Annotation of src/usr.bin/mandoc/man_validate.c, Revision 1.72
1.72 ! schwarze 1: /* $Id: man_validate.c,v 1.71 2014/07/06 19:08:56 schwarze Exp $ */
1.1 kristaps 2: /*
1.38 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.60 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.2 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
18: #include <sys/types.h>
19:
20: #include <assert.h>
21: #include <ctype.h>
1.6 schwarze 22: #include <errno.h>
23: #include <limits.h>
1.1 kristaps 24: #include <stdarg.h>
25: #include <stdlib.h>
1.28 schwarze 26: #include <string.h>
1.36 schwarze 27: #include <time.h>
1.1 kristaps 28:
1.44 schwarze 29: #include "man.h"
1.25 schwarze 30: #include "mandoc.h"
1.61 schwarze 31: #include "mandoc_aux.h"
1.1 kristaps 32: #include "libman.h"
1.5 schwarze 33: #include "libmandoc.h"
1.1 kristaps 34:
1.57 schwarze 35: #define CHKARGS struct man *man, struct man_node *n
1.1 kristaps 36:
1.7 schwarze 37: typedef int (*v_check)(CHKARGS);
1.1 kristaps 38:
39: struct man_valid {
1.7 schwarze 40: v_check *pres;
41: v_check *posts;
1.1 kristaps 42: };
43:
1.7 schwarze 44: static int check_eq0(CHKARGS);
1.52 schwarze 45: static int check_eq2(CHKARGS);
1.10 schwarze 46: static int check_le1(CHKARGS);
1.7 schwarze 47: static int check_ge2(CHKARGS);
48: static int check_le5(CHKARGS);
1.58 schwarze 49: static int check_head1(CHKARGS);
1.7 schwarze 50: static int check_par(CHKARGS);
1.8 schwarze 51: static int check_part(CHKARGS);
1.7 schwarze 52: static int check_root(CHKARGS);
1.45 schwarze 53: static void check_text(CHKARGS);
1.7 schwarze 54:
1.34 schwarze 55: static int post_AT(CHKARGS);
1.55 schwarze 56: static int post_IP(CHKARGS);
1.46 schwarze 57: static int post_vs(CHKARGS);
1.34 schwarze 58: static int post_fi(CHKARGS);
1.47 schwarze 59: static int post_ft(CHKARGS);
1.34 schwarze 60: static int post_nf(CHKARGS);
1.47 schwarze 61: static int post_sec(CHKARGS);
1.34 schwarze 62: static int post_TH(CHKARGS);
63: static int post_UC(CHKARGS);
1.47 schwarze 64: static int pre_sec(CHKARGS);
1.34 schwarze 65:
66: static v_check posts_at[] = { post_AT, NULL };
1.46 schwarze 67: static v_check posts_br[] = { post_vs, check_eq0, NULL };
1.7 schwarze 68: static v_check posts_eq0[] = { check_eq0, NULL };
1.52 schwarze 69: static v_check posts_eq2[] = { check_eq2, NULL };
1.34 schwarze 70: static v_check posts_fi[] = { check_eq0, post_fi, NULL };
1.47 schwarze 71: static v_check posts_ft[] = { post_ft, NULL };
1.55 schwarze 72: static v_check posts_ip[] = { post_IP, NULL };
1.56 schwarze 73: static v_check posts_le1[] = { check_le1, NULL };
1.34 schwarze 74: static v_check posts_nf[] = { check_eq0, post_nf, NULL };
1.7 schwarze 75: static v_check posts_par[] = { check_par, NULL };
1.8 schwarze 76: static v_check posts_part[] = { check_part, NULL };
1.47 schwarze 77: static v_check posts_sec[] = { post_sec, NULL };
1.46 schwarze 78: static v_check posts_sp[] = { post_vs, check_le1, NULL };
1.40 schwarze 79: static v_check posts_th[] = { check_ge2, check_le5, post_TH, NULL };
