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freebsd-skq/contrib/mdocml/mdoc_validate.c
bapt a6f1e1ee5b Import mandoc snapshot 2017-06-08 
It implements missing man(7) macros used in base by kerberos/ntp and makes them
supported by mandoc.

This import should have been done before the removal of groff.

Reported by:	gordon
2017-06-08 19:40:00 +00:00

2552 lines
55 KiB
C
Raw Blame History

/* $Id: mdoc_validate.c,v 1.332 2017/06/08 00:23:30 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
* 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.
*/
#include "config.h"
#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 "roff.h"
#include "mdoc.h"
#include "libmandoc.h"
#include "roff_int.h"
#include "libmdoc.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_text(struct roff_man *, int, int, char *);
static void check_bsd(struct roff_man *, int, int, char *);
static void check_argv(struct roff_man *,
struct roff_node *, struct mdoc_argv *);
static void check_args(struct roff_man *, struct roff_node *);
static int child_an(const struct roff_node *);
static size_t macro2len(enum roff_tok);
static void rewrite_macro2len(struct roff_man *, char **);
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_dt(POST_ARGS);
static void post_en(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_fn(POST_ARGS);
static void post_fname(POST_ARGS);
static void post_fo(POST_ARGS);
static void post_hyph(POST_ARGS);
static void post_ignpar(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_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_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_ignpar, /* Ss */
post_par, /* Pp */
post_display, /* D1 */
post_display, /* Dl */
post_display, /* Bd */
NULL, /* Ed */
post_bl, /* Bl */
NULL, /* El */
post_it, /* It */
NULL, /* Ad */
post_an, /* An */
NULL, /* Ap */
post_defaults, /* Ar */
NULL, /* Cd */
NULL, /* Cm */
NULL, /* Dv */
NULL, /* Er */
NULL, /* Ev */
post_ex, /* Ex */
post_fa, /* Fa */
NULL, /* Fd */
NULL, /* Fl */
post_fn, /* Fn */
NULL, /* Ft */
NULL, /* Ic */
NULL, /* In */
post_defaults, /* Li */
post_nd, /* Nd */
post_nm, /* Nm */
NULL, /* Op */
post_obsolete, /* Ot */
post_defaults, /* Pa */
post_rv, /* Rv */
post_st, /* St */
NULL, /* Va */
NULL, /* 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 */
NULL, /* 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 */
NULL, /* Em */
NULL, /* Eo */
post_xx, /* Fx */
NULL, /* Ms */
NULL, /* No */
post_ns, /* Ns */
post_xx, /* Nx */
post_xx, /* Ox */
NULL, /* Pc */
NULL, /* Pf */
NULL, /* Po */
NULL, /* Pq */
NULL, /* Qc */
NULL, /* Ql */
NULL, /* Qo */
NULL, /* Qq */
NULL, /* Re */
post_rs, /* Rs */
NULL, /* Sc */
NULL, /* So */
NULL, /* Sq */
post_sm, /* Sm */
post_hyph, /* Sx */
NULL, /* 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 */
NULL, /* Hf */
post_obsolete, /* Fr */
post_eoln, /* Ud */
post_lb, /* Lb */
post_par, /* Lp */
NULL, /* Lk */
post_defaults, /* Mt */
NULL, /* Brq */
NULL, /* Bro */
NULL, /* Brc */
NULL, /* %C */
post_es, /* Es */
post_en, /* En */
post_xx, /* Dx */
NULL, /* %Q */
NULL, /* %U */
NULL, /* Ta */
};
static const v_post *const mdoc_valids = __mdoc_valids - MDOC_Dd;
#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
};
void
mdoc_node_validate(struct roff_man *mdoc)
{
struct roff_node *n;
const v_post *p;
n = mdoc->last;
mdoc->last = mdoc->last->child;
while (mdoc->last != NULL) {
mdoc_node_validate(mdoc);
if (mdoc->last == n)
mdoc->last = mdoc->last->child;
else
mdoc->last = mdoc->last->next;
}
mdoc->last = n;
