1 /* $Id: mdoc_validate.c,v 1.318 2017/02/06 03:44:58 schwarze Exp $ */
3 * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
5 * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <sys/types.h>
23 #include <sys/utsname.h>
34 #include "mandoc_aux.h"
38 #include "libmandoc.h"
42 /* FIXME: .Bl -diag can't have non-text children in HEAD. */
44 #define POST_ARGS struct roff_man *mdoc
52 typedef void (*v_post)(POST_ARGS);
54 static int build_list(struct roff_man *, int);
55 static void check_text(struct roff_man *, int, int, char *);
56 static void check_argv(struct roff_man *,
57 struct roff_node *, struct mdoc_argv *);
58 static void check_args(struct roff_man *, struct roff_node *);
59 static int child_an(const struct roff_node *);
60 static size_t macro2len(int);
61 static void rewrite_macro2len(char **);
63 static void post_an(POST_ARGS);
64 static void post_an_norm(POST_ARGS);
65 static void post_at(POST_ARGS);
66 static void post_bd(POST_ARGS);
67 static void post_bf(POST_ARGS);
68 static void post_bk(POST_ARGS);
69 static void post_bl(POST_ARGS);
70 static void post_bl_block(POST_ARGS);
71 static void post_bl_head(POST_ARGS);
72 static void post_bl_norm(POST_ARGS);
73 static void post_bx(POST_ARGS);
74 static void post_defaults(POST_ARGS);
75 static void post_display(POST_ARGS);
76 static void post_dd(POST_ARGS);
77 static void post_dt(POST_ARGS);
78 static void post_en(POST_ARGS);
79 static void post_es(POST_ARGS);
80 static void post_eoln(POST_ARGS);
81 static void post_ex(POST_ARGS);
82 static void post_fa(POST_ARGS);
83 static void post_fn(POST_ARGS);
84 static void post_fname(POST_ARGS);
85 static void post_fo(POST_ARGS);
86 static void post_hyph(POST_ARGS);
87 static void post_ignpar(POST_ARGS);
88 static void post_it(POST_ARGS);
89 static void post_lb(POST_ARGS);
90 static void post_nd(POST_ARGS);
91 static void post_nm(POST_ARGS);
92 static void post_ns(POST_ARGS);
93 static void post_obsolete(POST_ARGS);
94 static void post_os(POST_ARGS);
95 static void post_par(POST_ARGS);
96 static void post_prevpar(POST_ARGS);
97 static void post_root(POST_ARGS);
98 static void post_rs(POST_ARGS);
99 static void post_rv(POST_ARGS);
100 static void post_sh(POST_ARGS);
101 static void post_sh_head(POST_ARGS);
102 static void post_sh_name(POST_ARGS);
103 static void post_sh_see_also(POST_ARGS);
104 static void post_sh_authors(POST_ARGS);
105 static void post_sm(POST_ARGS);
106 static void post_st(POST_ARGS);
107 static void post_std(POST_ARGS);
108 static void post_xr(POST_ARGS);
109 static void post_xx(POST_ARGS);
111 static v_post mdoc_valids[MDOC_MAX] = {
117 post_ignpar, /* Ss */
119 post_display, /* D1 */
120 post_display, /* Dl */
121 post_display, /* Bd */
128 post_defaults, /* Ar */
142 post_defaults, /* Li */
146 post_obsolete, /* Ot */
147 post_defaults, /* Pa */
154 post_hyph, /* %B */ /* FIXME: can be used outside Rs/Re. */
162 post_hyph, /* %T */ /* FIXME: can be used outside Rs/Re. */
174 post_obsolete, /* Db */
216 post_obsolete, /* Fr */
221 post_defaults, /* Mt */
237 #define RSORD_MAX 14 /* Number of `Rs' blocks. */
239 static const int rsord[RSORD_MAX] = {
256 static const char * const secnames[SEC__MAX] = {
263 "IMPLEMENTATION NOTES",
278 "SECURITY CONSIDERATIONS",
284 mdoc_node_validate(struct roff_man *mdoc)
290 mdoc->last = mdoc->last->child;
291 while (mdoc->last != NULL) {
292 mdoc_node_validate(mdoc);
294 mdoc->last = mdoc->last->child;
296 mdoc->last = mdoc->last->next;
300 mdoc->next = ROFF_NEXT_SIBLING;
303 if (n->sec != SEC_SYNOPSIS ||
304 (n->parent->tok != MDOC_Cd && n->parent->tok != MDOC_Fd))
305 check_text(mdoc, n->line, n->pos, n->string);
314 check_args(mdoc, mdoc->last);
317 * Closing delimiters are not special at the
318 * beginning of a block, opening delimiters
319 * are not special at the end.
322 if (n->child != NULL)
323 n->child->flags &= ~NODE_DELIMC;
325 n->last->flags &= ~NODE_DELIMO;
327 /* Call the macro's postprocessor. */
329 p = mdoc_valids + n->tok;
339 check_args(struct roff_man *mdoc, struct roff_node *n)
346 assert(n->args->argc);
347 for (i = 0; i < (int)n->args->argc; i++)
348 check_argv(mdoc, n, &n->args->argv[i]);
352 check_argv(struct roff_man *mdoc, struct roff_node *n, struct mdoc_argv *v)
356 for (i = 0; i < (int)v->sz; i++)
357 check_text(mdoc, v->line, v->pos, v->value[i]);
361 check_text(struct roff_man *mdoc, int ln, int pos, char *p)
365 if (MDOC_LITERAL & mdoc->flags)
368 for (cp = p; NULL != (p = strchr(p, '\t')); p++)
369 mandoc_msg(MANDOCERR_FI_TAB, mdoc->parse,
370 ln, pos + (int)(p - cp), NULL);
374 post_bl_norm(POST_ARGS)
377 struct mdoc_argv *argv, *wa;
379 enum mdocargt mdoclt;
382 n = mdoc->last->parent;
383 n->norm->Bl.type = LIST__NONE;
386 * First figure out which kind of list to use: bind ourselves to
387 * the first mentioned list type and warn about any remaining
388 * ones. If we find no list type, we default to LIST_item.
