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1.13 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.12 2009/06/23 23:02:54 schwarze Exp $ */
1.1 kristaps 2: /*
1.2 schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 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: *
1.2 schwarze 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>
23: #include <string.h>
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 {
34: ETOOLONG,
35: EESCAPE,
36: EPRINT,
37: ENODATA,
38: ENOPROLOGUE,
39: ELINE,
40: EATT,
41: ENAME,
42: ELISTTYPE,
43: EDISPTYPE,
44: EMULTIDISP,
1.9 schwarze 45: ESECNAME,
1.1 kristaps 46: EMULTILIST,
47: EARGREP,
48: EBOOL,
1.11 schwarze 49: ECOLMIS,
1.1 kristaps 50: ENESTDISP
51: };
52:
53: enum mwarn {
54: WPRINT,
1.5 schwarze 55: WNOWIDTH,
56: WMISSWIDTH,
1.1 kristaps 57: WESCAPE,
1.5 schwarze 58: WDEPCOL,
1.1 kristaps 59: WWRONGMSEC,
60: WSECOOO,
61: WSECREP,
62: WBADSTAND,
63: WNAMESECINC,
64: WNOMULTILINE,
65: WMULTILINE,
66: WLINE,
67: WNOLINE,
68: WPROLOOO,
69: WPROLREP,
70: WARGVAL,
71: WBADSEC,
72: WBADMSEC
73: };
74:
75: typedef int (*v_pre)(PRE_ARGS);
76: typedef int (*v_post)(POST_ARGS);
77:
78: struct valids {
79: v_pre *pre;
80: v_post *post;
81: };
82:
83: static int pwarn(struct mdoc *, int, int, enum mwarn);
84: static int perr(struct mdoc *, int, int, enum merr);
85: static int check_parent(PRE_ARGS, int, enum mdoc_type);
86: static int check_msec(PRE_ARGS, ...);
87: static int check_sec(PRE_ARGS, ...);
88: static int check_stdarg(PRE_ARGS);
89: static int check_text(struct mdoc *, int, int, const char *);
90: static int check_argv(struct mdoc *,
91: const struct mdoc_node *,
92: const struct mdoc_argv *);
93: static int check_args(struct mdoc *,
94: const struct mdoc_node *);
95: static int err_child_lt(struct mdoc *, const char *, int);
96: static int warn_child_lt(struct mdoc *, const char *, int);
97: static int err_child_gt(struct mdoc *, const char *, int);
98: static int warn_child_gt(struct mdoc *, const char *, int);
99: static int err_child_eq(struct mdoc *, const char *, int);
100: static int warn_child_eq(struct mdoc *, const char *, int);
1.3 schwarze 101: static int warn_print(struct mdoc *, int, int);
1.1 kristaps 102: static int warn_count(struct mdoc *, const char *,
103: int, const char *, int);
104: static int err_count(struct mdoc *, const char *,
105: int, const char *, int);
106: static int pre_an(PRE_ARGS);
107: static int pre_bd(PRE_ARGS);
108: static int pre_bl(PRE_ARGS);
109: static int pre_cd(PRE_ARGS);
110: static int pre_dd(PRE_ARGS);
111: static int pre_display(PRE_ARGS);
112: static int pre_dt(PRE_ARGS);
113: static int pre_er(PRE_ARGS);
114: static int pre_ex(PRE_ARGS);
115: static int pre_fd(PRE_ARGS);
116: static int pre_it(PRE_ARGS);
117: static int pre_lb(PRE_ARGS);
118: static int pre_os(PRE_ARGS);
119: static int pre_rv(PRE_ARGS);
120: static int pre_sh(PRE_ARGS);
121: static int pre_ss(PRE_ARGS);
122: static int herr_ge1(POST_ARGS);
123: static int hwarn_le1(POST_ARGS);
124: static int herr_eq0(POST_ARGS);
125: static int eerr_eq0(POST_ARGS);
126: static int eerr_le2(POST_ARGS);
127: static int eerr_eq1(POST_ARGS);
128: static int eerr_ge1(POST_ARGS);
129: static int ewarn_eq0(POST_ARGS);
130: static int ewarn_eq1(POST_ARGS);
131: static int bwarn_ge1(POST_ARGS);
132: static int hwarn_eq1(POST_ARGS);
133: static int ewarn_ge1(POST_ARGS);
134: static int ebool(POST_ARGS);
135: static int post_an(POST_ARGS);
136: static int post_args(POST_ARGS);
137: static int post_at(POST_ARGS);
138: static int post_bf(POST_ARGS);
139: static int post_bl(POST_ARGS);
1.11 schwarze 140: static int post_bl_head(POST_ARGS);
1.1 kristaps 141: static int post_it(POST_ARGS);
142: static int post_nm(POST_ARGS);
143: static int post_root(POST_ARGS);
