Annotation of mandoc/mdoc_validate.c, Revision 1.41
1.41 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.40 2009/07/24 12:09:37 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_args(POST_ARGS);
85: static int post_at(POST_ARGS);
86: static int post_bf(POST_ARGS);
87: static int post_bl(POST_ARGS);
88: static int post_bl_head(POST_ARGS);
89: static int post_it(POST_ARGS);
90: static int post_lb(POST_ARGS);
91: static int post_nm(POST_ARGS);
92: static int post_root(POST_ARGS);
93: static int post_sh(POST_ARGS);
94: static int post_sh_body(POST_ARGS);
95: static int post_sh_head(POST_ARGS);
1.35 kristaps 96: static int post_sp(POST_ARGS);
1.32 kristaps 97: static int post_st(POST_ARGS);
98: static int pre_an(PRE_ARGS);
99: static int pre_bd(PRE_ARGS);
100: static int pre_bl(PRE_ARGS);
101: static int pre_cd(PRE_ARGS);
102: static int pre_dd(PRE_ARGS);
103: static int pre_display(PRE_ARGS);
104: static int pre_dt(PRE_ARGS);
105: static int pre_er(PRE_ARGS);
106: static int pre_ex(PRE_ARGS);
107: static int pre_fd(PRE_ARGS);
108: static int pre_it(PRE_ARGS);
109: static int pre_lb(PRE_ARGS);
110: static int pre_os(PRE_ARGS);
111: static int pre_rv(PRE_ARGS);
112: static int pre_sh(PRE_ARGS);
113: static int pre_ss(PRE_ARGS);
114:
115: static v_post posts_an[] = { post_an, NULL };
116: static v_post posts_at[] = { post_at, NULL };
117: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
118: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
119: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
120: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
121: static v_post posts_ex[] = { eerr_eq0, post_args, NULL };
122: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
123: static v_post posts_in[] = { eerr_eq1, NULL };
124: static v_post posts_it[] = { post_it, NULL };
125: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
126: static v_post posts_nd[] = { berr_ge1, NULL };
127: static v_post posts_nm[] = { post_nm, NULL };
128: static v_post posts_notext[] = { eerr_eq0, NULL };
129: static v_post posts_pf[] = { eerr_eq1, NULL };
130: static v_post posts_rv[] = { eerr_eq0, post_args, NULL };
131: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.35 kristaps 132: static v_post posts_sp[] = { post_sp, NULL };
1.32 kristaps 133: static v_post posts_ss[] = { herr_ge1, NULL };
134: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
135: static v_post posts_text[] = { eerr_ge1, NULL };
136: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
137: static v_post posts_wtext[] = { ewarn_ge1, NULL };
138: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
139: static v_pre pres_an[] = { pre_an, NULL };
140: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
141: static v_pre pres_bl[] = { pre_bl, NULL };
142: static v_pre pres_cd[] = { pre_cd, NULL };
143: static v_pre pres_d1[] = { pre_display, NULL };
144: static v_pre pres_dd[] = { pre_dd, NULL };
145: static v_pre pres_dt[] = { pre_dt, NULL };
146: static v_pre pres_er[] = { pre_er, NULL };
147: static v_pre pres_ex[] = { pre_ex, NULL };
148: static v_pre pres_fd[] = { pre_fd, NULL };
149: static v_pre pres_it[] = { pre_it, NULL };
150: static v_pre pres_lb[] = { pre_lb, NULL };
151: static v_pre pres_os[] = { pre_os, NULL };
152: static v_pre pres_rv[] = { pre_rv, NULL };
153: static v_pre pres_sh[] = { pre_sh, NULL };
154: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 155:
156: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 157: { NULL, NULL }, /* Ap */
1.1 kristaps 158: { pres_dd, posts_text }, /* Dd */
159: { pres_dt, NULL }, /* Dt */
160: { pres_os, NULL }, /* Os */
161: { pres_sh, posts_sh }, /* Sh */
162: { pres_ss, posts_ss }, /* Ss */
1.34 kristaps 163: { NULL, posts_notext }, /* Pp */
1.1 kristaps 164: { pres_d1, posts_wline }, /* D1 */
165: { pres_d1, posts_wline }, /* Dl */
166: { pres_bd, posts_bd }, /* Bd */
167: { NULL, NULL }, /* Ed */
168: { pres_bl, posts_bl }, /* Bl */
169: { NULL, NULL }, /* El */
170: { pres_it, posts_it }, /* It */
171: { NULL, posts_text }, /* Ad */
172: { pres_an, posts_an }, /* An */
173: { NULL, NULL }, /* Ar */
174: { pres_cd, posts_text }, /* Cd */
175: { NULL, NULL }, /* Cm */