391 wa = (n->args == NULL) ? NULL : n->args->argv;
392 mdoclt = MDOC_ARG_MAX;
393 for (i = 0; n->args && i < (int)n->args->argc; i++) {
394 argv = n->args->argv + i;
397 /* Set list types. */
431 /* Set list arguments. */
433 if (n->norm->Bl.comp)
434 mandoc_msg(MANDOCERR_ARG_REP,
435 mdoc->parse, argv->line,
436 argv->pos, "Bl -compact");
437 n->norm->Bl.comp = 1;
442 mandoc_msg(MANDOCERR_ARG_EMPTY,
443 mdoc->parse, argv->line,
444 argv->pos, "Bl -width");
445 n->norm->Bl.width = "0n";
448 if (NULL != n->norm->Bl.width)
449 mandoc_vmsg(MANDOCERR_ARG_REP,
450 mdoc->parse, argv->line,
451 argv->pos, "Bl -width %s",
453 rewrite_macro2len(argv->value);
454 n->norm->Bl.width = argv->value[0];
458 mandoc_msg(MANDOCERR_ARG_EMPTY,
459 mdoc->parse, argv->line,
460 argv->pos, "Bl -offset");
463 if (NULL != n->norm->Bl.offs)
464 mandoc_vmsg(MANDOCERR_ARG_REP,
465 mdoc->parse, argv->line,
466 argv->pos, "Bl -offset %s",
468 rewrite_macro2len(argv->value);
469 n->norm->Bl.offs = argv->value[0];
474 if (LIST__NONE == lt)
478 /* Check: multiple list types. */
480 if (LIST__NONE != n->norm->Bl.type) {
481 mandoc_vmsg(MANDOCERR_BL_REP,
482 mdoc->parse, n->line, n->pos,
483 "Bl -%s", mdoc_argnames[argv->arg]);
487 /* The list type should come first. */
489 if (n->norm->Bl.width ||
492 mandoc_vmsg(MANDOCERR_BL_LATETYPE,
493 mdoc->parse, n->line, n->pos, "Bl -%s",
494 mdoc_argnames[n->args->argv[0].arg]);
496 n->norm->Bl.type = lt;
497 if (LIST_column == lt) {
498 n->norm->Bl.ncols = argv->sz;
499 n->norm->Bl.cols = (void *)argv->value;
503 /* Allow lists to default to LIST_item. */
505 if (LIST__NONE == n->norm->Bl.type) {
506 mandoc_msg(MANDOCERR_BL_NOTYPE, mdoc->parse,
507 n->line, n->pos, "Bl");
508 n->norm->Bl.type = LIST_item;
513 * Validate the width field. Some list types don't need width
514 * types and should be warned about them. Others should have it
515 * and must also be warned. Yet others have a default and need
519 switch (n->norm->Bl.type) {
521 if (NULL == n->norm->Bl.width)
522 mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse,
523 n->line, n->pos, "Bl -tag");
530 if (n->norm->Bl.width)
531 mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse,
532 wa->line, wa->pos, "Bl -%s",
533 mdoc_argnames[mdoclt]);
538 if (NULL == n->norm->Bl.width)
539 n->norm->Bl.width = "2n";
542 if (NULL == n->norm->Bl.width)
543 n->norm->Bl.width = "3n";
554 struct mdoc_argv *argv;
559 for (i = 0; n->args && i < (int)n->args->argc; i++) {
560 argv = n->args->argv + i;
580 mandoc_msg(MANDOCERR_BD_FILE, mdoc->parse,
581 n->line, n->pos, NULL);
585 mandoc_msg(MANDOCERR_ARG_EMPTY,
586 mdoc->parse, argv->line,
587 argv->pos, "Bd -offset");
590 if (NULL != n->norm->Bd.offs)
591 mandoc_vmsg(MANDOCERR_ARG_REP,
592 mdoc->parse, argv->line,
593 argv->pos, "Bd -offset %s",
595 rewrite_macro2len(argv->value);
596 n->norm->Bd.offs = argv->value[0];
599 if (n->norm->Bd.comp)
600 mandoc_msg(MANDOCERR_ARG_REP,
601 mdoc->parse, argv->line,
602 argv->pos, "Bd -compact");
603 n->norm->Bd.comp = 1;
608 if (DISP__NONE == dt)
611 if (DISP__NONE == n->norm->Bd.type)
612 n->norm->Bd.type = dt;
614 mandoc_vmsg(MANDOCERR_BD_REP,
615 mdoc->parse, n->line, n->pos,
616 "Bd -%s", mdoc_argnames[argv->arg]);
619 if (DISP__NONE == n->norm->Bd.type) {
620 mandoc_msg(MANDOCERR_BD_NOTYPE, mdoc->parse,
621 n->line, n->pos, "Bd");
622 n->norm->Bd.type = DISP_ragged;
627 * Stand-alone line macros.
631 post_an_norm(POST_ARGS)
634 struct mdoc_argv *argv;
641 for (i = 1; i < n->args->argc; i++) {
642 argv = n->args->argv + i;
643 mandoc_vmsg(MANDOCERR_AN_REP,
644 mdoc->parse, argv->line, argv->pos,
645 "An -%s", mdoc_argnames[argv->arg]);
648 argv = n->args->argv;
649 if (argv->arg == MDOC_Split)
650 n->norm->An.auth = AUTH_split;
651 else if (argv->arg == MDOC_Nosplit)
652 n->norm->An.auth = AUTH_nosplit;
663 if (n->child != NULL)
664 mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
665 n->line, n->pos, "%s %s",
666 mdoc_macronames[n->tok], n->child->string);
668 while (n->child != NULL)
669 roff_node_delete(mdoc, n->child);
671 roff_word_alloc(mdoc, n->line, n->pos, n->tok == MDOC_Bt ?
