-/* $Id: mdoc_macro.c,v 1.200 2015/05/01 16:58:33 schwarze Exp $ */
+/* $Id: mdoc_macro.c,v 1.234 2020/01/19 18:02:00 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010, 2012-2020 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
static void append_delims(struct roff_man *, int, int *, char *);
static void dword(struct roff_man *, int, int, const char *,
enum mdelim, int);
-static int find_pending(struct roff_man *, int, int, int,
- struct roff_node *);
+static int find_pending(struct roff_man *, enum roff_tok,
+ int, int, struct roff_node *);
static int lookup(struct roff_man *, int, int, int, const char *);
-static int macro_or_word(MACRO_PROT_ARGS, int);
-static int parse_rest(struct roff_man *, int, int, int *, char *);
-static int rew_alt(int);
-static void rew_elem(struct roff_man *, int);
+static int macro_or_word(MACRO_PROT_ARGS, char *, int);
+static void break_intermediate(struct roff_node *,
+ struct roff_node *);
+static int parse_rest(struct roff_man *, enum roff_tok,
+ int, int *, char *);
+static enum roff_tok rew_alt(enum roff_tok);
+static void rew_elem(struct roff_man *, enum roff_tok);
static void rew_last(struct roff_man *, const struct roff_node *);
static void rew_pending(struct roff_man *,
const struct roff_node *);
-const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
- { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
+static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
+ { in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* Dd */
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
{ blk_full, MDOC_PARSED | MDOC_JOIN }, /* It */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* An */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
{ in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
{ 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 */
+ { in_line_eoln, 0 }, /* Tg */
};
-const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
+const struct mdoc_macro *
+mdoc_macro(enum roff_tok tok)
+{
+ assert(tok >= MDOC_Dd && tok < MDOC_MAX);
+ return mdoc_macros + (tok - MDOC_Dd);
+}
/*
* This is called at the end of parsing. It must traverse up the tree,
/* Scan for open explicit scopes. */
- n = mdoc->last->flags & MDOC_VALID ?
+ n = mdoc->last->flags & NODE_VALID ?
mdoc->last->parent : mdoc->last;
for ( ; n; n = n->parent)
if (n->type == ROFFT_BLOCK &&
- mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
- mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
- n->line, n->pos, mdoc_macronames[n->tok]);
+ mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
+ mandoc_msg(MANDOCERR_BLK_NOEND,
+ n->line, n->pos, "%s", roff_name[n->tok]);
/* Rewind to the first. */
- rew_last(mdoc, mdoc->first);
+ rew_last(mdoc, mdoc->meta.first);
}
/*
static int
lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
{
- int res;
+ enum roff_tok res;
- if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
- res = mdoc_hash_find(p);
+ if (mdoc->flags & MDOC_PHRASEQF) {
+ mdoc->flags &= ~MDOC_PHRASEQF;
+ return TOKEN_NONE;
+ }
+ if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
+ res = roffhash_find(mdoc->mdocmac, p, 0);
if (res != TOKEN_NONE) {
- if (mdoc_macros[res].flags & MDOC_CALLABLE)
- return(res);
- if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
- mandoc_msg(MANDOCERR_MACRO_CALL,
- mdoc->parse, line, ppos, p);
+ if (mdoc_macro(res)->flags & MDOC_CALLABLE)
+ return res;
+ mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
}
}
- return(TOKEN_NONE);
+ return TOKEN_NONE;
}
/*
static void
rew_last(struct roff_man *mdoc, const struct roff_node *to)
{
- struct roff_node *np;
- if (to->flags & MDOC_VALID)
+ if (to->flags & NODE_VALID)
return;
while (mdoc->last != to) {
- /*
- * Save the parent here, because we may delete the
- * mdoc->last node in the post-validation phase and reset
- * it to mdoc->last->parent, causing a step in the closing
- * out to be lost.
