qiskit/qasm/qasmparser.py
def p_barrier(self, program):
        """
        barrier : BARRIER primary_list
        """
        program[0] = node.Barrier([program[2]])
        self.verify_reg_list(program[2], 'qreg')
        self.verify_distinct([program[2]])
def p_barrier(self, program):
        """
        barrier : BARRIER primary_list
        """
        program[0] = node.Barrier([program[2]])
        self.verify_reg_list(program[2], 'qreg')
        self.verify_distinct([program[2]])
def p_barrier ( self , program ) : program [ 0 ] = node . Barrier ( [ program [ 2 ] ] ) self . verify_reg_list ( program [ 2 ] , 'qreg' ) self . verify_distinct ( [ program [ 2 ] ] )
barrier : BARRIER primary_list
barrier : BARRIER primary_list