-/* $Id: man_macro.c,v 1.100 2015/03/20 14:47:52 schwarze Exp $ */
+/* $Id: man_macro.c,v 1.114 2016/01/08 17:48:09 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2012, 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
* 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
#include <stdlib.h>
#include <string.h>
-#include "man.h"
#include "mandoc.h"
+#include "roff.h"
+#include "man.h"
#include "libmandoc.h"
+#include "roff_int.h"
#include "libman.h"
-enum rew {
- REW_REWIND,
- REW_NOHALT,
- REW_HALT
-};
-
static void blk_close(MACRO_PROT_ARGS);
static void blk_exp(MACRO_PROT_ARGS);
static void blk_imp(MACRO_PROT_ARGS);
static void in_line_eoln(MACRO_PROT_ARGS);
-static int man_args(struct man *, int,
+static int man_args(struct roff_man *, int,
int *, char *, char **);
-
-static void rew_scope(enum man_type,
- struct man *, enum mant);
-static enum rew rew_dohalt(enum mant, enum man_type,
- const struct man_node *);
-static enum rew rew_block(enum mant, enum man_type,
- const struct man_node *);
+static void rew_scope(struct roff_man *, int);
const struct man_macro __man_macros[MAN_MAX] = {
{ in_line_eoln, MAN_NSCOPED }, /* br */
{ in_line_eoln, 0 }, /* IR */
{ in_line_eoln, 0 }, /* RI */
{ in_line_eoln, MAN_NSCOPED }, /* sp */
- { in_line_eoln, MAN_BSCOPE }, /* nf */
- { in_line_eoln, MAN_BSCOPE }, /* fi */
+ { in_line_eoln, MAN_NSCOPED }, /* nf */
+ { in_line_eoln, MAN_NSCOPED }, /* fi */
{ blk_close, MAN_BSCOPE }, /* RE */
{ blk_exp, MAN_BSCOPE }, /* RS */
{ in_line_eoln, 0 }, /* DT */
void
-man_unscope(struct man *man, const struct man_node *to)
+man_unscope(struct roff_man *man, const struct roff_node *to)
{
- struct man_node *n;
+ struct roff_node *n;
to = to->parent;
n = man->last;
if (man->flags & MAN_ELINE)
man->flags &= ~MAN_ELINE;
else {
- assert(n->type == MAN_HEAD);
+ assert(n->type == ROFFT_HEAD);
n = n->parent;
man->flags &= ~MAN_BLINE;
}
man->last = n;
n = n->parent;
- man_node_delete(man, man->last);
+ roff_node_delete(man, man->last);
continue;
}
- if (n->type == MAN_BLOCK &&
+ if (n->type == ROFFT_BLOCK &&
man_macros[n->tok].fp == blk_exp)
mandoc_msg(MANDOCERR_BLK_NOEND,
man->parse, n->line, n->pos,
man->last = n;
n = n->parent;
- man_valid_post(man);
+ man->last->flags |= MAN_VALID;
}
/*
*/
man->next = (man->last == to) ?
- MAN_NEXT_CHILD : MAN_NEXT_SIBLING;
-}
-
-static enum rew
-rew_block(enum mant ntok, enum man_type type, const struct man_node *n)
-{
-
- if (type == MAN_BLOCK && ntok == n->parent->tok &&
- n->parent->type == MAN_BODY)
- return(REW_REWIND);
- return(ntok == n->tok ? REW_HALT : REW_NOHALT);
-}
-
-/*
- * There are three scope levels: scoped to the root (all), scoped to the
- * section (all less sections), and scoped to subsections (all less
- * sections and subsections).
- */
-static enum rew
-rew_dohalt(enum mant tok, enum man_type type, const struct man_node *n)
-{
- enum rew c;
-
- /* We cannot progress beyond the root ever. */
- if (MAN_ROOT == n->type)
- return(REW_HALT);
-
- assert(n->parent);
-
- /* Normal nodes shouldn't go to the level of the root. */
- if (MAN_ROOT == n->parent->type)
- return(REW_REWIND);
-
- /* Already-validated nodes should be closed out. */
- if (MAN_VALID & n->flags)
- return(REW_NOHALT);
-
- /* First: rewind to ourselves. */
- if (type == n->type && tok == n->tok) {
- if (man_macros[n->tok].fp == blk_exp)
- return(REW_HALT);
- else
- return(REW_REWIND);
- }
-
- /*
- * Next follow the implicit scope-smashings as defined by man.7:
- * section, sub-section, etc.
