Annotation of mandoc/mdoc_validate.c, Revision 1.42
1.42 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.41 2009/07/25 16:03:03 kristaps Exp $ */
1.1 kristaps 2: /*
1.7 kristaps 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
1.5 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.5 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
17: #include <sys/types.h>
18:
19: #include <assert.h>
20: #include <ctype.h>
1.35 kristaps 21: #include <errno.h>
22: #include <limits.h>
1.1 kristaps 23: #include <stdarg.h>
24: #include <stdlib.h>
1.2 kristaps 25: #include <string.h>
1.1 kristaps 26:
27: #include "libmdoc.h"
1.18 kristaps 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:
1.32 kristaps 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:
1.32 kristaps 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 *);
1.32 kristaps 52: static int check_args(struct mdoc *,
1.1 kristaps 53: const struct mdoc_node *);
1.32 kristaps 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);
1.32 kristaps 63: static int err_count(struct mdoc *, const char *,
1.1 kristaps 64: int, const char *, int);
1.32 kristaps 65:
66: #ifdef __linux__
67: extern size_t strlcat(char *, const char *, size_t);
68: #endif
69:
70: static int berr_ge1(POST_ARGS);
71: static int bwarn_ge1(POST_ARGS);
72: static int ebool(POST_ARGS);
73: static int eerr_eq0(POST_ARGS);
74: static int eerr_eq1(POST_ARGS);
75: static int eerr_ge1(POST_ARGS);
76: static int eerr_le2(POST_ARGS);
77: static int ewarn_ge1(POST_ARGS);
78: static int herr_eq0(POST_ARGS);
79: static int herr_ge1(POST_ARGS);
80: static int hwarn_eq1(POST_ARGS);
81: static int hwarn_le1(POST_ARGS);
82:
83: static int post_an(POST_ARGS);
84: static int post_at(POST_ARGS);
85: static int post_bf(POST_ARGS);
86: static int post_bl(POST_ARGS);
87: static int post_bl_head(POST_ARGS);
88: static int post_it(POST_ARGS);
89: static int post_lb(POST_ARGS);
90: static int post_nm(POST_ARGS);
91: static int post_root(POST_ARGS);
92: static int post_sh(POST_ARGS);
93: static int post_sh_body(POST_ARGS);
94: static int post_sh_head(POST_ARGS);
1.35 kristaps 95: static int post_sp(POST_ARGS);
1.32 kristaps 96: static int post_st(POST_ARGS);
97: static int pre_an(PRE_ARGS);
98: static int pre_bd(PRE_ARGS);
99: static int pre_bl(PRE_ARGS);
100: static int pre_cd(PRE_ARGS);
101: static int pre_dd(PRE_ARGS);
102: static int pre_display(PRE_ARGS);
103: static int pre_dt(PRE_ARGS);
104: static int pre_er(PRE_ARGS);
105: static int pre_ex(PRE_ARGS);
106: static int pre_fd(PRE_ARGS);
107: static int pre_it(PRE_ARGS);
108: static int pre_lb(PRE_ARGS);
109: static int pre_os(PRE_ARGS);
110: static int pre_rv(PRE_ARGS);
111: static int pre_sh(PRE_ARGS);
112: static int pre_ss(PRE_ARGS);
113:
114: static v_post posts_an[] = { post_an, NULL };
115: static v_post posts_at[] = { post_at, NULL };
116: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
117: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
118: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
119: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
120: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
121: static v_post posts_in[] = { eerr_eq1, NULL };
122: static v_post posts_it[] = { post_it, NULL };
123: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
124: static v_post posts_nd[] = { berr_ge1, NULL };
125: static v_post posts_nm[] = { post_nm, NULL };
126: static v_post posts_notext[] = { eerr_eq0, NULL };
127: static v_post posts_pf[] = { eerr_eq1, NULL };
128: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.35 kristaps 129: static v_post posts_sp[] = { post_sp, NULL };
1.32 kristaps 130: static v_post posts_ss[] = { herr_ge1, NULL };
131: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
132: static v_post posts_text[] = { eerr_ge1, NULL };
133: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
134: static v_post posts_wtext[] = { ewarn_ge1, NULL };
135: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
136: static v_pre pres_an[] = { pre_an, NULL };
137: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
138: static v_pre pres_bl[] = { pre_bl, NULL };
139: static v_pre pres_cd[] = { pre_cd, NULL };
140: static v_pre pres_d1[] = { pre_display, NULL };
141: static v_pre pres_dd[] = { pre_dd, NULL };
142: static v_pre pres_dt[] = { pre_dt, NULL };
143: static v_pre pres_er[] = { pre_er, NULL };
144: static v_pre pres_ex[] = { pre_ex, NULL };
145: static v_pre pres_fd[] = { pre_fd, NULL };
