Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.35
1.35 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.34 2009/08/09 21:49:45 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>
1.31 schwarze 21: #include <errno.h>
22: #include <limits.h>
1.1 kristaps 23: #include <stdarg.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
27: #include "libmdoc.h"
1.15 schwarze 28: #include "libmandoc.h"
1.1 kristaps 29:
30: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
31: /* TODO: ignoring Pp (it's superfluous in some invocations). */
32:
1.28 schwarze 33: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
34: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 35:
36: typedef int (*v_pre)(PRE_ARGS);
37: typedef int (*v_post)(POST_ARGS);
38:
39: struct valids {
40: v_pre *pre;
41: v_post *post;
42: };
43:
1.28 schwarze 44: static int check_parent(PRE_ARGS, int, enum mdoc_type);
45: static int check_msec(PRE_ARGS, ...);
46: static int check_sec(PRE_ARGS, ...);
47: static int check_stdarg(PRE_ARGS);
48: static int check_text(struct mdoc *, int, int, const char *);
49: static int check_argv(struct mdoc *,
1.1 kristaps 50: const struct mdoc_node *,
51: const struct mdoc_argv *);
1.28 schwarze 52: static int check_args(struct mdoc *,
1.1 kristaps 53: const struct mdoc_node *);
1.28 schwarze 54: static int err_child_lt(struct mdoc *, const char *, int);
55: static int warn_child_lt(struct mdoc *, const char *, int);
56: static int err_child_gt(struct mdoc *, const char *, int);
57: static int warn_child_gt(struct mdoc *, const char *, int);
58: static int err_child_eq(struct mdoc *, const char *, int);
59: static int warn_child_eq(struct mdoc *, const char *, int);
60: static int warn_print(struct mdoc *, int, int);
61: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 62: int, const char *, int);
1.28 schwarze 63: static int err_count(struct mdoc *, const char *,
1.1 kristaps 64: int, const char *, int);
1.28 schwarze 65:
66: static int berr_ge1(POST_ARGS);
67: static int bwarn_ge1(POST_ARGS);
68: static int ebool(POST_ARGS);
69: static int eerr_eq0(POST_ARGS);
70: static int eerr_eq1(POST_ARGS);
71: static int eerr_ge1(POST_ARGS);
72: static int eerr_le2(POST_ARGS);
73: static int ewarn_ge1(POST_ARGS);
74: static int herr_eq0(POST_ARGS);
75: static int herr_ge1(POST_ARGS);
76: static int hwarn_eq1(POST_ARGS);
77: static int hwarn_le1(POST_ARGS);
78:
79: static int post_an(POST_ARGS);
80: static int post_at(POST_ARGS);
81: static int post_bf(POST_ARGS);
82: static int post_bl(POST_ARGS);
83: static int post_bl_head(POST_ARGS);
84: static int post_it(POST_ARGS);
85: static int post_lb(POST_ARGS);
86: static int post_nm(POST_ARGS);
87: static int post_root(POST_ARGS);
88: static int post_sh(POST_ARGS);
89: static int post_sh_body(POST_ARGS);
90: static int post_sh_head(POST_ARGS);
1.31 schwarze 91: static int post_sp(POST_ARGS);
1.28 schwarze 92: static int post_st(POST_ARGS);
93: static int pre_an(PRE_ARGS);
94: static int pre_bd(PRE_ARGS);
95: static int pre_bl(PRE_ARGS);
96: static int pre_cd(PRE_ARGS);
97: static int pre_dd(PRE_ARGS);
98: static int pre_display(PRE_ARGS);
99: static int pre_dt(PRE_ARGS);
100: static int pre_er(PRE_ARGS);
101: static int pre_ex(PRE_ARGS);
102: static int pre_fd(PRE_ARGS);
103: static int pre_it(PRE_ARGS);
104: static int pre_lb(PRE_ARGS);
105: static int pre_os(PRE_ARGS);
106: static int pre_rv(PRE_ARGS);
107: static int pre_sh(PRE_ARGS);
108: static int pre_ss(PRE_ARGS);
109:
110: static v_post posts_an[] = { post_an, NULL };
111: static v_post posts_at[] = { post_at, NULL };
112: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
113: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
114: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
115: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
116: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
117: static v_post posts_in[] = { eerr_eq1, NULL };
118: static v_post posts_it[] = { post_it, NULL };
