mandoc/mdoc_macro.c - diff

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Up to [cvsweb.bsd.lv] / mandoc

Diff for /mandoc/mdoc_macro.c between version 1.34 and 1.75

version 1.34, 2009/09/16 14:40:56

version 1.75, 2010/05/31 10:28:04

Line 14

* 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 <assert.h>

#include <ctype.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <time.h>

#include "mandoc.h"

#include "libmdoc.h"

#include "libmandoc.h"

#define REWIND_REWIND (1 << 0)

enum rew {

#define REWIND_NOHALT (1 << 1)

REWIND_REWIND,

#define REWIND_HALT (1 << 2)

REWIND_NOHALT,

REWIND_HALT

};

static int obsolete(MACRO_PROT_ARGS);

static int blk_full(MACRO_PROT_ARGS);

static int blk_part_exp(MACRO_PROT_ARGS);

static int blk_exp_close(MACRO_PROT_ARGS);

static int in_line_eoln(MACRO_PROT_ARGS);

static int blk_part_exp(MACRO_PROT_ARGS);

static int in_line_argn(MACRO_PROT_ARGS);

static int blk_part_imp(MACRO_PROT_ARGS);

static int in_line(MACRO_PROT_ARGS);

static int ctx_synopsis(MACRO_PROT_ARGS);

static int blk_full(MACRO_PROT_ARGS);

static int in_line_eoln(MACRO_PROT_ARGS);

static int blk_exp_close(MACRO_PROT_ARGS);

static int in_line_argn(MACRO_PROT_ARGS);

static int blk_part_imp(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 phrase(struct mdoc *, int, int, char *);

static int append_delims(struct mdoc *,

static int rew_dohalt(int, enum mdoc_type,

int, int *, char *);

const struct mdoc_node *);

static enum mdoct lookup(enum mdoct, const char *);

static int rew_alt(int);

static enum mdoct lookup_raw(const char *);

static int rew_dobreak(int, const struct mdoc_node *);

static int phrase(struct mdoc *, int, int, char *);

static int rew_elem(struct mdoc *, int);

static enum mdoct rew_alt(enum mdoct);

static int rew_sub(enum mdoc_type, struct mdoc *,

static int rew_dobreak(enum mdoct,

int, int, int);

const struct mdoc_node *);

static int rew_last(struct mdoc *,

static enum rew rew_dohalt(enum mdoct, enum mdoc_type,

const struct mdoc_node *);

static int append_delims(struct mdoc *, int, int *, char *);

static int rew_elem(struct mdoc *, enum mdoct);

static int lookup(struct mdoc *, int, const char *);

static int rew_last(struct mdoc *,

static int lookup_raw(struct mdoc *, const char *);

const struct mdoc_node *);

static int swarn(struct mdoc *, enum mdoc_type, int, int,

static int rew_sub(enum mdoc_type, struct mdoc *,

const struct mdoc_node *);

enum mdoct, int, int);

static int swarn(struct mdoc *, enum mdoc_type, int,

int, const struct mdoc_node *);

/* Central table of library: who gets parsed how. */

const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */

{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */

Line 93 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

Line 104 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

{ in_line_eoln, 0 }, /* Rv */

{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */

{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */

{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */

{ ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */

{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */

{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */

{ in_line_eoln, 0 }, /* %A */

{ in_line_eoln, 0 }, /* %B */

{ in_line_eoln, 0 }, /* %D */

Line 131 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

Line 142 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */

{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */

{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */

{ in_line_argn, MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */

{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */

{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */

{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */

{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */

Line 160 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

Line 171 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

{ in_line_eoln, 0 }, /* Hf */

{ obsolete, 0 }, /* Fr */

{ in_line_eoln, 0 }, /* Ud */

{ in_line_eoln, 0 }, /* Lb */

{ in_line, 0 }, /* Lb */

{ in_line_eoln, 0 }, /* Lp */

{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */

{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */

Line 174 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

Line 185 const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {

{ in_line_eoln, 0 }, /* %Q */

{ in_line_eoln, 0 }, /* br */

{ in_line_eoln, 0 }, /* sp */

{ in_line_eoln, 0 }, /* %U */

{ phrase_ta, MDOC_CALLABLE | MDOC_PARSED }, /* Ta */

};

const struct mdoc_macro * const mdoc_macros = __mdoc_macros;

Line 184 swarn(struct mdoc *mdoc, enum mdoc_type type,

Line 197 swarn(struct mdoc *mdoc, enum mdoc_type type,

int line, int pos, const struct mdoc_node *p)

{

const char *n, *t, *tt;

enum mandocerr ec;

n = t = "<root>";

tt = "block";

Line 216 swarn(struct mdoc *mdoc, enum mdoc_type type,

Line 230 swarn(struct mdoc *mdoc, enum mdoc_type type,

break;

}

if ( ! (MDOC_IGN_SCOPE & mdoc->pflags))

ec = (MDOC_IGN_SCOPE & mdoc->pflags) ?

return(mdoc_verr(mdoc, line, pos,

MANDOCERR_SCOPE : MANDOCERR_SYNTSCOPE;

