Continuous insertion buffering

[aycabta]

The rendering time in IRB has been reduced as follows:

start = Time.now

[{"_id"=>"5f9072a4589a06d2d74b6028",
  "index"=>0,
  "guid"=>"6b3051e2-dbc7-4537-bdb9-6cd7bb5358a7",
  "isActive"=>true,
  "balance"=>"$1,442.84",
  "picture"=>"http://placehold.it/32x32",
  "age"=>34,
  "eyeColor"=>"blue",
  "name"=>{"first"=>"Ward", "last"=>"Levy"},
  "company"=>"HYPLEX",
  "email"=>"[email protected]",
  "phone"=>"+1 (867) 568-3319",
  "address"=>"867 Cobek Court, Clara, Maryland, 3254",
  "about"=>
   "Exercitation eu ex aliqua sit. Pariatur aliquip incididunt sint id non consectetur ullamco Lorem ea mollit duis amet sint labore. Commodo laborum labore commodo officia in cillum adipisicing esse excepteur cupidatat adipisicing ut. Non esse incididunt voluptate aliquip cillum eu aute duis laboris sit et. Amet enim quis tempor occaecat excepteur exercitation excepteur deserunt amet cillum adipisicing.",
  "registered"=>"Monday, May 25, 2015 6:51 AM",
  "latitude"=>"16.001127",
  "longitude"=>"-72.377848",
  "tags"=>["dolore", "nostrud", "occaecat", "cillum", "nisi"],
  "range"=>[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
  "friends"=>
   [{"id"=>0, "name"=>"Alison Bryant"},
    {"id"=>1, "name"=>"Ester Espinoza"},
    {"id"=>2, "name"=>"Sullivan Kane"}],
  "greeting"=>"Hello, Ward! You have 7 unread messages.",
  "favoriteFruit"=>"apple"}]

puts "Duration: #{Time.now - start} seconds"

2.17sec -> 0.92sec

start = Time.now

"Exercitation eu ex aliqua sit. Pariatur aliquip incididunt sint id non consectetur ullamco Lorem ea mollit duis amet sint labore. Commodo laborum labore commodo officia in cillum adipisicing esse excepteur cupidatat adipisicing ut. Non esse incididunt voluptate aliquip cillum eu aute duis laboris sit et. Amet enim quis tempor occaecat excepteur exercitation excepteur deserunt amet cillum adipisicing."

puts "Duration: #{Time.now - start} seconds"

1.57sec -> 0.22sec

start = Time.now

def each_top_level_statement
  initialize_input
  catch(:TERM_INPUT) do
    loop do
      begin
        prompt
        unless l = lex
          throw :TERM_INPUT if @line == ''
        else
          @line_no += l.count("\n")
          next if l == "\n"
          @line.concat l
          if @code_block_open or @ltype or @continue or @indent > 0
            next
          end
        end
        if @line != "\n"
          @line.force_encoding(@io.encoding)
          yield @line, @exp_line_no
        end
        break if @io.eof?
        @line = ''
        @exp_line_no = @line_no

        @indent = 0
      rescue TerminateLineInput
        initialize_input
        prompt
      end
    end
  end
end

puts "Duration: #{Time.now - start} seconds"

0.88sec -> 0.77sec

ref. ruby/irb#43