-/* $Id: mdoc_macro.c,v 1.123 2013/10/21 23:47:58 schwarze Exp $ */
+/* $Id: mdoc_macro.c,v 1.150 2014/11/28 03:14:18 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
+
+#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
REWIND_ERROR
};
-static int blk_full(MACRO_PROT_ARGS);
-static int blk_exp_close(MACRO_PROT_ARGS);
-static int blk_part_exp(MACRO_PROT_ARGS);
-static int blk_part_imp(MACRO_PROT_ARGS);
-static int ctx_synopsis(MACRO_PROT_ARGS);
-static int in_line_eoln(MACRO_PROT_ARGS);
-static int in_line_argn(MACRO_PROT_ARGS);
-static int in_line(MACRO_PROT_ARGS);
-static int obsolete(MACRO_PROT_ARGS);
-static int phrase_ta(MACRO_PROT_ARGS);
-
-static int dword(struct mdoc *, int, int, const char *,
+static int blk_full(MACRO_PROT_ARGS);
+static int blk_exp_close(MACRO_PROT_ARGS);
+static int blk_part_exp(MACRO_PROT_ARGS);
+static int blk_part_imp(MACRO_PROT_ARGS);
+static int ctx_synopsis(MACRO_PROT_ARGS);
+static int in_line_eoln(MACRO_PROT_ARGS);
+static int in_line_argn(MACRO_PROT_ARGS);
+static int in_line(MACRO_PROT_ARGS);
+static int phrase_ta(MACRO_PROT_ARGS);
+
+static void dword(struct mdoc *, int, int, const char *,
enum mdelim, int);
-static int append_delims(struct mdoc *,
- int, int *, char *);
+static void append_delims(struct mdoc *, int, int *, char *);
static enum mdoct lookup(enum mdoct, const char *);
static enum mdoct lookup_raw(const char *);
static int make_pending(struct mdoc_node *, enum mdoct,
struct mdoc *, int, int);
-static int phrase(struct mdoc *, int, int, char *);
-static enum mdoct rew_alt(enum mdoct);
-static enum rew rew_dohalt(enum mdoct, enum mdoc_type,
- const struct mdoc_node *);
-static int rew_elem(struct mdoc *, enum mdoct);
-static int rew_last(struct mdoc *,
+static int phrase(struct mdoc *, int, int, char *);
+static enum mdoct rew_alt(enum mdoct);
+static enum rew rew_dohalt(enum mdoct, enum mdoc_type,
const struct mdoc_node *);
-static int rew_sub(enum mdoc_type, struct mdoc *,
+static void rew_elem(struct mdoc *, enum mdoct);
+static void rew_last(struct mdoc *, const struct mdoc_node *);
+static void rew_sub(enum mdoc_type, struct mdoc *,
enum mdoct, int, int);
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cd */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
{ blk_full, MDOC_JOIN }, /* Nd */
{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
- { obsolete, 0 }, /* Ot */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
{ in_line_eoln, 0 }, /* Rv */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
- MDOC_IGNDELIM | MDOC_JOIN }, /* No */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* No */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
MDOC_EXPLICIT | MDOC_JOIN }, /* So */
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
- { in_line_eoln, 0 }, /* Sm */
+ { in_line_argn, 0 }, /* Sm */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
{ blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
{ in_line_eoln, 0 }, /* Bt */
{ in_line_eoln, 0 }, /* Hf */
- { obsolete, 0 }, /* Fr */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
{ in_line_eoln, 0 }, /* Ud */
{ in_line, 0 }, /* Lb */
{ in_line_eoln, 0 }, /* Lp */
{ blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
{ in_line_eoln, MDOC_JOIN }, /* %C */
- { obsolete, 0 }, /* Es */
- { obsolete, 0 }, /* En */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
{ in_line_eoln, MDOC_JOIN }, /* %Q */
{ in_line_eoln, 0 }, /* br */
{ in_line_eoln, 0 }, /* sp */
{ in_line_eoln, 0 }, /* %U */
{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
+ { in_line_eoln, MDOC_PROLOGUE }, /* ll */
};
const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
/* Scan for open explicit scopes. */
n = MDOC_VALID & mdoc->last->flags ?
- mdoc->last->parent : mdoc->last;
+ mdoc->last->parent : mdoc->last;
for ( ; n; n = n->parent)
if (MDOC_BLOCK == n->type &&
MDOC_EXPLICIT & mdoc_macros[n->tok].flags)
- mdoc_nmsg(mdoc, n, MANDOCERR_SCOPEEXIT);
+ mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
+ n->line, n->pos, mdoc_macronames[n->tok]);
/* Rewind to the first. */
- return(rew_last(mdoc, mdoc->first));
+ rew_last(mdoc, mdoc->first);
+ return(1);
}
-
/*
* Look up a macro from within a subsequent context.
*/
return(lookup_raw(p));
}
-
/*
* Lookup a macro following the initial line macro.
*/
return(MDOC_MAX);
}
-
-static int
+static void
rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
{
struct mdoc_node *n, *np;
assert(to);
mdoc->next = MDOC_NEXT_SIBLING;
-
- /* LINTED */
while (mdoc->last != to) {
/*
* Save the parent here, because we may delete the
* out to be lost.
*/
np = mdoc->last->parent;
- if ( ! mdoc_valid_post(mdoc))
- return(0);
+ mdoc_valid_post(mdoc);
n = mdoc->last;
mdoc->last = np;
assert(mdoc->last);
mdoc->last->last = n;
}
-
- return(mdoc_valid_post(mdoc));
+ mdoc_valid_post(mdoc);
}
-
/*
* For a block closing macro, return the corresponding opening one.
