-/* $Id: mdoc_macro.c,v 1.96 2010/11/29 13:02:47 kristaps Exp $ */
+/* $Id: mdoc_macro.c,v 1.165 2015/02/02 04:04:45 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2012-2015 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"
REWIND_NONE,
REWIND_THIS,
REWIND_MORE,
+ REWIND_FORCE,
REWIND_LATER,
REWIND_ERROR
};
-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 obsolete(MACRO_PROT_ARGS);
-static int phrase_ta(MACRO_PROT_ARGS);
-
-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 void blk_full(MACRO_PROT_ARGS);
+static void blk_exp_close(MACRO_PROT_ARGS);
+static void blk_part_exp(MACRO_PROT_ARGS);
+static void blk_part_imp(MACRO_PROT_ARGS);
+static void ctx_synopsis(MACRO_PROT_ARGS);
+static void in_line_eoln(MACRO_PROT_ARGS);
+static void in_line_argn(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 int macro_or_word(MACRO_PROT_ARGS, int);
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 *,
+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 int rew_sub(enum mdoc_type, struct mdoc *,
+static void rew_elem(struct mdoc *, enum mdoct);
+static void rew_last(struct mdoc *, const struct mdoc_node *);
+static void 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 */
- { ctx_synopsis, 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 | MDOC_IGNDELIM }, /* No */
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED | MDOC_IGNDELIM }, /* Ns */
+ { in_line, MDOC_CALLABLE | MDOC_PARSED | 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 */
+ { 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 }, /* 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_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 */
- { in_line_eoln, 0 }, /* Sm */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
- { in_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
+ { 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_argn, 0 }, /* Sm */
+ { 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, 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_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 }, /* Ta */
+ { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
+ { in_line_eoln, MDOC_PROLOGUE }, /* ll */
};
const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
* closing out open [implicit] scopes. Obviously, open explicit scopes
* are errors.
*/
-int
-mdoc_macroend(struct mdoc *m)
+void
+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->last->flags & MDOC_VALID ?
+ mdoc->last->parent : mdoc->last;
for ( ; n; n = n->parent)
- if (MDOC_BLOCK == n->type &&
- MDOC_EXPLICIT & mdoc_macros[n->tok].flags)
- mdoc_nmsg(m, n, MANDOCERR_SCOPEEXIT);
+ if (n->type == MDOC_BLOCK &&
+ mdoc_macros[n->tok].flags & MDOC_EXPLICIT)
+ 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));
-}
-
-
-/*
- * Look up a macro from within a subsequent context.
- */
-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));
+ rew_last(mdoc, mdoc->first);
}
-
/*
- * Lookup a macro following the initial line macro.
+ * Look up the macro at *p called by "from",
+ * or as a line macro if from == MDOC_MAX.
*/
static enum mdoct
-lookup_raw(const char *p)
+lookup(struct mdoc *mdoc, enum mdoct from, int line, int ppos, const char *p)
{
enum mdoct res;
- if (MDOC_MAX == (res = mdoc_hash_find(p)))
- return(MDOC_MAX);
- if (MDOC_CALLABLE & mdoc_macros[res].flags)
- return(res);
+ if (from == MDOC_MAX || mdoc_macros[from].flags & MDOC_PARSED) {
+ res = mdoc_hash_find(p);
+ if (res != MDOC_MAX) {
+ if (mdoc_macros[res].flags & MDOC_CALLABLE)
+ return(res);
+ if (res != MDOC_br && res != MDOC_sp && res != MDOC_ll)
+ mandoc_msg(MANDOCERR_MACRO_CALL,
+ mdoc->parse, line, ppos, p);
+ }
+ }
return(MDOC_MAX);
}
-
-static int
+static void
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) {
- if ( ! mdoc_valid_post(mdoc))
- return(0);
- if ( ! mdoc_action_post(mdoc))
- return(0);
- mdoc->last = mdoc->last->parent;
+ /*
+ * 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;
+ mdoc_valid_post(mdoc);
+ 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));
+ mdoc_valid_post(mdoc);
}
-
/*
* For a block closing macro, return the corresponding opening one.
* Otherwise, return the macro itself.
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:
return(tok);
/* 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,
+rew_dohalt(enum mdoct tok, enum mdoc_type type,
const struct mdoc_node *p)
{
REWIND_ERROR : REWIND_NONE);
/*
- * When starting to rewind, skip plain text
+ * When starting to rewind, skip plain text
* and nodes that have already been rewound.
*/
- if (MDOC_TEXT == p->type || MDOC_VALID & p->flags)
+ if (p->type == MDOC_TEXT || p->flags & (MDOC_VALID | MDOC_BREAK))
return(REWIND_MORE);
/*
/*
* Blocks delimited by our target token get REWIND_MORE.
- * Blocks delimiting our target token get REWIND_NONE.
+ * Blocks delimiting our target token get REWIND_NONE.
*/
switch (tok) {
- case (MDOC_Bl):
+ case MDOC_Bl:
if (MDOC_It == p->tok)
return(REWIND_MORE);
break;
- case (MDOC_It):
+ case MDOC_It:
if (MDOC_BODY == p->type && MDOC_Bl == p->tok)
return(REWIND_NONE);
break;
* This is an incomplete and extremely ugly workaround,
* required to let the OpenBSD tree build.
