
---|
| 1644 | { |
---|
| 1645 | if (!Cmt::get_quiet ()) |
---|
| 1646 | { |
---|
| 1647 | cerr << "#(Warning) package " << use->package << |
---|
| 1648 | " " << use->version << " " << use->path << |
---|
| 1649 | " not found" << |
---|
| 1650 | endl; |
---|
| 1651 | } |
---|
| 1652 | |
---|
| 1653 | CmtError::set (CmtError::package_not_found, use->package); |
---|
| 1654 | use = 0; |
---|
| 1655 | } |
---|
| 1656 | |
---|
| 1657 | if ((old_use != 0) && (use != old_use)) |
---|
| 1658 | { |
---|
| 1659 | /* |
---|
| 1660 | * There was another version of this Use. But a new one was created due to |
---|
| 1661 | * some criteria. |
---|
| 1662 | * New we are going to apply the version strategy to make the final selection. |
---|
| 1663 | */ |
---|
| 1664 | |
---|
| 1665 | /* |
---|
| 1666 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
| 1667 | { |
---|
| 1668 | cout << "select? [" << use << "] vs old_use[" << old_use << "] " << old_use->package << |
---|
| 1669 | " " << old_use->version << |
---|
| 1670 | " " << old_use->path << |
---|
| 1671 | endl; |
---|
| 1672 | } |
---|
| 1673 | */ |
---|
| 1674 | |
---|
| 1675 | if (!found) |
---|
| 1676 | { |
---|
| 1677 | /* |
---|
| 1678 | * This new Use does not correspond to any physical package. |
---|
| 1679 | * let's simply discard it |
---|
| 1680 | */ |
---|
| 1681 | |
---|
| 1682 | if (use != 0) use->discard (); |
---|
| 1683 | use = old_use; |
---|
| 1684 | found = use->move_to (); |
---|
| 1685 | } |
---|
| 1686 | else |
---|
| 1687 | { |
---|
| 1688 | // |
---|
| 1689 | // This new version is different from the old one |
---|
| 1690 | // thus we have to choose |
---|
| 1691 | // |
---|
| 1692 | VersionSelector& selector = VersionSelector::instance (); |
---|
| 1693 | Use* selected_use = selector.operate (old_use, use); |
---|
| 1694 | |
---|
| 1695 | // |
---|
| 1696 | // Some situations managed by selector.operate happen |
---|
| 1697 | // to fail discarding the rejected Use. |
---|
| 1698 | // |
---|
| 1699 | if (use != selected_use) |
---|
| 1700 | { |
---|
| 1701 | use->discard (); |
---|
| 1702 | } |
---|
| 1703 | |
---|
| 1704 | use = selected_use; |
---|
| 1705 | |
---|
| 1706 | /* |
---|
| 1707 | * current directory is moved to the selected one |
---|
| 1708 | */ |
---|
| 1709 | found = use->move_to (); |
---|
| 1710 | } |
---|
| 1711 | } |
---|
| 1712 | |
---|
| 1713 | // |
---|
| 1714 | // The following statement is no longer considered as useful. |
---|
| 1715 | // It is commented. But we should clarify why it was really needed! |
---|
| 1716 | // |
---|
| 1717 | //use->undiscard (); |
---|
| 1718 | |
---|
| 1719 | if (found) |
---|
| 1720 | { |
---|
| 1721 | bool registered = false; |
---|
| 1722 | const Use& cu = Use::current (); |
---|
| 1723 | |
---|
| 1724 | // |
---|
| 1725 | // A pointer to this new object is also added or replaced. |
---|
| 1726 | // |
---|
| 1727 | if ((use != &cu) && (package == cu.package)) |
---|
| 1728 | { |
---|
| 1729 | // This is a recursive call to the current package!! |
---|
| 1730 | registered = true; |
---|
| 1731 | use->done = true; |
---|
| 1732 | } |
---|
| 1733 | else |
---|
| 1734 | { |
---|
| 1735 | for (int i = 0; i < Uses.size(); i++) |
---|
| 1736 | { |
---|
| 1737 | Use* u = Uses[i]; |
---|
| 1738 | |
---|
| 1739 | if (u->package == package) |
---|
| 1740 | { |
---|
| 1741 | registered = true; |
---|
| 1742 | Uses[i] = use; |
---|
| 1743 | break; |
---|
| 1744 | } |
---|
| 1745 | } |
---|
| 1746 | } |
---|
| 1747 | |
---|
| 1748 | if (!registered) Uses.push_back (use); |
---|
| 1749 | |
---|
| 1750 | if (!use->done && Cmt::get_recursive ()) |
---|
| 1751 | { |
---|
| 1752 | use->done = true; |
---|
| 1753 | |
---|
| 1754 | /* |
---|
| 1755 | if (CmtSystem::getenv ("CMTTESTUSEWILDCARDS") != "") |
---|
| 1756 | { |
---|
| 1757 | for (int use_index = 0; use_index < Uses.size (); use_index++) |
---|
| 1758 | { |
---|
| 1759 | Use* u = (Use*) Uses[use_index]; |
---|
| 1760 | cout << " use[" << use_index << "] p=" << u->package << |
---|
| 1761 | " v=" << u->version << |
---|
| 1762 | " discarded=" << u->discarded << |
---|
| 1763 | " selected=" << u->selected << |
---|
| 1764 | endl; |
---|
| 1765 | } |
---|
| 1766 | |
---|
| 1767 | cout << "parsing at " << CmtSystem::pwd () << endl; |
---|
| 1768 | } |
---|
| 1769 | */ |
---|
| 1770 | |
---|
| 1771 | /** |
---|
| 1772 | Get the previous set of effective use statements |
---|
| 1773 | that might have been obtained in a previous build. |
---|
| 1774 | This is stored in uses.log. Ignored if file does not exist. |
---|
| 1775 | */ |
---|
| 1776 | |
---|
