static void Main(string[] args)
{
// Watch for unhandled exceptions
AppDomain.CurrentDomain.UnhandledException += UnhandledExceptionHandler;
LogManager.Enabled = true;
LogManager.AttachLogTarget(new ConsoleTarget(Level.Trace));
Console.ForegroundColor = ConsoleColor.Yellow;
PrintBanner();
Console.ResetColor();
if (args.Length < 1 ||
Path.GetExtension(args[0]) != FileManager.INPUT_FILE_EXTENSION)
{
PrintUsage();
Environment.Exit(1);
}
using (FileManager fileManager = new FileManager(args[0]))
{
SymbolTable symbolTable = new SymbolTable();
CodeGeneratorHelper cdh = new CodeGeneratorHelper();
SyntaxTree syntaxTree;
if (RunPhase_1(fileManager, symbolTable, out syntaxTree) &&
RunPhase_2(syntaxTree, symbolTable, cdh) &&
RunPhase_3(fileManager, syntaxTree, symbolTable, cdh))
{
Logger.Info("Compilation successful.");
}
fileManager.FinalizeListing();
}
}
static bool RunPhase_3(FileManager fileManager, SyntaxTree syntaxTree, SymbolTable symbolTable, CodeGeneratorHelper cdh)
{
fileManager.InitializeOutputFile();
syntaxTree.GenerateCode(fileManager, symbolTable, cdh);
fileManager.FinalizeOutputFile();
return true;
}
static bool RunPhase_2(SyntaxTree syntaxTree, SymbolTable symbolTable, CodeGeneratorHelper storage)
{
if (syntaxTree.CheckForSemanticErrors(symbolTable) &&
syntaxTree.AllocateMemoryForConstants(storage) &&
syntaxTree.AllocateMemoryForVariables(storage))
{
return true;
}
return false;
}