146: static v_pre pres_it[] = { pre_it, NULL };
147: static v_pre pres_lb[] = { pre_lb, NULL };
148: static v_pre pres_os[] = { pre_os, NULL };
149: static v_pre pres_rv[] = { pre_rv, NULL };
150: static v_pre pres_sh[] = { pre_sh, NULL };
151: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 152:
153: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 154: { NULL, NULL }, /* Ap */
1.1 kristaps 155: { pres_dd, posts_text }, /* Dd */
156: { pres_dt, NULL }, /* Dt */
157: { pres_os, NULL }, /* Os */
158: { pres_sh, posts_sh }, /* Sh */
159: { pres_ss, posts_ss }, /* Ss */
1.34 kristaps 160: { NULL, posts_notext }, /* Pp */
1.1 kristaps 161: { pres_d1, posts_wline }, /* D1 */
162: { pres_d1, posts_wline }, /* Dl */
163: { pres_bd, posts_bd }, /* Bd */
164: { NULL, NULL }, /* Ed */
165: { pres_bl, posts_bl }, /* Bl */
166: { NULL, NULL }, /* El */
167: { pres_it, posts_it }, /* It */
168: { NULL, posts_text }, /* Ad */
169: { pres_an, posts_an }, /* An */
170: { NULL, NULL }, /* Ar */
171: { pres_cd, posts_text }, /* Cd */
172: { NULL, NULL }, /* Cm */
173: { NULL, NULL }, /* Dv */
174: { pres_er, posts_text }, /* Er */
175: { NULL, NULL }, /* Ev */
1.42 ! kristaps 176: { pres_ex, NULL }, /* Ex */
1.1 kristaps 177: { NULL, NULL }, /* Fa */
178: { pres_fd, posts_wtext }, /* Fd */
179: { NULL, NULL }, /* Fl */
180: { NULL, posts_text }, /* Fn */
181: { NULL, posts_wtext }, /* Ft */
182: { NULL, posts_text }, /* Ic */
183: { NULL, posts_in }, /* In */
184: { NULL, NULL }, /* Li */
1.27 kristaps 185: { NULL, posts_nd }, /* Nd */
1.1 kristaps 186: { NULL, posts_nm }, /* Nm */
187: { NULL, posts_wline }, /* Op */
188: { NULL, NULL }, /* Ot */
189: { NULL, NULL }, /* Pa */
1.42 ! kristaps 190: { pres_rv, NULL }, /* Rv */
1.1 kristaps 191: { NULL, posts_st }, /* St */
192: { NULL, NULL }, /* Va */
193: { NULL, posts_text }, /* Vt */
194: { NULL, posts_xr }, /* Xr */
195: { NULL, posts_text }, /* %A */
196: { NULL, posts_text }, /* %B */
197: { NULL, posts_text }, /* %D */
198: { NULL, posts_text }, /* %I */
199: { NULL, posts_text }, /* %J */
200: { NULL, posts_text }, /* %N */
201: { NULL, posts_text }, /* %O */
202: { NULL, posts_text }, /* %P */
203: { NULL, posts_text }, /* %R */
204: { NULL, posts_text }, /* %T */
205: { NULL, posts_text }, /* %V */
206: { NULL, NULL }, /* Ac */
207: { NULL, NULL }, /* Ao */
208: { NULL, posts_wline }, /* Aq */
209: { NULL, posts_at }, /* At */
210: { NULL, NULL }, /* Bc */
211: { NULL, posts_bf }, /* Bf */
212: { NULL, NULL }, /* Bo */
213: { NULL, posts_wline }, /* Bq */
214: { NULL, NULL }, /* Bsx */
215: { NULL, NULL }, /* Bx */
216: { NULL, posts_bool }, /* Db */
217: { NULL, NULL }, /* Dc */
218: { NULL, NULL }, /* Do */
219: { NULL, posts_wline }, /* Dq */
220: { NULL, NULL }, /* Ec */
221: { NULL, NULL }, /* Ef */
222: { NULL, NULL }, /* Em */
223: { NULL, NULL }, /* Eo */
224: { NULL, NULL }, /* Fx */
225: { NULL, posts_text }, /* Ms */
226: { NULL, posts_notext }, /* No */
227: { NULL, posts_notext }, /* Ns */
228: { NULL, NULL }, /* Nx */
229: { NULL, NULL }, /* Ox */
230: { NULL, NULL }, /* Pc */
231: { NULL, posts_pf }, /* Pf */
232: { NULL, NULL }, /* Po */
233: { NULL, posts_wline }, /* Pq */
234: { NULL, NULL }, /* Qc */
235: { NULL, posts_wline }, /* Ql */
236: { NULL, NULL }, /* Qo */
237: { NULL, posts_wline }, /* Qq */
238: { NULL, NULL }, /* Re */
239: { NULL, posts_wline }, /* Rs */
240: { NULL, NULL }, /* Sc */
241: { NULL, NULL }, /* So */
242: { NULL, posts_wline }, /* Sq */
243: { NULL, posts_bool }, /* Sm */
244: { NULL, posts_text }, /* Sx */
245: { NULL, posts_text }, /* Sy */
246: { NULL, posts_text }, /* Tn */
247: { NULL, NULL }, /* Ux */
248: { NULL, NULL }, /* Xc */
249: { NULL, NULL }, /* Xo */
250: { NULL, posts_fo }, /* Fo */
251: { NULL, NULL }, /* Fc */
252: { NULL, NULL }, /* Oo */
253: { NULL, NULL }, /* Oc */
254: { NULL, posts_wline }, /* Bk */
255: { NULL, NULL }, /* Ek */
256: { NULL, posts_notext }, /* Bt */
257: { NULL, NULL }, /* Hf */
258: { NULL, NULL }, /* Fr */
259: { NULL, posts_notext }, /* Ud */
260: { pres_lb, posts_lb }, /* Lb */
1.34 kristaps 261: { NULL, posts_notext }, /* Lp */
1.9 kristaps 262: { NULL, NULL }, /* Lk */
1.1 kristaps 263: { NULL, posts_text }, /* Mt */
264: { NULL, posts_wline }, /* Brq */
265: { NULL, NULL }, /* Bro */
266: { NULL, NULL }, /* Brc */
267: { NULL, posts_text }, /* %C */
268: { NULL, NULL }, /* Es */
269: { NULL, NULL }, /* En */
270: { NULL, NULL }, /* Dx */
271: { NULL, posts_text }, /* %Q */
1.33 kristaps 272: { NULL, posts_notext }, /* br */
