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-rw-r--r--usr.bin/mandoc/mdoc_validate.c3047
1 files changed, 3047 insertions, 0 deletions
diff --git a/usr.bin/mandoc/mdoc_validate.c b/usr.bin/mandoc/mdoc_validate.c
new file mode 100644
index 0000000..34668bf
--- /dev/null
+++ b/usr.bin/mandoc/mdoc_validate.c
@@ -0,0 +1,3047 @@
+/* $OpenBSD: mdoc_validate.c,v 1.302 2020/04/26 21:29:45 schwarze Exp $ */
+/*
+ * Copyright (c) 2010-2020 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Validation module for mdoc(7) syntax trees used by mandoc(1).
+ */
+#include <sys/types.h>
+#ifndef OSNAME
+#include <sys/utsname.h>
+#endif
+
+#include <assert.h>
+#include <ctype.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "mandoc_aux.h"
+#include "mandoc.h"
+#include "mandoc_xr.h"
+#include "roff.h"
+#include "mdoc.h"
+#include "libmandoc.h"
+#include "roff_int.h"
+#include "libmdoc.h"
+#include "tag.h"
+
+/* FIXME: .Bl -diag can't have non-text children in HEAD. */
+
+#define POST_ARGS struct roff_man *mdoc
+
+enum check_ineq {
+ CHECK_LT,
+ CHECK_GT,
+ CHECK_EQ
+};
+
+typedef void (*v_post)(POST_ARGS);
+
+static int build_list(struct roff_man *, int);
+static void check_argv(struct roff_man *,
+ struct roff_node *, struct mdoc_argv *);
+static void check_args(struct roff_man *, struct roff_node *);
+static void check_text(struct roff_man *, int, int, char *);
+static void check_text_em(struct roff_man *, int, int, char *);
+static void check_toptext(struct roff_man *, int, int, const char *);
+static int child_an(const struct roff_node *);
+static size_t macro2len(enum roff_tok);
+static void rewrite_macro2len(struct roff_man *, char **);
+static int similar(const char *, const char *);
+
+static void post_abort(POST_ARGS) __attribute__((__noreturn__));
+static void post_an(POST_ARGS);
+static void post_an_norm(POST_ARGS);
+static void post_at(POST_ARGS);
+static void post_bd(POST_ARGS);
+static void post_bf(POST_ARGS);
+static void post_bk(POST_ARGS);
+static void post_bl(POST_ARGS);
+static void post_bl_block(POST_ARGS);
+static void post_bl_head(POST_ARGS);
+static void post_bl_norm(POST_ARGS);
+static void post_bx(POST_ARGS);
+static void post_defaults(POST_ARGS);
+static void post_display(POST_ARGS);
+static void post_dd(POST_ARGS);
+static void post_delim(POST_ARGS);
+static void post_delim_nb(POST_ARGS);
+static void post_dt(POST_ARGS);
+static void post_em(POST_ARGS);
+static void post_en(POST_ARGS);
+static void post_er(POST_ARGS);
+static void post_es(POST_ARGS);
+static void post_eoln(POST_ARGS);
+static void post_ex(POST_ARGS);
+static void post_fa(POST_ARGS);
+static void post_fl(POST_ARGS);
+static void post_fn(POST_ARGS);
+static void post_fname(POST_ARGS);
+static void post_fo(POST_ARGS);
+static void post_hyph(POST_ARGS);
+static void post_it(POST_ARGS);
+static void post_lb(POST_ARGS);
+static void post_nd(POST_ARGS);
+static void post_nm(POST_ARGS);
+static void post_ns(POST_ARGS);
+static void post_obsolete(POST_ARGS);
+static void post_os(POST_ARGS);
+static void post_par(POST_ARGS);
+static void post_prevpar(POST_ARGS);
+static void post_root(POST_ARGS);
+static void post_rs(POST_ARGS);
+static void post_rv(POST_ARGS);
+static void post_section(POST_ARGS);
+static void post_sh(POST_ARGS);
+static void post_sh_head(POST_ARGS);
+static void post_sh_name(POST_ARGS);
+static void post_sh_see_also(POST_ARGS);
+static void post_sh_authors(POST_ARGS);
+static void post_sm(POST_ARGS);
+static void post_st(POST_ARGS);
+static void post_std(POST_ARGS);
+static void post_sx(POST_ARGS);
+static void post_tag(POST_ARGS);
+static void post_tg(POST_ARGS);
+static void post_useless(POST_ARGS);
+static void post_xr(POST_ARGS);
+static void post_xx(POST_ARGS);
+
+static const v_post mdoc_valids[MDOC_MAX - MDOC_Dd] = {
+ post_dd, /* Dd */
+ post_dt, /* Dt */
+ post_os, /* Os */
+ post_sh, /* Sh */
+ post_section, /* Ss */
+ post_par, /* Pp */
+ post_display, /* D1 */
+ post_display, /* Dl */
+ post_display, /* Bd */
+ NULL, /* Ed */
+ post_bl, /* Bl */
+ NULL, /* El */
+ post_it, /* It */
+ post_delim_nb, /* Ad */
+ post_an, /* An */
+ NULL, /* Ap */
+ post_defaults, /* Ar */
+ NULL, /* Cd */
+ post_tag, /* Cm */
+ post_tag, /* Dv */
+ post_er, /* Er */
+ post_tag, /* Ev */
+ post_ex, /* Ex */
+ post_fa, /* Fa */
+ NULL, /* Fd */
+ post_fl, /* Fl */
+ post_fn, /* Fn */
+ post_delim_nb, /* Ft */
+ post_tag, /* Ic */
+ post_delim_nb, /* In */
+ post_tag, /* Li */
+ post_nd, /* Nd */
+ post_nm, /* Nm */
+ post_delim_nb, /* Op */
+ post_abort, /* Ot */
+ post_defaults, /* Pa */
+ post_rv, /* Rv */
+ post_st, /* St */
+ post_delim_nb, /* Va */
+ post_delim_nb, /* Vt */
+ post_xr, /* Xr */
+ NULL, /* %A */
+ post_hyph, /* %B */ /* FIXME: can be used outside Rs/Re. */
+ NULL, /* %D */
+ NULL, /* %I */
+ NULL, /* %J */
+ post_hyph, /* %N */
+ post_hyph, /* %O */
+ NULL, /* %P */
+ post_hyph, /* %R */
+ post_hyph, /* %T */ /* FIXME: can be used outside Rs/Re. */
+ NULL, /* %V */
+ NULL, /* Ac */
+ NULL, /* Ao */
+ post_delim_nb, /* Aq */
+ post_at, /* At */
+ NULL, /* Bc */
+ post_bf, /* Bf */
+ NULL, /* Bo */
+ NULL, /* Bq */
+ post_xx, /* Bsx */
+ post_bx, /* Bx */
+ post_obsolete, /* Db */
+ NULL, /* Dc */
+ NULL, /* Do */
+ NULL, /* Dq */
+ NULL, /* Ec */
+ NULL, /* Ef */
+ post_em, /* Em */
+ NULL, /* Eo */
+ post_xx, /* Fx */
+ post_tag, /* Ms */
+ post_tag, /* No */
+ post_ns, /* Ns */
+ post_xx, /* Nx */
+ post_xx, /* Ox */
+ NULL, /* Pc */
+ NULL, /* Pf */
+ NULL, /* Po */
+ post_delim_nb, /* Pq */
+ NULL, /* Qc */
+ post_delim_nb, /* Ql */
+ NULL, /* Qo */
+ post_delim_nb, /* Qq */
+ NULL, /* Re */
+ post_rs, /* Rs */
+ NULL, /* Sc */
+ NULL, /* So */
+ post_delim_nb, /* Sq */
+ post_sm, /* Sm */
+ post_sx, /* Sx */
+ post_em, /* Sy */
+ post_useless, /* Tn */
+ post_xx, /* Ux */
+ NULL, /* Xc */
+ NULL, /* Xo */
+ post_fo, /* Fo */
+ NULL, /* Fc */
+ NULL, /* Oo */
+ NULL, /* Oc */
+ post_bk, /* Bk */
+ NULL, /* Ek */
+ post_eoln, /* Bt */
+ post_obsolete, /* Hf */
+ post_obsolete, /* Fr */
+ post_eoln, /* Ud */
+ post_lb, /* Lb */
+ post_abort, /* Lp */
+ post_delim_nb, /* Lk */
+ post_defaults, /* Mt */
+ post_delim_nb, /* Brq */
+ NULL, /* Bro */
+ NULL, /* Brc */
+ NULL, /* %C */
+ post_es, /* Es */
+ post_en, /* En */
+ post_xx, /* Dx */
+ NULL, /* %Q */
+ NULL, /* %U */
+ NULL, /* Ta */
+ post_tg, /* Tg */
+};
+
+#define RSORD_MAX 14 /* Number of `Rs' blocks. */
+
+static const enum roff_tok rsord[RSORD_MAX] = {
+ MDOC__A,
+ MDOC__T,
+ MDOC__B,
+ MDOC__I,
+ MDOC__J,
+ MDOC__R,
+ MDOC__N,
+ MDOC__V,
+ MDOC__U,
+ MDOC__P,
+ MDOC__Q,
+ MDOC__C,
+ MDOC__D,
+ MDOC__O
+};
+
+static const char * const secnames[SEC__MAX] = {
+ NULL,
+ "NAME",
+ "LIBRARY",
+ "SYNOPSIS",
+ "DESCRIPTION",
+ "CONTEXT",
+ "IMPLEMENTATION NOTES",
+ "RETURN VALUES",
+ "ENVIRONMENT",
+ "FILES",
+ "EXIT STATUS",
+ "EXAMPLES",
+ "DIAGNOSTICS",
+ "COMPATIBILITY",
+ "ERRORS",
+ "SEE ALSO",
+ "STANDARDS",
+ "HISTORY",
+ "AUTHORS",
+ "CAVEATS",
+ "BUGS",
+ "SECURITY CONSIDERATIONS",
+ NULL
+};
+
+static int fn_prio = TAG_STRONG;
+
+
+/* Validate the subtree rooted at mdoc->last. */
+void
+mdoc_validate(struct roff_man *mdoc)
+{
+ struct roff_node *n, *np;
+ const v_post *p;
+
+ /*
+ * Translate obsolete macros to modern macros first
+ * such that later code does not need to look
+ * for the obsolete versions.
+ */
+
+ n = mdoc->last;
+ switch (n->tok) {
+ case MDOC_Lp:
+ n->tok = MDOC_Pp;
+ break;
+ case MDOC_Ot:
+ post_obsolete(mdoc);
+ n->tok = MDOC_Ft;
+ break;
+ default:
+ break;
+ }
+
+ /*
+ * Iterate over all children, recursing into each one
+ * in turn, depth-first.
+ */
+
+ mdoc->last = mdoc->last->child;
+ while (mdoc->last != NULL) {
+ mdoc_validate(mdoc);
+ if (mdoc->last == n)
+ mdoc->last = mdoc->last->child;
+ else
+ mdoc->last = mdoc->last->next;
+ }
+
+ /* Finally validate the macro itself. */
+
+ mdoc->last = n;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ switch (n->type) {
+ case ROFFT_TEXT:
+ np = n->parent;
+ if (n->sec != SEC_SYNOPSIS ||
+ (np->tok != MDOC_Cd && np->tok != MDOC_Fd))
+ check_text(mdoc, n->line, n->pos, n->string);
+ if ((n->flags & NODE_NOFILL) == 0 &&
+ (np->tok != MDOC_It || np->type != ROFFT_HEAD ||
+ np->parent->parent->norm->Bl.type != LIST_diag))
+ check_text_em(mdoc, n->line, n->pos, n->string);
+ if (np->tok == MDOC_It || (np->type == ROFFT_BODY &&
+ (np->tok == MDOC_Sh || np->tok == MDOC_Ss)))
+ check_toptext(mdoc, n->line, n->pos, n->string);
+ break;
+ case ROFFT_COMMENT:
+ case ROFFT_EQN:
+ case ROFFT_TBL:
+ break;
+ case ROFFT_ROOT:
+ post_root(mdoc);
+ break;
+ default:
+ check_args(mdoc, mdoc->last);
+
+ /*
+ * Closing delimiters are not special at the
+ * beginning of a block, opening delimiters
+ * are not special at the end.
