Method: Treetop::Compiler::Metagrammar#_nt_inline_module

Defined in:

lib/vendor/treetop/lib/treetop/compiler/metagrammar.rb

#_nt_inline_module ⇒ Object

# File 'lib/vendor/treetop/lib/treetop/compiler/metagrammar.rb', line 2694

def _nt_inline_module
  start_index = index
  if node_cache[:inline_module].has_key?(index)
    cached = node_cache[:inline_module][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index('{', index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('{')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3 = index
      r4 = _nt_inline_module
      if r4
        r3 = r4
      else
        i5, s5 = index, []
        i6 = index
        if input.index(Regexp.new('[{}]'), index) == index
          r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          r7 = nil
        end
        if r7
          r6 = nil
        else
          self.index = i6
          r6 = instantiate_node(SyntaxNode,input, index...index)
        end
        s5 << r6
        if r6
          if index < input_length
            r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure("any character")
            r8 = nil
          end
          s5 << r8
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(InlineModule0)
        else
          self.index = i5
          r5 = nil
        end
        if r5
          r3 = r5
        else
          self.index = i3
          r3 = nil
        end
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if input.index('}', index) == index
        r9 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure('}')
        r9 = nil
      end
      s0 << r9
    end
  end
  if s0.last
    r0 = instantiate_node(InlineModule,input, i0...index, s0)
    r0.extend(InlineModule1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:inline_module][start_index] = r0

  return r0
end