- */
- np = mdoc->last->parent;
- mdoc_valid_post(mdoc);
- mdoc->last = np;
- assert(mdoc->last);
+ mdoc_state(mdoc, mdoc->last);
+ mdoc->last->flags |= NODE_VALID | NODE_ENDED;
+ mdoc->last = mdoc->last->parent;
}
+ mdoc_state(mdoc, mdoc->last);
+ mdoc->last->flags |= NODE_VALID | NODE_ENDED;
mdoc->next = ROFF_NEXT_SIBLING;
- mdoc_valid_post(mdoc);
}
/*
case ROFFT_HEAD:
roff_body_alloc(mdoc, n->line, n->pos,
n->tok);
- return;
+ if (n->tok == MDOC_Ss)
+ mdoc->flags &= ~ROFF_NONOFILL;
+ break;
case ROFFT_BLOCK:
break;
default:
return;
}
- if ( ! (n->flags & MDOC_BROKEN))
+ if ( ! (n->flags & NODE_BROKEN))
return;
} else
n = mdoc->last;
if (n->type == ROFFT_BLOCK ||
n->type == ROFFT_HEAD) {
- if (n->flags & MDOC_ENDED)
+ if (n->flags & NODE_ENDED)
break;
else
return;
* For a block closing macro, return the corresponding opening one.
* Otherwise, return the macro itself.
*/
-static int
-rew_alt(int tok)
+static enum roff_tok
+rew_alt(enum roff_tok tok)
{
switch (tok) {
case MDOC_Ac:
- return(MDOC_Ao);
+ return MDOC_Ao;
case MDOC_Bc:
- return(MDOC_Bo);
+ return MDOC_Bo;
case MDOC_Brc:
- return(MDOC_Bro);
+ return MDOC_Bro;
case MDOC_Dc:
- return(MDOC_Do);
+ return MDOC_Do;
case MDOC_Ec:
- return(MDOC_Eo);
+ return MDOC_Eo;
case MDOC_Ed:
- return(MDOC_Bd);
+ return MDOC_Bd;
case MDOC_Ef:
- return(MDOC_Bf);
+ return MDOC_Bf;
case MDOC_Ek:
- return(MDOC_Bk);
+ return MDOC_Bk;
case MDOC_El:
- return(MDOC_Bl);
+ return MDOC_Bl;
case MDOC_Fc:
- return(MDOC_Fo);
+ return MDOC_Fo;
case MDOC_Oc:
- return(MDOC_Oo);
+ return MDOC_Oo;
case MDOC_Pc:
- return(MDOC_Po);
+ return MDOC_Po;
case MDOC_Qc:
- return(MDOC_Qo);
+ return MDOC_Qo;
case MDOC_Re:
- return(MDOC_Rs);
+ return MDOC_Rs;
case MDOC_Sc:
- return(MDOC_So);
+ return MDOC_So;
case MDOC_Xc:
- return(MDOC_Xo);
+ return MDOC_Xo;
default:
- return(tok);
+ return tok;
}
- /* NOTREACHED */
}
static void
-rew_elem(struct roff_man *mdoc, int tok)
+rew_elem(struct roff_man *mdoc, enum roff_tok tok)
{
struct roff_node *n;
rew_last(mdoc, n);
}
+static void
+break_intermediate(struct roff_node *n, struct roff_node *breaker)
+{
+ if (n != breaker &&
+ n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
+ (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
+ n = n->parent;
+ while (n != breaker) {
+ if ( ! (n->flags & NODE_VALID))
+ n->flags |= NODE_BROKEN;
+ n = n->parent;
+ }
+}
+
/*
* If there is an open sub-block of the target requiring
* explicit close-out, postpone closing out the target until
* the rew_pending() call closing out the sub-block.
