Annotation of mandoc/mdoc_validate.c, Revision 1.94
1.94 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.93 2010/06/12 10:09:19 kristaps Exp $ */
1.1 kristaps 2: /*
1.77 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.5 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.5 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
1.56 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.35 kristaps 25: #include <limits.h>
1.81 kristaps 26: #include <stdio.h>
1.1 kristaps 27: #include <stdlib.h>
1.2 kristaps 28: #include <string.h>
1.1 kristaps 29:
1.79 kristaps 30: #include "mandoc.h"
1.1 kristaps 31: #include "libmdoc.h"
1.18 kristaps 32: #include "libmandoc.h"
1.1 kristaps 33:
34: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
35: /* TODO: ignoring Pp (it's superfluous in some invocations). */
36:
1.91 kristaps 37: #define PRE_ARGS struct mdoc *mdoc, struct mdoc_node *n
1.32 kristaps 38: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 39:
40: typedef int (*v_pre)(PRE_ARGS);
41: typedef int (*v_post)(POST_ARGS);
42:
43: struct valids {
44: v_pre *pre;
45: v_post *post;
46: };
47:
1.59 kristaps 48: static int check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
1.32 kristaps 49: static int check_stdarg(PRE_ARGS);
1.92 kristaps 50: static int check_text(struct mdoc *, int, int, char *);
1.32 kristaps 51: static int check_argv(struct mdoc *,
1.92 kristaps 52: struct mdoc_node *, struct mdoc_argv *);
53: static int check_args(struct mdoc *, struct mdoc_node *);
1.32 kristaps 54: static int err_child_lt(struct mdoc *, const char *, int);
55: static int warn_child_lt(struct mdoc *, const char *, int);
56: static int err_child_gt(struct mdoc *, const char *, int);
57: static int warn_child_gt(struct mdoc *, const char *, int);
58: static int err_child_eq(struct mdoc *, const char *, int);
59: static int warn_child_eq(struct mdoc *, const char *, int);
60: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 61: int, const char *, int);
1.32 kristaps 62: static int err_count(struct mdoc *, const char *,
1.1 kristaps 63: int, const char *, int);
1.32 kristaps 64:
65: static int berr_ge1(POST_ARGS);
66: static int bwarn_ge1(POST_ARGS);
67: static int ebool(POST_ARGS);
68: static int eerr_eq0(POST_ARGS);
69: static int eerr_eq1(POST_ARGS);
70: static int eerr_ge1(POST_ARGS);
1.46 kristaps 71: static int eerr_le1(POST_ARGS);
1.32 kristaps 72: static int ewarn_ge1(POST_ARGS);
73: static int herr_eq0(POST_ARGS);
74: static int herr_ge1(POST_ARGS);
75: static int hwarn_eq1(POST_ARGS);
1.66 kristaps 76: static int hwarn_eq0(POST_ARGS);
1.32 kristaps 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);
1.85 kristaps 84: static int post_dt(POST_ARGS);
1.32 kristaps 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);
1.43 kristaps 89: static int post_rs(POST_ARGS);
1.32 kristaps 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);
1.84 kristaps 94: static int post_eoln(POST_ARGS);
1.57 kristaps 95: static int post_vt(POST_ARGS);
1.32 kristaps 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);
104: static int pre_rv(PRE_ARGS);
105: static int pre_sh(PRE_ARGS);
106: static int pre_ss(PRE_ARGS);
107:
108: static v_post posts_an[] = { post_an, NULL };
109: static v_post posts_at[] = { post_at, NULL };
1.66 kristaps 110: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.32 kristaps 111: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
112: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
113: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
1.84 kristaps 114: static v_post posts_eoln[] = { post_eoln, NULL };
1.85 kristaps 115: static v_post posts_dt[] = { post_dt, NULL };
1.32 kristaps 116: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
117: static v_post posts_it[] = { post_it, NULL };
118: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
119: static v_post posts_nd[] = { berr_ge1, NULL };
120: static v_post posts_nm[] = { post_nm, NULL };
121: static v_post posts_notext[] = { eerr_eq0, NULL };
1.44 kristaps 122: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.32 kristaps 123: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.46 kristaps 124: static v_post posts_sp[] = { eerr_le1, NULL };
1.32 kristaps 125: static v_post posts_ss[] = { herr_ge1, NULL };
126: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
127: static v_post posts_text[] = { eerr_ge1, NULL };
1.51 kristaps 128: static v_post posts_text1[] = { eerr_eq1, NULL };
1.57 kristaps 129: static v_post posts_vt[] = { post_vt, NULL };
1.32 kristaps 130: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
131: static v_post posts_wtext[] = { ewarn_ge1, NULL };
132: static v_pre pres_an[] = { pre_an, NULL };
133: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
134: static v_pre pres_bl[] = { pre_bl, NULL };
135: static v_pre pres_d1[] = { pre_display, NULL };
136: static v_pre pres_dd[] = { pre_dd, NULL };
137: static v_pre pres_dt[] = { pre_dt, NULL };
1.67 kristaps 138: static v_pre pres_er[] = { NULL, NULL };
1.76 kristaps 139: static v_pre pres_ex[] = { NULL, NULL };
1.77 kristaps 140: static v_pre pres_fd[] = { NULL, NULL };
1.32 kristaps 141: static v_pre pres_it[] = { pre_it, NULL };
