Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.34
1.34 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.33 2009/08/09 20:11:30 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_args(POST_ARGS);
81: static int post_at(POST_ARGS);
82: static int post_bf(POST_ARGS);
83: static int post_bl(POST_ARGS);
84: static int post_bl_head(POST_ARGS);
85: static int post_it(POST_ARGS);
86: static int post_lb(POST_ARGS);
87: static int post_nm(POST_ARGS);
88: static int post_root(POST_ARGS);
89: static int post_sh(POST_ARGS);
90: static int post_sh_body(POST_ARGS);
91: static int post_sh_head(POST_ARGS);
1.31 schwarze 92: static int post_sp(POST_ARGS);
1.28 schwarze 93: static int post_st(POST_ARGS);
94: static int pre_an(PRE_ARGS);
95: static int pre_bd(PRE_ARGS);
96: static int pre_bl(PRE_ARGS);
97: static int pre_cd(PRE_ARGS);
98: static int pre_dd(PRE_ARGS);
99: static int pre_display(PRE_ARGS);
100: static int pre_dt(PRE_ARGS);
101: static int pre_er(PRE_ARGS);
102: static int pre_ex(PRE_ARGS);
103: static int pre_fd(PRE_ARGS);
104: static int pre_it(PRE_ARGS);
105: static int pre_lb(PRE_ARGS);
106: static int pre_os(PRE_ARGS);
107: static int pre_rv(PRE_ARGS);
108: static int pre_sh(PRE_ARGS);
109: static int pre_ss(PRE_ARGS);
110:
111: static v_post posts_an[] = { post_an, NULL };
112: static v_post posts_at[] = { post_at, NULL };
113: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
114: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
115: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
116: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
117: static v_post posts_ex[] = { eerr_eq0, post_args, NULL };
118: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
119: static v_post posts_in[] = { eerr_eq1, NULL };
120: static v_post posts_it[] = { post_it, NULL };
121: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
122: static v_post posts_nd[] = { berr_ge1, NULL };
123: static v_post posts_nm[] = { post_nm, NULL };
124: static v_post posts_notext[] = { eerr_eq0, NULL };
125: static v_post posts_pf[] = { eerr_eq1, NULL };
126: static v_post posts_rv[] = { eerr_eq0, post_args, NULL };
127: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.31 schwarze 128: static v_post posts_sp[] = { post_sp, NULL };
1.28 schwarze 129: static v_post posts_ss[] = { herr_ge1, NULL };
130: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
131: static v_post posts_text[] = { eerr_ge1, NULL };
132: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
133: static v_post posts_wtext[] = { ewarn_ge1, NULL };
134: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
135: static v_pre pres_an[] = { pre_an, NULL };
136: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
137: static v_pre pres_bl[] = { pre_bl, NULL };
138: static v_pre pres_cd[] = { pre_cd, NULL };
139: static v_pre pres_d1[] = { pre_display, NULL };
140: static v_pre pres_dd[] = { pre_dd, NULL };
141: static v_pre pres_dt[] = { pre_dt, NULL };
142: static v_pre pres_er[] = { pre_er, NULL };
143: static v_pre pres_ex[] = { pre_ex, NULL };
144: static v_pre pres_fd[] = { pre_fd, NULL };
145: static v_pre pres_it[] = { pre_it, NULL };
146: static v_pre pres_lb[] = { pre_lb, NULL };
147: static v_pre pres_os[] = { pre_os, NULL };
148: static v_pre pres_rv[] = { pre_rv, NULL };
149: static v_pre pres_sh[] = { pre_sh, NULL };
150: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 151:
152: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 153: { NULL, NULL }, /* Ap */
1.1 kristaps 154: { pres_dd, posts_text }, /* Dd */
155: { pres_dt, NULL }, /* Dt */
156: { pres_os, NULL }, /* Os */
157: { pres_sh, posts_sh }, /* Sh */
158: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 159: { NULL, posts_notext }, /* Pp */
1.1 kristaps 160: { pres_d1, posts_wline }, /* D1 */
161: { pres_d1, posts_wline }, /* Dl */
162: { pres_bd, posts_bd }, /* Bd */
163: { NULL, NULL }, /* Ed */
164: { pres_bl, posts_bl }, /* Bl */
165: { NULL, NULL }, /* El */
166: { pres_it, posts_it }, /* It */
167: { NULL, posts_text }, /* Ad */
168: { pres_an, posts_an }, /* An */
169: { NULL, NULL }, /* Ar */
170: { pres_cd, posts_text }, /* Cd */
171: { NULL, NULL }, /* Cm */
