public static void Main(string[] args)
{
bool refreshEnv = false;
bool showSexp = false;
bool showExpr = false;
List <string> files = new List <string>();
foreach (string arg in args)
{
if (arg.Substring(0, 1) == "-")
{
switch (arg)
{
case "-r":
case "--refreshEnv":
refreshEnv = true;
break;
case "-v":
case "--verbose":
showSexp = true;
showExpr = true;
break;
default:
Console.Error.WriteLine("Unrecognized commandline option: " + arg);
break;
}
}
else
{
files.Add(arg);
}
}
Environment env = GetStartEnv(refreshEnv);
Val result = new NumV(-1);
foreach (string file in files)
{
SExpression sexp = new SExpOpenXML(file);
if (showSexp)
{
Console.WriteLine("Lexical Analyzer Output:");
Console.WriteLine(sexp.ToString());
}
ExprC prog = Parser.parse(sexp);
if (showExpr)
{
Console.WriteLine("Parser Output:");
Console.WriteLine(prog.ToString());
}
result = prog.interp(env);
}
Console.WriteLine(result.ToString());
}
public override string ToString()
{
return(body.ToString() + " - " + env.ToString());
}
