Annotation of mandoc/mdoc_validate.c, Revision 1.34
1.34 ! kristaps 1: /* $Id: mdoc_validate.c,v 1.33 2009/07/17 10:56:57 kristaps Exp $ */
1.1 kristaps 2: /*
1.7 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
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: */
17: #include <sys/types.h>
18:
19: #include <assert.h>
20: #include <ctype.h>
21: #include <stdarg.h>
22: #include <stdlib.h>
1.2 kristaps 23: #include <string.h>
1.1 kristaps 24:
25: #include "libmdoc.h"
1.18 kristaps 26: #include "libmandoc.h"
1.1 kristaps 27:
28: /* FIXME: .Bl -diag can't have non-text children in HEAD. */
29: /* TODO: ignoring Pp (it's superfluous in some invocations). */
30:
1.32 kristaps 31: #define PRE_ARGS struct mdoc *mdoc, const struct mdoc_node *n
32: #define POST_ARGS struct mdoc *mdoc
1.1 kristaps 33:
34: typedef int (*v_pre)(PRE_ARGS);
35: typedef int (*v_post)(POST_ARGS);
36:
37: struct valids {
38: v_pre *pre;
39: v_post *post;
40: };
41:
1.32 kristaps 42: static int check_parent(PRE_ARGS, int, enum mdoc_type);
43: static int check_msec(PRE_ARGS, ...);
44: static int check_sec(PRE_ARGS, ...);
45: static int check_stdarg(PRE_ARGS);
46: static int check_text(struct mdoc *, int, int, const char *);
47: static int check_argv(struct mdoc *,
1.1 kristaps 48: const struct mdoc_node *,
49: const struct mdoc_argv *);
1.32 kristaps 50: static int check_args(struct mdoc *,
1.1 kristaps 51: const struct mdoc_node *);
1.32 kristaps 52: static int err_child_lt(struct mdoc *, const char *, int);
53: static int warn_child_lt(struct mdoc *, const char *, int);
54: static int err_child_gt(struct mdoc *, const char *, int);
55: static int warn_child_gt(struct mdoc *, const char *, int);
56: static int err_child_eq(struct mdoc *, const char *, int);
57: static int warn_child_eq(struct mdoc *, const char *, int);
58: static int warn_print(struct mdoc *, int, int);
59: static int warn_count(struct mdoc *, const char *,
1.1 kristaps 60: int, const char *, int);
1.32 kristaps 61: static int err_count(struct mdoc *, const char *,
1.1 kristaps 62: int, const char *, int);
1.32 kristaps 63:
64: #ifdef __linux__
65: extern size_t strlcat(char *, const char *, size_t);
66: #endif
67:
68: static int berr_ge1(POST_ARGS);
69: static int bwarn_ge1(POST_ARGS);
70: static int ebool(POST_ARGS);
71: static int eerr_eq0(POST_ARGS);
72: static int eerr_eq1(POST_ARGS);
73: static int eerr_ge1(POST_ARGS);
74: static int eerr_le2(POST_ARGS);
75: static int ewarn_eq0(POST_ARGS);
76: static int ewarn_ge1(POST_ARGS);
77: static int herr_eq0(POST_ARGS);
78: static int herr_ge1(POST_ARGS);
79: static int hwarn_eq1(POST_ARGS);
80: static int hwarn_le1(POST_ARGS);
81:
82: static int post_an(POST_ARGS);
83: static int post_args(POST_ARGS);
84: static int post_at(POST_ARGS);
85: static int post_bf(POST_ARGS);
86: static int post_bl(POST_ARGS);
87: static int post_bl_head(POST_ARGS);
88: static int post_it(POST_ARGS);
89: static int post_lb(POST_ARGS);
90: static int post_nm(POST_ARGS);
91: static int post_root(POST_ARGS);
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);
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_cd(PRE_ARGS);
100: static int pre_dd(PRE_ARGS);
101: static int pre_display(PRE_ARGS);
102: static int pre_dt(PRE_ARGS);
103: static int pre_er(PRE_ARGS);
104: static int pre_ex(PRE_ARGS);
105: static int pre_fd(PRE_ARGS);
106: static int pre_it(PRE_ARGS);
107: static int pre_lb(PRE_ARGS);
108: static int pre_os(PRE_ARGS);
109: static int pre_rv(PRE_ARGS);
110: static int pre_sh(PRE_ARGS);
111: static int pre_ss(PRE_ARGS);
112:
113: static v_post posts_an[] = { post_an, NULL };
114: static v_post posts_at[] = { post_at, NULL };
115: static v_post posts_bd[] = { herr_eq0, bwarn_ge1, NULL };
116: static v_post posts_bf[] = { hwarn_le1, post_bf, NULL };
117: static v_post posts_bl[] = { bwarn_ge1, post_bl, NULL };
118: static v_post posts_bool[] = { eerr_eq1, ebool, NULL };
119: static v_post posts_ex[] = { eerr_eq0, post_args, NULL };
120: static v_post posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