| 1777 | //Cmt::parse_requirements ("uses.log", use); |
---|
| 1778 | |
---|
| 1779 | if (Cmt::get_debug ()) |
---|
| 1780 | { |
---|
| 1781 | cout << "Parsing requirements file at " << CmtSystem::pwd () << endl; |
---|
| 1782 | } |
---|
| 1783 | |
---|
| 1784 | Cmt::parse_requirements ("requirements", use); |
---|
| 1785 | } |
---|
| 1786 | } |
---|
| 1787 | |
---|
| 1788 | CmtSystem::cd (here); |
---|
| 1789 | |
---|
| 1790 | return (use); |
---|
| 1791 | } |
---|
| 1792 | |
---|
| 1793 | //---------------------------------------------------------- |
---|
| 1794 | void Use::discard () |
---|
| 1795 | { |
---|
| 1796 | discarded = true; |
---|
| 1797 | } |
---|
| 1798 | |
---|
| 1799 | //---------------------------------------------------------- |
---|
| 1800 | void Use::undiscard () |
---|
| 1801 | { |
---|
| 1802 | discarded = false; |
---|
| 1803 | } |
---|
| 1804 | |
---|
| 1805 | //---------------------------------------------------------- |
---|
| 1806 | void Use::select () |
---|
| 1807 | { |
---|
| 1808 | selected = true; |
---|
| 1809 | } |
---|
| 1810 | |
---|
| 1811 | //---------------------------------------------------------- |
---|
| 1812 | void Use::unselect () |
---|
| 1813 | { |
---|
| 1814 | selected = false; |
---|
| 1815 | } |
---|
| 1816 | |
---|
| 1817 | //---------------------------------------------------------- |
---|
| 1818 | bool Use::is_selected () |
---|
| 1819 | { |
---|
| 1820 | return (selected); |
---|
| 1821 | } |
---|
| 1822 | |
---|
| 1823 | /** |
---|
| 1824 | * Check if the package makes use of the specified package/version |
---|
| 1825 | * |
---|
| 1826 | * The seach only considers the first level of uses (thus it is |
---|
| 1827 | * NOT recursive) |
---|
| 1828 | */ |
---|
| 1829 | bool Use::is_client (const cmt_string& used_package, |
---|
| 1830 | const cmt_string& used_version) |
---|
| 1831 | { |
---|
| 1832 | // A package is client of itself |
---|
| 1833 | if ((package == used_package) && |
---|
| 1834 | (version == used_version)) return (true); |
---|
| 1835 | |
---|
| 1836 | if (discarded) return (false); |
---|
| 1837 | |
---|
| 1838 | int i; |
---|
| 1839 | |
---|
| 1840 | for (i = 0; i < sub_uses.size (); i++) |
---|
| 1841 | { |
---|
| 1842 | Use* use = sub_uses[i]; |
---|
| 1843 | if (use == 0) continue; |
---|
| 1844 | |
---|
| 1845 | if ((use->package == used_package) && |
---|
| 1846 | (use->version == used_version)) return (true); |
---|
| 1847 | |
---|
| 1848 | /* |
---|
| 1849 | if (use->is_client (used_package, used_version)) |
---|
| 1850 | { |
---|
| 1851 | return (true); |
---|
| 1852 | } |
---|
| 1853 | */ |
---|
| 1854 | } |
---|
| 1855 | |
---|
| 1856 | return (false); |
---|
| 1857 | } |
---|
| 1858 | |
---|
| 1859 | //---------------------------------------------------------- |
---|
| 1860 | void Use::apply_global_patterns () |
---|
| 1861 | { |
---|
| 1862 | int i; |
---|
| 1863 | |
---|
| 1864 | Pattern::PatternVector& vector = Pattern::patterns (); |
---|
| 1865 | |
---|
| 1866 | for (i = 0; i < vector.size (); i++) |
---|
| 1867 | { |
---|
| 1868 | Pattern& p = vector[i]; |
---|
| 1869 | |
---|
| 1870 | if (p.global) |
---|
| 1871 | { |
---|
| 1872 | p.apply (this); |
---|
| 1873 | } |
---|
| 1874 | } |
---|
| 1875 | } |
---|
| 1876 | |
---|
| 1877 | //---------------------------------------------------------- |
---|
| 1878 | void Use::set_include_path (const cmt_string& new_path) |
---|
| 1879 | { |
---|
| 1880 | include_path = new_path; |
---|
| 1881 | } |
---|
| 1882 | |
---|
| 1883 | /** |
---|
| 1884 | * Compute the full real path of a found package. |
---|
| 1885 | * Takes the structuring style into account |
---|
| 1886 | * |
---|
| 1887 | * Result is used to fill in the referenced string |
---|
| 1888 | * Result does NOT include the trailing file_separator |
---|
| 1889 | */ |
---|
| 1890 | void Use::get_full_path (cmt_string& s) const |
---|
| 1891 | { |
---|
| 1892 | if (real_path == "") s = CmtSystem::pwd (); |
---|
| 1893 | else s = real_path; |
---|
| 1894 | |
---|
| 1895 | s += CmtSystem::file_separator (); |
---|
| 1896 | s += package; |
---|
| 1897 | |
---|
| 1898 | s += CmtSystem::file_separator (); |
---|
| 1899 | s += version; |
---|
| 1900 | } |
---|
| 1901 | |
---|
| 1902 | /** |
---|
| 1903 | * Compute the full real path of a found package. |
---|
| 1904 | * Takes the structuring style into account |
---|
| 1905 | */ |
---|
| 1906 | cmt_string Use::get_full_path () const |
---|
| 1907 | { |
---|
| 1908 | cmt_string result; |
---|
| 1909 | |
---|
| 1910 | get_full_path (result); |
---|
| 1911 | |
---|
| 1912 | return (result); |
---|
| 1913 | } |