144: static int post_sh(POST_ARGS);
145: static int post_sh_body(POST_ARGS);
146: static int post_sh_head(POST_ARGS);
147: static int post_st(POST_ARGS);
148:
149: #define vwarn(m, t) nwarn((m), (m)->last, (t))
150: #define verr(m, t) nerr((m), (m)->last, (t))
151: #define nwarn(m, n, t) pwarn((m), (n)->line, (n)->pos, (t))
152: #define nerr(m, n, t) perr((m), (n)->line, (n)->pos, (t))
153:
154: static v_pre pres_an[] = { pre_an, NULL };
155: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
156: static v_pre pres_bl[] = { pre_bl, NULL };
157: static v_pre pres_cd[] = { pre_cd, NULL };
1.9 schwarze 158: static v_pre pres_dd[] = { pre_dd, NULL };
1.1 kristaps 159: static v_pre pres_d1[] = { pre_display, NULL };
1.9 schwarze 160: static v_pre pres_dt[] = { pre_dt, NULL };
1.1 kristaps 161: static v_pre pres_er[] = { pre_er, NULL };
162: static v_pre pres_ex[] = { pre_ex, NULL };
163: static v_pre pres_fd[] = { pre_fd, NULL };
164: static v_pre pres_it[] = { pre_it, NULL };
165: static v_pre pres_lb[] = { pre_lb, NULL };
1.9 schwarze 166: static v_pre pres_os[] = { pre_os, NULL };
1.1 kristaps 167: static v_pre pres_rv[] = { pre_rv, NULL };
168: static v_pre pres_sh[] = { pre_sh, NULL };
169: static v_pre pres_ss[] = { pre_ss, NULL };
170: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
171: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
172: static v_post posts_text[] = { eerr_ge1, NULL };
173: static v_post posts_wtext[] = { ewarn_ge1, NULL };
174: static v_post posts_notext[] = { eerr_eq0, NULL };
175: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
176: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.11 schwarze 177: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
1.1 kristaps 178: static v_post posts_it[] = { post_it, NULL };
179: static v_post posts_in[] = { ewarn_eq1, NULL };
180: static v_post posts_ss[] = { herr_ge1, NULL };
181: static v_post posts_pf[] = { eerr_eq1, NULL };
182: static v_post posts_lb[] = { eerr_eq1, NULL };
183: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
184: static v_post posts_pp[] = { ewarn_eq0, NULL };
185: static v_post posts_ex[] = { eerr_eq0, post_args, NULL };
186: static v_post posts_rv[] = { eerr_eq0, post_args, NULL };
187: static v_post posts_an[] = { post_an, NULL };
188: static v_post posts_at[] = { post_at, NULL };
189: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
190: static v_post posts_nm[] = { post_nm, NULL };
191: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
192: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
193:
194: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 195: { NULL, NULL }, /* Ap */
1.1 kristaps 196: { pres_dd, posts_text }, /* Dd */
197: { pres_dt, NULL }, /* Dt */
198: { pres_os, NULL }, /* Os */
199: { pres_sh, posts_sh }, /* Sh */
200: { pres_ss, posts_ss }, /* Ss */
201: { NULL, posts_pp }, /* Pp */
202: { pres_d1, posts_wline }, /* D1 */
203: { pres_d1, posts_wline }, /* Dl */
204: { pres_bd, posts_bd }, /* Bd */
205: { NULL, NULL }, /* Ed */
206: { pres_bl, posts_bl }, /* Bl */
207: { NULL, NULL }, /* El */
208: { pres_it, posts_it }, /* It */
209: { NULL, posts_text }, /* Ad */
210: { pres_an, posts_an }, /* An */
211: { NULL, NULL }, /* Ar */
212: { pres_cd, posts_text }, /* Cd */
213: { NULL, NULL }, /* Cm */
214: { NULL, NULL }, /* Dv */
215: { pres_er, posts_text }, /* Er */
216: { NULL, NULL }, /* Ev */
217: { pres_ex, posts_ex }, /* Ex */
218: { NULL, NULL }, /* Fa */
219: { pres_fd, posts_wtext }, /* Fd */
220: { NULL, NULL }, /* Fl */
221: { NULL, posts_text }, /* Fn */
222: { NULL, posts_wtext }, /* Ft */
223: { NULL, posts_text }, /* Ic */
224: { NULL, posts_in }, /* In */
225: { NULL, NULL }, /* Li */
226: { NULL, posts_wtext }, /* Nd */
227: { NULL, posts_nm }, /* Nm */