176: { NULL, NULL }, /* Dv */
177: { pres_er, posts_text }, /* Er */
178: { NULL, NULL }, /* Ev */
179: { pres_ex, posts_ex }, /* Ex */
180: { NULL, NULL }, /* Fa */
181: { pres_fd, posts_wtext }, /* Fd */
182: { NULL, NULL }, /* Fl */
183: { NULL, posts_text }, /* Fn */
184: { NULL, posts_wtext }, /* Ft */
185: { NULL, posts_text }, /* Ic */
186: { NULL, posts_in }, /* In */
187: { NULL, NULL }, /* Li */
1.27 kristaps 188: { NULL, posts_nd }, /* Nd */
1.1 kristaps 189: { NULL, posts_nm }, /* Nm */
190: { NULL, posts_wline }, /* Op */
191: { NULL, NULL }, /* Ot */
192: { NULL, NULL }, /* Pa */
193: { pres_rv, posts_rv }, /* Rv */
194: { NULL, posts_st }, /* St */
195: { NULL, NULL }, /* Va */
196: { NULL, posts_text }, /* Vt */
197: { NULL, posts_xr }, /* Xr */
198: { NULL, posts_text }, /* %A */
199: { NULL, posts_text }, /* %B */
200: { NULL, posts_text }, /* %D */
201: { NULL, posts_text }, /* %I */
202: { NULL, posts_text }, /* %J */
203: { NULL, posts_text }, /* %N */
204: { NULL, posts_text }, /* %O */
205: { NULL, posts_text }, /* %P */
206: { NULL, posts_text }, /* %R */
207: { NULL, posts_text }, /* %T */
208: { NULL, posts_text }, /* %V */
209: { NULL, NULL }, /* Ac */
210: { NULL, NULL }, /* Ao */
211: { NULL, posts_wline }, /* Aq */
212: { NULL, posts_at }, /* At */
213: { NULL, NULL }, /* Bc */
214: { NULL, posts_bf }, /* Bf */
215: { NULL, NULL }, /* Bo */
216: { NULL, posts_wline }, /* Bq */
217: { NULL, NULL }, /* Bsx */
218: { NULL, NULL }, /* Bx */
219: { NULL, posts_bool }, /* Db */
220: { NULL, NULL }, /* Dc */
221: { NULL, NULL }, /* Do */
222: { NULL, posts_wline }, /* Dq */
223: { NULL, NULL }, /* Ec */
224: { NULL, NULL }, /* Ef */
225: { NULL, NULL }, /* Em */
226: { NULL, NULL }, /* Eo */
227: { NULL, NULL }, /* Fx */
228: { NULL, posts_text }, /* Ms */
229: { NULL, posts_notext }, /* No */
230: { NULL, posts_notext }, /* Ns */
231: { NULL, NULL }, /* Nx */
232: { NULL, NULL }, /* Ox */
233: { NULL, NULL }, /* Pc */
234: { NULL, posts_pf }, /* Pf */
235: { NULL, NULL }, /* Po */
236: { NULL, posts_wline }, /* Pq */
237: { NULL, NULL }, /* Qc */
238: { NULL, posts_wline }, /* Ql */
239: { NULL, NULL }, /* Qo */
240: { NULL, posts_wline }, /* Qq */
241: { NULL, NULL }, /* Re */
242: { NULL, posts_wline }, /* Rs */
243: { NULL, NULL }, /* Sc */
244: { NULL, NULL }, /* So */
245: { NULL, posts_wline }, /* Sq */
246: { NULL, posts_bool }, /* Sm */
247: { NULL, posts_text }, /* Sx */
248: { NULL, posts_text }, /* Sy */
249: { NULL, posts_text }, /* Tn */
250: { NULL, NULL }, /* Ux */
251: { NULL, NULL }, /* Xc */
252: { NULL, NULL }, /* Xo */
253: { NULL, posts_fo }, /* Fo */
254: { NULL, NULL }, /* Fc */
255: { NULL, NULL }, /* Oo */
256: { NULL, NULL }, /* Oc */
257: { NULL, posts_wline }, /* Bk */
258: { NULL, NULL }, /* Ek */
259: { NULL, posts_notext }, /* Bt */
260: { NULL, NULL }, /* Hf */
261: { NULL, NULL }, /* Fr */
262: { NULL, posts_notext }, /* Ud */
263: { pres_lb, posts_lb }, /* Lb */
1.34 kristaps 264: { NULL, posts_notext }, /* Lp */
1.9 kristaps 265: { NULL, NULL }, /* Lk */
1.1 kristaps 266: { NULL, posts_text }, /* Mt */
267: { NULL, posts_wline }, /* Brq */
268: { NULL, NULL }, /* Bro */
269: { NULL, NULL }, /* Brc */
270: { NULL, posts_text }, /* %C */
271: { NULL, NULL }, /* Es */
272: { NULL, NULL }, /* En */
273: { NULL, NULL }, /* Dx */
274: { NULL, posts_text }, /* %Q */
1.33 kristaps 275: { NULL, posts_notext }, /* br */
1.35 kristaps 276: { NULL, posts_sp }, /* sp */
1.1 kristaps 277: };
278:
279:
280: int
1.32 kristaps 281: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 282: {
283: v_pre *p;
284: int line, pos;
285: const char *tp;
286:
287: if (MDOC_TEXT == n->type) {
288: tp = n->string;
289: line = n->line;
290: pos = n->pos;
291: return(check_text(mdoc, line, pos, tp));
292: }
293:
294: if ( ! check_args(mdoc, n))
295: return(0);
296: if (NULL == mdoc_valids[n->tok].pre)
297: return(1);
298: for (p = mdoc_valids[n->tok].pre; *p; p++)
299: if ( ! (*p)(mdoc, n))
300: return(0);
301: return(1);
302: }
303:
304:
305: int
306: mdoc_valid_post(struct mdoc *mdoc)
307: {
308: v_post *p;
309:
310: if (MDOC_VALID & mdoc->last->flags)
311: return(1);