119: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
120: static v_post posts_nd[] = { berr_ge1, NULL };
121: static v_post posts_nm[] = { post_nm, NULL };
122: static v_post posts_notext[] = { eerr_eq0, NULL };
123: static v_post posts_pf[] = { eerr_eq1, NULL };
124: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.31 schwarze 125: static v_post posts_sp[] = { post_sp, NULL };
1.28 schwarze 126: static v_post posts_ss[] = { herr_ge1, NULL };
127: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
128: static v_post posts_text[] = { eerr_ge1, NULL };
129: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
130: static v_post posts_wtext[] = { ewarn_ge1, NULL };
131: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
132: static v_pre pres_an[] = { pre_an, NULL };
133: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
134: static v_pre pres_bl[] = { pre_bl, NULL };
135: static v_pre pres_cd[] = { pre_cd, NULL };
136: static v_pre pres_d1[] = { pre_display, NULL };
137: static v_pre pres_dd[] = { pre_dd, NULL };
138: static v_pre pres_dt[] = { pre_dt, NULL };
139: static v_pre pres_er[] = { pre_er, NULL };
140: static v_pre pres_ex[] = { pre_ex, NULL };
141: static v_pre pres_fd[] = { pre_fd, NULL };
142: static v_pre pres_it[] = { pre_it, NULL };
143: static v_pre pres_lb[] = { pre_lb, NULL };
144: static v_pre pres_os[] = { pre_os, NULL };
145: static v_pre pres_rv[] = { pre_rv, NULL };
146: static v_pre pres_sh[] = { pre_sh, NULL };
147: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 148:
149: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 150: { NULL, NULL }, /* Ap */
1.1 kristaps 151: { pres_dd, posts_text }, /* Dd */
152: { pres_dt, NULL }, /* Dt */
153: { pres_os, NULL }, /* Os */
154: { pres_sh, posts_sh }, /* Sh */
155: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 156: { NULL, posts_notext }, /* Pp */
1.1 kristaps 157: { pres_d1, posts_wline }, /* D1 */
158: { pres_d1, posts_wline }, /* Dl */
159: { pres_bd, posts_bd }, /* Bd */
160: { NULL, NULL }, /* Ed */
161: { pres_bl, posts_bl }, /* Bl */
162: { NULL, NULL }, /* El */
163: { pres_it, posts_it }, /* It */
164: { NULL, posts_text }, /* Ad */
165: { pres_an, posts_an }, /* An */
166: { NULL, NULL }, /* Ar */
167: { pres_cd, posts_text }, /* Cd */
168: { NULL, NULL }, /* Cm */
169: { NULL, NULL }, /* Dv */
170: { pres_er, posts_text }, /* Er */
171: { NULL, NULL }, /* Ev */
1.35 ! schwarze 172: { pres_ex, NULL }, /* Ex */
1.1 kristaps 173: { NULL, NULL }, /* Fa */
174: { pres_fd, posts_wtext }, /* Fd */
175: { NULL, NULL }, /* Fl */
176: { NULL, posts_text }, /* Fn */
177: { NULL, posts_wtext }, /* Ft */
178: { NULL, posts_text }, /* Ic */
179: { NULL, posts_in }, /* In */
180: { NULL, NULL }, /* Li */
1.25 schwarze 181: { NULL, posts_nd }, /* Nd */
1.1 kristaps 182: { NULL, posts_nm }, /* Nm */
183: { NULL, posts_wline }, /* Op */
184: { NULL, NULL }, /* Ot */
185: { NULL, NULL }, /* Pa */
1.35 ! schwarze 186: { pres_rv, NULL }, /* Rv */
1.1 kristaps 187: { NULL, posts_st }, /* St */
188: { NULL, NULL }, /* Va */
189: { NULL, posts_text }, /* Vt */
190: { NULL, posts_xr }, /* Xr */
191: { NULL, posts_text }, /* %A */
192: { NULL, posts_text }, /* %B */
193: { NULL, posts_text }, /* %D */
194: { NULL, posts_text }, /* %I */
195: { NULL, posts_text }, /* %J */
196: { NULL, posts_text }, /* %N */
197: { NULL, posts_text }, /* %O */
198: { NULL, posts_text }, /* %P */
199: { NULL, posts_text }, /* %R */
200: { NULL, posts_text }, /* %T */
201: { NULL, posts_text }, /* %V */
202: { NULL, NULL }, /* Ac */
203: { NULL, NULL }, /* Ao */
204: { NULL, posts_wline }, /* Aq */
205: { NULL, posts_at }, /* At */
206: { NULL, NULL }, /* Bc */
207: { NULL, posts_bf }, /* Bf */
208: { NULL, NULL }, /* Bo */
209: { NULL, posts_wline }, /* Bq */
210: { NULL, NULL }, /* Bsx */
211: { NULL, NULL }, /* Bx */
212: { NULL, posts_bool }, /* Db */
213: { NULL, NULL }, /* Dc */
214: { NULL, NULL }, /* Do */
215: { NULL, posts_wline }, /* Dq */