"%s scope breaks %s scope of %s",

return(mdoc_vmsg(mdoc, ec, line, pos,

"%s scope breaks %s of %s",

tt, t, n));

return(mdoc_vwarn(mdoc, line, pos,

"%s scope breaks %s scope of %s",

tt, t, n));

}

Line 245 mdoc_macroend(struct mdoc *m)

Line 258 mdoc_macroend(struct mdoc *m)

continue;

if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags))

continue;

return(mdoc_nerr(m, n, EOPEN));

mdoc_nmsg(m, n, MANDOCERR_SYNTSCOPE);

return(0);

}

/* Rewind to the first. */

Line 257 mdoc_macroend(struct mdoc *m)

Line 271 mdoc_macroend(struct mdoc *m)

* Look up a macro from within a subsequent context.

static int

static enum mdoct

lookup(struct mdoc *mdoc, int from, const char *p)

lookup(enum mdoct from, const char *p)

{

/* FIXME: make -diag lists be un-PARSED. */

if ( ! (MDOC_PARSED & mdoc_macros[from].flags))

return(MDOC_MAX);

return(lookup_raw(mdoc, p));

return(lookup_raw(p));

}

* Lookup a macro following the initial line macro.

static int

static enum mdoct

lookup_raw(struct mdoc *mdoc, const char *p)

lookup_raw(const char *p)

{

int res;

enum mdoct res;

if (MDOC_MAX == (res = mdoc_hash_find(p)))

return(MDOC_MAX);

Line 310 rew_last(struct mdoc *mdoc, const struct mdoc_node *to

Line 325 rew_last(struct mdoc *mdoc, const struct mdoc_node *to

* Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its

* matching pair.

static int

static enum mdoct

rew_alt(int tok)

rew_alt(enum mdoct tok)

{

switch (tok) {

case (MDOC_Ac):

Line 360 rew_alt(int tok)

Line 375 rew_alt(int tok)

* close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT).

* The scope-closing and so on occurs in the various rew_* routines.

static int

static enum rew

rew_dohalt(int tok, enum mdoc_type type, const struct mdoc_node *p)

rew_dohalt(enum mdoct tok, enum mdoc_type type,

const struct mdoc_node *p)

{

if (MDOC_ROOT == p->type)

Line 391 rew_dohalt(int tok, enum mdoc_type type, const struct

Line 407 rew_dohalt(int tok, enum mdoc_type type, const struct

case (MDOC_Qq):

/* FALLTHROUGH */

case (MDOC_Sq):

/* FALLTHROUGH */

case (MDOC_Vt):

assert(MDOC_TAIL != type);

if (type == p->type && tok == p->tok)

return(REWIND_REWIND);

Line 498 rew_dohalt(int tok, enum mdoc_type type, const struct

Line 516 rew_dohalt(int tok, enum mdoc_type type, const struct

* REWIND_NOHALT).

static int

rew_dobreak(int tok, const struct mdoc_node *p)

rew_dobreak(enum mdoct tok, const struct mdoc_node *p)

{

assert(MDOC_ROOT != p->type);

Line 527 rew_dobreak(int tok, const struct mdoc_node *p)

Line 545 rew_dobreak(int tok, const struct mdoc_node *p)

return(1);

break;

case (MDOC_Oc):

/* XXX - experimental! */

if (MDOC_Op == p->tok)

return(1);

break;

Line 545 rew_dobreak(int tok, const struct mdoc_node *p)

Line 562 rew_dobreak(int tok, const struct mdoc_node *p)

static int

rew_elem(struct mdoc *mdoc, int tok)

rew_elem(struct mdoc *mdoc, enum mdoct tok)

{

struct mdoc_node *n;

Line 561 rew_elem(struct mdoc *mdoc, int tok)

Line 578 rew_elem(struct mdoc *mdoc, int tok)

static int

rew_sub(enum mdoc_type t, struct mdoc *m,

int tok, int line, int ppos)

enum mdoct tok, int line, int ppos)

{

struct mdoc_node *n;

int c;

enum rew c;

/* LINTED */

for (n = m->last; n; n = n->parent) {

Line 574 rew_sub(enum mdoc_type t, struct mdoc *m,

Line 591 rew_sub(enum mdoc_type t, struct mdoc *m,

return(1);

if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags))

return(1);

return(mdoc_perr(m, line, ppos, ENOCTX));

/* FIXME: shouldn't raise an error */

mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTNOSCOPE);

return(0);

}

if (REWIND_REWIND == c)

break;

Line 585 rew_sub(enum mdoc_type t, struct mdoc *m,

Line 604 rew_sub(enum mdoc_type t, struct mdoc *m,

}

assert(n);

return(rew_last(m, n));

if ( ! rew_last(m, n))

return(0);

#ifdef UGLY

* The current block extends an enclosing block beyond a line

* break. Now that the current block ends, close the enclosing

* block, too.

if (NULL != (n = n->pending)) {

assert(MDOC_HEAD == n->type);

if ( ! rew_last(m, n))

return(0);

if ( ! mdoc_body_alloc(m, n->line, n->pos, n->tok))

return(0);

}

#endif

return(1);

}

static int

append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)

append_delims(struct mdoc *m, int line, int *pos, char *buf)

