-/* $Id: mdoc_macro.c,v 1.50 2010/04/05 08:38:37 kristaps Exp $ */
+/* $Id: mdoc_macro.c,v 1.143 2014/09/07 00:05:28 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2012, 2013, 2014 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
* 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>
#include <string.h>
#include <time.h>
+#include "mdoc.h"
+#include "mandoc.h"
#include "libmdoc.h"
+#include "libmandoc.h"
+
+enum rew { /* see rew_dohalt() */
+ REWIND_NONE,
+ REWIND_THIS,
+ REWIND_MORE,
+ REWIND_FORCE,
+ REWIND_LATER,
+ REWIND_ERROR
+};
-#define REWIND_REWIND (1 << 0)
-#define REWIND_NOHALT (1 << 1)
-#define REWIND_HALT (1 << 2)
-
-static int ctx_synopsis(MACRO_PROT_ARGS);
-static int obsolete(MACRO_PROT_ARGS);
-static int blk_part_exp(MACRO_PROT_ARGS);
-static int in_line_eoln(MACRO_PROT_ARGS);
-static int in_line_argn(MACRO_PROT_ARGS);
-static int in_line(MACRO_PROT_ARGS);
-static int blk_full(MACRO_PROT_ARGS);
-static int blk_exp_close(MACRO_PROT_ARGS);
-static int blk_part_imp(MACRO_PROT_ARGS);
-
-static int phrase(struct mdoc *, int, int, char *);
-static int rew_dohalt(enum mdoct, enum mdoc_type,
- const struct mdoc_node *);
-static enum mdoct rew_alt(enum mdoct);
-static int rew_dobreak(enum mdoct, const struct mdoc_node *);
-static int rew_elem(struct mdoc *, enum mdoct);
-static int rew_sub(enum mdoc_type, struct mdoc *,
- enum mdoct, int, int);
-static int rew_last(struct mdoc *,
- const struct mdoc_node *);
-static int append_delims(struct mdoc *, int, int *, char *);
-static int lookup(int, const char *);
-static int lookup_raw(const char *);
-static int swarn(struct mdoc *, enum mdoc_type, int, int,
- const struct mdoc_node *);
-
-/* Central table of library: who gets parsed how. */
+static int blk_full(MACRO_PROT_ARGS);
+static int blk_exp_close(MACRO_PROT_ARGS);
+static int blk_part_exp(MACRO_PROT_ARGS);
+static int blk_part_imp(MACRO_PROT_ARGS);
+static int ctx_synopsis(MACRO_PROT_ARGS);
+static int in_line_eoln(MACRO_PROT_ARGS);
+static int in_line_argn(MACRO_PROT_ARGS);
+static int in_line(MACRO_PROT_ARGS);
+static int phrase_ta(MACRO_PROT_ARGS);
+
+static int dword(struct mdoc *, int, int, const char *,
+ enum mdelim, int);
+static int append_delims(struct mdoc *,
+ int, int *, char *);
+static enum mdoct lookup(enum mdoct, const char *);
+static enum mdoct lookup_raw(const char *);
+static int make_pending(struct mdoc_node *, enum mdoct,
+ struct mdoc *, int, int);
+static int phrase(struct mdoc *, 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 int rew_elem(struct mdoc *, enum mdoct);
+static int rew_last(struct mdoc *,
+ const struct mdoc_node *);
+static int rew_sub(enum mdoc_type, struct mdoc *,
+ enum mdoct, int, int);
const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ap */
{ in_line_eoln, MDOC_PROLOGUE }, /* Dd */
{ in_line_eoln, MDOC_PROLOGUE }, /* Dt */
{ in_line_eoln, MDOC_PROLOGUE }, /* Os */
- { blk_full, 0 }, /* Sh */
- { blk_full, 0 }, /* Ss */
- { in_line_eoln, 0 }, /* Pp */
- { blk_part_imp, MDOC_PARSED }, /* D1 */
- { blk_part_imp, MDOC_PARSED }, /* Dl */
+ { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Sh */
+ { blk_full, MDOC_PARSED | MDOC_JOIN }, /* Ss */
+ { in_line_eoln, 0 }, /* Pp */
+ { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* D1 */
+ { blk_part_imp, MDOC_PARSED | MDOC_JOIN }, /* Dl */
{ blk_full, MDOC_EXPLICIT }, /* Bd */
- { blk_exp_close, MDOC_EXPLICIT }, /* Ed */
+ { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ed */
{ blk_full, MDOC_EXPLICIT }, /* Bl */
- { blk_exp_close, MDOC_EXPLICIT }, /* El */
- { blk_full, MDOC_PARSED }, /* It */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* An */
+ { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* El */
+ { 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, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cd */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Cd */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
{ in_line_eoln, 0 }, /* Ex */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
- { in_line_eoln, 0 }, /* Fd */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
+ { in_line_eoln, 0 }, /* Fd */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ft */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ic */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* In */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Li */
- { blk_full, 0 }, /* Nd */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Li */
+ { blk_full, MDOC_JOIN }, /* Nd */
+ { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
{ blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
- { obsolete, 0 }, /* Ot */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ot */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
{ in_line_eoln, 0 }, /* Rv */
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* St */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
- { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
+ { ctx_synopsis, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
- { in_line_eoln, 0 }, /* %A */
- { in_line_eoln, 0 }, /* %B */
- { in_line_eoln, 0 }, /* %D */
- { in_line_eoln, 0 }, /* %I */
- { in_line_eoln, 0 }, /* %J */
+ { in_line_eoln, MDOC_JOIN }, /* %A */
+ { in_line_eoln, MDOC_JOIN }, /* %B */
+ { in_line_eoln, MDOC_JOIN }, /* %D */
+ { in_line_eoln, MDOC_JOIN }, /* %I */
+ { in_line_eoln, MDOC_JOIN }, /* %J */
{ in_line_eoln, 0 }, /* %N */
- { in_line_eoln, 0 }, /* %O */
+ { in_line_eoln, MDOC_JOIN }, /* %O */
{ in_line_eoln, 0 }, /* %P */
- { in_line_eoln, 0 }, /* %R */
- { in_line_eoln, 0 }, /* %T */
+ { in_line_eoln, MDOC_JOIN }, /* %R */
+ { in_line_eoln, MDOC_JOIN }, /* %T */
{ in_line_eoln, 0 }, /* %V */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Ac */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Ao */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Aq */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* At */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
- { blk_full, MDOC_EXPLICIT }, /* Bf */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Bc */
+ { blk_full, MDOC_EXPLICIT }, /* Bf */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Bo */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Bq */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bsx */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Bx */
{ in_line_eoln, 0 }, /* Db */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
- { blk_exp_close, MDOC_EXPLICIT }, /* Ef */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Em */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Dc */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Do */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Dq */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ec */
+ { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ef */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Em */
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Fx */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ms */
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* No */
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_IGNDELIM | MDOC_JOIN }, /* No */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_IGNDELIM | MDOC_JOIN }, /* Ns */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Nx */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ox */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
