Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.55
1.55 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.54 2010/05/15 18:25:51 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 <limits.h>
1.1 kristaps 22: #include <stdlib.h>
23: #include <string.h>
24:
1.55 ! schwarze 25: #include "mandoc.h"
1.1 kristaps 26: #include "libmdoc.h"
1.15 schwarze 27: #include "libmandoc.h"
1.1 kristaps 28:
29: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
30: /* TODO: ignoring Pp (it's superfluous in some invocations). */
31:
1.28 schwarze 32: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
33: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 34:
35: typedef int (*v_pre)(PRE_ARGS);
36: typedef int (*v_post)(POST_ARGS);
37:
38: struct valids {
39: v_pre *pre;
40: v_post *post;
41: };
42:
1.44 schwarze 43: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.28 schwarze 44: static int check_stdarg(PRE_ARGS);
45: static int check_text(struct mdoc *, int, int, const char *);
46: static int check_argv(struct mdoc *,
1.1 kristaps 47: const struct mdoc_node *,
48: const struct mdoc_argv *);
1.28 schwarze 49: static int check_args(struct mdoc *,
1.1 kristaps 50: const struct mdoc_node *);
1.28 schwarze 51: static int err_child_lt(struct mdoc *, const char *, int);
52: static int warn_child_lt(struct mdoc *, const char *, int);
53: static int err_child_gt(struct mdoc *, const char *, int);
54: static int warn_child_gt(struct mdoc *, const char *, int);
55: static int err_child_eq(struct mdoc *, const char *, int);
56: static int warn_child_eq(struct mdoc *, const char *, int);
57: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 58: int, const char *, int);
1.28 schwarze 59: static int err_count(struct mdoc *, const char *,
1.1 kristaps 60: int, const char *, int);
1.28 schwarze 61:
62: static int berr_ge1(POST_ARGS);
63: static int bwarn_ge1(POST_ARGS);
64: static int ebool(POST_ARGS);
65: static int eerr_eq0(POST_ARGS);
66: static int eerr_eq1(POST_ARGS);
67: static int eerr_ge1(POST_ARGS);
1.37 schwarze 68: static int eerr_le1(POST_ARGS);
1.28 schwarze 69: static int ewarn_ge1(POST_ARGS);
70: static int herr_eq0(POST_ARGS);
71: static int herr_ge1(POST_ARGS);
72: static int hwarn_eq1(POST_ARGS);
1.48 schwarze 73: static int hwarn_eq0(POST_ARGS);
1.28 schwarze 74: static int hwarn_le1(POST_ARGS);
75:
76: static int post_an(POST_ARGS);
77: static int post_at(POST_ARGS);
78: static int post_bf(POST_ARGS);
79: static int post_bl(POST_ARGS);
80: static int post_bl_head(POST_ARGS);
81: static int post_it(POST_ARGS);
82: static int post_lb(POST_ARGS);
83: static int post_nm(POST_ARGS);
84: static int post_root(POST_ARGS);
1.36 schwarze 85: static int post_rs(POST_ARGS);
1.28 schwarze 86: static int post_sh(POST_ARGS);
87: static int post_sh_body(POST_ARGS);
88: static int post_sh_head(POST_ARGS);
89: static int post_st(POST_ARGS);
1.42 schwarze 90: static int post_vt(POST_ARGS);
1.28 schwarze 91: static int pre_an(PRE_ARGS);
92: static int pre_bd(PRE_ARGS);
93: static int pre_bl(PRE_ARGS);
94: static int pre_dd(PRE_ARGS);
95: static int pre_display(PRE_ARGS);
96: static int pre_dt(PRE_ARGS);
97: static int pre_it(PRE_ARGS);
98: static int pre_os(PRE_ARGS);
99: static int pre_rv(PRE_ARGS);
100: static int pre_sh(PRE_ARGS);
101: static int pre_ss(PRE_ARGS);
102:
103: static v_post posts_an[] = { post_an, NULL };
104: static v_post posts_at[] = { post_at, NULL };
1.48 schwarze 105: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.28 schwarze 106: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
107: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
108: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
109: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
110: static v_post posts_it[] = { post_it, NULL };
111: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
112: static v_post posts_nd[] = { berr_ge1, NULL };
113: static v_post posts_nm[] = { post_nm, NULL };
114: static v_post posts_notext[] = { eerr_eq0, NULL };
