Annotation of mandoc/mdoc_validate.c, Revision 1.102
1.102 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.101 2010/06/27 17:53:27 schwarze 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 };
1.101 schwarze 110: static v_post posts_bd_bk[] = { 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 */
1.101 schwarze 157: { pres_bd, posts_bd_bk }, /* Bd */
1.1 kristaps 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 */
1.101 schwarze 248: { NULL, posts_bd_bk }, /* Bk */
1.1 kristaps 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;
1.102 ! kristaps 460:
! 461: /*
! 462: * FIXME: we absolutely cannot let \b get through or it will
! 463: * destroy some assumptions in terms of format.
! 464: */
1.1 kristaps 465:
1.18 kristaps 466: for ( ; *p; p++, pos++) {
1.1 kristaps 467: if ('\t' == *p) {
468: if ( ! (MDOC_LITERAL & mdoc->flags))
1.79 kristaps 469: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 470: return(0);
1.82 kristaps 471: } else if ( ! isprint((u_char)*p) && ASCII_HYPH != *p)
1.79 kristaps 472: if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
1.4 kristaps 473: return(0);
1.1 kristaps 474:
475: if ('\\' != *p)
476: continue;
477:
1.18 kristaps 478: c = mandoc_special(p);
1.1 kristaps 479: if (c) {
1.18 kristaps 480: p += c - 1;
481: pos += c - 1;
1.1 kristaps 482: continue;
483: }
1.79 kristaps 484:
485: c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
486: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
487: return(c);
1.1 kristaps 488: }
489:
490: return(1);
491: }
492:
493:
494:
495:
496: static int
1.59 kristaps 497: check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
1.1 kristaps 498: {
499:
500: assert(n->parent);
501: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
502: (t == n->parent->type))
503: return(1);
504:
1.79 kristaps 505: mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
506: n->line, n->pos, "want parent %s",
507: MDOC_ROOT == t ? "<root>" :
508: mdoc_macronames[tok]);
509: return(0);
1.1 kristaps 510: }
511:
512:
513:
514: static int
515: pre_display(PRE_ARGS)
516: {
517: struct mdoc_node *node;
518:
519: /* Display elements (`Bd', `D1'...) cannot be nested. */
520:
521: if (MDOC_BLOCK != n->type)
522: return(1);
523:
524: /* LINTED */
525: for (node = mdoc->last->parent; node; node = node->parent)
526: if (MDOC_BLOCK == node->type)
527: if (MDOC_Bd == node->tok)
528: break;
529: if (NULL == node)
530: return(1);
531:
1.79 kristaps 532: mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
533: return(0);
1.1 kristaps 534: }
535:
536:
537: static int
538: pre_bl(PRE_ARGS)
539: {
1.99 kristaps 540: int i, comp, dup;
541: const char *offs, *width;
1.91 kristaps 542: enum mdoc_list lt;
1.1 kristaps 543:
1.91 kristaps 544: if (MDOC_BLOCK != n->type) {
545: assert(n->parent);
546: assert(MDOC_BLOCK == n->parent->type);
547: assert(MDOC_Bl == n->parent->tok);
1.96 kristaps 548: assert(LIST__NONE != n->parent->data.Bl.type);
549: memcpy(&n->data.Bl, &n->parent->data.Bl,
550: sizeof(struct mdoc_bl));
1.1 kristaps 551: return(1);
1.79 kristaps 552: }
1.1 kristaps 553:
1.91 kristaps 554: /*
555: * First figure out which kind of list to use: bind ourselves to
556: * the first mentioned list type and warn about any remaining
557: * ones. If we find no list type, we default to LIST_item.