+ */
+
+ if (n->child != NULL)
+ n->child->flags &= ~NODE_DELIMC;
+ if (n->last != NULL)
+ n->last->flags &= ~NODE_DELIMO;
+
+ /* Call the macro's postprocessor. */
+
+ if (n->tok < ROFF_MAX) {
+ roff_validate(mdoc);
+ break;
+ }
+
+ assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
+ p = mdoc_valids + (n->tok - MDOC_Dd);
+ if (*p)
+ (*p)(mdoc);
+ if (mdoc->last == n)
+ mdoc_state(mdoc, n);
+ break;
+ }
+}
+
+static void
+check_args(struct roff_man *mdoc, struct roff_node *n)
+{
+ int i;
+
+ if (NULL == n->args)
+ return;
+
+ assert(n->args->argc);
+ for (i = 0; i < (int)n->args->argc; i++)
+ check_argv(mdoc, n, &n->args->argv[i]);
+}
+
+static void
+check_argv(struct roff_man *mdoc, struct roff_node *n, struct mdoc_argv *v)
+{
+ int i;
+
+ for (i = 0; i < (int)v->sz; i++)
+ check_text(mdoc, v->line, v->pos, v->value[i]);
+}
+
+static void
+check_text(struct roff_man *mdoc, int ln, int pos, char *p)
+{
+ char *cp;
+
+ if (mdoc->last->flags & NODE_NOFILL)
+ return;
+
+ for (cp = p; NULL != (p = strchr(p, '\t')); p++)
+ mandoc_msg(MANDOCERR_FI_TAB, ln, pos + (int)(p - cp), NULL);
+}
+
+static void
+check_text_em(struct roff_man *mdoc, int ln, int pos, char *p)
+{
+ const struct roff_node *np, *nn;
+ char *cp;
+
+ np = mdoc->last->prev;
+ nn = mdoc->last->next;
+
+ /* Look for em-dashes wrongly encoded as "--". */
+
+ for (cp = p; *cp != '\0'; cp++) {
+ if (cp[0] != '-' || cp[1] != '-')
+ continue;
+ cp++;
+
+ /* Skip input sequences of more than two '-'. */
+
+ if (cp[1] == '-') {
+ while (cp[1] == '-')
+ cp++;
+ continue;
+ }
+
+ /* Skip "--" directly attached to something else. */
+
+ if ((cp - p > 1 && cp[-2] != ' ') ||
+ (cp[1] != '\0' && cp[1] != ' '))
+ continue;
+
+ /* Require a letter right before or right afterwards. */
+
+ if ((cp - p > 2 ?
+ isalpha((unsigned char)cp[-3]) :
+ np != NULL &&
+ np->type == ROFFT_TEXT &&
+ *np->string != '\0' &&
+ isalpha((unsigned char)np->string[
+ strlen(np->string) - 1])) ||
+ (cp[1] != '\0' && cp[2] != '\0' ?
+ isalpha((unsigned char)cp[2]) :
+ nn != NULL &&
+ nn->type == ROFFT_TEXT &&
+ isalpha((unsigned char)*nn->string))) {
+ mandoc_msg(MANDOCERR_DASHDASH,
+ ln, pos + (int)(cp - p) - 1, NULL);
+ break;
+ }
+ }
+}
+
+static void
+check_toptext(struct roff_man *mdoc, int ln, int pos, const char *p)
+{
+ const char *cp, *cpr;
+
+ if (*p == '\0')
+ return;
+
+ if ((cp = strstr(p, "OpenBSD")) != NULL)
+ mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Ox");
+ if ((cp = strstr(p, "NetBSD")) != NULL)
+ mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Nx");
+ if ((cp = strstr(p, "FreeBSD")) != NULL)
+ mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Fx");
+ if ((cp = strstr(p, "DragonFly")) != NULL)
+ mandoc_msg(MANDOCERR_BX, ln, pos + (int)(cp - p), "Dx");
+
+ cp = p;
+ while ((cp = strstr(cp + 1, "()")) != NULL) {
+ for (cpr = cp - 1; cpr >= p; cpr--)
+ if (*cpr != '_' && !isalnum((unsigned char)*cpr))
+ break;
+ if ((cpr < p || *cpr == ' ') && cpr + 1 < cp) {
+ cpr++;
+ mandoc_msg(MANDOCERR_FUNC, ln, pos + (int)(cpr - p),
+ "%.*s()", (int)(cp - cpr), cpr);
+ }
+ }
+}
+
+static void
+post_abort(POST_ARGS)
+{
+ abort();
+}
+
+static void
+post_delim(POST_ARGS)
+{
+ const struct roff_node *nch;
+ const char *lc;
+ enum mdelim delim;
+ enum roff_tok tok;
+
+ tok = mdoc->last->tok;
+ nch = mdoc->last->last;
+ if (nch == NULL || nch->type != ROFFT_TEXT)
+ return;
+ lc = strchr(nch->string, '\0') - 1;
+ if (lc < nch->string)
+ return;
+ delim = mdoc_isdelim(lc);
+ if (delim == DELIM_NONE || delim == DELIM_OPEN)
+ return;
+ if (*lc == ')' && (tok == MDOC_Nd || tok == MDOC_Sh ||
+ tok == MDOC_Ss || tok == MDOC_Fo))
+ return;
+
+ mandoc_msg(MANDOCERR_DELIM, nch->line,
+ nch->pos + (int)(lc - nch->string), "%s%s %s", roff_name[tok],
+ nch == mdoc->last->child ? "" : " ...", nch->string);
+}
+
+static void
+post_delim_nb(POST_ARGS)
+{
+ const struct roff_node *nch;
+ const char *lc, *cp;
+ int nw;
+ enum mdelim delim;
+ enum roff_tok tok;
+
+ /*
+ * Find candidates: at least two bytes,
+ * the last one a closing or middle delimiter.
+ */
+
+ tok = mdoc->last->tok;
+ nch = mdoc->last->last;
+ if (nch == NULL || nch->type != ROFFT_TEXT)
+ return;
+ lc = strchr(nch->string, '\0') - 1;
+ if (lc <= nch->string)
+ return;
+ delim = mdoc_isdelim(lc);
+ if (delim == DELIM_NONE || delim == DELIM_OPEN)
+ return;
+
+ /*
+ * Reduce false positives by allowing various cases.
+ */
+
+ /* Escaped delimiters. */
+ if (lc > nch->string + 1 && lc[-2] == '\\' &&
+ (lc[-1] == '&' || lc[-1] == 'e'))
+ return;
+
+ /* Specific byte sequences. */
+ switch (*lc) {
+ case ')':
+ for (cp = lc; cp >= nch->string; cp--)
+ if (*cp == '(')
+ return;
+ break;
+ case '.':
+ if (lc > nch->string + 1 && lc[-2] == '.' && lc[-1] == '.')
+ return;
+ if (lc[-1] == '.')
+ return;
+ break;
+ case ';':
+ if (tok == MDOC_Vt)
+ return;
+ break;
+ case '?':
+ if (lc[-1] == '?')
+ return;
+ break;
+ case ']':
+ for (cp = lc; cp >= nch->string; cp--)
+ if (*cp == '[')
+ return;
+ break;
+ case '|':
+ if (lc == nch->string + 1 && lc[-1] == '|')
+ return;
+ default:
+ break;
+ }
+
+ /* Exactly two non-alphanumeric bytes. */
+ if (lc == nch->string + 1 && !isalnum((unsigned char)lc[-1]))
+ return;
+
+ /* At least three alphabetic words with a sentence ending. */
+ if (strchr("!.:?", *lc) != NULL && (tok == MDOC_Em ||
+ tok == MDOC_Li || tok == MDOC_Pq || tok == MDOC_Sy)) {
+ nw = 0;
+ for (cp = lc - 1; cp >= nch->string; cp--) {
+ if (*cp == ' ') {
+ nw++;
+ if (cp > nch->string && cp[-1] == ',')
+ cp--;
+ } else if (isalpha((unsigned int)*cp)) {
+ if (nw > 1)
+ return;
+ } else
+ break;
+ }
+ }
+
+ mandoc_msg(MANDOCERR_DELIM_NB, nch->line,
+ nch->pos + (int)(lc - nch->string), "%s%s %s", roff_name[tok],
+ nch == mdoc->last->child ? "" : " ...", nch->string);
+}
+
+static void
+post_bl_norm(POST_ARGS)
+{
+ struct roff_node *n;
+ struct mdoc_argv *argv, *wa;
+ int i;
+ enum mdocargt mdoclt;
+ enum mdoc_list lt;
+
+ n = mdoc->last->parent;
+ n->norm->Bl.type = LIST__NONE;
+
+ /*
+ * First figure out which kind of list to use: bind ourselves to
+ * the first mentioned list type and warn about any remaining
+ * ones. If we find no list type, we default to LIST_item.
+ */
+
+ wa = (n->args == NULL) ? NULL : n->args->argv;
+ mdoclt = MDOC_ARG_MAX;
+ for (i = 0; n->args && i < (int)n->args->argc; i++) {
+ argv = n->args->argv + i;
+ lt = LIST__NONE;
+ switch (argv->arg) {
+ /* Set list types. */
+ case MDOC_Bullet:
+ lt = LIST_bullet;
+ break;
+ case MDOC_Dash:
+ lt = LIST_dash;
+ break;
+ case MDOC_Enum:
+ lt = LIST_enum;
+ break;
+ case MDOC_Hyphen:
+ lt = LIST_hyphen;
+ break;
+ case MDOC_Item:
+ lt = LIST_item;
+ break;
+ case MDOC_Tag:
+ lt = LIST_tag;
+ break;
+ case MDOC_Diag:
+ lt = LIST_diag;
+ break;
+ case MDOC_Hang:
+ lt = LIST_hang;
+ break;
+ case MDOC_Ohang:
+ lt = LIST_ohang;
+ break;
+ case MDOC_Inset:
+ lt = LIST_inset;
+ break;
+ case MDOC_Column:
+ lt = LIST_column;
+ break;
+ /* Set list arguments. */
+ case MDOC_Compact:
+ if (n->norm->Bl.comp)
+ mandoc_msg(MANDOCERR_ARG_REP,
+ argv->line, argv->pos, "Bl -compact");
+ n->norm->Bl.comp = 1;
+ break;
+ case MDOC_Width:
+ wa = argv;
+ if (0 == argv->sz) {
+ mandoc_msg(MANDOCERR_ARG_EMPTY,
+ argv->line, argv->pos, "Bl -width");
+ n->norm->Bl.width = "0n";
+ break;
+ }
+ if (NULL != n->norm->Bl.width)
+ mandoc_msg(MANDOCERR_ARG_REP,
+ argv->line, argv->pos,
+ "Bl -width %s", argv->value[0]);
+ rewrite_macro2len(mdoc, argv->value);
+ n->norm->Bl.width = argv->value[0];
+ break;
+ case MDOC_Offset:
+ if (0 == argv->sz) {
+ mandoc_msg(MANDOCERR_ARG_EMPTY,
+ argv->line, argv->pos, "Bl -offset");
+ break;
+ }
+ if (NULL != n->norm->Bl.offs)
+ mandoc_msg(MANDOCERR_ARG_REP,
+ argv->line, argv->pos,
+ "Bl -offset %s", argv->value[0]);
+ rewrite_macro2len(mdoc, argv->value);
+ n->norm->Bl.offs = argv->value[0];
+ break;
+ default:
+ continue;
+ }
+ if (LIST__NONE == lt)
+ continue;
+ mdoclt = argv->arg;
+
+ /* Check: multiple list types. */
+
+ if (LIST__NONE != n->norm->Bl.type) {
+ mandoc_msg(MANDOCERR_BL_REP, n->line, n->pos,
+ "Bl -%s", mdoc_argnames[argv->arg]);
+ continue;
+ }
+
+ /* The list type should come first. */
+
+ if (n->norm->Bl.width ||
+ n->norm->Bl.offs ||
+ n->norm->Bl.comp)
+ mandoc_msg(MANDOCERR_BL_LATETYPE,
+ n->line, n->pos, "Bl -%s",
+ mdoc_argnames[n->args->argv[0].arg]);
+
+ n->norm->Bl.type = lt;
+ if (LIST_column == lt) {
+ n->norm->Bl.ncols = argv->sz;
+ n->norm->Bl.cols = (void *)argv->value;
+ }
+ }
+
+ /* Allow lists to default to LIST_item. */
+
+ if (LIST__NONE == n->norm->Bl.type) {
+ mandoc_msg(MANDOCERR_BL_NOTYPE, n->line, n->pos, "Bl");
+ n->norm->Bl.type = LIST_item;
+ mdoclt = MDOC_Item;
+ }
+
+ /*
+ * Validate the width field. Some list types don't need width
+ * types and should be warned about them. Others should have it
+ * and must also be warned. Yet others have a default and need
+ * no warning.
