Module: Spoom::RBS::ExtractRBSComments

Included in:
Sorbet::Metrics::CodeMetricsVisitor, Sorbet::Translate::RBSCommentsToSorbetSigs::BaseTranslator
Defined in:
lib/spoom/rbs.rb

Instance Method Summary collapse

Instance Method Details

#node_rbs_comments(node) ⇒ Object

: (Prism::Node) -> Comments



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# File 'lib/spoom/rbs.rb', line 90

def node_rbs_comments(node)
  res = Comments.new

  comments = node.location.leading_comments.reverse
  return res if comments.empty?

  continuation_comments = [] #: Array[Prism::Comment]

  last_line = node.location.start_line

  comments.each do |comment|
    string = comment.slice

    comment_line = comment.location.end_line

    break if comment_line < last_line - 1

    last_line = comment_line

    if string.start_with?("# @")
      string = string.delete_prefix("#").strip
      res.annotations << Annotation.new(string, comment.location)
    elsif string.start_with?("#: ")
      string = string.delete_prefix("#:").strip
      location = comment.location
      continuation_locations = [] #: Array[Prism::Location]

      continuation_comments.reverse_each do |continuation_comment|
        string = "#{string}#{continuation_comment.slice.delete_prefix("#|")}"
        location = location.join(continuation_comment.location)
        continuation_locations << continuation_comment.location
      end
      continuation_comments.clear

      next if string.start_with?("type ")

      res.signatures.prepend(Signature.new(string, location, continuation_locations:))
    elsif string.start_with?("#|")
      continuation_comments << comment
    end
  end

  res
end