Annotation of src/usr.bin/mandoc/mdoc_validate.c, Revision 1.72
1.72 ! schwarze 1: /* $Id: mdoc_validate.c,v 1.71 2010/10/16 13:38:29 schwarze Exp $ */
1.1 kristaps 2: /*
1.65 schwarze 3: * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
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>
1.57 schwarze 22: #include <stdio.h>
1.1 kristaps 23: #include <stdlib.h>
24: #include <string.h>
25:
1.55 schwarze 26: #include "mandoc.h"
1.1 kristaps 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:
1.60 schwarze 32: #define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n
1.28 schwarze 33: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 34:
1.72 ! schwarze 35: enum check_ineq {
! 36: CHECK_LT,
! 37: CHECK_GT,
! 38: CHECK_EQ
! 39: };
! 40:
! 41: enum check_lvl {
! 42: CHECK_WARN,
! 43: CHECK_ERROR,
! 44: CHECK_FATAL
! 45: };
! 46:
1.1 kristaps 47: typedef int (*v_pre)(PRE_ARGS);
48: typedef int (*v_post)(POST_ARGS);
49:
50: struct valids {
51: v_pre *pre;
52: v_post *post;
53: };
54:
1.72 ! schwarze 55: static int check_count(struct mdoc *, enum mdoc_type,
! 56: enum check_lvl, enum check_ineq, int);
1.44 schwarze 57: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.28 schwarze 58: static int check_stdarg(PRE_ARGS);
1.61 schwarze 59: static int check_text(struct mdoc *, int, int, char *);
1.28 schwarze 60: static int check_argv(struct mdoc *,
1.61 schwarze 61: struct mdoc_node *, struct mdoc_argv *);
62: static int check_args(struct mdoc *, struct mdoc_node *);
1.28 schwarze 63:
1.72 ! schwarze 64: static int ebool(POST_ARGS);
1.28 schwarze 65: static int berr_ge1(POST_ARGS);
66: static int bwarn_ge1(POST_ARGS);
1.72 ! schwarze 67: static int eerr_eq0(POST_ARGS);
1.28 schwarze 68: static int eerr_eq1(POST_ARGS);
69: static int eerr_ge1(POST_ARGS);
1.37 schwarze 70: static int eerr_le1(POST_ARGS);
1.69 schwarze 71: static int ewarn_eq0(POST_ARGS);
1.28 schwarze 72: static int ewarn_ge1(POST_ARGS);
73: static int herr_eq0(POST_ARGS);
74: static int herr_ge1(POST_ARGS);
1.72 ! schwarze 75: static int hwarn_eq0(POST_ARGS);
1.28 schwarze 76: static int hwarn_eq1(POST_ARGS);
77: static int hwarn_le1(POST_ARGS);
78:
79: static int post_an(POST_ARGS);
80: static int post_at(POST_ARGS);
81: static int post_bf(POST_ARGS);
82: static int post_bl(POST_ARGS);
83: static int post_bl_head(POST_ARGS);
1.60 schwarze 84: static int post_dt(POST_ARGS);
1.28 schwarze 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);
1.59 schwarze 94: static int post_eoln(POST_ARGS);
1.42 schwarze 95: static int post_vt(POST_ARGS);
1.28 schwarze 96: static int pre_an(PRE_ARGS);
97: static int pre_bd(PRE_ARGS);
98: static int pre_bl(PRE_ARGS);
99: static int pre_dd(PRE_ARGS);
100: static int pre_display(PRE_ARGS);
101: static int pre_dt(PRE_ARGS);
102: static int pre_it(PRE_ARGS);
103: static int pre_os(PRE_ARGS);
1.70 schwarze 104: static int pre_pp(PRE_ARGS);
1.28 schwarze 105: static int pre_rv(PRE_ARGS);
106: static int pre_sh(PRE_ARGS);
107: static int pre_ss(PRE_ARGS);
108:
109: static v_post posts_an[] = { post_an, NULL };
110: static v_post posts_at[] = { post_at, NULL };
1.62 schwarze 111: static v_post posts_bd_bk[] = { hwarn_eq0, bwarn_ge1, NULL };
1.28 schwarze 112: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
113: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
114: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
1.59 schwarze 115: static v_post posts_eoln[] = { post_eoln, NULL };
1.60 schwarze 116: static v_post posts_dt[] = { post_dt, NULL };
1.28 schwarze 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 };
1.69 schwarze 122: static v_post posts_notext[] = { ewarn_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 };
1.42 schwarze 130: static v_post posts_vt[] = { post_vt, NULL };
1.28 schwarze 131: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
132: static v_post posts_wtext[] = { ewarn_ge1, NULL };
133: static v_pre pres_an[] = { pre_an, NULL };
1.70 schwarze 134: static v_pre pres_bd[] = { pre_display, pre_bd, pre_pp, NULL };
135: static v_pre pres_bl[] = { pre_bl, pre_pp, NULL };
1.28 schwarze 136: static v_pre pres_d1[] = { pre_display, NULL };
137: static v_pre pres_dd[] = { pre_dd, NULL };
138: static v_pre pres_dt[] = { pre_dt, NULL };
1.48 schwarze 139: static v_pre pres_er[] = { NULL, NULL };
1.53 schwarze 140: static v_pre pres_ex[] = { NULL, NULL };
141: static v_pre pres_fd[] = { NULL, NULL };
1.28 schwarze 142: static v_pre pres_it[] = { pre_it, NULL };
143: static v_pre pres_os[] = { pre_os, NULL };
1.70 schwarze 144: static v_pre pres_pp[] = { pre_pp, NULL };
1.28 schwarze 145: static v_pre pres_rv[] = { pre_rv, NULL };
146: static v_pre pres_sh[] = { pre_sh, NULL };
147: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 148:
149: const struct valids mdoc_valids[MDOC_MAX] = {
1.7 schwarze 150: { NULL, NULL }, /* Ap */
1.67 schwarze 151: { pres_dd, posts_wtext }, /* Dd */
1.60 schwarze 152: { pres_dt, posts_dt }, /* Dt */
1.1 kristaps 153: { pres_os, NULL }, /* Os */
154: { pres_sh, posts_sh }, /* Sh */
155: { pres_ss, posts_ss }, /* Ss */
1.70 schwarze 156: { pres_pp, posts_notext }, /* Pp */
1.1 kristaps 157: { pres_d1, posts_wline }, /* D1 */
158: { pres_d1, posts_wline }, /* Dl */
1.65 schwarze 159: { pres_bd, posts_bd_bk }, /* Bd */
1.1 kristaps 160: { NULL, NULL }, /* Ed */
161: { pres_bl, posts_bl }, /* Bl */