312: mdoc->last->flags |= MDOC_VALID;
313:
314: if (MDOC_TEXT == mdoc->last->type)
315: return(1);
316: if (MDOC_ROOT == mdoc->last->type)
317: return(post_root(mdoc));
318:
319: if (NULL == mdoc_valids[mdoc->last->tok].post)
320: return(1);
321: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
322: if ( ! (*p)(mdoc))
323: return(0);
324:
325: return(1);
326: }
327:
328:
329: static int
1.4 kristaps 330: warn_print(struct mdoc *m, int ln, int pos)
331: {
1.21 kristaps 332:
1.23 kristaps 333: if (MDOC_IGN_CHARS & m->pflags)
334: return(mdoc_pwarn(m, ln, pos, EPRINT));
335: return(mdoc_perr(m, ln, pos, EPRINT));
1.4 kristaps 336: }
337:
1.1 kristaps 338:
339: static inline int
340: warn_count(struct mdoc *m, const char *k,
341: int want, const char *v, int has)
342: {
343:
1.23 kristaps 344: return(mdoc_vwarn(m, m->last->line, m->last->pos,
345: "suggests %s %s %d (has %d)", v, k, want, has));
1.1 kristaps 346: }
347:
348:
349: static inline int
350: err_count(struct mdoc *m, const char *k,
351: int want, const char *v, int has)
352: {
353:
1.23 kristaps 354: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 355: "requires %s %s %d (has %d)", v, k, want, has));
356: }
357:
358:
359: /*
360: * Build these up with macros because they're basically the same check
361: * for different inequalities. Yes, this could be done with functions,
362: * but this is reasonable for now.
363: */
364:
365: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
366: static int \
367: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
368: { \
1.16 kristaps 369: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 370: return(1); \
1.16 kristaps 371: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 372: }
373:
374: #define CHECK_BODY_DEFN(name, lvl, func, num) \
375: static int \
376: b##lvl##_##name(POST_ARGS) \
377: { \
378: if (MDOC_BODY != mdoc->last->type) \
379: return(1); \
380: return(func(mdoc, "multi-line arguments", (num))); \
381: }
382:
383: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
384: static int \
385: e##lvl##_##name(POST_ARGS) \
386: { \
387: assert(MDOC_ELEM == mdoc->last->type); \
388: return(func(mdoc, "line arguments", (num))); \
389: }
390:
391: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
392: static int \
393: h##lvl##_##name(POST_ARGS) \
394: { \
395: if (MDOC_HEAD != mdoc->last->type) \
396: return(1); \
397: return(func(mdoc, "line arguments", (num))); \
398: }
399:
400:
401: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
402: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
403: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
404: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
405: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
406: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
407: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 408: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 409: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
410: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
411: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
412: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
413: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
414: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
415: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
416: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
417: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
418:
419:
420: static int
421: check_stdarg(PRE_ARGS)
422: {
423:
424: if (n->args && 1 == n->args->argc)
425: if (MDOC_Std == n->args->argv[0].arg)
426: return(1);
1.23 kristaps 427: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 428: }
429:
430:
431: static int
432: check_sec(PRE_ARGS, ...)
433: {
434: enum mdoc_sec sec;
435: va_list ap;
436:
437: va_start(ap, n);
438:
439: for (;;) {
440: /* LINTED */
441: sec = (enum mdoc_sec)va_arg(ap, int);
442: if (SEC_CUSTOM == sec)
443: break;
444: if (sec != mdoc->lastsec)
445: continue;
446: va_end(ap);
447: return(1);
448: }
449:
450: va_end(ap);
1.23 kristaps 451: return(mdoc_nwarn(mdoc, n, EBADSEC));
1.1 kristaps 452: }
453:
454:
455: static int
456: check_msec(PRE_ARGS, ...)