1.34 schwarze 80: static v_check posts_uc[] = { post_UC, NULL };
1.58 schwarze 81: static v_check posts_ur[] = { check_head1, check_part, NULL };
1.50 schwarze 82: static v_check pres_sec[] = { pre_sec, NULL };
1.1 kristaps 83:
84: static const struct man_valid man_valids[MAN_MAX] = {
1.46 schwarze 85: { NULL, posts_br }, /* br */
1.50 schwarze 86: { NULL, posts_th }, /* TH */
1.47 schwarze 87: { pres_sec, posts_sec }, /* SH */
88: { pres_sec, posts_sec }, /* SS */
1.50 schwarze 89: { NULL, NULL }, /* TP */
90: { NULL, posts_par }, /* LP */
91: { NULL, posts_par }, /* PP */
92: { NULL, posts_par }, /* P */
1.55 schwarze 93: { NULL, posts_ip }, /* IP */
1.50 schwarze 94: { NULL, NULL }, /* HP */
1.8 schwarze 95: { NULL, NULL }, /* SM */
96: { NULL, NULL }, /* SB */
1.7 schwarze 97: { NULL, NULL }, /* BI */
98: { NULL, NULL }, /* IB */
99: { NULL, NULL }, /* BR */
100: { NULL, NULL }, /* RB */
1.8 schwarze 101: { NULL, NULL }, /* R */
102: { NULL, NULL }, /* B */
103: { NULL, NULL }, /* I */
1.7 schwarze 104: { NULL, NULL }, /* IR */
105: { NULL, NULL }, /* RI */
1.52 schwarze 106: { NULL, posts_eq0 }, /* na */
107: { NULL, posts_sp }, /* sp */
1.50 schwarze 108: { NULL, posts_nf }, /* nf */
109: { NULL, posts_fi }, /* fi */
1.8 schwarze 110: { NULL, NULL }, /* RE */
111: { NULL, posts_part }, /* RS */
112: { NULL, NULL }, /* DT */
1.34 schwarze 113: { NULL, posts_uc }, /* UC */
1.56 schwarze 114: { NULL, posts_le1 }, /* PD */
1.34 schwarze 115: { NULL, posts_at }, /* AT */
1.28 schwarze 116: { NULL, NULL }, /* in */
1.32 schwarze 117: { NULL, posts_ft }, /* ft */
1.52 schwarze 118: { NULL, posts_eq2 }, /* OP */
1.53 schwarze 119: { NULL, posts_nf }, /* EX */
120: { NULL, posts_fi }, /* EE */
1.58 schwarze 121: { NULL, posts_ur }, /* UR */
122: { NULL, NULL }, /* UE */
1.62 schwarze 123: { NULL, NULL }, /* ll */
1.1 kristaps 124: };
125:
126:
127: int
1.57 schwarze 128: man_valid_pre(struct man *man, struct man_node *n)
1.7 schwarze 129: {
130: v_check *cp;
131:
1.38 schwarze 132: switch (n->type) {
1.63 schwarze 133: case MAN_TEXT:
1.38 schwarze 134: /* FALLTHROUGH */
1.63 schwarze 135: case MAN_ROOT:
1.38 schwarze 136: /* FALLTHROUGH */
1.63 schwarze 137: case MAN_EQN:
1.42 schwarze 138: /* FALLTHROUGH */
1.63 schwarze 139: case MAN_TBL:
1.7 schwarze 140: return(1);
1.38 schwarze 141: default:
142: break;
143: }
1.7 schwarze 144:
145: if (NULL == (cp = man_valids[n->tok].pres))
146: return(1);
147: for ( ; *cp; cp++)
1.63 schwarze 148: if ( ! (*cp)(man, n))
1.7 schwarze 149: return(0);
150: return(1);
151: }
152:
153: int
1.57 schwarze 154: man_valid_post(struct man *man)
1.1 kristaps 155: {
1.7 schwarze 156: v_check *cp;
1.1 kristaps 157:
1.57 schwarze 158: if (MAN_VALID & man->last->flags)
1.1 kristaps 159: return(1);
1.57 schwarze 160: man->last->flags |= MAN_VALID;
1.1 kristaps 161:
1.57 schwarze 162: switch (man->last->type) {
1.63 schwarze 163: case MAN_TEXT:
1.57 schwarze 164: check_text(man, man->last);