558: */
1.1 kristaps 559:
1.96 kristaps 560: assert(LIST__NONE == n->data.Bl.type);
1.1 kristaps 561:
562: /* LINTED */
1.91 kristaps 563: for (i = 0; n->args && i < (int)n->args->argc; i++) {
564: lt = LIST__NONE;
1.97 kristaps 565: dup = comp = 0;
1.99 kristaps 566: width = offs = NULL;
1.91 kristaps 567: switch (n->args->argv[i].arg) {
568: /* Set list types. */
1.1 kristaps 569: case (MDOC_Bullet):
1.91 kristaps 570: lt = LIST_bullet;
571: break;
1.1 kristaps 572: case (MDOC_Dash):
1.91 kristaps 573: lt = LIST_dash;
574: break;
1.1 kristaps 575: case (MDOC_Enum):
1.91 kristaps 576: lt = LIST_enum;
577: break;
1.1 kristaps 578: case (MDOC_Hyphen):
1.91 kristaps 579: lt = LIST_hyphen;
580: break;
1.1 kristaps 581: case (MDOC_Item):
1.91 kristaps 582: lt = LIST_item;
583: break;
1.1 kristaps 584: case (MDOC_Tag):
1.91 kristaps 585: lt = LIST_tag;
586: break;
1.1 kristaps 587: case (MDOC_Diag):
1.91 kristaps 588: lt = LIST_diag;
589: break;
1.1 kristaps 590: case (MDOC_Hang):
1.91 kristaps 591: lt = LIST_hang;
592: break;
1.1 kristaps 593: case (MDOC_Ohang):
1.91 kristaps 594: lt = LIST_ohang;
595: break;
1.1 kristaps 596: case (MDOC_Inset):
1.91 kristaps 597: lt = LIST_inset;
598: break;
1.1 kristaps 599: case (MDOC_Column):
1.91 kristaps 600: lt = LIST_column;
601: break;
602: /* Set list arguments. */
1.45 kristaps 603: case (MDOC_Compact):
1.97 kristaps 604: dup = n->data.Bl.comp;
605: comp = 1;
1.91 kristaps 606: break;
1.1 kristaps 607: case (MDOC_Width):
1.99 kristaps 608: dup = (NULL != n->data.Bl.width);
609: width = n->args->argv[i].value[0];
1.8 kristaps 610: break;
1.1 kristaps 611: case (MDOC_Offset):
1.98 kristaps 612: /* NB: this can be empty! */
613: if (n->args->argv[i].sz) {
614: offs = n->args->argv[i].value[0];
1.99 kristaps 615: dup = (NULL != n->data.Bl.offs);
1.98 kristaps 616: break;
617: }
618: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
619: return(0);
1.1 kristaps 620: break;
621: }
622:
1.91 kristaps 623: /* Check: duplicate auxiliary arguments. */
624:
1.97 kristaps 625: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
626: return(0);
627:
628: if (comp && ! dup)
629: n->data.Bl.comp = comp;
1.98 kristaps 630: if (offs && ! dup)
631: n->data.Bl.offs = offs;
1.99 kristaps 632: if (width && ! dup)
633: n->data.Bl.width = width;
1.91 kristaps 634:
635: /* Check: multiple list types. */
636:
1.96 kristaps 637: if (LIST__NONE != lt && n->data.Bl.type != LIST__NONE)
1.91 kristaps 638: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
639: return(0);
640:
641: /* Assign list type. */
642:
1.96 kristaps 643: if (LIST__NONE != lt && n->data.Bl.type == LIST__NONE)
644: n->data.Bl.type = lt;
1.91 kristaps 645:
646: /* The list type should come first. */
647:
1.96 kristaps 648: if (n->data.Bl.type == LIST__NONE)
1.99 kristaps 649: if (n->data.Bl.width ||
650: n->data.Bl.offs ||
651: n->data.Bl.comp)
1.91 kristaps 652: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
653: return(0);
654:
655: continue;
656: }
657:
658: /* Allow lists to default to LIST_item. */
659:
1.96 kristaps 660: if (LIST__NONE == n->data.Bl.type) {
1.91 kristaps 661: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
662: return(0);
1.96 kristaps 663: n->data.Bl.type = LIST_item;
1.79 kristaps 664: }
1.1 kristaps 665:
1.8 kristaps 666: /*
667: * Validate the width field. Some list types don't need width
668: * types and should be warned about them. Others should have it
669: * and must also be warned.
