Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/mandoc/man.c	Lines:	143	157	91.1 %
Date:	2017-11-07	Branches:	111	150	74.0 %


/*	$OpenBSD: man.c,v 1.124 2017/06/28 12:52:27 schwarze Exp $ */
/*
 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 * Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
 * Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.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 AUTHORS DISCLAIM ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * 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.
 */
#include <sys/types.h>

#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#include "mandoc_aux.h"
#include "mandoc.h"
#include "roff.h"
#include "man.h"
#include "libmandoc.h"
#include "roff_int.h"
#include "libman.h"

static	void		 man_descope(struct roff_man *, int, int);
static	int		 man_ptext(struct roff_man *, int, char *, int);
static	int		 man_pmacro(struct roff_man *, int, char *, int);


int
man_parseln(struct roff_man *man, int ln, char *buf, int offs)
{

	if (man->last->type != ROFFT_EQN || ln > man->last->line)
		man->flags |= MAN_NEWLINE;

	return roff_getcontrol(man->roff, buf, &offs) ?
	    man_pmacro(man, ln, buf, offs) :
	    man_ptext(man, ln, buf, offs);
}

static void
man_descope(struct roff_man *man, int line, int offs)
{
	/*
	 * Co-ordinate what happens with having a next-line scope open:
	 * first close out the element scope (if applicable), then close
	 * out the block scope (also if applicable).
	 */

	if (man->flags & MAN_ELINE) {
		man->flags &= ~MAN_ELINE;
		man_unscope(man, man->last->parent);
	}
	if ( ! (man->flags & MAN_BLINE))
		return;
	man->flags &= ~MAN_BLINE;
	man_unscope(man, man->last->parent);
	roff_body_alloc(man, line, offs, man->last->tok);
}

static int
man_ptext(struct roff_man *man, int line, char *buf, int offs)
{
	int		 i;
	const char 	*cp, *sp;
	char		*ep;

	/* Literal free-form text whitespace is preserved. */

	if (man->flags & MAN_LITERAL) {
		roff_word_alloc(man, line, offs, buf + offs);
		man_descope(man, line, offs);
		return 1;
	}

	for (i = offs; buf[i] == ' '; i++)
		/* Skip leading whitespace. */ ;

	/*
	 * Blank lines are ignored in next line scope
	 * and right after headings and cancel preceding \c,
	 * but add a single vertical space elsewhere.
	 */

	if (buf[i] == '\0') {
		if (man->flags & (MAN_ELINE | MAN_BLINE)) {
			mandoc_msg(MANDOCERR_BLK_BLANK, man->parse,
			    line, 0, NULL);
			return 1;
		}
		if (man->last->tok == MAN_SH || man->last->tok == MAN_SS)
			return 1;
		switch (man->last->type) {
		case ROFFT_TEXT:
			sp = man->last->string;
			cp = ep = strchr(sp, '\0') - 2;
			if (cp < sp || cp[0] != '\\' || cp[1] != 'c')
				break;
			while (cp > sp && cp[-1] == '\\')
				cp--;
			if ((ep - cp) % 2)
				break;
			*ep = '\0';
			return 1;
		default:
			break;
		}
		roff_elem_alloc(man, line, offs, ROFF_sp);
		man->next = ROFF_NEXT_SIBLING;
		return 1;
	}

	/*
	 * Warn if the last un-escaped character is whitespace. Then
	 * strip away the remaining spaces (tabs stay!).
	 */

	i = (int)strlen(buf);
	assert(i);

	if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
		if (i > 1 && '\\' != buf[i - 2])
			mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
			    line, i - 1, NULL);

		for (--i; i && ' ' == buf[i]; i--)
			/* Spin back to non-space. */ ;

		/* Jump ahead of escaped whitespace. */
		i += '\\' == buf[i] ? 2 : 1;

		buf[i] = '\0';
	}
	roff_word_alloc(man, line, offs, buf + offs);

