module Cucumber::Parser::Feature

def _nt_open_py_string
  start_index = index
  if node_cache[:open_py_string].has_key?(index)
    cached = node_cache[:open_py_string][index]
    @index = cached.interval.end if cached
    return cached
  end
  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    r2 = _nt_space
    if r2
      s1 << r2
    else
      break
    end
  end
  r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
  s0 << r1
  if r1
    if has_terminal?('"""', false, index)
      r3 = instantiate_node(SyntaxNode,input, index...(index + 3))
      @index += 3
    else
      terminal_parse_failure('"""')
      r3 = nil
    end
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        r5 = _nt_space
        if r5
          s4 << r5
        else
          break
        end
      end
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      s0 << r4
      if r4
        r6 = _nt_eol
        s0 << r6
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(OpenPyString0)
    r0.extend(OpenPyString1)
  else
    @index = i0
    r0 = nil
  end
  node_cache[:open_py_string][start_index] = r0
  r0
end