- { in_line_argn, MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
- { blk_exp_close, MDOC_EXPLICIT }, /* Re */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Pc */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Pf */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Po */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Pq */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Qc */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ql */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Qo */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Qq */
+ { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Re */
{ blk_full, MDOC_EXPLICIT }, /* Rs */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Sc */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* So */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sq */
{ in_line_eoln, 0 }, /* Sm */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sx */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Sy */
{ in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ux */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ux */
{ blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
{ blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
- { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Fc */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
+ { blk_full, MDOC_EXPLICIT | MDOC_CALLABLE }, /* Fo */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Fc */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Oo */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Oc */
{ blk_full, MDOC_EXPLICIT }, /* Bk */
- { blk_exp_close, MDOC_EXPLICIT }, /* Ek */
+ { blk_exp_close, MDOC_EXPLICIT | MDOC_JOIN }, /* Ek */
{ in_line_eoln, 0 }, /* Bt */
{ in_line_eoln, 0 }, /* Hf */
- { obsolete, 0 }, /* Fr */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Fr */
{ in_line_eoln, 0 }, /* Ud */
- { in_line_eoln, 0 }, /* Lb */
- { in_line_eoln, 0 }, /* Lp */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
- { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED }, /* Brq */
- { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bro */
- { blk_exp_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Brc */
- { in_line_eoln, 0 }, /* %C */
- { obsolete, 0 }, /* Es */
- { obsolete, 0 }, /* En */
+ { in_line, 0 }, /* Lb */
+ { in_line_eoln, 0 }, /* Lp */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Lk */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Mt */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Brq */
+ { blk_part_exp, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Bro */
+ { blk_exp_close, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_EXPLICIT | MDOC_JOIN }, /* Brc */
+ { in_line_eoln, MDOC_JOIN }, /* %C */
+ { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Es */
+ { blk_part_imp, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* En */
{ in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Dx */
- { in_line_eoln, 0 }, /* %Q */
+ { 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 */
};
const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
-static int
-swarn(struct mdoc *mdoc, enum mdoc_type type,
- int line, int pos, const struct mdoc_node *p)
-{
- const char *n, *t, *tt;
-
- n = t = "<root>";
- tt = "block";
-
- switch (type) {
- case (MDOC_BODY):
- tt = "multi-line";
- break;
- case (MDOC_HEAD):
- tt = "line";
- break;
- default:
- break;
- }
-
- switch (p->type) {
- case (MDOC_BLOCK):
- n = mdoc_macronames[p->tok];
- t = "block";
- break;
- case (MDOC_BODY):
- n = mdoc_macronames[p->tok];
- t = "multi-line";
- break;
- case (MDOC_HEAD):
- n = mdoc_macronames[p->tok];
- t = "line";
- break;
- default:
- break;
- }
-
- if ( ! (MDOC_IGN_SCOPE & mdoc->pflags))
- return(mdoc_verr(mdoc, line, pos,
- "%s scope breaks %s scope of %s",
- tt, t, n));
- return(mdoc_vwarn(mdoc, line, pos,
- "%s scope breaks %s scope of %s",
- tt, t, n));
-}
-
-
/*
* This is called at the end of parsing. It must traverse up the tree,
* closing out open [implicit] scopes. Obviously, open explicit scopes
* are errors.
*/
int
-mdoc_macroend(struct mdoc *m)
+mdoc_macroend(struct mdoc *mdoc)
{
struct mdoc_node *n;
/* Scan for open explicit scopes. */
- n = MDOC_VALID & m->last->flags ? m->last->parent : m->last;
+ n = MDOC_VALID & mdoc->last->flags ?
+ mdoc->last->parent : mdoc->last;
- for ( ; n; n = n->parent) {
- if (MDOC_BLOCK != n->type)
- continue;
- if ( ! (MDOC_EXPLICIT & mdoc_macros[n->tok].flags))
- continue;
- return(mdoc_nerr(m, n, EOPEN));
- }
+ for ( ; n; n = n->parent)
+ if (MDOC_BLOCK == n->type &&
+ MDOC_EXPLICIT & mdoc_macros[n->tok].flags)
+ mandoc_msg(MANDOCERR_BLK_NOEND, mdoc->parse,
+ n->line, n->pos, mdoc_macronames[n->tok]);
/* Rewind to the first. */
- return(rew_last(m, m->first));
+ return(rew_last(mdoc, mdoc->first));
}
-
/*
* Look up a macro from within a subsequent context.
*/
-static int
-lookup(int from, const char *p)
+static enum mdoct
+lookup(enum mdoct from, const char *p)
{
- /* FIXME: make -diag lists be un-PARSED. */
if ( ! (MDOC_PARSED & mdoc_macros[from].flags))
return(MDOC_MAX);
return(lookup_raw(p));
}
-
/*
* Lookup a macro following the initial line macro.
*/
-static int
+static enum mdoct
lookup_raw(const char *p)
{
- int res;
+ enum mdoct res;
if (MDOC_MAX == (res = mdoc_hash_find(p)))
return(MDOC_MAX);
return(MDOC_MAX);
}
-
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
+ * 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;
if ( ! mdoc_valid_post(mdoc))
return(0);
- if ( ! mdoc_action_post(mdoc))
- return(0);
- mdoc->last = mdoc->last->parent;
+ n = mdoc->last;
+ mdoc->last = np;
assert(mdoc->last);
+ mdoc->last->last = n;
}
- if ( ! mdoc_valid_post(mdoc))
- return(0);
- return(mdoc_action_post(mdoc));
+ return(mdoc_valid_post(mdoc));
}
-
/*
- * Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its
- * matching pair.
+ * For a block closing macro, return the corresponding opening one.
+ * Otherwise, return the macro itself.
*/
static enum mdoct
rew_alt(enum mdoct tok)
{
switch (tok) {
- case (MDOC_Ac):
+ case MDOC_Ac:
return(MDOC_Ao);
- case (MDOC_Bc):
+ case MDOC_Bc:
return(MDOC_Bo);
- case (MDOC_Brc):
+ case MDOC_Brc:
return(MDOC_Bro);
- case (MDOC_Dc):
+ case MDOC_Dc:
return(MDOC_Do);
- case (MDOC_Ec):
+ case MDOC_Ec:
return(MDOC_Eo);
- case (MDOC_Ed):
+ case MDOC_Ed:
return(MDOC_Bd);
- case (MDOC_Ef):
+ case MDOC_Ef:
return(MDOC_Bf);
- case (MDOC_Ek):
+ case MDOC_Ek:
return(MDOC_Bk);
- case (MDOC_El):
+ case MDOC_El:
return(MDOC_Bl);
- case (MDOC_Fc):
+ case MDOC_Fc:
return(MDOC_Fo);
- case (MDOC_Oc):
+ case MDOC_Oc:
return(MDOC_Oo);
- case (MDOC_Pc):
+ case MDOC_Pc:
return(MDOC_Po);
- case (MDOC_Qc):
+ case MDOC_Qc:
return(MDOC_Qo);
- case (MDOC_Re):
+ case MDOC_Re:
return(MDOC_Rs);
- case (MDOC_Sc):
+ case MDOC_Sc:
return(MDOC_So);
- case (MDOC_Xc):
+ case MDOC_Xc:
return(MDOC_Xo);
default:
- break;
+ return(tok);
}
- abort();
/* NOTREACHED */
}
-
-/*
- * Rewind rules. This indicates whether to stop rewinding
- * (REWIND_HALT) without touching our current scope, stop rewinding and
- * close our current scope (REWIND_REWIND), or continue (REWIND_NOHALT).
- * The scope-closing and so on occurs in the various rew_* routines.
