BNF graphs for Lisp, Java, SQL, and other languages

cui.unige.ch

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Browse and explore some of your favourite programming languages syntactic rules. See relations between the rules, understand them using both BNF (Backus-Naur Form notation) and syntactic diagrams.

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The one for "LISP" is an idealized Lisp that's just a step above the pure, untyped lambda calculus. See Gregory Chaitin's Algorithmic Information Theory for a slightly more detailed implementation of an ancient but pure Lisp.

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