121: static v_post posts_in[] = { eerr_eq1, NULL };
122: static v_post posts_it[] = { post_it, NULL };
123: static v_post posts_lb[] = { eerr_eq1, post_lb, NULL };
124: static v_post posts_nd[] = { berr_ge1, NULL };
125: static v_post posts_nm[] = { post_nm, NULL };
126: static v_post posts_notext[] = { eerr_eq0, NULL };
127: static v_post posts_pf[] = { eerr_eq1, NULL };
128: static v_post posts_rv[] = { eerr_eq0, post_args, NULL };
129: static v_post posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
130: static v_post posts_ss[] = { herr_ge1, NULL };
131: static v_post posts_st[] = { eerr_eq1, post_st, NULL };
132: static v_post posts_text[] = { eerr_ge1, NULL };
133: static v_post posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
134: static v_post posts_wtext[] = { ewarn_ge1, NULL };
135: static v_post posts_xr[] = { eerr_ge1, eerr_le2, NULL };
136: static v_pre pres_an[] = { pre_an, NULL };
137: static v_pre pres_bd[] = { pre_display, pre_bd, NULL };
138: static v_pre pres_bl[] = { pre_bl, NULL };
139: static v_pre pres_cd[] = { pre_cd, NULL };
140: static v_pre pres_d1[] = { pre_display, NULL };
141: static v_pre pres_dd[] = { pre_dd, NULL };
142: static v_pre pres_dt[] = { pre_dt, NULL };
143: static v_pre pres_er[] = { pre_er, NULL };
144: static v_pre pres_ex[] = { pre_ex, NULL };
145: static v_pre pres_fd[] = { pre_fd, NULL };
146: static v_pre pres_it[] = { pre_it, NULL };
147: static v_pre pres_lb[] = { pre_lb, NULL };
148: static v_pre pres_os[] = { pre_os, NULL };
149: static v_pre pres_rv[] = { pre_rv, NULL };
150: static v_pre pres_sh[] = { pre_sh, NULL };
151: static v_pre pres_ss[] = { pre_ss, NULL };
1.1 kristaps 152:
153: const struct valids mdoc_valids[MDOC_MAX] = {
1.10 kristaps 154: { NULL, NULL }, /* Ap */
1.1 kristaps 155: { pres_dd, posts_text }, /* Dd */
156: { pres_dt, NULL }, /* Dt */
157: { pres_os, NULL }, /* Os */
158: { pres_sh, posts_sh }, /* Sh */
159: { pres_ss, posts_ss }, /* Ss */
1.34 ! kristaps 160: { NULL, posts_notext }, /* Pp */
1.1 kristaps 161: { pres_d1, posts_wline }, /* D1 */
162: { pres_d1, posts_wline }, /* Dl */
163: { pres_bd, posts_bd }, /* Bd */
164: { NULL, NULL }, /* Ed */
165: { pres_bl, posts_bl }, /* Bl */
166: { NULL, NULL }, /* El */
167: { pres_it, posts_it }, /* It */
168: { NULL, posts_text }, /* Ad */
169: { pres_an, posts_an }, /* An */
170: { NULL, NULL }, /* Ar */
171: { pres_cd, posts_text }, /* Cd */
172: { NULL, NULL }, /* Cm */
173: { NULL, NULL }, /* Dv */
174: { pres_er, posts_text }, /* Er */
175: { NULL, NULL }, /* Ev */
176: { pres_ex, posts_ex }, /* Ex */
177: { NULL, NULL }, /* Fa */
178: { pres_fd, posts_wtext }, /* Fd */
179: { NULL, NULL }, /* Fl */
180: { NULL, posts_text }, /* Fn */
181: { NULL, posts_wtext }, /* Ft */
182: { NULL, posts_text }, /* Ic */
183: { NULL, posts_in }, /* In */
184: { NULL, NULL }, /* Li */
1.27 kristaps 185: { NULL, posts_nd }, /* Nd */
1.1 kristaps 186: { NULL, posts_nm }, /* Nm */
187: { NULL, posts_wline }, /* Op */
188: { NULL, NULL }, /* Ot */
189: { NULL, NULL }, /* Pa */
190: { pres_rv, posts_rv }, /* Rv */
191: { NULL, posts_st }, /* St */
192: { NULL, NULL }, /* Va */
193: { NULL, posts_text }, /* Vt */
194: { NULL, posts_xr }, /* Xr */
195: { NULL, posts_text }, /* %A */
196: { NULL, posts_text }, /* %B */
197: { NULL, posts_text }, /* %D */
198: { NULL, posts_text }, /* %I */
199: { NULL, posts_text }, /* %J */
200: { NULL, posts_text }, /* %N */
201: { NULL, posts_text }, /* %O */
202: { NULL, posts_text }, /* %P */
203: { NULL, posts_text }, /* %R */
204: { NULL, posts_text }, /* %T */
205: { NULL, posts_text }, /* %V */
206: { NULL, NULL }, /* Ac */
207: { NULL, NULL }, /* Ao */
208: { NULL, posts_wline }, /* Aq */
209: { NULL, posts_at }, /* At */
210: { NULL, NULL }, /* Bc */
211: { NULL, posts_bf }, /* Bf */
212: { NULL, NULL }, /* Bo */
213: { NULL, posts_wline }, /* Bq */
214: { NULL, NULL }, /* Bsx */
215: { NULL, NULL }, /* Bx */
216: { NULL, posts_bool }, /* Db */
217: { NULL, NULL }, /* Dc */
