Annotation of mandoc/mdoc_validate.c, Revision 1.5
1.5 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.4 2009/04/12 19:19:57 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.5 ! kristaps 6: * purpose with or without fee is hereby granted, provided that the above
! 7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.5 ! kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
! 15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #include <sys/types.h>
18:
19: #include <assert.h>
20: #include <ctype.h>
21: #include <stdarg.h>
22: #include <stdlib.h>
1.2 kristaps 23: #include <string.h>
1.1 kristaps 24:
25: #include "libmdoc.h"
26:
27: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
28: /* TODO: ignoring Pp (it's superfluous in some invocations). */
29:
30: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
31: #define POST_ARGS struct mdoc *mdoc
32:
33: enum merr {
1.2 kristaps 34: ETOOLONG,
1.1 kristaps 35: EESCAPE,
36: EPRINT,
37: ENODATA,
38: ENOPROLOGUE,
39: ELINE,
40: EATT,
41: ENAME,
42: ELISTTYPE,
43: EDISPTYPE,
44: EMULTIDISP,
45: EMULTILIST,
46: EARGREP,
47: EBOOL,
48: ENESTDISP
49: };
50:
51: enum mwarn {
1.4 kristaps 52: WPRINT,
1.1 kristaps 53: WESCAPE,
54: WWRONGMSEC,
55: WSECOOO,
56: WSECREP,
57: WBADSTAND,
58: WNAMESECINC,
59: WNOMULTILINE,
60: WMULTILINE,
61: WLINE,
62: WNOLINE,
63: WPROLOOO,
64: WPROLREP,
65: WARGVAL,
66: WBADSEC,
67: WBADMSEC
68: };
69:
70: typedef int (*v_pre)(PRE_ARGS);
71: typedef int (*v_post)(POST_ARGS);
72:
73: struct valids {
74: v_pre *pre;
75: v_post *post;
76: };
77:
78: static int pwarn(struct mdoc *, int, int, enum mwarn);
79: static int perr(struct mdoc *, int, int, enum merr);
80: static int check_parent(PRE_ARGS, int, enum mdoc_type);
81: static int check_msec(PRE_ARGS, ...);
82: static int check_sec(PRE_ARGS, ...);
83: static int check_stdarg(PRE_ARGS);
84: static int check_text(struct mdoc *, int, int, const char *);
85: static int check_argv(struct mdoc *,
86: const struct mdoc_node *,
87: const struct mdoc_argv *);
88: static int check_args(struct mdoc *,
89: const struct mdoc_node *);
90: static int err_child_lt(struct mdoc *, const char *, int);
91: static int warn_child_lt(struct mdoc *, const char *, int);
92: static int err_child_gt(struct mdoc *, const char *, int);
93: static int warn_child_gt(struct mdoc *, const char *, int);
94: static int err_child_eq(struct mdoc *, const char *, int);
95: static int warn_child_eq(struct mdoc *, const char *, int);
1.2 kristaps 96: static int count_child(struct mdoc *);
1.4 kristaps 97: static int warn_print(struct mdoc *, int, int);
1.2 kristaps 98: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 99: int, const char *, int);
1.2 kristaps 100: static int err_count(struct mdoc *, const char *,
1.1 kristaps 101: int, const char *, int);
102: static int pre_an(PRE_ARGS);
103: static int pre_bd(PRE_ARGS);
104: static int pre_bl(PRE_ARGS);
105: static int pre_cd(PRE_ARGS);
106: static int pre_dd(PRE_ARGS);
107: static int pre_display(PRE_ARGS);
108: static int pre_dt(PRE_ARGS);
109: static int pre_er(PRE_ARGS);
110: static int pre_ex(PRE_ARGS);
111: static int pre_fd(PRE_ARGS);
112: static int pre_it(PRE_ARGS);
113: static int pre_lb(PRE_ARGS);
114: static int pre_os(PRE_ARGS);
115: static int pre_prologue(PRE_ARGS);
116: static int pre_rv(PRE_ARGS);
117: static int pre_sh(PRE_ARGS);
118: static int pre_ss(PRE_ARGS);
119: static int herr_ge1(POST_ARGS);
120: static int hwarn_le1(POST_ARGS);
121: static int herr_eq0(POST_ARGS);
122: static int eerr_eq0(POST_ARGS);
123: static int eerr_le2(POST_ARGS);
124: static int eerr_eq1(POST_ARGS);
125: static int eerr_ge1(POST_ARGS);
126: static int ewarn_eq0(POST_ARGS);
127: static int ewarn_eq1(POST_ARGS);
128: static int bwarn_ge1(POST_ARGS);
129: static int hwarn_eq1(POST_ARGS);
130: static int ewarn_ge1(POST_ARGS);
131: static int ebool(POST_ARGS);
132: static int post_an(POST_ARGS);
133: static int post_args(POST_ARGS);
134: static int post_at(POST_ARGS);
135: static int post_bf(POST_ARGS);
136: static int post_bl(POST_ARGS);
137: static int post_it(POST_ARGS);
138: static int post_nm(POST_ARGS);
139: static int post_root(POST_ARGS);
140: static int post_sh(POST_ARGS);
141: static int post_sh_body(POST_ARGS);
142: static int post_sh_head(POST_ARGS);
143: static int post_st(POST_ARGS);
144:
1.2 kristaps 145: #define vwarn(m, t) nwarn((m), (m)->last, (t))
146: #define verr(m, t) nerr((m), (m)->last, (t))
1.1 kristaps 147: #define nwarn(m, n, t) pwarn((m), (n)->line, (n)->pos, (t))
148: #define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t))
149:
150: static v_pre pres_an[] = { pre_an, NULL };
151: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
152: static v_pre pres_bl[] = { pre_bl, NULL };
