Initial work on parsing.

src/Diagnostics/DiagnosticType.hpp

@@ -3,7 +3,12 @@
 #include <string>
 
 namespace MalachScript::Diagnostics {
-    enum class DiagnosticType : uint8_t { UnknownToken, InvalidNumericalBase, ExpectedEndOfString };
+    enum class DiagnosticType : uint8_t {
+        UnknownToken,
+        InvalidNumericalBase,
+        ExpectedEndOfString,
+        UnexpectedToken,
+    };
 
     class DiagnosticTypeHelper {
         static std::string ToEnglishString(DiagnosticType type) {
@@ -11,6 +16,7 @@ namespace MalachScript::Diagnostics {
                 case DiagnosticType::UnknownToken: return "Unknown token";
                 case DiagnosticType::InvalidNumericalBase: return "Invalid numerical base";
                 case DiagnosticType::ExpectedEndOfString: return "Expected end of string";
+                case DiagnosticType::UnexpectedToken: return "Unexpected Token";
             }
             return std::to_string((uint8_t)type);
         }