228: { NULL, posts_wline }, /* Op */
229: { NULL, NULL }, /* Ot */
230: { NULL, NULL }, /* Pa */
231: { pres_rv, posts_rv }, /* Rv */
232: { NULL, posts_st }, /* St */
233: { NULL, NULL }, /* Va */
234: { NULL, posts_text }, /* Vt */
235: { NULL, posts_xr }, /* Xr */
236: { NULL, posts_text }, /* %A */
237: { NULL, posts_text }, /* %B */
238: { NULL, posts_text }, /* %D */
239: { NULL, posts_text }, /* %I */
240: { NULL, posts_text }, /* %J */
241: { NULL, posts_text }, /* %N */
242: { NULL, posts_text }, /* %O */
243: { NULL, posts_text }, /* %P */
244: { NULL, posts_text }, /* %R */
245: { NULL, posts_text }, /* %T */
246: { NULL, posts_text }, /* %V */
247: { NULL, NULL }, /* Ac */
248: { NULL, NULL }, /* Ao */
249: { NULL, posts_wline }, /* Aq */
250: { NULL, posts_at }, /* At */
251: { NULL, NULL }, /* Bc */
252: { NULL, posts_bf }, /* Bf */
253: { NULL, NULL }, /* Bo */
254: { NULL, posts_wline }, /* Bq */
255: { NULL, NULL }, /* Bsx */
256: { NULL, NULL }, /* Bx */
257: { NULL, posts_bool }, /* Db */
258: { NULL, NULL }, /* Dc */
259: { NULL, NULL }, /* Do */
260: { NULL, posts_wline }, /* Dq */
261: { NULL, NULL }, /* Ec */
262: { NULL, NULL }, /* Ef */
263: { NULL, NULL }, /* Em */
264: { NULL, NULL }, /* Eo */
265: { NULL, NULL }, /* Fx */
266: { NULL, posts_text }, /* Ms */
267: { NULL, posts_notext }, /* No */
268: { NULL, posts_notext }, /* Ns */
269: { NULL, NULL }, /* Nx */
270: { NULL, NULL }, /* Ox */
271: { NULL, NULL }, /* Pc */
272: { NULL, posts_pf }, /* Pf */
273: { NULL, NULL }, /* Po */
274: { NULL, posts_wline }, /* Pq */
275: { NULL, NULL }, /* Qc */
276: { NULL, posts_wline }, /* Ql */
277: { NULL, NULL }, /* Qo */
278: { NULL, posts_wline }, /* Qq */
279: { NULL, NULL }, /* Re */
280: { NULL, posts_wline }, /* Rs */
281: { NULL, NULL }, /* Sc */
282: { NULL, NULL }, /* So */
283: { NULL, posts_wline }, /* Sq */
284: { NULL, posts_bool }, /* Sm */
285: { NULL, posts_text }, /* Sx */
286: { NULL, posts_text }, /* Sy */
287: { NULL, posts_text }, /* Tn */
288: { NULL, NULL }, /* Ux */
289: { NULL, NULL }, /* Xc */
290: { NULL, NULL }, /* Xo */
291: { NULL, posts_fo }, /* Fo */
292: { NULL, NULL }, /* Fc */
293: { NULL, NULL }, /* Oo */
294: { NULL, NULL }, /* Oc */
295: { NULL, posts_wline }, /* Bk */
296: { NULL, NULL }, /* Ek */
297: { NULL, posts_notext }, /* Bt */
298: { NULL, NULL }, /* Hf */
299: { NULL, NULL }, /* Fr */
300: { NULL, posts_notext }, /* Ud */
301: { pres_lb, posts_lb }, /* Lb */
302: { NULL, posts_pp }, /* Lp */
1.4 schwarze 303: { NULL, NULL }, /* Lk */
1.1 kristaps 304: { NULL, posts_text }, /* Mt */
305: { NULL, posts_wline }, /* Brq */
306: { NULL, NULL }, /* Bro */
307: { NULL, NULL }, /* Brc */
308: { NULL, posts_text }, /* %C */
309: { NULL, NULL }, /* Es */
310: { NULL, NULL }, /* En */
311: { NULL, NULL }, /* Dx */
312: { NULL, posts_text }, /* %Q */
313: };
314:
315:
316: int
317: mdoc_valid_pre(struct mdoc *mdoc,
318: const struct mdoc_node *n)
319: {
320: v_pre *p;
321: int line, pos;
322: const char *tp;
323:
324: if (MDOC_TEXT == n->type) {
325: tp = n->string;
326: line = n->line;
327: pos = n->pos;
328: return(check_text(mdoc, line, pos, tp));
329: }
330:
331: if ( ! check_args(mdoc, n))
332: return(0);
333: if (NULL == mdoc_valids[n->tok].pre)
334: return(1);
335: for (p = mdoc_valids[n->tok].pre; *p; p++)
336: if ( ! (*p)(mdoc, n))
337: return(0);
338: return(1);
339: }
340:
341:
342: int
343: mdoc_valid_post(struct mdoc *mdoc)
344: {
345: v_post *p;
346:
347: /*
348: * This check occurs after the macro's children have been filled
349: * in: postfix validation. Since this happens when we're
350: * rewinding the scope tree, it's possible to have multiple
351: * invocations (as by design, for now), we set bit MDOC_VALID to
352: * indicate that we've validated.
