Archive for April 18th, 2019

Kazanov’s fifth World’s Simplest Bytecode Intepreter (see the Fourth Simplest) isn’t quite so simple: it is an implementation of Thompson’s most basic regular expression table-driven DFA handler. It handles a complete set of Kleene’s Regular Expressions without the closure operator (no * operator), and it does so by exploiting the host language stack to handle […]

For the fourth World’s Simplest Bytecode Interpreter, Kazanov goes into a bit of esoterica without discussing why: he has “authentic bytecode”; he’s doing C programming and he dense-packs his instructions into a single 16-bit instruction. That’s fine if you’re emulating a real chunk of hardware, but for our purposes… I really don’t care. With that […]


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