lexer grammar BraketPragmasLexer; import qasm3Lexer; BRAKET: 'braket'; UNITARY: 'unitary'; RESULT: 'result'; NOISE: 'noise'; VERBATIM: 'verbatim'; STATE_VECTOR: 'state_vector'; PROBABILITY: 'probability'; DENSITY_MATRIX: 'density_matrix'; AMPLITUDE: 'amplitude'; EXPECTATION: 'expectation'; VARIANCE: 'variance'; SAMPLE: 'sample'; X: 'x'; Y: 'y'; Z: 'z'; I: 'i'; H: 'h'; HERMITIAN: 'hermitian'; ALL: 'all'; AT: '@'; BIT_FLIP: 'bit_flip'; PHASE_FLIP: 'phase_flip'; PAULI_CHANNEL: 'pauli_channel'; DEPOLARIZING: 'depolarizing'; TWO_QUBIT_DEPOLARIZING: 'two_qubit_depolarizing'; TWO_QUBIT_DEPHASING: 'two_qubit_dephasing'; AMPLITUDE_DAMPING: 'amplitude_damping'; GENERALIZED_AMPLITUDE_DAMPING: 'generalized_amplitude_damping'; PHASE_DAMPING: 'phase_damping'; KRAUS: 'kraus';