From cced061b3e68da386aaadca0d87e03538ce2bc72 Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Tue, 26 Sep 2023 14:39:04 -0700
Subject: Add an internal wrapper for `abi::__cxa_demangle()`.

PiperOrigin-RevId: 568652465
Change-Id: I9f72a11cb514eaf694dae589a19dc139891e7af2
---
 absl/container/internal/layout.h | 25 ++++---------------------
 1 file changed, 4 insertions(+), 21 deletions(-)

(limited to 'absl/container/internal/layout.h')

diff --git a/absl/container/internal/layout.h b/absl/container/internal/layout.h
index a59a2430..05de05c9 100644
--- a/absl/container/internal/layout.h
+++ b/absl/container/internal/layout.h
@@ -172,6 +172,7 @@
 #include <utility>
 
 #include "absl/base/config.h"
+#include "absl/debugging/internal/demangle.h"
 #include "absl/meta/type_traits.h"
 #include "absl/strings/str_cat.h"
 #include "absl/types/span.h"
@@ -181,14 +182,6 @@
 #include <sanitizer/asan_interface.h>
 #endif
 
-#if defined(__GXX_RTTI)
-#define ABSL_INTERNAL_HAS_CXA_DEMANGLE
-#endif
-
-#ifdef ABSL_INTERNAL_HAS_CXA_DEMANGLE
-#include <cxxabi.h>
-#endif
-
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace container_internal {
@@ -294,19 +287,9 @@ constexpr size_t Max(size_t a, size_t b, Ts... rest) {
 template <class T>
 std::string TypeName() {
   std::string out;
-  int status = 0;
-  char* demangled = nullptr;
-#ifdef ABSL_INTERNAL_HAS_CXA_DEMANGLE
-  demangled = abi::__cxa_demangle(typeid(T).name(), nullptr, nullptr, &status);
-#endif
-  if (status == 0 && demangled != nullptr) {  // Demangling succeeded.
-    absl::StrAppend(&out, "<", demangled, ">");
-    free(demangled);
-  } else {
-#if defined(__GXX_RTTI) || defined(_CPPRTTI)
-    absl::StrAppend(&out, "<", typeid(T).name(), ">");
-#endif
-  }
+  absl::StrAppend(&out, "<",
+                  absl::debugging_internal::DemangleString(typeid(T).name()),
+                  ">");
   return out;
 }
 
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