예제 #1
0
/*
 * 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 void
phrase_ta(MACRO_PROT_ARGS)
{
	struct roff_node *body, *n;

	/* Make sure we are in a column list or ignore this macro. */

	body = NULL;
	for (n = mdoc->last; n != NULL; n = n->parent) {
		if (n->flags & MDOC_ENDED)
			continue;
		if (n->tok == MDOC_It && n->type == ROFFT_BODY)
			body = n;
		if (n->tok == MDOC_Bl)
			break;
	}

	if (n == NULL || n->norm->Bl.type != LIST_column) {
		mandoc_msg(MANDOCERR_TA_STRAY, mdoc->parse,
		    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);
}
예제 #2
0
static void
in_line_eoln(MACRO_PROT_ARGS)
{
	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);
	}

	if (buf[*pos] == '\0' &&
	    (tok == MDOC_Fd || mdoc_macronames[tok][0] == '%')) {
		mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
		    line, ppos, mdoc_macronames[tok]);
		return;
	}

	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);
}
예제 #3
0
파일: parse_act.c 프로젝트: Aiscky/Zappy
void		my_parse_other(char *str, int n, t_server *s_info)
{
  if (strcmp("expulse", str) == 0)
    my_expulse(n, s_info);
  else if (strcmp("connect_nbr", str) == 0)
    my_connectnbr(n, s_info);
  else
    parse_rest(str, n, s_info);
}
예제 #4
0
static void
blk_full(MACRO_PROT_ARGS)
{
	int		  la, nl, parsed;
	struct mdoc_arg	 *arg;
	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;
	enum margserr	  ac, lac;
	char		 *p;

	nl = MDOC_NEWLINE & mdoc->flags;

	if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
		mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
		    line, ppos, mdoc_macronames[tok]);
		return;
	}

	if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {

		/* Here, tok is one of Sh Ss Nm Nd It. */

		blk = NULL;
		for (n = mdoc->last; n != NULL; n = n->parent) {
			if (n->flags & MDOC_ENDED) {
				if ( ! (n->flags & MDOC_VALID))
					n->flags |= MDOC_BROKEN;
				continue;
			}
			if (n->type != ROFFT_BLOCK)
				continue;

			if (tok == MDOC_It && n->tok == MDOC_Bl) {
				if (blk != NULL) {
					mandoc_vmsg(MANDOCERR_BLK_BROKEN,
					    mdoc->parse, line, ppos,
					    "It breaks %s",
					    mdoc_macronames[blk->tok]);
					rew_pending(mdoc, blk);
				}
				break;
			}

			if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
				switch (tok) {
				case MDOC_Sh:
				case MDOC_Ss:
					mandoc_vmsg(MANDOCERR_BLK_BROKEN,
					    mdoc->parse, line, ppos,
					    "%s breaks %s",
					    mdoc_macronames[tok],
					    mdoc_macronames[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_vmsg(MANDOCERR_BLK_BROKEN,
				    mdoc->parse, line, ppos,
				    "It breaks %s",
				    mdoc_macronames[blk->tok]);
				rew_pending(mdoc, blk);
				blk = NULL;
			}

			/* Close out prior implicit scopes. */

			rew_last(mdoc, n);
		}

		/* Skip items outside lists. */

		if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
			mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
			    line, ppos, "It %s", buf + *pos);
			roff_elem_alloc(mdoc, line, ppos, MDOC_br);
			rew_elem(mdoc, MDOC_br);
			return;
		}
	}

	/*
	 * This routine accommodates implicitly- and explicitly-scoped
	 * macro openings.  Implicit ones first close out prior scope
	 * (seen above).  Delay opening the head until necessary to
	 * allow leading punctuation to print.  Special consideration
	 * for `It -column', which has phrase-part syntax instead of
	 * regular child nodes.
	 */

	mdoc_argv(mdoc, line, tok, &arg, pos, buf);
	blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
	head = body = NULL;

	/*
	 * Exception: Heads of `It' macros in `-diag' lists are not
	 * parsed, even though `It' macros in general are parsed.
	 */

	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 (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;
		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 (tok == MDOC_Bd || tok == MDOC_Bk) {
			mandoc_vmsg(MANDOCERR_ARG_EXCESS,
			    mdoc->parse, line, la, "%s ... %s",
			    mdoc_macronames[tok], buf + la);
			break;
		}
		if (tok == MDOC_Rs) {
			mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
			    line, la, "Rs %s", buf + la);
			break;
		}
		if (ac == ARGS_PUNCT)
			break;

