redef fun accept_literal(v) do
		value = n_integer.text.to_num
		if value == null then
			v.toolcontext.error(hot_location, "Error: invalid literal `{n_integer.text}`")
		end
	end

	redef fun accept_literal(v)
	do
		self.value = self.n_float.text.to_f
	end

	redef fun accept_literal(v)
	do
		if not is_valid_augmentation then
			v.toolcontext.error(hot_location, "Syntax Error: invalid prefix/suffix combination {prefix}/{suffix}")
			return
		end
		var txt = content.unescape_nit
		if txt.length != 3 then
			v.toolcontext.error(self.hot_location, "Syntax Error: invalid character literal `{txt}`.")
			return
		end
		self.value = txt.chars[1]
	end

	redef fun accept_literal(v) do
		value = raw_text
		bytes = raw_text.to_bytes
	end

	redef fun accept_literal(v)
	do
		if is_bytestring then
			v.toolcontext.error(hot_location, "Error: cannot produce a ByteString on a Superstring")
			return
		end
		if not is_valid_augmentation then
			v.toolcontext.error(hot_location, "Error: invalid prefix/suffix combination {prefix}/{suffix}")
			return
		end
	end

	redef fun accept_literal(v)
	do
		super
		if not is_valid_augmentation then
			v.toolcontext.error(hot_location, "Error: invalid prefix/suffix combination {prefix}/{suffix}")
			return
		end
		if prefix != "raw" then
			bytes = raw_text.unescape_to_bytes
			value = bytes.to_s
		end
	end