172: { NULL, NULL }, /* Dv */
173: { pres_er, posts_text }, /* Er */
174: { NULL, NULL }, /* Ev */
175: { pres_ex, posts_ex }, /* Ex */
176: { NULL, NULL }, /* Fa */
177: { pres_fd, posts_wtext }, /* Fd */
178: { NULL, NULL }, /* Fl */
179: { NULL, posts_text }, /* Fn */
180: { NULL, posts_wtext }, /* Ft */
181: { NULL, posts_text }, /* Ic */
182: { NULL, posts_in }, /* In */
183: { NULL, NULL }, /* Li */
1.25 schwarze 184: { NULL, posts_nd }, /* Nd */
1.1 kristaps 185: { NULL, posts_nm }, /* Nm */
186: { NULL, posts_wline }, /* Op */
187: { NULL, NULL }, /* Ot */
188: { NULL, NULL }, /* Pa */
189: { pres_rv, posts_rv }, /* Rv */
190: { NULL, posts_st }, /* St */
191: { NULL, NULL }, /* Va */
192: { NULL, posts_text }, /* Vt */
193: { NULL, posts_xr }, /* Xr */
194: { NULL, posts_text }, /* %A */
195: { NULL, posts_text }, /* %B */
196: { NULL, posts_text }, /* %D */
197: { NULL, posts_text }, /* %I */
198: { NULL, posts_text }, /* %J */
199: { NULL, posts_text }, /* %N */
200: { NULL, posts_text }, /* %O */
201: { NULL, posts_text }, /* %P */
202: { NULL, posts_text }, /* %R */
203: { NULL, posts_text }, /* %T */
204: { NULL, posts_text }, /* %V */
205: { NULL, NULL }, /* Ac */
206: { NULL, NULL }, /* Ao */
207: { NULL, posts_wline }, /* Aq */
208: { NULL, posts_at }, /* At */
209: { NULL, NULL }, /* Bc */
210: { NULL, posts_bf }, /* Bf */
211: { NULL, NULL }, /* Bo */
212: { NULL, posts_wline }, /* Bq */
213: { NULL, NULL }, /* Bsx */
214: { NULL, NULL }, /* Bx */
215: { NULL, posts_bool }, /* Db */
216: { NULL, NULL }, /* Dc */
217: { NULL, NULL }, /* Do */
218: { NULL, posts_wline }, /* Dq */
219: { NULL, NULL }, /* Ec */
220: { NULL, NULL }, /* Ef */
221: { NULL, NULL }, /* Em */
222: { NULL, NULL }, /* Eo */
223: { NULL, NULL }, /* Fx */
224: { NULL, posts_text }, /* Ms */
225: { NULL, posts_notext }, /* No */
226: { NULL, posts_notext }, /* Ns */
227: { NULL, NULL }, /* Nx */
228: { NULL, NULL }, /* Ox */
229: { NULL, NULL }, /* Pc */
230: { NULL, posts_pf }, /* Pf */
231: { NULL, NULL }, /* Po */
232: { NULL, posts_wline }, /* Pq */
233: { NULL, NULL }, /* Qc */
234: { NULL, posts_wline }, /* Ql */
235: { NULL, NULL }, /* Qo */
236: { NULL, posts_wline }, /* Qq */
237: { NULL, NULL }, /* Re */
238: { NULL, posts_wline }, /* Rs */
239: { NULL, NULL }, /* Sc */
240: { NULL, NULL }, /* So */
241: { NULL, posts_wline }, /* Sq */
242: { NULL, posts_bool }, /* Sm */
243: { NULL, posts_text }, /* Sx */
244: { NULL, posts_text }, /* Sy */
245: { NULL, posts_text }, /* Tn */
246: { NULL, NULL }, /* Ux */
247: { NULL, NULL }, /* Xc */
248: { NULL, NULL }, /* Xo */
249: { NULL, posts_fo }, /* Fo */
250: { NULL, NULL }, /* Fc */
251: { NULL, NULL }, /* Oo */
252: { NULL, NULL }, /* Oc */
253: { NULL, posts_wline }, /* Bk */
254: { NULL, NULL }, /* Ek */
255: { NULL, posts_notext }, /* Bt */
256: { NULL, NULL }, /* Hf */
257: { NULL, NULL }, /* Fr */
258: { NULL, posts_notext }, /* Ud */
259: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 260: { NULL, posts_notext }, /* Lp */
1.4 schwarze 261: { NULL, NULL }, /* Lk */
1.1 kristaps 262: { NULL, posts_text }, /* Mt */
263: { NULL, posts_wline }, /* Brq */
264: { NULL, NULL }, /* Bro */
265: { NULL, NULL }, /* Brc */
266: { NULL, posts_text }, /* %C */
267: { NULL, NULL }, /* Es */
268: { NULL, NULL }, /* En */
269: { NULL, NULL }, /* Dx */
270: { NULL, posts_text }, /* %Q */
1.31 schwarze 271: { NULL, posts_notext }, /* br */
272: { NULL, posts_sp }, /* sp */
1.1 kristaps 273: };
274:
275:
276: int
1.28 schwarze 277: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 278: {
279: v_pre *p;
280: int line, pos;
281: const char *tp;
282:
283: if (MDOC_TEXT == n->type) {
284: tp = n->string;
285: line = n->line;
286: pos = n->pos;
287: return(check_text(mdoc, line, pos, tp));
288: }
289:
290: if ( ! check_args(mdoc, n))
291: return(0);
292: if (NULL == mdoc_valids[n->tok].pre)
293: return(1);
294: for (p = mdoc_valids[n->tok].pre; *p; p++)
295: if ( ! (*p)(mdoc, n))
296: return(0);
297: return(1);
298: }
299:
300:
301: int
302: mdoc_valid_post(struct mdoc *mdoc)
303: {
304: v_post *p;
305:
306: if (MDOC_VALID & mdoc->last->flags)
307: return(1);