670: */
671:
1.96 kristaps 672: switch (n->data.Bl.type) {
1.91 kristaps 673: case (LIST_tag):
1.99 kristaps 674: if (n->data.Bl.width)
1.91 kristaps 675: break;
676: if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
677: break;
678: return(0);
679: case (LIST_column):
1.1 kristaps 680: /* FALLTHROUGH */
1.91 kristaps 681: case (LIST_diag):
1.1 kristaps 682: /* FALLTHROUGH */
1.91 kristaps 683: case (LIST_ohang):
1.53 kristaps 684: /* FALLTHROUGH */
1.91 kristaps 685: case (LIST_inset):
1.1 kristaps 686: /* FALLTHROUGH */
1.91 kristaps 687: case (LIST_item):
1.99 kristaps 688: if (NULL == n->data.Bl.width)
1.91 kristaps 689: break;
690: if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
691: break;
692: return(0);
1.8 kristaps 693: default:
694: break;
695: }
696:
1.1 kristaps 697: return(1);
698: }
699:
700:
701: static int
702: pre_bd(PRE_ARGS)
703: {
1.94 kristaps 704: int i, dup, comp;
1.93 kristaps 705: enum mdoc_disp dt;
1.94 kristaps 706: const char *offs;
1.1 kristaps 707:
1.93 kristaps 708: if (MDOC_BLOCK != n->type) {
709: assert(n->parent);
710: assert(MDOC_BLOCK == n->parent->type);
711: assert(MDOC_Bd == n->parent->tok);
1.94 kristaps 712: assert(DISP__NONE != n->parent->data.Bd.type);
713: memcpy(&n->data.Bd, &n->parent->data.Bd,
714: sizeof(struct mdoc_bd));
1.1 kristaps 715: return(1);
1.79 kristaps 716: }
1.1 kristaps 717:
1.94 kristaps 718: assert(DISP__NONE == n->data.Bd.type);
1.1 kristaps 719:
720: /* LINTED */
1.93 kristaps 721: for (i = 0; n->args && i < (int)n->args->argc; i++) {
722: dt = DISP__NONE;
1.94 kristaps 723: dup = comp = 0;
724: offs = NULL;
725:
1.1 kristaps 726: switch (n->args->argv[i].arg) {
1.49 kristaps 727: case (MDOC_Centred):
1.93 kristaps 728: dt = DISP_centred;
729: break;
1.1 kristaps 730: case (MDOC_Ragged):
1.93 kristaps 731: dt = DISP_ragged;
732: break;
1.1 kristaps 733: case (MDOC_Unfilled):
1.93 kristaps 734: dt = DISP_unfilled;
735: break;
1.1 kristaps 736: case (MDOC_Filled):
1.93 kristaps 737: dt = DISP_filled;
738: break;
1.1 kristaps 739: case (MDOC_Literal):
1.93 kristaps 740: dt = DISP_literal;
1.79 kristaps 741: break;
1.93 kristaps 742: case (MDOC_File):
743: mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
744: return(0);
745: case (MDOC_Offset):
1.94 kristaps 746: /* NB: this can be empty! */
747: if (n->args->argv[i].sz) {
748: offs = n->args->argv[i].value[0];
749: dup = (NULL != n->data.Bd.offs);
750: break;
751: }
1.95 kristaps 752: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
753: return(0);
1.94 kristaps 754: break;
1.93 kristaps 755: case (MDOC_Compact):
1.94 kristaps 756: comp = 1;
757: dup = n->data.Bd.comp;
758: break;
1.1 kristaps 759: default:
1.94 kristaps 760: abort();
761: /* NOTREACHED */
1.1 kristaps 762: }
763:
1.94 kristaps 764: /* Check whether we have duplicates. */
765:
766: if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
767: return(0);
768:
769: /* Make our auxiliary assignments. */
770:
771: if (offs && ! dup)
772: n->data.Bd.offs = offs;
773: if (comp && ! dup)
774: n->data.Bd.comp = comp;
775:
776: /* Check whether a type has already been assigned. */
777:
778: if (DISP__NONE != dt && n->data.Bd.type != DISP__NONE)
1.93 kristaps 779: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
780: return(0);
781:
1.94 kristaps 782: /* Make our type assignment. */
783:
784: if (DISP__NONE != dt && n->data.Bd.type == DISP__NONE)
785: n->data.Bd.type = dt;
1.93 kristaps 786: }
787:
1.94 kristaps 788: if (DISP__NONE == n->data.Bd.type) {
