Kryon Language Support for VS Code

Syntax highlighting for the Kryon programming language.

Features

• Syntax highlighting for .kry files
• Support for Kryon keywords, types, and widgets
• Auto-closing brackets and quotes
• Line comments (//)

Kryon Syntax Overview

Keywords

• use - Import modules
• fn - Function declaration
• var - Variable declaration
• ref - Reference type
• nil - Null value
• return, if, else, for, while

Types

• int, real, string, byte, void
• ref - Reference types (e.g., ref Image)
• fn - Function types
• array, list, dict, chan

Operators

• -> - Module access (e.g., sys->print)
• @ - Pipe/refresh operator (e.g., drawClock @ 30000)
• Standard operators: +, -, *, /, %, =, ==, !=, <, >, <=, >=, &&, ||

Widgets

• Window, Label, Button, Entry, Checkbutton, Radiobutton, Listbox, Scale, Frame
• Layout: Column, Row, Center, Canvas

Example

use daytime
use math

var x: int
var name: string = "Hello"

fn add(a: int, b: int): int {
    return a + b;
}

fn greet(): string {
    sys->print("Hello!\n");
    return "World";
}

Window {
    title = "My App"
    width = 400
    height = 300
    bg = "#191919"

    Center {
        Label {
            text = "Hello World"
            fg = "#ffffff"
        }
    }
}

Installation

1. Copy this folder to your VS Code extensions directory:

   • Linux: ~/.vscode/extensions/
   • macOS: ~/.vscode/extensions/
   • Windows: %USERPROFILE%\.vscode\extensions\

2. Rename the folder to kryon-language-0.0.1

3. Restart VS Code

Development

To build and test locally:

npm install
npm run compile

License

MIT