1.45 schwarze 165: return(1);
1.63 schwarze 166: case MAN_ROOT:
1.57 schwarze 167: return(check_root(man, man->last));
1.63 schwarze 168: case MAN_EQN:
1.42 schwarze 169: /* FALLTHROUGH */
1.63 schwarze 170: case MAN_TBL:
1.38 schwarze 171: return(1);
1.1 kristaps 172: default:
173: break;
174: }
175:
1.57 schwarze 176: if (NULL == (cp = man_valids[man->last->tok].posts))
1.1 kristaps 177: return(1);
178: for ( ; *cp; cp++)
1.57 schwarze 179: if ( ! (*cp)(man, man->last))
1.1 kristaps 180: return(0);
181:
182: return(1);
183: }
184:
1.4 schwarze 185: static int
1.63 schwarze 186: check_root(CHKARGS)
1.4 schwarze 187: {
1.7 schwarze 188:
1.72 ! schwarze 189: if ((MAN_BLINE | MAN_ELINE) & man->flags)
! 190: mandoc_msg(MANDOCERR_BLK_LINE, man->parse,
! 191: 0, 0, "at end of file");
1.8 schwarze 192:
1.57 schwarze 193: man->flags &= ~MAN_BLINE;
194: man->flags &= ~MAN_ELINE;
1.7 schwarze 195:
1.65 schwarze 196: if (NULL == man->first->child)
197: man_nmsg(man, n, MANDOCERR_DOC_EMPTY);
198: else
199: man->meta.hasbody = 1;
200:
201: if (NULL == man->meta.title) {
1.64 schwarze 202: man_nmsg(man, n, MANDOCERR_TH_MISSING);
1.35 schwarze 203:
1.18 schwarze 204: /*
205: * If a title hasn't been set, do so now (by
206: * implication, date and section also aren't set).
207: */
1.35 schwarze 208:
1.63 schwarze 209: man->meta.title = mandoc_strdup("unknown");
1.57 schwarze 210: man->meta.msec = mandoc_strdup("1");
1.60 schwarze 211: man->meta.date = man->quick ? mandoc_strdup("") :
212: mandoc_normdate(man->parse, NULL, n->line, n->pos);
1.17 schwarze 213: }
1.15 schwarze 214:
215: return(1);
216: }
217:
1.45 schwarze 218: static void
1.47 schwarze 219: check_text(CHKARGS)
1.4 schwarze 220: {
1.47 schwarze 221: char *cp, *p;
222:
1.57 schwarze 223: if (MAN_LITERAL & man->flags)
1.48 schwarze 224: return;
225:
226: cp = n->string;
227: for (p = cp; NULL != (p = strchr(p, '\t')); p++)
1.71 schwarze 228: mandoc_msg(MANDOCERR_FI_TAB, man->parse,
229: n->line, n->pos + (p - cp), NULL);
1.1 kristaps 230: }
231:
232: #define INEQ_DEFINE(x, ineq, name) \
233: static int \
1.7 schwarze 234: check_##name(CHKARGS) \
1.1 kristaps 235: { \
1.4 schwarze 236: if (n->nchild ineq (x)) \
1.1 kristaps 237: return(1); \
1.57 schwarze 238: mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line, n->pos, \
1.63 schwarze 239: "line arguments %s %d (have %d)", \
240: #ineq, (x), n->nchild); \
1.40 schwarze 241: return(1); \
1.1 kristaps 242: }
243:
244: INEQ_DEFINE(0, ==, eq0)
1.52 schwarze 245: INEQ_DEFINE(2, ==, eq2)
1.10 schwarze 246: INEQ_DEFINE(1, <=, le1)
1.1 kristaps 247: INEQ_DEFINE(2, >=, ge2)
248: INEQ_DEFINE(5, <=, le5)
1.58 schwarze 249:
250: static int
251: check_head1(CHKARGS)
252: {
253:
254: if (MAN_HEAD == n->type && 1 != n->nchild)
255: mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
256: n->pos, "line arguments eq 1 (have %d)", n->nchild);
257:
258: return(1);
259: }
1.32 schwarze 260:
261: static int
1.47 schwarze 262: post_ft(CHKARGS)
1.32 schwarze 263: {