216: { NULL, NULL }, /* Ec */
217: { NULL, NULL }, /* Ef */
218: { NULL, NULL }, /* Em */
219: { NULL, NULL }, /* Eo */
220: { NULL, NULL }, /* Fx */
221: { NULL, posts_text }, /* Ms */
222: { NULL, posts_notext }, /* No */
223: { NULL, posts_notext }, /* Ns */
224: { NULL, NULL }, /* Nx */
225: { NULL, NULL }, /* Ox */
226: { NULL, NULL }, /* Pc */
227: { NULL, posts_pf }, /* Pf */
228: { NULL, NULL }, /* Po */
229: { NULL, posts_wline }, /* Pq */
230: { NULL, NULL }, /* Qc */
231: { NULL, posts_wline }, /* Ql */
232: { NULL, NULL }, /* Qo */
233: { NULL, posts_wline }, /* Qq */
234: { NULL, NULL }, /* Re */
235: { NULL, posts_wline }, /* Rs */
236: { NULL, NULL }, /* Sc */
237: { NULL, NULL }, /* So */
238: { NULL, posts_wline }, /* Sq */
239: { NULL, posts_bool }, /* Sm */
240: { NULL, posts_text }, /* Sx */
241: { NULL, posts_text }, /* Sy */
242: { NULL, posts_text }, /* Tn */
243: { NULL, NULL }, /* Ux */
244: { NULL, NULL }, /* Xc */
245: { NULL, NULL }, /* Xo */
246: { NULL, posts_fo }, /* Fo */
247: { NULL, NULL }, /* Fc */
248: { NULL, NULL }, /* Oo */
249: { NULL, NULL }, /* Oc */
250: { NULL, posts_wline }, /* Bk */
251: { NULL, NULL }, /* Ek */
252: { NULL, posts_notext }, /* Bt */
253: { NULL, NULL }, /* Hf */
254: { NULL, NULL }, /* Fr */
255: { NULL, posts_notext }, /* Ud */
256: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 257: { NULL, posts_notext }, /* Lp */
1.4 schwarze 258: { NULL, NULL }, /* Lk */
1.1 kristaps 259: { NULL, posts_text }, /* Mt */
260: { NULL, posts_wline }, /* Brq */
261: { NULL, NULL }, /* Bro */
262: { NULL, NULL }, /* Brc */
263: { NULL, posts_text }, /* %C */
264: { NULL, NULL }, /* Es */
265: { NULL, NULL }, /* En */
266: { NULL, NULL }, /* Dx */
267: { NULL, posts_text }, /* %Q */
1.31 schwarze 268: { NULL, posts_notext }, /* br */
269: { NULL, posts_sp }, /* sp */
1.1 kristaps 270: };
271:
272:
273: int
1.28 schwarze 274: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 275: {
276: v_pre *p;
277: int line, pos;
278: const char *tp;
279:
280: if (MDOC_TEXT == n->type) {
281: tp = n->string;
282: line = n->line;
283: pos = n->pos;
284: return(check_text(mdoc, line, pos, tp));
285: }
286:
287: if ( ! check_args(mdoc, n))
288: return(0);
289: if (NULL == mdoc_valids[n->tok].pre)
290: return(1);
291: for (p = mdoc_valids[n->tok].pre; *p; p++)
292: if ( ! (*p)(mdoc, n))
293: return(0);
294: return(1);
295: }
296:
297:
298: int
299: mdoc_valid_post(struct mdoc *mdoc)
300: {
301: v_post *p;
302:
303: if (MDOC_VALID & mdoc->last->flags)
304: return(1);
305: mdoc->last->flags |= MDOC_VALID;
306:
307: if (MDOC_TEXT == mdoc->last->type)
308: return(1);
309: if (MDOC_ROOT == mdoc->last->type)
310: return(post_root(mdoc));
311:
312: if (NULL == mdoc_valids[mdoc->last->tok].post)
313: return(1);
314: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
315: if ( ! (*p)(mdoc))
316: return(0);
317:
318: return(1);
319: }
320:
321:
322: static int
1.3 schwarze 323: warn_print(struct mdoc *m, int ln, int pos)
324: {
1.20 schwarze 325:
1.3 schwarze 326: if (MDOC_IGN_CHARS & m->pflags)
1.21 schwarze 327: return(mdoc_pwarn(m, ln, pos, EPRINT));
1.20 schwarze 328: return(mdoc_perr(m, ln, pos, EPRINT));
1.3 schwarze 329: }
330:
1.1 kristaps 331:
332: static inline int
333: warn_count(struct mdoc *m, const char *k,
334: int want, const char *v, int has)
335: {
336:
1.16 schwarze 337: return(mdoc_vwarn(m, m->last->line, m->last->pos,
1.1 kristaps 338: "suggests %s %s %d (has %d)", v, k, want, has));
339: }
340:
341:
342: static inline int
343: err_count(struct mdoc *m, const char *k,
344: int want, const char *v, int has)
345: {
346:
1.17 schwarze 347: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 348: "requires %s %s %d (has %d)", v, k, want, has));
349: }
350:
351:
352: /*
353: * Build these up with macros because they're basically the same check
354: * for different inequalities. Yes, this could be done with functions,
355: * but this is reasonable for now.
