mrustc
gccrs
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mrustc | gccrs | |
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75 | 1 | |
2,069 | 4 | |
- | - | |
9.0 | 0.0 | |
6 days ago | almost 3 years ago | |
C++ | ||
MIT License | GNU General Public License v3.0 only |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
mrustc
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Why do lifetimes need to be leaky?
No, you don't. Existential proof: mrustc ignores lifetimes. Just flat out simply ignores. It changes some corner-cases related to HRBT, yet rustc compiled by mrustc works (that's BTW mrustc exist: to bootsrap the rustc compiler).
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I think C++ is still a desirable coding platform compared to Rust
Incidentally C++ is the only way to bootstrap rust without rust today.
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Rust – Faster compilation with the parallel front-end in nightly
Well, there is mrustc[0], a Rust compiler that doesn't include a borrow-checker, so it's possible to compile (at least some versions of) Rust without a borrow checker, though it might not result in the most optimized code.
AFAIK there are some optimization like the infamous `noalias` optimization (which took several tries to get turned on[1]) that uses information established during borrow checking.
I'm also not sure what the relation with NLL (non-lexical lifetimes) is, where I would assume you would need at least a primitive borrow-checker to establish some information that the backend might be interested in. Then again, mrustc compiles Rust versions that have NLL features without a borrow-checker, so it's again probably more on the optimization side than being essential.
- Running the "Reflections on Trusting Trust" Compiler
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GCC 13 and the state of gccrs
Mrustc supports Rust 1.54.0 today
- Any alternate Rust compilers?
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Stop Comparing Rust to Old C++
There are three. The official one, mrustc (no borrow checker, but can essentially compile the official rustc) and GCC (can't really compile anything substantial yet). Only rustc is production-ready though.
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“33% of GStreamer commits are now in Rust”, from the 1.22 release notes
Otherwise you could try compiling to C using mrustc and going from there, but as mrustc is really only intended for compiler bootstrapping it won't be a fun experience. Mrustc mostly just assumes that the code you're compiling is valid, so you lose all the advantages of choosing Rust over C in the first place. It also targets x86-64 so the C it emits might need some work before it'll compile.
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Am I dumb or does rust have a garbage collector?
In fact, https://github.com/thepowersgang/mrustc compiles code without the need for a borrow checker :-)
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GCC Rust Front-End Cleared For Merging In GCC 13
Instead of an independent re-implementation, a small niche implementation whose only purpose is to bootstrap, like mrustc. Since its a much smaller scope, and only intended to work on known correct code, its much simpler and easier to do. It doesnt need to do any type or borrow checking or much of anything, because the rust source is already known to be correct/checked by itself.
gccrs
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What is Rust written in ?
Rust currently has one fully working compiler, rustc. There's a project to add a Rust frontend to GCC, which would make GCC able to compile Rust. That is written in C and C++, not Rust. C++ was bootstrapped from C, and C was bootstrapped from B, which was bootstrapped from GE 635 assembly.
What are some alternatives?
gccrs - GCC Front-End for Rust
llvm-cbe - resurrected LLVM "C Backend", with improvements
rust-ttapi
miri - An interpreter for Rust's mid-level intermediate representation
gcc-rust - a (WIP) Rust frontend for gcc / a gcc backend for rustc
winlamb - A lightweight modern C++11 library for Win32 API, using lambdas to handle Windows messages.
ponyc - Pony is an open-source, actor-model, capabilities-secure, high performance programming language
rustls - A modern TLS library in Rust
reference - The Rust Reference
polonius - Defines the Rust borrow checker.
rustc_codegen_cranelift - Cranelift based backend for rustc
rust - Empowering everyone to build reliable and efficient software.