1414 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1414 lines
		
	
	
		
			32 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*	$Id: mdoc_validate.c,v 1.99 2010/06/13 21:02:49 kristaps Exp $ */
 | |
| /*
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|  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
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|  *
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|  * Permission to use, copy, modify, and distribute this software for any
 | |
|  * purpose with or without fee is hereby granted, provided that the above
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|  * copyright notice and this permission notice appear in all copies.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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|  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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|  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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|  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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|  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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|  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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|  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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|  */
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| #ifdef HAVE_CONFIG_H
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| #include "config.h"
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| #endif
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| 
 | |
| #include <sys/types.h>
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| 
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| #include <assert.h>
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| #include <ctype.h>
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| #include <limits.h>
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| 
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| #include "mandoc.h"
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| #include "libmdoc.h"
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| #include "libmandoc.h"
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| 
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| /* FIXME: .Bl -diag can't have non-text children in HEAD. */
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| /* TODO: ignoring Pp (it's superfluous in some invocations). */
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| 
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| #define	PRE_ARGS  struct mdoc *mdoc, struct mdoc_node *n
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| #define	POST_ARGS struct mdoc *mdoc
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| 
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| typedef	int	(*v_pre)(PRE_ARGS);
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| typedef	int	(*v_post)(POST_ARGS);
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| 
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| struct	valids {
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| 	v_pre	*pre;
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| 	v_post	*post;
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| };
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| 
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| static	int	 check_parent(PRE_ARGS, enum mdoct, enum mdoc_type);
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| static	int	 check_stdarg(PRE_ARGS);
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| static	int	 check_text(struct mdoc *, int, int, char *);
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| static	int	 check_argv(struct mdoc *, 
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| 			struct mdoc_node *, struct mdoc_argv *);
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| static	int	 check_args(struct mdoc *, struct mdoc_node *);
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| static	int	 err_child_lt(struct mdoc *, const char *, int);
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| static	int	 warn_child_lt(struct mdoc *, const char *, int);
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| static	int	 err_child_gt(struct mdoc *, const char *, int);
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| static	int	 warn_child_gt(struct mdoc *, const char *, int);
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| static	int	 err_child_eq(struct mdoc *, const char *, int);
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| static	int	 warn_child_eq(struct mdoc *, const char *, int);
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| static	int	 warn_count(struct mdoc *, const char *, 
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| 			int, const char *, int);
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| static	int	 err_count(struct mdoc *, const char *, 
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| 			int, const char *, int);
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| 
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| static	int	 berr_ge1(POST_ARGS);
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| static	int	 bwarn_ge1(POST_ARGS);
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| static	int	 ebool(POST_ARGS);
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| static	int	 eerr_eq0(POST_ARGS);
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| static	int	 eerr_eq1(POST_ARGS);
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| static	int	 eerr_ge1(POST_ARGS);
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| static	int	 eerr_le1(POST_ARGS);
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| static	int	 ewarn_ge1(POST_ARGS);
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| static	int	 herr_eq0(POST_ARGS);
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| static	int	 herr_ge1(POST_ARGS);
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| static	int	 hwarn_eq1(POST_ARGS);
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| static	int	 hwarn_eq0(POST_ARGS);
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| static	int	 hwarn_le1(POST_ARGS);
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| 
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| static	int	 post_an(POST_ARGS);
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| static	int	 post_at(POST_ARGS);
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| static	int	 post_bf(POST_ARGS);
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| static	int	 post_bl(POST_ARGS);
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| static	int	 post_bl_head(POST_ARGS);
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| static	int	 post_dt(POST_ARGS);
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| static	int	 post_it(POST_ARGS);
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| static	int	 post_lb(POST_ARGS);
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| static	int	 post_nm(POST_ARGS);
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| static	int	 post_root(POST_ARGS);
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| static	int	 post_rs(POST_ARGS);
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| static	int	 post_sh(POST_ARGS);
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| static	int	 post_sh_body(POST_ARGS);
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| static	int	 post_sh_head(POST_ARGS);
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| static	int	 post_st(POST_ARGS);
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| static	int	 post_eoln(POST_ARGS);
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| static	int	 post_vt(POST_ARGS);
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| static	int	 pre_an(PRE_ARGS);
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| static	int	 pre_bd(PRE_ARGS);
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| static	int	 pre_bl(PRE_ARGS);
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| static	int	 pre_dd(PRE_ARGS);
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| static	int	 pre_display(PRE_ARGS);
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| static	int	 pre_dt(PRE_ARGS);
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| static	int	 pre_it(PRE_ARGS);
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| static	int	 pre_os(PRE_ARGS);
