static void Main(string[] args)
{
Console.WriteLine("Welcome to the Netstack REPL.");
var runtime = new NetstackRuntime();
bool quitRequested = false;
NetStack stack = new NetStack();
while (!quitRequested)
{
Console.Write("> ");
var input = Console.ReadLine();
if(input == "quit")
{
quitRequested = true;
}else
{
try
{
stack = runtime.Evaluate(stack.Clear(), input);
var previousColour = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.White;
Console.Write("--> ");
Console.WriteLine(stack.ToString());
Console.ForegroundColor = previousColour;
}
catch (RuntimeException e)
{
var previousColour = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Execution halted: " + e.InnerException.Message);
Console.ForegroundColor = previousColour;
}
catch (SyntaxException e)
{
var previousColour = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Parsing fail: " + e.InnerException.Message);
Console.ForegroundColor = previousColour;
}
}
}
Console.WriteLine("Goodbye");
}
public override void Execute(NetStack stack)
{
stack.Clear();
}