*/
static int
-find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
+find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
struct roff_node *target)
{
struct roff_node *n;
int irc;
+ if (target->flags & NODE_VALID)
+ return 0;
+
irc = 0;
for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
- if (n->flags & MDOC_ENDED) {
- if ( ! (n->flags & MDOC_VALID))
- n->flags |= MDOC_BROKEN;
+ if (n->flags & NODE_ENDED)
continue;
- }
if (n->type == ROFFT_BLOCK &&
- mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
+ mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
irc = 1;
- n->flags = MDOC_BROKEN;
+ break_intermediate(mdoc->last, target);
if (target->type == ROFFT_HEAD)
- target->flags = MDOC_ENDED;
- else if ( ! (target->flags & MDOC_ENDED)) {
- mandoc_vmsg(MANDOCERR_BLK_NEST,
- mdoc->parse, line, ppos,
- "%s breaks %s", mdoc_macronames[tok],
- mdoc_macronames[n->tok]);
+ target->flags |= NODE_ENDED;
+ else if ( ! (target->flags & NODE_ENDED)) {
+ mandoc_msg(MANDOCERR_BLK_NEST,
+ line, ppos, "%s breaks %s",
+ roff_name[tok], roff_name[n->tok]);
mdoc_endbody_alloc(mdoc, line, ppos,
- tok, target, ENDBODY_NOSPACE);
+ tok, target);
}
}
}
- return(irc);
+ return irc;
}
/*
*/
if (d == DELIM_OPEN)
- mdoc->last->flags |= MDOC_DELIMO;
+ mdoc->last->flags |= NODE_DELIMO;
else if (d == DELIM_CLOSE &&
! (mdoc->flags & MDOC_NODELIMC) &&
mdoc->last->parent->tok != MDOC_Fd)
- mdoc->last->flags |= MDOC_DELIMC;
+ mdoc->last->flags |= NODE_DELIMC;
mdoc->flags &= ~MDOC_NODELIMC;
}
{
char *p;
int la;
+ enum margserr ac;
if (buf[*pos] == '\0')
return;
for (;;) {
la = *pos;
- if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
- ARGS_EOLN)
+ ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
+ if (ac == ARGS_EOLN)
break;
dword(mdoc, line, la, p, DELIM_MAX, 1);
*/
if (mandoc_eos(p, strlen(p)))
- mdoc->last->flags |= MDOC_EOS;
+ mdoc->last->flags |= NODE_EOS;
+ if (ac == ARGS_ALLOC)
+ free(p);
}
}
* Otherwise, allocate it and return 0.
*/
static int
-macro_or_word(MACRO_PROT_ARGS, int parsed)
+macro_or_word(MACRO_PROT_ARGS, char *p, int parsed)
{
- char *p;
int ntok;
- p = buf + ppos;
- ntok = TOKEN_NONE;
- if (*p == '"')
- p++;
- else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
- ntok = lookup(mdoc, tok, line, ppos, p);
+ ntok = buf[ppos] == '"' || parsed == 0 ||
+ mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
+ lookup(mdoc, tok, line, ppos, p);
if (ntok == TOKEN_NONE) {
dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
- mdoc_macros[tok].flags & MDOC_JOIN);
- return(0);
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ return 0;
} else {
- if (mdoc_macros[tok].fp == in_line_eoln)
+ if (tok != TOKEN_NONE &&
+ mdoc_macro(tok)->fp == in_line_eoln)
rew_elem(mdoc, tok);
- mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
if (tok == TOKEN_NONE)
append_delims(mdoc, line, pos, buf);
- return(1);
+ return 1;
}
}
int j, lastarg, maxargs, nl, pending;
enum margserr ac;
- int atok, ntok;
+ enum roff_tok atok, ntok;
char *p;
nl = MDOC_NEWLINE & mdoc->flags;
break;
}
+ /* Search backwards for the beginning of our own body. */
+
+ atok = rew_alt(tok);
+ body = NULL;
+ for (n = mdoc->last; n; n = n->parent) {
+ if (n->flags & NODE_ENDED || n->tok != atok ||
+ n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
+ continue;
+ body = n;
+ break;
+ }
+
/*
* Search backwards for beginnings of blocks,
* both of our own and of pending sub-blocks.
*/
- atok = rew_alt(tok);
- body = endbody = itblk = later = NULL;
+ endbody = itblk = later = NULL;
for (n = mdoc->last; n; n = n->parent) {
- if (n->flags & MDOC_ENDED) {
- if ( ! (n->flags & MDOC_VALID))
- n->flags |= MDOC_BROKEN;
+ if (n->flags & NODE_ENDED)
continue;
- }
- /* Remember the start of our own body. */
+ /*
+ * Mismatching end macros can never break anything
+ * and we only care about the breaking of BLOCKs.