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| static	int	 pre_rv(PRE_ARGS);
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| static	int	 pre_sh(PRE_ARGS);
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| static	int	 pre_ss(PRE_ARGS);
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| 
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| static	v_post	 posts_an[] = { post_an, NULL };
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| static	v_post	 posts_at[] = { post_at, NULL };
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| static	v_post	 posts_bd[] = { hwarn_eq0, bwarn_ge1, NULL };
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| static	v_post	 posts_bf[] = { hwarn_le1, post_bf, NULL };
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| static	v_post	 posts_bl[] = { bwarn_ge1, post_bl, NULL };
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| static	v_post	 posts_bool[] = { eerr_eq1, ebool, NULL };
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| static	v_post	 posts_eoln[] = { post_eoln, NULL };
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| static	v_post	 posts_dt[] = { post_dt, NULL };
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| static	v_post	 posts_fo[] = { hwarn_eq1, bwarn_ge1, NULL };
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| static	v_post	 posts_it[] = { post_it, NULL };
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| static	v_post	 posts_lb[] = { eerr_eq1, post_lb, NULL };
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| static	v_post	 posts_nd[] = { berr_ge1, NULL };
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| static	v_post	 posts_nm[] = { post_nm, NULL };
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| static	v_post	 posts_notext[] = { eerr_eq0, NULL };
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| static	v_post	 posts_rs[] = { berr_ge1, herr_eq0, post_rs, NULL };
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| static	v_post	 posts_sh[] = { herr_ge1, bwarn_ge1, post_sh, NULL };
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| static	v_post	 posts_sp[] = { eerr_le1, NULL };
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| static	v_post	 posts_ss[] = { herr_ge1, NULL };
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| static	v_post	 posts_st[] = { eerr_eq1, post_st, NULL };
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| static	v_post	 posts_text[] = { eerr_ge1, NULL };
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| static	v_post	 posts_text1[] = { eerr_eq1, NULL };
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| static	v_post	 posts_vt[] = { post_vt, NULL };
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| static	v_post	 posts_wline[] = { bwarn_ge1, herr_eq0, NULL };
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| static	v_post	 posts_wtext[] = { ewarn_ge1, NULL };
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| static	v_pre	 pres_an[] = { pre_an, NULL };
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| static	v_pre	 pres_bd[] = { pre_display, pre_bd, NULL };
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| static	v_pre	 pres_bl[] = { pre_bl, NULL };
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| static	v_pre	 pres_d1[] = { pre_display, NULL };
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| static	v_pre	 pres_dd[] = { pre_dd, NULL };
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| static	v_pre	 pres_dt[] = { pre_dt, NULL };
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| static	v_pre	 pres_er[] = { NULL, NULL };
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| static	v_pre	 pres_ex[] = { NULL, NULL };
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| static	v_pre	 pres_fd[] = { NULL, NULL };
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| static	v_pre	 pres_it[] = { pre_it, NULL };
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| static	v_pre	 pres_os[] = { pre_os, NULL };
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| static	v_pre	 pres_rv[] = { pre_rv, NULL };
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| static	v_pre	 pres_sh[] = { pre_sh, NULL };
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| static	v_pre	 pres_ss[] = { pre_ss, NULL };
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| 
 | |
| const	struct valids mdoc_valids[MDOC_MAX] = {
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| 	{ NULL, NULL },				/* Ap */
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| 	{ pres_dd, posts_text },		/* Dd */
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| 	{ pres_dt, posts_dt },			/* Dt */
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| 	{ pres_os, NULL },			/* Os */
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| 	{ pres_sh, posts_sh },			/* Sh */ 
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| 	{ pres_ss, posts_ss },			/* Ss */ 
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| 	{ NULL, posts_notext },			/* Pp */ 
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| 	{ pres_d1, posts_wline },		/* D1 */
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| 	{ pres_d1, posts_wline },		/* Dl */
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| 	{ pres_bd, posts_bd },			/* Bd */
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| 	{ NULL, NULL },				/* Ed */
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| 	{ pres_bl, posts_bl },			/* Bl */ 
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| 	{ NULL, NULL },				/* El */
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| 	{ pres_it, posts_it },			/* It */
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| 	{ NULL, posts_text },			/* Ad */ 
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| 	{ pres_an, posts_an },			/* An */ 
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| 	{ NULL, NULL },				/* Ar */
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| 	{ NULL, posts_text },			/* Cd */ 
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| 	{ NULL, NULL },				/* Cm */
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| 	{ NULL, NULL },				/* Dv */ 
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| 	{ pres_er, posts_text },		/* Er */ 
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| 	{ NULL, NULL },				/* Ev */ 
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| 	{ pres_ex, NULL },			/* Ex */ 
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| 	{ NULL, NULL },				/* Fa */ 
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| 	{ pres_fd, posts_wtext },		/* Fd */
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| 	{ NULL, NULL },				/* Fl */
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| 	{ NULL, posts_text },			/* Fn */ 
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| 	{ NULL, posts_wtext },			/* Ft */ 
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| 	{ NULL, posts_text },			/* Ic */ 
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| 	{ NULL, posts_text1 },			/* In */ 
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| 	{ NULL, NULL },				/* Li */
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| 	{ NULL, posts_nd },			/* Nd */
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| 	{ NULL, posts_nm },			/* Nm */
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| 	{ NULL, posts_wline },			/* Op */
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| 	{ NULL, NULL },				/* Ot */
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| 	{ NULL, NULL },				/* Pa */
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| 	{ pres_rv, NULL },			/* Rv */
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| 	{ NULL, posts_st },			/* St */ 
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| 	{ NULL, NULL },				/* Va */
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| 	{ NULL, posts_vt },			/* Vt */ 
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| 	{ NULL, posts_wtext },			/* Xr */ 
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| 	{ NULL, posts_text },			/* %A */
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| 	{ NULL, posts_text },			/* %B */ /* FIXME: can be used outside Rs/Re. */
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| 	{ NULL, posts_text },			/* %D */ /* FIXME: check date with mandoc_a2time(). */
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| 	{ NULL, posts_text },			/* %I */
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| 	{ NULL, posts_text },			/* %J */
