c语言编写的词法分析程序(共12页).doc

#include #include #include #include #define SPACE 0x20 /空格键#define CHANGE c /转义字符#define STRING S /引号里的字符串#define BOUNDARY B /界符#define OPERATION O /运算符#define WORD I /标识符#define KEY_WORD K /关键字#define DIGIT n /数字，包括小数#define DOTH d /头文件，“.h”文件#define INT t#define VOID v#define IF f#define ELSE e#define WHILE w#define FOR r#define MAIN m#define PRINTF p#define INCLUD