From a28ee5b51c9ea41707d9a5d2d358ad77850264c4 Mon Sep 17 00:00:00 2001
From: Chris Mihelich <cmihelic@google.com>
Date: Mon, 6 May 2024 05:56:26 -0700
Subject: Recognize some simple Rust mangled names in Demangle.

PiperOrigin-RevId: 631018414
Change-Id: Ice8efa0af4cb1f72b5d62fbbea4cb12cbead8634
---
 absl/debugging/internal/demangle.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'absl/debugging/internal/demangle.cc')

diff --git a/absl/debugging/internal/demangle.cc b/absl/debugging/internal/demangle.cc
index 82420c8b..71d4eb0a 100644
--- a/absl/debugging/internal/demangle.cc
+++ b/absl/debugging/internal/demangle.cc
@@ -19,6 +19,7 @@
 
 #include "absl/debugging/internal/demangle.h"
 
+#include <cstddef>
 #include <cstdint>
 #include <cstdio>
 #include <cstdlib>
@@ -26,6 +27,7 @@
 #include <string>
 
 #include "absl/base/config.h"
+#include "absl/debugging/internal/demangle_rust.h"
 
 #if ABSL_INTERNAL_HAS_CXA_DEMANGLE
 #include <cxxabi.h>
@@ -2110,6 +2112,10 @@ static bool Overflowed(const State *state) {
 
 // The demangler entry point.
 bool Demangle(const char* mangled, char* out, size_t out_size) {
+  if (mangled[0] == '_' && mangled[1] == 'R') {
+    return DemangleRustSymbolEncoding(mangled, out, out_size);
+  }
+
   State state;
   InitState(&state, mangled, out, out_size);
   return ParseTopLevelMangledName(&state) && !Overflowed(&state) &&
-- 
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