Annotation of mandoc/mdoc_validate.c, Revision 1.91
1.91 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.90 2010/05/31 23:40:25 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);
50: static int check_text(struct mdoc *, int, int, const char *);
51: static int check_argv(struct mdoc *,
1.1 kristaps 52: const struct mdoc_node *,
53: const struct mdoc_argv *);
1.32 kristaps 54: static int check_args(struct mdoc *,
1.1 kristaps 55: const struct mdoc_node *);
1.32 kristaps 56: static int err_child_lt(struct mdoc *, const char *, int);
57: static int warn_child_lt(struct mdoc *, const char *, int);
58: static int err_child_gt(struct mdoc *, const char *, int);
59: static int warn_child_gt(struct mdoc *, const char *, int);
60: static int err_child_eq(struct mdoc *, const char *, int);
61: static int warn_child_eq(struct mdoc *, const char *, int);
62: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 63: int, const char *, int);
1.32 kristaps 64: static int err_count(struct mdoc *, const char *,
1.1 kristaps 65: int, const char *, int);
1.32 kristaps 66:
67: static int berr_ge1(POST_ARGS);
68: static int bwarn_ge1(POST_ARGS);
69: static int ebool(POST_ARGS);
70: static int eerr_eq0(POST_ARGS);
71: static int eerr_eq1(POST_ARGS);
72: static int eerr_ge1(POST_ARGS);
1.46 kristaps 73: static int eerr_le1(POST_ARGS);
1.32 kristaps 74: static int ewarn_ge1(POST_ARGS);
75: static int herr_eq0(POST_ARGS);
76: static int herr_ge1(POST_ARGS);
77: static int hwarn_eq1(POST_ARGS);
1.66 kristaps 78: static int hwarn_eq0(POST_ARGS);
1.32 kristaps 79: static int hwarn_le1(POST_ARGS);
80:
81: static int post_an(POST_ARGS);
82: static int post_at(POST_ARGS);
83: static int post_bf(POST_ARGS);
84: static int post_bl(POST_ARGS);
85: static int post_bl_head(POST_ARGS);
1.85 kristaps 86: static int post_dt(POST_ARGS);
1.32 kristaps 87: static int post_it(POST_ARGS);
88: static int post_lb(POST_ARGS);
89: static int post_nm(POST_ARGS);
90: static int post_root(POST_ARGS);
1.43 kristaps 91: static int post_rs(POST_ARGS);
1.32 kristaps 92: static int post_sh(POST_ARGS);
93: static int post_sh_body(POST_ARGS);
94: static int post_sh_head(POST_ARGS);
95: static int post_st(POST_ARGS);
1.84 kristaps 96: static int post_eoln(POST_ARGS);
1.57 kristaps 97: static int post_vt(POST_ARGS);
1.32 kristaps 98: static int pre_an(PRE_ARGS);
99: static int pre_bd(PRE_ARGS);
100: static int pre_bl(PRE_ARGS);
101: static int pre_dd(PRE_ARGS);
102: static int pre_display(PRE_ARGS);
103: static int pre_dt(PRE_ARGS);
104: static int pre_it(PRE_ARGS);
105: static int pre_os(PRE_ARGS);
106: static int pre_rv(PRE_ARGS);
107: static int pre_sh(PRE_ARGS);
108: static int pre_ss(PRE_ARGS);
109:
110: static v_post posts_an[] = { post_an, NULL };
111: static v_post posts_at[] = { post_at, NULL };
1.66 kristaps 112: static v_post posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
1.32 kristaps 113: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
114: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
115: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
1.84 kristaps 116: static v_post posts_eoln[] = { post_eoln, NULL };
1.85 kristaps 117: static v_post posts_dt[] = { post_dt, NULL };
1.32 kristaps 118: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
119: static v_post posts_it[] = { post_it, NULL };
120: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
121: static v_post posts_nd[] = { berr_ge1, NULL };
122: static v_post posts_nm[] = { post_nm, NULL };
123: static v_post posts_notext[] = { eerr_eq0, NULL };
1.44 kristaps 124: static v_post posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
1.32 kristaps 125: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
1.46 kristaps 126: static v_post posts_sp[] = { eerr_le1, NULL };
1.32 kristaps 127: static v_post posts_ss[] = { herr_ge1, NULL };
128: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
129: static v_post posts_text[] = { eerr_ge1, NULL };
1.51 kristaps 130: static v_post posts_text1[] = { eerr_eq1, NULL };
1.57 kristaps 131: static v_post posts_vt[] = { post_vt, NULL };
1.32 kristaps 132: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
133: static v_post posts_wtext[] = { ewarn_ge1, NULL };
134: static v_pre pres_an[] = { pre_an, NULL };
135: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
136: static v_pre pres_bl[] = { pre_bl, NULL };
