1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * read.c
28 *
29 * This file contains the makefile reader.
30 */
31
32 /*
33 * Included files
34 */
35 #include <mk/defs.h>
36 #include <mksh/dosys.h> /* sh_command2string() */
37 #include <mksh/macro.h> /* expand_value() */
38 #include <mksh/misc.h> /* retmem() */
39 #include <stdarg.h> /* va_list, va_start(), va_end() */
40
41 /*
42 * Defined macros
43 */
44
45 /*
46 * typedefs & structs
47 */
48
49 /*
50 * Static variables
51 */
52 static Boolean built_last_make_run_seen;
53
54 /*
55 * File table of contents
56 */
57 static Name_vector enter_member_name(register wchar_t *lib_start, register wchar_t *member_start, register wchar_t *string_end, Name_vector current_names, Name_vector *extra_names);
58 extern Name normalize_name(register wchar_t *name_string, register int length);
59 static void read_suffixes_list(register Name_vector depes);
60 static void make_relative(wchar_t *to, wchar_t *result);
61 static void print_rule(register Cmd_line command);
62 static void sh_transform(Name *name, Name *value);
63
64
65 /*
66 * enter_name(string, tail_present, string_start, string_end,
67 * current_names, extra_names, target_group_seen)
68 *
69 * Take one string and enter it as a name. The string is passed in
70 * two parts. A make string and possibly a C string to append to it.
71 * The result is stuffed in the vector current_names.
72 * extra_names points to a vector that is used if current_names overflows.
73 * This is allocad in the calling routine.
74 * Here we handle the "lib.a[members]" notation.
75 *
76 * Return value:
77 * The name vector that was used
78 *
79 * Parameters:
80 * tail_present Indicates if both C and make string was passed
81 * string_start C string
82 * string_end Pointer to char after last in C string
83 * string make style string with head of name
84 * current_names Vector to deposit the name in
85 * extra_names Where to get next name vector if we run out
86 * target_group_seen Pointer to boolean that is set if "+" is seen
87 *
88 * Global variables used:
89 * makefile_type When we read a report file we normalize paths
90 * plus Points to the Name "+"
91 */
92
93 Name_vector
94 enter_name(String string, Boolean tail_present, register wchar_t *string_start, register wchar_t *string_end, Name_vector current_names, Name_vector *extra_names, Boolean *target_group_seen)
95 {
96 Name name;
97 register wchar_t *cp;
98 wchar_t ch;
99
100 /* If we were passed a separate tail of the name we append it to the */
101 /* make string with the rest of it */
102 if (tail_present) {
103 append_string(string_start, string, string_end - string_start);
104 string_start = string->buffer.start;
105 string_end = string->text.p;
106 }
107 ch = *string_end;
108 *string_end = (int) nul_char;
109 /*
110 * Check if there are any ( or [ that are not prefixed with $.
111 * If there are, we have to deal with the lib.a(members) format.
112 */
113 for (cp = (wchar_t *) wschr(string_start, (int) parenleft_char);
114 cp != NULL;
115 cp = (wchar_t *) wschr(cp + 1, (int) parenleft_char)) {
116 if (*(cp - 1) != (int) dollar_char) {
117 *string_end = ch;
118 return enter_member_name(string_start,
119 cp,
120 string_end,
121 current_names,
122 extra_names);
123 }
124 }
125 *string_end = ch;
126
127 if (makefile_type == reading_cpp_file) {
128 /* Remove extra ../ constructs if we are reading from a report file */
129 name = normalize_name(string_start, string_end - string_start);
130 } else {
131 /*
132 * /tolik, fix bug 1197477/
133 * Normalize every target name before entering.
134 * ..//obj/a.o and ../obj//a.o are not two different targets.
135 * There is only one target ../obj/a.o
136 */
137 /*name = GETNAME(string_start, string_end - string_start);*/
138 name = normalize_name(string_start, string_end - string_start);
139 }
140
141 /* Internalize the name. Detect the name "+" (target group here) */
142 if(current_names->used != 0 && current_names->names[current_names->used-1] == plus) {
143 if(name == plus) {
144 return current_names;
145 }
146 }
147 /* If the current_names vector is full we patch in the one from */
148 /* extra_names */
149 if (current_names->used == VSIZEOF(current_names->names)) {
150 if (current_names->next != NULL) {
151 current_names = current_names->next;
152 } else {
153 current_names->next = *extra_names;
154 *extra_names = NULL;
155 current_names = current_names->next;
156 current_names->used = 0;
157 current_names->next = NULL;
158 }
159 }
160 current_names->target_group[current_names->used] = NULL;
161 current_names->names[current_names->used++] = name;
162 if (name == plus) {
163 *target_group_seen = true;
164 }
165 if (tail_present && string->free_after_use) {
166 retmem(string->buffer.start);
167 }
168 return current_names;
169 }
170
171 /*
172 * enter_member_name(lib_start, member_start, string_end,
173 * current_names, extra_names)
174 *
175 * A string has been found to contain member names.
176 * (The "lib.a[members]" and "lib.a(members)" notation)
177 * Handle it pretty much as enter_name() does for simple names.
178 *
179 * Return value:
180 * The name vector that was used
181 *
182 * Parameters:
183 * lib_start Points to the of start of "lib.a(member.o)"
184 * member_start Points to "member.o" from above string.
185 * string_end Points to char after last of above string.
186 * current_names Vector to deposit the name in
187 * extra_names Where to get next name vector if we run out
188 *
189 * Global variables used:
190 */
191 static Name_vector
192 enter_member_name(register wchar_t *lib_start, register wchar_t *member_start, register wchar_t *string_end, Name_vector current_names, Name_vector *extra_names)
193 {
194 register Boolean entry = false;
195 wchar_t buffer[STRING_BUFFER_LENGTH];
196 Name lib;
197 Name member;
198 Name name;
199 Property prop;
200 wchar_t *memberp;
201 wchar_t *q;
202 register int paren_count;
203 register Boolean has_dollar;
204 register wchar_t *cq;
205 Name long_member_name = NULL;
206
207 /* Internalize the name of the library */
208 lib = GETNAME(lib_start, member_start - lib_start);
209 lib->is_member = true;
210 member_start++;
211 if (*member_start == (int) parenleft_char) {
212 /* This is really the "lib.a((entries))" format */
213 entry = true;
214 member_start++;
215 }
216 /* Move the library name to the buffer where we intend to build the */
217 /* "lib.a(member)" for each member */
218 (void) wsncpy(buffer, lib_start, member_start - lib_start);
219 memberp = buffer + (member_start-lib_start);
220 while (1) {
221 long_member_name = NULL;
222 /* Skip leading spaces */
223 for (;
224 (member_start < string_end) && iswspace(*member_start);
225 member_start++);
226 /* Find the end of the member name. Allow nested (). Detect $*/
227 for (cq = memberp, has_dollar = false, paren_count = 0;
228 (member_start < string_end) &&
229 ((*member_start != (int) parenright_char) ||
230 (paren_count > 0)) &&
231 !iswspace(*member_start);
232 *cq++ = *member_start++) {
233 switch (*member_start) {
234 case parenleft_char:
235 paren_count++;
236 break;
237 case parenright_char:
238 paren_count--;
239 break;
240 case dollar_char:
241 has_dollar = true;
242 }
243 }
244 /* Internalize the member name */
245 member = GETNAME(memberp, cq - memberp);
