feat: ready to start main work

include/utils.h

@@ -0,0 +1,39 @@
+#ifndef UTILS_H
+#define UTILS_H
+#include <any>
+#include <exception>
+#include <stdexcept>
+#include <vector>
+class InterpretException : public std::exception {
+ public:
+  InterpretException() {}
+  InterpretException(const char *message) : m_message(message) {}
+
+  const char *what() const noexcept override { return m_message; }
+
+  ~InterpretException() noexcept override {}
+
+ private:
+  const char *m_message;
+};
+
+class FatalError : public std::exception {
+ public:
+  FatalError(const char *message) : m_message(message) {}
+
+  const char *what() const noexcept override { return m_message; }
+
+ private:
+  const char *m_message;
+};
+enum FlowControlStatusType { BREAK, CONTINUE, RETURN };
+struct FlowType {
+  FlowControlStatusType Status;
+  // TODO: return lists
+  std::vector<std::any> ReturnValueLists;
+  FlowType() {}
+  FlowType(FlowControlStatusType Status) : Status(Status) {}
+  FlowType(FlowControlStatusType Status, std::vector<std::any> ReturnValueLists)
+      : Status(Status), ReturnValueLists(ReturnValueLists) {}
+};
+#endif