qiskit/qasm/qasmparser.py
def p_measure(self, program):
        """
           measure : MEASURE primary ASSIGN primary
        """
        program[0] = node.Measure([program[2], program[4]])
        self.verify_reg(program[2], 'qreg')
        self.verify_reg(program[4], 'creg')
def p_measure(self, program):
        """
           measure : MEASURE primary ASSIGN primary
        """
        program[0] = node.Measure([program[2], program[4]])
        self.verify_reg(program[2], 'qreg')
        self.verify_reg(program[4], 'creg')
measure : MEASURE primary ASSIGN primary