+/*
+ * 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 int
-rew_dohalt(enum mdoct tok, enum mdoc_type type,
+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(REWIND_HALT);
- if (MDOC_VALID & p->flags)
- return(REWIND_NOHALT);
-
- switch (tok) {
- case (MDOC_Aq):
- /* FALLTHROUGH */
- case (MDOC_Bq):
- /* FALLTHROUGH */
- case (MDOC_Brq):
- /* FALLTHROUGH */
- case (MDOC_D1):
- /* FALLTHROUGH */
- case (MDOC_Dl):
- /* FALLTHROUGH */
- case (MDOC_Dq):
- /* FALLTHROUGH */
- case (MDOC_Op):
- /* FALLTHROUGH */
- case (MDOC_Pq):
- /* FALLTHROUGH */
- case (MDOC_Ql):
- /* FALLTHROUGH */
- case (MDOC_Qq):
- /* FALLTHROUGH */
- case (MDOC_Sq):
- /* FALLTHROUGH */
- case (MDOC_Vt):
- assert(MDOC_TAIL != type);
- if (type == p->type && tok == p->tok)
- return(REWIND_REWIND);
- break;
- case (MDOC_It):
- assert(MDOC_TAIL != type);
- if (type == p->type && tok == p->tok)
- return(REWIND_REWIND);
- if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
- return(REWIND_HALT);
- break;
- case (MDOC_Sh):
- if (type == p->type && tok == p->tok)
- return(REWIND_REWIND);
- break;
- case (MDOC_Nd):
- /* FALLTHROUGH */
- case (MDOC_Ss):
- assert(MDOC_TAIL != type);
- if (type == p->type && tok == p->tok)
- return(REWIND_REWIND);
- if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
- return(REWIND_HALT);
- break;
- case (MDOC_Ao):
- /* FALLTHROUGH */
- case (MDOC_Bd):
- /* FALLTHROUGH */
- case (MDOC_Bf):
- /* FALLTHROUGH */
- case (MDOC_Bk):
- /* FALLTHROUGH */
- case (MDOC_Bl):
- /* FALLTHROUGH */
- case (MDOC_Bo):
- /* FALLTHROUGH */
- case (MDOC_Bro):
- /* FALLTHROUGH */
- case (MDOC_Do):
- /* FALLTHROUGH */
- case (MDOC_Eo):
- /* FALLTHROUGH */
- case (MDOC_Fo):
- /* FALLTHROUGH */
- case (MDOC_Oo):
- /* FALLTHROUGH */
- case (MDOC_Po):
- /* FALLTHROUGH */
- case (MDOC_Qo):
- /* FALLTHROUGH */
- case (MDOC_Rs):
- /* FALLTHROUGH */
- case (MDOC_So):
- /* FALLTHROUGH */
- case (MDOC_Xo):
- if (type == p->type && tok == p->tok)
- return(REWIND_REWIND);
- break;
- /* Multi-line explicit scope close. */
- case (MDOC_Ac):
- /* FALLTHROUGH */
- case (MDOC_Bc):
- /* FALLTHROUGH */
- case (MDOC_Brc):
- /* FALLTHROUGH */
- case (MDOC_Dc):
- /* FALLTHROUGH */
- case (MDOC_Ec):
- /* FALLTHROUGH */
- case (MDOC_Ed):
- /* FALLTHROUGH */
- case (MDOC_Ek):
- /* FALLTHROUGH */
- case (MDOC_El):
- /* FALLTHROUGH */
- case (MDOC_Fc):
- /* FALLTHROUGH */
- case (MDOC_Ef):
- /* FALLTHROUGH */
- case (MDOC_Oc):
- /* FALLTHROUGH */
- case (MDOC_Pc):
- /* FALLTHROUGH */
- case (MDOC_Qc):
- /* FALLTHROUGH */
- case (MDOC_Re):
- /* FALLTHROUGH */
- case (MDOC_Sc):
- /* FALLTHROUGH */
- case (MDOC_Xc):
- if (type == p->type && rew_alt(tok) == p->tok)
- return(REWIND_REWIND);
- break;
- default:
- abort();
- /* NOTREACHED */
- }
-
- return(REWIND_NOHALT);
-}
+ 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 (MDOC_TEXT == p->type || MDOC_VALID & p->flags)
+ return(REWIND_MORE);
-/*
- * See if we can break an encountered scope (the rew_dohalt has returned
- * REWIND_NOHALT).
- */
-static int
-rew_dobreak(enum mdoct tok, const struct mdoc_node *p)
-{
+ /*
+ * 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);
- assert(MDOC_ROOT != p->type);
+ /*
+ * While elements do require rewinding for themselves,
+ * they never affect rewinding of other nodes.
+ */
if (MDOC_ELEM == p->type)
- return(1);
- if (MDOC_TEXT == p->type)
- return(1);
- if (MDOC_VALID & p->flags)
- return(1);
+ return(REWIND_MORE);
+ /*
+ * Blocks delimited by our target token get REWIND_MORE.
+ * Blocks delimiting our target token get REWIND_NONE.
+ */
switch (tok) {
- case (MDOC_It):
- return(MDOC_It == p->tok);
- case (MDOC_Nd):
- return(MDOC_Nd == p->tok);
- case (MDOC_Ss):
- return(MDOC_Ss == p->tok);
- case (MDOC_Sh):
- if (MDOC_Nd == p->tok)
- return(1);
- if (MDOC_Ss == p->tok)
- return(1);
- return(MDOC_Sh == p->tok);
- case (MDOC_El):
+ case MDOC_Bl:
if (MDOC_It == p->tok)
- return(1);
+ return(REWIND_MORE);
break;
- case (MDOC_Oc):
+ 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(1);
+ 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;
}
- if (MDOC_EXPLICIT & mdoc_macros[tok].flags)
- return(p->tok == rew_alt(tok));
- else if (MDOC_BLOCK == p->type)
- return(1);
+ /*
+ * Default block rewinding rules.
+ * In particular, always skip block end markers,
+ * and let all blocks rewind Nm children.
+ */
+ if (ENDBODY_NOT != p->end || MDOC_Nm == p->tok ||
+ (MDOC_BLOCK == p->type &&
+ ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
+ return(REWIND_MORE);
- return(tok == p->tok);
+ /*
+ * 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 int
rew_elem(struct mdoc *mdoc, enum mdoct tok)
{
return(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.
+ */
+static int
+make_pending(struct mdoc_node *broken, enum mdoct tok,
+ struct mdoc *mdoc, int line, int ppos)
+{
+ 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 had already been broken before
+ * and we encounter its breaker, make the tok block
+ * pending on the inner breaker.
+ * Graphically, "[A breaker=[B broken=[C->B B] tok=A] C]"
+ * becomes "[A broken=[B [C->B B] tok=A] C]"
+ * and finally "[A [B->A [C->B B] A] C]".
+ */
+ if (breaker == broken->pending) {
+ broken = breaker;
+ 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 is already pending on
+ * the *broken block, we must not clobber the link
+ * to the outer breaker, but make it pending on the
+ * new, now inner breaker.
+ * Graphically, "[A breaker=[B broken=[C->A A] tok=B] C]"
+ * becomes "[A breaker=[B->A broken=[C A] tok=B] C]"
+ * and finally "[A [B->A [C->B A] B] C]".
+ */
+ if (broken->pending) {
+ struct mdoc_node *taker;
+
+ /*
+ * If the breaker had also been broken before,
+ * it cannot take on the outer breaker itself,
+ * but must hand it on to its own breakers.
