Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.38
1.38 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.37 2009/10/21 19:13:51 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);
1.37 schwarze 73: static int eerr_le1(POST_ARGS);
1.28 schwarze 74: static int ewarn_ge1(POST_ARGS);
75: static int herr_eq0(POST_ARGS);
76: static int herr_ge1(POST_ARGS);
77: static int hwarn_eq1(POST_ARGS);
78: static int hwarn_le1(POST_ARGS);
79:
80: static int post_an(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);
1.36 schwarze 89: static int post_rs(POST_ARGS);
1.28 schwarze 90: static int post_sh(POST_ARGS);
91: static int post_sh_body(POST_ARGS);
92: static int post_sh_head(POST_ARGS);
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_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
118: static v_post posts_it[] = { post_it, NULL };
119: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
120: static v_post posts_nd[] = { berr_ge1, NULL };
121: static v_post posts_nm[] = { post_nm, NULL };
122: static v_post posts_notext[] = { eerr_eq0, NULL };
1.36 schwarze 123: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.28 schwarze 124: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.37 schwarze 125: static v_post posts_sp[] = { eerr_le1, NULL };
1.28 schwarze 126: static v_post posts_ss[] = { herr_ge1, NULL };
127: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
128: static v_post posts_text[] = { eerr_ge1, NULL };
1.38 ! schwarze 129: static v_post posts_text1[] = { eerr_eq1, NULL };
1.28 schwarze 130: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
131: static v_post posts_wtext[] = { ewarn_ge1, NULL };
132: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
133: static v_pre pres_an[] = { pre_an, NULL };
134: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
135: static v_pre pres_bl[] = { pre_bl, NULL };
136: static v_pre pres_cd[] = { pre_cd, NULL };
137: static v_pre pres_d1[] = { pre_display, NULL };
138: static v_pre pres_dd[] = { pre_dd, NULL };
139: static v_pre pres_dt[] = { pre_dt, NULL };
140: static v_pre pres_er[] = { pre_er, NULL };
141: static v_pre pres_ex[] = { pre_ex, NULL };
142: static v_pre pres_fd[] = { pre_fd, NULL };
143: static v_pre pres_it[] = { pre_it, NULL };
144: static v_pre pres_lb[] = { pre_lb, NULL };
145: static v_pre pres_os[] = { pre_os, NULL };
146: static v_pre pres_rv[] = { pre_rv, NULL };
147: static v_pre pres_sh[] = { pre_sh, NULL };
148: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 149:
150: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 151: { NULL, NULL }, /* Ap */
1.1 kristaps 152: { pres_dd, posts_text }, /* Dd */
153: { pres_dt, NULL }, /* Dt */
154: { pres_os, NULL }, /* Os */
155: { pres_sh, posts_sh }, /* Sh */
156: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 157: { NULL, posts_notext }, /* Pp */
1.1 kristaps 158: { pres_d1, posts_wline }, /* D1 */
159: { pres_d1, posts_wline }, /* Dl */
160: { pres_bd, posts_bd }, /* Bd */
161: { NULL, NULL }, /* Ed */
162: { pres_bl, posts_bl }, /* Bl */