+ */
+
+ switch (n->norm->Bl.type) {
+ case LIST_tag:
+ if (n->norm->Bl.width == NULL)
+ mandoc_msg(MANDOCERR_BL_NOWIDTH,
+ n->line, n->pos, "Bl -tag");
+ break;
+ case LIST_column:
+ case LIST_diag:
+ case LIST_ohang:
+ case LIST_inset:
+ case LIST_item:
+ if (n->norm->Bl.width != NULL)
+ mandoc_msg(MANDOCERR_BL_SKIPW, wa->line, wa->pos,
+ "Bl -%s", mdoc_argnames[mdoclt]);
+ n->norm->Bl.width = NULL;
+ break;
+ case LIST_bullet:
+ case LIST_dash:
+ case LIST_hyphen:
+ if (n->norm->Bl.width == NULL)
+ n->norm->Bl.width = "2n";
+ break;
+ case LIST_enum:
+ if (n->norm->Bl.width == NULL)
+ n->norm->Bl.width = "3n";
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+post_bd(POST_ARGS)
+{
+ struct roff_node *n;
+ struct mdoc_argv *argv;
+ int i;
+ enum mdoc_disp dt;
+
+ n = mdoc->last;
+ for (i = 0; n->args && i < (int)n->args->argc; i++) {
+ argv = n->args->argv + i;
+ dt = DISP__NONE;
+
+ switch (argv->arg) {
+ case MDOC_Centred:
+ dt = DISP_centered;
+ break;
+ case MDOC_Ragged:
+ dt = DISP_ragged;
+ break;
+ case MDOC_Unfilled:
+ dt = DISP_unfilled;
+ break;
+ case MDOC_Filled:
+ dt = DISP_filled;
+ break;
+ case MDOC_Literal:
+ dt = DISP_literal;
+ break;
+ case MDOC_File:
+ mandoc_msg(MANDOCERR_BD_FILE, n->line, n->pos, NULL);
+ break;
+ case MDOC_Offset:
+ if (0 == argv->sz) {
+ mandoc_msg(MANDOCERR_ARG_EMPTY,
+ argv->line, argv->pos, "Bd -offset");
+ break;
+ }
+ if (NULL != n->norm->Bd.offs)
+ mandoc_msg(MANDOCERR_ARG_REP,
+ argv->line, argv->pos,
+ "Bd -offset %s", argv->value[0]);
+ rewrite_macro2len(mdoc, argv->value);
+ n->norm->Bd.offs = argv->value[0];
+ break;
+ case MDOC_Compact:
+ if (n->norm->Bd.comp)
+ mandoc_msg(MANDOCERR_ARG_REP,
+ argv->line, argv->pos, "Bd -compact");
+ n->norm->Bd.comp = 1;
+ break;
+ default:
+ abort();
+ }
+ if (DISP__NONE == dt)
+ continue;
+
+ if (DISP__NONE == n->norm->Bd.type)
+ n->norm->Bd.type = dt;
+ else
+ mandoc_msg(MANDOCERR_BD_REP, n->line, n->pos,
+ "Bd -%s", mdoc_argnames[argv->arg]);
+ }
+
+ if (DISP__NONE == n->norm->Bd.type) {
+ mandoc_msg(MANDOCERR_BD_NOTYPE, n->line, n->pos, "Bd");
+ n->norm->Bd.type = DISP_ragged;
+ }
+}
+
+/*
+ * Stand-alone line macros.
+ */
+
+static void
+post_an_norm(POST_ARGS)
+{
+ struct roff_node *n;
+ struct mdoc_argv *argv;
+ size_t i;
+
+ n = mdoc->last;
+ if (n->args == NULL)
+ return;
+
+ for (i = 1; i < n->args->argc; i++) {
+ argv = n->args->argv + i;
+ mandoc_msg(MANDOCERR_AN_REP, argv->line, argv->pos,
+ "An -%s", mdoc_argnames[argv->arg]);
+ }
+
+ argv = n->args->argv;
+ if (argv->arg == MDOC_Split)
+ n->norm->An.auth = AUTH_split;
+ else if (argv->arg == MDOC_Nosplit)
+ n->norm->An.auth = AUTH_nosplit;
+ else
+ abort();
+}
+
+static void
+post_eoln(POST_ARGS)
+{
+ struct roff_node *n;
+
+ post_useless(mdoc);
+ n = mdoc->last;
+ if (n->child != NULL)
+ mandoc_msg(MANDOCERR_ARG_SKIP, n->line,
+ n->pos, "%s %s", roff_name[n->tok], n->child->string);
+
+ while (n->child != NULL)
+ roff_node_delete(mdoc, n->child);
+
+ roff_word_alloc(mdoc, n->line, n->pos, n->tok == MDOC_Bt ?
+ "is currently in beta test." : "currently under development.");
+ mdoc->last->flags |= NODE_EOS | NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static int
+build_list(struct roff_man *mdoc, int tok)
+{
+ struct roff_node *n;
+ int ic;
+
+ n = mdoc->last->next;
+ for (ic = 1;; ic++) {
+ roff_elem_alloc(mdoc, n->line, n->pos, tok);
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_node_relink(mdoc, n);
+ n = mdoc->last = mdoc->last->parent;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ if (n->next == NULL)
+ return ic;
+ if (ic > 1 || n->next->next != NULL) {
+ roff_word_alloc(mdoc, n->line, n->pos, ",");
+ mdoc->last->flags |= NODE_DELIMC | NODE_NOSRC;
+ }
+ n = mdoc->last->next;
+ if (n->next == NULL) {
+ roff_word_alloc(mdoc, n->line, n->pos, "and");
+ mdoc->last->flags |= NODE_NOSRC;
+ }
+ }
+}
+
+static void
+post_ex(POST_ARGS)
+{
+ struct roff_node *n;
+ int ic;
+
+ post_std(mdoc);
+
+ n = mdoc->last;
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, n->line, n->pos, "The");
+ mdoc->last->flags |= NODE_NOSRC;
+
+ if (mdoc->last->next != NULL)
+ ic = build_list(mdoc, MDOC_Nm);
+ else if (mdoc->meta.name != NULL) {
+ roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Nm);
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = mdoc->last->parent;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ ic = 1;
+ } else {
+ mandoc_msg(MANDOCERR_EX_NONAME, n->line, n->pos, "Ex");
+ ic = 0;
+ }
+
+ roff_word_alloc(mdoc, n->line, n->pos,
+ ic > 1 ? "utilities exit\\~0" : "utility exits\\~0");
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_word_alloc(mdoc, n->line, n->pos,
+ "on success, and\\~>0 if an error occurs.");
+ mdoc->last->flags |= NODE_EOS | NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_lb(POST_ARGS)
+{
+ struct roff_node *n;
+
+ post_delim_nb(mdoc);
+
+ n = mdoc->last;
+ assert(n->child->type == ROFFT_TEXT);
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, n->line, n->pos, "library");
+ mdoc->last->flags = NODE_NOSRC;
+ roff_word_alloc(mdoc, n->line, n->pos, "\\(lq");
+ mdoc->last->flags = NODE_DELIMO | NODE_NOSRC;
+ mdoc->last = mdoc->last->next;
+ roff_word_alloc(mdoc, n->line, n->pos, "\\(rq");
+ mdoc->last->flags = NODE_DELIMC | NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_rv(POST_ARGS)
+{
+ struct roff_node *n;
+ int ic;
+
+ post_std(mdoc);
+
+ n = mdoc->last;
+ mdoc->next = ROFF_NEXT_CHILD;
+ if (n->child != NULL) {
+ roff_word_alloc(mdoc, n->line, n->pos, "The");
+ mdoc->last->flags |= NODE_NOSRC;
+ ic = build_list(mdoc, MDOC_Fn);
+ roff_word_alloc(mdoc, n->line, n->pos,
+ ic > 1 ? "functions return" : "function returns");
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_word_alloc(mdoc, n->line, n->pos,
+ "the value\\~0 if successful;");
+ } else
+ roff_word_alloc(mdoc, n->line, n->pos, "Upon successful "
+ "completion, the value\\~0 is returned;");
+ mdoc->last->flags |= NODE_NOSRC;
+
+ roff_word_alloc(mdoc, n->line, n->pos, "otherwise "
+ "the value\\~\\-1 is returned and the global variable");
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Va);
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_word_alloc(mdoc, n->line, n->pos, "errno");
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = mdoc->last->parent;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ roff_word_alloc(mdoc, n->line, n->pos,
+ "is set to indicate the error.");
+ mdoc->last->flags |= NODE_EOS | NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_std(POST_ARGS)
+{
+ struct roff_node *n;
+
+ post_delim(mdoc);
+
+ n = mdoc->last;
+ if (n->args && n->args->argc == 1)
+ if (n->args->argv[0].arg == MDOC_Std)
+ return;
+
+ mandoc_msg(MANDOCERR_ARG_STD, n->line, n->pos,
+ "%s", roff_name[n->tok]);
+}
+
+static void
+post_st(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+ const char *p;
+
+ n = mdoc->last;
+ nch = n->child;
+ assert(nch->type == ROFFT_TEXT);
+
+ if ((p = mdoc_a2st(nch->string)) == NULL) {
+ mandoc_msg(MANDOCERR_ST_BAD,
+ nch->line, nch->pos, "St %s", nch->string);
+ roff_node_delete(mdoc, n);
+ return;
+ }
+
+ nch->flags |= NODE_NOPRT;
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, nch->line, nch->pos, p);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last= n;
+}
+
+static void
+post_tg(POST_ARGS)
+{
+ struct roff_node *n; /* The .Tg node. */
+ struct roff_node *nch; /* The first child of the .Tg node. */
+ struct roff_node *nn; /* The next node after the .Tg node. */
+ struct roff_node *np; /* The parent of the next node. */
+ struct roff_node *nt; /* The TEXT node containing the tag. */
+ size_t len; /* The number of bytes in the tag. */
+
+ /* Find the next node. */
+ n = mdoc->last;
+ for (nn = n; nn != NULL; nn = nn->parent) {
+ if (nn->next != NULL) {
+ nn = nn->next;
+ break;
+ }
+ }
+
+ /* Find the tag. */
+ nt = nch = n->child;
+ if (nch == NULL && nn != NULL && nn->child != NULL &&
+ nn->child->type == ROFFT_TEXT)
+ nt = nn->child;
+
+ /* Validate the tag. */
+ if (nt == NULL || *nt->string == '\0')
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, n->line, n->pos, "Tg");
+ if (nt == NULL) {
+ roff_node_delete(mdoc, n);
+ return;
+ }
+ len = strcspn(nt->string, " \t\\");
+ if (nt->string[len] != '\0')
+ mandoc_msg(MANDOCERR_TG_SPC, nt->line,
+ nt->pos + len, "Tg %s", nt->string);
+
+ /* Keep only the first argument. */
+ if (nch != NULL && nch->next != NULL) {
+ mandoc_msg(MANDOCERR_ARG_EXCESS, nch->next->line,
+ nch->next->pos, "Tg ... %s", nch->next->string);
+ while (nch->next != NULL)
+ roff_node_delete(mdoc, nch->next);
+ }
+
+ /* Drop the macro if the first argument is invalid. */
+ if (len == 0 || nt->string[len] != '\0') {
+ roff_node_delete(mdoc, n);
+ return;
+ }
+
+ /* By default, tag the .Tg node itself. */
+ if (nn == NULL || nn->flags & NODE_ID)
+ nn = n;
+
+ /* Explicit tagging of specific macros. */
+ switch (nn->tok) {
+ case MDOC_Sh:
+ case MDOC_Ss:
+ case MDOC_Fo:
+ nn = nn->head->child == NULL ? n : nn->head;
+ break;
+ case MDOC_It:
+ np = nn->parent;
+ while (np->tok != MDOC_Bl)
+ np = np->parent;
+ switch (np->norm->Bl.type) {
+ case LIST_column:
+ break;
+ case LIST_diag:
+ case LIST_hang:
+ case LIST_inset:
+ case LIST_ohang:
+ case LIST_tag:
+ nn = nn->head;
+ break;
+ case LIST_bullet:
+ case LIST_dash:
+ case LIST_enum:
+ case LIST_hyphen:
+ case LIST_item:
+ nn = nn->body->child == NULL ? n : nn->body;
+ break;
+ default:
+ abort();
+ }
+ break;
+ case MDOC_Bd:
+ case MDOC_Bl:
+ case MDOC_D1:
+ case MDOC_Dl:
+ nn = nn->body->child == NULL ? n : nn->body;
+ break;
+ case MDOC_Pp:
+ break;
+ case MDOC_Cm:
+ case MDOC_Dv:
+ case MDOC_Em:
+ case MDOC_Er:
+ case MDOC_Ev:
+ case MDOC_Fl:
+ case MDOC_Fn:
+ case MDOC_Ic:
+ case MDOC_Li:
+ case MDOC_Ms:
+ case MDOC_No:
+ case MDOC_Sy:
+ if (nn->child == NULL)
+ nn = n;
+ break;
+ default:
+ nn = n;
+ break;
+ }
+ tag_put(nt->string, TAG_MANUAL, nn);
+ if (nn != n)
+ n->flags |= NODE_NOPRT;
+}
+
+static void
+post_obsolete(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ if (n->type == ROFFT_ELEM || n->type == ROFFT_BLOCK)
+ mandoc_msg(MANDOCERR_MACRO_OBS, n->line, n->pos,
+ "%s", roff_name[n->tok]);
+}
+
+static void
+post_useless(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ mandoc_msg(MANDOCERR_MACRO_USELESS, n->line, n->pos,
+ "%s", roff_name[n->tok]);
+}
+
+/*
+ * Block macros.
