-/* $Id: mdoc_macro.c,v 1.58 2010/05/08 07:30:19 kristaps Exp $ */
+/* $Id: mdoc_macro.c,v 1.234 2020/01/19 18:02:00 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2012-2020 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
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* 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 "mandoc.h"
+#include "roff.h"
+#include "mdoc.h"
+#include "libmandoc.h"
+#include "roff_int.h"
#include "libmdoc.h"
-enum rew {
- REWIND_REWIND,
- REWIND_NOHALT,
- REWIND_HALT
-};
-
-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 append_delims(struct mdoc *,
+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 append_delims(struct roff_man *, int, int *, char *);
+static void dword(struct roff_man *, int, int, const char *,
+ enum mdelim, int);
+static int find_pending(struct roff_man *, enum roff_tok,
+ int, int, struct roff_node *);
+static int lookup(struct roff_man *, int, int, int, const char *);
+static int macro_or_word(MACRO_PROT_ARGS, char *, int);
+static void break_intermediate(struct roff_node *,
+ struct roff_node *);
+static int parse_rest(struct roff_man *, enum roff_tok,
int, int *, char *);
-static enum mdoct lookup(enum mdoct, const char *);
-static enum mdoct lookup_raw(const char *);
-static int phrase(struct mdoc *, int, int, char *);
-static enum mdoct rew_alt(enum mdoct);
-static int rew_dobreak(enum mdoct,
- const struct mdoc_node *);
-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);
-static int swarn(struct mdoc *, enum mdoc_type, int,
- int, const struct mdoc_node *);
-
-const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
- { in_line_argn, MDOC_CALLABLE | MDOC_PARSED }, /* Ap */
- { in_line_eoln, MDOC_PROLOGUE }, /* Dd */
+static enum roff_tok rew_alt(enum roff_tok);
+static void rew_elem(struct roff_man *, enum roff_tok);
+static void rew_last(struct roff_man *, const struct roff_node *);
+static void rew_pending(struct roff_man *,
+ const struct roff_node *);
+
+static const struct mdoc_macro mdoc_macros[MDOC_MAX - MDOC_Dd] = {
+ { in_line_eoln, MDOC_PROLOGUE | MDOC_JOIN }, /* 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_argn, MDOC_CALLABLE | MDOC_PARSED |
+ MDOC_IGNDELIM | MDOC_JOIN }, /* Ap */
{ 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, 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_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, 0 }, /* br */
- { in_line_eoln, 0 }, /* sp */
+ { in_line_eoln, MDOC_JOIN }, /* %Q */
{ in_line_eoln, 0 }, /* %U */
+ { phrase_ta, MDOC_CALLABLE | MDOC_PARSED | MDOC_JOIN }, /* Ta */
+ { in_line_eoln, 0 }, /* Tg */
};
-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 struct mdoc_macro *
+mdoc_macro(enum roff_tok tok)
{
- 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));
+ assert(tok >= MDOC_Dd && tok < MDOC_MAX);
+ return mdoc_macros + (tok - MDOC_Dd);
}
-
/*
* 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)
+void
+mdoc_endparse(struct roff_man *mdoc)
{
- struct mdoc_node *n;
+ struct roff_node *n;
/* Scan for open explicit scopes. */
- n = MDOC_VALID & m->last->flags ? m->last->parent : m->last;
+ n = mdoc->last->flags & NODE_VALID ?
+ 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 (n->type == ROFFT_BLOCK &&
+ mdoc_macro(n->tok)->flags & MDOC_EXPLICIT)
+ mandoc_msg(MANDOCERR_BLK_NOEND,
+ n->line, n->pos, "%s", roff_name[n->tok]);
/* Rewind to the first. */
- return(rew_last(m, m->first));
+ rew_last(mdoc, mdoc->meta.first);
}
-
/*
- * Look up a macro from within a subsequent context.
+ * Look up the macro at *p called by "from",
+ * or as a line macro if from == TOKEN_NONE.
*/
-static enum mdoct
-lookup(enum mdoct from, const char *p)
+static int
+lookup(struct roff_man *mdoc, int from, int line, int ppos, const char *p)
{
- /* FIXME: make -diag lists be un-PARSED. */
+ enum roff_tok res;
- if ( ! (MDOC_PARSED & mdoc_macros[from].flags))
- return(MDOC_MAX);
- return(lookup_raw(p));
+ if (mdoc->flags & MDOC_PHRASEQF) {
+ mdoc->flags &= ~MDOC_PHRASEQF;
+ return TOKEN_NONE;
+ }
+ if (from == TOKEN_NONE || mdoc_macro(from)->flags & MDOC_PARSED) {
+ res = roffhash_find(mdoc->mdocmac, p, 0);
+ if (res != TOKEN_NONE) {
+ if (mdoc_macro(res)->flags & MDOC_CALLABLE)
+ return res;
+ mandoc_msg(MANDOCERR_MACRO_CALL, line, ppos, "%s", p);
+ }
+ }
+ return TOKEN_NONE;
}
-
/*
- * Lookup a macro following the initial line macro.
+ * Rewind up to and including a specific node.
*/
-static enum mdoct
-lookup_raw(const char *p)
+static void
+rew_last(struct roff_man *mdoc, const struct roff_node *to)
{
- enum mdoct res;
- if (MDOC_MAX == (res = mdoc_hash_find(p)))
- return(MDOC_MAX);
- if (MDOC_CALLABLE & mdoc_macros[res].flags)
- return(res);
- return(MDOC_MAX);
-}
-
-
-static int
-rew_last(struct mdoc *mdoc, const struct mdoc_node *to)
-{
-
- assert(to);
- mdoc->next = MDOC_NEXT_SIBLING;
+ if (to->flags & NODE_VALID)
+ return;
- /* LINTED */
while (mdoc->last != to) {
- if ( ! mdoc_valid_post(mdoc))
- return(0);
- if ( ! mdoc_action_post(mdoc))
- return(0);
+ mdoc_state(mdoc, mdoc->last);
+ mdoc->last->flags |= NODE_VALID | NODE_ENDED;
mdoc->last = mdoc->last->parent;
- assert(mdoc->last);
}
-
- if ( ! mdoc_valid_post(mdoc))
- return(0);
- return(mdoc_action_post(mdoc));
+ mdoc_state(mdoc, mdoc->last);
+ mdoc->last->flags |= NODE_VALID | NODE_ENDED;
+ mdoc->next = ROFF_NEXT_SIBLING;
}
-
/*
- * Return the opening macro of a closing one, e.g., `Ec' has `Eo' as its
- * matching pair.