264: char *cp;
265: int ok;
266:
267: if (0 == n->nchild)
268: return(1);
269:
270: ok = 0;
271: cp = n->child->string;
272: switch (*cp) {
1.63 schwarze 273: case '1':
1.32 schwarze 274: /* FALLTHROUGH */
1.63 schwarze 275: case '2':
1.32 schwarze 276: /* FALLTHROUGH */
1.63 schwarze 277: case '3':
1.32 schwarze 278: /* FALLTHROUGH */
1.63 schwarze 279: case '4':
1.32 schwarze 280: /* FALLTHROUGH */
1.63 schwarze 281: case 'I':
1.32 schwarze 282: /* FALLTHROUGH */
1.63 schwarze 283: case 'P':
1.32 schwarze 284: /* FALLTHROUGH */
1.63 schwarze 285: case 'R':
1.32 schwarze 286: if ('\0' == cp[1])
287: ok = 1;
288: break;
1.63 schwarze 289: case 'B':
1.32 schwarze 290: if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
291: ok = 1;
292: break;
1.63 schwarze 293: case 'C':
1.32 schwarze 294: if ('W' == cp[1] && '\0' == cp[2])
295: ok = 1;
296: break;
297: default:
298: break;
299: }
300:
301: if (0 == ok) {
1.70 schwarze 302: mandoc_vmsg(MANDOCERR_FT_BAD, man->parse,
303: n->line, n->pos, "ft %s", cp);
1.32 schwarze 304: *cp = '\0';
305: }
306:
307: if (1 < n->nchild)
1.63 schwarze 308: mandoc_vmsg(MANDOCERR_ARGCOUNT, man->parse, n->line,
309: n->pos, "want one child (have %d)", n->nchild);
1.32 schwarze 310:
311: return(1);
312: }
1.7 schwarze 313:
314: static int
1.47 schwarze 315: pre_sec(CHKARGS)
316: {
317:
318: if (MAN_BLOCK == n->type)
1.57 schwarze 319: man->flags &= ~MAN_LITERAL;
1.47 schwarze 320: return(1);
321: }
322:
323: static int
324: post_sec(CHKARGS)
1.7 schwarze 325: {
1.6 schwarze 326:
1.63 schwarze 327: if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
1.44 schwarze 328: return(1);
1.25 schwarze 329:
1.57 schwarze 330: man_nmsg(man, n, MANDOCERR_SYNTARGCOUNT);
1.44 schwarze 331: return(0);
1.6 schwarze 332: }
1.7 schwarze 333:
334: static int
1.8 schwarze 335: check_part(CHKARGS)
336: {
337:
338: if (MAN_BODY == n->type && 0 == n->nchild)
1.63 schwarze 339: mandoc_msg(MANDOCERR_ARGCWARN, man->parse, n->line,
340: n->pos, "want children (have none)");
1.35 schwarze 341:
1.8 schwarze 342: return(1);
343: }
344:
1.36 schwarze 345: static int
346: check_par(CHKARGS)
347: {
348:
1.39 schwarze 349: switch (n->type) {
1.63 schwarze 350: case MAN_BLOCK:
1.39 schwarze 351: if (0 == n->body->nchild)
1.57 schwarze 352: man_node_delete(man, n);
1.39 schwarze 353: break;
1.63 schwarze 354: case MAN_BODY:
1.39 schwarze 355: if (0 == n->nchild)
1.67 schwarze 356: mandoc_vmsg(MANDOCERR_PAR_SKIP,
357: man->parse, n->line, n->pos,
358: "%s empty", man_macronames[n->tok]);
1.39 schwarze 359: break;
1.63 schwarze 360: case MAN_HEAD:
1.39 schwarze 361: if (n->nchild)
1.69 schwarze 362: mandoc_vmsg(MANDOCERR_ARG_SKIP,
363: man->parse, n->line, n->pos,
364: "%s %s%s", man_macronames[n->tok],
365: n->child->string,
366: n->nchild > 1 ? " ..." : "");
1.39 schwarze 367: break;
368: default:
369: break;
370: }
1.36 schwarze 371:
372: return(1);
373: }
374:
1.55 schwarze 375: static int
376: post_IP(CHKARGS)
377: {
378:
379: switch (n->type) {
