LSP

G-Rump integrates with SourceKit-LSP for live Swift diagnostics and code intelligence.

Features

• Live diagnostics — Error and warning counts displayed in the chat top bar
• Error badges — Red (errors) and orange (warnings) indicators
• Symbol graph — SymbolGraphService extracts symbol information for context-aware AI responses

How It Works

LSPService manages a SourceKit-LSP subprocess:

1. Starts LSP when a Swift project is opened
2. Sends textDocument/didOpen and textDocument/didChange notifications
3. Receives textDocument/publishDiagnostics with errors/warnings
4. Updates errorCount and warningCount published properties
5. UI reacts via SwiftUI bindings in ChatTopBarView

Symbol Graph Service

SymbolGraphService uses swift-symbolgraph-extract to generate symbol graphs for Swift modules. This data is used by ChatViewModel to provide richer context to the AI about:

• Available types and protocols
• Method signatures
• Inheritance hierarchies
• Module dependencies

Configuration

LSP starts automatically when a valid Swift project is detected in the working directory. No manual configuration required.

Key Files

File	Purpose
LSPService.swift	LSP subprocess management
SymbolGraphService.swift	Symbol graph extraction
ChatTopBarView.swift	Diagnostic badges UI