356: */
357:
358: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
359: static int \
360: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
361: { \
1.12 schwarze 362: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 363: return(1); \
1.12 schwarze 364: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 365: }
366:
367: #define CHECK_BODY_DEFN(name, lvl, func, num) \
368: static int \
369: b##lvl##_##name(POST_ARGS) \
370: { \
371: if (MDOC_BODY != mdoc->last->type) \
372: return(1); \
373: return(func(mdoc, "multi-line arguments", (num))); \
374: }
375:
376: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
377: static int \
378: e##lvl##_##name(POST_ARGS) \
379: { \
380: assert(MDOC_ELEM == mdoc->last->type); \
381: return(func(mdoc, "line arguments", (num))); \
382: }
383:
384: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
385: static int \
386: h##lvl##_##name(POST_ARGS) \
387: { \
388: if (MDOC_HEAD != mdoc->last->type) \
389: return(1); \
390: return(func(mdoc, "line arguments", (num))); \
391: }
392:
393:
394: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
395: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
396: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
397: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
398: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
399: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
400: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 401: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 402: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
403: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
404: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
405: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
406: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
407: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
408: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
409: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
410: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
411:
412:
413: static int
414: check_stdarg(PRE_ARGS)
415: {
416:
417: if (n->args && 1 == n->args->argc)
418: if (MDOC_Std == n->args->argv[0].arg)
419: return(1);
1.21 schwarze 420: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 421: }
422:
423:
424: static int
425: check_sec(PRE_ARGS, ...)
426: {
427: enum mdoc_sec sec;
428: va_list ap;
429:
430: va_start(ap, n);
431:
432: for (;;) {
433: /* LINTED */
434: sec = (enum mdoc_sec)va_arg(ap, int);
435: if (SEC_CUSTOM == sec)
436: break;
437: if (sec != mdoc->lastsec)
438: continue;
439: va_end(ap);
440: return(1);
441: }
442:
443: va_end(ap);
1.21 schwarze 444: return(mdoc_nwarn(mdoc, n, EBADSEC));
1.1 kristaps 445: }
446:
447:
448: static int
449: check_msec(PRE_ARGS, ...)
450: {
451: va_list ap;
452: int msec;
453:
454: va_start(ap, n);
455: for (;;) {
456: /* LINTED */
457: if (0 == (msec = va_arg(ap, int)))
458: break;
459: if (msec != mdoc->meta.msec)
460: continue;
461: va_end(ap);
462: return(1);
463: }
464:
465: va_end(ap);
1.21 schwarze 466: return(mdoc_nwarn(mdoc, n, EBADMSEC));
1.1 kristaps 467: }
468:
469:
470: static int
471: check_args(struct mdoc *m, const struct mdoc_node *n)
472: {
473: int i;
474:
475: if (NULL == n->args)
476: return(1);
477:
478: assert(n->args->argc);
479: for (i = 0; i < (int)n->args->argc; i++)
480: if ( ! check_argv(m, n, &n->args->argv[i]))
481: return(0);
482:
483: return(1);
484: }
485:
486:
487: static int
488: check_argv(struct mdoc *m, const struct mdoc_node *n,
489: const struct mdoc_argv *v)
490: {
491: int i;
492:
493: for (i = 0; i < (int)v->sz; i++)
494: if ( ! check_text(m, v->line, v->pos, v->value[i]))
495: return(0);
496:
497: if (MDOC_Std == v->arg) {
498: /* `Nm' name must be set. */
499: if (v->sz || m->meta.name)
500: return(1);
1.19 schwarze 501: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 502: }
503:
504: return(1);
505: }
506:
507:
508: static int
509: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
510: {
1.15 schwarze 511: int c;
1.1 kristaps 512:
1.15 schwarze 513: for ( ; *p; p++, pos++) {
1.1 kristaps 514: if ('\t' == *p) {
515: if ( ! (MDOC_LITERAL & mdoc->flags))
1.3 schwarze 516: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 517: return(0);
518: } else if ( ! isprint((u_char)*p))
1.3 schwarze 519: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 520: return(0);
521:
522: if ('\\' != *p)
523: continue;
524:
1.15 schwarze 525: c = mandoc_special(p);
1.1 kristaps 526: if (c) {
1.15 schwarze 527: p += c - 1;
528: pos += c - 1;
1.1 kristaps 529: continue;
530: }
531: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.20 schwarze 532: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.24 schwarze 533: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 534: return(0);
