_ElementList

in doc-src/parsejs/lib/parsejs/grammar.kpeg.rb [7253:7356]

• 97 lines of code
• 28 McCabe index (conditional complexity)

  def _ElementList

    _save = self.pos
    while true # choice

      _save1 = self.pos
      while true # sequence
        _tmp = apply(:_ElementList)
        list = @result
        unless _tmp
          self.pos = _save1
          break
        end
        _tmp = apply(:__hyphen_)
        unless _tmp
          self.pos = _save1
          break
        end
        _tmp = match_string(",")
        unless _tmp
          self.pos = _save1
          break
        end
        _tmp = apply(:__hyphen_)
        unless _tmp
          self.pos = _save1
          break
        end
        _save2 = self.pos
        _tmp = apply(:_Elision)
        @result = nil unless _tmp
        unless _tmp
          _tmp = true
          self.pos = _save2
        end
        elision = @result
        unless _tmp
          self.pos = _save1
          break
        end
        _tmp = apply(:__hyphen_)
        unless _tmp
          self.pos = _save1
          break
        end
        _tmp = apply(:_AssignmentExpression)
        expr = @result
        unless _tmp
          self.pos = _save1
          break
        end
        @result = begin;  list + (elision || []) + [expr] ; end
        _tmp = true
        unless _tmp
          self.pos = _save1
        end
        break
      end # end sequence

      break if _tmp
      self.pos = _save

      _save3 = self.pos
      while true # sequence
        _save4 = self.pos
        _tmp = apply(:_Elision)
        @result = nil unless _tmp
        unless _tmp
          _tmp = true
          self.pos = _save4
        end
        elision = @result
        unless _tmp
          self.pos = _save3
          break
        end
        _tmp = apply(:__hyphen_)
        unless _tmp
          self.pos = _save3
          break
        end
        _tmp = apply(:_AssignmentExpression)
        expr = @result
        unless _tmp
          self.pos = _save3
          break
        end
        @result = begin;  (elision || []) + [expr] ; end
        _tmp = true
        unless _tmp
          self.pos = _save3
        end
        break
      end # end sequence

      break if _tmp
      self.pos = _save
      break
    end # end choice

    set_failed_rule :_ElementList unless _tmp
    return _tmp
  end