META II: A Syntax-Oriented Compiler Writing Language (1964) [pdf]
This seems very similar to OMeta <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;OMeta" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;OMeta</a> that has been ported to a lot of languages 
<a href="http:&#x2F;&#x2F;www.tinlizzie.org&#x2F;ometa&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.tinlizzie.org&#x2F;ometa&#x2F;</a><p>OMeta really changed my view on how to prototype languages. TL;DR, OMeta let&#x27;s you map patterns in your language to patterns in another language (say python) and thereby, you can implement a whole language roughly as easily as defining a BNF.