535: }
536:
537: return(1);
538: }
539:
540:
541:
542:
543: static int
544: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
545: {
546:
547: assert(n->parent);
548: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
549: (t == n->parent->type))
550: return(1);
551:
1.17 schwarze 552: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 553: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
554: }
555:
556:
557:
558: static int
559: pre_display(PRE_ARGS)
560: {
561: struct mdoc_node *node;
562:
563: /* Display elements (`Bd', `D1'...) cannot be nested. */
564:
565: if (MDOC_BLOCK != n->type)
566: return(1);
567:
568: /* LINTED */
569: for (node = mdoc->last->parent; node; node = node->parent)
570: if (MDOC_BLOCK == node->type)
571: if (MDOC_Bd == node->tok)
572: break;
573: if (NULL == node)
574: return(1);
575:
1.19 schwarze 576: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 577: }
578:
579:
580: static int
581: pre_bl(PRE_ARGS)
582: {
1.11 schwarze 583: int pos, type, width, offset;
1.1 kristaps 584:
585: if (MDOC_BLOCK != n->type)
586: return(1);
587: if (NULL == n->args)
1.19 schwarze 588: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 589:
590: /* Make sure that only one type of list is specified. */
591:
1.11 schwarze 592: type = offset = width = -1;
1.1 kristaps 593:
594: /* LINTED */
1.5 schwarze 595: for (pos = 0; pos < (int)n->args->argc; pos++)
596: switch (n->args->argv[pos].arg) {
1.1 kristaps 597: case (MDOC_Bullet):
598: /* FALLTHROUGH */
599: case (MDOC_Dash):
600: /* FALLTHROUGH */
601: case (MDOC_Enum):
602: /* FALLTHROUGH */
603: case (MDOC_Hyphen):
604: /* FALLTHROUGH */
605: case (MDOC_Item):
606: /* FALLTHROUGH */
607: case (MDOC_Tag):
608: /* FALLTHROUGH */
609: case (MDOC_Diag):
610: /* FALLTHROUGH */
611: case (MDOC_Hang):
612: /* FALLTHROUGH */
613: case (MDOC_Ohang):
614: /* FALLTHROUGH */
615: case (MDOC_Inset):
616: /* FALLTHROUGH */
617: case (MDOC_Column):
1.5 schwarze 618: if (-1 != type)
1.19 schwarze 619: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.5 schwarze 620: type = n->args->argv[pos].arg;
621: break;
1.1 kristaps 622: case (MDOC_Width):
1.5 schwarze 623: if (-1 != width)
1.19 schwarze 624: return(mdoc_nerr(mdoc, n, EARGREP));
1.5 schwarze 625: width = n->args->argv[pos].arg;
626: break;
1.1 kristaps 627: case (MDOC_Offset):
1.5 schwarze 628: if (-1 != offset)
1.19 schwarze 629: return(mdoc_nerr(mdoc, n, EARGREP));
1.5 schwarze 630: offset = n->args->argv[pos].arg;
631: break;
1.1 kristaps 632: default:
633: break;
634: }
635:
636: if (-1 == type)
1.19 schwarze 637: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 638:
1.5 schwarze 639: /*
640: * Validate the width field. Some list types don't need width
641: * types and should be warned about them. Others should have it
642: * and must also be warned.
643: */
644:
1.1 kristaps 645: switch (type) {
1.5 schwarze 646: case (MDOC_Tag):
1.21 schwarze 647: if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.5 schwarze 648: return(0);
649: break;
1.1 kristaps 650: case (MDOC_Column):
651: /* FALLTHROUGH */
652: case (MDOC_Diag):
653: /* FALLTHROUGH */
654: case (MDOC_Inset):
655: /* FALLTHROUGH */
656: case (MDOC_Item):
1.21 schwarze 657: if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.5 schwarze 658: return(0);
659: break;
660: default:
661: break;
662: }
663:
1.1 kristaps 664: return(1);
665: }
666:
667:
668: static int
669: pre_bd(PRE_ARGS)
670: {
671: int i, type, err;
672:
673: if (MDOC_BLOCK != n->type)
674: return(1);
675: if (NULL == n->args)
1.19 schwarze 676: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 677:
678: /* Make sure that only one type of display is specified. */
679:
680: /* LINTED */
681: for (i = 0, err = type = 0; ! err &&
682: i < (int)n->args->argc; i++)
683: switch (n->args->argv[i].arg) {
684: case (MDOC_Ragged):
685: /* FALLTHROUGH */
686: case (MDOC_Unfilled):
687: /* FALLTHROUGH */
688: case (MDOC_Filled):
689: /* FALLTHROUGH */
690: case (MDOC_Literal):
691: /* FALLTHROUGH */
692: case (MDOC_File):
693: if (0 == type++)
694: break;
1.19 schwarze 695: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 696: default:
697: break;
698: }
699:
700: if (type)
701: return(1);
1.19 schwarze 702: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 703: }
704:
705:
706: static int
707: pre_ss(PRE_ARGS)
708: {
709:
710: if (MDOC_BLOCK != n->type)
711: return(1);
712: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
713: }
714:
715:
716: static int
717: pre_sh(PRE_ARGS)
718: {
719:
720: if (MDOC_BLOCK != n->type)
721: return(1);
722: return(check_parent(mdoc, n, -1, MDOC_ROOT));
723: }
724:
725:
726: static int
727: pre_it(PRE_ARGS)
728: {
729:
730: if (MDOC_BLOCK != n->type)
731: return(1);
732: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
733: }
734:
735:
736: static int
737: pre_an(PRE_ARGS)
738: {
739:
740: if (NULL == n->args || 1 == n->args->argc)
741: return(1);
1.17 schwarze 742: return(mdoc_verr(mdoc, n->line, n->pos,
743: "only one argument allowed"));
1.1 kristaps 744: }
745:
746:
747: static int
748: pre_lb(PRE_ARGS)
749: {
750:
751: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
752: }
753:
754:
755: static int
756: pre_rv(PRE_ARGS)
757: {
758:
759: if ( ! check_msec(mdoc, n, 2, 3, 0))
760: return(0);
761: return(check_stdarg(mdoc, n));
762: }
763:
764:
765: static int
766: pre_ex(PRE_ARGS)
767: {
768:
769: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
770: return(0);
771: return(check_stdarg(mdoc, n));
772: }
773:
774:
775: static int
776: pre_er(PRE_ARGS)
777: {
778:
1.6 schwarze 779: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 780: }
781:
782:
783: static int
784: pre_cd(PRE_ARGS)
785: {
786:
787: return(check_msec(mdoc, n, 4, 0));
788: }
789:
790:
791: static int
792: pre_dt(PRE_ARGS)
793: {
794:
795: if (0 == mdoc->meta.date || mdoc->meta.os)
1.21 schwarze 796: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 797: return(0);
798: if (mdoc->meta.title)
1.21 schwarze 799: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 800: return(0);
801: return(1);
802: }
803:
804:
805: static int
806: pre_os(PRE_ARGS)
807: {
808:
809: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.21 schwarze 810: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 811: return(0);
812: if (mdoc->meta.os)
1.21 schwarze 813: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 814: return(0);
815: return(1);
816: }
817:
818:
819: static int
820: pre_dd(PRE_ARGS)
821: {
822:
823: if (mdoc->meta.title || mdoc->meta.os)
1.21 schwarze 824: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 825: return(0);
826: if (mdoc->meta.date)
1.21 schwarze 827: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 828: return(0);
829: return(1);
830: }
831:
832:
833: static int
834: post_bf(POST_ARGS)
835: {
836: char *p;
837: struct mdoc_node *head;
838:
839: if (MDOC_BLOCK != mdoc->last->type)
840: return(1);
841:
842: head = mdoc->last->head;
843:
1.10 schwarze 844: if (mdoc->last->args && head->child)
1.19 schwarze 845: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.10 schwarze 846: else if (mdoc->last->args)
847: return(1);
848:
849: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.19 schwarze 850: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 851:
1.10 schwarze 852: p = head->child->string;
1.1 kristaps 853:
1.10 schwarze 854: if (0 == strcmp(p, "Em"))
855: return(1);
856: else if (0 == strcmp(p, "Li"))
857: return(1);
1.30 schwarze 858: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 859: return(1);
1.1 kristaps 860:
1.19 schwarze 861: return(mdoc_nerr(mdoc, head, EFONT));
1.27 schwarze 862: }
863:
864:
865: static int
866: post_lb(POST_ARGS)
867: {
868:
869: if (mdoc_a2lib(mdoc->last->child->string))
870: return(1);
871: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
1.1 kristaps 872: }
873:
874:
875: static int
876: post_nm(POST_ARGS)
877: {
878:
879: if (mdoc->last->child)
880: return(1);
881: if (mdoc->meta.name)
882: return(1);
1.19 schwarze 883: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 884: }
885:
886:
887: static int
888: post_at(POST_ARGS)
889: {
890:
891: if (NULL == mdoc->last->child)
892: return(1);
893: if (MDOC_TEXT != mdoc->last->child->type)
1.19 schwarze 894: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 895: if (mdoc_a2att(mdoc->last->child->string))
896: return(1);
1.19 schwarze 897: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 898: }
899:
900:
901: static int
902: post_an(POST_ARGS)
903: {
904:
905: if (mdoc->last->args) {
906: if (NULL == mdoc->last->child)
907: return(1);
1.34 schwarze 908: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 909: }
910:
911: if (mdoc->last->child)
912: return(1);
1.19 schwarze 913: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 914: }
915:
916:
917: static int
918: post_it(POST_ARGS)
919: {
920: int type, i, cols;
921: struct mdoc_node *n, *c;
922:
923: if (MDOC_BLOCK != mdoc->last->type)
924: return(1);
925:
926: n = mdoc->last->parent->parent;
927: if (NULL == n->args)
1.19 schwarze 928: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 929:
930: /* Some types require block-head, some not. */
931:
932: /* LINTED */
933: for (cols = type = -1, i = 0; -1 == type &&
934: i < (int)n->args->argc; i++)
935: switch (n->args->argv[i].arg) {
936: case (MDOC_Tag):
937: /* FALLTHROUGH */
938: case (MDOC_Diag):