*/
- case (MDOC_Oo):
+ case MDOC_Oo:
if (MDOC_Op == p->tok)
return(REWIND_MORE);
break;
- case (MDOC_Nm):
+ case MDOC_Nm:
return(REWIND_NONE);
- case (MDOC_Nd):
+ case MDOC_Nd:
/* FALLTHROUGH */
- case (MDOC_Ss):
+ case MDOC_Ss:
if (MDOC_BODY == p->type && MDOC_Sh == p->tok)
return(REWIND_NONE);
/* FALLTHROUGH */
- case (MDOC_Sh):
+ 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);
* 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 == p->type &&
+ MDOC_BLOCK == type || (MDOC_BLOCK == p->type &&
! (MDOC_EXPLICIT & mdoc_macros[tok].flags)))
return(REWIND_MORE);
/*
- * Partial blocks allow delayed rewinding by default.
+ * By default, closing out full blocks
+ * forces closing of broken explicit blocks,
+ * while closing out partial blocks
+ * allows 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.
- */
- return(REWIND_ERROR);
+ return (&blk_full == mdoc_macros[tok].fp ?
+ REWIND_FORCE : REWIND_LATER);
}
-
-static int
+static void
rew_elem(struct mdoc *mdoc, enum mdoct tok)
{
struct mdoc_node *n;
n = n->parent;
assert(MDOC_ELEM == n->type);
assert(tok == n->tok);
-
- return(rew_last(mdoc, n));
+ rew_last(mdoc, n);
}
-
/*
* We are trying to close a block identified by tok,
* but the child block *broken is still open.
*/
static int
make_pending(struct mdoc_node *broken, enum mdoct tok,
- struct mdoc *m, int line, int ppos)
+ struct mdoc *mdoc, int line, int ppos)
{
struct mdoc_node *breaker;
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 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;
/*
* Found the breaker.
- * If another, outer breaker is already pending on
- * the *broken block, we must not clobber the link
+ * 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.
- * 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]".
+ * 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 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]"
+ * 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;
- mdoc_vmsg(m, MANDOCERR_SCOPENEST, line, ppos,
+ breaker->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?
- * XXX Make this non-fatal.
*/
- mdoc_pmsg(m, line, ppos, MANDOCERR_SYNTNOSCOPE);
return(0);
}
-
-static int
-rew_sub(enum mdoc_type t, struct mdoc *m,
+static void
+rew_sub(enum mdoc_type t, struct mdoc *mdoc,
enum mdoct tok, int line, int ppos)
{
- struct mdoc_node *n;
+ struct mdoc_node *n, *to;
- n = m->last;
+ to = NULL;
+ n = mdoc->last;
while (n) {
switch (rew_dohalt(tok, t, n)) {
- case (REWIND_NONE):
- return(1);
- case (REWIND_THIS):
+ 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_MORE):
+ 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):
- return(make_pending(n, tok, m, line, ppos));
- 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;
+ 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;
}
break;
}
-
assert(n);
- if ( ! rew_last(m, n))
- return(0);
+ rew_last(mdoc, n);
/*
* The current block extends an enclosing block.
* Now that the current block ends, close the enclosing block, too.
*/
- while (NULL != (n = n->pending)) {
- if ( ! rew_last(m, n))
- return(0);
- if (MDOC_HEAD == n->type &&
- ! mdoc_body_alloc(m, n->line, n->pos, n->tok))
- return(0);
+ while ((n = n->pending) != NULL) {
+ rew_last(mdoc, n);
+ if (n->type == MDOC_HEAD)
+ mdoc_body_alloc(mdoc, n->line, n->pos, n->tok);
}
-
- return(1);
}
+/*
+ * Allocate a word and check whether it's punctuation or not.
+ * Punctuation consists of those tokens found in mdoc_isdelim().
+ */
+static void
+dword(struct mdoc *mdoc, int line, int col, const char *p,
+ enum mdelim d, int may_append)
+{
-static int
-append_delims(struct mdoc *m, int line, int *pos, char *buf)
+ if (d == DELIM_MAX)
+ d = mdoc_isdelim(p);
+
+ if (may_append &&
+ ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
+ d == DELIM_NONE && mdoc->last->type == MDOC_TEXT &&
+ mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
+ mdoc_word_append(mdoc, p);
+ return;
+ }
+
+ mdoc_word_alloc(mdoc, line, col, p);
+
+ /*
+ * If the word consists of a bare delimiter,
+ * flag the new node accordingly,
+ * unless doing so was vetoed by the invoking macro.
+ * Always clear the veto, it is only valid for one word.
+ */
+
+ if (d == DELIM_OPEN)
+ mdoc->last->flags |= MDOC_DELIMO;
+ else if (d == DELIM_CLOSE &&
+ ! (mdoc->flags & MDOC_NODELIMC) &&
+ mdoc->last->parent->tok != MDOC_Fd)
+ mdoc->last->flags |= MDOC_DELIMC;
+ mdoc->flags &= ~MDOC_NODELIMC;
+}
+
+static void
+append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
{
- int la;
- enum margserr ac;
char *p;
+ int la;
- if ('\0' == buf[*pos])
- return(1);
+ if (buf[*pos] == '\0')
+ return;
for (;;) {
la = *pos;
- ac = mdoc_zargs(m, line, pos, buf, ARGS_NOWARN, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- else if (ARGS_EOLN == ac)
+ if (mdoc_args(mdoc, line, pos, buf, MDOC_MAX, &p) == ARGS_EOLN)
break;
-
- assert(DELIM_NONE != mdoc_isdelim(p));
- if ( ! mdoc_word_alloc(m, line, la, 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 propogate outward to
+ * 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 propogate the double-space.
