micro-mitten
zz
| micro-mitten | zz | |
|---|---|---|
| 1 | 10 | |
| 531 | 1,604 | |
| - | - | |
| 0.0 | 1.9 | |
| almost 4 years ago | almost 2 years ago | |
| Rust | Rust | |
| GNU General Public License v3.0 only | MIT License |
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micro-mitten
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Does such a language already exist ("Rust--")?
Micro-mitten (different approach but should be nearly as fast and safe)
zz
- A "logical" compiler
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Is it possible to have a superset of the C programming languages standard that is as safe as Rust?
There is this: https://github.com/zetzit/zz
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ISO C became unusable for operating systems development
You're right that you can't define a safe subset of C without making it practical. MISRA C defines a C subset intended to help avoid C's footguns, but it still isn't actually a safe language. There are alternative approaches though:
1. Compile a safe language to C (whether a new language or an existing one)
2. Formal analysis of C, or of some practical subset of C, to prove the absence of undefined behaviour
Work has been done on both approaches.
ZZ compiles to C. [0] Dafny can compile to C++, but it seems that's not its primary target. [1][2]
There are several projects on formal analysis of C. [3][4][5][6]
[0] https://github.com/zetzit/zz
[1] https://github.com/dafny-lang/dafny
[2] https://dafny-lang.github.io/dafny/
[3] https://frama-c.com/
[4] https://www.microsoft.com/en-us/research/project/vcc-a-verif...
[5] https://www.eschertech.com/products/ecv.php
[6] https://trust-in-soft.com/
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Foundations of Dawn: The Untyped Concatenative Calculus
Formal methods have been used successfully for decades; it's not just a pipe dream. Perfect software should ideally be something like ultra-low-defect software, though (that's the term the AdaCore folks use).
There are also other projects that aim to make formal software development much easier [0][1] and of course there's SPARK Ada.
[0] https://github.com/zetzit/zz
[1] https://github.com/dafny-lang/dafny
- ZetZ: A zymbolic verifier and tranzpiler to bare metal C Resources
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Programming in Z3 by learning to think like a compiler
This post reminds me that I've been wanting to try out ZetZ[0]. It incorporates Z3 into a high-level programming language, and seems to do a lot of what the post talks about automatically.
[0] https://github.com/zetzit/zz
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Grids in Rust, part 2: const generics
I still want to try the ZZ language (https://github.com/zetzit/zz) someday. It compiles to C, and uses a SMT solver to prove that you don't index out-of-bounds at compile time. But I don't like how it lacks generics, uses C idioms, and compiles to C.
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Another technique to manage memory
The zz language uses a SMT solver to check for program soundness... I haven't tried it, but that's got to be more flexible and resource-hungry.
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We are building a new systems programming language
Especially the fact that it outputs C code. So interop is seamless.
https://github.com/zetzit/zz
For any systems language, interop with C is the litmus test.
With that in mind, this new language should not require 15,000 lines of standard library. A type-safe wrapper for libc should be enough...
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Does such a language already exist ("Rust--")?
You might find ZetZ interesting!
What are some alternatives?
mmtk-core - Memory Management ToolKit
TinyGo - Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.
lexgen - A fully-featured lexer generator, implemented as a proc macro
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.
seize - Fast, efficient, and robust memory reclamation for Rust.
angr - A powerful and user-friendly binary analysis platform!
pony-tutorial - :horse: Tutorial for the Pony programming language
CrossHair - An analysis tool for Python that blurs the line between testing and type systems.
firefly-boot - Bootstrap compiler for Firefly
alive2 - Automatic verification of LLVM optimizations
Carp - A statically typed lisp, without a GC, for real-time applications.
dafny - Dafny is a verification-aware programming language