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Versions: 7

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Contents

# Handles the 'include' statement to mixin a module in the instance scope
class YARD::Handlers::Ruby::MixinHandler < YARD::Handlers::Ruby::Base
  namespace_only
  handles method_call(:include)
  
  process do
    errors = []
    statement.parameters(false).each do |mixin|
      begin
        process_mixin(mixin)
      rescue YARD::Parser::UndocumentableError => err
        errors << err.message
      end
    end
    if errors.size > 0
      msg = errors.size == 1 ? ": #{errors[0]}" : "s: #{errors.join(", ")}"
      raise YARD::Parser::UndocumentableError, "mixin#{msg} for class #{namespace.path}"
    end
  end

  protected

  def process_mixin(mixin)
    raise YARD::Parser::UndocumentableError unless mixin.ref?
    raise YARD::Parser::UndocumentableError if mixin.first.type == :ident
    
    case obj = Proxy.new(namespace, mixin.source)
    when Proxy
      obj.type = :module
    when ConstantObject # If a constant is included, use its value as the real object
      obj = Proxy.new(namespace, obj.value)
    end
    
    namespace.mixins(scope).unshift(obj) unless namespace.mixins(scope).include?(obj)
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version Path
yard-0.6.8 lib/yard/handlers/ruby/mixin_handler.rb
yard-0.6.7 lib/yard/handlers/ruby/mixin_handler.rb
yard-0.6.6 lib/yard/handlers/ruby/mixin_handler.rb
yard-0.6.5 lib/yard/handlers/ruby/mixin_handler.rb
yard-0.6.4 lib/yard/handlers/ruby/mixin_handler.rb
yard-0.6.3 lib/yard/handlers/ruby/mixin_handler.rb
yard-0.6.2 lib/yard/handlers/ruby/mixin_handler.rb