-/* $Id: mdoc.c,v 1.24 2009/01/08 15:05:50 kristaps Exp $ */
+/* $Id: mdoc.c,v 1.188 2011/03/28 23:52:13 kristaps Exp $ */
/*
- * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010 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.
+ * 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 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR 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.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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 <err.h>
#include <stdarg.h>
-#include <stdlib.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <time.h>
-#include "private.h"
+#include "mdoc.h"
+#include "mandoc.h"
+#include "libmdoc.h"
+#include "libmandoc.h"
const char *const __mdoc_macronames[MDOC_MAX] = {
- "\\\"", "Dd", "Dt", "Os",
+ "Ap", "Dd", "Dt", "Os",
"Sh", "Ss", "Pp", "D1",
"Dl", "Bd", "Ed", "Bl",
"El", "It", "Ad", "An",
"Nm", "Op", "Ot", "Pa",
"Rv", "St", "Va", "Vt",
/* LINTED */
- "Xr", "\%A", "\%B", "\%D",
+ "Xr", "%A", "%B", "%D",
/* LINTED */
- "\%I", "\%J", "\%N", "\%O",
+ "%I", "%J", "%N", "%O",
/* LINTED */
- "\%P", "\%R", "\%T", "\%V",
+ "%P", "%R", "%T", "%V",
"Ac", "Ao", "Aq", "At",
"Bc", "Bf", "Bo", "Bq",
"Bsx", "Bx", "Db", "Dc",
"Tn", "Ux", "Xc", "Xo",
"Fo", "Fc", "Oo", "Oc",
"Bk", "Ek", "Bt", "Hf",
- "Fr", "Ud",
+ "Fr", "Ud", "Lb", "Lp",
+ "Lk", "Mt", "Brq", "Bro",
+ /* LINTED */
+ "Brc", "%C", "Es", "En",
+ /* LINTED */
+ "Dx", "%Q", "br", "sp",
+ /* LINTED */
+ "%U", "Ta"
};
const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
"tag", "diag", "hang",
"ohang", "inset", "column",
"width", "compact", "std",
- "p1003.1-88", "p1003.1-90", "p1003.1-96",
- "p1003.1-2001", "p1003.1-2004", "p1003.1",
- "p1003.1b", "p1003.1b-93", "p1003.1c-95",
- "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
- "p1003.2", "p1387.2", "isoC-90",
- "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
- "isoC-99", "ansiC", "ansiC-89",
- "ansiC-99", "ieee754", "iso8802-3",
- "xpg3", "xpg4", "xpg4.2",
- "xpg4.3", "xbd5", "xcu5",
- "xsh5", "xns5", "xns5.2d2.0",
- "xcurses4.2", "susv2", "susv3",
- "svid4", "filled", "words",
- "emphasis", "symbolic",
+ "filled", "words", "emphasis",
+ "symbolic", "nested", "centered"
};
-const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
- { NULL, 0 }, /* \" */
- { macro_constant, MDOC_PROLOGUE }, /* Dd */
- { macro_constant, MDOC_PROLOGUE }, /* Dt */
- { macro_constant, MDOC_PROLOGUE }, /* Os */
- { macro_scoped, 0 }, /* Sh */
- { macro_scoped, 0 }, /* Ss */
- { macro_text, 0 }, /* Pp */
- { macro_scoped_line, MDOC_PARSED }, /* D1 */
- { macro_scoped_line, MDOC_PARSED }, /* Dl */
- { macro_scoped, MDOC_EXPLICIT }, /* Bd */
- { macro_close_explicit, 0 }, /* Ed */
- { macro_scoped, MDOC_EXPLICIT }, /* Bl */
- { macro_close_explicit, 0 }, /* El */
- { macro_scoped, MDOC_NESTED | MDOC_PARSED }, /* It */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
- { macro_constant, MDOC_PARSED }, /* An */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
- { macro_constant, MDOC_QUOTABLE }, /* Cd */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
- { macro_constant, 0 }, /* Ex */
- { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fa */
- { macro_constant, 0 }, /* Fd */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
- { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fn */
- { macro_text, MDOC_PARSED }, /* Ft */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */
- { macro_constant, 0 }, /* In */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */
- { macro_constant, 0 }, /* Nd */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
- { macro_obsolete, 0 }, /* Ot */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
- { macro_constant, 0 }, /* Rv */
- /* XXX - .St supposed to be (but isn't) callable. */
- { macro_constant_delimited, MDOC_PARSED }, /* St */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
- { macro_constant, MDOC_QUOTABLE }, /* %A */
- { macro_constant, MDOC_QUOTABLE }, /* %B */
- { macro_constant, MDOC_QUOTABLE }, /* %D */
- { macro_constant, MDOC_QUOTABLE }, /* %I */
- { macro_constant, MDOC_QUOTABLE }, /* %J */
- { macro_constant, MDOC_QUOTABLE }, /* %N */
- { macro_constant, MDOC_QUOTABLE }, /* %O */
- { macro_constant, MDOC_QUOTABLE }, /* %P */
- { macro_constant, MDOC_QUOTABLE }, /* %R */
- { macro_constant, MDOC_QUOTABLE }, /* %T */
- { macro_constant, MDOC_QUOTABLE }, /* %V */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Ao */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
- { macro_constant, 0 }, /* At */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