+ * example, `. ;' shouldn't propagate the double-space.
*/
- if (mandoc_eos(p, strlen(p), 0))
- m->last->flags |= MDOC_EOS;
- }
- return(1);
+ if (mandoc_eos(p, strlen(p)))
+ mdoc->last->flags |= MDOC_EOS;
+ }
}
-
/*
- * Close out block partial/full explicit.
+ * Parse one word.
+ * If it is a macro, call it and return 1.
+ * Otherwise, allocate it and return 0.
*/
static int
+macro_or_word(MACRO_PROT_ARGS, int parsed)
+{
+ char *p;
+ enum mdoct ntok;
+
+ p = buf + ppos;
+ ntok = MDOC_MAX;
+ 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 ||
+ 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)
+ append_delims(mdoc, line, pos, buf);
+ return(1);
+ }
+}
+
+/*
+ * Close out block partial/full explicit.
+ */
+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; /* For searching backwards. */
- int j, lastarg, maxargs, flushed, nl;
+ int flushed, have_it, j, lastarg, maxargs, nl;
enum margserr ac;
enum mdoct atok, ntok;
char *p;
- nl = MDOC_NEWLINE & m->flags;
+ nl = MDOC_NEWLINE & mdoc->flags;
switch (tok) {
- case (MDOC_Ec):
+ case MDOC_Ec:
maxargs = 1;
break;
+ case MDOC_Ek:
+ mdoc->flags &= ~MDOC_KEEP;
+ /* FALLTHROUGH */
default:
maxargs = 0;
break;
* Search backwards for beginnings of blocks,
* both of our own and of pending sub-blocks.
*/
+
+ have_it = 0;
atok = rew_alt(tok);
- body = later = NULL;
- for (n = m->last; n; n = n->parent) {
- if (MDOC_VALID & n->flags)
+ body = endbody = later = NULL;
+ for (n = mdoc->last; n; n = n->parent) {
+ if (n->flags & (MDOC_VALID | MDOC_BREAK))
continue;
/* Remember the start of our own body. */
- if (MDOC_BODY == n->type && atok == n->tok) {
- if (ENDBODY_NOT == n->end)
+
+ if (n->type == MDOC_BODY && atok == n->tok) {
+ if (n->end == ENDBODY_NOT)
body = n;
continue;
}
- if (MDOC_BLOCK != n->type || MDOC_Nm == n->tok)
+ if (n->type != MDOC_BLOCK || n->tok == MDOC_Nm)
+ continue;
+
+ if (n->tok == MDOC_It) {
+ have_it = 1;
continue;
+ }
+
if (atok == n->tok) {
assert(body);
* When there is no pending sub block,
* just proceed to closing out.
*/
- if (NULL == later)
+
+ if (later == NULL ||
+ (tok == MDOC_El && !have_it))
break;
- /*
+ /*
* When there is a pending sub block,
* 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, mdoc, line, ppos);
/*
* Mark the place where the formatting - but not
* the scope - of the current block ends.
*/
- if ( ! mdoc_endbody_alloc(m, line, ppos,
- atok, body, ENDBODY_SPACE))
- return(0);
+
+ mdoc_endbody_alloc(mdoc, line, ppos,
+ atok, body, ENDBODY_SPACE);
+
+ /*
+ * If a block closing macro taking arguments
+ * breaks another block, put the arguments
+ * into the end marker and remeber the
+ * end marker in order to close it out.
+ */
+
+ if (maxargs) {
+ endbody = mdoc->last;
+ mdoc->next = MDOC_NEXT_CHILD;
+ }
break;
}
* 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_CALLABLE & mdoc_macros[n->tok].flags) {
- assert( ! (MDOC_ACTED & n->flags));
+
+ if (later == NULL ||
+ ! (mdoc_macros[later->tok].flags & MDOC_EXPLICIT))
later = n;
- }
}
-
- 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);
-
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
- return(rew_sub(MDOC_BLOCK, m, tok, line, ppos));
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+
+ if ( ! (mdoc_macros[tok].flags & MDOC_PARSED)) {
+ if (buf[*pos] != '\0')
+ mandoc_vmsg(MANDOCERR_ARG_SKIP,
+ mdoc->parse, line, ppos,
+ "%s %s", mdoc_macronames[tok],
+ buf + *pos);
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ return;
}
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
-
- if (NULL == later && maxargs > 0)
- if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok)))
- return(0);
+ if (maxargs && endbody == NULL) {
+ if (n == NULL) {
+ /*
+ * Stray .Ec without previous .Eo:
+ * Break the output line, ignore any arguments.