---|
| 1914 | |
---|
| 1915 | /** |
---|
| 1916 | * Considering a given path, try and reduce the part of it |
---|
| 1917 | * that corresponds to the full path of this package into its |
---|
| 1918 | * normal form ${<PACKAGE>ROOT} |
---|
| 1919 | * The argument is modified if the pattern is exactly found. |
---|
| 1920 | */ |
---|
| 1921 | void Use::reduce_path (cmt_string& s) const |
---|
| 1922 | { |
---|
| 1923 | cmt_string pattern; |
---|
| 1924 | get_full_path (pattern); |
---|
| 1925 | pattern += CmtSystem::file_separator (); |
---|
| 1926 | |
---|
| 1927 | cmt_string replacement = "${"; |
---|
| 1928 | replacement += prefix; |
---|
| 1929 | replacement += "ROOT}"; |
---|
| 1930 | |
---|
| 1931 | s.replace (pattern, replacement); |
---|
| 1932 | } |
---|
| 1933 | |
---|
| 1934 | //---------------------------------------------------------- |
---|
| 1935 | void Use::fill_includes_macro (cmt_string& buffer) const |
---|
| 1936 | { |
---|
| 1937 | if (include_path == "") |
---|
| 1938 | { |
---|
| 1939 | buffer += "$(ppcmd)\"$("; |
---|
| 1940 | buffer += package; |
---|
| 1941 | buffer += "_root)"; |
---|
| 1942 | buffer += CmtSystem::file_separator (); |
---|
| 1943 | buffer += "src\" "; |
---|
| 1944 | } |
---|
| 1945 | else if (include_path != "none") |
---|
| 1946 | { |
---|
| 1947 | buffer += "$(ppcmd)\""; |
---|
| 1948 | buffer += include_path; |
---|
| 1949 | buffer += "\" "; |
---|
| 1950 | } |
---|
| 1951 | |
---|
| 1952 | for (int i = 0; i < includes.size (); i++) |
---|
| 1953 | { |
---|
| 1954 | Include& incl = includes[i]; |
---|
| 1955 | |
---|
| 1956 | buffer += "$(ppcmd)\""; |
---|
| 1957 | buffer += incl.name; |
---|
| 1958 | buffer += "\" "; |
---|
| 1959 | } |
---|
| 1960 | } |
---|
| 1961 | |
---|
| 1962 | //---------------------------------------------------------- |
---|
| 1963 | void Use::fill_macro (cmt_string& buffer, const cmt_string& suffix) const |
---|
| 1964 | { |
---|
| 1965 | buffer += " $("; |
---|
| 1966 | buffer += package; |
---|
| 1967 | buffer += "_"; |
---|
| 1968 | buffer += suffix; |
---|
| 1969 | buffer += ") "; |
---|
| 1970 | } |
---|
| 1971 | |
---|
| 1972 | /** |
---|
| 1973 | * This function tries to get the replacement of a Use when it has |
---|
| 1974 | * been discarded by a better match to version constraints. |
---|
| 1975 | */ |
---|
| 1976 | Use* Use::get_selected_version () |
---|
| 1977 | { |
---|
| 1978 | static Use::UsePtrVector& Uses = uses (); |
---|
| 1979 | |
---|
| 1980 | //cout << "get_selected_version for package " << package << endl; |
---|
| 1981 | |
---|
| 1982 | if (!discarded) return (this); |
---|
| 1983 | |
---|
| 1984 | for (int i = 0; i < Uses.size (); i++) |
---|
| 1985 | { |
---|
| 1986 | Use* u = Uses[i]; |
---|
| 1987 | if (u == 0) continue; |
---|
| 1988 | if (u->discarded) continue; |
---|
| 1989 | if (u->package == package) |
---|
| 1990 | { |
---|
| 1991 | //cout << " got a version" << endl; |
---|
| 1992 | return (u); |
---|
| 1993 | } |
---|
| 1994 | } |
---|
| 1995 | |
---|
| 1996 | return (0); |
---|
| 1997 | } |
---|
| 1998 | |
---|
| 1999 | void Use::set_auto_imports (State new_state) |
---|
| 2000 | { |
---|
| 2001 | if (Cmt::get_debug ()) |
---|
| 2002 | { |
---|
| 2003 | cout << "Use::set_auto_imports>(" << package << ") " |
---|
| 2004 | << auto_imports << " -> " << new_state << endl; |
---|
| 2005 | } |
---|
| 2006 | |
---|
| 2007 | if (auto_imports == new_state) return; |
---|
| 2008 | |
---|
| 2009 | State old_state = auto_imports; |
---|
| 2010 | |
---|
| 2011 | auto_imports = new_state; |
---|
| 2012 | |
---|
| 2013 | // We propagate only when we switch from Off to On |
---|
| 2014 | |
---|
| 2015 | if ((old_state == Off) && (new_state == On)) |
---|
| 2016 | { |
---|
| 2017 | cmt_string s; |
---|
| 2018 | static const cmt_string state_text[] = {"Unspecified", "Off", "On"}; |
---|
| 2019 | |
---|
| 2020 | if (Cmt::get_debug ()) |
---|
| 2021 | { |
---|
| 2022 | s = "Use::set_auto_imports>("; |
---|
| 2023 | s += package; |
---|
| 2024 | s += ") "; |
---|
| 2025 | |
---|
| 2026 | cout << s << endl; |
---|
| 2027 | } |
---|
| 2028 | |
---|
| 2029 | for (int i = 0; i < sub_uses.size (); i++) |
---|
| 2030 | { |
---|
| 2031 | Use* u = sub_uses[i]; |
---|
| 2032 | State state = sub_use_auto_imports[i]; |
---|
| 2033 | |
---|
| 2034 | if (Cmt::get_debug ()) |
---|
| 2035 | { |
---|
| 2036 | s += " "; |
---|
| 2037 | s += u->package; |
---|
| 2038 | s += "("; |
---|
| 2039 | s += state_text[state]; |
---|
| 2040 | s += ")"; |
---|
| 2041 | } |
---|
| 2042 | |
---|
| 2043 | if (state == Unspecified) |
---|
| 2044 | { |
---|