1.93 kristaps 789: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
790: return(0);
1.94 kristaps 791: n->data.Bd.type = DISP_ragged;
1.93 kristaps 792: }
793:
794: return(1);
1.1 kristaps 795: }
796:
797:
798: static int
799: pre_ss(PRE_ARGS)
800: {
801:
802: if (MDOC_BLOCK != n->type)
803: return(1);
804: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
805: }
806:
807:
808: static int
809: pre_sh(PRE_ARGS)
810: {
811:
812: if (MDOC_BLOCK != n->type)
813: return(1);
1.100 kristaps 814:
815: mdoc->regs->regs[(int)REG_nS].set = 0;
1.70 kristaps 816: return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
1.1 kristaps 817: }
818:
819:
820: static int
821: pre_it(PRE_ARGS)
822: {
823:
824: if (MDOC_BLOCK != n->type)
825: return(1);
1.79 kristaps 826: /*
827: * FIXME: this can probably be lifted if we make the It into
828: * something else on-the-fly?
829: */
1.1 kristaps 830: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
831: }
832:
833:
834: static int
835: pre_an(PRE_ARGS)
836: {
837:
838: if (NULL == n->args || 1 == n->args->argc)
839: return(1);
1.79 kristaps 840: mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT,
841: n->line, n->pos,
842: "line arguments == 1 (have %d)",
843: n->args->argc);
844: return(0);
1.1 kristaps 845: }
846:
847:
848: static int
849: pre_rv(PRE_ARGS)
850: {
851:
852: return(check_stdarg(mdoc, n));
853: }
854:
855:
856: static int
1.85 kristaps 857: post_dt(POST_ARGS)
858: {
859: const struct mdoc_node *nn;
860: const char *p;
861:
862: if (NULL != (nn = mdoc->last->child))
863: for (p = nn->string; *p; p++) {
1.86 kristaps 864: if (toupper((u_char)*p) == *p)
1.85 kristaps 865: continue;
866: if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
867: return(0);
868: break;
869: }
870:
871: return(1);
872: }
873:
874:
875: static int
1.1 kristaps 876: pre_dt(PRE_ARGS)
877: {
1.54 kristaps 878:
1.1 kristaps 879: if (0 == mdoc->meta.date || mdoc->meta.os)
1.79 kristaps 880: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 881: return(0);
882: if (mdoc->meta.title)
1.79 kristaps 883: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 884: return(0);
885: return(1);
886: }
887:
888:
889: static int
890: pre_os(PRE_ARGS)
891: {
892:
893: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.79 kristaps 894: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 895: return(0);
896: if (mdoc->meta.os)
1.79 kristaps 897: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 898: return(0);
899: return(1);
900: }
901:
902:
903: static int
904: pre_dd(PRE_ARGS)
905: {
906:
907: if (mdoc->meta.title || mdoc->meta.os)
1.79 kristaps 908: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
1.1 kristaps 909: return(0);
910: if (mdoc->meta.date)
1.79 kristaps 911: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
1.1 kristaps 912: return(0);
913: return(1);
914: }
915:
916:
917: static int
918: post_bf(POST_ARGS)
919: {
920: char *p;
921: struct mdoc_node *head;
922:
923: if (MDOC_BLOCK != mdoc->last->type)
924: return(1);
925:
926: head = mdoc->last->head;
927:
1.79 kristaps 928: if (mdoc->last->args && head->child) {
929: /* FIXME: this should provide a default. */
930: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
931: return(0);
932: } else if (mdoc->last->args)
1.13 kristaps 933: return(1);
1.12 kristaps 934:
1.79 kristaps 935: if (NULL == head->child || MDOC_TEXT != head->child->type) {
936: /* FIXME: this should provide a default. */
937: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
938: return(0);
939: }
1.1 kristaps 940:
1.13 kristaps 941: p = head->child->string;
1.1 kristaps 942:
1.13 kristaps 943: if (0 == strcmp(p, "Em"))
944: return(1);
945: else if (0 == strcmp(p, "Li"))
946: return(1);
1.37 kristaps 947: else if (0 == strcmp(p, "Sy"))
1.13 kristaps 948: return(1);
1.1 kristaps 949:
1.79 kristaps 950: mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
951: return(0);
1.1 kristaps 952: }
953:
954:
955: static int
1.31 kristaps 956: post_lb(POST_ARGS)
957: {
958:
959: if (mdoc_a2lib(mdoc->last->child->string))
960: return(1);
1.79 kristaps 961: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
1.84 kristaps 962: }
963:
964:
965: static int
966: post_eoln(POST_ARGS)
967: {
968:
969: if (NULL == mdoc->last->child)
970: return(1);
971: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
1.31 kristaps 972: }
973:
974:
975: static int
1.57 kristaps 976: post_vt(POST_ARGS)
977: {
978: const struct mdoc_node *n;
979:
980: /*
981: * The Vt macro comes in both ELEM and BLOCK form, both of which
982: * have different syntaxes (yet more context-sensitive
983: * behaviour). ELEM types must have a child; BLOCK types,
984: * specifically the BODY, should only have TEXT children.
985: */
986:
987: if (MDOC_ELEM == mdoc->last->type)
988: return(eerr_ge1(mdoc));
989: if (MDOC_BODY != mdoc->last->type)
990: return(1);
991:
992: for (n = mdoc->last->child; n; n = n->next)
993: if (MDOC_TEXT != n->type)
1.79 kristaps 994: if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
1.57 kristaps 995: return(0);
996:
997: return(1);
998: }
999:
1000:
1001: static int
1.1 kristaps 1002: post_nm(POST_ARGS)
1003: {
1004:
1005: if (mdoc->last->child)
1006: return(1);
1007: if (mdoc->meta.name)
1008: return(1);
1.79 kristaps 1009: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
1.1 kristaps 1010: }
1011:
1012:
1013: static int
1014: post_at(POST_ARGS)
1015: {
1016:
1017: if (NULL == mdoc->last->child)
1018: return(1);
1.79 kristaps 1019: assert(MDOC_TEXT == mdoc->last->child->type);
1.1 kristaps 1020: if (mdoc_a2att(mdoc->last->child->string))
1021: return(1);
1.79 kristaps 1022: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
1.1 kristaps 1023: }
1024:
1025:
1026: static int
1027: post_an(POST_ARGS)
1028: {
1029:
1030: if (mdoc->last->args) {
1031: if (NULL == mdoc->last->child)
1032: return(1);
1.79 kristaps 1033: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
1.1 kristaps 1034: }
1035:
1036: if (mdoc->last->child)
1037: return(1);
1.79 kristaps 1038: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
1.1 kristaps 1039: }
1040:
1041:
1042: static int
1043: post_it(POST_ARGS)
1044: {
1.89 kristaps 1045: int i, cols, rc;
1046: enum mdoc_list lt;
1.1 kristaps 1047: struct mdoc_node *n, *c;
1.89 kristaps 1048: enum mandocerr er;
1.1 kristaps 1049:
1050: if (MDOC_BLOCK != mdoc->last->type)
1051: return(1);
1052:
1053: n = mdoc->last->parent->parent;
1.96 kristaps 1054: lt = n->data.Bl.type;
1.89 kristaps 1055:
1056: if (LIST__NONE == lt) {
1.79 kristaps 1057: mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
1058: return(0);
1059: }
1.1 kristaps 1060:
1.89 kristaps 1061: switch (lt) {
1062: case (LIST_tag):
1063: if (mdoc->last->head->child)
1.1 kristaps 1064: break;
1.89 kristaps 1065: /* FIXME: give this a dummy value. */
1066: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1067: return(0);
1.1 kristaps 1068: break;
1.89 kristaps 1069: case (LIST_hang):
1.1 kristaps 1070: /* FALLTHROUGH */
1.89 kristaps 1071: case (LIST_ohang):
1.1 kristaps 1072: /* FALLTHROUGH */