+ */
+ mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
+ rew_elem(mdoc, MDOC_br);
+ } else
+ mdoc_tail_alloc(mdoc, line, ppos, atok);
+ }
- for (flushed = j = 0; ; j++) {
+ flushed = n == NULL;
+ for (j = 0; ; j++) {
lastarg = *pos;
if (j == maxargs && ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
+ if (endbody == NULL)
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ else
+ rew_last(mdoc, endbody);
flushed = 1;
}
- ac = mdoc_args(m, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = ac == ARGS_QWORD ? MDOC_MAX :
+ lookup(mdoc, tok, line, lastarg, p);
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, lastarg, p))
- return(0);
+ if (ntok == MDOC_MAX) {
+ dword(mdoc, line, lastarg, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
continue;
}
if ( ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
+ if (endbody == NULL)
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ else
+ rew_last(mdoc, endbody);
flushed = 1;
}
- if ( ! mdoc_macro(m, ntok, line, lastarg, pos, buf))
- return(0);
+ mdoc->flags &= ~MDOC_NEWLINE;
+ mdoc_macro(mdoc, ntok, line, lastarg, pos, buf);
break;
}
- if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
-
- if ( ! nl)
- return(1);
- return(append_delims(m, line, pos, buf));
+ if ( ! flushed) {
+ if (endbody == NULL)
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ else
+ rew_last(mdoc, endbody);
+ }
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
}
-
-static int
+static void
in_line(MACRO_PROT_ARGS)
{
- int la, scope, cnt, nc, nl;
- enum margverr av;
+ int la, scope, cnt, firstarg, mayopen, nc, nl;
enum mdoct ntok;
enum margserr ac;
enum mdelim d;
struct mdoc_arg *arg;
char *p;
- nl = MDOC_NEWLINE & m->flags;
+ 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_Mt):
+ case MDOC_Mt:
/* FALLTHROUGH */
- case (MDOC_Nm):
+ case MDOC_Nm:
/* FALLTHROUGH */
- case (MDOC_Pa):
+ case MDOC_Pa:
nc = 1;
break;
default:
break;
}
- for (arg = NULL;; ) {
- la = *pos;
- av = mdoc_argv(m, line, tok, &arg, pos, buf);
-
- if (ARGV_WORD == av) {
- *pos = la;
- break;
- }
- if (ARGV_EOLN == av)
- break;
- if (ARGV_ARG == av)
- continue;
-
- mdoc_argv_free(arg);
- return(0);
- }
+ mdoc_argv(mdoc, line, tok, &arg, pos, buf);
+ d = DELIM_NONE;
+ firstarg = 1;
+ mayopen = 1;
for (cnt = scope = 0;; ) {
la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
+ /*
+ * At the end of a macro line,
+ * opening delimiters do not suppress spacing.
+ */
+
+ if (ac == ARGS_EOLN) {
+ if (d == DELIM_OPEN)
+ mdoc->last->flags &= ~MDOC_DELIMO;
break;
- if (ARGS_PUNCT == ac)
+ }
+
+ /*
+ * The rest of the macro line is only punctuation,
+ * to be handled by append_delims().
+ * If there were no other arguments,
+ * do not allow the first one to suppress spacing,
+ * even if it turns out to be a closing one.
+ */
+
+ if (ac == ARGS_PUNCT) {
+ if (cnt == 0 && nc == 0)
+ mdoc->flags |= MDOC_NODELIMC;
break;
+ }
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = (ac == ARGS_QWORD || (tok == MDOC_Fn && !cnt)) ?
+ MDOC_MAX : lookup(mdoc, tok, line, la, 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 != ntok) {
- if (scope && ! rew_elem(m, tok))
- return(0);
- if (nc && 0 == cnt) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
- if ( ! rew_last(m, m->last))
- return(0);
- } else if ( ! nc && 0 == cnt) {
+ if (ntok != MDOC_MAX) {
+ if (scope)
+ rew_elem(mdoc, tok);
+ if (nc && ! cnt) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ rew_last(mdoc, mdoc->last);
+ } else if ( ! nc && ! cnt) {
mdoc_argv_free(arg);
- if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY))
- return(0);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ mdoc->parse, line, ppos,
+ mdoc_macronames[tok]);
}
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- if ( ! nl)
- return(1);
- return(append_delims(m, line, pos, buf));
- }
-
- /*
+ mdoc_macro(mdoc, ntok, line, la, pos, buf);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ return;
+ }
+
+ /*
* 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 == ac ? DELIM_NONE : mdoc_isdelim(p);
+ d = ac == ARGS_QWORD ? 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
+ * has been emitted, no scope is open, and we're
* allowed to have an empty element, then start
- * a new scope. `Ar', `Fl', and `Li', only do
- * this once per invocation. There may be more
- * of these (all of them?).
+ * a new scope.
*/
- if (0 == cnt && (nc || MDOC_Li == tok) &&
- DELIM_CLOSE == d && ! scope) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
- if (MDOC_Ar == tok || MDOC_Li == tok ||
- MDOC_Fl == tok)
- cnt++;
+ if ((d == DELIM_CLOSE ||
+ (d == DELIM_MIDDLE && tok == MDOC_Fl)) &&
+ !cnt && !scope && nc && mayopen) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
scope = 1;
+ cnt++;
+ if (tok == MDOC_Nm)
+ mayopen = 0;
}
/*
* Close out our scope, if one is open, before
* any punctuation.