162: { NULL, NULL }, /* El */
163: { pres_it, posts_it }, /* It */
164: { NULL, posts_text }, /* Ad */
165: { pres_an, posts_an }, /* An */
166: { NULL, NULL }, /* Ar */
1.50 schwarze 167: { NULL, posts_text }, /* Cd */
1.1 kristaps 168: { NULL, NULL }, /* Cm */
169: { NULL, NULL }, /* Dv */
170: { pres_er, posts_text }, /* Er */
171: { NULL, NULL }, /* Ev */
1.35 schwarze 172: { pres_ex, NULL }, /* Ex */
1.1 kristaps 173: { NULL, NULL }, /* Fa */
174: { pres_fd, posts_wtext }, /* Fd */
175: { NULL, NULL }, /* Fl */
176: { NULL, posts_text }, /* Fn */
177: { NULL, posts_wtext }, /* Ft */
178: { NULL, posts_text }, /* Ic */
1.38 schwarze 179: { NULL, posts_text1 }, /* In */
1.1 kristaps 180: { NULL, NULL }, /* Li */
1.25 schwarze 181: { NULL, posts_nd }, /* Nd */
1.1 kristaps 182: { NULL, posts_nm }, /* Nm */
183: { NULL, posts_wline }, /* Op */
184: { NULL, NULL }, /* Ot */
185: { NULL, NULL }, /* Pa */
1.35 schwarze 186: { pres_rv, NULL }, /* Rv */
1.1 kristaps 187: { NULL, posts_st }, /* St */
188: { NULL, NULL }, /* Va */
1.42 schwarze 189: { NULL, posts_vt }, /* Vt */
1.59 schwarze 190: { NULL, posts_wtext }, /* Xr */
1.1 kristaps 191: { NULL, posts_text }, /* %A */
1.37 schwarze 192: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.40 schwarze 193: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 194: { NULL, posts_text }, /* %I */
195: { NULL, posts_text }, /* %J */
196: { NULL, posts_text }, /* %N */
197: { NULL, posts_text }, /* %O */
198: { NULL, posts_text }, /* %P */
199: { NULL, posts_text }, /* %R */
1.37 schwarze 200: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 201: { NULL, posts_text }, /* %V */
202: { NULL, NULL }, /* Ac */
203: { NULL, NULL }, /* Ao */
204: { NULL, posts_wline }, /* Aq */
205: { NULL, posts_at }, /* At */
206: { NULL, NULL }, /* Bc */
207: { NULL, posts_bf }, /* Bf */
208: { NULL, NULL }, /* Bo */
209: { NULL, posts_wline }, /* Bq */
210: { NULL, NULL }, /* Bsx */
211: { NULL, NULL }, /* Bx */
212: { NULL, posts_bool }, /* Db */
213: { NULL, NULL }, /* Dc */
214: { NULL, NULL }, /* Do */
215: { NULL, posts_wline }, /* Dq */
216: { NULL, NULL }, /* Ec */
217: { NULL, NULL }, /* Ef */
218: { NULL, NULL }, /* Em */
219: { NULL, NULL }, /* Eo */
220: { NULL, NULL }, /* Fx */
221: { NULL, posts_text }, /* Ms */
222: { NULL, posts_notext }, /* No */
223: { NULL, posts_notext }, /* Ns */
224: { NULL, NULL }, /* Nx */
225: { NULL, NULL }, /* Ox */
226: { NULL, NULL }, /* Pc */
1.38 schwarze 227: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 228: { NULL, NULL }, /* Po */
229: { NULL, posts_wline }, /* Pq */
230: { NULL, NULL }, /* Qc */
231: { NULL, posts_wline }, /* Ql */
232: { NULL, NULL }, /* Qo */
233: { NULL, posts_wline }, /* Qq */
234: { NULL, NULL }, /* Re */
1.36 schwarze 235: { NULL, posts_rs }, /* Rs */
1.1 kristaps 236: { NULL, NULL }, /* Sc */
237: { NULL, NULL }, /* So */
238: { NULL, posts_wline }, /* Sq */
239: { NULL, posts_bool }, /* Sm */
240: { NULL, posts_text }, /* Sx */
241: { NULL, posts_text }, /* Sy */
242: { NULL, posts_text }, /* Tn */
243: { NULL, NULL }, /* Ux */
244: { NULL, NULL }, /* Xc */
245: { NULL, NULL }, /* Xo */
246: { NULL, posts_fo }, /* Fo */
247: { NULL, NULL }, /* Fc */
248: { NULL, NULL }, /* Oo */
249: { NULL, NULL }, /* Oc */
1.62 schwarze 250: { NULL, posts_bd_bk }, /* Bk */
1.1 kristaps 251: { NULL, NULL }, /* Ek */
1.59 schwarze 252: { NULL, posts_eoln }, /* Bt */
1.1 kristaps 253: { NULL, NULL }, /* Hf */
254: { NULL, NULL }, /* Fr */
1.59 schwarze 255: { NULL, posts_eoln }, /* Ud */
256: { NULL, posts_lb }, /* Lb */
1.31 schwarze 257: { NULL, posts_notext }, /* Lp */
1.38 schwarze 258: { NULL, posts_text }, /* Lk */
1.1 kristaps 259: { NULL, posts_text }, /* Mt */
260: { NULL, posts_wline }, /* Brq */
261: { NULL, NULL }, /* Bro */
262: { NULL, NULL }, /* Brc */
263: { NULL, posts_text }, /* %C */
264: { NULL, NULL }, /* Es */
265: { NULL, NULL }, /* En */
266: { NULL, NULL }, /* Dx */
267: { NULL, posts_text }, /* %Q */
1.31 schwarze 268: { NULL, posts_notext }, /* br */
1.70 schwarze 269: { pres_pp, posts_sp }, /* sp */
1.38 schwarze 270: { NULL, posts_text1 }, /* %U */
1.60 schwarze 271: { NULL, NULL }, /* Ta */
1.71 schwarze 272: { NULL, NULL }, /* TS */
273: { NULL, NULL }, /* TE */
1.1 kristaps 274: };
275:
276:
277: int
1.60 schwarze 278: mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
1.1 kristaps 279: {
280: v_pre *p;
281: int line, pos;
1.61 schwarze 282: char *tp;
1.1 kristaps 283:
284: if (MDOC_TEXT == n->type) {
285: tp = n->string;
286: line = n->line;
287: pos = n->pos;
288: return(check_text(mdoc, line, pos, tp));
289: }
290:
291: if ( ! check_args(mdoc, n))
292: return(0);
293: if (NULL == mdoc_valids[n->tok].pre)
294: return(1);
295: for (p = mdoc_valids[n->tok].pre; *p; p++)
296: if ( ! (*p)(mdoc, n))
297: return(0);
298: return(1);
299: }
300:
301:
302: int
303: mdoc_valid_post(struct mdoc *mdoc)
304: {
305: v_post *p;
306:
307: if (MDOC_VALID & mdoc->last->flags)
308: return(1);
309: mdoc->last->flags |= MDOC_VALID;
310:
311: if (MDOC_TEXT == mdoc->last->type)
312: return(1);
313: if (MDOC_ROOT == mdoc->last->type)
314: return(post_root(mdoc));
315:
316: if (NULL == mdoc_valids[mdoc->last->tok].post)
317: return(1);
318: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
319: if ( ! (*p)(mdoc))
320: return(0);
321:
322: return(1);
323: }
324:
1.72 ! schwarze 325: static int
! 326: check_count(struct mdoc *m, enum mdoc_type type,
! 327: enum check_lvl lvl, enum check_ineq ineq, int val)
! 328: {
! 329: const char *p;
! 330:
! 331: if (m->last->type != type)
! 332: return(1);
! 333:
! 334: switch (ineq) {
! 335: case (CHECK_LT):
! 336: p = "less than ";
! 337: if (m->last->nchild < val)
! 338: return(1);
! 339: break;
! 340: case (CHECK_GT):
! 341: p = "greater than ";
! 342: if (m->last->nchild > val)
! 343: return(1);
! 344: break;
! 345: case (CHECK_EQ):
! 346: p = "";
! 347: if (val == m->last->nchild)
! 348: return(1);
! 349: break;
! 350: }
! 351:
! 352: if (CHECK_WARN == lvl) {
! 353: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
! 354: m->last->line, m->last->pos,
! 355: "want %s%d children (have %d)",
! 356: p, val, m->last->nchild));
! 357: }
! 358:
! 359: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
! 360: m->last->line, m->last->pos,
! 361: "require %s%d children (have %d)",
! 362: p, val, m->last->nchild));
! 363: }
! 364:
! 365: static int
! 366: berr_ge1(POST_ARGS)
! 367: {
! 368:
! 369: return(check_count(mdoc, MDOC_BODY, CHECK_FATAL, CHECK_GT, 0));
! 370: }
! 371:
! 372: static int
! 373: bwarn_ge1(POST_ARGS)
! 374: {
! 375: return(check_count(mdoc, MDOC_BODY, CHECK_WARN, CHECK_GT, 0));
! 376: }
! 377:
! 378: static int
! 379: eerr_eq0(POST_ARGS)
! 380: {
! 381: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 0));
! 382: }
1.1 kristaps 383:
1.72 ! schwarze 384: static int
! 385: eerr_eq1(POST_ARGS)
1.1 kristaps 386: {
1.72 ! schwarze 387: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_EQ, 1));
! 388: }
1.1 kristaps 389:
1.72 ! schwarze 390: static int
! 391: eerr_ge1(POST_ARGS)
! 392: {
! 393: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_GT, 0));
1.1 kristaps 394: }
395:
1.72 ! schwarze 396: static int
! 397: eerr_le1(POST_ARGS)
! 398: {
! 399: return(check_count(mdoc, MDOC_ELEM, CHECK_FATAL, CHECK_LT, 2));
! 400: }
1.1 kristaps 401:
1.72 ! schwarze 402: static int
! 403: ewarn_eq0(POST_ARGS)
1.1 kristaps 404: {
1.72 ! schwarze 405: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_EQ, 0));
! 406: }
1.1 kristaps 407:
1.72 ! schwarze 408: static int
! 409: ewarn_ge1(POST_ARGS)
! 410: {
! 411: return(check_count(mdoc, MDOC_ELEM, CHECK_WARN, CHECK_GT, 0));
1.1 kristaps 412: }
413:
1.72 ! schwarze 414: static int
! 415: herr_eq0(POST_ARGS)
! 416: {
! 417: return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_EQ, 0));
! 418: }
1.1 kristaps 419:
1.72 ! schwarze 420: static int
! 421: herr_ge1(POST_ARGS)
! 422: {
! 423: return(check_count(mdoc, MDOC_HEAD, CHECK_FATAL, CHECK_GT, 0));
! 424: }
1.1 kristaps 425:
1.72 ! schwarze 426: static int
! 427: hwarn_eq0(POST_ARGS)
! 428: {
! 429: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 0));
1.1 kristaps 430: }
431:
1.72 ! schwarze 432: static int
! 433: hwarn_eq1(POST_ARGS)
! 434: {
! 435: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_EQ, 1));
! 436: }
1.1 kristaps 437:
1.72 ! schwarze 438: static int
! 439: hwarn_le1(POST_ARGS)
! 440: {
! 441: return(check_count(mdoc, MDOC_HEAD, CHECK_WARN, CHECK_LT, 2));
! 442: }
1.1 kristaps 443:
444:
445: static int
446: check_stdarg(PRE_ARGS)
447: {
448:
449: if (n->args && 1 == n->args->argc)
450: if (MDOC_Std == n->args->argv[0].arg)
451: return(1);
1.55 schwarze 452: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 453: }
454:
455:
456: static int
1.61 schwarze 457: check_args(struct mdoc *m, struct mdoc_node *n)
1.1 kristaps 458: {
459: int i;
460:
461: if (NULL == n->args)
462: return(1);
463:
464: assert(n->args->argc);
465: for (i = 0; i < (int)n->args->argc; i++)
466: if ( ! check_argv(m, n, &n->args->argv[i]))
467: return(0);
468:
469: return(1);
470: }
471:
472:
473: static int
1.61 schwarze 474: check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
1.1 kristaps 475: {
476: int i;
477:
478: for (i = 0; i < (int)v->sz; i++)
479: if ( ! check_text(m, v->line, v->pos, v->value[i]))
480: return(0);
481:
482: if (MDOC_Std == v->arg) {
483: if (v->sz || m->meta.name)
484: return(1);
1.55 schwarze 485: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
486: return(0);
1.1 kristaps 487: }
488:
489: return(1);
490: }
491:
492:
493: static int
1.66 schwarze 494: check_text(struct mdoc *m, int ln, int pos, char *p)
1.1 kristaps 495: {
1.15 schwarze 496: int c;
1.66 schwarze 497: size_t sz;
1.1 kristaps 498:
1.66 schwarze 499: for ( ; *p; p++, pos++) {
500: sz = strcspn(p, "\t\\");
501: p += (int)sz;
502:
503: if ('\0' == *p)
504: break;
505:
506: pos += (int)sz;
1.65 schwarze 507:
1.1 kristaps 508: if ('\t' == *p) {
1.66 schwarze 509: if (MDOC_LITERAL & m->flags)
510: continue;
511: if (mdoc_pmsg(m, ln, pos, MANDOCERR_BADTAB))
512: continue;
513: return(0);
514: }
1.1 kristaps 515:
1.66 schwarze 516: /* Check the special character. */
1.1 kristaps 517:
1.15 schwarze 518: c = mandoc_special(p);
1.1 kristaps 519: if (c) {
1.15 schwarze 520: p += c - 1;
521: pos += c - 1;
1.68 schwarze 522: } else
523: mdoc_pmsg(m, ln, pos, MANDOCERR_BADESCAPE);
1.1 kristaps 524: }
525:
526: return(1);
527: }
528:
529:
530: static int
1.44 schwarze 531: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 532: {
533:
534: assert(n->parent);
535: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
536: (t == n->parent->type))
537: return(1);
538:
1.55 schwarze 539: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
540: n->line, n->pos, "want parent %s",
541: MDOC_ROOT == t ? "<root>" :
542: mdoc_macronames[tok]);
543: return(0);
1.1 kristaps 544: }
545:
546:
547: static int
548: pre_display(PRE_ARGS)
549: {
550: struct mdoc_node *node;
551:
552: /* Display elements (`Bd', `D1'...) cannot be nested. */
553:
554: if (MDOC_BLOCK != n->type)
555: return(1);
556:
557: /* LINTED */
558: for (node = mdoc->last->parent; node; node = node->parent)
559: if (MDOC_BLOCK == node->type)
560: if (MDOC_Bd == node->tok)
561: break;
562: if (NULL == node)
563: return(1);
564:
1.55 schwarze 565: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
566: return(0);
1.1 kristaps 567: }
568:
569:
570: static int
571: pre_bl(PRE_ARGS)
572: {
1.65 schwarze 573: int i, comp, dup;
574: const char *offs, *width;
575: enum mdoc_list lt;
576: struct mdoc_node *np;
1.1 kristaps 577:
1.60 schwarze 578: if (MDOC_BLOCK != n->type) {
1.65 schwarze 579: if (ENDBODY_NOT != n->end) {
580: assert(n->pending);
581: np = n->pending->parent;
582: } else
583: np = n->parent;
584:
585: assert(np);
586: assert(MDOC_BLOCK == np->type);
587: assert(MDOC_Bl == np->tok);
588: assert(np->data.Bl);
589: n->data.Bl = np->data.Bl;
1.1 kristaps 590: return(1);
1.55 schwarze 591: }
1.1 kristaps 592:
1.60 schwarze 593: /*
594: * First figure out which kind of list to use: bind ourselves to
595: * the first mentioned list type and warn about any remaining
596: * ones. If we find no list type, we default to LIST_item.
597: */
1.1 kristaps 598:
1.65 schwarze 599: assert(NULL == n->data.Bl);
600: n->data.Bl = mandoc_calloc(1, sizeof(struct mdoc_bl));
1.1 kristaps 601:
602: /* LINTED */
1.60 schwarze 603: for (i = 0; n->args && i < (int)n->args->argc; i++) {
604: lt = LIST__NONE;
1.61 schwarze 605: dup = comp = 0;
606: width = offs = NULL;
1.60 schwarze 607: switch (n->args->argv[i].arg) {
608: /* Set list types. */
1.1 kristaps 609: case (MDOC_Bullet):
1.60 schwarze 610: lt = LIST_bullet;
611: break;
1.1 kristaps 612: case (MDOC_Dash):
1.60 schwarze 613: lt = LIST_dash;
614: break;
1.1 kristaps 615: case (MDOC_Enum):
1.60 schwarze 616: lt = LIST_enum;
617: break;
1.1 kristaps 618: case (MDOC_Hyphen):
1.60 schwarze 619: lt = LIST_hyphen;
620: break;
1.1 kristaps 621: case (MDOC_Item):
1.60 schwarze 622: lt = LIST_item;
623: break;
1.1 kristaps 624: case (MDOC_Tag):
1.60 schwarze 625: lt = LIST_tag;
626: break;
1.1 kristaps 627: case (MDOC_Diag):
1.60 schwarze 628: lt = LIST_diag;
629: break;
1.1 kristaps 630: case (MDOC_Hang):
1.60 schwarze 631: lt = LIST_hang;
632: break;
1.1 kristaps 633: case (MDOC_Ohang):
1.60 schwarze 634: lt = LIST_ohang;
635: break;
1.1 kristaps 636: case (MDOC_Inset):
1.60 schwarze 637: lt = LIST_inset;
638: break;
1.1 kristaps 639: case (MDOC_Column):
1.60 schwarze 640: lt = LIST_column;
641: break;
642: /* Set list arguments. */
1.37 schwarze 643: case (MDOC_Compact):
1.65 schwarze 644: dup = n->data.Bl->comp;
1.61 schwarze 645: comp = 1;
1.60 schwarze 646: break;
1.1 kristaps 647: case (MDOC_Width):
1.65 schwarze 648: dup = (NULL != n->data.Bl->width);
1.61 schwarze 649: width = n->args->argv[i].value[0];
1.5 schwarze 650: break;
1.1 kristaps 651: case (MDOC_Offset):
1.61 schwarze 652: /* NB: this can be empty! */
653: if (n->args->argv[i].sz) {
654: offs = n->args->argv[i].value[0];
1.65 schwarze 655: dup = (NULL != n->data.Bl->offs);
1.61 schwarze 656: break;
657: }
658: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
659: return(0);
1.1 kristaps 660: break;
1.66 schwarze 661: default:
662: continue;
1.1 kristaps 663: }
664:
1.60 schwarze 665: /* Check: duplicate auxiliary arguments. */
666:
1.61 schwarze 667: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
668: return(0);
669:
670: if (comp && ! dup)
1.65 schwarze 671: n->data.Bl->comp = comp;
1.61 schwarze 672: if (offs && ! dup)
1.65 schwarze 673: n->data.Bl->offs = offs;
1.61 schwarze 674: if (width && ! dup)
1.65 schwarze 675: n->data.Bl->width = width;
1.60 schwarze 676:
677: /* Check: multiple list types. */
678:
1.65 schwarze 679: if (LIST__NONE != lt && n->data.Bl->type != LIST__NONE)
1.60 schwarze 680: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
681: return(0);
682:
683: /* Assign list type. */
684:
1.65 schwarze 685: if (LIST__NONE != lt && n->data.Bl->type == LIST__NONE) {
686: n->data.Bl->type = lt;
687: /* Set column information, too. */
688: if (LIST_column == lt) {
689: n->data.Bl->ncols =
690: n->args->argv[i].sz;
691: n->data.Bl->cols = (const char **)
692: n->args->argv[i].value;
693: }
694: }
1.60 schwarze 695:
696: /* The list type should come first. */
697:
1.65 schwarze 698: if (n->data.Bl->type == LIST__NONE)
699: if (n->data.Bl->width ||
700: n->data.Bl->offs ||
701: n->data.Bl->comp)
1.60 schwarze 702: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
703: return(0);
704:
705: continue;
706: }
707:
708: /* Allow lists to default to LIST_item. */
709:
1.65 schwarze 710: if (LIST__NONE == n->data.Bl->type) {
1.60 schwarze 711: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
712: return(0);
1.65 schwarze 713: n->data.Bl->type = LIST_item;
1.55 schwarze 714: }
1.1 kristaps 715:
1.5 schwarze 716: /*
717: * Validate the width field. Some list types don't need width
718: * types and should be warned about them. Others should have it
719: * and must also be warned.