+ * Rewind up to a specific block, including all blocks that broke it.
*/
-static enum mdoct
-rew_alt(enum mdoct tok)
+static void
+rew_pending(struct roff_man *mdoc, const struct roff_node *n)
{
- switch (tok) {
- case (MDOC_Ac):
- return(MDOC_Ao);
- case (MDOC_Bc):
- return(MDOC_Bo);
- case (MDOC_Brc):
- return(MDOC_Bro);
- case (MDOC_Dc):
- return(MDOC_Do);
- case (MDOC_Ec):
- return(MDOC_Eo);
- case (MDOC_Ed):
- return(MDOC_Bd);
- case (MDOC_Ef):
- return(MDOC_Bf);
- case (MDOC_Ek):
- return(MDOC_Bk);
- case (MDOC_El):
- return(MDOC_Bl);
- case (MDOC_Fc):
- return(MDOC_Fo);
- case (MDOC_Oc):
- return(MDOC_Oo);
- case (MDOC_Pc):
- return(MDOC_Po);
- case (MDOC_Qc):
- return(MDOC_Qo);
- case (MDOC_Re):
- return(MDOC_Rs);
- case (MDOC_Sc):
- return(MDOC_So);
- case (MDOC_Xc):
- return(MDOC_Xo);
- default:
- break;
+
+ for (;;) {
+ rew_last(mdoc, n);
+
+ if (mdoc->last == n) {
+ switch (n->type) {
+ case ROFFT_HEAD:
+ roff_body_alloc(mdoc, n->line, n->pos,
+ n->tok);
+ if (n->tok == MDOC_Ss)
+ mdoc->flags &= ~ROFF_NONOFILL;
+ break;
+ case ROFFT_BLOCK:
+ break;
+ default:
+ return;
+ }
+ if ( ! (n->flags & NODE_BROKEN))
+ return;
+ } else
+ n = mdoc->last;
+
+ for (;;) {
+ if ((n = n->parent) == NULL)
+ return;
+
+ if (n->type == ROFFT_BLOCK ||
+ n->type == ROFFT_HEAD) {
+ if (n->flags & NODE_ENDED)
+ break;
+ else
+ return;
+ }
+ }
}
- 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.
+/*
+ * For a block closing macro, return the corresponding opening one.
+ * Otherwise, return the macro itself.
*/
-static enum rew
-rew_dohalt(enum mdoct tok, enum mdoc_type type,
- const struct mdoc_node *p)
+static enum roff_tok
+rew_alt(enum roff_tok tok)
{
-
- 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;
+ case MDOC_Ac:
+ return MDOC_Ao;
+ case MDOC_Bc:
+ return MDOC_Bo;
+ case MDOC_Brc:
+ return MDOC_Bro;
+ case MDOC_Dc:
+ return MDOC_Do;
+ case MDOC_Ec:
+ return MDOC_Eo;
+ case MDOC_Ed:
+ return MDOC_Bd;
+ case MDOC_Ef:
+ return MDOC_Bf;
+ case MDOC_Ek:
+ return MDOC_Bk;
+ case MDOC_El:
+ return MDOC_Bl;
+ case MDOC_Fc:
+ return MDOC_Fo;
+ case MDOC_Oc:
+ return MDOC_Oo;
+ case MDOC_Pc:
+ return MDOC_Po;
+ case MDOC_Qc:
+ return MDOC_Qo;
+ case MDOC_Re:
+ return MDOC_Rs;
+ case MDOC_Sc:
+ return MDOC_So;
+ case MDOC_Xc:
+ return MDOC_Xo;
default:
- abort();
- /* NOTREACHED */
+ return tok;
}
+}
- return(REWIND_NOHALT);
+static void
+rew_elem(struct roff_man *mdoc, enum roff_tok tok)
+{
+ struct roff_node *n;
+
+ n = mdoc->last;
+ if (n->type != ROFFT_ELEM)
+ n = n->parent;
+ assert(n->type == ROFFT_ELEM);
+ assert(tok == n->tok);
+ rew_last(mdoc, n);
}
+static void
+break_intermediate(struct roff_node *n, struct roff_node *breaker)
+{
+ if (n != breaker &&
+ n->type != ROFFT_BLOCK && n->type != ROFFT_HEAD &&
+ (n->type != ROFFT_BODY || n->end != ENDBODY_NOT))
+ n = n->parent;
+ while (n != breaker) {
+ if ( ! (n->flags & NODE_VALID))
+ n->flags |= NODE_BROKEN;
+ n = n->parent;
+ }
+}
/*
- * See if we can break an encountered scope (the rew_dohalt has returned
- * REWIND_NOHALT).
+ * If there is an open sub-block of the target requiring
+ * explicit close-out, postpone closing out the target until
+ * the rew_pending() call closing out the sub-block.
*/
static int
-rew_dobreak(enum mdoct tok, const struct mdoc_node *p)
+find_pending(struct roff_man *mdoc, enum roff_tok tok, int line, int ppos,
+ struct roff_node *target)
{
+ struct roff_node *n;
+ int irc;
- assert(MDOC_ROOT != p->type);
- if (MDOC_ELEM == p->type)
- return(1);
- if (MDOC_TEXT == p->type)
- return(1);
- if (MDOC_VALID & p->flags)
- return(1);
+ if (target->flags & NODE_VALID)
+ return 0;
- 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):
- if (MDOC_It == p->tok)
- return(1);
- break;
- case (MDOC_Oc):
- if (MDOC_Op == p->tok)
- return(1);
- break;
- default:
- break;
+ irc = 0;
+ for (n = mdoc->last; n != NULL && n != target; n = n->parent) {
+ if (n->flags & NODE_ENDED)
+ continue;
+ if (n->type == ROFFT_BLOCK &&
+ mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
+ irc = 1;
+ break_intermediate(mdoc->last, target);
+ if (target->type == ROFFT_HEAD)
+ target->flags |= NODE_ENDED;
+ else if ( ! (target->flags & NODE_ENDED)) {
+ mandoc_msg(MANDOCERR_BLK_NEST,
+ line, ppos, "%s breaks %s",
+ roff_name[tok], roff_name[n->tok]);
+ mdoc_endbody_alloc(mdoc, line, ppos,
+ tok, target);
+ }
+ }
}
-
- if (MDOC_EXPLICIT & mdoc_macros[tok].flags)
- return(p->tok == rew_alt(tok));
- else if (MDOC_BLOCK == p->type)
- return(1);
-
- return(tok == p->tok);
+ return irc;
}
-
-static int
-rew_elem(struct mdoc *mdoc, enum mdoct tok)
+/*
+ * Allocate a word and check whether it's punctuation or not.
