mac0()
mac1(0)
mac2(1 "a")
mac3("x" "y" "z")
mac0(.)

# (macro_call (@ 1 0-4) ‘mac0’
#   (.arguments nil)
# )
# (macro_call (@ 2 0-4) ‘mac1’
#   (.arguments
#     (string (@ 2 5-6) ‘0’)
#   )
# )
# (macro_call (@ 3 0-4) ‘mac2’
#   (.arguments
#     (string (@ 3 5-6) ‘1’)
#     (string (@ 3 7-10) ‘"a"’)
#   )
# )
# (macro_call (@ 4 0-4) ‘mac3’
#   (.arguments
#     (string (@ 4 5-8) ‘"x"’)
#     (string (@ 4 9-12) ‘"y"’)
#     (string (@ 4 13-16) ‘"z"’)
#   )
# )
# (macro_call (@ 5 0-4) ‘mac0’
#   (.arguments
#     (nothing (@ 5 5-6))
#   )
# )