1.35 kristaps 273: { NULL, posts_sp }, /* sp */
1.1 kristaps 274: };
275:
276:
277: int
1.32 kristaps 278: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 279: {
280: v_pre *p;
281: int line, pos;
282: const char *tp;
283:
284: if (MDOC_TEXT == n->type) {
285: tp = n->string;
286: line = n->line;
287: pos = n->pos;
288: return(check_text(mdoc, line, pos, tp));
289: }
290:
291: if ( ! check_args(mdoc, n))
292: return(0);
293: if (NULL == mdoc_valids[n->tok].pre)
294: return(1);
295: for (p = mdoc_valids[n->tok].pre; *p; p++)
296: if ( ! (*p)(mdoc, n))
297: return(0);
298: return(1);
299: }
300:
301:
302: int
303: mdoc_valid_post(struct mdoc *mdoc)
304: {
305: v_post *p;
306:
307: if (MDOC_VALID & mdoc->last->flags)
308: return(1);
309: mdoc->last->flags |= MDOC_VALID;
310:
311: if (MDOC_TEXT == mdoc->last->type)
312: return(1);
313: if (MDOC_ROOT == mdoc->last->type)
314: return(post_root(mdoc));
315:
316: if (NULL == mdoc_valids[mdoc->last->tok].post)
317: return(1);
318: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
319: if ( ! (*p)(mdoc))
320: return(0);
321:
322: return(1);
323: }
324:
325:
326: static int
1.4 kristaps 327: warn_print(struct mdoc *m, int ln, int pos)
328: {
1.21 kristaps 329:
1.23 kristaps 330: if (MDOC_IGN_CHARS & m->pflags)
331: return(mdoc_pwarn(m, ln, pos, EPRINT));
332: return(mdoc_perr(m, ln, pos, EPRINT));
1.4 kristaps 333: }
334:
1.1 kristaps 335:
336: static inline int
337: warn_count(struct mdoc *m, const char *k,
338: int want, const char *v, int has)
339: {
340:
1.23 kristaps 341: return(mdoc_vwarn(m, m->last->line, m->last->pos,
342: "suggests %s %s %d (has %d)", v, k, want, has));
1.1 kristaps 343: }
344:
345:
346: static inline int
347: err_count(struct mdoc *m, const char *k,
348: int want, const char *v, int has)
349: {
350:
1.23 kristaps 351: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 352: "requires %s %s %d (has %d)", v, k, want, has));
353: }
354:
355:
356: /*
357: * Build these up with macros because they're basically the same check
358: * for different inequalities. Yes, this could be done with functions,
359: * but this is reasonable for now.
360: */
361:
362: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
363: static int \
364: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
365: { \
1.16 kristaps 366: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 367: return(1); \
1.16 kristaps 368: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 369: }
370:
371: #define CHECK_BODY_DEFN(name, lvl, func, num) \
372: static int \
373: b##lvl##_##name(POST_ARGS) \
374: { \
375: if (MDOC_BODY != mdoc->last->type) \
376: return(1); \
377: return(func(mdoc, "multi-line arguments", (num))); \
378: }
379:
380: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
381: static int \
382: e##lvl##_##name(POST_ARGS) \
383: { \
384: assert(MDOC_ELEM == mdoc->last->type); \
385: return(func(mdoc, "line arguments", (num))); \
386: }
387:
388: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
389: static int \
390: h##lvl##_##name(POST_ARGS) \
391: { \
392: if (MDOC_HEAD != mdoc->last->type) \
393: return(1); \
394: return(func(mdoc, "line arguments", (num))); \
395: }
396:
397:
398: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
399: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
400: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
401: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
402: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
403: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
404: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 405: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 406: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
407: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
408: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
409: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
410: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
411: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
412: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
413: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
414: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
415:
416:
417: static int
418: check_stdarg(PRE_ARGS)
419: {
420:
421: if (n->args && 1 == n->args->argc)
422: if (MDOC_Std == n->args->argv[0].arg)
423: return(1);
1.23 kristaps 424: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 425: }
426:
427:
428: static int
429: check_sec(PRE_ARGS, ...)