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| 	{ NULL, posts_text },			/* %N */
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| 	{ NULL, posts_text },			/* %O */
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| 	{ NULL, posts_text },			/* %P */
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| 	{ NULL, posts_text },			/* %R */
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| 	{ NULL, posts_text },			/* %T */ /* FIXME: can be used outside Rs/Re. */
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| 	{ NULL, posts_text },			/* %V */
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| 	{ NULL, NULL },				/* Ac */
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| 	{ NULL, NULL },				/* Ao */
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| 	{ NULL, posts_wline },			/* Aq */
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| 	{ NULL, posts_at },			/* At */ 
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| 	{ NULL, NULL },				/* Bc */
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| 	{ NULL, posts_bf },			/* Bf */
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| 	{ NULL, NULL },				/* Bo */
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| 	{ NULL, posts_wline },			/* Bq */
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| 	{ NULL, NULL },				/* Bsx */
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| 	{ NULL, NULL },				/* Bx */
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| 	{ NULL, posts_bool },			/* Db */
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| 	{ NULL, NULL },				/* Dc */
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| 	{ NULL, NULL },				/* Do */
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| 	{ NULL, posts_wline },			/* Dq */
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| 	{ NULL, NULL },				/* Ec */
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| 	{ NULL, NULL },				/* Ef */ 
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| 	{ NULL, NULL },				/* Em */ 
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| 	{ NULL, NULL },				/* Eo */
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| 	{ NULL, NULL },				/* Fx */
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| 	{ NULL, posts_text },			/* Ms */ 
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| 	{ NULL, posts_notext },			/* No */
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| 	{ NULL, posts_notext },			/* Ns */
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| 	{ NULL, NULL },				/* Nx */
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| 	{ NULL, NULL },				/* Ox */
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| 	{ NULL, NULL },				/* Pc */
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| 	{ NULL, posts_text1 },			/* Pf */
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| 	{ NULL, NULL },				/* Po */
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| 	{ NULL, posts_wline },			/* Pq */
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| 	{ NULL, NULL },				/* Qc */
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| 	{ NULL, posts_wline },			/* Ql */
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| 	{ NULL, NULL },				/* Qo */
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| 	{ NULL, posts_wline },			/* Qq */
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| 	{ NULL, NULL },				/* Re */
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| 	{ NULL, posts_rs },			/* Rs */
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| 	{ NULL, NULL },				/* Sc */
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| 	{ NULL, NULL },				/* So */
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| 	{ NULL, posts_wline },			/* Sq */
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| 	{ NULL, posts_bool },			/* Sm */ 
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| 	{ NULL, posts_text },			/* Sx */
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| 	{ NULL, posts_text },			/* Sy */
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| 	{ NULL, posts_text },			/* Tn */
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| 	{ NULL, NULL },				/* Ux */
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| 	{ NULL, NULL },				/* Xc */
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| 	{ NULL, NULL },				/* Xo */
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| 	{ NULL, posts_fo },			/* Fo */ 
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| 	{ NULL, NULL },				/* Fc */ 
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| 	{ NULL, NULL },				/* Oo */
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| 	{ NULL, NULL },				/* Oc */
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| 	{ NULL, posts_wline },			/* Bk */
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| 	{ NULL, NULL },				/* Ek */
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| 	{ NULL, posts_eoln },			/* Bt */
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| 	{ NULL, NULL },				/* Hf */
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| 	{ NULL, NULL },				/* Fr */
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| 	{ NULL, posts_eoln },			/* Ud */
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| 	{ NULL, posts_lb },			/* Lb */
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| 	{ NULL, posts_notext },			/* Lp */ 
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| 	{ NULL, posts_text },			/* Lk */ 
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| 	{ NULL, posts_text },			/* Mt */ 
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| 	{ NULL, posts_wline },			/* Brq */ 
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| 	{ NULL, NULL },				/* Bro */ 
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| 	{ NULL, NULL },				/* Brc */ 
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| 	{ NULL, posts_text },			/* %C */
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| 	{ NULL, NULL },				/* Es */
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| 	{ NULL, NULL },				/* En */
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| 	{ NULL, NULL },				/* Dx */
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| 	{ NULL, posts_text },			/* %Q */
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| 	{ NULL, posts_notext },			/* br */
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| 	{ NULL, posts_sp },			/* sp */
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| 	{ NULL, posts_text1 },			/* %U */
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| 	{ NULL, NULL },				/* Ta */
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| };
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| 
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| 
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| int
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| mdoc_valid_pre(struct mdoc *mdoc, struct mdoc_node *n)
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| {
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| 	v_pre		*p;
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| 	int		 line, pos;
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| 	char		*tp;
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| 
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| 	if (MDOC_TEXT == n->type) {
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| 		tp = n->string;
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| 		line = n->line;
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| 		pos = n->pos;
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| 		return(check_text(mdoc, line, pos, tp));
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| 	}
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| 
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| 	if ( ! check_args(mdoc, n))
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| 		return(0);
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| 	if (NULL == mdoc_valids[n->tok].pre)
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| 		return(1);
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| 	for (p = mdoc_valids[n->tok].pre; *p; p++)
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| 		if ( ! (*p)(mdoc, n)) 
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| 			return(0);
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| 	return(1);
 | |
| }
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| 
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| 
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| int
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| mdoc_valid_post(struct mdoc *mdoc)
