1#@!#!123s

: / opt / td-agent / embedded / lib / ruby / gems / 2.1.0 / gems / arel-6.0.4 / lib / arel / visitors /

Filename : reduce.rb

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require 'arel/visitors/visitor'

module Arel
  module Visitors
    class Reduce < Arel::Visitors::Visitor
      def accept object, collector
        visit object, collector
      end

      private

      def visit object, collector
        send dispatch[object.class], object, collector
      rescue NoMethodError => e
        raise e if respond_to?(dispatch[object.class], true)
        superklass = object.class.ancestors.find { |klass|
          respond_to?(dispatch[klass], true)
        }
        raise(TypeError, "Cannot visit #{object.class}") unless superklass
        dispatch[object.class] = dispatch[superklass]
        retry
      end
    end
  end
end