mdoc->next = ROFF_NEXT_SIBLING;
switch (n->type) {
case ROFFT_TEXT:
if (n->sec != SEC_SYNOPSIS ||
(n->parent->tok != MDOC_Cd && n->parent->tok != MDOC_Fd))
check_text(mdoc, n->line, n->pos, n->string);
if (n->parent->tok == MDOC_Sh ||
n->parent->tok == MDOC_Ss ||
n->parent->tok == MDOC_It)
check_bsd(mdoc, n->line, n->pos, n->string);
break;
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) {
switch(n->tok) {
case ROFF_br:
case ROFF_sp:
post_par(mdoc);
break;
default:
roff_validate(mdoc);
break;
}
break;
}
assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
p = mdoc_valids + n->tok;
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_LITERAL & mdoc->flags)
return;
for (cp = p; NULL != (p = strchr(p, '\t')); p++)
mandoc_msg(MANDOCERR_FI_TAB, mdoc->parse,
ln, pos + (int)(p - cp), NULL);
}
static void
check_bsd(struct roff_man *mdoc, int ln, int pos, char *p)
{
const char *cp;
if ((cp = strstr(p, "OpenBSD")) != NULL)
mandoc_msg(MANDOCERR_BX, mdoc->parse,
ln, pos + (cp - p), "Ox");
if ((cp = strstr(p, "NetBSD")) != NULL)
mandoc_msg(MANDOCERR_BX, mdoc->parse,
ln, pos + (cp - p), "Nx");
if ((cp = strstr(p, "FreeBSD")) != NULL)
mandoc_msg(MANDOCERR_BX, mdoc->parse,
ln, pos + (cp - p), "Fx");
if ((cp = strstr(p, "DragonFly")) != NULL)
mandoc_msg(MANDOCERR_BX, mdoc->parse,
ln, pos + (cp - p), "Dx");
}
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,
mdoc->parse, 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,
mdoc->parse, argv->line,
argv->pos, "Bl -width");
n->norm->Bl.width = "0n";
break;
}
if (NULL != n->norm->Bl.width)
mandoc_vmsg(MANDOCERR_ARG_REP,
mdoc->parse, 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,
mdoc->parse, argv->line,
argv->pos, "Bl -offset");
break;
}
if (NULL != n->norm->Bl.offs)
mandoc_vmsg(MANDOCERR_ARG_REP,
mdoc->parse, 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_vmsg(MANDOCERR_BL_REP,
mdoc->parse, 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_vmsg(MANDOCERR_BL_LATETYPE,
mdoc->parse, 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, mdoc->parse,
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 (NULL == n->norm->Bl.width)
mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse,
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)
mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse,
wa->line, wa->pos, "Bl -%s",
mdoc_argnames[mdoclt]);
break;
case LIST_bullet:
case LIST_dash:
case LIST_hyphen:
if (NULL == n->norm->Bl.width)
n->norm->Bl.width = "2n";
break;
case LIST_enum:
if (NULL == n->norm->Bl.width)
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, mdoc->parse,
n->line, n->pos, NULL);
break;
case MDOC_Offset:
if (0 == argv->sz) {
mandoc_msg(MANDOCERR_ARG_EMPTY,
mdoc->parse, argv->line,
argv->pos, "Bd -offset");
break;
}
if (NULL != n->norm->Bd.offs)
mandoc_vmsg(MANDOCERR_ARG_REP,
mdoc->parse, 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,
mdoc->parse, 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_vmsg(MANDOCERR_BD_REP,
mdoc->parse, n->line, n->pos,
"Bd -%s", mdoc_argnames[argv->arg]);
}
if (DISP__NONE == n->norm->Bd.type) {
mandoc_msg(MANDOCERR_BD_NOTYPE, mdoc->parse,
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_vmsg(MANDOCERR_AN_REP,
mdoc->parse, 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_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse, 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;
mdoc_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, mdoc->parse,
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;
const char *p;