430: {
431: enum mdoc_sec sec;
432: va_list ap;
433:
434: va_start(ap, n);
435:
436: for (;;) {
437: /* LINTED */
438: sec = (enum mdoc_sec)va_arg(ap, int);
439: if (SEC_CUSTOM == sec)
440: break;
441: if (sec != mdoc->lastsec)
442: continue;
443: va_end(ap);
444: return(1);
445: }
446:
447: va_end(ap);
1.23 kristaps 448: return(mdoc_nwarn(mdoc, n, EBADSEC));
1.1 kristaps 449: }
450:
451:
452: static int
453: check_msec(PRE_ARGS, ...)
454: {
455: va_list ap;
456: int msec;
457:
458: va_start(ap, n);
459: for (;;) {
460: /* LINTED */
461: if (0 == (msec = va_arg(ap, int)))
462: break;
463: if (msec != mdoc->meta.msec)
464: continue;
465: va_end(ap);
466: return(1);
467: }
468:
469: va_end(ap);
1.23 kristaps 470: return(mdoc_nwarn(mdoc, n, EBADMSEC));
1.1 kristaps 471: }
472:
473:
474: static int
475: check_args(struct mdoc *m, const struct mdoc_node *n)
476: {
477: int i;
478:
479: if (NULL == n->args)
480: return(1);
481:
482: assert(n->args->argc);
483: for (i = 0; i < (int)n->args->argc; i++)
484: if ( ! check_argv(m, n, &n->args->argv[i]))
485: return(0);
486:
487: return(1);
488: }
489:
490:
491: static int
492: check_argv(struct mdoc *m, const struct mdoc_node *n,
493: const struct mdoc_argv *v)
494: {
495: int i;
496:
497: for (i = 0; i < (int)v->sz; i++)
498: if ( ! check_text(m, v->line, v->pos, v->value[i]))
499: return(0);
500:
501: if (MDOC_Std == v->arg) {
502: /* `Nm' name must be set. */
503: if (v->sz || m->meta.name)
504: return(1);
1.23 kristaps 505: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 506: }
507:
508: return(1);
509: }
510:
511:
512: static int
513: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
514: {
1.18 kristaps 515: int c;
1.1 kristaps 516:
1.18 kristaps 517: for ( ; *p; p++, pos++) {
1.1 kristaps 518: if ('\t' == *p) {
519: if ( ! (MDOC_LITERAL & mdoc->flags))
1.4 kristaps 520: if ( ! warn_print(mdoc, line, pos))
521: return(0);
1.1 kristaps 522: } else if ( ! isprint((u_char)*p))
1.4 kristaps 523: if ( ! warn_print(mdoc, line, pos))
524: return(0);
1.1 kristaps 525:
526: if ('\\' != *p)
527: continue;
528:
1.18 kristaps 529: c = mandoc_special(p);
1.1 kristaps 530: if (c) {
1.18 kristaps 531: p += c - 1;
532: pos += c - 1;
1.1 kristaps 533: continue;
534: }
535: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.23 kristaps 536: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.32 kristaps 537: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 538: return(0);
539: }
540:
541: return(1);
542: }
543:
544:
545:
546:
547: static int
548: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
549: {
550:
551: assert(n->parent);
552: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
553: (t == n->parent->type))
554: return(1);
555:
1.23 kristaps 556: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 557: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
558: }
559:
560:
561:
562: static int
563: pre_display(PRE_ARGS)
564: {
565: struct mdoc_node *node;
566:
567: /* Display elements (`Bd', `D1'...) cannot be nested. */
568:
569: if (MDOC_BLOCK != n->type)
570: return(1);
571:
572: /* LINTED */
573: for (node = mdoc->last->parent; node; node = node->parent)
574: if (MDOC_BLOCK == node->type)
575: if (MDOC_Bd == node->tok)
576: break;
577: if (NULL == node)
578: return(1);
579:
1.23 kristaps 580: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 581: }
582:
583:
584: static int
585: pre_bl(PRE_ARGS)
586: {
1.15 kristaps 587: int pos, type, width, offset;
1.1 kristaps 588:
589: if (MDOC_BLOCK != n->type)
590: return(1);
591: if (NULL == n->args)
1.23 kristaps 592: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 593:
594: /* Make sure that only one type of list is specified. */
595:
1.15 kristaps 596: type = offset = width = -1;
1.1 kristaps 597:
598: /* LINTED */
1.8 kristaps 599: for (pos = 0; pos < (int)n->args->argc; pos++)
600: switch (n->args->argv[pos].arg) {
1.1 kristaps 601: case (MDOC_Bullet):
602: /* FALLTHROUGH */
603: case (MDOC_Dash):
604: /* FALLTHROUGH */
605: case (MDOC_Enum):
606: /* FALLTHROUGH */
607: case (MDOC_Hyphen):
608: /* FALLTHROUGH */
609: case (MDOC_Item):
610: /* FALLTHROUGH */
611: case (MDOC_Tag):
612: /* FALLTHROUGH */
613: case (MDOC_Diag):
614: /* FALLTHROUGH */
615: case (MDOC_Hang):
616: /* FALLTHROUGH */
617: case (MDOC_Ohang):