246 *cq = 0;
247 if ((q = (wchar_t *) wsrchr(memberp, (int) slash_char)) == NULL) {
248 q = memberp;
249 }
250 if ((cq - q > (int) ar_member_name_len) &&
251 !has_dollar) {
252 *cq++ = (int) parenright_char;
253 if (entry) {
254 *cq++ = (int) parenright_char;
255 }
256 long_member_name = GETNAME(buffer, cq - buffer);
257 cq = q + (int) ar_member_name_len;
258 }
259 *cq++ = (int) parenright_char;
260 if (entry) {
261 *cq++ = (int) parenright_char;
262 }
263 /* Internalize the "lib.a(member)" notation for this member */
264 name = GETNAME(buffer, cq - buffer);
265 name->is_member = lib->is_member;
266 if (long_member_name != NULL) {
267 prop = append_prop(name, long_member_name_prop);
268 name->has_long_member_name = true;
269 prop->body.long_member_name.member_name =
270 long_member_name;
271 }
272 /* And add the member prop */
273 prop = append_prop(name, member_prop);
274 prop->body.member.library = lib;
275 if (entry) {
276 /* "lib.a((entry))" notation */
277 prop->body.member.entry = member;
278 prop->body.member.member = NULL;
279 } else {
280 /* "lib.a(member)" Notation */
281 prop->body.member.entry = NULL;
282 prop->body.member.member = member;
283 }
284 /* Handle overflow of current_names */
285 if (current_names->used == VSIZEOF(current_names->names)) {
286 if (current_names->next != NULL) {
287 current_names = current_names->next;
288 } else {
289 if (*extra_names == NULL) {
290 current_names =
291 current_names->next =
292 ALLOC(Name_vector);
293 } else {
294 current_names =
295 current_names->next =
296 *extra_names;
297 *extra_names = NULL;
298 }
299 current_names->used = 0;
300 current_names->next = NULL;
301 }
302 }
303 current_names->target_group[current_names->used] = NULL;
304 current_names->names[current_names->used++] = name;
305 while (iswspace(*member_start)) {
306 member_start++;
307 }
308 /* Check if there are more members */
309 if ((*member_start == (int) parenright_char) ||
310 (member_start >= string_end)) {
311 return current_names;
312 }
313 }
314 /* NOTREACHED */
315 }
316
317 /*
318 * normalize_name(name_string, length)
319 *
320 * Take a namestring and remove redundant ../, // and ./ constructs
321 *
322 * Return value:
323 * The normalized name
324 *
325 * Parameters:
326 * name_string Path string to normalize
327 * length Length of that string
328 *
329 * Global variables used:
330 * dot The Name ".", compared against
331 * dotdot The Name "..", compared against
332 */
333 Name
334 normalize_name(register wchar_t *name_string, register int length)
335 {
336 static Name dotdot;
337 register wchar_t *string = ALLOC_WC(length + 1);
338 register wchar_t *string2;
339 register wchar_t *cdp;
340 wchar_t *current_component;
341 Name name;
342 register int count;
343
344 if (dotdot == NULL) {
345 MBSTOWCS(wcs_buffer, "..");
346 dotdot = GETNAME(wcs_buffer, FIND_LENGTH);
347 }
348
349 /*
350 * Copy string removing ./ and //.
351 * First strip leading ./
352 */
353 while ((length > 1) &&
354 (name_string[0] == (int) period_char) &&
355 (name_string[1] == (int) slash_char)) {
356 name_string += 2;
357 length -= 2;
358 while ((length > 0) && (name_string[0] == (int) slash_char)) {
359 name_string++;
360 length--;
361 }
362 }
363 /* Then copy the rest of the string removing /./ & // */
364 cdp = string;
365 while (length > 0) {
366 if (((length > 2) &&
367 (name_string[0] == (int) slash_char) &&
368 (name_string[1] == (int) period_char) &&
369 (name_string[2] == (int) slash_char)) ||
370 ((length == 2) &&
371 (name_string[0] == (int) slash_char) &&
372 (name_string[1] == (int) period_char))) {
373 name_string += 2;
374 length -= 2;
375 continue;
376 }
377 if ((length > 1) &&
378 (name_string[0] == (int) slash_char) &&
379 (name_string[1] == (int) slash_char)) {
380 name_string++;
381 length--;
382 continue;
383 }
384 *cdp++ = *name_string++;
385 length--;
386 }
387 *cdp = (int) nul_char;
388 /*
389 * Now scan for <name>/../ and remove such combinations iff <name>
390 * is not another ..
391 * Each time something is removed, the whole process is restarted.
392 */
393 removed_one:
394 name_string = string;
395 string2 = name_string; /*save for free*/
396 current_component =
397 cdp =
398 string =
399 ALLOC_WC((length = wslen(name_string)) + 1);
400 while (length > 0) {
401 if (((length > 3) &&
402 (name_string[0] == (int) slash_char) &&
403 (name_string[1] == (int) period_char) &&
404 (name_string[2] == (int) period_char) &&
405 (name_string[3] == (int) slash_char)) ||
406 ((length == 3) &&
407 (name_string[0] == (int) slash_char) &&
408 (name_string[1] == (int) period_char) &&
409 (name_string[2] == (int) period_char))) {
410 /* Positioned on the / that starts a /.. sequence */
411 if (((count = cdp - current_component) != 0) &&
412 (exists(name = GETNAME(string, cdp - string)) > file_doesnt_exist) &&
413 (!name->stat.is_sym_link)) {
414 name = GETNAME(current_component, count);
415 if(name != dotdot) {
416 cdp = current_component;
417 name_string += 3;
418 length -= 3;
419 if (length > 0) {
420 name_string++; /* skip slash */
421 length--;
422 while (length > 0) {
423 *cdp++ = *name_string++;
424 length--;
425 }
426 }
427 *cdp = (int) nul_char;
428 retmem(string2);
429 goto removed_one;
430 }
431 }
432 }
433 if ((*cdp++ = *name_string++) == (int) slash_char) {
434 current_component = cdp;
435 }
436 length--;
437 }
438 *cdp = (int) nul_char;
439 if (string[0] == (int) nul_char) {
440 name = dot;
441 } else {
442 name = GETNAME(string, FIND_LENGTH);
443 }
444 retmem(string);
445 retmem(string2);
446 return name;
447 }
448
449 /*
450 * find_target_groups(target_list)
451 *
452 * If a "+" was seen when the target list was scanned we need to extract
453 * the groups. Each target in the name vector that is a member of a
454 * group gets a pointer to a chain of all the members stuffed in its
455 * target_group vector slot
456 *
457 * Parameters:
458 * target_list The list of targets that contains "+"
459 *
460 * Global variables used:
461 * plus The Name "+", compared against
462 */
463 Chain
464 find_target_groups(register Name_vector target_list, register int i, Boolean reset)
465 {
466 static Chain target_group = NULL;
467 static Chain tail_target_group = NULL;
468 static Name *next;
469 static Boolean clear_target_group = false;
470
471 if (reset) {
472 target_group = NULL;
473 tail_target_group = NULL;
474 clear_target_group = false;
475 }
476
477 /* Scan the list of targets */
478 /* If the previous target terminated a group */
479 /* we flush the pointer to that member chain */
480 if (clear_target_group) {
481 clear_target_group = false;
482 target_group = NULL;
483 }
484 /* Pick up a pointer to the cell with */
485 /* the next target */
486 if (i + 1 != target_list->used) {
487 next = &target_list->names[i + 1];
488 } else {
489 next = (target_list->next != NULL) ?
490 &target_list->next->names[0] : NULL;
491 }
492 /* We have four states here :
493 * 0: No target group started and next element is not "+"
494 * This is not interesting.
495 * 1: A target group is being built and the next element
496 * is not "+". This terminates the group.
497 * 2: No target group started and the next member is "+"
498 * This is the first target in a group.
499 * 3: A target group started and the next member is a "+"
500 * The group continues.