{

int c, lastarg;

int la;

enum margserr ac;

char *p;

if (0 == buf[*pos])

if ('\0' == buf[*pos])

return(1);

for (;;) {

lastarg = *pos;

la = *pos;

c = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p);

ac = mdoc_zargs(m, line, pos, buf, ARGS_NOWARN, &p);

assert(ARGS_PHRASE != c);

if (ARGS_ERROR == c)

if (ARGS_ERROR == ac)

return(0);

else if (ARGS_EOLN == c)

else if (ARGS_EOLN == ac)

break;

assert(mdoc_isdelim(p));

if ( ! mdoc_word_alloc(mdoc, line, lastarg, p))

assert(DELIM_NONE != mdoc_isdelim(p));

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

* If we encounter end-of-sentence symbols, then trigger

* the double-space.

* XXX: it's easy to allow this to propogate outward to

* the last symbol, such that `. )' will cause the

* correct double-spacing. However, (1) groff isn't

* smart enough to do this and (2) it would require

* knowing which symbols break this behaviour, for

* example, `. ;' shouldn't propogate the double-space.

if (mandoc_eos(p, strlen(p)))

m->last->flags |= MDOC_EOS;

}

return(1);

Line 622 append_delims(struct mdoc *mdoc, int line, int *pos, c

Line 674 append_delims(struct mdoc *mdoc, int line, int *pos, c

static int

blk_exp_close(MACRO_PROT_ARGS)

{

int j, c, lastarg, maxargs, flushed;

int j, lastarg, maxargs, flushed, nl;

enum margserr ac;

enum mdoct ntok;

char *p;

nl = MDOC_NEWLINE & m->flags;

switch (tok) {

case (MDOC_Ec):

maxargs = 1;

Line 635 blk_exp_close(MACRO_PROT_ARGS)

Line 691 blk_exp_close(MACRO_PROT_ARGS)

}

if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {

/* FIXME: do this in validate */

if (buf[*pos])

if ( ! mdoc_pwarn(m, line, ppos, ENOLINE))

if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_ARGSLOST))

return(0);

if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))

Line 660 blk_exp_close(MACRO_PROT_ARGS)

Line 717 blk_exp_close(MACRO_PROT_ARGS)

flushed = 1;

}

c = mdoc_args(m, line, pos, buf, tok, &p);

ac = mdoc_args(m, line, pos, buf, tok, &p);

if (ARGS_ERROR == c)

if (ARGS_ERROR == ac)

return(0);

if (ARGS_PUNCT == c)

if (ARGS_PUNCT == ac)

break;

if (ARGS_EOLN == c)

if (ARGS_EOLN == ac)

break;

if (MDOC_MAX != (c = lookup(m, tok, p))) {

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

if ( ! flushed) {

if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))

if (MDOC_MAX == ntok) {

return(0);

if ( ! mdoc_word_alloc(m, line, lastarg, p))

flushed = 1;

}

if ( ! mdoc_macro(m, c, line, lastarg, pos, buf))

return(0);

break;

continue;

}

if ( ! mdoc_word_alloc(m, line, lastarg, p))

if ( ! flushed) {

if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))

return(0);

flushed = 1;

}

if ( ! mdoc_macro(m, ntok, line, lastarg, pos, buf))

return(0);

break;

}

if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))

return(0);

if (ppos > 1)

if ( ! nl)

return(1);

return(append_delims(m, line, pos, buf));

}

Line 696 blk_exp_close(MACRO_PROT_ARGS)

Line 756 blk_exp_close(MACRO_PROT_ARGS)

static int

in_line(MACRO_PROT_ARGS)

{

int la, lastpunct, c, w, cnt, d, nc;

int la, scope, cnt, nc, nl;

struct mdoc_arg *arg;

enum margverr av;

char *p;

enum mdoct ntok;

enum margserr ac;

enum mdelim d;

struct mdoc_arg *arg;

char *p;

nl = MDOC_NEWLINE & m->flags;

* Whether we allow ignored elements (those without content,

* usually because of reserved words) to squeak by.

switch (tok) {

case (MDOC_An):

/* FALLTHROUGH */

Line 725 in_line(MACRO_PROT_ARGS)

Line 792 in_line(MACRO_PROT_ARGS)

for (arg = NULL;; ) {

la = *pos;

c = mdoc_argv(m, line, tok, &arg, pos, buf);

av = mdoc_argv(m, line, tok, &arg, pos, buf);

if (ARGV_WORD == c) {

if (ARGV_WORD == av) {

*pos = la;

break;

}

if (ARGV_EOLN == c)

if (ARGV_EOLN == av)

break;

if (ARGV_ARG == c)

if (ARGV_ARG == av)

continue;

mdoc_argv_free(arg);

return(0);

}

for (cnt = 0, lastpunct = 1;; ) {

for (cnt = scope = 0;; ) {

la = *pos;

w = mdoc_args(m, line, pos, buf, tok, &p);

ac = mdoc_args(m, line, pos, buf, tok, &p);

if (ARGS_ERROR == w)

if (ARGS_ERROR == ac)

return(0);

if (ARGS_EOLN == w)

if (ARGS_EOLN == ac)

break;

if (ARGS_PUNCT == w)

if (ARGS_PUNCT == ac)

break;

