-/* $Id: mdoc_macro.c,v 1.97 2010/11/30 13:04:14 kristaps Exp $ */
+/* $Id: mdoc_macro.c,v 1.106 2011/03/22 14:33:05 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
#include <string.h>
#include <time.h>
+#include "mdoc.h"
#include "mandoc.h"
#include "libmdoc.h"
#include "libmandoc.h"
REWIND_NONE,
REWIND_THIS,
REWIND_MORE,
+ REWIND_FORCE,
REWIND_LATER,
REWIND_ERROR
};
static int obsolete(MACRO_PROT_ARGS);
static int phrase_ta(MACRO_PROT_ARGS);
+static int dword(struct mdoc *, int, int,
+ const char *, enum mdelim);
static int append_delims(struct mdoc *,
int, int *, char *);
static enum mdoct lookup(enum mdoct, const char *);
static int
rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
{
+ struct mdoc_node *n, *np;
assert(to);
mdoc->next = MDOC_NEXT_SIBLING;
/* LINTED */
while (mdoc->last != to) {
+ /*
+ * Save the parent here, because we may delete the
+ * m->last node in the post-validation phase and reset
+ * it to m->last->parent, causing a step in the closing
+ * out to be lost.
+ */
+ np = mdoc->last->parent;
if ( ! mdoc_valid_post(mdoc))
return(0);
- mdoc->last = mdoc->last->parent;
+ n = mdoc->last;
+ mdoc->last = np;
assert(mdoc->last);
+ mdoc->last->last = n;
}
return(mdoc_valid_post(mdoc));
* 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.
*/
return(REWIND_MORE);
/*
- * Partial blocks allow delayed rewinding by default.
- */
- if (&blk_full != mdoc_macros[tok].fp)
- return (REWIND_LATER);
-
- /*
- * Full blocks can only be rewound when matching
- * or when there is an explicit rule.
+ * By default, closing out full blocks
+ * forces closing of broken explicit blocks,
+ * while closing out partial blocks
+ * allows delayed rewinding by default.
*/
- return(REWIND_ERROR);
+ return (&blk_full == mdoc_macros[tok].fp ?
+ REWIND_FORCE : REWIND_LATER);
}
taker->pending = broken->pending;
}
broken->pending = breaker;
- mdoc_vmsg(m, MANDOCERR_SCOPENEST, line, ppos,
- "%s breaks %s", mdoc_macronames[tok],
- mdoc_macronames[broken->tok]);
+ mandoc_vmsg(MANDOCERR_SCOPENEST, m->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?
- * XXX Make this non-fatal.
*/
- mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTNOSCOPE);
return(0);
}
return(1);
case (REWIND_THIS):
break;
+ case (REWIND_FORCE):
+ mandoc_vmsg(MANDOCERR_SCOPEBROKEN, m->parse,
+ line, ppos, "%s breaks %s",
+ mdoc_macronames[tok],
+ mdoc_macronames[n->tok]);
+ /* FALLTHROUGH */
case (REWIND_MORE):
n = n->parent;
continue;
case (REWIND_LATER):
- return(make_pending(n, tok, m, line, ppos));
+ if (make_pending(n, tok, m, line, ppos) ||
+ MDOC_BLOCK != t)
+ return(1);
+ /* FALLTHROUGH */
case (REWIND_ERROR):
- /* XXX Make this non-fatal. */
- mdoc_vmsg(m, MANDOCERR_SCOPEFATAL, line, ppos,
- "%s cannot break %s", mdoc_macronames[tok],
- mdoc_macronames[n->tok]);
- return 0;
+ mdoc_pmsg(m, line, ppos, MANDOCERR_NOSCOPE);
+ return(1);
}
break;
}
return(1);
}
+/*
+ * Allocate a word and check whether it's punctuation or not.
+ * Punctuation consists of those tokens found in mdoc_isdelim().