353: */
354:
355: if (MDOC_VALID & mdoc->last->flags)
356: return(1);
357: mdoc->last->flags |= MDOC_VALID;
358:
359: if (MDOC_TEXT == mdoc->last->type)
360: return(1);
361: if (MDOC_ROOT == mdoc->last->type)
362: return(post_root(mdoc));
363:
364: if (NULL == mdoc_valids[mdoc->last->tok].post)
365: return(1);
366: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
367: if ( ! (*p)(mdoc))
368: return(0);
369:
370: return(1);
371: }
372:
373:
374: static int
375: perr(struct mdoc *m, int line, int pos, enum merr type)
376: {
377: char *p;
378:
379: p = NULL;
380: switch (type) {
381: case (ETOOLONG):
382: p = "text argument too long";
383: break;
384: case (EESCAPE):
385: p = "invalid escape sequence";
386: break;
387: case (EPRINT):
388: p = "invalid character";
389: break;
390: case (ENESTDISP):
391: p = "displays may not be nested";
392: break;
393: case (EBOOL):
394: p = "expected boolean value";
395: break;
396: case (EARGREP):
397: p = "argument repeated";
398: break;
399: case (EMULTIDISP):
400: p = "multiple display types specified";
401: break;
402: case (EMULTILIST):
403: p = "multiple list types specified";
404: break;
405: case (ELISTTYPE):
406: p = "missing list type";
407: break;
408: case (EDISPTYPE):
409: p = "missing display type";
410: break;
1.9 schwarze 411: case (ESECNAME):
412: p = "the NAME section must come first";
413: break;
1.1 kristaps 414: case (ELINE):
415: p = "expected line arguments";
416: break;
417: case (ENOPROLOGUE):
418: p = "document has no prologue";
419: break;
420: case (ENODATA):
421: p = "document has no data";
422: break;
1.11 schwarze 423: case (ECOLMIS):
424: p = "column syntax style mismatch";
425: break;
1.1 kristaps 426: case (EATT):
427: p = "expected valid AT&T symbol";
428: break;
429: case (ENAME):
430: p = "default name not yet set";
431: break;
432: }
433: assert(p);
434: return(mdoc_perr(m, line, pos, p));
435: }
436:
437:
438: static int
439: pwarn(struct mdoc *m, int line, int pos, enum mwarn type)
440: {
441: char *p;
442: enum mdoc_warn c;
443:
444: c = WARN_SYNTAX;
445: p = NULL;
446: switch (type) {
447: case (WBADMSEC):
448: p = "inappropriate manual section";
449: c = WARN_COMPAT;
450: break;
451: case (WBADSEC):
452: p = "inappropriate document section";
453: c = WARN_COMPAT;
454: break;
455: case (WARGVAL):
456: p = "argument value suggested";
457: c = WARN_COMPAT;
458: break;
459: case (WPROLREP):
460: p = "prologue macros repeated";
461: c = WARN_COMPAT;
462: break;
463: case (WPROLOOO):
464: p = "prologue macros out-of-order";
465: c = WARN_COMPAT;
466: break;
1.5 schwarze 467: case (WDEPCOL):
468: p = "deprecated column argument syntax";
469: c = WARN_COMPAT;
470: break;
471: case (WNOWIDTH):
472: p = "superfluous width argument";
473: break;
474: case (WMISSWIDTH):
475: p = "missing width argument";
476: break;
477: case (WPRINT):
478: p = "invalid character";
479: break;
1.1 kristaps 480: case (WESCAPE):
481: p = "invalid escape sequence";
482: break;
483: case (WNOLINE):
484: p = "suggested no line arguments";
485: break;
486: case (WLINE):
487: p = "suggested line arguments";
488: break;
489: case (WMULTILINE):
490: p = "suggested multi-line arguments";
491: break;
492: case (WNOMULTILINE):
493: p = "suggested no multi-line arguments";
494: break;
495: case (WWRONGMSEC):
496: p = "document section in wrong manual section";
497: c = WARN_COMPAT;
498: break;
499: case (WSECOOO):
500: p = "document section out of conventional order";
501: break;
502: case (WSECREP):
503: p = "document section repeated";
504: break;
505: case (WBADSTAND):
506: p = "unknown standard";
507: break;
508: case (WNAMESECINC):
509: p = "NAME section contents incomplete/badly-ordered";
510: break;
511: }
512: assert(p);
513: return(mdoc_pwarn(m, line, pos, c, p));
514: }
515:
516:
1.3 schwarze 517: static int
518: warn_print(struct mdoc *m, int ln, int pos)
519: {
520: if (MDOC_IGN_CHARS & m->pflags)
521: return(pwarn(m, ln, pos, WPRINT));
522: return(perr(m, ln, pos, EPRINT));
523: }
524:
1.1 kristaps 525:
526: static inline int
527: warn_count(struct mdoc *m, const char *k,
528: int want, const char *v, int has)
529: {
530:
531: return(mdoc_warn(m, WARN_SYNTAX,
532: "suggests %s %s %d (has %d)", v, k, want, has));
533: }
534:
535:
536: static inline int
537: err_count(struct mdoc *m, const char *k,
538: int want, const char *v, int has)
539: {
540:
541: return(mdoc_err(m,
542: "requires %s %s %d (has %d)", v, k, want, has));
543: }
544:
545:
546: /*
547: * Build these up with macros because they're basically the same check
548: * for different inequalities. Yes, this could be done with functions,
549: * but this is reasonable for now.
