targ.c revision 1.45
1 /* $NetBSD: targ.c,v 1.45 2006/11/17 22:07:39 dsl Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1989, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Adam de Boor. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Copyright (c) 1989 by Berkeley Softworks 37 * All rights reserved. 38 * 39 * This code is derived from software contributed to Berkeley by 40 * Adam de Boor. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 3. All advertising materials mentioning features or use of this software 51 * must display the following acknowledgement: 52 * This product includes software developed by the University of 53 * California, Berkeley and its contributors. 54 * 4. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 */ 70 71 #ifndef MAKE_NATIVE 72 static char rcsid[] = "$NetBSD: targ.c,v 1.45 2006/11/17 22:07:39 dsl Exp $"; 73 #else 74 #include <sys/cdefs.h> 75 #ifndef lint 76 #if 0 77 static char sccsid[] = "@(#)targ.c 8.2 (Berkeley) 3/19/94"; 78 #else 79 __RCSID("$NetBSD: targ.c,v 1.45 2006/11/17 22:07:39 dsl Exp $"); 80 #endif 81 #endif /* not lint */ 82 #endif 83 84 /*- 85 * targ.c -- 86 * Functions for maintaining the Lst allTargets. Target nodes are 87 * kept in two structures: a Lst, maintained by the list library, and a 88 * hash table, maintained by the hash library. 89 * 90 * Interface: 91 * Targ_Init Initialization procedure. 92 * 93 * Targ_End Cleanup the module 94 * 95 * Targ_List Return the list of all targets so far. 96 * 97 * Targ_NewGN Create a new GNode for the passed target 98 * (string). The node is *not* placed in the 99 * hash table, though all its fields are 100 * initialized. 101 * 102 * Targ_FindNode Find the node for a given target, creating 103 * and storing it if it doesn't exist and the 104 * flags are right (TARG_CREATE) 105 * 106 * Targ_FindList Given a list of names, find nodes for all 107 * of them. If a name doesn't exist and the 108 * TARG_NOCREATE flag was given, an error message 109 * is printed. Else, if a name doesn't exist, 110 * its node is created. 111 * 112 * Targ_Ignore Return TRUE if errors should be ignored when 113 * creating the given target. 114 * 115 * Targ_Silent Return TRUE if we should be silent when 116 * creating the given target. 117 * 118 * Targ_Precious Return TRUE if the target is precious and 119 * should not be removed if we are interrupted. 120 * 121 * Targ_Propagate Propagate information between related 122 * nodes. Should be called after the 123 * makefiles are parsed but before any 124 * action is taken. 125 * 126 * Debugging: 127 * Targ_PrintGraph Print out the entire graphm all variables 128 * and statistics for the directory cache. Should 129 * print something for suffixes, too, but... 130 */ 131 132 #include <stdio.h> 133 #include <time.h> 134 135 #include "make.h" 136 #include "hash.h" 137 #include "dir.h" 138 139 static Lst allTargets; /* the list of all targets found so far */ 140 #ifdef CLEANUP 141 static Lst allGNs; /* List of all the GNodes */ 142 #endif 143 static Hash_Table targets; /* a hash table of same */ 144 145 #define HTSIZE 191 /* initial size of hash table */ 146 147 static int TargPrintOnlySrc(ClientData, ClientData); 148 static int TargPrintName(ClientData, ClientData); 149 #ifdef CLEANUP 150 static void TargFreeGN(ClientData); 151 #endif 152 static int TargPropagateCohort(ClientData, ClientData); 153 static int TargPropagateNode(ClientData, ClientData); 154 155 /*- 156 *----------------------------------------------------------------------- 157 * Targ_Init -- 158 * Initialize this module 159 * 160 * Results: 161 * None 162 * 163 * Side Effects: 164 * The