153: static v_pre pres_cd[] = { pre_cd, NULL };
154: static v_pre pres_dd[] = { pre_prologue, pre_dd, NULL };
155: static v_pre pres_d1[] = { pre_display, NULL };
156: static v_pre pres_dt[] = { pre_prologue, pre_dt, NULL };
157: static v_pre pres_er[] = { pre_er, NULL };
158: static v_pre pres_ex[] = { pre_ex, NULL };
159: static v_pre pres_fd[] = { pre_fd, NULL };
160: static v_pre pres_it[] = { pre_it, NULL };
161: static v_pre pres_lb[] = { pre_lb, NULL };
162: static v_pre pres_os[] = { pre_prologue, pre_os, NULL };
163: static v_pre pres_rv[] = { pre_rv, NULL };
164: static v_pre pres_sh[] = { pre_sh, NULL };
165: static v_pre pres_ss[] = { pre_ss, NULL };
166: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
167: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
168: static v_post posts_text[] = { eerr_ge1, NULL };
169: static v_post posts_wtext[] = { ewarn_ge1, NULL };
170: static v_post posts_notext[] = { eerr_eq0, NULL };
171: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
172: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
173: static v_post posts_bl[] = { herr_eq0, bwarn_ge1, post_bl, NULL };
174: static v_post posts_it[] = { post_it, NULL };
175: static v_post posts_in[] = { ewarn_eq1, NULL };
176: static v_post posts_ss[] = { herr_ge1, NULL };
177: static v_post posts_pf[] = { eerr_eq1, NULL };
178: static v_post posts_lb[] = { eerr_eq1, NULL };
179: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
180: static v_post posts_pp[] = { ewarn_eq0, NULL };
181: static v_post posts_ex[] = { eerr_eq0, post_args, NULL };
182: static v_post posts_rv[] = { eerr_eq0, post_args, NULL };
183: static v_post posts_an[] = { post_an, NULL };
184: static v_post posts_at[] = { post_at, NULL };
185: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
186: static v_post posts_nm[] = { post_nm, NULL };
187: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
188: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
189:
190: const struct valids mdoc_valids[MDOC_MAX] = {
191: { NULL, NULL }, /* \" */
192: { pres_dd, posts_text }, /* Dd */
193: { pres_dt, NULL }, /* Dt */
194: { pres_os, NULL }, /* Os */
195: { pres_sh, posts_sh }, /* Sh */
196: { pres_ss, posts_ss }, /* Ss */
197: { NULL, posts_pp }, /* Pp */
198: { pres_d1, posts_wline }, /* D1 */
199: { pres_d1, posts_wline }, /* Dl */
200: { pres_bd, posts_bd }, /* Bd */
201: { NULL, NULL }, /* Ed */
202: { pres_bl, posts_bl }, /* Bl */
203: { NULL, NULL }, /* El */
204: { pres_it, posts_it }, /* It */
205: { NULL, posts_text }, /* Ad */
206: { pres_an, posts_an }, /* An */
207: { NULL, NULL }, /* Ar */
208: { pres_cd, posts_text }, /* Cd */
209: { NULL, NULL }, /* Cm */
210: { NULL, NULL }, /* Dv */
211: { pres_er, posts_text }, /* Er */
212: { NULL, NULL }, /* Ev */
213: { pres_ex, posts_ex }, /* Ex */
214: { NULL, NULL }, /* Fa */
215: { pres_fd, posts_wtext }, /* Fd */
216: { NULL, NULL }, /* Fl */
217: { NULL, posts_text }, /* Fn */
218: { NULL, posts_wtext }, /* Ft */
219: { NULL, posts_text }, /* Ic */
220: { NULL, posts_in }, /* In */
221: { NULL, NULL }, /* Li */
222: { NULL, posts_wtext }, /* Nd */
223: { NULL, posts_nm }, /* Nm */
224: { NULL, posts_wline }, /* Op */
225: { NULL, NULL }, /* Ot */
226: { NULL, NULL }, /* Pa */
227: { pres_rv, posts_rv }, /* Rv */
228: { NULL, posts_st }, /* St */
229: { NULL, NULL }, /* Va */
230: { NULL, posts_text }, /* Vt */
231: { NULL, posts_xr }, /* Xr */
232: { NULL, posts_text }, /* %A */
233: { NULL, posts_text }, /* %B */
234: { NULL, posts_text }, /* %D */
235: { NULL, posts_text }, /* %I */
236: { NULL, posts_text }, /* %J */
237: { NULL, posts_text }, /* %N */
238: { NULL, posts_text }, /* %O */
239: { NULL, posts_text }, /* %P */
240: { NULL, posts_text }, /* %R */
241: { NULL, posts_text }, /* %T */
242: { NULL, posts_text }, /* %V */
243: { NULL, NULL }, /* Ac */
244: { NULL, NULL }, /* Ao */
245: { NULL, posts_wline }, /* Aq */
246: { NULL, posts_at }, /* At */
247: { NULL, NULL }, /* Bc */
248: { NULL, posts_bf }, /* Bf */
249: { NULL, NULL }, /* Bo */
250: { NULL, posts_wline }, /* Bq */
251: { NULL, NULL }, /* Bsx */
252: { NULL, NULL }, /* Bx */
253: { NULL, posts_bool }, /* Db */
254: { NULL, NULL }, /* Dc */
255: { NULL, NULL }, /* Do */
256: { NULL, posts_wline }, /* Dq */
257: { NULL, NULL }, /* Ec */
258: { NULL, NULL }, /* Ef */
259: { NULL, NULL }, /* Em */
260: { NULL, NULL }, /* Eo */
261: { NULL, NULL }, /* Fx */
262: { NULL, posts_text }, /* Ms */
263: { NULL, posts_notext }, /* No */
264: { NULL, posts_notext }, /* Ns */
265: { NULL, NULL }, /* Nx */
266: { NULL, NULL }, /* Ox */
267: { NULL, NULL }, /* Pc */
268: { NULL, posts_pf }, /* Pf */
269: { NULL, NULL }, /* Po */
270: { NULL, posts_wline }, /* Pq */
271: { NULL, NULL }, /* Qc */
