Module: RKelly::Visitable
- Included in:
- Nodes::Node
- Defined in:
- lib/rkelly/visitable.rb
Instance Method Summary collapse
-
#accept(visitor, &block) ⇒ Object
Based off the visitor pattern from RubyGarden.
Instance Method Details
#accept(visitor, &block) ⇒ Object
Based off the visitor pattern from RubyGarden
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# File 'lib/rkelly/visitable.rb', line 4 def accept(visitor, &block) klass = self.class.ancestors.find { |ancestor| visitor.respond_to?("visit_#{ancestor.name.split(/::/)[-1]}") } if klass visitor.send(:"visit_#{klass.name.split(/::/)[-1]}", self, &block) else raise "No visitor for '#{self.class}'" end end |