+ * Punctuation consists of those tokens found in mdoc_isdelim().
+ */
+static void
+dword(struct roff_man *mdoc, int line, int col, const char *p,
+ enum mdelim d, int may_append)
{
- struct mdoc_node *n;
-
- n = mdoc->last;
- if (MDOC_ELEM != n->type)
- n = n->parent;
- assert(MDOC_ELEM == n->type);
- assert(tok == n->tok);
-
- return(rew_last(mdoc, n));
-}
+ if (d == DELIM_MAX)
+ d = mdoc_isdelim(p);
-static int
-rew_sub(enum mdoc_type t, struct mdoc *m,
- enum mdoct tok, int line, int ppos)
-{
- struct mdoc_node *n;
- enum rew 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)
- break;
- else if (rew_dobreak(tok, n))
- continue;
- if ( ! swarn(m, t, line, ppos, n))
- return(0);
+ if (may_append &&
+ ! (mdoc->flags & (MDOC_SYNOPSIS | MDOC_KEEP | MDOC_SMOFF)) &&
+ d == DELIM_NONE && mdoc->last->type == ROFFT_TEXT &&
+ mdoc_isdelim(mdoc->last->string) == DELIM_NONE) {
+ roff_word_append(mdoc, p);
+ return;
}
- assert(n);
- if ( ! rew_last(m, n))
- return(0);
+ roff_word_alloc(mdoc, line, col, p);
-#ifdef UGLY
/*
- * The current block extends an enclosing block beyond a line
- * break. Now that the current block ends, close the enclosing
- * block, too.
+ * 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 (NULL != (n = n->pending)) {
- assert(MDOC_HEAD == n->type);
- if ( ! rew_last(m, n))
- return(0);
- if ( ! mdoc_body_alloc(m, n->line, n->pos, n->tok))
- return(0);
- }
-#endif
- return(1);
+ if (d == DELIM_OPEN)
+ mdoc->last->flags |= NODE_DELIMO;
+ else if (d == DELIM_CLOSE &&
+ ! (mdoc->flags & MDOC_NODELIMC) &&
+ mdoc->last->parent->tok != MDOC_Fd)
+ mdoc->last->flags |= NODE_DELIMC;
+ mdoc->flags &= ~MDOC_NODELIMC;
}
-
-static int
-append_delims(struct mdoc *mdoc, int line, int *pos, char *buf)
+static void
+append_delims(struct roff_man *mdoc, int line, int *pos, char *buf)
{
- int lastarg;
- enum margserr ac;
char *p;
+ int la;
+ enum margserr ac;
- if (0 == buf[*pos])
- return(1);
+ if (buf[*pos] == '\0')
+ return;
for (;;) {
- lastarg = *pos;
- ac = mdoc_zargs(mdoc, line, pos, buf, ARGS_NOWARN, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- else if (ARGS_EOLN == ac)
+ la = *pos;
+ ac = mdoc_args(mdoc, line, pos, buf, TOKEN_NONE, &p);
+ if (ac == ARGS_EOLN)
break;
- assert(mdoc_isdelim(p));
- if ( ! mdoc_word_alloc(mdoc, line, lastarg, p))
- return(0);
- }
+ dword(mdoc, line, la, p, DELIM_MAX, 1);
- return(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 |= NODE_EOS;
+ if (ac == ARGS_ALLOC)
+ free(p);
+ }
+}
/*
- * 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, char *p, int parsed)
+{
+ int ntok;
+
+ ntok = buf[ppos] == '"' || parsed == 0 ||
+ mdoc->flags & MDOC_PHRASELIT ? TOKEN_NONE :
+ lookup(mdoc, tok, line, ppos, p);
+
+ if (ntok == TOKEN_NONE) {
+ dword(mdoc, line, ppos, p, DELIM_MAX, tok == TOKEN_NONE ||
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ return 0;
+ } else {
+ if (tok != TOKEN_NONE &&
+ mdoc_macro(tok)->fp == in_line_eoln)
+ rew_elem(mdoc, tok);
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, ppos, pos, buf);
+ if (tok == TOKEN_NONE)
+ append_delims(mdoc, line, pos, buf);
+ return 1;
+ }
+}
+
+/*
+ * Close out block partial/full explicit.
+ */
+static void
blk_exp_close(MACRO_PROT_ARGS)
{
- int j, lastarg, maxargs, flushed;
+ struct roff_node *body; /* Our own body. */
+ struct roff_node *endbody; /* Our own end marker. */
+ struct roff_node *itblk; /* An It block starting later. */
+ struct roff_node *later; /* A sub-block starting later. */
+ struct roff_node *n; /* Search back to our block. */
+ struct roff_node *target; /* For find_pending(). */
+
+ int j, lastarg, maxargs, nl, pending;
enum margserr ac;
- enum mdoct ntok;
+ enum roff_tok 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;
+ /* FALLTHROUGH */
default:
maxargs = 0;
break;
}
- if ( ! (MDOC_CALLABLE & mdoc_macros[tok].flags)) {
- if (buf[*pos])
- if ( ! mdoc_pwarn(m, line, ppos, ENOLINE))
- return(0);
+ /* Search backwards for the beginning of our own body. */
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
- return(rew_sub(MDOC_BLOCK, m, tok, line, ppos));
+ atok = rew_alt(tok);
+ body = NULL;
+ for (n = mdoc->last; n; n = n->parent) {
+ if (n->flags & NODE_ENDED || n->tok != atok ||
+ n->type != ROFFT_BODY || n->end != ENDBODY_NOT)
+ continue;
+ body = n;
+ break;
}
- if ( ! rew_sub(MDOC_BODY, m, tok, line, ppos))
- return(0);
+ /*
+ * Search backwards for beginnings of blocks,
+ * both of our own and of pending sub-blocks.