| 2045 | u->set_auto_imports (On); |
---|
| 2046 | } |
---|
| 2047 | } |
---|
| 2048 | |
---|
| 2049 | if (Cmt::get_debug ()) |
---|
| 2050 | { |
---|
| 2051 | cout << s << endl; |
---|
| 2052 | } |
---|
| 2053 | } |
---|
| 2054 | } |
---|
| 2055 | |
---|
| 2056 | void Use::set_native_version (bool state) |
---|
| 2057 | { |
---|
| 2058 | m_has_native_version = state; |
---|
| 2059 | } |
---|
| 2060 | |
---|
| 2061 | bool Use::has_native_version () const |
---|
| 2062 | { |
---|
| 2063 | return (m_has_native_version); |
---|
| 2064 | } |
---|
| 2065 | |
---|
| 2066 | //---------------------------------------------------------- |
---|
| 2067 | bool Use::get_paths (Use* to, UsePtrVector& list) |
---|
| 2068 | { |
---|
| 2069 | bool found = false; |
---|
| 2070 | bool cycle = false; |
---|
| 2071 | |
---|
| 2072 | static int level = 0; |
---|
| 2073 | static UsePtrVector stack; |
---|
| 2074 | |
---|
| 2075 | if (level == 0) |
---|
| 2076 | { |
---|
| 2077 | stack.clear (); |
---|
| 2078 | } |
---|
| 2079 | |
---|
| 2080 | // Protect against cycles. |
---|
| 2081 | for (int k = 0; k < stack.size (); k++) |
---|
| 2082 | { |
---|
| 2083 | Use* u = stack[k]; |
---|
| 2084 | if (u == this) |
---|
| 2085 | { |
---|
| 2086 | if (Cmt::get_debug ()) |
---|
| 2087 | { |
---|
| 2088 | cout << "Use::get_paths." << level << ">" << package << " cycle " << endl; |
---|
| 2089 | } |
---|
| 2090 | |
---|
| 2091 | return (false); |
---|
| 2092 | } |
---|
| 2093 | } |
---|
| 2094 | |
---|
| 2095 | // Save this to the protection stack. |
---|
| 2096 | if (stack.size () <= level) |
---|
| 2097 | { |
---|
| 2098 | stack.push_back (this); |
---|
| 2099 | } |
---|
| 2100 | else |
---|
| 2101 | { |
---|
| 2102 | stack[level] = this; |
---|
| 2103 | } |
---|
| 2104 | |
---|
| 2105 | // First figure out whether 'to' is used by 'this'. |
---|
| 2106 | |
---|
| 2107 | if (Cmt::get_debug ()) |
---|
| 2108 | { |
---|
| 2109 | cout << "Use::get_paths." << level << ">" << package << " to=" << to->package << " list[" << list.size () << "]" << endl; |
---|
| 2110 | } |
---|
| 2111 | |
---|
| 2112 | if (this == to) |
---|
| 2113 | { |
---|
| 2114 | found = true; |
---|
| 2115 | } |
---|
| 2116 | else |
---|
| 2117 | { |
---|
| 2118 | for (int n = 0; n < sub_uses.size (); n++) |
---|
| 2119 | { |
---|
| 2120 | Use* use = sub_uses[n]; |
---|
| 2121 | |
---|
| 2122 | if (use == 0) continue; |
---|
| 2123 | |
---|
| 2124 | if (Cmt::get_debug ()) |
---|
| 2125 | { |
---|
| 2126 | cout << " Use::get_paths." << level << "> try1 sub=" << use->package << endl; |
---|
| 2127 | } |
---|
| 2128 | |
---|
| 2129 | if (use->discarded) |
---|
| 2130 | { |
---|
| 2131 | Use* u; |
---|
| 2132 | |
---|
| 2133 | u = use->get_selected_version (); |
---|
| 2134 | if (u == 0) continue; |
---|
| 2135 | |
---|
| 2136 | use = u; |
---|
| 2137 | } |
---|
| 2138 | |
---|
| 2139 | cycle = false; |
---|
| 2140 | |
---|
| 2141 | // This use must not be already in the list (protection against cycles) |
---|
| 2142 | |
---|
| 2143 | for (int m = 0; m < list.size (); m++) |
---|
| 2144 | { |
---|
| 2145 | Use* u = list[m]; |
---|
| 2146 | if (u == use) |
---|
| 2147 | { |
---|
| 2148 | cycle = true; |
---|
| 2149 | break; |
---|
| 2150 | } |
---|
| 2151 | } |
---|
| 2152 | |
---|
| 2153 | if (cycle) |
---|
| 2154 | { |
---|
| 2155 | found = true; |
---|
| 2156 | continue; |
---|
| 2157 | } |
---|
| 2158 | |
---|
| 2159 | if (Cmt::get_debug ()) |
---|
| 2160 | { |
---|
| 2161 | cout << " Use::get_paths." << level << "> try2 sub=" << use->package << endl; |
---|
| 2162 | } |
---|
| 2163 | |
---|
| 2164 | level++; |
---|
| 2165 | bool r = use->get_paths (to, list); |
---|
| 2166 | level--; |
---|
| 2167 | |
---|
| 2168 | if (r) |
---|
| 2169 | { |
---|
| 2170 | found = true; |
---|
| 2171 | } |
---|
| 2172 | } |
---|
| 2173 | } |
---|
| 2174 | |
---|
| 2175 | if (found) |
---|
| 2176 | { |
---|
| 2177 | cycle = false; |
---|
| 2178 | |
---|
| 2179 | for (int m = 0; m < list.size (); m++) |
---|
| 2180 | { |
---|
| 2181 | Use* u = list[m]; |
---|
| 2182 | if (u == this) |
---|
| 2183 | { |
---|
| 2184 | cycle = true; |
---|
| 2185 | break; |
---|
| 2186 | } |
---|
| 2187 | } |
---|
| 2188 | |
---|
| 2189 | if (!cycle) |
---|
| 2190 | { |
---|
| 2191 | if (Cmt::get_debug ()) |
---|
| 2192 | { |
---|
| 2193 | cout << "Use::get_paths." << level << "> push " << package << endl; |
---|
| 2194 | } |
---|
| 2195 | list.push_back (this); |
---|
| 2196 | } |
---|
| 2197 | } |
---|
| 2198 | |
---|
| 2199 | return (found); |
---|
| 2200 | } |
---|
| 2201 | |
---|
| 2202 | //---------------------------------------------------------- |