allTargets list and the targets hash table are initialized 165 *----------------------------------------------------------------------- 166 */ 167 void 168 Targ_Init(void) 169 { 170 allTargets = Lst_Init(FALSE); 171 Hash_InitTable(&targets, HTSIZE); 172 } 173 174 /*- 175 *----------------------------------------------------------------------- 176 * Targ_End -- 177 * Finalize this module 178 * 179 * Results: 180 * None 181 * 182 * Side Effects: 183 * All lists and gnodes are cleared 184 *----------------------------------------------------------------------- 185 */ 186 void 187 Targ_End(void) 188 { 189 #ifdef CLEANUP 190 Lst_Destroy(allTargets, NOFREE); 191 if (allGNs) 192 Lst_Destroy(allGNs, TargFreeGN); 193 Hash_DeleteTable(&targets); 194 #endif 195 } 196 197 /*- 198 *----------------------------------------------------------------------- 199 * Targ_List -- 200 * Return the list of all targets 201 * 202 * Results: 203 * The list of all targets. 204 * 205 * Side Effects: 206 * None 207 *----------------------------------------------------------------------- 208 */ 209 Lst 210 Targ_List(void) 211 { 212 return allTargets; 213 } 214 215 /*- 216 *----------------------------------------------------------------------- 217 * Targ_NewGN -- 218 * Create and initialize a new graph node 219 * 220 * Input: 221 * name the name to stick in the new node 222 * 223 * Results: 224 * An initialized graph node with the name field filled with a copy 225 * of the passed name 226 * 227 * Side Effects: 228 * The gnode is added to the list of all gnodes. 229 *----------------------------------------------------------------------- 230 */ 231 GNode * 232 Targ_NewGN(const char *name) 233 { 234 GNode *gn; 235 236 gn = emalloc(sizeof(GNode)); 237 gn->name = estrdup(name); 238 gn->uname = NULL; 239 gn->path = NULL; 240 if (name[0] == '-' && name[1] == 'l') { 241 gn->type = OP_LIB; 242 } else { 243 gn->type = 0; 244 } 245 gn->unmade = 0; 246 gn->unmade_cohorts = 0; 247 gn->cohort_num[0] = 0; 248 gn->centurion = NULL; 249 gn->made = UNMADE; 250 gn->flags = 0; 251 gn->mtime = gn->cmtime = 0; 252 gn->iParents = Lst_Init(FALSE); 253 gn->cohorts = Lst_Init(FALSE); 254 gn->parents = Lst_Init(FALSE); 255 gn->children = Lst_Init(FALSE); 256 gn->order_pred = Lst_Init(FALSE); 257 gn->order_succ = Lst_Init(FALSE); 258 Hash_InitTable(&gn->context, 0); 259 gn->commands = Lst_Init(FALSE); 260 gn->suffix = NULL; 261 gn->lineno = 0; 262 gn->fname = NULL; 263 264 #ifdef CLEANUP 265 if (allGNs == NULL) 266 allGNs = Lst_Init(FALSE); 267 Lst_AtEnd(allGNs, gn); 268 #endif 269 270 return (gn); 271 } 272 273 #ifdef CLEANUP 274 /*- 275 *----------------------------------------------------------------------- 276 * TargFreeGN -- 277 * Destroy a GNode 278 * 279 * Results: 280 * None. 281 * 282 * Side Effects: 283 * None. 284 *----------------------------------------------------------------------- 285 */ 286 static void 287 TargFreeGN(ClientData gnp) 288 { 289 GNode *gn = (GNode *)gnp; 290 291 292 free(gn->name); 293 if (gn->uname) 294 free(gn->uname); 295 if (gn->path) 296 free(gn->path); 297 if (gn->fname) 298 free(gn->fname); 299 300 Lst_Destroy(gn->iParents, NOFREE); 301 Lst_Destroy(gn->cohorts, NOFREE); 302 Lst_Destroy(gn->parents, NOFREE); 303 Lst_Destroy(gn->children, NOFREE); 304 Lst_Destroy(gn->order_succ, NOFREE); 305 Lst_Destroy(gn->order_pred, NOFREE); 306 Hash_DeleteTable(&gn->context); 307 Lst_Destroy(gn->commands, NOFREE); 308 free(gn); 309 } 310 #endif 311 312 313 /*- 314 *----------------------------------------------------------------------- 315 * Targ_FindNode -- 316 * Find a node in the list using the given name