n = mdoc->last;
assert(n->child->type == ROFFT_TEXT);
mdoc->next = ROFF_NEXT_CHILD;
if ((p = mdoc_a2lib(n->child->string)) != NULL) {
n->child->flags |= NODE_NOPRT;
roff_word_alloc(mdoc, n->line, n->pos, p);
mdoc->last->flags = NODE_NOSRC;
mdoc->last = n;
return;
}
mandoc_vmsg(MANDOCERR_LB_BAD, mdoc->parse, n->child->line,
n->child->pos, "Lb %s", n->child->string);
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;
n = mdoc->last;
if (n->args && n->args->argc == 1)
if (n->args->argv[0].arg == MDOC_Std)
return;
mandoc_msg(MANDOCERR_ARG_STD, mdoc->parse,
n->line, n->pos, 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_vmsg(MANDOCERR_ST_BAD, mdoc->parse,
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_obsolete(POST_ARGS)
{
struct roff_node *n;
n = mdoc->last;
if (n->type == ROFFT_ELEM || n->type == ROFFT_BLOCK)
mandoc_msg(MANDOCERR_MACRO_OBS, mdoc->parse,
n->line, n->pos, roff_name[n->tok]);
}
static void
post_useless(POST_ARGS)
{
struct roff_node *n;
n = mdoc->last;
mandoc_msg(MANDOCERR_MACRO_USELESS, mdoc->parse,
n->line, n->pos, 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, mdoc->parse,
np->line, np->pos, "Bf");
return;
}
nch = nch->next;
}
if (nch != NULL)
mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
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_vmsg(MANDOCERR_BF_BADFONT, mdoc->parse,
np->child->line, np->child->pos,
"Bf %s", np->child->string);
}
static void
post_fname(POST_ARGS)
{
const struct roff_node *n;
const char *cp;
size_t pos;
n = mdoc->last->child;
pos = strcspn(n->string, "()");
cp = n->string + pos;
if ( ! (cp[0] == '\0' || (cp[0] == '(' && cp[1] == '*')))
mandoc_msg(MANDOCERR_FN_PAREN, mdoc->parse,
n->line, n->pos + pos, n->string);
}
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, mdoc->parse,
n->line, n->pos, "Fo");
return;
}
if (n->child != n->last) {
mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
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);
}
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, mdoc->parse,
n->line, n->pos + (cp - n->string),
n->string);
break;
}
}
}
static void
post_nm(POST_ARGS)
{
struct roff_node *n;
n = mdoc->last;
if (n->last != NULL &&
(n->last->tok == MDOC_Pp ||
n->last->tok == MDOC_Lp))
mdoc_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, mdoc->parse,
n->line, n->pos, "Nm");
if ((n->type != ROFFT_ELEM && n->type != ROFFT_HEAD) ||
(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;
size_t sz;
n = mdoc->last;
if (n->type != ROFFT_BODY)
return;
if (n->sec != SEC_NAME)
mandoc_msg(MANDOCERR_ND_LATE, mdoc->parse,
n->line, n->pos, "Nd");
if (n->child == NULL)
mandoc_msg(MANDOCERR_ND_EMPTY, mdoc->parse,
n->line, n->pos, "Nd");
else if (n->last->type == ROFFT_TEXT &&
(sz = strlen(n->last->string)) != 0 &&
n->last->string[sz - 1] == '.')
mandoc_msg(MANDOCERR_ND_DOT, mdoc->parse,
n->last->line, n->last->pos + sz - 1, NULL);
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, mdoc->parse,
n->line, n->pos, 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,
mdoc->parse, n->line, n->pos, "Bd");
mdoc->next = ROFF_NEXT_SIBLING;
while (n->body->child != NULL)
mdoc_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_vmsg(MANDOCERR_BD_NEST,
mdoc->parse, n->line, n->pos,
"%s in Bd", roff_name[n->tok]);
break;
}
}
break;
default:
break;
}
}
static void
post_defaults(POST_ARGS)
{
struct roff_node *nn;
/*
* The `Ar' defaults to "file ..." if no value is provided as an
* argument; the `Mt' and `Pa' macros use "~"; the `Li' just
* gets an empty string.