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| {
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| 	v_post		*p;
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| 
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| 	if (MDOC_VALID & mdoc->last->flags)
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| 		return(1);
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| 	mdoc->last->flags |= MDOC_VALID;
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| 
 | |
| 	if (MDOC_TEXT == mdoc->last->type)
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| 		return(1);
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| 	if (MDOC_ROOT == mdoc->last->type)
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| 		return(post_root(mdoc));
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| 
 | |
| 	if (NULL == mdoc_valids[mdoc->last->tok].post)
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| 		return(1);
 | |
| 	for (p = mdoc_valids[mdoc->last->tok].post; *p; p++)
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| 		if ( ! (*p)(mdoc)) 
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| 			return(0);
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| 
 | |
| 	return(1);
 | |
| }
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| 
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| 
 | |
| static inline int
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| warn_count(struct mdoc *m, const char *k, 
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| 		int want, const char *v, int has)
 | |
| {
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| 
 | |
| 	return(mdoc_vmsg(m, MANDOCERR_ARGCOUNT, 
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| 				m->last->line, m->last->pos, 
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| 				"%s %s %d (have %d)", v, k, want, has));
 | |
| }
 | |
| 
 | |
| 
 | |
| static inline int
 | |
| err_count(struct mdoc *m, const char *k,
 | |
| 		int want, const char *v, int has)
 | |
| {
 | |
| 
 | |
| 	mdoc_vmsg(m, MANDOCERR_SYNTARGCOUNT, 
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| 			m->last->line, m->last->pos, 
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| 			"%s %s %d (have %d)", 
 | |
| 			v, k, want, has);
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| 
 | |
| /*
 | |
|  * Build these up with macros because they're basically the same check
 | |
|  * for different inequalities.  Yes, this could be done with functions,
 | |
|  * but this is reasonable for now.
 | |
|  */
 | |
| 
 | |
| #define CHECK_CHILD_DEFN(lvl, name, ineq) 			\
 | |
| static int 							\
 | |
| lvl##_child_##name(struct mdoc *mdoc, const char *p, int sz) 	\
 | |
| { 								\
 | |
| 	if (mdoc->last->nchild ineq sz)				\
 | |
| 		return(1); 					\
 | |
| 	return(lvl##_count(mdoc, #ineq, sz, p, mdoc->last->nchild)); \
 | |
| }
 | |
| 
 | |
| #define CHECK_BODY_DEFN(name, lvl, func, num) 			\
 | |
| static int 							\
 | |
| b##lvl##_##name(POST_ARGS) 					\
 | |
| { 								\
 | |
| 	if (MDOC_BODY != mdoc->last->type) 			\
 | |
| 		return(1); 					\
 | |
| 	return(func(mdoc, "multi-line arguments", (num))); 	\
 | |
| }
 | |
| 
 | |
| #define CHECK_ELEM_DEFN(name, lvl, func, num) 			\
 | |
| static int							\
 | |
| e##lvl##_##name(POST_ARGS) 					\
 | |
| { 								\
 | |
| 	assert(MDOC_ELEM == mdoc->last->type); 			\
 | |
| 	return(func(mdoc, "line arguments", (num))); 		\
 | |
| }
 | |
| 
 | |
| #define CHECK_HEAD_DEFN(name, lvl, func, num)			\
 | |
| static int 							\
 | |
| h##lvl##_##name(POST_ARGS) 					\
 | |
| { 								\
 | |
| 	if (MDOC_HEAD != mdoc->last->type) 			\
 | |
| 		return(1); 					\
 | |
| 	return(func(mdoc, "line arguments", (num)));	 	\
 | |
| }
 | |
| 
 | |
| 
 | |
| CHECK_CHILD_DEFN(warn, gt, >)			/* warn_child_gt() */
 | |
| CHECK_CHILD_DEFN(err, gt, >)			/* err_child_gt() */
 | |
| CHECK_CHILD_DEFN(warn, eq, ==)			/* warn_child_eq() */
 | |
| CHECK_CHILD_DEFN(err, eq, ==)			/* err_child_eq() */
 | |
| CHECK_CHILD_DEFN(err, lt, <)			/* err_child_lt() */
 | |
| CHECK_CHILD_DEFN(warn, lt, <)			/* warn_child_lt() */
 | |
| CHECK_BODY_DEFN(ge1, warn, warn_child_gt, 0)	/* bwarn_ge1() */
 | |
| CHECK_BODY_DEFN(ge1, err, err_child_gt, 0)	/* berr_ge1() */
 | |
| CHECK_ELEM_DEFN(ge1, warn, warn_child_gt, 0)	/* ewarn_ge1() */
 | |
| CHECK_ELEM_DEFN(eq1, err, err_child_eq, 1)	/* eerr_eq1() */
 | |
| CHECK_ELEM_DEFN(le1, err, err_child_lt, 2)	/* eerr_le1() */
 | |
| CHECK_ELEM_DEFN(eq0, err, err_child_eq, 0)	/* eerr_eq0() */
 | |
| CHECK_ELEM_DEFN(ge1, err, err_child_gt, 0)	/* eerr_ge1() */
 | |
| CHECK_HEAD_DEFN(eq0, err, err_child_eq, 0)	/* herr_eq0() */
 | |
| CHECK_HEAD_DEFN(le1, warn, warn_child_lt, 2)	/* hwarn_le1() */
 | |
| CHECK_HEAD_DEFN(ge1, err, err_child_gt, 0)	/* herr_ge1() */
 | |
| CHECK_HEAD_DEFN(eq1, warn, warn_child_eq, 1)	/* hwarn_eq1() */
 | |
| CHECK_HEAD_DEFN(eq0, warn, warn_child_eq, 0)	/* hwarn_eq0() */
 | |
| 
 | |
| 
 | |
| static int
 | |
| check_stdarg(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (n->args && 1 == n->args->argc)
 | |
| 		if (MDOC_Std == n->args->argv[0].arg)
 | |
| 			return(1);
 | |
| 	return(mdoc_nmsg(mdoc, n, MANDOCERR_NOARGV));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| check_args(struct mdoc *m, struct mdoc_node *n)
 | |
| {
 | |
| 	int		 i;
 | |
| 
 | |
| 	if (NULL == n->args)
 | |
| 		return(1);
 | |
| 
 | |
| 	assert(n->args->argc);
 | |
| 	for (i = 0; i < (int)n->args->argc; i++)
 | |
| 		if ( ! check_argv(m, n, &n->args->argv[i]))
 | |
| 			return(0);
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| check_argv(struct mdoc *m, struct mdoc_node *n, struct mdoc_argv *v)
 | |
| {
 | |
| 	int		 i;
 | |
| 
 | |
| 	for (i = 0; i < (int)v->sz; i++)
 | |
| 		if ( ! check_text(m, v->line, v->pos, v->value[i]))
 | |
| 			return(0);
 | |
| 
 | |
| 	if (MDOC_Std == v->arg) {
 | |
| 		if (v->sz || m->meta.name)
 | |
| 			return(1);
 | |
| 		if ( ! mdoc_nmsg(m, n, MANDOCERR_NONAME))
 | |
| 			return(0);
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| check_text(struct mdoc *mdoc, int line, int pos, char *p)
 | |
| {
 | |
| 	int		 c;
 | |
| 
 | |
| 	for ( ; *p; p++, pos++) {
 | |
| 		if ('\t' == *p) {
 | |
| 			if ( ! (MDOC_LITERAL & mdoc->flags))
 | |
| 				if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
 | |
| 					return(0);
 | |
| 		} else if ( ! isprint((u_char)*p) && ASCII_HYPH != *p)
 | |
| 			if ( ! mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADCHAR))
 | |
| 				return(0);
 | |
| 
 | |
| 		if ('\\' != *p)
 | |
| 			continue;
 | |
| 
 | |
| 		c = mandoc_special(p);
 | |
| 		if (c) {
 | |
| 			p += c - 1;
 | |
| 			pos += c - 1;
 | |
| 			continue;
 | |
| 		}
 | |
| 
 | |
| 		c = mdoc_pmsg(mdoc, line, pos, MANDOCERR_BADESCAPE);
 | |
| 		if ( ! (MDOC_IGN_ESCAPE & mdoc->pflags) && ! c)
 | |
| 			return(c);
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| 
 | |
| static int
 | |
| check_parent(PRE_ARGS, enum mdoct tok, enum mdoc_type t)
 | |
| {
 | |
| 
 | |
| 	assert(n->parent);
 | |
| 	if ((MDOC_ROOT == t || tok == n->parent->tok) &&
 | |
| 			(t == n->parent->type))
 | |
| 		return(1);
 | |
| 
 | |
| 	mdoc_vmsg(mdoc, MANDOCERR_SYNTCHILD,
 | |
| 				n->line, n->pos, "want parent %s",
 | |
| 				MDOC_ROOT == t ? "<root>" : 
 | |
| 					mdoc_macronames[tok]);
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_display(PRE_ARGS)
 | |
| {
 | |
| 	struct mdoc_node *node;
 | |
| 
 | |
| 	/* Display elements (`Bd', `D1'...) cannot be nested. */
 | |
| 
 | |
| 	if (MDOC_BLOCK != n->type)
 | |
| 		return(1);
 | |
| 
 | |
| 	/* LINTED */
 | |
| 	for (node = mdoc->last->parent; node; node = node->parent) 
 | |
| 		if (MDOC_BLOCK == node->type)
 | |
| 			if (MDOC_Bd == node->tok)
 | |
| 				break;
 | |
| 	if (NULL == node)
 | |
| 		return(1);
 | |
| 
 | |
| 	mdoc_nmsg(mdoc, n, MANDOCERR_NESTEDDISP);
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_bl(PRE_ARGS)
 | |
| {
 | |
| 	int		 i, comp, dup;
 | |
| 	const char	*offs, *width;
 | |
| 	enum mdoc_list	 lt;
 | |
| 
 | |
| 	if (MDOC_BLOCK != n->type) {
 | |
| 		assert(n->parent);
 | |
| 		assert(MDOC_BLOCK == n->parent->type);
 | |
| 		assert(MDOC_Bl == n->parent->tok);
 | |
| 		assert(LIST__NONE != n->parent->data.Bl.type);
 | |
| 		memcpy(&n->data.Bl, &n->parent->data.Bl,
 | |
| 				sizeof(struct mdoc_bl));
 | |
| 		return(1);
 | |
| 	}
 | |
| 
 | |
| 	/* 
 | |
| 	 * First figure out which kind of list to use: bind ourselves to
 | |
| 	 * the first mentioned list type and warn about any remaining
 | |
| 	 * ones.  If we find no list type, we default to LIST_item.