/* Quoted words shouldn't be looked-up. */

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

c = ARGS_QWORD == w ? MDOC_MAX : lookup(m, tok, p);

* In this case, we've located a submacro and must

* execute it. Close out scope, if open. If no

Line 762 in_line(MACRO_PROT_ARGS)

Line 827 in_line(MACRO_PROT_ARGS)

* or raise a warning.

if (MDOC_MAX != c) {

if (MDOC_MAX != ntok) {

if (0 == lastpunct && ! rew_elem(m, tok))

if (scope && ! rew_elem(m, tok))

return(0);

if (nc && 0 == cnt) {

if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))

Line 772 in_line(MACRO_PROT_ARGS)

Line 837 in_line(MACRO_PROT_ARGS)

return(0);

} else if ( ! nc && 0 == cnt) {

mdoc_argv_free(arg);

if ( ! mdoc_pwarn(m, line, ppos, EIGNE))

if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY))

return(0);

}

c = mdoc_macro(m, c, line, la, pos, buf);

if ( ! mdoc_macro(m, ntok, line, la, pos, buf))

if (0 == c)

return(0);

if (ppos > 1)

if ( ! nl)

return(1);

return(append_delims(m, line, pos, buf));

}

Line 789 in_line(MACRO_PROT_ARGS)

Line 853 in_line(MACRO_PROT_ARGS)

* the word.

d = mdoc_isdelim(p);

d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p);

if (ARGS_QWORD != w && d) {

if (DELIM_NONE != d) {

if (0 == lastpunct && ! rew_elem(m, tok))

* If we encounter closing punctuation, no word

* has been omitted, 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?).

if (0 == cnt && (nc || MDOC_Li == tok) &&

DELIM_CLOSE == d && ! scope) {

if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))

return(0);

if (MDOC_Ar == tok || MDOC_Li == tok ||

MDOC_Fl == tok)

cnt++;

scope = 1;

}

* Close out our scope, if one is open, before

* any punctuation.

if (scope && ! rew_elem(m, tok))

return(0);

lastpunct = 1;

scope = 0;

} else if (lastpunct) {

} else if ( ! scope) {

if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))

return(0);

lastpunct = 0;

scope = 1;

}

if ( ! d)

if (DELIM_NONE == d)

cnt++;

if ( ! mdoc_word_alloc(m, line, la, p))

return(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(m, tok))

return(0);

scope = 0;

}

if (0 == lastpunct && ! rew_elem(m, tok))

if (scope && ! rew_elem(m, tok))

return(0);

* If no elements have been collected and we're allowed to have

* empties (nc), open a scope and close it out. Otherwise,

* raise a warning.

if (nc && 0 == cnt) {

if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))

return(0);

Line 823 in_line(MACRO_PROT_ARGS)

Line 919 in_line(MACRO_PROT_ARGS)

return(0);

} else if ( ! nc && 0 == cnt) {

mdoc_argv_free(arg);

if ( ! mdoc_pwarn(m, line, ppos, EIGNE))

if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY))

return(0);

}

if (ppos > 1)

if ( ! nl)

return(1);

return(append_delims(m, line, pos, buf));

}

Line 836 in_line(MACRO_PROT_ARGS)

Line 932 in_line(MACRO_PROT_ARGS)

static int

blk_full(MACRO_PROT_ARGS)

{

int c, lastarg, reopen, dohead;

int la, nl;

struct mdoc_arg *arg;

struct mdoc_node *head; /* save of head macro */

struct mdoc_node *body; /* save of body macro */

#ifdef UGLY

struct mdoc_node *n;

#endif

enum mdoc_type mtt;

enum mdoct ntok;

enum margserr ac, lac;

enum margverr av;

char *p;

nl = MDOC_NEWLINE & m->flags;

* Whether to process a block-head section. If this is

* non-zero, then a head will be opened for all line arguments.

* If not, then the head will always be empty and only a body

* will be opened, which will stay open at the eoln.

switch (tok) {

/* Close out prior implicit scope. */

case (MDOC_Nd):

dohead = 0;

break;

default:

dohead = 1;

break;

}

if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) {

if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))

Line 863 blk_full(MACRO_PROT_ARGS)

Line 956 blk_full(MACRO_PROT_ARGS)

return(0);

}

* This routine accomodates implicitly- and explicitly-scoped

* macro openings. Implicit ones first close out prior scope

* (seen above). Delay opening the head until necessary to

* allow leading punctuation to print. Special consideration

* for `It -column', which has phrase-part syntax instead of

* regular child nodes.

for (arg = NULL;; ) {

lastarg = *pos;

la = *pos;

c = mdoc_argv(m, line, tok, &arg, pos, buf);

av = mdoc_argv(m, line, tok, &arg, pos, buf);

if (ARGV_WORD == c) {

if (ARGV_WORD == av) {

*pos = lastarg;

*pos = la;

break;

}

if (ARGV_EOLN == c)

if (ARGV_EOLN == av)

break;

if (ARGV_ARG == c)

if (ARGV_ARG == av)

continue;

mdoc_argv_free(arg);