*/
if (mdoc->last->child != NULL)
return;
nn = mdoc->last;
switch (nn->tok) {
case MDOC_Ar:
mdoc->next = ROFF_NEXT_CHILD;
roff_word_alloc(mdoc, nn->line, nn->pos, "file");
mdoc->last->flags |= NODE_NOSRC;
roff_word_alloc(mdoc, nn->line, nn->pos, "...");
mdoc->last->flags |= NODE_NOSRC;
break;
case MDOC_Pa:
case MDOC_Mt:
mdoc->next = ROFF_NEXT_CHILD;
roff_word_alloc(mdoc, nn->line, nn->pos, "~");
mdoc->last->flags |= NODE_NOSRC;
break;
default:
abort();
}
mdoc->last = nn;
}
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_vmsg(MANDOCERR_AT_BAD, mdoc->parse,
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, mdoc->parse,
np->line, np->pos, "An");
} else if (nch != NULL)
mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
nch->line, nch->pos, "An ... %s", nch->string);
}
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_es(POST_ARGS)
{
post_obsolete(mdoc);
mdoc->last_es = mdoc->last;
}
static void
post_xx(POST_ARGS)
{
struct roff_node *n;
const char *os;
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";
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_vmsg(MANDOCERR_IT_NOHEAD,
mdoc->parse, 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_vmsg(MANDOCERR_IT_NOBODY,
mdoc->parse, 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_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
nit->line, nit->pos, "It %s",
nch->string == NULL ? roff_name[nch->tok] :
nch->string);
break;
case LIST_column:
cols = (int)nbl->norm->Bl.ncols;
assert(nit->head->child == NULL);
i = 0;
for (nch = nit->child; nch != NULL; nch = nch->next)
if (nch->type == ROFFT_BODY)
i++;
if (i < cols || i > cols + 1)
mandoc_vmsg(MANDOCERR_BL_COL,
mdoc->parse, nit->line, nit->pos,
"%d columns, %d cells", cols, i);
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 MDOC_Lp:
case ROFF_br:
break;
default:
nc = NULL;
continue;
}
if (ni->next == NULL) {
mandoc_msg(MANDOCERR_PAR_MOVE,
mdoc->parse, nc->line, nc->pos,
roff_name[nc->tok]);
mdoc_node_relink(mdoc, nc);
} else if (n->norm->Bl.comp == 0 &&
n->norm->Bl.type != LIST_column) {
mandoc_vmsg(MANDOCERR_PAR_SKIP,
mdoc->parse, 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_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
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 *nparent, *nprev; /* of the Bl block */
struct roff_node *nblock, *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;
nchild = nbody->child;
if (nchild == NULL) {
mandoc_msg(MANDOCERR_BLK_EMPTY, mdoc->parse,
nbody->line, nbody->pos, "Bl");
return;
}
while (nchild != NULL) {
nnext = nchild->next;
if (nchild->tok == MDOC_It ||
(nchild->tok == MDOC_Sm &&
nnext != NULL && nnext->tok == MDOC_It)) {
nchild = nnext;
continue;
}
/*
* 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, which cannot be moved
* out of the list. In that case, wrap such roff nodes
* into an implicit row.
*/
if (nchild->prev != NULL) {
mdoc->last = nchild;
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) {
mdoc_node_relink(mdoc, nchild);
if ((nchild = nnext) == NULL)
break;
nnext = nchild->next;
mdoc->next = ROFF_NEXT_SIBLING;
}
mdoc->last = nbody;
continue;
}
mandoc_msg(MANDOCERR_BL_MOVE, mdoc->parse,
nchild->line, nchild->pos, roff_name[nchild->tok]);
/*
* Move the node out of the Bl block.
* First, collect all required node pointers.
*/
nblock = nbody->parent;
nprev = nblock->prev;
nparent = nblock->parent;
/*
* Unlink this child.
*/
nbody->child = nnext;
if (nnext == NULL)
nbody->last = NULL;
else
nnext->prev = NULL;
/*
* Relink this child.
*/
nchild->parent = nparent;
nchild->prev = nprev;
nchild->next = nblock;
nblock->prev = nchild;
if (nprev == NULL)
nparent->child = nchild;
else
nprev->next = nchild;
nchild = nnext;
}
if (mdoc->meta.os_e != MDOC_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_vmsg(MANDOCERR_ER_ORDER,
mdoc->parse, nnext->line, nnext->pos,
"Er %s %s", prev_Er, nnext->string);
else if (order == 0)
mandoc_vmsg(MANDOCERR_ER_REP,
mdoc->parse, nnext->line, nnext->pos,
"Er %s", 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,
mdoc->parse, 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_vmsg(MANDOCERR_SM_BAD,
mdoc->parse, nch->line, nch->pos,
"%s %s", roff_name[mdoc->last->tok], nch->string);
mdoc_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 = mdoc->quick ?