 | |
| 	 */
 | |
| 
 | |
| 	assert(LIST__NONE == n->data.Bl.type);
 | |
| 
 | |
| 	/* LINTED */
 | |
| 	for (i = 0; n->args && i < (int)n->args->argc; i++) {
 | |
| 		lt = LIST__NONE;
 | |
| 		dup = comp = 0;
 | |
| 		width = offs = NULL;
 | |
| 		switch (n->args->argv[i].arg) {
 | |
| 		/* Set list types. */
 | |
| 		case (MDOC_Bullet):
 | |
| 			lt = LIST_bullet;
 | |
| 			break;
 | |
| 		case (MDOC_Dash):
 | |
| 			lt = LIST_dash;
 | |
| 			break;
 | |
| 		case (MDOC_Enum):
 | |
| 			lt = LIST_enum;
 | |
| 			break;
 | |
| 		case (MDOC_Hyphen):
 | |
| 			lt = LIST_hyphen;
 | |
| 			break;
 | |
| 		case (MDOC_Item):
 | |
| 			lt = LIST_item;
 | |
| 			break;
 | |
| 		case (MDOC_Tag):
 | |
| 			lt = LIST_tag;
 | |
| 			break;
 | |
| 		case (MDOC_Diag):
 | |
| 			lt = LIST_diag;
 | |
| 			break;
 | |
| 		case (MDOC_Hang):
 | |
| 			lt = LIST_hang;
 | |
| 			break;
 | |
| 		case (MDOC_Ohang):
 | |
| 			lt = LIST_ohang;
 | |
| 			break;
 | |
| 		case (MDOC_Inset):
 | |
| 			lt = LIST_inset;
 | |
| 			break;
 | |
| 		case (MDOC_Column):
 | |
| 			lt = LIST_column;
 | |
| 			break;
 | |
| 		/* Set list arguments. */
 | |
| 		case (MDOC_Compact):
 | |
| 			dup = n->data.Bl.comp;
 | |
| 			comp = 1;
 | |
| 			break;
 | |
| 		case (MDOC_Width):
 | |
| 			dup = (NULL != n->data.Bl.width);
 | |
| 			width = n->args->argv[i].value[0];
 | |
| 			break;
 | |
| 		case (MDOC_Offset):
 | |
| 			/* NB: this can be empty! */
 | |
| 			if (n->args->argv[i].sz) {
 | |
| 				offs = n->args->argv[i].value[0];
 | |
| 				dup = (NULL != n->data.Bl.offs);
 | |
| 				break;
 | |
| 			}
 | |
| 			if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
 | |
| 				return(0);
 | |
| 			break;
 | |
| 		}
 | |
| 
 | |
| 		/* Check: duplicate auxiliary arguments. */
 | |
| 
 | |
| 		if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
 | |
| 			return(0);
 | |
| 
 | |
| 		if (comp && ! dup)
 | |
| 			n->data.Bl.comp = comp;
 | |
| 		if (offs && ! dup)
 | |
| 			n->data.Bl.offs = offs;
 | |
| 		if (width && ! dup)
 | |
| 			n->data.Bl.width = width;
 | |
| 
 | |
| 		/* Check: multiple list types. */
 | |
| 
 | |
| 		if (LIST__NONE != lt && n->data.Bl.type != LIST__NONE)
 | |
| 			if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTREP))
 | |
| 				return(0);
 | |
| 
 | |
| 		/* Assign list type. */
 | |
| 
 | |
| 		if (LIST__NONE != lt && n->data.Bl.type == LIST__NONE)
 | |
| 			n->data.Bl.type = lt;
 | |
| 
 | |
| 		/* The list type should come first. */
 | |
| 
 | |
| 		if (n->data.Bl.type == LIST__NONE)
 | |
| 			if (n->data.Bl.width || 
 | |
| 					n->data.Bl.offs || 
 | |
| 					n->data.Bl.comp)
 | |
| 				if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTFIRST))
 | |
| 					return(0);
 | |
| 
 | |
| 		continue;
 | |
| 	}
 | |
| 
 | |
| 	/* Allow lists to default to LIST_item. */
 | |
| 
 | |
| 	if (LIST__NONE == n->data.Bl.type) {
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_LISTTYPE))
 | |
| 			return(0);
 | |
| 		n->data.Bl.type = LIST_item;
 | |
| 	}
 | |
| 
 | |
| 	/* 
 | |
| 	 * Validate the width field.  Some list types don't need width
 | |
| 	 * types and should be warned about them.  Others should have it
 | |
| 	 * and must also be warned.
 | |
| 	 */
 | |
| 
 | |
| 	switch (n->data.Bl.type) {
 | |
| 	case (LIST_tag):
 | |
| 		if (n->data.Bl.width)
 | |
| 			break;
 | |
| 		if (mdoc_nmsg(mdoc, n, MANDOCERR_NOWIDTHARG))
 | |
| 			break;
 | |
| 		return(0);
 | |
| 	case (LIST_column):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_diag):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_ohang):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_inset):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_item):
 | |
| 		if (NULL == n->data.Bl.width)
 | |
| 			break;
 | |
| 		if (mdoc_nmsg(mdoc, n, MANDOCERR_WIDTHARG))
 | |
| 			break;
 | |
| 		return(0);
 | |
| 	default:
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_bd(PRE_ARGS)
 | |
| {
 | |
| 	int		 i, dup, comp;
 | |
| 	enum mdoc_disp 	 dt;
 | |
| 	const char	*offs;
 | |
| 
 | |
| 	if (MDOC_BLOCK != n->type) {
 | |
| 		assert(n->parent);
 | |
| 		assert(MDOC_BLOCK == n->parent->type);
 | |
| 		assert(MDOC_Bd == n->parent->tok);
 | |
| 		assert(DISP__NONE != n->parent->data.Bd.type);
 | |
| 		memcpy(&n->data.Bd, &n->parent->data.Bd, 
 | |
| 				sizeof(struct mdoc_bd));
 | |
| 		return(1);
 | |
| 	}
 | |
| 
 | |
| 	assert(DISP__NONE == n->data.Bd.type);
 | |
| 
 | |
| 	/* LINTED */
 | |
| 	for (i = 0; n->args && i < (int)n->args->argc; i++) {
 | |
| 		dt = DISP__NONE;
 | |
| 		dup = comp = 0;
 | |
| 		offs = NULL;
 | |
| 
 | |
| 		switch (n->args->argv[i].arg) {
 | |
| 		case (MDOC_Centred):
 | |
| 			dt = DISP_centred;
 | |
| 			break;
 | |
| 		case (MDOC_Ragged):
 | |
| 			dt = DISP_ragged;
 | |
| 			break;
 | |
| 		case (MDOC_Unfilled):
 | |
| 			dt = DISP_unfilled;
 | |
| 			break;
 | |
| 		case (MDOC_Filled):
 | |
| 			dt = DISP_filled;
 | |
| 			break;
 | |
| 		case (MDOC_Literal):
 | |
| 			dt = DISP_literal;
 | |
| 			break;
 | |
| 		case (MDOC_File):
 | |
| 			mdoc_nmsg(mdoc, n, MANDOCERR_BADDISP);
 | |
| 			return(0);
 | |
| 		case (MDOC_Offset):
 | |
| 			/* NB: this can be empty! */
 | |
| 			if (n->args->argv[i].sz) {
 | |
| 				offs = n->args->argv[i].value[0];
 | |
| 				dup = (NULL != n->data.Bd.offs);
 | |
| 				break;
 | |
| 			}
 | |
| 			if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_IGNARGV))
 | |
| 				return(0);
 | |
| 			break;
 | |
| 		case (MDOC_Compact):
 | |
