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Description

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

13.7K Stars 3.2K Forks MIT License 67.0K Commits 8.1K Opened issues

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Welcome to the .NET Compiler Platform ("Roslyn")

Join the chat at https://gitter.im/dotnet/roslyn Chat on Discord

Roslyn provides open-source C# and Visual Basic compilers with rich code analysis APIs. It enables building code analysis tools with the same APIs that are used by Visual Studio.

C# and Visual Basic Language Feature Suggestions

If you want to suggest a new feature for the C# or Visual Basic languages go here: - dotnet/csharplang for C# specific issues - dotnet/vblang for VB-specific features - dotnet/csharplang for features that affect both languages

Contribute!

Some of the best ways to contribute are to try things out, file bugs, and join in design conversations.

Questions

A great way to get started is to ask some questions! - Start with a question on discussions - You can also join in on the design discussions on gitter or discord

See if your issue is already being worked on! (Add your own votes using the 👍 reaction)

Vote in the Backlog! (Add your own votes using the 👍 reaction)

Find a bug to fix! (Add your own votes using the 👍 reaction)

Find a feature to implement! (Add your own votes using the 👍 reaction)

Getting started with the Roslyn APIs

If you want to get started using Roslyn's APIs to analyzer your code take a look at these links: - Roslyn Architecture Overview - Syntax APIs - Semantic APIs - Workspace APIs - Tutorial: Write your first analyzer and code fix - Useful Tools - Syntax Visualizer Tool - Syntax Quoter Tool - Browse the source with the enhanced source view

The latest pre-release builds are available from the following public NuGet feeds: - Compiler:

https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
- IDE Services:
https://pkgs.dev.azure.com/azure-public/vside/_packaging/vssdk/nuget/v3/index.json
- .NET SDK:
https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json

Continuous Integration status

Desktop Unit Tests

|Branch|Debug x86|Debug x64|Release x86|Release x64| |:--:|:--:|:--:|:--:|:--:| master|Build Status|Build Status|Build Status|Build Status| master-vs-deps|Build Status|Build Status|Build Status|Build Status|

CoreClr Unit Tests

|Branch|Windows Debug|Windows Release|Linux| |:--:|:--:|:--:|:--:| master|Build Status|Build Status|Build Status| master-vs-deps|Build Status|Build Status|Build Status|

Integration Tests

|Branch|Debug|Release |:--:|:--:|:--:| master|Build Status|Build Status| master-vs-deps|Build Status|Build Status|

Misc Tests

|Branch|Determinism|Build Correctness|Spanish|Mono| |:--:|:--:|:--:|:--:|:--:| master|Build Status|Build Status|Build Status|Build Status| master-vs-deps|Build Status|Build Status|Build Status|Build Status|

This project has adopted the .NET Foundation Code of Conduct.

.NET Foundation

This project is part of the .NET Foundation along with other projects like the .NET Runtime.

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