272: { NULL, posts_wline }, /* Ql */
273: { NULL, NULL }, /* Qo */
274: { NULL, posts_wline }, /* Qq */
275: { NULL, NULL }, /* Re */
276: { NULL, posts_wline }, /* Rs */
277: { NULL, NULL }, /* Sc */
278: { NULL, NULL }, /* So */
279: { NULL, posts_wline }, /* Sq */
280: { NULL, posts_bool }, /* Sm */
281: { NULL, posts_text }, /* Sx */
282: { NULL, posts_text }, /* Sy */
283: { NULL, posts_text }, /* Tn */
284: { NULL, NULL }, /* Ux */
285: { NULL, NULL }, /* Xc */
286: { NULL, NULL }, /* Xo */
287: { NULL, posts_fo }, /* Fo */
288: { NULL, NULL }, /* Fc */
289: { NULL, NULL }, /* Oo */
290: { NULL, NULL }, /* Oc */
291: { NULL, posts_wline }, /* Bk */
292: { NULL, NULL }, /* Ek */
293: { NULL, posts_notext }, /* Bt */
294: { NULL, NULL }, /* Hf */
295: { NULL, NULL }, /* Fr */
296: { NULL, posts_notext }, /* Ud */
297: { pres_lb, posts_lb }, /* Lb */
298: { NULL, NULL }, /* Ap */
299: { NULL, posts_pp }, /* Lp */
300: { NULL, posts_text }, /* Lk */
301: { NULL, posts_text }, /* Mt */
302: { NULL, posts_wline }, /* Brq */
303: { NULL, NULL }, /* Bro */
304: { NULL, NULL }, /* Brc */
305: { NULL, posts_text }, /* %C */
306: { NULL, NULL }, /* Es */
307: { NULL, NULL }, /* En */
308: { NULL, NULL }, /* Dx */
309: { NULL, posts_text }, /* %Q */
310: };
311:
312:
1.2 kristaps 313: #ifdef __linux__
314: extern size_t strlcat(char *, const char *, size_t);
315: #endif
316:
317:
1.1 kristaps 318: int
319: mdoc_valid_pre(struct mdoc *mdoc,
320: const struct mdoc_node *n)
321: {
322: v_pre *p;
323: int line, pos;
324: const char *tp;
325:
326: if (MDOC_TEXT == n->type) {
327: tp = n->string;
328: line = n->line;
329: pos = n->pos;
330: return(check_text(mdoc, line, pos, tp));
331: }
332:
333: if ( ! check_args(mdoc, n))
334: return(0);
335: if (NULL == mdoc_valids[n->tok].pre)
336: return(1);
337: for (p = mdoc_valids[n->tok].pre; *p; p++)
338: if ( ! (*p)(mdoc, n))
339: return(0);
340: return(1);
341: }
342:
343:
344: int
345: mdoc_valid_post(struct mdoc *mdoc)
346: {
347: v_post *p;
348:
349: /*
350: * This check occurs after the macro's children have been filled
351: * in: postfix validation. Since this happens when we're
352: * rewinding the scope tree, it's possible to have multiple
353: * invocations (as by design, for now), we set bit MDOC_VALID to
354: * indicate that we've validated.
355: */
356:
357: if (MDOC_VALID & mdoc->last->flags)
358: return(1);
359: mdoc->last->flags |= MDOC_VALID;
360:
361: if (MDOC_TEXT == mdoc->last->type)
362: return(1);
363: if (MDOC_ROOT == mdoc->last->type)
364: return(post_root(mdoc));
365:
366: if (NULL == mdoc_valids[mdoc->last->tok].post)
367: return(1);
368: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
369: if ( ! (*p)(mdoc))
370: return(0);
371:
372: return(1);
373: }
374:
375:
376: static int
377: perr(struct mdoc *m, int line, int pos, enum merr type)
378: {
379: char *p;
380:
381: p = NULL;
382: switch (type) {
1.2 kristaps 383: case (ETOOLONG):
384: p = "text argument too long";
385: break;
1.1 kristaps 386: case (EESCAPE):
387: p = "invalid escape sequence";
388: break;
389: case (EPRINT):
390: p = "invalid character";
391: break;
392: case (ENESTDISP):
393: p = "displays may not be nested";
394: break;
395: case (EBOOL):
396: p = "expected boolean value";
397: break;
398: case (EARGREP):
399: p = "argument repeated";
400: break;
401: case (EMULTIDISP):
402: p = "multiple display types specified";
403: break;
404: case (EMULTILIST):
405: p = "multiple list types specified";
406: break;
407: case (ELISTTYPE):
408: p = "missing list type";
409: break;
410: case (EDISPTYPE):
411: p = "missing display type";
412: break;
413: case (ELINE):
414: p = "expected line arguments";
415: break;
416: case (ENOPROLOGUE):
417: p = "document has no prologue";
418: break;
419: case (ENODATA):
420: p = "document has no data";
421: break;
422: case (EATT):
423: p = "expected valid AT&T symbol";
424: break;
425: case (ENAME):
426: p = "default name not yet set";
427: break;
428: }
429: assert(p);
430: return(mdoc_perr(m, line, pos, p));
431: }
432:
433:
434: static int
435: pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
436: {
437: char *p;
438: enum mdoc_warn c;
439:
440: c = WARN_SYNTAX;
441: p = NULL;
442: switch (type) {
443: case (WBADMSEC):
444: p = "inappropriate manual section";
445: c = WARN_COMPAT;
446: break;
447: case (WBADSEC):
448: p = "inappropriate document section";
449: c = WARN_COMPAT;
450: break;
451: case (WARGVAL):
452: p = "argument value suggested";
453: c = WARN_COMPAT;
454: break;
455: case (WPROLREP):
456: p = "prologue macros repeated";
457: c = WARN_COMPAT;
458: break;
459: case (WPROLOOO):
460: p = "prologue macros out-of-order";
461: c = WARN_COMPAT;
462: break;
1.4 kristaps 463: case (WPRINT):
464: p = "invalid character";