| 			comp = 1;
 | |
| 			dup = n->data.Bd.comp;
 | |
| 			break;
 | |
| 		default:
 | |
| 			abort();
 | |
| 			/* NOTREACHED */
 | |
| 		}
 | |
| 
 | |
| 		/* Check whether we have duplicates. */
 | |
| 
 | |
| 		if (dup && ! mdoc_nmsg(mdoc, n, MANDOCERR_ARGVREP))
 | |
| 			return(0);
 | |
| 
 | |
| 		/* Make our auxiliary assignments. */
 | |
| 
 | |
| 		if (offs && ! dup)
 | |
| 			n->data.Bd.offs = offs;
 | |
| 		if (comp && ! dup)
 | |
| 			n->data.Bd.comp = comp;
 | |
| 
 | |
| 		/* Check whether a type has already been assigned. */
 | |
| 
 | |
| 		if (DISP__NONE != dt && n->data.Bd.type != DISP__NONE)
 | |
| 			if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPREP))
 | |
| 				return(0);
 | |
| 
 | |
| 		/* Make our type assignment. */
 | |
| 
 | |
| 		if (DISP__NONE != dt && n->data.Bd.type == DISP__NONE)
 | |
| 			n->data.Bd.type = dt;
 | |
| 	}
 | |
| 
 | |
| 	if (DISP__NONE == n->data.Bd.type) {
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_DISPTYPE))
 | |
| 			return(0);
 | |
| 		n->data.Bd.type = DISP_ragged;
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_ss(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (MDOC_BLOCK != n->type)
 | |
| 		return(1);
 | |
| 	return(check_parent(mdoc, n, MDOC_Sh, MDOC_BODY));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_sh(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (MDOC_BLOCK != n->type)
 | |
| 		return(1);
 | |
| 	return(check_parent(mdoc, n, MDOC_MAX, MDOC_ROOT));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_it(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (MDOC_BLOCK != n->type)
 | |
| 		return(1);
 | |
| 	/* 
 | |
| 	 * FIXME: this can probably be lifted if we make the It into
 | |
| 	 * something else on-the-fly?
 | |
| 	 */
 | |
| 	return(check_parent(mdoc, n, MDOC_Bl, MDOC_BODY));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_an(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (NULL == n->args || 1 == n->args->argc)
 | |
| 		return(1);
 | |
| 	mdoc_vmsg(mdoc, MANDOCERR_SYNTARGCOUNT, 
 | |
| 				n->line, n->pos,
 | |
| 				"line arguments == 1 (have %d)",
 | |
| 				n->args->argc);
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_rv(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	return(check_stdarg(mdoc, n));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_dt(POST_ARGS)
 | |
| {
 | |
| 	const struct mdoc_node *nn;
 | |
| 	const char	*p;
 | |
| 
 | |
| 	if (NULL != (nn = mdoc->last->child))
 | |
| 		for (p = nn->string; *p; p++) {
 | |
| 			if (toupper((u_char)*p) == *p)
 | |
| 				continue;
 | |
| 			if ( ! mdoc_nmsg(mdoc, nn, MANDOCERR_UPPERCASE))
 | |
| 				return(0);
 | |
| 			break;
 | |
| 		}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_dt(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (0 == mdoc->meta.date || mdoc->meta.os)
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
 | |
| 			return(0);
 | |
| 	if (mdoc->meta.title)
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
 | |
| 			return(0);
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_os(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (NULL == mdoc->meta.title || 0 == mdoc->meta.date)
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
 | |
| 			return(0);
 | |
| 	if (mdoc->meta.os)
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
 | |
| 			return(0);
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| pre_dd(PRE_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (mdoc->meta.title || mdoc->meta.os)
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGOOO))
 | |
| 			return(0);
 | |
| 	if (mdoc->meta.date)
 | |
| 		if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_PROLOGREP))
 | |
| 			return(0);
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_bf(POST_ARGS)
 | |
| {
 | |
| 	char		 *p;
 | |
| 	struct mdoc_node *head;
 | |
| 
 | |
| 	if (MDOC_BLOCK != mdoc->last->type)
 | |
| 		return(1);
 | |
| 
 | |
| 	head = mdoc->last->head;
 | |
| 
 | |
| 	if (mdoc->last->args && head->child) {
 | |
| 		/* FIXME: this should provide a default. */
 | |
| 		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
 | |
| 		return(0);
 | |
| 	} else if (mdoc->last->args)
 | |
| 		return(1);
 | |
| 
 | |
| 	if (NULL == head->child || MDOC_TEXT != head->child->type) {
 | |
| 		/* FIXME: this should provide a default. */
 | |
| 		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SYNTARGVCOUNT);
 | |
| 		return(0);
 | |
| 	}
 | |
| 
 | |
| 	p = head->child->string;
 | |
| 
 | |
| 	if (0 == strcmp(p, "Em"))
 | |
| 		return(1);
 | |
| 	else if (0 == strcmp(p, "Li"))
 | |
| 		return(1);
 | |
| 	else if (0 == strcmp(p, "Sy"))
 | |
| 		return(1);
 | |
| 
 | |
| 	mdoc_nmsg(mdoc, head, MANDOCERR_FONTTYPE);
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_lb(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (mdoc_a2lib(mdoc->last->child->string))
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADLIB));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_eoln(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (NULL == mdoc->last->child)
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_vt(POST_ARGS)
 | |
| {
 | |
| 	const struct mdoc_node *n;
 | |
| 
 | |
| 	/*
 | |
| 	 * The Vt macro comes in both ELEM and BLOCK form, both of which
 | |
| 	 * have different syntaxes (yet more context-sensitive
 | |
| 	 * behaviour).  ELEM types must have a child; BLOCK types,
 | |
| 	 * specifically the BODY, should only have TEXT children.