+ */
- if (n->type == ROFFT_BODY && atok == n->tok) {
- if (n->end == ENDBODY_NOT)
- body = n;
+ if (body == NULL || n->type != ROFFT_BLOCK)
continue;
- }
- if (n->type != ROFFT_BLOCK || n->tok == MDOC_Nm)
+ /*
+ * SYNOPSIS name blocks can not be broken themselves,
+ * but they do get broken together with a broken child.
+ */
+
+ if (n->tok == MDOC_Nm) {
+ if (later != NULL)
+ n->flags |= NODE_BROKEN | NODE_ENDED;
continue;
+ }
if (n->tok == MDOC_It) {
itblk = n;
}
if (atok == n->tok) {
- assert(body);
/*
* Found the start of our own block.
* the scope - of the current block ends.
*/
- mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
+ mandoc_msg(MANDOCERR_BLK_NEST,
line, ppos, "%s breaks %s",
- mdoc_macronames[atok],
- mdoc_macronames[later->tok]);
+ roff_name[atok], roff_name[later->tok]);
endbody = mdoc_endbody_alloc(mdoc, line, ppos,
- atok, body, ENDBODY_SPACE);
+ atok, body);
if (tok == MDOC_El)
- itblk->flags |= MDOC_ENDED | MDOC_BROKEN;
+ itblk->flags |= NODE_ENDED | NODE_BROKEN;
/*
* If a block closing macro taking arguments
break;
}
- /* Explicit blocks close out description lines. */
+ /*
+ * Explicit blocks close out description lines, but
+ * even those can get broken together with a child.
+ */
if (n->tok == MDOC_Nd) {
- rew_last(mdoc, n);
+ if (later != NULL)
+ n->flags |= NODE_BROKEN | NODE_ENDED;
+ else
+ rew_last(mdoc, n);
continue;
}
/* Breaking an open sub block. */
- n->flags |= MDOC_BROKEN;
+ break_intermediate(mdoc->last, body);
+ n->flags |= NODE_BROKEN;
if (later == NULL)
later = n;
}
if (body == NULL) {
- mandoc_msg(MANDOCERR_BLK_NOTOPEN, mdoc->parse,
- line, ppos, mdoc_macronames[tok]);
- if (later != NULL)
- later->flags &= ~MDOC_BROKEN;
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
+ "%s", roff_name[tok]);
if (maxargs && endbody == NULL) {
/*
* Stray .Ec without previous .Eo:
* Break the output line, keep the arguments.
*/
- roff_elem_alloc(mdoc, line, ppos, MDOC_br);
- rew_elem(mdoc, MDOC_br);
+ roff_elem_alloc(mdoc, line, ppos, ROFF_br);
+ rew_elem(mdoc, ROFF_br);
}
} else if (endbody == NULL) {
rew_last(mdoc, body);
mdoc_tail_alloc(mdoc, line, ppos, atok);
}
- if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
+ if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
if (buf[*pos] != '\0')
- mandoc_vmsg(MANDOCERR_ARG_SKIP,
- mdoc->parse, line, ppos,
- "%s %s", mdoc_macronames[tok],
- buf + *pos);
+ mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
+ "%s %s", roff_name[tok], buf + *pos);
if (endbody == NULL && n != NULL)
rew_pending(mdoc, n);
+
+ /*
+ * Restore the fill mode that was set before the display.
+ * This needs to be done here rather than during validation
+ * such that subsequent nodes get the right flags.
