Display a message for the colored location of the node

Property definitions

nitc $ ANode :: debug
	# Display a message for the colored location of the node
	fun debug(message: String)
	do
		sys.stderr.write "{hot_location} {self.class_name}: {message}\n{hot_location.colored_line("0;32")}\n"
	end
src/parser/parser_nodes.nit:32,2--36,4