142: static v_pre pres_os[] = { pre_os, NULL };
143: static v_pre pres_rv[] = { pre_rv, NULL };
144: static v_pre pres_sh[] = { pre_sh, NULL };
145: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 146:
147: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 148: { NULL, NULL }, /* Ap */
1.1 kristaps 149: { pres_dd, posts_text }, /* Dd */
1.85 kristaps 150: { pres_dt, posts_dt }, /* Dt */
1.1 kristaps 151: { pres_os, NULL }, /* Os */
152: { pres_sh, posts_sh }, /* Sh */
153: { pres_ss, posts_ss }, /* Ss */
1.34 kristaps 154: { NULL, posts_notext }, /* Pp */
1.1 kristaps 155: { pres_d1, posts_wline }, /* D1 */
156: { pres_d1, posts_wline }, /* Dl */
157: { pres_bd, posts_bd }, /* Bd */
158: { NULL, NULL }, /* Ed */
159: { pres_bl, posts_bl }, /* Bl */
160: { NULL, NULL }, /* El */
161: { pres_it, posts_it }, /* It */
162: { NULL, posts_text }, /* Ad */
163: { pres_an, posts_an }, /* An */
164: { NULL, NULL }, /* Ar */
1.69 kristaps 165: { NULL, posts_text }, /* Cd */
1.1 kristaps 166: { NULL, NULL }, /* Cm */
167: { NULL, NULL }, /* Dv */
168: { pres_er, posts_text }, /* Er */
169: { NULL, NULL }, /* Ev */
1.42 kristaps 170: { pres_ex, NULL }, /* Ex */
1.1 kristaps 171: { NULL, NULL }, /* Fa */
172: { pres_fd, posts_wtext }, /* Fd */
173: { NULL, NULL }, /* Fl */
174: { NULL, posts_text }, /* Fn */
175: { NULL, posts_wtext }, /* Ft */
176: { NULL, posts_text }, /* Ic */
1.51 kristaps 177: { NULL, posts_text1 }, /* In */
1.1 kristaps 178: { NULL, NULL }, /* Li */
1.27 kristaps 179: { NULL, posts_nd }, /* Nd */
1.1 kristaps 180: { NULL, posts_nm }, /* Nm */
181: { NULL, posts_wline }, /* Op */
182: { NULL, NULL }, /* Ot */
183: { NULL, NULL }, /* Pa */
1.42 kristaps 184: { pres_rv, NULL }, /* Rv */
1.1 kristaps 185: { NULL, posts_st }, /* St */
186: { NULL, NULL }, /* Va */
1.57 kristaps 187: { NULL, posts_vt }, /* Vt */
1.84 kristaps 188: { NULL, posts_wtext }, /* Xr */
1.1 kristaps 189: { NULL, posts_text }, /* %A */
1.47 kristaps 190: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.54 kristaps 191: { NULL, posts_text }, /* %D */ /* FIXME: check date with mandoc_a2time(). */
1.1 kristaps 192: { NULL, posts_text }, /* %I */
193: { NULL, posts_text }, /* %J */
194: { NULL, posts_text }, /* %N */
195: { NULL, posts_text }, /* %O */
196: { NULL, posts_text }, /* %P */
197: { NULL, posts_text }, /* %R */
1.47 kristaps 198: { NULL, posts_text }, /* %T */ /* FIXME: can be used outside Rs/Re. */
1.1 kristaps 199: { NULL, posts_text }, /* %V */
200: { NULL, NULL }, /* Ac */
201: { NULL, NULL }, /* Ao */
202: { NULL, posts_wline }, /* Aq */
203: { NULL, posts_at }, /* At */
204: { NULL, NULL }, /* Bc */
205: { NULL, posts_bf }, /* Bf */
206: { NULL, NULL }, /* Bo */
207: { NULL, posts_wline }, /* Bq */
208: { NULL, NULL }, /* Bsx */
209: { NULL, NULL }, /* Bx */
210: { NULL, posts_bool }, /* Db */
211: { NULL, NULL }, /* Dc */
212: { NULL, NULL }, /* Do */
213: { NULL, posts_wline }, /* Dq */
214: { NULL, NULL }, /* Ec */
215: { NULL, NULL }, /* Ef */
216: { NULL, NULL }, /* Em */
217: { NULL, NULL }, /* Eo */
218: { NULL, NULL }, /* Fx */
219: { NULL, posts_text }, /* Ms */
220: { NULL, posts_notext }, /* No */
221: { NULL, posts_notext }, /* Ns */
222: { NULL, NULL }, /* Nx */
223: { NULL, NULL }, /* Ox */
224: { NULL, NULL }, /* Pc */
1.51 kristaps 225: { NULL, posts_text1 }, /* Pf */
1.1 kristaps 226: { NULL, NULL }, /* Po */
227: { NULL, posts_wline }, /* Pq */
228: { NULL, NULL }, /* Qc */
229: { NULL, posts_wline }, /* Ql */
230: { NULL, NULL }, /* Qo */
231: { NULL, posts_wline }, /* Qq */
232: { NULL, NULL }, /* Re */
1.43 kristaps 233: { NULL, posts_rs }, /* Rs */
1.1 kristaps 234: { NULL, NULL }, /* Sc */
235: { NULL, NULL }, /* So */
236: { NULL, posts_wline }, /* Sq */
237: { NULL, posts_bool }, /* Sm */
238: { NULL, posts_text }, /* Sx */
239: { NULL, posts_text }, /* Sy */
240: { NULL, posts_text }, /* Tn */
241: { NULL, NULL }, /* Ux */
242: { NULL, NULL }, /* Xc */
243: { NULL, NULL }, /* Xo */
244: { NULL, posts_fo }, /* Fo */
245: { NULL, NULL }, /* Fc */
246: { NULL, NULL }, /* Oo */
247: { NULL, NULL }, /* Oc */
248: { NULL, posts_wline }, /* Bk */
249: { NULL, NULL }, /* Ek */
1.84 kristaps 250: { NULL, posts_eoln }, /* Bt */
1.1 kristaps 251: { NULL, NULL }, /* Hf */
252: { NULL, NULL }, /* Fr */
1.84 kristaps 253: { NULL, posts_eoln }, /* Ud */
1.83 kristaps 254: { NULL, posts_lb }, /* Lb */
1.34 kristaps 255: { NULL, posts_notext }, /* Lp */
1.51 kristaps 256: { NULL, posts_text }, /* Lk */
1.1 kristaps 257: { NULL, posts_text }, /* Mt */
258: { NULL, posts_wline }, /* Brq */
259: { NULL, NULL }, /* Bro */
260: { NULL, NULL }, /* Brc */
261: { NULL, posts_text }, /* %C */
262: { NULL, NULL }, /* Es */
263: { NULL, NULL }, /* En */
264: { NULL, NULL }, /* Dx */
265: { NULL, posts_text }, /* %Q */
1.33 kristaps 266: { NULL, posts_notext }, /* br */
1.35 kristaps 267: { NULL, posts_sp }, /* sp */
1.51 kristaps 268: { NULL, posts_text1 }, /* %U */
1.88 kristaps 269: { NULL, NULL }, /* Ta */
1.1 kristaps 270: };
271:
272:
273: int
1.91 kristaps 274: mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
1.1 kristaps 275: {
276: v_pre *p;
277: int line, pos;