---|
| 2203 | bool Use::located () const |
---|
| 2204 | { |
---|
| 2205 | return (m_located); |
---|
| 2206 | } |
---|
| 2207 | |
---|
| 2208 | //---------------------------------------------------------- |
---|
| 2209 | void Use::show_sub_uses (bool skip_discarded) |
---|
| 2210 | { |
---|
| 2211 | int n; |
---|
| 2212 | Use* use; |
---|
| 2213 | static int level = 0; |
---|
| 2214 | |
---|
| 2215 | if (skip_discarded && discarded) return; |
---|
| 2216 | |
---|
| 2217 | if (level > 0) |
---|
| 2218 | { |
---|
| 2219 | cout << "# "; |
---|
| 2220 | for (n = 0; n < (level-1); n++) cout << " "; |
---|
| 2221 | |
---|
| 2222 | cout << "use " << package << " " << specified_version; |
---|
| 2223 | |
---|
| 2224 | if (specified_path != "") cout << " " << specified_path; |
---|
| 2225 | |
---|
| 2226 | if (version_alias != "") |
---|
| 2227 | { |
---|
| 2228 | cout << " | " << version_alias << " " << path_alias; |
---|
| 2229 | } |
---|
| 2230 | |
---|
| 2231 | if (scope == ScopeUnspecified) cout << " unspecified"; |
---|
| 2232 | else if (scope != ScopePublic) cout << " (private)"; |
---|
| 2233 | //else cout << " private"; |
---|
| 2234 | |
---|
| 2235 | if (auto_imports == Off) cout << " (no_auto_imports)"; |
---|
| 2236 | |
---|
| 2237 | if (m_has_native_version) |
---|
| 2238 | { |
---|
| 2239 | cmt_string n = package; |
---|
| 2240 | n += "_native_version"; |
---|
| 2241 | |
---|
| 2242 | Symbol* s = Symbol::find (n); |
---|
| 2243 | if (s != 0) |
---|
| 2244 | { |
---|
| 2245 | cmt_string value = s->resolve_macro_value (); |
---|
| 2246 | cout << " (native_version=" << value << ")"; |
---|
| 2247 | } |
---|
| 2248 | } |
---|
| 2249 | |
---|
| 2250 | cout << endl; |
---|
| 2251 | } |
---|
| 2252 | |
---|
| 2253 | if (selected) return; |
---|
| 2254 | selected = true; |
---|
| 2255 | |
---|
| 2256 | level++; |
---|
| 2257 | for (n = 0; n < sub_uses.size (); n++) |
---|
| 2258 | { |
---|
| 2259 | use = sub_uses[n]; |
---|
| 2260 | if (use == 0) continue; |
---|
| 2261 | |
---|
| 2262 | ScopeType saved_scope = use->scope; |
---|
| 2263 | State saved_state = use->auto_imports; |
---|
| 2264 | |
---|
| 2265 | use->scope = sub_use_scopes[n]; |
---|
| 2266 | use->auto_imports = sub_use_auto_imports[n]; |
---|
| 2267 | |
---|
| 2268 | use->show_sub_uses (skip_discarded); |
---|
| 2269 | |
---|
| 2270 | use->scope = saved_scope; |
---|
| 2271 | use->auto_imports = saved_state; |
---|
| 2272 | } |
---|
| 2273 | level--; |
---|
| 2274 | } |
---|
| 2275 | |
---|
| 2276 | //---------------------------------------------------------- |
---|
| 2277 | Use& Use::current () |
---|
| 2278 | { |
---|
| 2279 | static UseVector& AllUses = all_uses (); |
---|
| 2280 | static Use* current_use = 0; |
---|
| 2281 | |
---|
| 2282 | if ((current_use == 0) || (AllUses.size () == 0)) |
---|
| 2283 | { |
---|
| 2284 | Use& use_object = AllUses.add (); |
---|
| 2285 | current_use = &use_object; |
---|
| 2286 | } |
---|
| 2287 | |
---|
| 2288 | return (*current_use); |
---|
| 2289 | } |
---|
| 2290 | |
---|
| 2291 | //---------------------------------------------------------- |
---|
| 2292 | const Use& Use::const_current () |
---|
| 2293 | { |
---|
| 2294 | const Use& use = Use::current (); |
---|
| 2295 | |
---|
| 2296 | return (use); |
---|
| 2297 | } |
---|
| 2298 | |
---|
| 2299 | //---------------------------------------------------------- |
---|
| 2300 | Use::UseVector& Use::all_uses () |
---|
| 2301 | { |
---|
| 2302 | static Database& db = Database::instance (); |
---|
| 2303 | static UseVector& AllUses = db.all_uses (); |
---|
| 2304 | |
---|
| 2305 | return (AllUses); |
---|
| 2306 | } |
---|
| 2307 | |
---|
| 2308 | //---------------------------------------------------------- |
---|
| 2309 | Use::UsePtrVector& Use::uses () |
---|
| 2310 | { |
---|
| 2311 | static Database& db = Database::instance (); |
---|
| 2312 | static UsePtrVector& Uses = db.uses (); |
---|
| 2313 | |
---|
| 2314 | return (Uses); |
---|
| 2315 | } |
---|
| 2316 | |
---|
| 2317 | //---------------------------------------------------------- |
---|
| 2318 | VersionSelector& VersionSelector::instance () |
---|
| 2319 | { |
---|
| 2320 | static BestFitSelector best_fit; |
---|
| 2321 | static BestFitNoCheckSelector best_fit_no_check; |
---|
| 2322 | static FirstChoiceSelector first_choice; |
---|
| 2323 | static LastChoiceSelector last_choice; |
---|
| 2324 | static KeepAllSelector keep_all; |
---|
| 2325 | |
---|
| 2326 | switch (Cmt::get_current_strategy ()) |
---|
| 2327 | { |
---|
| 2328 | case BestFit: |
---|
| 2329 | return (best_fit); |
---|
