class Sus::Output::Backtrace

def print(output)
	if @limit == 1
		filter.each do |frame|
			output.write " ", :path, frame.path, :line, ":", frame.lineno
		end
	else
		output.indented do
			filter.each do |frame|
				output.puts :indent, :path, frame.path, :line, ":", frame.lineno, :reset, " ", frame.label
			end
		end
	end
end