# File kwartz.rb, line 3747
        def initialize(plcode_str, options={})
            @content = plcode_str
            @pos = -1
            @token = nil
            @token_str = nil
            @linenum = 1
            @options = options
            if options[:enable_eruby] then
                unless options[:lang]
                    raise ScanError.new("option '--enable_eruby' requires language name.")
                end
                @content = _exec_eruby(@content, options[:lang])
            end
        end