*/
- if (scope && ! rew_elem(m, tok))
- return(0);
+ if (scope)
+ rew_elem(mdoc, tok);
scope = 0;
- } else if ( ! scope) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
+ if (tok == MDOC_Fn)
+ mayopen = 0;
+ } else if (mayopen && !scope) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
scope = 1;
+ cnt++;
}
- if (DELIM_NONE == d)
- cnt++;
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ dword(mdoc, line, la, p, d,
+ MDOC_JOIN & mdoc_macros[tok].flags);
+
+ /*
+ * If the first argument is a closing delimiter,
+ * do not suppress spacing before it.
+ */
+
+ if (firstarg && d == DELIM_CLOSE && !nc)
+ mdoc->last->flags &= ~MDOC_DELIMC;
+ firstarg = 0;
/*
* `Fl' macros have their scope re-opened with each new
* word so that the `-' can be added to each one without
* having to parse out spaces.
*/
- if (scope && MDOC_Fl == tok) {
- if ( ! rew_elem(m, tok))
- return(0);
+ if (scope && tok == MDOC_Fl) {
+ rew_elem(mdoc, tok);
scope = 0;
}
}
- if (scope && ! rew_elem(m, tok))
- return(0);
+ if (scope)
+ rew_elem(mdoc, tok);
/*
* If no elements have been collected and we're allowed to have
* raise a warning.
*/
- if (nc && 0 == cnt) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
- if ( ! rew_last(m, m->last))
- return(0);
- } else if ( ! nc && 0 == cnt) {
- mdoc_argv_free(arg);
- if ( ! mdoc_pmsg(m, line, ppos, MANDOCERR_MACROEMPTY))
- return(0);
+ if ( ! cnt) {
+ if (nc) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ rew_last(mdoc, mdoc->last);
+ } else {
+ mdoc_argv_free(arg);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
+ line, ppos, mdoc_macronames[tok]);
+ }
}
-
- if ( ! nl)
- return(1);
- return(append_delims(m, line, pos, buf));
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
}
-
-static int
+static void
blk_full(MACRO_PROT_ARGS)
{
- int la, nl;
+ int la, nl, parsed;
struct mdoc_arg *arg;
- struct mdoc_node *head; /* save of head macro */
- struct mdoc_node *body; /* save of body macro */
+ 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;
- enum mdoc_type mtt;
- enum mdoct ntok;
enum margserr ac, lac;
- enum margverr av;
char *p;
- nl = MDOC_NEWLINE & m->flags;
+ 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->type == MDOC_BLOCK &&
+ ! (n->flags & (MDOC_VALID | MDOC_BREAK)))
+ break;
+ if (n == NULL) {
+ mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
+ line, ppos, "It %s", buf + *pos);
+ mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
+ rew_elem(mdoc, MDOC_br);
+ return;
+ }
+ }
/* Close out prior implicit scope. */
- if ( ! (MDOC_EXPLICIT & mdoc_macros[tok].flags)) {
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
+ 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 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
* regular child nodes.
*/
- for (arg = NULL;; ) {
- la = *pos;
- av = mdoc_argv(m, line, tok, &arg, pos, buf);
-
- if (ARGV_WORD == av) {
- *pos = la;
- break;
- }
-
- if (ARGV_EOLN == av)
- break;
- if (ARGV_ARG == av)
- continue;
-
- mdoc_argv_free(arg);
- return(0);
- }
+ mdoc_argv(mdoc, line, tok, &arg, pos, buf);
+ blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
+ head = body = NULL;
- if ( ! mdoc_block_alloc(m, line, ppos, tok, arg))
- return(0);
+ /*
+ * Exception: Heads of `It' macros in `-diag' lists are not
+ * parsed, even though `It' macros in general are parsed.
+ */
- head = body = NULL;
+ parsed = tok != MDOC_It ||
+ mdoc->last->parent->tok != MDOC_Bl ||
+ mdoc->last->parent->norm->Bl.type != LIST_diag;
/*
* 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))
- return(0);
- head = m->last;
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->last;
- }
+ if (tok == MDOC_Nd) {
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, head);
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
+ }
- ac = ARGS_ERROR;
+ if (tok == MDOC_Bk)
+ mdoc->flags |= MDOC_KEEP;
- for ( ; ; ) {
+ ac = ARGS_PEND;
+ for (;;) {
la = *pos;
- /* Initialise last-phrase-type with ARGS_PEND. */
- lac = ARGS_ERROR == ac ? ARGS_PEND : ac;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
-
- if (ARGS_PUNCT == ac)
+ lac = ac;
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_PUNCT)
break;
-
- if (ARGS_ERROR == ac)
- return(0);
-
- if (ARGS_EOLN == ac) {
- if (ARGS_PPHRASE != lac && ARGS_PHRASE != lac)
+ if (ac == ARGS_EOLN) {
+ if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
break;
/*
* This is necessary: if the last token on a
* reopen our scope if the last parse was a
* phrase or partial phrase.
*/
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->last;
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
break;
}
- /*
+ /*
* Emit leading punctuation (i.e., punctuation before
* the MDOC_HEAD) for non-phrase types.