1.89 kristaps 1073: case (LIST_inset):
1.1 kristaps 1074: /* FALLTHROUGH */
1.89 kristaps 1075: case (LIST_diag):
1.1 kristaps 1076: if (NULL == mdoc->last->head->child)
1.79 kristaps 1077: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
1.1 kristaps 1078: return(0);
1079: if (NULL == mdoc->last->body->child)
1.79 kristaps 1080: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1081: return(0);
1082: break;
1.89 kristaps 1083: case (LIST_bullet):
1.1 kristaps 1084: /* FALLTHROUGH */
1.89 kristaps 1085: case (LIST_dash):
1.1 kristaps 1086: /* FALLTHROUGH */
1.89 kristaps 1087: case (LIST_enum):
1.1 kristaps 1088: /* FALLTHROUGH */
1.89 kristaps 1089: case (LIST_hyphen):
1.1 kristaps 1090: /* FALLTHROUGH */
1.89 kristaps 1091: case (LIST_item):
1.1 kristaps 1092: if (mdoc->last->head->child)
1.79 kristaps 1093: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
1.1 kristaps 1094: return(0);
1095: if (NULL == mdoc->last->body->child)
1.79 kristaps 1096: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1097: return(0);
1098: break;
1.89 kristaps 1099: case (LIST_column):
1100: cols = -1;
1101: for (i = 0; i < (int)n->args->argc; i++)
1102: if (MDOC_Column == n->args->argv[i].arg) {
1103: cols = (int)n->args->argv[i].sz;
1104: break;
1105: }
1106:
1107: assert(-1 != cols);
1.87 kristaps 1108: assert(NULL == mdoc->last->head->child);
1.89 kristaps 1109:
1.87 kristaps 1110: if (NULL == mdoc->last->body->child)
1111: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
1.1 kristaps 1112: return(0);
1.87 kristaps 1113:
1.89 kristaps 1114: for (i = 0, c = mdoc->last->child; c; c = c->next)
1.87 kristaps 1115: if (MDOC_BODY == c->type)
1116: i++;
1.38 kristaps 1117:
1.89 kristaps 1118: if (i < cols)
1119: er = MANDOCERR_ARGCOUNT;
1120: else if (i == cols || i == cols + 1)
1.38 kristaps 1121: break;
1.89 kristaps 1122: else
1123: er = MANDOCERR_SYNTARGCOUNT;
1.38 kristaps 1124:
1.89 kristaps 1125: rc = mdoc_vmsg(mdoc, er,
1.79 kristaps 1126: mdoc->last->line, mdoc->last->pos,
1127: "columns == %d (have %d)", cols, i);
1.89 kristaps 1128: return(rc);
1.1 kristaps 1129: default:
1130: break;
1131: }
1132:
1133: return(1);
1134: }
1135:
1136:
1137: static int
1.14 kristaps 1138: post_bl_head(POST_ARGS)
1139: {
1.90 kristaps 1140: int i;
1141: struct mdoc_node *n;
1.14 kristaps 1142:
1.90 kristaps 1143: assert(mdoc->last->parent);
1.14 kristaps 1144: n = mdoc->last->parent;
1145:
1.96 kristaps 1146: if (LIST_column == n->data.Bl.type) {
1.90 kristaps 1147: for (i = 0; i < (int)n->args->argc; i++)
1148: if (MDOC_Column == n->args->argv[i].arg)
1149: break;
1150: assert(i < (int)n->args->argc);
1151:
1152: if (n->args->argv[i].sz && mdoc->last->nchild) {
1153: mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
1154: return(0);
1.65 kristaps 1155: }
1.90 kristaps 1156: return(1);
1.65 kristaps 1157: }
1.14 kristaps 1158:
1.65 kristaps 1159: if (0 == (i = mdoc->last->nchild))
1160: return(1);
1161: return(warn_count(mdoc, "==", 0, "line arguments", i));
1.14 kristaps 1162: }
1163:
1164:
1165: static int
1.1 kristaps 1166: post_bl(POST_ARGS)
1167: {
1168: struct mdoc_node *n;
1169:
1.14 kristaps 1170: if (MDOC_HEAD == mdoc->last->type)
1171: return(post_bl_head(mdoc));
1.1 kristaps 1172: if (MDOC_BODY != mdoc->last->type)
1173: return(1);
1174: if (NULL == mdoc->last->child)
1175: return(1);
1176:
1.55 kristaps 1177: /*
1178: * We only allow certain children of `Bl'. This is usually on
1179: * `It', but apparently `Sm' occurs here and there, so we let
1180: * that one through, too.
