self.attach_function

in gems/aws-crt/lib/aws-crt/native.rb [77:107]

• 20 lines of code
• 7 McCabe index (conditional complexity)

      def self.attach_function(c_name, params, returns, options = {})
        ruby_name = c_name.to_s.sub(/aws_crt_/, '').to_sym
        raise_errors = options.fetch(:raise, true)
        options.delete(:raise)
        unless raise_errors
          return super(ruby_name, c_name, params, returns, options)
        end

        bang_name = "#{ruby_name}!"

        super(ruby_name, c_name, params, returns, options)
        alias_method(bang_name, ruby_name)

        define_method(ruby_name) do |*args, &block|
          res = public_send(bang_name, *args, &block)
          
          return unless res

          
          Errors.raise_last_error if res.is_a?(Integer) && res != 0

          
          Errors.raise_last_error if res.is_a?(FFI::Pointer) && res.null?

          res
        end

        module_function ruby_name
        module_function bang_name
      end