* Otherwise, return the macro itself.
rew_alt(enum mdoct tok)
{
switch (tok) {
- case (MDOC_Ac):
+ case MDOC_Ac:
return(MDOC_Ao);
- case (MDOC_Bc):
+ case MDOC_Bc:
return(MDOC_Bo);
- case (MDOC_Brc):
+ case MDOC_Brc:
return(MDOC_Bro);
- case (MDOC_Dc):
+ case MDOC_Dc:
return(MDOC_Do);
- case (MDOC_Ec):
+ case MDOC_Ec:
return(MDOC_Eo);
- case (MDOC_Ed):
+ case MDOC_Ed:
return(MDOC_Bd);
- case (MDOC_Ef):
+ case MDOC_Ef:
return(MDOC_Bf);
- case (MDOC_Ek):
+ case MDOC_Ek:
return(MDOC_Bk);
- case (MDOC_El):
+ case MDOC_El:
return(MDOC_Bl);
- case (MDOC_Fc):
+ case MDOC_Fc:
return(MDOC_Fo);
- case (MDOC_Oc):
+ case MDOC_Oc:
return(MDOC_Oo);
- case (MDOC_Pc):
+ case MDOC_Pc:
return(MDOC_Po);
- case (MDOC_Qc):
+ case MDOC_Qc:
return(MDOC_Qo);
- case (MDOC_Re):
+ case MDOC_Re:
return(MDOC_Rs);
- case (MDOC_Sc):
+ case MDOC_Sc:
return(MDOC_So);
- case (MDOC_Xc):
+ case MDOC_Xc:
return(MDOC_Xo);
default:
return(tok);
/* NOTREACHED */
}
-
/*
* Rewinding to tok, how do we have to handle *p?
* REWIND_NONE: *p would delimit tok, but no tok scope is open
* REWIND_ERROR: No tok block is open at all.
*/
static enum rew
-rew_dohalt(enum mdoct tok, enum mdoc_type type,
+rew_dohalt(enum mdoct tok, enum mdoc_type type,
const struct mdoc_node *p)
{
REWIND_ERROR : REWIND_NONE);
/*
- * When starting to rewind, skip plain text
+ * When starting to rewind, skip plain text
* and nodes that have already been rewound.
*/
if (MDOC_TEXT == p->type || MDOC_VALID & p->flags)
/*
* Blocks delimited by our target token get REWIND_MORE.
- * Blocks delimiting our target token get REWIND_NONE.
+ * Blocks delimiting our target token get REWIND_NONE.
*/
switch (tok) {
- case (MDOC_Bl):
+ case MDOC_Bl:
if (MDOC_It == p->tok)
return(REWIND_MORE);
break;
- case (MDOC_It):
+ case MDOC_It:
if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
return(REWIND_NONE);
break;
* This is an incomplete and extremely ugly workaround,
* required to let the OpenBSD tree build.
*/
- case (MDOC_Oo):
+ case MDOC_Oo:
if (MDOC_Op == p->tok)
return(REWIND_MORE);
break;
- case (MDOC_Nm):
+ case MDOC_Nm:
return(REWIND_NONE);
- case (MDOC_Nd):
+ case MDOC_Nd:
/* FALLTHROUGH */
- case (MDOC_Ss):
+ case MDOC_Ss:
if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
return(REWIND_NONE);
/* FALLTHROUGH */
- case (MDOC_Sh):
+ case MDOC_Sh:
+ if (MDOC_ROOT == p->parent->type)
+ return(REWIND_THIS);
if (MDOC_Nd == p->tok || MDOC_Ss == p->tok ||
MDOC_Sh == p->tok)
return(REWIND_MORE);
* Default block rewinding rules.
* In particular, always skip block end markers,
* and let all blocks rewind Nm children.
+ * Do not warn again when closing a block,
+ * since closing the body already warned.
*/
if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok ||
- (MDOC_BLOCK == p->type &&
+ MDOC_BLOCK == type || (MDOC_BLOCK == p->type &&
! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
return(REWIND_MORE);
REWIND_FORCE : REWIND_LATER);
}
-
-static int
+static void
rew_elem(struct mdoc *mdoc, enum mdoct tok)
{
struct mdoc_node *n;
n = n->parent;
assert(MDOC_ELEM == n->type);
assert(tok == n->tok);
-
- return(rew_last(mdoc, n));
+ rew_last(mdoc, n);
}
-
/*
* We are trying to close a block identified by tok,
* but the child block *broken is still open.
