-/* $Id: mdoc_validate.c,v 1.340 2017/06/24 14:38:33 schwarze Exp $ */
+/* $Id: mdoc_validate.c,v 1.364 2018/12/04 02:53:51 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2018 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2010 Joerg Sonnenberger <joerg@netbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
#include "mandoc_aux.h"
#include "mandoc.h"
+#include "mandoc_xr.h"
#include "roff.h"
#include "mdoc.h"
#include "libmandoc.h"
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_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);
static void post_an(POST_ARGS);
static void post_an_norm(POST_ARGS);
static void post_at(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_en(POST_ARGS);
static void post_es(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_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] = {
+static const v_post mdoc_valids[MDOC_MAX - MDOC_Dd] = {
post_dd, /* Dd */
post_dt, /* Dt */
post_os, /* Os */
post_bl, /* Bl */
NULL, /* El */
post_it, /* It */
- post_delim, /* Ad */
+ post_delim_nb, /* Ad */
post_an, /* An */
NULL, /* Ap */
post_defaults, /* Ar */
NULL, /* Cd */
- post_delim, /* Cm */
- post_delim, /* Dv */
- post_delim, /* Er */
- post_delim, /* Ev */
+ post_delim_nb, /* Cm */
+ post_delim_nb, /* Dv */
+ post_delim_nb, /* Er */
+ post_delim_nb, /* Ev */
post_ex, /* Ex */
post_fa, /* Fa */
NULL, /* Fd */
- post_delim, /* Fl */
+ post_delim_nb, /* Fl */
post_fn, /* Fn */
- post_delim, /* Ft */
- post_delim, /* Ic */
- post_delim, /* In */
+ post_delim_nb, /* Ft */
+ post_delim_nb, /* Ic */
+ post_delim_nb, /* In */
post_defaults, /* Li */
post_nd, /* Nd */
post_nm, /* Nm */
- post_delim, /* Op */
- post_obsolete, /* Ot */
+ post_delim_nb, /* Op */
+ post_abort, /* Ot */
post_defaults, /* Pa */
post_rv, /* Rv */
post_st, /* St */
- post_delim, /* Va */
- post_delim, /* Vt */
+ post_delim_nb, /* Va */
+ post_delim_nb, /* Vt */
post_xr, /* Xr */
NULL, /* %A */
post_hyph, /* %B */ /* FIXME: can be used outside Rs/Re. */
post_hyph, /* %T */ /* FIXME: can be used outside Rs/Re. */
NULL, /* %V */
NULL, /* Ac */
- post_delim, /* Ao */
- post_delim, /* Aq */
+ NULL, /* Ao */
+ post_delim_nb, /* Aq */
post_at, /* At */
NULL, /* Bc */
post_bf, /* Bf */
- post_delim, /* Bo */
+ NULL, /* Bo */
NULL, /* Bq */
post_xx, /* Bsx */
post_bx, /* Bx */
NULL, /* Dq */
NULL, /* Ec */
NULL, /* Ef */
- post_delim, /* Em */
+ post_delim_nb, /* Em */
NULL, /* Eo */
post_xx, /* Fx */
- post_delim, /* Ms */
+ post_delim_nb, /* Ms */
NULL, /* No */
post_ns, /* Ns */
post_xx, /* Nx */
post_xx, /* Ox */
NULL, /* Pc */
NULL, /* Pf */
- post_delim, /* Po */
- post_delim, /* Pq */
+ NULL, /* Po */
+ post_delim_nb, /* Pq */
NULL, /* Qc */
- post_delim, /* Ql */
- post_delim, /* Qo */
- post_delim, /* Qq */