218: { NULL, NULL }, /* Do */
219: { NULL, posts_wline }, /* Dq */
220: { NULL, NULL }, /* Ec */
221: { NULL, NULL }, /* Ef */
222: { NULL, NULL }, /* Em */
223: { NULL, NULL }, /* Eo */
224: { NULL, NULL }, /* Fx */
225: { NULL, posts_text }, /* Ms */
226: { NULL, posts_notext }, /* No */
227: { NULL, posts_notext }, /* Ns */
228: { NULL, NULL }, /* Nx */
229: { NULL, NULL }, /* Ox */
230: { NULL, NULL }, /* Pc */
231: { NULL, posts_pf }, /* Pf */
232: { NULL, NULL }, /* Po */
233: { NULL, posts_wline }, /* Pq */
234: { NULL, NULL }, /* Qc */
235: { NULL, posts_wline }, /* Ql */
236: { NULL, NULL }, /* Qo */
237: { NULL, posts_wline }, /* Qq */
238: { NULL, NULL }, /* Re */
239: { NULL, posts_wline }, /* Rs */
240: { NULL, NULL }, /* Sc */
241: { NULL, NULL }, /* So */
242: { NULL, posts_wline }, /* Sq */
243: { NULL, posts_bool }, /* Sm */
244: { NULL, posts_text }, /* Sx */
245: { NULL, posts_text }, /* Sy */
246: { NULL, posts_text }, /* Tn */
247: { NULL, NULL }, /* Ux */
248: { NULL, NULL }, /* Xc */
249: { NULL, NULL }, /* Xo */
250: { NULL, posts_fo }, /* Fo */
251: { NULL, NULL }, /* Fc */
252: { NULL, NULL }, /* Oo */
253: { NULL, NULL }, /* Oc */
254: { NULL, posts_wline }, /* Bk */
255: { NULL, NULL }, /* Ek */
256: { NULL, posts_notext }, /* Bt */
257: { NULL, NULL }, /* Hf */
258: { NULL, NULL }, /* Fr */
259: { NULL, posts_notext }, /* Ud */
260: { pres_lb, posts_lb }, /* Lb */
1.34 ! kristaps 261: { NULL, posts_notext }, /* Lp */
1.9 kristaps 262: { NULL, NULL }, /* Lk */
1.1 kristaps 263: { NULL, posts_text }, /* Mt */
264: { NULL, posts_wline }, /* Brq */
265: { NULL, NULL }, /* Bro */
266: { NULL, NULL }, /* Brc */
267: { NULL, posts_text }, /* %C */
268: { NULL, NULL }, /* Es */
269: { NULL, NULL }, /* En */
270: { NULL, NULL }, /* Dx */
271: { NULL, posts_text }, /* %Q */
1.33 kristaps 272: { NULL, posts_notext }, /* br */
273: { NULL, NULL }, /* sp */
1.1 kristaps 274: };
275:
276:
277: int
1.32 kristaps 278: mdoc_valid_pre(struct mdoc *mdoc, const struct mdoc_node *n)
1.1 kristaps 279: {
280: v_pre *p;
281: int line, pos;
282: const char *tp;
283:
284: if (MDOC_TEXT == n->type) {
285: tp = n->string;
286: line = n->line;
287: pos = n->pos;
288: return(check_text(mdoc, line, pos, tp));
289: }
290:
291: if ( ! check_args(mdoc, n))
292: return(0);
293: if (NULL == mdoc_valids[n->tok].pre)
294: return(1);
295: for (p = mdoc_valids[n->tok].pre; *p; p++)
296: if ( ! (*p)(mdoc, n))
297: return(0);
298: return(1);
299: }
300:
301:
302: int
303: mdoc_valid_post(struct mdoc *mdoc)
304: {
305: v_post *p;
306:
307: if (MDOC_VALID & mdoc->last->flags)
308: return(1);
309: mdoc->last->flags |= MDOC_VALID;
310:
311: if (MDOC_TEXT == mdoc->last->type)
312: return(1);
313: if (MDOC_ROOT == mdoc->last->type)
314: return(post_root(mdoc));
315:
316: if (NULL == mdoc_valids[mdoc->last->tok].post)
317: return(1);
318: for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
319: if ( ! (*p)(mdoc))
320: return(0);
321:
322: return(1);
323: }
324:
325:
326: static int
1.4 kristaps 327: warn_print(struct mdoc *m, int ln, int pos)
328: {
1.21 kristaps 329:
1.23 kristaps 330: if (MDOC_IGN_CHARS & m->pflags)
331: return(mdoc_pwarn(m, ln, pos, EPRINT));
332: return(mdoc_perr(m, ln, pos, EPRINT));
1.4 kristaps 333: }
334:
1.1 kristaps 335:
336: static inline int
337: warn_count(struct mdoc *m, const char *k,
338: int want, const char *v, int has)
339: {
340:
1.23 kristaps 341: return(mdoc_vwarn(m, m->last->line, m->last->pos,
342: "suggests %s %s %d (has %d)", v, k, want, has));
1.1 kristaps 343: }
344:
345:
346: static inline int
347: err_count(struct mdoc *m, const char *k,
348: int want, const char *v, int has)
349: {
350:
1.23 kristaps 351: return(mdoc_verr(m, m->last->line, m->last->pos,
1.1 kristaps 352: "requires %s %s %d (has %d)", v, k, want, has));
353: }
354:
355:
356: /*
357: * Build these up with macros because they're basically the same check
358: * for different inequalities. Yes, this could be done with functions,
359: * but this is reasonable for now.