+ */
+
+ if (tok == MDOC_Ed && body != NULL) {
+ if (body->flags & NODE_NOFILL)
+ mdoc->flags |= ROFF_NOFILL;
+ else
+ mdoc->flags &= ~ROFF_NOFILL;
+ }
return;
}
if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
- ntok = ac == ARGS_QWORD ? TOKEN_NONE :
- lookup(mdoc, tok, line, lastarg, p);
+ ntok = lookup(mdoc, tok, line, lastarg, p);
if (ntok == TOKEN_NONE) {
dword(mdoc, line, lastarg, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags);
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
+ if (ac == ARGS_ALLOC)
+ free(p);
if (n != NULL)
rew_last(mdoc, n);
mdoc->flags &= ~MDOC_NEWLINE;
- mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
break;
}
if (n != NULL) {
- if (ntok != TOKEN_NONE && n->flags & MDOC_BROKEN) {
+ pending = 0;
+ if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
target = n;
do
target = target->parent;
- while ( ! (target->flags & MDOC_ENDED));
- pending = find_pending(mdoc, ntok, line, ppos,
- target);
- } else
- pending = 0;
+ while ( ! (target->flags & NODE_ENDED));
+ pending = find_pending(mdoc, ntok, line, ppos, target);
+ }
if ( ! pending)
rew_pending(mdoc, n);
}
in_line(MACRO_PROT_ARGS)
{
int la, scope, cnt, firstarg, mayopen, nc, nl;
- int ntok;
+ enum roff_tok ntok;
enum margserr ac;
enum mdelim d;
struct mdoc_arg *arg;
switch (tok) {
case MDOC_An:
- /* FALLTHROUGH */
case MDOC_Ar:
- /* FALLTHROUGH */
case MDOC_Fl:
- /* FALLTHROUGH */
case MDOC_Mt:
- /* FALLTHROUGH */
case MDOC_Nm:
- /* FALLTHROUGH */
case MDOC_Pa:
nc = 1;
break;
if (ac == ARGS_EOLN) {
if (d == DELIM_OPEN)
- mdoc->last->flags &= ~MDOC_DELIMO;
+ mdoc->last->flags &= ~NODE_DELIMO;
break;
}
break;
}
- ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
+ ntok = (tok == MDOC_Fn && !cnt) ?
TOKEN_NONE : lookup(mdoc, tok, line, la, p);
/*
} else if ( ! nc && ! cnt) {
mdoc_argv_free(arg);
mandoc_msg(MANDOCERR_MACRO_EMPTY,
- mdoc->parse, line, ppos,
- mdoc_macronames[tok]);
+ line, ppos, "%s", roff_name[tok]);
}
- mdoc_macro(mdoc, ntok, line, la, pos, buf);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok,
+ line, la, pos, buf);
if (nl)
append_delims(mdoc, line, pos, buf);
+ if (ac == ARGS_ALLOC)
+ free(p);
return;
}
/*
- * Non-quote-enclosed punctuation. Set up our scope, if
- * a word; rewind the scope, if a delimiter; then append
- * the word.
+ * Handle punctuation. Set up our scope, if a word;
+ * rewind the scope, if a delimiter; then append the word.
*/
- d = ac == ARGS_QWORD ? DELIM_NONE : mdoc_isdelim(p);
-
- if (DELIM_NONE != d) {
+ if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
/*
* If we encounter closing punctuation, no word
* has been emitted, no scope is open, and we're
* Close out our scope, if one is open, before
* any punctuation.
*/
- if (scope)
+ if (scope && tok != MDOC_Lk) {
rew_elem(mdoc, tok);
- scope = 0;
- if (tok == MDOC_Fn)
- mayopen = 0;
+ scope = 0;
+ if (tok == MDOC_Fn)
+ mayopen = 0;
+ }
} else if (mayopen && !scope) {
mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
scope = 1;
}
dword(mdoc, line, la, p, d,
- MDOC_JOIN & mdoc_macros[tok].flags);
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+
+ if (ac == ARGS_ALLOC)
+ free(p);
/*
* If the first argument is a closing delimiter,
*/
if (firstarg && d == DELIM_CLOSE && !nc)
- mdoc->last->flags &= ~MDOC_DELIMC;
+ mdoc->last->flags &= ~NODE_DELIMC;
firstarg = 0;
/*
}
}
- if (scope)
+ if (scope && tok != MDOC_Lk) {
rew_elem(mdoc, tok);