163: { NULL, NULL }, /* El */
164: { pres_it, posts_it }, /* It */
165: { NULL, posts_text }, /* Ad */
166: { pres_an, posts_an }, /* An */
167: { NULL, NULL }, /* Ar */
168: { pres_cd, posts_text }, /* Cd */
169: { NULL, NULL }, /* Cm */
170: { NULL, NULL }, /* Dv */
171: { pres_er, posts_text }, /* Er */
172: { NULL, NULL }, /* Ev */
1.35 schwarze 173: { pres_ex, NULL }, /* Ex */
1.1 kristaps 174: { NULL, NULL }, /* Fa */
175: { pres_fd, posts_wtext }, /* Fd */
176: { NULL, NULL }, /* Fl */
177: { NULL, posts_text }, /* Fn */
178: { NULL, posts_wtext }, /* Ft */
179: { NULL, posts_text }, /* Ic */
1.38 ! schwarze 180: { NULL, posts_text1 }, /* In */
1.1 kristaps 181: { NULL, NULL }, /* Li */
1.25 schwarze 182: { NULL, posts_nd }, /* Nd */
1.1 kristaps 183: { NULL, posts_nm }, /* Nm */
184: { NULL, posts_wline }, /* Op */
185: { NULL, NULL }, /* Ot */
186: { NULL, NULL }, /* Pa */
1.35 schwarze 187: { pres_rv, NULL }, /* Rv */
1.1 kristaps 188: { NULL, posts_st }, /* St */
189: { NULL, NULL }, /* Va */
190: { NULL, posts_text }, /* Vt */
191: { NULL, posts_xr }, /* Xr */
192: { NULL, posts_text }, /* %A */
1.37 schwarze 193: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 194: { NULL, posts_text }, /* %D */
195: { NULL, posts_text }, /* %I */
196: { NULL, posts_text }, /* %J */
197: { NULL, posts_text }, /* %N */
198: { NULL, posts_text }, /* %O */
199: { NULL, posts_text }, /* %P */
200: { NULL, posts_text }, /* %R */
1.37 schwarze 201: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 202: { NULL, posts_text }, /* %V */
203: { NULL, NULL }, /* Ac */
204: { NULL, NULL }, /* Ao */
205: { NULL, posts_wline }, /* Aq */
206: { NULL, posts_at }, /* At */
207: { NULL, NULL }, /* Bc */
208: { NULL, posts_bf }, /* Bf */
209: { NULL, NULL }, /* Bo */
210: { NULL, posts_wline }, /* Bq */
211: { NULL, NULL }, /* Bsx */
212: { NULL, NULL }, /* Bx */
213: { NULL, posts_bool }, /* Db */
214: { NULL, NULL }, /* Dc */
215: { NULL, NULL }, /* Do */
216: { NULL, posts_wline }, /* Dq */
217: { NULL, NULL }, /* Ec */
218: { NULL, NULL }, /* Ef */
219: { NULL, NULL }, /* Em */
220: { NULL, NULL }, /* Eo */
221: { NULL, NULL }, /* Fx */
222: { NULL, posts_text }, /* Ms */
223: { NULL, posts_notext }, /* No */
224: { NULL, posts_notext }, /* Ns */
225: { NULL, NULL }, /* Nx */
226: { NULL, NULL }, /* Ox */
227: { NULL, NULL }, /* Pc */
1.38 ! schwarze 228: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 229: { NULL, NULL }, /* Po */
230: { NULL, posts_wline }, /* Pq */
231: { NULL, NULL }, /* Qc */
232: { NULL, posts_wline }, /* Ql */
233: { NULL, NULL }, /* Qo */
234: { NULL, posts_wline }, /* Qq */
235: { NULL, NULL }, /* Re */
1.36 schwarze 236: { NULL, posts_rs }, /* Rs */
1.1 kristaps 237: { NULL, NULL }, /* Sc */
238: { NULL, NULL }, /* So */
239: { NULL, posts_wline }, /* Sq */
240: { NULL, posts_bool }, /* Sm */
241: { NULL, posts_text }, /* Sx */
242: { NULL, posts_text }, /* Sy */
243: { NULL, posts_text }, /* Tn */
244: { NULL, NULL }, /* Ux */
245: { NULL, NULL }, /* Xc */
246: { NULL, NULL }, /* Xo */
