# A code token.
# This class is mainly used to factorize work between single and double quoted span codes.
abstract class TokenCode
	super Token

	redef fun emit(v) do
		var current_text = v.current_text.as(not null)
		var a = pos + next_pos + 1
		var b = v.find_token(current_text, a, self)
		if b > 0 then
			v.current_pos = b + next_pos
			while a < b and current_text[a] == ' ' do a += 1
			if a < b then
				while current_text[b - 1] == ' ' do b -= 1
				v.decorator.add_span_code(v, current_text, a, b)
			end
		else
			v.addc char
		end
	end

	private fun next_pos: Int is abstract
end