+ scope = 0;
+ }
/*
* If no elements have been collected and we're allowed to have
rew_last(mdoc, mdoc->last);
} else {
mdoc_argv_free(arg);
- mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
- line, ppos, mdoc_macronames[tok]);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
}
}
if (nl)
append_delims(mdoc, line, pos, buf);
+ if (scope)
+ rew_elem(mdoc, tok);
}
static void
blk_full(MACRO_PROT_ARGS)
{
- int la, nl, parsed;
struct mdoc_arg *arg;
struct roff_node *blk; /* Our own or a broken block. */
struct roff_node *head; /* Our own head. */
struct roff_node *body; /* Our own body. */
struct roff_node *n;
- enum margserr ac, lac;
char *p;
+ size_t iarg;
+ int done, la, nl, parsed;
+ enum margserr ac, lac;
nl = MDOC_NEWLINE & mdoc->flags;
if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
- mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
- line, ppos, mdoc_macronames[tok]);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
return;
}
- if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
+ if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
/* Here, tok is one of Sh Ss Nm Nd It. */
blk = NULL;
for (n = mdoc->last; n != NULL; n = n->parent) {
- if (n->flags & MDOC_ENDED) {
- if ( ! (n->flags & MDOC_VALID))
- n->flags |= MDOC_BROKEN;
+ if (n->flags & NODE_ENDED) {
+ if ( ! (n->flags & NODE_VALID))
+ n->flags |= NODE_BROKEN;
continue;
}
if (n->type != ROFFT_BLOCK)
if (tok == MDOC_It && n->tok == MDOC_Bl) {
if (blk != NULL) {
- mandoc_vmsg(MANDOCERR_BLK_BROKEN,
- mdoc->parse, line, ppos,
- "It breaks %s",
- mdoc_macronames[blk->tok]);
+ mandoc_msg(MANDOCERR_BLK_BROKEN,
+ line, ppos, "It breaks %s",
+ roff_name[blk->tok]);
rew_pending(mdoc, blk);
}
break;
}
- if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
+ if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
switch (tok) {
case MDOC_Sh:
- /* FALLTHROUGH */
case MDOC_Ss:
- mandoc_vmsg(MANDOCERR_BLK_BROKEN,
- mdoc->parse, line, ppos,
- "%s breaks %s",
- mdoc_macronames[tok],
- mdoc_macronames[n->tok]);
+ mandoc_msg(MANDOCERR_BLK_BROKEN,
+ line, ppos,
+ "%s breaks %s", roff_name[tok],
+ roff_name[n->tok]);
rew_pending(mdoc, n);
n = mdoc->last;
continue;
/* Item breaking an explicit block. */
if (blk != NULL) {
- mandoc_vmsg(MANDOCERR_BLK_BROKEN,
- mdoc->parse, line, ppos,
- "It breaks %s",
- mdoc_macronames[blk->tok]);
+ mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
+ "It breaks %s", roff_name[blk->tok]);
rew_pending(mdoc, blk);
blk = NULL;
}
/* Close out prior implicit scopes. */
- rew_last(mdoc, n);
+ rew_pending(mdoc, n);
}
/* Skip items outside lists. */
if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
- mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
+ mandoc_msg(MANDOCERR_IT_STRAY,
line, ppos, "It %s", buf + *pos);
- roff_elem_alloc(mdoc, line, ppos, MDOC_br);
- rew_elem(mdoc, MDOC_br);
+ roff_elem_alloc(mdoc, line, ppos, ROFF_br);
+ rew_elem(mdoc, ROFF_br);
return;
}
}
* regular child nodes.
*/
+ switch (tok) {
+ case MDOC_Sh:
+ mdoc->flags &= ~ROFF_NOFILL;
+ break;
+ case MDOC_Ss:
+ mdoc->flags |= ROFF_NONOFILL;
+ break;
+ default:
+ break;
+ }
mdoc_argv(mdoc, line, tok, &arg, pos, buf);
blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
head = body = NULL;
if (tok == MDOC_Bk)
mdoc->flags |= MDOC_KEEP;
- ac = ARGS_PEND;
+ ac = ARGS_EOLN;
for (;;) {
+
+ /*
+ * If we are right after a tab character,
+ * do not parse the first word for macros.