+ * Graphically, this is the following situation:
+ * "[A [B breaker=[C->B B] broken=[D->A A] tok=C] D]"
+ * "[A taker=[B->A breaker=[C->B B] [D->C A] C] D]"
+ */
+ taker = breaker;
+ while (taker->pending)
+ taker = taker->pending;
+ taker->pending = broken->pending;
+ }
+ broken->pending = breaker;
+ 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 int
-rew_sub(enum mdoc_type t, struct mdoc *m,
+rew_sub(enum mdoc_type t, struct mdoc *mdoc,
enum mdoct tok, int line, int ppos)
{
struct mdoc_node *n;
- int c;
- /* LINTED */
- for (n = m->last; n; n = n->parent) {
- c = rew_dohalt(tok, t, n);
- if (REWIND_HALT == c) {
- if (MDOC_BLOCK != t)
- return(1);
- if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags))
- return(1);
- return(mdoc_perr(m, line, ppos, ENOCTX));
- }
- if (REWIND_REWIND == c)
+ n = mdoc->last;
+ while (n) {
+ switch (rew_dohalt(tok, t, n)) {
+ case REWIND_NONE:
+ return(1);
+ case REWIND_THIS:
+ n->lastline = line -
+ (MDOC_NEWLINE & mdoc->flags &&
+ ! (MDOC_EXPLICIT & mdoc_macros[tok].flags));
break;
- else if (rew_dobreak(tok, n))
+ 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_NEWLINE & mdoc->flags ? 1 : 0);
+ n = n->parent;
continue;
- if ( ! swarn(m, t, line, ppos, n))
- return(0);
+ case REWIND_LATER:
+ if (make_pending(n, tok, mdoc, line, ppos) ||
+ MDOC_BLOCK != t)
+ return(1);
+ /* FALLTHROUGH */
+ case REWIND_ERROR:
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN,
+ mdoc->parse, line, ppos,
+ mdoc_macronames[tok]);
+ return(1);
+ }
+ break;
}
assert(n);
- if ( ! rew_last(m, n))
+ if ( ! rew_last(mdoc, n))
return(0);
-#ifdef UGLY
/*
- * The current block extends an enclosing block beyond a line
- * break. Now that the current block ends, close the enclosing
- * block, too.
+ * The current block extends an enclosing block.
+ * Now that the current block ends, close the enclosing block, too.
*/
- if (NULL != (n = n->pending)) {
- assert(MDOC_HEAD == n->type);
- if ( ! rew_last(m, n))
+ while (NULL != (n = n->pending)) {
+ if ( ! rew_last(mdoc, n))
return(0);
- if ( ! mdoc_body_alloc(m, n->line, n->pos, n->tok))
+ if (MDOC_HEAD == n->type &&
+ ! mdoc_body_alloc(mdoc, n->line, n->pos, n->tok))
return(0);
}
-#endif
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 *mdoc, int line, int col, const char *p,
+ enum mdelim d, int may_append)
+{
+
+ if (DELIM_MAX == d)
+ d = mdoc_isdelim(p);
+
+ if (may_append &&
+ ! ((MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF) & mdoc->flags) &&
+ DELIM_NONE == d && MDOC_TEXT == mdoc->last->type &&
+ DELIM_NONE == mdoc_isdelim(mdoc->last->string)) {
+ mdoc_word_append(mdoc, p);
+ return(1);
+ }
+
+ if ( ! mdoc_word_alloc(mdoc, line, col, p))
+ return(0);
+
+ if (DELIM_OPEN == d)
+ mdoc->last->flags |= MDOC_DELIMO;
+
+ /*
+ * Closing delimiters only suppress the preceding space
+ * when they follow something, not when they start a new
+ * block or element, and not when they follow `No'.
+ *
+ * XXX Explicitly special-casing MDOC_No here feels
+ * like a layering violation. Find a better way
+ * and solve this in the code related to `No'!
+ */
+
+ else if (DELIM_CLOSE == d && mdoc->last->prev &&
+ mdoc->last->prev->tok != MDOC_No &&
+ mdoc->last->parent->tok != MDOC_Fd)
+ mdoc->last->flags |= MDOC_DELIMC;
+
+ return(1);
+}
static int
append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
{
- int c, lastarg;
+ int la;
+ enum margserr ac;
char *p;
- if (0 == buf[*pos])
+ if ('\0' == buf[*pos])
return(1);
for (;;) {
- lastarg = *pos;
- c = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p);
- assert(ARGS_PHRASE != c);
+ la = *pos;
+ ac = mdoc_zargs(mdoc, line, pos, buf, &p);
- if (ARGS_ERROR == c)
+ if (ARGS_ERROR == ac)
return(0);
- else if (ARGS_EOLN == c)
+ else if (ARGS_EOLN == ac)
break;
- assert(mdoc_isdelim(p));
- if ( ! mdoc_word_alloc(mdoc, line, lastarg, p))
- return(0);
+
+ dword(mdoc, line, la, p, DELIM_MAX, 1);
+
+ /*
+ * If we encounter end-of-sentence symbols, then trigger
+ * the double-space.
+ *
+ * XXX: it's easy to allow this to propagate outward to
+ * the last symbol, such that `. )' will cause the
+ * correct double-spacing. However, (1) groff isn't
+ * smart enough to do this and (2) it would require
+ * knowing which symbols break this behaviour, for
+ * example, `. ;' shouldn't propagate the double-space.
+ */
+ if (mandoc_eos(p, strlen(p)))
+ mdoc->last->flags |= MDOC_EOS;
}
return(1);
}
-
/*
- * Close out block partial/full explicit.
+ * Close out block partial/full explicit.
*/
static int
blk_exp_close(MACRO_PROT_ARGS)
{
- int j, c, lastarg, maxargs, flushed;
+ struct mdoc_node *body; /* Our own body. */
+ struct mdoc_node *later; /* A sub-block starting later. */
+ struct mdoc_node *n; /* For searching backwards. */
+
+ int j, lastarg, maxargs, flushed, nl;
+ enum margserr ac;
+ enum mdoct atok, ntok;
char *p;
+ nl = MDOC_NEWLINE & mdoc->flags;
+
switch (tok) {
- case (MDOC_Ec):
+ case MDOC_Ec:
maxargs = 1;
break;
+ case MDOC_Ek:
+ mdoc->flags &= ~MDOC_KEEP;
default:
maxargs = 0;
break;
}
- if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
- if (buf[*pos])
- if ( ! mdoc_pwarn(m, line, ppos, ENOLINE))
+ /*
+ * Search backwards for beginnings of blocks,
+ * both of our own and of pending sub-blocks.
+ */
+ atok = rew_alt(tok);
+ body = later = NULL;
+ for (n = mdoc->last; n; n = n->parent) {
+ if (MDOC_VALID & n->flags)
+ continue;
+
+ /* Remember the start of our own body. */
+ if (MDOC_BODY == n->type && atok == n->tok) {
+ if (ENDBODY_NOT == n->end)
+ body = n;
+ continue;
+ }
+
+ if (MDOC_BLOCK != n->type || MDOC_Nm == n->tok)
+ continue;
+ if (atok == n->tok) {
+ assert(body);
+
+ /*
+ * Found the start of our own block.
+ * When there is no pending sub block,
+ * just proceed to closing out.
+ */
+ if (NULL == later)
+ 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);
+
+ /*
+ * Mark the place where the formatting - but not
+ * the scope - of the current block ends.
+ */
+ if ( ! mdoc_endbody_alloc(mdoc, line, ppos,
+ atok, body, ENDBODY_SPACE))
return(0);
+ 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.
