DL::CStructBuilder

Public Class Methods

create(klass, types, members) click to toggle source

 
               # File dl/lib/dl/struct.rb, line 18
    def create(klass, types, members)
      new_class = Class.new(klass){
        define_method(:initialize){|addr|
          @entity = klass.entity_class.new(addr, types)
          @entity.assign_names(members)
        }
        define_method(:to_ptr){ @entity }
        define_method(:to_i){ @entity.to_i }
        members.each{|name|
          define_method(name){ @entity[name] }
          define_method(name + "="){|val| @entity[name] = val }
        }
      }
      size = klass.entity_class.size(types)
      new_class.module_eval(<<-EOS)
        def new_class.size()
          #{size}
        end
        def new_class.malloc()
          addr = DL.malloc(#{size})
          new(addr)
        end
      EOS
      return new_class
    end

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DL::CStructBuilder

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