+ */
+
+ if (mdoc->flags & MDOC_PHRASEQN) {
+ mdoc->flags &= ~MDOC_PHRASEQN;
+ mdoc->flags |= MDOC_PHRASEQF;
+ }
+
la = *pos;
lac = ac;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
if (ac == ARGS_EOLN) {
- if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
+ if (lac != ARGS_PHRASE ||
+ ! (mdoc->flags & MDOC_PHRASEQF))
break;
+
/*
- * This is necessary: if the last token on a
- * line is a `Ta' or tab, then we'll get
- * ARGS_EOLN, so we must be smart enough to
- * reopen our scope if the last parse was a
- * phrase or partial phrase.
+ * This line ends in a tab; start the next
+ * column now, with a leading blank.
*/
+
if (body != NULL)
rew_last(mdoc, body);
body = roff_body_alloc(mdoc, line, ppos, tok);
+ roff_word_alloc(mdoc, line, ppos, "\\&");
break;
}
+
if (tok == MDOC_Bd || tok == MDOC_Bk) {
- mandoc_vmsg(MANDOCERR_ARG_EXCESS,
- mdoc->parse, line, la, "%s ... %s",
- mdoc_macronames[tok], buf + la);
+ mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
+ "%s ... %s", roff_name[tok], buf + la);
+ if (ac == ARGS_ALLOC)
+ free(p);
break;
}
if (tok == MDOC_Rs) {
- mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
+ mandoc_msg(MANDOCERR_ARG_SKIP,
line, la, "Rs %s", buf + la);
+ if (ac == ARGS_ALLOC)
+ free(p);
break;
}
if (ac == ARGS_PUNCT)
*/
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);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
if (head == NULL)
head = roff_head_alloc(mdoc, line, ppos, tok);
- if (ac == ARGS_PHRASE ||
- ac == ARGS_PEND ||
- ac == ARGS_PPHRASE) {
+ if (ac == ARGS_PHRASE) {
/*
* If we haven't opened a body yet, rewind the
rew_last(mdoc, body == NULL ? head : body);
body = roff_body_alloc(mdoc, line, ppos, tok);
- /*
- * Process phrases: set whether we're in a
- * partial-phrase (this effects line handling)
- * then call down into the phrase parser.
- */
+ /* Process to the tab or to the end of the line. */
- if (ac == ARGS_PPHRASE)
- mdoc->flags |= MDOC_PPHRASE;
- if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
- mdoc->flags |= MDOC_PPHRASE;
+ mdoc->flags |= MDOC_PHRASE;
parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
- mdoc->flags &= ~MDOC_PPHRASE;
+ mdoc->flags &= ~MDOC_PHRASE;
+
+ /* There may have been `Ta' macros. */
+
+ while (body->next != NULL)
+ body = body->next;
continue;
}
- if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
}
- if (blk->flags & MDOC_VALID)
+ if (blk->flags & NODE_VALID)
return;
if (head == NULL)
head = roff_head_alloc(mdoc, line, ppos, tok);
rew_last(mdoc, head);
body = roff_body_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Ss)
+ mdoc->flags &= ~ROFF_NONOFILL;
+
+ /*
+ * Set up fill mode for display blocks.
+ * This needs to be done here up front rather than during
+ * validation such that child nodes get the right flags.