for matching 317 * 318 * Input: 319 * name the name to find 320 * flags flags governing events when target not 321 * found 322 * 323 * Results: 324 * The node in the list if it was. If it wasn't, return NILGNODE of 325 * flags was TARG_NOCREATE or the newly created and initialized node 326 * if it was TARG_CREATE 327 * 328 * Side Effects: 329 * Sometimes a node is created and added to the list 330 *----------------------------------------------------------------------- 331 */ 332 GNode * 333 Targ_FindNode(const char *name, int flags) 334 { 335 GNode *gn; /* node in that element */ 336 Hash_Entry *he; /* New or used hash entry for node */ 337 Boolean isNew; /* Set TRUE if Hash_CreateEntry had to create */ 338 /* an entry for the node */ 339 340 if (!(flags & (TARG_CREATE | TARG_NOHASH))) { 341 he = Hash_FindEntry(&targets, name); 342 if (he == NULL) 343 return (NILGNODE); 344 return (GNode *)Hash_GetValue(he); 345 } 346 347 if (!(flags & TARG_NOHASH)) { 348 he = Hash_CreateEntry(&targets, name, &isNew); 349 if (!isNew) 350 return (GNode *)Hash_GetValue(he); 351 } 352 353 gn = Targ_NewGN(name); 354 if (!(flags & TARG_NOHASH)) 355 Hash_SetValue(he, gn); 356 Var_Append(".ALLTARGETS", name, VAR_GLOBAL); 357 (void)Lst_AtEnd(allTargets, gn); 358 return gn; 359 } 360 361 /*- 362 *----------------------------------------------------------------------- 363 * Targ_FindList -- 364 * Make a complete list of GNodes from the given list of names 365 * 366 * Input: 367 * name list of names to find 368 * flags flags used if no node is found for a given name 369 * 370 * Results: 371 * A complete list of graph nodes corresponding to all instances of all 372 * the names in names. 373 * 374 * Side Effects: 375 * If flags is TARG_CREATE, nodes will be created for all names in 376 * names which do not yet have graph nodes. If flags is TARG_NOCREATE, 377 * an error message will be printed for each name which can't be found. 378 * ----------------------------------------------------------------------- 379 */ 380 Lst 381 Targ_FindList(Lst names, int flags) 382 { 383 Lst nodes; /* result list */ 384 LstNode ln; /* name list element */ 385 GNode *gn; /* node in tLn */ 386 char *name; 387 388 nodes = Lst_Init(FALSE); 389 390 if (Lst_Open(names) == FAILURE) { 391 return (nodes); 392 } 393 while ((ln = Lst_Next(names)) != NILLNODE) { 394 name = (char *)Lst_Datum(ln); 395 gn = Targ_FindNode(name, flags); 396 if (gn != NILGNODE) { 397 /* 398 * Note: Lst_AtEnd must come before the Lst_Concat so the nodes 399 * are added to the list in the order in which they were 400 * encountered in the makefile. 401 */ 402 (void)Lst_AtEnd(nodes, gn); 403 } else if (flags == TARG_NOCREATE) { 404 Error("\"%s\" -- target unknown.", name); 405 } 406 } 407 Lst_Close(names); 408 return (nodes); 409 } 410 411 /*- 412 *----------------------------------------------------------------------- 413 * Targ_Ignore -- 414 * Return true if should ignore errors when creating gn 415 * 416 * Input: 417 * gn node to check for 418 * 419 * Results: 420 * TRUE if should ignore errors 421 * 422 * Side Effects: 423 * None 424 *----------------------------------------------------------------------- 425 */ 426 Boolean 427 Targ_Ignore(GNode *gn) 428 { 429 if (ignoreErrors || gn->type & OP_IGNORE) { 430 return (TRUE); 431 } else { 432 return (FALSE); 433 } 434 } 435 436 /*- 437 *----------------------------------------------------------------------- 438 * Targ_Silent -- 439 * Return true if be silent when creating gn 440 * 441 * Input: 442 * gn node to check for 443 * 444 * Results: 445 * TRUE if should be silent 446 * 447 * Side Effects: 448 * None 449 *----------------------------------------------------------------------- 450 */ 451 Boolean 452 Targ_Silent(GNode *gn) 453 { 454 if (beSilent || gn->type & OP_SILENT) { 455 return (TRUE); 456 } else { 457 return (FALSE); 458 } 459 } 460 461 /*- 462 *----------------------------------------------------------------------- 463 * Targ_Precious -- 464 * See if the given target is precious 465 * 466 * Input: 467 * gn the node to check 468 * 469 * Results: 470 * TRUE if it is precious. FALSE otherwise 471 * 472 * Side Effects: 473 * None 474 *----------------------------------------------------------------------- 475 */ 476 Boolean 477 Targ_Precious(GNode *gn) 478 { 479 if (allPrecious || (gn->type & (OP_PRECIOUS|OP_DOUBLEDEP))) { 480 return (TRUE); 481 } else { 482 return (FALSE); 483 } 484 } 485 486 /******************* DEBUG INFO PRINTING ****************/ 487 488 static GNode *mainTarg; /* the main target, as set by Targ_SetMain */ 489 /*- 490 *----------------------------------------------------------------------- 491 * Targ_SetMain -- 492 * Set our idea of the main target we'll be creating. Used for 493 * debugging output. 494 * 495 * Input: 496 * gn The main target we'll create 497 * 498 * Results: 499 * None. 500 * 501 * Side Effects: 502 * "mainTarg" is set to the main target's node. 503 *----------------------------------------------------------------------- 504 */ 505 void 506 Targ_SetMain(GNode *gn) 507 { 508 mainTarg = gn; 509 } 510 511 static int 512 TargPrintName(ClientData gnp, ClientData pflags) 513 { 514 GNode *gn = (GNode *)gnp; 515 516 fprintf(debug_file, "%s%s ", gn->name, gn->cohort_num); 517 518 return 0; 519 } 520 521 522 int 523 Targ_PrintCmd(ClientData cmd, ClientData dummy) 524 { 525 fprintf(debug_file, "\t%s\n", (char *)cmd); 526 return (dummy ? 0 : 0); 527 } 528 529 /*- 530 *----------------------------------------------------------------------- 531 * Targ_FmtTime -- 532 * Format a modification time in some reasonable way and return it. 533 * 534 * Results: 535 * The time reformatted. 536 * 537 * Side Effects: 538 * The time is placed in a static area, so it is overwritten 539 * with each call. 540 * 541 *----------------------------------------------------------------------- 542 */ 543 char * 544 Targ_FmtTime(time_t tm) 545 { 546 struct tm *parts; 547 static char buf[128]; 548 549 parts = localtime(&tm); 550 (void)strftime(buf, sizeof buf, "%k:%M:%S %b %d, %Y", parts); 551 return(buf); 552 } 553 554 /*- 555 *----------------------------------------------------------------------- 556 * Targ_PrintType -- 557 * Print out a type field giving only those attributes the user can 558 * set. 559 * 560 * Results: 561 * 562 * Side Effects: 563 * 564 *----------------------------------------------------------------------- 565 */ 566 void 567 Targ_PrintType(int type) 568 { 569 int tbit; 570 571 #define PRINTBIT(attr) case CONCAT(OP_,attr): fprintf(debug_file, "." #attr " "); break 572 #define PRINTDBIT(attr) case CONCAT(OP_,attr): if (DEBUG(TARG))fprintf(debug_file, "." #attr " "); break 573 574 type &= ~OP_OPMASK; 575 576 while (type) { 577 tbit = 1 << (ffs(type) - 1); 578 type &= ~tbit; 579 580 switch(tbit) { 581 PRINTBIT(OPTIONAL); 582 PRINTBIT(USE); 583 PRINTBIT(EXEC); 584 PRINTBIT(IGNORE); 585 PRINTBIT(PRECIOUS); 586 PRINTBIT(SILENT); 587 PRINTBIT(MAKE); 588 PRINTBIT(JOIN); 589 PRINTBIT(INVISIBLE); 590 PRINTBIT(NOTMAIN); 591 PRINTDBIT(LIB); 592 /*XXX: MEMBER is defined, so CONCAT(OP_,MEMBER) gives OP_"%" */ 593 case OP_MEMBER: if (DEBUG(TARG))fprintf(debug_file, ".MEMBER "); break; 594 PRINTDBIT(ARCHV); 595 PRINTDBIT(MADE); 596 PRINTDBIT(PHONY); 597 } 598 } 599 } 600 601 static const char * 602 made_name(enum enum_made made) 603 { 604 switch (made) { 605 case UNMADE: return "unmade"; 606 case DEFERRED: return "deferred"; 607 case REQUESTED: return "requested"; 608 case BEINGMADE: return "being made"; 609 case MADE: return "made"; 610 case UPTODATE: return "up-to-date"; 611 case ERROR: return "error when made"; 612 case ABORTED: return "aborted"; 613 case ENDCYCLE: return "end cycle"; 614 default: return "unknown enum_made value"; 615 } 616 } 617 618 /*- 619 *----------------------------------------------------------------------- 620 * TargPrintNode -- 621 * print the contents of a node 622 *----------------------------------------------------------------------- 623 */ 624 int 625 Targ_PrintNode(ClientData gnp, ClientData passp) 626 { 627 GNode *gn = (GNode *)gnp; 628 int pass = passp ? *(int *)passp : 0; 629 630 fprintf(debug_file, "# %s%s, flags %x, type %x, made %d\n", 631 gn->name, gn->cohort_num, gn->flags, gn->type, gn->made); 632 if (gn->flags == 0) 633 return 0; 634 635 if (!OP_NOP(gn->type)) { 636 fprintf(debug_file, "#\n"); 637 if (gn == mainTarg) { 638 fprintf(debug_file, "# *** MAIN TARGET ***\n"); 639 } 640 if (pass >= 2) { 641 if (gn->unmade) { 642 fprintf(debug_file, "# %d unmade children\n", gn->unmade); 643 } else { 644 fprintf(debug_file, "# No unmade children\n"); 645 } 646 if (! (gn->type & (OP_JOIN|OP_USE|OP_USEBEFORE|OP_EXEC))) { 647 if (gn->mtime != 0) { 648 fprintf(debug_file, "# last modified %s: %s\n", 649 Targ_FmtTime(gn->mtime), 650 made_name(gn->made)); 651 } else if (gn->made != UNMADE) { 652 fprintf(debug_file, "# non-existent (maybe): %s\n", 653 made_name(gn->made)); 654 } else { 655 fprintf(debug_file, "# unmade\n"); 656 } 657 } 658 if (!Lst_IsEmpty (gn->iParents)) { 659 fprintf(debug_file, "# implicit parents: "); 660 Lst_ForEach(gn->iParents, TargPrintName, NULL); 661 fprintf(debug_file, "\n"); 662 } 663 } else { 664 if (gn->unmade) 665 fprintf(debug_file, "# %d unmade children\n", gn->unmade); 666 } 667 if (!Lst_IsEmpty (gn->parents)) { 668 fprintf(debug_file, "# parents: "); 669 Lst_ForEach(gn->parents, TargPrintName, NULL); 670 fprintf(debug_file, "\n"); 671 } 672 if (!Lst_IsEmpty (gn->order_pred)) { 673 fprintf(debug_file, "# order_pred: "); 674 Lst_ForEach(gn->order_pred, TargPrintName, NULL); 675 fprintf(debug_file, "\n"); 676 } 677 if (!Lst_IsEmpty (gn->order_succ)) { 678 fprintf(debug_file, "# order_succ: "); 679 Lst_ForEach(gn->order_succ, TargPrintName, NULL); 680 fprintf(debug_file, "\n"); 681 } 682 683 fprintf(debug_file, "%-16s", gn->name); 684 switch (gn->type & OP_OPMASK) { 685 case OP_DEPENDS: 686 fprintf(debug_file, ": "); break; 687 case OP_FORCE: 688 fprintf(debug_file, "! "); break; 689 case OP_DOUBLEDEP: 690 fprintf(debug_file, ":: "); break; 691 } 692 Targ_PrintType(gn->type); 693 Lst_ForEach(gn->children, TargPrintName, NULL); 694 fprintf(debug_file, "\n"); 695 Lst_ForEach(gn->commands, Targ_PrintCmd, NULL); 696 fprintf(debug_file, "\n\n"); 697 if (gn->type & OP_DOUBLEDEP) { 698 Lst_ForEach(gn->cohorts, Targ_PrintNode, &pass); 699 } 700 } 701 return (0); 702 } 703 704 /*- 705 *----------------------------------------------------------------------- 706 * TargPrintOnlySrc -- 707 * Print only those targets that are just a source. 708 * 709 * Results: 710 * 0. 