Blog post notes

185

$ mirahc --java Macros.mirah 
Parsing...
  Macros.mirah
Inferring types...
Compiling...
  Macros.mirah
Macros.mirah:15: undefined method `block' for nil:NilClass
  attr_reader :foo
^^^^^^^^^^^^^^^^^^
Mirah::InternalCompilerError: undefined method `block' for nil:NilClass
             compile at mirah-0.0.11-java/lib/mirah/compiler/structure.rb:32
                send at org/jruby/RubyKernel.java:2084

repl_parse.rb

  begin
    ast = parser.parse_and_transform 'RePl'+Time.now.to_i.to_s, buffer
  rescue Mirah::SyntaxError => e
    if e.message =~ /expected \w+ before '<EOF>'/
      next
    else
      raise e
    end
  rescue NameError => e
    puts e
    next
  end

scoped_body_new.rb

        def scoped_body(scope, expression)
          if @method
            @method.block do
              super
            end
          else
            super
          end
        end
# https://github.com/mirah/mirah/blob/6ec73388100c8132440a08526a56248475c8ff72/lib/mirah/jvm/compiler/java_source.rb#L361-369

scoped_body_old.rb

        def scoped_body(scope, expression)
          @method.block do
            super
          end
        end
# https://github.com/mirah/mirah/blob/6b058459b9ea95b2d224003adef38afca23c751b/lib/mirah/jvm/compiler/java_source.rb#L361-365

wont_work_in_mirah_repl_hack

m> x = 1
m> puts X