137: static v_pre pres_d1[] = { pre_display, NULL };
138: static v_pre pres_dd[] = { pre_dd, NULL };
139: static v_pre pres_dt[] = { pre_dt, NULL };
1.67 kristaps 140: static v_pre pres_er[] = { NULL, NULL };
1.76 kristaps 141: static v_pre pres_ex[] = { NULL, NULL };
1.77 kristaps 142: static v_pre pres_fd[] = { NULL, NULL };
1.32 kristaps 143: static v_pre pres_it[] = { pre_it, NULL };
144: static v_pre pres_os[] = { pre_os, NULL };
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] = {
1.10 kristaps 150: { NULL, NULL }, /* Ap */
1.1 kristaps 151: { pres_dd, posts_text }, /* Dd */
1.85 kristaps 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 */
1.34 kristaps 156: { NULL, posts_notext }, /* Pp */
1.1 kristaps 157: { pres_d1, posts_wline }, /* D1 */
158: { pres_d1, posts_wline }, /* Dl */
159: { pres_bd, posts_bd }, /* Bd */
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 */
1.69 kristaps 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 */
1.42 kristaps 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 */
1.51 kristaps 179: { NULL, posts_text1 }, /* In */
1.1 kristaps 180: { NULL, NULL }, /* Li */
1.27 kristaps 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 */
1.42 kristaps 186: { pres_rv, NULL }, /* Rv */
1.1 kristaps 187: { NULL, posts_st }, /* St */
188: { NULL, NULL }, /* Va */
1.57 kristaps 189: { NULL, posts_vt }, /* Vt */
1.84 kristaps 190: { NULL, posts_wtext }, /* Xr */
1.1 kristaps 191: { NULL, posts_text }, /* %A */
1.47 kristaps 192: { NULL, posts_text }, /* %B */ /* FIXME: can be used outside Rs/Re. */
1.54 kristaps 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 */
1.47 kristaps 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 */
1.51 kristaps 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 */
1.43 kristaps 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 */
250: { NULL, posts_wline }, /* Bk */
251: { NULL, NULL }, /* Ek */
1.84 kristaps 252: { NULL, posts_eoln }, /* Bt */
1.1 kristaps 253: { NULL, NULL }, /* Hf */
254: { NULL, NULL }, /* Fr */
1.84 kristaps 255: { NULL, posts_eoln }, /* Ud */
1.83 kristaps 256: { NULL, posts_lb }, /* Lb */
1.34 kristaps 257: { NULL, posts_notext }, /* Lp */
1.51 kristaps 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 */
1.33 kristaps 268: { NULL, posts_notext }, /* br */
1.35 kristaps 269: { NULL, posts_sp }, /* sp */
1.51 kristaps 270: { NULL, posts_text1 }, /* %U */
1.88 kristaps 271: { NULL, NULL }, /* Ta */
1.1 kristaps 272: };
273:
274:
275: int
1.91 ! kristaps 276: mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
1.1 kristaps 277: {
278: v_pre *p;
279: int line, pos;
280: const char *tp;
281:
282: if (MDOC_TEXT == n->type) {
283: tp = n->string;
284: line = n->line;
285: pos = n->pos;
286: return(check_text(mdoc, line, pos, tp));
287: }
288:
289: if ( ! check_args(mdoc, n))
290: return(0);
291: if (NULL == mdoc_valids[n->tok].pre)
292: return(1);
293: for (p = mdoc_valids[n->tok].pre; *p; p++)
294: if ( ! (*p)(mdoc, n))
295: return(0);
296: return(1);
297: }
298:
299:
300: int
301: mdoc_valid_post(struct mdoc *mdoc)
302: {
303: v_post *p;
304:
305: if (MDOC_VALID & mdoc->last->flags)
306: return(1);
307: mdoc->last->flags |= MDOC_VALID;
308:
309: if (MDOC_TEXT == mdoc->last->type)
310: return(1);
311: if (MDOC_ROOT == mdoc->last->type)
312: return(post_root(mdoc));
313:
314: if (NULL == mdoc_valids[mdoc->last->tok].post)
315: return(1);
316: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
317: if ( ! (*p)(mdoc))
318: return(0);
319:
320: return(1);
321: }
322:
323:
324: static inline int
325: warn_count(struct mdoc *m, const char *k,
326: int want, const char *v, int has)
327: {
328:
1.79 kristaps 329: return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT,
330: m->last->line, m->last->pos,
331: "%s %s %d (have %d)", v, k, want, has));
1.1 kristaps 332: }
333:
334:
335: static inline int
336: err_count(struct mdoc *m, const char *k,
337: int want, const char *v, int has)
338: {
339:
1.79 kristaps 340: mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT,
341: m->last->line, m->last->pos,
342: "%s %s %d (have %d)",
343: v, k, want, has);
344: return(0);
1.1 kristaps 345: }
346:
347:
348: /*
349: * Build these up with macros because they're basically the same check
350: * for different inequalities. Yes, this could be done with functions,
351: * but this is reasonable for now.