308: mdoc->last->flags |= MDOC_VALID;
309:
310: if (MDOC_TEXT == mdoc->last->type)
311: return(1);
312: if (MDOC_ROOT == mdoc->last->type)
313: return(post_root(mdoc));
314:
315: if (NULL == mdoc_valids[mdoc->last->tok].post)
316: return(1);
317: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
318: if ( ! (*p)(mdoc))
319: return(0);
320:
321: return(1);
322: }
323:
324:
325: static int
1.3 schwarze 326: warn_print(struct mdoc *m, int ln, int pos)
327: {
1.20 schwarze 328:
1.3 schwarze 329: if (MDOC_IGN_CHARS & m->pflags)
1.21 schwarze 330: return(mdoc_pwarn(m, ln, pos, EPRINT));
1.20 schwarze 331: return(mdoc_perr(m, ln, pos, EPRINT));
1.3 schwarze 332: }
333:
1.1 kristaps 334:
335: static inline int
336: warn_count(struct mdoc *m, const char *k,
337: int want, const char *v, int has)
338: {
339:
1.16 schwarze 340: return(mdoc_vwarn(m, m->last->line, m->last->pos,
1.1 kristaps 341: "suggests %s %s %d (has %d)", v, k, want, has));
342: }
343:
344:
345: static inline int
346: err_count(struct mdoc *m, const char *k,
347: int want, const char *v, int has)
348: {
349:
1.17 schwarze 350: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 351: "requires %s %s %d (has %d)", v, k, want, has));
352: }
353:
354:
355: /*
356: * Build these up with macros because they're basically the same check
357: * for different inequalities. Yes, this could be done with functions,
358: * but this is reasonable for now.
359: */
360:
361: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
362: static int \
363: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
364: { \
1.12 schwarze 365: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 366: return(1); \
1.12 schwarze 367: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 368: }
369:
370: #define CHECK_BODY_DEFN(name, lvl, func, num) \
371: static int \
372: b##lvl##_##name(POST_ARGS) \
373: { \
374: if (MDOC_BODY != mdoc->last->type) \
375: return(1); \
376: return(func(mdoc, "multi-line arguments", (num))); \
377: }
378:
379: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
380: static int \
381: e##lvl##_##name(POST_ARGS) \
382: { \
383: assert(MDOC_ELEM == mdoc->last->type); \
384: return(func(mdoc, "line arguments", (num))); \
385: }
386:
387: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
388: static int \
389: h##lvl##_##name(POST_ARGS) \
390: { \
391: if (MDOC_HEAD != mdoc->last->type) \
392: return(1); \
393: return(func(mdoc, "line arguments", (num))); \
394: }
395:
396:
397: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
398: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
399: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
400: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
401: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
402: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
403: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 404: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 405: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
406: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
407: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
408: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
409: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
410: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
411: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
412: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
413: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
414:
415:
416: static int
417: check_stdarg(PRE_ARGS)
418: {
419:
420: if (n->args && 1 == n->args->argc)
421: if (MDOC_Std == n->args->argv[0].arg)
422: return(1);
1.21 schwarze 423: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 424: }
425:
426:
427: static int
428: check_sec(PRE_ARGS, ...)
429: {
430: enum mdoc_sec sec;
431: va_list ap;
432:
433: va_start(ap, n);
434:
435: for (;;) {
436: /* LINTED */
437: sec = (enum mdoc_sec)va_arg(ap, int);
438: if (SEC_CUSTOM == sec)
439: break;
440: if (sec != mdoc->lastsec)
441: continue;
442: va_end(ap);
443: return(1);
444: }
445:
446: va_end(ap);
1.21 schwarze 447: return(mdoc_nwarn(mdoc, n, EBADSEC));
1.1 kristaps 448: }
449:
450:
451: static int
452: check_msec(PRE_ARGS, ...)