618: /* FALLTHROUGH */
619: case (MDOC_Inset):
620: /* FALLTHROUGH */
621: case (MDOC_Column):
1.8 kristaps 622: if (-1 != type)
1.23 kristaps 623: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.8 kristaps 624: type = n->args->argv[pos].arg;
625: break;
1.1 kristaps 626: case (MDOC_Width):
1.8 kristaps 627: if (-1 != width)
1.23 kristaps 628: return(mdoc_nerr(mdoc, n, EARGREP));
1.8 kristaps 629: width = n->args->argv[pos].arg;
630: break;
1.1 kristaps 631: case (MDOC_Offset):
1.8 kristaps 632: if (-1 != offset)
1.23 kristaps 633: return(mdoc_nerr(mdoc, n, EARGREP));
1.8 kristaps 634: offset = n->args->argv[pos].arg;
635: break;
1.1 kristaps 636: default:
637: break;
638: }
639:
640: if (-1 == type)
1.23 kristaps 641: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 642:
1.8 kristaps 643: /*
644: * Validate the width field. Some list types don't need width
645: * types and should be warned about them. Others should have it
646: * and must also be warned.
647: */
648:
1.1 kristaps 649: switch (type) {
1.8 kristaps 650: case (MDOC_Tag):
1.23 kristaps 651: if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.8 kristaps 652: return(0);
653: break;
1.1 kristaps 654: case (MDOC_Column):
655: /* FALLTHROUGH */
656: case (MDOC_Diag):
657: /* FALLTHROUGH */
658: case (MDOC_Inset):
659: /* FALLTHROUGH */
660: case (MDOC_Item):
1.23 kristaps 661: if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.8 kristaps 662: return(0);
663: break;
664: default:
665: break;
666: }
667:
1.1 kristaps 668: return(1);
669: }
670:
671:
672: static int
673: pre_bd(PRE_ARGS)
674: {
675: int i, type, err;
676:
677: if (MDOC_BLOCK != n->type)
678: return(1);
679: if (NULL == n->args)
1.23 kristaps 680: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 681:
682: /* Make sure that only one type of display is specified. */
683:
684: /* LINTED */
685: for (i = 0, err = type = 0; ! err &&
686: i < (int)n->args->argc; i++)
687: switch (n->args->argv[i].arg) {
688: case (MDOC_Ragged):
689: /* FALLTHROUGH */
690: case (MDOC_Unfilled):
691: /* FALLTHROUGH */
692: case (MDOC_Filled):
693: /* FALLTHROUGH */
694: case (MDOC_Literal):
695: /* FALLTHROUGH */
696: case (MDOC_File):
697: if (0 == type++)
698: break;
1.23 kristaps 699: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 700: default:
701: break;
702: }
703:
704: if (type)
705: return(1);
1.23 kristaps 706: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 707: }
708:
709:
710: static int
711: pre_ss(PRE_ARGS)
712: {
713:
714: if (MDOC_BLOCK != n->type)
715: return(1);
716: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
717: }
718:
719:
720: static int
721: pre_sh(PRE_ARGS)
722: {
723:
724: if (MDOC_BLOCK != n->type)
725: return(1);
726: return(check_parent(mdoc, n, -1, MDOC_ROOT));
727: }
728:
729:
730: static int
731: pre_it(PRE_ARGS)
732: {
733:
734: if (MDOC_BLOCK != n->type)
735: return(1);
736: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
737: }
738:
739:
740: static int
741: pre_an(PRE_ARGS)
742: {
743:
744: if (NULL == n->args || 1 == n->args->argc)
745: return(1);
1.23 kristaps 746: return(mdoc_verr(mdoc, n->line, n->pos,
747: "only one argument allowed"));
1.1 kristaps 748: }
749:
750:
751: static int
752: pre_lb(PRE_ARGS)
753: {
754:
755: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
756: }
757:
758:
759: static int
760: pre_rv(PRE_ARGS)
761: {
762:
763: if ( ! check_msec(mdoc, n, 2, 3, 0))
764: return(0);
765: return(check_stdarg(mdoc, n));
766: }
767:
768:
769: static int
770: pre_ex(PRE_ARGS)
771: {
772:
773: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
774: return(0);
775: return(check_stdarg(mdoc, n));
776: }
777:
778:
779: static int
780: pre_er(PRE_ARGS)
781: {
782:
1.6 kristaps 783: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 784: }
785:
786:
787: static int
788: pre_cd(PRE_ARGS)
789: {
790:
791: return(check_msec(mdoc, n, 4, 0));
792: }
793:
794:
795: static int
796: pre_dt(PRE_ARGS)
797: {
798:
799: if (0 == mdoc->meta.date || mdoc->meta.os)
1.23 kristaps 800: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 801: return(0);
802: if (mdoc->meta.title)
1.23 kristaps 803: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 804: return(0);
805: return(1);
806: }
807:
808:
809: static int
810: pre_os(PRE_ARGS)
811: {
812:
813: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.23 kristaps 814: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 815: return(0);
816: if (mdoc->meta.os)
1.23 kristaps 817: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 818: return(0);
819: return(1);
820: }
821:
822:
823: static int
824: pre_dd(PRE_ARGS)
825: {
826:
827: if (mdoc->meta.title || mdoc->meta.os)
1.23 kristaps 828: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 829: return(0);
830: if (mdoc->meta.date)
1.23 kristaps 831: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 832: return(0);
833: return(1);
834: }
835:
836:
837: static int
838: post_bf(POST_ARGS)
839: {
840: char *p;
841: struct mdoc_node *head;
842:
843: if (MDOC_BLOCK != mdoc->last->type)
844: return(1);
845:
846: head = mdoc->last->head;
847:
1.12 kristaps 848: if (mdoc->last->args && head->child)
1.24 kristaps 849: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.13 kristaps 850: else if (mdoc->last->args)
851: return(1);
1.12 kristaps 852:
1.13 kristaps 853: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.24 kristaps 854: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 855:
1.13 kristaps 856: p = head->child->string;
1.1 kristaps 857:
1.13 kristaps 858: if (0 == strcmp(p, "Em"))
859: return(1);
860: else if (0 == strcmp(p, "Li"))
861: return(1);
1.37 kristaps 862: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 863: return(1);
1.1 kristaps 864:
1.23 kristaps 865: return(mdoc_nerr(mdoc, head, EFONT));
1.1 kristaps 866: }
867:
868:
869: static int
1.31 kristaps 870: post_lb(POST_ARGS)
871: {
872:
873: if (mdoc_a2lib(mdoc->last->child->string))
874: return(1);
875: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
876: }
877:
878:
879: static int
1.1 kristaps 880: post_nm(POST_ARGS)
881: {
882:
883: if (mdoc->last->child)
884: return(1);
885: if (mdoc->meta.name)
886: return(1);
1.23 kristaps 887: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 888: }
889:
890:
891: static int
892: post_at(POST_ARGS)
893: {
894:
895: if (NULL == mdoc->last->child)
896: return(1);
897: if (MDOC_TEXT != mdoc->last->child->type)
1.23 kristaps 898: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 899: if (mdoc_a2att(mdoc->last->child->string))
900: return(1);
1.23 kristaps 901: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 902: }
903:
904:
905: static int
906: post_an(POST_ARGS)
907: {
908:
909: if (mdoc->last->args) {
910: if (NULL == mdoc->last->child)
911: return(1);
1.40 kristaps 912: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 913: }
914:
915: if (mdoc->last->child)
916: return(1);
1.23 kristaps 917: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 918: }
919:
920:
921: static int
922: post_it(POST_ARGS)
923: {
924: int type, i, cols;
925: struct mdoc_node *n, *c;
926:
927: if (MDOC_BLOCK != mdoc->last->type)
928: return(1);
929:
930: n = mdoc->last->parent->parent;
931: if (NULL == n->args)
1.23 kristaps 932: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 933:
934: /* Some types require block-head, some not. */
935:
936: /* LINTED */
937: for (cols = type = -1, i = 0; -1 == type &&
938: i < (int)n->args->argc; i++)
939: switch (n->args->argv[i].arg) {
940: case (MDOC_Tag):
941: /* FALLTHROUGH */
942: case (MDOC_Diag):
943: /* FALLTHROUGH */
944: case (MDOC_Hang):
945: /* FALLTHROUGH */
946: case (MDOC_Ohang):
947: /* FALLTHROUGH */
948: case (MDOC_Inset):
949: /* FALLTHROUGH */
950: case (MDOC_Bullet):
951: /* FALLTHROUGH */
952: case (MDOC_Dash):
953: /* FALLTHROUGH */
954: case (MDOC_Enum):
955: /* FALLTHROUGH */
956: case (MDOC_Hyphen):
957: /* FALLTHROUGH */
958: case (MDOC_Item):
959: type = n->args->argv[i].arg;
960: break;
961: case (MDOC_Column):
962: type = n->args->argv[i].arg;
963: cols = (int)n->args->argv[i].sz;
964: break;
965: default:
966: break;
967: }
968:
969: if (-1 == type)
1.23 kristaps 970: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 971:
972: switch (type) {
973: case (MDOC_Tag):
974: if (NULL == mdoc->last->head->child)
1.23 kristaps 975: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 976: return(0);
977: break;
978: case (MDOC_Hang):
979: /* FALLTHROUGH */
980: case (MDOC_Ohang):
981: /* FALLTHROUGH */
982: case (MDOC_Inset):
983: /* FALLTHROUGH */
984: case (MDOC_Diag):