939: /* FALLTHROUGH */
940: case (MDOC_Hang):
941: /* FALLTHROUGH */
942: case (MDOC_Ohang):
943: /* FALLTHROUGH */
944: case (MDOC_Inset):
945: /* FALLTHROUGH */
946: case (MDOC_Bullet):
947: /* FALLTHROUGH */
948: case (MDOC_Dash):
949: /* FALLTHROUGH */
950: case (MDOC_Enum):
951: /* FALLTHROUGH */
952: case (MDOC_Hyphen):
953: /* FALLTHROUGH */
954: case (MDOC_Item):
955: type = n->args->argv[i].arg;
956: break;
957: case (MDOC_Column):
958: type = n->args->argv[i].arg;
959: cols = (int)n->args->argv[i].sz;
960: break;
961: default:
962: break;
963: }
964:
965: if (-1 == type)
1.19 schwarze 966: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 967:
968: switch (type) {
969: case (MDOC_Tag):
970: if (NULL == mdoc->last->head->child)
1.21 schwarze 971: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 972: return(0);
973: break;
974: case (MDOC_Hang):
975: /* FALLTHROUGH */
976: case (MDOC_Ohang):
977: /* FALLTHROUGH */
978: case (MDOC_Inset):
979: /* FALLTHROUGH */
980: case (MDOC_Diag):
981: if (NULL == mdoc->last->head->child)
1.21 schwarze 982: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 983: return(0);
984: if (NULL == mdoc->last->body->child)
1.21 schwarze 985: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 986: return(0);
987: break;
988: case (MDOC_Bullet):
989: /* FALLTHROUGH */
990: case (MDOC_Dash):
991: /* FALLTHROUGH */
992: case (MDOC_Enum):
993: /* FALLTHROUGH */
994: case (MDOC_Hyphen):
995: /* FALLTHROUGH */
996: case (MDOC_Item):
997: if (mdoc->last->head->child)
1.21 schwarze 998: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 999: return(0);
1000: if (NULL == mdoc->last->body->child)
1.21 schwarze 1001: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1002: return(0);
1003: break;
1004: case (MDOC_Column):
1005: if (NULL == mdoc->last->head->child)
1.21 schwarze 1006: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1007: return(0);
1008: if (mdoc->last->body->child)
1.21 schwarze 1009: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1010: return(0);
1011: c = mdoc->last->child;
1012: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1013: i++;
1.32 schwarze 1014:
1.33 schwarze 1015: if (i < cols || i == (cols + 1)) {
1.32 schwarze 1016: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
1017: mdoc->last->pos, "column "
1018: "mismatch: have %d, want %d",
1019: i, cols))
1020: return(0);
1.1 kristaps 1021: break;
1.32 schwarze 1022: } else if (i == cols)
1023: break;
1024:
1025: return(mdoc_verr(mdoc, mdoc->last->line,
1026: mdoc->last->pos, "column mismatch: "
1027: "have %d, want %d", i, cols));
1.1 kristaps 1028: default:
1029: break;
1030: }
1031:
1032: return(1);
1033: }
1034:
1035:
1036: static int
1.11 schwarze 1037: post_bl_head(POST_ARGS)
1038: {
1039: int i;
1040: const struct mdoc_node *n;
1041:
1042: n = mdoc->last->parent;
1043: assert(n->args);
1044:
1045: for (i = 0; i < (int)n->args->argc; i++)
1046: if (n->args->argv[i].arg == MDOC_Column)
1047: break;
1048:
1049: if (i == (int)n->args->argc)
1050: return(1);
1051:
1052: if (n->args->argv[i].sz && mdoc->last->child)
1.19 schwarze 1053: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.11 schwarze 1054:
1055: return(1);
1056: }
1057:
1058:
1059: static int
1.1 kristaps 1060: post_bl(POST_ARGS)
1061: {
1062: struct mdoc_node *n;
1063:
1.11 schwarze 1064: if (MDOC_HEAD == mdoc->last->type)
1065: return(post_bl_head(mdoc));
1.1 kristaps 1066: if (MDOC_BODY != mdoc->last->type)
1067: return(1);
1068: if (NULL == mdoc->last->child)
1069: return(1);
1070:
1071: /* LINTED */
1072: for (n = mdoc->last->child; n; n = n->next) {
1073: if (MDOC_BLOCK == n->type)
1074: if (MDOC_It == n->tok)
1075: continue;
1.17 schwarze 1076: return(mdoc_verr(mdoc, n->line, n->pos,
1077: "bad child of parent %s",
1.1 kristaps 1078: mdoc_macronames[mdoc->last->tok]));
1079: }
1080:
1081: return(1);
1082: }
1083:
1084:
1085: static int
1086: ebool(struct mdoc *mdoc)
1087: {
1088: struct mdoc_node *n;
1089:
1090: /* LINTED */
1091: for (n = mdoc->last->child; n; n = n->next) {
1092: if (MDOC_TEXT != n->type)
1093: break;
1094: if (0 == strcmp(n->string, "on"))
1095: continue;
1096: if (0 == strcmp(n->string, "off"))
1097: continue;
1098: break;
1099: }
1100:
1101: if (NULL == n)
1102: return(1);
1.19 schwarze 1103: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1104: }
1105:
1106:
1107: static int
1108: post_root(POST_ARGS)
1109: {
1110:
1111: if (NULL == mdoc->first->child)
1.19 schwarze 1112: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.9 schwarze 1113: if ( ! (MDOC_PBODY & mdoc->flags))
1.19 schwarze 1114: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1115:
1116: if (MDOC_BLOCK != mdoc->first->child->type)