+ */
+
+static void
+post_bf(POST_ARGS)
+{
+ struct roff_node *np, *nch;
+
+ /*
+ * Unlike other data pointers, these are "housed" by the HEAD
+ * element, which contains the goods.
+ */
+
+ np = mdoc->last;
+ if (np->type != ROFFT_HEAD)
+ return;
+
+ assert(np->parent->type == ROFFT_BLOCK);
+ assert(np->parent->tok == MDOC_Bf);
+
+ /* Check the number of arguments. */
+
+ nch = np->child;
+ if (np->parent->args == NULL) {
+ if (nch == NULL) {
+ mandoc_msg(MANDOCERR_BF_NOFONT,
+ np->line, np->pos, "Bf");
+ return;
+ }
+ nch = nch->next;
+ }
+ if (nch != NULL)
+ mandoc_msg(MANDOCERR_ARG_EXCESS,
+ nch->line, nch->pos, "Bf ... %s", nch->string);
+
+ /* Extract argument into data. */
+
+ if (np->parent->args != NULL) {
+ switch (np->parent->args->argv[0].arg) {
+ case MDOC_Emphasis:
+ np->norm->Bf.font = FONT_Em;
+ break;
+ case MDOC_Literal:
+ np->norm->Bf.font = FONT_Li;
+ break;
+ case MDOC_Symbolic:
+ np->norm->Bf.font = FONT_Sy;
+ break;
+ default:
+ abort();
+ }
+ return;
+ }
+
+ /* Extract parameter into data. */
+
+ if ( ! strcmp(np->child->string, "Em"))
+ np->norm->Bf.font = FONT_Em;
+ else if ( ! strcmp(np->child->string, "Li"))
+ np->norm->Bf.font = FONT_Li;
+ else if ( ! strcmp(np->child->string, "Sy"))
+ np->norm->Bf.font = FONT_Sy;
+ else
+ mandoc_msg(MANDOCERR_BF_BADFONT, np->child->line,
+ np->child->pos, "Bf %s", np->child->string);
+}
+
+static void
+post_fname(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+ const char *cp;
+ size_t pos;
+
+ n = mdoc->last;
+ nch = n->child;
+ cp = nch->string;
+ if (*cp == '(') {
+ if (cp[strlen(cp + 1)] == ')')
+ return;
+ pos = 0;
+ } else {
+ pos = strcspn(cp, "()");
+ if (cp[pos] == '\0') {
+ if (n->sec == SEC_DESCRIPTION ||
+ n->sec == SEC_CUSTOM)
+ tag_put(NULL, fn_prio++, n);
+ return;
+ }
+ }
+ mandoc_msg(MANDOCERR_FN_PAREN, nch->line, nch->pos + pos, "%s", cp);
+}
+
+static void
+post_fn(POST_ARGS)
+{
+ post_fname(mdoc);
+ post_fa(mdoc);
+}
+
+static void
+post_fo(POST_ARGS)
+{
+ const struct roff_node *n;
+
+ n = mdoc->last;
+
+ if (n->type != ROFFT_HEAD)
+ return;
+
+ if (n->child == NULL) {
+ mandoc_msg(MANDOCERR_FO_NOHEAD, n->line, n->pos, "Fo");
+ return;
+ }
+ if (n->child != n->last) {
+ mandoc_msg(MANDOCERR_ARG_EXCESS,
+ n->child->next->line, n->child->next->pos,
+ "Fo ... %s", n->child->next->string);
+ while (n->child != n->last)
+ roff_node_delete(mdoc, n->last);
+ } else
+ post_delim(mdoc);
+
+ post_fname(mdoc);
+}
+
+static void
+post_fa(POST_ARGS)
+{
+ const struct roff_node *n;
+ const char *cp;
+
+ for (n = mdoc->last->child; n != NULL; n = n->next) {
+ for (cp = n->string; *cp != '\0'; cp++) {
+ /* Ignore callbacks and alterations. */
+ if (*cp == '(' || *cp == '{')
+ break;
+ if (*cp != ',')
+ continue;
+ mandoc_msg(MANDOCERR_FA_COMMA, n->line,
+ n->pos + (int)(cp - n->string), "%s", n->string);
+ break;
+ }
+ }
+ post_delim_nb(mdoc);
+}
+
+static void
+post_nm(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+
+ if (n->sec == SEC_NAME && n->child != NULL &&
+ n->child->type == ROFFT_TEXT && mdoc->meta.msec != NULL)
+ mandoc_xr_add(mdoc->meta.msec, n->child->string, -1, -1);
+
+ if (n->last != NULL && n->last->tok == MDOC_Pp)
+ roff_node_relink(mdoc, n->last);
+
+ if (mdoc->meta.name == NULL)
+ deroff(&mdoc->meta.name, n);
+
+ if (mdoc->meta.name == NULL ||
+ (mdoc->lastsec == SEC_NAME && n->child == NULL))
+ mandoc_msg(MANDOCERR_NM_NONAME, n->line, n->pos, "Nm");
+
+ switch (n->type) {
+ case ROFFT_ELEM:
+ post_delim_nb(mdoc);
+ break;
+ case ROFFT_HEAD:
+ post_delim(mdoc);
+ break;
+ default:
+ return;
+ }
+
+ if ((n->child != NULL && n->child->type == ROFFT_TEXT) ||
+ mdoc->meta.name == NULL)
+ return;
+
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, n->line, n->pos, mdoc->meta.name);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_nd(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+
+ if (n->type != ROFFT_BODY)
+ return;
+
+ if (n->sec != SEC_NAME)
+ mandoc_msg(MANDOCERR_ND_LATE, n->line, n->pos, "Nd");
+
+ if (n->child == NULL)
+ mandoc_msg(MANDOCERR_ND_EMPTY, n->line, n->pos, "Nd");
+ else
+ post_delim(mdoc);
+
+ post_hyph(mdoc);
+}
+
+static void
+post_display(POST_ARGS)
+{
+ struct roff_node *n, *np;
+
+ n = mdoc->last;
+ switch (n->type) {
+ case ROFFT_BODY:
+ if (n->end != ENDBODY_NOT) {
+ if (n->tok == MDOC_Bd &&
+ n->body->parent->args == NULL)
+ roff_node_delete(mdoc, n);
+ } else if (n->child == NULL)
+ mandoc_msg(MANDOCERR_BLK_EMPTY, n->line, n->pos,
+ "%s", roff_name[n->tok]);
+ else if (n->tok == MDOC_D1)
+ post_hyph(mdoc);
+ break;
+ case ROFFT_BLOCK:
+ if (n->tok == MDOC_Bd) {
+ if (n->args == NULL) {
+ mandoc_msg(MANDOCERR_BD_NOARG,
+ n->line, n->pos, "Bd");
+ mdoc->next = ROFF_NEXT_SIBLING;
+ while (n->body->child != NULL)
+ roff_node_relink(mdoc,
+ n->body->child);
+ roff_node_delete(mdoc, n);
+ break;
+ }
+ post_bd(mdoc);
+ post_prevpar(mdoc);
+ }
+ for (np = n->parent; np != NULL; np = np->parent) {
+ if (np->type == ROFFT_BLOCK && np->tok == MDOC_Bd) {
+ mandoc_msg(MANDOCERR_BD_NEST, n->line,
+ n->pos, "%s in Bd", roff_name[n->tok]);
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+post_defaults(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ if (n->child != NULL) {
+ post_delim_nb(mdoc);
+ return;
+ }
+ mdoc->next = ROFF_NEXT_CHILD;
+ switch (n->tok) {
+ case MDOC_Ar:
+ roff_word_alloc(mdoc, n->line, n->pos, "file");
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_word_alloc(mdoc, n->line, n->pos, "...");
+ break;
+ case MDOC_Pa:
+ case MDOC_Mt:
+ roff_word_alloc(mdoc, n->line, n->pos, "~");
+ break;
+ default:
+ abort();
+ }
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_at(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+ const char *att;
+
+ n = mdoc->last;
+ nch = n->child;
+
+ /*
+ * If we have a child, look it up in the standard keys. If a
+ * key exist, use that instead of the child; if it doesn't,
+ * prefix "AT&T UNIX " to the existing data.