+ */
+static int
+dword(struct mdoc *m, int line,
+ int col, const char *p, enum mdelim d)
+{
+
+ if (DELIM_MAX == d)
+ d = mdoc_isdelim(p);
+
+ if ( ! mdoc_word_alloc(m, line, col, p))
+ return(0);
+
+ if (DELIM_OPEN == d)
+ m->last->flags |= MDOC_DELIMO;
+ else if (DELIM_CLOSE == d)
+ m->last->flags |= MDOC_DELIMC;
+
+ return(1);
+}
static int
append_delims(struct mdoc *m, int line, int *pos, char *buf)
else if (ARGS_EOLN == ac)
break;
- assert(DELIM_NONE != mdoc_isdelim(p));
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ dword(m, line, la, p, DELIM_MAX);
/*
* If we encounter end-of-sentence symbols, then trigger
* postpone closing out the current block
* until the rew_sub() closing out the sub-block.
*/
- if ( ! make_pending(later, tok, m, line, ppos))
- return(0);
+ make_pending(later, tok, m, line, ppos);
/*
* Mark the place where the formatting - but not
if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
/* FIXME: do this in validate */
if (buf[*pos])
- if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_ARGSLOST))
- return(0);
+ mdoc_pmsg(m, line, ppos, MANDOCERR_ARGSLOST);
if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
return(0);
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, lastarg, p))
+ if ( ! dword(m, line, lastarg, p, DELIM_MAX))
return(0);
continue;
}
return(0);
} else if ( ! nc && 0 == cnt) {
mdoc_argv_free(arg);
- if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY))
- return(0);
+ mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY);
}
+
if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
return(0);
if ( ! nl)
if (DELIM_NONE == d)
cnt++;
- if ( ! mdoc_word_alloc(m, line, la, p))
+
+ if ( ! dword(m, line, la, p, d))
return(0);
/*
return(0);
} else if ( ! nc && 0 == cnt) {
mdoc_argv_free(arg);
- if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY))
- return(0);
+ mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY);
}
if ( ! nl)
ARGS_PPHRASE != ac &&
ARGS_QWORD != ac &&
DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_OPEN))
return(0);
continue;
}
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
continue;
}
break;
if (NULL == body && ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ DELIM_OPEN == mdoc_isdelim(p)) {
+ if ( ! dword(m, line, la, p, DELIM_OPEN))
return(0);
continue;
}
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
continue;
}
if (MDOC_BLOCK == n->type &&
MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
! (MDOC_VALID & n->flags)) {
- if ( ! make_pending(n, tok, m, line, ppos))
- return(0);
+ make_pending(n, tok, m, line, ppos);
if ( ! mdoc_endbody_alloc(m, line, ppos,
tok, body, ENDBODY_NOSPACE))
return(0);
* is ugly behaviour nodding its head to OpenBSD's overwhelming
* crufty use of `Op' breakage.
*/
- if (n != body && ! mdoc_vmsg(m, MANDOCERR_SCOPENEST,
- line, ppos, "%s broken", mdoc_macronames[tok]))
- return(0);
+ if (n != body)
+ mandoc_vmsg(MANDOCERR_SCOPENEST, m->parse, line, ppos,
+ "%s broken", mdoc_macronames[tok]);
if (n && ! rew_sub(MDOC_BODY, m, tok, line, ppos))
return(0);
/* Flush out leading punctuation. */
if (NULL == head && ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
+ DELIM_OPEN == mdoc_isdelim(p)) {
assert(NULL == body);
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_OPEN))
return(0);
continue;
}
assert(head);
/* No check whether it's a macro! */
if (MDOC_Eo == tok)
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
continue;
}
case (MDOC_Ux):
maxargs = 0;
break;
+ case (MDOC_Bx):
+ /* FALLTHROUGH */
case (MDOC_Xr):
maxargs = 2;
break;
break;
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))
+ ARGS_QWORD != ac && 0 == j &&
+ DELIM_OPEN == mdoc_isdelim(p)) {
+ if ( ! dword(m, line, la, p, DELIM_OPEN))
return(0);
continue;
} else if (0 == j)
}
#endif
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
j++;
}
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
continue;
}
obsolete(MACRO_PROT_ARGS)
{
- return(mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS));
+ mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS);
+ return(1);
}
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
continue;
}
ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(m, line, la, p, DELIM_MAX))
return(0);
continue;
}