360: */
361:
362: #define CHECK_CHILD_DEFN(lvl, name, ineq) \
363: static int \
364: lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) \
365: { \
1.16 kristaps 366: if (mdoc->last->nchild ineq sz) \
1.1 kristaps 367: return(1); \
1.16 kristaps 368: return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
1.1 kristaps 369: }
370:
371: #define CHECK_BODY_DEFN(name, lvl, func, num) \
372: static int \
373: b##lvl##_##name(POST_ARGS) \
374: { \
375: if (MDOC_BODY != mdoc->last->type) \
376: return(1); \
377: return(func(mdoc, "multi-line arguments", (num))); \
378: }
379:
380: #define CHECK_ELEM_DEFN(name, lvl, func, num) \
381: static int \
382: e##lvl##_##name(POST_ARGS) \
383: { \
384: assert(MDOC_ELEM == mdoc->last->type); \
385: return(func(mdoc, "line arguments", (num))); \
386: }
387:
388: #define CHECK_HEAD_DEFN(name, lvl, func, num) \
389: static int \
390: h##lvl##_##name(POST_ARGS) \
391: { \
392: if (MDOC_HEAD != mdoc->last->type) \
393: return(1); \
394: return(func(mdoc, "line arguments", (num))); \
395: }
396:
397:
398: CHECK_CHILD_DEFN(warn, gt, >) /* warn_child_gt() */
399: CHECK_CHILD_DEFN(err, gt, >) /* err_child_gt() */
400: CHECK_CHILD_DEFN(warn, eq, ==) /* warn_child_eq() */
401: CHECK_CHILD_DEFN(err, eq, ==) /* err_child_eq() */
402: CHECK_CHILD_DEFN(err, lt, <) /* err_child_lt() */
403: CHECK_CHILD_DEFN(warn, lt, <) /* warn_child_lt() */
404: CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0) /* bwarn_ge1() */
1.27 kristaps 405: CHECK_BODY_DEFN(ge1, err, err_child_gt, 0) /* berr_ge1() */
1.1 kristaps 406: CHECK_ELEM_DEFN(eq0, warn, warn_child_eq, 0) /* ewarn_eq0() */
407: CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0) /* ewarn_gt1() */
408: CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1) /* eerr_eq1() */
409: CHECK_ELEM_DEFN(le2, err, err_child_lt, 3) /* eerr_le2() */
410: CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0) /* eerr_eq0() */
411: CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0) /* eerr_ge1() */
412: CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0) /* herr_eq0() */
413: CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2) /* hwarn_le1() */
414: CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0) /* herr_ge1() */
415: CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1) /* hwarn_eq1() */
416:
417:
418: static int
419: check_stdarg(PRE_ARGS)
420: {
421:
422: if (n->args && 1 == n->args->argc)
423: if (MDOC_Std == n->args->argv[0].arg)
424: return(1);
1.23 kristaps 425: return(mdoc_nwarn(mdoc, n, EARGVAL));
1.1 kristaps 426: }
427:
428:
429: static int
430: check_sec(PRE_ARGS, ...)
431: {
432: enum mdoc_sec sec;
433: va_list ap;
434:
435: va_start(ap, n);
436:
437: for (;;) {
438: /* LINTED */
439: sec = (enum mdoc_sec)va_arg(ap, int);
440: if (SEC_CUSTOM == sec)
441: break;
442: if (sec != mdoc->lastsec)
443: continue;
444: va_end(ap);
445: return(1);
446: }
447:
448: va_end(ap);
1.23 kristaps 449: return(mdoc_nwarn(mdoc, n, EBADSEC));
1.1 kristaps 450: }
451:
452:
453: static int
454: check_msec(PRE_ARGS, ...)
455: {
456: va_list ap;
457: int msec;
458:
459: va_start(ap, n);
460: for (;;) {
461: /* LINTED */
462: if (0 == (msec = va_arg(ap, int)))
463: break;
464: if (msec != mdoc->meta.msec)
465: continue;
466: va_end(ap);
467: return(1);
468: }
469:
470: va_end(ap);
1.23 kristaps 471: return(mdoc_nwarn(mdoc, n, EBADMSEC));
1.1 kristaps 472: }
473:
474:
475: static int
476: check_args(struct mdoc *m, const struct mdoc_node *n)
477: {
478: int i;
479:
480: if (NULL == n->args)
481: return(1);
482:
483: assert(n->args->argc);
484: for (i = 0; i < (int)n->args->argc; i++)
485: if ( ! check_argv(m, n, &n->args->argv[i]))
486: return(0);
487:
488: return(1);
489: }
490:
491:
492: static int
493: check_argv(struct mdoc *m, const struct mdoc_node *n,
494: const struct mdoc_argv *v)
495: {
496: int i;
497:
498: for (i = 0; i < (int)v->sz; i++)
499: if ( ! check_text(m, v->line, v->pos, v->value[i]))
500: return(0);
501:
502: if (MDOC_Std == v->arg) {
503: /* `Nm' name must be set. */
504: if (v->sz || m->meta.name)
505: return(1);
1.23 kristaps 506: return(mdoc_nerr(m, n, ENAME));
1.1 kristaps 507: }
508:
509: return(1);
510: }
511:
512:
513: static int
514: check_text(struct mdoc *mdoc, int line, int pos, const char *p)
515: {
1.18 kristaps 516: int c;
1.1 kristaps 517:
1.18 kristaps 518: for ( ; *p; p++, pos++) {
1.1 kristaps 519: if ('\t' == *p) {
520: if ( ! (MDOC_LITERAL & mdoc->flags))
1.4 kristaps 521: if ( ! warn_print(mdoc, line, pos))
522: return(0);
1.1 kristaps 523: } else if ( ! isprint((u_char)*p))
1.4 kristaps 524: if ( ! warn_print(mdoc, line, pos))
525: return(0);
1.1 kristaps 526:
527: if ('\\' != *p)
528: continue;
529:
1.18 kristaps 530: c = mandoc_special(p);
1.1 kristaps 531: if (c) {
1.18 kristaps 532: p += c - 1;
533: pos += c - 1;
1.1 kristaps 534: continue;
535: }
536: if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags))
1.23 kristaps 537: return(mdoc_perr(mdoc, line, pos, EESCAPE));
1.32 kristaps 538: if ( ! mdoc_pwarn(mdoc, line, pos, EESCAPE))
1.1 kristaps 539: return(0);
540: }
541:
542: return(1);
543: }
544:
545:
546:
547:
548: static int
549: check_parent(PRE_ARGS, int tok, enum mdoc_type t)
550: {
551:
552: assert(n->parent);
553: if ((MDOC_ROOT == t || tok == n->parent->tok) &&
554: (t == n->parent->type))
555: return(1);
556:
1.23 kristaps 557: return(mdoc_verr(mdoc, n->line, n->pos, "require parent %s",
1.1 kristaps 558: MDOC_ROOT == t ? "<root>" : mdoc_macronames[tok]));
559: }
560:
561:
562:
563: static int
564: pre_display(PRE_ARGS)
565: {
566: struct mdoc_node *node;
567:
568: /* Display elements (`Bd', `D1'...) cannot be nested. */
569:
570: if (MDOC_BLOCK != n->type)
571: return(1);
572:
573: /* LINTED */
574: for (node = mdoc->last->parent; node; node = node->parent)
575: if (MDOC_BLOCK == node->type)
576: if (MDOC_Bd == node->tok)
577: break;
578: if (NULL == node)
579: return(1);
580:
1.23 kristaps 581: return(mdoc_nerr(mdoc, n, ENESTDISP));
1.1 kristaps 582: }
583:
584:
585: static int
586: pre_bl(PRE_ARGS)
587: {
1.15 kristaps 588: int pos, type, width, offset;
1.1 kristaps 589:
590: if (MDOC_BLOCK != n->type)
591: return(1);
592: if (NULL == n->args)
1.23 kristaps 593: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 594:
595: /* Make sure that only one type of list is specified. */
596:
1.15 kristaps 597: type = offset = width = -1;
1.1 kristaps 598:
599: /* LINTED */
1.8 kristaps 600: for (pos = 0; pos < (int)n->args->argc; pos++)
601: switch (n->args->argv[pos].arg) {
1.1 kristaps 602: case (MDOC_Bullet):
603: /* FALLTHROUGH */
604: case (MDOC_Dash):
605: /* FALLTHROUGH */
606: case (MDOC_Enum):
607: /* FALLTHROUGH */
608: case (MDOC_Hyphen):
609: /* FALLTHROUGH */
610: case (MDOC_Item):
611: /* FALLTHROUGH */
612: case (MDOC_Tag):
613: /* FALLTHROUGH */
614: case (MDOC_Diag):
615: /* FALLTHROUGH */
616: case (MDOC_Hang):
617: /* FALLTHROUGH */
618: case (MDOC_Ohang):
619: /* FALLTHROUGH */
620: case (MDOC_Inset):
621: /* FALLTHROUGH */
622: case (MDOC_Column):
1.8 kristaps 623: if (-1 != type)
1.23 kristaps 624: return(mdoc_nerr(mdoc, n, EMULTILIST));
1.8 kristaps 625: type = n->args->argv[pos].arg;
626: break;
1.1 kristaps 627: case (MDOC_Width):
1.8 kristaps 628: if (-1 != width)
1.23 kristaps 629: return(mdoc_nerr(mdoc, n, EARGREP));
1.8 kristaps 630: width = n->args->argv[pos].arg;
631: break;
1.1 kristaps 632: case (MDOC_Offset):
1.8 kristaps 633: if (-1 != offset)
1.23 kristaps 634: return(mdoc_nerr(mdoc, n, EARGREP));
1.8 kristaps 635: offset = n->args->argv[pos].arg;
636: break;
1.1 kristaps 637: default:
638: break;
639: }
640:
641: if (-1 == type)
1.23 kristaps 642: return(mdoc_nerr(mdoc, n, ELISTTYPE));
1.1 kristaps 643:
1.8 kristaps 644: /*
645: * Validate the width field. Some list types don't need width
646: * types and should be warned about them. Others should have it
647: * and must also be warned.
648: */
649:
1.1 kristaps 650: switch (type) {
1.8 kristaps 651: case (MDOC_Tag):
1.23 kristaps 652: if (-1 == width && ! mdoc_nwarn(mdoc, n, EMISSWIDTH))
1.8 kristaps 653: return(0);
654: break;
1.1 kristaps 655: case (MDOC_Column):
656: /* FALLTHROUGH */
657: case (MDOC_Diag):
658: /* FALLTHROUGH */
659: case (MDOC_Inset):
660: /* FALLTHROUGH */
661: case (MDOC_Item):
1.23 kristaps 662: if (-1 != width && ! mdoc_nwarn(mdoc, n, ENOWIDTH))
1.8 kristaps 663: return(0);
664: break;
665: default:
666: break;
667: }
668:
1.1 kristaps 669: return(1);
670: }
671:
672:
673: static int
674: pre_bd(PRE_ARGS)
675: {
676: int i, type, err;
677:
678: if (MDOC_BLOCK != n->type)
679: return(1);
680: if (NULL == n->args)
1.23 kristaps 681: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 682:
683: /* Make sure that only one type of display is specified. */
684:
685: /* LINTED */
686: for (i = 0, err = type = 0; ! err &&
687: i < (int)n->args->argc; i++)
688: switch (n->args->argv[i].arg) {
689: case (MDOC_Ragged):
690: /* FALLTHROUGH */
691: case (MDOC_Unfilled):
692: /* FALLTHROUGH */
693: case (MDOC_Filled):
694: /* FALLTHROUGH */
695: case (MDOC_Literal):
696: /* FALLTHROUGH */
697: case (MDOC_File):
698: if (0 == type++)
699: break;
1.23 kristaps 700: return(mdoc_nerr(mdoc, n, EMULTIDISP));
1.1 kristaps 701: default:
702: break;
703: }
704:
705: if (type)
706: return(1);
1.23 kristaps 707: return(mdoc_nerr(mdoc, n, EDISPTYPE));