+ */
- if (maxargs > 0)
- if ( ! mdoc_tail_alloc(m, line, ppos, rew_alt(tok)))
- return(0);
+ endbody = itblk = later = NULL;
+ for (n = mdoc->last; n; n = n->parent) {
+ if (n->flags & NODE_ENDED)
+ continue;
- for (flushed = j = 0; ; j++) {
- lastarg = *pos;
+ /*
+ * Mismatching end macros can never break anything
+ * and we only care about the breaking of BLOCKs.
+ */
+
+ if (body == NULL || n->type != ROFFT_BLOCK)
+ continue;
+
+ /*
+ * SYNOPSIS name blocks can not be broken themselves,
+ * but they do get broken together with a broken child.
+ */
- if (j == maxargs && ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
- flushed = 1;
+ if (n->tok == MDOC_Nm) {
+ if (later != NULL)
+ n->flags |= NODE_BROKEN | NODE_ENDED;
+ continue;
}
- ac = mdoc_args(m, line, pos, buf, tok, &p);
+ if (n->tok == MDOC_It) {
+ itblk = n;
+ continue;
+ }
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_PUNCT == ac)
- break;
- if (ARGS_EOLN == ac)
+ if (atok == n->tok) {
+
+ /*
+ * Found the start of our own block.
+ * When there is no pending sub block,
+ * just proceed to closing out.
+ */
+
+ if (later == NULL ||
+ (tok == MDOC_El && itblk == NULL))
+ break;
+
+ /*
+ * When there is a pending sub block, postpone
+ * closing out the current block until the
+ * rew_pending() closing out the sub-block.
+ * Mark the place where the formatting - but not
+ * the scope - of the current block ends.
+ */
+
+ mandoc_msg(MANDOCERR_BLK_NEST,
+ line, ppos, "%s breaks %s",
+ roff_name[atok], roff_name[later->tok]);
+
+ endbody = mdoc_endbody_alloc(mdoc, line, ppos,
+ atok, body);
+
+ if (tok == MDOC_El)
+ itblk->flags |= NODE_ENDED | NODE_BROKEN;
+
+ /*
+ * If a block closing macro taking arguments
+ * breaks another block, put the arguments
+ * into the end marker.
+ */
+
+ if (maxargs)
+ mdoc->next = ROFF_NEXT_CHILD;
break;
+ }
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ /*
+ * Explicit blocks close out description lines, but
+ * even those can get broken together with a child.
+ */
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, lastarg, p))
- return(0);
+ if (n->tok == MDOC_Nd) {
+ if (later != NULL)
+ n->flags |= NODE_BROKEN | NODE_ENDED;
+ else
+ rew_last(mdoc, n);
continue;
}
- if ( ! flushed) {
- if ( ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
- flushed = 1;
+ /* Breaking an open sub block. */
+
+ break_intermediate(mdoc->last, body);
+ n->flags |= NODE_BROKEN;
+ if (later == NULL)
+ later = n;
+ }
+
+ if (body == NULL) {
+ mandoc_msg(MANDOCERR_BLK_NOTOPEN, line, ppos,
+ "%s", roff_name[tok]);
+ if (maxargs && endbody == NULL) {
+ /*
+ * Stray .Ec without previous .Eo:
+ * Break the output line, keep the arguments.
+ */
+ roff_elem_alloc(mdoc, line, ppos, ROFF_br);
+ rew_elem(mdoc, ROFF_br);
}
- if ( ! mdoc_macro(m, ntok, line, lastarg, pos, buf))
- return(0);
- break;
+ } else if (endbody == NULL) {
+ rew_last(mdoc, body);
+ if (maxargs)
+ mdoc_tail_alloc(mdoc, line, ppos, atok);
}
- if ( ! flushed && ! rew_sub(MDOC_BLOCK, m, tok, line, ppos))
- return(0);
+ if ((mdoc_macro(tok)->flags & MDOC_PARSED) == 0) {
+ if (buf[*pos] != '\0')
+ mandoc_msg(MANDOCERR_ARG_SKIP, line, ppos,
+ "%s %s", roff_name[tok], buf + *pos);
+ if (endbody == NULL && n != NULL)
+ rew_pending(mdoc, n);
- if (ppos > 1)
- return(1);
- return(append_delims(m, line, pos, buf));
-}
+ /*
+ * Restore the fill mode that was set before the display.
+ * This needs to be done here rather than during validation
+ * such that subsequent nodes get the right flags.
+ */
+ if (tok == MDOC_Ed && body != NULL) {
+ if (body->flags & NODE_NOFILL)
+ mdoc->flags |= ROFF_NOFILL;
+ else
+ mdoc->flags &= ~ROFF_NOFILL;
+ }
+ return;
+ }
-static int
+ if (endbody != NULL)
+ n = endbody;
+
+ ntok = TOKEN_NONE;
+ for (j = 0; ; j++) {
+ lastarg = *pos;
+
+ if (j == maxargs && n != NULL)
+ rew_last(mdoc, n);
+
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN)
+ break;
+
+ ntok = lookup(mdoc, tok, line, lastarg, p);
+
+ if (ntok == TOKEN_NONE) {
+ dword(mdoc, line, lastarg, p, DELIM_MAX,
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ continue;
+ }
+ if (ac == ARGS_ALLOC)
+ free(p);
+
+ if (n != NULL)
+ rew_last(mdoc, n);
+ mdoc->flags &= ~MDOC_NEWLINE;
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok, line, lastarg, pos, buf);
+ break;
+ }
+
+ if (n != NULL) {
+ pending = 0;
+ if (ntok != TOKEN_NONE && n->flags & NODE_BROKEN) {
+ target = n;
+ do
+ target = target->parent;
+ while ( ! (target->flags & NODE_ENDED));
+ pending = find_pending(mdoc, ntok, line, ppos, target);
+ }
+ if ( ! pending)
+ rew_pending(mdoc, n);
+ }
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+}
+
+static void
in_line(MACRO_PROT_ARGS)
{
- int la, lastpunct, cnt, d, nc;
- enum margverr av;
- enum mdoct ntok;
+ int la, scope, cnt, firstarg, mayopen, nc, nl;
+ enum roff_tok 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,
* usually because of reserved words) to squeak by.