247: { NULL, posts_fo }, /* Fo */
248: { NULL, NULL }, /* Fc */
249: { NULL, NULL }, /* Oo */
250: { NULL, NULL }, /* Oc */
251: { NULL, posts_wline }, /* Bk */
252: { NULL, NULL }, /* Ek */
253: { NULL, posts_notext }, /* Bt */
254: { NULL, NULL }, /* Hf */
255: { NULL, NULL }, /* Fr */
256: { NULL, posts_notext }, /* Ud */
257: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 258: { NULL, posts_notext }, /* Lp */
1.38 ! schwarze 259: { NULL, posts_text }, /* Lk */
1.1 kristaps 260: { NULL, posts_text }, /* Mt */
261: { NULL, posts_wline }, /* Brq */
262: { NULL, NULL }, /* Bro */
263: { NULL, NULL }, /* Brc */
264: { NULL, posts_text }, /* %C */
265: { NULL, NULL }, /* Es */
266: { NULL, NULL }, /* En */
267: { NULL, NULL }, /* Dx */
268: { NULL, posts_text }, /* %Q */
1.31 schwarze 269: { NULL, posts_notext }, /* br */
270: { NULL, posts_sp }, /* sp */
1.38 ! schwarze 271: { NULL, posts_text1 }, /* %U */
1.1 kristaps 272: };
273:
274:
275: int
1.28 schwarze 276: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 277: {
278: v_pre *p;
279: int line, pos;
280: const char *tp;
281:
282: if (MDOC_TEXT == n->type) {
283: tp = n->string;
284: line = n->line;
285: pos = n->pos;
286: return(check_text(mdoc, line, pos, tp));
287: }
288:
289: if ( ! check_args(mdoc, n))
290: return(0);
291: if (NULL == mdoc_valids[n->tok].pre)
292: return(1);
293: for (p = mdoc_valids[n->tok].pre; *p; p++)
294: if ( ! (*p)(mdoc, n))
295: return(0);
296: return(1);
297: }
298:
299:
300: int
301: mdoc_valid_post(struct mdoc *mdoc)
302: {
303: v_post *p;
304:
305: if (MDOC_VALID & mdoc->last->flags)
306: return(1);
307: mdoc->last->flags |= MDOC_VALID;
308:
309: if (MDOC_TEXT == mdoc->last->type)
310: return(1);
311: if (MDOC_ROOT == mdoc->last->type)
312: return(post_root(mdoc));
313:
314: if (NULL == mdoc_valids[mdoc->last->tok].post)
315: return(1);
316: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
317: if ( ! (*p)(mdoc))
318: return(0);
319:
320: return(1);
321: }
322:
323:
324: static int
1.3 schwarze 325: warn_print(struct mdoc *m, int ln, int pos)
326: {
1.20 schwarze 327:
1.3 schwarze 328: if (MDOC_IGN_CHARS & m->pflags)
1.21 schwarze 329: return(mdoc_pwarn(m, ln, pos, EPRINT));
1.20 schwarze 330: return(mdoc_perr(m, ln, pos, EPRINT));
1.3 schwarze 331: }
332:
1.1 kristaps 333:
334: static inline int
335: warn_count(struct mdoc *m, const char *k,
336: int want, const char *v, int has)
337: {
338:
1.16 schwarze 339: return(mdoc_vwarn(m, m->last->line, m->last->pos,
1.1 kristaps 340: "suggests %s %s %d (has %d)", v, k, want, has));
341: }
342:
343:
344: static inline int
345: err_count(struct mdoc *m, const char *k,
346: int want, const char *v, int has)
347: {
348:
1.17 schwarze 349: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 350: "requires %s %s %d (has %d)", v, k, want, has));
351: }
352:
353:
354: /*
355: * Build these up with macros because they're basically the same check
356: * for different inequalities. Yes, this could be done with functions,
357: * but this is reasonable for now.