1.36 schwarze 115: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.28 schwarze 116: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.37 schwarze 117: static v_post posts_sp[] = { eerr_le1, NULL };
1.28 schwarze 118: static v_post posts_ss[] = { herr_ge1, NULL };
119: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
120: static v_post posts_text[] = { eerr_ge1, NULL };
1.38 schwarze 121: static v_post posts_text1[] = { eerr_eq1, NULL };
1.42 schwarze 122: static v_post posts_vt[] = { post_vt, NULL };
1.28 schwarze 123: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
124: static v_post posts_wtext[] = { ewarn_ge1, NULL };
1.47 schwarze 125: static v_post posts_xr[] = { ewarn_ge1, NULL };
1.28 schwarze 126: static v_pre pres_an[] = { pre_an, NULL };
127: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
128: static v_pre pres_bl[] = { pre_bl, NULL };
129: static v_pre pres_d1[] = { pre_display, NULL };
130: static v_pre pres_dd[] = { pre_dd, NULL };
131: static v_pre pres_dt[] = { pre_dt, NULL };
1.48 schwarze 132: static v_pre pres_er[] = { NULL, NULL };
1.53 schwarze 133: static v_pre pres_ex[] = { NULL, NULL };
134: static v_pre pres_fd[] = { NULL, NULL };
1.28 schwarze 135: static v_pre pres_it[] = { pre_it, NULL };
1.53 schwarze 136: static v_pre pres_lb[] = { NULL, NULL };
1.28 schwarze 137: static v_pre pres_os[] = { pre_os, NULL };
138: static v_pre pres_rv[] = { pre_rv, NULL };
139: static v_pre pres_sh[] = { pre_sh, NULL };
140: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 141:
142: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 143: { NULL, NULL }, /* Ap */
1.1 kristaps 144: { pres_dd, posts_text }, /* Dd */
145: { pres_dt, NULL }, /* Dt */
146: { pres_os, NULL }, /* Os */
147: { pres_sh, posts_sh }, /* Sh */
148: { pres_ss, posts_ss }, /* Ss */
1.31 schwarze 149: { NULL, posts_notext }, /* Pp */
1.1 kristaps 150: { pres_d1, posts_wline }, /* D1 */
151: { pres_d1, posts_wline }, /* Dl */
152: { pres_bd, posts_bd }, /* Bd */
153: { NULL, NULL }, /* Ed */
154: { pres_bl, posts_bl }, /* Bl */
155: { NULL, NULL }, /* El */
156: { pres_it, posts_it }, /* It */
157: { NULL, posts_text }, /* Ad */
158: { pres_an, posts_an }, /* An */
159: { NULL, NULL }, /* Ar */
1.50 schwarze 160: { NULL, posts_text }, /* Cd */
1.1 kristaps 161: { NULL, NULL }, /* Cm */
162: { NULL, NULL }, /* Dv */
163: { pres_er, posts_text }, /* Er */
164: { NULL, NULL }, /* Ev */
1.35 schwarze 165: { pres_ex, NULL }, /* Ex */
1.1 kristaps 166: { NULL, NULL }, /* Fa */
167: { pres_fd, posts_wtext }, /* Fd */
168: { NULL, NULL }, /* Fl */
169: { NULL, posts_text }, /* Fn */
170: { NULL, posts_wtext }, /* Ft */
171: { NULL, posts_text }, /* Ic */
1.38 schwarze 172: { NULL, posts_text1 }, /* In */
1.1 kristaps 173: { NULL, NULL }, /* Li */
1.25 schwarze 174: { NULL, posts_nd }, /* Nd */
1.1 kristaps 175: { NULL, posts_nm }, /* Nm */
176: { NULL, posts_wline }, /* Op */
177: { NULL, NULL }, /* Ot */
178: { NULL, NULL }, /* Pa */
1.35 schwarze 179: { pres_rv, NULL }, /* Rv */
1.1 kristaps 180: { NULL, posts_st }, /* St */
181: { NULL, NULL }, /* Va */
1.42 schwarze 182: { NULL, posts_vt }, /* Vt */
1.1 kristaps 183: { NULL, posts_xr }, /* Xr */
184: { NULL, posts_text }, /* %A */
1.37 schwarze 185: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.40 schwarze 186: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 187: { NULL, posts_text }, /* %I */
188: { NULL, posts_text }, /* %J */
189: { NULL, posts_text }, /* %N */
190: { NULL, posts_text }, /* %O */
191: { NULL, posts_text }, /* %P */
192: { NULL, posts_text }, /* %R */
1.37 schwarze 193: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 194: { NULL, posts_text }, /* %V */
195: { NULL, NULL }, /* Ac */
196: { NULL, NULL }, /* Ao */
197: { NULL, posts_wline }, /* Aq */
198: { NULL, posts_at }, /* At */
199: { NULL, NULL }, /* Bc */
200: { NULL, posts_bf }, /* Bf */
201: { NULL, NULL }, /* Bo */
202: { NULL, posts_wline }, /* Bq */
203: { NULL, NULL }, /* Bsx */
204: { NULL, NULL }, /* Bx */
