Annotation of mandoc/mdoc_validate.c, Revision 1.96
1.96 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.95 2010/06/12 11:41:50 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);
1.96 ! kristaps 542: assert(LIST__NONE != n->parent->data.Bl.type);
! 543: memcpy(&n->data.Bl, &n->parent->data.Bl,
! 544: sizeof(struct mdoc_bl));
1.1 kristaps 545: return(1);
1.79 kristaps 546: }
1.1 kristaps 547:
1.91 kristaps 548: /*
549: * First figure out which kind of list to use: bind ourselves to
550: * the first mentioned list type and warn about any remaining
551: * ones. If we find no list type, we default to LIST_item.
552: */
1.1 kristaps 553:
1.96 ! kristaps 554: assert(LIST__NONE == n->data.Bl.type);
1.91 kristaps 555: offs = width = cmpt = -1;
1.1 kristaps 556:
557: /* LINTED */
1.91 kristaps 558: for (i = 0; n->args && i < (int)n->args->argc; i++) {
559: lt = LIST__NONE;
560: dupl = 0;
561: switch (n->args->argv[i].arg) {
562: /* Set list types. */
1.1 kristaps 563: case (MDOC_Bullet):
1.91 kristaps 564: lt = LIST_bullet;
565: break;
1.1 kristaps 566: case (MDOC_Dash):
1.91 kristaps 567: lt = LIST_dash;
568: break;
1.1 kristaps 569: case (MDOC_Enum):
1.91 kristaps 570: lt = LIST_enum;
571: break;
1.1 kristaps 572: case (MDOC_Hyphen):
1.91 kristaps 573: lt = LIST_hyphen;
574: break;
1.1 kristaps 575: case (MDOC_Item):
1.91 kristaps 576: lt = LIST_item;
577: break;
1.1 kristaps 578: case (MDOC_Tag):
1.91 kristaps 579: lt = LIST_tag;
580: break;
1.1 kristaps 581: case (MDOC_Diag):
1.91 kristaps 582: lt = LIST_diag;
583: break;
1.1 kristaps 584: case (MDOC_Hang):
1.91 kristaps 585: lt = LIST_hang;
586: break;
1.1 kristaps 587: case (MDOC_Ohang):
1.91 kristaps 588: lt = LIST_ohang;
589: break;
1.1 kristaps 590: case (MDOC_Inset):
1.91 kristaps 591: lt = LIST_inset;
592: break;
1.1 kristaps 593: case (MDOC_Column):
1.91 kristaps 594: lt = LIST_column;
595: break;
596: /* Set list arguments. */
1.45 kristaps 597: case (MDOC_Compact):
1.91 kristaps 598: if (cmpt >= 0)
599: dupl++;
600: cmpt = i;
601: break;
1.1 kristaps 602: case (MDOC_Width):
1.45 kristaps 603: if (width >= 0)
1.91 kristaps 604: dupl++;
605: width = i;
1.8 kristaps 606: break;
1.1 kristaps 607: case (MDOC_Offset):
1.91 kristaps 608: if (offs >= 0)
609: dupl++;
610: offs = i;
1.1 kristaps 611: break;
612: }
613:
1.91 kristaps 614: /* Check: duplicate auxiliary arguments. */
615:
616: if (dupl)
617: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
618: return(0);
619:
620: /* Check: multiple list types. */
621:
1.96 ! kristaps 622: if (LIST__NONE != lt && n->data.Bl.type != LIST__NONE)
1.91 kristaps 623: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
624: return(0);
625:
626: /* Assign list type. */
627:
1.96 ! kristaps 628: if (LIST__NONE != lt && n->data.Bl.type == LIST__NONE)
! 629: n->data.Bl.type = lt;
1.91 kristaps 630:
631: /* The list type should come first. */
632:
1.96 ! kristaps 633: if (n->data.Bl.type == LIST__NONE)
1.91 kristaps 634: if (width >= 0 || offs >= 0 || cmpt >= 0)
635: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
636: return(0);
637:
638: continue;
639: }
640:
641: /* Allow lists to default to LIST_item. */
642:
1.96 ! kristaps 643: if (LIST__NONE == n->data.Bl.type) {
1.91 kristaps 644: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
645: return(0);
1.96 ! kristaps 646: n->data.Bl.type = LIST_item;
1.79 kristaps 647: }
1.1 kristaps 648:
1.8 kristaps 649: /*
650: * Validate the width field. Some list types don't need width
651: * types and should be warned about them. Others should have it
652: * and must also be warned.