352: */
353:
354: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
355: static int \
356: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
357: { \
1.16 kristaps 358: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 359: return(1); \
1.16 kristaps 360: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 361: }
362:
363: #define CHECK_BODY_DEFN(name, lvl, func, num) \
364: static int \
365: b##lvl##_##name(POST_ARGS) \
366: { \
367: if (MDOC_BODY != mdoc->last->type) \
368: return(1); \
369: return(func(mdoc, "multi-line arguments", (num))); \
370: }
371:
372: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
373: static int \
374: e##lvl##_##name(POST_ARGS) \
375: { \
376: assert(MDOC_ELEM == mdoc->last->type); \
377: return(func(mdoc, "line arguments", (num))); \
378: }
379:
380: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
381: static int \
382: h##lvl##_##name(POST_ARGS) \
383: { \
384: if (MDOC_HEAD != mdoc->last->type) \
385: return(1); \
386: return(func(mdoc, "line arguments", (num))); \
387: }
388:
389:
390: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
391: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
392: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
393: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
394: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
395: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
396: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 397: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.84 kristaps 398: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_ge1() */
1.1 kristaps 399: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
1.46 kristaps 400: CHECK_ELEM_DEFN(le1, err, err_child_lt, 2) /* eerr_le1() */
1.1 kristaps 401: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
402: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
403: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
404: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
405: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
406: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
1.66 kristaps 407: CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0) /* hwarn_eq0() */
1.1 kristaps 408:
409:
410: static int
411: check_stdarg(PRE_ARGS)
412: {
413:
414: if (n->args && 1 == n->args->argc)
415: if (MDOC_Std == n->args->argv[0].arg)
416: return(1);
1.79 kristaps 417: return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
1.1 kristaps 418: }
419:
420:
421: static int
422: check_args(struct mdoc *m, const struct mdoc_node *n)
423: {
424: int i;
425:
426: if (NULL == n->args)
427: return(1);
428:
429: assert(n->args->argc);
430: for (i = 0; i < (int)n->args->argc; i++)
431: if ( ! check_argv(m, n, &n->args->argv[i]))
432: return(0);
433:
434: return(1);
435: }
436:
437:
438: static int
439: check_argv(struct mdoc *m, const struct mdoc_node *n,
440: const struct mdoc_argv *v)
441: {
442: int i;
443:
444: for (i = 0; i < (int)v->sz; i++)
445: if ( ! check_text(m, v->line, v->pos, v->value[i]))
446: return(0);
447:
448: if (MDOC_Std == v->arg) {
449: if (v->sz || m->meta.name)
450: return(1);
1.79 kristaps 451: if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
452: return(0);
1.1 kristaps 453: }
454:
455: return(1);
456: }
457:
458:
459: static int
460: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
461: {
1.18 kristaps 462: int c;
1.1 kristaps 463:
1.18 kristaps 464: for ( ; *p; p++, pos++) {
1.1 kristaps 465: if ('\t' == *p) {
466: if ( ! (MDOC_LITERAL & mdoc->flags))
1.79 kristaps 467: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 468: return(0);
1.82 kristaps 469: } else if ( ! isprint((u_char)*p) && ASCII_HYPH != *p)
1.79 kristaps 470: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 471: return(0);
1.1 kristaps 472:
473: if ('\\' != *p)
474: continue;
475:
1.18 kristaps 476: c = mandoc_special(p);
1.1 kristaps 477: if (c) {
1.18 kristaps 478: p += c - 1;
479: pos += c - 1;
1.1 kristaps 480: continue;
481: }
1.79 kristaps 482:
483: c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
484: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
485: return(c);
1.1 kristaps 486: }
487:
488: return(1);
489: }
490:
491:
492:
493:
494: static int
1.59 kristaps 495: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 496: {
497:
498: assert(n->parent);
499: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
500: (t == n->parent->type))
501: return(1);
502:
1.79 kristaps 503: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
504: n->line, n->pos, "want parent %s",
505: MDOC_ROOT == t ? "<root>" :
506: mdoc_macronames[tok]);
507: return(0);
1.1 kristaps 508: }
509:
510:
511:
512: static int
513: pre_display(PRE_ARGS)
514: {
515: struct mdoc_node *node;
516:
517: /* Display elements (`Bd', `D1'...) cannot be nested. */
518:
519: if (MDOC_BLOCK != n->type)
520: return(1);
521:
522: /* LINTED */
523: for (node = mdoc->last->parent; node; node = node->parent)
524: if (MDOC_BLOCK == node->type)
525: if (MDOC_Bd == node->tok)
526: break;
527: if (NULL == node)
528: return(1);
529:
1.79 kristaps 530: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
531: return(0);
1.1 kristaps 532: }
533:
534:
535: static int
536: pre_bl(PRE_ARGS)
537: {
1.91 ! kristaps 538: int i, width, offs, cmpt, dupl;
! 539: enum mdoc_list lt;
1.1 kristaps 540:
1.91 ! kristaps 541: if (MDOC_BLOCK != n->type) {
! 542: assert(n->parent);
! 543: assert(MDOC_BLOCK == n->parent->type);
! 544: assert(MDOC_Bl == n->parent->tok);
! 545: assert(LIST__NONE != n->parent->data.list);
! 546: n->data.list = n->parent->data.list;
1.1 kristaps 547: return(1);
1.79 kristaps 548: }
1.1 kristaps 549:
1.91 ! kristaps 550: /*
! 551: * First figure out which kind of list to use: bind ourselves to
! 552: * the first mentioned list type and warn about any remaining
! 553: * ones. If we find no list type, we default to LIST_item.
