intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 30 insertions, 0 deletions

diff --git a/util/system/type_name.h b/util/system/type_name.h
new file mode 100644
index 0000000000..b6619aba3f
--- /dev/null
+++ b/util/system/type_name.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#include <util/generic/string.h>
+#include <util/string/subst.h>
+
+#include <typeindex>
+#include <typeinfo>
+
+// Consider using TypeName function family.
+TString CppDemangle(const TString& name);
+
+// TypeName function family return human readable type name.
+
+TString TypeName(const std::type_info& typeInfo);
+TString TypeName(const std::type_index& typeInfo);
+
+// Works for types known at compile-time
+// (thus, does not take any inheritance into account)
+template <class T>
+inline TString TypeName() {
+    return TypeName(typeid(T));
+}
+
+// Works for dynamic type, including complex class hierarchies.
+// Also, distinguishes between T, T*, T const*, T volatile*, T const volatile*,
+// but not T and T const.
+template <class T>
+inline TString TypeName(const T& t) {
+    return TypeName(typeid(t));
+}