IntelliJ Setup for zeek-language-server

July 13, 2025 ยท View on GitHub

This guide explains how to configure the Zeek language server with JetBrains IDEs (CLion, PyCharm, RustRover, etc.). It provides step-by-step instructions for setup and configuration.

Prerequisites

Ensure that:

  • zeek-language-server is installed
  • Both zeek-language-server and zeek-config are in your system PATH

For information on building from source, refer to the main README.

Installation Steps

Install LSP4IJ Plugin

  1. Open your JetBrains IDE
  2. Go to Plugins -> Marketplace
  3. Search for and install LSP4IJ by RedHat
  4. Restart IDE

For more information, visit the LSP4IJ plugin page.

Developer documentation is available in the LSP4IJ GitHub repository.

Configure Language Server

  1. Open Settings/Preferences:

    • Windows/Linux: File > Settings
    • macOS: IntelliJ IDEA > Preferences

  2. Navigate to Languages & Frameworks > Language Servers

  3. Click the "+" button to add a new server definition

  4. Configure the server:

    • Name: "Zeek"

    • Server:

      • Command: Full path to zeek-language-server Example (macOS): /Users/username/.cargo/bin/zeek-language-server

    • Mappings -> File name patterns(1)

      • File name patterns: *.zeek
      • Language ID: zeek

    • Configuration:

      {
  "inlay_hints_parameters": true,
  "inlay_hints_variables": true,
  "references": false,
  "rename": false
}

  5. Click "Apply" then "OK" to save the settings

  6. Restart your IDE for the changes to take effect

Usage

Open a Zeek script file (.zeek extension). The language server should now be active for Zeek files.

Troubleshooting

If you encounter issues:

  • Ensure the zeek-language-server path is correct
  • Consult the IDE's log files for any error messages

For further assistance, refer to the main README or the project's issue tracker.