453: {
454: va_list ap;
455: int msec;
456:
457: va_start(ap, n);
458: for (;;) {
459: /* LINTED */
460: if (0 == (msec = va_arg(ap, int)))
461: break;
462: if (msec != mdoc->meta.msec)
463: continue;
464: va_end(ap);
465: return(1);
466: }
467:
468: va_end(ap);
1.21 schwarze 469: return(mdoc_nwarn(mdoc, n, EBADMSEC));
1.1 kristaps 470: }
471:
472:
473: static int
474: check_args(struct mdoc *m, const struct mdoc_node *n)
475: {
476: int i;
477:
478: if (NULL == n->args)
479: return(1);
480:
481: assert(n->args->argc);
482: for (i = 0; i < (int)n->args->argc; i++)
483: if ( ! check_argv(m, n, &n->args->argv[i]))
484: return(0);
485:
486: return(1);
487: }
488:
489:
490: static int
491: check_argv(struct mdoc *m, const struct mdoc_node *n,
492: const struct mdoc_argv *v)
493: {
494: int i;
495:
496: for (i = 0; i < (int)v->sz; i++)
497: if ( ! check_text(m, v->line, v->pos, v->value[i]))
498: return(0);
499:
500: if (MDOC_Std == v->arg) {
501: /* `Nm' name must be set. */
502: if (v->sz || m->meta.name)
503: return(1);
1.19 schwarze 504: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 505: }
506:
507: return(1);
508: }
509:
510:
511: static int
512: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
513: {
1.15 schwarze 514: int c;
1.1 kristaps 515:
1.15 schwarze 516: for ( ; *p; p++, pos++) {
1.1 kristaps 517: if ('\t' == *p) {
518: if ( ! (MDOC_LITERAL & mdoc->flags))
1.3 schwarze 519: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 520: return(0);
521: } else if ( ! isprint((u_char)*p))
1.3 schwarze 522: if ( ! warn_print(mdoc, line, pos))
1.1 kristaps 523: return(0);
524:
525: if ('\\' != *p)
526: continue;
527:
1.15 schwarze 528: c = mandoc_special(p);
1.1 kristaps 529: if (c) {
1.15 schwarze 530: p += c - 1;
531: pos += c - 1;
1.1 kristaps 532: continue;
533: }
534: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.20 schwarze 535: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.24 schwarze 536: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 537: return(0);
538: }
539:
540: return(1);
541: }
542:
543:
544:
545:
546: static int
547: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
548: {
549:
550: assert(n->parent);
551: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
552: (t == n->parent->type))
553: return(1);
554:
1.17 schwarze 555: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 556: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
557: }
558:
559:
560:
561: static int
562: pre_display(PRE_ARGS)
563: {
564: struct mdoc_node *node;
565:
566: /* Display elements (`Bd', `D1'...) cannot be nested. */
567:
568: if (MDOC_BLOCK != n->type)
569: return(1);
570:
571: /* LINTED */
572: for (node = mdoc->last->parent; node; node = node->parent)
573: if (MDOC_BLOCK == node->type)
574: if (MDOC_Bd == node->tok)
575: break;
576: if (NULL == node)
577: return(1);
578:
1.19 schwarze 579: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 580: }
581:
582:
583: static int
584: pre_bl(PRE_ARGS)
585: {
1.11 schwarze 586: int pos, type, width, offset;
1.1 kristaps 587:
588: if (MDOC_BLOCK != n->type)
589: return(1);
590: if (NULL == n->args)
1.19 schwarze 591: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 592:
593: /* Make sure that only one type of list is specified. */
594:
1.11 schwarze 595: type = offset = width = -1;
1.1 kristaps 596:
597: /* LINTED */
1.5 schwarze 598: for (pos = 0; pos < (int)n->args->argc; pos++)
599: switch (n->args->argv[pos].arg) {
1.1 kristaps 600: case (MDOC_Bullet):
601: /* FALLTHROUGH */
602: case (MDOC_Dash):
603: /* FALLTHROUGH */
604: case (MDOC_Enum):
605: /* FALLTHROUGH */
606: case (MDOC_Hyphen):
607: /* FALLTHROUGH */
608: case (MDOC_Item):
609: /* FALLTHROUGH */
610: case (MDOC_Tag):
611: /* FALLTHROUGH */
612: case (MDOC_Diag):
613: /* FALLTHROUGH */
614: case (MDOC_Hang):
615: /* FALLTHROUGH */
616: case (MDOC_Ohang):
617: /* FALLTHROUGH */
618: case (MDOC_Inset):
619: /* FALLTHROUGH */
620: case (MDOC_Column):
1.5 schwarze 621: if (-1 != type)
1.19 schwarze 622: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.5 schwarze 623: type = n->args->argv[pos].arg;
624: break;
1.1 kristaps 625: case (MDOC_Width):
1.5 schwarze 626: if (-1 != width)
1.19 schwarze 627: return(mdoc_nerr(mdoc, n, EARGREP));
1.5 schwarze 628: width = n->args->argv[pos].arg;
629: break;
1.1 kristaps 630: case (MDOC_Offset):
1.5 schwarze 631: if (-1 != offset)
1.19 schwarze 632: return(mdoc_nerr(mdoc, n, EARGREP));
1.5 schwarze 633: offset = n->args->argv[pos].arg;
634: break;
1.1 kristaps 635: default:
636: break;
637: }
638:
639: if (-1 == type)
1.19 schwarze 640: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 641:
1.5 schwarze 642: /*
643: * Validate the width field. Some list types don't need width
644: * types and should be warned about them. Others should have it
645: * and must also be warned.
