[llvm] f933f7f - [Demangle][Rust] Parse trait definitions

[Tomasz Miąsko via llvm-commits]

Author: Tomasz Miąsko
Date: 2021-05-15T23:52:25+02:00
New Revision: f933f7fbd047802456f9d614daf0f0dfb3c7c45f

URL: https://github.com/llvm/llvm-project/commit/f933f7fbd047802456f9d614daf0f0dfb3c7c45f
DIFF: https://github.com/llvm/llvm-project/commit/f933f7fbd047802456f9d614daf0f0dfb3c7c45f.diff

LOG: [Demangle][Rust] Parse trait definitions

Part of https://reviews.llvm.org/D102549

Added: 
    

Modified: 
    llvm/lib/Demangle/RustDemangle.cpp
    llvm/test/Demangle/rust.test

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Demangle/RustDemangle.cpp b/llvm/lib/Demangle/RustDemangle.cpp
index 7df2ec8e77aa..70183ee67ba3 100644
--- a/llvm/lib/Demangle/RustDemangle.cpp
+++ b/llvm/lib/Demangle/RustDemangle.cpp
@@ -162,6 +162,14 @@ void Demangler::demanglePath() {
     print(">");
     break;
   }
+  case 'Y': {
+    print("<");
+    demangleType();
+    print(" as ");
+    demanglePath();
+    print(">");
+    break;
+  }
   case 'N': {
     char NS = consume();
     if (!isLower(NS) && !isUpper(NS)) {

diff  --git a/llvm/test/Demangle/rust.test b/llvm/test/Demangle/rust.test
index f69156bc5500..f3e23844a115 100644
--- a/llvm/test/Demangle/rust.test
+++ b/llvm/test/Demangle/rust.test
@@ -49,6 +49,11 @@ CHECK: <_ as Clone>
 CHECK: <_ as Clone>
        _RXs_C5cratepC5Clone
 
+; Trait definition
+
+CHECK: <_ as Ord>
+       _RYpC3Ord
+
 ; Generic type arguments
 
 CHECK: generic::<_>