FRAPCON Support for VS Code

FRAPCON Support is a Visual Studio Code extension that adds syntax highlighting, snippets, and IntelliSense for FRAPCON input files (.inp).

FRAPCON is a fuel performance analysis code developed by the U.S. NRC for steady-state fuel rod simulations.

✨ Features

• ✅ Syntax highlighting for .inp FRAPCON input files
• ✅ Snippets for common input blocks
• ✅ IntelliSense/autocomplete for FRAPCON parameters
• ✅ Hover tooltips with documentation (from frapconDocs.json)
• ✅ Sample input cases (standard UO₂, MOX) included

📦 Installation

1. Install from the Visual Studio Marketplace.
   (Alternatively, clone this repo and build locally with vsce package)

2. Open a .inp file — FRAPCON Support will activate automatically.

🚀 Usage

• Create or open a FRAPCON input file (.inp).
• Type frapcon to trigger snippets.
• Hover over keywords to see documentation.
• Use IntelliSense (Ctrl+Space) to explore available parameters.

📂 Folder Structure

frapcon-vscode/ ├─ src/ # Extension source (TypeScript) ├─ dist/ # Compiled JS ├─ syntaxes/ # TextMate grammar for syntax ├─ snippets/ # FRAPCON input snippets ├─ language-configuration.json ├─ frapconDocs.json # Parameter docs for IntelliSense ├─ package.json ├─ tsconfig.json ├─ README.md └─ LICENSE.md