- { macro_scoped, MDOC_EXPLICIT }, /* Bf */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Bo */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */
- { macro_constant_delimited, MDOC_PARSED }, /* Bsx */
- { macro_constant_delimited, MDOC_PARSED }, /* Bx */
- { macro_constant, 0 }, /* Db */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Do */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
- { macro_close_explicit, 0 }, /* Ef */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Eo */
- { macro_constant_delimited, MDOC_PARSED }, /* Fx */
- { macro_text, MDOC_PARSED }, /* Ms */
- { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */
- { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */
- { macro_constant_delimited, MDOC_PARSED }, /* Nx */
- { macro_constant_delimited, MDOC_PARSED }, /* Ox */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
- { macro_constant, MDOC_PARSED }, /* Pf */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Po */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Qo */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
- { macro_close_explicit, 0 }, /* Re */
- { macro_scoped, MDOC_EXPLICIT }, /* Rs */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* So */
- { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */
- { macro_constant, 0 }, /* Sm */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
- { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
- { macro_constant_delimited, MDOC_PARSED }, /* Ux */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Xo */
- /* XXX - .Fo supposed to be (but isn't) callable. */
- { macro_scoped, MDOC_EXPLICIT | MDOC_PARSED }, /* Fo */
- /* XXX - .Fc supposed to be (but isn't) callable. */
- { macro_close_explicit, MDOC_PARSED }, /* Fc */
- { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED }, /* Oo */
- { macro_close_explicit, MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
- { macro_scoped, MDOC_EXPLICIT }, /* Bk */
- { macro_close_explicit, 0 }, /* Ek */
- { macro_constant, 0 }, /* Bt */
- { macro_constant, 0 }, /* Hf */
- { macro_obsolete, 0 }, /* Fr */
- { macro_constant, 0 }, /* Ud */
-};
-
const char * const *mdoc_macronames = __mdoc_macronames;
const char * const *mdoc_argnames = __mdoc_argnames;
-const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
+static void mdoc_node_free(struct mdoc_node *);
+static void mdoc_node_unlink(struct mdoc *,
+ struct mdoc_node *);
+static void mdoc_free1(struct mdoc *);
+static void mdoc_alloc1(struct mdoc *);
+static struct mdoc_node *node_alloc(struct mdoc *, int, int,
+ enum mdoct, enum mdoc_type);
+static int node_append(struct mdoc *,
+ struct mdoc_node *);
+static int mdoc_ptext(struct mdoc *, int, char *, int);
+static int mdoc_pmacro(struct mdoc *, int, char *, int);
+
+const struct mdoc_node *
+mdoc_node(const struct mdoc *m)
+{
-static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
-static void argfree(size_t, struct mdoc_arg *);
-static void argcpy(struct mdoc_arg *,
- const struct mdoc_arg *);
+ assert( ! (MDOC_HALT & m->flags));
+ return(m->first);
+}
-static void mdoc_node_freelist(struct mdoc_node *);
-static int mdoc_node_append(struct mdoc *,
- struct mdoc_node *);
-static void mdoc_elem_free(struct mdoc_elem *);
-static void mdoc_text_free(struct mdoc_text *);
+const struct mdoc_meta *
+mdoc_meta(const struct mdoc *m)
+{
-const struct mdoc_node *
-mdoc_result(struct mdoc *mdoc)
+ assert( ! (MDOC_HALT & m->flags));
+ return(&m->meta);
+}
+
+
+/*
+ * Frees volatile resources (parse tree, meta-data, fields).
+ */
+static void
+mdoc_free1(struct mdoc *mdoc)
+{
+
+ if (mdoc->first)
+ mdoc_node_delete(mdoc, mdoc->first);
+ if (mdoc->meta.title)
+ free(mdoc->meta.title);
+ if (mdoc->meta.os)
+ free(mdoc->meta.os);
+ if (mdoc->meta.name)
+ free(mdoc->meta.name);
+ if (mdoc->meta.arch)
+ free(mdoc->meta.arch);
+ if (mdoc->meta.vol)
+ free(mdoc->meta.vol);
+ if (mdoc->meta.msec)
+ free(mdoc->meta.msec);
+ if (mdoc->meta.date)
+ free(mdoc->meta.date);
+}
+
+
+/*
+ * Allocate all volatile resources (parse tree, meta-data, fields).
+ */
+static void
+mdoc_alloc1(struct mdoc *mdoc)
{
- return(mdoc->first);
+ memset(&mdoc->meta, 0, sizeof(struct mdoc_meta));
+ mdoc->flags = 0;
+ mdoc->lastnamed = mdoc->lastsec = SEC_NONE;
+ mdoc->last = mandoc_calloc(1, sizeof(struct mdoc_node));
+ mdoc->first = mdoc->last;
+ mdoc->last->type = MDOC_ROOT;
+ mdoc->next = MDOC_NEXT_CHILD;
}
+/*
+ * Free up volatile resources (see mdoc_free1()) then re-initialises the
+ * data with mdoc_alloc1(). After invocation, parse data has been reset
+ * and the parser is ready for re-invocation on a new tree; however,
+ * cross-parse non-volatile data is kept intact.