672 "is currently in beta test." : "currently under development.");
673 mdoc->last->flags |= NODE_EOS | NODE_NOSRC;
678 build_list(struct roff_man *mdoc, int tok)
683 n = mdoc->last->next;
684 for (ic = 1;; ic++) {
685 roff_elem_alloc(mdoc, n->line, n->pos, tok);
686 mdoc->last->flags |= NODE_NOSRC;
687 mdoc_node_relink(mdoc, n);
688 n = mdoc->last = mdoc->last->parent;
689 mdoc->next = ROFF_NEXT_SIBLING;
692 if (ic > 1 || n->next->next != NULL) {
693 roff_word_alloc(mdoc, n->line, n->pos, ",");
694 mdoc->last->flags |= NODE_DELIMC | NODE_NOSRC;
696 n = mdoc->last->next;
697 if (n->next == NULL) {
698 roff_word_alloc(mdoc, n->line, n->pos, "and");
699 mdoc->last->flags |= NODE_NOSRC;
713 mdoc->next = ROFF_NEXT_CHILD;
714 roff_word_alloc(mdoc, n->line, n->pos, "The");
715 mdoc->last->flags |= NODE_NOSRC;
717 if (mdoc->last->next != NULL)
718 ic = build_list(mdoc, MDOC_Nm);
719 else if (mdoc->meta.name != NULL) {
720 roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Nm);
721 mdoc->last->flags |= NODE_NOSRC;
722 roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name);
723 mdoc->last->flags |= NODE_NOSRC;
724 mdoc->last = mdoc->last->parent;
725 mdoc->next = ROFF_NEXT_SIBLING;
728 mandoc_msg(MANDOCERR_EX_NONAME, mdoc->parse,
729 n->line, n->pos, "Ex");
733 roff_word_alloc(mdoc, n->line, n->pos,
734 ic > 1 ? "utilities exit\\~0" : "utility exits\\~0");
735 mdoc->last->flags |= NODE_NOSRC;
736 roff_word_alloc(mdoc, n->line, n->pos,
737 "on success, and\\~>0 if an error occurs.");
738 mdoc->last->flags |= NODE_EOS | NODE_NOSRC;
749 assert(n->child->type == ROFFT_TEXT);
750 mdoc->next = ROFF_NEXT_CHILD;
752 if ((p = mdoc_a2lib(n->child->string)) != NULL) {
753 n->child->flags |= NODE_NOPRT;
754 roff_word_alloc(mdoc, n->line, n->pos, p);
755 mdoc->last->flags = NODE_NOSRC;
760 roff_word_alloc(mdoc, n->line, n->pos, "library");
761 mdoc->last->flags = NODE_NOSRC;
762 roff_word_alloc(mdoc, n->line, n->pos, "\\(Lq");
763 mdoc->last->flags = NODE_DELIMO | NODE_NOSRC;
764 mdoc->last = mdoc->last->next;
765 roff_word_alloc(mdoc, n->line, n->pos, "\\(Rq");
766 mdoc->last->flags = NODE_DELIMC | NODE_NOSRC;
779 mdoc->next = ROFF_NEXT_CHILD;
780 if (n->child != NULL) {
781 roff_word_alloc(mdoc, n->line, n->pos, "The");
782 mdoc->last->flags |= NODE_NOSRC;
783 ic = build_list(mdoc, MDOC_Fn);
784 roff_word_alloc(mdoc, n->line, n->pos,
785 ic > 1 ? "functions return" : "function returns");
786 mdoc->last->flags |= NODE_NOSRC;
787 roff_word_alloc(mdoc, n->line, n->pos,
788 "the value\\~0 if successful;");
790 roff_word_alloc(mdoc, n->line, n->pos, "Upon successful "
791 "completion, the value\\~0 is returned;");
792 mdoc->last->flags |= NODE_NOSRC;
794 roff_word_alloc(mdoc, n->line, n->pos, "otherwise "
795 "the value\\~\\-1 is returned and the global variable");
796 mdoc->last->flags |= NODE_NOSRC;
797 roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Va);
798 mdoc->last->flags |= NODE_NOSRC;
799 roff_word_alloc(mdoc, n->line, n->pos, "errno");
800 mdoc->last->flags |= NODE_NOSRC;
801 mdoc->last = mdoc->last->parent;
802 mdoc->next = ROFF_NEXT_SIBLING;
803 roff_word_alloc(mdoc, n->line, n->pos,
804 "is set to indicate the error.");
805 mdoc->last->flags |= NODE_EOS | NODE_NOSRC;
815 if (n->args && n->args->argc == 1)
816 if (n->args->argv[0].arg == MDOC_Std)
819 mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse,
820 n->line, n->pos, mdoc_macronames[n->tok]);
826 struct roff_node *n, *nch;
831 assert(nch->type == ROFFT_TEXT);
833 if ((p = mdoc_a2st(nch->string)) == NULL) {
834 mandoc_vmsg(MANDOCERR_ST_BAD, mdoc->parse,
835 nch->line, nch->pos, "St %s", nch->string);
836 roff_node_delete(mdoc, n);
840 nch->flags |= NODE_NOPRT;
841 mdoc->next = ROFF_NEXT_CHILD;
842 roff_word_alloc(mdoc, nch->line, nch->pos, p);
843 mdoc->last->flags |= NODE_NOSRC;
848 post_obsolete(POST_ARGS)
853 if (n->type == ROFFT_ELEM || n->type == ROFFT_BLOCK)
854 mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse,
855 n->line, n->pos, mdoc_macronames[n->tok]);
865 struct roff_node *np, *nch;
868 * Unlike other data pointers, these are "housed" by the HEAD
869 * element, which contains the goods.
873 if (np->type != ROFFT_HEAD)
876 assert(np->parent->type == ROFFT_BLOCK);
877 assert(np->parent->tok == MDOC_Bf);
879 /* Check the number of arguments. */
882 if (np->parent->args == NULL) {
884 mandoc_msg(MANDOCERR_BF_NOFONT, mdoc->parse,
885 np->line, np->pos, "Bf");
891 mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
892 nch->line, nch->pos, "Bf ... %s", nch->string);
894 /* Extract argument into data. */
896 if (np->parent->args != NULL) {
897 switch (np->parent->args->argv[0].arg) {
899 np->norm->Bf.font = FONT_Em;
902 np->norm->Bf.font = FONT_Li;
905 np->norm->Bf.font = FONT_Sy;
913 /* Extract parameter into data. */
915 if ( ! strcmp(np->child->string, "Em"))
916 np->norm->Bf.font = FONT_Em;
917 else if ( ! strcmp(np->child->string, "Li"))
918 np->norm->Bf.font = FONT_Li;
919 else if ( ! strcmp(np->child->string, "Sy"))
920 np->norm->Bf.font = FONT_Sy;
922 mandoc_vmsg(MANDOCERR_BF_BADFONT, mdoc->parse,
923 np->child->line, np->child->pos,
924 "Bf %s", np->child->string);
928 post_fname(POST_ARGS)