taker->pending = broken->pending;
}
broken->pending = breaker;
- mandoc_vmsg(MANDOCERR_SCOPENEST, mdoc->parse, line, ppos,
- "%s breaks %s", mdoc_macronames[tok],
- mdoc_macronames[broken->tok]);
+ mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
+ "%s breaks %s", mdoc_macronames[tok],
+ mdoc_macronames[broken->tok]);
return(1);
}
return(0);
}
-
-static int
-rew_sub(enum mdoc_type t, struct mdoc *mdoc,
+static void
+rew_sub(enum mdoc_type t, struct mdoc *mdoc,
enum mdoct tok, int line, int ppos)
{
struct mdoc_node *n;
n = mdoc->last;
while (n) {
switch (rew_dohalt(tok, t, n)) {
- case (REWIND_NONE):
- return(1);
- case (REWIND_THIS):
+ case REWIND_NONE:
+ return;
+ case REWIND_THIS:
+ n->lastline = line -
+ (mdoc->flags & MDOC_NEWLINE &&
+ ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
break;
- case (REWIND_FORCE):
- mandoc_vmsg(MANDOCERR_SCOPEBROKEN, mdoc->parse,
- line, ppos, "%s breaks %s",
- mdoc_macronames[tok],
- mdoc_macronames[n->tok]);
+ case REWIND_FORCE:
+ mandoc_vmsg(MANDOCERR_BLK_BROKEN, mdoc->parse,
+ line, ppos, "%s breaks %s",
+ mdoc_macronames[tok],
+ mdoc_macronames[n->tok]);
/* FALLTHROUGH */
- case (REWIND_MORE):
+ case REWIND_MORE:
+ n->lastline = line -
+ (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
n = n->parent;
continue;
- case (REWIND_LATER):
+ case REWIND_LATER:
if (make_pending(n, tok, mdoc, line, ppos) ||
- MDOC_BLOCK != t)
- return(1);
+ t != MDOC_BLOCK)
+ return;
/* FALLTHROUGH */
- case (REWIND_ERROR):
- mdoc_pmsg(mdoc, line, ppos, MANDOCERR_NOSCOPE);
- return(1);
+ case REWIND_ERROR:
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN,
+ mdoc->parse, line, ppos,
+ mdoc_macronames[tok]);
+ return;
}
break;
}
-
assert(n);
- if ( ! rew_last(mdoc, n))
- return(0);
+ rew_last(mdoc, n);
/*
* The current block extends an enclosing block.
* Now that the current block ends, close the enclosing block, too.
*/
- while (NULL != (n = n->pending)) {
- if ( ! rew_last(mdoc, n))
- return(0);
- if (MDOC_HEAD == n->type &&
- ! mdoc_body_alloc(mdoc, n->line, n->pos, n->tok))
- return(0);
+ while ((n = n->pending) != NULL) {
+ rew_last(mdoc, n);
+ if (n->type == MDOC_HEAD)
+ mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
}
-
- return(1);
}
/*
* Allocate a word and check whether it's punctuation or not.
* Punctuation consists of those tokens found in mdoc_isdelim().
*/
-static int
+static void
dword(struct mdoc *mdoc, int line, int col, const char *p,
enum mdelim d, int may_append)
{
-
- if (DELIM_MAX == d)
+
+ if (d == DELIM_MAX)
d = mdoc_isdelim(p);
if (may_append &&
- ! ((MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF) & mdoc->flags) &&
- DELIM_NONE == d && MDOC_TEXT == mdoc->last->type &&
- DELIM_NONE == mdoc_isdelim(mdoc->last->string)) {
+ ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
+ d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
+ mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
mdoc_word_append(mdoc, p);
- return(1);
+ return;
}
- if ( ! mdoc_word_alloc(mdoc, line, col, p))
- return(0);
-
- if (DELIM_OPEN == d)
- mdoc->last->flags |= MDOC_DELIMO;
+ mdoc_word_alloc(mdoc, line, col, p);
/*
- * Closing delimiters only suppress the preceding space
- * when they follow something, not when they start a new
- * block or element, and not when they follow `No'.
- *
- * XXX Explicitly special-casing MDOC_No here feels
- * like a layering violation. Find a better way
- * and solve this in the code related to `No'!
+ * If the word consists of a bare delimiter,
+ * flag the new node accordingly,
+ * unless doing so was vetoed by the invoking macro.
+ * Always clear the veto, it is only valid for one word.
*/
- else if (DELIM_CLOSE == d && mdoc->last->prev &&
- mdoc->last->prev->tok != MDOC_No &&
- mdoc->last->parent->tok != MDOC_Fd)
+ if (d == DELIM_OPEN)
+ mdoc->last->flags |= MDOC_DELIMO;
+ else if (d == DELIM_CLOSE &&
+ ! (mdoc->flags & MDOC_NODELIMC) &&
+ mdoc->last->parent->tok != MDOC_Fd)
mdoc->last->flags |= MDOC_DELIMC;
-
- return(1);
+ mdoc->flags &= ~MDOC_NODELIMC;
}
-static int
+static void
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
{
int la;
enum margserr ac;
char *p;
- if ('\0' == buf[*pos])
- return(1);
+ if (buf[*pos] == '\0')
+ return;
for (;;) {
la = *pos;
ac = mdoc_zargs(mdoc, line, pos, buf, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- else if (ARGS_EOLN == ac)
+ if (ac == ARGS_EOLN)
break;
-
dword(mdoc, line, la, p, DELIM_MAX, 1);
/*
* knowing which symbols break this behaviour, for
* example, `. ;' shouldn't propagate the double-space.
*/
- if (mandoc_eos(p, strlen(p), 0))
+
+ if (mandoc_eos(p, strlen(p)))
mdoc->last->flags |= MDOC_EOS;
}
-
- return(1);
}
-
/*
- * Close out block partial/full explicit.
+ * Close out block partial/full explicit.