+ */
+void
+mdoc_reset(struct mdoc *mdoc)
+{
+
+ mdoc_free1(mdoc);
+ mdoc_alloc1(mdoc);
+}
+
+
+/*
+ * Completely free up all volatile and non-volatile parse resources.
+ * After invocation, the pointer is no longer usable.
+ */
void
mdoc_free(struct mdoc *mdoc)
{
- if (mdoc->first)
- mdoc_node_freelist(mdoc->first);
- if (mdoc->htab)
- mdoc_tokhash_free(mdoc->htab);
-
+ mdoc_free1(mdoc);
free(mdoc);
}
+/*
+ * Allocate volatile and non-volatile parse resources.
+ */
struct mdoc *
-mdoc_alloc(void *data, const struct mdoc_cb *cb)
+mdoc_alloc(struct regset *regs, struct mparse *parse)
{
struct mdoc *p;
- p = xcalloc(1, sizeof(struct mdoc));
+ p = mandoc_calloc(1, sizeof(struct mdoc));
- p->data = data;
- (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
+ p->parse = parse;
+ p->regs = regs;
- p->htab = mdoc_tokhash_alloc();
+ mdoc_hash_init();
+ mdoc_alloc1(p);
return(p);
}
+/*
+ * Climb back up the parse tree, validating open scopes. Mostly calls
+ * through to macro_end() in macro.c.
+ */
int
-mdoc_endparse(struct mdoc *mdoc)
+mdoc_endparse(struct mdoc *m)
{
- if (MDOC_HALT & mdoc->flags)
- return(0);
- if (NULL == mdoc->first)
+ assert( ! (MDOC_HALT & m->flags));
+ if (mdoc_macroend(m))
return(1);
-
- assert(mdoc->last);
- if ( ! macro_end(mdoc)) {
- mdoc->flags |= MDOC_HALT;
- return(0);
- }
- return(1);
+ m->flags |= MDOC_HALT;
+ return(0);
}
-
int
-mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
+mdoc_addeqn(struct mdoc *m, const struct eqn *ep)
{
- int c, i;
- char tmp[5];
-
- if (MDOC_HALT & mdoc->flags)
- return(0);
-
- if ('.' != *buf) {
- if (SEC_PROLOGUE != mdoc->sec_lastn) {
- mdoc_word_alloc(mdoc, line, 0, buf);
- mdoc->next = MDOC_NEXT_SIBLING;
- return(1);
- }
- return(mdoc_perr(mdoc, line, 0, ERR_SYNTAX_NOTEXT));
- }
-
- if (buf[1] && '\\' == buf[1])
- if (buf[2] && '\"' == buf[2])
- return(1);
-
- i = 1;
- while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
- i++;
-
- if (i == (int)sizeof(tmp)) {
- mdoc->flags |= MDOC_HALT;
- return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
- } else if (i <= 2) {
- mdoc->flags |= MDOC_HALT;
- return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
- }
+ struct mdoc_node *n;
- i--;
+ assert( ! (MDOC_HALT & m->flags));
- (void)memcpy(tmp, buf + 1, (size_t)i);
- tmp[i++] = 0;
+ /* No text before an initial macro. */
- if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
- mdoc->flags |= MDOC_HALT;
- return(mdoc_perr(mdoc, line, 1, ERR_MACRO_NOTSUP));
+ if (SEC_NONE == m->lastnamed) {
+ mdoc_pmsg(m, ep->line, ep->pos, MANDOCERR_NOTEXT);
+ return(1);
}
- while (buf[i] && isspace(buf[i]))
- i++;
+ n = node_alloc(m, ep->line, ep->pos, MDOC_MAX, MDOC_EQN);
+ n->eqn = ep;
- if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
- mdoc->flags |= MDOC_HALT;
+ if ( ! node_append(m, n))
return(0);
- }
+
+ m->next = MDOC_NEXT_SIBLING;
return(1);
}
-
-void
-mdoc_msg(struct mdoc *mdoc, const char *fmt, ...)
+int
+mdoc_addspan(struct mdoc *m, const struct tbl_span *sp)
{
struct mdoc_node *n;
- va_list ap;
- char buf[256];
- if (NULL == mdoc->cb.mdoc_msg)
- return;
+ assert( ! (MDOC_HALT & m->flags));
- n = mdoc->last;
- assert(n);
+ /* No text before an initial macro. */
- va_start(ap, fmt);
- (void)vsnprintf(buf, sizeof(buf), fmt, ap);
- va_end(ap);
-
- (*mdoc->cb.mdoc_msg)(mdoc->data, n->line, n->pos, buf);
-}
+ if (SEC_NONE == m->lastnamed) {
+ mdoc_pmsg(m, sp->line, 0, MANDOCERR_NOTEXT);
+ return(1);
+ }
+ n = node_alloc(m, sp->line, 0, MDOC_MAX, MDOC_TBL);
+ n->span = sp;
-int
-mdoc_perr(struct mdoc *mdoc,
- int line, int pos, enum mdoc_err type)
-{
-
- if (NULL == mdoc->cb.mdoc_err)
+ if ( ! node_append(m, n))
return(0);
- return((*mdoc->cb.mdoc_err)(mdoc->data, line, pos, type));
+
+ m->next = MDOC_NEXT_SIBLING;
+ return(1);
}
+/*
+ * Main parse routine. Parses a single line -- really just hands off to
+ * the macro (mdoc_pmacro()) or text parser (mdoc_ptext()).