Line 884 blk_full(MACRO_PROT_ARGS)

Line 986 blk_full(MACRO_PROT_ARGS)

if ( ! mdoc_block_alloc(m, line, ppos, tok, arg))

return(0);

if (0 == buf[*pos]) {

head = body = NULL;

* 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(m, line, ppos, tok))

return(0);

head = m->last;

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

return(1);

body = m->last;

}

if ( ! mdoc_head_alloc(m, line, ppos, tok))

ac = ARGS_ERROR;

return(0);

/* Immediately close out head and enter body, if applicable. */

for ( ; ; ) {

la = *pos;

/* Initialise last-phrase-type with ARGS_PEND. */

lac = ARGS_ERROR == ac ? ARGS_PEND : ac;

ac = mdoc_args(m, line, pos, buf, tok, &p);

if (0 == dohead) {

if (ARGS_ERROR == ac)

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

}

for (reopen = 0;; ) {

if (ARGS_EOLN == ac) {

lastarg = *pos;

if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac)

c = mdoc_args(m, line, pos, buf, tok, &p);

break;

if (ARGS_ERROR == c)

* This is necessary: if the last token on a

return(0);

* line is a `Ta' or tab, then we'll get

if (ARGS_EOLN == c)

* ARGS_EOLN, so we must be smart enough to

* reopen our scope if the last parse was a

* phrase or partial phrase.

if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))

return(0);

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

body = m->last;

break;

if (ARGS_PHRASE == c) {

}

assert(dohead);

if (reopen && ! mdoc_head_alloc(m, line, ppos, tok))

* 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 ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

}

/* Open a head if one hasn't been opened. */

if (NULL == head) {

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

head = m->last;

}

if (ARGS_PHRASE == ac ||

ARGS_PEND == ac ||

ARGS_PPHRASE == ac) {

* Phrases are self-contained macro phrases used

* If we haven't opened a body yet, rewind the

* in the columnar output of a macro. They need

* head; if we have, rewind that instead.

* special handling.

if ( ! phrase(m, line, lastarg, buf))

mtt = body ? MDOC_BODY : MDOC_HEAD;

if ( ! rew_sub(mtt, m, tok, line, ppos))

return(0);

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

/* Then allocate our body context. */

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

body = m->last;

reopen = 1;

* Process phrases: set whether we're in a

* partial-phrase (this effects line handling)

* then call down into the phrase parser.

if (ARGS_PPHRASE == ac)

m->flags |= MDOC_PPHRASE;

if (ARGS_PEND == ac && ARGS_PPHRASE == lac)

m->flags |= MDOC_PPHRASE;

if ( ! phrase(m, line, la, buf))

return(0);

m->flags &= ~MDOC_PPHRASE;

continue;

}

if (MDOC_MAX == (c = lookup(m, tok, p))) {

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

if ( ! mdoc_word_alloc(m, line, lastarg, p))

if (MDOC_MAX == ntok) {

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

}

if ( ! mdoc_macro(m, c, line, lastarg, pos, buf))

if ( ! mdoc_macro(m, ntok, line, la, pos, buf))

return(0);

break;

}

if (NULL == head) {

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

head = m->last;

}

if (1 == ppos && ! append_delims(m, line, pos, buf))

if (nl && ! append_delims(m, line, pos, buf))

return(0);

/* If the body's already open, then just return. */

/* If we've already opened our body, exit now. */

if (0 == dohead)

if (NULL != body)

return(1);

#ifdef UGLY

* If there is an open (i.e., unvalidated) sub-block requiring

* explicit close-out, postpone switching the current block from

* head to body until the rew_sub() call closing out that

* sub-block.

for (n = m->last; n && n != head; n = n->parent) {

if (MDOC_BLOCK == n->type &&

MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&

! (MDOC_VALID & n->flags)) {

assert( ! (MDOC_ACTED & n->flags));

n->pending = head;

return(1);

}

#endif

/* Close out scopes to remain in a consistent state. */

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

if ( ! mdoc_body_alloc(m, line, ppos, tok))

Line 962 blk_full(MACRO_PROT_ARGS)

Line 1152 blk_full(MACRO_PROT_ARGS)

static int

blk_part_imp(MACRO_PROT_ARGS)

{

int la, c;

int la, nl;

enum mdoct ntok;

enum margserr ac;

char *p;

struct mdoc_node *blk, *body, *n;

struct mdoc_node *blk; /* saved block context */

struct mdoc_node *body; /* saved body context */

struct mdoc_node *n;

/* If applicable, close out prior scopes. */

nl = MDOC_NEWLINE & m->flags;

* A macro that spans to the end of the line. This is generally

* (but not necessarily) called as the first macro. The block

* has a head as the immediate child, which is always empty,

* followed by zero or more opening punctuation nodes, then the

* body (which may be empty, depending on the macro), then zero

* or more closing punctuation nodes.

if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL))

return(0);

/* Saved for later close-out. */

blk = m->last;

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

/* Saved for later close-out. */

body = m->last;

/* Body argument processing. */

* Open the body scope "on-demand", that is, after we've

* processed all our the leading delimiters (open parenthesis,

* etc.).