1.92 kristaps 278: char *tp;
1.1 kristaps 279:
280: if (MDOC_TEXT == n->type) {
281: tp = n->string;
282: line = n->line;
283: pos = n->pos;
284: return(check_text(mdoc, line, pos, tp));
285: }
286:
287: if ( ! check_args(mdoc, n))
288: return(0);
289: if (NULL == mdoc_valids[n->tok].pre)
290: return(1);
291: for (p = mdoc_valids[n->tok].pre; *p; p++)
292: if ( ! (*p)(mdoc, n))
293: return(0);
294: return(1);
295: }
296:
297:
298: int
299: mdoc_valid_post(struct mdoc *mdoc)
300: {
301: v_post *p;
302:
303: if (MDOC_VALID & mdoc->last->flags)
304: return(1);
305: mdoc->last->flags |= MDOC_VALID;
306:
307: if (MDOC_TEXT == mdoc->last->type)
308: return(1);
309: if (MDOC_ROOT == mdoc->last->type)
310: return(post_root(mdoc));
311:
312: if (NULL == mdoc_valids[mdoc->last->tok].post)
313: return(1);
314: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
315: if ( ! (*p)(mdoc))
316: return(0);
317:
318: return(1);
319: }
320:
321:
322: static inline int
323: warn_count(struct mdoc *m, const char *k,
324: int want, const char *v, int has)
325: {
326:
1.79 kristaps 327: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
328: m->last->line, m->last->pos,
329: "%s %s %d (have %d)", v, k, want, has));
1.1 kristaps 330: }
331:
332:
333: static inline int
334: err_count(struct mdoc *m, const char *k,
335: int want, const char *v, int has)
336: {
337:
1.79 kristaps 338: mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT,
339: m->last->line, m->last->pos,
340: "%s %s %d (have %d)",
341: v, k, want, has);
342: return(0);
1.1 kristaps 343: }
344:
345:
346: /*
347: * Build these up with macros because they're basically the same check
348: * for different inequalities. Yes, this could be done with functions,
349: * but this is reasonable for now.
350: */
351:
352: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
353: static int \
354: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
355: { \
1.16 kristaps 356: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 357: return(1); \
1.16 kristaps 358: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 359: }
360:
361: #define CHECK_BODY_DEFN(name, lvl, func, num) \
362: static int \
363: b##lvl##_##name(POST_ARGS) \
364: { \
365: if (MDOC_BODY != mdoc->last->type) \
366: return(1); \
367: return(func(mdoc, "multi-line arguments", (num))); \
368: }
369:
370: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
371: static int \
372: e##lvl##_##name(POST_ARGS) \
373: { \
374: assert(MDOC_ELEM == mdoc->last->type); \
375: return(func(mdoc, "line arguments", (num))); \
376: }
377:
378: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
379: static int \
380: h##lvl##_##name(POST_ARGS) \
381: { \
382: if (MDOC_HEAD != mdoc->last->type) \
383: return(1); \
384: return(func(mdoc, "line arguments", (num))); \
385: }
386:
387:
388: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
389: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
390: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
391: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
392: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
393: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
394: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 395: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.84 kristaps 396: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_ge1() */
1.1 kristaps 397: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.46 kristaps 398: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 399: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
400: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
401: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
402: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
403: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
404: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.66 kristaps 405: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 406:
407:
408: static int
409: check_stdarg(PRE_ARGS)
410: {
411:
412: if (n->args && 1 == n->args->argc)
413: if (MDOC_Std == n->args->argv[0].arg)
414: return(1);
1.79 kristaps 415: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 416: }
417:
418:
419: static int
1.92 kristaps 420: check_args(struct mdoc *m, struct mdoc_node *n)
1.1 kristaps 421: {
422: int i;
423:
424: if (NULL == n->args)
425: return(1);
426:
427: assert(n->args->argc);
428: for (i = 0; i < (int)n->args->argc; i++)
429: if ( ! check_argv(m, n, &n->args->argv[i]))
430: return(0);
431:
432: return(1);
433: }
434:
435:
436: static int
1.92 kristaps 437: check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
1.1 kristaps 438: {
439: int i;
440:
441: for (i = 0; i < (int)v->sz; i++)
442: if ( ! check_text(m, v->line, v->pos, v->value[i]))
443: return(0);
444:
445: if (MDOC_Std == v->arg) {
446: if (v->sz || m->meta.name)
447: return(1);
1.79 kristaps 448: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
449: return(0);
1.1 kristaps 450: }
451:
452: return(1);
453: }
454:
455:
456: static int
1.92 kristaps 457: check_text(struct mdoc *mdoc, int line, int pos, char *p)
1.1 kristaps 458: {
1.18 kristaps 459: int c;
1.1 kristaps 460:
1.18 kristaps 461: for ( ; *p; p++, pos++) {
