initial commit

exception.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "lexer.h"
+
+#include <string>
+
+class Exception : public std::exception {
+private:
+	std::string	cause;
+
+public:
+	Exception(const std::string &msg);
+
+	const char* what() const noexcept;
+};