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A WebAssembly compiler that fits in a tweet
Starting with a 192-byte one-liner that implements a Reverse Polish Notation arithmetic compiler, we'll work backward to transform it into readable JavaScript by removing one code golf trick at a time
One of the initial explorations that started this book was how small and simple a compile-to-WebAssembly language implemented in JavaScript could be. At a high level, what we’re doing is ‘parsing’ the expression in a very simple way, turning it into the appropriate Wasm bytecode, and then hand-crafting the bytes for a single-function module. You’ll learn the ins and outs of WebAssembly by writing a real compiler for a simple programming language.
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