	/*
	 * 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(i);
	if (mandoc_eos(buf, (size_t)i))
		man->last->flags |= NODE_EOS;

	man_descope(man, line, offs);
	return 1;
}

static int
man_pmacro(struct roff_man *man, int ln, char *buf, int offs)
{
	struct roff_node *n;
	const char	*cp;
	size_t		 sz;
	enum roff_tok	 tok;
	int		 ppos;
	int		 bline;

	/* Determine the line macro. */

	ppos = offs;
	tok = TOKEN_NONE;
	for (sz = 0; sz < 4 && strchr(" \t\\", buf[offs]) == NULL; sz++)
		offs++;
	if (sz > 0 && sz < 4)
		tok = roffhash_find(man->manmac, buf + ppos, sz);
	if (tok == TOKEN_NONE) {
		mandoc_msg(MANDOCERR_MACRO, man->parse,
		    ln, ppos, buf + ppos - 1);
		return 1;
	}

	/* Skip a leading escape sequence or tab. */

	switch (buf[offs]) {
	case '\\':
		cp = buf + offs + 1;
		mandoc_escape(&cp, NULL, NULL);
		offs = cp - buf;
		break;
	case '\t':
		offs++;
		break;
	default:
		break;
	}

	/* Jump to the next non-whitespace word. */

	while (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 (buf[offs] == '\0' && buf[offs - 1] == ' ')
		mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
		    ln, offs - 1, NULL);

	/*
	 * Some macros break next-line scopes; otherwise, remember
	 * whether we are in next-line scope for a block head.
	 */

	man_breakscope(man, tok);
	bline = man->flags & MAN_BLINE;

	/*
	 * If the line in next-line scope ends with \c, keep the
	 * next-line scope open for the subsequent input line.
	 * That is not at all portable, only groff >= 1.22.4
	 * does it, but *if* this weird idiom occurs in a manual
	 * page, that's very likely what the author intended.
	 */

	if (bline) {
		cp = strchr(buf + offs, '\0') - 2;
		if (cp >= buf && cp[0] == '\\' && cp[1] == 'c')
			bline = 0;
	}

	/* Call to handler... */

	assert(man_macros[tok].fp);
	(*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf);

	/* In quick mode (for mandocdb), abort after the NAME section. */

	if (man->quick && tok == MAN_SH) {
		n = man->last;
		if (n->type == ROFFT_BODY &&
		    strcmp(n->prev->child->string, "NAME"))
			return 2;
	}

	/*
	 * If we are in a next-line scope for a block head,
	 * close it out now and switch to the body,
	 * unless the next-line scope is allowed to continue.
	 */

	if ( ! bline || man->flags & MAN_ELINE ||
	    man_macros[tok].flags & MAN_NSCOPED)
		return 1;

	assert(man->flags & MAN_BLINE);
	man->flags &= ~MAN_BLINE;

	man_unscope(man, man->last->parent);
	roff_body_alloc(man, ln, ppos, man->last->tok);
	return 1;
}

void
man_breakscope(struct roff_man *man, int tok)
{
	struct roff_node *n;

	/*
	 * An element next line scope is open,
	 * and the new macro is not allowed inside elements.
	 * Delete the element that is being broken.
	 */

	if (man->flags & MAN_ELINE && (tok < MAN_TH ||
	    ! (man_macros[tok].flags & MAN_NSCOPED))) {
		n = man->last;
		if (n->type == ROFFT_TEXT)
			n = n->parent;
		if (n->tok < MAN_TH ||
		    man_macros[n->tok].flags & MAN_NSCOPED)
			n = n->parent;

		mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse,
		    n->line, n->pos, "%s breaks %s",
		    roff_name[tok], roff_name[n->tok]);

		roff_node_delete(man, n);
		man->flags &= ~MAN_ELINE;
	}

	/*
	 * Weird special case:
	 * Switching fill mode closes section headers.
	 */

	if (man->flags & MAN_BLINE &&
	    (tok == MAN_nf || tok == MAN_fi) &&
	    (man->last->tok == MAN_SH || man->last->tok == MAN_SS)) {
		n = man->last;
		man_unscope(man, n);
		roff_body_alloc(man, n->line, n->pos, n->tok);
		man->flags &= ~MAN_BLINE;
	}