720: */
721:
1.65 schwarze 722: switch (n->data.Bl->type) {
1.60 schwarze 723: case (LIST_tag):
1.65 schwarze 724: if (n->data.Bl->width)
1.60 schwarze 725: break;
726: if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
727: break;
728: return(0);
729: case (LIST_column):
1.1 kristaps 730: /* FALLTHROUGH */
1.60 schwarze 731: case (LIST_diag):
1.1 kristaps 732: /* FALLTHROUGH */
1.60 schwarze 733: case (LIST_ohang):
1.40 schwarze 734: /* FALLTHROUGH */
1.60 schwarze 735: case (LIST_inset):
1.1 kristaps 736: /* FALLTHROUGH */
1.60 schwarze 737: case (LIST_item):
1.65 schwarze 738: if (NULL == n->data.Bl->width)
1.60 schwarze 739: break;
740: if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
741: break;
742: return(0);
1.5 schwarze 743: default:
744: break;
745: }
746:
1.1 kristaps 747: return(1);
748: }
749:
750:
751: static int
752: pre_bd(PRE_ARGS)
753: {
1.65 schwarze 754: int i, dup, comp;
755: enum mdoc_disp dt;
756: const char *offs;
757: struct mdoc_node *np;
1.1 kristaps 758:
1.61 schwarze 759: if (MDOC_BLOCK != n->type) {
1.65 schwarze 760: if (ENDBODY_NOT != n->end) {
761: assert(n->pending);
762: np = n->pending->parent;
763: } else
764: np = n->parent;
765:
766: assert(np);
767: assert(MDOC_BLOCK == np->type);
768: assert(MDOC_Bd == np->tok);
769: assert(np->data.Bd);
770: n->data.Bd = np->data.Bd;
1.1 kristaps 771: return(1);
1.55 schwarze 772: }
1.1 kristaps 773:
1.65 schwarze 774: assert(NULL == n->data.Bd);
775: n->data.Bd = mandoc_calloc(1, sizeof(struct mdoc_bd));
1.1 kristaps 776:
777: /* LINTED */
1.61 schwarze 778: for (i = 0; n->args && i < (int)n->args->argc; i++) {
779: dt = DISP__NONE;
780: dup = comp = 0;
781: offs = NULL;
782:
1.1 kristaps 783: switch (n->args->argv[i].arg) {
1.38 schwarze 784: case (MDOC_Centred):
1.61 schwarze 785: dt = DISP_centred;
786: break;
1.1 kristaps 787: case (MDOC_Ragged):
1.61 schwarze 788: dt = DISP_ragged;
789: break;
1.1 kristaps 790: case (MDOC_Unfilled):
1.61 schwarze 791: dt = DISP_unfilled;
792: break;
1.1 kristaps 793: case (MDOC_Filled):
1.61 schwarze 794: dt = DISP_filled;
795: break;
1.1 kristaps 796: case (MDOC_Literal):
1.61 schwarze 797: dt = DISP_literal;
798: break;
799: case (MDOC_File):
800: mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
801: return(0);
802: case (MDOC_Offset):
803: /* NB: this can be empty! */
804: if (n->args->argv[i].sz) {
805: offs = n->args->argv[i].value[0];
1.65 schwarze 806: dup = (NULL != n->data.Bd->offs);
1.1 kristaps 807: break;
1.61 schwarze 808: }
809: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
1.55 schwarze 810: return(0);
811: break;
1.61 schwarze 812: case (MDOC_Compact):
813: comp = 1;
1.65 schwarze 814: dup = n->data.Bd->comp;
1.61 schwarze 815: break;
1.1 kristaps 816: default:
1.61 schwarze 817: abort();
818: /* NOTREACHED */
1.1 kristaps 819: }
820:
1.61 schwarze 821: /* Check whether we have duplicates. */
822:
823: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
824: return(0);
825:
826: /* Make our auxiliary assignments. */
827:
828: if (offs && ! dup)
1.65 schwarze 829: n->data.Bd->offs = offs;
1.61 schwarze 830: if (comp && ! dup)
1.65 schwarze 831: n->data.Bd->comp = comp;
1.61 schwarze 832:
833: /* Check whether a type has already been assigned. */
834:
1.65 schwarze 835: if (DISP__NONE != dt && n->data.Bd->type != DISP__NONE)
1.61 schwarze 836: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
837: return(0);
838:
839: /* Make our type assignment. */
840:
1.65 schwarze 841: if (DISP__NONE != dt && n->data.Bd->type == DISP__NONE)
842: n->data.Bd->type = dt;
1.61 schwarze 843: }
844:
1.65 schwarze 845: if (DISP__NONE == n->data.Bd->type) {
1.61 schwarze 846: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
847: return(0);
1.65 schwarze 848: n->data.Bd->type = DISP_ragged;
1.61 schwarze 849: }
850:
851: return(1);
1.1 kristaps 852: }
853:
854:
855: static int
856: pre_ss(PRE_ARGS)
857: {
858:
859: if (MDOC_BLOCK != n->type)
860: return(1);
861: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
862: }
863:
864:
865: static int
866: pre_sh(PRE_ARGS)
867: {
868:
869: if (MDOC_BLOCK != n->type)
870: return(1);
1.63 schwarze 871:
872: mdoc->regs->regs[(int)REG_nS].set = 0;
1.50 schwarze 873: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 874: }
875:
876:
877: static int
878: pre_it(PRE_ARGS)
879: {
880:
881: if (MDOC_BLOCK != n->type)
882: return(1);
1.55 schwarze 883: /*
884: * FIXME: this can probably be lifted if we make the It into
885: * something else on-the-fly?