205: { NULL, posts_bool }, /* Db */
206: { NULL, NULL }, /* Dc */
207: { NULL, NULL }, /* Do */
208: { NULL, posts_wline }, /* Dq */
209: { NULL, NULL }, /* Ec */
210: { NULL, NULL }, /* Ef */
211: { NULL, NULL }, /* Em */
212: { NULL, NULL }, /* Eo */
213: { NULL, NULL }, /* Fx */
214: { NULL, posts_text }, /* Ms */
215: { NULL, posts_notext }, /* No */
216: { NULL, posts_notext }, /* Ns */
217: { NULL, NULL }, /* Nx */
218: { NULL, NULL }, /* Ox */
219: { NULL, NULL }, /* Pc */
1.38 schwarze 220: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 221: { NULL, NULL }, /* Po */
222: { NULL, posts_wline }, /* Pq */
223: { NULL, NULL }, /* Qc */
224: { NULL, posts_wline }, /* Ql */
225: { NULL, NULL }, /* Qo */
226: { NULL, posts_wline }, /* Qq */
227: { NULL, NULL }, /* Re */
1.36 schwarze 228: { NULL, posts_rs }, /* Rs */
1.1 kristaps 229: { NULL, NULL }, /* Sc */
230: { NULL, NULL }, /* So */
231: { NULL, posts_wline }, /* Sq */
232: { NULL, posts_bool }, /* Sm */
233: { NULL, posts_text }, /* Sx */
234: { NULL, posts_text }, /* Sy */
235: { NULL, posts_text }, /* Tn */
236: { NULL, NULL }, /* Ux */
237: { NULL, NULL }, /* Xc */
238: { NULL, NULL }, /* Xo */
239: { NULL, posts_fo }, /* Fo */
240: { NULL, NULL }, /* Fc */
241: { NULL, NULL }, /* Oo */
242: { NULL, NULL }, /* Oc */
243: { NULL, posts_wline }, /* Bk */
244: { NULL, NULL }, /* Ek */
245: { NULL, posts_notext }, /* Bt */
246: { NULL, NULL }, /* Hf */
247: { NULL, NULL }, /* Fr */
248: { NULL, posts_notext }, /* Ud */
249: { pres_lb, posts_lb }, /* Lb */
1.31 schwarze 250: { NULL, posts_notext }, /* Lp */
1.38 schwarze 251: { NULL, posts_text }, /* Lk */
1.1 kristaps 252: { NULL, posts_text }, /* Mt */
253: { NULL, posts_wline }, /* Brq */
254: { NULL, NULL }, /* Bro */
255: { NULL, NULL }, /* Brc */
256: { NULL, posts_text }, /* %C */
257: { NULL, NULL }, /* Es */
258: { NULL, NULL }, /* En */
259: { NULL, NULL }, /* Dx */
260: { NULL, posts_text }, /* %Q */
1.31 schwarze 261: { NULL, posts_notext }, /* br */
262: { NULL, posts_sp }, /* sp */
1.38 schwarze 263: { NULL, posts_text1 }, /* %U */
1.1 kristaps 264: };
265:
266:
267: int
1.28 schwarze 268: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 269: {
270: v_pre *p;
271: int line, pos;
272: const char *tp;
273:
274: if (MDOC_TEXT == n->type) {
275: tp = n->string;
276: line = n->line;
277: pos = n->pos;
278: return(check_text(mdoc, line, pos, tp));
279: }
280:
281: if ( ! check_args(mdoc, n))
282: return(0);
283: if (NULL == mdoc_valids[n->tok].pre)
284: return(1);
285: for (p = mdoc_valids[n->tok].pre; *p; p++)
286: if ( ! (*p)(mdoc, n))
287: return(0);
288: return(1);
289: }
290:
291:
292: int
293: mdoc_valid_post(struct mdoc *mdoc)
294: {
295: v_post *p;
296:
297: if (MDOC_VALID & mdoc->last->flags)
298: return(1);
299: mdoc->last->flags |= MDOC_VALID;
300:
301: if (MDOC_TEXT == mdoc->last->type)
302: return(1);
303: if (MDOC_ROOT == mdoc->last->type)
304: return(post_root(mdoc));
305:
306: if (NULL == mdoc_valids[mdoc->last->tok].post)
307: return(1);
308: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
309: if ( ! (*p)(mdoc))
310: return(0);
311:
312: return(1);
313: }
314:
315:
316: static inline int
317: warn_count(struct mdoc *m, const char *k,
318: int want, const char *v, int has)
319: {
320:
1.55 ! schwarze 321: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
! 322: m->last->line, m->last->pos,
! 323: "%s %s %d (have %d)", v, k, want, has));
1.1 kristaps 324: }
325:
326:
327: static inline int
328: err_count(struct mdoc *m, const char *k,
329: int want, const char *v, int has)
330: {
331:
1.55 ! schwarze 332: mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT,
! 333: m->last->line, m->last->pos,
! 334: "%s %s %d (have %d)",
! 335: v, k, want, has);
! 336: return(0);
1.1 kristaps 337: }
338:
339:
340: /*
341: * Build these up with macros because they're basically the same check
342: * for different inequalities. Yes, this could be done with functions,
343: * but this is reasonable for now.
