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by etyp
159 days ago
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To quote the very first paragraph of the bytecode interpreter section[1]: > The style of interpretation it uses—walking the AST directly—is good enough for some real-world uses, but leaves a lot to be desired for a general-purpose scripting language. Sometimes it's useful to teach progressively, using techniques that were used more often and aren't as much anymore, rather than firehosing a low-level bytecode at people. [1] https://craftinginterpreters.com/a-bytecode-virtual-machine.... |
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He's doesn't actually build on this though, but rather goes back to a single pass compiler (no AST, no visitor) for his bytecode compiler.