From 6e7201f52aca7f198980bfbd95872e384f3326d6 Mon Sep 17 00:00:00 2001
From: fxliang <fx.liang@outlook.com>
Date: Fri, 3 Jan 2025 17:40:52 +0800
Subject: [PATCH] get exact type name for gcc

---
 src/lib/lua_templates.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/lib/lua_templates.h b/src/lib/lua_templates.h
index 13076db..57acde4 100644
--- a/src/lib/lua_templates.h
+++ b/src/lib/lua_templates.h
@@ -2,6 +2,9 @@
 #define LIB_LUA_TEMPLATES_H_
 
 #include "lua.h"
+#ifdef  __GNUC__
+#include <cxxabi.h>
+#endif
 #include <typeinfo>
 #include <vector>
 #include <set>
@@ -56,6 +59,9 @@ class LUAWRAPPER_LOCAL C_State {
 struct LUAWRAPPER_LOCAL LuaTypeInfo {
   const std::type_info *ti;
   size_t hash;
+#ifdef __GNUC__
+  mutable std::unique_ptr<char[]> demangleName_;
+#endif
 
   template<typename T>
   static const LuaTypeInfo &make() {
@@ -65,7 +71,17 @@ struct LUAWRAPPER_LOCAL LuaTypeInfo {
   }
 
   const char *name() const {
+#ifdef __GNUC__
+    int status = 0;
+    std::unique_ptr<char[]> demangledName(
+        abi::__cxa_demangle(ti->name(), nullptr, nullptr, &status));
+    if (status)
+      return ti->name();
+    demangleName_ = std::move(demangledName);
+    return demangleName_.get();
+#else
     return ti->name();
+#endif
   }
 
   bool operator==(const LuaTypeInfo &o) const {