501 */
502 switch ((target_group ? 1 : 0) +
503 (next && (*next == plus) ?
504 2 : 0)) {
505 case 0: /* Not target_group */
506 break;
507 case 1: /* Last group member */
508 /* We need to keep this pointer so */
509 /* we can stuff it for last member */
510 clear_target_group = true;
511 /* fall into */
512 case 3: /* Middle group member */
513 /* Add this target to the */
514 /* current chain */
515 tail_target_group->next = ALLOC(Chain);
516 tail_target_group = tail_target_group->next;
517 tail_target_group->next = NULL;
518 tail_target_group->name = target_list->names[i];
519 break;
520 case 2: /* First group member */
521 /* Start a new chain */
522 target_group = tail_target_group = ALLOC(Chain);
523 target_group->next = NULL;
524 target_group->name = target_list->names[i];
525 break;
526 }
527 /* Stuff the current chain, if any, in the */
528 /* targets group slot */
529 target_list->target_group[i] = target_group;
530 if ((next != NULL) &&
531 (*next == plus)) {
532 *next = NULL;
533 }
534 return (tail_target_group);
535 }
536
537 /*
538 * enter_dependencies(target, target_group, depes, command, separator)
539 *
540 * Take one target and a list of dependencies and process the whole thing.
541 * The target might be special in some sense in which case that is handled
542 *
543 * Parameters:
544 * target The target we want to enter
545 * target_group Non-NULL if target is part of a group this time
546 * depes A list of dependencies for the target
547 * command The command the target should be entered with
548 * separator Indicates if this is a ":" or a "::" rule
549 *
550 * Static variables used:
551 * built_last_make_run_seen If the previous target was
552 * .BUILT_LAST_MAKE_RUN we say to rewrite
553 * the state file later on
554 *
555 * Global variables used:
556 * command_changed Set to indicate if .make.state needs rewriting
557 * default_target_to_build Set to the target if reading makefile
558 * and this is the first regular target
559 * force The Name " FORCE", used with "::" targets
560 * makefile_type We do different things for makefile vs. report
561 * not_auto The Name ".NOT_AUTO", compared against
562 * recursive_name The Name ".RECURSIVE", compared against
563 * temp_file_number Used to figure out when to clear stale
564 * automatic dependencies
565 * trace_reader Indicates that we should echo stuff we read
566 */
567 void
568 enter_dependencies(register Name target, Chain target_group, register Name_vector depes, register Cmd_line command, register Separator separator)
569 {
570 register int i;
571 register Property line;
572 Name name;
573 Name directory;
574 wchar_t *namep;
575 char *mb_namep;
576 Dependency dp;
577 Dependency *dpp;
578 Property line2;
579 wchar_t relative[MAXPATHLEN];
580 register int recursive_state;
581 Boolean register_as_auto;
582 Boolean not_auto_found;
583 char *slash;
584 Wstring depstr;
585
586 /* Check if this is a .RECURSIVE line */
587 if ((depes->used >= 3) &&
588 (depes->names[0] == recursive_name)) {
589 target->has_recursive_dependency = true;
590 depes->names[0] = NULL;
591 recursive_state = 0;
592 dp = NULL;
593 dpp = &dp;
594 /* Read the dependencies. They are "<directory> <target-made>*/
595 /* <makefile>*" */
596 for (; depes != NULL; depes = depes->next) {
597 for (i = 0; i < depes->used; i++) {
598 if (depes->names[i] != NULL) {
599 switch (recursive_state++) {
600 case 0: /* Directory */
601 {
602 depstr.init(depes->names[i]);
603 make_relative(depstr.get_string(),
604 relative);
605 directory =
606 GETNAME(relative,
607 FIND_LENGTH);
608 }
609 break;
610 case 1: /* Target */
611 name = depes->names[i];
612 break;
613 default: /* Makefiles */
614 *dpp = ALLOC(Dependency);
615 (*dpp)->next = NULL;
616 (*dpp)->name = depes->names[i];
617 (*dpp)->automatic = false;
618 (*dpp)->stale = false;
619 (*dpp)->built = false;
620 dpp = &((*dpp)->next);
621 break;
622 }
623 }
624 }
625 }
626 /* Check if this recursion already has been reported else */
627 /* enter the recursive prop for the target */
628 /* The has_built flag is used to tell if this .RECURSIVE */
629 /* was discovered from this run (read from a tmp file) */
630 /* or was from discovered from the original .make.state */
631 /* file */
632 for (line = get_prop(target->prop, recursive_prop);
633 line != NULL;
634 line = get_prop(line->next, recursive_prop)) {
635 if ((line->body.recursive.directory == directory) &&
636 (line->body.recursive.target == name)) {
637 line->body.recursive.makefiles = dp;
638 line->body.recursive.has_built =
639 (Boolean)
640 (makefile_type == reading_cpp_file);
641 return;
642 }
643 }
644 line2 = append_prop(target, recursive_prop);
645 line2->body.recursive.directory = directory;
646 line2->body.recursive.target = name;
647 line2->body.recursive.makefiles = dp;
648 line2->body.recursive.has_built =
649 (Boolean) (makefile_type == reading_cpp_file);
650 line2->body.recursive.in_depinfo = false;
651 return;
652 }
653 /* If this is the first target that doesnt start with a "." in the */
654 /* makefile we remember that */
655 Wstring tstr(target);
656 wchar_t * wcb = tstr.get_string();
657 if ((makefile_type == reading_makefile) &&
658 (default_target_to_build == NULL) &&
659 ((wcb[0] != (int) period_char) ||
660 wschr(wcb, (int) slash_char))) {
661
662 /* BID 1181577: $(EMPTY_MACRO) + $(EMPTY_MACRO):
663 ** The target with empty name cannot be default_target_to_build
664 */
665 if (target->hash.length != 0)
666 default_target_to_build = target;
667 }
668 /* Check if the line is ":" or "::" */
669 if (makefile_type == reading_makefile) {
670 if (target->colons == no_colon) {
671 target->colons = separator;
672 } else {
673 if (target->colons != separator) {
674 fatal_reader(catgets(catd, 1, 92, ":/:: conflict for target `%s'"),
675 target->string_mb);
676 }
677 }
678 if (target->colons == two_colon) {
679 if (depes->used == 0) {
680 /* If this is a "::" type line with no */
681 /* dependencies we add one "FRC" type */
682 /* dependency for free */
683 depes->used = 1; /* Force :: targets with no
684 * depes to always run */
685 depes->names[0] = force;
686 }
687 /* Do not delete "::" type targets when interrupted */
688 target->stat.is_precious = true;
689 /*
690 * Build a synthetic target "<number>%target"
691 * for "target".
