-/* $Id: mdoc_macro.c,v 1.166 2015/02/02 04:26:44 schwarze Exp $ */
+/* $Id: mdoc_macro.c,v 1.192 2015/04/19 14:25:41 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
#include <string.h>
#include <time.h>
-#include "mdoc.h"
#include "mandoc.h"
-#include "libmdoc.h"
+#include "roff.h"
+#include "mdoc.h"
#include "libmandoc.h"
-
-enum rew { /* see rew_dohalt() */
- REWIND_NONE,
- REWIND_THIS,
- REWIND_MORE,
- REWIND_FORCE,
- REWIND_LATER,
- REWIND_ERROR
-};
+#include "roff_int.h"
+#include "libmdoc.h"
static void blk_full(MACRO_PROT_ARGS);
static void blk_exp_close(MACRO_PROT_ARGS);
static void in_line(MACRO_PROT_ARGS);
static void phrase_ta(MACRO_PROT_ARGS);
-static void dword(struct mdoc *, int, int, const char *,
- enum mdelim, int);
-static void append_delims(struct mdoc *, int, int *, char *);
-static enum mdoct lookup(struct mdoc *, enum mdoct,
- int, int, const char *);
+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 lookup(struct roff_man *, int, int, int, const char *);
static int macro_or_word(MACRO_PROT_ARGS, int);
-static int make_pending(struct mdoc_node *, enum mdoct,
- struct mdoc *, int, int);
-static int parse_rest(struct mdoc *, enum mdoct,
- 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 void rew_elem(struct mdoc *, enum mdoct);
-static void rew_last(struct mdoc *, const struct mdoc_node *);
-static void rew_pending(struct mdoc *, const struct mdoc_node *);
-static void rew_sub(enum mdoc_type, struct mdoc *,
- enum mdoct, int, 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 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 */
* are errors.
*/
void
-mdoc_macroend(struct mdoc *mdoc)
+mdoc_macroend(struct roff_man *mdoc)
{
- struct mdoc_node *n;
+ struct roff_node *n;
/* Scan for open explicit scopes. */
mdoc->last->parent : mdoc->last;
for ( ; n; n = n->parent)
- if (n->type == MDOC_BLOCK &&
+ 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]);
/*
* Look up the macro at *p called by "from",
- * or as a line macro if from == MDOC_MAX.
+ * or as a line macro if from == TOKEN_NONE.
*/
-static enum mdoct
-lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p)
+static int
+lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
{
- enum mdoct res;
+ int res;
- if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
+ if (from == TOKEN_NONE || mdoc_macros[from].flags & MDOC_PARSED) {
res = mdoc_hash_find(p);
- if (res != MDOC_MAX) {
+ if (res != TOKEN_NONE) {
if (mdoc_macros[res].flags & MDOC_CALLABLE)
return(res);
if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
mdoc->parse, line, ppos, p);
}
}
- return(MDOC_MAX);
+ return(TOKEN_NONE);
}
/*
* Rewind up to and including a specific node.
*/
static void
-rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
+rew_last(struct roff_man *mdoc, const struct roff_node *to)
{
- struct mdoc_node *n, *np;
+ struct roff_node *n, *np;
- assert(to);
- mdoc->next = MDOC_NEXT_SIBLING;
+ if (to->flags & MDOC_VALID)
+ return;
+
+ mdoc->next = ROFF_NEXT_SIBLING;
while (mdoc->last != to) {
- if ( ! (mdoc->last->flags & MDOC_VALID))
- mdoc->last->lastline = to->lastline -
- (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
/*
* Save the parent here, because we may delete the
* mdoc->last node in the post-validation phase and reset
* Rewind up to a specific block, including all blocks that broke it.
*/
static void
-rew_pending(struct mdoc *mdoc, const struct mdoc_node *n)
+rew_pending(struct roff_man *mdoc, const struct roff_node *n)
{
- rew_last(mdoc, n);
+ for (;;) {
+ rew_last(mdoc, n);
- if (n->type != MDOC_BLOCK)
- return;
+ switch (n->type) {
+ case ROFFT_HEAD:
+ roff_body_alloc(mdoc, n->line, n->pos, n->tok);
+ return;
+ case ROFFT_BLOCK:
+ break;
+ default:
+ return;
+ }
- while ((n = n->pending) != NULL) {
- rew_last(mdoc, n);
- if (n->type == MDOC_HEAD)
- mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
+ if ( ! (n->flags & MDOC_BROKEN))
+ return;
+
+ for (;;) {
+ if ((n = n->parent) == NULL)
+ return;
+
+ if (n->type == ROFFT_BLOCK ||
+ n->type == ROFFT_HEAD) {
+ if (n->flags & MDOC_ENDED)
+ break;
+ else
+ return;
+ }
+ }
}
}
* For a block closing macro, return the corresponding opening one.
