static void Main(string[] args)
{
// Configure tokenizer.
var tokenizer = new Tokenizer();
tokenizer.Add(@">w>", TokenType.MoveRight);
tokenizer.Add(@"<w<", TokenType.MoveLeft);
tokenizer.Add(@"uwu", TokenType.Increment);
tokenizer.Add(@"nwn", TokenType.Decrement);
tokenizer.Add(@"owo", TokenType.Output);
tokenizer.Add(@"-w-", TokenType.Input);
tokenizer.Add(@"ow<", TokenType.StartLoop);
tokenizer.Add(@">wo", TokenType.EndLoop);
tokenizer.Add(@"\s+?", TokenType.Whitespace);
tokenizer.Add(@"\*w\*.+?\n", TokenType.Comment);
// Check file exists.
var filepath = args[0];
if (!File.Exists(filepath))
{
Console.WriteLine("Error opening input file.");
return;
}
// Tokenize source.
var tokens = tokenizer.Tokenize(File.ReadAllText(filepath) + "\r\n");
// Execute program.
var machine = new TuringMachine(tokens);
machine.Run();
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("Please provide a file name.");
}
// Configure tokenizer.
var tokenizer = new Tokenizer();
tokenizer.Add(@">w>", TokenType.MoveRight);
tokenizer.Add(@"<w<", TokenType.MoveLeft);
tokenizer.Add(@"uwu", TokenType.Increment);
tokenizer.Add(@"nwn", TokenType.Decrement);
tokenizer.Add(@"owo", TokenType.Output);
tokenizer.Add(@"-w-", TokenType.Input);
tokenizer.Add(@"ow<", TokenType.StartLoop);
tokenizer.Add(@">wo", TokenType.EndLoop);
tokenizer.Add(@"\s+?", TokenType.Whitespace);
tokenizer.Add(@"\*w\*.+?\n", TokenType.Comment);
// Check file exists.
var filepath = args[0];
if (!File.Exists(filepath))
{
Console.WriteLine("ERROR: File " + filepath + " does not exist.");
}
else
{
try
{
string fText = File.ReadAllText(filepath);
// Tokenize source.
IList <Token> tokens = tokenizer.Tokenize(fText + "\r\n");
// Execute program.
TuringMachine machine = new TuringMachine(tokens);
machine.Run();
} catch (ArgumentException a)
{
Console.Error.WriteLine("ERROR: File " + filepath + " is invalid.");
Console.Error.WriteLine(a.Message);
} catch (PathTooLongException p)
{
Console.Error.WriteLine("ERROR: File path " + filepath + " is too long.");
Console.Error.WriteLine(p.Message);
} catch (IOException i)
{
Console.Error.WriteLine("ERROR: I/O Exception");
Console.Error.WriteLine(i.Message);
} catch (UnauthorizedAccessException u)
{
Console.Error.WriteLine("ERROR: Unauthorized Access");
Console.Error.WriteLine(u.Message);
} catch (NotSupportedException n)
{
Console.Error.WriteLine("ERROR: Read operation of file not supported");
} catch (System.Security.SecurityException s)
{
Console.Error.WriteLine("ERROR: SecurityException thrown");
Console.Error.WriteLine(s.Message);
}
}
}