*/
switch (tok) {
- case (MDOC_An):
- /* FALLTHROUGH */
- case (MDOC_Ar):
- /* FALLTHROUGH */
- case (MDOC_Fl):
- /* FALLTHROUGH */
- case (MDOC_Lk):
- /* FALLTHROUGH */
- case (MDOC_Nm):
- /* FALLTHROUGH */
- case (MDOC_Pa):
+ case MDOC_An:
+ case MDOC_Ar:
+ case MDOC_Fl:
+ case MDOC_Mt:
+ case MDOC_Nm:
+ case MDOC_Pa:
nc = 1;
break;
default:
break;
}
- for (arg = NULL;; ) {
+ mdoc_argv(mdoc, line, tok, &arg, pos, buf);
+
+ d = DELIM_NONE;
+ firstarg = 1;
+ mayopen = 1;
+ for (cnt = scope = 0;; ) {
la = *pos;
- av = mdoc_argv(m, line, tok, &arg, pos, buf);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
- if (ARGV_WORD == av) {
- *pos = la;
- break;
- }
- if (ARGV_EOLN == av)
- break;
- if (ARGV_ARG == av)
- continue;
+ /*
+ * At the end of a macro line,
+ * opening delimiters do not suppress spacing.
+ */
- mdoc_argv_free(arg);
- return(0);
- }
+ if (ac == ARGS_EOLN) {
+ if (d == DELIM_OPEN)
+ mdoc->last->flags &= ~NODE_DELIMO;
+ break;
+ }
- for (cnt = 0, lastpunct = 1;; ) {
- la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
+ /*
+ * 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 (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
- break;
- if (ARGS_PUNCT == ac)
+ if (ac == ARGS_PUNCT) {
+ if (cnt == 0 && (nc == 0 || tok == MDOC_An))
+ mdoc->flags |= MDOC_NODELIMC;
break;
+ }
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ ntok = (tok == MDOC_Fn && !cnt) ?
+ TOKEN_NONE : 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 (0 == lastpunct && ! 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 != TOKEN_NONE) {
+ 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_pwarn(m, line, ppos, EIGNE))
- return(0);
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
}
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- if (ppos > 1)
- return(1);
- return(append_delims(m, line, pos, buf));
- }
-
- /*
- * Non-quote-enclosed punctuation. Set up our scope, if
- * a word; rewind the scope, if a delimiter; then append
- * the word.
- */
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok,
+ line, la, pos, buf);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ return;
+ }
- d = ARGS_QWORD == ac ? 0 : mdoc_isdelim(p);
+ /*
+ * Handle punctuation. Set up our scope, if a word;
+ * rewind the scope, if a delimiter; then append the word.
+ */
- if (ARGS_QWORD != ac && d) {
- if (0 == lastpunct && ! rew_elem(m, tok))
- return(0);
- lastpunct = 1;
- } else if (lastpunct) {
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
- lastpunct = 0;
+ if ((d = mdoc_isdelim(p)) != DELIM_NONE) {
+ /*
+ * If we encounter closing punctuation, no word
+ * has been emitted, 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)) &&
+ !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 && tok != MDOC_Lk) {
+ rew_elem(mdoc, tok);
+ scope = 0;
+ if (tok == MDOC_Fn)
+ mayopen = 0;
+ }
+ } else if (mayopen && !scope) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ scope = 1;
+ cnt++;
}
- if ( ! d)
- cnt++;
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ dword(mdoc, line, la, p, d,
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+
+ if (ac == ARGS_ALLOC)
+ free(p);
+
+ /*
+ * If the first argument is a closing delimiter,
+ * do not suppress spacing before it.
+ */
+
+ if (firstarg && d == DELIM_CLOSE && !nc)
+ mdoc->last->flags &= ~NODE_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 (0 == lastpunct && MDOC_Fl == tok) {
- if ( ! rew_elem(m, tok))
- return(0);
- lastpunct = 1;
+ if (scope && tok == MDOC_Fl) {
+ rew_elem(mdoc, tok);
+ scope = 0;
}
}
- if (0 == lastpunct && ! rew_elem(m, tok))
- return(0);
+ if (scope && tok != MDOC_Lk) {
+ rew_elem(mdoc, tok);
+ scope = 0;
+ }
/*
* 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_pwarn(m, line, ppos, EIGNE))
- 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,
+ line, ppos, "%s", roff_name[tok]);
+ }
}
-
- if (ppos > 1)
- return(1);
- return(append_delims(m, line, pos, buf));
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ if (scope)
+ rew_elem(mdoc, tok);
}
-
-static int
+static void
blk_full(MACRO_PROT_ARGS)
{
- int la;
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 mdoct ntok;
- enum margserr ac;
- enum margverr av;
+ struct roff_node *blk; /* Our own or a broken block. */
+ struct roff_node *head; /* Our own head. */
+ struct roff_node *body; /* Our own body. */
+ struct roff_node *n;
char *p;
+ size_t iarg;
+ int done, la, nl, parsed;
+ enum margserr ac, lac;
+
+ nl = MDOC_NEWLINE & mdoc->flags;
+
+ if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
+ return;
+ }
+
+ if ((mdoc_macro(tok)->flags & MDOC_EXPLICIT) == 0) {
+
+ /* Here, tok is one of Sh Ss Nm Nd It. */
+
+ blk = NULL;
+ for (n = mdoc->last; n != NULL; n = n->parent) {
+ if (n->flags & NODE_ENDED) {
+ if ( ! (n->flags & NODE_VALID))
+ n->flags |= NODE_BROKEN;
+ continue;
+ }
+ if (n->type != ROFFT_BLOCK)
+ continue;
+
+ if (tok == MDOC_It && n->tok == MDOC_Bl) {
+ if (blk != NULL) {
+ mandoc_msg(MANDOCERR_BLK_BROKEN,
+ line, ppos, "It breaks %s",
+ roff_name[blk->tok]);
+ rew_pending(mdoc, blk);
+ }
+ break;
+ }
+
+ if (mdoc_macro(n->tok)->flags & MDOC_EXPLICIT) {
+ switch (tok) {
+ case MDOC_Sh:
+ case MDOC_Ss:
+ mandoc_msg(MANDOCERR_BLK_BROKEN,
+ line, ppos,