* Otherwise, return the macro itself.
*/
-static enum mdoct
-rew_alt(enum mdoct tok)
+static int
+rew_alt(int tok)
{
switch (tok) {
case MDOC_Ac:
/* NOTREACHED */
}
-/*
- * Rewinding to tok, how do we have to handle *p?
- * REWIND_NONE: *p would delimit tok, but no tok scope is open
- * inside *p, so there is no need to rewind anything at all.
- * REWIND_THIS: *p matches tok, so rewind *p and nothing else.
- * REWIND_MORE: *p is implicit, rewind it and keep searching for tok.
- * REWIND_FORCE: *p is explicit, but tok is full, force rewinding *p.
- * REWIND_LATER: *p is explicit and still open, postpone rewinding.
- * REWIND_ERROR: No tok block is open at all.
- */
-static enum rew
-rew_dohalt(enum mdoct tok, enum mdoc_type type,
- const struct mdoc_node *p)
-{
-
- /*
- * No matching token, no delimiting block, no broken block.
- * This can happen when full implicit macros are called for
- * the first time but try to rewind their previous
- * instance anyway.
- */
- if (MDOC_ROOT == p->type)
- return(MDOC_BLOCK == type &&
- MDOC_EXPLICIT & mdoc_macros[tok].flags ?
- REWIND_ERROR : REWIND_NONE);
-
- /*
- * When starting to rewind, skip plain text
- * and nodes that have already been rewound.
- */
- if (p->type == MDOC_TEXT || p->flags & (MDOC_VALID | MDOC_BREAK))
- return(REWIND_MORE);
-
- /*
- * The easiest case: Found a matching token.
- * This applies to both blocks and elements.
- */
- tok = rew_alt(tok);
- if (tok == p->tok)
- return(p->end ? REWIND_NONE :
- type == p->type ? REWIND_THIS : REWIND_MORE);
-
- /*
- * While elements do require rewinding for themselves,
- * they never affect rewinding of other nodes.
- */
- if (MDOC_ELEM == p->type)
- return(REWIND_MORE);
-
- /*
- * Blocks delimited by our target token get REWIND_MORE.
- * Blocks delimiting our target token get REWIND_NONE.
- */
- switch (tok) {
- case MDOC_Bl:
- if (MDOC_It == p->tok)
- return(REWIND_MORE);
- break;
- case MDOC_It:
- if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
- return(REWIND_NONE);
- break;
- /*
- * XXX Badly nested block handling still fails badly
- * when one block is breaking two blocks of the same type.
- * This is an incomplete and extremely ugly workaround,
- * required to let the OpenBSD tree build.
- */
- case MDOC_Oo:
- if (MDOC_Op == p->tok)
- return(REWIND_MORE);
- break;
- case MDOC_Nm:
- return(REWIND_NONE);
- case MDOC_Nd:
- /* FALLTHROUGH */
- case MDOC_Ss:
- if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
- return(REWIND_NONE);
- /* FALLTHROUGH */
- 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);
- break;
- default:
- break;
- }
-
- /*
- * 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 == type || (MDOC_BLOCK == p->type &&
- ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
- return(REWIND_MORE);
-
- /*
- * By default, closing out full blocks
- * forces closing of broken explicit blocks,
- * while closing out partial blocks
- * allows delayed rewinding by default.
- */
- return (&blk_full == mdoc_macros[tok].fp ?
