text2.txt

java写的词法分析器

int	Keywords	1	1
a	Identifier	1	5
=	Operator	1	7
1	IntNumber	1	9
;	Delimiter	1	11
int	Keywords	2	1
i	Identifier	2	5
;	Delimiter	2	6
int	Keywords	3	1
b	Identifier	3	5
;	Delimiter	3	6
while	Keywords	4	1
(	Delimiter	4	6
i	Identifier	4	7
>	Operator	4	8
0	IntNumber	4	9
)	Delimiter	4	11
{	Delimiter	5	1
if	Keywords	5	2
(	Delimiter	5	4
b	Identifier	5	5
>	Operator	5	6
0	IntNumber	5	7
)	Delimiter	5	9
a	Identifier	6	2
=	Operator	6	3
a	Identifier	6	4
+	Operator	6	5
1.5	FloatNumber	6	6
/	Operator	6	11
3	IntNumber	6	11
;	Delimiter	6	13
else	Keywords	7	2
a	Identifier	8	2
=	Operator	8	3
a	Identifier	8	4
-	Operator	8	6
1E2	ExpNumber	8	6
*	Operator	8	11
3	IntNumber	8	11
;	Delimiter	8	13
}	Delimiter	9	1