Example code for article about SourceKitten - Parsing the result

Parsing.swift

// 1
func syntaxStructure(from file: File) -> SyntaxStructure? {
    do {
        // 2
        let structure = try Structure(file: file)
        let jsonData = structure.description.data(using: .utf8)!
        
        // 3
        return try JSONDecoder().decode(SyntaxStructure.self, from: jsonData)
        
    // 4
    } catch {
        print(error)
        return nil
    }
}