 | |
| 	 */
 | |
| 
 | |
| 	if (MDOC_ELEM == mdoc->last->type)
 | |
| 		return(eerr_ge1(mdoc));
 | |
| 	if (MDOC_BODY != mdoc->last->type)
 | |
| 		return(1);
 | |
| 	
 | |
| 	for (n = mdoc->last->child; n; n = n->next)
 | |
| 		if (MDOC_TEXT != n->type) 
 | |
| 			if ( ! mdoc_nmsg(mdoc, n, MANDOCERR_CHILD))
 | |
| 				return(0);
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_nm(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (mdoc->last->child)
 | |
| 		return(1);
 | |
| 	if (mdoc->meta.name)
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NONAME));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_at(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (NULL == mdoc->last->child)
 | |
| 		return(1);
 | |
| 	assert(MDOC_TEXT == mdoc->last->child->type);
 | |
| 	if (mdoc_a2att(mdoc->last->child->string))
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADATT));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_an(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (mdoc->last->args) {
 | |
| 		if (NULL == mdoc->last->child)
 | |
| 			return(1);
 | |
| 		return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGCOUNT));
 | |
| 	}
 | |
| 
 | |
| 	if (mdoc->last->child)
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_it(POST_ARGS)
 | |
| {
 | |
| 	int		  i, cols, rc;
 | |
| 	enum mdoc_list	  lt;
 | |
| 	struct mdoc_node *n, *c;
 | |
| 	enum mandocerr	  er;
 | |
| 
 | |
| 	if (MDOC_BLOCK != mdoc->last->type)
 | |
| 		return(1);
 | |
| 
 | |
| 	n = mdoc->last->parent->parent;
 | |
| 	lt = n->data.Bl.type;
 | |
| 
 | |
| 	if (LIST__NONE == lt) {
 | |
| 		mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_LISTTYPE);
 | |
| 		return(0);
 | |
| 	}
 | |
| 
 | |
| 	switch (lt) {
 | |
| 	case (LIST_tag):
 | |
| 		if (mdoc->last->head->child)
 | |
| 			break;
 | |
| 		/* FIXME: give this a dummy value. */
 | |
| 		if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
 | |
| 			return(0);
 | |
| 		break;
 | |
| 	case (LIST_hang):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_ohang):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_inset):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_diag):
 | |
| 		if (NULL == mdoc->last->head->child)
 | |
| 			if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOARGS))
 | |
| 				return(0);
 | |
| 		if (NULL == mdoc->last->body->child)
 | |
| 			if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
 | |
| 				return(0);
 | |
| 		break;
 | |
| 	case (LIST_bullet):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_dash):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_enum):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_hyphen):
 | |
| 		/* FALLTHROUGH */
 | |
| 	case (LIST_item):
 | |
| 		if (mdoc->last->head->child)
 | |
| 			if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_ARGSLOST))
 | |
| 				return(0);
 | |
| 		if (NULL == mdoc->last->body->child)
 | |
| 			if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
 | |
| 				return(0);
 | |
| 		break;
 | |
| 	case (LIST_column):
 | |
| 		cols = -1;
 | |
| 		for (i = 0; i < (int)n->args->argc; i++)
 | |
| 			if (MDOC_Column == n->args->argv[i].arg) {
 | |
| 				cols = (int)n->args->argv[i].sz;
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 		assert(-1 != cols);
 | |
| 		assert(NULL == mdoc->last->head->child);
 | |
| 
 | |
| 		if (NULL == mdoc->last->body->child)
 | |
| 			if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NOBODY))
 | |
| 				return(0);
 | |
| 
 | |
| 		for (i = 0, c = mdoc->last->child; c; c = c->next)
 | |
| 			if (MDOC_BODY == c->type)
 | |
| 				i++;
 | |
| 
 | |
| 		if (i < cols)
 | |
| 			er = MANDOCERR_ARGCOUNT;
 | |
| 		else if (i == cols || i == cols + 1)
 | |
| 			break;
 | |
| 		else
 | |
| 			er = MANDOCERR_SYNTARGCOUNT;
 | |
| 
 | |
| 		rc = mdoc_vmsg(mdoc, er, 
 | |
| 				mdoc->last->line, mdoc->last->pos, 
 | |
| 				"columns == %d (have %d)", cols, i);
 | |
| 		return(rc);
 | |
| 	default:
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_bl_head(POST_ARGS) 
 | |
| {
 | |
| 	int		  i;
 | |
| 	struct mdoc_node *n;
 | |
| 
 | |
| 	assert(mdoc->last->parent);
 | |
| 	n = mdoc->last->parent;
 | |
| 
 | |
| 	if (LIST_column == n->data.Bl.type) {
 | |
| 		for (i = 0; i < (int)n->args->argc; i++)
 | |
| 			if (MDOC_Column == n->args->argv[i].arg)
 | |
| 				break;
 | |
| 		assert(i < (int)n->args->argc);
 | |
| 
 | |
| 		if (n->args->argv[i].sz && mdoc->last->nchild) {
 | |
| 			mdoc_nmsg(mdoc, n, MANDOCERR_COLUMNS);
 | |
| 			return(0);
 | |
| 		}
 | |
| 		return(1);
 | |
| 	}
 | |
| 
 | |
| 	if (0 == (i = mdoc->last->nchild))
 | |
| 		return(1);
 | |
| 	return(warn_count(mdoc, "==", 0, "line arguments", i));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_bl(POST_ARGS)
 | |
| {
 | |
| 	struct mdoc_node	*n;
 | |
| 
 | |
| 	if (MDOC_HEAD == mdoc->last->type) 
 | |
| 		return(post_bl_head(mdoc));
 | |
| 	if (MDOC_BODY != mdoc->last->type)
 | |
| 		return(1);
 | |
| 	if (NULL == mdoc->last->child)
 | |
| 		return(1);
 | |
| 
 | |
| 	/*
 | |
| 	 * We only allow certain children of `Bl'.  This is usually on
 | |
| 	 * `It', but apparently `Sm' occurs here and there, so we let
 | |
| 	 * that one through, too.