+ post_delim_nb, /* Ql */
+ NULL, /* Qo */
+ post_delim_nb, /* Qq */
NULL, /* Re */
post_rs, /* Rs */
NULL, /* Sc */
- post_delim, /* So */
- post_delim, /* Sq */
+ NULL, /* So */
+ post_delim_nb, /* Sq */
post_sm, /* Sm */
- post_hyph, /* Sx */
- post_delim, /* Sy */
+ post_sx, /* Sx */
+ post_delim_nb, /* Sy */
post_useless, /* Tn */
post_xx, /* Ux */
NULL, /* Xc */
NULL, /* Xo */
post_fo, /* Fo */
NULL, /* Fc */
- post_delim, /* Oo */
+ NULL, /* Oo */
NULL, /* Oc */
post_bk, /* Bk */
NULL, /* Ek */
post_obsolete, /* Fr */
post_eoln, /* Ud */
post_lb, /* Lb */
- post_par, /* Lp */
- post_delim, /* Lk */
+ post_abort, /* Lp */
+ post_delim_nb, /* Lk */
post_defaults, /* Mt */
- post_delim, /* Brq */
- post_delim, /* Bro */
+ post_delim_nb, /* Brq */
+ NULL, /* Bro */
NULL, /* Brc */
NULL, /* %C */
post_es, /* Es */
NULL, /* %U */
NULL, /* Ta */
};
-static const v_post *const mdoc_valids = __mdoc_valids - MDOC_Dd;
#define RSORD_MAX 14 /* Number of `Rs' blocks. */
};
+/* Validate the subtree rooted at mdoc->last. */
void
mdoc_node_validate(struct roff_man *mdoc)
{
- struct roff_node *n;
+ 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_node_validate(mdoc);
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 ||
- (n->parent->tok != MDOC_Cd && n->parent->tok != MDOC_Fd))
+ (np->tok != MDOC_Cd && np->tok != MDOC_Fd))
check_text(mdoc, n->line, n->pos, n->string);
- if (n->parent->tok == MDOC_It ||
- (n->parent->type == ROFFT_BODY &&
- (n->parent->tok == MDOC_Sh ||
- n->parent->tok == MDOC_Ss)))
+ if (np->tok != MDOC_Ql && np->tok != MDOC_Dl &&
+ (np->tok != MDOC_Bd ||
+ (mdoc->flags & MDOC_LITERAL) == 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;
/* 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;
- }
+ roff_validate(mdoc);
break;
}
assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
- p = mdoc_valids + n->tok;
+ p = mdoc_valids + (n->tok - MDOC_Dd);
if (*p)
(*p)(mdoc);
if (mdoc->last == n)
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, mdoc->parse,
+ ln, pos + (int)(cp - p) - 1, NULL);
+ break;
+ }
+ }
+}
+
static void
check_toptext(struct roff_man *mdoc, int ln, int pos, const char *p)
{
}
}
+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_vmsg(MANDOCERR_DELIM, mdoc->parse,
+ nch->line, nch->pos + (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;
/* At least three alphabetic words with a sentence ending. */
if (strchr("!.:?", *lc) != NULL && (tok == MDOC_Em ||
- tok == MDOC_Li || tok == MDOC_Po || tok == MDOC_Pq ||
- tok == MDOC_Sy)) {
+ tok == MDOC_Li || tok == MDOC_Pq || tok == MDOC_Sy)) {
nw = 0;
for (cp = lc - 1; cp >= nch->string; cp--) {
if (*cp == ' ') {
}
}
- mandoc_vmsg(MANDOCERR_DELIM, mdoc->parse,
+ mandoc_vmsg(MANDOCERR_DELIM_NB, mdoc->parse,
nch->line, nch->pos + (lc - nch->string),