*/
static int
blk_exp_close(MACRO_PROT_ARGS)
{
struct mdoc_node *body; /* Our own body. */
+ struct mdoc_node *endbody; /* Our own end marker. */
struct mdoc_node *later; /* A sub-block starting later. */
struct mdoc_node *n; /* For searching backwards. */
- int j, lastarg, maxargs, flushed, nl;
+ int j, lastarg, maxargs, flushed, nl;
enum margserr ac;
enum mdoct atok, ntok;
char *p;
nl = MDOC_NEWLINE & mdoc->flags;
switch (tok) {
- case (MDOC_Ec):
+ case MDOC_Ec:
maxargs = 1;
break;
- case (MDOC_Ek):
- if ( ! (MDOC_SYNOPSIS & mdoc->flags))
- mdoc->flags &= ~MDOC_KEEP;
+ case MDOC_Ek:
+ mdoc->flags &= ~MDOC_KEEP;
default:
maxargs = 0;
break;
* both of our own and of pending sub-blocks.
*/
atok = rew_alt(tok);
- body = later = NULL;
+ body = endbody = later = NULL;
for (n = mdoc->last; n; n = n->parent) {
- if (MDOC_VALID & n->flags)
+ if (n->flags & MDOC_VALID)
continue;
/* Remember the start of our own body. */
- if (MDOC_BODY == n->type && atok == n->tok) {
- if (ENDBODY_NOT == n->end)
+ if (n->type == MDOC_BODY && atok == n->tok) {
+ if (n->end == ENDBODY_NOT)
body = n;
continue;
}
- if (MDOC_BLOCK != n->type || MDOC_Nm == n->tok)
+ if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
continue;
if (atok == n->tok) {
assert(body);
* When there is no pending sub block,
* just proceed to closing out.
*/
- if (NULL == later)
+ if (later == NULL)
break;
- /*
+ /*
* When there is a pending sub block,
* postpone closing out the current block
* until the rew_sub() closing out the sub-block.
* Mark the place where the formatting - but not
* the scope - of the current block ends.
*/
- if ( ! mdoc_endbody_alloc(mdoc, line, ppos,
- atok, body, ENDBODY_SPACE))
- return(0);
+ mdoc_endbody_alloc(mdoc, line, ppos,
+ atok, body, ENDBODY_SPACE);
+ if (maxargs) {
+ endbody = mdoc->last;
+ mdoc->next = MDOC_NEXT_CHILD;
+ }
break;
}
* implicit ones, the first open implicit block.
*/
if (later &&
- MDOC_EXPLICIT & mdoc_macros[later->tok].flags)
+ mdoc_macros[later->tok].flags & MDOC_EXPLICIT)
continue;
- if (MDOC_It != n->tok)
+ if (n->tok != MDOC_It)
later = n;
}
- if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
- /* FIXME: do this in validate */
- if (buf[*pos])
- mdoc_pmsg(mdoc, line, ppos, MANDOCERR_ARGSLOST);
-
- if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
- return(0);
- return(rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos));
+ if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
+ if (buf[*pos] != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_SKIP,
+ mdoc->parse, line, ppos,
+ "%s %s", mdoc_macronames[tok],
+ buf + *pos);
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ return(1);
}
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
- return(0);
-
- if (NULL == later && maxargs > 0)
- if ( ! mdoc_tail_alloc(mdoc, line, ppos, rew_alt(tok)))
- return(0);
+ if (maxargs && endbody == NULL) {
+ if (n == NULL) {
+ /*
+ * Stray .Ec without previous .Eo:
+ * Break the output line, ignore any arguments.
+ */
+ mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
+ rew_elem(mdoc, MDOC_br);
+ } else
+ mdoc_tail_alloc(mdoc, line, ppos, atok);
+ }
- for (flushed = j = 0; ; j++) {
+ flushed = n == NULL;
+ for (j = 0; ; j++) {
lastarg = *pos;
if (j == maxargs && ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
- return(0);
+ if (endbody == NULL)
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ else
+ rew_last(mdoc, endbody);
flushed = 1;
}
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, lastarg, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, lastarg, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
if ( ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
- return(0);
+ if (endbody == NULL)
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ else
+ rew_last(mdoc, endbody);
flushed = 1;
}
break;
}
- if ( ! flushed && ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
- return(0);
-
- if ( ! nl)
- return(1);
- return(append_delims(mdoc, line, pos, buf));
+ if ( ! flushed) {
+ if (endbody == NULL)
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ else
+ rew_last(mdoc, endbody);
+ }
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ return(1);
}
-
static int
in_line(MACRO_PROT_ARGS)
{
- int la, scope, cnt, nc, nl;
+ int la, scope, cnt, firstarg, mayopen, nc, nl;
enum margverr av;
enum mdoct ntok;
enum margserr ac;
*/
switch (tok) {
- case (MDOC_An):
+ case MDOC_An:
/* FALLTHROUGH */
- case (MDOC_Ar):
+ case MDOC_Ar:
/* FALLTHROUGH */
- case (MDOC_Fl):
+ case MDOC_Fl:
/* FALLTHROUGH */
- case (MDOC_Mt):
+ case MDOC_Mt:
/* FALLTHROUGH */
- case (MDOC_Nm):
+ case MDOC_Nm:
/* FALLTHROUGH */
- case (MDOC_Pa):
+ case MDOC_Pa:
nc = 1;
break;
default:
if (ARGV_WORD == av) {
*pos = la;
break;
- }
+ }
if (ARGV_EOLN == av)
break;
if (ARGV_ARG == av)
return(0);
}
+ d = DELIM_NONE;
+ firstarg = 1;
+ mayopen = 1;
for (cnt = scope = 0;; ) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
+ /*
+ * At the end of a macro line,
+ * opening delimiters do not suppress spacing.