+ */
int
-mdoc_pwarn(struct mdoc *mdoc,
- int line, int pos, enum mdoc_warn type)
+mdoc_parseln(struct mdoc *m, int ln, char *buf, int offs)
{
- if (NULL == mdoc->cb.mdoc_warn)
- return(0);
- return((*mdoc->cb.mdoc_warn)(mdoc->data, line, pos, type));
-}
+ assert( ! (MDOC_HALT & m->flags));
+
+ m->flags |= MDOC_NEWLINE;
+
+ /*
+ * Let the roff nS register switch SYNOPSIS mode early,
+ * such that the parser knows at all times
+ * whether this mode is on or off.
+ * Note that this mode is also switched by the Sh macro.
+ */
+ if (m->regs->regs[(int)REG_nS].set) {
+ if (m->regs->regs[(int)REG_nS].v.u)
+ m->flags |= MDOC_SYNOPSIS;
+ else
+ m->flags &= ~MDOC_SYNOPSIS;
+ }
+ return(mandoc_getcontrol(buf, &offs) ?
+ mdoc_pmacro(m, ln, buf, offs) :
+ mdoc_ptext(m, ln, buf, offs));
+}
int
-mdoc_macro(struct mdoc *mdoc, int tok,
- int ln, int ppos, int *pos, char *buf)
+mdoc_macro(MACRO_PROT_ARGS)
{
+ assert(tok < MDOC_MAX);
- if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
- SEC_PROLOGUE == mdoc->sec_lastn)
- return(mdoc_perr(mdoc, ln, ppos, ERR_SEC_PROLOGUE));
+ /* If we're in the body, deny prologue calls. */
- if (NULL == (mdoc_macros[tok].fp))
- return(mdoc_perr(mdoc, ln, ppos, ERR_MACRO_NOTSUP));
+ if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
+ MDOC_PBODY & m->flags) {
+ mdoc_pmsg(m, line, ppos, MANDOCERR_BADBODY);
+ return(1);
+ }
- if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
- return(mdoc_perr(mdoc, ln, ppos, ERR_MACRO_NOTCALL));
+ /* If we're in the prologue, deny "body" macros. */
+
+ if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
+ ! (MDOC_PBODY & m->flags)) {
+ mdoc_pmsg(m, line, ppos, MANDOCERR_BADPROLOG);
+ if (NULL == m->meta.msec)
+ m->meta.msec = mandoc_strdup("1");
+ if (NULL == m->meta.title)
+ m->meta.title = mandoc_strdup("UNKNOWN");
+ if (NULL == m->meta.vol)
+ m->meta.vol = mandoc_strdup("LOCAL");
+ if (NULL == m->meta.os)
+ m->meta.os = mandoc_strdup("LOCAL");
+ if (NULL == m->meta.date)
+ m->meta.date = mandoc_normdate
+ (m->parse, NULL, line, ppos);
+ m->flags |= MDOC_PBODY;
+ }
- return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
+ return((*mdoc_macros[tok].fp)(m, tok, line, ppos, pos, buf));
}
static int
-mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
+node_append(struct mdoc *mdoc, struct mdoc_node *p)
{
- const char *nn, *on, *nt, *ot, *act;
- switch (p->type) {
- case (MDOC_TEXT):
- nn = p->data.text.string;
- nt = "text";
- break;
- case (MDOC_BODY):
- nn = mdoc_macronames[p->data.body.tok];
- nt = "body";
- break;
- case (MDOC_ELEM):
- nn = mdoc_macronames[p->data.elem.tok];
- nt = "elem";
- break;
- case (MDOC_HEAD):
- nn = mdoc_macronames[p->data.head.tok];
- nt = "head";
- break;
- case (MDOC_TAIL):
- nn = mdoc_macronames[p->data.tail.tok];
- nt = "tail";
+ assert(mdoc->last);
+ assert(mdoc->first);
+ assert(MDOC_ROOT != p->type);
+
+ switch (mdoc->next) {
+ case (MDOC_NEXT_SIBLING):
+ mdoc->last->next = p;
+ p->prev = mdoc->last;
+ p->parent = mdoc->last->parent;
break;
- case (MDOC_BLOCK):
- nn = mdoc_macronames[p->data.block.tok];
- nt = "block";
+ case (MDOC_NEXT_CHILD):
+ mdoc->last->child = p;
+ p->parent = mdoc->last;
break;
default:
abort();
/* NOTREACHED */
}
- if (NULL == mdoc->first) {
- assert(NULL == mdoc->last);
- if ( ! mdoc_valid_pre(mdoc, p))
- return(0);
- if ( ! mdoc_action_pre(mdoc, p))
- return(0);
- mdoc->first = p;
- mdoc->last = p;
- mdoc_msg(mdoc, "parse: root %s `%s'", nt, nn);
- return(1);
- }
+ p->parent->nchild++;
- switch (mdoc->last->type) {
- case (MDOC_TEXT):
- on = "<text>";
- ot = "text";
- break;
+ /*
+ * Copy over the normalised-data pointer of our parent. Not
+ * everybody has one, but copying a null pointer is fine.