+ */
+
+ att = NULL;
+ if (nch != NULL && ((att = mdoc_a2att(nch->string)) == NULL))
+ mandoc_msg(MANDOCERR_AT_BAD,
+ nch->line, nch->pos, "At %s", nch->string);
+
+ mdoc->next = ROFF_NEXT_CHILD;
+ if (att != NULL) {
+ roff_word_alloc(mdoc, nch->line, nch->pos, att);
+ nch->flags |= NODE_NOPRT;
+ } else
+ roff_word_alloc(mdoc, n->line, n->pos, "AT&T UNIX");
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_an(POST_ARGS)
+{
+ struct roff_node *np, *nch;
+
+ post_an_norm(mdoc);
+
+ np = mdoc->last;
+ nch = np->child;
+ if (np->norm->An.auth == AUTH__NONE) {
+ if (nch == NULL)
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ np->line, np->pos, "An");
+ else
+ post_delim_nb(mdoc);
+ } else if (nch != NULL)
+ mandoc_msg(MANDOCERR_ARG_EXCESS,
+ nch->line, nch->pos, "An ... %s", nch->string);
+}
+
+static void
+post_em(POST_ARGS)
+{
+ post_tag(mdoc);
+ tag_put(NULL, TAG_FALLBACK, mdoc->last);
+}
+
+static void
+post_en(POST_ARGS)
+{
+ post_obsolete(mdoc);
+ if (mdoc->last->type == ROFFT_BLOCK)
+ mdoc->last->norm->Es = mdoc->last_es;
+}
+
+static void
+post_er(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ if (n->sec == SEC_ERRORS &&
+ (n->parent->tok == MDOC_It ||
+ (n->parent->tok == MDOC_Bq &&
+ n->parent->parent->parent->tok == MDOC_It)))
+ tag_put(NULL, TAG_STRONG, n);
+ post_delim_nb(mdoc);
+}
+
+static void
+post_tag(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ if ((n->prev == NULL ||
+ (n->prev->type == ROFFT_TEXT &&
+ strcmp(n->prev->string, "|") == 0)) &&
+ (n->parent->tok == MDOC_It ||
+ (n->parent->tok == MDOC_Xo &&
+ n->parent->parent->prev == NULL &&
+ n->parent->parent->parent->tok == MDOC_It)))
+ tag_put(NULL, TAG_STRONG, n);
+ post_delim_nb(mdoc);
+}
+
+static void
+post_es(POST_ARGS)
+{
+ post_obsolete(mdoc);
+ mdoc->last_es = mdoc->last;
+}
+
+static void
+post_fl(POST_ARGS)
+{
+ struct roff_node *n;
+ char *cp;
+
+ /*
+ * Transform ".Fl Fl long" to ".Fl \-long",
+ * resulting for example in better HTML output.
+ */
+
+ n = mdoc->last;
+ if (n->prev != NULL && n->prev->tok == MDOC_Fl &&
+ n->prev->child == NULL && n->child != NULL &&
+ (n->flags & NODE_LINE) == 0) {
+ mandoc_asprintf(&cp, "\\-%s", n->child->string);
+ free(n->child->string);
+ n->child->string = cp;
+ roff_node_delete(mdoc, n->prev);
+ }
+ post_tag(mdoc);
+}
+
+static void
+post_xx(POST_ARGS)
+{
+ struct roff_node *n;
+ const char *os;
+ char *v;
+
+ post_delim_nb(mdoc);
+
+ n = mdoc->last;
+ switch (n->tok) {
+ case MDOC_Bsx:
+ os = "BSD/OS";
+ break;
+ case MDOC_Dx:
+ os = "DragonFly";
+ break;
+ case MDOC_Fx:
+ os = "FreeBSD";
+ break;
+ case MDOC_Nx:
+ os = "NetBSD";
+ if (n->child == NULL)
+ break;
+ v = n->child->string;
+ if ((v[0] != '0' && v[0] != '1') || v[1] != '.' ||
+ v[2] < '0' || v[2] > '9' ||
+ v[3] < 'a' || v[3] > 'z' || v[4] != '\0')
+ break;
+ n->child->flags |= NODE_NOPRT;
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, n->child->line, n->child->pos, v);
+ v = mdoc->last->string;
+ v[3] = toupper((unsigned char)v[3]);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = n;
+ break;
+ case MDOC_Ox:
+ os = "OpenBSD";
+ break;
+ case MDOC_Ux:
+ os = "UNIX";
+ break;
+ default:
+ abort();
+ }
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, n->line, n->pos, os);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = n;
+}
+
+static void
+post_it(POST_ARGS)
+{
+ struct roff_node *nbl, *nit, *nch;
+ int i, cols;
+ enum mdoc_list lt;
+
+ post_prevpar(mdoc);
+
+ nit = mdoc->last;
+ if (nit->type != ROFFT_BLOCK)
+ return;
+
+ nbl = nit->parent->parent;
+ lt = nbl->norm->Bl.type;
+
+ switch (lt) {
+ case LIST_tag:
+ case LIST_hang:
+ case LIST_ohang:
+ case LIST_inset:
+ case LIST_diag:
+ if (nit->head->child == NULL)
+ mandoc_msg(MANDOCERR_IT_NOHEAD,
+ nit->line, nit->pos, "Bl -%s It",
+ mdoc_argnames[nbl->args->argv[0].arg]);
+ break;
+ case LIST_bullet:
+ case LIST_dash:
+ case LIST_enum:
+ case LIST_hyphen:
+ if (nit->body == NULL || nit->body->child == NULL)
+ mandoc_msg(MANDOCERR_IT_NOBODY,
+ nit->line, nit->pos, "Bl -%s It",
+ mdoc_argnames[nbl->args->argv[0].arg]);
+ /* FALLTHROUGH */
+ case LIST_item:
+ if ((nch = nit->head->child) != NULL)
+ mandoc_msg(MANDOCERR_ARG_SKIP,
+ nit->line, nit->pos, "It %s",
+ nch->type == ROFFT_TEXT ? nch->string :
+ roff_name[nch->tok]);
+ break;
+ case LIST_column:
+ cols = (int)nbl->norm->Bl.ncols;
+
+ assert(nit->head->child == NULL);
+
+ if (nit->head->next->child == NULL &&
+ nit->head->next->next == NULL) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ nit->line, nit->pos, "It");
+ roff_node_delete(mdoc, nit);
+ break;
+ }
+
+ i = 0;
+ for (nch = nit->child; nch != NULL; nch = nch->next) {
+ if (nch->type != ROFFT_BODY)
+ continue;
+ if (i++ && nch->flags & NODE_LINE)
+ mandoc_msg(MANDOCERR_TA_LINE,
+ nch->line, nch->pos, "Ta");
+ }
+ if (i < cols || i > cols + 1)
+ mandoc_msg(MANDOCERR_BL_COL, nit->line, nit->pos,
+ "%d columns, %d cells", cols, i);
+ else if (nit->head->next->child != NULL &&
+ nit->head->next->child->flags & NODE_LINE)
+ mandoc_msg(MANDOCERR_IT_NOARG,
+ nit->line, nit->pos, "Bl -column It");
+ break;
+ default:
+ abort();
+ }
+}
+
+static void
+post_bl_block(POST_ARGS)
+{
+ struct roff_node *n, *ni, *nc;
+
+ post_prevpar(mdoc);
+
+ n = mdoc->last;
+ for (ni = n->body->child; ni != NULL; ni = ni->next) {
+ if (ni->body == NULL)
+ continue;
+ nc = ni->body->last;
+ while (nc != NULL) {
+ switch (nc->tok) {
+ case MDOC_Pp:
+ case ROFF_br:
+ break;
+ default:
+ nc = NULL;
+ continue;
+ }
+ if (ni->next == NULL) {
+ mandoc_msg(MANDOCERR_PAR_MOVE, nc->line,
+ nc->pos, "%s", roff_name[nc->tok]);
+ roff_node_relink(mdoc, nc);
+ } else if (n->norm->Bl.comp == 0 &&
+ n->norm->Bl.type != LIST_column) {
+ mandoc_msg(MANDOCERR_PAR_SKIP,
+ nc->line, nc->pos,
+ "%s before It", roff_name[nc->tok]);
+ roff_node_delete(mdoc, nc);
+ } else
+ break;
+ nc = ni->body->last;
+ }
+ }
+}
+
+/*
+ * If the argument of -offset or -width is a macro,
+ * replace it with the associated default width.
+ */
+static void
+rewrite_macro2len(struct roff_man *mdoc, char **arg)
+{
+ size_t width;
+ enum roff_tok tok;
+
+ if (*arg == NULL)
+ return;
+ else if ( ! strcmp(*arg, "Ds"))
+ width = 6;
+ else if ((tok = roffhash_find(mdoc->mdocmac, *arg, 0)) == TOKEN_NONE)
+ return;
+ else
+ width = macro2len(tok);
+
+ free(*arg);
+ mandoc_asprintf(arg, "%zun", width);
+}
+
+static void
+post_bl_head(POST_ARGS)
+{
+ struct roff_node *nbl, *nh, *nch, *nnext;
+ struct mdoc_argv *argv;
+ int i, j;
+
+ post_bl_norm(mdoc);
+
+ nh = mdoc->last;
+ if (nh->norm->Bl.type != LIST_column) {
+ if ((nch = nh->child) == NULL)
+ return;
+ mandoc_msg(MANDOCERR_ARG_EXCESS,
+ nch->line, nch->pos, "Bl ... %s", nch->string);
+ while (nch != NULL) {
+ roff_node_delete(mdoc, nch);
+ nch = nh->child;
+ }
+ return;
+ }
+
+ /*
+ * Append old-style lists, where the column width specifiers
+ * trail as macro parameters, to the new-style ("normal-form")
+ * lists where they're argument values following -column.
+ */
+
+ if (nh->child == NULL)
+ return;
+
+ nbl = nh->parent;
+ for (j = 0; j < (int)nbl->args->argc; j++)
+ if (nbl->args->argv[j].arg == MDOC_Column)
+ break;
+
+ assert(j < (int)nbl->args->argc);
+
+ /*
+ * Accommodate for new-style groff column syntax. Shuffle the
+ * child nodes, all of which must be TEXT, as arguments for the
+ * column field. Then, delete the head children.
+ */
+
+ argv = nbl->args->argv + j;
+ i = argv->sz;
+ for (nch = nh->child; nch != NULL; nch = nch->next)
+ argv->sz++;
+ argv->value = mandoc_reallocarray(argv->value,
+ argv->sz, sizeof(char *));
+
+ nh->norm->Bl.ncols = argv->sz;
+ nh->norm->Bl.cols = (void *)argv->value;
+
+ for (nch = nh->child; nch != NULL; nch = nnext) {
+ argv->value[i++] = nch->string;
+ nch->string = NULL;
+ nnext = nch->next;
+ roff_node_delete(NULL, nch);
+ }
+ nh->child = NULL;
+}
+
+static void
+post_bl(POST_ARGS)
+{
+ struct roff_node *nbody; /* of the Bl */
+ struct roff_node *nchild, *nnext; /* of the Bl body */
+ const char *prev_Er;
+ int order;
+
+ nbody = mdoc->last;
+ switch (nbody->type) {
+ case ROFFT_BLOCK:
+ post_bl_block(mdoc);
+ return;
+ case ROFFT_HEAD:
+ post_bl_head(mdoc);
+ return;
+ case ROFFT_BODY:
+ break;
+ default:
+ return;
+ }
+ if (nbody->end != ENDBODY_NOT)
+ return;
+
+ /*
+ * Up to the first item, move nodes before the list,
+ * but leave transparent nodes where they are
+ * if they precede an item.
+ * The next non-transparent node is kept in nchild.
+ * It only needs to be updated after a non-transparent
+ * node was moved out, and at the very beginning
+ * when no node at all was moved yet.
+ */
+
+ nchild = mdoc->last;
+ for (;;) {
+ if (nchild == mdoc->last)
+ nchild = roff_node_child(nbody);
+ if (nchild == NULL) {
+ mdoc->last = nbody;
+ mandoc_msg(MANDOCERR_BLK_EMPTY,
+ nbody->line, nbody->pos, "Bl");
+ return;
+ }
+ if (nchild->tok == MDOC_It) {
+ mdoc->last = nbody;
+ break;
+ }
+ mandoc_msg(MANDOCERR_BL_MOVE, nbody->child->line,
+ nbody->child->pos, "%s", roff_name[nbody->child->tok]);
+ if (nbody->parent->prev == NULL) {
+ mdoc->last = nbody->parent->parent;
+ mdoc->next = ROFF_NEXT_CHILD;
+ } else {
+ mdoc->last = nbody->parent->prev;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ }
+ roff_node_relink(mdoc, nbody->child);
+ }
+
+ /*
+ * We have reached the first item,
+ * so moving nodes out is no longer possible.