+ "%s breaks %s", roff_name[tok],
+ roff_name[n->tok]);
+ rew_pending(mdoc, n);
+ n = mdoc->last;
+ continue;
+ case MDOC_It:
+ /* Delay in case it's astray. */
+ blk = n;
+ continue;
+ default:
+ break;
+ }
+ break;
+ }
+
+ /* Here, n is one of Sh Ss Nm Nd It. */
+
+ if (tok != MDOC_Sh && (n->tok == MDOC_Sh ||
+ (tok != MDOC_Ss && (n->tok == MDOC_Ss ||
+ (tok != MDOC_It && n->tok == MDOC_It)))))
+ break;
+
+ /* Item breaking an explicit block. */
+
+ if (blk != NULL) {
+ mandoc_msg(MANDOCERR_BLK_BROKEN, line, ppos,
+ "It breaks %s", roff_name[blk->tok]);
+ rew_pending(mdoc, blk);
+ blk = NULL;
+ }
- /* Close out prior implicit scope. */
+ /* Close out prior implicit scopes. */
- 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);
+ rew_pending(mdoc, n);
+ }
+
+ /* Skip items outside lists. */
+
+ if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
+ mandoc_msg(MANDOCERR_IT_STRAY,
+ line, ppos, "It %s", buf + *pos);
+ roff_elem_alloc(mdoc, line, ppos, ROFF_br);
+ rew_elem(mdoc, ROFF_br);
+ return;
+ }
}
/*
- * 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);
+ switch (tok) {
+ case MDOC_Sh:
+ mdoc->flags &= ~ROFF_NOFILL;
+ break;
+ case MDOC_Ss:
+ mdoc->flags |= ROFF_NONOFILL;
+ break;
+ default:
+ break;
}
+ 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 = roff_head_alloc(mdoc, line, ppos, tok);
+ rew_last(mdoc, head);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+ }
+
+ if (tok == MDOC_Bk)
+ mdoc->flags |= MDOC_KEEP;
+ ac = ARGS_EOLN;
for (;;) {
+
+ /*
+ * If we are right after a tab character,
+ * do not parse the first word for macros.
+ */
+
+ if (mdoc->flags & MDOC_PHRASEQN) {
+ mdoc->flags &= ~MDOC_PHRASEQN;
+ mdoc->flags |= MDOC_PHRASEQF;
+ }
+
la = *pos;
- ac = mdoc_args(m, line, pos, buf, tok, &p);
+ lac = ac;
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_EOLN) {
+ if (lac != ARGS_PHRASE ||
+ ! (mdoc->flags & MDOC_PHRASEQF))
+ break;
+
+ /*
+ * This line ends in a tab; start the next
+ * column now, with a leading blank.
+ */
+
+ if (body != NULL)
+ rew_last(mdoc, body);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+ roff_word_alloc(mdoc, line, ppos, "\\&");
+ break;
+ }
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
+ if (tok == MDOC_Bd || tok == MDOC_Bk) {
+ mandoc_msg(MANDOCERR_ARG_EXCESS, line, la,
+ "%s ... %s", roff_name[tok], buf + la);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ break;
+ }
+ if (tok == MDOC_Rs) {
+ mandoc_msg(MANDOCERR_ARG_SKIP,
+ line, la, "Rs %s", buf + la);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ break;
+ }
+ if (ac == ARGS_PUNCT)
break;
- /* Don't emit leading punct. for phrases. */
+ /*
+ * Emit leading punctuation (i.e., punctuation before
+ * the ROFFT_HEAD) for non-phrase types.
+ */
- if (NULL == head && ARGS_PHRASE != ac &&
- ARGS_PPHRASE != ac &&
- ARGS_QWORD != ac &&
- 1 == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if (head == NULL &&
+ ac != ARGS_PHRASE &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
}
- /* Always re-open head for phrases. */
+ /* Open a head if one hasn't been opened. */
- if (NULL == head || ARGS_PHRASE == ac ||
- ARGS_PPHRASE == ac) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- head = m->last;
- }
+ if (head == NULL)
+ head = roff_head_alloc(mdoc, line, ppos, tok);
- if (ARGS_PHRASE == ac || ARGS_PPHRASE == ac) {
- if ( ! phrase(m, line, la, buf))
- return(0);
- if ( ! rew_sub(MDOC_HEAD, m, tok, line, ppos))
- return(0);
- continue;
- }
+ if (ac == ARGS_PHRASE) {
+
+ /*
+ * If we haven't opened a body yet, rewind the
+ * head; if we have, rewind that instead.
+ */
+
+ rew_last(mdoc, body == NULL ? head : body);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+
+ /* Process to the tab or to the end of the line. */
+
+ mdoc->flags |= MDOC_PHRASE;
+ parse_rest(mdoc, TOKEN_NONE, line, &la, buf);
+ mdoc->flags &= ~MDOC_PHRASE;
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ /* There may have been `Ta' macros. */
- if (MDOC_MAX == ntok) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ while (body->next != NULL)
+ body = body->next;
continue;
}
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- break;
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, parsed);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
+ break;
}
- if (NULL == head) {
- if ( ! mdoc_head_alloc(m, line, ppos, tok))
- return(0);
- head = m->last;
- }
-
- if (1 == ppos && ! append_delims(m, line, pos, buf))
- return(0);
+ if (blk->flags & NODE_VALID)
+ return;
+ if (head == NULL)
+ head = roff_head_alloc(mdoc, line, ppos, tok);
+ if (nl && tok != MDOC_Bd && tok != MDOC_Bl && tok != MDOC_Rs)
+ append_delims(mdoc, line, pos, buf);
+ if (body != NULL)
+ goto out;
+ if (find_pending(mdoc, tok, line, ppos, head))
+ return;
- /* If we've already opened our body, exit now. */
+ /* Close out scopes to remain in a consistent state. */
- if (NULL != body)
- return(1);
+ rew_last(mdoc, head);
+ body = roff_body_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Ss)
+ mdoc->flags &= ~ROFF_NONOFILL;
-#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.
+ * Set up fill mode for display blocks.
+ * This needs to be done here up front rather than during
+ * validation such that child nodes get the right flags.