+ */
+ if (later &&
+ MDOC_EXPLICIT & mdoc_macros[later->tok].flags)
+ continue;
+ if (MDOC_It != n->tok)
+ later = n;
+ }
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
+ if ( ! (MDOC_PARSED & mdoc_macros[tok].flags)) {
+ if ('\0' != buf[*pos])
+ mandoc_vmsg(MANDOCERR_ARG_SKIP,
+ mdoc->parse, line, ppos,
+ "%s %s", mdoc_macronames[tok],
+ buf + *pos);
+ if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
return(0);
- return(rew_sub(MDOC_BLOCK, m, tok, line, ppos));
+ return(rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos));
}
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
return(0);
- if (maxargs > 0)
- if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok)))
+ if (NULL == later && maxargs > 0)
+ if ( ! mdoc_tail_alloc(mdoc, line, ppos, rew_alt(tok)))
return(0);
for (flushed = j = 0; ; j++) {
lastarg = *pos;
if (j == maxargs && ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
return(0);
flushed = 1;
}
- c = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == c)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_PUNCT == c)
+ if (ARGS_PUNCT == ac)
break;
- if (ARGS_EOLN == c)
+ if (ARGS_EOLN == ac)
break;
- if (MDOC_MAX != (c = lookup(tok, p))) {
- if ( ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
- flushed = 1;
- }
- if ( ! mdoc_macro(m, c, line, lastarg, pos, buf))
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, lastarg, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
- break;
- }
+ continue;
+ }
- if ( ! mdoc_word_alloc(m, line, lastarg, p))
+ if ( ! flushed) {
+ if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
+ return(0);
+ flushed = 1;
+ }
+
+ mdoc->flags &= ~MDOC_NEWLINE;
+
+ if ( ! mdoc_macro(mdoc, ntok, line, lastarg, pos, buf))
return(0);
+ break;
}
- if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
+ if ( ! flushed && ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
return(0);
- if (ppos > 1)
+ if ( ! nl)
return(1);
- return(append_delims(m, line, pos, buf));
+ return(append_delims(mdoc, line, pos, buf));
}
-
static int
in_line(MACRO_PROT_ARGS)
{
- int la, lastpunct, c, w, cnt, d, nc;
- struct mdoc_arg *arg;
- char *p;
+ int la, scope, cnt, mayopen, nc, nl;
+ enum margverr av;
+ enum mdoct ntok;
+ enum margserr ac;
+ enum mdelim d;
+ struct mdoc_arg *arg;
+ char *p;
+
+ nl = MDOC_NEWLINE & mdoc->flags;
/*
* Whether we allow ignored elements (those without content,
*/
switch (tok) {
- case (MDOC_An):
+ case MDOC_An:
/* FALLTHROUGH */
- case (MDOC_Ar):
+ case MDOC_Ar:
/* FALLTHROUGH */
- case (MDOC_Fl):
+ case MDOC_Fl:
/* FALLTHROUGH */
- case (MDOC_Lk):
+ case MDOC_Mt:
/* FALLTHROUGH */
- case (MDOC_Nm):
+ case MDOC_Nm:
/* FALLTHROUGH */
- case (MDOC_Pa):
+ case MDOC_Pa:
nc = 1;
break;
default:
for (arg = NULL;; ) {
la = *pos;
- c = mdoc_argv(m, line, tok, &arg, pos, buf);
+ av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- if (ARGV_WORD == c) {
+ if (ARGV_WORD == av) {
*pos = la;
break;
- }
- if (ARGV_EOLN == c)
+ }
+ if (ARGV_EOLN == av)
break;
- if (ARGV_ARG == c)
+ if (ARGV_ARG == av)
continue;
mdoc_argv_free(arg);
return(0);
}
- for (cnt = 0, lastpunct = 1;; ) {
+ mayopen = 1;
+ for (cnt = scope = 0;; ) {
la = *pos;
- w = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == w)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_EOLN == w)
+ if (ARGS_EOLN == ac)
break;
- if (ARGS_PUNCT == w)
+ if (ARGS_PUNCT == ac)
break;
- /* Quoted words shouldn't be looked-up. */
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
- c = ARGS_QWORD == w ? MDOC_MAX : lookup(tok, p);
-
- /*
+ /*
* In this case, we've located a submacro and must
* execute it. Close out scope, if open. If no
* elements have been generated, either create one (nc)
* or raise a warning.
*/
- if (MDOC_MAX != c) {
- if (0 == lastpunct && ! rew_elem(m, tok))
+ if (MDOC_MAX != ntok) {
+ if (scope && ! rew_elem(mdoc, tok))
return(0);
if (nc && 0 == cnt) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
+ if ( ! mdoc_elem_alloc(mdoc,
+ line, ppos, tok, arg))
return(0);
- if ( ! rew_last(m, m->last))
+ if ( ! rew_last(mdoc, mdoc->last))
return(0);
} else if ( ! nc && 0 == cnt) {
mdoc_argv_free(arg);
- if ( ! mdoc_pwarn(m, line, ppos, EIGNE))
- return(0);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ mdoc->parse, line, ppos,
+ mdoc_macronames[tok]);
}
- c = mdoc_macro(m, c, line, la, pos, buf);
- if (0 == c)
+
+ if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
- if (ppos > 1)
+ if ( ! nl)
return(1);
- return(append_delims(m, line, pos, buf));
- }
+ return(append_delims(mdoc, line, pos, buf));
+ }
- /*
+ /*
* Non-quote-enclosed punctuation. Set up our scope, if
* a word; rewind the scope, if a delimiter; then append
- * the word.
+ * the word.
*/
- d = ARGS_QWORD == w ? 0 : mdoc_isdelim(p);
-
- if (ARGS_QWORD != w && d) {
- if (0 == lastpunct && ! rew_elem(m, tok))
+ d = ARGS_QWORD == ac ? DELIM_NONE : mdoc_isdelim(p);
+
+ if (DELIM_NONE != d) {
+ /*
+ * If we encounter closing punctuation, no word
+ * has been omitted, no scope is open, and we're
+ * allowed to have an empty element, then start
+ * a new scope.
+ */
+ if ((d == DELIM_CLOSE ||
+ (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
+ (nc || tok == MDOC_Li) &&
+ !scope && !cnt && mayopen) {
+ if ( ! mdoc_elem_alloc(mdoc,
+ line, ppos, tok, arg))
+ return(0);
+ scope = 1;
+ cnt++;
+ if (MDOC_Li == tok || MDOC_Nm == tok)
+ mayopen = 0;
+ }
+ /*
+ * Close out our scope, if one is open, before
+ * any punctuation.
+ */
+ if (scope && ! rew_elem(mdoc, tok))
return(0);
- lastpunct = 1;
- } else if (lastpunct) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
+ scope = 0;
+ } else if (mayopen && !scope) {
+ if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
return(0);
- lastpunct = 0;
+ scope = 1;
+ cnt++;
}
- if ( ! d)
- cnt++;
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(mdoc, line, la, p, d,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
/*
* word so that the `-' can be added to each one without
* having to parse out spaces.