+ */
+
+ switch (p->type) {
case (MDOC_BODY):
- on = mdoc_macronames[mdoc->last->data.body.tok];
- ot = "body";
+ /* FALLTHROUGH */
+ case (MDOC_TAIL):
+ /* FALLTHROUGH */
+ case (MDOC_HEAD):
+ p->norm = p->parent->norm;
break;
- case (MDOC_ELEM):
- on = mdoc_macronames[mdoc->last->data.elem.tok];
- ot = "elem";
+ default:
break;
+ }
+
+ if ( ! mdoc_valid_pre(mdoc, p))
+ return(0);
+
+ switch (p->type) {
case (MDOC_HEAD):
- on = mdoc_macronames[mdoc->last->data.head.tok];
- ot = "head";
+ assert(MDOC_BLOCK == p->parent->type);
+ p->parent->head = p;
break;
case (MDOC_TAIL):
- on = mdoc_macronames[mdoc->last->data.tail.tok];
- ot = "tail";
+ assert(MDOC_BLOCK == p->parent->type);
+ p->parent->tail = p;
break;
- case (MDOC_BLOCK):
- on = mdoc_macronames[mdoc->last->data.block.tok];
- ot = "block";
+ case (MDOC_BODY):
+ if (p->end)
+ break;
+ assert(MDOC_BLOCK == p->parent->type);
+ p->parent->body = p;
break;
default:
- abort();
- /* NOTREACHED */
+ break;
}
- switch (mdoc->next) {
- case (MDOC_NEXT_SIBLING):
- mdoc->last->next = p;
- p->prev = mdoc->last;
- p->parent = mdoc->last->parent;
- act = "sibling";
- break;
- case (MDOC_NEXT_CHILD):
- mdoc->last->child = p;
- p->parent = mdoc->last;
- act = "child";
+ mdoc->last = p;
+
+ switch (p->type) {
+ case (MDOC_TBL):
+ /* FALLTHROUGH */
+ case (MDOC_TEXT):
+ if ( ! mdoc_valid_post(mdoc))
+ return(0);
break;
default:
- abort();
- /* NOTREACHED */
+ break;
}
- if ( ! mdoc_valid_pre(mdoc, p))
- return(0);
- if ( ! mdoc_action_pre(mdoc, p))
- return(0);
- mdoc->last = p;
- mdoc_msg(mdoc, "parse: %s of %s `%s'", act, ot, on);
return(1);
}
-int
-mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
+static struct mdoc_node *
+node_alloc(struct mdoc *m, int line, int pos,
+ enum mdoct tok, enum mdoc_type type)
{
struct mdoc_node *p;
- assert(mdoc->first);
- assert(mdoc->last);
-
- p = xcalloc(1, sizeof(struct mdoc_node));
-
+ p = mandoc_calloc(1, sizeof(struct mdoc_node));
+ p->sec = m->lastsec;
p->line = line;
p->pos = pos;
- p->type = MDOC_TAIL;
- p->data.tail.tok = tok;
+ p->tok = tok;
+ p->type = type;
+
+ /* Flag analysis. */
+
+ if (MDOC_SYNOPSIS & m->flags)
+ p->flags |= MDOC_SYNPRETTY;
+ else
+ p->flags &= ~MDOC_SYNPRETTY;
+ if (MDOC_NEWLINE & m->flags)
+ p->flags |= MDOC_LINE;
+ m->flags &= ~MDOC_NEWLINE;
- return(mdoc_node_append(mdoc, p));
+ return(p);
}
int
-mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
+mdoc_tail_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
{
struct mdoc_node *p;
- assert(mdoc->first);
- assert(mdoc->last);
+ p = node_alloc(m, line, pos, tok, MDOC_TAIL);
+ if ( ! node_append(m, p))
+ return(0);
+ m->next = MDOC_NEXT_CHILD;
+ return(1);
+}
- p = xcalloc(1, sizeof(struct mdoc_node));
- p->line = line;
- p->pos = pos;
- p->type = MDOC_HEAD;
- p->data.head.tok = tok;
+int
+mdoc_head_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
+{
+ struct mdoc_node *p;
+
+ assert(m->first);
+ assert(m->last);
- return(mdoc_node_append(mdoc, p));
+ p = node_alloc(m, line, pos, tok, MDOC_HEAD);
+ if ( ! node_append(m, p))
+ return(0);
+ m->next = MDOC_NEXT_CHILD;
+ return(1);
}
int
-mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
+mdoc_body_alloc(struct mdoc *m, int line, int pos, enum mdoct tok)
{
struct mdoc_node *p;
- assert(mdoc->first);
- assert(mdoc->last);
+ p = node_alloc(m, line, pos, tok, MDOC_BODY);
+ if ( ! node_append(m, p))
+ return(0);
+ m->next = MDOC_NEXT_CHILD;
+ return(1);
+}
- p = xcalloc(1, sizeof(struct mdoc_node));
- p->line = line;
- p->pos = pos;
- p->type = MDOC_BODY;
- p->data.body.tok = tok;
+int
+mdoc_endbody_alloc(struct mdoc *m, int line, int pos, enum mdoct tok,
+ struct mdoc_node *body, enum mdoc_endbody end)
+{
+ struct mdoc_node *p;
- return(mdoc_node_append(mdoc, p));
+ p = node_alloc(m, line, pos, tok, MDOC_BODY);
+ p->pending = body;
+ p->end = end;
+ if ( ! node_append(m, p))
+ return(0);
+ m->next = MDOC_NEXT_SIBLING;
+ return(1);
}
int
-mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
- int tok, size_t argsz, const struct mdoc_arg *args)
+mdoc_block_alloc(struct mdoc *m, int line, int pos,
+ enum mdoct tok, struct mdoc_arg *args)
{
struct mdoc_node *p;