985: if (NULL == mdoc->last->head->child)
1.23 kristaps 986: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 987: return(0);
988: if (NULL == mdoc->last->body->child)
1.23 kristaps 989: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 990: return(0);
991: break;
992: case (MDOC_Bullet):
993: /* FALLTHROUGH */
994: case (MDOC_Dash):
995: /* FALLTHROUGH */
996: case (MDOC_Enum):
997: /* FALLTHROUGH */
998: case (MDOC_Hyphen):
999: /* FALLTHROUGH */
1000: case (MDOC_Item):
1001: if (mdoc->last->head->child)
1.23 kristaps 1002: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 1003: return(0);
1004: if (NULL == mdoc->last->body->child)
1.23 kristaps 1005: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1006: return(0);
1007: break;
1008: case (MDOC_Column):
1009: if (NULL == mdoc->last->head->child)
1.23 kristaps 1010: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1011: return(0);
1012: if (mdoc->last->body->child)
1.23 kristaps 1013: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1014: return(0);
1015: c = mdoc->last->child;
1016: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1017: i++;
1.38 kristaps 1018:
1.39 kristaps 1019: if (i < cols || i == (cols + 1)) {
1.38 kristaps 1020: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
1021: mdoc->last->pos, "column "
1022: "mismatch: have %d, want %d",
1023: i, cols))
1024: return(0);
1.1 kristaps 1025: break;
1.38 kristaps 1026: } else if (i == cols)
1027: break;
1028:
1029: return(mdoc_verr(mdoc, mdoc->last->line,
1030: mdoc->last->pos, "column mismatch: "
1031: "have %d, want %d", i, cols));
1.1 kristaps 1032: default:
1033: break;
1034: }
1035:
1036: return(1);
1037: }
1038:
1039:
1040: static int
1.14 kristaps 1041: post_bl_head(POST_ARGS)
1042: {
1043: int i;
1044: const struct mdoc_node *n;
1045:
1046: n = mdoc->last->parent;
1047: assert(n->args);
1048:
1049: for (i = 0; i < (int)n->args->argc; i++)
1050: if (n->args->argv[i].arg == MDOC_Column)
1051: break;
1052:
1053: if (i == (int)n->args->argc)
1054: return(1);
1055:
1056: if (n->args->argv[i].sz && mdoc->last->child)
1.23 kristaps 1057: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.14 kristaps 1058:
1059: return(1);
1060: }
1061:
1062:
1063: static int
1.1 kristaps 1064: post_bl(POST_ARGS)
1065: {
1066: struct mdoc_node *n;
1067:
1.14 kristaps 1068: if (MDOC_HEAD == mdoc->last->type)
1069: return(post_bl_head(mdoc));
1.1 kristaps 1070: if (MDOC_BODY != mdoc->last->type)
1071: return(1);
1072: if (NULL == mdoc->last->child)
1073: return(1);
1074:
1075: /* LINTED */
1076: for (n = mdoc->last->child; n; n = n->next) {
1077: if (MDOC_BLOCK == n->type)
1078: if (MDOC_It == n->tok)
1079: continue;
1.23 kristaps 1080: return(mdoc_verr(mdoc, n->line, n->pos,
1081: "bad child of parent %s",
1.1 kristaps 1082: mdoc_macronames[mdoc->last->tok]));
1083: }
1084:
1085: return(1);
1086: }
1087:
1088:
1089: static int
1090: ebool(struct mdoc *mdoc)
1091: {
1092: struct mdoc_node *n;
1093:
1094: /* LINTED */
1095: for (n = mdoc->last->child; n; n = n->next) {
1096: if (MDOC_TEXT != n->type)
1097: break;
1.2 kristaps 1098: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1099: continue;
1.2 kristaps 1100: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1101: continue;
1102: break;
1103: }
1104:
1105: if (NULL == n)
1106: return(1);
1.23 kristaps 1107: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1108: }
1109:
1110:
1111: static int
1112: post_root(POST_ARGS)
1113: {
1114:
1115: if (NULL == mdoc->first->child)
1.23 kristaps 1116: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.12 kristaps 1117: if ( ! (MDOC_PBODY & mdoc->flags))
1.23 kristaps 1118: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1119:
1120: if (MDOC_BLOCK != mdoc->first->child->type)
1.23 kristaps 1121: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1122: if (MDOC_Sh != mdoc->first->child->tok)
1.23 kristaps 1123: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1124:
1125: return(1);
1126: }
1127:
1128:
1129: static int
1.35 kristaps 1130: post_sp(POST_ARGS)
1131: {
1132: long lval;
1133: char *ep, *buf;
1134:
1135: if (NULL == mdoc->last->child)
1136: return(1);
1.36 kristaps 1137: else if ( ! eerr_eq1(mdoc))
1138: return(0);
1.35 kristaps 1139:
1140: assert(MDOC_TEXT == mdoc->last->child->type);
1141: buf = mdoc->last->child->string;