465: break;
1.1 kristaps 466: case (WESCAPE):
467: p = "invalid escape sequence";
468: break;
469: case (WNOLINE):
470: p = "suggested no line arguments";
471: break;
472: case (WLINE):
473: p = "suggested line arguments";
474: break;
475: case (WMULTILINE):
476: p = "suggested multi-line arguments";
477: break;
478: case (WNOMULTILINE):
479: p = "suggested no multi-line arguments";
480: break;
481: case (WWRONGMSEC):
482: p = "document section in wrong manual section";
483: c = WARN_COMPAT;
484: break;
485: case (WSECOOO):
486: p = "document section out of conventional order";
487: break;
488: case (WSECREP):
489: p = "document section repeated";
490: break;
491: case (WBADSTAND):
492: p = "unknown standard";
493: break;
494: case (WNAMESECINC):
495: p = "NAME section contents incomplete/badly-ordered";
496: break;
497: }
498: assert(p);
499: return(mdoc_pwarn(m, line, pos, c, p));
500: }
501:
502:
1.4 kristaps 503: static int
504: warn_print(struct mdoc *m, int ln, int pos)
505: {
506: if (MDOC_IGN_CHARS & m->pflags)
507: return(pwarn(m, ln, pos, WPRINT));
508: return(perr(m, ln, pos, EPRINT));
509: }
510:
1.1 kristaps 511:
512: static inline int
513: warn_count(struct mdoc *m, const char *k,
514: int want, const char *v, int has)
515: {
516:
517: return(mdoc_warn(m, WARN_SYNTAX,
518: "suggests %s %s %d (has %d)", v, k, want, has));
519: }
520:
521:
522: static inline int
523: err_count(struct mdoc *m, const char *k,
524: int want, const char *v, int has)
525: {
526:
527: return(mdoc_err(m,
528: "requires %s %s %d (has %d)", v, k, want, has));
529: }
530:
531:
532: static inline int
533: count_child(struct mdoc *mdoc)
534: {
535: int i;
536: struct mdoc_node *n;
537:
538: for (i = 0, n = mdoc->last->child; n; n = n->next, i++)
539: /* Do nothing */ ;
540:
541: return(i);
542: }
543:
544:
545: /*
546: * Build these up with macros because they're basically the same check
547: * for different inequalities. Yes, this could be done with functions,
548: * but this is reasonable for now.
549: */
550:
551: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
552: static int \
553: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
554: { \
555: int i; \
556: if ((i = count_child(mdoc)) ineq sz) \
557: return(1); \
558: return(lvl##_count(mdoc, #ineq, sz, p, i)); \
559: }
560:
561: #define CHECK_BODY_DEFN(name, lvl, func, num) \
562: static int \
563: b##lvl##_##name(POST_ARGS) \
564: { \
565: if (MDOC_BODY != mdoc->last->type) \
566: return(1); \
567: return(func(mdoc, "multi-line arguments", (num))); \
568: }
569:
570: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
571: static int \
572: e##lvl##_##name(POST_ARGS) \
573: { \
574: assert(MDOC_ELEM == mdoc->last->type); \
575: return(func(mdoc, "line arguments", (num))); \
576: }
577:
578: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
579: static int \
580: h##lvl##_##name(POST_ARGS) \
581: { \
582: if (MDOC_HEAD != mdoc->last->type) \
583: return(1); \
584: return(func(mdoc, "line arguments", (num))); \
585: }
586:
587:
588: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
589: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
590: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
591: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
592: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
593: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
594: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
595: CHECK_ELEM_DEFN(eq1, warn, warn_child_eq, 1) /* ewarn_eq1() */
596: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
597: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
598: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
599: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
600: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
601: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
602: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
603: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
604: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
605: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
606:
607:
608: static int
609: check_stdarg(PRE_ARGS)
610: {
611:
612: if (n->args && 1 == n->args->argc)
613: if (MDOC_Std == n->args->argv[0].arg)
614: return(1);
615: return(nwarn(mdoc, n, WARGVAL));
616: }
617:
618:
619: static int
620: check_sec(PRE_ARGS, ...)
621: {
622: enum mdoc_sec sec;
623: va_list ap;
624:
625: va_start(ap, n);
626:
627: for (;;) {
628: /* LINTED */
629: sec = (enum mdoc_sec)va_arg(ap, int);
630: if (SEC_CUSTOM == sec)
631: break;
632: if (sec != mdoc->lastsec)
633: continue;
634: va_end(ap);
635: return(1);
636: }
637:
638: va_end(ap);
639: return(nwarn(mdoc, n, WBADSEC));
640: }
641:
642:
643: static int
644: check_msec(PRE_ARGS, ...)