1.19 schwarze 1117: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1118: if (MDOC_Sh != mdoc->first->child->tok)
1.19 schwarze 1119: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1120:
1121: return(1);
1122: }
1.31 schwarze 1123:
1124:
1125: static int
1126: post_sp(POST_ARGS)
1127: {
1128: long lval;
1129: char *ep, *buf;
1130:
1131: if (NULL == mdoc->last->child)
1132: return(1);
1133: else if ( ! eerr_eq1(mdoc))
1134: return(0);
1135:
1136: assert(MDOC_TEXT == mdoc->last->child->type);
1137: buf = mdoc->last->child->string;
1138: assert(buf);
1139:
1140: /* From OpenBSD's strtol(3). */
1141: errno = 0;
1142: lval = strtol(buf, &ep, 10);
1143: if (buf[0] == '\0' || *ep != '\0')
1144: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1145:
1146: if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
1147: (lval > INT_MAX || lval < 0))
1148: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1149:
1150: return(1);
1151: }
1152:
1153:
1.1 kristaps 1154:
1155:
1156: static int
1157: post_st(POST_ARGS)
1158: {
1159:
1160: if (mdoc_a2st(mdoc->last->child->string))
1161: return(1);
1.29 schwarze 1162: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.1 kristaps 1163: }
1164:
1165:
1166: static int
1167: post_sh(POST_ARGS)
1168: {
1169:
1170: if (MDOC_HEAD == mdoc->last->type)
1171: return(post_sh_head(mdoc));
1172: if (MDOC_BODY == mdoc->last->type)
1173: return(post_sh_body(mdoc));
1174:
1175: return(1);
1176: }
1177:
1178:
1179: static int
1180: post_sh_body(POST_ARGS)
1181: {
1182: struct mdoc_node *n;
1183:
1.26 schwarze 1184: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1185: return(1);
1186:
1187: /*
1188: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1189: * macros (can have multiple `Nm' and one `Nd'). Note that the
1190: * children of the BODY declaration can also be "text".
1191: */
1192:
1193: if (NULL == (n = mdoc->last->child))
1.21 schwarze 1194: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1195:
1196: for ( ; n && n->next; n = n->next) {
1197: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1198: continue;
1199: if (MDOC_TEXT == n->type)
1200: continue;
1.21 schwarze 1201: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1202: return(0);
1203: }
1204:
1.34 schwarze 1205: assert(n);
1.25 schwarze 1206: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1207: return(1);
1.21 schwarze 1208: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1209: }
1210:
1211:
1212: static int
1213: post_sh_head(POST_ARGS)
1214: {
1215: char buf[64];
1216: enum mdoc_sec sec;
1217: const struct mdoc_node *n;
1218:
1219: /*
1220: * Process a new section. Sections are either "named" or
1221: * "custom"; custom sections are user-defined, while named ones
1222: * usually follow a conventional order and may only appear in
1223: * certain manual sections.
1224: */
1225:
1.9 schwarze 1226: buf[0] = 0;
1.1 kristaps 1227:
1228: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1229: /* XXX - copied from compact(). */
1.1 kristaps 1230: assert(MDOC_TEXT == n->type);
1.9 schwarze 1231:
1.1 kristaps 1232: if (strlcat(buf, n->string, 64) >= 64)
1.19 schwarze 1233: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1234: if (NULL == n->next)
1235: continue;
1236: if (strlcat(buf, " ", 64) >= 64)
1.19 schwarze 1237: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1238: }
1239:
1240: sec = mdoc_atosec(buf);
1241:
1.9 schwarze 1242: /*
1243: * Check: NAME should always be first, CUSTOM has no roles,
1244: * non-CUSTOM has a conventional order to be followed.
1245: */
1.1 kristaps 1246:
1.9 schwarze 1247: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.19 schwarze 1248: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1249: if (SEC_CUSTOM == sec)
1250: return(1);
1251: if (sec == mdoc->lastnamed)
1.23 schwarze 1252: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1253: return(0);
1.1 kristaps 1254: if (sec < mdoc->lastnamed)
1.23 schwarze 1255: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1256: return(0);
1.1 kristaps 1257:
1.9 schwarze 1258: /*
1259: * Check particular section/manual conventions. LIBRARY can
1260: * only occur in msec 2, 3 (TODO: are there more of these?).
1261: */
1.1 kristaps 1262:
1263: switch (sec) {
1264: case (SEC_LIBRARY):
1265: switch (mdoc->meta.msec) {
1266: case (2):
1267: /* FALLTHROUGH */
1268: case (3):
1269: break;
1270: default:
1.21 schwarze 1271: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1272: }
1273: break;
1274: default:
1275: break;
1276: }
1277:
1278: return(1);
1279: }
1280:
1281:
1282: static int
1283: pre_fd(PRE_ARGS)
1284: {
1285:
1286: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1287: }
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