kvakvs / Erlangrt
Licence: other
Erlang Replacement Therapy. Another attempt to make Erlang runtime (BEAM emulator) in Rust. Good news: I know what to do. Bad news: I have no clue how to Rust
Stars: ✭ 531
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ErlangRT - Runtime
Erlang Replacement Therapy. This is an attempt to make Erlang runtime (BEAM emulator) in Rust. This is not the first attempt so I kinda know what I'm doing.
Progress to the Proof of Concept
- Term library 80% (remaining 80% are in progress)
- External Term Format (decoder 70%, encoder 0%)
- BEAM Loader - mostly done
- VM and processes 40%
- VM loop and opcodes 45% (74 of 168)
- Some basic BIFs <15%
- Binaries, sub-binaries, binary heap, binary opcodes: <20%
.. figure:: http://imgur.com/H5qypZG.png
:scale: 50%
:alt: Trying to run init:boot/1
Tests in priv/test2.erl work. Running make test tries to run init:boot/1 and produces the output above.
Compiling
* The source assumes that you have Erlang OTP 22+ source in a Git submodule in ``otp/``,
and the stdlib and preload BEAM files are compiled and ready. Makefile takes care of it.
* Install latest **Rust** and **Cargo** via `Rustup <http://doc.crates.io/>`_
* Run ``make`` and with the magic of Bash autocomplete see which targets it
supports. You might like:
* ``make run`` - runs the executable with test args, whatever set by the developer,
do not expect it to show any magical tricks;
* ``make doc`` - builds doc pages in ``target/doc/erlang_rt/``
* ``make test`` - runs the tests
* ``make build`` and ``make build-rel`` - builds but does not run the debug and
the release target respectively
Currently the emulator expects to have preloaded BEAM modules from OTP 22+ located in `otp/`
Git submodule (Makefile takes care of it).
Editing and Code Navigation
I am using and strongly recommend IntelliJ IDEA CE (free version) with IntelliJ-Rust plugin (available in repositories tab inside IntelliJ).
Reference Material
* `BEAM Wisdoms <http://beam-wisdoms.clau.se/>`_ (I run this one)
* `The BEAM book <https://github.com/happi/theBeamBook>`_
(I am also one of the editors there)
Contributing
````````````
See ``CONTRIBUTING.rst``
License Inspection
------------------
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