- REWIND_FORCE : REWIND_LATER);
-}
-
static void
-rew_elem(struct mdoc *mdoc, enum mdoct tok)
+rew_elem(struct roff_man *mdoc, int tok)
{
- struct mdoc_node *n;
+ struct roff_node *n;
n = mdoc->last;
- if (MDOC_ELEM != n->type)
+ if (n->type != ROFFT_ELEM)
n = n->parent;
- assert(MDOC_ELEM == n->type);
+ assert(n->type == ROFFT_ELEM);
assert(tok == n->tok);
rew_last(mdoc, n);
}
/*
- * We are trying to close a block identified by tok,
- * but the child block *broken is still open.
- * Thus, postpone closing the tok block
- * until the rew_sub call closing *broken.
+ * 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
-make_pending(struct mdoc_node *broken, enum mdoct tok,
- struct mdoc *mdoc, int line, int ppos)
+find_pending(struct roff_man *mdoc, int tok, int line, int ppos,
+ struct roff_node *target)
{
- struct mdoc_node *breaker;
-
- /*
- * Iterate backwards, searching for the block matching tok,
- * that is, the block breaking the *broken block.
- */
- for (breaker = broken->parent; breaker; breaker = breaker->parent) {
-
- /*
- * If the *broken block (Z) is already broken and we
- * encounter its breaker (B), make the tok block (A)
- * pending on that inner breaker (B).
- * Graphically, [A breaker=[B! broken=[Z->B B] tok=A] Z]
- * becomes breaker=[A broken=[B! [Z->B B] tok=A] Z]
- * and finally [A! [B!->A [Z->B B] A] Z].
- * In these graphics, "->" indicates the "pending"
- * pointer and "!" indicates the MDOC_BREAK flag.
- * Each of the cases gets one additional pointer (B->A)
- * and one additional flag (A!).
- */
- if (breaker == broken->pending) {
- broken = breaker;
+ struct roff_node *n;
+ int irc;
+
+ 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;
continue;
}
-
- if (REWIND_THIS != rew_dohalt(tok, MDOC_BLOCK, breaker))
- continue;
- if (MDOC_BODY == broken->type)
- broken = broken->parent;
-
- /*
- * Found the breaker.
- * If another, outer breaker (X) is already pending on
- * the *broken block (B), we must not clobber the link
- * to the outer breaker, but make it pending on the
- * new, now inner breaker (A).
- * Graphically, [X! breaker=[A broken=[B->X X] tok=A] B]
- * becomes [X! breaker=[A->X broken=[B X] tok=A] B]
- * and finally [X! [A!->X [B->A X] A] B].
- */
- if (broken->pending) {
- struct mdoc_node *taker;
-
- /*
- * If the inner breaker (A) is already broken,
- * too, it cannot take on the outer breaker (X)
- * but must hand it on to its own breakers (Y):
- * [X! [Y! breaker=[A->Y Y] broken=[B->X X] tok=A] B]
- * [X! take=[Y!->X brea=[A->Y Y] brok=[B X] tok=A] B]
- * and finally [X! [Y!->X [A!->Y Y] [B->A X] A] B].
- */
- taker = breaker;
- while (taker->pending)
- taker = taker->pending;
- taker->pending = broken->pending;
- }
-
- /*
- * Now we have reduced the situation to the simplest
- * case, which is just breaker=[A broken=[B tok=A] B]
- * and becomes [A! [B->A A] B].
- */
- broken->pending = breaker;
- breaker->flags |= MDOC_BREAK;
- if (breaker->body != NULL)
- breaker->body->flags |= MDOC_BREAK;
- mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse, line, ppos,
- "%s breaks %s", mdoc_macronames[tok],
- mdoc_macronames[broken->tok]);
- return(1);
- }
-
- /*
- * Found no matching block for tok.
- * Are you trying to close a block that is not open?