	/*
	 * A block header next line scope is open,
	 * and the new macro is not allowed inside block headers.
	 * Delete the block that is being broken.
	 */

	if (man->flags & MAN_BLINE && (tok < MAN_TH ||
	    man_macros[tok].flags & MAN_BSCOPE)) {
		n = man->last;
		if (n->type == ROFFT_TEXT)
			n = n->parent;
		if (n->tok < MAN_TH ||
		    (man_macros[n->tok].flags & MAN_BSCOPE) == 0)
			n = n->parent;

		assert(n->type == ROFFT_HEAD);
		n = n->parent;
		assert(n->type == ROFFT_BLOCK);
		assert(man_macros[n->tok].flags & MAN_SCOPED);

		mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse,
		    n->line, n->pos, "%s breaks %s",
		    roff_name[tok], roff_name[n->tok]);

		roff_node_delete(man, n);
		man->flags &= ~MAN_BLINE;
	}
}

const struct mparse *
man_mparse(const struct roff_man *man)
{

	assert(man && man->parse);
	return man->parse;
}

void
man_state(struct roff_man *man, struct roff_node *n)
{

	switch(n->tok) {
	case MAN_nf:
	case MAN_EX:
		if (man->flags & MAN_LITERAL && ! (n->flags & NODE_VALID))
			mandoc_msg(MANDOCERR_NF_SKIP, man->parse,
			    n->line, n->pos, "nf");
		man->flags |= MAN_LITERAL;
		break;
	case MAN_fi:
	case MAN_EE:
		if ( ! (man->flags & MAN_LITERAL) &&
		     ! (n->flags & NODE_VALID))
			mandoc_msg(MANDOCERR_FI_SKIP, man->parse,
			    n->line, n->pos, "fi");
		man->flags &= ~MAN_LITERAL;
		break;
	default:
		break;
	}
	man->last->flags |= NODE_VALID;
}

