prusti-dev
flowistry
prusti-dev | flowistry | |
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23 | 15 | |
1,466 | 1,819 | |
1.0% | - | |
8.5 | 7.3 | |
12 days ago | 3 months ago | |
Rust | Rust | |
GNU General Public License v3.0 or later | MIT License |
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prusti-dev
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Using_Prolog_as_the_AST
> The overall goal would be to figure out classical error conditions like nill pointers deference.
> If I can figure out if a pointer will be nil in some execution branch, there is no reason why a computer cannot do the same.
Note, this is called flow-sensitive typing (also called type narrowing) and I think that typescript does it.
https://en.wikipedia.org/wiki/Flow-sensitive_typing
> I personally would see this as an human race level upgrades. Imagine feeding your code to a CI that spit back something like: "you will have a panic at line 156 when your input is > 4"
A model checker can do that!
See this
https://model-checking.github.io/kani/tutorial-kinds-of-fail...
Other techniques are also possible
https://github.com/viperproject/prusti-dev#quick-example
(Here I could link a lot of things, I just selected two Rust projects to illustrate)
This works better if you are able to provide contracts in your API that says which guarantees you provide. Alternatively, asserts are useful too.
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Programming Languages Going Above and Beyond
You might be interested in the Prusti project, which statically checks for absence of reachable panics, overflows etc. It also allows user-defined specifications such as pre and post-conditions, loop body invariants, termination checking and so on.
https://github.com/viperproject/prusti-dev
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Trying to find a crate that allows you to constrain the value of arguments in various ways via a proc macro
This is called refinement types and prusti might be the project you saw.
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rustc-plugin: A framework for writing plugins that integrate with the Rust compiler
But there's also a lot of exciting work around formal verification like Prusti.
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Is there something like "super-safe" rust?
prusti
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A plan for cybersecurity and grid safety
Efforts: seL4, Project Everest, the Prossimo project of the ISRG, Let's Encrypt, and Prusti for the Rust language
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Prop v0.42 released! Don't panic! The answer is... support for dependent types :)
Wow that sounds really cool! I'm not an expert but does that mean that one day you could implement dependend types or refinement types in Rust as a crate ? I currently only know of tools like: Flux Creusot Kani Prusti
- Prusti: Static Analyzer for Rust
flowistry
- An IDE plugin for Rust that helps you focus on relevant code
- Flowistry: an IDE plugin that analyzes the information flow of Rust programs, showing whether it's possible for one piece of code to affect another
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Any data flow visualization tools?
https://github.com/willcrichton/flowistry https://github.com/cognitive-engineering-lab/aquascope
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When do Rust's traits make your life difficult?
Hello Rustaceans, the same lab that has brought you The Rust Book Experiment, Aquascope, and Flowistry is starting a new endeavor. We want to understand when Rust's trait system makes it hard for you to understand or debug a Rust program.
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rustc-plugin: A framework for writing plugins that integrate with the Rust compiler
I'm personally excited about building developer tools with a sophisticated understanding of your Rust programs. So I've worked on tools like Flowistry and Aquascope.
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[blog] Rust should own its debugger experience
Maybe this vscode extension could be useful to you?
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Plugins/extensions for the Rust Analyzer?..
Maybe you would be interested in flowistry?
- flowistry plugin?
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Learn You an Agda (2014)
Quick, easy formal verification tools that programmers can use on the spot from the IDE are hard to make for most languages because most languages and their compilers weren't made with such thing in mind.
I guess Rust might be heading somewhere interesting with tooling, with tools like Flowistry existing (https://github.com/willcrichton/flowistry) showing what is possible. It's a plugin that can compute backwards / forwards static slices for you, straight in the IDE as a VSCode plugin. I think you need an external program that runs a full program analysis to do the same in C++.
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Visual lifetime indicator
Based on how Flowistry works I think this should be possible.
What are some alternatives?
MIRAI - Rust mid-level IR Abstract Interpreter
rustviz - Interactively Visualizing Ownership and Borrowing for Rust
kani - Kani Rust Verifier
code2flow - Pretty good call graphs for dynamic languages
Rudra - Rust Memory Safety & Undefined Behavior Detection
Sourcetrail - Sourcetrail - free and open-source interactive source explorer
automem - C++-style automatic memory management smart pointers for D
wslgit - Use Git installed in Bash on Windows/Windows Subsystem for Linux (WSL) from Windows and Visual Studio Code (VSCode)
tectonic - A modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive.
dbgee - The zero-configuration debuggee for debuggers. Handy utility that allows you to launch CLI debuggers and VSCode debuggers from the debuggee side.
rust - Empowering everyone to build reliable and efficient software.
shisho - Lightweight static analyzer for several programming languages