-/* $Id: man_macro.c,v 1.57 2011/03/20 16:02:05 kristaps Exp $ */
+/* $Id: man_macro.c,v 1.74 2012/06/12 12:47:14 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2012 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
#include <stdlib.h>
#include <string.h>
+#include "man.h"
#include "mandoc.h"
#include "libmandoc.h"
#include "libman.h"
static int blk_exp(MACRO_PROT_ARGS);
static int blk_imp(MACRO_PROT_ARGS);
static int in_line_eoln(MACRO_PROT_ARGS);
+static int man_args(struct man *, int,
+ int *, char *, char **);
static int rew_scope(enum man_type,
struct man *, enum mant);
const struct man_macro __man_macros[MAN_MAX] = {
{ in_line_eoln, MAN_NSCOPED }, /* br */
- { in_line_eoln, 0 }, /* TH */
- { blk_imp, MAN_SCOPED }, /* SH */
- { blk_imp, MAN_SCOPED }, /* SS */
- { blk_imp, MAN_SCOPED | MAN_FSCOPED }, /* TP */
- { blk_imp, 0 }, /* LP */
- { blk_imp, 0 }, /* PP */
- { blk_imp, 0 }, /* P */
- { blk_imp, 0 }, /* IP */
- { blk_imp, 0 }, /* HP */
+ { in_line_eoln, MAN_BSCOPE }, /* TH */
+ { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SH */
+ { blk_imp, MAN_BSCOPE | MAN_SCOPED }, /* SS */
+ { blk_imp, MAN_BSCOPE | MAN_SCOPED | MAN_FSCOPED }, /* TP */
+ { blk_imp, MAN_BSCOPE }, /* LP */
+ { blk_imp, MAN_BSCOPE }, /* PP */
+ { 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, 0 }, /* BI */
{ in_line_eoln, 0 }, /* RI */
{ in_line_eoln, MAN_NSCOPED }, /* na */
{ in_line_eoln, MAN_NSCOPED }, /* sp */
- { in_line_eoln, 0 }, /* nf */
- { in_line_eoln, 0 }, /* fi */
+ { in_line_eoln, MAN_BSCOPE }, /* nf */
+ { in_line_eoln, MAN_BSCOPE }, /* fi */
{ blk_close, 0 }, /* RE */
- { blk_exp, MAN_EXPLICIT }, /* RS */
+ { blk_exp, MAN_BSCOPE | MAN_EXPLICIT }, /* RS */
{ in_line_eoln, 0 }, /* DT */
{ in_line_eoln, 0 }, /* UC */
{ in_line_eoln, 0 }, /* PD */
{ in_line_eoln, 0 }, /* AT */
{ in_line_eoln, 0 }, /* in */
{ in_line_eoln, 0 }, /* ft */
+ { in_line_eoln, 0 }, /* OP */
+ { in_line_eoln, MAN_BSCOPE }, /* EX */
+ { in_line_eoln, MAN_BSCOPE }, /* EE */
};
const struct man_macro * const man_macros = __man_macros;
assert(to);
+ m->next = MAN_NEXT_SIBLING;
+
/* LINTED */
while (m->last != to) {
/*
if ( ! man_valid_post(m))
return(0);
- m->next = MAN_ROOT == m->last->type ?
- MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
-
return(1);
}
return(REW_NOHALT);
/* First: rewind to ourselves. */
- if (type == n->type && tok == n->tok)
- return(REW_REWIND);
+ if (type == n->type && tok == n->tok) {
+ if (MAN_EXPLICIT & man_macros[n->tok].flags)
+ return(REW_HALT);
+ else
+ return(REW_REWIND);
+ }
/*
* Next follow the implicit scope-smashings as defined by man.7:
return(c);
break;
case (MAN_RS):
+ /* Preserve empty paragraphs before RS. */
+ if (0 == n->nchild && (MAN_P == n->tok ||
+ MAN_PP == n->tok || MAN_LP == n->tok))
+ return(REW_HALT);
/* Rewind to a subsection, if a block. */
if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
return(c);
}
for (nn = m->last->parent; nn; nn = nn->parent)
- if (ntok == nn->tok)
+ if (ntok == nn->tok && MAN_BLOCK == nn->type)
break;
- if (NULL == nn)
+ if (NULL != nn)
+ man_unscope(m, nn, MANDOCERR_MAX);
+ else
man_pmsg(m, line, ppos, MANDOCERR_NOSCOPE);
- if ( ! rew_scope(MAN_BODY, m, ntok))
- return(0);
- if ( ! rew_scope(MAN_BLOCK, m, ntok))
- return(0);
-
return(1);
}
int
blk_exp(MACRO_PROT_ARGS)
{
- int w, la;
+ struct man_node *n;
+ int la;
char *p;
- /*
- * Close out prior scopes. "Regular" explicit macros cannot be
- * nested, but we allow roff macros to be placed just about
- * anywhere.
- */
+ /* Close out prior implicit scopes. */
- if ( ! rew_scope(MAN_BODY, m, tok))
- return(0);
if ( ! rew_scope(MAN_BLOCK, m, tok))
return(0);
for (;;) {
la = *pos;
- w = man_args(m, line, pos, buf, &p);
-
- if (-1 == w)
- return(0);
- if (0 == w)
+ if ( ! man_args(m, line, pos, buf, &p))
break;
-
if ( ! man_word_alloc(m, line, la, p))
return(0);
}
assert(m);
assert(tok != MAN_MAX);
- if ( ! rew_scope(MAN_HEAD, m, tok))
- return(0);
+ for (n = m->last; n; n = n->parent) {
+ if (n->tok != tok)
+ continue;
+ assert(MAN_HEAD == n->type);
+ man_unscope(m, n, MANDOCERR_MAX);
+ break;
+ }
+
return(man_body_alloc(m, line, ppos, tok));
}
int
blk_imp(MACRO_PROT_ARGS)
{
- int w, la;
+ int la;
char *p;
struct man_node *n;
for (;;) {
la = *pos;
- w = man_args(m, line, pos, buf, &p);
-
- if (-1 == w)
- return(0);
- if (0 == w)
+ if ( ! man_args(m, line, pos, buf, &p))
break;
-
if ( ! man_word_alloc(m, line, la, p))
return(0);
}
int
in_line_eoln(MACRO_PROT_ARGS)
{
- int w, la;
+ int la;
char *p;
struct man_node *n;
for (;;) {
la = *pos;
- w = man_args(m, line, pos, buf, &p);
-
- if (-1 == w)
- return(0);
- if (0 == w)
+ if ( ! man_args(m, line, pos, buf, &p))
break;
if ( ! man_word_alloc(m, line, la, p))
return(0);
assert( ! (MAN_SCOPED & man_macros[tok].flags));
m->flags |= MAN_ILINE;
}
+
+ assert(MAN_ROOT != m->last->type);
+ m->next = MAN_NEXT_SIBLING;
/*
* Rewind our element scope. Note that when TH is pruned, we'll
if (m->last->type != MAN_ROOT && ! man_valid_post(m))
return(0);
- m->next = MAN_ROOT == m->last->type ?
- MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
-
return(1);
}
return(man_unscope(m, m->first, MANDOCERR_SCOPEEXIT));
}
+static int
+man_args(struct man *m, int line, int *pos, char *buf, char **v)
+{
+ char *start;
+
+ assert(*pos);
+ *v = start = buf + *pos;
+ assert(' ' != *start);
+
+ if ('\0' == *start)
+ return(0);
+
+ *v = mandoc_getarg(m->parse, v, line, pos);
+ return(1);
+}
git.ckatri.com / mandoc.git / blobdiff