550: */
551:
552: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
553: static int \
554: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
555: { \
1.12 schwarze 556: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 557: return(1); \
1.12 schwarze 558: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 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: for ( ; *p; p++) {
709: if ('\t' == *p) {
710: if ( ! (MDOC_LITERAL & mdoc->flags))
1.3 schwarze 711: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 712: return(0);
713: } else if ( ! isprint((u_char)*p))
1.3 schwarze 714: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 715: return(0);
716:
717: if ('\\' != *p)
718: continue;
719:
720: c = mdoc_isescape(p);
721: if (c) {
722: p += (int)c - 1;
723: continue;
724: }
725: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
726: return(perr(mdoc, line, pos, EESCAPE));
727: if ( ! pwarn(mdoc, line, pos, WESCAPE))
728: return(0);
729: }
730:
731: return(1);
732: }
733:
734:
735:
736:
737: static int
738: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
739: {
740:
741: assert(n->parent);
742: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
743: (t == n->parent->type))
744: return(1);
745:
746: return(mdoc_nerr(mdoc, n, "require parent %s",
747: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
748: }
749:
750:
751:
752: static int
753: pre_display(PRE_ARGS)
754: {
755: struct mdoc_node *node;
756:
757: /* Display elements (`Bd', `D1'...) cannot be nested. */
758:
759: if (MDOC_BLOCK != n->type)
760: return(1);
761:
762: /* LINTED */
763: for (node = mdoc->last->parent; node; node = node->parent)
764: if (MDOC_BLOCK == node->type)
765: if (MDOC_Bd == node->tok)
766: break;
767: if (NULL == node)
768: return(1);
769:
770: return(nerr(mdoc, n, ENESTDISP));
771: }
772:
773:
774: static int
775: pre_bl(PRE_ARGS)
776: {
1.11 schwarze 777: int pos, type, width, offset;
1.1 kristaps 778:
779: if (MDOC_BLOCK != n->type)
780: return(1);
781: if (NULL == n->args)
782: return(nerr(mdoc, n, ELISTTYPE));
783:
784: /* Make sure that only one type of list is specified. */
785:
1.11 schwarze 786: type = offset = width = -1;
1.1 kristaps 787:
788: /* LINTED */
1.5 schwarze 789: for (pos = 0; pos < (int)n->args->argc; pos++)
790: switch (n->args->argv[pos].arg) {
1.1 kristaps 791: case (MDOC_Bullet):
792: /* FALLTHROUGH */
793: case (MDOC_Dash):
794: /* FALLTHROUGH */
795: case (MDOC_Enum):
796: /* FALLTHROUGH */
797: case (MDOC_Hyphen):
798: /* FALLTHROUGH */
799: case (MDOC_Item):
800: /* FALLTHROUGH */
801: case (MDOC_Tag):
802: /* FALLTHROUGH */
803: case (MDOC_Diag):
804: /* FALLTHROUGH */
805: case (MDOC_Hang):
806: /* FALLTHROUGH */
807: case (MDOC_Ohang):
808: /* FALLTHROUGH */
809: case (MDOC_Inset):
810: /* FALLTHROUGH */
811: case (MDOC_Column):
1.5 schwarze 812: if (-1 != type)
813: return(nerr(mdoc, n, EMULTILIST));
814: type = n->args->argv[pos].arg;
815: break;
1.1 kristaps 816: case (MDOC_Width):
1.5 schwarze 817: if (-1 != width)
818: return(nerr(mdoc, n, EARGREP));
819: width = n->args->argv[pos].arg;
820: break;
1.1 kristaps 821: case (MDOC_Offset):
1.5 schwarze 822: if (-1 != offset)
823: return(nerr(mdoc, n, EARGREP));
824: offset = n->args->argv[pos].arg;
825: break;
1.1 kristaps 826: default:
827: break;
828: }
829:
830: if (-1 == type)
831: return(nerr(mdoc, n, ELISTTYPE));
832:
1.5 schwarze 833: /*
834: * Validate the width field. Some list types don't need width
835: * types and should be warned about them. Others should have it
836: * and must also be warned.
837: */
838:
1.1 kristaps 839: switch (type) {
1.5 schwarze 840: case (MDOC_Tag):
841: if (-1 == width && ! nwarn(mdoc, n, WMISSWIDTH))
842: return(0);
843: break;
1.1 kristaps 844: case (MDOC_Column):
845: /* FALLTHROUGH */
846: case (MDOC_Diag):
847: /* FALLTHROUGH */
848: case (MDOC_Inset):
849: /* FALLTHROUGH */
850: case (MDOC_Item):
1.5 schwarze 851: if (-1 != width && ! nwarn(mdoc, n, WNOWIDTH))
852: return(0);
853: break;
854: default:
855: break;
856: }
857:
1.1 kristaps 858: return(1);
859: }
860:
861:
862: static int
863: pre_bd(PRE_ARGS)
864: {
865: int i, type, err;
866:
867: if (MDOC_BLOCK != n->type)
868: return(1);