void
man_validate(struct roff_man *man)
{

	man->last = man->first;
	man_node_validate(man);
	man->flags &= ~MAN_LITERAL;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: man.c,v 1.124 2017/06/28 12:52:27 schwarze Exp $ */
2			/*
3			* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4			* Copyright (c) 2013, 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
5			* Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org>
6			*
7			* Permission to use, copy, modify, and distribute this software for any
8			* purpose with or without fee is hereby granted, provided that the above
9			* copyright notice and this permission notice appear in all copies.
10			*
11			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
12			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
14			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18			*/
19			#include <sys/types.h>
20
21			#include <assert.h>
22			#include <ctype.h>
23			#include <stdarg.h>
24			#include <stdlib.h>
25			#include <stdio.h>
26			#include <string.h>
27
28			#include "mandoc_aux.h"
29			#include "mandoc.h"
30			#include "roff.h"
31			#include "man.h"
32			#include "libmandoc.h"
33			#include "roff_int.h"
34			#include "libman.h"
35
36			static void man_descope(struct roff_man *, int, int);
37			static int man_ptext(struct roff_man , int, char , int);
38			static int man_pmacro(struct roff_man , int, char , int);
39
40
41			int
42			man_parseln(struct roff_man man, int ln, char buf, int offs)
43			{
44
45	✗✓✗✗	1193444	if (man->last->type != ROFFT_EQN \|\| ln > man->last->line)
46		1193444	man->flags \|= MAN_NEWLINE;
47
48	✓✓	3580332	return roff_getcontrol(man->roff, buf, &offs) ?
49		382517	man_pmacro(man, ln, buf, offs) :
50		810927	man_ptext(man, ln, buf, offs);
51			}
52
53			static void
54			man_descope(struct roff_man *man, int line, int offs)
55			{
56			/*
57			* Co-ordinate what happens with having a next-line scope open:
58			* first close out the element scope (if applicable), then close
59			* out the block scope (also if applicable).
60			*/
61
62	✓✓	1617688	if (man->flags & MAN_ELINE) {
63		126	man->flags &= ~MAN_ELINE;
64		126	man_unscope(man, man->last->parent);
65		126	}
66	✓✓	808844	if ( ! (man->flags & MAN_BLINE))
67			return;
68		4183	man->flags &= ~MAN_BLINE;
69		4183	man_unscope(man, man->last->parent);
70		4183	roff_body_alloc(man, line, offs, man->last->tok);
71		813027	}
72
73			static int
74			man_ptext(struct roff_man man, int line, char buf, int offs)
75			{
76			int i;
77			const char cp, sp;
78			char *ep;
79
80			/* Literal free-form text whitespace is preserved. */
81
82	✓✓	1621854	if (man->flags & MAN_LITERAL) {
83		206619	roff_word_alloc(man, line, offs, buf + offs);
84		206619	man_descope(man, line, offs);
85		206619	return 1;
86			}
87
88	✓✓	1226600	for (i = offs; buf[i] == ' '; i++)
89			/* Skip leading whitespace. */ ;
90
91			/*
92			* Blank lines are ignored in next line scope
93			* and right after headings and cancel preceding \c,
94			* but add a single vertical space elsewhere.
95			*/
96
97	✓✓	604308	if (buf[i] == '\0') {
98	✓✓	2083	if (man->flags & (MAN_ELINE \| MAN_BLINE)) {
99		72	mandoc_msg(MANDOCERR_BLK_BLANK, man->parse,
100			line, 0, NULL);
101		72	return 1;
102			}
103	✓✓✓✓	3513	if (man->last->tok == MAN_SH \|\| man->last->tok == MAN_SS)
104		951	return 1;
105	✓✓	1060	switch (man->last->type) {
106			case ROFFT_TEXT:
107		716	sp = man->last->string;
108		716	cp = ep = strchr(sp, '\0') - 2;
109	✓✗✓✓ ✓✗	1441	if (cp < sp \|\| cp[0] != '\\' \|\| cp[1] != 'c')
110			break;
111	✓✗✗✓	18	while (cp > sp && cp[-1] == '\\')
112			cp--;
113	✓✗	9	if ((ep - cp) % 2)
114			break;
115		9	*ep = '\0';
116		9	return 1;
117			default:
118			break;
119			}
120		1051	roff_elem_alloc(man, line, offs, ROFF_sp);
