]> file library use with access after alias all array assert assume assume_guarantee attribute begin block body bus case component constant context cover default disconnect downto else elsif end fairness falling_edge false file for force function generate generic group guarded if impure inertial is label linkage literal map new null of on open others package parameter port postponed procedure process property protected pure range record register reject release report rising_edge select sequence severity signal shared strong subtype then to transport true type use unaffected units until variable view vmode vprop vunit wait when with note warning error failure in inout out buffer and abs or xor xnor not mod nand nor rem rol ror sla sra sll srl exit next return signal variable constant type attribute to downto others fs ps ns us ms sec min hr bit bit_vector character boolean boolean_vector integer integer_vector real real_vector time time_vector delay_length string severity_level positive natural file_open_kind file_open_status signed unsigned unresolved_unsigned unresolved_signed line text side width std_logic std_logic_vector std_ulogic std_ulogic_vector x01 x01z ux01 ux01z qsim_state qsim_state_vector qsim_12state qsim_12state_vector qsim_strength mux_bit mux_vector reg_bit reg_vector wor_bit wor_vector configuration component entity