344: */
345:
346: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
347: static int \
348: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
349: { \
1.12 schwarze 350: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 351: return(1); \
1.12 schwarze 352: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 353: }
354:
355: #define CHECK_BODY_DEFN(name, lvl, func, num) \
356: static int \
357: b##lvl##_##name(POST_ARGS) \
358: { \
359: if (MDOC_BODY != mdoc->last->type) \
360: return(1); \
361: return(func(mdoc, "multi-line arguments", (num))); \
362: }
363:
364: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
365: static int \
366: e##lvl##_##name(POST_ARGS) \
367: { \
368: assert(MDOC_ELEM == mdoc->last->type); \
369: return(func(mdoc, "line arguments", (num))); \
370: }
371:
372: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
373: static int \
374: h##lvl##_##name(POST_ARGS) \
375: { \
376: if (MDOC_HEAD != mdoc->last->type) \
377: return(1); \
378: return(func(mdoc, "line arguments", (num))); \
379: }
380:
381:
382: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
383: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
384: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
385: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
386: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
387: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
388: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.25 schwarze 389: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 390: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
391: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.37 schwarze 392: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 393: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
394: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
395: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
396: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
397: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
398: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.48 schwarze 399: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 400:
401:
402: static int
403: check_stdarg(PRE_ARGS)
404: {
405:
406: if (n->args && 1 == n->args->argc)
407: if (MDOC_Std == n->args->argv[0].arg)
408: return(1);
1.55 ! schwarze 409: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 410: }
411:
412:
413: static int
414: check_args(struct mdoc *m, const struct mdoc_node *n)
415: {
416: int i;
417:
418: if (NULL == n->args)
419: return(1);
420:
421: assert(n->args->argc);
422: for (i = 0; i < (int)n->args->argc; i++)
423: if ( ! check_argv(m, n, &n->args->argv[i]))
424: return(0);
425:
426: return(1);
427: }
428:
429:
430: static int
431: check_argv(struct mdoc *m, const struct mdoc_node *n,
432: const struct mdoc_argv *v)
433: {
434: int i;
435:
436: for (i = 0; i < (int)v->sz; i++)
437: if ( ! check_text(m, v->line, v->pos, v->value[i]))
438: return(0);
439:
440: if (MDOC_Std == v->arg) {
441: if (v->sz || m->meta.name)
442: return(1);
1.55 ! schwarze 443: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
! 444: return(0);
1.1 kristaps 445: }
446:
447: return(1);
448: }
449:
450:
451: static int
452: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
453: {
1.15 schwarze 454: int c;
1.1 kristaps 455:
1.15 schwarze 456: for ( ; *p; p++, pos++) {
1.1 kristaps 457: if ('\t' == *p) {
458: if ( ! (MDOC_LITERAL & mdoc->flags))
1.55 ! schwarze 459: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.1 kristaps 460: return(0);
461: } else if ( ! isprint((u_char)*p))
1.55 ! schwarze 462: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.1 kristaps 463: return(0);
464:
465: if ('\\' != *p)
466: continue;
467:
1.15 schwarze 468: c = mandoc_special(p);
1.1 kristaps 469: if (c) {
1.15 schwarze 470: p += c - 1;
471: pos += c - 1;
1.1 kristaps 472: continue;
473: }
1.55 ! schwarze 474:
! 475: c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
! 476: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
! 477: return(c);
1.1 kristaps 478: }
479:
480: return(1);
481: }
482:
483:
484:
485:
486: static int
1.44 schwarze 487: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 488: {
489:
490: assert(n->parent);
491: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
492: (t == n->parent->type))
493: return(1);
494:
1.55 ! schwarze 495: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
! 496: n->line, n->pos, "want parent %s",
! 497: MDOC_ROOT == t ? "<root>" :
! 498: mdoc_macronames[tok]);
! 499: return(0);
1.1 kristaps 500: }
501:
502:
503:
504: static int
505: pre_display(PRE_ARGS)
506: {
507: struct mdoc_node *node;
508:
509: /* Display elements (`Bd', `D1'...) cannot be nested. */
510:
511: if (MDOC_BLOCK != n->type)
512: return(1);
513:
514: /* LINTED */
515: for (node = mdoc->last->parent; node; node = node->parent)
516: if (MDOC_BLOCK == node->type)
517: if (MDOC_Bd == node->tok)
518: break;
519: if (NULL == node)
520: return(1);
521:
1.55 ! schwarze 522: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
! 523: return(0);
1.1 kristaps 524: }
525:
526:
527: static int
528: pre_bl(PRE_ARGS)
529: {
1.11 schwarze 530: int pos, type, width, offset;
1.1 kristaps 531:
532: if (MDOC_BLOCK != n->type)
533: return(1);
1.55 ! schwarze 534: if (NULL == n->args) {
! 535: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
! 536: return(0);
! 537: }
1.1 kristaps 538:
539: /* Make sure that only one type of list is specified. */
540:
1.11 schwarze 541: type = offset = width = -1;
1.1 kristaps 542:
543: /* LINTED */
1.5 schwarze 544: for (pos = 0; pos < (int)n->args->argc; pos++)
545: switch (n->args->argv[pos].arg) {
1.1 kristaps 546: case (MDOC_Bullet):
547: /* FALLTHROUGH */
548: case (MDOC_Dash):
549: /* FALLTHROUGH */
550: case (MDOC_Enum):
551: /* FALLTHROUGH */
552: case (MDOC_Hyphen):
553: /* FALLTHROUGH */
554: case (MDOC_Item):
555: /* FALLTHROUGH */
556: case (MDOC_Tag):
557: /* FALLTHROUGH */
558: case (MDOC_Diag):
559: /* FALLTHROUGH */
560: case (MDOC_Hang):
561: /* FALLTHROUGH */
562: case (MDOC_Ohang):
563: /* FALLTHROUGH */
564: case (MDOC_Inset):
565: /* FALLTHROUGH */
566: case (MDOC_Column):
1.48 schwarze 567: /*
568: * Note that if a duplicate is detected, we
569: * remove the duplicate instead of passing it
570: * over. If we don't do this, mdoc_action will
571: * become confused when it scans over multiple
572: * types whilst setting its bitmasks.
573: *
574: * FIXME: this should occur in mdoc_action.c.
