vendor/rails/activesupport/lib/active_support/core_ext/name_error.rb

   1 # Add a +missing_name+ method to NameError instances.
   2 class NameError #:nodoc:
   3   # Add a method to obtain the missing name from a NameError.
   4   def missing_name
   5     $1 if /((::)?([A-Z]\w*)(::[A-Z]\w*)*)$/ =~ message
   6   end
   7
   8   # Was this exception raised because the given name was missing?
   9   def missing_name?(name)
  10     if name.is_a? Symbol
  11       last_name = (missing_name || '').split('::').last
  12       last_name == name.to_s
  13     else
  14       missing_name == name.to_s
  15     end
  16   end
  17 end