- */
- return(0);
-}
-
-static void
-rew_sub(enum mdoc_type t, struct mdoc *mdoc,
- enum mdoct tok, int line, int ppos)
-{
- struct mdoc_node *n, *to;
-
- to = NULL;
- n = mdoc->last;
- while (n) {
- switch (rew_dohalt(tok, t, n)) {
- case REWIND_NONE:
- if (to == NULL)
- return;
- n = to;
- break;
- case REWIND_THIS:
- n->lastline = line -
- (mdoc->flags & MDOC_NEWLINE &&
- ! (mdoc_macros[tok].flags & MDOC_EXPLICIT));
- break;
- 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:
- n->lastline = line -
- (mdoc->flags & MDOC_NEWLINE ? 1 : 0);
- to = n;
- n = n->parent;
- continue;
- case REWIND_LATER:
- if (make_pending(n, tok, mdoc, line, ppos) ||
- t != MDOC_BLOCK)
- return;
- /* FALLTHROUGH */
- case REWIND_ERROR:
- mandoc_msg(MANDOCERR_BLK_NOTOPEN,
- mdoc->parse, line, ppos,
- mdoc_macronames[tok]);
- return;
+ if (n->type == ROFFT_BLOCK &&
+ mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
+ irc = 1;
+ n->flags = MDOC_BROKEN;
+ 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]);
+ mdoc_endbody_alloc(mdoc, line, ppos,
+ tok, target, ENDBODY_NOSPACE);
+ }
}
- break;
}
- assert(n);
- rew_pending(mdoc, n);
+ return(irc);
}
/*
* Punctuation consists of those tokens found in mdoc_isdelim().
*/
static void
-dword(struct mdoc *mdoc, int line, int col, const char *p,
+dword(struct roff_man *mdoc, int line, int col, const char *p,
enum mdelim d, int may_append)
{
if (may_append &&
! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
- d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
+ d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
- mdoc_word_append(mdoc, p);
+ roff_word_append(mdoc, p);
return;
}
- mdoc_word_alloc(mdoc, line, col, p);
+ roff_word_alloc(mdoc, line, col, p);
/*
* If the word consists of a bare delimiter,
}
static void
-append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
+append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
{
char *p;
int la;
for (;;) {
la = *pos;
- if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
+ if (mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p) ==
+ ARGS_EOLN)
break;
dword(mdoc, line, la, p, DELIM_MAX, 1);
macro_or_word(MACRO_PROT_ARGS, int parsed)
{
char *p;
- enum mdoct ntok;
+ int ntok;
p = buf + ppos;
- ntok = MDOC_MAX;
+ ntok = TOKEN_NONE;
if (*p == '"')
p++;
else if (parsed && ! (mdoc->flags & MDOC_PHRASELIT))
ntok = lookup(mdoc, tok, line, ppos, p);
- if (ntok == MDOC_MAX) {
- dword(mdoc, line, ppos, p, DELIM_MAX, tok == MDOC_MAX ||
+ if (ntok == TOKEN_NONE) {
+ dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
mdoc_macros[tok].flags & MDOC_JOIN);
return(0);
} else {
if (mdoc_macros[tok].fp == in_line_eoln)
rew_elem(mdoc, tok);
mdoc_macro(mdoc, ntok, line, ppos, pos, buf);
- if (tok == MDOC_MAX)
+ if (tok == TOKEN_NONE)
append_delims(mdoc, line, pos, buf);
return(1);
}
static void
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; /* Search back to our block. */
-
- int have_it, j, lastarg, maxargs, nl;
+ struct roff_node *body; /* Our own body. */
+ struct roff_node *endbody; /* Our own end marker. */
+ struct roff_node *itblk; /* An It block starting later. */
+ struct roff_node *later; /* A sub-block starting later. */
+ struct roff_node *n; /* Search back to our block. */
+ struct roff_node *target; /* For find_pending(). */
+
+ int j, lastarg, maxargs, nl, pending;
enum margserr ac;
- enum mdoct atok, ntok;
+ int atok, ntok;
char *p;
nl = MDOC_NEWLINE & mdoc->flags;
* both of our own and of pending sub-blocks.
*/
- have_it = 0;
atok = rew_alt(tok);
- body = endbody = later = NULL;
+ body = endbody = itblk = later = NULL;
for (n = mdoc->last; n; n = n->parent) {
- if (n->flags & (MDOC_VALID | MDOC_BREAK))
+ if (n->flags & MDOC_ENDED) {
+ if ( ! (n->flags & MDOC_VALID))
+ n->flags |= MDOC_BROKEN;
continue;
+ }
/* Remember the start of our own body. */
- if (n->type == MDOC_BODY && atok == n->tok) {
- if (n->end == ENDBODY_NOT) {
+ if (n->type == ROFFT_BODY && atok == n->tok) {
+ if (n->end == ENDBODY_NOT)
body = n;
- n->lastline = line;
- }
continue;
}
- if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
+ if (n->type != ROFFT_BLOCK || n->tok == MDOC_Nm)
continue;
if (n->tok == MDOC_It) {
- have_it = 1;
+ itblk = n;
continue;
}
if (atok == n->tok) {
- n->lastline = line;
assert(body);
/*
*/
if (later == NULL ||
- (tok == MDOC_El && !have_it))
+ (tok == MDOC_El && itblk == NULL))
break;
/*
- * When there is a pending sub block,
- * postpone closing out the current block
- * until the rew_sub() closing out the sub-block.