575: */
1.46 schwarze 576: if (type >= 0) {
1.55 ! schwarze 577: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
1.46 schwarze 578: return(0);
579: mdoc_argn_free(n->args, pos);
580: break;
581: }
1.5 schwarze 582: type = n->args->argv[pos].arg;
583: break;
1.37 schwarze 584: case (MDOC_Compact):
1.55 ! schwarze 585: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.37 schwarze 586: return(0);
587: break;
1.1 kristaps 588: case (MDOC_Width):
1.37 schwarze 589: if (width >= 0)
1.55 ! schwarze 590: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
! 591: return(0);
! 592: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.37 schwarze 593: return(0);
1.5 schwarze 594: width = n->args->argv[pos].arg;
595: break;
1.1 kristaps 596: case (MDOC_Offset):
1.37 schwarze 597: if (offset >= 0)
1.55 ! schwarze 598: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
! 599: return(0);
! 600: if (type < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
1.37 schwarze 601: return(0);
1.5 schwarze 602: offset = n->args->argv[pos].arg;
603: break;
1.1 kristaps 604: default:
605: break;
606: }
607:
1.55 ! schwarze 608: if (type < 0) {
! 609: mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE);
! 610: return(0);
! 611: }
1.1 kristaps 612:
1.5 schwarze 613: /*
614: * Validate the width field. Some list types don't need width
615: * types and should be warned about them. Others should have it
616: * and must also be warned.
617: */
618:
1.1 kristaps 619: switch (type) {
1.5 schwarze 620: case (MDOC_Tag):
1.55 ! schwarze 621: if (width < 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
1.5 schwarze 622: return(0);
623: break;
1.1 kristaps 624: case (MDOC_Column):
625: /* FALLTHROUGH */
626: case (MDOC_Diag):
627: /* FALLTHROUGH */
1.40 schwarze 628: case (MDOC_Ohang):
629: /* FALLTHROUGH */
1.1 kristaps 630: case (MDOC_Inset):
631: /* FALLTHROUGH */
632: case (MDOC_Item):
1.55 ! schwarze 633: if (width >= 0 && ! mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
1.5 schwarze 634: return(0);
635: break;
636: default:
637: break;
638: }
639:
1.1 kristaps 640: return(1);
641: }
642:
643:
644: static int
645: pre_bd(PRE_ARGS)
646: {
647: int i, type, err;
648:
649: if (MDOC_BLOCK != n->type)
650: return(1);
1.55 ! schwarze 651: if (NULL == n->args) {
! 652: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
! 653: return(0);
! 654: }
1.1 kristaps 655:
656: /* Make sure that only one type of display is specified. */
657:
658: /* LINTED */
659: for (i = 0, err = type = 0; ! err &&
660: i < (int)n->args->argc; i++)
661: switch (n->args->argv[i].arg) {
1.38 schwarze 662: case (MDOC_Centred):
663: /* FALLTHROUGH */
1.1 kristaps 664: case (MDOC_Ragged):
665: /* FALLTHROUGH */
666: case (MDOC_Unfilled):
667: /* FALLTHROUGH */
668: case (MDOC_Filled):
669: /* FALLTHROUGH */
670: case (MDOC_Literal):
671: if (0 == type++)
672: break;
1.55 ! schwarze 673: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
! 674: return(0);
! 675: break;
1.1 kristaps 676: default:
677: break;
678: }
679:
680: if (type)
681: return(1);
1.55 ! schwarze 682: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
! 683: return(0);
1.1 kristaps 684: }
685:
686:
687: static int
688: pre_ss(PRE_ARGS)
689: {
690:
691: if (MDOC_BLOCK != n->type)
692: return(1);
693: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
694: }
695:
696:
697: static int
698: pre_sh(PRE_ARGS)
699: {
700:
701: if (MDOC_BLOCK != n->type)
702: return(1);
1.50 schwarze 703: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 704: }
705:
706:
707: static int
708: pre_it(PRE_ARGS)
709: {
710:
711: if (MDOC_BLOCK != n->type)
712: return(1);
1.55 ! schwarze 713: /*
! 714: * FIXME: this can probably be lifted if we make the It into
! 715: * something else on-the-fly?
! 716: */
1.1 kristaps 717: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
718: }
719:
720:
721: static int
722: pre_an(PRE_ARGS)
723: {
724:
725: if (NULL == n->args || 1 == n->args->argc)
726: return(1);
1.55 ! schwarze 727: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
! 728: n->line, n->pos,
! 729: "line arguments == 1 (have %d)",
! 730: n->args->argc);
! 731: return(0);
1.1 kristaps 732: }
733:
734:
735: static int
736: pre_rv(PRE_ARGS)
737: {
738:
739: return(check_stdarg(mdoc, n));
740: }
741:
742:
743: static int
744: pre_dt(PRE_ARGS)
745: {
1.40 schwarze 746:
747: /* FIXME: make sure is capitalised. */
1.1 kristaps 748:
749: if (0 == mdoc->meta.date || mdoc->meta.os)
1.55 ! schwarze 750: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 751: return(0);
752: if (mdoc->meta.title)
1.55 ! schwarze 753: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 754: return(0);
755: return(1);
756: }
757:
758:
759: static int
760: pre_os(PRE_ARGS)
761: {
762:
763: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.55 ! schwarze 764: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 765: return(0);
766: if (mdoc->meta.os)
1.55 ! schwarze 767: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 768: return(0);
769: return(1);
770: }
771:
772:
773: static int
774: pre_dd(PRE_ARGS)
775: {
776:
777: if (mdoc->meta.title || mdoc->meta.os)
1.55 ! schwarze 778: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 779: return(0);
780: if (mdoc->meta.date)
1.55 ! schwarze 781: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 782: return(0);
783: return(1);
784: }
785:
786:
787: static int
788: post_bf(POST_ARGS)
789: {
790: char *p;
791: struct mdoc_node *head;
792:
793: if (MDOC_BLOCK != mdoc->last->type)
794: return(1);
795:
796: head = mdoc->last->head;
797:
1.55 ! schwarze 798: if (mdoc->last->args && head->child) {
! 799: /* FIXME: this should provide a default. */
! 800: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
! 801: return(0);
! 802: } else if (mdoc->last->args)
1.10 schwarze 803: return(1);
804:
1.55 ! schwarze 805: if (NULL == head->child || MDOC_TEXT != head->child->type) {
! 806: /* FIXME: this should provide a default. */
! 807: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
! 808: return(0);
! 809: }
1.1 kristaps 810:
1.10 schwarze 811: p = head->child->string;
1.1 kristaps 812:
1.10 schwarze 813: if (0 == strcmp(p, "Em"))
814: return(1);
815: else if (0 == strcmp(p, "Li"))
816: return(1);
1.30 schwarze 817: else if (0 == strcmp(p, "Sy"))
1.10 schwarze 818: return(1);
1.1 kristaps 819:
1.55 ! schwarze 820: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
! 821: return(0);
1.27 schwarze 822: }
823:
824:
825: static int
826: post_lb(POST_ARGS)
827: {
828:
829: if (mdoc_a2lib(mdoc->last->child->string))
830: return(1);
1.55 ! schwarze 831: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.42 schwarze 832: }
833:
834:
835: static int
836: post_vt(POST_ARGS)
837: {
838: const struct mdoc_node *n;
839:
840: /*
841: * The Vt macro comes in both ELEM and BLOCK form, both of which
842: * have different syntaxes (yet more context-sensitive
843: * behaviour). ELEM types must have a child; BLOCK types,
844: * specifically the BODY, should only have TEXT children.