+ */
+
+ if (ac == ARGS_EOLN) {
+ if (d == DELIM_OPEN)
+ mdoc->last->flags &= ~MDOC_DELIMO;
break;
- if (ARGS_PUNCT == ac)
+ }
+
+ /*
+ * The rest of the macro line is only punctuation,
+ * to be handled by append_delims().
+ * If there were no other arguments,
+ * do not allow the first one to suppress spacing,
+ * even if it turns out to be a closing one.
+ */
+
+ if (ac == ARGS_PUNCT) {
+ if (cnt == 0 && nc == 0)
+ mdoc->flags |= MDOC_NODELIMC;
break;
+ }
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
+ MDOC_MAX : lookup(tok, p);
- /*
+ /*
* In this case, we've located a submacro and must
* execute it. Close out scope, if open. If no
* elements have been generated, either create one (nc)
* or raise a warning.
*/
- if (MDOC_MAX != ntok) {
- if (scope && ! rew_elem(mdoc, tok))
- return(0);
- if (nc && 0 == cnt) {
- if ( ! mdoc_elem_alloc(mdoc, line,
- ppos, tok, arg))
- return(0);
- if ( ! rew_last(mdoc, mdoc->last))
- return(0);
- } else if ( ! nc && 0 == cnt) {
+ if (ntok != MDOC_MAX) {
+ if (scope)
+ rew_elem(mdoc, tok);
+ if (nc && ! cnt) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ rew_last(mdoc, mdoc->last);
+ } else if ( ! nc && ! cnt) {
mdoc_argv_free(arg);
- mdoc_pmsg(mdoc, line, ppos,
- MANDOCERR_MACROEMPTY);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ mdoc->parse, line, ppos,
+ mdoc_macronames[tok]);
}
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
- if ( ! nl)
- return(1);
- return(append_delims(mdoc, line, pos, buf));
- }
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ return(1);
+ }
- /*
+ /*
* Non-quote-enclosed punctuation. Set up our scope, if
* a word; rewind the scope, if a delimiter; then append
- * the word.
+ * the word.
*/
- d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p);
+ d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
if (DELIM_NONE != d) {
/*
* If we encounter closing punctuation, no word
- * has been omitted, no scope is open, and we're
+ * has been emitted, no scope is open, and we're
* allowed to have an empty element, then start
- * a new scope. `Ar', `Fl', and `Li', only do
- * this once per invocation. There may be more
- * of these (all of them?).
+ * a new scope.
*/
- if (0 == cnt && (nc || MDOC_Li == tok) &&
- DELIM_CLOSE == d && ! scope) {
- if ( ! mdoc_elem_alloc(mdoc, line,
- ppos, tok, arg))
- return(0);
- if (MDOC_Ar == tok || MDOC_Li == tok ||
- MDOC_Fl == tok)
- cnt++;
+ if ((d == DELIM_CLOSE ||
+ (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
+ !cnt && !scope && nc && mayopen) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
scope = 1;
+ cnt++;
+ if (tok == MDOC_Nm)
+ mayopen = 0;
}
/*
* Close out our scope, if one is open, before
* any punctuation.
*/
- if (scope && ! rew_elem(mdoc, tok))
- return(0);
+ if (scope)
+ rew_elem(mdoc, tok);
scope = 0;
- } else if ( ! scope) {
- if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
- return(0);
+ if (tok == MDOC_Fn)
+ mayopen = 0;
+ } else if (mayopen && !scope) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
scope = 1;
+ cnt++;
}
- if (DELIM_NONE == d)
- cnt++;
+ dword(mdoc, line, la, p, d,
+ MDOC_JOIN & mdoc_macros[tok].flags);
- if ( ! dword(mdoc, line, la, p, d,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ /*
+ * If the first argument is a closing delimiter,
+ * do not suppress spacing before it.
+ */
+
+ if (firstarg && d == DELIM_CLOSE && !nc)
+ mdoc->last->flags &= ~MDOC_DELIMC;
+ firstarg = 0;
/*
* `Fl' macros have their scope re-opened with each new
* word so that the `-' can be added to each one without
* having to parse out spaces.
*/
- if (scope && MDOC_Fl == tok) {
- if ( ! rew_elem(mdoc, tok))
- return(0);
+ if (scope && tok == MDOC_Fl) {
+ rew_elem(mdoc, tok);
scope = 0;
}
}
- if (scope && ! rew_elem(mdoc, tok))
- return(0);
+ if (scope)
+ rew_elem(mdoc, tok);
/*
* If no elements have been collected and we're allowed to have
* raise a warning.