692 */
693 mb_namep = getmem((int) (strlen(target->string_mb) + 10));
694 namep = ALLOC_WC((int) (target->hash.length + 10));
695 slash = strrchr(target->string_mb, (int) slash_char);
696 if (slash == NULL) {
697 (void) sprintf(mb_namep,
698 "%d@%s",
699 target->colon_splits++,
700 target->string_mb);
701 } else {
702 *slash = 0;
703 (void) sprintf(mb_namep,
704 "%s/%d@%s",
705 target->string_mb,
706 target->colon_splits++,
707 slash + 1);
708 *slash = (int) slash_char;
709 }
710 MBSTOWCS(namep, mb_namep);
711 retmem_mb(mb_namep);
712 name = GETNAME(namep, FIND_LENGTH);
713 retmem(namep);
714 if (trace_reader) {
715 (void) printf("%s:\t", target->string_mb);
716 }
717 /* Make "target" depend on "<number>%target */
718 line2 = maybe_append_prop(target, line_prop);
719 enter_dependency(line2, name, true);
720 line2->body.line.target = target;
721 /* Put a prop on "<number>%target that makes */
722 /* appear as "target" */
723 /* when it is processed */
724 maybe_append_prop(name, target_prop)->
725 body.target.target = target;
726 target->is_double_colon_parent = true;
727 name->is_double_colon = true;
728 name->has_target_prop = true;
729 if (trace_reader) {
730 (void) printf("\n");
731 }
732 (target = name)->stat.is_file = true;
733 }
734 }
735 /* This really is a regular dependency line. Just enter it */
736 line = maybe_append_prop(target, line_prop);
737 line->body.line.target = target;
738 /* Depending on what kind of makefile we are reading we have to */
739 /* treat things differently */
740 switch (makefile_type) {
741 case reading_makefile:
742 /* Reading regular makefile. Just notice whether this */
743 /* redefines the rule for the target */
744 if (command != NULL) {
745 if (line->body.line.command_template != NULL) {
746 line->body.line.command_template_redefined =
747 true;
748 if ((wcb[0] == (int) period_char) &&
749 !wschr(wcb, (int) slash_char)) {
750 line->body.line.command_template =
751 command;
752 }
753 } else {
754 line->body.line.command_template = command;
755 }
756 } else {
757 if ((wcb[0] == (int) period_char) &&
758 !wschr(wcb, (int) slash_char)) {
759 line->body.line.command_template = command;
760 }
761 }
762 break;
763 case rereading_statefile:
764 /* Rereading the statefile. We only enter thing that changed */
765 /* since the previous time we read it */
766 if (!built_last_make_run_seen) {
767 for (Cmd_line next, cmd = command; cmd != NULL; cmd = next) {
768 next = cmd->next;
769 free(cmd);
770 }
771 return;
772 }
773 built_last_make_run_seen = false;
774 command_changed = true;
775 target->ran_command = true;
776 case reading_statefile:
777 /* Reading the statefile for the first time. Enter the rules */
778 /* as "Commands used" not "templates to use" */
779 if (command != NULL) {
780 for (Cmd_line next, cmd = line->body.line.command_used;
781 cmd != NULL; cmd = next) {
782 next = cmd->next;
783 free(cmd);
784 }
785 line->body.line.command_used = command;
786 }
787 case reading_cpp_file:
788 /* Reading report file from programs that reports */
789 /* dependencies. If this is the first time the target is */
790 /* read from this reportfile we clear all old */
791 /* automatic depes */
792 if (target->temp_file_number == temp_file_number) {
793 break;
794 }
795 target->temp_file_number = temp_file_number;
796 command_changed = true;
797 if (line != NULL) {
798 for (dp = line->body.line.dependencies;
799 dp != NULL;
800 dp = dp->next) {
801 if (dp->automatic) {
802 dp->stale = true;
803 }
804 }
805 }
806 break;
807 default:
808 fatal_reader(catgets(catd, 1, 93, "Internal error. Unknown makefile type %d"),
809 makefile_type);
810 }
811 /* A target may only be involved in one target group */
812 if (line->body.line.target_group != NULL) {
813 if (target_group != NULL) {
814 fatal_reader(catgets(catd, 1, 94, "Too many target groups for target `%s'"),
815 target->string_mb);
816 }
817 } else {
818 line->body.line.target_group = target_group;
819 }
820
821 if (trace_reader) {
822 (void) printf("%s:\t", target->string_mb);
823 }
824 /* Enter the dependencies */
825 register_as_auto = BOOLEAN(makefile_type != reading_makefile);
826 not_auto_found = false;
827 for (;
828 (depes != NULL) && !not_auto_found;
829 depes = depes->next) {
830 for (i = 0; i < depes->used; i++) {
831 /* the dependency .NOT_AUTO signals beginning of
832 * explicit dependancies which were put at end of
833 * list in .make.state file - we stop entering
834 * dependencies at this point
835 */
836 if (depes->names[i] == not_auto) {
837 not_auto_found = true;
838 break;
839 }
840 enter_dependency(line,
841 depes->names[i],
842 register_as_auto);
843 }
844 }
845 if (trace_reader) {
846 (void) printf("\n");
847 print_rule(command);
848 }
849 }
850
851 /*
852 * enter_dependency(line, depe, automatic)
853 *
854 * Enter one dependency. Do not enter duplicates.
855 *
856 * Parameters:
857 * line The line block that the dependeny is
858 * entered for
859 * depe The dependency to enter
860 * automatic Used to set the field "automatic"
861 *
862 * Global variables used:
863 * makefile_type We do different things for makefile vs. report
864 * trace_reader Indicates that we should echo stuff we read
865 * wait_name The Name ".WAIT", compared against
866 */
867 void
868 enter_dependency(Property line, register Name depe, Boolean automatic)
869 {
870 register Dependency dp;
871 register Dependency *insert;
872
873 if (trace_reader) {
874 (void) printf("%s ", depe->string_mb);
875 }
876 /* Find the end of the list and check for duplicates */
877 for (insert = &line->body.line.dependencies, dp = *insert;
878 dp != NULL;
879 insert = &dp->next, dp = *insert) {
880 if ((dp->name == depe) && (depe != wait_name)) {
881 if (dp->automatic) {
882 dp->automatic = automatic;
883 if (automatic) {
884 dp->built = false;
885 depe->stat.is_file = true;
886 }
887 }
888 dp->stale = false;
889 return;
890 }
891 }
892 /* Insert the new dependency since we couldnt find it */
893 dp = *insert = ALLOC(Dependency);
894 dp->name = depe;
895 dp->next = NULL;
896 dp->automatic = automatic;
897 dp->stale = false;
898 dp->built = false;
899 depe->stat.is_file = true;
900
901 if ((makefile_type == reading_makefile) &&
902 (line != NULL) &&
903 (line->body.line.target != NULL)) {
904 line->body.line.target->has_regular_dependency = true;
905 }
906 }
907
908 /*
909 * enter_percent(target, depes, command)
910 *
911 * Enter "x%y : a%b" type lines
912 * % patterns are stored in four parts head and tail for target and source
913 *
914 * Parameters:
915 * target Left hand side of pattern
916 * depes The dependency list with the rh pattern
917 * command The command for the pattern
918 *
919 * Global variables used:
920 * empty_name The Name "", compared against
921 * percent_list The list of all percent rules, added to
922 * trace_reader Indicates that we should echo stuff we read
923 */
924 Percent
925 enter_percent(register Name target, Chain target_group, register Name_vector depes, Cmd_line command)
926 {
927 register Percent result = ALLOC(Percent);
928 register Percent depe;
929 register Percent *depe_tail = &result->dependencies;
930 register Percent *insert;
931 register wchar_t *cp, *cp1;
932 Name_vector nvp;
933 int i;
934 int pattern;
935
936 result->next = NULL;
937 result->patterns = NULL;
938 result->patterns_total = 0;
939 result->command_template = command;
940 result->being_expanded = false;
941 result->name = target;
942 result->dependencies = NULL;
943 result->target_group = target_group;
944
945 /* get patterns count */
946 Wstring wcb(target);
947 cp = wcb.get_string();
948 while (true) {
949 cp = (wchar_t *) wschr(cp, (int) percent_char);
950 if (cp != NULL) {
951 result->patterns_total++;
952 cp++;
953 } else {
954 break;
955 }
956 }
957 result->patterns_total++;
958
959 /* allocate storage for patterns */