869: if (NULL == n->args)
870: return(nerr(mdoc, n, EDISPTYPE));
871:
872: /* Make sure that only one type of display is specified. */
873:
874: /* LINTED */
875: for (i = 0, err = type = 0; ! err &&
876: i < (int)n->args->argc; i++)
877: switch (n->args->argv[i].arg) {
878: case (MDOC_Ragged):
879: /* FALLTHROUGH */
880: case (MDOC_Unfilled):
881: /* FALLTHROUGH */
882: case (MDOC_Filled):
883: /* FALLTHROUGH */
884: case (MDOC_Literal):
885: /* FALLTHROUGH */
886: case (MDOC_File):
887: if (0 == type++)
888: break;
889: return(nerr(mdoc, n, EMULTIDISP));
890: default:
891: break;
892: }
893:
894: if (type)
895: return(1);
896: return(nerr(mdoc, n, EDISPTYPE));
897: }
898:
899:
900: static int
901: pre_ss(PRE_ARGS)
902: {
903:
904: if (MDOC_BLOCK != n->type)
905: return(1);
906: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
907: }
908:
909:
910: static int
911: pre_sh(PRE_ARGS)
912: {
913:
914: if (MDOC_BLOCK != n->type)
915: return(1);
916: return(check_parent(mdoc, n, -1, MDOC_ROOT));
917: }
918:
919:
920: static int
921: pre_it(PRE_ARGS)
922: {
923:
924: if (MDOC_BLOCK != n->type)
925: return(1);
926: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
927: }
928:
929:
930: static int
931: pre_an(PRE_ARGS)
932: {
933:
934: if (NULL == n->args || 1 == n->args->argc)
935: return(1);
936: return(mdoc_nerr(mdoc, n, "only one argument allowed"));
937: }
938:
939:
940: static int
941: pre_lb(PRE_ARGS)
942: {
943:
944: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
945: }
946:
947:
948: static int
949: pre_rv(PRE_ARGS)
950: {
951:
952: if ( ! check_msec(mdoc, n, 2, 3, 0))
953: return(0);
954: return(check_stdarg(mdoc, n));
955: }
956:
957:
958: static int
959: pre_ex(PRE_ARGS)
960: {
961:
962: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
963: return(0);
964: return(check_stdarg(mdoc, n));
965: }
966:
967:
968: static int
969: pre_er(PRE_ARGS)
970: {
971:
1.6 schwarze 972: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 973: }
974:
975:
976: static int
977: pre_cd(PRE_ARGS)
978: {
979:
980: return(check_msec(mdoc, n, 4, 0));
981: }
982:
983:
984: static int
985: pre_dt(PRE_ARGS)
986: {
987:
988: if (0 == mdoc->meta.date || mdoc->meta.os)
989: if ( ! nwarn(mdoc, n, WPROLOOO))
990: return(0);
991: if (mdoc->meta.title)
992: if ( ! nwarn(mdoc, n, WPROLREP))
993: return(0);
994: return(1);
995: }
996:
997:
998: static int
999: pre_os(PRE_ARGS)
1000: {
1001:
1002: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1003: if ( ! nwarn(mdoc, n, WPROLOOO))
1004: return(0);
1005: if (mdoc->meta.os)
1006: if ( ! nwarn(mdoc, n, WPROLREP))
1007: return(0);
1008: return(1);
1009: }
1010:
1011:
1012: static int
1013: pre_dd(PRE_ARGS)
1014: {
1015:
1016: if (mdoc->meta.title || mdoc->meta.os)
1017: if ( ! nwarn(mdoc, n, WPROLOOO))
1018: return(0);
1019: if (mdoc->meta.date)
1020: if ( ! nwarn(mdoc, n, WPROLREP))
1021: return(0);
1022: return(1);
1023: }
1024:
1025:
1026: static int
1027: post_bf(POST_ARGS)
1028: {
1029: char *p;
1030: struct mdoc_node *head;
1031:
1032: if (MDOC_BLOCK != mdoc->last->type)
1033: return(1);
1034:
1035: head = mdoc->last->head;
1036:
1.10 schwarze 1037: if (mdoc->last->args && head->child)
1038: return(mdoc_err(mdoc, "one argument expected"));
1039: else if (mdoc->last->args)
1040: return(1);
1041:
1042: if (NULL == head->child || MDOC_TEXT != head->child->type)
1043: return(mdoc_err(mdoc, "text argument expected"));
1.1 kristaps 1044:
1.10 schwarze 1045: p = head->child->string;
1.1 kristaps 1046:
1.10 schwarze 1047: if (0 == strcmp(p, "Em"))
1048: return(1);
1049: else if (0 == strcmp(p, "Li"))
1050: return(1);
1051: else if (0 == strcmp(p, "Sm"))
1052: return(1);
1.1 kristaps 1053:
1.10 schwarze 1054: return(mdoc_nerr(mdoc, head->child, "invalid font mode"));
1.1 kristaps 1055: }
1056:
1057:
1058: static int
1059: post_nm(POST_ARGS)
1060: {
1061:
1062: if (mdoc->last->child)
1063: return(1);
1064: if (mdoc->meta.name)
1065: return(1);
1066: return(verr(mdoc, ENAME));
1067: }
1068:
1069:
1070: static int
1071: post_at(POST_ARGS)
1072: {
1073:
1074: if (NULL == mdoc->last->child)
1075: return(1);
1076: if (MDOC_TEXT != mdoc->last->child->type)
1077: return(verr(mdoc, EATT));