1.1 kristaps 462: if ('\t' == *p) {
463: if ( ! (MDOC_LITERAL & mdoc->flags))
1.79 kristaps 464: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 465: return(0);
1.82 kristaps 466: } else if ( ! isprint((u_char)*p) && ASCII_HYPH != *p)
1.79 kristaps 467: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 468: return(0);
1.1 kristaps 469:
470: if ('\\' != *p)
471: continue;
472:
1.18 kristaps 473: c = mandoc_special(p);
1.1 kristaps 474: if (c) {
1.18 kristaps 475: p += c - 1;
476: pos += c - 1;
1.1 kristaps 477: continue;
478: }
1.79 kristaps 479:
480: c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
481: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
482: return(c);
1.1 kristaps 483: }
484:
485: return(1);
486: }
487:
488:
489:
490:
491: static int
1.59 kristaps 492: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 493: {
494:
495: assert(n->parent);
496: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
497: (t == n->parent->type))
498: return(1);
499:
1.79 kristaps 500: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
501: n->line, n->pos, "want parent %s",
502: MDOC_ROOT == t ? "<root>" :
503: mdoc_macronames[tok]);
504: return(0);
1.1 kristaps 505: }
506:
507:
508:
509: static int
510: pre_display(PRE_ARGS)
511: {
512: struct mdoc_node *node;
513:
514: /* Display elements (`Bd', `D1'...) cannot be nested. */
515:
516: if (MDOC_BLOCK != n->type)
517: return(1);
518:
519: /* LINTED */
520: for (node = mdoc->last->parent; node; node = node->parent)
521: if (MDOC_BLOCK == node->type)
522: if (MDOC_Bd == node->tok)
523: break;
524: if (NULL == node)
525: return(1);
526:
1.79 kristaps 527: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
528: return(0);
1.1 kristaps 529: }
530:
531:
532: static int
533: pre_bl(PRE_ARGS)
534: {
1.91 kristaps 535: int i, width, offs, cmpt, dupl;
536: enum mdoc_list lt;
1.1 kristaps 537:
1.91 kristaps 538: if (MDOC_BLOCK != n->type) {
539: assert(n->parent);
540: assert(MDOC_BLOCK == n->parent->type);
541: assert(MDOC_Bl == n->parent->tok);
542: assert(LIST__NONE != n->parent->data.list);
543: n->data.list = n->parent->data.list;
1.1 kristaps 544: return(1);
1.79 kristaps 545: }
1.1 kristaps 546:
1.91 kristaps 547: /*
548: * First figure out which kind of list to use: bind ourselves to
549: * the first mentioned list type and warn about any remaining
550: * ones. If we find no list type, we default to LIST_item.
551: */
1.1 kristaps 552:
1.91 kristaps 553: assert(LIST__NONE == n->data.list);
554: offs = width = cmpt = -1;
1.1 kristaps 555:
556: /* LINTED */
1.91 kristaps 557: for (i = 0; n->args && i < (int)n->args->argc; i++) {
558: lt = LIST__NONE;
559: dupl = 0;
560: switch (n->args->argv[i].arg) {
561: /* Set list types. */
1.1 kristaps 562: case (MDOC_Bullet):
1.91 kristaps 563: lt = LIST_bullet;
564: break;
1.1 kristaps 565: case (MDOC_Dash):
1.91 kristaps 566: lt = LIST_dash;
567: break;
1.1 kristaps 568: case (MDOC_Enum):
1.91 kristaps 569: lt = LIST_enum;
570: break;
1.1 kristaps 571: case (MDOC_Hyphen):
1.91 kristaps 572: lt = LIST_hyphen;
573: break;
1.1 kristaps 574: case (MDOC_Item):
1.91 kristaps 575: lt = LIST_item;
576: break;
1.1 kristaps 577: case (MDOC_Tag):
1.91 kristaps 578: lt = LIST_tag;
579: break;
1.1 kristaps 580: case (MDOC_Diag):
1.91 kristaps 581: lt = LIST_diag;
582: break;
1.1 kristaps 583: case (MDOC_Hang):
1.91 kristaps 584: lt = LIST_hang;
585: break;
1.1 kristaps 586: case (MDOC_Ohang):
1.91 kristaps 587: lt = LIST_ohang;
588: break;
1.1 kristaps 589: case (MDOC_Inset):
1.91 kristaps 590: lt = LIST_inset;
591: break;
1.1 kristaps 592: case (MDOC_Column):
1.91 kristaps 593: lt = LIST_column;
594: break;
595: /* Set list arguments. */
1.45 kristaps 596: case (MDOC_Compact):
1.91 kristaps 597: if (cmpt >= 0)
598: dupl++;
599: cmpt = i;
600: break;
1.1 kristaps 601: case (MDOC_Width):
1.45 kristaps 602: if (width >= 0)
1.91 kristaps 603: dupl++;
604: width = i;
1.8 kristaps 605: break;
1.1 kristaps 606: case (MDOC_Offset):
1.91 kristaps 607: if (offs >= 0)
608: dupl++;
609: offs = i;
1.1 kristaps 610: break;
611: }
612:
1.91 kristaps 613: /* Check: duplicate auxiliary arguments. */
614:
615: if (dupl)
616: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
617: return(0);
618:
619: /* Check: multiple list types. */
620:
621: if (LIST__NONE != lt && n->data.list != LIST__NONE)
622: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
623: return(0);
624:
625: /* Assign list type. */
626:
627: if (LIST__NONE != lt && n->data.list == LIST__NONE)
628: n->data.list = lt;
629:
630: /* The list type should come first. */
631:
632: if (n->data.list == LIST__NONE)
633: if (width >= 0 || offs >= 0 || cmpt >= 0)
634: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
635: return(0);
636:
637: continue;
638: }
639:
640: /* Allow lists to default to LIST_item. */
641:
642: if (LIST__NONE == n->data.list) {
643: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
644: return(0);
645: n->data.list = LIST_item;
1.79 kristaps 646: }
1.1 kristaps 647:
1.8 kristaps 648: /*
649: * Validate the width field. Some list types don't need width
650: * types and should be warned about them. Others should have it
651: * and must also be warned.