- */
-
- make_pending(later, tok, mdoc, line, ppos);
-
- /*
+ * When there is a pending sub block, postpone
+ * closing out the current block until the
+ * rew_pending() closing out the sub-block.
* Mark the place where the formatting - but not
* the scope - of the current block ends.
*/
+ mandoc_vmsg(MANDOCERR_BLK_NEST, mdoc->parse,
+ line, ppos, "%s breaks %s",
+ mdoc_macronames[atok],
+ mdoc_macronames[later->tok]);
+
endbody = mdoc_endbody_alloc(mdoc, line, ppos,
atok, body, ENDBODY_SPACE);
+ if (tok == MDOC_El)
+ itblk->flags |= MDOC_ENDED | MDOC_BROKEN;
+
/*
* If a block closing macro taking arguments
* breaks another block, put the arguments
*/
if (maxargs)
- mdoc->next = MDOC_NEXT_CHILD;
+ mdoc->next = ROFF_NEXT_CHILD;
break;
}
- /*
- * When finding an open sub block, remember the last
- * open explicit block, or, in case there are only
- * implicit ones, the first open implicit block.
- */
+ /* Explicit blocks close out description lines. */
+
+ if (n->tok == MDOC_Nd) {
+ rew_last(mdoc, n);
+ continue;
+ }
- if (later == NULL ||
- ! (mdoc_macros[later->tok].flags & MDOC_EXPLICIT))
+ /* Breaking an open sub block. */
+
+ n->flags |= MDOC_BROKEN;
+ if (later == NULL)
later = n;
}
mdoc->parse, line, ppos,
"%s %s", mdoc_macronames[tok],
buf + *pos);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ if (endbody == NULL && n != NULL)
+ rew_pending(mdoc, n);
return;
}
for (j = 0; ; j++) {
lastarg = *pos;
- if (j == maxargs && n != NULL) {
- rew_pending(mdoc, n);
- n = NULL;
- }
+ if (j == maxargs && n != NULL)
+ rew_last(mdoc, n);
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
- ntok = ac == ARGS_QWORD ? MDOC_MAX :
+ ntok = ac == ARGS_QWORD ? TOKEN_NONE :
lookup(mdoc, tok, line, lastarg, p);
- if (ntok == MDOC_MAX) {
+ if (ntok == TOKEN_NONE) {
dword(mdoc, line, lastarg, p, DELIM_MAX,
MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
- if (n != NULL) {
- rew_pending(mdoc, n);
- n = NULL;
- }
+ if (n != NULL)
+ rew_last(mdoc, n);
mdoc->flags &= ~MDOC_NEWLINE;
mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
break;
}
- if (n != NULL)
- rew_pending(mdoc, n);
+ if (n != NULL) {
+ if (n != mdoc->last && n->flags & MDOC_BROKEN) {
+ target = n;
+ do
+ target = target->parent;
+ while ( ! (target->flags & MDOC_ENDED));
+ pending = find_pending(mdoc, ntok, line, ppos,
+ target);
+ } else
+ pending = 0;
+ if ( ! pending)
+ rew_pending(mdoc, n);
+ }
if (nl)
append_delims(mdoc, line, pos, buf);
}
in_line(MACRO_PROT_ARGS)
{
int la, scope, cnt, firstarg, mayopen, nc, nl;
- enum mdoct ntok;
+ int ntok;
enum margserr ac;
enum mdelim d;
struct mdoc_arg *arg;
*/
if (ac == ARGS_PUNCT) {
- if (cnt == 0 && nc == 0)
+ if (cnt == 0 && (nc == 0 || tok == MDOC_An))
mdoc->flags |= MDOC_NODELIMC;
break;
}
ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
- MDOC_MAX : lookup(mdoc, tok, line, la, p);
+ TOKEN_NONE : lookup(mdoc, tok, line, la, p);
/*
* In this case, we've located a submacro and must
* or raise a warning.