121		1051	man->next = ROFF_NEXT_SIBLING;
122		1051	return 1;
123			}
124
125			/*
126			* Warn if the last un-escaped character is whitespace. Then
127			* strip away the remaining spaces (tabs stay!).
128			*/
129
130		602225	i = (int)strlen(buf);
131	✗✓	602225	assert(i);
132
133	✓✓✗✓	1198870	if (' ' == buf[i - 1] \|\| '\t' == buf[i - 1]) {
134	✓✗✓✗	11160	if (i > 1 && '\\' != buf[i - 2])
135		5580	mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
136			line, i - 1, NULL);
137
138	✓✗✓✓	35169	for (--i; i && ' ' == buf[i]; i--)
139			/* Spin back to non-space. */ ;
140
141			/* Jump ahead of escaped whitespace. */
142		5580	i += '\\' == buf[i] ? 2 : 1;
143
144		5580	buf[i] = '\0';
145		5580	}
146		602225	roff_word_alloc(man, line, offs, buf + offs);
147
148			/*
149			* End-of-sentence check. If the last character is an unescaped
150			* EOS character, then flag the node as being the end of a
151			* sentence. The front-end will know how to interpret this.
152			*/
153
154	✗✓	602225	assert(i);
155	✓✓	602225	if (mandoc_eos(buf, (size_t)i))
156		167954	man->last->flags \|= NODE_EOS;
157
158		602225	man_descope(man, line, offs);
159		602225	return 1;
160		810927	}
161
162			static int
163			man_pmacro(struct roff_man man, int ln, char buf, int offs)
164			{
165			struct roff_node *n;
166		382517	const char *cp;
167			size_t sz;
168			enum roff_tok tok;
169			int ppos;
170			int bline;
171
172			/* Determine the line macro. */
173
174		382517	ppos = offs;
175			tok = TOKEN_NONE;
176	✓✗✓✓	3414669	for (sz = 0; sz < 4 && strchr(" \t\\", buf[offs]) == NULL; sz++)
177		755706	offs++;
178	✓✗	382517	if (sz > 0 && sz < 4)
179		382517	tok = roffhash_find(man->manmac, buf + ppos, sz);
180	✗✓	382517	if (tok == TOKEN_NONE) {
181			mandoc_msg(MANDOCERR_MACRO, man->parse,
182			ln, ppos, buf + ppos - 1);
183			return 1;
184			}
185
186			/* Skip a leading escape sequence or tab. */
187
188	✓✗✓	584766	switch (buf[offs]) {
189			case '\\':
190		18	cp = buf + offs + 1;
191		18	mandoc_escape(&cp, NULL, NULL);
192		18	offs = cp - buf;
193		18	break;
194			case '\t':
195			offs++;
196			break;
197			default:
198			break;
199			}
200
201			/* Jump to the next non-whitespace word. */
202
203	✓✓	786979	while (buf[offs] == ' ')
204		202231	offs++;
205
206			/*
207			* Trailing whitespace. Note that tabs are allowed to be passed
208			* into the parser as "text", so we only warn about spaces here.
209			*/
210
211	✓✓✓✓	562917	if (buf[offs] == '\0' && buf[offs - 1] == ' ')
212		42	mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
213			ln, offs - 1, NULL);
214
215			/*
216			* Some macros break next-line scopes; otherwise, remember
217			* whether we are in next-line scope for a block head.
218			*/
219
220		382517	man_breakscope(man, tok);
221		382517	bline = man->flags & MAN_BLINE;
222
223			/*
224			* If the line in next-line scope ends with \c, keep the
225			* next-line scope open for the subsequent input line.
226			* That is not at all portable, only groff >= 1.22.4
227			* does it, but if this weird idiom occurs in a manual
228			* page, that's very likely what the author intended.
229			*/
230
231	✓✓	382517	if (bline) {
232		4496	cp = strchr(buf + offs, '\0') - 2;
233	✓✗✓✓ ✓✓	9047	if (cp >= buf && cp[0] == '\\' && cp[1] == 'c')
234		45	bline = 0;
235			}
236
237			/* Call to handler... */
238
239	✗✓	382517	assert(man_macros[tok].fp);
240		382517	(*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf);
241
242			/* In quick mode (for mandocdb), abort after the NAME section. */
243
244	✗✓	382517	if (man->quick && tok == MAN_SH) {
245			n = man->last;
246			if (n->type == ROFFT_BODY &&
247			strcmp(n->prev->child->string, "NAME"))
248			return 2;
249			}
250
251			/*