 | |
| 	 */
 | |
| 
 | |
| 	/* LINTED */
 | |
| 	for (n = mdoc->last->child; n; n = n->next) {
 | |
| 		if (MDOC_BLOCK == n->type && MDOC_It == n->tok)
 | |
| 			continue;
 | |
| 		if (MDOC_Sm == n->tok)
 | |
| 			continue;
 | |
| 		mdoc_nmsg(mdoc, n, MANDOCERR_SYNTCHILD);
 | |
| 		return(0);
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| ebool(struct mdoc *mdoc)
 | |
| {
 | |
| 	struct mdoc_node *n;
 | |
| 
 | |
| 	/* LINTED */
 | |
| 	for (n = mdoc->last->child; n; n = n->next) {
 | |
| 		if (MDOC_TEXT != n->type)
 | |
| 			break;
 | |
| 		if (0 == strcmp(n->string, "on"))
 | |
| 			continue;
 | |
| 		if (0 == strcmp(n->string, "off"))
 | |
| 			continue;
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	if (NULL == n)
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, n, MANDOCERR_BADBOOL));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_root(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (NULL == mdoc->first->child)
 | |
| 		mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
 | |
| 	else if ( ! (MDOC_PBODY & mdoc->flags))
 | |
| 		mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCPROLOG);
 | |
| 	else if (MDOC_BLOCK != mdoc->first->child->type)
 | |
| 		mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
 | |
| 	else if (MDOC_Sh != mdoc->first->child->tok)
 | |
| 		mdoc_nmsg(mdoc, mdoc->first, MANDOCERR_NODOCBODY);
 | |
| 	else
 | |
| 		return(1);
 | |
| 
 | |
| 	return(0);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_st(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (mdoc_a2st(mdoc->last->child->string))
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADSTANDARD));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_rs(POST_ARGS)
 | |
| {
 | |
| 	struct mdoc_node	*nn;
 | |
| 
 | |
| 	if (MDOC_BODY != mdoc->last->type)
 | |
| 		return(1);
 | |
| 
 | |
| 	for (nn = mdoc->last->child; nn; nn = nn->next)
 | |
| 		switch (nn->tok) {
 | |
| 		case(MDOC__U):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__Q):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__C):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__A):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__B):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__D):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__I):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__J):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__N):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__O):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__P):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__R):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__T):
 | |
| 			/* FALLTHROUGH */
 | |
| 		case(MDOC__V):
 | |
| 			break;
 | |
| 		default:
 | |
| 			mdoc_nmsg(mdoc, nn, MANDOCERR_SYNTCHILD);
 | |
| 			return(0);
 | |
| 		}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_sh(POST_ARGS)
 | |
| {
 | |
| 
 | |
| 	if (MDOC_HEAD == mdoc->last->type)
 | |
| 		return(post_sh_head(mdoc));
 | |
| 	if (MDOC_BODY == mdoc->last->type)
 | |
| 		return(post_sh_body(mdoc));
 | |
| 
 | |
| 	return(1);
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_sh_body(POST_ARGS)
 | |
| {
 | |
| 	struct mdoc_node *n;
 | |
| 
 | |
| 	if (SEC_NAME != mdoc->lastsec)
 | |
| 		return(1);
 | |
| 
 | |
| 	/*
 | |
| 	 * Warn if the NAME section doesn't contain the `Nm' and `Nd'
 | |
| 	 * macros (can have multiple `Nm' and one `Nd').  Note that the
 | |
| 	 * children of the BODY declaration can also be "text".
 | |
| 	 */
 | |
| 
 | |
| 	if (NULL == (n = mdoc->last->child))
 | |
| 		return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
 | |
| 
 | |
| 	for ( ; n && n->next; n = n->next) {
 | |
| 		if (MDOC_ELEM == n->type && MDOC_Nm == n->tok)
 | |
| 			continue;
 | |
| 		if (MDOC_TEXT == n->type)
 | |
| 			continue;
 | |
| 		if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC))
 | |
| 			return(0);
 | |
| 	}
 | |
| 
 | |
| 	assert(n);
 | |
| 	if (MDOC_BLOCK == n->type && MDOC_Nd == n->tok)
 | |
| 		return(1);
 | |
| 	return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_BADNAMESEC));
 | |
| }
 | |
| 
 | |
| 
 | |
| static int
 | |
| post_sh_head(POST_ARGS)
 | |
| {
 | |
| 	char		        buf[BUFSIZ];
 | |
| 	enum mdoc_sec	        sec;
 | |
| 	const struct mdoc_node *n;
 | |
| 
 | |
| 	/*
 | |
| 	 * Process a new section.  Sections are either "named" or
 | |
| 	 * "custom"; custom sections are user-defined, while named ones
 | |
| 	 * usually follow a conventional order and may only appear in
 | |
| 	 * certain manual sections.
 | |
| 	 */
 | |
| 
 | |
| 	buf[0] = '\0';
 | |
| 
 | |
| 	/*
 | |
| 	 * FIXME: yes, these can use a dynamic buffer, but I don't do so
 | |
| 	 * in the interests of simplicity.
 | |
| 	 */
 | |
| 
 | |
| 	for (n = mdoc->last->child; n; n = n->next) {
 | |
| 		/* XXX - copied from compact(). */
 | |
| 		assert(MDOC_TEXT == n->type);
 | |
| 
 | |
| 		if (strlcat(buf, n->string, BUFSIZ) >= BUFSIZ) {
 | |
| 			mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
 | |
| 			return(0);
 | |
| 		}
 | |
| 		if (NULL == n->next)
 | |
| 			continue;
 | |
| 		if (strlcat(buf, " ", BUFSIZ) >= BUFSIZ) {
 | |
| 			mdoc_nmsg(mdoc, n, MANDOCERR_MEM);
 | |
| 			return(0);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	sec = mdoc_str2sec(buf);
 | |
| 
 | |
| 	/* 
 | |
| 	 * Check: NAME should always be first, CUSTOM has no roles,
 | |
| 	 * non-CUSTOM has a conventional order to be followed.
 | |
| 	 */
 | |
| 
 | |
| 	if (SEC_NAME != sec && SEC_NONE == mdoc->lastnamed)
 | |
| 		if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_NAMESECFIRST))
 | |
| 			return(0);
 | |
| 
 | |
| 	if (SEC_CUSTOM == sec)
 | |
| 		return(1);
 | |
| 
 | |
| 	if (sec == mdoc->lastnamed)
 | |
| 		if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECREP))
 | |
| 			return(0);
 | |
| 
 | |
| 	if (sec < mdoc->lastnamed)
 | |
| 		if ( ! mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECOOO))
 | |
| 			return(0);
 | |
| 
 | |
| 	/* 
 | |
| 	 * Check particular section/manual conventions.  LIBRARY can
 | |
| 	 * only occur in manual section 2, 3, and 9.
 | |
| 	 */
 | |
| 
 | |
| 	switch (sec) {
 | |
| 	case (SEC_LIBRARY):
 | |
| 		assert(mdoc->meta.msec);
 | |
| 		if (*mdoc->meta.msec == '2')
 | |
| 			break;
 | |
| 		if (*mdoc->meta.msec == '3')
 | |
| 			break;
 | |
| 		if (*mdoc->meta.msec == '9')
 | |
| 			break;
 | |
| 		return(mdoc_nmsg(mdoc, mdoc->last, MANDOCERR_SECMSEC));
 | |
| 	default:
 | |
| 		break;
 | |
| 	}
 | |
| 
 | |
| 	return(1);
 | |
| }
 | 