*/
- if (0 == lastpunct && MDOC_Fl == tok) {
- if ( ! rew_elem(m, tok))
+ if (scope && MDOC_Fl == tok) {
+ if ( ! rew_elem(mdoc, tok))
return(0);
- lastpunct = 1;
+ scope = 0;
}
}
- if (0 == lastpunct && ! rew_elem(m, tok))
+ if (scope && ! rew_elem(mdoc, tok))
return(0);
/*
*/
if (nc && 0 == cnt) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
+ if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
return(0);
- if ( ! rew_last(m, m->last))
+ if ( ! rew_last(mdoc, mdoc->last))
return(0);
} else if ( ! nc && 0 == cnt) {
mdoc_argv_free(arg);
- if ( ! mdoc_pwarn(m, line, ppos, EIGNE))
- return(0);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ line, ppos, mdoc_macronames[tok]);
}
- if (ppos > 1)
+ if ( ! nl)
return(1);
- return(append_delims(m, line, pos, buf));
+ return(append_delims(mdoc, line, pos, buf));
}
-
static int
blk_full(MACRO_PROT_ARGS)
{
- int c, la;
+ int la, nl, nparsed;
struct mdoc_arg *arg;
struct mdoc_node *head; /* save of head macro */
struct mdoc_node *body; /* save of body macro */
-#ifdef UGLY
struct mdoc_node *n;
-#endif
+ enum mdoc_type mtt;
+ enum mdoct ntok;
+ enum margserr ac, lac;
+ enum margverr av;
char *p;
+ nl = MDOC_NEWLINE & mdoc->flags;
+
+ /* Skip items outside lists. */
+
+ if (tok == MDOC_It) {
+ for (n = mdoc->last; n; n = n->parent)
+ if (n->tok == MDOC_Bl &&
+ ! (n->flags & MDOC_VALID))
+ break;
+ if (n == NULL) {
+ mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
+ line, ppos, "It %s", buf + *pos);
+ if ( ! mdoc_elem_alloc(mdoc, line, ppos,
+ MDOC_br, NULL))
+ return(0);
+ return(rew_elem(mdoc, MDOC_br));
+ }
+ }
+
/* Close out prior implicit scope. */
if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) {
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
return(0);
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
return(0);
}
/*
- * This routine accomodates implicitly- and explicitly-scoped
+ * This routine accommodates implicitly- and explicitly-scoped
* macro openings. Implicit ones first close out prior scope
* (seen above). Delay opening the head until necessary to
* allow leading punctuation to print. Special consideration
for (arg = NULL;; ) {
la = *pos;
- c = mdoc_argv(m, line, tok, &arg, pos, buf);
+ av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- if (ARGV_WORD == c) {
+ if (ARGV_WORD == av) {
*pos = la;
break;
- }
+ }
- if (ARGV_EOLN == c)
+ if (ARGV_EOLN == av)
break;
- if (ARGV_ARG == c)
+ if (ARGV_ARG == av)
continue;
mdoc_argv_free(arg);
return(0);
}
- if ( ! mdoc_block_alloc(m, line, ppos, tok, arg))
+ if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, arg))
return(0);
head = body = NULL;
+ /*
+ * Exception: Heads of `It' macros in `-diag' lists are not
+ * parsed, even though `It' macros in general are parsed.
+ */
+ nparsed = MDOC_It == tok &&
+ MDOC_Bl == mdoc->last->parent->tok &&
+ LIST_diag == mdoc->last->parent->norm->Bl.type;
+
/*
* The `Nd' macro has all arguments in its body: it's a hybrid
* of block partial-explicit and full-implicit. Stupid.
*/
if (MDOC_Nd == tok) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
+ if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
return(0);
- head = m->last;
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
+ head = mdoc->last;
+ if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
- body = m->last;
- }
+ body = mdoc->last;
+ }
- for (;;) {
+ if (MDOC_Bk == tok)
+ mdoc->flags |= MDOC_KEEP;
+
+ ac = ARGS_ERROR;
+
+ for ( ; ; ) {
la = *pos;
- c = mdoc_args(m, line, pos, buf, tok, &p);
+ /* Initialise last-phrase-type with ARGS_PEND. */
+ lac = ARGS_ERROR == ac ? ARGS_PEND : ac;
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == c)
+ if (ARGS_PUNCT == ac)
+ break;
+
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_EOLN == c)
+
+ if (ARGS_EOLN == ac) {
+ if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac)
+ 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.
+ */
+ if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
+ return(0);
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
+ return(0);
+ body = mdoc->last;
break;
+ }
- /* Don't emit leading punct. for phrases. */
+ /*
+ * Emit leading punctuation (i.e., punctuation before
+ * the MDOC_HEAD) for non-phrase types.
+ */
- if (NULL == head && ARGS_PHRASE != c &&
- ARGS_QWORD != c &&
- 1 == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if (NULL == head &&
+ ARGS_PEND != ac &&
+ ARGS_PHRASE != ac &&
+ ARGS_PPHRASE != ac &&
+ ARGS_QWORD != ac &&
+ DELIM_OPEN == mdoc_isdelim(p)) {
+ if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
return(0);
continue;
}
- /* Always re-open head for phrases. */
+ /* Open a head if one hasn't been opened. */
- if (NULL == head || ARGS_PHRASE == c) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
+ if (NULL == head) {
+ if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
return(0);
- head = m->last;
+ head = mdoc->last;
}
- if (ARGS_PHRASE == c) {
- if ( ! phrase(m, line, la, buf))
+ if (ARGS_PHRASE == ac ||
+ ARGS_PEND == ac ||
+ ARGS_PPHRASE == ac) {
+ /*
+ * If we haven't opened a body yet, rewind the
+ * head; if we have, rewind that instead.
+ */
+
+ mtt = body ? MDOC_BODY : MDOC_HEAD;
+ if ( ! rew_sub(mtt, mdoc, tok, line, ppos))
+ return(0);
+
+ /* Then allocate our body context. */
+
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
+ body = mdoc->last;
+
+ /*
+ * Process phrases: set whether we're in a
+ * partial-phrase (this effects line handling)
+ * then call down into the phrase parser.
+ */
+
+ if (ARGS_PPHRASE == ac)
+ mdoc->flags |= MDOC_PPHRASE;
+ if (ARGS_PEND == ac && ARGS_PPHRASE == lac)
+ mdoc->flags |= MDOC_PPHRASE;
+
+ if ( ! phrase(mdoc, line, la, buf))
return(0);
+
+ mdoc->flags &= ~MDOC_PPHRASE;
continue;
}
- c = lookup(tok, p);
- if (MDOC_MAX != c) {
- if ( ! mdoc_macro(m, c, line, la, pos, buf))
+ ntok = nparsed || ARGS_QWORD == ac ?
+ MDOC_MAX : lookup(tok, p);
+
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
- break;
+ continue;
}
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
+ return(0);
+ break;
}
if (NULL == head) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
+ if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
return(0);
- head = m->last;
+ head = mdoc->last;
}
-
- if (1 == ppos && ! append_delims(m, line, pos, buf))
+
+ if (nl && ! append_delims(mdoc, line, pos, buf))
return(0);
/* If we've already opened our body, exit now. */
if (NULL != body)
- return(1);
+ goto out;
-#ifdef UGLY
/*
* 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 = m->last; n && n != head; n = n->parent) {
- if (MDOC_BLOCK == n->type &&
- MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
- ! (MDOC_VALID & n->flags)) {
- assert( ! (MDOC_ACTED & n->flags));
+ for (n = mdoc->last; n && n != head; n = n->parent) {
+ if (MDOC_BLOCK == n->type &&
+ MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
+ ! (MDOC_VALID & n->flags)) {
n->pending = head;
return(1);
}
}
-#endif
/* Close out scopes to remain in a consistent state. */
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
+out:
+ if ( ! (MDOC_FREECOL & mdoc->flags))
+ return(1);
+
+ if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
+ return(0);
+ if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
+ return(0);
+
+ mdoc->flags &= ~MDOC_FREECOL;
return(1);
}
-
static int
blk_part_imp(MACRO_PROT_ARGS)
{
- int la, c;
+ int la, nl;
+ enum mdoct ntok;
+ enum margserr ac;
char *p;
struct mdoc_node *blk; /* saved block context */
struct mdoc_node *body; /* saved body context */
struct mdoc_node *n;
+ nl = MDOC_NEWLINE & mdoc->flags;
+
/*
* A macro that spans to the end of the line. This is generally
* (but not necessarily) called as the first macro. The block
* or more closing punctuation nodes.