646: */
647:
1.1 kristaps 648: switch (type) {
1.5 schwarze 649: case (MDOC_Tag):
1.21 schwarze 650: if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.5 schwarze 651: return(0);
652: break;
1.1 kristaps 653: case (MDOC_Column):
654: /* FALLTHROUGH */
655: case (MDOC_Diag):
656: /* FALLTHROUGH */
657: case (MDOC_Inset):
658: /* FALLTHROUGH */
659: case (MDOC_Item):
1.21 schwarze 660: if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.5 schwarze 661: return(0);
662: break;
663: default:
664: break;
665: }
666:
1.1 kristaps 667: return(1);
668: }
669:
670:
671: static int
672: pre_bd(PRE_ARGS)
673: {
674: int i, type, err;
675:
676: if (MDOC_BLOCK != n->type)
677: return(1);
678: if (NULL == n->args)
1.19 schwarze 679: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 680:
681: /* Make sure that only one type of display is specified. */
682:
683: /* LINTED */
684: for (i = 0, err = type = 0; ! err &&
685: i < (int)n->args->argc; i++)
686: switch (n->args->argv[i].arg) {
687: case (MDOC_Ragged):
688: /* FALLTHROUGH */
689: case (MDOC_Unfilled):
690: /* FALLTHROUGH */
691: case (MDOC_Filled):
692: /* FALLTHROUGH */
693: case (MDOC_Literal):
694: /* FALLTHROUGH */
695: case (MDOC_File):
696: if (0 == type++)
697: break;
1.19 schwarze 698: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 699: default:
700: break;
701: }
702:
703: if (type)
704: return(1);
1.19 schwarze 705: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 706: }
707:
708:
709: static int
710: pre_ss(PRE_ARGS)
711: {
712:
713: if (MDOC_BLOCK != n->type)
714: return(1);
715: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
716: }
717:
718:
719: static int
720: pre_sh(PRE_ARGS)
721: {
722:
723: if (MDOC_BLOCK != n->type)
724: return(1);
725: return(check_parent(mdoc, n, -1, MDOC_ROOT));
726: }
727:
728:
729: static int
730: pre_it(PRE_ARGS)
731: {
732:
733: if (MDOC_BLOCK != n->type)
734: return(1);
735: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
736: }
737:
738:
739: static int
740: pre_an(PRE_ARGS)
741: {
742:
743: if (NULL == n->args || 1 == n->args->argc)
744: return(1);
1.17 schwarze 745: return(mdoc_verr(mdoc, n->line, n->pos,
746: "only one argument allowed"));
1.1 kristaps 747: }
748:
749:
750: static int
751: pre_lb(PRE_ARGS)
752: {
753:
754: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
755: }
756:
757:
758: static int
759: pre_rv(PRE_ARGS)
760: {
761:
762: if ( ! check_msec(mdoc, n, 2, 3, 0))
763: return(0);
764: return(check_stdarg(mdoc, n));
765: }
766:
767:
768: static int
769: pre_ex(PRE_ARGS)
770: {
771:
772: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
773: return(0);
774: return(check_stdarg(mdoc, n));
775: }
776:
777:
778: static int
779: pre_er(PRE_ARGS)
780: {
781:
1.6 schwarze 782: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 783: }
784:
785:
786: static int
787: pre_cd(PRE_ARGS)
788: {
789:
790: return(check_msec(mdoc, n, 4, 0));
791: }
792:
793:
794: static int
795: pre_dt(PRE_ARGS)
796: {
797:
798: if (0 == mdoc->meta.date || mdoc->meta.os)
1.21 schwarze 799: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 800: return(0);
801: if (mdoc->meta.title)
1.21 schwarze 802: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 803: return(0);
804: return(1);
805: }
806:
807:
808: static int
809: pre_os(PRE_ARGS)
810: {
811:
812: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.21 schwarze 813: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 814: return(0);
815: if (mdoc->meta.os)
1.21 schwarze 816: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 817: return(0);
818: return(1);
819: }
820:
821:
822: static int
823: pre_dd(PRE_ARGS)
824: {
825:
826: if (mdoc->meta.title || mdoc->meta.os)
1.21 schwarze 827: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 828: return(0);
829: if (mdoc->meta.date)
1.21 schwarze 830: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 831: return(0);
832: return(1);
833: }
834:
835:
836: static int
837: post_bf(POST_ARGS)
838: {
839: char *p;
840: struct mdoc_node *head;
841:
842: if (MDOC_BLOCK != mdoc->last->type)
843: return(1);
844:
845: head = mdoc->last->head;
846:
1.10 schwarze 847: if (mdoc->last->args && head->child)
1.19 schwarze 848: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.10 schwarze 849: else if (mdoc->last->args)
850: return(1);
851:
852: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.19 schwarze 853: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 854:
1.10 schwarze 855: p = head->child->string;
1.1 kristaps 856:
1.10 schwarze 857: if (0 == strcmp(p, "Em"))
858: return(1);
859: else if (0 == strcmp(p, "Li"))
860: return(1);
1.30 schwarze 861: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 862: return(1);
1.1 kristaps 863:
1.19 schwarze 864: return(mdoc_nerr(mdoc, head, EFONT));
1.27 schwarze 865: }
866:
867:
868: static int
869: post_lb(POST_ARGS)
870: {
871:
872: if (mdoc_a2lib(mdoc->last->child->string))
873: return(1);
874: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
1.1 kristaps 875: }
876:
877:
878: static int
879: post_nm(POST_ARGS)
880: {
881:
882: if (mdoc->last->child)
883: return(1);
884: if (mdoc->meta.name)
885: return(1);
1.19 schwarze 886: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 887: }
888:
889:
890: static int
891: post_at(POST_ARGS)
892: {
893:
894: if (NULL == mdoc->last->child)
895: return(1);
896: if (MDOC_TEXT != mdoc->last->child->type)
1.19 schwarze 897: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 898: if (mdoc_a2att(mdoc->last->child->string))
899: return(1);
1.19 schwarze 900: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 901: }
902:
903:
904: static int
905: post_an(POST_ARGS)
906: {
907:
908: if (mdoc->last->args) {
909: if (NULL == mdoc->last->child)
910: return(1);
1.34 ! schwarze 911: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 912: }
913:
914: if (mdoc->last->child)
915: return(1);
1.19 schwarze 916: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 917: }
918:
919:
920: static int
921: post_args(POST_ARGS)
922: {
923:
924: if (mdoc->last->args)
925: return(1);
1.19 schwarze 926: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 927: }
928:
929:
930: static int
931: post_it(POST_ARGS)
932: {
933: int type, i, cols;
934: struct mdoc_node *n, *c;
935:
936: if (MDOC_BLOCK != mdoc->last->type)
937: return(1);
938:
939: n = mdoc->last->parent->parent;
940: if (NULL == n->args)
1.19 schwarze 941: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 942:
943: /* Some types require block-head, some not. */
944:
945: /* LINTED */
946: for (cols = type = -1, i = 0; -1 == type &&
947: i < (int)n->args->argc; i++)
948: switch (n->args->argv[i].arg) {
949: case (MDOC_Tag):
950: /* FALLTHROUGH */
951: case (MDOC_Diag):
952: /* FALLTHROUGH */
953: case (MDOC_Hang):
954: /* FALLTHROUGH */
955: case (MDOC_Ohang):
956: /* FALLTHROUGH */
957: case (MDOC_Inset):
958: /* FALLTHROUGH */
959: case (MDOC_Bullet):
960: /* FALLTHROUGH */
961: case (MDOC_Dash):
962: /* FALLTHROUGH */
963: case (MDOC_Enum):
964: /* FALLTHROUGH */
965: case (MDOC_Hyphen):
966: /* FALLTHROUGH */
967: case (MDOC_Item):
968: type = n->args->argv[i].arg;
969: break;
970: case (MDOC_Column):
971: type = n->args->argv[i].arg;
972: cols = (int)n->args->argv[i].sz;
973: break;
974: default:
975: break;
976: }
977:
978: if (-1 == type)
1.19 schwarze 979: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 980:
981: switch (type) {
982: case (MDOC_Tag):
983: if (NULL == mdoc->last->head->child)
1.21 schwarze 984: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 985: return(0);
986: break;
987: case (MDOC_Hang):
988: /* FALLTHROUGH */
989: case (MDOC_Ohang):
990: /* FALLTHROUGH */
991: case (MDOC_Inset):
992: /* FALLTHROUGH */
993: case (MDOC_Diag):
994: if (NULL == mdoc->last->head->child)
1.21 schwarze 995: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 996: return(0);
997: if (NULL == mdoc->last->body->child)
1.21 schwarze 998: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 999: return(0);
1000: break;
1001: case (MDOC_Bullet):
1002: /* FALLTHROUGH */