930 const struct roff_node *n;
934 n = mdoc->last->child;
935 pos = strcspn(n->string, "()");
936 cp = n->string + pos;
937 if ( ! (cp[0] == '\0' || (cp[0] == '(' && cp[1] == '*')))
938 mandoc_msg(MANDOCERR_FN_PAREN, mdoc->parse,
939 n->line, n->pos + pos, n->string);
953 const struct roff_node *n;
957 if (n->type != ROFFT_HEAD)
960 if (n->child == NULL) {
961 mandoc_msg(MANDOCERR_FO_NOHEAD, mdoc->parse,
962 n->line, n->pos, "Fo");
965 if (n->child != n->last) {
966 mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
967 n->child->next->line, n->child->next->pos,
968 "Fo ... %s", n->child->next->string);
969 while (n->child != n->last)
970 roff_node_delete(mdoc, n->last);
979 const struct roff_node *n;
982 for (n = mdoc->last->child; n != NULL; n = n->next) {
983 for (cp = n->string; *cp != '\0'; cp++) {
984 /* Ignore callbacks and alterations. */
985 if (*cp == '(' || *cp == '{')
989 mandoc_msg(MANDOCERR_FA_COMMA, mdoc->parse,
990 n->line, n->pos + (cp - n->string),
1000 struct roff_node *n;
1004 if (n->last != NULL &&
1005 (n->last->tok == MDOC_Pp ||
1006 n->last->tok == MDOC_Lp))
1007 mdoc_node_relink(mdoc, n->last);
1009 if (mdoc->meta.name == NULL)
1010 deroff(&mdoc->meta.name, n);
1012 if (mdoc->meta.name == NULL ||
1013 (mdoc->lastsec == SEC_NAME && n->child == NULL))
1014 mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse,
1015 n->line, n->pos, "Nm");
1017 if ((n->type != ROFFT_ELEM && n->type != ROFFT_HEAD) ||
1018 (n->child != NULL && n->child->type == ROFFT_TEXT) ||
1019 mdoc->meta.name == NULL)
1022 mdoc->next = ROFF_NEXT_CHILD;
1023 roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name);
1024 mdoc->last->flags |= NODE_NOSRC;
1031 struct roff_node *n;
1035 if (n->type != ROFFT_BODY)
1038 if (n->child == NULL)
1039 mandoc_msg(MANDOCERR_ND_EMPTY, mdoc->parse,
1040 n->line, n->pos, "Nd");
1046 post_display(POST_ARGS)
1048 struct roff_node *n, *np;
1053 if (n->end != ENDBODY_NOT) {
1054 if (n->tok == MDOC_Bd &&
1055 n->body->parent->args == NULL)
1056 roff_node_delete(mdoc, n);
1057 } else if (n->child == NULL)
1058 mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse,
1059 n->line, n->pos, mdoc_macronames[n->tok]);
1060 else if (n->tok == MDOC_D1)
1064 if (n->tok == MDOC_Bd) {
1065 if (n->args == NULL) {
1066 mandoc_msg(MANDOCERR_BD_NOARG,
1067 mdoc->parse, n->line, n->pos, "Bd");
1068 mdoc->next = ROFF_NEXT_SIBLING;
1069 while (n->body->child != NULL)
1070 mdoc_node_relink(mdoc,
1072 roff_node_delete(mdoc, n);
1078 for (np = n->parent; np != NULL; np = np->parent) {
1079 if (np->type == ROFFT_BLOCK && np->tok == MDOC_Bd) {
1080 mandoc_vmsg(MANDOCERR_BD_NEST,
1081 mdoc->parse, n->line, n->pos,
1082 "%s in Bd", mdoc_macronames[n->tok]);
1093 post_defaults(POST_ARGS)
1095 struct roff_node *nn;
1098 * The `Ar' defaults to "file ..." if no value is provided as an
1099 * argument; the `Mt' and `Pa' macros use "~"; the `Li' just
1100 * gets an empty string.
1103 if (mdoc->last->child != NULL)
1110 mdoc->next = ROFF_NEXT_CHILD;
1111 roff_word_alloc(mdoc, nn->line, nn->pos, "file");
1112 mdoc->last->flags |= NODE_NOSRC;
1113 roff_word_alloc(mdoc, nn->line, nn->pos, "...");
1114 mdoc->last->flags |= NODE_NOSRC;
1118 mdoc->next = ROFF_NEXT_CHILD;
1119 roff_word_alloc(mdoc, nn->line, nn->pos, "~");
1120 mdoc->last->flags |= NODE_NOSRC;
1131 struct roff_node *n, *nch;
1138 * If we have a child, look it up in the standard keys. If a
1139 * key exist, use that instead of the child; if it doesn't,
1140 * prefix "AT&T UNIX " to the existing data.
1144 if (nch != NULL && ((att = mdoc_a2att(nch->string)) == NULL))
1145 mandoc_vmsg(MANDOCERR_AT_BAD, mdoc->parse,
1146 nch->line, nch->pos, "At %s", nch->string);
1148 mdoc->next = ROFF_NEXT_CHILD;
1150 roff_word_alloc(mdoc, nch->line, nch->pos, att);
1151 nch->flags |= NODE_NOPRT;
1153 roff_word_alloc(mdoc, n->line, n->pos, "AT&T UNIX");
1154 mdoc->last->flags |= NODE_NOSRC;
1161 struct roff_node *np, *nch;
1167 if (np->norm->An.auth == AUTH__NONE) {
1169 mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
1170 np->line, np->pos, "An");
1171 } else if (nch != NULL)
1172 mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
1173 nch->line, nch->pos, "An ... %s", nch->string);
1180 post_obsolete(mdoc);
1181 if (mdoc->last->type == ROFFT_BLOCK)
1182 mdoc->last->norm->Es = mdoc->last_es;
1189 post_obsolete(mdoc);
1190 mdoc->last_es = mdoc->last;
1196 struct roff_node *n;
1222 mdoc->next = ROFF_NEXT_CHILD;
1223 roff_word_alloc(mdoc, n->line, n->pos, os);
1224 mdoc->last->flags |= NODE_NOSRC;
1231 struct roff_node *nbl, *nit, *nch;
1238 if (nit->type != ROFFT_BLOCK)
1241 nbl = nit->parent->parent;
1242 lt = nbl->norm->Bl.type;
1250 if (nit->head->child == NULL)
1251 mandoc_vmsg(MANDOCERR_IT_NOHEAD,
1252 mdoc->parse, nit->line, nit->pos,
1254 mdoc_argnames[nbl->args->argv[0].arg]);
1260 if (nit->body == NULL || nit->body->child == NULL)
1261 mandoc_vmsg(MANDOCERR_IT_NOBODY,
1262 mdoc->parse, nit->line, nit->pos,
1264 mdoc_argnames[nbl->args->argv[0].arg]);
1267 if ((nch = nit->head->child) != NULL)
1268 mandoc_vmsg(MANDOCERR_ARG_SKIP,
1269 mdoc->parse, nit->line, nit->pos,
1270 "It %s", nch->string == NULL ?