653: */
654:
1.96 ! kristaps 655: switch (n->data.Bl.type) {
1.91 kristaps 656: case (LIST_tag):
657: if (width >= 0)
658: break;
659: if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
660: break;
661: return(0);
662: case (LIST_column):
1.1 kristaps 663: /* FALLTHROUGH */
1.91 kristaps 664: case (LIST_diag):
1.1 kristaps 665: /* FALLTHROUGH */
1.91 kristaps 666: case (LIST_ohang):
1.53 kristaps 667: /* FALLTHROUGH */
1.91 kristaps 668: case (LIST_inset):
1.1 kristaps 669: /* FALLTHROUGH */
1.91 kristaps 670: case (LIST_item):
671: if (width < 0)
672: break;
673: if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
674: break;
675: return(0);
1.8 kristaps 676: default:
677: break;
678: }
679:
1.1 kristaps 680: return(1);
681: }
682:
683:
684: static int
685: pre_bd(PRE_ARGS)
686: {
1.94 kristaps 687: int i, dup, comp;
1.93 kristaps 688: enum mdoc_disp dt;
1.94 kristaps 689: const char *offs;
1.1 kristaps 690:
1.93 kristaps 691: if (MDOC_BLOCK != n->type) {
692: assert(n->parent);
693: assert(MDOC_BLOCK == n->parent->type);
694: assert(MDOC_Bd == n->parent->tok);
1.94 kristaps 695: assert(DISP__NONE != n->parent->data.Bd.type);
696: memcpy(&n->data.Bd, &n->parent->data.Bd,
697: sizeof(struct mdoc_bd));
1.1 kristaps 698: return(1);
1.79 kristaps 699: }
1.1 kristaps 700:
1.94 kristaps 701: assert(DISP__NONE == n->data.Bd.type);
1.1 kristaps 702:
703: /* LINTED */
1.93 kristaps 704: for (i = 0; n->args && i < (int)n->args->argc; i++) {
705: dt = DISP__NONE;
1.94 kristaps 706: dup = comp = 0;
707: offs = NULL;
708:
1.1 kristaps 709: switch (n->args->argv[i].arg) {
1.49 kristaps 710: case (MDOC_Centred):
1.93 kristaps 711: dt = DISP_centred;
712: break;
1.1 kristaps 713: case (MDOC_Ragged):
1.93 kristaps 714: dt = DISP_ragged;
715: break;
1.1 kristaps 716: case (MDOC_Unfilled):
1.93 kristaps 717: dt = DISP_unfilled;
718: break;
1.1 kristaps 719: case (MDOC_Filled):
1.93 kristaps 720: dt = DISP_filled;
721: break;
1.1 kristaps 722: case (MDOC_Literal):
1.93 kristaps 723: dt = DISP_literal;
1.79 kristaps 724: break;
1.93 kristaps 725: case (MDOC_File):
726: mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
727: return(0);
728: case (MDOC_Offset):
1.94 kristaps 729: /* NB: this can be empty! */
730: if (n->args->argv[i].sz) {
731: offs = n->args->argv[i].value[0];
732: dup = (NULL != n->data.Bd.offs);
733: break;
734: }
1.95 kristaps 735: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
736: return(0);
1.94 kristaps 737: break;
1.93 kristaps 738: case (MDOC_Compact):
1.94 kristaps 739: comp = 1;
740: dup = n->data.Bd.comp;
741: break;
1.1 kristaps 742: default:
1.94 kristaps 743: abort();
744: /* NOTREACHED */
1.1 kristaps 745: }
746:
1.94 kristaps 747: /* Check whether we have duplicates. */
748:
749: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
750: return(0);
751:
752: /* Make our auxiliary assignments. */
753:
754: if (offs && ! dup)
755: n->data.Bd.offs = offs;
756: if (comp && ! dup)
757: n->data.Bd.comp = comp;
758:
759: /* Check whether a type has already been assigned. */
760:
761: if (DISP__NONE != dt && n->data.Bd.type != DISP__NONE)
1.93 kristaps 762: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
763: return(0);
764:
1.94 kristaps 765: /* Make our type assignment. */
766:
767: if (DISP__NONE != dt && n->data.Bd.type == DISP__NONE)
768: n->data.Bd.type = dt;
1.93 kristaps 769: }
770:
1.94 kristaps 771: if (DISP__NONE == n->data.Bd.type) {