		/*
		 * Emit leading punctuation (i.e., punctuation before
		 * the ROFFT_HEAD) for non-phrase types.
		 */

		if (head == NULL &&
		    ac != ARGS_PHRASE &&
		    ac != ARGS_QWORD &&
		    mdoc_isdelim(p) == DELIM_OPEN) {
			dword(mdoc, line, la, p, DELIM_OPEN, 0);
			continue;
		}

		/* Open a head if one hasn't been opened. */

		if (head == NULL)
			head = roff_head_alloc(mdoc, line, ppos, tok);

		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;

			/* There may have been `Ta' macros. */

			while (body->next != NULL)
				body = body->next;
			continue;
		}

		if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
			break;
	}

	if (blk->flags & MDOC_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;

	/* Close out scopes to remain in a consistent state. */

	rew_last(mdoc, head);
	body = roff_body_alloc(mdoc, line, ppos, tok);
out:
	if (mdoc->flags & MDOC_FREECOL) {
		rew_last(mdoc, body);
		rew_last(mdoc, blk);
		mdoc->flags &= ~MDOC_FREECOL;
	}
}
예제 #5
0
static void
blk_full(MACRO_PROT_ARGS)
{
	int		  la, nl, parsed;
	struct mdoc_arg	 *arg;
	struct mdoc_node *blk; /* Our own or a broken block. */
	struct mdoc_node *head; /* Our own head. */
	struct mdoc_node *body; /* Our own body. */
	struct mdoc_node *n;
	enum margserr	  ac, lac;
	char		 *p;

	nl = MDOC_NEWLINE & mdoc->flags;

	if (buf[*pos] == '\0' && (tok == MDOC_Sh || tok == MDOC_Ss)) {
		mandoc_msg(MANDOCERR_MACRO_EMPTY, mdoc->parse,
		    line, ppos, mdoc_macronames[tok]);
		return;
	}

	if ( ! (mdoc_macros[tok].flags & MDOC_EXPLICIT)) {

		/* Here, tok is one of Sh Ss Nm Nd It. */

		blk = NULL;
		for (n = mdoc->last; n != NULL; n = n->parent) {
			if (n->flags & MDOC_ENDED) {
				if ( ! (n->flags & MDOC_VALID))
					n->flags |= MDOC_BROKEN;
				continue;
			}
			if (n->type != MDOC_BLOCK)
				continue;

			if (tok == MDOC_It && n->tok == MDOC_Bl) {
				if (blk != NULL) {
					mandoc_vmsg(MANDOCERR_BLK_BROKEN,
					    mdoc->parse, line, ppos,
					    "It breaks %s",
					    mdoc_macronames[blk->tok]);
					rew_pending(mdoc, blk);
				}
				break;
			}

			if (mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
				switch (tok) {
				case MDOC_Sh:
					/* FALLTHROUGH */
				case MDOC_Ss:
					mandoc_vmsg(MANDOCERR_BLK_BROKEN,
					    mdoc->parse, line, ppos,
					    "%s breaks %s",
					    mdoc_macronames[tok],
					    mdoc_macronames[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_vmsg(MANDOCERR_BLK_BROKEN,
				    mdoc->parse, line, ppos,
				    "It breaks %s",
				    mdoc_macronames[blk->tok]);
				rew_pending(mdoc, blk);
				blk = NULL;
			}

			/* Close out prior implicit scopes. */

			rew_last(mdoc, n);
		}

		/* Skip items outside lists. */

		if (tok == MDOC_It && (n == NULL || n->tok != MDOC_Bl)) {
			mandoc_vmsg(MANDOCERR_IT_STRAY, mdoc->parse,
			    line, ppos, "It %s", buf + *pos);
			mdoc_elem_alloc(mdoc, line, ppos, MDOC_br, NULL);
			rew_elem(mdoc, MDOC_br);
			return;
		}
	}

	/*
	 * This routine accommodates implicitly- and explicitly-scoped
	 * macro openings.  Implicit ones first close out prior scope
	 * (seen above).  Delay opening the head until necessary to
	 * allow leading punctuation to print.  Special consideration
	 * for `It -column', which has phrase-part syntax instead of
	 * regular child nodes.
	 */

	mdoc_argv(mdoc, line, tok, &arg, pos, buf);
	blk = mdoc_block_alloc(mdoc, line, ppos, tok, arg);
	head = body = NULL;