1271 mdoc_macronames[nch->tok] : nch->string);
1274 cols = (int)nbl->norm->Bl.ncols;
1276 assert(nit->head->child == NULL);
1279 for (nch = nit->child; nch != NULL; nch = nch->next)
1280 if (nch->type == ROFFT_BODY)
1283 if (i < cols || i > cols + 1)
1284 mandoc_vmsg(MANDOCERR_BL_COL,
1285 mdoc->parse, nit->line, nit->pos,
1286 "%d columns, %d cells", cols, i);
1294 post_bl_block(POST_ARGS)
1296 struct roff_node *n, *ni, *nc;
1301 for (ni = n->body->child; ni != NULL; ni = ni->next) {
1302 if (ni->body == NULL)
1304 nc = ni->body->last;
1305 while (nc != NULL) {
1315 if (ni->next == NULL) {
1316 mandoc_msg(MANDOCERR_PAR_MOVE,
1317 mdoc->parse, nc->line, nc->pos,
1318 mdoc_macronames[nc->tok]);
1319 mdoc_node_relink(mdoc, nc);
1320 } else if (n->norm->Bl.comp == 0 &&
1321 n->norm->Bl.type != LIST_column) {
1322 mandoc_vmsg(MANDOCERR_PAR_SKIP,
1323 mdoc->parse, nc->line, nc->pos,
1325 mdoc_macronames[nc->tok]);
1326 roff_node_delete(mdoc, nc);
1329 nc = ni->body->last;
1335 * If the argument of -offset or -width is a macro,
1336 * replace it with the associated default width.
1339 rewrite_macro2len(char **arg)
1346 else if ( ! strcmp(*arg, "Ds"))
1348 else if ((tok = mdoc_hash_find(*arg)) == TOKEN_NONE)
1351 width = macro2len(tok);
1354 mandoc_asprintf(arg, "%zun", width);
1358 post_bl_head(POST_ARGS)
1360 struct roff_node *nbl, *nh, *nch, *nnext;
1361 struct mdoc_argv *argv;
1367 if (nh->norm->Bl.type != LIST_column) {
1368 if ((nch = nh->child) == NULL)
1370 mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
1371 nch->line, nch->pos, "Bl ... %s", nch->string);
1372 while (nch != NULL) {
1373 roff_node_delete(mdoc, nch);
1380 * Append old-style lists, where the column width specifiers
1381 * trail as macro parameters, to the new-style ("normal-form")
1382 * lists where they're argument values following -column.
1385 if (nh->child == NULL)
1389 for (j = 0; j < (int)nbl->args->argc; j++)
1390 if (nbl->args->argv[j].arg == MDOC_Column)
1393 assert(j < (int)nbl->args->argc);
1396 * Accommodate for new-style groff column syntax. Shuffle the
1397 * child nodes, all of which must be TEXT, as arguments for the
1398 * column field. Then, delete the head children.
1401 argv = nbl->args->argv + j;
1403 for (nch = nh->child; nch != NULL; nch = nch->next)
1405 argv->value = mandoc_reallocarray(argv->value,
1406 argv->sz, sizeof(char *));
1408 nh->norm->Bl.ncols = argv->sz;
1409 nh->norm->Bl.cols = (void *)argv->value;
1411 for (nch = nh->child; nch != NULL; nch = nnext) {
1412 argv->value[i++] = nch->string;
1415 roff_node_delete(NULL, nch);
1423 struct roff_node *nparent, *nprev; /* of the Bl block */
1424 struct roff_node *nblock, *nbody; /* of the Bl */
1425 struct roff_node *nchild, *nnext; /* of the Bl body */
1428 switch (nbody->type) {
1430 post_bl_block(mdoc);
1440 if (nbody->end != ENDBODY_NOT)
1443 nchild = nbody->child;
1444 if (nchild == NULL) {
1445 mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse,
1446 nbody->line, nbody->pos, "Bl");
1449 while (nchild != NULL) {
1450 nnext = nchild->next;
1451 if (nchild->tok == MDOC_It ||
1452 (nchild->tok == MDOC_Sm &&
1453 nnext != NULL && nnext->tok == MDOC_It)) {
1459 * In .Bl -column, the first rows may be implicit,
1460 * that is, they may not start with .It macros.
1461 * Such rows may be followed by nodes generated on the
1462 * roff level, for example .TS, which cannot be moved
1463 * out of the list. In that case, wrap such roff nodes
1464 * into an implicit row.
1467 if (nchild->prev != NULL) {
1468 mdoc->last = nchild;
1469 mdoc->next = ROFF_NEXT_SIBLING;
1470 roff_block_alloc(mdoc, nchild->line,
1471 nchild->pos, MDOC_It);
1472 roff_head_alloc(mdoc, nchild->line,
1473 nchild->pos, MDOC_It);
1474 mdoc->next = ROFF_NEXT_SIBLING;
1475 roff_body_alloc(mdoc, nchild->line,
1476 nchild->pos, MDOC_It);
1477 while (nchild->tok != MDOC_It) {
1478 mdoc_node_relink(mdoc, nchild);
1479 if ((nchild = nnext) == NULL)
1481 nnext = nchild->next;
1482 mdoc->next = ROFF_NEXT_SIBLING;
1488 mandoc_msg(MANDOCERR_BL_MOVE, mdoc->parse,
1489 nchild->line, nchild->pos,
1490 mdoc_macronames[nchild->tok]);
1493 * Move the node out of the Bl block.
1494 * First, collect all required node pointers.
1497 nblock = nbody->parent;
1498 nprev = nblock->prev;
1499 nparent = nblock->parent;
1502 * Unlink this child.
1505 nbody->child = nnext;
1512 * Relink this child.
1515 nchild->parent = nparent;
1516 nchild->prev = nprev;
1517 nchild->next = nblock;
1519 nblock->prev = nchild;
1521 nparent->child = nchild;
1523 nprev->next = nchild;
1532 struct roff_node *n;
1536 if (n->type == ROFFT_BLOCK && n->body->child == NULL) {
1537 mandoc_msg(MANDOCERR_BLK_EMPTY,
1538 mdoc->parse, n->line, n->pos, "Bk");
1539 roff_node_delete(mdoc, n);
1546 struct roff_node *nch;
1548 nch = mdoc->last->child;
1551 mdoc->flags ^= MDOC_SMOFF;
1555 assert(nch->type == ROFFT_TEXT);
1557 if ( ! strcmp(nch->string, "on")) {
1558 mdoc->flags &= ~MDOC_SMOFF;
1561 if ( ! strcmp(nch->string, "off")) {
1562 mdoc->flags |= MDOC_SMOFF;
1566 mandoc_vmsg(MANDOCERR_SM_BAD,
1567 mdoc->parse, nch->line, nch->pos,
1568 "%s %s", mdoc_macronames[mdoc->last->tok], nch->string);
1569 mdoc_node_relink(mdoc, nch);
1574 post_root(POST_ARGS)
1576 struct roff_node *n;
1578 /* Add missing prologue data. */
1580 if (mdoc->meta.date == NULL)
1581 mdoc->meta.date = mdoc->quick ?