1.93 kristaps 772: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
773: return(0);
1.94 kristaps 774: n->data.Bd.type = DISP_ragged;
1.93 kristaps 775: }
776:
777: return(1);
1.1 kristaps 778: }
779:
780:
781: static int
782: pre_ss(PRE_ARGS)
783: {
784:
785: if (MDOC_BLOCK != n->type)
786: return(1);
787: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
788: }
789:
790:
791: static int
792: pre_sh(PRE_ARGS)
793: {
794:
795: if (MDOC_BLOCK != n->type)
796: return(1);
1.70 kristaps 797: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 798: }
799:
800:
801: static int
802: pre_it(PRE_ARGS)
803: {
804:
805: if (MDOC_BLOCK != n->type)
806: return(1);
1.79 kristaps 807: /*
808: * FIXME: this can probably be lifted if we make the It into
809: * something else on-the-fly?
810: */
1.1 kristaps 811: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
812: }
813:
814:
815: static int
816: pre_an(PRE_ARGS)
817: {
818:
819: if (NULL == n->args || 1 == n->args->argc)
820: return(1);
1.79 kristaps 821: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
822: n->line, n->pos,
823: "line arguments == 1 (have %d)",
824: n->args->argc);
825: return(0);
1.1 kristaps 826: }
827:
828:
829: static int
830: pre_rv(PRE_ARGS)
831: {
832:
833: return(check_stdarg(mdoc, n));
834: }
835:
836:
837: static int
1.85 kristaps 838: post_dt(POST_ARGS)
839: {
840: const struct mdoc_node *nn;
841: const char *p;
842:
843: if (NULL != (nn = mdoc->last->child))
844: for (p = nn->string; *p; p++) {
1.86 kristaps 845: if (toupper((u_char)*p) == *p)
1.85 kristaps 846: continue;
847: if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
848: return(0);
849: break;
850: }
851:
852: return(1);
853: }
854:
855:
856: static int
1.1 kristaps 857: pre_dt(PRE_ARGS)
858: {
1.54 kristaps 859:
1.1 kristaps 860: if (0 == mdoc->meta.date || mdoc->meta.os)
1.79 kristaps 861: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 862: return(0);
863: if (mdoc->meta.title)
1.79 kristaps 864: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 865: return(0);
866: return(1);
867: }
868:
869:
870: static int
871: pre_os(PRE_ARGS)
872: {
873:
874: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.79 kristaps 875: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 876: return(0);
877: if (mdoc->meta.os)
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_dd(PRE_ARGS)
886: {
887:
888: if (mdoc->meta.title || mdoc->meta.os)
1.79 kristaps 889: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 890: return(0);
891: if (mdoc->meta.date)
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: post_bf(POST_ARGS)
900: {
901: char *p;
902: struct mdoc_node *head;
903:
904: if (MDOC_BLOCK != mdoc->last->type)
905: return(1);
906:
907: head = mdoc->last->head;
908:
1.79 kristaps 909: if (mdoc->last->args && head->child) {
910: /* FIXME: this should provide a default. */
911: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
912: return(0);
913: } else if (mdoc->last->args)
1.13 kristaps 914: return(1);
1.12 kristaps 915:
1.79 kristaps 916: if (NULL == head->child || MDOC_TEXT != head->child->type) {
917: /* FIXME: this should provide a default. */
918: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
919: return(0);
920: }
1.1 kristaps 921:
1.13 kristaps 922: p = head->child->string;
1.1 kristaps 923:
1.13 kristaps 924: if (0 == strcmp(p, "Em"))
925: return(1);
