1 files changed, 53 insertions, 0 deletions
diff --git a/source/20-codegen-runtime/MetadataBase.hpp b/source/20-codegen-runtime/MetadataBase.hpp
new file mode 100644
index 0000000..c1ad894
--- /dev/null
+++ b/source/20-codegen-runtime/MetadataBase.hpp
@@ -0,0 +1,53 @@
+#pragma once
+
+#include <cstddef>
+#include <optional>
+#include <span>
+#include <string_view>
+
+namespace Metadata {
+
+struct TypeId {
+	size_t id;
+};
+
+struct TypeInfo;
+
+struct TypePropertyInfo {
+	std::string_view name;
+	const TypeInfo* type;
+	std::string_view getterName;
+	std::string_view setterName;
+
+	bool IsDirectAccess() const;
+};
+
+struct TypeMethodInfo {
+	std::string_view name;
+	// TODO
+};
+
+struct TypeInfo {
+	TypeId typeId;
+	std::string_view name;
+	std::span<const TypeInfo*> parents;
+	std::span<const TypePropertyInfo> properties;
+	std::span<const TypeMethodInfo> methods;
+
+	/// Whether this object is registered at runtime or statically compiled
+	bool dynamic = false;
+};
+
+// NOTE: implemented by generating specializations; not-generated ones should generated an error in the linking phase
+template <typename T>
+const TypeInfo* GetTypeInfo();
+
+// NOTE: implemented by generating specializations; not-generated ones should generated an error in the linking phase
+template <typename TEnum>
+std::string_view EnumToString(TEnum value);
+
+// NOTE: implemented by generating specializations; not-generated ones should generated an error in the linking phase
+template <typename TEnum>
+std::optional<TEnum> EnumFromString(std::string_view str);
+
+} // namespace Metadata