# File lib/sass/script/parser.rb, line 99 def parse_mixin_definition_arglist args = defn_arglist!(false) assert_done args.each do |k, v| k.options = @options v.options = @options if v end args rescue Sass::SyntaxError => e e.modify_backtrace :line => @lexer.line, :filename => @options[:filename] raise e end