| 2330 | case BestFitNoCheck: |
---|
| 2331 | return (best_fit_no_check); |
---|
| 2332 | case FirstChoice: |
---|
| 2333 | return (first_choice); |
---|
| 2334 | case LastChoice: |
---|
| 2335 | return (last_choice); |
---|
| 2336 | case KeepAll: |
---|
| 2337 | return (keep_all); |
---|
| 2338 | default: |
---|
| 2339 | return (best_fit); |
---|
| 2340 | } |
---|
| 2341 | } |
---|
| 2342 | |
---|
| 2343 | //---------------------------------------------------------- |
---|
| 2344 | // |
---|
| 2345 | // Check if the specified version is better than the |
---|
| 2346 | // current one. |
---|
| 2347 | // |
---|
| 2348 | //---------------------------------------------------------- |
---|
| 2349 | Use* BestFitSelector::operate (Use* ref_use, Use* new_use) |
---|
| 2350 | { |
---|
| 2351 | Use* selected = ref_use; |
---|
| 2352 | |
---|
| 2353 | int old_v = -1; |
---|
| 2354 | int old_r = -1; |
---|
| 2355 | int old_p = -1; |
---|
| 2356 | cmt_string old_pp; |
---|
| 2357 | |
---|
| 2358 | int new_v = -1; |
---|
| 2359 | int new_r = -1; |
---|
| 2360 | int new_p = -1; |
---|
| 2361 | cmt_string new_pp; |
---|
| 2362 | |
---|
| 2363 | int alias_v = -1; |
---|
| 2364 | int alias_r = -1; |
---|
| 2365 | int alias_p = -1; |
---|
| 2366 | cmt_string alias_pp; |
---|
| 2367 | |
---|
| 2368 | enum { no_alias, new_has_alias, ref_has_alias } has_alias = no_alias; |
---|
| 2369 | |
---|
| 2370 | CmtSystem::is_version_directory (ref_use->version, old_v, old_r, old_p); |
---|
| 2371 | old_pp = ref_use->path; |
---|
| 2372 | |
---|
| 2373 | CmtSystem::is_version_directory (new_use->version, new_v, new_r, new_p); |
---|
| 2374 | new_pp = new_use->path; |
---|
| 2375 | |
---|
| 2376 | if (new_use->version_alias != "") |
---|
| 2377 | { |
---|
| 2378 | has_alias = new_has_alias; |
---|
| 2379 | CmtSystem::is_version_directory (new_use->version_alias, |
---|
| 2380 | alias_v, alias_r, alias_p); |
---|
| 2381 | alias_pp = new_use->path_alias; |
---|
| 2382 | } |
---|
| 2383 | else if (ref_use->version_alias != "") |
---|
| 2384 | { |
---|
| 2385 | has_alias = ref_has_alias; |
---|
| 2386 | CmtSystem::is_version_directory (ref_use->version_alias, |
---|
| 2387 | alias_v, alias_r, alias_p); |
---|
| 2388 | alias_pp = ref_use->path_alias; |
---|
| 2389 | } |
---|
| 2390 | |
---|
| 2391 | ref_use->undiscard (); |
---|
| 2392 | new_use->undiscard (); |
---|
| 2393 | |
---|
| 2394 | if (new_v != old_v) |
---|
| 2395 | { |
---|
| 2396 | if (has_alias != no_alias) |
---|
| 2397 | { |
---|
| 2398 | if (has_alias == new_has_alias) |
---|
| 2399 | { |
---|
| 2400 | new_v = alias_v; |
---|
| 2401 | new_r = alias_r; |
---|
| 2402 | new_p = alias_p; |
---|
| 2403 | new_pp = alias_pp; |
---|
| 2404 | } |
---|
| 2405 | else if (has_alias == ref_has_alias) |
---|
| 2406 | { |
---|
| 2407 | old_v = alias_v; |
---|
| 2408 | old_r = alias_r; |
---|
| 2409 | old_p = alias_p; |
---|
| 2410 | old_pp = alias_pp; |
---|
| 2411 | } |
---|
| 2412 | } |
---|
| 2413 | } |
---|
| 2414 | |
---|
| 2415 | if (new_v != old_v) |
---|
| 2416 | { |
---|
| 2417 | if (!Cmt::get_quiet ()) |
---|
| 2418 | cout << "# Required version " << new_use->version << |
---|
| 2419 | " of package " << ref_use->package << |
---|
| 2420 | " incompatible with selected version " << ref_use->version << |
---|
| 2421 | endl; |
---|
| 2422 | |
---|
| 2423 | CmtError::set (CmtError::version_conflict, "BestFitSelector::operate> "); |
---|
| 2424 | |
---|
| 2425 | if (ref_use != new_use) new_use->discard (); |
---|
| 2426 | } |
---|
| 2427 | else if (new_r < old_r) |
---|
| 2428 | { |
---|
| 2429 | // |
---|
| 2430 | // we plan to discard new_use, but if it was specified as explicit |
---|
| 2431 | // and ref_use was wildcarded then new_use will win !! |
---|
| 2432 | // |
---|
| 2433 | // So then we'll have to understand where are the wild |
---|
| 2434 | // cards... If they are on v or r, then we consider them. |
---|
| 2435 | // |
---|
| 2436 | // |
---|
| 2437 | |
---|
| 2438 | |
---|
| 2439 | bool new_is_wildcarded = false; |
---|
| 2440 | bool ref_is_wildcarded = false; |
---|
| 2441 | |
---|
| 2442 | if (new_use->specified_version.find ("*") != cmt_string::npos) |
---|
| 2443 | { |
---|
| 2444 | int nv = -1; |
---|
| 2445 | int nr = -1; |
---|
| 2446 | int np = -1; |
---|
| 2447 | |
---|
| 2448 | CmtSystem::is_version_directory (new_use->specified_version, nv, nr, np); |
---|
| 2449 | if ((nv == -1) || (nr == -1)) new_is_wildcarded = true; |
---|
| 2450 | } |
---|
| 2451 | |
---|
| 2452 | if (ref_use->specified_version.find ("*") != cmt_string::npos) |
---|
| 2453 | { |
---|
| 2454 | int nv = -1; |
---|
