詞法分析器(4.外部檔案(關鍵字,操作符,讀入程式))

//-----------------------------------------------------source.txt-------------------------------------

#include<stdio.h>
//作者:kejie
//班別:03 電腦B
//學號:086

//這是來源程式
struct me
{
 char name[10];
 int age;
}

struct me kejie;
strcpy(kejie.name,"kejie");
kejie.age = 21;

//主程式
int main()
{
    printf("姓名%s  年齡:%d",
 kejie.name,kejie.age);
    return 0;
}

//-----------------------------------------OperatorTable.txt---------------------------------------

>
>>
>=
<
<<
<=
=
==
!
!=
+
++
+=
-
--
-=
*
*=
/
/=
%
&=
&
&=
&&
|
|=
||
^
^=
#
(
)
{
}
[
]
$
~
,
"
:
?:
;
.
->
_

//-----------------------------------------keyworld.txt---------------------------------------

auto
break
case
char
const
continue
default
define
do
double
else
enum
extern
float
for
goto
if
inline
include
int
long
register
restrict
return
short
signed
sizeof
static
struct
switch
typedef
union
unsigned
void
volatile
while
_Bool
_Complex
_Imaginary