- p = xcalloc(1, sizeof(struct mdoc_node));
-
- p->pos = pos;
- p->line = line;
- p->type = MDOC_BLOCK;
- p->data.block.tok = tok;
- p->data.block.argc = argsz;
- p->data.block.argv = argdup(argsz, args);
+ p = node_alloc(m, line, pos, tok, MDOC_BLOCK);
+ p->args = args;
+ if (p->args)
+ (args->refcnt)++;
+
+ switch (tok) {
+ case (MDOC_Bd):
+ /* FALLTHROUGH */
+ case (MDOC_Bf):
+ /* FALLTHROUGH */
+ case (MDOC_Bl):
+ /* FALLTHROUGH */
+ case (MDOC_Rs):
+ p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
+ break;
+ default:
+ break;
+ }
- return(mdoc_node_append(mdoc, p));
+ if ( ! node_append(m, p))
+ return(0);
+ m->next = MDOC_NEXT_CHILD;
+ return(1);
}
int
-mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
- int tok, size_t argsz, const struct mdoc_arg *args)
+mdoc_elem_alloc(struct mdoc *m, int line, int pos,
+ enum mdoct tok, struct mdoc_arg *args)
{
struct mdoc_node *p;
- p = xcalloc(1, sizeof(struct mdoc_node));
+ p = node_alloc(m, line, pos, tok, MDOC_ELEM);
+ p->args = args;
+ if (p->args)
+ (args->refcnt)++;
- p->line = line;
- p->pos = pos;
- p->type = MDOC_ELEM;
- p->data.elem.tok = tok;
- p->data.elem.argc = argsz;
- p->data.elem.argv = argdup(argsz, args);
+ switch (tok) {
+ case (MDOC_An):
+ p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
+ break;
+ default:
+ break;
+ }
- return(mdoc_node_append(mdoc, p));
+ if ( ! node_append(m, p))
+ return(0);
+ m->next = MDOC_NEXT_CHILD;
+ return(1);
}
-
int
-mdoc_word_alloc(struct mdoc *mdoc,
- int line, int pos, const char *word)
+mdoc_word_alloc(struct mdoc *m, int line, int pos, const char *p)
{
- struct mdoc_node *p;
+ struct mdoc_node *n;
+ size_t sv, len;
- p = xcalloc(1, sizeof(struct mdoc_node));
- p->line = line;
- p->pos = pos;
- p->type = MDOC_TEXT;
- p->data.text.string = xstrdup(word);
+ len = strlen(p);
+
+ n = node_alloc(m, line, pos, MDOC_MAX, MDOC_TEXT);
+ n->string = mandoc_malloc(len + 1);
+ sv = strlcpy(n->string, p, len + 1);
- return(mdoc_node_append(mdoc, p));
+ /* Prohibit truncation. */
+ assert(sv < len + 1);
+
+ if ( ! node_append(m, n))
+ return(0);
+
+ m->next = MDOC_NEXT_SIBLING;
+ return(1);
}
static void
-argfree(size_t sz, struct mdoc_arg *p)
+mdoc_node_free(struct mdoc_node *p)
{
- int i, j;
- if (0 == sz)
- return;
-
- assert(p);
- /* LINTED */
- for (i = 0; i < (int)sz; i++)
- if (p[i].sz > 0) {
- assert(p[i].value);
- /* LINTED */
- for (j = 0; j < (int)p[i].sz; j++)
- free(p[i].value[j]);
- free(p[i].value);
- }
+ if (MDOC_BLOCK == p->type || MDOC_ELEM == p->type)
+ free(p->norm);
+ if (p->string)
+ free(p->string);
+ if (p->args)
+ mdoc_argv_free(p->args);
free(p);
}
static void
-mdoc_elem_free(struct mdoc_elem *p)
+mdoc_node_unlink(struct mdoc *m, struct mdoc_node *n)
{
- argfree(p->argc, p->argv);
-}
+ /* Adjust siblings. */
+ if (n->prev)
+ n->prev->next = n->next;
+ if (n->next)
+ n->next->prev = n->prev;
-static void
-mdoc_block_free(struct mdoc_block *p)
-{
+ /* Adjust parent. */
- argfree(p->argc, p->argv);
-}
+ if (n->parent) {
+ n->parent->nchild--;
+ if (n->parent->child == n)
+ n->parent->child = n->prev ? n->prev : n->next;
+ if (n->parent->last == n)
+ n->parent->last = n->prev ? n->prev : NULL;
+ }
+ /* Adjust parse point, if applicable. */
-static void
-mdoc_text_free(struct mdoc_text *p)
-{
+ if (m && m->last == n) {
+ if (n->prev) {
+ m->last = n->prev;
+ m->next = MDOC_NEXT_SIBLING;
+ } else {
+ m->last = n->parent;
+ m->next = MDOC_NEXT_CHILD;
+ }
+ }
- if (p->string)
- free(p->string);
+ if (m && m->first == n)
+ m->first = NULL;
}
void
-mdoc_node_free(struct mdoc_node *p)
+mdoc_node_delete(struct mdoc *m, struct mdoc_node *p)
{
- switch (p->type) {
- case (MDOC_TEXT):
- mdoc_text_free(&p->data.text);
- break;
- case (MDOC_ELEM):
- mdoc_elem_free(&p->data.elem);
- break;
- case (MDOC_BLOCK):
- mdoc_block_free(&p->data.block);
- break;
- default:
- break;
+ while (p->child) {
+ assert(p->nchild);
+ mdoc_node_delete(m, p->child);
}
+ assert(0 == p->nchild);
- free(p);
+ mdoc_node_unlink(m, p);
+ mdoc_node_free(p);
}
-static void
-mdoc_node_freelist(struct mdoc_node *p)
+/*
+ * Parse free-form text, that is, a line that does not begin with the
+ * control character.
