[PATCH] D71544: [clangd] Improve printing of lambda names

[Kadir Cetinkaya via Phabricator via cfe-commits]

kadircet created this revision.
kadircet added a reviewer: ilya-biryukov.
Herald added subscribers: cfe-commits, usaxena95, arphaman, jkorous, MaskRay.
Herald added a project: clang.

Clangd was printing lambdas as `(anonymous class)` before, we can
improve it by at least printing `(lambda)` instead.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D71544

Files:
  clang-tools-extra/clangd/AST.cpp
  clang-tools-extra/clangd/unittests/HoverTests.cpp


Index: clang-tools-extra/clangd/unittests/HoverTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/HoverTests.cpp
+++ clang-tools-extra/clangd/unittests/HoverTests.cpp
@@ -362,8 +362,7 @@
         }
         )cpp",
        [](HoverInfo &HI) {
-         // FIXME: Special case lambdas.
-         HI.Name = "(anonymous class)";
+         HI.Name = "(lambda)";
          HI.Kind = index::SymbolKind::Class;
        }},
       // auto on template instantiation
Index: clang-tools-extra/clangd/AST.cpp
===================================================================
--- clang-tools-extra/clangd/AST.cpp
+++ clang-tools-extra/clangd/AST.cpp
@@ -223,8 +223,11 @@
     // Come up with a presentation for an anonymous entity.
     if (isa<NamespaceDecl>(ND))
       return "(anonymous namespace)";
-    if (auto *Cls = llvm::dyn_cast<RecordDecl>(&ND))
+    if (auto *Cls = llvm::dyn_cast<RecordDecl>(&ND)) {
+      if (Cls->isLambda())
+        return "(lambda)";
       return ("(anonymous " + Cls->getKindName() + ")").str();
+    }
     if (isa<EnumDecl>(ND))
       return "(anonymous enum)";
     return "(anonymous)";


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