+ */
+
+ if (tok == MDOC_Bd && arg != NULL) {
+ for (iarg = 0; iarg < arg->argc; iarg++) {
+ switch (arg->argv[iarg].arg) {
+ case MDOC_Unfilled:
+ case MDOC_Literal:
+ mdoc->flags |= ROFF_NOFILL;
+ break;
+ case MDOC_Filled:
+ case MDOC_Ragged:
+ case MDOC_Centred:
+ mdoc->flags &= ~ROFF_NOFILL;
+ break;
+ default:
+ continue;
+ }
+ break;
+ }
+ }
out:
if (mdoc->flags & MDOC_FREECOL) {
rew_last(mdoc, body);
static void
blk_part_imp(MACRO_PROT_ARGS)
{
- int la, nl;
+ int done, la, nl;
enum margserr ac;
char *p;
struct roff_node *blk; /* saved block context */
if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
break;
- if (body == NULL && ac != ARGS_QWORD &&
- mdoc_isdelim(p) == DELIM_OPEN) {
+ if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
if (body == NULL)
body = roff_body_alloc(mdoc, line, ppos, tok);
- if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
}
if (body == NULL)
for (n = body->child; n && n->next; n = n->next)
/* Do nothing. */ ;
if (n && n->tok == MDOC_Ns)
- mdoc_node_relink(mdoc, n);
+ roff_node_relink(mdoc, n);
}
static void
blk_part_exp(MACRO_PROT_ARGS)
{
- int la, nl;
+ int done, la, nl;
enum margserr ac;
struct roff_node *head; /* keep track of head */
char *p;
/* Flush out leading punctuation. */
- if (head == NULL && ac != ARGS_QWORD &&
- mdoc_isdelim(p) == DELIM_OPEN) {
+ if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
dword(mdoc, line, la, p, DELIM_MAX, 0);
rew_last(mdoc, head);
roff_body_alloc(mdoc, line, ppos, tok);
- if (tok == MDOC_Eo)
+ if (tok == MDOC_Eo) {
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
+ }
}
- if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
}
struct mdoc_arg *arg;
char *p;
enum margserr ac;
- int ntok;
+ enum roff_tok ntok;
int state; /* arg#; -1: not yet open; -2: closed */
int la, maxargs, nl;
switch (tok) {
case MDOC_Ap:
- /* FALLTHROUGH */
case MDOC_Ns:
- /* FALLTHROUGH */
case MDOC_Ux:
maxargs = 0;
break;
case MDOC_Bx:
- /* FALLTHROUGH */
case MDOC_Es:
- /* FALLTHROUGH */
case MDOC_Xr:
maxargs = 2;
break;
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ac == ARGS_WORD && state == -1 &&
- ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
+ if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
+ (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
mdoc_isdelim(p) == DELIM_OPEN) {
dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
if (abs(state) < 2 && tok == MDOC_Pf)
- mandoc_vmsg(MANDOCERR_PF_SKIP,
- mdoc->parse, line, ppos, "Pf %s",
+ mandoc_msg(MANDOCERR_PF_SKIP,
+ line, ppos, "Pf %s",
p == NULL ? "at eol" : p);
break;
}
state = -2;
}
- ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
+ ntok = (tok == MDOC_Pf && state == 0) ?
TOKEN_NONE : lookup(mdoc, tok, line, la, p);
if (ntok != TOKEN_NONE) {
rew_elem(mdoc, tok);
state = -2;
}
- mdoc_macro(mdoc, ntok, line, la, pos, buf);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok,
+ line, la, pos, buf);
+ if (ac == ARGS_ALLOC)
+ free(p);
break;
}
- if (ac == ARGS_QWORD ||
- mdoc_macros[tok].flags & MDOC_IGNDELIM ||
+ if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
mdoc_isdelim(p) == DELIM_NONE) {
if (state == -1) {
mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
}
dword(mdoc, line, la, p, DELIM_MAX,
- MDOC_JOIN & mdoc_macros[tok].flags);
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ p = mdoc->last->string;
}
if (state == -1) {
- mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
- line, ppos, mdoc_macronames[tok]);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
return;
}
}
if (buf[*pos] == '\0' &&
- (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
- mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
- line, ppos, mdoc_macronames[tok]);
+ (tok == MDOC_Fd || *roff_name[tok] == '%')) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
return;
}
* or until the next macro, call that macro, and return 1.
*/
static int
-parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
+parse_rest(struct roff_man *mdoc, enum roff_tok tok,
+ int line, int *pos, char *buf)
{
- int la;
+ char *p;
+ int done, la;
+ enum margserr ac;
for (;;) {
la = *pos;
- if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
- return(0);
- if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
- return(1);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_EOLN)
+ return 0;
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
+ return 1;
}
}
body = NULL;
for (n = mdoc->last; n != NULL; n = n->parent) {
- if (n->flags & MDOC_ENDED)
+ if (n->flags & NODE_ENDED)
continue;
if (n->tok == MDOC_It && n->type == ROFFT_BODY)
body = n;
- if (n->tok == MDOC_Bl)
+ if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
break;
}
if (n == NULL || n->norm->Bl.type != LIST_column) {
- mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
- line, ppos, "Ta");
+ mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
return;
}