So, I am adding features to my parser at an amazing rate, 250+ tests already. It's so easy that i catch myself thinking i am cheating. The other day i added qualified function calls in like 10 minutes or so. _Great_
But now i have hit this "hanging" issue and am not sure how to even debug. Generally speaking, sometimes when i make a small typing mistake, instead of getting an error from parslet i get silence. No matter how long i let it run, when i interrupt, it's always about the same stack-trace (below): I put a test case for this up : https://github.com/ruby-in-ruby/crystal/blob/master/test/parser/test_fails.rb If you look, it defines a function in a class, and generally speaking that works. But the case has no brackets on the function, as is legal in ruby. But I haven't implemented that, so in my parser it's not legal. Iif i add () after the function it works. The function is defined here: https://github.com/ruby-in-ruby/crystal/blob/master/lib/parser/call_site.rb but i that alone can't be the problem, because outside a class definition i do get the error, not the hang. So, as i said, any clues to how i can debug that kind of thing ? Torsten /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/source.rb:84:in `bytepos=': Interrupt from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:46:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/repetition.rb:35:in `block in try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/repetition.rb:34:in `loop' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/repetition.rb:34:in `try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:31:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/named.rb:17:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/sequence.rb:29:in `block in try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/sequence.rb:27:in `each' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/sequence.rb:27:in `each_with_index' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/sequence.rb:27:in `try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:31:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/entity.rb:21:in `try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:31:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/alternative.rb:35:in `block in try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/alternative.rb:34:in `map' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/alternative.rb:34:in `try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:31:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/repetition.rb:35:in `block in try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/repetition.rb:34:in `loop' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/repetition.rb:34:in `try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:31:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/entity.rb:21:in `try' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/context.rb:31:in `try_with_cache' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:83:in `apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:70:in `setup_and_apply' from /Users/raisa/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/parslet-1.6.1/lib/parslet/atoms/base.rb:30:in `parse'
