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Interesting. Did you feel like you needed a strong understanding of compilers or automata to really grok what was going on (I think automata relate to programming languages, but could be mistaken)?

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None at all. Automata are used to turn a program from its textual form into some manageable data structure that something else will consume (actual interpreter/optimizer/compiler). At some point in the course (in the racket part) you will be asked to implement an interpreter for MUPL (made-up programming language), but the programs are directly written as a data structure - so no need to parse; in racket both data and code look exactly the same - it'll be a breeze.

I think the only requirements for this course is some plain procedural language (C/Pascal).

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