- */
-
- switch (tok) {
- case MAN_SH:
- break;
- case MAN_SS:
- /* Rewind to a section, if a block. */
- if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
- return(c);
- break;
- case MAN_RS:
- /* Preserve empty paragraphs before RS. */
- if (0 == n->nchild && (MAN_P == n->tok ||
- MAN_PP == n->tok || MAN_LP == n->tok))
- return(REW_HALT);
- /* Rewind to a subsection, if a block. */
- if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
- return(c);
- /* Rewind to a section, if a block. */
- if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
- return(c);
- break;
- default:
- /* Rewind to an offsetter, if a block. */
- if (REW_NOHALT != (c = rew_block(MAN_RS, type, n)))
- return(c);
- /* Rewind to a subsection, if a block. */
- if (REW_NOHALT != (c = rew_block(MAN_SS, type, n)))
- return(c);
- /* Rewind to a section, if a block. */
- if (REW_NOHALT != (c = rew_block(MAN_SH, type, n)))
- return(c);
- break;
- }
-
- return(REW_NOHALT);
+ ROFF_NEXT_CHILD : ROFF_NEXT_SIBLING;
}
/*
* scopes. When a scope is closed, it must be validated and actioned.
*/
static void
-rew_scope(enum man_type type, struct man *man, enum mant tok)
+rew_scope(struct roff_man *man, int tok)
{
- struct man_node *n;
- enum rew c;
+ struct roff_node *n;
- for (n = man->last; n; n = n->parent) {
- /*
- * Whether we should stop immediately (REW_HALT), stop
- * and rewind until this point (REW_REWIND), or keep
- * rewinding (REW_NOHALT).
- */
- c = rew_dohalt(tok, type, n);
- if (REW_HALT == c)
- return;
- if (REW_REWIND == c)
- break;
- }
+ /* Preserve empty paragraphs before RS. */
- /*
- * Rewind until the current point. Warn if we're a roff
- * instruction that's mowing over explicit scopes.
- */
+ n = man->last;
+ if (tok == MAN_RS && n->child == NULL &&
+ (n->tok == MAN_P || n->tok == MAN_PP || n->tok == MAN_LP))
+ return;
- man_unscope(man, n);
+ for (;;) {
+ if (n->type == ROFFT_ROOT)
+ return;
+ if (n->flags & MAN_VALID) {
+ n = n->parent;
+ continue;
+ }
+ if (n->type != ROFFT_BLOCK) {
+ if (n->parent->type == ROFFT_ROOT) {
+ man_unscope(man, n);
+ return;
+ } else {
+ n = n->parent;
+ continue;
+ }
+ }
+ if (tok != MAN_SH && (n->tok == MAN_SH ||
+ (tok != MAN_SS && (n->tok == MAN_SS ||
+ man_macros[n->tok].fp == blk_exp))))
+ return;
+ man_unscope(man, n);
+ n = man->last;
+ }
}
void
blk_close(MACRO_PROT_ARGS)
{
- enum mant ntok;
- const struct man_node *nn;
+ int ntok;
+ const struct roff_node *nn;
char *p;
int nrew, target;
if ( ! man_args(man, line, pos, buf, &p))
break;
for (nn = man->last->parent; nn; nn = nn->parent)
- if (nn->tok == ntok && nn->type == MAN_BLOCK)
+ if (nn->tok == ntok && nn->type == ROFFT_BLOCK)
nrew++;
target = strtol(p, &p, 10);
if (*p != '\0')
break;
default:
abort();
- /* NOTREACHED */
}
for (nn = man->last->parent; nn; nn = nn->parent)
- if (nn->tok == ntok && nn->type == MAN_BLOCK && ! --nrew)
+ if (nn->tok == ntok && nn->type == ROFFT_BLOCK && ! --nrew)
break;
if (nn == NULL) {
mandoc_msg(MANDOCERR_BLK_NOTOPEN, man->parse,
line, ppos, man_macronames[tok]);
- rew_scope(MAN_BLOCK, man, MAN_PP);
+ rew_scope(man, MAN_PP);
} else {
line = man->last->line;
ppos = man->last->pos;
void
blk_exp(MACRO_PROT_ARGS)
{
- struct man_node *head;
+ struct roff_node *head;
char *p;
int la;
- rew_scope(MAN_BLOCK, man, tok);
- man_block_alloc(man, line, ppos, tok);
- man_head_alloc(man, line, ppos, tok);
- head = man->last;
+ rew_scope(man, tok);
+ roff_block_alloc(man, line, ppos, tok);
+ head = roff_head_alloc(man, line, ppos, tok);
la = *pos;
if (man_args(man, line, pos, buf, &p))
- man_word_alloc(man, line, la, p);
+ roff_word_alloc(man, line, la, p);
if (buf[*pos] != '\0')
mandoc_vmsg(MANDOCERR_ARG_EXCESS,
man_macronames[tok], buf + *pos);
man_unscope(man, head);
- man_body_alloc(man, line, ppos, tok);
+ roff_body_alloc(man, line, ppos, tok);
}
/*
- * Parse an implicit-block macro. These contain a MAN_HEAD and a
- * MAN_BODY contained within a MAN_BLOCK. Rules for closing out other
+ * Parse an implicit-block macro. These contain a ROFFT_HEAD and a
+ * ROFFT_BODY contained within a ROFFT_BLOCK. Rules for closing out other
* scopes, such as `SH' closing out an `SS', are defined in the rew
* routines.
