Earley Parsing Explained
Earley Parsing Explained Earley parsers are among the most general parsers out there. They can parse any context free language without restriction, and can even be extended towards context sensitivity. They are reasonably fast on most practical grammars, and are easy to implement (the core algorithms take less than 200 lines of code). On the other hand, most of the information I found about them i
How I implemented my own crypto
August 2017 How I implemented my own crypto At long last, Monocypher, my crypto library, is done and ready for production. It was more work than expected, and I’ve learned more than I cared to, but we now have a crypto library that could displace Libsodium itself. This is how I did it. Why It all started with a simple complaint: the company I was working for relied on a proprietary file encryption
Metacompilers
Metacompilers Here are some experiments about metacompilation. For now, I have two toys: a re-implementation of MetaII, and a simple implementation of Parsing Expression Grammars on top of Parsec for Haskell. Meta II for Lua This is a straightforward re-implementation of META II from Shorre’s paper, using Lua instead of a custom assembler. You can download it here. Despite this being 60’s technolo
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