960 result->patterns = (Name *) getmem(sizeof(Name) * result->patterns_total);
961
962 /* then create patterns */
963 cp = wcb.get_string();
964 pattern = 0;
965 while (true) {
966 cp1 = (wchar_t *) wschr(cp, (int) percent_char);
967 if (cp1 != NULL) {
968 result->patterns[pattern] = GETNAME(cp, cp1 - cp);
969 cp = cp1 + 1;
970 pattern++;
971 } else {
972 result->patterns[pattern] = GETNAME(cp, (int) target->hash.length - (cp - wcb.get_string()));
973 break;
974 }
975 }
976
977 Wstring wcb1;
978
979 /* build dependencies list */
980 for (nvp = depes; nvp != NULL; nvp = nvp->next) {
981 for (i = 0; i < nvp->used; i++) {
982 depe = ALLOC(Percent);
983 depe->next = NULL;
984 depe->patterns = NULL;
985 depe->patterns_total = 0;
986 depe->name = nvp->names[i];
987 depe->dependencies = NULL;
988 depe->command_template = NULL;
989 depe->being_expanded = false;
990 depe->target_group = NULL;
991
992 *depe_tail = depe;
993 depe_tail = &depe->next;
994
995 if (depe->name->percent) {
996 /* get patterns count */
997 wcb1.init(depe->name);
998 cp = wcb1.get_string();
999 while (true) {
1000 cp = (wchar_t *) wschr(cp, (int) percent_char);
1001 if (cp != NULL) {
1002 depe->patterns_total++;
1003 cp++;
1004 } else {
1005 break;
1006 }
1007 }
1008 depe->patterns_total++;
1009
1010 /* allocate storage for patterns */
1011 depe->patterns = (Name *) getmem(sizeof(Name) * depe->patterns_total);
1012
1013 /* then create patterns */
1014 cp = wcb1.get_string();
1015 pattern = 0;
1016 while (true) {
1017 cp1 = (wchar_t *) wschr(cp, (int) percent_char);
1018 if (cp1 != NULL) {
1019 depe->patterns[pattern] = GETNAME(cp, cp1 - cp);
1020 cp = cp1 + 1;
1021 pattern++;
1022 } else {
1023 depe->patterns[pattern] = GETNAME(cp, (int) depe->name->hash.length - (cp - wcb1.get_string()));
1024 break;
1025 }
1026 }
1027 }
1028 }
1029 }
1030
1031 /* Find the end of the percent list and append the new pattern */
1032 for (insert = &percent_list; (*insert) != NULL; insert = &(*insert)->next);
1033 *insert = result;
1034
1035 if (trace_reader) {
1036 (void) printf("%s:", result->name->string_mb);
1037
1038 for (depe = result->dependencies; depe != NULL; depe = depe->next) {
1039 (void) printf(" %s", depe->name->string_mb);
1040 }
1041
1042 (void) printf("\n");
1043
1044 print_rule(command);
1045 }
1046
1047 return result;
1048 }
1049
1050 /*
1051 * enter_dyntarget(target)
1052 *
1053 * Enter "$$(MACRO) : b" type lines
1054 *
1055 * Parameters:
1056 * target Left hand side of pattern
1057 *
1058 * Global variables used:
1059 * dyntarget_list The list of all percent rules, added to
1060 * trace_reader Indicates that we should echo stuff we read
1061 */
1062 Dyntarget
1063 enter_dyntarget(register Name target)
1064 {
1065 register Dyntarget result = ALLOC(Dyntarget);
1066 Dyntarget p;
1067 Dyntarget *insert;
1068 int i;
1069
1070 result->next = NULL;
1071 result->name = target;
1072
1073
1074 /* Find the end of the dyntarget list and append the new pattern */
1075 for (insert = &dyntarget_list, p = *insert;
1076 p != NULL;
1077 insert = &p->next, p = *insert);
1078 *insert = result;
1079
1080 if (trace_reader) {
1081 (void) printf(NOCATGETS("Dynamic target %s:\n"), result->name->string_mb);
1082 }
1083 return( result);
1084 }
1085
1086
1087 /*
1088 * special_reader(target, depes, command)
1089 *
1090 * Read the pseudo targets make knows about
1091 * This handles the special targets that should not be entered as regular
1092 * target/dependency sets.
1093 *
1094 * Parameters:
1095 * target The special target
1096 * depes The list of dependencies it was entered with
1097 * command The command it was entered with
1098 *
1099 * Static variables used:
1100 * built_last_make_run_seen Set to indicate .BUILT_LAST... seen
1101 *
1102 * Global variables used:
1103 * all_parallel Set to indicate that everything runs parallel
1104 * svr4 Set when ".SVR4" target is read
1105 * svr4_name The Name ".SVR4"
1106 * posix Set when ".POSIX" target is read
1107 * posix_name The Name ".POSIX"
1108 * current_make_version The Name "<current version number>"
1109 * default_rule Set when ".DEFAULT" target is read
1110 * default_rule_name The Name ".DEFAULT", used for tracing
1111 * dot_keep_state The Name ".KEEP_STATE", used for tracing
1112 * ignore_errors Set if ".IGNORE" target is read
1113 * ignore_name The Name ".IGNORE", used for tracing
1114 * keep_state Set if ".KEEP_STATE" target is read
1115 * no_parallel_name The Name ".NO_PARALLEL", used for tracing
1116 * only_parallel Set to indicate only some targets runs parallel
1117 * parallel_name The Name ".PARALLEL", used for tracing
1118 * precious The Name ".PRECIOUS", used for tracing
1119 * sccs_get_name The Name ".SCCS_GET", used for tracing
1120 * sccs_get_posix_name The Name ".SCCS_GET_POSIX", used for tracing
1121 * get_name The Name ".GET", used for tracing
1122 * sccs_get_rule Set when ".SCCS_GET" target is read
1123 * silent Set when ".SILENT" target is read
1124 * silent_name The Name ".SILENT", used for tracing
1125 * trace_reader Indicates that we should echo stuff we read
1126 */
1127 void
1128 special_reader(Name target, register Name_vector depes, Cmd_line command)
1129 {
1130 register int n;
1131
1132 switch (target->special_reader) {
1133
1134 case svr4_special:
1135 if (depes->used != 0) {
1136 fatal_reader(catgets(catd, 1, 98, "Illegal dependencies for target `%s'"),
1137 target->string_mb);
1138 }
1139 svr4 = true;
1140 posix = false;
1141 keep_state = false;
1142 all_parallel = false;
1143 only_parallel = false;
1144 if (trace_reader) {
1145 (void) printf("%s:\n", svr4_name->string_mb);
1146 }
1147 break;
1148
1149 case posix_special:
1150 if(svr4)
1151 break;
1152 if (depes->used != 0) {
1153 fatal_reader(catgets(catd, 1, 99, "Illegal dependencies for target `%s'"),
1154 target->string_mb);
1155 }
1156 posix = true;
1157 /* with posix on, use the posix get rule */
1158 sccs_get_rule = sccs_get_posix_rule;
1159 /* turn keep state off being SunPro make specific */
1160 keep_state = false;
1161 /* Use /usr/xpg4/bin/sh on Solaris */
1162 MBSTOWCS(wcs_buffer, NOCATGETS("/usr/xpg4/bin/sh"));
1163 (void) SETVAR(shell_name, GETNAME(wcs_buffer, FIND_LENGTH), false);
1164 if (trace_reader) {
1165 (void) printf("%s:\n", posix_name->string_mb);
1166 }
1167 break;
1168
1169 case built_last_make_run_special:
1170 built_last_make_run_seen = true;
1171 break;
1172
1173 case default_special:
1174 if (depes->used != 0) {
1175 warning(catgets(catd, 1, 100, "Illegal dependency list for target `%s'"),
1176 target->string_mb);
1177 }
1178 default_rule = command;
1179 if (trace_reader) {
1180 (void) printf("%s:\n",
1181 default_rule_name->string_mb);
1182 print_rule(command);
1183 }
1184 break;
1185
1186
1187 case ignore_special:
1188 if ((depes->used != 0) &&(!posix)){
1189 fatal_reader(catgets(catd, 1, 101, "Illegal dependencies for target `%s'"),
1190 target->string_mb);
1191 }
1192 if (depes->used == 0)
1193 {
1194 ignore_errors_all = true;
1195 }
1196 if(svr4) {
1197 ignore_errors_all = true;
1198 break;
1199 }
1200 for (; depes != NULL; depes = depes->next) {
1201 for (n = 0; n < depes->used; n++) {
1202 depes->names[n]->ignore_error_mode = true;
1203 }
1204 }
1205 if (trace_reader) {
1206 (void) printf("%s:\n", ignore_name->string_mb);
1207 }
1208 break;
1209
1210 case keep_state_special:
1211 if(svr4)
1212 break;
1213 /* ignore keep state, being SunPro make specific */
1214 if(posix)
1215 break;
1216 if (depes->used != 0) {
1217 fatal_reader(catgets(catd, 1, 102, "Illegal dependencies for target `%s'"),
1218 target->string_mb);
1219 }
1220 keep_state = true;
1221 if (trace_reader) {
1222 (void) printf("%s:\n",
1223 dot_keep_state->string_mb);
1224 }
1225 break;
1226
1227 case keep_state_file_special:
1228 if(svr4)
1229 break;
1230 if(posix)
1231 break;
1232 /* it's not necessary to specify KEEP_STATE, if this
1233 ** is given, so set the keep_state.