926: else if (0 == strcmp(p, "Li"))
927: return(1);
1.37 kristaps 928: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 929: return(1);
1.1 kristaps 930:
1.79 kristaps 931: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
932: return(0);
1.1 kristaps 933: }
934:
935:
936: static int
1.31 kristaps 937: post_lb(POST_ARGS)
938: {
939:
940: if (mdoc_a2lib(mdoc->last->child->string))
941: return(1);
1.79 kristaps 942: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.84 kristaps 943: }
944:
945:
946: static int
947: post_eoln(POST_ARGS)
948: {
949:
950: if (NULL == mdoc->last->child)
951: return(1);
952: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1.31 kristaps 953: }
954:
955:
956: static int
1.57 kristaps 957: post_vt(POST_ARGS)
958: {
959: const struct mdoc_node *n;
960:
961: /*
962: * The Vt macro comes in both ELEM and BLOCK form, both of which
963: * have different syntaxes (yet more context-sensitive
964: * behaviour). ELEM types must have a child; BLOCK types,
965: * specifically the BODY, should only have TEXT children.
966: */
967:
968: if (MDOC_ELEM == mdoc->last->type)
969: return(eerr_ge1(mdoc));
970: if (MDOC_BODY != mdoc->last->type)
971: return(1);
972:
973: for (n = mdoc->last->child; n; n = n->next)
974: if (MDOC_TEXT != n->type)
1.79 kristaps 975: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.57 kristaps 976: return(0);
977:
978: return(1);
979: }
980:
981:
982: static int
1.1 kristaps 983: post_nm(POST_ARGS)
984: {
985:
986: if (mdoc->last->child)
987: return(1);
988: if (mdoc->meta.name)
989: return(1);
1.79 kristaps 990: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 991: }
992:
993:
994: static int
995: post_at(POST_ARGS)
996: {
997:
998: if (NULL == mdoc->last->child)
999: return(1);
1.79 kristaps 1000: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 1001: if (mdoc_a2att(mdoc->last->child->string))
1002: return(1);
1.79 kristaps 1003: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 1004: }
1005:
1006:
1007: static int
1008: post_an(POST_ARGS)
1009: {
1010:
1011: if (mdoc->last->args) {
1012: if (NULL == mdoc->last->child)
1013: return(1);
1.79 kristaps 1014: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 1015: }
1016:
1017: if (mdoc->last->child)
1018: return(1);
1.79 kristaps 1019: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 1020: }
1021:
1022:
1023: static int
1024: post_it(POST_ARGS)
1025: {
1.89 kristaps 1026: int i, cols, rc;
1027: enum mdoc_list lt;
1.1 kristaps 1028: struct mdoc_node *n, *c;
1.89 kristaps 1029: enum mandocerr er;
1.1 kristaps 1030:
1031: if (MDOC_BLOCK != mdoc->last->type)
1032: return(1);
1033:
1034: n = mdoc->last->parent->parent;
1.96 ! kristaps 1035: lt = n->data.Bl.type;
1.89 kristaps 1036:
1037: if (LIST__NONE == lt) {
1.79 kristaps 1038: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1039: return(0);
1040: }
1.1 kristaps 1041:
1.89 kristaps 1042: switch (lt) {
1043: case (LIST_tag):
1044: if (mdoc->last->head->child)
1.1 kristaps 1045: break;
1.89 kristaps 1046: /* FIXME: give this a dummy value. */
1047: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1048: return(0);
1.1 kristaps 1049: break;
1.89 kristaps 1050: case (LIST_hang):
1.1 kristaps 1051: /* FALLTHROUGH */
1.89 kristaps 1052: case (LIST_ohang):
1.1 kristaps 1053: /* FALLTHROUGH */
1.89 kristaps 1054: case (LIST_inset):
1.1 kristaps 1055: /* FALLTHROUGH */