*/
- if (ntok != MDOC_MAX) {
+ if (ntok != TOKEN_NONE) {
if (scope)
rew_elem(mdoc, tok);
if (nc && ! cnt) {
{
int la, nl, parsed;
struct mdoc_arg *arg;
- struct mdoc_node *blk; /* Our own block. */
- struct mdoc_node *head; /* Our own head. */
- struct mdoc_node *body; /* Our own body. */
- struct mdoc_node *n;
+ 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;
nl = MDOC_NEWLINE & mdoc->flags;
- /* Skip items outside lists. */
+ if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ line, ppos, mdoc_macronames[tok]);
+ return;
+ }
+
+ if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
+
+ /* Here, tok is one of Sh Ss Nm Nd It. */
- if (tok == MDOC_It) {
- for (n = mdoc->last; n; n = n->parent)
- if (n->tok == MDOC_Bl && n->type == MDOC_BLOCK &&
- ! (n->flags & (MDOC_VALID | MDOC_BREAK)))
+ 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;
+ continue;
+ }
+ if (n->type != ROFFT_BLOCK)
+ continue;
+
+ 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]);
+ rew_pending(mdoc, blk);
+ }
+ break;
+ }
+
+ if (mdoc_macros[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]);
+ rew_pending(mdoc, n);
+ n = mdoc->last;
+ continue;
+ case MDOC_It:
+ /* Delay in case it's astray. */
+ blk = n;
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
+
+ /* Here, n is one of Sh Ss Nm Nd It. */
+
+ if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
+ (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
+ (tok != MDOC_It && n->tok == MDOC_It)))))
break;
- if (n == NULL) {
+
+ /* Item breaking an explicit block. */
+
+ if (blk != NULL) {
+ mandoc_vmsg(MANDOCERR_BLK_BROKEN,
+ mdoc->parse, line, ppos,
+ "It breaks %s",
+ mdoc_macronames[blk->tok]);
+ rew_pending(mdoc, blk);
+ blk = NULL;
+ }
+
+ /* Close out prior implicit scopes. */
+
+ rew_last(mdoc, n);
+ }
+
+ /* Skip items outside lists. */
+
+ if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
line, ppos, "It %s", buf + *pos);
mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
}
}
- /* Close out prior implicit scope. */
-
- if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
- }
-
/*
* This routine accommodates implicitly- and explicitly-scoped
* macro openings. Implicit ones first close out prior scope
*/
if (tok == MDOC_Nd) {
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ head = roff_head_alloc(mdoc, line, ppos, tok);
rew_last(mdoc, head);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
}
if (tok == MDOC_Bk)
la = *pos;
lac = ac;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ac == ARGS_PUNCT)
- break;
if (ac == ARGS_EOLN) {
if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
break;
* reopen our scope if the last parse was a
* phrase or partial phrase.
*/
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ if (body != NULL)
+ rew_last(mdoc, body);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+ break;
+ }
+ if (tok == MDOC_Bd || tok == MDOC_Bk) {
+ mandoc_vmsg(MANDOCERR_ARG_EXCESS,
+ mdoc->parse, line, la, "%s ... %s",
+ mdoc_macronames[tok], buf + la);
+ break;
+ }
+ if (tok == MDOC_Rs) {
+ mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
+ line, la, "Rs %s", buf + la);
break;
}
+ if (ac == ARGS_PUNCT)
+ break;
/*
* Emit leading punctuation (i.e., punctuation before
- * the MDOC_HEAD) for non-phrase types.
+ * the ROFFT_HEAD) for non-phrase types.
*/
if (head == NULL &&
/* Open a head if one hasn't been opened. */
if (head == NULL)
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ head = roff_head_alloc(mdoc, line, ppos, tok);
if (ac == ARGS_PHRASE ||
ac == ARGS_PEND ||
* head; if we have, rewind that instead.