1234 */
1235 keep_state = true;
1236 if (depes->used != 0) {
1237 if((!make_state) ||(!strcmp(make_state->string_mb,NOCATGETS(".make.state")))) {
1238 make_state = depes->names[0];
1239 }
1240 }
1241 break;
1242 case make_version_special:
1243 if(svr4)
1244 break;
1245 if (depes->used != 1) {
1246 fatal_reader(catgets(catd, 1, 103, "Illegal dependency list for target `%s'"),
1247 target->string_mb);
1248 }
1249 if (depes->names[0] != current_make_version) {
1250 /*
1251 * Special case the fact that version 1.0 and 1.1
1252 * are identical.
1253 */
1254 if (!IS_EQUAL(depes->names[0]->string_mb,
1255 NOCATGETS("VERSION-1.1")) ||
1256 !IS_EQUAL(current_make_version->string_mb,
1257 NOCATGETS("VERSION-1.0"))) {
1258 /*
1259 * Version mismatches should cause the
1260 * .make.state file to be skipped.
1261 * This is currently not true - it is read
1262 * anyway.
1263 */
1264 warning(catgets(catd, 1, 104, "Version mismatch between current version `%s' and `%s'"),
1265 current_make_version->string_mb,
1266 depes->names[0]->string_mb);
1267 }
1268 }
1269 break;
1270
1271 case no_parallel_special:
1272 if(svr4)
1273 break;
1274 /* Set the no_parallel bit for all the targets on */
1275 /* the dependency list */
1276 if (depes->used == 0) {
1277 /* only those explicitly made parallel */
1278 only_parallel = true;
1279 all_parallel = false;
1280 }
1281 for (; depes != NULL; depes = depes->next) {
1282 for (n = 0; n < depes->used; n++) {
1283 if (trace_reader) {
1284 (void) printf("%s:\t%s\n",
1285 no_parallel_name->string_mb,
1286 depes->names[n]->string_mb);
1287 }
1288 depes->names[n]->no_parallel = true;
1289 depes->names[n]->parallel = false;
1290 }
1291 }
1292 break;
1293
1294 case parallel_special:
1295 if(svr4)
1296 break;
1297 if (depes->used == 0) {
1298 /* everything runs in parallel */
1299 all_parallel = true;
1300 only_parallel = false;
1301 }
1302 /* Set the parallel bit for all the targets on */
1303 /* the dependency list */
1304 for (; depes != NULL; depes = depes->next) {
1305 for (n = 0; n < depes->used; n++) {
1306 if (trace_reader) {
1307 (void) printf("%s:\t%s\n",
1308 parallel_name->string_mb,
1309 depes->names[n]->string_mb);
1310 }
1311 depes->names[n]->parallel = true;
1312 depes->names[n]->no_parallel = false;
1313 }
1314 }
1315 break;
1316
1317 case localhost_special:
1318 if(svr4)
1319 break;
1320 /* Set the no_parallel bit for all the targets on */
1321 /* the dependency list */
1322 if (depes->used == 0) {
1323 /* only those explicitly made parallel */
1324 only_parallel = true;
1325 all_parallel = false;
1326 }
1327 for (; depes != NULL; depes = depes->next) {
1328 for (n = 0; n < depes->used; n++) {
1329 if (trace_reader) {
1330 (void) printf("%s:\t%s\n",
1331 localhost_name->string_mb,
1332 depes->names[n]->string_mb);
1333 }
1334 depes->names[n]->no_parallel = true;
1335 depes->names[n]->parallel = false;
1336 depes->names[n]->localhost = true;
1337 }
1338 }
1339 break;
1340
1341 case precious_special:
1342 if (depes->used == 0) {
1343 /* everything is precious */
1344 all_precious = true;
1345 } else {
1346 all_precious = false;
1347 }
1348 if(svr4) {
1349 all_precious = true;
1350 break;
1351 }
1352 /* Set the precious bit for all the targets on */
1353 /* the dependency list */
1354 for (; depes != NULL; depes = depes->next) {
1355 for (n = 0; n < depes->used; n++) {
1356 if (trace_reader) {
1357 (void) printf("%s:\t%s\n",
1358 precious->string_mb,
1359 depes->names[n]->string_mb);
1360 }
1361 depes->names[n]->stat.is_precious = true;
1362 }
1363 }
1364 break;
1365
1366 case sccs_get_special:
1367 if (depes->used != 0) {
1368 fatal_reader(catgets(catd, 1, 105, "Illegal dependencies for target `%s'"),
1369 target->string_mb);
1370 }
1371 sccs_get_rule = command;
1372 sccs_get_org_rule = command;
1373 if (trace_reader) {
1374 (void) printf("%s:\n", sccs_get_name->string_mb);
1375 print_rule(command);
1376 }
1377 break;
1378
1379 case sccs_get_posix_special:
1380 if (depes->used != 0) {
1381 fatal_reader(catgets(catd, 1, 106, "Illegal dependencies for target `%s'"),
1382 target->string_mb);
1383 }
1384 sccs_get_posix_rule = command;
1385 if (trace_reader) {
1386 (void) printf("%s:\n", sccs_get_posix_name->string_mb);
1387 print_rule(command);
1388 }
1389 break;
1390
1391 case get_posix_special:
1392 if (depes->used != 0) {
1393 fatal_reader(catgets(catd, 1, 107, "Illegal dependencies for target `%s'"),
1394 target->string_mb);
1395 }
1396 get_posix_rule = command;
1397 if (trace_reader) {
1398 (void) printf("%s:\n", get_posix_name->string_mb);
1399 print_rule(command);
1400 }
1401 break;
1402
1403 case get_special:
1404 if(!svr4) {
1405 break;
1406 }
1407 if (depes->used != 0) {
1408 fatal_reader(catgets(catd, 1, 108, "Illegal dependencies for target `%s'"),
1409 target->string_mb);
1410 }
1411 get_rule = command;
1412 sccs_get_rule = command;
1413 if (trace_reader) {
1414 (void) printf("%s:\n", get_name->string_mb);
1415 print_rule(command);
1416 }
1417 break;
1418
1419 case silent_special:
1420 if ((depes->used != 0) && (!posix)){
1421 fatal_reader(catgets(catd, 1, 109, "Illegal dependencies for target `%s'"),
1422 target->string_mb);
1423 }
1424 if (depes->used == 0)
1425 {
1426 silent_all = true;
1427 }
1428 if(svr4) {
1429 silent_all = true;
1430 break;
1431 }
1432 for (; depes != NULL; depes = depes->next) {
1433 for (n = 0; n < depes->used; n++) {
1434 depes->names[n]->silent_mode = true;
1435 }
1436 }
1437 if (trace_reader) {
1438 (void) printf("%s:\n", silent_name->string_mb);
1439 }
1440 break;
1441
1442 case suffixes_special:
1443 read_suffixes_list(depes);
1444 break;
1445
1446 default:
1447
1448 fatal_reader(catgets(catd, 1, 110, "Internal error: Unknown special reader"));
1449 }
1450 }
1451
1452 /*
1453 * read_suffixes_list(depes)
1454 *
1455 * Read the special list .SUFFIXES. If it is empty the old list is
1456 * cleared. Else the new one is appended. Suffixes with ~ are extracted
1457 * and marked.