1.89 kristaps 1056: case (LIST_diag):
1.1 kristaps 1057: if (NULL == mdoc->last->head->child)
1.79 kristaps 1058: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1059: return(0);
1060: if (NULL == mdoc->last->body->child)
1.79 kristaps 1061: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1062: return(0);
1063: break;
1.89 kristaps 1064: case (LIST_bullet):
1.1 kristaps 1065: /* FALLTHROUGH */
1.89 kristaps 1066: case (LIST_dash):
1.1 kristaps 1067: /* FALLTHROUGH */
1.89 kristaps 1068: case (LIST_enum):
1.1 kristaps 1069: /* FALLTHROUGH */
1.89 kristaps 1070: case (LIST_hyphen):
1.1 kristaps 1071: /* FALLTHROUGH */
1.89 kristaps 1072: case (LIST_item):
1.1 kristaps 1073: if (mdoc->last->head->child)
1.79 kristaps 1074: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 1075: return(0);
1076: if (NULL == mdoc->last->body->child)
1.79 kristaps 1077: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1078: return(0);
1079: break;
1.89 kristaps 1080: case (LIST_column):
1081: cols = -1;
1082: for (i = 0; i < (int)n->args->argc; i++)
1083: if (MDOC_Column == n->args->argv[i].arg) {
1084: cols = (int)n->args->argv[i].sz;
1085: break;
1086: }
1087:
1088: assert(-1 != cols);
1.87 kristaps 1089: assert(NULL == mdoc->last->head->child);
1.89 kristaps 1090:
1.87 kristaps 1091: if (NULL == mdoc->last->body->child)
1092: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1093: return(0);
1.87 kristaps 1094:
1.89 kristaps 1095: for (i = 0, c = mdoc->last->child; c; c = c->next)
1.87 kristaps 1096: if (MDOC_BODY == c->type)
1097: i++;
1.38 kristaps 1098:
1.89 kristaps 1099: if (i < cols)
1100: er = MANDOCERR_ARGCOUNT;
1101: else if (i == cols || i == cols + 1)
1.38 kristaps 1102: break;
1.89 kristaps 1103: else
1104: er = MANDOCERR_SYNTARGCOUNT;
1.38 kristaps 1105:
1.89 kristaps 1106: rc = mdoc_vmsg(mdoc, er,
1.79 kristaps 1107: mdoc->last->line, mdoc->last->pos,
1108: "columns == %d (have %d)", cols, i);
1.89 kristaps 1109: return(rc);
1.1 kristaps 1110: default:
1111: break;
1112: }
1113:
1114: return(1);
1115: }
1116:
1117:
1118: static int
1.14 kristaps 1119: post_bl_head(POST_ARGS)
1120: {
1.90 kristaps 1121: int i;
1122: struct mdoc_node *n;
1.14 kristaps 1123:
1.90 kristaps 1124: assert(mdoc->last->parent);
1.14 kristaps 1125: n = mdoc->last->parent;
1126:
1.96 ! kristaps 1127: if (LIST_column == n->data.Bl.type) {
1.90 kristaps 1128: for (i = 0; i < (int)n->args->argc; i++)
1129: if (MDOC_Column == n->args->argv[i].arg)
1130: break;
1131: assert(i < (int)n->args->argc);
1132:
1133: if (n->args->argv[i].sz && mdoc->last->nchild) {
1134: mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
1135: return(0);
1.65 kristaps 1136: }
1.90 kristaps 1137: return(1);
1.65 kristaps 1138: }
1.14 kristaps 1139:
1.65 kristaps 1140: if (0 == (i = mdoc->last->nchild))
1141: return(1);
1142: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.14 kristaps 1143: }
1144:
1145:
1146: static int
1.1 kristaps 1147: post_bl(POST_ARGS)
1148: {
1149: struct mdoc_node *n;
1150:
1.14 kristaps 1151: if (MDOC_HEAD == mdoc->last->type)
1152: return(post_bl_head(mdoc));
1.1 kristaps 1153: if (MDOC_BODY != mdoc->last->type)
1154: return(1);
1155: if (NULL == mdoc->last->child)
1156: return(1);
1157:
1.55 kristaps 1158: /*
1159: * We only allow certain children of `Bl'. This is usually on
1160: * `It', but apparently `Sm' occurs here and there, so we let
1161: * that one through, too.