1181: */
1182:
1.1 kristaps 1183: /* LINTED */
1184: for (n = mdoc->last->child; n; n = n->next) {
1.55 kristaps 1185: if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
1186: continue;
1187: if (MDOC_Sm == n->tok)
1188: continue;
1.79 kristaps 1189: mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
1190: return(0);
1.1 kristaps 1191: }
1192:
1193: return(1);
1194: }
1195:
1196:
1197: static int
1198: ebool(struct mdoc *mdoc)
1199: {
1200: struct mdoc_node *n;
1201:
1202: /* LINTED */
1203: for (n = mdoc->last->child; n; n = n->next) {
1204: if (MDOC_TEXT != n->type)
1205: break;
1.2 kristaps 1206: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1207: continue;
1.2 kristaps 1208: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1209: continue;
1210: break;
1211: }
1212:
1213: if (NULL == n)
1214: return(1);
1.79 kristaps 1215: return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
1.1 kristaps 1216: }
1217:
1218:
1219: static int
1220: post_root(POST_ARGS)
1221: {
1222:
1223: if (NULL == mdoc->first->child)
1.79 kristaps 1224: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1225: else if ( ! (MDOC_PBODY & mdoc->flags))
1226: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
1227: else if (MDOC_BLOCK != mdoc->first->child->type)
1228: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1229: else if (MDOC_Sh != mdoc->first->child->tok)
1230: mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
1231: else
1232: return(1);
1.1 kristaps 1233:
1.79 kristaps 1234: return(0);
1.1 kristaps 1235: }
1236:
1237:
1238: static int
1239: post_st(POST_ARGS)
1240: {
1241:
1242: if (mdoc_a2st(mdoc->last->child->string))
1243: return(1);
1.79 kristaps 1244: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
1.1 kristaps 1245: }
1246:
1247:
1248: static int
1.43 kristaps 1249: post_rs(POST_ARGS)
1250: {
1251: struct mdoc_node *nn;
1252:
1253: if (MDOC_BODY != mdoc->last->type)
1254: return(1);
1255:
1256: for (nn = mdoc->last->child; nn; nn = nn->next)
1257: switch (nn->tok) {
1.50 kristaps 1258: case(MDOC__U):
1259: /* FALLTHROUGH */
1.43 kristaps 1260: case(MDOC__Q):
1261: /* FALLTHROUGH */
1262: case(MDOC__C):
1263: /* FALLTHROUGH */
1264: case(MDOC__A):
1265: /* FALLTHROUGH */
1266: case(MDOC__B):
1267: /* FALLTHROUGH */
1268: case(MDOC__D):
1269: /* FALLTHROUGH */
1270: case(MDOC__I):
1271: /* FALLTHROUGH */
1272: case(MDOC__J):
1273: /* FALLTHROUGH */
1274: case(MDOC__N):
1275: /* FALLTHROUGH */
1276: case(MDOC__O):
1277: /* FALLTHROUGH */
1278: case(MDOC__P):
1279: /* FALLTHROUGH */
1280: case(MDOC__R):
1281: /* FALLTHROUGH */
1282: case(MDOC__T):
1283: /* FALLTHROUGH */
1284: case(MDOC__V):
1285: break;
1286: default:
1.79 kristaps 1287: mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
1288: return(0);
1.43 kristaps 1289: }
1290:
1291: return(1);
1292: }
1293:
1294:
1295: static int
1.1 kristaps 1296: post_sh(POST_ARGS)
1297: {
1298:
1299: if (MDOC_HEAD == mdoc->last->type)
1300: return(post_sh_head(mdoc));
1301: if (MDOC_BODY == mdoc->last->type)
1302: return(post_sh_body(mdoc));
1303:
1304: return(1);
1305: }
1306:
1307:
1308: static int
1309: post_sh_body(POST_ARGS)
1310: {
1311: struct mdoc_node *n;
1312:
1.29 kristaps 1313: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1314: return(1);
1315:
1316: /*
1317: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1318: * macros (can have multiple `Nm' and one `Nd'). Note that the
1319: * children of the BODY declaration can also be "text".