*/
- if (NULL == head &&
- ARGS_PEND != ac &&
- ARGS_PHRASE != ac &&
- ARGS_PPHRASE != ac &&
- ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if (head == NULL &&
+ ac != ARGS_PEND &&
+ ac != ARGS_PHRASE &&
+ ac != ARGS_PPHRASE &&
+ ac != ARGS_QWORD &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
}
/* Open a head if one hasn't been opened. */
- if (NULL == head) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- head = m->last;
- }
+ if (head == NULL)
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
+
+ if (ac == ARGS_PHRASE ||
+ ac == ARGS_PEND ||
+ ac == ARGS_PPHRASE) {
- 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, m, tok, line, ppos))
- return(0);
-
- /* Then allocate our body context. */
-
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->last;
+ rew_sub(body ? MDOC_BODY : MDOC_HEAD,
+ mdoc, tok, line, ppos);
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
/*
* Process phrases: set whether we're in a
* then call down into the phrase parser.
*/
- if (ARGS_PPHRASE == ac)
- m->flags |= MDOC_PPHRASE;
- if (ARGS_PEND == ac && ARGS_PPHRASE == lac)
- m->flags |= MDOC_PPHRASE;
-
- if ( ! phrase(m, line, la, buf))
- return(0);
-
- m->flags &= ~MDOC_PPHRASE;
+ if (ac == ARGS_PPHRASE)
+ mdoc->flags |= MDOC_PPHRASE;
+ if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
+ mdoc->flags |= MDOC_PPHRASE;
+ parse_rest(mdoc, MDOC_MAX, line, &la, buf);
+ mdoc->flags &= ~MDOC_PPHRASE;
continue;
}
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
-
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- continue;
- }
-
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- break;
- }
-
- if (NULL == head) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- head = m->last;
+ if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
+ break;
}
-
- if (nl && ! append_delims(m, line, pos, buf))
- return(0);
- /* If we've already opened our body, exit now. */
-
- if (NULL != body)
+ if (blk->flags & MDOC_VALID)
+ return;
+ if (head == NULL)
+ head = mdoc_head_alloc(mdoc, line, ppos, tok);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ if (body != NULL)
goto out;
/*
* 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 (n->type == MDOC_BLOCK &&
+ mdoc_macros[n->tok].flags & MDOC_EXPLICIT &&
+ ! (n->flags & MDOC_VALID)) {
n->pending = head;
- return(1);
+ return;
}
}
/* Close out scopes to remain in a consistent state. */
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
-
+ rew_sub(MDOC_HEAD, mdoc, tok, line, ppos);
+ mdoc_body_alloc(mdoc, line, ppos, tok);
out:
- if ( ! (MDOC_FREECOL & m->flags))
- return(1);
-
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
-
- m->flags &= ~MDOC_FREECOL;
- return(1);
+ if (mdoc->flags & MDOC_FREECOL) {
+ rew_sub(MDOC_BODY, mdoc, tok, line, ppos);
+ rew_sub(MDOC_BLOCK, mdoc, tok, line, ppos);
+ mdoc->flags &= ~MDOC_FREECOL;
+ }
}
-
-static int
+static void
blk_part_imp(MACRO_PROT_ARGS)
{
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 & m->flags;
+ nl = MDOC_NEWLINE & mdoc->flags;
/*
* A macro that spans to the end of the line. This is generally
* or more closing punctuation nodes.
*/
- if ( ! mdoc_block_alloc(m, line, ppos, tok, NULL))
- return(0);
-
- blk = m->last;
-
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
- return(0);
+ blk = mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
+ rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
/*
* Open the body scope "on-demand", that is, after we've
for (body = NULL; ; ) {
la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
- break;
- if (ARGS_PUNCT == ac)
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_EOLN || ac == ARGS_PUNCT)
break;
- if (NULL == body && ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if (body == NULL && ac != ARGS_QWORD &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
- }
-
- if (NULL == body) {
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->last;
}
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
-
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- continue;
- }
+ if (body == NULL)
+ body = mdoc_body_alloc(mdoc, line, ppos, tok);
- if ( ! mdoc_macro(m, 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))
- return(0);
- body = m->last;
- }
-
- for (n = body->child; n && n->next; n = n->next)
- /* Do nothing. */ ;
-
- /*
- * End of sentence spacing: if the last node is a text node and
- * has a trailing period, then mark it as being end-of-sentence.
- */
-
- if (n && MDOC_TEXT == n->type && n->string)
- if (mandoc_eos(n->string, strlen(n->string), 1))
- n->flags |= MDOC_EOS;
-
- /* Up-propogate the end-of-space flag. */
-
- if (n && (MDOC_EOS & n->flags)) {
- body->flags |= MDOC_EOS;
- body->parent->flags |= MDOC_EOS;
+ if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ break;
}
+ if (body == NULL)
+ body = mdoc_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.
*/
- for (n = m->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)) {
- assert( ! (MDOC_ACTED & n->flags));
- if ( ! make_pending(n, tok, m, line, ppos))
- return(0);
- if ( ! mdoc_endbody_alloc(m, line, ppos,
- tok, body, ENDBODY_NOSPACE))
- return(0);
- return(1);
+
+ 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);
+ rew_last(mdoc, blk);
- /*
- * 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.
