...

src/compiler/Nub.Lang/Program.cs

@@ -30,6 +30,7 @@ internal static class Program
 
     private static int Compile(string srcDir)
     {
+        var error = false;
         var lexer = new Lexer();
         var parser = new Parser();
         var typeChecker = new TypeChecker();
@@ -41,9 +42,11 @@ internal static class Program
 
             var tokenizeResult = lexer.Tokenize(new SourceText(file, content));
             tokenizeResult.PrintAllDiagnostics();
+            error = error || tokenizeResult.HasErrors;
 
             var parseResult = parser.ParseModule(tokenizeResult.Value);
             parseResult.PrintAllDiagnostics();
+            error = error || parseResult.HasErrors;
 
             if (parseResult.Value != null)
             {
@@ -53,12 +56,13 @@ internal static class Program
 
         var typeCheckResult = typeChecker.TypeCheck(files);
         typeCheckResult.PrintAllDiagnostics();
+        error = error || typeCheckResult.HasErrors;
 
         var generator = new Generator(typeCheckResult.Value);
         var result = generator.Generate();
         
         Console.Out.Write(result);
 
-        return 0;
+        return error ? 1 : 0;
     }
 }