SwiftRunner

SwiftRunner is a macOS app for writing and running Swift scripts with live output. It features a split editor/output view, syntax highlighting, and clickable compiler errors for quick navigation.

Features

• Write and run Swift scripts instantly
• Live stdout / stderr streaming
• Clickable compiler errors (jump to line & column)
• Syntax highlighting
• Adjustable font size
• Light / Dark appearance
• Stop running scripts at any time

Screenshots

Architecture Overview

SwiftRunner is built using SwiftUI + AppKit:

• EditorPaneView – NSTextView code editor
• OutputPaneView – Code output with clickable diagnostics
• ScriptExecutor – Runs Swift scripts in a background process
• ErrorNavigationService – Maps compiler errors to editor positions
• PaneTheme – Centralized styling and appearance settings

Build and Run Instructions

1. Clone the repository

git clone https://github.com/<your-username>/SwiftRunner.git
cd SwiftRunner

2. Open the Xcode project

Open the project file:

open SwiftRunner.xcodeproj

3. Build and run

Press: ⌘ + R

The project should now build and run without any additional configuration.