645: {
646: va_list ap;
647: int msec;
648:
649: va_start(ap, n);
650: for (;;) {
651: /* LINTED */
652: if (0 == (msec = va_arg(ap, int)))
653: break;
654: if (msec != mdoc->meta.msec)
655: continue;
656: va_end(ap);
657: return(1);
658: }
659:
660: va_end(ap);
661: return(nwarn(mdoc, n, WBADMSEC));
662: }
663:
664:
665: static int
666: check_args(struct mdoc *m, const struct mdoc_node *n)
667: {
668: int i;
669:
670: if (NULL == n->args)
671: return(1);
672:
673: assert(n->args->argc);
674: for (i = 0; i < (int)n->args->argc; i++)
675: if ( ! check_argv(m, n, &n->args->argv[i]))
676: return(0);
677:
678: return(1);
679: }
680:
681:
682: static int
683: check_argv(struct mdoc *m, const struct mdoc_node *n,
684: const struct mdoc_argv *v)
685: {
686: int i;
687:
688: for (i = 0; i < (int)v->sz; i++)
689: if ( ! check_text(m, v->line, v->pos, v->value[i]))
690: return(0);
691:
692: if (MDOC_Std == v->arg) {
693: /* `Nm' name must be set. */
694: if (v->sz || m->meta.name)
695: return(1);
696: return(nerr(m, n, ENAME));
697: }
698:
699: return(1);
700: }
701:
702:
703: static int
704: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
705: {
706: size_t c;
707:
708: /* FIXME: indicate deprecated escapes \*(xx and \*x. */
709:
710: for ( ; *p; p++) {
711: if ('\t' == *p) {
712: if ( ! (MDOC_LITERAL & mdoc->flags))
1.4 kristaps 713: if ( ! warn_print(mdoc, line, pos))
714: return(0);
1.1 kristaps 715: } else if ( ! isprint((u_char)*p))
1.4 kristaps 716: if ( ! warn_print(mdoc, line, pos))
717: return(0);
1.1 kristaps 718:
719: if ('\\' != *p)
720: continue;
721:
722: c = mdoc_isescape(p);
723: if (c) {
724: p += (int)c - 1;
725: continue;
726: }
727: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
728: return(perr(mdoc, line, pos, EESCAPE));
729: if ( ! pwarn(mdoc, line, pos, WESCAPE))
730: return(0);
731: }
732:
733: return(1);
734: }
735:
736:
737:
738:
739: static int
740: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
741: {
742:
743: assert(n->parent);
744: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
745: (t == n->parent->type))
746: return(1);
747:
748: return(mdoc_nerr(mdoc, n, "require parent %s",
749: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
750: }
751:
752:
753:
754: static int
755: pre_display(PRE_ARGS)
756: {
757: struct mdoc_node *node;
758:
759: /* Display elements (`Bd', `D1'...) cannot be nested. */
760:
761: if (MDOC_BLOCK != n->type)
762: return(1);
763:
764: /* LINTED */
765: for (node = mdoc->last->parent; node; node = node->parent)
766: if (MDOC_BLOCK == node->type)
767: if (MDOC_Bd == node->tok)
768: break;
769: if (NULL == node)
770: return(1);
771:
772: return(nerr(mdoc, n, ENESTDISP));
773: }
774:
775:
776: static int
777: pre_bl(PRE_ARGS)
778: {
779: int i, type, width, offset;
780:
781: if (MDOC_BLOCK != n->type)
782: return(1);
783: if (NULL == n->args)
784: return(nerr(mdoc, n, ELISTTYPE));
785:
786: /* Make sure that only one type of list is specified. */
787:
788: type = offset = width = -1;
789:
790: /* LINTED */
791: for (i = 0; i < (int)n->args->argc; i++)
792: switch (n->args->argv[i].arg) {
793: case (MDOC_Bullet):
794: /* FALLTHROUGH */
795: case (MDOC_Dash):
796: /* FALLTHROUGH */
797: case (MDOC_Enum):
798: /* FALLTHROUGH */
799: case (MDOC_Hyphen):
800: /* FALLTHROUGH */
801: case (MDOC_Item):
802: /* FALLTHROUGH */
803: case (MDOC_Tag):
804: /* FALLTHROUGH */
805: case (MDOC_Diag):
806: /* FALLTHROUGH */
807: case (MDOC_Hang):
808: /* FALLTHROUGH */
809: case (MDOC_Ohang):
810: /* FALLTHROUGH */
811: case (MDOC_Inset):
812: /* FALLTHROUGH */
813: case (MDOC_Column):
814: if (-1 == type) {
815: type = n->args->argv[i].arg;
816: break;
817: }
818: return(nerr(mdoc, n, EMULTILIST));
819: case (MDOC_Width):
820: if (-1 == width) {
821: width = n->args->argv[i].arg;
822: break;
823: }
824: return(nerr(mdoc, n, EARGREP));
825: case (MDOC_Offset):
826: if (-1 == offset) {
827: offset = n->args->argv[i].arg;
828: break;
829: }
830: return(nerr(mdoc, n, EARGREP));
831: default:
832: break;
833: }
834:
835: if (-1 == type)
836: return(nerr(mdoc, n, ELISTTYPE));
837:
838: switch (type) {
839: case (MDOC_Column):
840: /* FALLTHROUGH */
841: case (MDOC_Diag):
842: /* FALLTHROUGH */
843: case (MDOC_Inset):
844: /* FALLTHROUGH */
845: case (MDOC_Item):
846: if (-1 == width)
847: break;
848: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