+ * But in .Bl -column, the first rows may be implicit,
+ * that is, they may not start with .It macros.
+ * Such rows may be followed by nodes generated on the
+ * roff level, for example .TS.
+ * Wrap such roff nodes into an implicit row.
+ */
+
+ while (nchild != NULL) {
+ if (nchild->tok == MDOC_It) {
+ nchild = roff_node_next(nchild);
+ continue;
+ }
+ nnext = nchild->next;
+ mdoc->last = nchild->prev;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ roff_block_alloc(mdoc, nchild->line, nchild->pos, MDOC_It);
+ roff_head_alloc(mdoc, nchild->line, nchild->pos, MDOC_It);
+ mdoc->next = ROFF_NEXT_SIBLING;
+ roff_body_alloc(mdoc, nchild->line, nchild->pos, MDOC_It);
+ while (nchild->tok != MDOC_It) {
+ roff_node_relink(mdoc, nchild);
+ if (nnext == NULL)
+ break;
+ nchild = nnext;
+ nnext = nchild->next;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ }
+ mdoc->last = nbody;
+ }
+
+ if (mdoc->meta.os_e != MANDOC_OS_NETBSD)
+ return;
+
+ prev_Er = NULL;
+ for (nchild = nbody->child; nchild != NULL; nchild = nchild->next) {
+ if (nchild->tok != MDOC_It)
+ continue;
+ if ((nnext = nchild->head->child) == NULL)
+ continue;
+ if (nnext->type == ROFFT_BLOCK)
+ nnext = nnext->body->child;
+ if (nnext == NULL || nnext->tok != MDOC_Er)
+ continue;
+ nnext = nnext->child;
+ if (prev_Er != NULL) {
+ order = strcmp(prev_Er, nnext->string);
+ if (order > 0)
+ mandoc_msg(MANDOCERR_ER_ORDER,
+ nnext->line, nnext->pos,
+ "Er %s %s (NetBSD)",
+ prev_Er, nnext->string);
+ else if (order == 0)
+ mandoc_msg(MANDOCERR_ER_REP,
+ nnext->line, nnext->pos,
+ "Er %s (NetBSD)", prev_Er);
+ }
+ prev_Er = nnext->string;
+ }
+}
+
+static void
+post_bk(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+
+ if (n->type == ROFFT_BLOCK && n->body->child == NULL) {
+ mandoc_msg(MANDOCERR_BLK_EMPTY, n->line, n->pos, "Bk");
+ roff_node_delete(mdoc, n);
+ }
+}
+
+static void
+post_sm(POST_ARGS)
+{
+ struct roff_node *nch;
+
+ nch = mdoc->last->child;
+
+ if (nch == NULL) {
+ mdoc->flags ^= MDOC_SMOFF;
+ return;
+ }
+
+ assert(nch->type == ROFFT_TEXT);
+
+ if ( ! strcmp(nch->string, "on")) {
+ mdoc->flags &= ~MDOC_SMOFF;
+ return;
+ }
+ if ( ! strcmp(nch->string, "off")) {
+ mdoc->flags |= MDOC_SMOFF;
+ return;
+ }
+
+ mandoc_msg(MANDOCERR_SM_BAD, nch->line, nch->pos,
+ "%s %s", roff_name[mdoc->last->tok], nch->string);
+ roff_node_relink(mdoc, nch);
+ return;
+}
+
+static void
+post_root(POST_ARGS)
+{
+ struct roff_node *n;
+
+ /* Add missing prologue data. */
+
+ if (mdoc->meta.date == NULL)
+ mdoc->meta.date = mandoc_normdate(NULL, NULL);
+
+ if (mdoc->meta.title == NULL) {
+ mandoc_msg(MANDOCERR_DT_NOTITLE, 0, 0, "EOF");
+ mdoc->meta.title = mandoc_strdup("UNTITLED");
+ }
+
+ if (mdoc->meta.vol == NULL)
+ mdoc->meta.vol = mandoc_strdup("LOCAL");
+
+ if (mdoc->meta.os == NULL) {
+ mandoc_msg(MANDOCERR_OS_MISSING, 0, 0, NULL);
+ mdoc->meta.os = mandoc_strdup("");
+ } else if (mdoc->meta.os_e &&
+ (mdoc->meta.rcsids & (1 << mdoc->meta.os_e)) == 0)
+ mandoc_msg(MANDOCERR_RCS_MISSING, 0, 0,
+ mdoc->meta.os_e == MANDOC_OS_OPENBSD ?
+ "(OpenBSD)" : "(NetBSD)");
+
+ if (mdoc->meta.arch != NULL &&
+ arch_valid(mdoc->meta.arch, mdoc->meta.os_e) == 0) {
+ n = mdoc->meta.first->child;
+ while (n->tok != MDOC_Dt ||
+ n->child == NULL ||
+ n->child->next == NULL ||
+ n->child->next->next == NULL)
+ n = n->next;
+ n = n->child->next->next;
+ mandoc_msg(MANDOCERR_ARCH_BAD, n->line, n->pos,
+ "Dt ... %s %s", mdoc->meta.arch,
+ mdoc->meta.os_e == MANDOC_OS_OPENBSD ?
+ "(OpenBSD)" : "(NetBSD)");
+ }
+
+ /* Check that we begin with a proper `Sh'. */
+
+ n = mdoc->meta.first->child;
+ while (n != NULL &&
+ (n->type == ROFFT_COMMENT ||
+ (n->tok >= MDOC_Dd &&
+ mdoc_macro(n->tok)->flags & MDOC_PROLOGUE)))
+ n = n->next;
+
+ if (n == NULL)
+ mandoc_msg(MANDOCERR_DOC_EMPTY, 0, 0, NULL);
+ else if (n->tok != MDOC_Sh)
+ mandoc_msg(MANDOCERR_SEC_BEFORE, n->line, n->pos,
+ "%s", roff_name[n->tok]);
+}
+
+static void
+post_rs(POST_ARGS)
+{
+ struct roff_node *np, *nch, *next, *prev;
+ int i, j;
+
+ np = mdoc->last;
+
+ if (np->type != ROFFT_BODY)
+ return;
+
+ if (np->child == NULL) {
+ mandoc_msg(MANDOCERR_RS_EMPTY, np->line, np->pos, "Rs");
+ return;
+ }
+
+ /*
+ * The full `Rs' block needs special handling to order the
+ * sub-elements according to `rsord'. Pick through each element
+ * and correctly order it. This is an insertion sort.
+ */
+
+ next = NULL;
+ for (nch = np->child->next; nch != NULL; nch = next) {
+ /* Determine order number of this child. */
+ for (i = 0; i < RSORD_MAX; i++)
+ if (rsord[i] == nch->tok)
+ break;
+
+ if (i == RSORD_MAX) {
+ mandoc_msg(MANDOCERR_RS_BAD, nch->line, nch->pos,
+ "%s", roff_name[nch->tok]);
+ i = -1;
+ } else if (nch->tok == MDOC__J || nch->tok == MDOC__B)
+ np->norm->Rs.quote_T++;
+
+ /*
+ * Remove this child from the chain. This somewhat
+ * repeats roff_node_unlink(), but since we're
+ * just re-ordering, there's no need for the
+ * full unlink process.
+ */
+
+ if ((next = nch->next) != NULL)
+ next->prev = nch->prev;
+
+ if ((prev = nch->prev) != NULL)
+ prev->next = nch->next;
+
+ nch->prev = nch->next = NULL;
+
+ /*
+ * Scan back until we reach a node that's
+ * to be ordered before this child.
+ */
+
+ for ( ; prev ; prev = prev->prev) {
+ /* Determine order of `prev'. */
+ for (j = 0; j < RSORD_MAX; j++)
+ if (rsord[j] == prev->tok)
+ break;
+ if (j == RSORD_MAX)
+ j = -1;
+
+ if (j <= i)
+ break;
+ }
+
+ /*
+ * Set this child back into its correct place
+ * in front of the `prev' node.
+ */
+
+ nch->prev = prev;
+
+ if (prev == NULL) {
+ np->child->prev = nch;
+ nch->next = np->child;
+ np->child = nch;
+ } else {
+ if (prev->next)
+ prev->next->prev = nch;
+ nch->next = prev->next;
+ prev->next = nch;
+ }
+ }
+}
+
+/*
+ * For some arguments of some macros,
+ * convert all breakable hyphens into ASCII_HYPH.
+ */
+static void
+post_hyph(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+ char *cp;
+
+ n = mdoc->last;
+ for (nch = n->child; nch != NULL; nch = nch->next) {
+ if (nch->type != ROFFT_TEXT)
+ continue;
+ cp = nch->string;
+ if (*cp == '\0')
+ continue;
+ while (*(++cp) != '\0')
+ if (*cp == '-' &&
+ isalpha((unsigned char)cp[-1]) &&
+ isalpha((unsigned char)cp[1])) {
+ if (n->tag == NULL && n->flags & NODE_ID)
+ n->tag = mandoc_strdup(nch->string);
+ *cp = ASCII_HYPH;
+ }
+ }
+}
+
+static void
+post_ns(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ if (n->flags & NODE_LINE ||
+ (n->next != NULL && n->next->flags & NODE_DELIMC))
+ mandoc_msg(MANDOCERR_NS_SKIP, n->line, n->pos, NULL);
+}
+
+static void
+post_sx(POST_ARGS)
+{
+ post_delim(mdoc);
+ post_hyph(mdoc);
+}
+
+static void
+post_sh(POST_ARGS)
+{
+ post_section(mdoc);
+
+ switch (mdoc->last->type) {
+ case ROFFT_HEAD:
+ post_sh_head(mdoc);
+ break;
+ case ROFFT_BODY:
+ switch (mdoc->lastsec) {
+ case SEC_NAME:
+ post_sh_name(mdoc);
+ break;
+ case SEC_SEE_ALSO:
+ post_sh_see_also(mdoc);
+ break;
+ case SEC_AUTHORS:
+ post_sh_authors(mdoc);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+post_sh_name(POST_ARGS)
+{
+ struct roff_node *n;
+ int hasnm, hasnd;
+
+ hasnm = hasnd = 0;
+
+ for (n = mdoc->last->child; n != NULL; n = n->next) {
+ switch (n->tok) {
+ case MDOC_Nm:
+ if (hasnm && n->child != NULL)
+ mandoc_msg(MANDOCERR_NAMESEC_PUNCT,
+ n->line, n->pos,
+ "Nm %s", n->child->string);
+ hasnm = 1;
+ continue;
+ case MDOC_Nd:
+ hasnd = 1;
+ if (n->next != NULL)
+ mandoc_msg(MANDOCERR_NAMESEC_ND,
+ n->line, n->pos, NULL);
+ break;
+ case TOKEN_NONE:
+ if (n->type == ROFFT_TEXT &&
+ n->string[0] == ',' && n->string[1] == '\0' &&
+ n->next != NULL && n->next->tok == MDOC_Nm) {
+ n = n->next;
+ continue;
+ }
+ /* FALLTHROUGH */
+ default:
+ mandoc_msg(MANDOCERR_NAMESEC_BAD,
+ n->line, n->pos, "%s", roff_name[n->tok]);
+ continue;
+ }
+ break;
+ }
+
+ if ( ! hasnm)
+ mandoc_msg(MANDOCERR_NAMESEC_NONM,
+ mdoc->last->line, mdoc->last->pos, NULL);
+ if ( ! hasnd)
+ mandoc_msg(MANDOCERR_NAMESEC_NOND,
+ mdoc->last->line, mdoc->last->pos, NULL);
+}
+
+static void
+post_sh_see_also(POST_ARGS)
+{
+ const struct roff_node *n;
+ const char *name, *sec;
+ const char *lastname, *lastsec, *lastpunct;
+ int cmp;
+
+ n = mdoc->last->child;
+ lastname = lastsec = lastpunct = NULL;
+ while (n != NULL) {
+ if (n->tok != MDOC_Xr ||
+ n->child == NULL ||
+ n->child->next == NULL)
+ break;
+
+ /* Process one .Xr node. */
+
+ name = n->child->string;
+ sec = n->child->next->string;
+ if (lastsec != NULL) {
+ if (lastpunct[0] != ',' || lastpunct[1] != '\0')
+ mandoc_msg(MANDOCERR_XR_PUNCT, n->line,
+ n->pos, "%s before %s(%s)",
+ lastpunct, name, sec);
+ cmp = strcmp(lastsec, sec);
+ if (cmp > 0)
+ mandoc_msg(MANDOCERR_XR_ORDER, n->line,
+ n->pos, "%s(%s) after %s(%s)",
+ name, sec, lastname, lastsec);
+ else if (cmp == 0 &&
+ strcasecmp(lastname, name) > 0)
+ mandoc_msg(MANDOCERR_XR_ORDER, n->line,
+ n->pos, "%s after %s", name, lastname);
+ }
+ lastname = name;
+ lastsec = sec;
+
+ /* Process the following node. */
+
+ n = n->next;
+ if (n == NULL)
+ break;
+ if (n->tok == MDOC_Xr) {
+ lastpunct = "none";
+ continue;
+ }
+ if (n->type != ROFFT_TEXT)
+ break;
+ for (name = n->string; *name != '\0'; name++)
+ if (isalpha((const unsigned char)*name))
+ return;
+ lastpunct = n->string;
+ if (n->next == NULL || n->next->tok == MDOC_Rs)
+ mandoc_msg(MANDOCERR_XR_PUNCT, n->line,
+ n->pos, "%s after %s(%s)",
+ lastpunct, lastname, lastsec);
+ n = n->next;
+ }
+}
+
+static int
+child_an(const struct roff_node *n)
+{
+
+ for (n = n->child; n != NULL; n = n->next)
+ if ((n->tok == MDOC_An && n->child != NULL) || child_an(n))
+ return 1;
+ return 0;
+}
+
+static void
+post_sh_authors(POST_ARGS)
+{
+
+ if ( ! child_an(mdoc->last))
+ mandoc_msg(MANDOCERR_AN_MISSING,
+ mdoc->last->line, mdoc->last->pos, NULL);
+}
+
+/*
+ * Return an upper bound for the string distance (allowing
+ * transpositions). Not a full Levenshtein implementation
+ * because Levenshtein is quadratic in the string length
+ * and this function is called for every standard name,
+ * so the check for each custom name would be cubic.