1583 mandoc_normdate(mdoc->parse, NULL, 0, 0);
1585 if (mdoc->meta.title == NULL) {
1586 mandoc_msg(MANDOCERR_DT_NOTITLE,
1587 mdoc->parse, 0, 0, "EOF");
1588 mdoc->meta.title = mandoc_strdup("UNTITLED");
1591 if (mdoc->meta.vol == NULL)
1592 mdoc->meta.vol = mandoc_strdup("LOCAL");
1594 if (mdoc->meta.os == NULL) {
1595 mandoc_msg(MANDOCERR_OS_MISSING,
1596 mdoc->parse, 0, 0, NULL);
1597 mdoc->meta.os = mandoc_strdup("");
1600 /* Check that we begin with a proper `Sh'. */
1602 n = mdoc->first->child;
1603 while (n != NULL && n->tok != TOKEN_NONE &&
1604 mdoc_macros[n->tok].flags & MDOC_PROLOGUE)
1608 mandoc_msg(MANDOCERR_DOC_EMPTY, mdoc->parse, 0, 0, NULL);
1609 else if (n->tok != MDOC_Sh)
1610 mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse,
1611 n->line, n->pos, mdoc_macronames[n->tok]);
1617 struct roff_node *np, *nch, *next, *prev;
1622 if (np->type != ROFFT_BODY)
1625 if (np->child == NULL) {
1626 mandoc_msg(MANDOCERR_RS_EMPTY, mdoc->parse,
1627 np->line, np->pos, "Rs");
1632 * The full `Rs' block needs special handling to order the
1633 * sub-elements according to `rsord'. Pick through each element
1634 * and correctly order it. This is an insertion sort.
1638 for (nch = np->child->next; nch != NULL; nch = next) {
1639 /* Determine order number of this child. */
1640 for (i = 0; i < RSORD_MAX; i++)
1641 if (rsord[i] == nch->tok)
1644 if (i == RSORD_MAX) {
1645 mandoc_msg(MANDOCERR_RS_BAD,
1646 mdoc->parse, nch->line, nch->pos,
1647 mdoc_macronames[nch->tok]);
1649 } else if (nch->tok == MDOC__J || nch->tok == MDOC__B)
1650 np->norm->Rs.quote_T++;
1653 * Remove this child from the chain. This somewhat
1654 * repeats roff_node_unlink(), but since we're
1655 * just re-ordering, there's no need for the
1656 * full unlink process.
1659 if ((next = nch->next) != NULL)
1660 next->prev = nch->prev;
1662 if ((prev = nch->prev) != NULL)
1663 prev->next = nch->next;
1665 nch->prev = nch->next = NULL;
1668 * Scan back until we reach a node that's
1669 * to be ordered before this child.
1672 for ( ; prev ; prev = prev->prev) {
1673 /* Determine order of `prev'. */
1674 for (j = 0; j < RSORD_MAX; j++)
1675 if (rsord[j] == prev->tok)
1685 * Set this child back into its correct place
1686 * in front of the `prev' node.
1692 np->child->prev = nch;
1693 nch->next = np->child;
1697 prev->next->prev = nch;
1698 nch->next = prev->next;
1705 * For some arguments of some macros,
1706 * convert all breakable hyphens into ASCII_HYPH.
1709 post_hyph(POST_ARGS)
1711 struct roff_node *nch;
1714 for (nch = mdoc->last->child; nch != NULL; nch = nch->next) {
1715 if (nch->type != ROFFT_TEXT)
1720 while (*(++cp) != '\0')
1722 isalpha((unsigned char)cp[-1]) &&
1723 isalpha((unsigned char)cp[1]))
1732 if (mdoc->last->flags & NODE_LINE)
1733 mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse,
1734 mdoc->last->line, mdoc->last->pos, NULL);
1743 switch (mdoc->last->type) {
1748 switch (mdoc->lastsec) {
1753 post_sh_see_also(mdoc);
1756 post_sh_authors(mdoc);
1768 post_sh_name(POST_ARGS)
1770 struct roff_node *n;
1775 for (n = mdoc->last->child; n != NULL; n = n->next) {
1778 if (hasnm && n->child != NULL)
1779 mandoc_vmsg(MANDOCERR_NAMESEC_PUNCT,
1780 mdoc->parse, n->line, n->pos,
1781 "Nm %s", n->child->string);
1786 if (n->next != NULL)
1787 mandoc_msg(MANDOCERR_NAMESEC_ND,
1788 mdoc->parse, n->line, n->pos, NULL);
1791 if (n->type == ROFFT_TEXT &&
1792 n->string[0] == ',' && n->string[1] == '\0' &&
1793 n->next != NULL && n->next->tok == MDOC_Nm) {
1799 mandoc_msg(MANDOCERR_NAMESEC_BAD, mdoc->parse,
1800 n->line, n->pos, mdoc_macronames[n->tok]);
1807 mandoc_msg(MANDOCERR_NAMESEC_NONM, mdoc->parse,
1808 mdoc->last->line, mdoc->last->pos, NULL);
1810 mandoc_msg(MANDOCERR_NAMESEC_NOND, mdoc->parse,
1811 mdoc->last->line, mdoc->last->pos, NULL);
1815 post_sh_see_also(POST_ARGS)
1817 const struct roff_node *n;
1818 const char *name, *sec;
1819 const char *lastname, *lastsec, *lastpunct;
1822 n = mdoc->last->child;
1823 lastname = lastsec = lastpunct = NULL;
1825 if (n->tok != MDOC_Xr ||
1827 n->child->next == NULL)
1830 /* Process one .Xr node. */
1832 name = n->child->string;
1833 sec = n->child->next->string;
1834 if (lastsec != NULL) {
1835 if (lastpunct[0] != ',' || lastpunct[1] != '\0')
1836 mandoc_vmsg(MANDOCERR_XR_PUNCT,
1837 mdoc->parse, n->line, n->pos,
1838 "%s before %s(%s)", lastpunct,
1840 cmp = strcmp(lastsec, sec);
1842 mandoc_vmsg(MANDOCERR_XR_ORDER,
1843 mdoc->parse, n->line, n->pos,
1844 "%s(%s) after %s(%s)", name,
1845 sec, lastname, lastsec);
1846 else if (cmp == 0 &&
1847 strcasecmp(lastname, name) > 0)
1848 mandoc_vmsg(MANDOCERR_XR_ORDER,
1849 mdoc->parse, n->line, n->pos,
1850 "%s after %s", name, lastname);
1855 /* Process the following node. */
1860 if (n->tok == MDOC_Xr) {
1864 if (n->type != ROFFT_TEXT)
1866 for (name = n->string; *name != '\0'; name++)
1867 if (isalpha((const unsigned char)*name))
1869 lastpunct = n->string;
1870 if (n->next == NULL)
1871 mandoc_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse,
1872 n->line, n->pos, "%s after %s(%s)",
1873 lastpunct, lastname, lastsec);
1879 child_an(const struct roff_node *n)
