doom | c2rust | |
---|---|---|
5 | 46 | |
486 | 3,682 | |
0.4% | 1.4% | |
4.1 | 9.4 | |
29 days ago | 8 days ago | |
C | Rust | |
GNU General Public License v3.0 only | GNU General Public License v3.0 or later |
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.
doom
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V is very similar to Go. ... Innovative memory management
Looks like the ~90-100% autofree and then reference counting, is a good memory management, and is very practical too, as proved by translating DOOM from C to V and building it in 0.7 seconds
- C2Rust Transpiler
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I started using Nim recently and have been very impressed. It feels like a better Rust than Rust, and a better Go than Go.
Excuse me? Work on the V operating system has begun, the C->V transpiler can kind of handle a single Doom source file at this point and the Volt app, for which V was created in the first place, is going to get open-sourced any day now.
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How Does V Compare To Zig
I believe that you're talking about doom repository. If that's the case, how'd I believe that it was indeed done using C2V when it's non-existent (checked the repo, it's still empty). A simple AST parsing python script with some heuristics can achieve one time conversion, that doesn't mean that it would work for all C programs.
c2rust
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Converting the Kernel to C++
A recent practical example of the former: the fish shell re-wrote incrementally from C++ to Rust, and is almost finished https://github.com/fish-shell/fish-shell/discussions/10123
An example of the latter: c2rust, which is a work in progress but is very impressive https://github.com/immunant/c2rust
It currently translates into unsafe Rust, but the strategy is to separate the "compile C to unsafe Rust" steps and the "compile unsafe Rust to safe Rust" steps. As I see it, as it makes the overall task simpler, allows for more user freedom, and makes the latter potentially useful even for non-transpiled code. https://immunant.com/blog/2023/03/lifting/
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Best tools to convert code between languages?
But not all transpilers are between languages where at least one of them is designed to be transpiled. For example, c2rust can transpile, as the name suggests, C to (ugly, unsafe) Rust. A while ago there was a Java -> C compiler in GCC (GCJ), but it's pretty out of date now.
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Translate C code to Rust working with libc
I do not know about your specific issue but you may be interested by https://github.com/immunant/c2rust
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Rewrite in Rust or Use Rust-bindings
You should also consider using C2Rust (they're even working on C -> safe Rust translation)
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Emitting Safer Rust with C2Rust
> The date at the bottom of the article is 2022-06-13. Has there been further progress?
The article links to their github repo:
https://github.com/immunant/c2rust
There's commits in the last hour, so at least some signal of life.
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Writing an OS in Rust to run on RISC-V
This is arguably already the state of things.
Rust might get compiled down through MIR, down through LLVM IR, down to assembly or wasm... which then might be JIT or AOT (re)compiled into other bytecodes... which might perhaps be decompiled back up to C... and C might be retranslated back to horrific unsafe-spamming Rust by the likes of https://c2rust.com/. We've come full circle!
The main issue is that retranslating high level languages into other high level languages isn't something that there's actually a lot of demand for, especially commercially, especially given the N x M translation matrix going on. So a lot of the projects "stabilize" (get abandoned). And automatically translating between the idioms of those languages gets even nastier in terms of matrix bloat.
Well, you've got stuff like MSIL and JVM bytecodes which are higher level, and preserve more type information, and can be compiled to / decompiled from while still preserving more structure, but they still form competing incompatible ecosystems.
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Will Carbon Replace C++?
That's the wrong direction. What's needed are intelligent converters which convert less-strict languages to more-strict ones.
Non-intelligent converters just make a mess. Here's c2rust.[1]
Classic C++ to modern C++, plus a compiler flag to lock out all the old unsafe stuff, would be an achievement.
[1] https://c2rust.com/
- What would you rewrite in Rust?
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Red Black Tree in Rust
Well, technically, it's not hard to build such data structures. If you are willing to liberally use raw pointers, UnsafeCell, MaybeUninit and ManuallyDrop, then you can more-or-less write C-equivalent code in unsafe Rust. (there are even transpilers from C to Rust)
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In Rust We Trust β A Transpiler from Unsafe C to Safer Rust
/uj This transpiles from C to unsafe Rust using an existing tool, then strips the unsafe keyword from the generated function signatures
What are some alternatives?
v - Simple, fast, safe, compiled language for developing maintainable software. Compiles itself in <1s with zero library dependencies. Supports automatic C => V translation. https://vlang.io
min-sized-rust - π¦ How to minimize Rust binary size π¦
cargo-zigbuild - Compile Cargo project with zig as linker
subsurface - This is the official upstream of the Subsurface divelog program
dmd - dmd D Programming Language compiler
librope - UTF-8 rope library for C
unsafe-libyaml - libyaml transpiled to rust by c2rust
checkedc - Checked C is an extension to C that lets programmers write C code that is guaranteed by the compiler to be type-safe. The goal is to let people easily make their existing C code type-safe and eliminate entire classes of errors. Checked C does not address use-after-free errors. This repo has a wiki for Checked C, sample code, the specification, and test code.
zz - πΊπ ZetZ a zymbolic verifier and tranzpiler to bare metal C [Moved to: https://github.com/zetzit/zz]
rtorrent - rTorrent BitTorrent client
langs
genny - Generate a shared library and bindings for many languages.