1003: case (MDOC_Dash):
1004: /* FALLTHROUGH */
1005: case (MDOC_Enum):
1006: /* FALLTHROUGH */
1007: case (MDOC_Hyphen):
1008: /* FALLTHROUGH */
1009: case (MDOC_Item):
1010: if (mdoc->last->head->child)
1.21 schwarze 1011: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 1012: return(0);
1013: if (NULL == mdoc->last->body->child)
1.21 schwarze 1014: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1015: return(0);
1016: break;
1017: case (MDOC_Column):
1018: if (NULL == mdoc->last->head->child)
1.21 schwarze 1019: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1020: return(0);
1021: if (mdoc->last->body->child)
1.21 schwarze 1022: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1023: return(0);
1024: c = mdoc->last->child;
1025: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1026: i++;
1.32 schwarze 1027:
1.33 schwarze 1028: if (i < cols || i == (cols + 1)) {
1.32 schwarze 1029: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
1030: mdoc->last->pos, "column "
1031: "mismatch: have %d, want %d",
1032: i, cols))
1033: return(0);
1.1 kristaps 1034: break;
1.32 schwarze 1035: } else if (i == cols)
1036: break;
1037:
1038: return(mdoc_verr(mdoc, mdoc->last->line,
1039: mdoc->last->pos, "column mismatch: "
1040: "have %d, want %d", i, cols));
1.1 kristaps 1041: default:
1042: break;
1043: }
1044:
1045: return(1);
1046: }
1047:
1048:
1049: static int
1.11 schwarze 1050: post_bl_head(POST_ARGS)
1051: {
1052: int i;
1053: const struct mdoc_node *n;
1054:
1055: n = mdoc->last->parent;
1056: assert(n->args);
1057:
1058: for (i = 0; i < (int)n->args->argc; i++)
1059: if (n->args->argv[i].arg == MDOC_Column)
1060: break;
1061:
1062: if (i == (int)n->args->argc)
1063: return(1);
1064:
1065: if (n->args->argv[i].sz && mdoc->last->child)
1.19 schwarze 1066: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.11 schwarze 1067:
1068: return(1);
1069: }
1070:
1071:
1072: static int
1.1 kristaps 1073: post_bl(POST_ARGS)
1074: {
1075: struct mdoc_node *n;
1076:
1.11 schwarze 1077: if (MDOC_HEAD == mdoc->last->type)
1078: return(post_bl_head(mdoc));
1.1 kristaps 1079: if (MDOC_BODY != mdoc->last->type)
1080: return(1);
1081: if (NULL == mdoc->last->child)
1082: return(1);
1083:
1084: /* LINTED */
1085: for (n = mdoc->last->child; n; n = n->next) {
1086: if (MDOC_BLOCK == n->type)
1087: if (MDOC_It == n->tok)
1088: continue;
1.17 schwarze 1089: return(mdoc_verr(mdoc, n->line, n->pos,
1090: "bad child of parent %s",
1.1 kristaps 1091: mdoc_macronames[mdoc->last->tok]));
1092: }
1093:
1094: return(1);
1095: }
1096:
1097:
1098: static int
1099: ebool(struct mdoc *mdoc)
1100: {
1101: struct mdoc_node *n;
1102:
1103: /* LINTED */
1104: for (n = mdoc->last->child; n; n = n->next) {
1105: if (MDOC_TEXT != n->type)
1106: break;
1107: if (0 == strcmp(n->string, "on"))
1108: continue;
1109: if (0 == strcmp(n->string, "off"))
1110: continue;
1111: break;
1112: }
1113:
1114: if (NULL == n)
1115: return(1);
1.19 schwarze 1116: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1117: }
1118:
1119:
1120: static int
1121: post_root(POST_ARGS)
1122: {
1123:
1124: if (NULL == mdoc->first->child)
1.19 schwarze 1125: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.9 schwarze 1126: if ( ! (MDOC_PBODY & mdoc->flags))
1.19 schwarze 1127: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1128:
1129: if (MDOC_BLOCK != mdoc->first->child->type)
1.19 schwarze 1130: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1131: if (MDOC_Sh != mdoc->first->child->tok)
1.19 schwarze 1132: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1133:
1134: return(1);
1135: }
1.31 schwarze 1136:
1137:
1138: static int
1139: post_sp(POST_ARGS)
1140: {
1141: long lval;
1142: char *ep, *buf;
1143:
1144: if (NULL == mdoc->last->child)
1145: return(1);
1146: else if ( ! eerr_eq1(mdoc))
1147: return(0);
1148:
1149: assert(MDOC_TEXT == mdoc->last->child->type);
1150: buf = mdoc->last->child->string;
1151: assert(buf);
1152:
1153: /* From OpenBSD's strtol(3). */
1154: errno = 0;
1155: lval = strtol(buf, &ep, 10);