1320: */
1321:
1322: if (NULL == (n = mdoc->last->child))
1.79 kristaps 1323: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1324:
1325: for ( ; n && n->next; n = n->next) {
1326: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1327: continue;
1.28 kristaps 1328: if (MDOC_TEXT == n->type)
1329: continue;
1.79 kristaps 1330: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
1.1 kristaps 1331: return(0);
1332: }
1333:
1.41 kristaps 1334: assert(n);
1.27 kristaps 1335: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1336: return(1);
1.79 kristaps 1337: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
1.1 kristaps 1338: }
1339:
1340:
1341: static int
1342: post_sh_head(POST_ARGS)
1343: {
1.81 kristaps 1344: char buf[BUFSIZ];
1.2 kristaps 1345: enum mdoc_sec sec;
1346: const struct mdoc_node *n;
1.1 kristaps 1347:
1348: /*
1349: * Process a new section. Sections are either "named" or
1350: * "custom"; custom sections are user-defined, while named ones
1351: * usually follow a conventional order and may only appear in
1352: * certain manual sections.
1353: */
1354:
1.79 kristaps 1355: buf[0] = '\0';
1356:
1357: /*
1358: * FIXME: yes, these can use a dynamic buffer, but I don't do so
1359: * in the interests of simplicity.
1360: */
1.1 kristaps 1361:
1.2 kristaps 1362: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1363: /* XXX - copied from compact(). */
1.2 kristaps 1364: assert(MDOC_TEXT == n->type);
1.12 kristaps 1365:
1.81 kristaps 1366: if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1367: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1368: return(0);
1369: }
1.2 kristaps 1370: if (NULL == n->next)
1371: continue;
1.81 kristaps 1372: if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
1.79 kristaps 1373: mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
1374: return(0);
1375: }
1.2 kristaps 1376: }
1.1 kristaps 1377:
1.72 kristaps 1378: sec = mdoc_str2sec(buf);
1.1 kristaps 1379:
1.12 kristaps 1380: /*
1381: * Check: NAME should always be first, CUSTOM has no roles,
1382: * non-CUSTOM has a conventional order to be followed.
1383: */
1.1 kristaps 1384:
1.72 kristaps 1385: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.79 kristaps 1386: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
1.72 kristaps 1387: return(0);
1388:
1.1 kristaps 1389: if (SEC_CUSTOM == sec)
1390: return(1);
1.72 kristaps 1391:
1.1 kristaps 1392: if (sec == mdoc->lastnamed)
1.79 kristaps 1393: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
1.26 kristaps 1394: return(0);
1.72 kristaps 1395:
1.1 kristaps 1396: if (sec < mdoc->lastnamed)
1.79 kristaps 1397: if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
1.26 kristaps 1398: return(0);
1.1 kristaps 1399:
1.12 kristaps 1400: /*
1401: * Check particular section/manual conventions. LIBRARY can
1.78 kristaps 1402: * only occur in manual section 2, 3, and 9.
1.12 kristaps 1403: */
1.1 kristaps 1404:
1405: switch (sec) {
1406: case (SEC_LIBRARY):
1.78 kristaps 1407: assert(mdoc->meta.msec);
1408: if (*mdoc->meta.msec == '2')
1409: break;
1410: if (*mdoc->meta.msec == '3')
1411: break;
1412: if (*mdoc->meta.msec == '9')
1.1 kristaps 1413: break;
1.79 kristaps 1414: return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
1.1 kristaps 1415: default:
1416: break;
1417: }
1418:
1419: return(1);
1420: }
CVSweb