for (;;) {

for (body = NULL; ; ) {

la = *pos;

c = mdoc_args(m, line, pos, buf, tok, &p);

ac = mdoc_args(m, line, pos, buf, tok, &p);

assert(ARGS_PHRASE != c);

if (ARGS_ERROR == c)

if (ARGS_ERROR == ac)

return(0);

if (ARGS_PUNCT == c)

if (ARGS_EOLN == ac)

break;

if (ARGS_EOLN == c)

if (ARGS_PUNCT == ac)

break;

if (MDOC_MAX == (c = lookup(m, tok, p))) {

if (NULL == body && ARGS_QWORD != ac &&

DELIM_OPEN == mdoc_isdelim(p)) {

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

}

if ( ! mdoc_macro(m, c, line, la, pos, buf))

if (NULL == body) {

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

body = m->last;

}

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

if (MDOC_MAX == ntok) {

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

}

if ( ! mdoc_macro(m, ntok, line, la, pos, buf))

return(0);

break;

}

/* Clean-ups to leave in a consistent state. */

if (NULL == body) {

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

body = m->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)))

n->flags |= MDOC_EOS;

/* Up-propogate the end-of-space flag. */

if (n && (MDOC_EOS & n->flags)) {

body->flags |= MDOC_EOS;

body->parent->flags |= MDOC_EOS;

}

* 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--XXX, deprecate in time.

* crufty use of `Op' breakage.

* FIXME - this should be ifdef'd OpenBSD?

for (n = m->last; n; n = n->parent)

if (body == n)

break;

if (NULL == n && ! mdoc_nwarn(m, body, EIMPBRK))

if (NULL == n && ! mdoc_nmsg(m, body, MANDOCERR_SCOPE))

return(0);

if (n && ! rew_last(m, body))

return(0);

/* Standard appending of delimiters. */

if (1 == ppos && ! append_delims(m, line, pos, buf))

if (nl && ! append_delims(m, line, pos, buf))

return(0);

/* Rewind scope, if applicable. */

Line 1037 blk_part_imp(MACRO_PROT_ARGS)

Line 1286 blk_part_imp(MACRO_PROT_ARGS)

static int

blk_part_exp(MACRO_PROT_ARGS)

{

int la, flushed, j, c, maxargs;

int la, nl;

enum margserr ac;

struct mdoc_node *head; /* keep track of head */

struct mdoc_node *body; /* keep track of body */

char *p;

enum mdoct ntok;

/* Number of head arguments. Only `Eo' has these, */

nl = MDOC_NEWLINE & m->flags;

switch (tok) {

case (MDOC_Eo):

* The opening of an explicit macro having zero or more leading

maxargs = 1;

* punctuation nodes; a head with optional single element (the

break;

* case of `Eo'); and a body that may be empty.

default:

maxargs = 0;

break;

}

/* Begin the block scope. */

if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL))

return(0);

for (head = body = NULL; ; ) {

* If no head arguments, open and then close out a head, noting

la = *pos;

* that we've flushed our terms. `flushed' means that we've

ac = mdoc_args(m, line, pos, buf, tok, &p);

* flushed out the head and the body is open.

if (0 == maxargs) {

if (ARGS_ERROR == ac)

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

if (ARGS_PUNCT == ac)

return(0);

break;

if ( ! mdoc_body_alloc(m, line, ppos, tok))

if (ARGS_EOLN == ac)

return(0);

break;

flushed = 1;

} else {

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

flushed = 0;

}

/* Process the head/head+body line arguments. */

/* Flush out leading punctuation. */

for (j = 0; ; j++) {

if (NULL == head && ARGS_QWORD != ac &&

la = *pos;

DELIM_OPEN == mdoc_isdelim(p)) {

if (j == maxargs && ! flushed) {

assert(NULL == body);

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

flushed = 1;

continue;

if ( ! mdoc_body_alloc(m, line, ppos, tok))

}

if (NULL == head) {

assert(NULL == body);

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

head = m->last;

}

c = mdoc_args(m, line, pos, buf, tok, &p);

assert(ARGS_PHRASE != c);

* `Eo' gobbles any data into the head, but most other

* macros just immediately close out and begin the body.

if (ARGS_ERROR == c)

if (NULL == body) {

return(0);

assert(head);

if (ARGS_PUNCT == c)

/* No check whether it's a macro! */

break;

if (MDOC_Eo == tok)

if (ARGS_EOLN == c)

if ( ! mdoc_word_alloc(m, line, la, p))

break;

if (MDOC_MAX != (c = lookup(m, tok, p))) {

if ( ! flushed) {

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

flushed = 1;

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

}

if ( ! mdoc_macro(m, c, line, la, pos, buf))

return(0);

break;

}

if ( ! flushed && mdoc_isdelim(p)) {

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

flushed = 1;

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

body = m->last;

if (MDOC_Eo == tok)

continue;

}

if ( ! mdoc_word_alloc(m, line, la, p))

assert(NULL != head && NULL != body);

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

if (MDOC_MAX == ntok) {

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

}

if ( ! mdoc_macro(m, ntok, line, la, pos, buf))

return(0);

break;