mandoc_strdup("") :
mandoc_normdate(mdoc->parse, NULL, 0, 0);
if (mdoc->meta.title == NULL) {
mandoc_msg(MANDOCERR_DT_NOTITLE,
mdoc->parse, 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,
mdoc->parse, 0, 0, NULL);
mdoc->meta.os = mandoc_strdup("");
}
/* Check that we begin with a proper `Sh'. */
n = mdoc->first->child;
while (n != NULL && n->tok != TOKEN_NONE &&
mdoc_macros[n->tok].flags & MDOC_PROLOGUE)
n = n->next;
if (n == NULL)
mandoc_msg(MANDOCERR_DOC_EMPTY, mdoc->parse, 0, 0, NULL);
else if (n->tok != MDOC_Sh)
mandoc_msg(MANDOCERR_SEC_BEFORE, mdoc->parse,
n->line, n->pos, 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, mdoc->parse,
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, mdoc->parse,
nch->line, nch->pos, 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 *nch;
char *cp;
for (nch = mdoc->last->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]))
*cp = ASCII_HYPH;
}
}
static void
post_ns(POST_ARGS)
{
if (mdoc->last->flags & NODE_LINE)
mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse,
mdoc->last->line, mdoc->last->pos, NULL);
}
static void
post_sh(POST_ARGS)
{
post_ignpar(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_vmsg(MANDOCERR_NAMESEC_PUNCT,
mdoc->parse, 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,
mdoc->parse, 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, mdoc->parse,
n->line, n->pos, roff_name[n->tok]);
continue;
}
break;
}
if ( ! hasnm)
mandoc_msg(MANDOCERR_NAMESEC_NONM, mdoc->parse,
mdoc->last->line, mdoc->last->pos, NULL);
if ( ! hasnd)
mandoc_msg(MANDOCERR_NAMESEC_NOND, mdoc->parse,
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_vmsg(MANDOCERR_XR_PUNCT,
mdoc->parse, n->line, n->pos,
"%s before %s(%s)", lastpunct,
name, sec);
cmp = strcmp(lastsec, sec);
if (cmp > 0)
mandoc_vmsg(MANDOCERR_XR_ORDER,
mdoc->parse, n->line, n->pos,
"%s(%s) after %s(%s)", name,
sec, lastname, lastsec);
else if (cmp == 0 &&
strcasecmp(lastname, name) > 0)
mandoc_vmsg(MANDOCERR_XR_ORDER,
mdoc->parse, 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_vmsg(MANDOCERR_XR_PUNCT, mdoc->parse,
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->parse,
mdoc->last->line, mdoc->last->pos, NULL);
}
static void
post_sh_head(POST_ARGS)
{
struct roff_node *nch;
const char *goodsec;
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_vmsg(MANDOCERR_NAMESEC_FIRST, mdoc->parse,
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;
}
/* Mark our last section. */
mdoc->lastsec = sec;
/* We don't care about custom sections after this. */
if (sec == SEC_CUSTOM)
return;
/*
* Check whether our non-custom section is being repeated or is
* out of order.
*/
if (sec == mdoc->lastnamed)
mandoc_vmsg(MANDOCERR_SEC_REP, mdoc->parse,
mdoc->last->line, mdoc->last->pos,
"Sh %s", secnames[sec]);
if (sec < mdoc->lastnamed)
mandoc_vmsg(MANDOCERR_SEC_ORDER, mdoc->parse,
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_vmsg(MANDOCERR_SEC_MSEC, mdoc->parse,
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_vmsg(MANDOCERR_XR_NOSEC, mdoc->parse,
n->line, n->pos, "Xr %s", nch->string);
return;
}
assert(nch->next == n->last);
}
static void
post_ignpar(POST_ARGS)
{
struct roff_node *np;
switch (mdoc->last->type) {
case ROFFT_BLOCK:
post_prevpar(mdoc);
return;
case ROFFT_HEAD:
post_hyph(mdoc);
return;
case ROFFT_BODY:
break;
default:
return;
}
if ((np = mdoc->last->child) != NULL)
if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) {
mandoc_vmsg(MANDOCERR_PAR_SKIP,
mdoc->parse, np->line, np->pos,
"%s after %s", roff_name[np->tok],
roff_name[mdoc->last->tok]);
roff_node_delete(mdoc, np);
}
if ((np = mdoc->last->last) != NULL)
if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) {
mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
np->line, np->pos, "%s at the end of %s",
roff_name[np->tok],
roff_name[mdoc->last->tok]);
roff_node_delete(mdoc, np);
}
}
static void
post_prevpar(POST_ARGS)
{
struct roff_node *n;
n = mdoc->last;
if (NULL == n->prev)
return;
if (n->type != ROFFT_ELEM && n->type != ROFFT_BLOCK)
return;
/*
* Don't allow prior `Lp' or `Pp' prior to a paragraph-type
* block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
*/
if (n->prev->tok != MDOC_Pp &&
