The G# toolchain

Your workflow. Less friction.

Create a project with the .NET SDK, add editor support, and use the tools that fit the job. Start with the template workflow; reach for the compiler directly when you need it.

Documentation for G# 0.4.591. Looking for Next?

See the workflow

Real code. Real editor support.

Trail is a complete G# application you can build with the published SDK, inspect in your editor, and run from a terminal.

Explore Trail

Open full-size capture: Trail's G# source in Visual Studio Code with .NET Path method completion open. — Actual Visual Studio Code 1.137.0, G# extension 0.4.591. The editor resolves .NET APIs in the runnable Trail project.

See the same project running

Open full-size capture: Trail running in the VS Code terminal and producing its JSON inventory for the bundled text files. — Real terminal output from `dotnet run --no-build -- demo .txt`, not a simulated console.

Create, edit, and run

SDK and project files

Build, run, test, and package .gsproj projects with familiar dotnet commands.

Read guide

VS Code

Install the extension for completion, diagnostics, navigation, and debugging.

Read guide

REPL and scripts

Use gsi to explore an idea interactively or run a source file.

Read guide

Keep code in shape

Formatting

Use gsfmt for a consistent, option-free source format.

Read guide

Debugging

Set breakpoints and inspect ordinary managed execution with Portable PDBs.

Read guide

Code analyzers

Run diagnostics in your build, or write an analyzer for your team.

Read guide

Go further

Migrate from C#

Explore cs2gs translation and its compile, verification, and parity stages.

Read guide

Compiler CLI

Understand direct gsc invocation, references, output, and compiler options.

Read guide

Language server

Connect other editors and inspect supported language-server features.

Read guide