652: */
653:
1.91 kristaps 654: switch (n->data.list) {
655: case (LIST_tag):
656: if (width >= 0)
657: break;
658: if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
659: break;
660: return(0);
661: case (LIST_column):
1.1 kristaps 662: /* FALLTHROUGH */
1.91 kristaps 663: case (LIST_diag):
1.1 kristaps 664: /* FALLTHROUGH */
1.91 kristaps 665: case (LIST_ohang):
1.53 kristaps 666: /* FALLTHROUGH */
1.91 kristaps 667: case (LIST_inset):
1.1 kristaps 668: /* FALLTHROUGH */
1.91 kristaps 669: case (LIST_item):
670: if (width < 0)
671: break;
672: if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
673: break;
674: return(0);
1.8 kristaps 675: default:
676: break;
677: }
678:
1.1 kristaps 679: return(1);
680: }
681:
682:
683: static int
684: pre_bd(PRE_ARGS)
685: {
1.94 ! kristaps 686: int i, dup, comp;
1.93 kristaps 687: enum mdoc_disp dt;
1.94 ! kristaps 688: const char *offs;
1.1 kristaps 689:
1.93 kristaps 690: if (MDOC_BLOCK != n->type) {
691: assert(n->parent);
692: assert(MDOC_BLOCK == n->parent->type);
693: assert(MDOC_Bd == n->parent->tok);
1.94 ! kristaps 694: assert(DISP__NONE != n->parent->data.Bd.type);
! 695: memcpy(&n->data.Bd, &n->parent->data.Bd,
! 696: sizeof(struct mdoc_bd));
1.1 kristaps 697: return(1);
1.79 kristaps 698: }
1.1 kristaps 699:
1.94 ! kristaps 700: assert(DISP__NONE == n->data.Bd.type);
1.1 kristaps 701:
702: /* LINTED */
1.93 kristaps 703: for (i = 0; n->args && i < (int)n->args->argc; i++) {
704: dt = DISP__NONE;
1.94 ! kristaps 705: dup = comp = 0;
! 706: offs = NULL;
! 707:
1.1 kristaps 708: switch (n->args->argv[i].arg) {
1.49 kristaps 709: case (MDOC_Centred):
1.93 kristaps 710: dt = DISP_centred;
711: break;
1.1 kristaps 712: case (MDOC_Ragged):
1.93 kristaps 713: dt = DISP_ragged;
714: break;
1.1 kristaps 715: case (MDOC_Unfilled):
1.93 kristaps 716: dt = DISP_unfilled;
717: break;
1.1 kristaps 718: case (MDOC_Filled):
1.93 kristaps 719: dt = DISP_filled;
720: break;
1.1 kristaps 721: case (MDOC_Literal):
1.93 kristaps 722: dt = DISP_literal;
1.79 kristaps 723: break;
1.93 kristaps 724: case (MDOC_File):
725: mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
726: return(0);
727: case (MDOC_Offset):
1.94 ! kristaps 728: /* NB: this can be empty! */
! 729: if (n->args->argv[i].sz) {
! 730: offs = n->args->argv[i].value[0];
! 731: dup = (NULL != n->data.Bd.offs);
! 732: break;
! 733: }
! 734: /*
! 735: * If empty, assign it to a sane default, which
! 736: * groff stipulates is about 8n.
! 737: */
! 738: /*
! 739: * FIXME: remove this.
! 740: *
! 741: * Where the hell did I get the idea that this
! 742: * happens?
! 743: */
! 744: assert(1 == n->args->refcnt);
! 745: n->args->argv[i].sz++;
! 746: n->args->argv[i].value =
! 747: mandoc_malloc(sizeof(char *));
! 748: n->args->argv[i].value[0] =
! 749: mandoc_strdup("8n");
! 750: offs = n->args->argv[i].value[0];
! 751: break;
1.93 kristaps 752: case (MDOC_Compact):
1.94 ! kristaps 753: comp = 1;
! 754: dup = n->data.Bd.comp;
! 755: break;
1.1 kristaps 756: default:
1.94 ! kristaps 757: abort();
! 758: /* NOTREACHED */
1.1 kristaps 759: }
760:
1.94 ! kristaps 761: /* Check whether we have duplicates. */
! 762:
! 763: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
! 764: return(0);
! 765:
! 766: /* Make our auxiliary assignments. */
! 767:
! 768: if (offs && ! dup)
! 769: n->data.Bd.offs = offs;
! 770: if (comp && ! dup)
! 771: n->data.Bd.comp = comp;
! 772:
! 773: /* Check whether a type has already been assigned. */
! 774:
! 775: if (DISP__NONE != dt && n->data.Bd.type != DISP__NONE)
1.93 kristaps 776: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
777: return(0);
778:
1.94 ! kristaps 779: /* Make our type assignment. */
! 780:
! 781: if (DISP__NONE != dt && n->data.Bd.type == DISP__NONE)
! 782: n->data.Bd.type = dt;
1.93 kristaps 783: }
784:
1.94 ! kristaps 785: if (DISP__NONE == n->data.Bd.type) {
1.93 kristaps 786: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
787: return(0);
1.94 ! kristaps 788: n->data.Bd.type = DISP_ragged;
1.93 kristaps 789: }
790:
791: return(1);
1.1 kristaps 792: }
793:
794:
795: static int
796: pre_ss(PRE_ARGS)
797: {
798:
799: if (MDOC_BLOCK != n->type)
800: return(1);
801: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
802: }
803:
804:
805: static int
806: pre_sh(PRE_ARGS)
807: {
808:
809: if (MDOC_BLOCK != n->type)
810: return(1);
1.70 kristaps 811: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 812: }
813:
814:
815: static int
816: pre_it(PRE_ARGS)
817: {
818:
819: if (MDOC_BLOCK != n->type)
820: return(1);
1.79 kristaps 821: /*
822: * FIXME: this can probably be lifted if we make the It into
823: * something else on-the-fly?