358: */
359:
360: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
361: static int \
362: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
363: { \
1.12 schwarze 364: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 365: return(1); \
1.12 schwarze 366: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 367: }
368:
369: #define CHECK_BODY_DEFN(name, lvl, func, num) \
370: static int \
371: b##lvl##_##name(POST_ARGS) \
372: { \
373: if (MDOC_BODY != mdoc->last->type) \
374: return(1); \
375: return(func(mdoc, "multi-line arguments", (num))); \
376: }
377:
378: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
379: static int \
380: e##lvl##_##name(POST_ARGS) \
381: { \
382: assert(MDOC_ELEM == mdoc->last->type); \
383: return(func(mdoc, "line arguments", (num))); \
384: }
385:
386: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
387: static int \
388: h##lvl##_##name(POST_ARGS) \
389: { \
390: if (MDOC_HEAD != mdoc->last->type) \
391: return(1); \
392: return(func(mdoc, "line arguments", (num))); \
393: }
394:
395:
396: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
397: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
398: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
399: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
400: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
401: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
402: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 403: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 404: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
405: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
406: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
1.37 schwarze 407: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 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):
1.37 schwarze 621: if (type >= 0)
1.19 schwarze 622: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.5 schwarze 623: type = n->args->argv[pos].arg;
624: break;
1.37 schwarze 625: case (MDOC_Compact):
626: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
627: return(0);
628: break;
1.1 kristaps 629: case (MDOC_Width):
1.37 schwarze 630: if (width >= 0)
1.19 schwarze 631: return(mdoc_nerr(mdoc, n, EARGREP));
1.37 schwarze 632: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
633: return(0);
1.5 schwarze 634: width = n->args->argv[pos].arg;
635: break;
1.1 kristaps 636: case (MDOC_Offset):
1.37 schwarze 637: if (offset >= 0)
1.19 schwarze 638: return(mdoc_nerr(mdoc, n, EARGREP));
1.37 schwarze 639: if (type < 0 && ! mdoc_nwarn(mdoc, n, ENOTYPE))
640: return(0);
1.5 schwarze 641: offset = n->args->argv[pos].arg;
642: break;
1.1 kristaps 643: default:
644: break;
645: }
646:
1.37 schwarze 647: if (type < 0)
1.19 schwarze 648: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 649:
1.5 schwarze 650: /*
651: * Validate the width field. Some list types don't need width
652: * types and should be warned about them. Others should have it
653: * and must also be warned.
654: */
655:
1.1 kristaps 656: switch (type) {
1.5 schwarze 657: case (MDOC_Tag):
1.37 schwarze 658: if (width < 0 && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.5 schwarze 659: return(0);
660: break;
1.1 kristaps 661: case (MDOC_Column):
662: /* FALLTHROUGH */
663: case (MDOC_Diag):
664: /* FALLTHROUGH */
665: case (MDOC_Inset):
666: /* FALLTHROUGH */
667: case (MDOC_Item):
1.37 schwarze 668: if (width >= 0 && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.5 schwarze 669: return(0);
670: break;
671: default:
672: break;
673: }
674:
1.1 kristaps 675: return(1);
676: }
677:
678:
679: static int
680: pre_bd(PRE_ARGS)
681: {
682: int i, type, err;
683:
684: if (MDOC_BLOCK != n->type)
685: return(1);
686: if (NULL == n->args)
1.19 schwarze 687: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 688:
689: /* Make sure that only one type of display is specified. */
690:
691: /* LINTED */
692: for (i = 0, err = type = 0; ! err &&
693: i < (int)n->args->argc; i++)
694: switch (n->args->argv[i].arg) {
1.38 ! schwarze 695: case (MDOC_Centred):
! 696: /* FALLTHROUGH */