"%s%s %s", roff_name[tok],
nch == mdoc->last->child ? "" : " ...", nch->string);
switch (n->norm->Bl.type) {
case LIST_tag:
- if (NULL == n->norm->Bl.width)
+ if (n->norm->Bl.width == NULL)
mandoc_msg(MANDOCERR_BL_NOWIDTH, mdoc->parse,
n->line, n->pos, "Bl -tag");
break;
case LIST_ohang:
case LIST_inset:
case LIST_item:
- if (n->norm->Bl.width)
+ if (n->norm->Bl.width != NULL)
mandoc_vmsg(MANDOCERR_BL_SKIPW, mdoc->parse,
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 (NULL == n->norm->Bl.width)
+ if (n->norm->Bl.width == NULL)
n->norm->Bl.width = "2n";
break;
case LIST_enum:
- if (NULL == n->norm->Bl.width)
+ if (n->norm->Bl.width == NULL)
n->norm->Bl.width = "3n";
break;
default:
for (ic = 1;; ic++) {
roff_elem_alloc(mdoc, n->line, n->pos, tok);
mdoc->last->flags |= NODE_NOSRC;
- mdoc_node_relink(mdoc, n);
+ roff_node_relink(mdoc, n);
n = mdoc->last = mdoc->last->parent;
mdoc->next = ROFF_NEXT_SIBLING;
if (n->next == NULL)
struct roff_node *n;
const char *p;
- post_delim(mdoc);
+ post_delim_nb(mdoc);
n = mdoc->last;
assert(n->child->type == ROFFT_TEXT);
roff_word_alloc(mdoc, n->line, n->pos, "library");
mdoc->last->flags = NODE_NOSRC;
- roff_word_alloc(mdoc, n->line, n->pos, "\\(Lq");
+ 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");
+ roff_word_alloc(mdoc, n->line, n->pos, "\\(rq");
mdoc->last->flags = NODE_DELIMC | NODE_NOSRC;
mdoc->last = n;
}
{
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)
"Fo ... %s", n->child->next->string);
while (n->child != n->last)
roff_node_delete(mdoc, n->last);
- }
+ } else
+ post_delim(mdoc);
post_fname(mdoc);
}
break;
}
}
- post_delim(mdoc);
+ post_delim_nb(mdoc);
}
static void
n = mdoc->last;
- if (n->last != NULL &&
- (n->last->tok == MDOC_Pp ||
- n->last->tok == MDOC_Lp))
- mdoc_node_relink(mdoc, n->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);
mandoc_msg(MANDOCERR_NM_NONAME, mdoc->parse,
n->line, n->pos, "Nm");
- if (n->type == ROFFT_ELEM)
+ switch (n->type) {
+ case ROFFT_ELEM:
+ post_delim_nb(mdoc);
+ break;
+ case ROFFT_HEAD:
post_delim(mdoc);
+ break;
+ default:
+ return;
+ }
- if ((n->type != ROFFT_ELEM && n->type != ROFFT_HEAD) ||
- (n->child != NULL && n->child->type == ROFFT_TEXT) ||
+ if ((n->child != NULL && n->child->type == ROFFT_TEXT) ||
mdoc->meta.name == NULL)
return;
post_nd(POST_ARGS)
{
struct roff_node *n;
- size_t sz;
n = mdoc->last;
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);
+ else
+ post_delim(mdoc);
post_hyph(mdoc);
}
mdoc->parse, n->line, n->pos, "Bd");
mdoc->next = ROFF_NEXT_SIBLING;
while (n->body->child != NULL)
- mdoc_node_relink(mdoc,
+ roff_node_relink(mdoc,
n->body->child);
roff_node_delete(mdoc, n);
break;
struct roff_node *nn;
if (mdoc->last->child != NULL) {
- post_delim(mdoc);
+ post_delim_nb(mdoc);
return;
}
mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
np->line, np->pos, "An");
else
- post_delim(mdoc);
+ post_delim_nb(mdoc);
} else if (nch != NULL)
mandoc_vmsg(MANDOCERR_ARG_EXCESS, mdoc->parse,
nch->line, nch->pos, "An ... %s", nch->string);
{
struct roff_node *n;
const char *os;
+ char *v;
- post_delim(mdoc);
+ post_delim_nb(mdoc);
n = mdoc->last;
switch (n->tok) {
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";
assert(nit->head->child == NULL);
- i = 0;
- for (nch = nit->child; nch != NULL; nch = nch->next)
- if (nch->type == ROFFT_BODY)
- i++;
+ if (nit->head->next->child == NULL &&
+ nit->head->next->next == NULL) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ 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, mdoc->parse,
+ nch->line, nch->pos, "Ta");
+ }
if (i < cols || i > cols + 1)
mandoc_vmsg(MANDOCERR_BL_COL,
mdoc->parse, nit->line, nit->pos,
"%d columns, %d cells", cols, i);
+ else if (nit->head->next->child != NULL &&
+ nit->head->next->child->line > nit->line)
+ mandoc_msg(MANDOCERR_IT_NOARG, mdoc->parse,
+ nit->line, nit->pos, "Bl -column It");
break;
default:
abort();
while (nc != NULL) {
switch (nc->tok) {
case MDOC_Pp:
- case MDOC_Lp:
case ROFF_br:
break;
default:
mandoc_msg(MANDOCERR_PAR_MOVE,
mdoc->parse, nc->line, nc->pos,
roff_name[nc->tok]);
- mdoc_node_relink(mdoc, nc);
+ roff_node_relink(mdoc, nc);
} else if (n->norm->Bl.comp == 0 &&
n->norm->Bl.type != LIST_column) {
mandoc_vmsg(MANDOCERR_PAR_SKIP,
roff_body_alloc(mdoc, nchild->line,
nchild->pos, MDOC_It);
while (nchild->tok != MDOC_It) {
- mdoc_node_relink(mdoc, nchild);
+ roff_node_relink(mdoc, nchild);
if ((nchild = nnext) == NULL)
break;
nnext = nchild->next;
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);
+ roff_node_relink(mdoc, nch);
return;
}
static void
post_root(POST_ARGS)
{
+ const char *openbsd_arch[] = {
+ "alpha", "amd64", "arm64", "armv7", "hppa", "i386",
+ "landisk", "loongson", "luna88k", "macppc", "mips64",
+ "octeon", "sgi", "socppc", "sparc64", NULL
+ };
+ const char *netbsd_arch[] = {
+ "acorn26", "acorn32", "algor", "alpha", "amiga",
+ "arc", "atari",
+ "bebox", "cats", "cesfic", "cobalt", "dreamcast",
+ "emips", "evbarm", "evbmips", "evbppc", "evbsh3", "evbsh5",
+ "hp300", "hpcarm", "hpcmips", "hpcsh", "hppa",
+ "i386", "ibmnws", "luna68k",
+ "mac68k", "macppc", "mipsco", "mmeye", "mvme68k", "mvmeppc",
+ "netwinder", "news68k", "newsmips", "next68k",
+ "pc532", "playstation2", "pmax", "pmppc", "prep",
+ "sandpoint", "sbmips", "sgimips", "shark",
+ "sparc", "sparc64", "sun2", "sun3",
+ "vax", "walnut", "x68k", "x86", "x86_64", "xen", NULL
+ };
+ const char **arches[] = { NULL, netbsd_arch, openbsd_arch };
+
struct roff_node *n;
+ const char **arch;
/* Add missing prologue data. */
mdoc->meta.os_e == MANDOC_OS_OPENBSD ?