+ * The following crude heuristics is linear, resulting
+ * in quadratic behaviour for checking one custom name,
+ * which does not cause measurable slowdown.
+ */
+static int
+similar(const char *s1, const char *s2)
+{
+ const int maxdist = 3;
+ int dist = 0;
+
+ while (s1[0] != '\0' && s2[0] != '\0') {
+ if (s1[0] == s2[0]) {
+ s1++;
+ s2++;
+ continue;
+ }
+ if (++dist > maxdist)
+ return INT_MAX;
+ if (s1[1] == s2[1]) { /* replacement */
+ s1++;
+ s2++;
+ } else if (s1[0] == s2[1] && s1[1] == s2[0]) {
+ s1 += 2; /* transposition */
+ s2 += 2;
+ } else if (s1[0] == s2[1]) /* insertion */
+ s2++;
+ else if (s1[1] == s2[0]) /* deletion */
+ s1++;
+ else
+ return INT_MAX;
+ }
+ dist += strlen(s1) + strlen(s2);
+ return dist > maxdist ? INT_MAX : dist;
+}
+
+static void
+post_sh_head(POST_ARGS)
+{
+ struct roff_node *nch;
+ const char *goodsec;
+ const char *const *testsec;
+ int dist, mindist;
+ enum roff_sec sec;
+
+ /*
+ * Process a new section. Sections are either "named" or
+ * "custom". Custom sections are user-defined, while named ones
+ * follow a conventional order and may only appear in certain
+ * manual sections.
+ */
+
+ sec = mdoc->last->sec;
+
+ /* The NAME should be first. */
+
+ if (sec != SEC_NAME && mdoc->lastnamed == SEC_NONE)
+ mandoc_msg(MANDOCERR_NAMESEC_FIRST,
+ mdoc->last->line, mdoc->last->pos, "Sh %s",
+ sec != SEC_CUSTOM ? secnames[sec] :
+ (nch = mdoc->last->child) == NULL ? "" :
+ nch->type == ROFFT_TEXT ? nch->string :
+ roff_name[nch->tok]);
+
+ /* The SYNOPSIS gets special attention in other areas. */
+
+ if (sec == SEC_SYNOPSIS) {
+ roff_setreg(mdoc->roff, "nS", 1, '=');
+ mdoc->flags |= MDOC_SYNOPSIS;
+ } else {
+ roff_setreg(mdoc->roff, "nS", 0, '=');
+ mdoc->flags &= ~MDOC_SYNOPSIS;
+ }
+ if (sec == SEC_DESCRIPTION)
+ fn_prio = TAG_STRONG;
+
+ /* Mark our last section. */
+
+ mdoc->lastsec = sec;
+
+ /* We don't care about custom sections after this. */
+
+ if (sec == SEC_CUSTOM) {
+ if ((nch = mdoc->last->child) == NULL ||
+ nch->type != ROFFT_TEXT || nch->next != NULL)
+ return;
+ goodsec = NULL;
+ mindist = INT_MAX;
+ for (testsec = secnames + 1; *testsec != NULL; testsec++) {
+ dist = similar(nch->string, *testsec);
+ if (dist < mindist) {
+ goodsec = *testsec;
+ mindist = dist;
+ }
+ }
+ if (goodsec != NULL)
+ mandoc_msg(MANDOCERR_SEC_TYPO, nch->line, nch->pos,
+ "Sh %s instead of %s", nch->string, goodsec);
+ return;
+ }
+
+ /*
+ * Check whether our non-custom section is being repeated or is
+ * out of order.
+ */
+
+ if (sec == mdoc->lastnamed)
+ mandoc_msg(MANDOCERR_SEC_REP, mdoc->last->line,
+ mdoc->last->pos, "Sh %s", secnames[sec]);
+
+ if (sec < mdoc->lastnamed)
+ mandoc_msg(MANDOCERR_SEC_ORDER, mdoc->last->line,
+ mdoc->last->pos, "Sh %s", secnames[sec]);
+
+ /* Mark the last named section. */
+
+ mdoc->lastnamed = sec;
+
+ /* Check particular section/manual conventions. */
+
+ if (mdoc->meta.msec == NULL)
+ return;
+
+ goodsec = NULL;
+ switch (sec) {
+ case SEC_ERRORS:
+ if (*mdoc->meta.msec == '4')
+ break;
+ goodsec = "2, 3, 4, 9";
+ /* FALLTHROUGH */
+ case SEC_RETURN_VALUES:
+ case SEC_LIBRARY:
+ if (*mdoc->meta.msec == '2')
+ break;
+ if (*mdoc->meta.msec == '3')
+ break;
+ if (NULL == goodsec)
+ goodsec = "2, 3, 9";
+ /* FALLTHROUGH */
+ case SEC_CONTEXT:
+ if (*mdoc->meta.msec == '9')
+ break;
+ if (NULL == goodsec)
+ goodsec = "9";
+ mandoc_msg(MANDOCERR_SEC_MSEC,
+ mdoc->last->line, mdoc->last->pos,
+ "Sh %s for %s only", secnames[sec], goodsec);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+post_xr(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+
+ n = mdoc->last;
+ nch = n->child;
+ if (nch->next == NULL) {
+ mandoc_msg(MANDOCERR_XR_NOSEC,
+ n->line, n->pos, "Xr %s", nch->string);
+ } else {
+ assert(nch->next == n->last);
+ if(mandoc_xr_add(nch->next->string, nch->string,
+ nch->line, nch->pos))
+ mandoc_msg(MANDOCERR_XR_SELF,
+ nch->line, nch->pos, "Xr %s %s",
+ nch->string, nch->next->string);
+ }
+ post_delim_nb(mdoc);
+}
+
+static void
+post_section(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+ char *cp, *tag;
+
+ n = mdoc->last;
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ post_prevpar(mdoc);
+ return;
+ case ROFFT_HEAD:
+ tag = NULL;
+ deroff(&tag, n);
+ if (tag != NULL) {
+ for (cp = tag; *cp != '\0'; cp++)
+ if (*cp == ' ')
+ *cp = '_';
+ if ((nch = n->child) != NULL &&
+ nch->type == ROFFT_TEXT &&
+ strcmp(nch->string, tag) == 0)
+ tag_put(NULL, TAG_WEAK, n);
+ else
+ tag_put(tag, TAG_FALLBACK, n);
+ free(tag);
+ }
+ post_delim(mdoc);
+ post_hyph(mdoc);
+ return;
+ case ROFFT_BODY:
+ break;
+ default:
+ return;
+ }
+ if ((nch = n->child) != NULL &&
+ (nch->tok == MDOC_Pp || nch->tok == ROFF_br ||
+ nch->tok == ROFF_sp)) {
+ mandoc_msg(MANDOCERR_PAR_SKIP, nch->line, nch->pos,
+ "%s after %s", roff_name[nch->tok],
+ roff_name[n->tok]);
+ roff_node_delete(mdoc, nch);
+ }
+ if ((nch = n->last) != NULL &&
+ (nch->tok == MDOC_Pp || nch->tok == ROFF_br)) {
+ mandoc_msg(MANDOCERR_PAR_SKIP, nch->line, nch->pos,
+ "%s at the end of %s", roff_name[nch->tok],
+ roff_name[n->tok]);
+ roff_node_delete(mdoc, nch);
+ }
+}
+
+static void
+post_prevpar(POST_ARGS)
+{
+ struct roff_node *n, *np;
+
+ n = mdoc->last;
+ if (n->type != ROFFT_ELEM && n->type != ROFFT_BLOCK)
+ return;
+ if ((np = roff_node_prev(n)) == NULL)
+ return;
+
+ /*
+ * Don't allow `Pp' prior to a paragraph-type
+ * block: `Pp' or non-compact `Bd' or `Bl'.