1.1 kristaps 697: case (MDOC_Ragged):
698: /* FALLTHROUGH */
699: case (MDOC_Unfilled):
700: /* FALLTHROUGH */
701: case (MDOC_Filled):
702: /* FALLTHROUGH */
703: case (MDOC_Literal):
704: if (0 == type++)
705: break;
1.19 schwarze 706: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 707: default:
708: break;
709: }
710:
711: if (type)
712: return(1);
1.19 schwarze 713: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 714: }
715:
716:
717: static int
718: pre_ss(PRE_ARGS)
719: {
720:
721: if (MDOC_BLOCK != n->type)
722: return(1);
723: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
724: }
725:
726:
727: static int
728: pre_sh(PRE_ARGS)
729: {
730:
731: if (MDOC_BLOCK != n->type)
732: return(1);
733: return(check_parent(mdoc, n, -1, MDOC_ROOT));
734: }
735:
736:
737: static int
738: pre_it(PRE_ARGS)
739: {
740:
741: if (MDOC_BLOCK != n->type)
742: return(1);
743: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
744: }
745:
746:
747: static int
748: pre_an(PRE_ARGS)
749: {
750:
751: if (NULL == n->args || 1 == n->args->argc)
752: return(1);
1.17 schwarze 753: return(mdoc_verr(mdoc, n->line, n->pos,
754: "only one argument allowed"));
1.1 kristaps 755: }
756:
757:
758: static int
759: pre_lb(PRE_ARGS)
760: {
761:
762: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
763: }
764:
765:
766: static int
767: pre_rv(PRE_ARGS)
768: {
769:
770: if ( ! check_msec(mdoc, n, 2, 3, 0))
771: return(0);
772: return(check_stdarg(mdoc, n));
773: }
774:
775:
776: static int
777: pre_ex(PRE_ARGS)
778: {
779:
780: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
781: return(0);
782: return(check_stdarg(mdoc, n));
783: }
784:
785:
786: static int
787: pre_er(PRE_ARGS)
788: {
789:
1.6 schwarze 790: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 791: }
792:
793:
794: static int
795: pre_cd(PRE_ARGS)
796: {
797:
798: return(check_msec(mdoc, n, 4, 0));
799: }
800:
801:
802: static int
803: pre_dt(PRE_ARGS)
804: {
805:
806: if (0 == mdoc->meta.date || mdoc->meta.os)
1.21 schwarze 807: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 808: return(0);
809: if (mdoc->meta.title)
1.21 schwarze 810: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 811: return(0);
812: return(1);
813: }
814:
815:
816: static int
817: pre_os(PRE_ARGS)
818: {
819:
820: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.21 schwarze 821: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 822: return(0);
823: if (mdoc->meta.os)
1.21 schwarze 824: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 825: return(0);
826: return(1);
827: }
828:
829:
830: static int
831: pre_dd(PRE_ARGS)
832: {
833:
834: if (mdoc->meta.title || mdoc->meta.os)
1.21 schwarze 835: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 836: return(0);
837: if (mdoc->meta.date)
1.21 schwarze 838: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 839: return(0);
840: return(1);
841: }
842:
843:
844: static int
845: post_bf(POST_ARGS)
846: {
847: char *p;
848: struct mdoc_node *head;
849:
850: if (MDOC_BLOCK != mdoc->last->type)
851: return(1);
852:
853: head = mdoc->last->head;
854:
1.10 schwarze 855: if (mdoc->last->args && head->child)
1.19 schwarze 856: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.10 schwarze 857: else if (mdoc->last->args)
858: return(1);
859:
860: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.19 schwarze 861: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 862:
1.10 schwarze 863: p = head->child->string;
1.1 kristaps 864:
1.10 schwarze 865: if (0 == strcmp(p, "Em"))
866: return(1);
867: else if (0 == strcmp(p, "Li"))
868: return(1);
1.30 schwarze 869: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 870: return(1);
1.1 kristaps 871:
1.19 schwarze 872: return(mdoc_nerr(mdoc, head, EFONT));
1.27 schwarze 873: }
874:
875:
876: static int
877: post_lb(POST_ARGS)
878: {
879:
880: if (mdoc_a2lib(mdoc->last->child->string))
881: return(1);
882: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
1.1 kristaps 883: }
884:
885:
886: static int
887: post_nm(POST_ARGS)
888: {
889:
890: if (mdoc->last->child)