1.63 schwarze 380: case MAN_BLOCK:
1.55 schwarze 381: if (0 == n->head->nchild && 0 == n->body->nchild)
1.57 schwarze 382: man_node_delete(man, n);
1.55 schwarze 383: break;
1.63 schwarze 384: case MAN_BODY:
1.55 schwarze 385: if (0 == n->parent->head->nchild && 0 == n->nchild)
1.67 schwarze 386: mandoc_vmsg(MANDOCERR_PAR_SKIP,
387: man->parse, n->line, n->pos,
388: "%s empty", man_macronames[n->tok]);
1.55 schwarze 389: break;
390: default:
391: break;
392: }
393: return(1);
394: }
1.36 schwarze 395:
1.34 schwarze 396: static int
397: post_TH(CHKARGS)
398: {
1.64 schwarze 399: struct man_node *nb;
1.40 schwarze 400: const char *p;
1.34 schwarze 401:
1.57 schwarze 402: free(man->meta.title);
403: free(man->meta.vol);
404: free(man->meta.source);
405: free(man->meta.msec);
406: free(man->meta.date);
1.34 schwarze 407:
1.57 schwarze 408: man->meta.title = man->meta.vol = man->meta.date =
1.63 schwarze 409: man->meta.msec = man->meta.source = NULL;
1.34 schwarze 410:
1.64 schwarze 411: nb = n;
412:
1.34 schwarze 413: /* ->TITLE<- MSEC DATE SOURCE VOL */
414:
415: n = n->child;
1.40 schwarze 416: if (n && n->string) {
417: for (p = n->string; '\0' != *p; p++) {
418: /* Only warn about this once... */
1.63 schwarze 419: if (isalpha((unsigned char)*p) &&
420: ! isupper((unsigned char)*p)) {
1.66 schwarze 421: mandoc_msg(MANDOCERR_TITLE_CASE,
422: man->parse, n->line,
423: n->pos + (p - n->string),
424: n->string);
1.40 schwarze 425: break;
426: }
427: }
1.57 schwarze 428: man->meta.title = mandoc_strdup(n->string);
1.40 schwarze 429: } else
1.57 schwarze 430: man->meta.title = mandoc_strdup("");
1.34 schwarze 431:
432: /* TITLE ->MSEC<- DATE SOURCE VOL */
433:
1.40 schwarze 434: if (n)
435: n = n->next;
436: if (n && n->string)
1.57 schwarze 437: man->meta.msec = mandoc_strdup(n->string);
1.40 schwarze 438: else
1.57 schwarze 439: man->meta.msec = mandoc_strdup("");
1.34 schwarze 440:
441: /* TITLE MSEC ->DATE<- SOURCE VOL */
442:
1.40 schwarze 443: if (n)
444: n = n->next;
1.49 schwarze 445: if (n && n->string && '\0' != n->string[0]) {
1.60 schwarze 446: man->meta.date = man->quick ?
447: mandoc_strdup(n->string) :
448: mandoc_normdate(man->parse, n->string,
449: n->line, n->pos);
1.64 schwarze 450: } else {
1.57 schwarze 451: man->meta.date = mandoc_strdup("");
1.64 schwarze 452: man_nmsg(man, n ? n : nb, MANDOCERR_DATE_MISSING);
453: }
1.34 schwarze 454:
455: /* TITLE MSEC DATE ->SOURCE<- VOL */
456:
457: if (n && (n = n->next))
1.57 schwarze 458: man->meta.source = mandoc_strdup(n->string);
1.34 schwarze 459:
460: /* TITLE MSEC DATE SOURCE ->VOL<- */
1.51 schwarze 461: /* If missing, use the default VOL name for MSEC. */
1.34 schwarze 462:
463: if (n && (n = n->next))
1.57 schwarze 464: man->meta.vol = mandoc_strdup(n->string);
465: else if ('\0' != man->meta.msec[0] &&
466: (NULL != (p = mandoc_a2msec(man->meta.msec))))
467: man->meta.vol = mandoc_strdup(p);
1.34 schwarze 468:
469: /*
470: * Remove the `TH' node after we've processed it for our
471: * meta-data.
