Method: Origen::Registers::Placeholder#enabled?

Defined in:
lib/origen/registers.rb

#enabled? ⇒ Boolean

Returns true if the register is enabled by a feature of owner.

Returns:

  • (Boolean) 


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# File 'lib/origen/registers.rb', line 155

def enabled?
  if feature
    value = false
    current_owner = self
    if feature.class == Array
      feature.each do |f|
        current_owner = self
        loop do
          if current_owner.respond_to?(:owner)
            current_owner = current_owner.owner
            if current_owner.respond_to?(:has_feature?)
              if current_owner.has_feature?(f)
                value = true
                break
              end
            end
          else # if current owner does not have a owner
            value = false
            break
          end
        end # loop end
        unless value
          if Origen.top_level && \
             Origen.top_level.respond_to?(:has_feature?) && \
             Origen.top_level.has_feature?(f)
            value = true
            unless value
              break
            end
          end
        end
        unless value
          break # break if feature not found and return false
        end
      end # iterated through all features in array
      value
    else # if feature.class != Array
      loop do
        if current_owner.respond_to?(:owner)
          current_owner = current_owner.owner
          if current_owner.respond_to?(:has_feature?)
            if current_owner.has_feature?(feature)
              value = true
              break
            end
          end
        else # if current owner does not have a owner
          value = false
          break
        end
      end # loop end
      unless value
        if Origen.top_level && \
           Origen.top_level.respond_to?(:has_feature?) && \
           Origen.top_level.has_feature?(feature)
          value = true
        end
      end
      value
    end
  else
    true
  end
end