Top Level Namespace

Defined Under Namespace

Modules: Ask

Instance Method Summary collapse

Instance Method Details

#capture_output ⇒ Object 



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# File 'lib/ask/tools/shell/repl/kernel_script.rb', line 38

def capture_output
  old_out = $stdout
  old_err = $stderr
  out = StringIO.new
  err = StringIO.new
  $stdout = out
  $stderr = err
  yield
  [out.string, err.string]
ensure
  $stdout = old_out
  $stderr = old_err
end

#read_frame ⇒ Object 



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# File 'lib/ask/tools/shell/repl/kernel_script.rb', line 24

def read_frame
  line = $stdin.gets
  return nil if line.nil?

  JSON.parse(line)
rescue JSON::ParserError
  { "error" => "invalid request frame" }
end

#safe_inspect(value) ⇒ Object 



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# File 'lib/ask/tools/shell/repl/kernel_script.rb', line 52

def safe_inspect(value)
  value.inspect
rescue StandardError
  "#<#{value.class}>"
end

#write_frame(frame) ⇒ Object 



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# File 'lib/ask/tools/shell/repl/kernel_script.rb', line 33

def write_frame(frame)
  $stdout.puts(JSON.generate(frame))
  $stdout.flush
end