*/
- if (nc && 0 == cnt) {
- if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
- return(0);
- if ( ! rew_last(mdoc, mdoc->last))
- return(0);
- } else if ( ! nc && 0 == cnt) {
- mdoc_argv_free(arg);
- mdoc_pmsg(mdoc, line, ppos, MANDOCERR_MACROEMPTY);
+ if ( ! cnt) {
+ if (nc) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ rew_last(mdoc, mdoc->last);
+ } else {
+ mdoc_argv_free(arg);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ line, ppos, mdoc_macronames[tok]);
+ }
}
-
- if ( ! nl)
- return(1);
- return(append_delims(mdoc, line, pos, buf));
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ return(1);
}
-
static int
blk_full(MACRO_PROT_ARGS)
{
struct mdoc_node *head; /* save of head macro */
struct mdoc_node *body; /* save of body macro */
struct mdoc_node *n;
- enum mdoc_type mtt;
enum mdoct ntok;
enum margserr ac, lac;
enum margverr av;
nl = MDOC_NEWLINE & mdoc->flags;
+ /* Skip items outside lists. */
+
+ if (tok == MDOC_It) {
+ for (n = mdoc->last; n; n = n->parent)
+ if (n->tok == MDOC_Bl &&
+ ! (n->flags & MDOC_VALID))
+ break;
+ if (n == NULL) {
+ mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
+ line, ppos, "It %s", buf + *pos);
+ mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
+ rew_elem(mdoc, MDOC_br);
+ return(1);
+ }
+ }
+
/* Close out prior implicit scope. */
- if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) {
- if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
- return(0);
- if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
- return(0);
+ if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
}
/*
if (ARGV_WORD == av) {
*pos = la;
break;
- }
+ }
if (ARGV_EOLN == av)
break;
return(0);
}
- if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg))
- return(0);
-
+ mdoc_block_alloc(mdoc, line, ppos, tok, arg);
head = body = NULL;
/*
* Exception: Heads of `It' macros in `-diag' lists are not
* parsed, even though `It' macros in general are parsed.
*/
- nparsed = MDOC_It == tok &&
- MDOC_Bl == mdoc->last->parent->tok &&
- LIST_diag == mdoc->last->parent->norm->Bl.type;
+ nparsed = tok == MDOC_It &&
+ mdoc->last->parent->tok == MDOC_Bl &&
+ mdoc->last->parent->norm->Bl.type == LIST_diag;
/*
* The `Nd' macro has all arguments in its body: it's a hybrid
* of block partial-explicit and full-implicit. Stupid.
*/
- if (MDOC_Nd == tok) {
- if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
- return(0);
- head = mdoc->last;
- if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
- body = mdoc->last;
+ if (tok == MDOC_Nd) {
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
}
- if (MDOC_Bk == tok)
+ if (tok == MDOC_Bk)
mdoc->flags |= MDOC_KEEP;
- ac = ARGS_ERROR;
-
- for ( ; ; ) {
+ ac = ARGS_PEND;
+ for (;;) {
la = *pos;
- /* Initialise last-phrase-type with ARGS_PEND. */
- lac = ARGS_ERROR == ac ? ARGS_PEND : ac;
+ lac = ac;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
-
- if (ARGS_PUNCT == ac)
+ if (ac == ARGS_PUNCT)
break;
-
- if (ARGS_ERROR == ac)
- return(0);
-
- if (ARGS_EOLN == ac) {
- if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac)
+ if (ac == ARGS_EOLN) {
+ if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
break;
/*
* This is necessary: if the last token on a
* reopen our scope if the last parse was a
* phrase or partial phrase.
*/
- if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
- body = mdoc->last;
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
break;
}
- /*
+ /*
* Emit leading punctuation (i.e., punctuation before
* the MDOC_HEAD) for non-phrase types.
*/
- if (NULL == head &&
- ARGS_PEND != ac &&
- ARGS_PHRASE != ac &&
- ARGS_PPHRASE != ac &&
- ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
- return(0);
+ if (head == NULL &&
+ ac != ARGS_PEND &&
+ ac != ARGS_PHRASE &&
+ ac != ARGS_PPHRASE &&
+ ac != ARGS_QWORD &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
}
/* Open a head if one hasn't been opened. */
- if (NULL == head) {
- if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
- return(0);
- head = mdoc->last;
- }
+ if (head == NULL)
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
- if (ARGS_PHRASE == ac ||
- ARGS_PEND == ac ||
- ARGS_PPHRASE == ac) {
+ if (ac == ARGS_PHRASE ||
+ ac == ARGS_PEND ||
+ ac == ARGS_PPHRASE) {
/*
* If we haven't opened a body yet, rewind the
* head; if we have, rewind that instead.
*/
- mtt = body ? MDOC_BODY : MDOC_HEAD;
- if ( ! rew_sub(mtt, mdoc, tok, line, ppos))
- return(0);
-
+ rew_sub(body ? MDOC_BODY : MDOC_HEAD,
+ mdoc, tok, line, ppos);
+
/* Then allocate our body context. */
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
- body = mdoc->last;
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
/*
* Process phrases: set whether we're in a
* then call down into the phrase parser.
*/
- if (ARGS_PPHRASE == ac)
+ if (ac == ARGS_PPHRASE)
mdoc->flags |= MDOC_PPHRASE;
- if (ARGS_PEND == ac && ARGS_PPHRASE == lac)
+ if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
mdoc->flags |= MDOC_PPHRASE;
if ( ! phrase(mdoc, line, la, buf))
continue;
}
- ntok = nparsed || ARGS_QWORD == ac ?
- MDOC_MAX : lookup(tok, p);
+ ntok = nparsed || ac == ARGS_QWORD ?
+ MDOC_MAX : lookup(tok, p);
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
break;
}
- if (NULL == head) {
- if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
- return(0);
- head = mdoc->last;
- }
-
- if (nl && ! append_delims(mdoc, line, pos, buf))
- return(0);
+ if (head == NULL)
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
/* If we've already opened our body, exit now. */
* sub-block.