1882 for (n = n->child; n != NULL; n = n->next)
1883 if ((n->tok == MDOC_An && n->child != NULL) || child_an(n))
1889 post_sh_authors(POST_ARGS)
1892 if ( ! child_an(mdoc->last))
1893 mandoc_msg(MANDOCERR_AN_MISSING, mdoc->parse,
1894 mdoc->last->line, mdoc->last->pos, NULL);
1898 post_sh_head(POST_ARGS)
1900 struct roff_node *nch;
1901 const char *goodsec;
1905 * Process a new section. Sections are either "named" or
1906 * "custom". Custom sections are user-defined, while named ones
1907 * follow a conventional order and may only appear in certain
1911 sec = mdoc->last->sec;
1913 /* The NAME should be first. */
1915 if (sec != SEC_NAME && mdoc->lastnamed == SEC_NONE)
1916 mandoc_vmsg(MANDOCERR_NAMESEC_FIRST, mdoc->parse,
1917 mdoc->last->line, mdoc->last->pos, "Sh %s",
1918 sec != SEC_CUSTOM ? secnames[sec] :
1919 (nch = mdoc->last->child) == NULL ? "" :
1920 nch->type == ROFFT_TEXT ? nch->string :
1921 mdoc_macronames[nch->tok]);
1923 /* The SYNOPSIS gets special attention in other areas. */
1925 if (sec == SEC_SYNOPSIS) {
1926 roff_setreg(mdoc->roff, "nS", 1, '=');
1927 mdoc->flags |= MDOC_SYNOPSIS;
1929 roff_setreg(mdoc->roff, "nS", 0, '=');
1930 mdoc->flags &= ~MDOC_SYNOPSIS;
1933 /* Mark our last section. */
1935 mdoc->lastsec = sec;
1937 /* We don't care about custom sections after this. */
1939 if (sec == SEC_CUSTOM)
1943 * Check whether our non-custom section is being repeated or is
1947 if (sec == mdoc->lastnamed)
1948 mandoc_vmsg(MANDOCERR_SEC_REP, mdoc->parse,
1949 mdoc->last->line, mdoc->last->pos,
1950 "Sh %s", secnames[sec]);
1952 if (sec < mdoc->lastnamed)
1953 mandoc_vmsg(MANDOCERR_SEC_ORDER, mdoc->parse,
1954 mdoc->last->line, mdoc->last->pos,
1955 "Sh %s", secnames[sec]);
1957 /* Mark the last named section. */
1959 mdoc->lastnamed = sec;
1961 /* Check particular section/manual conventions. */
1963 if (mdoc->meta.msec == NULL)
1969 if (*mdoc->meta.msec == '4')
1971 goodsec = "2, 3, 4, 9";
1973 case SEC_RETURN_VALUES:
1975 if (*mdoc->meta.msec == '2')
1977 if (*mdoc->meta.msec == '3')
1979 if (NULL == goodsec)
1980 goodsec = "2, 3, 9";
1983 if (*mdoc->meta.msec == '9')
1985 if (NULL == goodsec)
1987 mandoc_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse,
1988 mdoc->last->line, mdoc->last->pos,
1989 "Sh %s for %s only", secnames[sec], goodsec);
1999 struct roff_node *n, *nch;
2003 if (nch->next == NULL) {
2004 mandoc_vmsg(MANDOCERR_XR_NOSEC, mdoc->parse,
2005 n->line, n->pos, "Xr %s", nch->string);
2008 assert(nch->next == n->last);
2012 post_ignpar(POST_ARGS)
2014 struct roff_node *np;
2016 switch (mdoc->last->type) {
2026 if ((np = mdoc->last->child) != NULL)
2027 if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) {
2028 mandoc_vmsg(MANDOCERR_PAR_SKIP,
2029 mdoc->parse, np->line, np->pos,
2030 "%s after %s", mdoc_macronames[np->tok],
2031 mdoc_macronames[mdoc->last->tok]);
2032 roff_node_delete(mdoc, np);
2035 if ((np = mdoc->last->last) != NULL)
2036 if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) {
2037 mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
2038 np->line, np->pos, "%s at the end of %s",
2039 mdoc_macronames[np->tok],
2040 mdoc_macronames[mdoc->last->tok]);
2041 roff_node_delete(mdoc, np);
2046 post_prevpar(POST_ARGS)
2048 struct roff_node *n;
2051 if (NULL == n->prev)
2053 if (n->type != ROFFT_ELEM && n->type != ROFFT_BLOCK)
2057 * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
2058 * block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
2061 if (n->prev->tok != MDOC_Pp &&
2062 n->prev->tok != MDOC_Lp &&
2063 n->prev->tok != MDOC_br)
2065 if (n->tok == MDOC_Bl && n->norm->Bl.comp)
2067 if (n->tok == MDOC_Bd && n->norm->Bd.comp)
2069 if (n->tok == MDOC_It && n->parent->norm->Bl.comp)
2072 mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
2073 n->prev->line, n->prev->pos,
2074 "%s before %s", mdoc_macronames[n->prev->tok],
2075 mdoc_macronames[n->tok]);
2076 roff_node_delete(mdoc, n->prev);
2082 struct roff_node *np;
2085 if (np->tok != MDOC_br && np->tok != MDOC_sp)
2088 if (np->tok == MDOC_sp) {
2089 if (np->child != NULL && np->child->next != NULL)
2090 mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
2091 np->child->next->line, np->child->next->pos,
2092 "sp ... %s", np->child->next->string);
2093 } else if (np->child != NULL)
2094 mandoc_vmsg(MANDOCERR_ARG_SKIP,
2095 mdoc->parse, np->line, np->pos, "%s %s",
2096 mdoc_macronames[np->tok], np->child->string);
2098 if ((np = mdoc->last->prev) == NULL) {
2099 np = mdoc->last->parent;
2100 if (np->tok != MDOC_Sh && np->tok != MDOC_Ss)
2102 } else if (np->tok != MDOC_Pp && np->tok != MDOC_Lp &&
2103 (mdoc->last->tok != MDOC_br ||
2104 (np->tok != MDOC_sp && np->tok != MDOC_br)))
2107 mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
2108 mdoc->last->line, mdoc->last->pos,
2109 "%s after %s", mdoc_macronames[mdoc->last->tok],
2110 mdoc_macronames[np->tok]);
2111 roff_node_delete(mdoc, mdoc->last);
2117 struct roff_node *n;
2121 n->flags |= NODE_NOPRT;
2123 if (mdoc->meta.date != NULL) {
2124 mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
2125 n->line, n->pos, "Dd");