| 2455 | int nr = -1; |
---|
| 2456 | int np = -1; |
---|
| 2457 | |
---|
| 2458 | CmtSystem::is_version_directory (ref_use->specified_version, nv, nr, np); |
---|
| 2459 | if ((nv == -1) || (nr == -1)) new_is_wildcarded = true; |
---|
| 2460 | } |
---|
| 2461 | |
---|
| 2462 | if (!ref_is_wildcarded && new_is_wildcarded) |
---|
| 2463 | { |
---|
| 2464 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2465 | selected = new_use; |
---|
| 2466 | selected->done = false; // Will read the new requirements |
---|
| 2467 | } |
---|
| 2468 | else |
---|
| 2469 | { |
---|
| 2470 | if (!Cmt::get_quiet ()) |
---|
| 2471 | cout << "# keep release " << ref_use->version << |
---|
| 2472 | " of package " << ref_use->package << |
---|
| 2473 | " (ignore release " << new_use->version << ")" << |
---|
| 2474 | endl; |
---|
| 2475 | |
---|
| 2476 | if (ref_use != new_use) new_use->discard (); |
---|
| 2477 | } |
---|
| 2478 | } |
---|
| 2479 | else if (new_r > old_r) |
---|
| 2480 | { |
---|
| 2481 | if (!Cmt::get_quiet ()) |
---|
| 2482 | { |
---|
| 2483 | cout << "# Select release " << new_use->version << |
---|
| 2484 | " of package " << ref_use->package << |
---|
| 2485 | " instead of existing " << ref_use->version << |
---|
| 2486 | endl; |
---|
| 2487 | } |
---|
| 2488 | |
---|
| 2489 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2490 | selected = new_use; |
---|
| 2491 | selected->done = false; // Will read the new requirements |
---|
| 2492 | } |
---|
| 2493 | else if (new_p > old_p) |
---|
| 2494 | { |
---|
| 2495 | if (!Cmt::get_quiet ()) |
---|
| 2496 | { |
---|
| 2497 | cout << "# Select patch " << new_use->version << |
---|
| 2498 | " of package " << ref_use->package << |
---|
| 2499 | " instead of existing " << ref_use->version << |
---|
| 2500 | endl; |
---|
| 2501 | } |
---|
| 2502 | |
---|
| 2503 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2504 | selected = new_use; |
---|
| 2505 | selected->done = false; // Will read the new requirements |
---|
| 2506 | } |
---|
| 2507 | else if (new_pp != old_pp) // same version-r-p but from different path |
---|
| 2508 | { |
---|
| 2509 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2510 | selected = new_use; |
---|
| 2511 | selected->done = false; // Will read the new requirements |
---|
| 2512 | } |
---|
| 2513 | |
---|
| 2514 | return (selected); |
---|
| 2515 | } |
---|
| 2516 | |
---|
| 2517 | //---------------------------------------------------------- |
---|
| 2518 | // |
---|
| 2519 | // Check if the specified version is better than the |
---|
| 2520 | // current one. We don't check major ids incompatibilities |
---|
| 2521 | // |
---|
| 2522 | //---------------------------------------------------------- |
---|
| 2523 | Use* BestFitNoCheckSelector::operate (Use* ref_use, Use* new_use) |
---|
| 2524 | { |
---|
| 2525 | Use* selected = ref_use; |
---|
| 2526 | |
---|
| 2527 | int old_v = -1; |
---|
| 2528 | int old_r = -1; |
---|
| 2529 | int old_p = -1; |
---|
| 2530 | cmt_string old_pp; |
---|
| 2531 | |
---|
| 2532 | int new_v = -1; |
---|
| 2533 | int new_r = -1; |
---|
| 2534 | int new_p = -1; |
---|
| 2535 | cmt_string new_pp; |
---|
| 2536 | |
---|
| 2537 | int alias_v = -1; |
---|
| 2538 | int alias_r = -1; |
---|
| 2539 | int alias_p = -1; |
---|
| 2540 | cmt_string alias_pp; |
---|
| 2541 | |
---|
| 2542 | enum { no_alias, new_has_alias, ref_has_alias } has_alias = no_alias; |
---|
| 2543 | |
---|
| 2544 | CmtSystem::is_version_directory (ref_use->version, old_v, old_r, old_p); |
---|
| 2545 | old_pp = ref_use->path; |
---|
| 2546 | |
---|
| 2547 | CmtSystem::is_version_directory (new_use->version, new_v, new_r, new_p); |
---|
| 2548 | new_pp = new_use->path; |
---|
| 2549 | |
---|
| 2550 | if (new_use->version_alias != "") |
---|
| 2551 | { |
---|
| 2552 | has_alias = new_has_alias; |
---|
| 2553 | CmtSystem::is_version_directory (new_use->version_alias, |
---|
| 2554 | alias_v, alias_r, alias_p); |
---|
| 2555 | alias_pp = new_use->path_alias; |
---|
| 2556 | } |
---|
| 2557 | else if (ref_use->version_alias != "") |
---|
| 2558 | { |
---|
| 2559 | has_alias = ref_has_alias; |
---|
| 2560 | CmtSystem::is_version_directory (ref_use->version_alias, |
---|
| 2561 | alias_v, alias_r, alias_p); |
---|
| 2562 | alias_pp = ref_use->path_alias; |
---|
| 2563 | } |
---|
| 2564 | |
---|
| 2565 | ref_use->undiscard (); |
---|
| 2566 | new_use->undiscard (); |
---|
| 2567 | |
---|
| 2568 | if (new_v != old_v) |
---|
| 2569 | { |
---|
| 2570 | if (has_alias != no_alias) |
---|
| 2571 | { |
---|
| 2572 | if (has_alias == new_has_alias) |
---|
| 2573 | { |
---|
