private static void RunInterpreter(BlockNode ast)
{
IOHandler io = new SystemIO();
Visitor v = new InterpreterVisitor(io);
v.VisitProgram(ast);
}
public static void Main(string[] args)
{
StreamReader charStream;
string filePath;
try {
filePath = args [0];
} catch (IndexOutOfRangeException) {
Console.WriteLine ("Please give the file path as the first argument, such as ~/code.txt");
return;
}
try {
charStream = File.OpenText (filePath);
} catch (System.IO.FileNotFoundException) {
Console.WriteLine("File \"" + filePath + "\" was not found. Make sure to give a proper file path as the argument.");
return;
}
Parser parser = new Parser (new Scanner (charStream));
Program program = parser.Parse ();
SemanticAnalyser semanticAnalyser = new SemanticAnalyser (program);
semanticAnalyser.Run ();
InterpreterVisitor interpreterVisitor = new InterpreterVisitor (program);
if (parser.Errors.Count == 0 && semanticAnalyser.Errors.Count == 0) {
interpreterVisitor.Run ();
} else {
// Combine the lists of errors, sort them by row and column and print them to Console
List<Error> errors = parser.Errors;
errors.AddRange (semanticAnalyser.Errors);
errors = errors.OrderBy (e => e.Row).ThenBy (e => e.Column).ToList ();
foreach (Error e in errors) {
System.Console.WriteLine (e.Print ());
}
}
}