886: */
1.1 kristaps 887: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
888: }
889:
890:
891: static int
892: pre_an(PRE_ARGS)
893: {
894:
1.65 schwarze 895: if (NULL == n->args)
1.1 kristaps 896: return(1);
1.65 schwarze 897: if (n->args->argc > 1)
898: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGCOUNT))
899: return(0);
900:
1.72 ! schwarze 901: /* FIXME: this should use a different error message. */
! 902:
1.65 schwarze 903: if (MDOC_Split == n->args->argv[0].arg)
904: n->data.An.auth = AUTH_split;
905: else if (MDOC_Nosplit == n->args->argv[0].arg)
906: n->data.An.auth = AUTH_nosplit;
907: else
908: abort();
909:
910: return(1);
1.1 kristaps 911: }
912:
913:
914: static int
915: pre_rv(PRE_ARGS)
916: {
917:
918: return(check_stdarg(mdoc, n));
919: }
920:
921:
922: static int
1.60 schwarze 923: post_dt(POST_ARGS)
924: {
925: const struct mdoc_node *nn;
926: const char *p;
927:
928: if (NULL != (nn = mdoc->last->child))
929: for (p = nn->string; *p; p++) {
930: if (toupper((u_char)*p) == *p)
931: continue;
932: if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
933: return(0);
934: break;
935: }
936:
937: return(1);
938: }
939:
940:
941: static int
1.1 kristaps 942: pre_dt(PRE_ARGS)
943: {
1.40 schwarze 944:
1.1 kristaps 945: if (0 == mdoc->meta.date || mdoc->meta.os)
1.55 schwarze 946: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 947: return(0);
948: if (mdoc->meta.title)
1.55 schwarze 949: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 950: return(0);
951: return(1);
952: }
953:
954:
955: static int
956: pre_os(PRE_ARGS)
957: {
958:
959: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.55 schwarze 960: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 961: return(0);
962: if (mdoc->meta.os)
1.55 schwarze 963: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 964: return(0);
965: return(1);
966: }
967:
968:
969: static int
970: pre_dd(PRE_ARGS)
971: {
972:
973: if (mdoc->meta.title || mdoc->meta.os)
1.55 schwarze 974: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 975: return(0);
976: if (mdoc->meta.date)
1.55 schwarze 977: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 978: return(0);
979: return(1);
980: }
981:
982:
983: static int
984: post_bf(POST_ARGS)
985: {
1.65 schwarze 986: struct mdoc_node *np;
1.66 schwarze 987: enum mdocargt arg;
1.65 schwarze 988:
989: /*
990: * Unlike other data pointers, these are "housed" by the HEAD
991: * element, which contains the goods.
992: */
1.1 kristaps 993:
1.65 schwarze 994: if (MDOC_HEAD != mdoc->last->type) {
995: if (ENDBODY_NOT != mdoc->last->end) {
996: assert(mdoc->last->pending);
997: np = mdoc->last->pending->parent->head;
998: } else if (MDOC_BLOCK != mdoc->last->type) {
999: np = mdoc->last->parent->head;
1000: } else
1001: np = mdoc->last->head;
1002:
1003: assert(np);
1004: assert(MDOC_HEAD == np->type);
1005: assert(MDOC_Bf == np->tok);
1006: assert(np->data.Bf);
1007: mdoc->last->data.Bf = np->data.Bf;
1.1 kristaps 1008: return(1);
1.65 schwarze 1009: }
1010:
1011: np = mdoc->last;
1012: assert(MDOC_BLOCK == np->parent->type);
1013: assert(MDOC_Bf == np->parent->tok);
1014: np->data.Bf = mandoc_calloc(1, sizeof(struct mdoc_bf));
1.1 kristaps 1015:
1.65 schwarze 1016: /*
1017: * Cannot have both argument and parameter.
1018: * If neither is specified, let it through with a warning.
1019: */
1.1 kristaps 1020:
1.65 schwarze 1021: if (np->parent->args && np->child) {
1022: mdoc_nmsg(mdoc, np, MANDOCERR_SYNTARGVCOUNT);
1.55 schwarze 1023: return(0);
1.65 schwarze 1024: } else if (NULL == np->parent->args && NULL == np->child)
1025: return(mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE));
1026:
1027: /* Extract argument into data. */
1028:
1029: if (np->parent->args) {
1030: arg = np->parent->args->argv[0].arg;
1031: if (MDOC_Emphasis == arg)
1032: np->data.Bf->font = FONT_Em;
1033: else if (MDOC_Literal == arg)
1034: np->data.Bf->font = FONT_Li;
1035: else if (MDOC_Symbolic == arg)
1036: np->data.Bf->font = FONT_Sy;
1037: else
1038: abort();
1.10 schwarze 1039: return(1);
1.55 schwarze 1040: }
1.1 kristaps 1041:
1.65 schwarze 1042: /* Extract parameter into data. */
1.1 kristaps 1043:
1.65 schwarze 1044: if (0 == strcmp(np->child->string, "Em"))
1045: np->data.Bf->font = FONT_Em;
1046: else if (0 == strcmp(np->child->string, "Li"))
1047: np->data.Bf->font = FONT_Li;
1048: else if (0 == strcmp(np->child->string, "Sy"))
1049: np->data.Bf->font = FONT_Sy;
1050: else if ( ! mdoc_nmsg(mdoc, np, MANDOCERR_FONTTYPE))
1051: return(0);
1.1 kristaps 1052:
1.65 schwarze 1053: return(1);
1.27 schwarze 1054: }
1055:
1056:
1057: static int
1058: post_lb(POST_ARGS)
1059: {
1060:
1061: if (mdoc_a2lib(mdoc->last->child->string))
1062: return(1);
1.55 schwarze 1063: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.59 schwarze 1064: }
1065:
1066:
1067: static int
1068: post_eoln(POST_ARGS)
1069: {
1070:
1071: if (NULL == mdoc->last->child)
1072: return(1);
1073: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1.42 schwarze 1074: }
1075:
1076:
1077: static int
1078: post_vt(POST_ARGS)
1079: {
1080: const struct mdoc_node *n;
1081:
1082: /*
1083: * The Vt macro comes in both ELEM and BLOCK form, both of which
1084: * have different syntaxes (yet more context-sensitive
1085: * behaviour). ELEM types must have a child; BLOCK types,
1086: * specifically the BODY, should only have TEXT children.
1087: */
1088:
1089: if (MDOC_ELEM == mdoc->last->type)
1090: return(eerr_ge1(mdoc));
1091: if (MDOC_BODY != mdoc->last->type)
1092: return(1);
1093:
1094: for (n = mdoc->last->child; n; n = n->next)
1.52 schwarze 1095: if (MDOC_TEXT != n->type)
1.55 schwarze 1096: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.42 schwarze 1097: return(0);
1098:
1099: return(1);
1.1 kristaps 1100: }
1101:
1102:
1103: static int
1104: post_nm(POST_ARGS)
1105: {
1106:
1107: if (mdoc->last->child)
1108: return(1);
1109: if (mdoc->meta.name)
1110: return(1);
1.55 schwarze 1111: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 1112: }
1113:
1114:
1115: static int
1116: post_at(POST_ARGS)
1117: {
1118:
1119: if (NULL == mdoc->last->child)
1120: return(1);
1.55 schwarze 1121: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 1122: if (mdoc_a2att(mdoc->last->child->string))
1123: return(1);
1.55 schwarze 1124: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 1125: }
1126:
1127:
1128: static int
1129: post_an(POST_ARGS)
1130: {
1.65 schwarze 1131: struct mdoc_node *np;
1.1 kristaps 1132:
1.65 schwarze 1133: np = mdoc->last;
1134: if (AUTH__NONE != np->data.An.auth && np->child)
1.72 ! schwarze 1135: return(eerr_eq0(mdoc));
! 1136: /*
! 1137: * FIXME: make this ewarn and make sure that the front-ends
! 1138: * don't print the arguments.