| 2574 | new_v = alias_v; |
---|
| 2575 | new_r = alias_r; |
---|
| 2576 | new_p = alias_p; |
---|
| 2577 | new_pp = alias_pp; |
---|
| 2578 | } |
---|
| 2579 | else if (has_alias == ref_has_alias) |
---|
| 2580 | { |
---|
| 2581 | old_v = alias_v; |
---|
| 2582 | old_r = alias_r; |
---|
| 2583 | old_p = alias_p; |
---|
| 2584 | old_pp = alias_pp; |
---|
| 2585 | } |
---|
| 2586 | } |
---|
| 2587 | } |
---|
| 2588 | |
---|
| 2589 | if (new_v < old_v) |
---|
| 2590 | { |
---|
| 2591 | if (!Cmt::get_quiet ()) |
---|
| 2592 | { |
---|
| 2593 | cout << "# Keep version " << ref_use->version << |
---|
| 2594 | " of package " << ref_use->package << |
---|
| 2595 | " (ignore version " << new_use->version << ")" << |
---|
| 2596 | endl; |
---|
| 2597 | } |
---|
| 2598 | |
---|
| 2599 | if (ref_use != new_use) new_use->discard (); |
---|
| 2600 | } |
---|
| 2601 | else if (new_v > old_v) |
---|
| 2602 | { |
---|
| 2603 | if (!Cmt::get_quiet ()) |
---|
| 2604 | { |
---|
| 2605 | cout << "# Select version " << new_use->version << |
---|
| 2606 | " of package " << ref_use->package << |
---|
| 2607 | " instead of existing " << ref_use->version << |
---|
| 2608 | endl; |
---|
| 2609 | } |
---|
| 2610 | |
---|
| 2611 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2612 | selected = new_use; |
---|
| 2613 | selected->done = false; // Will read the new requirements |
---|
| 2614 | } |
---|
| 2615 | else if (new_r < old_r) |
---|
| 2616 | { |
---|
| 2617 | if (!Cmt::get_quiet ()) |
---|
| 2618 | { |
---|
| 2619 | cout << "# keep release " << ref_use->version << |
---|
| 2620 | " of package " << ref_use->package << |
---|
| 2621 | " (ignore release " << new_use->version << ")" << |
---|
| 2622 | endl; |
---|
| 2623 | } |
---|
| 2624 | |
---|
| 2625 | if (ref_use != new_use) new_use->discard (); |
---|
| 2626 | } |
---|
| 2627 | else if (new_r > old_r) |
---|
| 2628 | { |
---|
| 2629 | if (!Cmt::get_quiet ()) |
---|
| 2630 | { |
---|
| 2631 | cout << "# Select release " << new_use->version << |
---|
| 2632 | " of package " << ref_use->package << |
---|
| 2633 | " instead of existing " << ref_use->version << |
---|
| 2634 | endl; |
---|
| 2635 | } |
---|
| 2636 | |
---|
| 2637 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2638 | selected = new_use; |
---|
| 2639 | selected->done = false; // Will read the new requirements |
---|
| 2640 | } |
---|
| 2641 | else if (new_p > old_p) |
---|
| 2642 | { |
---|
| 2643 | if (!Cmt::get_quiet ()) |
---|
| 2644 | { |
---|
| 2645 | cout << "# Select patch " << new_use->version << |
---|
| 2646 | " of package " << ref_use->package << |
---|
| 2647 | " instead of existing " << ref_use->version << |
---|
| 2648 | endl; |
---|
| 2649 | } |
---|
| 2650 | |
---|
| 2651 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2652 | selected = new_use; |
---|
| 2653 | selected->done = false; // Will read the new requirements |
---|
| 2654 | } |
---|
| 2655 | else if (new_pp != old_pp) // same version-r-p but from different path |
---|
| 2656 | { |
---|
| 2657 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2658 | selected = new_use; |
---|
| 2659 | selected->done = false; // Will read the new requirements |
---|
| 2660 | } |
---|
| 2661 | |
---|
| 2662 | return (selected); |
---|
| 2663 | } |
---|
| 2664 | |
---|
| 2665 | //---------------------------------------------------------- |
---|
| 2666 | Use* FirstChoiceSelector::operate (Use* ref_use, Use* new_use) |
---|
| 2667 | { |
---|
| 2668 | ref_use->undiscard (); |
---|
| 2669 | new_use->undiscard (); |
---|
| 2670 | |
---|
| 2671 | new_use->done = false; // Will read the new requirements |
---|
| 2672 | if (ref_use != new_use) new_use->discard (); |
---|
| 2673 | return (ref_use); |
---|
| 2674 | } |
---|
| 2675 | |
---|
| 2676 | //---------------------------------------------------------- |
---|
| 2677 | Use* LastChoiceSelector::operate (Use* ref_use, Use* new_use) |
---|
| 2678 | { |
---|
| 2679 | ref_use->undiscard (); |
---|
| 2680 | new_use->undiscard (); |
---|
| 2681 | |
---|
| 2682 | new_use->done = false; // Will read the new requirements |
---|
| 2683 | if (ref_use != new_use) ref_use->discard (); |
---|
| 2684 | return (new_use); |
---|
| 2685 | } |
---|
| 2686 | |
---|
| 2687 | //---------------------------------------------------------- |
---|
| 2688 | Use* KeepAllSelector::operate (Use* ref_use, Use* new_use) |
---|
| 2689 | { |
---|
| 2690 | ref_use->undiscard (); |
---|
| 2691 | new_use->undiscard (); |
---|
| 2692 | |
---|
| 2693 | new_use->done = false; // Will read the new requirements |
---|
| 2694 | return (new_use); |
---|
| 2695 | } |
---|