2126 free(mdoc->meta.date);
2127 } else if (mdoc->flags & MDOC_PBODY)
2128 mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
2129 n->line, n->pos, "Dd");
2130 else if (mdoc->meta.title != NULL)
2131 mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
2132 n->line, n->pos, "Dd after Dt");
2133 else if (mdoc->meta.os != NULL)
2134 mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
2135 n->line, n->pos, "Dd after Os");
2137 if (n->child == NULL || n->child->string[0] == '\0') {
2138 mdoc->meta.date = mdoc->quick ? mandoc_strdup("") :
2139 mandoc_normdate(mdoc->parse, NULL, n->line, n->pos);
2144 deroff(&datestr, n);
2146 mdoc->meta.date = datestr;
2148 mdoc->meta.date = mandoc_normdate(mdoc->parse,
2149 datestr, n->line, n->pos);
2157 struct roff_node *nn, *n;
2162 n->flags |= NODE_NOPRT;
2164 if (mdoc->flags & MDOC_PBODY) {
2165 mandoc_msg(MANDOCERR_DT_LATE, mdoc->parse,
2166 n->line, n->pos, "Dt");
2170 if (mdoc->meta.title != NULL)
2171 mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
2172 n->line, n->pos, "Dt");
2173 else if (mdoc->meta.os != NULL)
2174 mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
2175 n->line, n->pos, "Dt after Os");
2177 free(mdoc->meta.title);
2178 free(mdoc->meta.msec);
2179 free(mdoc->meta.vol);
2180 free(mdoc->meta.arch);
2182 mdoc->meta.title = NULL;
2183 mdoc->meta.msec = NULL;
2184 mdoc->meta.vol = NULL;
2185 mdoc->meta.arch = NULL;
2187 /* Mandatory first argument: title. */
2190 if (nn == NULL || *nn->string == '\0') {
2191 mandoc_msg(MANDOCERR_DT_NOTITLE,
2192 mdoc->parse, n->line, n->pos, "Dt");
2193 mdoc->meta.title = mandoc_strdup("UNTITLED");
2195 mdoc->meta.title = mandoc_strdup(nn->string);
2197 /* Check that all characters are uppercase. */
2199 for (p = nn->string; *p != '\0'; p++)
2200 if (islower((unsigned char)*p)) {
2201 mandoc_vmsg(MANDOCERR_TITLE_CASE,
2202 mdoc->parse, nn->line,
2203 nn->pos + (p - nn->string),
2204 "Dt %s", nn->string);
2209 /* Mandatory second argument: section. */
2215 mandoc_vmsg(MANDOCERR_MSEC_MISSING,
2216 mdoc->parse, n->line, n->pos,
2217 "Dt %s", mdoc->meta.title);
2218 mdoc->meta.vol = mandoc_strdup("LOCAL");
2219 return; /* msec and arch remain NULL. */
2222 mdoc->meta.msec = mandoc_strdup(nn->string);
2224 /* Infer volume title from section number. */
2226 cp = mandoc_a2msec(nn->string);
2228 mandoc_vmsg(MANDOCERR_MSEC_BAD, mdoc->parse,
2229 nn->line, nn->pos, "Dt ... %s", nn->string);
2230 mdoc->meta.vol = mandoc_strdup(nn->string);
2232 mdoc->meta.vol = mandoc_strdup(cp);
2234 /* Optional third argument: architecture. */
2236 if ((nn = nn->next) == NULL)
2239 for (p = nn->string; *p != '\0'; p++)
2240 *p = tolower((unsigned char)*p);
2241 mdoc->meta.arch = mandoc_strdup(nn->string);
2243 /* Ignore fourth and later arguments. */
2245 if ((nn = nn->next) != NULL)
2246 mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
2247 nn->line, nn->pos, "Dt ... %s", nn->string);
2253 struct roff_node *n, *nch;
2261 mdoc->next = ROFF_NEXT_SIBLING;
2262 roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns);
2263 mdoc->last->flags |= NODE_NOSRC;
2264 mdoc->next = ROFF_NEXT_SIBLING;
2266 mdoc->next = ROFF_NEXT_CHILD;
2267 roff_word_alloc(mdoc, n->line, n->pos, "BSD");
2268 mdoc->last->flags |= NODE_NOSRC;
2275 roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns);
2276 mdoc->last->flags |= NODE_NOSRC;
2277 mdoc->next = ROFF_NEXT_SIBLING;
2278 roff_word_alloc(mdoc, n->line, n->pos, "-");
2279 mdoc->last->flags |= NODE_NOSRC;
2280 roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns);
2281 mdoc->last->flags |= NODE_NOSRC;
2285 * Make `Bx's second argument always start with an uppercase
2286 * letter. Groff checks if it's an "accepted" term, but we just
2287 * uppercase blindly.
2290 *nch->string = (char)toupper((unsigned char)*nch->string);
2297 struct utsname utsname;
2298 static char *defbuf;
2300 struct roff_node *n;
2303 n->flags |= NODE_NOPRT;
2305 if (mdoc->meta.os != NULL)
2306 mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
2307 n->line, n->pos, "Os");
2308 else if (mdoc->flags & MDOC_PBODY)
2309 mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
2310 n->line, n->pos, "Os");
2313 * Set the operating system by way of the `Os' macro.
2314 * The order of precedence is:
2315 * 1. the argument of the `Os' macro, unless empty
2316 * 2. the -Ios=foo command line argument, if provided
2317 * 3. -DOSNAME="\"foo\"", if provided during compilation
2318 * 4. "sysname release" from uname(3)
2321 free(mdoc->meta.os);
2322 mdoc->meta.os = NULL;
2323 deroff(&mdoc->meta.os, n);
2328 mdoc->meta.os = mandoc_strdup(mdoc->defos);
2333 mdoc->meta.os = mandoc_strdup(OSNAME);
2335 if (defbuf == NULL) {
2336 if (uname(&utsname) == -1) {
2337 mandoc_msg(MANDOCERR_OS_UNAME, mdoc->parse,
2338 n->line, n->pos, "Os");
2339 defbuf = mandoc_strdup("UNKNOWN");
2341 mandoc_asprintf(&defbuf, "%s %s",
2342 utsname.sysname, utsname.release);
2344 mdoc->meta.os = mandoc_strdup(defbuf);
2349 mdoc_a2sec(const char *p)
2353 for (i = 0; i < (int)SEC__MAX; i++)
2354 if (secnames[i] && 0 == strcmp(p, secnames[i]))
2355 return (enum roff_sec)i;
2361 macro2len(int macro)