! 554: */
1.1 kristaps 555:
1.91 ! kristaps 556: assert(LIST__NONE == n->data.list);
! 557: offs = width = cmpt = -1;
1.1 kristaps 558:
559: /* LINTED */
1.91 ! kristaps 560: for (i = 0; n->args && i < (int)n->args->argc; i++) {
! 561: lt = LIST__NONE;
! 562: dupl = 0;
! 563: switch (n->args->argv[i].arg) {
! 564: /* Set list types. */
1.1 kristaps 565: case (MDOC_Bullet):
1.91 ! kristaps 566: lt = LIST_bullet;
! 567: break;
1.1 kristaps 568: case (MDOC_Dash):
1.91 ! kristaps 569: lt = LIST_dash;
! 570: break;
1.1 kristaps 571: case (MDOC_Enum):
1.91 ! kristaps 572: lt = LIST_enum;
! 573: break;
1.1 kristaps 574: case (MDOC_Hyphen):
1.91 ! kristaps 575: lt = LIST_hyphen;
! 576: break;
1.1 kristaps 577: case (MDOC_Item):
1.91 ! kristaps 578: lt = LIST_item;
! 579: break;
1.1 kristaps 580: case (MDOC_Tag):
1.91 ! kristaps 581: lt = LIST_tag;
! 582: break;
1.1 kristaps 583: case (MDOC_Diag):
1.91 ! kristaps 584: lt = LIST_diag;
! 585: break;
1.1 kristaps 586: case (MDOC_Hang):
1.91 ! kristaps 587: lt = LIST_hang;
! 588: break;
1.1 kristaps 589: case (MDOC_Ohang):
1.91 ! kristaps 590: lt = LIST_ohang;
! 591: break;
1.1 kristaps 592: case (MDOC_Inset):
1.91 ! kristaps 593: lt = LIST_inset;
! 594: break;
1.1 kristaps 595: case (MDOC_Column):
1.91 ! kristaps 596: lt = LIST_column;
! 597: break;
! 598: /* Set list arguments. */
1.45 kristaps 599: case (MDOC_Compact):
1.91 ! kristaps 600: if (cmpt >= 0)
! 601: dupl++;
! 602: cmpt = i;
! 603: break;
1.1 kristaps 604: case (MDOC_Width):
1.45 kristaps 605: if (width >= 0)
1.91 ! kristaps 606: dupl++;
! 607: width = i;
1.8 kristaps 608: break;
1.1 kristaps 609: case (MDOC_Offset):
1.91 ! kristaps 610: if (offs >= 0)
! 611: dupl++;
! 612: offs = i;
1.1 kristaps 613: break;
614: }
615:
1.91 ! kristaps 616: /* Check: duplicate auxiliary arguments. */
! 617:
! 618: if (dupl)
! 619: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
! 620: return(0);
! 621:
! 622: /* Check: multiple list types. */
! 623:
! 624: if (LIST__NONE != lt && n->data.list != LIST__NONE)
! 625: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
! 626: return(0);
! 627:
! 628: /* Assign list type. */
! 629:
! 630: if (LIST__NONE != lt && n->data.list == LIST__NONE)
! 631: n->data.list = lt;
! 632:
! 633: /* The list type should come first. */
! 634:
! 635: if (n->data.list == LIST__NONE)
! 636: if (width >= 0 || offs >= 0 || cmpt >= 0)
! 637: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
! 638: return(0);
! 639:
! 640: continue;
! 641: }
! 642:
! 643: /* Allow lists to default to LIST_item. */
! 644:
! 645: if (LIST__NONE == n->data.list) {
! 646: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
! 647: return(0);
! 648: n->data.list = LIST_item;
1.79 kristaps 649: }
1.1 kristaps 650:
1.8 kristaps 651: /*
652: * Validate the width field. Some list types don't need width
653: * types and should be warned about them. Others should have it
654: * and must also be warned.
