mvel-lsp

Language Server Protocol (LSP) implementation for MVEL3 (MVFLEX Expression Language 3), providing code completion support in VS Code.

Features

• Keyword completion
• Type completion (imported classes)
• Method and field completion after . access
• Property access syntax sugar (e.g. name for getName()/setName())
• Inline cast support (expression#ClassName#)

Requirements

• Java 17 or later

Installation

1. Download the .vsix file from the GitHub Releases page
2. In VS Code, open the Command Palette (Ctrl+Shift+P) and run Extensions: Install from VSIX...
3. Select the downloaded .vsix file

Building from Source

mvn clean package
cd client
npm install
npm run pack:dev    # generates .vsix in client/dist/

Components

• mvel3-completion – Code completion engine for MVEL3
• mvel3-lsp-server – LSP server that exposes the code completion functionality
• client – VS Code extension vscode-extension-mvel3-editor

See Developer_Notes.md for development and debugging instructions.

License

Apache License 2.0