     
     static func ensure(folderAt path: String) {
         if !ParserTests.fileManager.fileExists(atPath: path) {
-            try! ParserTests.fileManager.createDirectory(atPath: path, withIntermediateDirectories: false, attributes: nil)
+            try! ParserTests.fileManager.createDirectory(atPath: path,
+                                                         withIntermediateDirectories: false,
+                                                         attributes: nil)
         }
     }
     

    
    fileprivate static let ResourceURL = "https://github.com/hanjoes/antlr4.git"
    
    func testOne() {
        print(ParserTests.findAllSwiftFiles(under: ParserTests.initializedRepoDir).joined(separator: "\n"))
    }
    
    func testTwo() {
    }
    
}

        ParserTests.fileManager.fileExists(atPath: path, isDirectory: &isDirectory)
        return isDirectory.boolValue
    }
    
    func parse(file: String) throws {
        let fileStream = ANTLRFileStream(file)
        let lexer = Swift3Lexer(fileStream)
        let tokenStream = CommonTokenStream(lexer)
        let parser = try Swift3Parser(tokenStream)
        try parser.top_level()
    }

}