891: return(1);
892: if (mdoc->meta.name)
893: return(1);
1.19 schwarze 894: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 895: }
896:
897:
898: static int
899: post_at(POST_ARGS)
900: {
901:
902: if (NULL == mdoc->last->child)
903: return(1);
904: if (MDOC_TEXT != mdoc->last->child->type)
1.19 schwarze 905: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 906: if (mdoc_a2att(mdoc->last->child->string))
907: return(1);
1.19 schwarze 908: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 909: }
910:
911:
912: static int
913: post_an(POST_ARGS)
914: {
915:
916: if (mdoc->last->args) {
917: if (NULL == mdoc->last->child)
918: return(1);
1.34 schwarze 919: return(mdoc_nerr(mdoc, mdoc->last, ENOLINE));
1.1 kristaps 920: }
921:
922: if (mdoc->last->child)
923: return(1);
1.19 schwarze 924: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 925: }
926:
927:
928: static int
929: post_it(POST_ARGS)
930: {
931: int type, i, cols;
932: struct mdoc_node *n, *c;
933:
934: if (MDOC_BLOCK != mdoc->last->type)
935: return(1);
936:
937: n = mdoc->last->parent->parent;
938: if (NULL == n->args)
1.19 schwarze 939: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 940:
941: /* Some types require block-head, some not. */
942:
943: /* LINTED */
944: for (cols = type = -1, i = 0; -1 == type &&
945: i < (int)n->args->argc; i++)
946: switch (n->args->argv[i].arg) {
947: case (MDOC_Tag):
948: /* FALLTHROUGH */
949: case (MDOC_Diag):
950: /* FALLTHROUGH */
951: case (MDOC_Hang):
952: /* FALLTHROUGH */
953: case (MDOC_Ohang):
954: /* FALLTHROUGH */
955: case (MDOC_Inset):
956: /* FALLTHROUGH */
957: case (MDOC_Bullet):
958: /* FALLTHROUGH */
959: case (MDOC_Dash):
960: /* FALLTHROUGH */
961: case (MDOC_Enum):
962: /* FALLTHROUGH */
963: case (MDOC_Hyphen):
964: /* FALLTHROUGH */
965: case (MDOC_Item):
966: type = n->args->argv[i].arg;
967: break;
968: case (MDOC_Column):
969: type = n->args->argv[i].arg;
970: cols = (int)n->args->argv[i].sz;
971: break;
972: default:
973: break;
974: }
975:
976: if (-1 == type)
1.19 schwarze 977: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 978:
979: switch (type) {
980: case (MDOC_Tag):
981: if (NULL == mdoc->last->head->child)
1.21 schwarze 982: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 983: return(0);
984: break;
985: case (MDOC_Hang):
986: /* FALLTHROUGH */
987: case (MDOC_Ohang):
988: /* FALLTHROUGH */
989: case (MDOC_Inset):
990: /* FALLTHROUGH */
991: case (MDOC_Diag):
992: if (NULL == mdoc->last->head->child)
1.21 schwarze 993: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 994: return(0);
995: if (NULL == mdoc->last->body->child)
1.21 schwarze 996: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 997: return(0);
998: break;
999: case (MDOC_Bullet):
1000: /* FALLTHROUGH */
1001: case (MDOC_Dash):
1002: /* FALLTHROUGH */
1003: case (MDOC_Enum):
1004: /* FALLTHROUGH */
1005: case (MDOC_Hyphen):
1006: /* FALLTHROUGH */
1007: case (MDOC_Item):
1008: if (mdoc->last->head->child)
1.21 schwarze 1009: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 1010: return(0);
1011: if (NULL == mdoc->last->body->child)
1.21 schwarze 1012: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1013: return(0);
1014: break;
1015: case (MDOC_Column):
1016: if (NULL == mdoc->last->head->child)
1.21 schwarze 1017: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1018: return(0);
1019: if (mdoc->last->body->child)
1.21 schwarze 1020: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1021: return(0);
1022: c = mdoc->last->child;
1023: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1024: i++;
1.32 schwarze 1025:
1.33 schwarze 1026: if (i < cols || i == (cols + 1)) {
1.32 schwarze 1027: if ( ! mdoc_vwarn(mdoc, mdoc->last->line,
1028: mdoc->last->pos, "column "
1029: "mismatch: have %d, want %d",
1030: i, cols))
1031: return(0);
1.1 kristaps 1032: break;
1.32 schwarze 1033: } else if (i == cols)
1034: break;
1035:
1036: return(mdoc_verr(mdoc, mdoc->last->line,
1037: mdoc->last->pos, "column mismatch: "
1038: "have %d, want %d", i, cols));
1.1 kristaps 1039: default:
1040: break;
1041: }
1042:
1043: return(1);
1044: }
1045:
1046:
1047: static int
1.11 schwarze 1048: post_bl_head(POST_ARGS)
1049: {
1050: int i;
1051: const struct mdoc_node *n;
1052:
1053: n = mdoc->last->parent;
1054: assert(n->args);
1055:
1056: for (i = 0; i < (int)n->args->argc; i++)
1057: if (n->args->argv[i].arg == MDOC_Column)
1058: break;
1059:
1060: if (i == (int)n->args->argc)
1061: return(1);
1062:
1063: if (n->args->argv[i].sz && mdoc->last->child)
1.19 schwarze 1064: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.11 schwarze 1065:
1066: return(1);
1067: }
1068:
1069:
1070: static int
1.1 kristaps 1071: post_bl(POST_ARGS)
1072: {
1073: struct mdoc_node *n;
1074:
1.11 schwarze 1075: if (MDOC_HEAD == mdoc->last->type)
1076: return(post_bl_head(mdoc));
1.1 kristaps 1077: if (MDOC_BODY != mdoc->last->type)
1078: return(1);
1079: if (NULL == mdoc->last->child)
1080: return(1);
1081:
1082: /* LINTED */
1083: for (n = mdoc->last->child; n; n = n->next) {
1084: if (MDOC_BLOCK == n->type)
1085: if (MDOC_It == n->tok)
1086: continue;
1.36 schwarze 1087: return(mdoc_nerr(mdoc, n, EBADCHILD));
1.1 kristaps 1088: }
1089:
1090: return(1);
1091: }
1092:
1093:
1094: static int
1095: ebool(struct mdoc *mdoc)
1096: {
1097: struct mdoc_node *n;
1098:
1099: /* LINTED */
1100: for (n = mdoc->last->child; n; n = n->next) {
1101: if (MDOC_TEXT != n->type)
1102: break;
1103: if (0 == strcmp(n->string, "on"))
1104: continue;
1105: if (0 == strcmp(n->string, "off"))
1106: continue;
1107: break;
1108: }
1109:
1110: if (NULL == n)
1111: return(1);
1.19 schwarze 1112: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1113: }
1114:
1115:
1116: static int
1117: post_root(POST_ARGS)
1118: {
1119:
1120: if (NULL == mdoc->first->child)
1.19 schwarze 1121: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.9 schwarze 1122: if ( ! (MDOC_PBODY & mdoc->flags))
1.19 schwarze 1123: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1124:
1125: if (MDOC_BLOCK != mdoc->first->child->type)
1.19 schwarze 1126: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1127: if (MDOC_Sh != mdoc->first->child->tok)
1.19 schwarze 1128: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1129:
1130: return(1);
1131: }
1132:
1133:
1134: static int
1135: post_st(POST_ARGS)
1136: {
1137:
1138: if (mdoc_a2st(mdoc->last->child->string))
1139: return(1);
1.29 schwarze 1140: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.36 schwarze 1141: }
1142:
1143:
1144: static int
1145: post_rs(POST_ARGS)
1146: {
1147: struct mdoc_node *nn;
1148:
1149: if (MDOC_BODY != mdoc->last->type)
1150: return(1);
1151:
1152: for (nn = mdoc->last->child; nn; nn = nn->next)
1153: switch (nn->tok) {
1.38 ! schwarze 1154: case(MDOC__U):
! 1155: /* FALLTHROUGH */
1.36 schwarze 1156: case(MDOC__Q):
1157: /* FALLTHROUGH */
1158: case(MDOC__C):
1159: /* FALLTHROUGH */
1160: case(MDOC__A):
1161: /* FALLTHROUGH */
1162: case(MDOC__B):
1163: /* FALLTHROUGH */
1164: case(MDOC__D):
1165: /* FALLTHROUGH */
1166: case(MDOC__I):
1167: /* FALLTHROUGH */
1168: case(MDOC__J):
1169: /* FALLTHROUGH */
1170: case(MDOC__N):
1171: /* FALLTHROUGH */
1172: case(MDOC__O):
1173: /* FALLTHROUGH */
1174: case(MDOC__P):
1175: /* FALLTHROUGH */
1176: case(MDOC__R):
1177: /* FALLTHROUGH */
1178: case(MDOC__T):
1179: /* FALLTHROUGH */
1180: case(MDOC__V):
1181: break;
1182: default:
1183: return(mdoc_nerr(mdoc, nn, EBADCHILD));
1184: }
1185:
1186: return(1);
1.1 kristaps 1187: }
1188:
1189:
1190: static int
1191: post_sh(POST_ARGS)
1192: {
1193:
1194: if (MDOC_HEAD == mdoc->last->type)
1195: return(post_sh_head(mdoc));
1196: if (MDOC_BODY == mdoc->last->type)
1197: return(post_sh_body(mdoc));
1198:
1199: return(1);
1200: }
1201:
1202:
1203: static int
1204: post_sh_body(POST_ARGS)
1205: {
1206: struct mdoc_node *n;
1207:
1.26 schwarze 1208: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1209: return(1);
1210:
1211: /*
1212: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1213: * macros (can have multiple `Nm' and one `Nd'). Note that the
1214: * children of the BODY declaration can also be "text".