824: */
1.1 kristaps 825: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
826: }
827:
828:
829: static int
830: pre_an(PRE_ARGS)
831: {
832:
833: if (NULL == n->args || 1 == n->args->argc)
834: return(1);
1.79 kristaps 835: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
836: n->line, n->pos,
837: "line arguments == 1 (have %d)",
838: n->args->argc);
839: return(0);
1.1 kristaps 840: }
841:
842:
843: static int
844: pre_rv(PRE_ARGS)
845: {
846:
847: return(check_stdarg(mdoc, n));
848: }
849:
850:
851: static int
1.85 kristaps 852: post_dt(POST_ARGS)
853: {
854: const struct mdoc_node *nn;
855: const char *p;
856:
857: if (NULL != (nn = mdoc->last->child))
858: for (p = nn->string; *p; p++) {
1.86 kristaps 859: if (toupper((u_char)*p) == *p)
1.85 kristaps 860: continue;
861: if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
862: return(0);
863: break;
864: }
865:
866: return(1);
867: }
868:
869:
870: static int
1.1 kristaps 871: pre_dt(PRE_ARGS)
872: {
1.54 kristaps 873:
1.1 kristaps 874: if (0 == mdoc->meta.date || mdoc->meta.os)
1.79 kristaps 875: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 876: return(0);
877: if (mdoc->meta.title)
1.79 kristaps 878: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 879: return(0);
880: return(1);
881: }
882:
883:
884: static int
885: pre_os(PRE_ARGS)
886: {
887:
888: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.79 kristaps 889: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 890: return(0);
891: if (mdoc->meta.os)
1.79 kristaps 892: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 893: return(0);
894: return(1);
895: }
896:
897:
898: static int
899: pre_dd(PRE_ARGS)
900: {
901:
902: if (mdoc->meta.title || mdoc->meta.os)
1.79 kristaps 903: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 904: return(0);
905: if (mdoc->meta.date)
1.79 kristaps 906: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 907: return(0);
908: return(1);
909: }
910:
911:
912: static int
913: post_bf(POST_ARGS)
914: {
915: char *p;
916: struct mdoc_node *head;
917:
918: if (MDOC_BLOCK != mdoc->last->type)
919: return(1);
920:
921: head = mdoc->last->head;
922:
1.79 kristaps 923: if (mdoc->last->args && head->child) {
924: /* FIXME: this should provide a default. */
925: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
926: return(0);
927: } else if (mdoc->last->args)
1.13 kristaps 928: return(1);
1.12 kristaps 929:
1.79 kristaps 930: if (NULL == head->child || MDOC_TEXT != head->child->type) {
931: /* FIXME: this should provide a default. */
932: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
933: return(0);
934: }
1.1 kristaps 935:
1.13 kristaps 936: p = head->child->string;
1.1 kristaps 937:
1.13 kristaps 938: if (0 == strcmp(p, "Em"))
939: return(1);
940: else if (0 == strcmp(p, "Li"))
941: return(1);
1.37 kristaps 942: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 943: return(1);
1.1 kristaps 944:
1.79 kristaps 945: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
946: return(0);
1.1 kristaps 947: }
948:
949:
950: static int
1.31 kristaps 951: post_lb(POST_ARGS)
952: {
953:
954: if (mdoc_a2lib(mdoc->last->child->string))
955: return(1);
1.79 kristaps 956: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.84 kristaps 957: }
958:
959:
960: static int
961: post_eoln(POST_ARGS)
962: {
963:
964: if (NULL == mdoc->last->child)
965: return(1);
966: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1.31 kristaps 967: }
968:
969:
970: static int
1.57 kristaps 971: post_vt(POST_ARGS)
972: {
973: const struct mdoc_node *n;
974:
975: /*
976: * The Vt macro comes in both ELEM and BLOCK form, both of which
977: * have different syntaxes (yet more context-sensitive
978: * behaviour). ELEM types must have a child; BLOCK types,
979: * specifically the BODY, should only have TEXT children.
980: */
981:
982: if (MDOC_ELEM == mdoc->last->type)
983: return(eerr_ge1(mdoc));
984: if (MDOC_BODY != mdoc->last->type)
985: return(1);
986:
987: for (n = mdoc->last->child; n; n = n->next)
988: if (MDOC_TEXT != n->type)
1.79 kristaps 989: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.57 kristaps 990: return(0);
991:
992: return(1);
993: }
994:
995:
996: static int
1.1 kristaps 997: post_nm(POST_ARGS)
998: {
999:
1000: if (mdoc->last->child)
1001: return(1);
1002: if (mdoc->meta.name)
1003: return(1);
1.79 kristaps 1004: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 1005: }
1006:
1007:
1008: static int
1009: post_at(POST_ARGS)
1010: {
1011:
1012: if (NULL == mdoc->last->child)
1013: return(1);
1.79 kristaps 1014: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 1015: if (mdoc_a2att(mdoc->last->child->string))
1016: return(1);
1.79 kristaps 1017: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 1018: }
1019:
1020:
1021: static int
1022: post_an(POST_ARGS)
1023: {
1024:
1025: if (mdoc->last->args) {
1026: if (NULL == mdoc->last->child)
1027: return(1);
1.79 kristaps 1028: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 1029: }
1030:
1031: if (mdoc->last->child)
1032: return(1);
1.79 kristaps 1033: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 1034: }
1035:
1036:
1037: static int
1038: post_it(POST_ARGS)
1039: {
1.89 kristaps 1040: int i, cols, rc;
1041: enum mdoc_list lt;
1.1 kristaps 1042: struct mdoc_node *n, *c;
1.89 kristaps 1043: enum mandocerr er;
1.1 kristaps 1044:
1045: if (MDOC_BLOCK != mdoc->last->type)
1046: return(1);
1047:
1048: n = mdoc->last->parent->parent;
1.89 kristaps 1049: lt = n->data.list;
1050:
1051: if (LIST__NONE == lt) {
1.79 kristaps 1052: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1053: return(0);
1054: }
1.1 kristaps 1055:
1.89 kristaps 1056: switch (lt) {
1057: case (LIST_tag):
1058: if (mdoc->last->head->child)
1.1 kristaps 1059: break;
1.89 kristaps 1060: /* FIXME: give this a dummy value. */
1061: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1062: return(0);
1.1 kristaps 1063: break;
1.89 kristaps 1064: case (LIST_hang):
1.1 kristaps 1065: /* FALLTHROUGH */
1.89 kristaps 1066: case (LIST_ohang):
1.1 kristaps 1067: /* FALLTHROUGH */
1.89 kristaps 1068: case (LIST_inset):
1.1 kristaps 1069: /* FALLTHROUGH */
1.89 kristaps 1070: case (LIST_diag):
1.1 kristaps 1071: if (NULL == mdoc->last->head->child)
1.79 kristaps 1072: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1073: return(0);
1074: if (NULL == mdoc->last->body->child)
1.79 kristaps 1075: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1076: return(0);
1077: break;
1.89 kristaps 1078: case (LIST_bullet):
1.1 kristaps 1079: /* FALLTHROUGH */
1.89 kristaps 1080: case (LIST_dash):
1.1 kristaps 1081: /* FALLTHROUGH */
1.89 kristaps 1082: case (LIST_enum):
1.1 kristaps 1083: /* FALLTHROUGH */
1.89 kristaps 1084: case (LIST_hyphen):
1.1 kristaps 1085: /* FALLTHROUGH */
1.89 kristaps 1086: case (LIST_item):
1.1 kristaps 1087: if (mdoc->last->head->child)
1.79 kristaps 1088: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 1089: return(0);
1090: if (NULL == mdoc->last->body->child)
1.79 kristaps 1091: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1092: return(0);
1093: break;
1.89 kristaps 1094: case (LIST_column):
1095: cols = -1;
1096: for (i = 0; i < (int)n->args->argc; i++)
1097: if (MDOC_Column == n->args->argv[i].arg) {
1098: cols = (int)n->args->argv[i].sz;
1099: break;
1100: }
1101:
1102: assert(-1 != cols);
1.87 kristaps 1103: assert(NULL == mdoc->last->head->child);
1.89 kristaps 1104:
1.87 kristaps 1105: if (NULL == mdoc->last->body->child)
1106: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1107: return(0);
1.87 kristaps 1108:
1.89 kristaps 1109: for (i = 0, c = mdoc->last->child; c; c = c->next)
1.87 kristaps 1110: if (MDOC_BODY == c->type)
1111: i++;
1.38 kristaps 1112:
1.89 kristaps 1113: if (i < cols)
1114: er = MANDOCERR_ARGCOUNT;
1115: else if (i == cols || i == cols + 1)
1.38 kristaps 1116: break;
1.89 kristaps 1117: else
1118: er = MANDOCERR_SYNTARGCOUNT;
1.38 kristaps 1119:
1.89 kristaps 1120: rc = mdoc_vmsg(mdoc, er,
1.79 kristaps 1121: mdoc->last->line, mdoc->last->pos,
1122: "columns == %d (have %d)", cols, i);
1.89 kristaps 1123: return(rc);
1.1 kristaps 1124: default:
1125: break;
1126: }
1127:
1128: return(1);
1129: }
1130:
1131:
1132: static int
1.14 kristaps 1133: post_bl_head(POST_ARGS)
1134: {
1.90 kristaps 1135: int i;
1136: struct mdoc_node *n;
1.14 kristaps 1137:
1.90 kristaps 1138: assert(mdoc->last->parent);
1.14 kristaps 1139: n = mdoc->last->parent;
1140:
1.90 kristaps 1141: if (LIST_column == n->data.list) {
1142: for (i = 0; i < (int)n->args->argc; i++)
1143: if (MDOC_Column == n->args->argv[i].arg)
1144: break;
1145: assert(i < (int)n->args->argc);
1146:
1147: if (n->args->argv[i].sz && mdoc->last->nchild) {
1148: mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
1149: return(0);
1.65 kristaps 1150: }
1.90 kristaps 1151: return(1);
1.65 kristaps 1152: }
1.14 kristaps 1153:
1.65 kristaps 1154: if (0 == (i = mdoc->last->nchild))
1155: return(1);
1156: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.14 kristaps 1157: }
1158:
1159:
1160: static int
1.1 kristaps 1161: post_bl(POST_ARGS)
1162: {
1163: struct mdoc_node *n;
1164:
1.14 kristaps 1165: if (MDOC_HEAD == mdoc->last->type)
1166: return(post_bl_head(mdoc));
1.1 kristaps 1167: if (MDOC_BODY != mdoc->last->type)
1168: return(1);
1169: if (NULL == mdoc->last->child)
1170: return(1);
1171:
1.55 kristaps 1172: /*
1173: * We only allow certain children of `Bl'. This is usually on
1174: * `It', but apparently `Sm' occurs here and there, so we let
1175: * that one through, too.
