# File lib/rr/injections/method_missing_injection.rb, line 27 def bind unless class_instance_method_defined(subject_class, original_method_alias_name) unless class_instance_method_defined(subject_class, :method_missing) @placeholder_method_defined = true subject_class.class_eval do def method_missing(method_name, *args, &block) super end end end # Ruby 1.9 will raise a NoMethodError when #method_missing is defined # on the subject, but #to_ary isn't. #method_missing will always be # defined thanks to BasicObject, but #to_ary may not, so in this case # we need to supply our own. Furthermore, Ruby has special logic to # handle the return value of #to_ary; if it is nil, then it tells Ruby # to ignore #to_ary altogether and use a default rule to arrayify the # object in question. unless class_instance_method_defined(subject_class, :to_ary) subject_class.class_eval do def to_ary; nil; end end end subject_class.__send__(:alias_method, original_method_alias_name, :method_missing) bind_method end self end
# File lib/rr/injections/method_missing_injection.rb, line 11 def exists?(subject) instances.include?(subject) end
# File lib/rr/injections/method_missing_injection.rb, line 5 def find_or_create(subject_class) instances[subject_class] ||= begin new(subject_class).bind end end
# File lib/rr/injections/method_missing_injection.rb, line 32 def method_missing(method_name, *args, &block) super end
# File lib/rr/injections/method_missing_injection.rb, line 55 def reset if subject_has_method_defined?(original_method_alias_name) memoized_original_method_alias_name = original_method_alias_name placeholder_method_defined = @placeholder_method_defined subject_class.class_eval do remove_method :method_missing unless placeholder_method_defined alias_method :method_missing, memoized_original_method_alias_name end remove_method memoized_original_method_alias_name end end end
# File lib/rr/injections/method_missing_injection.rb, line 70 def bind_method id = BoundObjects.size BoundObjects[id] = subject_class subject_class.class_eval(( def method_missing(method_name, *args, &block) obj = ::RR::Injections::MethodMissingInjection::BoundObjects[#{id}] MethodDispatches::MethodMissingDispatch.new(self, obj, method_name, args, block).call end), __FILE__, __LINE__ + 1) end
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