655: */
656:
1.91 ! kristaps 657: switch (n->data.list) {
! 658: case (LIST_tag):
! 659: if (width >= 0)
! 660: break;
! 661: if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
! 662: break;
! 663: return(0);
! 664: case (LIST_column):
1.1 kristaps 665: /* FALLTHROUGH */
1.91 ! kristaps 666: case (LIST_diag):
1.1 kristaps 667: /* FALLTHROUGH */
1.91 ! kristaps 668: case (LIST_ohang):
1.53 kristaps 669: /* FALLTHROUGH */
1.91 ! kristaps 670: case (LIST_inset):
1.1 kristaps 671: /* FALLTHROUGH */
1.91 ! kristaps 672: case (LIST_item):
! 673: if (width < 0)
! 674: break;
! 675: if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
! 676: break;
! 677: return(0);
1.8 kristaps 678: default:
679: break;
680: }
681:
1.1 kristaps 682: return(1);
683: }
684:
685:
686: static int
687: pre_bd(PRE_ARGS)
688: {
689: int i, type, err;
690:
691: if (MDOC_BLOCK != n->type)
692: return(1);
1.79 kristaps 693: if (NULL == n->args) {
694: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
695: return(0);
696: }
1.1 kristaps 697:
698: /* Make sure that only one type of display is specified. */
699:
700: /* LINTED */
701: for (i = 0, err = type = 0; ! err &&
702: i < (int)n->args->argc; i++)
703: switch (n->args->argv[i].arg) {
1.49 kristaps 704: case (MDOC_Centred):
705: /* FALLTHROUGH */
1.1 kristaps 706: case (MDOC_Ragged):
707: /* FALLTHROUGH */
708: case (MDOC_Unfilled):
709: /* FALLTHROUGH */
710: case (MDOC_Filled):
711: /* FALLTHROUGH */
712: case (MDOC_Literal):
713: if (0 == type++)
714: break;
1.79 kristaps 715: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
716: return(0);
717: break;
1.1 kristaps 718: default:
719: break;
720: }
721:
722: if (type)
723: return(1);
1.79 kristaps 724: mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE);
725: return(0);
1.1 kristaps 726: }
727:
728:
729: static int
730: pre_ss(PRE_ARGS)
731: {
732:
733: if (MDOC_BLOCK != n->type)
734: return(1);
735: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
736: }
737:
738:
739: static int
740: pre_sh(PRE_ARGS)
741: {
742:
743: if (MDOC_BLOCK != n->type)
744: return(1);
1.70 kristaps 745: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 746: }
747:
748:
749: static int
750: pre_it(PRE_ARGS)
751: {
752:
753: if (MDOC_BLOCK != n->type)
754: return(1);
1.79 kristaps 755: /*
756: * FIXME: this can probably be lifted if we make the It into
757: * something else on-the-fly?
758: */
1.1 kristaps 759: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
760: }
761:
762:
763: static int
764: pre_an(PRE_ARGS)
765: {
766:
767: if (NULL == n->args || 1 == n->args->argc)
768: return(1);
1.79 kristaps 769: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
770: n->line, n->pos,
771: "line arguments == 1 (have %d)",
772: n->args->argc);
773: return(0);
1.1 kristaps 774: }
775:
776:
777: static int
778: pre_rv(PRE_ARGS)
779: {
780:
781: return(check_stdarg(mdoc, n));
782: }
783:
784:
785: static int
1.85 kristaps 786: post_dt(POST_ARGS)
787: {
788: const struct mdoc_node *nn;
789: const char *p;
790:
791: if (NULL != (nn = mdoc->last->child))
792: for (p = nn->string; *p; p++) {
1.86 kristaps 793: if (toupper((u_char)*p) == *p)
1.85 kristaps 794: continue;
795: if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
796: return(0);
797: break;
798: }
799:
800: return(1);
801: }
802:
803:
804: static int
1.1 kristaps 805: pre_dt(PRE_ARGS)
806: {
1.54 kristaps 807:
1.1 kristaps 808: if (0 == mdoc->meta.date || mdoc->meta.os)
1.79 kristaps 809: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 810: return(0);
811: if (mdoc->meta.title)
1.79 kristaps 812: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 813: return(0);
814: return(1);
815: }
816:
817:
818: static int
819: pre_os(PRE_ARGS)
820: {
821:
822: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.79 kristaps 823: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 824: return(0);
825: if (mdoc->meta.os)
1.79 kristaps 826: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 827: return(0);
828: return(1);
829: }
830:
831:
832: static int
833: pre_dd(PRE_ARGS)
834: {
835:
836: if (mdoc->meta.title || mdoc->meta.os)
1.79 kristaps 837: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 838: return(0);
839: if (mdoc->meta.date)
1.79 kristaps 840: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 841: return(0);
842: return(1);
843: }
844:
845:
846: static int
847: post_bf(POST_ARGS)
848: {
849: char *p;
850: struct mdoc_node *head;
851:
852: if (MDOC_BLOCK != mdoc->last->type)
853: return(1);
854:
855: head = mdoc->last->head;
856:
1.79 kristaps 857: if (mdoc->last->args && head->child) {
858: /* FIXME: this should provide a default. */
859: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
860: return(0);
861: } else if (mdoc->last->args)
1.13 kristaps 862: return(1);
1.12 kristaps 863:
1.79 kristaps 864: if (NULL == head->child || MDOC_TEXT != head->child->type) {
865: /* FIXME: this should provide a default. */
866: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
867: return(0);
868: }
1.1 kristaps 869:
1.13 kristaps 870: p = head->child->string;
1.1 kristaps 871:
1.13 kristaps 872: if (0 == strcmp(p, "Em"))
873: return(1);
874: else if (0 == strcmp(p, "Li"))
875: return(1);
1.37 kristaps 876: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 877: return(1);
1.1 kristaps 878:
1.79 kristaps 879: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
880: return(0);
1.1 kristaps 881: }
882:
883:
884: static int
1.31 kristaps 885: post_lb(POST_ARGS)
886: {
887:
888: if (mdoc_a2lib(mdoc->last->child->string))
889: return(1);
1.79 kristaps 890: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.84 kristaps 891: }
892:
893:
894: static int
895: post_eoln(POST_ARGS)
896: {
897:
898: if (NULL == mdoc->last->child)
899: return(1);
900: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1.31 kristaps 901: }
902:
903:
904: static int
1.57 kristaps 905: post_vt(POST_ARGS)
906: {
907: const struct mdoc_node *n;
908:
909: /*
910: * The Vt macro comes in both ELEM and BLOCK form, both of which
911: * have different syntaxes (yet more context-sensitive
912: * behaviour). ELEM types must have a child; BLOCK types,
913: * specifically the BODY, should only have TEXT children.