457: {
458: va_list ap;
459: int msec;
460:
461: va_start(ap, n);
462: for (;;) {
463: /* LINTED */
464: if (0 == (msec = va_arg(ap, int)))
465: break;
466: if (msec != mdoc->meta.msec)
467: continue;
468: va_end(ap);
469: return(1);
470: }
471:
472: va_end(ap);
1.23 kristaps 473: return(mdoc_nwarn(mdoc, n, EBADMSEC));
1.1 kristaps 474: }
475:
476:
477: static int
478: check_args(struct mdoc *m, const struct mdoc_node *n)
479: {
480: int i;
481:
482: if (NULL == n->args)
483: return(1);
484:
485: assert(n->args->argc);
486: for (i = 0; i < (int)n->args->argc; i++)
487: if ( ! check_argv(m, n, &n->args->argv[i]))
488: return(0);
489:
490: return(1);
491: }
492:
493:
494: static int
495: check_argv(struct mdoc *m, const struct mdoc_node *n,
496: const struct mdoc_argv *v)
497: {
498: int i;
499:
500: for (i = 0; i < (int)v->sz; i++)
501: if ( ! check_text(m, v->line, v->pos, v->value[i]))
502: return(0);
503:
504: if (MDOC_Std == v->arg) {
505: /* `Nm' name must be set. */
506: if (v->sz || m->meta.name)
507: return(1);
1.23 kristaps 508: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 509: }
510:
511: return(1);
512: }
513:
514:
515: static int
516: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
517: {
1.18 kristaps 518: int c;
1.1 kristaps 519:
1.18 kristaps 520: for ( ; *p; p++, pos++) {
1.1 kristaps 521: if ('\t' == *p) {
522: if ( ! (MDOC_LITERAL & mdoc->flags))
1.4 kristaps 523: if ( ! warn_print(mdoc, line, pos))
524: return(0);
1.1 kristaps 525: } else if ( ! isprint((u_char)*p))
1.4 kristaps 526: if ( ! warn_print(mdoc, line, pos))
527: return(0);
1.1 kristaps 528:
529: if ('\\' != *p)
530: continue;
531:
1.18 kristaps 532: c = mandoc_special(p);
1.1 kristaps 533: if (c) {
1.18 kristaps 534: p += c - 1;
535: pos += c - 1;
1.1 kristaps 536: continue;
537: }
538: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.23 kristaps 539: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.32 kristaps 540: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 541: return(0);
542: }
543:
544: return(1);
545: }
546:
547:
548:
549:
550: static int
551: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
552: {
553:
554: assert(n->parent);
555: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
556: (t == n->parent->type))
557: return(1);
558:
1.23 kristaps 559: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 560: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
561: }
562:
563:
564:
565: static int
566: pre_display(PRE_ARGS)
567: {
568: struct mdoc_node *node;
569:
570: /* Display elements (`Bd', `D1'...) cannot be nested. */
571:
572: if (MDOC_BLOCK != n->type)
573: return(1);
574:
575: /* LINTED */
576: for (node = mdoc->last->parent; node; node = node->parent)
577: if (MDOC_BLOCK == node->type)
578: if (MDOC_Bd == node->tok)
579: break;
580: if (NULL == node)
581: return(1);
582:
1.23 kristaps 583: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 584: }
585:
586:
587: static int
588: pre_bl(PRE_ARGS)
589: {
1.15 kristaps 590: int pos, type, width, offset;
1.1 kristaps 591:
592: if (MDOC_BLOCK != n->type)
593: return(1);
594: if (NULL == n->args)
1.23 kristaps 595: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 596:
597: /* Make sure that only one type of list is specified. */
598:
1.15 kristaps 599: type = offset = width = -1;
1.1 kristaps 600:
601: /* LINTED */
1.8 kristaps 602: for (pos = 0; pos < (int)n->args->argc; pos++)
603: switch (n->args->argv[pos].arg) {
1.1 kristaps 604: case (MDOC_Bullet):
605: /* FALLTHROUGH */
606: case (MDOC_Dash):
607: /* FALLTHROUGH */
608: case (MDOC_Enum):
609: /* FALLTHROUGH */
610: case (MDOC_Hyphen):
611: /* FALLTHROUGH */
612: case (MDOC_Item):
613: /* FALLTHROUGH */
614: case (MDOC_Tag):
615: /* FALLTHROUGH */
616: case (MDOC_Diag):
617: /* FALLTHROUGH */
618: case (MDOC_Hang):
619: /* FALLTHROUGH */
620: case (MDOC_Ohang):
621: /* FALLTHROUGH */
622: case (MDOC_Inset):
623: /* FALLTHROUGH */
624: case (MDOC_Column):
1.8 kristaps 625: if (-1 != type)
1.23 kristaps 626: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.8 kristaps 627: type = n->args->argv[pos].arg;
628: break;
1.1 kristaps 629: case (MDOC_Width):
1.8 kristaps 630: if (-1 != width)
1.23 kristaps 631: return(mdoc_nerr(mdoc, n, EARGREP));
1.8 kristaps 632: width = n->args->argv[pos].arg;
633: break;
1.1 kristaps 634: case (MDOC_Offset):
1.8 kristaps 635: if (-1 != offset)
1.23 kristaps 636: return(mdoc_nerr(mdoc, n, EARGREP));
1.8 kristaps 637: offset = n->args->argv[pos].arg;
638: break;
1.1 kristaps 639: default:
640: break;
641: }
642:
643: if (-1 == type)
1.23 kristaps 644: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 645:
1.8 kristaps 646: /*
647: * Validate the width field. Some list types don't need width
648: * types and should be warned about them. Others should have it
649: * and must also be warned.