845: */
846:
847: if (MDOC_ELEM == mdoc->last->type)
848: return(eerr_ge1(mdoc));
849: if (MDOC_BODY != mdoc->last->type)
850: return(1);
851:
852: for (n = mdoc->last->child; n; n = n->next)
1.52 schwarze 853: if (MDOC_TEXT != n->type)
1.55 ! schwarze 854: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.42 schwarze 855: return(0);
856:
857: return(1);
1.1 kristaps 858: }
859:
860:
861: static int
862: post_nm(POST_ARGS)
863: {
864:
865: if (mdoc->last->child)
866: return(1);
867: if (mdoc->meta.name)
868: return(1);
1.55 ! schwarze 869: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 870: }
871:
872:
873: static int
874: post_at(POST_ARGS)
875: {
876:
877: if (NULL == mdoc->last->child)
878: return(1);
1.55 ! schwarze 879: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 880: if (mdoc_a2att(mdoc->last->child->string))
881: return(1);
1.55 ! schwarze 882: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 883: }
884:
885:
886: static int
887: post_an(POST_ARGS)
888: {
889:
890: if (mdoc->last->args) {
891: if (NULL == mdoc->last->child)
892: return(1);
1.55 ! schwarze 893: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 894: }
895:
896: if (mdoc->last->child)
897: return(1);
1.55 ! schwarze 898: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 899: }
900:
901:
902: static int
903: post_it(POST_ARGS)
904: {
905: int type, i, cols;
906: struct mdoc_node *n, *c;
907:
908: if (MDOC_BLOCK != mdoc->last->type)
909: return(1);
910:
911: n = mdoc->last->parent->parent;
1.55 ! schwarze 912: if (NULL == n->args) {
! 913: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
! 914: return(0);
! 915: }
1.1 kristaps 916:
917: /* Some types require block-head, some not. */
918:
919: /* LINTED */
920: for (cols = type = -1, i = 0; -1 == type &&
921: i < (int)n->args->argc; i++)
922: switch (n->args->argv[i].arg) {
923: case (MDOC_Tag):
924: /* FALLTHROUGH */
925: case (MDOC_Diag):
926: /* FALLTHROUGH */
927: case (MDOC_Hang):
928: /* FALLTHROUGH */
929: case (MDOC_Ohang):
930: /* FALLTHROUGH */
931: case (MDOC_Inset):
932: /* FALLTHROUGH */
933: case (MDOC_Bullet):
934: /* FALLTHROUGH */
935: case (MDOC_Dash):
936: /* FALLTHROUGH */
937: case (MDOC_Enum):
938: /* FALLTHROUGH */
939: case (MDOC_Hyphen):
940: /* FALLTHROUGH */
941: case (MDOC_Item):
942: type = n->args->argv[i].arg;
943: break;
944: case (MDOC_Column):
945: type = n->args->argv[i].arg;
946: cols = (int)n->args->argv[i].sz;
947: break;
948: default:
949: break;
950: }
951:
1.55 ! schwarze 952: if (-1 == type) {
! 953: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
! 954: return(0);
! 955: }
1.1 kristaps 956:
957: switch (type) {
958: case (MDOC_Tag):
959: if (NULL == mdoc->last->head->child)
1.55 ! schwarze 960: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 961: return(0);
962: break;
963: case (MDOC_Hang):
964: /* FALLTHROUGH */
965: case (MDOC_Ohang):
966: /* FALLTHROUGH */
967: case (MDOC_Inset):
968: /* FALLTHROUGH */
969: case (MDOC_Diag):
970: if (NULL == mdoc->last->head->child)
1.55 ! schwarze 971: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 972: return(0);
973: if (NULL == mdoc->last->body->child)
1.55 ! schwarze 974: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 975: return(0);
976: break;
977: case (MDOC_Bullet):
978: /* FALLTHROUGH */
979: case (MDOC_Dash):
980: /* FALLTHROUGH */
981: case (MDOC_Enum):
982: /* FALLTHROUGH */
983: case (MDOC_Hyphen):
984: /* FALLTHROUGH */
985: case (MDOC_Item):
986: if (mdoc->last->head->child)
1.55 ! schwarze 987: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 988: return(0);
989: if (NULL == mdoc->last->body->child)
1.55 ! schwarze 990: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 991: return(0);
992: break;
993: case (MDOC_Column):
994: if (NULL == mdoc->last->head->child)
1.55 ! schwarze 995: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 996: return(0);
997: if (mdoc->last->body->child)
1.55 ! schwarze 998: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BODYLOST))
1.1 kristaps 999: return(0);
1000: c = mdoc->last->child;
1001: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1002: i++;
1.32 schwarze 1003:
1.53 schwarze 1004: if (i < cols) {
1.55 ! schwarze 1005: if ( ! mdoc_vmsg(mdoc, MANDOCERR_ARGCOUNT,