*/
{
int la;
char *p;
- struct man_node *n;
+ struct roff_node *n;
- rew_scope(MAN_BODY, man, tok);
- rew_scope(MAN_BLOCK, man, tok);
- man_block_alloc(man, line, ppos, tok);
- man_head_alloc(man, line, ppos, tok);
- n = man->last;
+ rew_scope(man, tok);
+ n = roff_block_alloc(man, line, ppos, tok);
+ if (n->tok == MAN_SH || n->tok == MAN_SS)
+ man->flags &= ~MAN_LITERAL;
+ n = roff_head_alloc(man, line, ppos, tok);
/* Add line arguments. */
la = *pos;
if ( ! man_args(man, line, pos, buf, &p))
break;
- man_word_alloc(man, line, la, p);
+ roff_word_alloc(man, line, la, p);
}
/*
/* Close out the head and open the body. */
- rew_scope(MAN_HEAD, man, tok);
- man_body_alloc(man, line, ppos, tok);
+ man_unscope(man, n);
+ roff_body_alloc(man, line, ppos, tok);
}
void
{
int la;
char *p;
- struct man_node *n;
+ struct roff_node *n;
- man_elem_alloc(man, line, ppos, tok);
+ roff_elem_alloc(man, line, ppos, tok);
n = man->last;
for (;;) {
if ( ! man_args(man, line, pos, buf, &p))
break;
if (man_macros[tok].flags & MAN_JOIN &&
- man->last->type == MAN_TEXT)
- man_word_append(man, p);
+ man->last->type == ROFFT_TEXT)
+ roff_word_append(man, p);
else
- man_word_alloc(man, line, la, p);
+ roff_word_alloc(man, line, la, p);
}
/*
return;
}
- assert(man->last->type != MAN_ROOT);
- man->next = MAN_NEXT_SIBLING;
+ assert(man->last->type != ROFFT_ROOT);
+ man->next = ROFF_NEXT_SIBLING;
- /*
- * Rewind our element scope. Note that when TH is pruned, we'll
- * be back at the root, so make sure that we don't clobber as
- * its sibling.
- */
+ /* Rewind our element scope. */
for ( ; man->last; man->last = man->last->parent) {
+ man_state(man, man->last);
if (man->last == n)
break;
- if (man->last->type == MAN_ROOT)
- break;
- man_valid_post(man);
}
-
- assert(man->last);
-
- /*
- * Same here regarding whether we're back at the root.
- */
-
- if (man->last->type != MAN_ROOT)
- man_valid_post(man);
}
-
void
-man_macroend(struct man *man)
+man_endparse(struct roff_man *man)
{
man_unscope(man, man->first);
+ man->flags &= ~MAN_LITERAL;
}
static int
-man_args(struct man *man, int line, int *pos, char *buf, char **v)
+man_args(struct roff_man *man, int line, int *pos, char *buf, char **v)
{
char *start;
assert(' ' != *start);
if ('\0' == *start)
- return(0);
+ return 0;
*v = mandoc_getarg(man->parse, v, line, pos);
- return(1);
+ return 1;
}
git.ckatri.com / mandoc.git / blobdiff