Module: SeeingIsBelieving::RemoveInlineComments

Extended by:
RemoveInlineComments
Included in:
RemoveInlineComments
Defined in:
lib/seeing_is_believing/remove_inline_comments.rb

Defined Under Namespace

Modules: NonLeading

Class Method Summary collapse

Class Method Details

.call(code, options = {}, &selector) ⇒ Object

selector is a block that will receive the comment object if it returns true, the comment will be removed



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# File 'lib/seeing_is_believing/remove_inline_comments.rb', line 29

def self.call(code, options={}, &selector)
  selector            ||= Proc.new { true }
  additional_rewrites   = options.fetch :additional_rewrites, Proc.new {}
  buffer                = Parser::Source::Buffer.new "strip_comments"
  buffer.source         = code
  parser                = Parser::CurrentRuby.new
  rewriter              = Parser::Source::Rewriter.new(buffer)
  ast, comments         = parser.parse_with_comments(buffer)
  comments.select { |comment| comment.type == :inline }
          .select { |comment| selector.call comment }
          .each   { |comment| rewriter.remove comment.location.expression }
  additional_rewrites.call buffer, rewriter
  rewriter.process
rescue Parser::SyntaxError => e
  raise SyntaxError, e.message
end