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CONTRIBUTING.md

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Introduction

This repository welcomes contributions of all kinds, including:

  • Issues for bugs, feature requests, or performance issues
  • Documentation improvements
  • PR submissions
  • PR reviews

There is one exception to "contributions of all kinds", which is changes to the UI layer. There will soon be a big refactor of the UI layer to make it easier to work with an reason about and until then only bug fixes will be allowed. Alternative UI implementations, such as a terminal UI, are welcome though.

Especially of value are:

  • Tests for anything except the UI layer (either new tests or meaningfully improving existing tests)
  • Quality documentation

New features in the parser and evaluator are also welcome.

Working with this project

Setting Up Your Build Environment

To work on this project you need to have a Rust toolchain installed. (Official installer)

Make sure your Rust toolchain is up-to-date to take advantage of the latest language features.

rustup update stable

This project uses some unstable formatting options so you also need a nightly toolchain.

# Install if you don't already have a nightly toolchain
rustup toolchain install nightly

# Update if you already have a nightly toolchain
rustup update nightly

How to compile

This is a standard cargo project with workspaces. To build the entire project simply run:

cargo build

You can also compile specific workspaces:

cd raekna-parser && cargo build

For Linux users

Before you build the project run the following to install the dependencies for wgpu:

sudo apt-get update -y -qq
sudo add-apt-repository ppa:oibaf/graphics-drivers -y
sudo apt-get update -y -qq
sudo apt install -y libegl1-mesa libgl1-mesa-dri libxcb-xfixes0-dev mesa-vulkan-drivers

Running the tests

Tests can be run with the standard cargo test command:

# run all tests.
cargo test

# run only tests for the raekna-compute crate
cargo test -p raekna-compute

Code Formatting

This project uses rustfmt to check code formatting. There is a rustfmt.toml file that specifies some extra rules around formatting imports. Unfortunately the formatting rules require a nightly toolchain.

To check formatting and linter issues run:

cargo +nightly fmt --all -- --check

Clippy Lints

Clippy is a hard requirement for this project and the CI will enforce that there are no clippy errors or warnings. If you think clippy is producing a false positive add an exclusion whose scope is as narrow as possible.

To check for clippy warnings run:

cargo clippy

Contributing

Opening an issue

Before opening an issue please make sure there is no existing issue covering the same issue or feature request. If you still need to open a new issue make sure to follow the issue template.

Submitting a PR

Before submitting the PR make sure that all checks (fmt, clippy, build, test) are running locally.

When opening the PR, please follow the PR template.