n->prev->tok != MDOC_Lp &&
n->prev->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_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
n->prev->line, n->prev->pos, "%s before %s",
roff_name[n->prev->tok], roff_name[n->tok]);
roff_node_delete(mdoc, n->prev);
}
static void
post_par(POST_ARGS)
{
struct roff_node *np;
np = mdoc->last;
if (np->tok != ROFF_br && np->tok != ROFF_sp)
post_prevpar(mdoc);
if (np->tok == ROFF_sp) {
if (np->child != NULL && np->child->next != NULL)
mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
np->child->next->line, np->child->next->pos,
"sp ... %s", np->child->next->string);
} else if (np->child != NULL)
mandoc_vmsg(MANDOCERR_ARG_SKIP,
mdoc->parse, np->line, np->pos, "%s %s",
roff_name[np->tok], np->child->string);
if ((np = mdoc->last->prev) == NULL) {
np = mdoc->last->parent;
if (np->tok != MDOC_Sh && np->tok != MDOC_Ss)
return;
} else if (np->tok != MDOC_Pp && np->tok != MDOC_Lp &&
(mdoc->last->tok != ROFF_br ||
(np->tok != ROFF_sp && np->tok != ROFF_br)))
return;
mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
mdoc->last->line, mdoc->last->pos, "%s after %s",
roff_name[mdoc->last->tok], roff_name[np->tok]);
roff_node_delete(mdoc, mdoc->last);
}
static void
post_dd(POST_ARGS)
{
struct roff_node *n;
char *datestr;
n = mdoc->last;
n->flags |= NODE_NOPRT;
if (mdoc->meta.date != NULL) {
mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
n->line, n->pos, "Dd");
free(mdoc->meta.date);
} else if (mdoc->flags & MDOC_PBODY)
mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
n->line, n->pos, "Dd");
else if (mdoc->meta.title != NULL)
mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
n->line, n->pos, "Dd after Dt");
else if (mdoc->meta.os != NULL)
mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
n->line, n->pos, "Dd after Os");
if (n->child == NULL || n->child->string[0] == '\0') {
mdoc->meta.date = mdoc->quick ? mandoc_strdup("") :
mandoc_normdate(mdoc->parse, NULL, n->line, n->pos);
return;
}
datestr = NULL;
deroff(&datestr, n);
if (mdoc->quick)
mdoc->meta.date = datestr;
else {
mdoc->meta.date = mandoc_normdate(mdoc->parse,
datestr, n->line, n->pos);
free(datestr);
}
}
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, mdoc->parse,
n->line, n->pos, "Dt");
return;
}
if (mdoc->meta.title != NULL)
mandoc_msg(MANDOCERR_PROLOG_REP, mdoc->parse,
n->line, n->pos, "Dt");
else if (mdoc->meta.os != NULL)
mandoc_msg(MANDOCERR_PROLOG_ORDER, mdoc->parse,
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,
mdoc->parse, 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_vmsg(MANDOCERR_TITLE_CASE,
mdoc->parse, nn->line,
nn->pos + (p - nn->string),
"Dt %s", nn->string);
break;
}
}
/* Mandatory second argument: section. */
if (nn != NULL)
nn = nn->next;
if (nn == NULL) {
mandoc_vmsg(MANDOCERR_MSEC_MISSING,
mdoc->parse, 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_vmsg(MANDOCERR_MSEC_BAD, mdoc->parse,
nn->line, nn->pos, "Dt ... %s", nn->string);
mdoc->meta.vol = mandoc_strdup(nn->string);
} else
mdoc->meta.vol = mandoc_strdup(cp);
/* 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_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
nn->line, nn->pos, "Dt ... %s", nn->string);
}
static void
post_bx(POST_ARGS)
{
struct roff_node *n, *nch;
const char *macro;
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, mdoc->parse,
n->line, n->pos, 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, mdoc->parse,
n->line, n->pos, "Os");
else if (mdoc->flags & MDOC_PBODY)
mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
n->line, n->pos, "Os");
/*
* 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->defos) {
mdoc->meta.os = mandoc_strdup(mdoc->defos);
goto out;
}
#ifdef OSNAME
mdoc->meta.os = mandoc_strdup(OSNAME);
#else /*!OSNAME */
if (defbuf == NULL) {
if (uname(&utsname) == -1) {
mandoc_msg(MANDOCERR_OS_UNAME, mdoc->parse,
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: mdoc->meta.os_e = strstr(mdoc->meta.os, "OpenBSD") != NULL ?
MDOC_OS_OPENBSD : strstr(mdoc->meta.os, "NetBSD") != NULL ?
MDOC_OS_NETBSD : MDOC_OS_OTHER;
}
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;
}
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