class SyntaxTree::Index::EntryComments

interface to lazily parse them out.
backend doesn’t provide comments (since they are dropped) we provide this
we use the instruction sequence backend. Because the instruction sequence
This class handles parsing comments from Ruby source code in the case that

def each(&block) 

def each(&block)
  line = location.line - 1
  result = []
  while line >= 0 && (comment = file_comments.comments[line])
    result.unshift(comment)
    line -= 1
  end
  result.each(&block)
end

def initialize(file_comments, location) 

def initialize(file_comments, location)
  @file_comments = file_comments
  @location = location
end