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When we originally implemented calc(), the result of a calculation was guaranteed to be a single CSS type like a Length or Angle. However, CSS Values 4 now allows more complex type arithmetic, which is represented by the CSSNumericType class. Using that directly makes us more correct, and allows us to remove a large amount of now ad-hoc code. Unfortunately this is a large commit but the changes it makes are interconnected enough that doing one at a time causes test regressions. In no particular order: - Update our "determine the type of a calculation" code to match the newest spec, which sets percent hints in a couple more cases. (One of these we're skipping for now, I think it fails because of the FIXMEs in CSSNumericType::matches_foo().) - Make the generated math-function-parsing code aware of the difference between arguments being the same type, and being "consistent" types, for each function. Otherwise those extra percent hints would cause them to fail validation incorrectly. - Use the CSSNumericType as the type for the CalculationResult. - Calculate and assign each math function's type in its constructor, instead of calculating it repeatedly on-demand. The `CalculationNode::resolved_type()` method is now entirely unused and has been removed.
Ladybird
Ladybird is a truly independent web browser, using a novel engine based on web standards.
Important
Ladybird is in a pre-alpha state, and only suitable for use by developers
Features
We aim to build a complete, usable browser for the modern web.
Ladybird uses a multi-process architecture with a main UI process, several WebContent renderer processes, an ImageDecoder process, and a RequestServer process.
Image decoding and network connections are done out of process to be more robust against malicious content. Each tab has its own renderer process, which is sandboxed from the rest of the system.
At the moment, many core library support components are inherited from SerenityOS:
- LibWeb: Web rendering engine
- LibJS: JavaScript engine
- LibWasm: WebAssembly implementation
- LibCrypto/LibTLS: Cryptography primitives and Transport Layer Security
- LibHTTP: HTTP/1.1 client
- LibGfx: 2D Graphics Library, Image Decoding and Rendering
- LibUnicode: Unicode and locale support
- LibMedia: Audio and video playback
- LibCore: Event loop, OS abstraction layer
- LibIPC: Inter-process communication
How do I build and run this?
See build instructions for information on how to build Ladybird.
Ladybird runs on Linux, macOS, Windows (with WSL2), and many other *Nixes.
How do I read the documentation?
Code-related documentation can be found in the documentation folder.
Get in touch and participate!
Join our Discord server to participate in development discussion.
Please read Getting started contributing if you plan to contribute to Ladybird for the first time.
Before opening an issue, please see the issue policy and the detailed issue-reporting guidelines.
The full contribution guidelines can be found in CONTRIBUTING.md.
License
Ladybird is licensed under a 2-clause BSD license.