+ */
+
+ if (np->tok != MDOC_Pp && np->tok != ROFF_br)
+ return;
+ if (n->tok == MDOC_Bl && n->norm->Bl.comp)
+ return;
+ if (n->tok == MDOC_Bd && n->norm->Bd.comp)
+ return;
+ if (n->tok == MDOC_It && n->parent->norm->Bl.comp)
+ return;
+
+ mandoc_msg(MANDOCERR_PAR_SKIP, np->line, np->pos,
+ "%s before %s", roff_name[np->tok], roff_name[n->tok]);
+ roff_node_delete(mdoc, np);
+}
+
+static void
+post_par(POST_ARGS)
+{
+ struct roff_node *np;
+
+ fn_prio = TAG_STRONG;
+ post_prevpar(mdoc);
+
+ np = mdoc->last;
+ if (np->child != NULL)
+ mandoc_msg(MANDOCERR_ARG_SKIP, np->line, np->pos,
+ "%s %s", roff_name[np->tok], np->child->string);
+}
+
+static void
+post_dd(POST_ARGS)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ n->flags |= NODE_NOPRT;
+
+ if (mdoc->meta.date != NULL) {
+ mandoc_msg(MANDOCERR_PROLOG_REP, n->line, n->pos, "Dd");
+ free(mdoc->meta.date);
+ } else if (mdoc->flags & MDOC_PBODY)
+ mandoc_msg(MANDOCERR_PROLOG_LATE, n->line, n->pos, "Dd");
+ else if (mdoc->meta.title != NULL)
+ mandoc_msg(MANDOCERR_PROLOG_ORDER,
+ n->line, n->pos, "Dd after Dt");
+ else if (mdoc->meta.os != NULL)
+ mandoc_msg(MANDOCERR_PROLOG_ORDER,
+ n->line, n->pos, "Dd after Os");
+
+ if (mdoc->quick && n != NULL)
+ mdoc->meta.date = mandoc_strdup("");
+ else
+ mdoc->meta.date = mandoc_normdate(n->child, n);
+}
+
+static void
+post_dt(POST_ARGS)
+{
+ struct roff_node *nn, *n;
+ const char *cp;
+ char *p;
+
+ n = mdoc->last;
+ n->flags |= NODE_NOPRT;
+
+ if (mdoc->flags & MDOC_PBODY) {
+ mandoc_msg(MANDOCERR_DT_LATE, n->line, n->pos, "Dt");
+ return;
+ }
+
+ if (mdoc->meta.title != NULL)
+ mandoc_msg(MANDOCERR_PROLOG_REP, n->line, n->pos, "Dt");
+ else if (mdoc->meta.os != NULL)
+ mandoc_msg(MANDOCERR_PROLOG_ORDER,
+ n->line, n->pos, "Dt after Os");
+
+ free(mdoc->meta.title);
+ free(mdoc->meta.msec);
+ free(mdoc->meta.vol);
+ free(mdoc->meta.arch);
+
+ mdoc->meta.title = NULL;
+ mdoc->meta.msec = NULL;
+ mdoc->meta.vol = NULL;
+ mdoc->meta.arch = NULL;
+
+ /* Mandatory first argument: title. */
+
+ nn = n->child;
+ if (nn == NULL || *nn->string == '\0') {
+ mandoc_msg(MANDOCERR_DT_NOTITLE, n->line, n->pos, "Dt");
+ mdoc->meta.title = mandoc_strdup("UNTITLED");
+ } else {
+ mdoc->meta.title = mandoc_strdup(nn->string);
+
+ /* Check that all characters are uppercase. */
+
+ for (p = nn->string; *p != '\0'; p++)
+ if (islower((unsigned char)*p)) {
+ mandoc_msg(MANDOCERR_TITLE_CASE, nn->line,
+ nn->pos + (int)(p - nn->string),
+ "Dt %s", nn->string);
+ break;
+ }
+ }
+
+ /* Mandatory second argument: section. */
+
+ if (nn != NULL)
+ nn = nn->next;
+
+ if (nn == NULL) {
+ mandoc_msg(MANDOCERR_MSEC_MISSING, n->line, n->pos,
+ "Dt %s", mdoc->meta.title);
+ mdoc->meta.vol = mandoc_strdup("LOCAL");
+ return; /* msec and arch remain NULL. */
+ }
+
+ mdoc->meta.msec = mandoc_strdup(nn->string);
+
+ /* Infer volume title from section number. */
+
+ cp = mandoc_a2msec(nn->string);
+ if (cp == NULL) {
+ mandoc_msg(MANDOCERR_MSEC_BAD,
+ nn->line, nn->pos, "Dt ... %s", nn->string);
+ mdoc->meta.vol = mandoc_strdup(nn->string);
+ } else {
+ mdoc->meta.vol = mandoc_strdup(cp);
+ if (mdoc->filesec != '\0' &&
+ mdoc->filesec != *nn->string &&
+ *nn->string >= '1' && *nn->string <= '9')
+ mandoc_msg(MANDOCERR_MSEC_FILE, nn->line, nn->pos,
+ "*.%c vs Dt ... %c", mdoc->filesec, *nn->string);
+ }
+
+ /* Optional third argument: architecture. */
+
+ if ((nn = nn->next) == NULL)
+ return;
+
+ for (p = nn->string; *p != '\0'; p++)
+ *p = tolower((unsigned char)*p);
+ mdoc->meta.arch = mandoc_strdup(nn->string);
+
+ /* Ignore fourth and later arguments. */
+
+ if ((nn = nn->next) != NULL)
+ mandoc_msg(MANDOCERR_ARG_EXCESS,
+ nn->line, nn->pos, "Dt ... %s", nn->string);
+}
+
+static void
+post_bx(POST_ARGS)
+{
+ struct roff_node *n, *nch;
+ const char *macro;
+
+ post_delim_nb(mdoc);
+
+ n = mdoc->last;
+ nch = n->child;
+
+ if (nch != NULL) {
+ macro = !strcmp(nch->string, "Open") ? "Ox" :
+ !strcmp(nch->string, "Net") ? "Nx" :
+ !strcmp(nch->string, "Free") ? "Fx" :
+ !strcmp(nch->string, "DragonFly") ? "Dx" : NULL;
+ if (macro != NULL)
+ mandoc_msg(MANDOCERR_BX,
+ n->line, n->pos, "%s", macro);
+ mdoc->last = nch;
+ nch = nch->next;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ } else
+ mdoc->next = ROFF_NEXT_CHILD;
+ roff_word_alloc(mdoc, n->line, n->pos, "BSD");
+ mdoc->last->flags |= NODE_NOSRC;
+
+ if (nch == NULL) {
+ mdoc->last = n;
+ return;
+ }
+
+ roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->next = ROFF_NEXT_SIBLING;
+ roff_word_alloc(mdoc, n->line, n->pos, "-");
+ mdoc->last->flags |= NODE_NOSRC;
+ roff_elem_alloc(mdoc, n->line, n->pos, MDOC_Ns);
+ mdoc->last->flags |= NODE_NOSRC;
+ mdoc->last = n;
+
+ /*
+ * Make `Bx's second argument always start with an uppercase
+ * letter. Groff checks if it's an "accepted" term, but we just
+ * uppercase blindly.
+ */
+
+ *nch->string = (char)toupper((unsigned char)*nch->string);
+}
+
+static void
+post_os(POST_ARGS)
+{
+#ifndef OSNAME
+ struct utsname utsname;
+ static char *defbuf;
+#endif
+ struct roff_node *n;
+
+ n = mdoc->last;
+ n->flags |= NODE_NOPRT;
+
+ if (mdoc->meta.os != NULL)
+ mandoc_msg(MANDOCERR_PROLOG_REP, n->line, n->pos, "Os");
+ else if (mdoc->flags & MDOC_PBODY)
+ mandoc_msg(MANDOCERR_PROLOG_LATE, n->line, n->pos, "Os");
+
+ post_delim(mdoc);
+
+ /*
+ * Set the operating system by way of the `Os' macro.
+ * The order of precedence is:
+ * 1. the argument of the `Os' macro, unless empty
+ * 2. the -Ios=foo command line argument, if provided
+ * 3. -DOSNAME="\"foo\"", if provided during compilation
+ * 4. "sysname release" from uname(3)
+ */
+
+ free(mdoc->meta.os);
+ mdoc->meta.os = NULL;
+ deroff(&mdoc->meta.os, n);
+ if (mdoc->meta.os)
+ goto out;
+
+ if (mdoc->os_s != NULL) {
+ mdoc->meta.os = mandoc_strdup(mdoc->os_s);
+ goto out;
+ }
+
+#ifdef OSNAME
+ mdoc->meta.os = mandoc_strdup(OSNAME);
+#else /*!OSNAME */
+ if (defbuf == NULL) {
+ if (uname(&utsname) == -1) {
+ mandoc_msg(MANDOCERR_OS_UNAME, n->line, n->pos, "Os");
+ defbuf = mandoc_strdup("UNKNOWN");
+ } else
+ mandoc_asprintf(&defbuf, "%s %s",
+ utsname.sysname, utsname.release);
+ }
+ mdoc->meta.os = mandoc_strdup(defbuf);
+#endif /*!OSNAME*/
+
+out:
+ if (mdoc->meta.os_e == MANDOC_OS_OTHER) {
+ if (strstr(mdoc->meta.os, "OpenBSD") != NULL)
+ mdoc->meta.os_e = MANDOC_OS_OPENBSD;
+ else if (strstr(mdoc->meta.os, "NetBSD") != NULL)
+ mdoc->meta.os_e = MANDOC_OS_NETBSD;
+ }
+
+ /*
+ * This is the earliest point where we can check
+ * Mdocdate conventions because we don't know
+ * the operating system earlier.
+ */
+
+ if (n->child != NULL)
+ mandoc_msg(MANDOCERR_OS_ARG, n->child->line, n->child->pos,
+ "Os %s (%s)", n->child->string,
+ mdoc->meta.os_e == MANDOC_OS_OPENBSD ?
+ "OpenBSD" : "NetBSD");
+
+ while (n->tok != MDOC_Dd)
+ if ((n = n->prev) == NULL)
+ return;
+ if ((n = n->child) == NULL)
+ return;
+ if (strncmp(n->string, "$" "Mdocdate", 9)) {
+ if (mdoc->meta.os_e == MANDOC_OS_OPENBSD)
+ mandoc_msg(MANDOCERR_MDOCDATE_MISSING, n->line,
+ n->pos, "Dd %s (OpenBSD)", n->string);
+ } else {
+ if (mdoc->meta.os_e == MANDOC_OS_NETBSD)
+ mandoc_msg(MANDOCERR_MDOCDATE, n->line,
+ n->pos, "Dd %s (NetBSD)", n->string);
+ }
+}
+
+enum roff_sec
+mdoc_a2sec(const char *p)
+{
+ int i;
+
+ for (i = 0; i < (int)SEC__MAX; i++)
+ if (secnames[i] && 0 == strcmp(p, secnames[i]))
+ return (enum roff_sec)i;
+
+ return SEC_CUSTOM;
+}
+
+static size_t
+macro2len(enum roff_tok macro)
+{
+
+ switch (macro) {
+ case MDOC_Ad:
+ return 12;
+ case MDOC_Ao:
+ return 12;
+ case MDOC_An:
+ return 12;
+ case MDOC_Aq:
+ return 12;
+ case MDOC_Ar:
+ return 12;
+ case MDOC_Bo:
+ return 12;
+ case MDOC_Bq:
+ return 12;
+ case MDOC_Cd:
+ return 12;
+ case MDOC_Cm:
+ return 10;
+ case MDOC_Do:
+ return 10;
+ case MDOC_Dq:
+ return 12;
+ case MDOC_Dv:
+ return 12;
+ case MDOC_Eo:
+ return 12;
+ case MDOC_Em:
+ return 10;
+ case MDOC_Er:
+ return 17;
+ case MDOC_Ev:
+ return 15;
+ case MDOC_Fa:
+ return 12;
+ case MDOC_Fl:
+ return 10;
+ case MDOC_Fo:
+ return 16;
+ case MDOC_Fn:
+ return 16;
+ case MDOC_Ic:
+ return 10;
+ case MDOC_Li:
+ return 16;
+ case MDOC_Ms:
+ return 6;
+ case MDOC_Nm:
+ return 10;
+ case MDOC_No:
+ return 12;
+ case MDOC_Oo:
+ return 10;
+ case MDOC_Op:
+ return 14;
+ case MDOC_Pa:
+ return 32;
+ case MDOC_Pf:
+ return 12;
+ case MDOC_Po:
+ return 12;
+ case MDOC_Pq:
+ return 12;
+ case MDOC_Ql:
+ return 16;
+ case MDOC_Qo:
+ return 12;
+ case MDOC_So:
+ return 12;
+ case MDOC_Sq:
+ return 12;
+ case MDOC_Sy:
+ return 6;
+ case MDOC_Sx:
+ return 16;
+ case MDOC_Tn:
+ return 10;
+ case MDOC_Va:
+ return 12;
+ case MDOC_Vt:
+ return 12;
+ case MDOC_Xr:
+ return 10;
+ default:
+ break;
+ };
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-16 11:24:46 +0000