1162: */
1163:
1.1 kristaps 1164: /* LINTED */
1165: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1166: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1167: continue;
1168: if (MDOC_Sm == n->tok)
1169: continue;
1.79 kristaps 1170: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1171: return(0);
1.1 kristaps 1172: }
1173:
1174: return(1);
1175: }
1176:
1177:
1178: static int
1179: ebool(struct mdoc *mdoc)
1180: {
1181: struct mdoc_node *n;
1182:
1183: /* LINTED */
1184: for (n = mdoc->last->child; n; n = n->next) {
1185: if (MDOC_TEXT != n->type)
1186: break;
1.2 kristaps 1187: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1188: continue;
1.2 kristaps 1189: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1190: continue;
1191: break;
1192: }
1193:
1194: if (NULL == n)
1195: return(1);
1.79 kristaps 1196: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1197: }
1198:
1199:
1200: static int
1201: post_root(POST_ARGS)
1202: {
1203:
1204: if (NULL == mdoc->first->child)
1.79 kristaps 1205: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1206: else if ( ! (MDOC_PBODY & mdoc->flags))
1207: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1208: else if (MDOC_BLOCK != mdoc->first->child->type)
1209: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1210: else if (MDOC_Sh != mdoc->first->child->tok)
1211: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1212: else
1213: return(1);
1.1 kristaps 1214:
1.79 kristaps 1215: return(0);
1.1 kristaps 1216: }
1217:
1218:
1219: static int
1220: post_st(POST_ARGS)
1221: {
1222:
1223: if (mdoc_a2st(mdoc->last->child->string))
1224: return(1);
1.79 kristaps 1225: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.1 kristaps 1226: }
1227:
1228:
1229: static int
1.43 kristaps 1230: post_rs(POST_ARGS)
1231: {
1232: struct mdoc_node *nn;
1233:
1234: if (MDOC_BODY != mdoc->last->type)
1235: return(1);
1236:
1237: for (nn = mdoc->last->child; nn; nn = nn->next)
1238: switch (nn->tok) {
1.50 kristaps 1239: case(MDOC__U):
1240: /* FALLTHROUGH */
1.43 kristaps 1241: case(MDOC__Q):
1242: /* FALLTHROUGH */
1243: case(MDOC__C):
1244: /* FALLTHROUGH */
1245: case(MDOC__A):
1246: /* FALLTHROUGH */
1247: case(MDOC__B):
1248: /* FALLTHROUGH */
1249: case(MDOC__D):
1250: /* FALLTHROUGH */
1251: case(MDOC__I):
1252: /* FALLTHROUGH */
1253: case(MDOC__J):
1254: /* FALLTHROUGH */
1255: case(MDOC__N):
1256: /* FALLTHROUGH */
1257: case(MDOC__O):
1258: /* FALLTHROUGH */
1259: case(MDOC__P):
1260: /* FALLTHROUGH */
1261: case(MDOC__R):
1262: /* FALLTHROUGH */
1263: case(MDOC__T):
1264: /* FALLTHROUGH */
1265: case(MDOC__V):
1266: break;
1267: default:
1.79 kristaps 1268: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
1269: return(0);
1.43 kristaps 1270: }
1271:
1272: return(1);
1273: }
1274:
1275:
1276: static int
1.1 kristaps 1277: post_sh(POST_ARGS)
1278: {
1279:
1280: if (MDOC_HEAD == mdoc->last->type)
1281: return(post_sh_head(mdoc));
1282: if (MDOC_BODY == mdoc->last->type)
1283: return(post_sh_body(mdoc));
1284:
1285: return(1);
1286: }
1287:
1288:
1289: static int
1290: post_sh_body(POST_ARGS)
1291: {
1292: struct mdoc_node *n;
1293:
1.29 kristaps 1294: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1295: return(1);
1296:
1297: /*
1298: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1299: * macros (can have multiple `Nm' and one `Nd'). Note that the
1300: * children of the BODY declaration can also be "text".
