-/* $Id: man_macro.c,v 1.83 2014/07/07 19:18:15 schwarze Exp $ */
+/* $Id: man_macro.c,v 1.91 2014/11/28 05:51:32 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
*
* Permission to use, copy, modify, and distribute this software for any
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
+
+#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
REW_HALT
};
-static int blk_close(MACRO_PROT_ARGS);
-static int blk_exp(MACRO_PROT_ARGS);
-static int blk_imp(MACRO_PROT_ARGS);
-static int in_line_eoln(MACRO_PROT_ARGS);
+static void blk_close(MACRO_PROT_ARGS);
+static void blk_exp(MACRO_PROT_ARGS);
+static void blk_imp(MACRO_PROT_ARGS);
+static void in_line_eoln(MACRO_PROT_ARGS);
static int man_args(struct man *, int,
int *, char *, char **);
-static int rew_scope(enum man_type,
+static void rew_scope(enum man_type,
struct man *, enum mant);
static enum rew rew_dohalt(enum mant, enum man_type,
const struct man_node *);
static enum rew rew_block(enum mant, enum man_type,
const struct man_node *);
-static void rew_warn(struct man *,
- struct man_node *, enum mandocerr);
const struct man_macro __man_macros[MAN_MAX] = {
{ in_line_eoln, MAN_NSCOPED }, /* br */
{ blk_imp, MAN_BSCOPE }, /* P */
{ blk_imp, MAN_BSCOPE }, /* IP */
{ blk_imp, MAN_BSCOPE }, /* HP */
- { in_line_eoln, MAN_SCOPED }, /* SM */
- { in_line_eoln, MAN_SCOPED }, /* SB */
+ { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SM */
+ { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* SB */
{ in_line_eoln, 0 }, /* BI */
{ in_line_eoln, 0 }, /* IB */
{ in_line_eoln, 0 }, /* BR */
{ in_line_eoln, 0 }, /* RB */
- { in_line_eoln, MAN_SCOPED }, /* R */
- { in_line_eoln, MAN_SCOPED }, /* B */
- { in_line_eoln, MAN_SCOPED }, /* I */
+ { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* R */
+ { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* B */
+ { in_line_eoln, MAN_SCOPED | MAN_JOIN }, /* I */
{ in_line_eoln, 0 }, /* IR */
{ in_line_eoln, 0 }, /* RI */
{ in_line_eoln, MAN_NSCOPED }, /* na */
const struct man_macro * const man_macros = __man_macros;
-int
+void
man_unscope(struct man *man, const struct man_node *to)
{
struct man_node *n;
- man->next = MAN_NEXT_SIBLING;
to = to->parent;
n = man->last;
while (n != to) {
- if (NULL == to &&
- MAN_BLOCK == n->type &&
- 0 == (MAN_VALID & n->flags) &&
- MAN_EXPLICIT & man_macros[n->tok].flags)
- mandoc_msg(MANDOCERR_SCOPEEXIT,
- man->parse, n->line, n->pos,
- man_macronames[n->tok]);
+
+ /* Reached the end of the document? */
+
+ if (to == NULL && ! (n->flags & MAN_VALID)) {
+ if (man->flags & (MAN_BLINE | MAN_ELINE) &&
+ man_macros[n->tok].flags & MAN_SCOPED) {
+ mandoc_vmsg(MANDOCERR_BLK_LINE,
+ man->parse, n->line, n->pos,
+ "EOF breaks %s",
+ man_macronames[n->tok]);
+ if (man->flags & MAN_ELINE)
+ man->flags &= ~MAN_ELINE;
+ else {
+ assert(n->type == MAN_HEAD);
+ n = n->parent;
+ man->flags &= ~MAN_BLINE;
+ }
+ man->last = n;
+ n = n->parent;
+ man_node_delete(man, man->last);
+ continue;
+ }
+ if (n->type == MAN_BLOCK &&
+ man_macros[n->tok].flags & MAN_EXPLICIT)
+ mandoc_msg(MANDOCERR_BLK_NOEND,
+ man->parse, n->line, n->pos,
+ man_macronames[n->tok]);
+ }
+
/*
* We might delete the man->last node
* in the post-validation phase.