+ /*
+ * The current block extends an enclosing block.
+ * Now that the current block ends, close the enclosing block, too.
*/
- if (n != body && ! mdoc_vmsg(m, MANDOCERR_SCOPENEST,
- line, ppos, "%s broken", mdoc_macronames[tok]))
- return(0);
- if (n && ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
-
- /* Standard appending of delimiters. */
-
- if (nl && ! append_delims(m, line, pos, buf))
- return(0);
-
- /* Rewind scope, if applicable. */
+ while ((blk = blk->pending) != NULL) {
+ rew_last(mdoc, blk);
+ if (blk->type == MDOC_HEAD)
+ mdoc_body_alloc(mdoc, blk->line, blk->pos, blk->tok);
+ }
- if (n && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
+ /* Move trailing .Ns out of scope. */
- return(1);
+ for (n = body->child; n && n->next; n = n->next)
+ /* Do nothing. */ ;
+ if (n && n->tok == MDOC_Ns)
+ mdoc_node_relink(mdoc, n);
}
-
-static int
+static void
blk_part_exp(MACRO_PROT_ARGS)
{
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 & m->flags;
+ 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);
-
- for (head = body = NULL; ; ) {
+ mdoc_block_alloc(mdoc, line, ppos, tok, NULL);
+ head = NULL;
+ for (;;) {
la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
break;
/* Flush out leading punctuation. */
- if (NULL == head && ARGS_QWORD != ac &&
- DELIM_OPEN == mdoc_isdelim(p)) {
- assert(NULL == body);
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if (head == NULL && ac != ARGS_QWORD &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
continue;
- }
-
- if (NULL == head) {
- assert(NULL == body);
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- head = m->last;
}
- /*
- * `Eo' gobbles any data into the head, but most other
- * macros just immediately close out and begin the body.
- */
-
- if (NULL == body) {
- assert(head);
- /* No check whether it's a macro! */
- if (MDOC_Eo == tok)
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
-
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->last;
-
- if (MDOC_Eo == tok)
+ if (head == NULL) {
+ head = mdoc_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);
+ if (tok == MDOC_Eo)
continue;
}
- assert(NULL != head && NULL != body);
-
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
-
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- continue;
- }
-
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- break;
+ if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ break;
}
/* Clean-up to leave in a consistent state. */
- if (NULL == head) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- head = m->last;
- }
-
- if (NULL == body) {
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->last;
+ if (head == NULL) {
+ rew_last(mdoc, mdoc_head_alloc(mdoc, line, ppos, tok));
+ mdoc_body_alloc(mdoc, line, ppos, tok);
}
-
- /* Standard appending of delimiters. */
-
- if ( ! nl)
- return(1);
- return(append_delims(m, line, pos, buf));
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
}
-
-/* ARGSUSED */
-static int
+static void
in_line_argn(MACRO_PROT_ARGS)
{
int la, flushed, j, maxargs, nl;
enum margserr ac;
- enum margverr av;
struct mdoc_arg *arg;
char *p;
enum mdoct ntok;
- nl = MDOC_NEWLINE & m->flags;
+ nl = mdoc->flags & MDOC_NEWLINE;
/*
* 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_Ns:
/* FALLTHROUGH */
- 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:
break;
}
- for (arg = NULL; ; ) {
- la = *pos;
- av = mdoc_argv(m, line, tok, &arg, pos, buf);
-
- if (ARGV_WORD == av) {
- *pos = la;
- break;
- }
-
- if (ARGV_EOLN == av)
- break;
- if (ARGV_ARG == av)
- continue;
+ mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- mdoc_argv_free(arg);
- return(0);
- }
-
- for (flushed = j = 0; ; ) {
+ p = NULL;
+ flushed = j = 0;
+ for (;;) {
la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
+ if (j < 2 && tok == MDOC_Pf)
+ mandoc_vmsg(MANDOCERR_PF_SKIP,
+ mdoc->parse, line, ppos, "Pf %s",
+ p == NULL ? "at eol" : p);
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))
- return(0);
+ 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 (0 == j)
- if ( ! mdoc_elem_alloc(m, line, la, tok, arg))
- return(0);
+ } else if (j == 0)
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
if (j == maxargs && ! flushed) {
- if ( ! rew_elem(m, tok))
- return(0);
+ rew_elem(mdoc, tok);
flushed = 1;
}
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = (ac == ARGS_QWORD || (tok == MDOC_Pf && j == 0)) ?