1176: */
1177:
1.1 kristaps 1178: /* LINTED */
1179: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1180: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1181: continue;
1182: if (MDOC_Sm == n->tok)
1183: continue;
1.79 kristaps 1184: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1185: return(0);
1.1 kristaps 1186: }
1187:
1188: return(1);
1189: }
1190:
1191:
1192: static int
1193: ebool(struct mdoc *mdoc)
1194: {
1195: struct mdoc_node *n;
1196:
1197: /* LINTED */
1198: for (n = mdoc->last->child; n; n = n->next) {
1199: if (MDOC_TEXT != n->type)
1200: break;
1.2 kristaps 1201: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1202: continue;
1.2 kristaps 1203: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1204: continue;
1205: break;
1206: }
1207:
1208: if (NULL == n)
1209: return(1);
1.79 kristaps 1210: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1211: }
1212:
1213:
1214: static int
1215: post_root(POST_ARGS)
1216: {
1217:
1218: if (NULL == mdoc->first->child)
1.79 kristaps 1219: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1220: else if ( ! (MDOC_PBODY & mdoc->flags))
1221: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1222: else if (MDOC_BLOCK != mdoc->first->child->type)
1223: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1224: else if (MDOC_Sh != mdoc->first->child->tok)
1225: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1226: else
1227: return(1);
1.1 kristaps 1228:
1.79 kristaps 1229: return(0);
1.1 kristaps 1230: }
1231:
1232:
1233: static int
1234: post_st(POST_ARGS)
1235: {
1236:
1237: if (mdoc_a2st(mdoc->last->child->string))
1238: return(1);
1.79 kristaps 1239: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.1 kristaps 1240: }
1241:
1242:
1243: static int
1.43 kristaps 1244: post_rs(POST_ARGS)
1245: {
1246: struct mdoc_node *nn;
1247:
1248: if (MDOC_BODY != mdoc->last->type)
1249: return(1);
1250:
1251: for (nn = mdoc->last->child; nn; nn = nn->next)
1252: switch (nn->tok) {
1.50 kristaps 1253: case(MDOC__U):
1254: /* FALLTHROUGH */
1.43 kristaps 1255: case(MDOC__Q):
1256: /* FALLTHROUGH */
1257: case(MDOC__C):
1258: /* FALLTHROUGH */
1259: case(MDOC__A):
1260: /* FALLTHROUGH */
1261: case(MDOC__B):
1262: /* FALLTHROUGH */
1263: case(MDOC__D):
1264: /* FALLTHROUGH */
1265: case(MDOC__I):
1266: /* FALLTHROUGH */
1267: case(MDOC__J):
1268: /* FALLTHROUGH */
1269: case(MDOC__N):
1270: /* FALLTHROUGH */
1271: case(MDOC__O):
1272: /* FALLTHROUGH */
1273: case(MDOC__P):
1274: /* FALLTHROUGH */
1275: case(MDOC__R):
1276: /* FALLTHROUGH */
1277: case(MDOC__T):
1278: /* FALLTHROUGH */
1279: case(MDOC__V):
1280: break;
1281: default:
1.79 kristaps 1282: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
1283: return(0);
1.43 kristaps 1284: }
1285:
1286: return(1);
1287: }
1288:
1289:
1290: static int
1.1 kristaps 1291: post_sh(POST_ARGS)
1292: {
1293:
1294: if (MDOC_HEAD == mdoc->last->type)
1295: return(post_sh_head(mdoc));
1296: if (MDOC_BODY == mdoc->last->type)
1297: return(post_sh_body(mdoc));
1298:
1299: return(1);
1300: }
1301:
1302:
1303: static int
1304: post_sh_body(POST_ARGS)
1305: {
1306: struct mdoc_node *n;
1307:
1.29 kristaps 1308: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1309: return(1);
1310:
1311: /*
1312: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1313: * macros (can have multiple `Nm' and one `Nd'). Note that the
1314: * children of the BODY declaration can also be "text".
1315: */
1316:
1317: if (NULL == (n = mdoc->last->child))
1.79 kristaps 1318: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1319:
1320: for ( ; n && n->next; n = n->next) {
1321: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1322: continue;
1.28 kristaps 1323: if (MDOC_TEXT == n->type)
1324: continue;
1.79 kristaps 1325: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1326: return(0);
1327: }
1328:
1.41 kristaps 1329: assert(n);
1.27 kristaps 1330: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1331: return(1);
1.79 kristaps 1332: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1333: }
1334:
1335:
1336: static int
1337: post_sh_head(POST_ARGS)
1338: {
1.81 kristaps 1339: char buf[BUFSIZ];
1.2 kristaps 1340: enum mdoc_sec sec;
1341: const struct mdoc_node *n;
1.1 kristaps 1342:
1343: /*
1344: * Process a new section. Sections are either "named" or
1345: * "custom"; custom sections are user-defined, while named ones
1346: * usually follow a conventional order and may only appear in
1347: * certain manual sections.
1348: */
1349:
1.79 kristaps 1350: buf[0] = '\0';
1351:
1352: /*
1353: * FIXME: yes, these can use a dynamic buffer, but I don't do so
1354: * in the interests of simplicity.
1355: */
1.1 kristaps 1356:
1.2 kristaps 1357: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1358: /* XXX - copied from compact(). */
1.2 kristaps 1359: assert(MDOC_TEXT == n->type);
1.12 kristaps 1360:
1.81 kristaps 1361: if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1362: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1363: return(0);
1364: }
1.2 kristaps 1365: if (NULL == n->next)
1366: continue;
1.81 kristaps 1367: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1368: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1369: return(0);
1370: }
1.2 kristaps 1371: }
1.1 kristaps 1372:
1.72 kristaps 1373: sec = mdoc_str2sec(buf);
1.1 kristaps 1374:
1.12 kristaps 1375: /*
1376: * Check: NAME should always be first, CUSTOM has no roles,
1377: * non-CUSTOM has a conventional order to be followed.
1378: */
1.1 kristaps 1379:
1.72 kristaps 1380: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.79 kristaps 1381: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.72 kristaps 1382: return(0);
1383:
1.1 kristaps 1384: if (SEC_CUSTOM == sec)
1385: return(1);
1.72 kristaps 1386:
1.1 kristaps 1387: if (sec == mdoc->lastnamed)
1.79 kristaps 1388: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.26 kristaps 1389: return(0);
1.72 kristaps 1390:
1.1 kristaps 1391: if (sec < mdoc->lastnamed)
1.79 kristaps 1392: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.26 kristaps 1393: return(0);
1.1 kristaps 1394:
1.12 kristaps 1395: /*
1396: * Check particular section/manual conventions. LIBRARY can
1.78 kristaps 1397: * only occur in manual section 2, 3, and 9.
1.12 kristaps 1398: */
1.1 kristaps 1399:
1400: switch (sec) {
1401: case (SEC_LIBRARY):
1.78 kristaps 1402: assert(mdoc->meta.msec);
1403: if (*mdoc->meta.msec == '2')
1404: break;
1405: if (*mdoc->meta.msec == '3')
1406: break;
1407: if (*mdoc->meta.msec == '9')
1.1 kristaps 1408: break;
1.79 kristaps 1409: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1410: default:
1411: break;
1412: }
1413:
1414: return(1);
1415: }
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