1142: assert(buf);
1143:
1144: /* From OpenBSD's strtol(3). */
1145: errno = 0;
1146: lval = strtol(buf, &ep, 10);
1147: if (buf[0] == '\0' || *ep != '\0')
1148: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1149:
1150: if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
1.36 kristaps 1151: (lval > INT_MAX || lval < 0))
1.35 kristaps 1152: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1153:
1154: return(1);
1155: }
1156:
1157:
1158:
1159:
1160: static int
1.1 kristaps 1161: post_st(POST_ARGS)
1162: {
1163:
1164: if (mdoc_a2st(mdoc->last->child->string))
1165: return(1);
1.30 kristaps 1166: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.1 kristaps 1167: }
1168:
1169:
1170: static int
1171: post_sh(POST_ARGS)
1172: {
1173:
1174: if (MDOC_HEAD == mdoc->last->type)
1175: return(post_sh_head(mdoc));
1176: if (MDOC_BODY == mdoc->last->type)
1177: return(post_sh_body(mdoc));
1178:
1179: return(1);
1180: }
1181:
1182:
1183: static int
1184: post_sh_body(POST_ARGS)
1185: {
1186: struct mdoc_node *n;
1187:
1.29 kristaps 1188: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1189: return(1);
1190:
1191: /*
1192: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1193: * macros (can have multiple `Nm' and one `Nd'). Note that the
1194: * children of the BODY declaration can also be "text".
1195: */
1196:
1197: if (NULL == (n = mdoc->last->child))
1.23 kristaps 1198: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1199:
1200: for ( ; n && n->next; n = n->next) {
1201: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1202: continue;
1.28 kristaps 1203: if (MDOC_TEXT == n->type)
1204: continue;
1.23 kristaps 1205: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1206: return(0);
1207: }
1208:
1.41 kristaps 1209: assert(n);
1.27 kristaps 1210: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1211: return(1);
1.23 kristaps 1212: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1213: }
1214:
1215:
1216: static int
1217: post_sh_head(POST_ARGS)
1218: {
1.2 kristaps 1219: char buf[64];
1220: enum mdoc_sec sec;
1221: const struct mdoc_node *n;
1.1 kristaps 1222:
1223: /*
1224: * Process a new section. Sections are either "named" or
1225: * "custom"; custom sections are user-defined, while named ones
1226: * usually follow a conventional order and may only appear in
1227: * certain manual sections.
1228: */
1229:
1.12 kristaps 1230: buf[0] = 0;
1.1 kristaps 1231:
1.2 kristaps 1232: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1233: /* XXX - copied from compact(). */
1.2 kristaps 1234: assert(MDOC_TEXT == n->type);
1.12 kristaps 1235:
1.2 kristaps 1236: if (strlcat(buf, n->string, 64) >= 64)
1.23 kristaps 1237: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1238: if (NULL == n->next)
1239: continue;
1240: if (strlcat(buf, " ", 64) >= 64)
1.23 kristaps 1241: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1242: }
1.1 kristaps 1243:
1244: sec = mdoc_atosec(buf);
1245:
1.12 kristaps 1246: /*
1247: * Check: NAME should always be first, CUSTOM has no roles,
1248: * non-CUSTOM has a conventional order to be followed.
1249: */
1.1 kristaps 1250:
1.12 kristaps 1251: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.23 kristaps 1252: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1253: if (SEC_CUSTOM == sec)
1254: return(1);
1255: if (sec == mdoc->lastnamed)
1.26 kristaps 1256: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1257: return(0);
1.1 kristaps 1258: if (sec < mdoc->lastnamed)
1.26 kristaps 1259: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1260: return(0);
1.1 kristaps 1261:
1.12 kristaps 1262: /*
1263: * Check particular section/manual conventions. LIBRARY can
1264: * only occur in msec 2, 3 (TODO: are there more of these?).
1265: */
1.1 kristaps 1266:
1267: switch (sec) {
1268: case (SEC_LIBRARY):
1269: switch (mdoc->meta.msec) {
1270: case (2):
1271: /* FALLTHROUGH */
1272: case (3):
1273: break;
1274: default:
1.23 kristaps 1275: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1276: }
1277: break;
1278: default:
1279: break;
1280: }
1281:
1282: return(1);
1283: }
1284:
1285:
1286: static int
1287: pre_fd(PRE_ARGS)
1288: {
1289:
1290: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1291: }
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