650: */
651:
1.1 kristaps 652: switch (type) {
1.8 kristaps 653: case (MDOC_Tag):
1.23 kristaps 654: if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.8 kristaps 655: return(0);
656: break;
1.1 kristaps 657: case (MDOC_Column):
658: /* FALLTHROUGH */
659: case (MDOC_Diag):
660: /* FALLTHROUGH */
661: case (MDOC_Inset):
662: /* FALLTHROUGH */
663: case (MDOC_Item):
1.23 kristaps 664: if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.8 kristaps 665: return(0);
666: break;
667: default:
668: break;
669: }
670:
1.1 kristaps 671: return(1);
672: }
673:
674:
675: static int
676: pre_bd(PRE_ARGS)
677: {
678: int i, type, err;
679:
680: if (MDOC_BLOCK != n->type)
681: return(1);
682: if (NULL == n->args)
1.23 kristaps 683: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 684:
685: /* Make sure that only one type of display is specified. */
686:
687: /* LINTED */
688: for (i = 0, err = type = 0; ! err &&
689: i < (int)n->args->argc; i++)
690: switch (n->args->argv[i].arg) {
691: case (MDOC_Ragged):
692: /* FALLTHROUGH */
693: case (MDOC_Unfilled):
694: /* FALLTHROUGH */
695: case (MDOC_Filled):
696: /* FALLTHROUGH */
697: case (MDOC_Literal):
698: /* FALLTHROUGH */
699: case (MDOC_File):
700: if (0 == type++)
701: break;
1.23 kristaps 702: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 703: default:
704: break;
705: }
706:
707: if (type)
708: return(1);
1.23 kristaps 709: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 710: }
711:
712:
713: static int
714: pre_ss(PRE_ARGS)
715: {
716:
717: if (MDOC_BLOCK != n->type)
718: return(1);
719: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
720: }
721:
722:
723: static int
724: pre_sh(PRE_ARGS)
725: {
726:
727: if (MDOC_BLOCK != n->type)
728: return(1);
729: return(check_parent(mdoc, n, -1, MDOC_ROOT));
730: }
731:
732:
733: static int
734: pre_it(PRE_ARGS)
735: {
736:
737: if (MDOC_BLOCK != n->type)
738: return(1);
739: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
740: }
741:
742:
743: static int
744: pre_an(PRE_ARGS)
745: {
746:
747: if (NULL == n->args || 1 == n->args->argc)
748: return(1);
1.23 kristaps 749: return(mdoc_verr(mdoc, n->line, n->pos,
750: "only one argument allowed"));
1.1 kristaps 751: }
752:
753:
754: static int
755: pre_lb(PRE_ARGS)
756: {
757:
758: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
759: }
760:
761:
762: static int
763: pre_rv(PRE_ARGS)
764: {
765:
766: if ( ! check_msec(mdoc, n, 2, 3, 0))
767: return(0);
768: return(check_stdarg(mdoc, n));
769: }
770:
771:
772: static int
773: pre_ex(PRE_ARGS)
774: {
775:
776: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
777: return(0);
778: return(check_stdarg(mdoc, n));
779: }
780:
781:
782: static int
783: pre_er(PRE_ARGS)
784: {
785:
1.6 kristaps 786: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 787: }
788:
789:
790: static int
791: pre_cd(PRE_ARGS)
792: {
793:
794: return(check_msec(mdoc, n, 4, 0));
795: }
796:
797:
798: static int
799: pre_dt(PRE_ARGS)
800: {
801:
802: if (0 == mdoc->meta.date || mdoc->meta.os)
1.23 kristaps 803: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 804: return(0);
805: if (mdoc->meta.title)
1.23 kristaps 806: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 807: return(0);
808: return(1);
809: }
810:
811:
812: static int
813: pre_os(PRE_ARGS)
814: {
815:
816: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.23 kristaps 817: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 818: return(0);
819: if (mdoc->meta.os)
1.23 kristaps 820: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 821: return(0);
822: return(1);
823: }
824:
825:
826: static int
827: pre_dd(PRE_ARGS)
828: {
829:
830: if (mdoc->meta.title || mdoc->meta.os)
1.23 kristaps 831: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 832: return(0);
833: if (mdoc->meta.date)
1.23 kristaps 834: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 835: return(0);
836: return(1);
837: }
838:
839:
840: static int
841: post_bf(POST_ARGS)
842: {
843: char *p;
844: struct mdoc_node *head;
845:
846: if (MDOC_BLOCK != mdoc->last->type)
847: return(1);
848:
849: head = mdoc->last->head;
850:
1.12 kristaps 851: if (mdoc->last->args && head->child)
1.24 kristaps 852: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.13 kristaps 853: else if (mdoc->last->args)
854: return(1);
1.12 kristaps 855:
1.13 kristaps 856: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.24 kristaps 857: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 858:
1.13 kristaps 859: p = head->child->string;
1.1 kristaps 860:
1.13 kristaps 861: if (0 == strcmp(p, "Em"))
862: return(1);
863: else if (0 == strcmp(p, "Li"))
864: return(1);
1.37 kristaps 865: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 866: return(1);
1.1 kristaps 867:
1.23 kristaps 868: return(mdoc_nerr(mdoc, head, EFONT));
1.1 kristaps 869: }
870:
871:
872: static int
1.31 kristaps 873: post_lb(POST_ARGS)
874: {
875:
876: if (mdoc_a2lib(mdoc->last->child->string))
877: return(1);
878: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
879: }
880:
881:
882: static int
1.1 kristaps 883: post_nm(POST_ARGS)
884: {
885:
886: if (mdoc->last->child)
887: return(1);
888: if (mdoc->meta.name)
889: return(1);
1.23 kristaps 890: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 891: }
892:
893:
894: static int
895: post_at(POST_ARGS)
896: {
897:
898: if (NULL == mdoc->last->child)
899: return(1);
900: if (MDOC_TEXT != mdoc->last->child->type)
1.23 kristaps 901: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 902: if (mdoc_a2att(mdoc->last->child->string))
903: return(1);
1.23 kristaps 904: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 905: }
906:
907:
908: static int
909: post_an(POST_ARGS)
910: {
911:
912: if (mdoc->last->args) {
913: if (NULL == mdoc->last->child)
914: return(1);
1.40 kristaps 915: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 916: }
917:
918: if (mdoc->last->child)
919: return(1);
1.23 kristaps 920: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 921: }
922:
923:
924: static int
925: post_args(POST_ARGS)
926: {
927:
928: if (mdoc->last->args)
929: return(1);
1.23 kristaps 930: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 931: }
932:
933:
934: static int
935: post_it(POST_ARGS)
936: {
937: int type, i, cols;
938: struct mdoc_node *n, *c;
939:
940: if (MDOC_BLOCK != mdoc->last->type)
941: return(1);
942:
943: n = mdoc->last->parent->parent;
944: if (NULL == n->args)
1.23 kristaps 945: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 946:
947: /* Some types require block-head, some not. */
948:
949: /* LINTED */
950: for (cols = type = -1, i = 0; -1 == type &&
951: i < (int)n->args->argc; i++)
952: switch (n->args->argv[i].arg) {
953: case (MDOC_Tag):
954: /* FALLTHROUGH */
955: case (MDOC_Diag):
956: /* FALLTHROUGH */
957: case (MDOC_Hang):
958: /* FALLTHROUGH */
959: case (MDOC_Ohang):
960: /* FALLTHROUGH */
961: case (MDOC_Inset):
962: /* FALLTHROUGH */
963: case (MDOC_Bullet):
964: /* FALLTHROUGH */
965: case (MDOC_Dash):
966: /* FALLTHROUGH */
967: case (MDOC_Enum):
968: /* FALLTHROUGH */
969: case (MDOC_Hyphen):
970: /* FALLTHROUGH */
971: case (MDOC_Item):
972: type = n->args->argv[i].arg;
973: break;
974: case (MDOC_Column):
975: type = n->args->argv[i].arg;
976: cols = (int)n->args->argv[i].sz;
977: break;
978: default:
979: break;
980: }
981:
982: if (-1 == type)
1.23 kristaps 983: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 984:
985: switch (type) {
986: case (MDOC_Tag):
987: if (NULL == mdoc->last->head->child)
1.23 kristaps 988: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 989: return(0);
990: break;
991: case (MDOC_Hang):
992: /* FALLTHROUGH */
993: case (MDOC_Ohang):
994: /* FALLTHROUGH */
995: case (MDOC_Inset):
996: /* FALLTHROUGH */
997: case (MDOC_Diag):
998: if (NULL == mdoc->last->head->child)
1.23 kristaps 999: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1000: return(0);
1001: if (NULL == mdoc->last->body->child)
1.23 kristaps 1002: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1003: return(0);
1004: break;
1005: case (MDOC_Bullet):
1006: /* FALLTHROUGH */
1007: case (MDOC_Dash):
1008: /* FALLTHROUGH */
1009: case (MDOC_Enum):
