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1 point by Adlai 4811 days ago | link | parent

I think that Lisp can support good quality syntax parsers. An example of this, although it's not a full fledged language, is CatDancer's JSON parser built on top of a general-purpose parser library: (it's a long article, the relevant parts are the ones about the parser-combinator approach).

Also, it seems as though your in-house language isn't completely specified yet. One area where Lisp excels is implementing unspecified things, and changing them with great flexibility on-the-fly.

Shader mentioned that Arc is slow, and this does seem to be the case. If you really want to use a Lisp, and Arc is too slow, it's probably worth looking at a few other Lisps before turning to Option A -- there are very fast implementations of both Common Lisp and Scheme.