252			* If we are in a next-line scope for a block head,
253			* close it out now and switch to the body,
254			* unless the next-line scope is allowed to continue.
255			*/
256
257	✓✓✓✓ ✓✓	391377	if ( ! bline \|\| man->flags & MAN_ELINE \|\|
258		4409	man_macros[tok].flags & MAN_NSCOPED)
259		378153	return 1;
260
261	✗✓	4364	assert(man->flags & MAN_BLINE);
262		4364	man->flags &= ~MAN_BLINE;
263
264		4364	man_unscope(man, man->last->parent);
265		4364	roff_body_alloc(man, ln, ppos, man->last->tok);
266		4364	return 1;
267		382517	}
268
269			void
270			man_breakscope(struct roff_man *man, int tok)
271			{
272			struct roff_node *n;
273
274			/*
275			* An element next line scope is open,
276			* and the new macro is not allowed inside elements.
277			* Delete the element that is being broken.
278			*/
279
280	✓✓✓✓ ✓✓	792362	if (man->flags & MAN_ELINE && (tok < MAN_TH \|\|
281		33	! (man_macros[tok].flags & MAN_NSCOPED))) {
282		42	n = man->last;
283	✗✓	42	if (n->type == ROFFT_TEXT)
284			n = n->parent;
285	✓✗✗✓	84	if (n->tok < MAN_TH \|\|
286		42	man_macros[n->tok].flags & MAN_NSCOPED)
287			n = n->parent;
288
289		84	mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse,
290		42	n->line, n->pos, "%s breaks %s",
291		42	roff_name[tok], roff_name[n->tok]);
292
293		42	roff_node_delete(man, n);
294		42	man->flags &= ~MAN_ELINE;
295		42	}
296
297			/*
298			* Weird special case:
299			* Switching fill mode closes section headers.
300			*/
301
302	✓✓✓✓	396184	if (man->flags & MAN_BLINE &&
303	✓✓	5059	(tok == MAN_nf \|\| tok == MAN_fi) &&
304	✓✓	126	(man->last->tok == MAN_SH \|\| man->last->tok == MAN_SS)) {
305		72	n = man->last;
306		72	man_unscope(man, n);
307		72	roff_body_alloc(man, n->line, n->pos, n->tok);
308		72	man->flags &= ~MAN_BLINE;
309		72	}
310
311			/*
312			* A block header next line scope is open,
313			* and the new macro is not allowed inside block headers.
314			* Delete the block that is being broken.
315			*/
316
317	✓✓✓✓ ✓✓	406059	if (man->flags & MAN_BLINE && (tok < MAN_TH \|\|
318		4933	man_macros[tok].flags & MAN_BSCOPE)) {
319		491	n = man->last;
320	✓✓	491	if (n->type == ROFFT_TEXT)
321		56	n = n->parent;
322	✓✗✓✓	982	if (n->tok < MAN_TH \|\|
323		491	(man_macros[n->tok].flags & MAN_BSCOPE) == 0)
324		15	n = n->parent;
325
326	✗✓	491	assert(n->type == ROFFT_HEAD);
327		491	n = n->parent;
328	✗✓	491	assert(n->type == ROFFT_BLOCK);
329	✗✓	491	assert(man_macros[n->tok].flags & MAN_SCOPED);
330
331		982	mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse,
332		491	n->line, n->pos, "%s breaks %s",
333		491	roff_name[tok], roff_name[n->tok]);
334
335		491	roff_node_delete(man, n);
336		491	man->flags &= ~MAN_BLINE;
337		491	}
338		396139	}
339
340			const struct mparse *
341			man_mparse(const struct roff_man *man)
342			{
343
344			assert(man && man->parse);
345			return man->parse;
346			}
347
348			void
349			man_state(struct roff_man man, struct roff_node n)
350			{
351
352	✗✓✗✓ ✓	2195368	switch(n->tok) {
353			case MAN_nf:
354			case MAN_EX:
355	✓✓✓✓	71546	if (man->flags & MAN_LITERAL && ! (n->flags & NODE_VALID))
356		104	mandoc_msg(MANDOCERR_NF_SKIP, man->parse,
357		52	n->line, n->pos, "nf");
358		71434	man->flags \|= MAN_LITERAL;
359		71434	break;
360			case MAN_fi:
361			case MAN_EE:
362	✓✓✓✓	71351	if ( ! (man->flags & MAN_LITERAL) &&
363		151	! (n->flags & NODE_VALID))
364		188	mandoc_msg(MANDOCERR_FI_SKIP, man->parse,
365		94	n->line, n->pos, "fi");
366		71200	man->flags &= ~MAN_LITERAL;
367		71200	break;
368			default:
369			break;
370			}
371		1026367	man->last->flags \|= NODE_VALID;
372		1026367	}
373
374			void
375			man_validate(struct roff_man *man)
376			{
377
378		14158	man->last = man->first;
379		7079	man_node_validate(man);
380		7079	man->flags &= ~MAN_LITERAL;
381		7079	}