+ MDOC_MAX : lookup(mdoc, tok, line, la, p);
- if (MDOC_MAX != ntok) {
- if ( ! flushed && ! rew_elem(m, tok))
- return(0);
+ if (ntok != MDOC_MAX) {
+ if ( ! flushed)
+ rew_elem(mdoc, tok);
flushed = 1;
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
+ mdoc_macro(mdoc, ntok, line, la, pos, buf);
j++;
break;
}
- if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != ac &&
- ! flushed &&
- DELIM_NONE != mdoc_isdelim(p)) {
- if ( ! rew_elem(m, tok))
- return(0);
+ if ( ! (mdoc_macros[tok].flags & MDOC_IGNDELIM) &&
+ ac != ARGS_QWORD && ! flushed &&
+ mdoc_isdelim(p) != DELIM_NONE) {
+ rew_elem(mdoc, tok);
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))
- return(0);
+ dword(mdoc, line, la, p, DELIM_MAX,
+ MDOC_JOIN & mdoc_macros[tok].flags);
j++;
}
- if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg))
- return(0);
-
- /* Close out in a consistent state. */
-
- if ( ! flushed && ! rew_elem(m, tok))
- return(0);
- if ( ! nl)
- return(1);
- return(append_delims(m, line, pos, buf));
+ 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 ( ! flushed)
+ rew_elem(mdoc, tok);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
}
-
-static int
+static void
in_line_eoln(MACRO_PROT_ARGS)
{
- 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, m, MDOC_Nm, line, ppos);
-
- /* Parse macro arguments. */
-
- for (arg = NULL; ; ) {
- la = *pos;
- av = mdoc_argv(m, line, tok, &arg, pos, buf);
-
- if (ARGV_WORD == av) {
- *pos = la;
- break;
- }
- if (ARGV_EOLN == av)
- break;
- if (ARGV_ARG == av)
- continue;
-
- mdoc_argv_free(arg);
- return(0);
- }
+ rew_sub(MDOC_BLOCK, mdoc, MDOC_Nm, line, ppos);
- /* Open element scope. */
-
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
+ mdoc_argv(mdoc, line, tok, &arg, pos, buf);
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ if (parse_rest(mdoc, tok, line, pos, buf))
+ return;
+ rew_elem(mdoc, tok);
+}
- /* Parse argument terms. */
+/*
+ * The simplest argument parser available: Parse the remaining
+ * words until the end of the phrase or line and return 0
+ * 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)
+{
+ int la;
for (;;) {
la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
- break;
-
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
-
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- continue;
- }
-
- if ( ! rew_elem(m, tok))
+ if (mdoc_args(mdoc, line, pos, buf, tok, NULL) == ARGS_EOLN)
return(0);
- return(mdoc_macro(m, ntok, line, la, pos, buf));
+ if (macro_or_word(mdoc, tok, line, la, pos, buf, 1))
+ return(1);
}
-
- /* Close out (no delimiters). */
-
- return(rew_elem(m, tok));
}
-
-/* ARGSUSED */
-static int
+static void
ctx_synopsis(MACRO_PROT_ARGS)
-{
- int nl;
-
- nl = MDOC_NEWLINE & m->flags;
-
- /* If we're not in the SYNOPSIS, go straight to in-line. */
- if ( ! (MDOC_SYNOPSIS & m->flags))
- return(in_line(m, tok, line, ppos, pos, buf));
-
- /* If we're a nested call, same place. */
- if ( ! nl)
- return(in_line(m, 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.
- */
- if (MDOC_Nm == tok)
- return(blk_full(m, tok, line, ppos, pos, buf));
- assert(MDOC_Vt == tok);
- return(blk_part_imp(m, tok, line, ppos, pos, buf));
-}
-
-
-/* ARGSUSED */
-static int
-obsolete(MACRO_PROT_ARGS)
{
- return(mdoc_pmsg(m, line, ppos, MANDOCERR_MACROOBS));
+ if (~mdoc->flags & (MDOC_SYNOPSIS | MDOC_NEWLINE))
+ in_line(mdoc, tok, line, ppos, pos, buf);
+ else if (tok == MDOC_Nm)
+ blk_full(mdoc, tok, line, ppos, pos, buf);
+ else {
+ assert(tok == MDOC_Vt);
+ 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)
-{
- int la, pos;
- enum margserr ac;
- enum mdoct ntok;
- char *p;
-
- for (pos = ppos; ; ) {
- la = pos;
-
- ac = mdoc_zargs(m, line, &pos, buf, 0, &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 ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- continue;
- }
-
- if ( ! mdoc_macro(m, ntok, line, la, &pos, buf))
- return(0);
- return(append_delims(m, line, &pos, buf));
- }
-
- return(1);
-}
-
-
-/* ARGSUSED */
-static int
+static void
phrase_ta(MACRO_PROT_ARGS)
{
- int la;
- enum mdoct ntok;
- enum margserr ac;
- char *p;
-
- /*
- * FIXME: this is overly restrictive: if the `Ta' is unexpected,
- * it should simply error out with ARGSLOST.
- */
-
- if ( ! rew_sub(MDOC_BODY, m, MDOC_It, line, ppos))
- return(0);
- if ( ! mdoc_body_alloc(m, line, ppos, MDOC_It))
- return(0);
-
- for (;;) {
- la = *pos;
- ac = mdoc_zargs(m, line, pos, buf, 0, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
- break;
+ struct mdoc_node *n;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup_raw(p);
+ /* Make sure we are in a column list or ignore this macro. */
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- continue;
- }
-
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- return(append_delims(m, line, pos, buf));
+ n = mdoc->last;
+ while (n != NULL &&
+ (n->tok != MDOC_Bl || n->flags & (MDOC_VALID | MDOC_BREAK)))
+ n = n->parent;
+ if (n == NULL || n->norm->Bl.type != LIST_column) {
+ mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
+ line, ppos, "Ta");
+ return;
}
- return(1);
+ /* 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);
}
git.ckatri.com / mandoc.git / blobdiff