1010: /* FALLTHROUGH */
1011: case (MDOC_Hyphen):
1012: /* FALLTHROUGH */
1013: case (MDOC_Item):
1014: if (mdoc->last->head->child)
1.23 kristaps 1015: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 1016: return(0);
1017: if (NULL == mdoc->last->body->child)
1.23 kristaps 1018: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1019: return(0);
1020: break;
1021: case (MDOC_Column):
1022: if (NULL == mdoc->last->head->child)
1.23 kristaps 1023: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1024: return(0);
1025: if (mdoc->last->body->child)
1.23 kristaps 1026: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1027: return(0);
1028: c = mdoc->last->child;
1029: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1030: i++;
1.38 kristaps 1031:
1.39 kristaps 1032: if (i < cols || i == (cols + 1)) {
1.38 kristaps 1033: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
1034: mdoc->last->pos, "column "
1035: "mismatch: have %d, want %d",
1036: i, cols))
1037: return(0);
1.1 kristaps 1038: break;
1.38 kristaps 1039: } else if (i == cols)
1040: break;
1041:
1042: return(mdoc_verr(mdoc, mdoc->last->line,
1043: mdoc->last->pos, "column mismatch: "
1044: "have %d, want %d", i, cols));
1.1 kristaps 1045: default:
1046: break;
1047: }
1048:
1049: return(1);
1050: }
1051:
1052:
1053: static int
1.14 kristaps 1054: post_bl_head(POST_ARGS)
1055: {
1056: int i;
1057: const struct mdoc_node *n;
1058:
1059: n = mdoc->last->parent;
1060: assert(n->args);
1061:
1062: for (i = 0; i < (int)n->args->argc; i++)
1063: if (n->args->argv[i].arg == MDOC_Column)
1064: break;
1065:
1066: if (i == (int)n->args->argc)
1067: return(1);
1068:
1069: if (n->args->argv[i].sz && mdoc->last->child)
1.23 kristaps 1070: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.14 kristaps 1071:
1072: return(1);
1073: }
1074:
1075:
1076: static int
1.1 kristaps 1077: post_bl(POST_ARGS)
1078: {
1079: struct mdoc_node *n;
1080:
1.14 kristaps 1081: if (MDOC_HEAD == mdoc->last->type)
1082: return(post_bl_head(mdoc));
1.1 kristaps 1083: if (MDOC_BODY != mdoc->last->type)
1084: return(1);
1085: if (NULL == mdoc->last->child)
1086: return(1);
1087:
1088: /* LINTED */
1089: for (n = mdoc->last->child; n; n = n->next) {
1090: if (MDOC_BLOCK == n->type)
1091: if (MDOC_It == n->tok)
1092: continue;
1.23 kristaps 1093: return(mdoc_verr(mdoc, n->line, n->pos,
1094: "bad child of parent %s",
1.1 kristaps 1095: mdoc_macronames[mdoc->last->tok]));
1096: }
1097:
1098: return(1);
1099: }
1100:
1101:
1102: static int
1103: ebool(struct mdoc *mdoc)
1104: {
1105: struct mdoc_node *n;
1106:
1107: /* LINTED */
1108: for (n = mdoc->last->child; n; n = n->next) {
1109: if (MDOC_TEXT != n->type)
1110: break;
1.2 kristaps 1111: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1112: continue;
1.2 kristaps 1113: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1114: continue;
1115: break;
1116: }
1117:
1118: if (NULL == n)
1119: return(1);
1.23 kristaps 1120: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1121: }
1122:
1123:
1124: static int
1125: post_root(POST_ARGS)
1126: {
1127:
1128: if (NULL == mdoc->first->child)
1.23 kristaps 1129: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.12 kristaps 1130: if ( ! (MDOC_PBODY & mdoc->flags))
1.23 kristaps 1131: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1132:
1133: if (MDOC_BLOCK != mdoc->first->child->type)
1.23 kristaps 1134: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1135: if (MDOC_Sh != mdoc->first->child->tok)
1.23 kristaps 1136: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1137:
1138: return(1);
1139: }
1140:
1141:
1142: static int
1.35 kristaps 1143: post_sp(POST_ARGS)
1144: {
1145: long lval;
1146: char *ep, *buf;
1147:
1148: if (NULL == mdoc->last->child)
1149: return(1);
1.36 kristaps 1150: else if ( ! eerr_eq1(mdoc))
1151: return(0);
1.35 kristaps 1152:
1153: assert(MDOC_TEXT == mdoc->last->child->type);
1154: buf = mdoc->last->child->string;
1155: assert(buf);
1156:
1157: /* From OpenBSD's strtol(3). */
1158: errno = 0;
1159: lval = strtol(buf, &ep, 10);
1160: if (buf[0] == '\0' || *ep != '\0')