711 * 712 * Side Effects: 713 * The name of each file is printed preceded by #\t 714 * 715 *----------------------------------------------------------------------- 716 */ 717 static int 718 TargPrintOnlySrc(ClientData gnp, ClientData dummy) 719 { 720 GNode *gn = (GNode *)gnp; 721 if (!OP_NOP(gn->type)) 722 return 0; 723 724 fprintf(debug_file, "#\t%s [%s] ", 725 gn->name, gn->path ? gn->path : gn->name); 726 Targ_PrintType(gn->type); 727 fprintf(debug_file, "\n"); 728 729 return 0; 730 } 731 732 /*- 733 *----------------------------------------------------------------------- 734 * Targ_PrintGraph -- 735 * print the entire graph. heh heh 736 * 737 * Input: 738 * pass Which pass this is. 1 => no processing 739 * 2 => processing done 740 * 741 * Results: 742 * none 743 * 744 * Side Effects: 745 * lots o' output 746 *----------------------------------------------------------------------- 747 */ 748 void 749 Targ_PrintGraph(int pass) 750 { 751 fprintf(debug_file, "#*** Input graph:\n"); 752 Lst_ForEach(allTargets, Targ_PrintNode, &pass); 753 fprintf(debug_file, "\n\n"); 754 fprintf(debug_file, "#\n# Files that are only sources:\n"); 755 Lst_ForEach(allTargets, TargPrintOnlySrc, NULL); 756 fprintf(debug_file, "#*** Global Variables:\n"); 757 Var_Dump(VAR_GLOBAL); 758 fprintf(debug_file, "#*** Command-line Variables:\n"); 759 Var_Dump(VAR_CMD); 760 fprintf(debug_file, "\n"); 761 Dir_PrintDirectories(); 762 fprintf(debug_file, "\n"); 763 Suff_PrintAll(); 764 } 765 766 /*- 767 *----------------------------------------------------------------------- 768 * TargPropagateNode -- 769 * Propagate information from a single node to related nodes if 770 * appropriate. 771 * 772 * Input: 773 * gnp The node that we are processing. 774 * 775 * Results: 776 * Always returns 0, for the benefit of Lst_ForEach(). 777 * 778 * Side Effects: 779 * Information is propagated from this node to cohort or child 780 * nodes. 781 * 782 * If the node was defined with "::", then TargPropagateCohort() 783 * will be called for each cohort node. 784 * 785 * If the node has recursive predecessors, then 786 * TargPropagateRecpred() will be called for each recursive 787 * predecessor. 788 *----------------------------------------------------------------------- 789 */ 790 static int 791 TargPropagateNode(ClientData gnp, ClientData junk __unused) 792 { 793 GNode *gn = (GNode *)gnp; 794 795 if (gn->type & OP_DOUBLEDEP) 796 Lst_ForEach(gn->cohorts, TargPropagateCohort, gnp); 797 return (0); 798 } 799 800 /*- 801 *----------------------------------------------------------------------- 802 * TargPropagateCohort -- 803 * Propagate some bits in the type mask from a node to 804 * a related cohort node. 805 * 806 * Input: 807 * cnp The node that we are processing. 808 * gnp Another node that has cnp as a cohort. 809 * 810 * Results: 811 * Always returns 0, for the benefit of Lst_ForEach(). 812 * 813 * Side Effects: 814 * cnp's type bitmask is modified to incorporate some of the 815 * bits from gnp's type bitmask. (XXX need a better explanation.) 816 *----------------------------------------------------------------------- 817 */ 818 static int 819 TargPropagateCohort(ClientData cgnp, ClientData pgnp) 820 { 821 GNode *cgn = (GNode *)cgnp; 822 GNode *pgn = (GNode *)pgnp; 823 824 cgn->type |= pgn->type & ~OP_OPMASK; 825 return (0); 826 } 827 828 /*- 829 *----------------------------------------------------------------------- 830 * Targ_Propagate -- 831 * Propagate information between related nodes. Should be called 832 * after the makefiles are parsed but before any action is taken. 833 * 834 * Results: 835 * none 836 * 837 * Side Effects: 838 * Information is propagated between related nodes throughout the 839 * graph. 840 *----------------------------------------------------------------------- 841 */ 842 void 843 Targ_Propagate(void) 844 { 845 Lst_ForEach(allTargets, TargPropagateNode, NULL); 846 } 847
Indexes created Wed Sep 24 05:09:52 GMT 2025