914: */
915:
916: if (MDOC_ELEM == mdoc->last->type)
917: return(eerr_ge1(mdoc));
918: if (MDOC_BODY != mdoc->last->type)
919: return(1);
920:
921: for (n = mdoc->last->child; n; n = n->next)
922: if (MDOC_TEXT != n->type)
1.79 kristaps 923: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.57 kristaps 924: return(0);
925:
926: return(1);
927: }
928:
929:
930: static int
1.1 kristaps 931: post_nm(POST_ARGS)
932: {
933:
934: if (mdoc->last->child)
935: return(1);
936: if (mdoc->meta.name)
937: return(1);
1.79 kristaps 938: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 939: }
940:
941:
942: static int
943: post_at(POST_ARGS)
944: {
945:
946: if (NULL == mdoc->last->child)
947: return(1);
1.79 kristaps 948: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 949: if (mdoc_a2att(mdoc->last->child->string))
950: return(1);
1.79 kristaps 951: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 952: }
953:
954:
955: static int
956: post_an(POST_ARGS)
957: {
958:
959: if (mdoc->last->args) {
960: if (NULL == mdoc->last->child)
961: return(1);
1.79 kristaps 962: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 963: }
964:
965: if (mdoc->last->child)
966: return(1);
1.79 kristaps 967: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 968: }
969:
970:
971: static int
972: post_it(POST_ARGS)
973: {
1.89 kristaps 974: int i, cols, rc;
975: enum mdoc_list lt;
1.1 kristaps 976: struct mdoc_node *n, *c;
1.89 kristaps 977: enum mandocerr er;
1.1 kristaps 978:
979: if (MDOC_BLOCK != mdoc->last->type)
980: return(1);
981:
982: n = mdoc->last->parent->parent;
1.89 kristaps 983: lt = n->data.list;
984:
985: if (LIST__NONE == lt) {
1.79 kristaps 986: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
987: return(0);
988: }
1.1 kristaps 989:
1.89 kristaps 990: switch (lt) {
991: case (LIST_tag):
992: if (mdoc->last->head->child)
1.1 kristaps 993: break;
1.89 kristaps 994: /* FIXME: give this a dummy value. */
995: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
996: return(0);
1.1 kristaps 997: break;
1.89 kristaps 998: case (LIST_hang):
1.1 kristaps 999: /* FALLTHROUGH */
1.89 kristaps 1000: case (LIST_ohang):
1.1 kristaps 1001: /* FALLTHROUGH */
1.89 kristaps 1002: case (LIST_inset):
1.1 kristaps 1003: /* FALLTHROUGH */
1.89 kristaps 1004: case (LIST_diag):
1.1 kristaps 1005: if (NULL == mdoc->last->head->child)
1.79 kristaps 1006: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1007: return(0);
1008: if (NULL == mdoc->last->body->child)
1.79 kristaps 1009: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1010: return(0);
1011: break;
1.89 kristaps 1012: case (LIST_bullet):
1.1 kristaps 1013: /* FALLTHROUGH */
1.89 kristaps 1014: case (LIST_dash):
1.1 kristaps 1015: /* FALLTHROUGH */
1.89 kristaps 1016: case (LIST_enum):
1.1 kristaps 1017: /* FALLTHROUGH */
1.89 kristaps 1018: case (LIST_hyphen):
1.1 kristaps 1019: /* FALLTHROUGH */
1.89 kristaps 1020: case (LIST_item):
1.1 kristaps 1021: if (mdoc->last->head->child)
1.79 kristaps 1022: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 1023: return(0);
1024: if (NULL == mdoc->last->body->child)
1.79 kristaps 1025: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1026: return(0);
1027: break;
1.89 kristaps 1028: case (LIST_column):
1029: cols = -1;
1030: for (i = 0; i < (int)n->args->argc; i++)
1031: if (MDOC_Column == n->args->argv[i].arg) {
1032: cols = (int)n->args->argv[i].sz;
1033: break;
1034: }
1035:
1036: assert(-1 != cols);
1.87 kristaps 1037: assert(NULL == mdoc->last->head->child);
1.89 kristaps 1038:
1.87 kristaps 1039: if (NULL == mdoc->last->body->child)
1040: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1041: return(0);
1.87 kristaps 1042:
1.89 kristaps 1043: for (i = 0, c = mdoc->last->child; c; c = c->next)
1.87 kristaps 1044: if (MDOC_BODY == c->type)
1045: i++;
1.38 kristaps 1046:
1.89 kristaps 1047: if (i < cols)
1048: er = MANDOCERR_ARGCOUNT;
1049: else if (i == cols || i == cols + 1)
1.38 kristaps 1050: break;
1.89 kristaps 1051: else
1052: er = MANDOCERR_SYNTARGCOUNT;
1.38 kristaps 1053:
1.89 kristaps 1054: rc = mdoc_vmsg(mdoc, er,
1.79 kristaps 1055: mdoc->last->line, mdoc->last->pos,
