Gir is an optimizing brainfuck interpreter in Javascript.

Name
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𒌋𒀜 gir (Sumerian) - n. kiln

License
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Everything in the repo is under Unlicense / CC0.

Status
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Gir can parse and prettyprint to Javascript console programs in brainfuck.
Gir supports following optimizations:

* Turn runs of +- or <> into one command
* Turn [-] or [+] into one command
* Add offsets to commands that modify tape, to reduce moving tape head

TODO
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* Implement `:;#`
* Optimization pass to turn multiply loops into commands that do `x += y * c`
* Make VM use a Proxied object that gives out 0 for nonexistent elements for
  its memory
* Implement UTF-8 I/O
* Allow cycle maximum to be passed to `run()`
* Keep a cache of compiled programs in `run()`