1458 *
1459 * Parameters:
1460 * depes The list of suffixes
1461 *
1462 * Global variables used:
1463 * hashtab The central hashtable for Names.
1464 * suffixes The list of suffixes, set or appended to
1465 * suffixes_name The Name ".SUFFIXES", used for tracing
1466 * trace_reader Indicates that we should echo stuff we read
1467 */
1468 static void
1469 read_suffixes_list(register Name_vector depes)
1470 {
1471 register int n;
1472 register Dependency dp;
1473 register Dependency *insert_dep;
1474 register Name np;
1475 Name np2;
1476 register Boolean first = true;
1477
1478 if (depes->used == 0) {
1479 /* .SUFFIXES with no dependency list clears the */
1480 /* suffixes list */
1481 for (Name_set::iterator np = hashtab.begin(), e = hashtab.end(); np != e; np++) {
1482 np->with_squiggle =
1483 np->without_squiggle =
1484 false;
1485 }
1486 suffixes = NULL;
1487 if (trace_reader) {
1488 (void) printf("%s:\n", suffixes_name->string_mb);
1489 }
1490 return;
1491 }
1492 Wstring str;
1493 /* Otherwise we append to the list */
1494 for (; depes != NULL; depes = depes->next) {
1495 for (n = 0; n < depes->used; n++) {
1496 np = depes->names[n];
1497 /* Find the end of the list and check if the */
1498 /* suffix already has been entered */
1499 for (insert_dep = &suffixes, dp = *insert_dep;
1500 dp != NULL;
1501 insert_dep = &dp->next, dp = *insert_dep) {
1502 if (dp->name == np) {
1503 goto duplicate_suffix;
1504 }
1505 }
1506 if (trace_reader) {
1507 if (first) {
1508 (void) printf("%s:\t",
1509 suffixes_name->string_mb);
1510 first = false;
1511 }
1512 (void) printf("%s ", depes->names[n]->string_mb);
1513 }
1514 if(!(posix|svr4)) {
1515 /* If the suffix is suffixed with "~" we */
1516 /* strip that and mark the suffix nameblock */
1517 str.init(np);
1518 wchar_t * wcb = str.get_string();
1519 if (wcb[np->hash.length - 1] ==
1520 (int) tilde_char) {
1521 np2 = GETNAME(wcb,
1522 (int)(np->hash.length - 1));
1523 np2->with_squiggle = true;
1524 if (np2->without_squiggle) {
1525 continue;
1526 }
1527 np = np2;
1528 }
1529 }
1530 np->without_squiggle = true;
1531 /* Add the suffix to the list */
1532 dp = *insert_dep = ALLOC(Dependency);
1533 insert_dep = &dp->next;
1534 dp->next = NULL;
1535 dp->name = np;
1536 dp->built = false;
1537 duplicate_suffix:;
1538 }
1539 }
1540 if (trace_reader) {
1541 (void) printf("\n");
1542 }
1543 }
1544
1545 /*
1546 * make_relative(to, result)
1547 *
1548 * Given a file name compose a relative path name from it to the
1549 * current directory.
1550 *
1551 * Parameters:
1552 * to The path we want to make relative
1553 * result Where to put the resulting relative path
1554 *
1555 * Global variables used:
1556 */
1557 static void
1558 make_relative(wchar_t *to, wchar_t *result)
1559 {
1560 wchar_t *from;
1561 wchar_t *allocated;
1562 wchar_t *cp;
1563 wchar_t *tocomp;
1564 int ncomps;
1565 int i;
1566 int len;
1567
1568 /* Check if the path is already relative. */
1569 if (to[0] != (int) slash_char) {
1570 (void) wscpy(result, to);
1571 return;
1572 }
1573
1574 MBSTOWCS(wcs_buffer, get_current_path());
1575 from = allocated = (wchar_t *) wsdup(wcs_buffer);
1576
1577 /*
1578 * Find the number of components in the from name.
1579 * ncomp = number of slashes + 1.
1580 */
1581 ncomps = 1;
1582 for (cp = from; *cp != (int) nul_char; cp++) {
1583 if (*cp == (int) slash_char) {
1584 ncomps++;
1585 }
1586 }
1587
1588 /*
1589 * See how many components match to determine how many "..",
1590 * if any, will be needed.
1591 */
1592 result[0] = (int) nul_char;
1593 tocomp = to;
1594 while ((*from != (int) nul_char) && (*from == *to)) {
1595 if (*from == (int) slash_char) {
1596 ncomps--;
1597 tocomp = &to[1];
1598 }
1599 from++;
1600 to++;
1601 }
1602
1603 /*
1604 * Now for some special cases. Check for exact matches and
1605 * for either name terminating exactly.
1606 */
1607 if (*from == (int) nul_char) {
1608 if (*to == (int) nul_char) {
1609 MBSTOWCS(wcs_buffer, ".");
1610 (void) wscpy(result, wcs_buffer);
1611 retmem(allocated);
1612 return;
1613 }
1614 if (*to == (int) slash_char) {
1615 ncomps--;
1616 tocomp = &to[1];
1617 }
1618 } else if ((*from == (int) slash_char) && (*to == (int) nul_char)) {
1619 ncomps--;
1620 tocomp = to;
1621 }
1622 /* Add on the ".."s. */
1623 for (i = 0; i < ncomps; i++) {
1624 MBSTOWCS(wcs_buffer, "../");
1625 (void) wscat(result, wcs_buffer);
1626 }
1627
1628 /* Add on the remainder of the to name, if any. */
1629 if (*tocomp == (int) nul_char) {
1630 len = wslen(result);
1631 result[len - 1] = (int) nul_char;
1632 } else {
1633 (void) wscat(result, tocomp);
1634 }
1635 retmem(allocated);
1636 return;
1637 }
1638
1639 /*
1640 * print_rule(command)
1641 *
1642 * Used when tracing the reading of rules
1643 *
1644 * Parameters:
1645 * command Command to print
1646 *
1647 * Global variables used:
1648 */
1649 static void
1650 print_rule(register Cmd_line command)
1651 {
1652 for (; command != NULL; command = command->next) {
1653 (void) printf("\t%s\n", command->command_line->string_mb);
1654 }
1655 }
1656
1657 /*
1658 * enter_conditional(target, name, value, append)
1659 *
1660 * Enter "target := MACRO= value" constructs
1661 *
1662 * Parameters:
1663 * target The target the macro is for
1664 * name The name of the macro
1665 * value The value for the macro
1666 * append Indicates if the assignment is appending or not
1667 *
1668 * Global variables used:
1669 * conditionals A special Name that stores all conditionals
1670 * where the target is a % pattern
1671 * trace_reader Indicates that we should echo stuff we read
1672 */
1673 void
1674 enter_conditional(register Name target, Name name, Name value, register Boolean append)
1675 {
1676 register Property conditional;
1677 static int sequence;
1678 Name orig_target = target;
1679
1680 if (name == target_arch) {
1681 enter_conditional(target, virtual_root, virtual_root, false);
1682 }
1683
1684 if (target->percent) {
1685 target = conditionals;
1686 }
1687
1688 if (name->colon) {
1689 sh_transform(&name, &value);
1690 }
1691
1692 /* Count how many conditionals we must activate before building the */
1693 /* target */
1694 if (target->percent) {
1695 target = conditionals;
1696 }
1697
1698 target->conditional_cnt++;
1699 maybe_append_prop(name, macro_prop)->body.macro.is_conditional = true;
1700 /* Add the property for the target */
1701 conditional = append_prop(target, conditional_prop);
1702 conditional->body.conditional.target = orig_target;
1703 conditional->body.conditional.name = name;
1704 conditional->body.conditional.value = value;
1705 conditional->body.conditional.sequence = sequence++;
1706 conditional->body.conditional.append = append;
1707 if (trace_reader) {
1708 if (value == NULL) {
1709 (void) printf("%s := %s %c=\n",
1710 target->string_mb,
1711 name->string_mb,
1712 append ?