*/
for (n = mdoc->last; n && n != head; n = n->parent) {
- if (MDOC_BLOCK == n->type &&
- MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
- ! (MDOC_VALID & n->flags)) {
+ if (MDOC_BLOCK == n->type &&
+ MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
+ ! (MDOC_VALID & n->flags)) {
n->pending = head;
return(1);
}
/* Close out scopes to remain in a consistent state. */
- if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
+ rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
+ mdoc_body_alloc(mdoc, line, ppos, tok);
out:
- if ( ! (MDOC_FREECOL & mdoc->flags))
- return(1);
-
- if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
- return(0);
- if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
- return(0);
-
- mdoc->flags &= ~MDOC_FREECOL;
+ if (mdoc->flags & MDOC_FREECOL) {
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ mdoc->flags &= ~MDOC_FREECOL;
+ }
return(1);
}
-
static int
blk_part_imp(MACRO_PROT_ARGS)
{
* or more closing punctuation nodes.
*/
- if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL))
- return(0);
-
- blk = mdoc->last;
-
- if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
- return(0);
- if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
- return(0);
+ blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
+ mdoc_head_alloc(mdoc, line, ppos, tok);
+ rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
/*
* Open the body scope "on-demand", that is, after we've
for (body = NULL; ; ) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
- break;
- if (ARGS_PUNCT == ac)
+ if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
break;
- if (NULL == body && ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
- return(0);
+ if (body == NULL && ac != ARGS_QWORD &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
}
- if (NULL == body) {
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
- body = mdoc->last;
- }
+ if (body == NULL)
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
/* Clean-ups to leave in a consistent state. */
- if (NULL == body) {
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
- body = mdoc->last;
- }
-
- for (n = body->child; n && n->next; n = n->next)
- /* Do nothing. */ ;
-
- /*
- * End of sentence spacing: if the last node is a text node and
- * has a trailing period, then mark it as being end-of-sentence.
- */
-
- if (n && MDOC_TEXT == n->type && n->string)
- if (mandoc_eos(n->string, strlen(n->string), 1))
- n->flags |= MDOC_EOS;
-
- /* Up-propagate the end-of-space flag. */
-
- if (n && (MDOC_EOS & n->flags)) {
- body->flags |= MDOC_EOS;
- body->parent->flags |= MDOC_EOS;
- }
+ if (body == NULL)
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
/*
* If there is an open sub-block requiring explicit close-out,
* until the rew_sub() call closing out the sub-block.
*/
for (n = mdoc->last; n && n != body && n != blk->parent;
- n = n->parent) {
- if (MDOC_BLOCK == n->type &&
- MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
- ! (MDOC_VALID & n->flags)) {
+ n = n->parent) {
+ if (n->type == MDOC_BLOCK &&
+ mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
+ ! (n->flags & MDOC_VALID)) {
make_pending(n, tok, mdoc, line, ppos);
- if ( ! mdoc_endbody_alloc(mdoc, line, ppos,
- tok, body, ENDBODY_NOSPACE))
- return(0);
+ mdoc_endbody_alloc(mdoc, line, ppos,
+ tok, body, ENDBODY_NOSPACE);
return(1);
}
}
-
- /*
- * If we can't rewind to our body, then our scope has already
- * been closed by another macro (like `Oc' closing `Op'). This
- * is ugly behaviour nodding its head to OpenBSD's overwhelming
- * crufty use of `Op' breakage.
- */
- if (n != body)
- mandoc_vmsg(MANDOCERR_SCOPENEST, mdoc->parse, line, ppos,
- "%s broken", mdoc_macronames[tok]);
-
- if (n && ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
- return(0);
+ assert(n == body);
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
/* Standard appending of delimiters. */
- if (nl && ! append_delims(mdoc, line, pos, buf))
- return(0);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
/* Rewind scope, if applicable. */
- if (n && ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
- return(0);
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
/* Move trailing .Ns out of scope. */
for (n = body->child; n && n->next; n = n->next)
/* Do nothing. */ ;
- if (n && MDOC_Ns == n->tok)
+ if (n && n->tok == MDOC_Ns)
mdoc_node_relink(mdoc, n);
return(1);
}
-
static int
blk_part_exp(MACRO_PROT_ARGS)
{
* case of `Eo'); and a body that may be empty.
*/
- if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL))
- return(0);
-
+ mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
for (head = body = NULL; ; ) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
/* Flush out leading punctuation. */
- if (NULL == head && ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
+ if (head == NULL && ac != ARGS_QWORD &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
assert(NULL == body);
- if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
- return(0);
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
}
- if (NULL == head) {
- assert(NULL == body);
- if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
- return(0);
- head = mdoc->last;
+ if (head == NULL) {
+ assert(body == NULL);
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
}
/*
* macros just immediately close out and begin the body.