1056: "columns == %d (have %d)", cols, i);
1.89 kristaps 1057: return(rc);
1.1 kristaps 1058: default:
1059: break;
1060: }
1061:
1062: return(1);
1063: }
1064:
1065:
1066: static int
1.14 kristaps 1067: post_bl_head(POST_ARGS)
1068: {
1.90 kristaps 1069: int i;
1070: struct mdoc_node *n;
1.14 kristaps 1071:
1.90 kristaps 1072: assert(mdoc->last->parent);
1.14 kristaps 1073: n = mdoc->last->parent;
1074:
1.90 kristaps 1075: if (LIST_column == n->data.list) {
1076: for (i = 0; i < (int)n->args->argc; i++)
1077: if (MDOC_Column == n->args->argv[i].arg)
1078: break;
1079: assert(i < (int)n->args->argc);
1080:
1081: if (n->args->argv[i].sz && mdoc->last->nchild) {
1082: mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
1083: return(0);
1.65 kristaps 1084: }
1.90 kristaps 1085: return(1);
1.65 kristaps 1086: }
1.14 kristaps 1087:
1.65 kristaps 1088: if (0 == (i = mdoc->last->nchild))
1089: return(1);
1090: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.14 kristaps 1091: }
1092:
1093:
1094: static int
1.1 kristaps 1095: post_bl(POST_ARGS)
1096: {
1097: struct mdoc_node *n;
1098:
1.14 kristaps 1099: if (MDOC_HEAD == mdoc->last->type)
1100: return(post_bl_head(mdoc));
1.1 kristaps 1101: if (MDOC_BODY != mdoc->last->type)
1102: return(1);
1103: if (NULL == mdoc->last->child)
1104: return(1);
1105:
1.55 kristaps 1106: /*
1107: * We only allow certain children of `Bl'. This is usually on
1108: * `It', but apparently `Sm' occurs here and there, so we let
1109: * that one through, too.
1110: */
1111:
1.1 kristaps 1112: /* LINTED */
1113: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1114: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1115: continue;
1116: if (MDOC_Sm == n->tok)
1117: continue;
1.79 kristaps 1118: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1119: return(0);
1.1 kristaps 1120: }
1121:
1122: return(1);
1123: }
1124:
1125:
1126: static int
1127: ebool(struct mdoc *mdoc)
1128: {
1129: struct mdoc_node *n;
1130:
1131: /* LINTED */
1132: for (n = mdoc->last->child; n; n = n->next) {
1133: if (MDOC_TEXT != n->type)
1134: break;
1.2 kristaps 1135: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1136: continue;
1.2 kristaps 1137: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1138: continue;
1139: break;
1140: }
1141:
1142: if (NULL == n)
1143: return(1);
1.79 kristaps 1144: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1145: }
1146:
1147:
1148: static int
1149: post_root(POST_ARGS)
1150: {
1151:
1152: if (NULL == mdoc->first->child)
1.79 kristaps 1153: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1154: else if ( ! (MDOC_PBODY & mdoc->flags))
1155: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1156: else if (MDOC_BLOCK != mdoc->first->child->type)
1157: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1158: else if (MDOC_Sh != mdoc->first->child->tok)
1159: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1160: else
1161: return(1);
1.1 kristaps 1162:
1.79 kristaps 1163: return(0);
1.1 kristaps 1164: }
1165:
1166:
1167: static int
1168: post_st(POST_ARGS)
1169: {
1170:
1171: if (mdoc_a2st(mdoc->last->child->string))
1172: return(1);
1.79 kristaps 1173: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.1 kristaps 1174: }
1175:
1176:
1177: static int
1.43 kristaps 1178: post_rs(POST_ARGS)
1179: {
1180: struct mdoc_node *nn;
1181:
1182: if (MDOC_BODY != mdoc->last->type)
1183: return(1);
1184:
1185: for (nn = mdoc->last->child; nn; nn = nn->next)
1186: switch (nn->tok) {
1.50 kristaps 1187: case(MDOC__U):
1188: /* FALLTHROUGH */
1.43 kristaps 1189: case(MDOC__Q):
1190: /* FALLTHROUGH */
1191: case(MDOC__C):
1192: /* FALLTHROUGH */
1193: case(MDOC__A):
1194: /* FALLTHROUGH */
1195: case(MDOC__B):
1196: /* FALLTHROUGH */
1197: case(MDOC__D):
1198: /* FALLTHROUGH */
1199: case(MDOC__I):
1200: /* FALLTHROUGH */
1201: case(MDOC__J):
1202: /* FALLTHROUGH */
1203: case(MDOC__N):
1204: /* FALLTHROUGH */
1205: case(MDOC__O):
1206: /* FALLTHROUGH */
1207: case(MDOC__P):
1208: /* FALLTHROUGH */
1209: case(MDOC__R):
1210: /* FALLTHROUGH */
1211: case(MDOC__T):
1212: /* FALLTHROUGH */
1213: case(MDOC__V):