* Save a pointer to the parent such that
* we know where to continue the iteration.
*/
+
man->last = n;
n = n->parent;
- if ( ! man_valid_post(man))
- return(0);
+ man_valid_post(man);
}
- return(1);
+
+ /*
+ * If we ended up at the parent of the node we were
+ * supposed to rewind to, that means the target node
+ * got deleted, so add the next node we parse as a child
+ * of the parent instead of as a sibling of the target.
+ */
+
+ man->next = (man->last == to) ?
+ MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
}
static enum rew
rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
{
- if (MAN_BLOCK == type && ntok == n->parent->tok &&
- MAN_BODY == n->parent->type)
+ if (type == MAN_BLOCK && ntok == n->parent->tok &&
+ n->parent->type == MAN_BODY)
return(REW_REWIND);
return(ntok == n->tok ? REW_HALT : REW_NOHALT);
}
* for example, the `SH' macro will close out any intervening `SS'
* scopes. When a scope is closed, it must be validated and actioned.
*/
-static int
+static void
rew_scope(enum man_type type, struct man *man, enum mant tok)
{
struct man_node *n;
*/
c = rew_dohalt(tok, type, n);
if (REW_HALT == c)
- return(1);
+ return;
if (REW_REWIND == c)
break;
}
* Rewind until the current point. Warn if we're a roff
* instruction that's mowing over explicit scopes.
*/
- assert(n);
- return(man_unscope(man, n));
+ man_unscope(man, n);
}
/*
* Close out a generic explicit macro.
*/
-int
+void
blk_close(MACRO_PROT_ARGS)
{
enum mant ntok;
}
for (nn = man->last->parent; nn; nn = nn->parent)
- if (ntok == nn->tok && MAN_BLOCK == nn->type)
+ if (nn->tok == ntok && nn->type == MAN_BLOCK)
break;
- if (NULL == nn) {
- man_pmsg(man, line, ppos, MANDOCERR_NOSCOPE);
- if ( ! rew_scope(MAN_BLOCK, man, MAN_PP))
- return(0);
+ if (nn == NULL) {
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN, man->parse,
+ line, ppos, man_macronames[tok]);
+ rew_scope(MAN_BLOCK, man, MAN_PP);
} else
man_unscope(man, nn);
-
- return(1);
}
-int
+void
blk_exp(MACRO_PROT_ARGS)
{
struct man_node *n;
int la;
char *p;
- /* Close out prior implicit scopes. */
-
- if ( ! rew_scope(MAN_BLOCK, man, tok))
- return(0);
-
- if ( ! man_block_alloc(man, line, ppos, tok))
- return(0);
- if ( ! man_head_alloc(man, line, ppos, tok))
- return(0);
+ rew_scope(MAN_BLOCK, man, tok);
+ man_block_alloc(man, line, ppos, tok);
+ man_head_alloc(man, line, ppos, tok);
for (;;) {
la = *pos;
if ( ! man_args(man, line, pos, buf, &p))
break;
- if ( ! man_word_alloc(man, line, la, p))
- return(0);
+ man_word_alloc(man, line, la, p);
}
assert(man);
assert(tok != MAN_MAX);
- for (n = man->last; n; n = n->parent) {
- if (n->tok != tok)
- continue;
- assert(MAN_HEAD == n->type);
- man_unscope(man, n);
- break;
- }
+ for (n = man->last; n; n = n->parent)
+ if (n->tok == tok) {
+ assert(n->type == MAN_HEAD);
+ man_unscope(man, n);
+ break;
+ }
- return(man_body_alloc(man, line, ppos, tok));
+ man_body_alloc(man, line, ppos, tok);
}
/*
* scopes, such as `SH' closing out an `SS', are defined in the rew
* routines.