472: */
1.57 schwarze 473: man_node_delete(man, man->last);
1.34 schwarze 474: return(1);
475: }
476:
477: static int
478: post_nf(CHKARGS)
479: {
480:
1.57 schwarze 481: if (MAN_LITERAL & man->flags)
1.68 schwarze 482: man_nmsg(man, n, MANDOCERR_NF_SKIP);
1.34 schwarze 483:
1.57 schwarze 484: man->flags |= MAN_LITERAL;
1.34 schwarze 485: return(1);
486: }
487:
488: static int
489: post_fi(CHKARGS)
490: {
491:
1.57 schwarze 492: if ( ! (MAN_LITERAL & man->flags))
1.68 schwarze 493: man_nmsg(man, n, MANDOCERR_FI_SKIP);
1.34 schwarze 494:
1.57 schwarze 495: man->flags &= ~MAN_LITERAL;
1.34 schwarze 496: return(1);
497: }
498:
499: static int
500: post_UC(CHKARGS)
501: {
502: static const char * const bsd_versions[] = {
503: "3rd Berkeley Distribution",
504: "4th Berkeley Distribution",
505: "4.2 Berkeley Distribution",
506: "4.3 Berkeley Distribution",
507: "4.4 Berkeley Distribution",
508: };
509:
510: const char *p, *s;
511:
512: n = n->child;
513:
514: if (NULL == n || MAN_TEXT != n->type)
515: p = bsd_versions[0];
516: else {
517: s = n->string;
518: if (0 == strcmp(s, "3"))
519: p = bsd_versions[0];
520: else if (0 == strcmp(s, "4"))
521: p = bsd_versions[1];
522: else if (0 == strcmp(s, "5"))
523: p = bsd_versions[2];
524: else if (0 == strcmp(s, "6"))
525: p = bsd_versions[3];
526: else if (0 == strcmp(s, "7"))
527: p = bsd_versions[4];
528: else
529: p = bsd_versions[0];
530: }
531:
1.57 schwarze 532: free(man->meta.source);
533: man->meta.source = mandoc_strdup(p);
1.34 schwarze 534: return(1);
535: }
536:
537: static int
538: post_AT(CHKARGS)
539: {
540: static const char * const unix_versions[] = {
541: "7th Edition",
542: "System III",
543: "System V",
544: "System V Release 2",
545: };
546:
547: const char *p, *s;
548: struct man_node *nn;
549:
550: n = n->child;
551:
552: if (NULL == n || MAN_TEXT != n->type)
553: p = unix_versions[0];
554: else {
555: s = n->string;
556: if (0 == strcmp(s, "3"))
557: p = unix_versions[0];
558: else if (0 == strcmp(s, "4"))
559: p = unix_versions[1];
560: else if (0 == strcmp(s, "5")) {
561: nn = n->next;
562: if (nn && MAN_TEXT == nn->type && nn->string[0])
563: p = unix_versions[3];
564: else
565: p = unix_versions[2];
566: } else
567: p = unix_versions[0];
568: }
569:
1.57 schwarze 570: free(man->meta.source);
571: man->meta.source = mandoc_strdup(p);
1.46 schwarze 572: return(1);
573: }
574:
575: static int
576: post_vs(CHKARGS)
577: {
578:
1.54 schwarze 579: if (NULL != n->prev)
580: return(1);
581:
582: switch (n->parent->tok) {
1.63 schwarze 583: case MAN_SH:
1.54 schwarze 584: /* FALLTHROUGH */
1.63 schwarze 585: case MAN_SS:
1.67 schwarze 586: mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos,
587: "%s after %s", man_macronames[n->tok],
588: man_macronames[n->parent->tok]);
1.54 schwarze 589: /* FALLTHROUGH */
1.63 schwarze 590: case MAN_MAX:
591: /*
1.54 schwarze 592: * Don't warn about this because it occurs in pod2man
593: * and would cause considerable (unfixable) warnage.
594: */
1.57 schwarze 595: man_node_delete(man, n);
1.54 schwarze 596: break;
597: default:
598: break;
599: }
1.46 schwarze 600:
1.34 schwarze 601: return(1);
602: }