! 1006: mdoc->last->line,
! 1007: mdoc->last->pos,
! 1008: "columns == %d (have %d)",
! 1009: cols, i))
1.32 schwarze 1010: return(0);
1.1 kristaps 1011: break;
1.53 schwarze 1012: } else if (i == cols || i == cols + 1)
1.32 schwarze 1013: break;
1014:
1.55 ! schwarze 1015: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
! 1016: mdoc->last->line, mdoc->last->pos,
! 1017: "columns == %d (have %d)", cols, i);
! 1018: return(0);
1.1 kristaps 1019: default:
1020: break;
1021: }
1022:
1023: return(1);
1024: }
1025:
1026:
1027: static int
1.11 schwarze 1028: post_bl_head(POST_ARGS)
1029: {
1030: int i;
1031: const struct mdoc_node *n;
1.48 schwarze 1032: const struct mdoc_argv *a;
1.11 schwarze 1033:
1034: n = mdoc->last->parent;
1035: assert(n->args);
1036:
1.48 schwarze 1037: for (i = 0; i < (int)n->args->argc; i++) {
1038: a = &n->args->argv[i];
1039: if (a->arg == MDOC_Column) {
1040: if (a->sz && mdoc->last->nchild)
1.55 ! schwarze 1041: return(mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS));
1.48 schwarze 1042: return(1);
1043: }
1044: }
1.11 schwarze 1045:
1.48 schwarze 1046: if (0 == (i = mdoc->last->nchild))
1.11 schwarze 1047: return(1);
1.48 schwarze 1048: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.11 schwarze 1049: }
1050:
1051:
1052: static int
1.1 kristaps 1053: post_bl(POST_ARGS)
1054: {
1055: struct mdoc_node *n;
1056:
1.11 schwarze 1057: if (MDOC_HEAD == mdoc->last->type)
1058: return(post_bl_head(mdoc));
1.1 kristaps 1059: if (MDOC_BODY != mdoc->last->type)
1060: return(1);
1061: if (NULL == mdoc->last->child)
1062: return(1);
1063:
1.41 schwarze 1064: /*
1065: * We only allow certain children of `Bl'. This is usually on
1066: * `It', but apparently `Sm' occurs here and there, so we let
1067: * that one through, too.
1068: */
1069:
1.1 kristaps 1070: /* LINTED */
1071: for (n = mdoc->last->child; n; n = n->next) {
1.41 schwarze 1072: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1073: continue;
1074: if (MDOC_Sm == n->tok)
1075: continue;
1.55 ! schwarze 1076: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
! 1077: return(0);
1.1 kristaps 1078: }
1079:
1080: return(1);
1081: }
1082:
1083:
1084: static int
1085: ebool(struct mdoc *mdoc)
1086: {
1087: struct mdoc_node *n;
1088:
1089: /* LINTED */
1090: for (n = mdoc->last->child; n; n = n->next) {
1091: if (MDOC_TEXT != n->type)
1092: break;
1093: if (0 == strcmp(n->string, "on"))
1094: continue;
1095: if (0 == strcmp(n->string, "off"))
1096: continue;
1097: break;
1098: }
1099:
1100: if (NULL == n)
1101: return(1);
1.55 ! schwarze 1102: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1103: }
1104:
1105:
1106: static int
1107: post_root(POST_ARGS)
1108: {
1109:
1110: if (NULL == mdoc->first->child)
1.55 ! schwarze 1111: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
! 1112: else if ( ! (MDOC_PBODY & mdoc->flags))
! 1113: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
! 1114: else if (MDOC_BLOCK != mdoc->first->child->type)
! 1115: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
! 1116: else if (MDOC_Sh != mdoc->first->child->tok)
! 1117: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
! 1118: else
! 1119: return(1);
1.1 kristaps 1120:
1.55 ! schwarze 1121: return(0);
1.1 kristaps 1122: }
1123:
1124:
1125: static int
1126: post_st(POST_ARGS)
1127: {
1128:
1129: if (mdoc_a2st(mdoc->last->child->string))
1130: return(1);
1.55 ! schwarze 1131: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.36 schwarze 1132: }
1133:
1134:
1135: static int
1136: post_rs(POST_ARGS)
1137: {
1138: struct mdoc_node *nn;
1139:
1140: if (MDOC_BODY != mdoc->last->type)
1141: return(1);
1142:
1143: for (nn = mdoc->last->child; nn; nn = nn->next)
1144: switch (nn->tok) {
1.38 schwarze 1145: case(MDOC__U):
1146: /* FALLTHROUGH */
1.36 schwarze 1147: case(MDOC__Q):
1148: /* FALLTHROUGH */
1149: case(MDOC__C):
1150: /* FALLTHROUGH */
1151: case(MDOC__A):
1152: /* FALLTHROUGH */
1153: case(MDOC__B):
1154: /* FALLTHROUGH */
1155: case(MDOC__D):
1156: /* FALLTHROUGH */
1157: case(MDOC__I):
1158: /* FALLTHROUGH */
1159: case(MDOC__J):
1160: /* FALLTHROUGH */
1161: case(MDOC__N):
1162: /* FALLTHROUGH */
1163: case(MDOC__O):
1164: /* FALLTHROUGH */
