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tvl-depot/tvix/eval
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Vincent Ambo 6bbe7589c5 feat(tvix/eval): optimise tail calls in emitted chunks 
When the last instruction in a chunk is OpCall, make it an OpTailCall instead.

Change-Id: I2c80a06ee85e4abf545887b1a79b6d8b5e6123e9
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6458
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>
2022-09-10 21:57:13 +00:00
..
benches test(tvix/eval): Add attr merge benchmarks 2022-09-03 06:56:02 +00:00
docs refactor(tvix/eval): return call frame result from VM::call 2022-09-08 12:53:20 +00:00
src feat(tvix/eval): optimise tail calls in emitted chunks 2022-09-10 21:57:13 +00:00
.gitignore feat(tvix/eval): check in generated project skeleton 2022-08-12 12:34:29 +00:00
.skip-subtree feat(tvix/tests): check in Nix' language test suite 2022-08-24 21:25:41 +00:00
Cargo.lock chore(tvix/eval): bump all dependencies 2022-09-07 19:08:56 +00:00
Cargo.toml feat(tvix/eval): implement DisassemblingObserver for compiler 2022-09-09 21:10:10 +00:00
default.nix fix(tvix/eval): don't rebuild drv upon changes in cargo target dir 2022-09-04 21:02:50 +00:00
README.md docs(tvix/eval): add a note on how to run Nix tests 2022-09-03 00:47:58 +00:00

README.md

Tvix Evaluator

This project implements an interpreter for the Nix programming language.

The interpreter aims to be compatible with nixpkgs, on the foundation of Nix 2.3.

Work on this project is extremely in-progress, and the state of the project in the public repository may not necessarily reflect the state of the private codebase, as we are slowly working on publishing it.

We expect this to have caught up in a handful of weeks (as of 2022-08-12).

Please contact TVL with any questions you might have.

Nix test suite

C++ Nix implements a language test suite in the form of Nix source code files, and their expected output. The coverage of this test suite is not complete, but we intend to be compatible with it.

We have ported the test suite to Tvix, but do not run it by default as we are not yet compatible with it.

You can run the test suite by enabling the nix_tests feature in Cargo:

cargo test --features nix_tests

rnix-parser

Tvix is written in memory of jD91mZM2, the author of rnix-parser who sadly passed away.

Tvix makes heavy use of rnix-parser in its bytecode compiler. The parser is now maintained by Nix community members.