1713 (int) plus_char : (int) space_char);
1714 } else {
1715 (void) printf("%s := %s %c= %s\n",
1716 target->string_mb,
1717 name->string_mb,
1718 append ?
1719 (int) plus_char : (int) space_char,
1720 value->string_mb);
1721 }
1722 }
1723 }
1724
1725 /*
1726 * enter_equal(name, value, append)
1727 *
1728 * Enter "MACRO= value" constructs
1729 *
1730 * Parameters:
1731 * name The name of the macro
1732 * value The value for the macro
1733 * append Indicates if the assignment is appending or not
1734 *
1735 * Global variables used:
1736 * trace_reader Indicates that we should echo stuff we read
1737 */
1738 void
1739 enter_equal(Name name, Name value, register Boolean append)
1740 {
1741 wchar_t *string;
1742 Name temp;
1743
1744 if (name->colon) {
1745 sh_transform(&name, &value);
1746 }
1747 (void) SETVAR(name, value, append);
1748
1749 /* if we're setting FC, we want to set F77 to the same value. */
1750 Wstring nms(name);
1751 wchar_t * wcb = nms.get_string();
1752 string = wcb;
1753 if (string[0]=='F' &&
1754 string[1]=='C' &&
1755 string[2]=='\0') {
1756 MBSTOWCS(wcs_buffer, NOCATGETS("F77"));
1757 temp = GETNAME(wcs_buffer, FIND_LENGTH);
1758 (void) SETVAR(temp, value, append);
1759 /*
1760 fprintf(stderr, catgets(catd, 1, 111, "warning: FC is obsolete, use F77 instead\n"));
1761 */
1762 }
1763
1764 if (trace_reader) {
1765 if (value == NULL) {
1766 (void) printf("%s %c=\n",
1767 name->string_mb,
1768 append ?
1769 (int) plus_char : (int) space_char);
1770 } else {
1771 (void) printf("%s %c= %s\n",
1772 name->string_mb,
1773 append ?
1774 (int) plus_char : (int) space_char,
1775 value->string_mb);
1776 }
1777 }
1778 }
1779
1780 /*
1781 * sh_transform(name, value)
1782 *
1783 * Parameters:
1784 * name The name of the macro we might transform
1785 * value The value to transform
1786 *
1787 */
1788 static void
1789 sh_transform(Name *name, Name *value)
1790 {
1791 /* Check if we need :sh transform */
1792 wchar_t *colon;
1793 String_rec command;
1794 String_rec destination;
1795 wchar_t buffer[1000];
1796 wchar_t buffer1[1000];
1797
1798 static wchar_t colon_sh[4];
1799 static wchar_t colon_shell[7];
1800
1801 if (colon_sh[0] == (int) nul_char) {
1802 MBSTOWCS(colon_sh, NOCATGETS(":sh"));
1803 MBSTOWCS(colon_shell, NOCATGETS(":shell"));
1804 }
1805 Wstring nms((*name));
1806 wchar_t * wcb = nms.get_string();
1807
1808 colon = (wchar_t *) wsrchr(wcb, (int) colon_char);
1809 if ((colon != NULL) && (IS_WEQUAL(colon, colon_sh) || IS_WEQUAL(colon, colon_shell))) {
1810 INIT_STRING_FROM_STACK(destination, buffer);
1811
1812 if(*value == NULL) {
1813 buffer[0] = 0;
1814 } else {
1815 Wstring wcb1((*value));
1816 if (IS_WEQUAL(colon, colon_shell)) {
1817 INIT_STRING_FROM_STACK(command, buffer1);
1818 expand_value(*value, &command, false);
1819 } else {
1820 command.text.p = wcb1.get_string() + (*value)->hash.length;
1821 command.text.end = command.text.p;
1822 command.buffer.start = wcb1.get_string();
1823 command.buffer.end = command.text.p;
1824 }
1825 sh_command2string(&command, &destination);
1826 }
1827
1828 (*value) = GETNAME(destination.buffer.start, FIND_LENGTH);
1829 *colon = (int) nul_char;
1830 (*name) = GETNAME(wcb, FIND_LENGTH);
1831 *colon = (int) colon_char;
1832 }
1833 }
1834
1835 /*
1836 * fatal_reader(format, args...)
1837 *
1838 * Parameters:
1839 * format printf style format string
1840 * args arguments to match the format
1841 *
1842 * Global variables used:
1843 * file_being_read Name of the makefile being read
1844 * line_number Line that is being read
1845 * report_pwd Indicates whether current path should be shown
1846 * temp_file_name When reading tempfile we report that name
1847 */
1848 /*VARARGS*/
1849 void
1850 fatal_reader(char * pattern, ...)
1851 {
1852 va_list args;
1853 char message[1000];
1854
1855 va_start(args, pattern);
1856 if (file_being_read != NULL) {
1857 WCSTOMBS(mbs_buffer, file_being_read);
1858 if (line_number != 0) {
1859 (void) sprintf(message,
1860 catgets(catd, 1, 112, "%s, line %d: %s"),
1861 mbs_buffer,
1862 line_number,
1863 pattern);
1864 } else {
1865 (void) sprintf(message,
1866 "%s: %s",
1867 mbs_buffer,
1868 pattern);
1869 }
1870 pattern = message;
1871 }
1872
1873 (void) fflush(stdout);
1874 (void) fprintf(stderr, catgets(catd, 1, 238, "make: Fatal error in reader: "));
1875 (void) vfprintf(stderr, pattern, args);
1876 (void) fprintf(stderr, "\n");
1877 va_end(args);
1878
1879 if (temp_file_name != NULL) {
1880 (void) fprintf(stderr,
1881 catgets(catd, 1, 239, "make: Temp-file %s not removed\n"),
1882 temp_file_name->string_mb);
1883 temp_file_name = NULL;
1884 }
1885
1886 if (report_pwd) {
1887 (void) fprintf(stderr,
1888 catgets(catd, 1, 115, "Current working directory %s\n"),
1889 get_current_path());
1890 }
1891 (void) fflush(stderr);
1892 exit_status = 1;
1893 exit(1);
1894 }
1895