*/
- 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));
- n->pending = head;
- return(1);
+
+ if (tok == MDOC_Bd && arg != NULL) {
+ for (iarg = 0; iarg < arg->argc; iarg++) {
+ switch (arg->argv[iarg].arg) {
+ case MDOC_Unfilled:
+ case MDOC_Literal:
+ mdoc->flags |= ROFF_NOFILL;
+ break;
+ case MDOC_Filled:
+ case MDOC_Ragged:
+ case MDOC_Centred:
+ mdoc->flags &= ~ROFF_NOFILL;
+ break;
+ default:
+ continue;
+ }
+ break;
}
}
-#endif
-
- /* 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);
-
- return(1);
+out:
+ if (mdoc->flags & MDOC_FREECOL) {
+ rew_last(mdoc, body);
+ rew_last(mdoc, blk);
+ mdoc->flags &= ~MDOC_FREECOL;
+ }
}
-
-static int
+static void
blk_part_imp(MACRO_PROT_ARGS)
{
- int la;
- enum mdoct ntok;
+ int done, la, nl;
enum margserr ac;
char *p;
- struct mdoc_node *blk; /* saved block context */
- struct mdoc_node *body; /* saved body context */
- struct mdoc_node *n;
+ struct roff_node *blk; /* saved block context */
+ struct roff_node *body; /* saved body context */
+ struct roff_node *n;
+
+ 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, roff_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 &&
- 1 == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if (body == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
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 (body == NULL)
+ body = roff_body_alloc(mdoc, line, ppos, tok);
- 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;
- }
-
- /* Clean-ups to leave in a consistent state. */
-
- if (NULL == body) {
- if ( ! mdoc_body_alloc(m, line, ppos, tok))
- return(0);
- body = m->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.
- */
- for (n = m->last; n; n = n->parent)
- if (body == n)
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
break;
+ }
+ if (body == NULL)
+ body = roff_body_alloc(mdoc, line, ppos, tok);
- if (NULL == n && ! mdoc_nwarn(m, body, EIMPBRK))
- return(0);
-
- if (n && ! rew_last(m, body))
- return(0);
-
- /* Standard appending of delimiters. */
-
- if (1 == ppos && ! append_delims(m, line, pos, buf))
- return(0);
+ if (find_pending(mdoc, tok, line, ppos, body))
+ return;
- /* Rewind scope, if applicable. */
+ rew_last(mdoc, body);
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
+ rew_pending(mdoc, blk);
- if (n && ! rew_last(m, blk))
- 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)
+ roff_node_relink(mdoc, n);
}
-
-static int
+static void
blk_part_exp(MACRO_PROT_ARGS)
{
- int la;
+ int done, la, nl;
enum margserr ac;
- struct mdoc_node *head; /* keep track of head */
- struct mdoc_node *body; /* keep track of body */
+ struct roff_node *head; /* keep track of head */
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);
-
- for (head = body = NULL; ; ) {
+ roff_block_alloc(mdoc, line, ppos, tok);
+ 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 &&
- 1 == mdoc_isdelim(p)) {
- assert(NULL == body);
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ if (head == NULL && mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
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 = roff_head_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Eo) /* Not parsed. */
+ dword(mdoc, line, la, p, DELIM_MAX, 0);
+ rew_last(mdoc, head);
+ roff_body_alloc(mdoc, line, ppos, tok);
+ if (tok == MDOC_Eo) {
+ if (ac == ARGS_ALLOC)
+ free(p);
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;
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
+ 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, roff_head_alloc(mdoc, line, ppos, tok));
+ roff_body_alloc(mdoc, line, ppos, tok);
}
-
- /* Standard appending of delimiters. */
-
- if (ppos > 1)
- return(1);
-
- return(append_delims(m, line, pos, buf));
+ if (nl)
+ append_delims(mdoc, line, pos, buf);
}
-
-static int
+static void
in_line_argn(MACRO_PROT_ARGS)
{
- int la, flushed, j, maxargs;
- enum margserr ac;
- enum margverr av;
struct mdoc_arg *arg;
char *p;
- enum mdoct ntok;
+ enum margserr ac;
+ enum roff_tok ntok;
+ int state; /* arg#; -1: not yet open; -2: closed */
+ int la, maxargs, nl;
+
+ nl = mdoc->flags & MDOC_NEWLINE;
/*
* A line macro that has a fixed number of arguments (maxargs).
*/
switch (tok) {
- case (MDOC_Ap):
- /* FALLTHROUGH */
- case (MDOC_No):
- /* FALLTHROUGH */
- case (MDOC_Ns):
- /* FALLTHROUGH */
- case (MDOC_Ux):
+ case MDOC_Ap:
+ case MDOC_Ns:
+ case MDOC_Ux:
maxargs = 0;
break;
- case (MDOC_Xr):
+ case MDOC_Bx:
+ case MDOC_Es:
+ 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;
- }
+ mdoc_argv(mdoc, line, tok, &arg, pos, buf);
- if (ARGV_EOLN == av)
- break;
- if (ARGV_ARG == av)
- continue;
-
- mdoc_argv_free(arg);
- return(0);
- }
-
- for (flushed = j = 0; ; ) {
+ state = -1;
+ p = 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)
- break;
-
- if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != ac &&
- 0 == j && 1 == mdoc_isdelim(p)) {
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+
+ if ((ac == ARGS_WORD || ac == ARGS_ALLOC) && state == -1 &&
+ (mdoc_macro(tok)->flags & MDOC_IGNDELIM) == 0 &&
+ mdoc_isdelim(p) == DELIM_OPEN) {
+ dword(mdoc, line, la, p, DELIM_OPEN, 0);
+ if (ac == ARGS_ALLOC)
+ free(p);
continue;
- } else if (0 == j)
- if ( ! mdoc_elem_alloc(m, line, la, tok, arg))
- return(0);
-
- if (j == maxargs && ! flushed) {
- if ( ! rew_elem(m, tok))
- return(0);
- flushed = 1;
}
- ntok = ARGS_QWORD == ac ? MDOC_MAX : lookup(tok, p);
+ if (state == -1 && tok != MDOC_In &&
+ tok != MDOC_St && tok != MDOC_Xr) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ state = 0;
+ }
- if (MDOC_MAX != ntok) {
- if ( ! flushed && ! rew_elem(m, tok))
- return(0);
- flushed = 1;
- if ( ! mdoc_macro(m, ntok, line, la, pos, buf))
- return(0);
- j++;
+ if (ac == ARGS_PUNCT || ac == ARGS_EOLN) {
+ if (abs(state) < 2 && tok == MDOC_Pf)
+ mandoc_msg(MANDOCERR_PF_SKIP,
+ line, ppos, "Pf %s",
+ p == NULL ? "at eol" : p);
break;
}
- if ( ! (MDOC_IGNDELIM & mdoc_macros[tok].flags) &&
- ARGS_QWORD != ac &&
- ! flushed && mdoc_isdelim(p)) {
- if ( ! rew_elem(m, tok))
- return(0);
- flushed = 1;
+ if (state == maxargs) {
+ rew_elem(mdoc, tok);
+ state = -2;
}
- /*
- * 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.