+ */
+static int
+mdoc_ptext(struct mdoc *m, int line, char *buf, int offs)
{
+ char *c, *ws, *end;
+ struct mdoc_node *n;
- if (p->child)
- mdoc_node_freelist(p->child);
- if (p->next)
- mdoc_node_freelist(p->next);
+ /* No text before an initial macro. */
- mdoc_node_free(p);
-}
+ if (SEC_NONE == m->lastnamed) {
+ mdoc_pmsg(m, line, offs, MANDOCERR_NOTEXT);
+ return(1);
+ }
+ assert(m->last);
+ n = m->last;
+
+ /*
+ * Divert directly to list processing if we're encountering a
+ * columnar MDOC_BLOCK with or without a prior MDOC_BLOCK entry
+ * (a MDOC_BODY means it's already open, in which case we should
+ * process within its context in the normal way).
+ */
+
+ if (MDOC_Bl == n->tok && MDOC_BODY == n->type &&
+ LIST_column == n->norm->Bl.type) {
+ /* `Bl' is open without any children. */
+ m->flags |= MDOC_FREECOL;
+ return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf));
+ }
-int
-mdoc_find(const struct mdoc *mdoc, const char *key)
-{
+ if (MDOC_It == n->tok && MDOC_BLOCK == n->type &&
+ NULL != n->parent &&
+ MDOC_Bl == n->parent->tok &&
+ LIST_column == n->parent->norm->Bl.type) {
+ /* `Bl' has block-level `It' children. */
+ m->flags |= MDOC_FREECOL;
+ return(mdoc_macro(m, MDOC_It, line, offs, &offs, buf));
+ }
- return(mdoc_tokhash_find(mdoc->htab, key));
-}
+ /*
+ * Search for the beginning of unescaped trailing whitespace (ws)
+ * and for the first character not to be output (end).
+ */
+
+ /* FIXME: replace with strcspn(). */
+ ws = NULL;
+ for (c = end = buf + offs; *c; c++) {
+ switch (*c) {
+ case '-':
+ if (mandoc_hyph(buf + offs, c))
+ *c = ASCII_HYPH;
+ ws = NULL;
+ break;
+ case ' ':
+ if (NULL == ws)
+ ws = c;
+ continue;
+ case '\t':
+ /*
+ * Always warn about trailing tabs,
+ * even outside literal context,
+ * where they should be put on the next line.
+ */
+ if (NULL == ws)
+ ws = c;
+ /*
+ * Strip trailing tabs in literal context only;
+ * outside, they affect the next line.
+ */
+ if (MDOC_LITERAL & m->flags)
+ continue;
+ break;
+ case '\\':
+ /* Skip the escaped character, too, if any. */
+ if (c[1])
+ c++;
+ /* FALLTHROUGH */
+ default:
+ ws = NULL;
+ break;
+ }
+ end = c + 1;
+ }
+ *end = '\0';
+ if (ws)
+ mdoc_pmsg(m, line, (int)(ws-buf), MANDOCERR_EOLNSPACE);
-static void
-argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
-{
- int i;
-
- dst->arg = src->arg;
- if (0 == (dst->sz = src->sz))
- return;
- dst->value = xcalloc(dst->sz, sizeof(char *));
- for (i = 0; i < (int)dst->sz; i++)
- dst->value[i] = xstrdup(src->value[i]);
+ if ('\0' == buf[offs] && ! (MDOC_LITERAL & m->flags)) {
+ mdoc_pmsg(m, line, (int)(c-buf), MANDOCERR_NOBLANKLN);
+
+ /*
+ * Insert a `sp' in the case of a blank line. Technically,
+ * blank lines aren't allowed, but enough manuals assume this
+ * behaviour that we want to work around it.
+ */
+ if ( ! mdoc_elem_alloc(m, line, offs, MDOC_sp, NULL))
+ return(0);
+
+ m->next = MDOC_NEXT_SIBLING;
+ return(1);
+ }
+
+ if ( ! mdoc_word_alloc(m, line, offs, buf+offs))
+ return(0);
+
+ if (MDOC_LITERAL & m->flags)
+ return(1);
+
+ /*
+ * End-of-sentence check. If the last character is an unescaped
+ * EOS character, then flag the node as being the end of a
+ * sentence. The front-end will know how to interpret this.