1214: break;
1215: default:
1.79 kristaps 1216: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
1217: return(0);
1.43 kristaps 1218: }
1219:
1220: return(1);
1221: }
1222:
1223:
1224: static int
1.1 kristaps 1225: post_sh(POST_ARGS)
1226: {
1227:
1228: if (MDOC_HEAD == mdoc->last->type)
1229: return(post_sh_head(mdoc));
1230: if (MDOC_BODY == mdoc->last->type)
1231: return(post_sh_body(mdoc));
1232:
1233: return(1);
1234: }
1235:
1236:
1237: static int
1238: post_sh_body(POST_ARGS)
1239: {
1240: struct mdoc_node *n;
1241:
1.29 kristaps 1242: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1243: return(1);
1244:
1245: /*
1246: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1247: * macros (can have multiple `Nm' and one `Nd'). Note that the
1248: * children of the BODY declaration can also be "text".
1249: */
1250:
1251: if (NULL == (n = mdoc->last->child))
1.79 kristaps 1252: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1253:
1254: for ( ; n && n->next; n = n->next) {
1255: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1256: continue;
1.28 kristaps 1257: if (MDOC_TEXT == n->type)
1258: continue;
1.79 kristaps 1259: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1260: return(0);
1261: }
1262:
1.41 kristaps 1263: assert(n);
1.27 kristaps 1264: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1265: return(1);
1.79 kristaps 1266: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1267: }
1268:
1269:
1270: static int
1271: post_sh_head(POST_ARGS)
1272: {
1.81 kristaps 1273: char buf[BUFSIZ];
1.2 kristaps 1274: enum mdoc_sec sec;
1275: const struct mdoc_node *n;
1.1 kristaps 1276:
1277: /*
1278: * Process a new section. Sections are either "named" or
1279: * "custom"; custom sections are user-defined, while named ones
1280: * usually follow a conventional order and may only appear in
1281: * certain manual sections.
1282: */
1283:
1.79 kristaps 1284: buf[0] = '\0';
1285:
1286: /*
1287: * FIXME: yes, these can use a dynamic buffer, but I don't do so
1288: * in the interests of simplicity.
1289: */
1.1 kristaps 1290:
1.2 kristaps 1291: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1292: /* XXX - copied from compact(). */
1.2 kristaps 1293: assert(MDOC_TEXT == n->type);
1.12 kristaps 1294:
1.81 kristaps 1295: if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1296: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1297: return(0);
1298: }
1.2 kristaps 1299: if (NULL == n->next)
1300: continue;
1.81 kristaps 1301: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1302: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1303: return(0);
1304: }
1.2 kristaps 1305: }
1.1 kristaps 1306:
1.72 kristaps 1307: sec = mdoc_str2sec(buf);
1.1 kristaps 1308:
1.12 kristaps 1309: /*
1310: * Check: NAME should always be first, CUSTOM has no roles,
1311: * non-CUSTOM has a conventional order to be followed.
1312: */
1.1 kristaps 1313:
1.72 kristaps 1314: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.79 kristaps 1315: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.72 kristaps 1316: return(0);
1317:
1.1 kristaps 1318: if (SEC_CUSTOM == sec)
1319: return(1);
1.72 kristaps 1320:
1.1 kristaps 1321: if (sec == mdoc->lastnamed)
1.79 kristaps 1322: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.26 kristaps 1323: return(0);
1.72 kristaps 1324:
1.1 kristaps 1325: if (sec < mdoc->lastnamed)
1.79 kristaps 1326: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.26 kristaps 1327: return(0);
1.1 kristaps 1328:
1.12 kristaps 1329: /*
1330: * Check particular section/manual conventions. LIBRARY can
1.78 kristaps 1331: * only occur in manual section 2, 3, and 9.
1.12 kristaps 1332: */
1.1 kristaps 1333:
1334: switch (sec) {
1335: case (SEC_LIBRARY):
1.78 kristaps 1336: assert(mdoc->meta.msec);
1337: if (*mdoc->meta.msec == '2')
1338: break;
1339: if (*mdoc->meta.msec == '3')
1340: break;
1341: if (*mdoc->meta.msec == '9')
1.1 kristaps 1342: break;
1.79 kristaps 1343: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1344: default:
1345: break;
1346: }
1347:
1348: return(1);
1349: }
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