Print warnings for unresolved aliases.

require 'jsduck/logger'

module JsDuck

  class Aliases

      al_def = al[:alias]

      orig = @relations[al_def[:cls]]

      return al if not orig

      unless orig

        Logger.instance.warn("Class #{al_def[:cls]} not found in #{al[:filename]} line #{al[:linenr]}")

        return al

      end

      orig = orig.get_member(al_def[:member], al_def[:type] || al[:tagname])

      unless orig

        Logger.instance.warn("Member #{al_def[:cls]}##{al_def[:member]} not found in #{al[:filename]} line #{al[:linenr]}")

        return al

      end

      if orig[:alias]

        find_original(orig)