attribute_accessor_extension.mirah

interface AttributeAccessorExtension do
  macro def attr_reader(attr, type)
    quote do 
      def `attr`:`type`
        @`attr`
      end
    end 
  end

  macro def attr_writer(attr, type)
    attr_name = attr.string_value
    quote do 
      def `"#{attr_name}_set"`(val:`type`)
        @`attr` = val
      end
    end 
  end

  macro def attr_accessor(attr, type)
    attr_name = attr.string_value
    quote do 
      def `"#{attr_name}_set"`(val:`type`)
        @`attr` = val
      end
      def `attr`:`type`
        @`attr`
      end
    end 
  end
end

error

mirahc attribute_accessor_extension.mirah 
Parsing...
  attribute_accessor_extension.mirah
Inferring types...
Compiling...
  attribute_accessor_extension.mirah
Done!
nils:~/blog/posts/mirah_intro> mirahc person.mirah 
Parsing...
  person.mirah
Inferring types...
person.mirah:1: java.lang.NoClassDefFoundError: duby/lang/compiler/Macro
class Person 
^^^^^^^^^^^^^^
  implements AttributeAccessorExtension
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

^
  attr_accessor :name, :String
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
end
^^^
error on ClassDefinition(Person)(2000)
Mirah::InternalCompilerError: java.lang.NoClassDefFoundError: duby/lang/compiler/Macro
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/typer.rb:300
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/ast/structure.rb:35
             each at org/jruby/RubyArray.java:1572
  each_with_index at org/jruby/RubyEnumerable.java:905
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/ast/structure.rb:33
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/typer.rb:295
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/ast/structure.rb:266
       resolve_if at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/ast.rb:227
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/ast/structure.rb:261
            infer at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/typer.rb:295
       infer_asts at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/impl.rb:146
             each at org/jruby/RubyArray.java:1572
       infer_asts at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/impl.rb:146
         generate at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/impl.rb:92
          compile at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah/impl.rb:54
          compile at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/lib/mirah.rb:45
           (root) at /home/nils/.rvm/gems/jruby-1.6.0/gems/mirah-0.0.7-java/bin/mirahc:25
             load at org/jruby/RubyKernel.java:1062
           (root) at /home/nils/.rvm/gems/jruby-1.6.0/bin/mirahc:19

person.mirah

class Person 
  implements AttributeAccessorExtension
  attr_accessor :name, :String
end

m = Person.new
m.name = "Nils"
puts "My name is #{m.name}."