+ */
+
+ assert(buf < end);
+
+ if (mandoc_eos(buf+offs, (size_t)(end-buf-offs), 0))
+ m->last->flags |= MDOC_EOS;
+
+ return(1);
}
-static struct mdoc_arg *
-argdup(size_t argsz, const struct mdoc_arg *args)
+/*
+ * Parse a macro line, that is, a line beginning with the control
+ * character.
+ */
+static int
+mdoc_pmacro(struct mdoc *m, int ln, char *buf, int offs)
{
- struct mdoc_arg *pp;
- int i;
+ enum mdoct tok;
+ int i, sv;
+ char mac[5];
+ struct mdoc_node *n;
+
+ /* Empty post-control lines are ignored. */
- if (0 == argsz)
- return(NULL);
+ if ('"' == buf[offs]) {
+ mdoc_pmsg(m, ln, offs, MANDOCERR_BADCOMMENT);
+ return(1);
+ } else if ('\0' == buf[offs])
+ return(1);
+
+ sv = offs;
+
+ /*
+ * Copy the first word into a nil-terminated buffer.
+ * Stop copying when a tab, space, or eoln is encountered.
+ */
+
+ i = 0;
+ while (i < 4 && '\0' != buf[offs] &&
+ ' ' != buf[offs] && '\t' != buf[offs])
+ mac[i++] = buf[offs++];
+
+ mac[i] = '\0';
+
+ tok = (i > 1 || i < 4) ? mdoc_hash_find(mac) : MDOC_MAX;
+
+ if (MDOC_MAX == tok) {
+ mandoc_vmsg(MANDOCERR_MACRO, m->parse,
+ ln, sv, "%s", buf + sv - 1);
+ return(1);
+ }
+
+ /* Disregard the first trailing tab, if applicable. */
+
+ if ('\t' == buf[offs])
+ offs++;
+
+ /* Jump to the next non-whitespace word. */
+
+ while (buf[offs] && ' ' == buf[offs])
+ offs++;
+
+ /*
+ * Trailing whitespace. Note that tabs are allowed to be passed
+ * into the parser as "text", so we only warn about spaces here.
+ */
+
+ if ('\0' == buf[offs] && ' ' == buf[offs - 1])
+ mdoc_pmsg(m, ln, offs - 1, MANDOCERR_EOLNSPACE);
+
+ /*
+ * If an initial macro or a list invocation, divert directly
+ * into macro processing.
+ */
+
+ if (NULL == m->last || MDOC_It == tok || MDOC_El == tok) {
+ if ( ! mdoc_macro(m, tok, ln, sv, &offs, buf))
+ goto err;
+ return(1);
+ }
- pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
- for (i = 0; i < (int)argsz; i++)
- argcpy(&pp[i], &args[i]);
+ n = m->last;
+ assert(m->last);
- return(pp);
+ /*
+ * If the first macro of a `Bl -column', open an `It' block
+ * context around the parsed macro.
+ */
+
+ if (MDOC_Bl == n->tok && MDOC_BODY == n->type &&
+ LIST_column == n->norm->Bl.type) {
+ m->flags |= MDOC_FREECOL;
+ if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf))
+ goto err;
+ return(1);
+ }
+
+ /*
+ * If we're following a block-level `It' within a `Bl -column'
+ * context (perhaps opened in the above block or in ptext()),
+ * then open an `It' block context around the parsed macro.
+ */
+
+ if (MDOC_It == n->tok && MDOC_BLOCK == n->type &&
+ NULL != n->parent &&
+ MDOC_Bl == n->parent->tok &&
+ LIST_column == n->parent->norm->Bl.type) {
+ m->flags |= MDOC_FREECOL;
+ if ( ! mdoc_macro(m, MDOC_It, ln, sv, &sv, buf))
+ goto err;
+ return(1);
+ }
+
+ /* Normal processing of a macro. */
+
+ if ( ! mdoc_macro(m, tok, ln, sv, &offs, buf))
+ goto err;
+
+ return(1);
+
+err: /* Error out. */
+
+ m->flags |= MDOC_HALT;
+ return(0);
}
+enum mdelim
+mdoc_isdelim(const char *p)
+{
+
+ if ('\0' == p[0])
+ return(DELIM_NONE);
+
+ if ('\0' == p[1])
+ switch (p[0]) {
+ case('('):
+ /* FALLTHROUGH */
+ case('['):
+ return(DELIM_OPEN);
+ case('|'):
+ return(DELIM_MIDDLE);
+ case('.'):
+ /* FALLTHROUGH */
+ case(','):
+ /* FALLTHROUGH */
+ case(';'):
+ /* FALLTHROUGH */
+ case(':'):
+ /* FALLTHROUGH */
+ case('?'):
+ /* FALLTHROUGH */
+ case('!'):
+ /* FALLTHROUGH */
+ case(')'):
+ /* FALLTHROUGH */
+ case(']'):
+ return(DELIM_CLOSE);
+ default:
+ return(DELIM_NONE);
+ }
+
+ if ('\\' != p[0])
+ return(DELIM_NONE);
+
+ if (0 == strcmp(p + 1, "."))
+ return(DELIM_CLOSE);
+ if (0 == strcmp(p + 1, "*(Ba"))
+ return(DELIM_MIDDLE);
+
+ return(DELIM_NONE);
+}
git.ckatri.com / mandoc.git / blobdiff