*/
- if (NULL == body) {
+ if (body == NULL) {
assert(head);
/* No check whether it's a macro! */
- if (MDOC_Eo == tok)
- if ( ! dword(mdoc, line, la, p, DELIM_MAX, 0))
- return(0);
-
- if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
- body = mdoc->last;
-
- if (MDOC_Eo == tok)
+ if (tok == MDOC_Eo)
+ dword(mdoc, line, la, p, DELIM_MAX, 0);
+ rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Eo)
continue;
}
+ assert(head != NULL && body != NULL);
- assert(NULL != head && NULL != body);
-
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
-
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
-
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
break;
/* Clean-up to leave in a consistent state. */
- if (NULL == head)
- if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
- return(0);
+ if (head == NULL)
+ mdoc_head_alloc(mdoc, line, ppos, tok);
- if (NULL == body) {
- if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
- return(0);
+ if (body == NULL) {
+ rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
+ mdoc_body_alloc(mdoc, line, ppos, tok);
}
/* Standard appending of delimiters. */
- if ( ! nl)
- return(1);
- return(append_delims(mdoc, line, pos, buf));
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ return(1);
}
-
-/* ARGSUSED */
static int
in_line_argn(MACRO_PROT_ARGS)
{
*/
switch (tok) {
- case (MDOC_Ap):
- /* FALLTHROUGH */
- case (MDOC_No):
+ case MDOC_Ap:
/* FALLTHROUGH */
- case (MDOC_Ns):
+ case MDOC_Ns:
/* FALLTHROUGH */
- case (MDOC_Ux):
+ case MDOC_Ux:
maxargs = 0;
break;
- case (MDOC_Bx):
+ case MDOC_Bx:
/* FALLTHROUGH */
- case (MDOC_Xr):
+ case MDOC_Es:
+ /* FALLTHROUGH */
+ case MDOC_Xr:
maxargs = 2;
break;
default:
if (ARGV_WORD == av) {
*pos = la;
break;
- }
+ }
if (ARGV_EOLN == av)
break;
for (flushed = j = 0; ; ) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
- if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != ac && 0 == j &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
- return(0);
+ if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
+ ac != ARGS_QWORD && j == 0 &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
- } else if (0 == j)
- if ( ! mdoc_elem_alloc(mdoc, line, la, tok, arg))
- return(0);
+ } else if (j == 0)
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
if (j == maxargs && ! flushed) {
- if ( ! rew_elem(mdoc, tok))
- return(0);
+ rew_elem(mdoc, tok);
flushed = 1;
}
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
- if (MDOC_MAX != ntok) {
- if ( ! flushed && ! rew_elem(mdoc, tok))
- return(0);
+ if (ntok != MDOC_MAX) {
+ if ( ! flushed)
+ rew_elem(mdoc, tok);
flushed = 1;
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
break;
}
- if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != ac &&
- ! flushed &&
- DELIM_NONE != mdoc_isdelim(p)) {
- if ( ! rew_elem(mdoc, tok))
- return(0);
+ if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
+ ac != ARGS_QWORD && ! flushed &&
+ mdoc_isdelim(p) != DELIM_NONE) {
+ rew_elem(mdoc, tok);
flushed = 1;
}
- if ( ! dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
j++;
}
- if (0 == j && ! mdoc_elem_alloc(mdoc, line, la, tok, arg))
- return(0);
+ if (j == 0)
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
/* Close out in a consistent state. */
- if ( ! flushed && ! rew_elem(mdoc, tok))
- return(0);
- if ( ! nl)
- return(1);
- return(append_delims(mdoc, line, pos, buf));
+ if ( ! flushed)
+ rew_elem(mdoc, tok);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ return(1);
}
-
static int
in_line_eoln(MACRO_PROT_ARGS)
{
*pos = la;
break;
}
- if (ARGV_EOLN == av)
+ if (ARGV_EOLN == av)
break;
if (ARGV_ARG == av)
continue;
/* Open element scope. */
- if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
- return(0);
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
/* Parse argument terms. */
for (;;) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
+ if (ac == ARGS_EOLN)
break;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup(tok, p);
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
-
- if ( ! rew_elem(mdoc, tok))
- return(0);
+ rew_elem(mdoc, tok);
return(mdoc_macro(mdoc, ntok, line, la, pos, buf));
}
/* Close out (no delimiters). */
- return(rew_elem(mdoc, tok));
+ rew_elem(mdoc, tok);
+ return(1);
}
-
-/* ARGSUSED */
static int
ctx_synopsis(MACRO_PROT_ARGS)
{
return(blk_part_imp(mdoc, tok, line, ppos, pos, buf));
}
-
-/* ARGSUSED */
-static int
-obsolete(MACRO_PROT_ARGS)
-{
-
- mdoc_pmsg(mdoc, line, ppos, MANDOCERR_MACROOBS);
- return(1);
-}
-
-
/*
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
* They're unusual because they're basically free-form text until a
la = pos;
ac = mdoc_zargs(mdoc, line, &pos, buf, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
+ if (ac == ARGS_EOLN)
break;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup_raw(p);
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, la, p, DELIM_MAX, 1))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, la, p, DELIM_MAX, 1);
continue;
}
if ( ! mdoc_macro(mdoc, ntok, line, la, &pos, buf))
return(0);
- return(append_delims(mdoc, line, &pos, buf));
+ append_delims(mdoc, line, &pos, buf);
+ return(1);
}
return(1);
}
-
-/* ARGSUSED */
static int
phrase_ta(MACRO_PROT_ARGS)
{
while (NULL != n && MDOC_Bl != n->tok)
n = n->parent;
if (NULL == n || LIST_column != n->norm->Bl.type) {
- mdoc_pmsg(mdoc, line, ppos, MANDOCERR_STRAYTA);
+ mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
+ line, ppos, "Ta");
return(1);
}
/* Advance to the next column. */
- if ( ! rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(mdoc, line, ppos, MDOC_It))
- return(0);
+
+ rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos);
+ mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
for (;;) {
la = *pos;
ac = mdoc_zargs(mdoc, line, pos, buf, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
+ if (ac == ARGS_EOLN)
break;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX : lookup_raw(p);
- if (MDOC_MAX == ntok) {
- if ( ! dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
- return(append_delims(mdoc, line, pos, buf));
+ append_delims(mdoc, line, pos, buf);
+ return(1);
}
return(1);