openbsd-src / usr.bin / vi / docs / internals / gdb.script

#	$OpenBSD: gdb.script,v 1.3 2001/01/29 01:58:38 niklas Exp $

#	@(#)gdb.script	8.5 (Berkeley) 5/4/96

# display the VI screen map
# usage dmap(sp)
define	dmap
	set $h = ((VI_PRIVATE *)$arg0->vi_private)->h_smap
	set $t = ((VI_PRIVATE *)$arg0->vi_private)->t_smap
	while ($h <= $t)
		printf "lno: %2d; soff %d coff %d ", \
		    (int)$h->lno, (int)$h->soff, (int)$h->coff
		if ($h->c_ecsize == 0)
			printf "flushed\n"
		else
			printf "\n\tsboff %d; scoff %d\n", \
			    (int)$h->c_sboff, (int)$h->c_scoff
			printf "\teboff %d; eclen %d; ecsize %d\n", \
			    (int)$h->c_eboff, (int)$h->c_eclen, \
			    (int)$h->c_ecsize
		end
		set $h = $h + 1
	end
end

# display the tail of the VI screen map
define	tmap
	set $h = ((VI_PRIVATE *)$arg0->vi_private)->h_smap
	set $t = ((VI_PRIVATE *)$arg0->vi_private)->t_smap
	while ($t >= $h)
		printf "lno: %2d; soff %d coff %d ", \
		    (int)$t->lno, (int)$t->soff, (int)$t->coff
		if ($t->c_ecsize == 0)
			printf "flushed\n"
		else
			printf "\n\tsboff %d; scoff %d\n", \
			    (int)$t->c_sboff, (int)$t->c_scoff
			printf "\teboff %d; eclen %d; ecsize %d\n", \
			    (int)$t->c_eboff, (int)$t->c_eclen, \
			    (int)$t->c_ecsize
		end
		set $t = $t - 1
	end
end

# display the private structures
define	clp
	print *((CL_PRIVATE *)sp->gp->cl_private)
end
define	vip
	print *((VI_PRIVATE *)sp->vi_private)
end
define	exp
	print *((EX_PRIVATE *)sp->ex_private)
end

# display the marks
define	markp
	set $h = sp->ep->marks.next
	set $t = &sp->ep->marks
	while ($h != 0 && $h != $t)
		printf "key %c lno: %d cno: %d flags: %x\n", \
		    ((MARK *)$h)->name, ((MARK *)$h)->lno, \
		    ((MARK *)$h)->cno, ((MARK *)$h)->flags
		set $h = ((MARK *)$h)->next
	end
end

# display the tags
define	tagp
	set $h = sp->taghdr.next
	set $t = &sp->taghdr
	while ($h != 0 && $h != $t)
		printf "tag: %s lno %d cno %d\n", ((TAG *)$h)->frp->fname, \
		    ((TAG *)$h)->lno, ((TAG *)$h)->cno
		set $h= ((TAG *)$h)->next
	end
end