- */
+ ntok = (tok == MDOC_Pf && state == 0) ?
+ TOKEN_NONE : lookup(mdoc, tok, line, la, p);
-#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);
+ if (ntok != TOKEN_NONE) {
+ if (state >= 0) {
+ rew_elem(mdoc, tok);
+ state = -2;
+ }
+ (*mdoc_macro(ntok)->fp)(mdoc, ntok,
+ line, la, pos, buf);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ break;
}
-#endif
-
- if ( ! mdoc_word_alloc(m, line, la, p))
- return(0);
- j++;
- }
- if (0 == j && ! mdoc_elem_alloc(m, line, la, tok, arg))
- return(0);
+ if (mdoc_macro(tok)->flags & MDOC_IGNDELIM ||
+ mdoc_isdelim(p) == DELIM_NONE) {
+ if (state == -1) {
+ mdoc_elem_alloc(mdoc, line, ppos, tok, arg);
+ state = 1;
+ } else if (state >= 0)
+ state++;
+ } else if (state >= 0) {
+ rew_elem(mdoc, tok);
+ state = -2;
+ }
- /* Close out in a consistent state. */
+ dword(mdoc, line, la, p, DELIM_MAX,
+ mdoc_macro(tok)->flags & MDOC_JOIN);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ p = mdoc->last->string;
+ }
- if ( ! flushed && ! rew_elem(m, tok))
- return(0);
+ if (state == -1) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
+ return;
+ }
- if (ppos > 1)
- return(1);
- return(append_delims(m, line, pos, buf));
+ if (state == 0 && tok == MDOC_Pf)
+ append_delims(mdoc, line, pos, buf);
+ if (state >= 0)
+ 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));
-
- /* 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);
+ struct roff_node *n;
+ struct mdoc_arg *arg;
+
+ if ((tok == MDOC_Pp || tok == MDOC_Lp) &&
+ ! (mdoc->flags & MDOC_SYNOPSIS)) {
+ n = mdoc->last;
+ if (mdoc->next == ROFF_NEXT_SIBLING)
+ n = n->parent;
+ if (n->tok == MDOC_Nm)
+ rew_last(mdoc, n->parent);
}
- /* Open element scope. */
-
- if ( ! mdoc_elem_alloc(m, line, ppos, tok, arg))
- return(0);
-
- /* Parse argument terms. */
-
- 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))
- return(0);
- return(mdoc_macro(m, ntok, line, la, pos, buf));
+ if (buf[*pos] == '\0' &&
+ (tok == MDOC_Fd || *roff_name[tok] == '%')) {
+ mandoc_msg(MANDOCERR_MACRO_EMPTY,
+ line, ppos, "%s", roff_name[tok]);
+ return;
}
- /* Close out (no delimiters). */
-
- return(rew_elem(m, tok));
+ 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);
}
-
-/* ARGSUSED */
+/*
+ * 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
-ctx_synopsis(MACRO_PROT_ARGS)
+parse_rest(struct roff_man *mdoc, enum roff_tok tok,
+ int line, int *pos, char *buf)
{
+ char *p;
+ int done, la;
+ enum margserr ac;
- /* 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 we're a nested call, same place. */
- if (ppos > 1)
- 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.
- */
-
- return(blk_part_imp(m, tok, line, ppos, pos, buf));
+ for (;;) {
+ la = *pos;
+ ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
+ if (ac == ARGS_EOLN)
+ return 0;
+ done = macro_or_word(mdoc, tok, line, la, pos, buf, p, 1);
+ if (ac == ARGS_ALLOC)
+ free(p);
+ if (done)
+ return 1;
+ }
}
-
-/* ARGSUSED */
-static int
-obsolete(MACRO_PROT_ARGS)
+static void
+ctx_synopsis(MACRO_PROT_ARGS)
{
- return(mdoc_pwarn(m, line, ppos, EOBS));
+ 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)
+static void
+phrase_ta(MACRO_PROT_ARGS)
{
- int la, pos;
- enum margserr ac;
- enum mdoct ntok;
- char *p;
-
- for (pos = ppos; ; ) {
- la = pos;
-
- /* Note: no calling context! */
- ac = mdoc_zargs(m, line, &pos, buf, 0, &p);
-
- if (ARGS_ERROR == ac)
- return(0);
- if (ARGS_EOLN == ac)
- break;
+ struct roff_node *body, *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);
+ body = NULL;
+ for (n = mdoc->last; n != NULL; n = n->parent) {
+ if (n->flags & NODE_ENDED)
continue;
- }
-
- if ( ! mdoc_macro(m, ntok, line, la, &pos, buf))
- return(0);
- return(append_delims(m, line, &pos, buf));
+ if (n->tok == MDOC_It && n->type == ROFFT_BODY)
+ body = n;
+ if (n->tok == MDOC_Bl && n->end == ENDBODY_NOT)
+ break;
}
- return(1);
-}
+ if (n == NULL || n->norm->Bl.type != LIST_column) {
+ mandoc_msg(MANDOCERR_TA_STRAY, line, ppos, "Ta");
+ return;
+ }
+ /* Advance to the next column. */
+ rew_last(mdoc, body);
+ roff_body_alloc(mdoc, line, ppos, MDOC_It);
+ parse_rest(mdoc, TOKEN_NONE, line, pos, buf);
+}
git.ckatri.com / mandoc.git / blobdiff