1165: case(MDOC__P):
1166: /* FALLTHROUGH */
1167: case(MDOC__R):
1168: /* FALLTHROUGH */
1169: case(MDOC__T):
1170: /* FALLTHROUGH */
1171: case(MDOC__V):
1172: break;
1173: default:
1.55 ! schwarze 1174: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
! 1175: return(0);
1.36 schwarze 1176: }
1177:
1178: return(1);
1.1 kristaps 1179: }
1180:
1181:
1182: static int
1183: post_sh(POST_ARGS)
1184: {
1185:
1186: if (MDOC_HEAD == mdoc->last->type)
1187: return(post_sh_head(mdoc));
1188: if (MDOC_BODY == mdoc->last->type)
1189: return(post_sh_body(mdoc));
1190:
1191: return(1);
1192: }
1193:
1194:
1195: static int
1196: post_sh_body(POST_ARGS)
1197: {
1198: struct mdoc_node *n;
1199:
1.26 schwarze 1200: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1201: return(1);
1202:
1203: /*
1204: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1205: * macros (can have multiple `Nm' and one `Nd'). Note that the
1206: * children of the BODY declaration can also be "text".
1207: */
1208:
1209: if (NULL == (n = mdoc->last->child))
1.55 ! schwarze 1210: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1211:
1212: for ( ; n && n->next; n = n->next) {
1213: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1214: continue;
1215: if (MDOC_TEXT == n->type)
1216: continue;
1.55 ! schwarze 1217: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1218: return(0);
1219: }
1220:
1.34 schwarze 1221: assert(n);
1.25 schwarze 1222: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1223: return(1);
1.55 ! schwarze 1224: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1225: }
1226:
1227:
1228: static int
1229: post_sh_head(POST_ARGS)
1230: {
1231: char buf[64];
1232: enum mdoc_sec sec;
1233: const struct mdoc_node *n;
1234:
1235: /*
1236: * Process a new section. Sections are either "named" or
1237: * "custom"; custom sections are user-defined, while named ones
1238: * usually follow a conventional order and may only appear in
1239: * certain manual sections.
1240: */
1241:
1.55 ! schwarze 1242: buf[0] = '\0';
! 1243:
! 1244: /*
! 1245: * FIXME: yes, these can use a dynamic buffer, but I don't do so
! 1246: * in the interests of simplicity.
! 1247: */
1.1 kristaps 1248:
1249: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1250: /* XXX - copied from compact(). */
1.1 kristaps 1251: assert(MDOC_TEXT == n->type);
1.9 schwarze 1252:
1.55 ! schwarze 1253: if (strlcat(buf, n->string, 64) >= 64) {
! 1254: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
! 1255: return(0);
! 1256: }
1.1 kristaps 1257: if (NULL == n->next)
1258: continue;
1.55 ! schwarze 1259: if (strlcat(buf, " ", 64) >= 64) {
! 1260: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
! 1261: return(0);
! 1262: }
1.1 kristaps 1263: }
1264:
1.51 schwarze 1265: sec = mdoc_str2sec(buf);
1.1 kristaps 1266:
1.9 schwarze 1267: /*
1268: * Check: NAME should always be first, CUSTOM has no roles,
1269: * non-CUSTOM has a conventional order to be followed.
1270: */
1.1 kristaps 1271:
1.51 schwarze 1272: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.55 ! schwarze 1273: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.51 schwarze 1274: return(0);
1275:
1.1 kristaps 1276: if (SEC_CUSTOM == sec)
1277: return(1);
1.51 schwarze 1278:
1.1 kristaps 1279: if (sec == mdoc->lastnamed)
1.55 ! schwarze 1280: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.23 schwarze 1281: return(0);
1.51 schwarze 1282:
1.1 kristaps 1283: if (sec < mdoc->lastnamed)
1.55 ! schwarze 1284: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.23 schwarze 1285: return(0);
1.1 kristaps 1286:
1.9 schwarze 1287: /*
1288: * Check particular section/manual conventions. LIBRARY can
1.54 schwarze 1289: * only occur in manual section 2, 3, and 9.
1.9 schwarze 1290: */
1.1 kristaps 1291:
1292: switch (sec) {
1293: case (SEC_LIBRARY):
1.54 schwarze 1294: assert(mdoc->meta.msec);
1295: if (*mdoc->meta.msec == '2')
1296: break;
1297: if (*mdoc->meta.msec == '3')
1298: break;
1299: if (*mdoc->meta.msec == '9')
1.1 kristaps 1300: break;
1.55 ! schwarze 1301: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1302: default:
1303: break;
1304: }
1305:
1306: return(1);
1307: }
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