849: "superfluous %s argument",
850: mdoc_argnames[MDOC_Width]));
851: case (MDOC_Tag):
852: if (-1 != width)
853: break;
854: return(mdoc_nwarn(mdoc, n, WARN_SYNTAX,
855: "suggest %s argument",
856: mdoc_argnames[MDOC_Width]));
857: default:
858: break;
859: }
860:
861: return(1);
862: }
863:
864:
865: static int
866: pre_bd(PRE_ARGS)
867: {
868: int i, type, err;
869:
870: if (MDOC_BLOCK != n->type)
871: return(1);
872: if (NULL == n->args)
873: return(nerr(mdoc, n, EDISPTYPE));
874:
875: /* Make sure that only one type of display is specified. */
876:
877: /* LINTED */
878: for (i = 0, err = type = 0; ! err &&
879: i < (int)n->args->argc; i++)
880: switch (n->args->argv[i].arg) {
881: case (MDOC_Ragged):
882: /* FALLTHROUGH */
883: case (MDOC_Unfilled):
884: /* FALLTHROUGH */
885: case (MDOC_Filled):
886: /* FALLTHROUGH */
887: case (MDOC_Literal):
888: /* FALLTHROUGH */
889: case (MDOC_File):
890: if (0 == type++)
891: break;
892: return(nerr(mdoc, n, EMULTIDISP));
893: default:
894: break;
895: }
896:
897: if (type)
898: return(1);
899: return(nerr(mdoc, n, EDISPTYPE));
900: }
901:
902:
903: static int
904: pre_ss(PRE_ARGS)
905: {
906:
907: if (MDOC_BLOCK != n->type)
908: return(1);
909: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
910: }
911:
912:
913: static int
914: pre_sh(PRE_ARGS)
915: {
916:
917: if (MDOC_BLOCK != n->type)
918: return(1);
919: return(check_parent(mdoc, n, -1, MDOC_ROOT));
920: }
921:
922:
923: static int
924: pre_it(PRE_ARGS)
925: {
926:
927: if (MDOC_BLOCK != n->type)
928: return(1);
929: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
930: }
931:
932:
933: static int
934: pre_an(PRE_ARGS)
935: {
936:
937: if (NULL == n->args || 1 == n->args->argc)
938: return(1);
939: return(mdoc_nerr(mdoc, n, "only one argument allowed"));
940: }
941:
942:
943: static int
944: pre_lb(PRE_ARGS)
945: {
946:
947: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
948: }
949:
950:
951: static int
952: pre_rv(PRE_ARGS)
953: {
954:
955: if ( ! check_msec(mdoc, n, 2, 3, 0))
956: return(0);
957: return(check_stdarg(mdoc, n));
958: }
959:
960:
961: static int
962: pre_ex(PRE_ARGS)
963: {
964:
965: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
966: return(0);
967: return(check_stdarg(mdoc, n));
968: }
969:
970:
971: static int
972: pre_er(PRE_ARGS)
973: {
974:
975: return(check_msec(mdoc, n, 2, 0));
976: }
977:
978:
979: static int
980: pre_cd(PRE_ARGS)
981: {
982:
983: return(check_msec(mdoc, n, 4, 0));
984: }
985:
986:
987: static int
988: pre_prologue(PRE_ARGS)
989: {
990:
991: return(check_sec(mdoc, n, SEC_PROLOGUE, SEC_CUSTOM));
992: }
993:
994:
995: static int
996: pre_dt(PRE_ARGS)
997: {
998:
999: if (0 == mdoc->meta.date || mdoc->meta.os)
1000: if ( ! nwarn(mdoc, n, WPROLOOO))
1001: return(0);
1002: if (mdoc->meta.title)
1003: if ( ! nwarn(mdoc, n, WPROLREP))
1004: return(0);
1005: return(1);
1006: }
1007:
1008:
1009: static int
1010: pre_os(PRE_ARGS)
1011: {
1012:
1013: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1014: if ( ! nwarn(mdoc, n, WPROLOOO))
1015: return(0);
1016: if (mdoc->meta.os)
1017: if ( ! nwarn(mdoc, n, WPROLREP))
1018: return(0);
1019: return(1);
1020: }
1021:
1022:
1023: static int
1024: pre_dd(PRE_ARGS)
1025: {
1026:
1027: if (mdoc->meta.title || mdoc->meta.os)
1028: if ( ! nwarn(mdoc, n, WPROLOOO))
1029: return(0);
1030: if (mdoc->meta.date)
1031: if ( ! nwarn(mdoc, n, WPROLREP))
1032: return(0);
1033: return(1);
1034: }
1035:
1036:
1037: static int
1038: post_bf(POST_ARGS)
1039: {
1040: char *p;
1041: struct mdoc_node *head;
1042:
1043: if (MDOC_BLOCK != mdoc->last->type)
1044: return(1);
1045:
1046: head = mdoc->last->head;
1047:
1048: if (NULL == mdoc->last->args) {
1049: if (NULL == head->child ||
1050: MDOC_TEXT != head->child->type)
1051: return(mdoc_err(mdoc, "text argument expected"));
1052:
1053: p = head->child->string;
1.2 kristaps 1054: if (0 == strcmp(p, "Em"))
1.1 kristaps 1055: return(1);
1.2 kristaps 1056: else if (0 == strcmp(p, "Li"))
1.1 kristaps 1057: return(1);
1.2 kristaps 1058: else if (0 == strcmp(p, "Sm"))
1.1 kristaps 1059: return(1);
1060: return(mdoc_nerr(mdoc, head->child, "invalid font"));
1061: }
1062:
1063: if (head->child)
1064: return(mdoc_err(mdoc, "one argument expected"));
1065:
1066: return(1);
1067: }
1068:
1069:
1070: static int
1071: post_nm(POST_ARGS)
1072: {
1073:
1074: if (mdoc->last->child)
1075: return(1);
1076: if (mdoc->meta.name)
