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A language server for GN, and a tiny VSCode extension wrapping the server.

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google-labs-jules[bot] 396ccd18ae Bundle gn-language-server binary in IntelliJ plugin This change updates the build process and runtime logic of the IntelliJ plugin to bundle and use a prebuilt gn-language-server binary. - Modified `intellij-gn/build.gradle.kts` to accept a `gnBinaryPath` property and copy the specified binary into the plugin's `bin` directory during the `prepareSandbox` task. - Updated `GnLspServerFactory.kt` to look for the `gn-language-server` executable within the plugin's installation directory. If found, it is used; otherwise, the plugin falls back to using the executable from the system PATH. - Updated `.github/workflows/ci.yml` to build the IntelliJ plugin as part of the CI pipeline, passing the platform-specific rust binary path to the Gradle build, and uploading the resulting plugin artifacts.		2025-12-20 08:27:53 +00:00
.github/workflows	Bundle gn-language-server binary in IntelliJ plugin	2025-12-20 08:27:53 +00:00
docs/screenshots	Update README	2025-12-16 15:31:38 +09:00
intellij-gn	Bundle gn-language-server binary in IntelliJ plugin	2025-12-20 08:27:53 +00:00
scripts	Fix build errors in stale gn checkout	2025-12-15 21:10:38 +09:00
src	Exclude symbols from BUILD.gn for completion	2025-12-17 23:46:50 +09:00
testdata/workspaces	Add a smoke test for code lens	2025-12-17 00:37:40 +09:00
vscode-gn	Bump version to 1.9.19	2025-12-20 03:31:28 +00:00
.clippy.toml	Suppress false positives of clippy::mutable_key_type	2025-01-22 21:08:17 +09:00
.gitignore	Checkout gn in $OUT_DIR	2025-03-26 21:41:33 +09:00
ARCHITECTURE.md	Support parallel analysis (again)	2025-12-15 17:07:18 +09:00
build.rs	Checkout gn in $OUT_DIR	2025-03-26 21:41:33 +09:00
Cargo.lock	Bump version to 1.9.19	2025-12-20 03:31:28 +00:00
Cargo.toml	Bump version to 1.9.19	2025-12-20 03:31:28 +00:00
CHANGELOG.md	Update CHANGELOG	2025-12-16 16:09:11 +09:00
CONTRIBUTING.md	Initial commit	2025-01-06 07:49:20 +09:00
deny.toml	Check licenses with cargo-deny	2025-03-24 20:26:59 +09:00
LICENSE	Initial commit	2025-01-06 07:49:20 +09:00
README.md	Update README	2025-12-16 15:31:38 +09:00

README.md

GN Language Server

A language server for GN, the build configuration language used in Chromium, Fuchsia, and other projects.

Features

Syntax highlighting
Syntax error reporting
Context-aware completion and auto-import
Hover documentation
Go to definition
Finding target references
Following imports
Following dependencies
Quick fix
Sticky scroll with useful lines
Code lens
Outline
Code folding
Formatting
Go to the nearest BUILD.gn (VSCode only)

Installing

VSCode

You can install from the official VSCode marketplace or the OpenVSX marketplace. Search for "GN Language" in the VSCode's extension window.

Other Editors/IDEs

You can install the language server with Cargo.

cargo install gn-language-server

Gallery

Syntax highlighting

Completion and auto-import

Hover documentation

Go to definition

Following imports

Following dependencies

Quick fix

Sticky scroll with useful lines

Code lens

Outline

Code folding

Building from source

Language server binary

cargo build --release

VSCode extension

cd vscode-gn
npm install
npm run build
npm run package

Versioning scheme

We use the versioning scheme recommended by the VSCode's official documentation. That is:

Pre-release versions are 1.<odd>.x
Release versions are 1.<even>.x

Architecture

For an overview of the project's architecture, see ARCHITECTURE.md.

Disclaimer

This is not an officially supported Google product. This project is not eligible for the Google Open Source Software Vulnerability Rewards Program.