1.1 kristaps 708: }
709:
710:
711: static int
712: pre_ss(PRE_ARGS)
713: {
714:
715: if (MDOC_BLOCK != n->type)
716: return(1);
717: return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
718: }
719:
720:
721: static int
722: pre_sh(PRE_ARGS)
723: {
724:
725: if (MDOC_BLOCK != n->type)
726: return(1);
727: return(check_parent(mdoc, n, -1, MDOC_ROOT));
728: }
729:
730:
731: static int
732: pre_it(PRE_ARGS)
733: {
734:
735: if (MDOC_BLOCK != n->type)
736: return(1);
737: return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
738: }
739:
740:
741: static int
742: pre_an(PRE_ARGS)
743: {
744:
745: if (NULL == n->args || 1 == n->args->argc)
746: return(1);
1.23 kristaps 747: return(mdoc_verr(mdoc, n->line, n->pos,
748: "only one argument allowed"));
1.1 kristaps 749: }
750:
751:
752: static int
753: pre_lb(PRE_ARGS)
754: {
755:
756: return(check_sec(mdoc, n, SEC_LIBRARY, SEC_CUSTOM));
757: }
758:
759:
760: static int
761: pre_rv(PRE_ARGS)
762: {
763:
764: if ( ! check_msec(mdoc, n, 2, 3, 0))
765: return(0);
766: return(check_stdarg(mdoc, n));
767: }
768:
769:
770: static int
771: pre_ex(PRE_ARGS)
772: {
773:
774: if ( ! check_msec(mdoc, n, 1, 6, 8, 0))
775: return(0);
776: return(check_stdarg(mdoc, n));
777: }
778:
779:
780: static int
781: pre_er(PRE_ARGS)
782: {
783:
1.6 kristaps 784: return(check_msec(mdoc, n, 2, 3, 9, 0));
1.1 kristaps 785: }
786:
787:
788: static int
789: pre_cd(PRE_ARGS)
790: {
791:
792: return(check_msec(mdoc, n, 4, 0));
793: }
794:
795:
796: static int
797: pre_dt(PRE_ARGS)
798: {
799:
800: if (0 == mdoc->meta.date || mdoc->meta.os)
1.23 kristaps 801: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 802: return(0);
803: if (mdoc->meta.title)
1.23 kristaps 804: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 805: return(0);
806: return(1);
807: }
808:
809:
810: static int
811: pre_os(PRE_ARGS)
812: {
813:
814: if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
1.23 kristaps 815: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 816: return(0);
817: if (mdoc->meta.os)
1.23 kristaps 818: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 819: return(0);
820: return(1);
821: }
822:
823:
824: static int
825: pre_dd(PRE_ARGS)
826: {
827:
828: if (mdoc->meta.title || mdoc->meta.os)
1.23 kristaps 829: if ( ! mdoc_nwarn(mdoc, n, EPROLOOO))
1.1 kristaps 830: return(0);
831: if (mdoc->meta.date)
1.23 kristaps 832: if ( ! mdoc_nwarn(mdoc, n, EPROLREP))
1.1 kristaps 833: return(0);
834: return(1);
835: }
836:
837:
838: static int
839: post_bf(POST_ARGS)
840: {
841: char *p;
842: struct mdoc_node *head;
843:
844: if (MDOC_BLOCK != mdoc->last->type)
845: return(1);
846:
847: head = mdoc->last->head;
848:
1.12 kristaps 849: if (mdoc->last->args && head->child)
1.24 kristaps 850: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.13 kristaps 851: else if (mdoc->last->args)
852: return(1);
1.12 kristaps 853:
1.13 kristaps 854: if (NULL == head->child || MDOC_TEXT != head->child->type)
1.24 kristaps 855: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 856:
1.13 kristaps 857: p = head->child->string;
1.1 kristaps 858:
1.13 kristaps 859: if (0 == strcmp(p, "Em"))
860: return(1);
861: else if (0 == strcmp(p, "Li"))
862: return(1);
863: else if (0 == strcmp(p, "Sm"))
864: return(1);
1.1 kristaps 865:
1.23 kristaps 866: return(mdoc_nerr(mdoc, head, EFONT));
1.1 kristaps 867: }
868:
869:
870: static int
1.31 kristaps 871: post_lb(POST_ARGS)
872: {
873:
874: if (mdoc_a2lib(mdoc->last->child->string))
875: return(1);
876: return(mdoc_nwarn(mdoc, mdoc->last, ELIB));
877: }
878:
879:
880: static int
1.1 kristaps 881: post_nm(POST_ARGS)
882: {
883:
884: if (mdoc->last->child)
885: return(1);
886: if (mdoc->meta.name)
887: return(1);
1.23 kristaps 888: return(mdoc_nerr(mdoc, mdoc->last, ENAME));
1.1 kristaps 889: }
890:
891:
892: static int
893: post_at(POST_ARGS)
894: {
895:
896: if (NULL == mdoc->last->child)
897: return(1);
898: if (MDOC_TEXT != mdoc->last->child->type)
1.23 kristaps 899: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 900: if (mdoc_a2att(mdoc->last->child->string))
901: return(1);
1.23 kristaps 902: return(mdoc_nerr(mdoc, mdoc->last, EATT));
1.1 kristaps 903: }
904:
905:
906: static int
907: post_an(POST_ARGS)
908: {
909:
910: if (mdoc->last->args) {
911: if (NULL == mdoc->last->child)
912: return(1);
1.23 kristaps 913: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 914: }
915:
916: if (mdoc->last->child)
917: return(1);
1.23 kristaps 918: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 919: }
920:
921:
922: static int
923: post_args(POST_ARGS)
924: {
925:
926: if (mdoc->last->args)
927: return(1);