1077: return(1);
1.2 kristaps 1078: return(verr(mdoc, ENAME));
1.1 kristaps 1079: }
1080:
1081:
1082: static int
1083: post_at(POST_ARGS)
1084: {
1085:
1086: if (NULL == mdoc->last->child)
1087: return(1);
1088: if (MDOC_TEXT != mdoc->last->child->type)
1.2 kristaps 1089: return(verr(mdoc, EATT));
1.1 kristaps 1090: if (mdoc_a2att(mdoc->last->child->string))
1091: return(1);
1.2 kristaps 1092: return(verr(mdoc, EATT));
1.1 kristaps 1093: }
1094:
1095:
1096: static int
1097: post_an(POST_ARGS)
1098: {
1099:
1100: if (mdoc->last->args) {
1101: if (NULL == mdoc->last->child)
1102: return(1);
1.2 kristaps 1103: return(verr(mdoc, ELINE));
1.1 kristaps 1104: }
1105:
1106: if (mdoc->last->child)
1107: return(1);
1.2 kristaps 1108: return(verr(mdoc, ELINE));
1.1 kristaps 1109: }
1110:
1111:
1112: static int
1113: post_args(POST_ARGS)
1114: {
1115:
1116: if (mdoc->last->args)
1117: return(1);
1.2 kristaps 1118: return(verr(mdoc, ELINE));
1.1 kristaps 1119: }
1120:
1121:
1122: static int
1123: post_it(POST_ARGS)
1124: {
1125: int type, i, cols;
1126: struct mdoc_node *n, *c;
1127:
1128: if (MDOC_BLOCK != mdoc->last->type)
1129: return(1);
1130:
1131: n = mdoc->last->parent->parent;
1132: if (NULL == n->args)
1.2 kristaps 1133: return(verr(mdoc, ELISTTYPE));
1.1 kristaps 1134:
1135: /* Some types require block-head, some not. */
1136:
1137: /* LINTED */
1138: for (cols = type = -1, i = 0; -1 == type &&
1139: i < (int)n->args->argc; i++)
1140: switch (n->args->argv[i].arg) {
1141: case (MDOC_Tag):
1142: /* FALLTHROUGH */
1143: case (MDOC_Diag):
1144: /* FALLTHROUGH */
1145: case (MDOC_Hang):
1146: /* FALLTHROUGH */
1147: case (MDOC_Ohang):
1148: /* FALLTHROUGH */
1149: case (MDOC_Inset):
1150: /* FALLTHROUGH */
1151: case (MDOC_Bullet):
1152: /* FALLTHROUGH */
1153: case (MDOC_Dash):
1154: /* FALLTHROUGH */
1155: case (MDOC_Enum):
1156: /* FALLTHROUGH */
1157: case (MDOC_Hyphen):
1158: /* FALLTHROUGH */
1159: case (MDOC_Item):
1160: type = n->args->argv[i].arg;
1161: break;
1162: case (MDOC_Column):
1163: type = n->args->argv[i].arg;
1164: cols = (int)n->args->argv[i].sz;
1165: break;
1166: default:
1167: break;
1168: }
1169:
1170: if (-1 == type)
1.2 kristaps 1171: return(verr(mdoc, ELISTTYPE));
1.1 kristaps 1172:
1173: switch (type) {
1174: case (MDOC_Tag):
1175: if (NULL == mdoc->last->head->child)
1.2 kristaps 1176: if ( ! vwarn(mdoc, WLINE))
1.1 kristaps 1177: return(0);
1178: break;
1179: case (MDOC_Hang):
1180: /* FALLTHROUGH */
1181: case (MDOC_Ohang):
1182: /* FALLTHROUGH */
1183: case (MDOC_Inset):
1184: /* FALLTHROUGH */
1185: case (MDOC_Diag):
1186: if (NULL == mdoc->last->head->child)
1.2 kristaps 1187: if ( ! vwarn(mdoc, WLINE))
1.1 kristaps 1188: return(0);
1189: if (NULL == mdoc->last->body->child)
1.2 kristaps 1190: if ( ! vwarn(mdoc, WMULTILINE))
1.1 kristaps 1191: return(0);
1192: break;
1193: case (MDOC_Bullet):
1194: /* FALLTHROUGH */
1195: case (MDOC_Dash):
1196: /* FALLTHROUGH */
1197: case (MDOC_Enum):
1198: /* FALLTHROUGH */
1199: case (MDOC_Hyphen):
1200: /* FALLTHROUGH */
1201: case (MDOC_Item):
1202: if (mdoc->last->head->child)
1.2 kristaps 1203: if ( ! vwarn(mdoc, WNOLINE))
1.1 kristaps 1204: return(0);
1205: if (NULL == mdoc->last->body->child)
1.2 kristaps 1206: if ( ! vwarn(mdoc, WMULTILINE))
1.1 kristaps 1207: return(0);
1208: break;
1209: case (MDOC_Column):
1210: if (NULL == mdoc->last->head->child)
1.2 kristaps 1211: if ( ! vwarn(mdoc, WLINE))
1.1 kristaps 1212: return(0);
1213: if (mdoc->last->body->child)
1.2 kristaps 1214: if ( ! vwarn(mdoc, WNOMULTILINE))
1.1 kristaps 1215: return(0);
1216: c = mdoc->last->child;
1217: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1218: i++;
1219: if (i == cols)
1220: break;
1221: return(mdoc_err(mdoc, "column mismatch (have "
1222: "%d, want %d)", i, cols));
1223: default:
1224: break;
1225: }
1226:
1227: return(1);
1228: }
1229:
1230:
1231: static int
1232: post_bl(POST_ARGS)
1233: {
1234: struct mdoc_node *n;
1235:
1236: if (MDOC_BODY != mdoc->last->type)
1237: return(1);
1238: if (NULL == mdoc->last->child)
1239: return(1);
1240:
1241: /* LINTED */
1242: for (n = mdoc->last->child; n; n = n->next) {
1243: if (MDOC_BLOCK == n->type)
1244: if (MDOC_It == n->tok)
1245: continue;
1246: return(mdoc_nerr(mdoc, n, "bad child of parent %s",
1247: mdoc_macronames[mdoc->last->tok]));
1248: }
1249:
1250: return(1);
1251: }
1252:
1253:
