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https://github.com/arduino/arduino-language-server
An Arduino Language Server based on Clangd to Arduino code autocompletion
https://github.com/arduino/arduino-language-server
arduino
Last synced: 3 months ago
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An Arduino Language Server based on Clangd to Arduino code autocompletion
- Host: GitHub
- URL: https://github.com/arduino/arduino-language-server
- Owner: arduino
- License: agpl-3.0
- Created: 2019-08-13T14:26:07.000Z (almost 5 years ago)
- Default Branch: main
- Last Pushed: 2024-03-05T06:10:37.000Z (4 months ago)
- Last Synced: 2024-03-05T07:28:06.954Z (4 months ago)
- Topics: arduino
- Language: Go
- Homepage:
- Size: 818 KB
- Stars: 102
- Watchers: 17
- Forks: 9
- Open Issues: 28
-
Metadata Files:
- Readme: README.md
- License: LICENSE.txt
Lists
- awesome-stars - arduino/arduino-language-server - An Arduino Language Server based on Clangd to Arduino code autocompletion (Go)
- awesome-stars - arduino/arduino-language-server - An Arduino Language Server based on Clangd to Arduino code autocompletion (Go)
README
# Arduino Language Server
[](https://github.com/arduino/arduino-language-server/actions/workflows/check-taskfiles.yml)
[](https://github.com/arduino/arduino-language-server/actions/workflows/check-go-task.yml)
[](https://github.com/arduino/arduino-language-server/actions/workflows/check-markdown-task.yml)
[](https://github.com/arduino/arduino-language-server/actions/workflows/check-license.yml)
[](https://github.com/arduino/arduino-language-server/actions/workflows/check-go-dependencies-task.yml)
The **Arduino Language Server** is the tool that powers the autocompletion of the new [Arduino IDE 2][arduino-ide-repo]. It implements the standard [Language Server Protocol](https://microsoft.github.io/language-server-protocol/) so it can be used with other IDEs as well.
## Bugs & Issues
High quality bug reports and feature requests are valuable contributions to the project.
Before reporting an issue search existing pull requests and issues to see if it was already reported. If you have additional information to provide about an existing issue, please comment there. You can use the Reactions feature if you only want to express support.
Qualities of an excellent report:
- The issue title should be descriptive. Vague titles make it difficult to understand the purpose of the issue, which might cause your issue to be overlooked.
- Provide a full set of steps necessary to reproduce the issue. Demonstration code or commands should be complete and simplified to the minimum necessary to reproduce the issue.
- Be responsive. We may need you to provide additional information in order to investigate and resolve the issue.
- If you find a solution to your problem, please comment on your issue report with an explanation of how you were able to fix it and close the issue.
### Security
If you think you found a vulnerability or other security-related bug in this project, please read our
[security policy](https://github.com/arduino/arduino-language-server/security/policy) and report the bug to our Security Team 🛡️
Thank you!
e-mail contact: [email protected]
## How to contribute
Contributions are welcome! Here are all the ways you can contribute to the project.
### Pull Requests
To propose improvements or fix a bug, feel free to submit a PR.
### Pull request checklist
In order to ease code reviews and have your contributions merged faster, here is a list of items you can check before submitting a PR:
- Create small PRs that are narrowly focused on addressing a single concern.
- Write tests for the code you wrote.
- Open your PR against the `main` branch.
- Maintain clean commit history and use meaningful commit messages. PRs with messy commit history are difficult to review and require a lot of work to be merged.
- Your PR must pass all CI tests before we will merge it. If you're seeing an error and don't think it's your fault, it may not be! The reviewer will help you if there are test failures that seem not related to the change you are making.
## Build
To build the Arduino Language Server you need:
- [Go][go-install] version 1.12 or later
The project doesn't require `CGO` so it can be easily crosscompiled if necessary. To build for you machine just run:
```
go build
```
To run tests:
```
go test -v ./...
```
## Usage
The language server it's not intended for direct usage by humans via the command line terminal.
The purpose of this program is to provide C++/.ino language-related functionality to the IDEs so, in general, it's the IDE that talks to the language server via stdin/stdout using the slightly modified JSONRPC protocol defined in the LSP specification.
The prerequisites to run the Arduino Language Server are:
- [Arduino CLI](https://github.com/arduino/arduino-cli)
- [clangd](https://github.com/clangd/clangd/releases)
To start the language server the IDE may provide the path to Arduino CLI and clangd with the following flags in addition to the target board FQBN:
```
./arduino-language-server \
-clangd /usr/local/bin/clangd \
-cli /usr/local/bin/arduino-cli \
-cli-config $HOME/.arduino15/arduino-cli.yaml \
-fqbn arduino:mbed:nanorp2040connect
```
The -fqbn flag represents the board you're actually working on (different boards may implement different features/API, if you change board you need to restart the language server with another fqbn).
The support for the board must be installed with the `arduino-cli core install ...` command before starting the language server.
If you do not have an Arduino CLI config file, you can create one by running:
```
arduino-cli config init
```
## Donations
This open source code was written by the Arduino team and is maintained on a daily basis with the help of the community. We invest a considerable amount of time in development, testing and optimization. Please consider [donating](https://www.arduino.cc/en/donate/) or [sponsoring](https://github.com/sponsors/arduino) to support our work, as well as [buying original Arduino boards](https://store.arduino.cc/) which is the best way to make sure our effort can continue in the long term.
## License
The code contained in this repository is licensed under the terms of the GNU Affero General Public License version 3 license. If you have questions about licensing please contact us at [[email protected]](mailto:[email protected]).
[arduino-ide-repo]: https://github.com/arduino/arduino-ide
[go-install]: https://golang.org/doc/install