*/
- if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL))
+ if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL))
return(0);
- blk = m->last;
+ blk = mdoc->last;
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
+ if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
return(0);
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
return(0);
/*
for (body = NULL; ; ) {
la = *pos;
- c = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- assert(ARGS_PHRASE != c);
-
- if (ARGS_ERROR == c)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_EOLN == c)
+ if (ARGS_EOLN == ac)
break;
- if (ARGS_PUNCT == c)
+ if (ARGS_PUNCT == ac)
break;
- if (NULL == body && ARGS_QWORD != c &&
- 1 == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if (NULL == body && ARGS_QWORD != ac &&
+ DELIM_OPEN == mdoc_isdelim(p)) {
+ if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
return(0);
continue;
- }
+ }
if (NULL == body) {
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
- body = m->last;
+ body = mdoc->last;
}
- if (MDOC_MAX != (c = lookup(tok, p))) {
- if ( ! mdoc_macro(m, c, line, la, pos, buf))
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
- break;
- }
+ continue;
+ }
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
+ break;
}
/* Clean-ups to leave in a consistent state. */
if (NULL == body) {
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
- body = m->last;
+ body = mdoc->last;
}
- /*
- * If we can't rewind to our body, then our scope has already
- * been closed by another macro (like `Oc' closing `Op'). This
- * is ugly behaviour nodding its head to OpenBSD's overwhelming
- * crufty use of `Op' breakage.
+ /*
+ * 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.
*/
- for (n = m->last; n; n = n->parent)
- if (body == n)
- break;
-
- if (NULL == n && ! mdoc_nwarn(m, body, EIMPBRK))
- return(0);
+ for (n = mdoc->last; n && n != body && n != blk->parent;
+ n = n->parent) {
+ if (MDOC_BLOCK == n->type &&
+ MDOC_EXPLICIT & mdoc_macros[n->tok].flags &&
+ ! (MDOC_VALID & n->flags)) {
+ make_pending(n, tok, mdoc, line, ppos);
+ if ( ! mdoc_endbody_alloc(mdoc, line, ppos,
+ tok, body, ENDBODY_NOSPACE))
+ return(0);
+ return(1);
+ }
+ }
+ assert(n == body);
- if (n && ! rew_last(m, body))
+ if ( ! rew_sub(MDOC_BODY, mdoc, tok, line, ppos))
return(0);
/* Standard appending of delimiters. */
- if (1 == ppos && ! append_delims(m, line, pos, buf))
+ if (nl && ! append_delims(mdoc, line, pos, buf))
return(0);
/* Rewind scope, if applicable. */
- if (n && ! rew_last(m, blk))
+ if ( ! rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos))
return(0);
+ /* Move trailing .Ns out of scope. */
+
+ for (n = body->child; n && n->next; n = n->next)
+ /* Do nothing. */ ;
+ if (n && MDOC_Ns == n->tok)
+ mdoc_node_relink(mdoc, n);
+
return(1);
}
-
static int
blk_part_exp(MACRO_PROT_ARGS)
{
- int la, c;
+ int la, nl;
+ enum margserr ac;
struct mdoc_node *head; /* keep track of head */
struct mdoc_node *body; /* keep track of body */
char *p;
+ enum mdoct ntok;
+
+ nl = MDOC_NEWLINE & mdoc->flags;
/*
* The opening of an explicit macro having zero or more leading
* case of `Eo'); and a body that may be empty.
*/
- if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL))
- return(0);
+ if ( ! mdoc_block_alloc(mdoc, line, ppos, tok, NULL))
+ return(0);
for (head = body = NULL; ; ) {
la = *pos;
- c = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == c)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_PUNCT == c)
+ if (ARGS_PUNCT == ac)
break;
- if (ARGS_EOLN == c)
+ if (ARGS_EOLN == ac)
break;
- assert(ARGS_PHRASE != c);
-
/* Flush out leading punctuation. */
- if (NULL == head && ARGS_QWORD != c &&
- 1 == mdoc_isdelim(p)) {
+ if (NULL == head && ARGS_QWORD != ac &&
+ DELIM_OPEN == mdoc_isdelim(p)) {
assert(NULL == body);
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
return(0);
continue;
- }
+ }
if (NULL == head) {
assert(NULL == body);
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
+ if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
return(0);
- head = m->last;
+ head = mdoc->last;
}
/*
assert(head);
/* No check whether it's a macro! */
if (MDOC_Eo == tok)
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX, 0))
return(0);
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
- body = m->last;
+ body = mdoc->last;
if (MDOC_Eo == tok)
continue;
assert(NULL != head && NULL != body);
- if (MDOC_MAX != (c = lookup(tok, p))) {
- if ( ! mdoc_macro(m, c, line, la, pos, buf))
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
- break;
+ continue;
}
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
+ break;
}
/* Clean-up to leave in a consistent state. */
- if (NULL == head) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
+ if (NULL == head)
+ if ( ! mdoc_head_alloc(mdoc, line, ppos, tok))
return(0);
- head = m->last;
- }
if (NULL == body) {
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
+ if ( ! rew_sub(MDOC_HEAD, mdoc, tok, line, ppos))
return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, tok))
return(0);
- body = m->last;
}
/* Standard appending of delimiters. */
- if (ppos > 1)
+ if ( ! nl)
return(1);
-
- return(append_delims(m, line, pos, buf));
+ return(append_delims(mdoc, line, pos, buf));
}
-
static int
in_line_argn(MACRO_PROT_ARGS)
{
- int la, flushed, j, c, maxargs;
- struct mdoc_arg *arg;
- char *p;
+ int la, flushed, j, maxargs, nl;
+ enum margserr ac;
+ enum margverr av;
+ struct mdoc_arg *arg;
+ char *p;
+ enum mdoct ntok;
+
+ nl = MDOC_NEWLINE & mdoc->flags;
/*
* A line macro that has a fixed number of arguments (maxargs).
*/
switch (tok) {
- case (MDOC_Ap):
+ case MDOC_Ap:
/* FALLTHROUGH */
- case (MDOC_No):
+ case MDOC_No:
/* FALLTHROUGH */
- case (MDOC_Ns):
+ case MDOC_Ns:
/* FALLTHROUGH */
- case (MDOC_Ux):
+ case MDOC_Ux:
maxargs = 0;
break;
- case (MDOC_Xr):
+ case MDOC_Bx:
+ /* FALLTHROUGH */
+ case MDOC_Es:
+ /* FALLTHROUGH */
+ case MDOC_Xr:
maxargs = 2;
break;
default:
for (arg = NULL; ; ) {
la = *pos;
- c = mdoc_argv(m, line, tok, &arg, pos, buf);
+ av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- if (ARGV_WORD == c) {
+ if (ARGV_WORD == av) {
*pos = la;
break;
- }
+ }
- if (ARGV_EOLN == c)
+ if (ARGV_EOLN == av)
break;
- if (ARGV_ARG == c)
+ if (ARGV_ARG == av)
continue;
mdoc_argv_free(arg);
for (flushed = j = 0; ; ) {
la = *pos;
- c = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == c)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_PUNCT == c)
+ if (ARGS_PUNCT == ac)
break;
- if (ARGS_EOLN == c)
+ if (ARGS_EOLN == ac)
break;
- if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != c &&
- 0 == j && 1 == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
+ ARGS_QWORD != ac && 0 == j &&
+ DELIM_OPEN == mdoc_isdelim(p)) {
+ if ( ! dword(mdoc, line, la, p, DELIM_OPEN, 0))
return(0);
continue;
} else if (0 == j)
- if ( ! mdoc_elem_alloc(m, line, la, tok, arg))
+ if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
return(0);
if (j == maxargs && ! flushed) {
- if ( ! rew_elem(m, tok))
+ if ( ! rew_elem(mdoc, tok))
return(0);
flushed = 1;
}
- if (MDOC_MAX != (c = lookup(tok, p))) {
- if ( ! flushed && ! rew_elem(m, tok))
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+
+ if (MDOC_MAX != ntok) {
+ if ( ! flushed && ! rew_elem(mdoc, tok))
return(0);
flushed = 1;
- if ( ! mdoc_macro(m, c, line, la, pos, buf))
+ if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
return(0);
j++;
break;
}
if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != c &&
- ! flushed && mdoc_isdelim(p)) {
- if ( ! rew_elem(m, tok))
+ ARGS_QWORD != ac &&
+ ! flushed &&
+ DELIM_NONE != mdoc_isdelim(p)) {
+ if ( ! rew_elem(mdoc, tok))
return(0);
flushed = 1;
}
- /*
- * XXX: this is a hack to work around groff's ugliness
- * as regards `Xr' and extraneous arguments. It should
- * ideally be deprecated behaviour, but because this is
- * code is no here, it's unlikely to be removed.