}

/* Close the head and open the body, if applicable. */

/* Clean-up to leave in a consistent state. */

if ( ! flushed) {

if (NULL == head) {

if ( ! mdoc_head_alloc(m, line, ppos, tok))

return(0);

head = m->last;

}

if (NULL == body) {

if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))

return(0);

if ( ! mdoc_body_alloc(m, line, ppos, tok))

return(0);

body = m->last;

}

/* Standard appending of delimiters. */

if (ppos > 1)

if ( ! nl)

return(1);

return(append_delims(m, line, pos, buf));

}

/* ARGSUSED */

static int

in_line_argn(MACRO_PROT_ARGS)

{

int la, flushed, j, c, maxargs;

int la, flushed, j, maxargs, nl;

struct mdoc_arg *arg;

enum margserr ac;

char *p;

enum margverr av;

struct mdoc_arg *arg;

char *p;

enum mdoct ntok;

/* Fixed maximum arguments per macro, if applicable. */

nl = MDOC_NEWLINE & m->flags;

* A line macro that has a fixed number of arguments (maxargs).

* Only open the scope once the first non-leading-punctuation is

* found (unless MDOC_IGNDELIM is noted, like in `Pf'), then

* keep it open until the maximum number of arguments are

* exhausted.

switch (tok) {

case (MDOC_Ap):

/* FALLTHROUGH */

Line 1159 in_line_argn(MACRO_PROT_ARGS)

Line 1424 in_line_argn(MACRO_PROT_ARGS)

case (MDOC_Ux):

maxargs = 0;

break;

case (MDOC_Xr):

maxargs = 2;

break;

default:

maxargs = 1;

break;

}

/* Macro argument processing. */

for (arg = NULL; ; ) {

for (arg = NULL;; ) {

la = *pos;

c = mdoc_argv(m, line, tok, &arg, pos, buf);

av = mdoc_argv(m, line, tok, &arg, pos, buf);

if (ARGV_WORD == c) {

if (ARGV_WORD == av) {

*pos = la;

break;

}

if (ARGV_EOLN == c)

if (ARGV_EOLN == av)

break;

if (ARGV_ARG == c)

if (ARGV_ARG == av)

continue;

mdoc_argv_free(arg);

return(0);

}

/* Open the element scope. */

for (flushed = j = 0; ; ) {

la = *pos;

ac = mdoc_args(m, line, pos, buf, tok, &p);

if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))

if (ARGS_ERROR == ac)

return(0);

if (ARGS_PUNCT == ac)

break;

if (ARGS_EOLN == ac)

break;

/* Process element arguments. */

if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&

ARGS_QWORD != ac &&

0 == j && DELIM_OPEN == mdoc_isdelim(p)) {

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

} else if (0 == j)

if ( ! mdoc_elem_alloc(m, line, la, tok, arg))

return(0);

for (flushed = j = 0; ; j++) {

la = *pos;

if (j == maxargs && ! flushed) {

if ( ! rew_elem(m, tok))

return(0);

flushed = 1;

}

c = mdoc_args(m, line, pos, buf, tok, &p);

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

if (ARGS_ERROR == c)

if (MDOC_MAX != ntok) {

return(0);

if (ARGS_PUNCT == c)

break;

if (ARGS_EOLN == c)

break;

if (MDOC_MAX != (c = lookup(m, tok, p))) {

if ( ! flushed && ! rew_elem(m, tok))

return(0);

flushed = 1;

if ( ! mdoc_macro(m, c, line, la, pos, buf))

if ( ! mdoc_macro(m, ntok, line, la, pos, buf))

return(0);

j++;

break;

}

if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&

! flushed && mdoc_isdelim(p)) {

ARGS_QWORD != ac &&

! flushed &&

DELIM_NONE != mdoc_isdelim(p)) {

if ( ! rew_elem(m, tok))

return(0);

flushed = 1;

}

* XXX: this is a hack to work around groff's ugliness

* as regards `Xr' and extraneous arguments. It should

* ideally be deprecated behaviour, but because this is

* code is no here, it's unlikely to be removed.

#ifdef __OpenBSD__

if (MDOC_Xr == tok && j == maxargs) {

if ( ! mdoc_elem_alloc(m, line, la, MDOC_Ns, NULL))

return(0);

if ( ! rew_elem(m, MDOC_Ns))

return(0);

}

#endif

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

j++;

}

/* Close out and append delimiters. */

if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg))

return(0);

/* Close out in a consistent state. */

if ( ! flushed && ! rew_elem(m, tok))

return(0);

if ( ! nl)

if (ppos > 1)

return(1);

return(append_delims(m, line, pos, buf));

}

Line 1243 in_line_argn(MACRO_PROT_ARGS)

Line 1535 in_line_argn(MACRO_PROT_ARGS)

static int

in_line_eoln(MACRO_PROT_ARGS)

{

int c, w, la;

int la;

struct mdoc_arg *arg;

enum margserr ac;

char *p;

enum margverr av;

struct mdoc_arg *arg;

char *p;

enum mdoct ntok;

assert( ! (MDOC_PARSED & mdoc_macros[tok].flags));

Line 1253 in_line_eoln(MACRO_PROT_ARGS)

