Pavel Senatorov posted a comment on discussion Open Discussion

https://stackoverflow.com/questions/48120499/looking-for-graphtree-transformer-usage-examples As here described I make new compiler of PL Ya http://Ya-Lang.com so in search for compiler construction tools: graph#tree transformers and output source code generators = pretty printers. XLs look like a good option. Yet after downloading XL2 XLR source code I see C++ not XLs ;(. But Wikipedia states WP XL PL> a complete rewrite of the compiler was started in 2003. ..., and all new development is now written...