*/
-int
+void
blk_imp(MACRO_PROT_ARGS)
{
int la;
char *p;
struct man_node *n;
- /* Close out prior scopes. */
-
- if ( ! rew_scope(MAN_BODY, man, tok))
- return(0);
- if ( ! rew_scope(MAN_BLOCK, man, tok))
- return(0);
-
- /* Allocate new block & head scope. */
-
- if ( ! man_block_alloc(man, line, ppos, tok))
- return(0);
- if ( ! man_head_alloc(man, line, ppos, tok))
- return(0);
-
+ rew_scope(MAN_BODY, man, tok);
+ rew_scope(MAN_BLOCK, man, tok);
+ man_block_alloc(man, line, ppos, tok);
+ man_head_alloc(man, line, ppos, tok);
n = man->last;
/* Add line arguments. */
la = *pos;
if ( ! man_args(man, line, pos, buf, &p))
break;
- if ( ! man_word_alloc(man, line, la, p))
- return(0);
+ man_word_alloc(man, line, la, p);
}
/* Close out head and open body (unless MAN_SCOPE). */
- if (MAN_SCOPED & man_macros[tok].flags) {
+ if (man_macros[tok].flags & MAN_SCOPED) {
/* If we're forcing scope (`TP'), keep it open. */
- if (MAN_FSCOPED & man_macros[tok].flags) {
+ if (man_macros[tok].flags & MAN_FSCOPED) {
man->flags |= MAN_BLINE;
- return(1);
+ return;
} else if (n == man->last) {
man->flags |= MAN_BLINE;
- return(1);
+ return;
}
}
-
- if ( ! rew_scope(MAN_HEAD, man, tok))
- return(0);
- return(man_body_alloc(man, line, ppos, tok));
+ rew_scope(MAN_HEAD, man, tok);
+ man_body_alloc(man, line, ppos, tok);
}
-int
+void
in_line_eoln(MACRO_PROT_ARGS)
{
int la;
char *p;
struct man_node *n;
- if ( ! man_elem_alloc(man, line, ppos, tok))
- return(0);
-
+ man_elem_alloc(man, line, ppos, tok);
n = man->last;
for (;;) {
la = *pos;
if ( ! man_args(man, line, pos, buf, &p))
break;
- if ( ! man_word_alloc(man, line, la, p))
- return(0);
+ if (man_macros[tok].flags & MAN_JOIN &&
+ man->last->type == MAN_TEXT)
+ man_word_append(man, p);
+ else
+ man_word_alloc(man, line, la, p);
}
/*
* waiting for terms to load into our context.
*/
- if (n == man->last && MAN_SCOPED & man_macros[tok].flags) {
- assert( ! (MAN_NSCOPED & man_macros[tok].flags));
+ if (n == man->last && man_macros[tok].flags & MAN_SCOPED) {
+ assert( ! (man_macros[tok].flags & MAN_NSCOPED));
man->flags |= MAN_ELINE;
- return(1);
- }
-
- /* Set ignorable context, if applicable. */
-
- if (MAN_NSCOPED & man_macros[tok].flags) {
- assert( ! (MAN_SCOPED & man_macros[tok].flags));
- man->flags |= MAN_ILINE;
+ return;
}
- assert(MAN_ROOT != man->last->type);
+ assert(man->last->type != MAN_ROOT);
man->next = MAN_NEXT_SIBLING;
/*
break;
if (man->last->type == MAN_ROOT)
break;
- if ( ! man_valid_post(man))
- return(0);
+ man_valid_post(man);
}
assert(man->last);
* Same here regarding whether we're back at the root.
*/
- if (man->last->type != MAN_ROOT && ! man_valid_post(man))
- return(0);
-
- return(1);
+ if (man->last->type != MAN_ROOT)
+ man_valid_post(man);
}
-int
+void
man_macroend(struct man *man)
{
- return(man_unscope(man, man->first));
+ man_unscope(man, man->first);
}
static int
git.ckatri.com / mandoc.git / blobdiff