1.23 kristaps 928: return(mdoc_nerr(mdoc, mdoc->last, ELINE));
1.1 kristaps 929: }
930:
931:
932: static int
933: post_it(POST_ARGS)
934: {
935: int type, i, cols;
936: struct mdoc_node *n, *c;
937:
938: if (MDOC_BLOCK != mdoc->last->type)
939: return(1);
940:
941: n = mdoc->last->parent->parent;
942: if (NULL == n->args)
1.23 kristaps 943: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 944:
945: /* Some types require block-head, some not. */
946:
947: /* LINTED */
948: for (cols = type = -1, i = 0; -1 == type &&
949: i < (int)n->args->argc; i++)
950: switch (n->args->argv[i].arg) {
951: case (MDOC_Tag):
952: /* FALLTHROUGH */
953: case (MDOC_Diag):
954: /* FALLTHROUGH */
955: case (MDOC_Hang):
956: /* FALLTHROUGH */
957: case (MDOC_Ohang):
958: /* FALLTHROUGH */
959: case (MDOC_Inset):
960: /* FALLTHROUGH */
961: case (MDOC_Bullet):
962: /* FALLTHROUGH */
963: case (MDOC_Dash):
964: /* FALLTHROUGH */
965: case (MDOC_Enum):
966: /* FALLTHROUGH */
967: case (MDOC_Hyphen):
968: /* FALLTHROUGH */
969: case (MDOC_Item):
970: type = n->args->argv[i].arg;
971: break;
972: case (MDOC_Column):
973: type = n->args->argv[i].arg;
974: cols = (int)n->args->argv[i].sz;
975: break;
976: default:
977: break;
978: }
979:
980: if (-1 == type)
1.23 kristaps 981: return(mdoc_nerr(mdoc, mdoc->last, ELISTTYPE));
1.1 kristaps 982:
983: switch (type) {
984: case (MDOC_Tag):
985: if (NULL == mdoc->last->head->child)
1.23 kristaps 986: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 987: return(0);
988: break;
989: case (MDOC_Hang):
990: /* FALLTHROUGH */
991: case (MDOC_Ohang):
992: /* FALLTHROUGH */
993: case (MDOC_Inset):
994: /* FALLTHROUGH */
995: case (MDOC_Diag):
996: if (NULL == mdoc->last->head->child)
1.23 kristaps 997: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 998: return(0);
999: if (NULL == mdoc->last->body->child)
1.23 kristaps 1000: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1001: return(0);
1002: break;
1003: case (MDOC_Bullet):
1004: /* FALLTHROUGH */
1005: case (MDOC_Dash):
1006: /* FALLTHROUGH */
1007: case (MDOC_Enum):
1008: /* FALLTHROUGH */
1009: case (MDOC_Hyphen):
1010: /* FALLTHROUGH */
1011: case (MDOC_Item):
1012: if (mdoc->last->head->child)
1.23 kristaps 1013: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOLINE))
1.1 kristaps 1014: return(0);
1015: if (NULL == mdoc->last->body->child)
1.23 kristaps 1016: if ( ! mdoc_nwarn(mdoc, mdoc->last, EMULTILINE))
1.1 kristaps 1017: return(0);
1018: break;
1019: case (MDOC_Column):
1020: if (NULL == mdoc->last->head->child)
1.23 kristaps 1021: if ( ! mdoc_nwarn(mdoc, mdoc->last, ELINE))
1.1 kristaps 1022: return(0);
1023: if (mdoc->last->body->child)
1.23 kristaps 1024: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENOMULTILINE))
1.1 kristaps 1025: return(0);
1026: c = mdoc->last->child;
1027: for (i = 0; c && MDOC_HEAD == c->type; c = c->next)
1028: i++;
1029: if (i == cols)
1030: break;
1.23 kristaps 1031: return(mdoc_verr(mdoc, mdoc->last->line, mdoc->last->pos,
1032: "column mismatch (have %d, want %d)",
1033: i, cols));
1.1 kristaps 1034: default:
1035: break;
1036: }
1037:
1038: return(1);
1039: }
1040:
1041:
1042: static int
1.14 kristaps 1043: post_bl_head(POST_ARGS)
1044: {
1045: int i;
1046: const struct mdoc_node *n;
1047:
1048: n = mdoc->last->parent;
1049: assert(n->args);
1050:
1051: for (i = 0; i < (int)n->args->argc; i++)
1052: if (n->args->argv[i].arg == MDOC_Column)
1053: break;
1054:
1055: if (i == (int)n->args->argc)
1056: return(1);
1057:
1058: if (n->args->argv[i].sz && mdoc->last->child)
1.23 kristaps 1059: return(mdoc_nerr(mdoc, n, ECOLMIS));
1.14 kristaps 1060:
1061: return(1);
1062: }
1063:
1064:
1065: static int
1.1 kristaps 1066: post_bl(POST_ARGS)
1067: {
1068: struct mdoc_node *n;
1069:
1.14 kristaps 1070: if (MDOC_HEAD == mdoc->last->type)
1071: return(post_bl_head(mdoc));
1.1 kristaps 1072: if (MDOC_BODY != mdoc->last->type)
1073: return(1);
1074: if (NULL == mdoc->last->child)
1075: return(1);
1076:
1077: /* LINTED */
1078: for (n = mdoc->last->child; n; n = n->next) {
1079: if (MDOC_BLOCK == n->type)
1080: if (MDOC_It == n->tok)
1081: continue;
1.23 kristaps 1082: return(mdoc_verr(mdoc, n->line, n->pos,
1083: "bad child of parent %s",
1.1 kristaps 1084: mdoc_macronames[mdoc->last->tok]));
1085: }
1086:
1087: return(1);
1088: }
1089:
1090:
1091: static int
1092: ebool(struct mdoc *mdoc)
1093: {
1094: struct mdoc_node *n;
1095:
1096: /* LINTED */
1097: for (n = mdoc->last->child; n; n = n->next) {
1098: if (MDOC_TEXT != n->type)
1099: break;
1.2 kristaps 1100: if (0 == strcmp(n->string, "on"))
1.1 kristaps 1101: continue;
1.2 kristaps 1102: if (0 == strcmp(n->string, "off"))