1078: if (mdoc_a2att(mdoc->last->child->string))
1079: return(1);
1080: return(verr(mdoc, EATT));
1081: }
1082:
1083:
1084: static int
1085: post_an(POST_ARGS)
1086: {
1087:
1088: if (mdoc->last->args) {
1089: if (NULL == mdoc->last->child)
1090: return(1);
1091: return(verr(mdoc, ELINE));
1092: }
1093:
1094: if (mdoc->last->child)
1095: return(1);
1096: return(verr(mdoc, ELINE));
1097: }
1098:
1099:
1100: static int
1101: post_args(POST_ARGS)
1102: {
1103:
1104: if (mdoc->last->args)
1105: return(1);
1106: return(verr(mdoc, ELINE));
1107: }
1108:
1109:
1110: static int
1111: post_it(POST_ARGS)
1112: {
1113: int type, i, cols;
1114: struct mdoc_node *n, *c;
1115:
1116: if (MDOC_BLOCK != mdoc->last->type)
1117: return(1);
1118:
1119: n = mdoc->last->parent->parent;
1120: if (NULL == n->args)
1121: return(verr(mdoc, ELISTTYPE));
1122:
1123: /* Some types require block-head, some not. */
1124:
1125: /* LINTED */
1126: for (cols = type = -1, i = 0; -1 == type &&
1127: i < (int)n->args->argc; i++)
1128: switch (n->args->argv[i].arg) {
1129: case (MDOC_Tag):
1130: /* FALLTHROUGH */
1131: case (MDOC_Diag):
1132: /* FALLTHROUGH */
1133: case (MDOC_Hang):
1134: /* FALLTHROUGH */
1135: case (MDOC_Ohang):
1136: /* FALLTHROUGH */
1137: case (MDOC_Inset):
1138: /* FALLTHROUGH */
1139: case (MDOC_Bullet):
1140: /* FALLTHROUGH */
1141: case (MDOC_Dash):
1142: /* FALLTHROUGH */
1143: case (MDOC_Enum):
1144: /* FALLTHROUGH */
1145: case (MDOC_Hyphen):
1146: /* FALLTHROUGH */
1147: case (MDOC_Item):
1148: type = n->args->argv[i].arg;
1149: break;
1150: case (MDOC_Column):
1151: type = n->args->argv[i].arg;
1152: cols = (int)n->args->argv[i].sz;
1153: break;
1154: default:
1155: break;
1156: }
1157:
1158: if (-1 == type)
1159: return(verr(mdoc, ELISTTYPE));
1160:
1161: switch (type) {
1162: case (MDOC_Tag):
1163: if (NULL == mdoc->last->head->child)
1164: if ( ! vwarn(mdoc, WLINE))
1165: return(0);
1166: break;
1167: case (MDOC_Hang):
1168: /* FALLTHROUGH */
1169: case (MDOC_Ohang):
1170: /* FALLTHROUGH */
1171: case (MDOC_Inset):
1172: /* FALLTHROUGH */
1173: case (MDOC_Diag):
1174: if (NULL == mdoc->last->head->child)
1175: if ( ! vwarn(mdoc, WLINE))
1176: return(0);
1177: if (NULL == mdoc->last->body->child)
1178: if ( ! vwarn(mdoc, WMULTILINE))
1179: return(0);
1180: break;
1181: case (MDOC_Bullet):
1182: /* FALLTHROUGH */
1183: case (MDOC_Dash):
1184: /* FALLTHROUGH */
1185: case (MDOC_Enum):
1186: /* FALLTHROUGH */
1187: case (MDOC_Hyphen):
1188: /* FALLTHROUGH */
1189: case (MDOC_Item):
1190: if (mdoc->last->head->child)
1191: if ( ! vwarn(mdoc, WNOLINE))
1192: return(0);
1193: if (NULL == mdoc->last->body->child)
1194: if ( ! vwarn(mdoc, WMULTILINE))
1195: return(0);
1196: break;
1197: case (MDOC_Column):
1198: if (NULL == mdoc->last->head->child)
1199: if ( ! vwarn(mdoc, WLINE))
1200: return(0);
1201: if (mdoc->last->body->child)
1202: if ( ! vwarn(mdoc, WNOMULTILINE))
1203: return(0);
1204: c = mdoc->last->child;
1205: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1206: i++;
1207: if (i == cols)
1208: break;
1209: return(mdoc_err(mdoc, "column mismatch (have "
1210: "%d, want %d)", i, cols));
1211: default:
1212: break;
1213: }
1214:
1215: return(1);
1216: }
1217:
1218:
1219: static int
1.11 schwarze 1220: post_bl_head(POST_ARGS)
1221: {
1222: int i;
1223: const struct mdoc_node *n;
1224:
1225: n = mdoc->last->parent;
1226: assert(n->args);
1227:
1228: for (i = 0; i < (int)n->args->argc; i++)
1229: if (n->args->argv[i].arg == MDOC_Column)
1230: break;
1231:
1232: if (i == (int)n->args->argc)
1233: return(1);
1234:
1235: if (n->args->argv[i].sz && mdoc->last->child)
1236: return(nerr(mdoc, n, ECOLMIS));
1237:
1238: return(1);
1239: }
1240:
1241:
1242: static int
1.1 kristaps 1243: post_bl(POST_ARGS)
1244: {
1245: struct mdoc_node *n;
1246:
1.11 schwarze 1247: if (MDOC_HEAD == mdoc->last->type)
1248: return(post_bl_head(mdoc));
1.1 kristaps 1249: if (MDOC_BODY != mdoc->last->type)
1250: return(1);
1251: if (NULL == mdoc->last->child)
1252: return(1);
1253:
1254: /* LINTED */
1255: for (n = mdoc->last->child; n; n = n->next) {
1256: if (MDOC_BLOCK == n->type)
1257: if (MDOC_It == n->tok)
1258: continue;
1259: return(mdoc_nerr(mdoc, n, "bad child of parent %s",