1215: */
1216:
1217: if (NULL == (n = mdoc->last->child))
1.21 schwarze 1218: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1219:
1220: for ( ; n && n->next; n = n->next) {
1221: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1222: continue;
1223: if (MDOC_TEXT == n->type)
1224: continue;
1.21 schwarze 1225: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1226: return(0);
1227: }
1228:
1.34 schwarze 1229: assert(n);
1.25 schwarze 1230: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1231: return(1);
1.21 schwarze 1232: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1233: }
1234:
1235:
1236: static int
1237: post_sh_head(POST_ARGS)
1238: {
1239: char buf[64];
1240: enum mdoc_sec sec;
1241: const struct mdoc_node *n;
1242:
1243: /*
1244: * Process a new section. Sections are either "named" or
1245: * "custom"; custom sections are user-defined, while named ones
1246: * usually follow a conventional order and may only appear in
1247: * certain manual sections.
1248: */
1249:
1.9 schwarze 1250: buf[0] = 0;
1.1 kristaps 1251:
1252: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1253: /* XXX - copied from compact(). */
1.1 kristaps 1254: assert(MDOC_TEXT == n->type);
1.9 schwarze 1255:
1.1 kristaps 1256: if (strlcat(buf, n->string, 64) >= 64)
1.19 schwarze 1257: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1258: if (NULL == n->next)
1259: continue;
1260: if (strlcat(buf, " ", 64) >= 64)
1.19 schwarze 1261: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.1 kristaps 1262: }
1263:
1264: sec = mdoc_atosec(buf);
1265:
1.9 schwarze 1266: /*
1267: * Check: NAME should always be first, CUSTOM has no roles,
1268: * non-CUSTOM has a conventional order to be followed.
1269: */
1.1 kristaps 1270:
1.9 schwarze 1271: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.19 schwarze 1272: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1273: if (SEC_CUSTOM == sec)
1274: return(1);
1275: if (sec == mdoc->lastnamed)
1.23 schwarze 1276: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1277: return(0);
1.1 kristaps 1278: if (sec < mdoc->lastnamed)
1.23 schwarze 1279: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1280: return(0);
1.1 kristaps 1281:
1.9 schwarze 1282: /*
1283: * Check particular section/manual conventions. LIBRARY can
1284: * only occur in msec 2, 3 (TODO: are there more of these?).
1285: */
1.1 kristaps 1286:
1287: switch (sec) {
1288: case (SEC_LIBRARY):
1289: switch (mdoc->meta.msec) {
1290: case (2):
1291: /* FALLTHROUGH */
1292: case (3):
1293: break;
1294: default:
1.21 schwarze 1295: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1296: }
1297: break;
1298: default:
1299: break;
1300: }
1301:
1302: return(1);
1303: }
1304:
1305:
1306: static int
1307: pre_fd(PRE_ARGS)
1308: {
1309:
1310: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1311: }
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