module Fig::Grammar::VersionIdentification

Public Instance Methods

_nt_everything() click to toggle source
# File lib/fig/grammar/version_identification.rb, line 43
def _nt_everything
  start_index = index
  if node_cache[:everything].has_key?(index)
    cached = node_cache[:everything][index]
    if cached
      node_cache[:everything][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    r2 = _nt_ws_or_comment
    if r2
      s1 << r2
    else
      break
    end
  end
  r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
  s0 << r1
  if r1
    r4 = _nt_grammar_version
    if r4
      r3 = r4
    else
      r3 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r3
    if r3
      s5, i5 = [], index
      loop do
        if index < input_length
          r6 = true
          @index += 1
        else
          terminal_parse_failure("any character")
          r6 = nil
        end
        if r6
          s5 << r6
        else
          break
        end
      end
      r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
      s0 << r5
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Everything0)
    r0.extend(Everything1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:everything][start_index] = r0

  r0
end
root() click to toggle source
# File lib/fig/grammar/version_identification.rb, line 19
def root
  @root ||= :everything
end