class SyntaxTree::Parser

def on_top_const_ref(constant)

on_top_const_ref: (Const constant) -> TopConstRef
:call-seq:
def on_top_const_ref(constant)
  operator = find_colon2_before(constant)
  TopConstRef.new(
    constant: constant,
    location: operator.location.to(constant.location)
  )
end