Line 1548 in_line_eoln(MACRO_PROT_ARGS)

for (arg = NULL; ; ) {

la = *pos;

c = mdoc_argv(m, line, tok, &arg, pos, buf);

av = mdoc_argv(m, line, tok, &arg, pos, buf);

if (ARGV_WORD == c) {

if (ARGV_WORD == av) {

*pos = la;

break;

}

if (ARGV_EOLN == c)

if (ARGV_EOLN == av)

break;

if (ARGV_ARG == c)

if (ARGV_ARG == av)

continue;

mdoc_argv_free(arg);

Line 1277 in_line_eoln(MACRO_PROT_ARGS)

Line 1572 in_line_eoln(MACRO_PROT_ARGS)

for (;;) {

la = *pos;

w = mdoc_args(m, line, pos, buf, tok, &p);

ac = mdoc_args(m, line, pos, buf, tok, &p);

if (ARGS_ERROR == w)

if (ARGS_ERROR == ac)

return(0);

if (ARGS_EOLN == w)

if (ARGS_EOLN == ac)

break;

c = ARGS_QWORD == w ? MDOC_MAX : lookup(m, tok, p);

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);

if (MDOC_MAX != c) {

if (MDOC_MAX == ntok) {

if ( ! rew_elem(m, tok))

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

return(mdoc_macro(m, c, line, la, pos, buf));

continue;

}

if ( ! mdoc_word_alloc(m, line, la, p))

if ( ! rew_elem(m, tok))

return(0);

return(mdoc_macro(m, ntok, line, la, pos, buf));

}

/* Close out (no delimiters). */

Line 1304 in_line_eoln(MACRO_PROT_ARGS)

Line 1600 in_line_eoln(MACRO_PROT_ARGS)

/* ARGSUSED */

static int

ctx_synopsis(MACRO_PROT_ARGS)

{

int nl;

nl = MDOC_NEWLINE & m->flags;

/* If we're not in the SYNOPSIS, go straight to in-line. */

if (SEC_SYNOPSIS != m->lastsec)

return(in_line(m, tok, line, ppos, pos, buf));

/* If we're a nested call, same place. */

if ( ! nl)

return(in_line(m, tok, line, ppos, pos, buf));

* XXX: this will open a block scope; however, if later we end

* up formatting the block scope, then child nodes will inherit

* the formatting. Be careful.

return(blk_part_imp(m, tok, line, ppos, pos, buf));

}

/* ARGSUSED */

static int

obsolete(MACRO_PROT_ARGS)

{

return(mdoc_pwarn(m, line, ppos, EOBS));

return(mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS));

}

Line 1319 obsolete(MACRO_PROT_ARGS)

Line 1641 obsolete(MACRO_PROT_ARGS)

static int

phrase(struct mdoc *m, int line, int ppos, char *buf)

{

int c, w, la, pos;

int la, pos;

char *p;

enum margserr ac;

enum mdoct ntok;

char *p;

for (pos = ppos; ; ) {

la = pos;

/* Note: no calling context! */

ac = mdoc_zargs(m, line, &pos, buf, 0, &p);

w = mdoc_zargs(m, line, &pos, buf, 0, &p);

if (ARGS_ERROR == w)

if (ARGS_ERROR == ac)

return(0);

if (ARGS_EOLN == w)

if (ARGS_EOLN == ac)

break;

c = ARGS_QWORD == w ? MDOC_MAX : lookup_raw(m, p);

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);

if (MDOC_MAX != c) {

if (MDOC_MAX == ntok) {

if ( ! mdoc_macro(m, c, line, la, &pos, buf))

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

return(append_delims(m, line, &pos, buf));

continue;

}

if ( ! mdoc_word_alloc(m, line, la, p))

if ( ! mdoc_macro(m, ntok, line, la, &pos, buf))

return(0);

return(append_delims(m, line, &pos, buf));

}

return(1);

}

static int

phrase_ta(MACRO_PROT_ARGS)

{

int la;

enum mdoct ntok;

enum margserr ac;

struct mdoc_node *n;

char *p;

* FIXME: this is overly restrictive: if the `Ta' is unexpected,

* it should simply error out with ARGSLOST.

n = m->last;

if ( ! rew_sub(MDOC_BODY, m, MDOC_It, line, ppos))

return(0);

* FIXME: this is necessary in bogus constructions like

* .Bl -column foo bar

* .Sy foo Ta bar

* It is, however, an ugly way to do it.

* XXX; remove this when the above construct builds an implied

* `It' marker.

if (NULL == m->last ||

MDOC_BODY != m->last->type ||

MDOC_It != m->last->tok) {

swarn(m, tok, line, ppos, n);

return(0);

}

if ( ! mdoc_body_alloc(m, line, ppos, MDOC_It))

return(0);

for (;;) {

la = *pos;

ac = mdoc_zargs(m, line, pos, buf, 0, &p);

if (ARGS_ERROR == ac)

return(0);

if (ARGS_EOLN == ac)

break;

ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);

if (MDOC_MAX == ntok) {

if ( ! mdoc_word_alloc(m, line, la, p))

return(0);

continue;

}

if ( ! mdoc_macro(m, ntok, line, la, pos, buf))

return(0);

return(append_delims(m, line, pos, buf));

}

return(1);

}

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