! 1139: */
1.65 schwarze 1140: if (AUTH__NONE != np->data.An.auth || np->child)
1.1 kristaps 1141: return(1);
1.65 schwarze 1142: return(mdoc_nmsg(mdoc, np, MANDOCERR_NOARGS));
1.1 kristaps 1143: }
1144:
1145:
1146: static int
1147: post_it(POST_ARGS)
1148: {
1.60 schwarze 1149: int i, cols, rc;
1150: enum mdoc_list lt;
1.1 kristaps 1151: struct mdoc_node *n, *c;
1.60 schwarze 1152: enum mandocerr er;
1.1 kristaps 1153:
1154: if (MDOC_BLOCK != mdoc->last->type)
1155: return(1);
1156:
1157: n = mdoc->last->parent->parent;
1.65 schwarze 1158: assert(n->data.Bl);
1159: lt = n->data.Bl->type;
1.60 schwarze 1160:
1161: if (LIST__NONE == lt) {
1.55 schwarze 1162: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1163: return(0);
1164: }
1.1 kristaps 1165:
1.60 schwarze 1166: switch (lt) {
1167: case (LIST_tag):
1168: if (mdoc->last->head->child)
1.1 kristaps 1169: break;
1.60 schwarze 1170: /* FIXME: give this a dummy value. */
1171: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1172: return(0);
1.1 kristaps 1173: break;
1.60 schwarze 1174: case (LIST_hang):
1.1 kristaps 1175: /* FALLTHROUGH */
1.60 schwarze 1176: case (LIST_ohang):
1.1 kristaps 1177: /* FALLTHROUGH */
1.60 schwarze 1178: case (LIST_inset):
1.1 kristaps 1179: /* FALLTHROUGH */
1.60 schwarze 1180: case (LIST_diag):
1.1 kristaps 1181: if (NULL == mdoc->last->head->child)
1.55 schwarze 1182: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1183: return(0);
1184: break;
1.60 schwarze 1185: case (LIST_bullet):
1.1 kristaps 1186: /* FALLTHROUGH */
1.60 schwarze 1187: case (LIST_dash):
1.1 kristaps 1188: /* FALLTHROUGH */
1.60 schwarze 1189: case (LIST_enum):
1.1 kristaps 1190: /* FALLTHROUGH */
1.60 schwarze 1191: case (LIST_hyphen):
1.64 schwarze 1192: if (NULL == mdoc->last->body->child)
1193: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1194: return(0);
1.1 kristaps 1195: /* FALLTHROUGH */
1.60 schwarze 1196: case (LIST_item):
1.1 kristaps 1197: if (mdoc->last->head->child)
1.55 schwarze 1198: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 1199: return(0);
1200: break;
1.60 schwarze 1201: case (LIST_column):
1.65 schwarze 1202: cols = (int)n->data.Bl->ncols;
1.60 schwarze 1203:
1204: assert(NULL == mdoc->last->head->child);
1205:
1206: if (NULL == mdoc->last->body->child)
1207: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.32 schwarze 1208: return(0);
1.60 schwarze 1209:
1210: for (i = 0, c = mdoc->last->child; c; c = c->next)
1211: if (MDOC_BODY == c->type)
1212: i++;
1213:
1214: if (i < cols)
1215: er = MANDOCERR_ARGCOUNT;
1216: else if (i == cols || i == cols + 1)
1.1 kristaps 1217: break;
1.60 schwarze 1218: else
1219: er = MANDOCERR_SYNTARGCOUNT;
1.32 schwarze 1220:
1.60 schwarze 1221: rc = mdoc_vmsg(mdoc, er,
1.55 schwarze 1222: mdoc->last->line, mdoc->last->pos,
1223: "columns == %d (have %d)", cols, i);
1.60 schwarze 1224: return(rc);
1.1 kristaps 1225: default:
1226: break;
1227: }
1228:
1229: return(1);
1230: }
1231:
1232:
1233: static int
1.11 schwarze 1234: post_bl_head(POST_ARGS)
1235: {
1.60 schwarze 1236: struct mdoc_node *n;
1.11 schwarze 1237:
1.60 schwarze 1238: assert(mdoc->last->parent);
1.11 schwarze 1239: n = mdoc->last->parent;
1240:
1.65 schwarze 1241: if (LIST_column == n->data.Bl->type) {
1242: if (n->data.Bl->ncols && mdoc->last->nchild) {
1.60 schwarze 1243: mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
1244: return(0);
1.48 schwarze 1245: }
1.60 schwarze 1246: return(1);
1.48 schwarze 1247: }
1.11 schwarze 1248:
1.72 ! schwarze 1249: /* FIXME: should be ERROR class. */
! 1250: return(hwarn_eq0(mdoc));
1.11 schwarze 1251: }
1252:
1253:
1254: static int
1.1 kristaps 1255: post_bl(POST_ARGS)
1256: {
1257: struct mdoc_node *n;
1258:
1.11 schwarze 1259: if (MDOC_HEAD == mdoc->last->type)
1260: return(post_bl_head(mdoc));
1.1 kristaps 1261: if (MDOC_BODY != mdoc->last->type)
1262: return(1);
1263: if (NULL == mdoc->last->child)
1264: return(1);
1265:
1.41 schwarze 1266: /*
1267: * We only allow certain children of `Bl'. This is usually on
1268: * `It', but apparently `Sm' occurs here and there, so we let
1269: * that one through, too.
