static void Main(string[] args)
{
bool interpret = false, assemble = false;
string input = "", outpath = "", filename = "";
if (args.Length == 0)
{
Console.Error.WriteLine(helpMsg);
Environment.Exit(1);
}
for (int i = 0; i < args.Length; i++)
{
string arg = args[i];
switch (arg)
{
case "-i":
case "-interpret":
{
interpret = true;
break;
}
case "-o":
{
outpath = args[++i];
// -o and -i can not be used together
if (interpret)
{
Console.Error.WriteLine("-i and -o cannot be used together");
Console.Error.WriteLine(helpMsg);
Environment.Exit(1);
}
break;
}
case "-a":
{
assemble = true;
// -r and -i can not be used together
if (interpret)
{
Console.Error.WriteLine("-i and -a cannot be used together");
Console.Error.WriteLine(helpMsg);
Environment.Exit(1);
}
break;
}
default:
{
try
{
input = File.ReadAllText(arg);
// This regular expression extracts the filename and discards the rest of the path and the file extension
filename = Regex.Match(arg, @"^.*[\\|\/](.+?)\.[^\.]+$").Groups[1].ToString();
}
catch (Exception e) when(e is FileNotFoundException || e is DirectoryNotFoundException)
{
Console.Error.WriteLine("File Not Found: " + arg);
Environment.Exit(1);
}
break;
}
}
}
// if no output path given, output the file to the working dir
if (outpath == "")
{
outpath = ".";
}
Stopwatch sw = new Stopwatch();
Console.WriteLine("Lexing...");
sw.Start();
var lexout = lexer.Lex(input);
sw.Stop();
Console.WriteLine($"New Lex Time: {sw.ElapsedMilliseconds}ms");
sw.Reset();
Console.WriteLine("Parsing...");
var parseOut = parser.Parse(lexout);
if (interpret)
{
Console.WriteLine("Interpreting...\n");
sw.Start();
interpreter.Interpret(parseOut);
sw.Stop();
Console.WriteLine($"Interpret Time: {sw.ElapsedMilliseconds}ms");
}
else
{
Console.WriteLine("Compiling...");
sw.Start();
var jasmin = codegen.Compile(parseOut, filename);
sw.Stop();
Console.WriteLine($"Compile Time: {sw.ElapsedMilliseconds}ms");
string outFile = outpath + "/" + filename + ".j";
File.WriteAllText(outFile, jasmin);
Console.WriteLine($"{outFile} created");
if (assemble)
{
Process p = new Process();
p.StartInfo.FileName = "java";
p.StartInfo.Arguments = $"-jar jasmin.jar {outFile}";
Console.WriteLine("Assembling...");
p.Start();
p.WaitForExit();
}
}
Console.WriteLine("Done!");
}