- */
-
-#ifdef __OpenBSD__
- if (MDOC_Xr == tok && j == maxargs) {
- if ( ! mdoc_elem_alloc(m, line, la, MDOC_Ns, NULL))
- return(0);
- if ( ! rew_elem(m, MDOC_Ns))
- return(0);
- }
-#endif
-
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
j++;
}
- if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg))
+ if (0 == j && ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
return(0);
/* Close out in a consistent state. */
- if ( ! flushed && ! rew_elem(m, tok))
+ if ( ! flushed && ! rew_elem(mdoc, tok))
return(0);
-
- if (ppos > 1)
+ if ( ! nl)
return(1);
- return(append_delims(m, line, pos, buf));
+ return(append_delims(mdoc, line, pos, buf));
}
-
static int
in_line_eoln(MACRO_PROT_ARGS)
{
- int c, w, la;
- struct mdoc_arg *arg;
- char *p;
+ int la;
+ enum margserr ac;
+ enum margverr av;
+ struct mdoc_arg *arg;
+ char *p;
+ enum mdoct ntok;
assert( ! (MDOC_PARSED & mdoc_macros[tok].flags));
+ if (tok == MDOC_Pp)
+ rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
+
/* Parse macro arguments. */
for (arg = NULL; ; ) {
la = *pos;
- c = mdoc_argv(m, line, tok, &arg, pos, buf);
+ av = mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- if (ARGV_WORD == c) {
+ if (ARGV_WORD == av) {
*pos = la;
break;
}
- if (ARGV_EOLN == c)
+ if (ARGV_EOLN == av)
break;
- if (ARGV_ARG == c)
+ if (ARGV_ARG == av)
continue;
mdoc_argv_free(arg);
/* Open element scope. */
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
+ if ( ! mdoc_elem_alloc(mdoc, line, ppos, tok, arg))
return(0);
/* Parse argument terms. */
for (;;) {
la = *pos;
- w = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == w)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_EOLN == w)
+ if (ARGS_EOLN == ac)
break;
- c = ARGS_QWORD == w ? MDOC_MAX : lookup(tok, p);
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
- if (MDOC_MAX != c) {
- if ( ! rew_elem(m, tok))
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
return(0);
- return(mdoc_macro(m, c, line, la, pos, buf));
- }
+ continue;
+ }
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! rew_elem(mdoc, tok))
return(0);
+ return(mdoc_macro(mdoc, ntok, line, la, pos, buf));
}
/* Close out (no delimiters). */
- return(rew_elem(m, tok));
+ return(rew_elem(mdoc, tok));
}
-
-/* ARGSUSED */
static int
ctx_synopsis(MACRO_PROT_ARGS)
{
+ int nl;
+
+ nl = MDOC_NEWLINE & mdoc->flags;
/* If we're not in the SYNOPSIS, go straight to in-line. */
- if (SEC_SYNOPSIS != m->lastsec)
- return(in_line(m, tok, line, ppos, pos, buf));
+ if ( ! (MDOC_SYNOPSIS & mdoc->flags))
+ return(in_line(mdoc, tok, line, ppos, pos, buf));
/* If we're a nested call, same place. */
- if (ppos > 1)
- return(in_line(m, tok, line, ppos, pos, buf));
+ if ( ! nl)
+ return(in_line(mdoc, tok, line, ppos, pos, buf));
/*
* XXX: this will open a block scope; however, if later we end
* up formatting the block scope, then child nodes will inherit
* the formatting. Be careful.
*/
-
- return(blk_part_imp(m, tok, line, ppos, pos, buf));
-}
-
-
-/* ARGSUSED */
-static int
-obsolete(MACRO_PROT_ARGS)
-{
-
- return(mdoc_pwarn(m, line, ppos, EOBS));
+ if (MDOC_Nm == tok)
+ return(blk_full(mdoc, tok, line, ppos, pos, buf));
+ assert(MDOC_Vt == tok);
+ return(blk_part_imp(mdoc, tok, line, ppos, pos, buf));
}
-
/*
* Phrases occur within `Bl -column' entries, separated by `Ta' or tabs.
* They're unusual because they're basically free-form text until a
* macro is encountered.
*/
static int
-phrase(struct mdoc *m, int line, int ppos, char *buf)
+phrase(struct mdoc *mdoc, int line, int ppos, char *buf)
{
- int c, w, la, pos;
- char *p;
+ int la, pos;
+ enum margserr ac;
+ enum mdoct ntok;
+ char *p;
for (pos = ppos; ; ) {
la = pos;
- /* Note: no calling context! */
- w = mdoc_zargs(m, line, &pos, buf, 0, &p);
+ ac = mdoc_zargs(mdoc, line, &pos, buf, &p);
- if (ARGS_ERROR == w)
+ if (ARGS_ERROR == ac)
return(0);
- if (ARGS_EOLN == w)
+ if (ARGS_EOLN == ac)
break;
- c = ARGS_QWORD == w ? MDOC_MAX : lookup_raw(p);
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
- if (MDOC_MAX != c) {
- if ( ! mdoc_macro(m, c, line, la, &pos, buf))
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX, 1))
return(0);
- return(append_delims(m, line, &pos, buf));
- }
+ continue;
+ }
- if ( ! mdoc_word_alloc(m, line, la, p))
+ if ( ! mdoc_macro(mdoc, ntok, line, la, &pos, buf))
return(0);
+ return(append_delims(mdoc, line, &pos, buf));
}
return(1);
}
+static int
+phrase_ta(MACRO_PROT_ARGS)
+{
+ struct mdoc_node *n;
+ int la;
+ enum mdoct ntok;
+ enum margserr ac;
+ char *p;
+ /* Make sure we are in a column list or ignore this macro. */
+ n = mdoc->last;
+ while (NULL != n && MDOC_Bl != n->tok)
+ n = n->parent;
+ if (NULL == n || LIST_column != n->norm->Bl.type) {
+ mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
+ line, ppos, "Ta");
+ return(1);
+ }
+
+ /* Advance to the next column. */
+ if ( ! rew_sub(MDOC_BODY, mdoc, MDOC_It, line, ppos))
+ return(0);
+ if ( ! mdoc_body_alloc(mdoc, line, ppos, MDOC_It))
+ return(0);
+
+ for (;;) {
+ la = *pos;
+ ac = mdoc_zargs(mdoc, line, pos, buf, &p);
+
+ if (ARGS_ERROR == ac)
+ return(0);
+ if (ARGS_EOLN == ac)
+ break;
+
+ ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
+
+ if (MDOC_MAX == ntok) {
+ if ( ! dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags))
+ return(0);
+ continue;
+ }
+
+ if ( ! mdoc_macro(mdoc, ntok, line, la, pos, buf))
+ return(0);
+ return(append_delims(mdoc, line, pos, buf));
+ }
+
+ return(1);
+}
git.ckatri.com / mandoc.git / blobdiff