1270: */
1271:
1.1 kristaps 1272: /* LINTED */
1273: for (n = mdoc->last->child; n; n = n->next) {
1.41 schwarze 1274: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1275: continue;
1276: if (MDOC_Sm == n->tok)
1277: continue;
1.55 schwarze 1278: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1279: return(0);
1.1 kristaps 1280: }
1281:
1282: return(1);
1283: }
1284:
1285:
1286: static int
1287: ebool(struct mdoc *mdoc)
1288: {
1289: struct mdoc_node *n;
1290:
1291: /* LINTED */
1292: for (n = mdoc->last->child; n; n = n->next) {
1293: if (MDOC_TEXT != n->type)
1294: break;
1295: if (0 == strcmp(n->string, "on"))
1296: continue;
1297: if (0 == strcmp(n->string, "off"))
1298: continue;
1299: break;
1300: }
1301:
1302: if (NULL == n)
1303: return(1);
1.55 schwarze 1304: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1305: }
1306:
1307:
1308: static int
1309: post_root(POST_ARGS)
1310: {
1311:
1312: if (NULL == mdoc->first->child)
1.55 schwarze 1313: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1314: else if ( ! (MDOC_PBODY & mdoc->flags))
1315: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1316: else if (MDOC_BLOCK != mdoc->first->child->type)
1317: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1318: else if (MDOC_Sh != mdoc->first->child->tok)
1319: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1320: else
1321: return(1);
1.1 kristaps 1322:
1.55 schwarze 1323: return(0);
1.1 kristaps 1324: }
1325:
1326:
1327: static int
1328: post_st(POST_ARGS)
1329: {
1330:
1331: if (mdoc_a2st(mdoc->last->child->string))
1332: return(1);
1.55 schwarze 1333: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.36 schwarze 1334: }
1335:
1336:
1337: static int
1338: post_rs(POST_ARGS)
1339: {
1340: struct mdoc_node *nn;
1341:
1342: if (MDOC_BODY != mdoc->last->type)
1343: return(1);
1344:
1345: for (nn = mdoc->last->child; nn; nn = nn->next)
1346: switch (nn->tok) {
1.38 schwarze 1347: case(MDOC__U):
1348: /* FALLTHROUGH */
1.36 schwarze 1349: case(MDOC__Q):
1350: /* FALLTHROUGH */
1351: case(MDOC__C):
1352: /* FALLTHROUGH */
1353: case(MDOC__A):
1354: /* FALLTHROUGH */
1355: case(MDOC__B):
1356: /* FALLTHROUGH */
1357: case(MDOC__D):
1358: /* FALLTHROUGH */
1359: case(MDOC__I):
1360: /* FALLTHROUGH */
1361: case(MDOC__J):
1362: /* FALLTHROUGH */
1363: case(MDOC__N):
1364: /* FALLTHROUGH */
1365: case(MDOC__O):
1366: /* FALLTHROUGH */
1367: case(MDOC__P):
1368: /* FALLTHROUGH */
1369: case(MDOC__R):
1370: /* FALLTHROUGH */
1371: case(MDOC__T):
1372: /* FALLTHROUGH */
1373: case(MDOC__V):
1374: break;
1375: default:
1.55 schwarze 1376: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
1377: return(0);
1.36 schwarze 1378: }
1379:
1380: return(1);
1.1 kristaps 1381: }
1382:
1383:
1384: static int
1385: post_sh(POST_ARGS)
1386: {
1387:
1388: if (MDOC_HEAD == mdoc->last->type)
1389: return(post_sh_head(mdoc));
1390: if (MDOC_BODY == mdoc->last->type)
1391: return(post_sh_body(mdoc));
1392:
1393: return(1);
1394: }
1395:
1396:
1397: static int
1398: post_sh_body(POST_ARGS)
1399: {
1400: struct mdoc_node *n;
1401:
1.26 schwarze 1402: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1403: return(1);
1404:
1405: /*
1406: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1407: * macros (can have multiple `Nm' and one `Nd'). Note that the
1408: * children of the BODY declaration can also be "text".
1409: */
1410:
1411: if (NULL == (n = mdoc->last->child))
1.55 schwarze 1412: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1413:
1414: for ( ; n && n->next; n = n->next) {
1415: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1416: continue;
1417: if (MDOC_TEXT == n->type)
1418: continue;
1.55 schwarze 1419: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1420: return(0);
1421: }
1422:
1.34 schwarze 1423: assert(n);
1.25 schwarze 1424: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1425: return(1);
1.55 schwarze 1426: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1427: }
1428:
1429:
1430: static int
1431: post_sh_head(POST_ARGS)
1432: {
1.57 schwarze 1433: char buf[BUFSIZ];
1.1 kristaps 1434: enum mdoc_sec sec;
1435: const struct mdoc_node *n;
1436:
1437: /*
1438: * Process a new section. Sections are either "named" or
1439: * "custom"; custom sections are user-defined, while named ones
1440: * usually follow a conventional order and may only appear in
1441: * certain manual sections.
1442: */
1443:
1.55 schwarze 1444: buf[0] = '\0';
1445:
1446: /*
1447: * FIXME: yes, these can use a dynamic buffer, but I don't do so
1448: * in the interests of simplicity.
1449: */
1.1 kristaps 1450:
1451: for (n = mdoc->last->child; n; n = n->next) {
1.9 schwarze 1452: /* XXX - copied from compact(). */
1.1 kristaps 1453: assert(MDOC_TEXT == n->type);
1.9 schwarze 1454:
1.57 schwarze 1455: if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
1.55 schwarze 1456: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1457: return(0);
1458: }
1.1 kristaps 1459: if (NULL == n->next)
1460: continue;
1.57 schwarze 1461: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1.55 schwarze 1462: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1463: return(0);
1464: }
1.1 kristaps 1465: }
1466:
1.51 schwarze 1467: sec = mdoc_str2sec(buf);
1.1 kristaps 1468:
1.9 schwarze 1469: /*
1470: * Check: NAME should always be first, CUSTOM has no roles,
1471: * non-CUSTOM has a conventional order to be followed.
1472: */
1.1 kristaps 1473:
1.51 schwarze 1474: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.55 schwarze 1475: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.51 schwarze 1476: return(0);
1477:
1.1 kristaps 1478: if (SEC_CUSTOM == sec)
1479: return(1);
1.51 schwarze 1480:
1.1 kristaps 1481: if (sec == mdoc->lastnamed)
1.55 schwarze 1482: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.23 schwarze 1483: return(0);
1.51 schwarze 1484:
1.1 kristaps 1485: if (sec < mdoc->lastnamed)
1.55 schwarze 1486: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.23 schwarze 1487: return(0);
1.1 kristaps 1488:
1.9 schwarze 1489: /*
1490: * Check particular section/manual conventions. LIBRARY can
1.54 schwarze 1491: * only occur in manual section 2, 3, and 9.
1.9 schwarze 1492: */
1.1 kristaps 1493:
1494: switch (sec) {
1495: case (SEC_LIBRARY):
1.54 schwarze 1496: assert(mdoc->meta.msec);
1497: if (*mdoc->meta.msec == '2')
1498: break;
1499: if (*mdoc->meta.msec == '3')
1500: break;
1501: if (*mdoc->meta.msec == '9')
1.1 kristaps 1502: break;
1.55 schwarze 1503: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1504: default:
1505: break;
1506: }
1507:
1.70 schwarze 1508: return(1);
1509: }
1510:
1511:
1512: static int
1513: pre_pp(PRE_ARGS)
1514: {
1515:
1516: if (NULL == mdoc->last)
1517: return(1);
1518:
1519: /* Don't allow prior `Lp' or `Pp'. */
1520:
1521: if (MDOC_Pp != mdoc->last->tok && MDOC_Lp != mdoc->last->tok)
1522: return(1);
1523:
1524: if (MDOC_Bl == n->tok && n->data.Bl->comp)
1525: return(1);
1526: if (MDOC_Bd == n->tok && n->data.Bd->comp)
1527: return(1);
1528:
1529: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_IGNPAR);
1530: mdoc_node_delete(mdoc, mdoc->last);
1.1 kristaps 1531: return(1);
1532: }