"(OpenBSD)" : "(NetBSD)");
+ if (mdoc->meta.arch != NULL &&
+ (arch = arches[mdoc->meta.os_e]) != NULL) {
+ while (*arch != NULL && strcmp(*arch, mdoc->meta.arch))
+ arch++;
+ if (*arch == NULL) {
+ n = mdoc->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_vmsg(MANDOCERR_ARCH_BAD,
+ mdoc->parse, 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->first->child;
- while (n != NULL && n->tok != TOKEN_NONE &&
- mdoc_macros[n->tok].flags & MDOC_PROLOGUE)
+ while (n != NULL &&
+ (n->type == ROFFT_COMMENT ||
+ (n->tok >= MDOC_Dd &&
+ mdoc_macro(n->tok)->flags & MDOC_PROLOGUE)))
n = n->next;
if (n == NULL)
static void
post_ns(POST_ARGS)
{
+ struct roff_node *n;
- if (mdoc->last->flags & NODE_LINE)
+ n = mdoc->last;
+ if (n->flags & NODE_LINE ||
+ (n->next != NULL && n->next->flags & NODE_DELIMC))
mandoc_msg(MANDOCERR_NS_SKIP, mdoc->parse,
- mdoc->last->line, mdoc->last->pos, NULL);
+ n->line, n->pos, NULL);
+}
+
+static void
+post_sx(POST_ARGS)
+{
+ post_delim(mdoc);
+ post_hyph(mdoc);
}
static void
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;
/*
/* We don't care about custom sections after this. */
- if (sec == SEC_CUSTOM)
+ 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_vmsg(MANDOCERR_SEC_TYPO, mdoc->parse,
+ nch->line, nch->pos, "Sh %s instead of %s",
+ nch->string, goodsec);
return;
+ }
/*
* Check whether our non-custom section is being repeated or is
if (nch->next == NULL) {
mandoc_vmsg(MANDOCERR_XR_NOSEC, mdoc->parse,
n->line, n->pos, "Xr %s", nch->string);
- } else
+ } else {
assert(nch->next == n->last);
- post_delim(mdoc);
+ if(mandoc_xr_add(nch->next->string, nch->string,
+ nch->line, nch->pos))
+ mandoc_vmsg(MANDOCERR_XR_SELF, mdoc->parse,
+ nch->line, nch->pos, "Xr %s %s",
+ nch->string, nch->next->string);
+ }
+ post_delim_nb(mdoc);
}
static void
post_prevpar(mdoc);
return;
case ROFFT_HEAD:
+ post_delim(mdoc);
post_hyph(mdoc);
return;
case ROFFT_BODY:
}
if ((np = mdoc->last->child) != NULL)
- if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) {
+ if (np->tok == MDOC_Pp ||
+ np->tok == ROFF_br || np->tok == ROFF_sp) {
mandoc_vmsg(MANDOCERR_PAR_SKIP,
mdoc->parse, np->line, np->pos,
"%s after %s", roff_name[np->tok],
}
if ((np = mdoc->last->last) != NULL)
- if (np->tok == MDOC_Pp || np->tok == MDOC_Lp) {
+ if (np->tok == MDOC_Pp || np->tok == ROFF_br) {
mandoc_vmsg(MANDOCERR_PAR_SKIP, mdoc->parse,
np->line, np->pos, "%s at the end of %s",
roff_name[np->tok],
return;
/*
- * Don't allow prior `Lp' or `Pp' prior to a paragraph-type
- * block: `Lp', `Pp', or non-compact `Bd' or `Bl'.
+ * Don't allow `Pp' prior to a paragraph-type
+ * block: `Pp' or non-compact `Bd' or `Bl'.
*/
- if (n->prev->tok != MDOC_Pp &&
- n->prev->tok != MDOC_Lp &&
- n->prev->tok != ROFF_br)
+ if (n->prev->tok != MDOC_Pp && n->prev->tok != ROFF_br)
return;
if (n->tok == MDOC_Bl && n->norm->Bl.comp)
return;
{
struct roff_node *np;
- np = mdoc->last;
- if (np->tok != ROFF_br && np->tok != ROFF_sp)
- post_prevpar(mdoc);
+ 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)
+ np = mdoc->last;
+ 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
struct roff_node *n, *nch;
const char *macro;
- post_delim(mdoc);
+ post_delim_nb(mdoc);
n = mdoc->last;
nch = n->child;
mandoc_msg(MANDOCERR_PROLOG_LATE, mdoc->parse,
n->line, n->pos, "Os");
+ post_delim(mdoc);
+
/*
* Set the operating system by way of the `Os' macro.
* The order of precedence is:
* the operating system earlier.
*/
+ if (n->child != NULL)
+ mandoc_vmsg(MANDOCERR_OS_ARG, mdoc->parse,
+ 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;
git.ckatri.com / mandoc.git / blobdiff