1254: static int
1255: ebool(struct mdoc *mdoc)
1256: {
1257: struct mdoc_node *n;
1258:
1259: /* LINTED */
1260: for (n = mdoc->last->child; n; n = n->next) {
1261: if (MDOC_TEXT != n->type)
1262: break;
1.2 kristaps 1263: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1264: continue;
1.2 kristaps 1265: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1266: continue;
1267: break;
1268: }
1269:
1270: if (NULL == n)
1271: return(1);
1272: return(nerr(mdoc, n, EBOOL));
1273: }
1274:
1275:
1276: static int
1277: post_root(POST_ARGS)
1278: {
1279:
1280: if (NULL == mdoc->first->child)
1.2 kristaps 1281: return(verr(mdoc, ENODATA));
1.1 kristaps 1282: if (SEC_PROLOGUE == mdoc->lastnamed)
1.2 kristaps 1283: return(verr(mdoc, ENOPROLOGUE));
1.1 kristaps 1284:
1285: if (MDOC_BLOCK != mdoc->first->child->type)
1.2 kristaps 1286: return(verr(mdoc, ENODATA));
1.1 kristaps 1287: if (MDOC_Sh != mdoc->first->child->tok)
1.2 kristaps 1288: return(verr(mdoc, ENODATA));
1.1 kristaps 1289:
1290: return(1);
1291: }
1292:
1293:
1294: static int
1295: post_st(POST_ARGS)
1296: {
1297:
1298: if (mdoc_a2st(mdoc->last->child->string))
1299: return(1);
1.2 kristaps 1300: return(vwarn(mdoc, WBADSTAND));
1.1 kristaps 1301: }
1302:
1303:
1304: static int
1305: post_sh(POST_ARGS)
1306: {
1307:
1308: if (MDOC_HEAD == mdoc->last->type)
1309: return(post_sh_head(mdoc));
1310: if (MDOC_BODY == mdoc->last->type)
1311: return(post_sh_body(mdoc));
1312:
1313: return(1);
1314: }
1315:
1316:
1317: static int
1318: post_sh_body(POST_ARGS)
1319: {
1320: struct mdoc_node *n;
1321:
1322: if (SEC_NAME != mdoc->lastnamed)
1323: return(1);
1324:
1325: /*
1326: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1327: * macros (can have multiple `Nm' and one `Nd'). Note that the
1328: * children of the BODY declaration can also be "text".
1329: */
1330:
1331: if (NULL == (n = mdoc->last->child))
1.2 kristaps 1332: return(vwarn(mdoc, WNAMESECINC));
1.1 kristaps 1333:
1334: for ( ; n && n->next; n = n->next) {
1335: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1336: continue;
1337: if (MDOC_TEXT == n->type)
1338: continue;
1.2 kristaps 1339: if ( ! vwarn(mdoc, WNAMESECINC))
1.1 kristaps 1340: return(0);
1341: }
1342:
1343: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1344: return(1);
1.2 kristaps 1345: return(vwarn(mdoc, WNAMESECINC));
1.1 kristaps 1346: }
1347:
1348:
1349: static int
1350: post_sh_head(POST_ARGS)
1351: {
1.2 kristaps 1352: char buf[64];
1353: enum mdoc_sec sec;
1354: const struct mdoc_node *n;
1.1 kristaps 1355:
1356: /*
1357: * Process a new section. Sections are either "named" or
1358: * "custom"; custom sections are user-defined, while named ones
1359: * usually follow a conventional order and may only appear in
1360: * certain manual sections.
1361: */
1362:
1363: assert(MDOC_Sh == mdoc->last->tok);
1364:
1.2 kristaps 1365: /* This is just concat() inlined, which is irritating. */
1366:
1.3 kristaps 1367: buf[0] = 0;
1.2 kristaps 1368: for (n = mdoc->last->child; n; n = n->next) {
1369: assert(MDOC_TEXT == n->type);
1370: if (strlcat(buf, n->string, 64) >= 64)
1371: return(nerr(mdoc, n, ETOOLONG));
1372: if (NULL == n->next)
1373: continue;
1374: if (strlcat(buf, " ", 64) >= 64)
1375: return(nerr(mdoc, n, ETOOLONG));
1376: }
1.1 kristaps 1377:
1378: sec = mdoc_atosec(buf);
1379:
1380: /* The NAME section should always be first. */
1381:
1382: if (SEC_BODY == mdoc->lastnamed && SEC_NAME != sec)
1.2 kristaps 1383: return(vwarn(mdoc, WSECOOO));
1.1 kristaps 1384: if (SEC_CUSTOM == sec)
1385: return(1);
1386:
1387: /* Check for repeated or out-of-order sections. */
1388:
1389: if (sec == mdoc->lastnamed)
1.2 kristaps 1390: return(vwarn(mdoc, WSECREP));
1.1 kristaps 1391: if (sec < mdoc->lastnamed)
1.2 kristaps 1392: return(vwarn(mdoc, WSECOOO));
1.1 kristaps 1393:
1394: /* Check particular section/manual section conventions. */
1395:
1396: switch (sec) {
1397: case (SEC_LIBRARY):
1398: switch (mdoc->meta.msec) {
1399: case (2):
1400: /* FALLTHROUGH */
1401: case (3):
1402: break;
1403: default:
1.2 kristaps 1404: return(vwarn(mdoc, WWRONGMSEC));
1.1 kristaps 1405: }
1406: break;
1407: default:
1408: break;
1409: }
1410:
1411: return(1);
1412: }
1413:
1414:
1415: static int
1416: pre_fd(PRE_ARGS)
1417: {
1418:
1419: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1420: }
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