1161: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1162:
1163: if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
1.36 kristaps 1164: (lval > INT_MAX || lval < 0))
1.35 kristaps 1165: return(mdoc_nerr(mdoc, mdoc->last->child, ENUMFMT));
1166:
1167: return(1);
1168: }
1169:
1170:
1171:
1172:
1173: static int
1.1 kristaps 1174: post_st(POST_ARGS)
1175: {
1176:
1177: if (mdoc_a2st(mdoc->last->child->string))
1178: return(1);
1.30 kristaps 1179: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.1 kristaps 1180: }
1181:
1182:
1183: static int
1184: post_sh(POST_ARGS)
1185: {
1186:
1187: if (MDOC_HEAD == mdoc->last->type)
1188: return(post_sh_head(mdoc));
1189: if (MDOC_BODY == mdoc->last->type)
1190: return(post_sh_body(mdoc));
1191:
1192: return(1);
1193: }
1194:
1195:
1196: static int
1197: post_sh_body(POST_ARGS)
1198: {
1199: struct mdoc_node *n;
1200:
1.29 kristaps 1201: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1202: return(1);
1203:
1204: /*
1205: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1206: * macros (can have multiple `Nm' and one `Nd'). Note that the
1207: * children of the BODY declaration can also be "text".
1208: */
1209:
1210: if (NULL == (n = mdoc->last->child))
1.23 kristaps 1211: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1212:
1213: for ( ; n && n->next; n = n->next) {
1214: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1215: continue;
1.28 kristaps 1216: if (MDOC_TEXT == n->type)
1217: continue;
1.23 kristaps 1218: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1219: return(0);
1220: }
1221:
1.41 ! kristaps 1222: assert(n);
1.27 kristaps 1223: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1224: return(1);
1.23 kristaps 1225: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1226: }
1227:
1228:
1229: static int
1230: post_sh_head(POST_ARGS)
1231: {
1.2 kristaps 1232: char buf[64];
1233: enum mdoc_sec sec;
1234: const struct mdoc_node *n;
1.1 kristaps 1235:
1236: /*
1237: * Process a new section. Sections are either "named" or
1238: * "custom"; custom sections are user-defined, while named ones
1239: * usually follow a conventional order and may only appear in
1240: * certain manual sections.
1241: */
1242:
1.12 kristaps 1243: buf[0] = 0;
1.1 kristaps 1244:
1.2 kristaps 1245: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1246: /* XXX - copied from compact(). */
1.2 kristaps 1247: assert(MDOC_TEXT == n->type);
1.12 kristaps 1248:
1.2 kristaps 1249: if (strlcat(buf, n->string, 64) >= 64)
1.23 kristaps 1250: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1251: if (NULL == n->next)
1252: continue;
1253: if (strlcat(buf, " ", 64) >= 64)
1.23 kristaps 1254: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1255: }
1.1 kristaps 1256:
1257: sec = mdoc_atosec(buf);
1258:
1.12 kristaps 1259: /*
1260: * Check: NAME should always be first, CUSTOM has no roles,
1261: * non-CUSTOM has a conventional order to be followed.
1262: */
1.1 kristaps 1263:
1.12 kristaps 1264: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.23 kristaps 1265: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1266: if (SEC_CUSTOM == sec)
1267: return(1);
1268: if (sec == mdoc->lastnamed)
1.26 kristaps 1269: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1270: return(0);
1.1 kristaps 1271: if (sec < mdoc->lastnamed)
1.26 kristaps 1272: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1273: return(0);
1.1 kristaps 1274:
1.12 kristaps 1275: /*
1276: * Check particular section/manual conventions. LIBRARY can
1277: * only occur in msec 2, 3 (TODO: are there more of these?).
1278: */
1.1 kristaps 1279:
1280: switch (sec) {
1281: case (SEC_LIBRARY):
1282: switch (mdoc->meta.msec) {
1283: case (2):
1284: /* FALLTHROUGH */
1285: case (3):
1286: break;
1287: default:
1.23 kristaps 1288: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1289: }
1290: break;
1291: default:
1292: break;
1293: }
1294:
1295: return(1);
1296: }
1297:
1298:
1299: static int
1300: pre_fd(PRE_ARGS)
1301: {
1302:
1303: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1304: }
CVSweb