[Haskell-cafe] feasability of implementing an awk interpreter.

Bill Atkins watkins at alum.rpi.edu
Sat Aug 21 23:22:15 EDT 2010

I don't think Template Haskell will be essential for this - you will probably need a parser (probably written with Parsec), an eval function, and a state monad to represent imperative changes made by the language you're evaluating.  Template Haskell is more for the elimination of boilerplate code or turning specs into compile-time constraints.

On Thursday Aug 19, 2010, at 11:05 PM, Michael Litchard wrote:

> I'd like the community to give me feedback on the difficulty level of
> implementing an awk interpreter. What language features would be
> required? Specifically I'm hoping that TH is not necessary because I'm
> nowhere near that skill level.
> An outline of a possible approach would be appreciated. I am using
> http://www.math.utah.edu/docs/info/gawk_toc.html
> as a guide to the language description.
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