enum Op{
	O_DEREF		= 1,
	O_REF		= 2,
	O_INDEX		= 3,
	O_DOT		= 4,
	O_ARROW		= 5,
	O_PLUS		= 6,
	O_MINUS		= 7,
	O_MULT		= 8,
	O_DIV		= 9,
	O_CALL		= 10,
	O_MOD		= 11,
	O_ASSIGN	= 12,
	O_COMMA		= 13,
	O_SIZEOF	= 14,
	O_TYPEOF	= 15,
	O_QINDEX	= 16,
	O_CAST		= 17,
	O_QCAST		= 18,
	O_EQ		= 19,
	O_NE		= 20,
	O_LT		= 21,
	O_GT		= 22,
	O_LE		= 23,
	O_GE		= 24,
	O_ENV		= 25,
	O_LOGAND	= 26,
	O_LOGOR		= 27,
	O_LOGNOT	= 28,
	O_BITAND	= 29,
	O_BITOR		= 30,
	O_1SCOMP	= 31,
	O_BITXOR	= 32,
	O_FABS		= 33,
	O_QSTRUCT	= 34,
	O_QENUM		= 35,
	O_RANGE		= 36,
	O_SPECIAL	= 40,
	O_LSHIFT	= 41,
	O_RSHIFT	= 42,
};