1.1 kristaps 1103: continue;
1104: break;
1105: }
1106:
1107: if (NULL == n)
1108: return(1);
1.23 kristaps 1109: return(mdoc_nerr(mdoc, n, EBOOL));
1.1 kristaps 1110: }
1111:
1112:
1113: static int
1114: post_root(POST_ARGS)
1115: {
1116:
1117: if (NULL == mdoc->first->child)
1.23 kristaps 1118: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.12 kristaps 1119: if ( ! (MDOC_PBODY & mdoc->flags))
1.23 kristaps 1120: return(mdoc_nerr(mdoc, mdoc->first, ENOPROLOGUE));
1.1 kristaps 1121:
1122: if (MDOC_BLOCK != mdoc->first->child->type)
1.23 kristaps 1123: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1124: if (MDOC_Sh != mdoc->first->child->tok)
1.23 kristaps 1125: return(mdoc_nerr(mdoc, mdoc->first, ENODAT));
1.1 kristaps 1126:
1127: return(1);
1128: }
1129:
1130:
1131: static int
1132: post_st(POST_ARGS)
1133: {
1134:
1135: if (mdoc_a2st(mdoc->last->child->string))
1136: return(1);
1.30 kristaps 1137: return(mdoc_nerr(mdoc, mdoc->last, EBADSTAND));
1.1 kristaps 1138: }
1139:
1140:
1141: static int
1142: post_sh(POST_ARGS)
1143: {
1144:
1145: if (MDOC_HEAD == mdoc->last->type)
1146: return(post_sh_head(mdoc));
1147: if (MDOC_BODY == mdoc->last->type)
1148: return(post_sh_body(mdoc));
1149:
1150: return(1);
1151: }
1152:
1153:
1154: static int
1155: post_sh_body(POST_ARGS)
1156: {
1157: struct mdoc_node *n;
1158:
1.29 kristaps 1159: if (SEC_NAME != mdoc->lastsec)
1.1 kristaps 1160: return(1);
1161:
1162: /*
1163: * Warn if the NAME section doesn't contain the `Nm' and `Nd'
1164: * macros (can have multiple `Nm' and one `Nd'). Note that the
1165: * children of the BODY declaration can also be "text".
1166: */
1167:
1168: if (NULL == (n = mdoc->last->child))
1.23 kristaps 1169: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1170:
1171: for ( ; n && n->next; n = n->next) {
1172: if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
1173: continue;
1.28 kristaps 1174: if (MDOC_TEXT == n->type)
1175: continue;
1.23 kristaps 1176: if ( ! mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC))
1.1 kristaps 1177: return(0);
1178: }
1179:
1.27 kristaps 1180: if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
1.1 kristaps 1181: return(1);
1.23 kristaps 1182: return(mdoc_nwarn(mdoc, mdoc->last, ENAMESECINC));
1.1 kristaps 1183: }
1184:
1185:
1186: static int
1187: post_sh_head(POST_ARGS)
1188: {
1.2 kristaps 1189: char buf[64];
1190: enum mdoc_sec sec;
1191: const struct mdoc_node *n;
1.1 kristaps 1192:
1193: /*
1194: * Process a new section. Sections are either "named" or
1195: * "custom"; custom sections are user-defined, while named ones
1196: * usually follow a conventional order and may only appear in
1197: * certain manual sections.
1198: */
1199:
1.12 kristaps 1200: buf[0] = 0;
1.1 kristaps 1201:
1.2 kristaps 1202: for (n = mdoc->last->child; n; n = n->next) {
1.12 kristaps 1203: /* XXX - copied from compact(). */
1.2 kristaps 1204: assert(MDOC_TEXT == n->type);
1.12 kristaps 1205:
1.2 kristaps 1206: if (strlcat(buf, n->string, 64) >= 64)
1.23 kristaps 1207: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1208: if (NULL == n->next)
1209: continue;
1210: if (strlcat(buf, " ", 64) >= 64)
1.23 kristaps 1211: return(mdoc_nerr(mdoc, n, ETOOLONG));
1.2 kristaps 1212: }
1.1 kristaps 1213:
1214: sec = mdoc_atosec(buf);
1215:
1.12 kristaps 1216: /*
1217: * Check: NAME should always be first, CUSTOM has no roles,
1218: * non-CUSTOM has a conventional order to be followed.
1219: */
1.1 kristaps 1220:
1.12 kristaps 1221: if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
1.23 kristaps 1222: return(mdoc_nerr(mdoc, mdoc->last, ESECNAME));
1.1 kristaps 1223: if (SEC_CUSTOM == sec)
1224: return(1);
1225: if (sec == mdoc->lastnamed)
1.26 kristaps 1226: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECREP))
1227: return(0);
1.1 kristaps 1228: if (sec < mdoc->lastnamed)
1.26 kristaps 1229: if ( ! mdoc_nwarn(mdoc, mdoc->last, ESECOOO))
1230: return(0);
1.1 kristaps 1231:
1.12 kristaps 1232: /*
1233: * Check particular section/manual conventions. LIBRARY can
1234: * only occur in msec 2, 3 (TODO: are there more of these?).
1235: */
1.1 kristaps 1236:
1237: switch (sec) {
1238: case (SEC_LIBRARY):
1239: switch (mdoc->meta.msec) {
1240: case (2):
1241: /* FALLTHROUGH */
1242: case (3):
1243: break;
1244: default:
1.23 kristaps 1245: return(mdoc_nwarn(mdoc, mdoc->last, EWRONGMSEC));
1.1 kristaps 1246: }
1247: break;
1248: default:
1249: break;
1250: }
1251:
1252: return(1);
1253: }
1254:
1255:
1256: static int
1257: pre_fd(PRE_ARGS)
1258: {
1259:
1260: return(check_sec(mdoc, n, SEC_SYNOPSIS, SEC_CUSTOM));
1261: }
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