Liger

A comprehensive Language Server Protocol (LSP) implementation for the Crystal programming language, designed to work cross-platform with a focus on Windows compatibility.

Features

Liger provides a more extensive feature set than existing Crystal language servers (Crystalline, Scry), with full Windows support:

Core LSP Features

• Text Document Synchronization - Full document sync with change tracking
• Diagnostics - Real-time syntax and semantic error detection
• Code Completion - Context-aware completions for keywords, types, methods, and variables
• Hover Information - Type information and documentation on hover
• Signature Help - Parameter hints for method calls
• Go to Definition - Navigate to symbol definitions
• Find References - Find all references to a symbol
• Document Symbols - Outline view of classes, methods, and variables
• Workspace Symbols - Search symbols across the entire workspace
• Rename Symbol - Intelligent symbol renaming

Installation

Prerequisites

• Crystal compiler (>= 1.18.1)
• Git