bbb.t

词法分析

{	{
int	int
ID	a
;	;
int	int
ID	b
;	;
read	read
ID	a
;	;
write	write
ID	a
;	;
if	if
(	(
ID	a
==	==
NUM	10
)	)
ID	b
=	=
NUM	1
;	;
else	else
ID	b
=	=
NUM	2
;	;
write	write
ID	b
;	;
while	while
(	(
ID	a
<=	<=
NUM	6
)	)
ID	b
=	=
NUM	3
;	;
write	write
ID	b
;	;
ID	b
=	=
NUM	0
;	;
for	for
(	(
ID	a
=	=
NUM	0
;	;
ID	a
<	<
NUM	5
;	;
ID	a
=	=
ID	a
+	+
NUM	1
)	)
ID	b
=	=
NUM	4
;	;
write	write
ID	b
;	;
}	}