*/
- rew_sub(body ? MDOC_BODY : MDOC_HEAD,
- mdoc, tok, line, ppos);
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, body == NULL ? head : body);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
/*
* Process phrases: set whether we're in a
mdoc->flags |= MDOC_PPHRASE;
if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
mdoc->flags |= MDOC_PPHRASE;
- parse_rest(mdoc, MDOC_MAX, line, &la, buf);
+ parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
mdoc->flags &= ~MDOC_PPHRASE;
continue;
}
if (blk->flags & MDOC_VALID)
return;
if (head == NULL)
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
- if (nl)
+ head = roff_head_alloc(mdoc, line, ppos, tok);
+ if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
append_delims(mdoc, line, pos, buf);
if (body != NULL)
goto out;
-
- /*
- * 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 = mdoc->last; n && n != head; n = n->parent) {
- if (n->type == MDOC_BLOCK &&
- mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
- ! (n->flags & MDOC_VALID)) {
- n->pending = head;
- return;
- }
- }
+ if (find_pending(mdoc, tok, line, ppos, head))
+ return;
/* Close out scopes to remain in a consistent state. */
- rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
- mdoc_body_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, head);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
out:
if (mdoc->flags & MDOC_FREECOL) {
- rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
- rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ rew_last(mdoc, body);
+ rew_last(mdoc, blk);
mdoc->flags &= ~MDOC_FREECOL;
}
}
int la, nl;
enum margserr ac;
char *p;
- struct mdoc_node *blk; /* saved block context */
- struct mdoc_node *body; /* saved body context */
- struct mdoc_node *n;
+ struct roff_node *blk; /* saved block context */
+ struct roff_node *body; /* saved body context */
+ struct roff_node *n;
nl = MDOC_NEWLINE & mdoc->flags;
*/
blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
- rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
+ rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
/*
* Open the body scope "on-demand", that is, after we've
}
if (body == NULL)
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
break;
}
if (body == NULL)
- body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
- /*
- * If there is an open sub-block requiring explicit close-out,
- * postpone closing out the current block
- * until the rew_sub() call closing out the sub-block.
- */
+ if (find_pending(mdoc, tok, line, ppos, body))
+ return;
- for (n = mdoc->last; n && n != body && n != blk->parent;
- 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);
- mdoc_endbody_alloc(mdoc, line, ppos,
- tok, body, ENDBODY_NOSPACE);
- return;
- }
- }
- assert(n == body);
rew_last(mdoc, body);
if (nl)
append_delims(mdoc, line, pos, buf);
{
int la, nl;
enum margserr ac;
- struct mdoc_node *head; /* keep track of head */
+ struct roff_node *head; /* keep track of head */
char *p;
nl = MDOC_NEWLINE & mdoc->flags;
}
if (head == NULL) {
- head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ head = roff_head_alloc(mdoc, line, ppos, tok);
if (tok == MDOC_Eo) /* Not parsed. */
dword(mdoc, line, la, p, DELIM_MAX, 0);
rew_last(mdoc, head);
- mdoc_body_alloc(mdoc, line, ppos, tok);
+ roff_body_alloc(mdoc, line, ppos, tok);
if (tok == MDOC_Eo)
continue;
}
/* Clean-up to leave in a consistent state. */
if (head == NULL) {
- rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
- mdoc_body_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, roff_head_alloc(mdoc, line, ppos, tok));
+ roff_body_alloc(mdoc, line, ppos, tok);
}
if (nl)
append_delims(mdoc, line, pos, buf);
static void
in_line_argn(MACRO_PROT_ARGS)
{
- int la, flushed, j, maxargs, nl;
- enum margserr ac;
struct mdoc_arg *arg;
char *p;
- enum mdoct ntok;
+ enum margserr ac;
+ int ntok;
+ int state; /* arg#; -1: not yet open; -2: closed */
+ int la, maxargs, nl;
nl = mdoc->flags & MDOC_NEWLINE;
mdoc_argv(mdoc, line, tok, &arg, pos, buf);
+ state = -1;
p = NULL;
- flushed = j = 0;
for (;;) {
la = *pos;
ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+
+ if (ac == ARGS_WORD && state == -1 &&
+ ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ continue;
+ }
+
+ if (state == -1 && tok != MDOC_In &&
+ tok != MDOC_St && tok != MDOC_Xr) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ state = 0;
+ }
+
if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
- if (j < 2 && tok == MDOC_Pf)
+ if (abs(state) < 2 && tok == MDOC_Pf)
mandoc_vmsg(MANDOCERR_PF_SKIP,
mdoc->parse, line, ppos, "Pf %s",
p == NULL ? "at eol" : p);
break;
}
- 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 (j == 0)
- mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
-
- if (j == maxargs && ! flushed) {
+ if (state == maxargs) {
rew_elem(mdoc, tok);
- flushed = 1;
+ state = -2;
}
- ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && j == 0)) ?