1301: */
1302:
1303: if (NULL == (n = mdoc->last->child))
1.79 kristaps 1304: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1305:
1306: for ( ; n && n->next; n = n->next) {
1307: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1308: continue;
1.28 kristaps 1309: if (MDOC_TEXT == n->type)
1310: continue;
1.79 kristaps 1311: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1312: return(0);
1313: }
1314:
1.41 kristaps 1315: assert(n);
1.27 kristaps 1316: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1317: return(1);
1.79 kristaps 1318: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1319: }
1320:
1321:
1322: static int
1323: post_sh_head(POST_ARGS)
1324: {
1.81 kristaps 1325: char buf[BUFSIZ];
1.2 kristaps 1326: enum mdoc_sec sec;
1327: const struct mdoc_node *n;
1.1 kristaps 1328:
1329: /*
1330: * Process a new section. Sections are either "named" or
1331: * "custom"; custom sections are user-defined, while named ones
1332: * usually follow a conventional order and may only appear in
1333: * certain manual sections.
1334: */
1335:
1.79 kristaps 1336: buf[0] = '\0';
1337:
1338: /*
1339: * FIXME: yes, these can use a dynamic buffer, but I don't do so
1340: * in the interests of simplicity.
1341: */
1.1 kristaps 1342:
1.2 kristaps 1343: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1344: /* XXX - copied from compact(). */
1.2 kristaps 1345: assert(MDOC_TEXT == n->type);
1.12 kristaps 1346:
1.81 kristaps 1347: if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1348: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1349: return(0);
1350: }
1.2 kristaps 1351: if (NULL == n->next)
1352: continue;
1.81 kristaps 1353: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1354: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1355: return(0);
1356: }
1.2 kristaps 1357: }
1.1 kristaps 1358:
1.72 kristaps 1359: sec = mdoc_str2sec(buf);
1.1 kristaps 1360:
1.12 kristaps 1361: /*
1362: * Check: NAME should always be first, CUSTOM has no roles,
1363: * non-CUSTOM has a conventional order to be followed.
1364: */
1.1 kristaps 1365:
1.72 kristaps 1366: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.79 kristaps 1367: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.72 kristaps 1368: return(0);
1369:
1.1 kristaps 1370: if (SEC_CUSTOM == sec)
1371: return(1);
1.72 kristaps 1372:
1.1 kristaps 1373: if (sec == mdoc->lastnamed)
1.79 kristaps 1374: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.26 kristaps 1375: return(0);
1.72 kristaps 1376:
1.1 kristaps 1377: if (sec < mdoc->lastnamed)
1.79 kristaps 1378: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.26 kristaps 1379: return(0);
1.1 kristaps 1380:
1.12 kristaps 1381: /*
1382: * Check particular section/manual conventions. LIBRARY can
1.78 kristaps 1383: * only occur in manual section 2, 3, and 9.
1.12 kristaps 1384: */
1.1 kristaps 1385:
1386: switch (sec) {
1387: case (SEC_LIBRARY):
1.78 kristaps 1388: assert(mdoc->meta.msec);
1389: if (*mdoc->meta.msec == '2')
1390: break;
1391: if (*mdoc->meta.msec == '3')
1392: break;
1393: if (*mdoc->meta.msec == '9')
1.1 kristaps 1394: break;
1.79 kristaps 1395: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1396: default:
1397: break;
1398: }
1399:
1400: return(1);
1401: }
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