1156: if (buf[0] == '\0' || *ep != '\0')
1157: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1158:
1159: if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
1160: (lval > INT_MAX || lval < 0))
1161: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1162:
1163: return(1);
1164: }
1165:
1166:
1.1 kristaps 1167:
1168:
1169: static int
1170: post_st(POST_ARGS)
1171: {
1172:
1173: if (mdoc_a2st(mdoc->last->child->string))
1174: return(1);
1.29 schwarze 1175: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.1 kristaps 1176: }
1177:
1178:
1179: static int
1180: post_sh(POST_ARGS)
1181: {
1182:
1183: if (MDOC_HEAD == mdoc->last->type)
1184: return(post_sh_head(mdoc));
1185: if (MDOC_BODY == mdoc->last->type)
1186: return(post_sh_body(mdoc));
1187:
1188: return(1);
1189: }
1190:
1191:
1192: static int
1193: post_sh_body(POST_ARGS)
1194: {
1195: struct mdoc_node *n;
1196:
1.26 schwarze 1197: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1198: return(1);
1199:
1200: /*
1201: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1202: * macros (can have multiple `Nm' and one `Nd'). Note that the
1203: * children of the BODY declaration can also be "text".
1204: */
1205:
1206: if (NULL == (n = mdoc->last->child))
1.21 schwarze 1207: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1208:
1209: for ( ; n && n->next; n = n->next) {
1210: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1211: continue;
1212: if (MDOC_TEXT == n->type)
1213: continue;
1.21 schwarze 1214: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1215: return(0);
1216: }
1217:
1.34 ! schwarze 1218: assert(n);
1.25 schwarze 1219: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1220: return(1);
1.21 schwarze 1221: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1222: }
1223:
1224:
1225: static int
1226: post_sh_head(POST_ARGS)
1227: {
1228: char buf[64];
1229: enum mdoc_sec sec;
1230: const struct mdoc_node *n;
1231:
1232: /*
1233: * Process a new section. Sections are either "named" or
1234: * "custom"; custom sections are user-defined, while named ones
1235: * usually follow a conventional order and may only appear in
1236: * certain manual sections.
1237: */
1238:
1.9 schwarze 1239: buf[0] = 0;
1.1 kristaps 1240:
1241: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1242: /* XXX - copied from compact(). */
1.1 kristaps 1243: assert(MDOC_TEXT == n->type);
1.9 schwarze 1244:
1.1 kristaps 1245: if (strlcat(buf, n->string, 64) >= 64)
1.19 schwarze 1246: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1247: if (NULL == n->next)
1248: continue;
1249: if (strlcat(buf, " ", 64) >= 64)
1.19 schwarze 1250: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1251: }
1252:
1253: sec = mdoc_atosec(buf);
1254:
1.9 schwarze 1255: /*
1256: * Check: NAME should always be first, CUSTOM has no roles,
1257: * non-CUSTOM has a conventional order to be followed.
1258: */
1.1 kristaps 1259:
1.9 schwarze 1260: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.19 schwarze 1261: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1262: if (SEC_CUSTOM == sec)
1263: return(1);
1264: if (sec == mdoc->lastnamed)
1.23 schwarze 1265: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1266: return(0);
1.1 kristaps 1267: if (sec < mdoc->lastnamed)
1.23 schwarze 1268: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1269: return(0);
1.1 kristaps 1270:
1.9 schwarze 1271: /*
1272: * Check particular section/manual conventions. LIBRARY can
1273: * only occur in msec 2, 3 (TODO: are there more of these?).
1274: */
1.1 kristaps 1275:
1276: switch (sec) {
1277: case (SEC_LIBRARY):
1278: switch (mdoc->meta.msec) {
1279: case (2):
1280: /* FALLTHROUGH */
1281: case (3):
1282: break;
1283: default:
1.21 schwarze 1284: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1285: }
1286: break;
1287: default:
1288: break;
1289: }
1290:
1291: return(1);
1292: }
1293:
1294:
1295: static int
1296: pre_fd(PRE_ARGS)
1297: {
1298:
1299: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1300: }