- MDOC_MAX : lookup(mdoc, tok, line, la, p);
+ ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && state == 0)) ?
+ TOKEN_NONE : lookup(mdoc, tok, line, la, p);
- if (ntok != MDOC_MAX) {
- if ( ! flushed)
+ if (ntok != TOKEN_NONE) {
+ if (state >= 0) {
rew_elem(mdoc, tok);
- flushed = 1;
+ state = -2;
+ }
mdoc_macro(mdoc, ntok, line, la, pos, buf);
- j++;
break;
}
- if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
- ac != ARGS_QWORD && ! flushed &&
- mdoc_isdelim(p) != DELIM_NONE) {
+ if (ac == ARGS_QWORD ||
+ mdoc_macros[tok].flags & MDOC_IGNDELIM ||
+ mdoc_isdelim(p) == DELIM_NONE) {
+ if (state == -1) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ state = 1;
+ } else if (state >= 0)
+ state++;
+ } else if (state >= 0) {
rew_elem(mdoc, tok);
- flushed = 1;
+ state = -2;
}
dword(mdoc, line, la, p, DELIM_MAX,
MDOC_JOIN & mdoc_macros[tok].flags);
- j++;
}
- if (j == 0) {
- mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
- if (ac == ARGS_PUNCT && tok == MDOC_Pf)
- append_delims(mdoc, line, pos, buf);
+ if (state == -1) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ line, ppos, mdoc_macronames[tok]);
+ return;
}
- if ( ! flushed)
+
+ if (state == 0 && tok == MDOC_Pf)
+ append_delims(mdoc, line, pos, buf);
+ if (state >= 0)
rew_elem(mdoc, tok);
if (nl)
append_delims(mdoc, line, pos, buf);
static void
in_line_eoln(MACRO_PROT_ARGS)
{
- struct mdoc_arg *arg;
+ struct roff_node *n;
+ struct mdoc_arg *arg;
- if (tok == MDOC_Pp)
- rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
+ if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
+ ! (mdoc->flags & MDOC_SYNOPSIS)) {
+ n = mdoc->last;
+ if (mdoc->next == ROFF_NEXT_SIBLING)
+ n = n->parent;
+ if (n->tok == MDOC_Nm)
+ rew_last(mdoc, mdoc->last->parent);
+ }
+
+ if (buf[*pos] == '\0' &&
+ (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ line, ppos, mdoc_macronames[tok]);
+ return;
+ }
mdoc_argv(mdoc, line, tok, &arg, pos, buf);
mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
* or until the next macro, call that macro, and return 1.
*/
static int
-parse_rest(struct mdoc *mdoc, enum mdoct tok, int line, int *pos, char *buf)
+parse_rest(struct roff_man *mdoc, int tok, int line, int *pos, char *buf)
{
int la;
static void
phrase_ta(MACRO_PROT_ARGS)
{
- struct mdoc_node *n;
+ struct roff_node *body, *n;
/* Make sure we are in a column list or ignore this macro. */
- n = mdoc->last;
- while (n != NULL &&
- (n->tok != MDOC_Bl || n->flags & (MDOC_VALID | MDOC_BREAK)))
- n = n->parent;
+ body = NULL;
+ for (n = mdoc->last; n != NULL; n = n->parent) {
+ if (n->flags & MDOC_ENDED)
+ continue;
+ if (n->tok == MDOC_It && n->type == ROFFT_BODY)
+ body = n;
+ if (n->tok == MDOC_Bl)
+ break;
+ }
+
if (n == NULL || n->norm->Bl.type != LIST_column) {
mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
line, ppos, "Ta");
/* Advance to the next column. */
- rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos);
- mdoc_body_alloc(mdoc, line, ppos, MDOC_It);
- parse_rest(mdoc, MDOC_MAX, line, pos, buf);
+ rew_last(mdoc, body);
+ roff_body_alloc(mdoc, line, ppos, MDOC_It);
+ parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
}
git.ckatri.com / mandoc.git / blobdiff