typedef enum
{
//错误、结束
ENDFILE,ERROR,
//保留字
AUTO,BREAK,CASE,CHAR,CONST,CONTINUE ,DEFAULT , DO ,DOUBLE, ELSE,
ENUM, EXTERN , FLOAT ,FOR , GOTO,IF, INT, LONG,REGISTER , RETURN,
SHORT, SIGNED ,SIZEOF ,STATIC, STRUCT ,SWITCH, TYPEDEF ,UNION,
UNSIGNED , VOID,VOLATILE , WHILE,
//其他 token
ID,NUM,CHARACTER,STRING,
//特殊符号
//+、-、*、/、++、--、+=、-=、*=、<、<=、>、>=、==、!=、=、;、,、(、)、
[、]、 //{、}、/*、*/、:
PLUS,MINUS,TIMES,OVER,SELFPLUS,SELFMINUS,PLUSASSIGN,
MINUSASSIGN,TIMESASSIGN,LT,LEQ,GT,GEQ,EQ,NEQ,ASSIGN,
SEMI,COMMA,LPAREN, MINUSASSIGN,TIMESASSIGN,LT,LEQ,GT,
GEQ,EQ,NEQ,ASSIGN,SEMI,COMMA,LPAREN, RPAREN,LBRACKET,RBRACKET,
LCBRACKET,RCBRACKET,LCOMMENT,RCOMMENT,COLON
} TokenType;
