Contents

require 'multidispatch_dsl/generator'
require 'multidispatch_dsl/missing_declaration_error'

module MultidispatchDSL::DSL
  def self.included(klass)
    klass.extend(::MultidispatchDSL::DSL::ClassMethods)
  end

  module ClassMethods
    def mdef(method_name, *declaration, &block)
      real_method_name = ::MultidispatchDSL::Generator.method_name_from_declaration(method_name, declaration)
      define_method(real_method_name, &block)

      unless method_defined?(method_name)
        class_eval <<-RUBY, __FILE__, __LINE__ + 1
          def #{ method_name }(*args, &block)
            real_method_name = ::MultidispatchDSL::Generator.method_name_from_args(__callee__, args)
            if respond_to?(real_method_name)
              send(real_method_name, *args, &block)
            else
              raise ::MultidispatchDSL::MissingDeclarationError.new(__callee__, args)
            end
          end
        RUBY
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
multidispatch_dsl-0.1.0	lib/multidispatch_dsl/dsl.rb