1260: mdoc_macronames[mdoc->last->tok]));
1261: }
1262:
1263: return(1);
1264: }
1265:
1266:
1267: static int
1268: ebool(struct mdoc *mdoc)
1269: {
1270: struct mdoc_node *n;
1271:
1272: /* LINTED */
1273: for (n = mdoc->last->child; n; n = n->next) {
1274: if (MDOC_TEXT != n->type)
1275: break;
1276: if (0 == strcmp(n->string, "on"))
1277: continue;
1278: if (0 == strcmp(n->string, "off"))
1279: continue;
1280: break;
1281: }
1282:
1283: if (NULL == n)
1284: return(1);
1285: return(nerr(mdoc, n, EBOOL));
1286: }
1287:
1288:
1289: static int
1290: post_root(POST_ARGS)
1291: {
1292:
1293: if (NULL == mdoc->first->child)
1294: return(verr(mdoc, ENODATA));
1.9 schwarze 1295: if ( ! (MDOC_PBODY & mdoc->flags))
1.1 kristaps 1296: return(verr(mdoc, ENOPROLOGUE));
1297:
1298: if (MDOC_BLOCK != mdoc->first->child->type)
1299: return(verr(mdoc, ENODATA));
1300: if (MDOC_Sh != mdoc->first->child->tok)
1301: return(verr(mdoc, ENODATA));
1302:
1303: return(1);
1304: }
1305:
1306:
1307: static int
1308: post_st(POST_ARGS)
1309: {
1310:
1311: if (mdoc_a2st(mdoc->last->child->string))
1312: return(1);
1313: return(vwarn(mdoc, WBADSTAND));
1314: }
1315:
1316:
1317: static int
1318: post_sh(POST_ARGS)
1319: {
1320:
1321: if (MDOC_HEAD == mdoc->last->type)
1322: return(post_sh_head(mdoc));
1323: if (MDOC_BODY == mdoc->last->type)
1324: return(post_sh_body(mdoc));
1325:
1326: return(1);
1327: }
1328:
1329:
1330: static int
1331: post_sh_body(POST_ARGS)
1332: {
1333: struct mdoc_node *n;
1334:
1335: if (SEC_NAME != mdoc->lastnamed)
1336: return(1);
1337:
1338: /*
1339: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1340: * macros (can have multiple `Nm' and one `Nd'). Note that the
1341: * children of the BODY declaration can also be "text".
1342: */
1343:
1344: if (NULL == (n = mdoc->last->child))
1345: return(vwarn(mdoc, WNAMESECINC));
1346:
1347: for ( ; n && n->next; n = n->next) {
1348: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1349: continue;
1350: if (MDOC_TEXT == n->type)
1351: continue;
1352: if ( ! vwarn(mdoc, WNAMESECINC))
1353: return(0);
1354: }
1355:
1356: if (MDOC_ELEM == n->type && MDOC_Nd == n->tok)
1357: return(1);
1358: return(vwarn(mdoc, WNAMESECINC));
1359: }
1360:
1361:
1362: static int
1363: post_sh_head(POST_ARGS)
1364: {
1365: char buf[64];
1366: enum mdoc_sec sec;
1367: const struct mdoc_node *n;
1368:
1369: /*
1370: * Process a new section. Sections are either "named" or
1371: * "custom"; custom sections are user-defined, while named ones
1372: * usually follow a conventional order and may only appear in
1373: * certain manual sections.
1374: */
1375:
1.9 schwarze 1376: buf[0] = 0;
1.1 kristaps 1377:
1378: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1379: /* XXX - copied from compact(). */
1.1 kristaps 1380: assert(MDOC_TEXT == n->type);
1.9 schwarze 1381:
1.1 kristaps 1382: if (strlcat(buf, n->string, 64) >= 64)
1383: return(nerr(mdoc, n, ETOOLONG));
1384: if (NULL == n->next)
1385: continue;
1386: if (strlcat(buf, " ", 64) >= 64)
1387: return(nerr(mdoc, n, ETOOLONG));
1388: }
1389:
1390: sec = mdoc_atosec(buf);
1391:
1.9 schwarze 1392: /*
1393: * Check: NAME should always be first, CUSTOM has no roles,
1394: * non-CUSTOM has a conventional order to be followed.
1395: */
1.1 kristaps 1396:
1.9 schwarze 1397: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1398: return(verr(mdoc, ESECNAME));
1.1 kristaps 1399: if (SEC_CUSTOM == sec)
1400: return(1);
1401: if (sec == mdoc->lastnamed)
1402: return(vwarn(mdoc, WSECREP));
1403: if (sec < mdoc->lastnamed)
1404: return(vwarn(mdoc, WSECOOO));
1405:
1.9 schwarze 1406: /*
1407: * Check particular section/manual conventions. LIBRARY can
1408: * only occur in msec 2, 3 (TODO: are there more of these?).
1409: */
1.1 kristaps 1410:
1411: switch (sec) {
1412: case (SEC_LIBRARY):
1413: switch (mdoc->meta.msec) {
1414: case (2):
1415: /* FALLTHROUGH */
1416: case (3):
1417: break;
1418: default:
1419: return(vwarn(mdoc, WWRONGMSEC));
1420: }
1421: break;
1422: default:
1423: break;
1424: }
1425:
1426: return(1);
1427: }
1428:
1429:
1430: static int
1431: pre_fd(PRE_ARGS)
1432: {
1433:
1434: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1435: }