	/*
	 * Exception: Heads of `It' macros in `-diag' lists are not
	 * parsed, even though `It' macros in general are parsed.
	 */

	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 (tok == MDOC_Nd) {
		head = mdoc_head_alloc(mdoc, line, ppos, tok);
		rew_last(mdoc, head);
		body = mdoc_body_alloc(mdoc, line, ppos, tok);
	}

	if (tok == MDOC_Bk)
		mdoc->flags |= MDOC_KEEP;

	ac = ARGS_PEND;
	for (;;) {
		la = *pos;
		lac = ac;
		ac = mdoc_args(mdoc, line, pos, buf, tok, &p);
		if (ac == ARGS_EOLN) {
			if (lac != ARGS_PPHRASE && lac != ARGS_PHRASE)
				break;
			/*
			 * This is necessary: if the last token on a
			 * line is a `Ta' or tab, then we'll get
			 * ARGS_EOLN, so we must be smart enough to
			 * reopen our scope if the last parse was a
			 * phrase or partial phrase.
			 */
			if (body != NULL)
				rew_last(mdoc, body);
			body = mdoc_body_alloc(mdoc, line, ppos, tok);
			break;
		}
		if (tok == MDOC_Bd || tok == MDOC_Bk) {
			mandoc_vmsg(MANDOCERR_ARG_EXCESS,
			    mdoc->parse, line, la, "%s ... %s",
			    mdoc_macronames[tok], buf + la);
			break;
		}
		if (tok == MDOC_Rs) {
			mandoc_vmsg(MANDOCERR_ARG_SKIP, mdoc->parse,
			    line, la, "Rs %s", buf + la);
			break;
		}
		if (ac == ARGS_PUNCT)
			break;

		/*
		 * Emit leading punctuation (i.e., punctuation before
		 * the MDOC_HEAD) for non-phrase types.
		 */

		if (head == NULL &&
		    ac != ARGS_PEND &&
		    ac != ARGS_PHRASE &&
		    ac != ARGS_PPHRASE &&
		    ac != ARGS_QWORD &&
		    mdoc_isdelim(p) == DELIM_OPEN) {
			dword(mdoc, line, la, p, DELIM_OPEN, 0);
			continue;
		}

		/* Open a head if one hasn't been opened. */

		if (head == NULL)
			head = mdoc_head_alloc(mdoc, line, ppos, tok);

		if (ac == ARGS_PHRASE ||
		    ac == ARGS_PEND ||
		    ac == ARGS_PPHRASE) {

			/*
			 * 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 = mdoc_body_alloc(mdoc, line, ppos, tok);

			/*
			 * Process phrases: set whether we're in a
			 * partial-phrase (this effects line handling)
			 * then call down into the phrase parser.
			 */

			if (ac == ARGS_PPHRASE)
				mdoc->flags |= MDOC_PPHRASE;
			if (ac == ARGS_PEND && lac == ARGS_PPHRASE)
				mdoc->flags |= MDOC_PPHRASE;
			parse_rest(mdoc, MDOC_MAX, line, &la, buf);
			mdoc->flags &= ~MDOC_PPHRASE;
			continue;
		}

		if (macro_or_word(mdoc, tok, line, la, pos, buf, parsed))
			break;
	}

	if (blk->flags & MDOC_VALID)
		return;
	if (head == NULL)
		head = mdoc_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 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_pending() call closing out that
	 * sub-block.
	 */
	for (n = mdoc->last; n && n != head; n = n->parent) {
		if (n->flags & MDOC_ENDED) {
			if ( ! (n->flags & MDOC_VALID))
				n->flags |= MDOC_BROKEN;
			continue;
		}
		if (n->type == MDOC_BLOCK &&
		    mdoc_macros[n->tok].flags & MDOC_EXPLICIT) {
			n->flags = MDOC_BROKEN;
			head->flags = MDOC_ENDED;
		}
	}
	if (head->flags & MDOC_ENDED)
		return;

	/* Close out scopes to remain in a consistent state. */

	rew_last(mdoc, head);
	body = mdoc_body_alloc(mdoc, line, ppos, tok);
out:
	if (mdoc->flags & MDOC_FREECOL) {
		rew_last(mdoc, body);
		rew_last(mdoc, blk);
		mdoc->flags &= ~MDOC_FREECOL;
	}
}