[PATCH] D115959: [clangd] Fix undefined behavior when generating error message at rename with an invalid name

[Aleksandr Platonov via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG555eacf75f21: [clangd] Fix undefined behavior when 
generating error message at rename with an… (authored by ArcsinX).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D115959/new/

https://reviews.llvm.org/D115959

Files:
  clang-tools-extra/clangd/refactor/Rename.cpp
  clang-tools-extra/clangd/unittests/RenameTests.cpp


Index: clang-tools-extra/clangd/unittests/RenameTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/RenameTests.cpp
+++ clang-tools-extra/clangd/unittests/RenameTests.cpp
@@ -1060,6 +1060,11 @@
       )cpp",
        "conflict", !HeaderFile, "Conflict"},
 
+      {R"cpp(
+        int V^ar;
+      )cpp",
+       "\"const\" is a keyword", !HeaderFile, "const"},
+
       {R"cpp(// Trying to rename into the same name, SameName == SameName.
         void func() {
           int S^ameName;
Index: clang-tools-extra/clangd/refactor/Rename.cpp
===================================================================
--- clang-tools-extra/clangd/refactor/Rename.cpp
+++ clang-tools-extra/clangd/refactor/Rename.cpp
@@ -455,7 +455,7 @@
 }
 
 llvm::Error makeError(InvalidName Reason) {
-  auto Message = [](InvalidName Reason) {
+  auto Message = [](const InvalidName &Reason) {
     switch (Reason.K) {
     case InvalidName::Keywords:
       return llvm::formatv("the chosen name \"{0}\" is a keyword",
@@ -733,7 +733,7 @@
     return makeError(ReasonToReject::SameName);
   auto Invalid = checkName(RenameDecl, RInputs.NewName);
   if (Invalid)
-    return makeError(*Invalid);
+    return makeError(std::move(*Invalid));
 
   auto Reject = renameable(RenameDecl, RInputs.MainFilePath, RInputs.Index);
   if (Reject)



Index: clang-tools-extra/clangd/unittests/RenameTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/RenameTests.cpp
+++ clang-tools-extra/clangd/unittests/RenameTests.cpp
@@ -1060,6 +1060,11 @@
       )cpp",
        "conflict", !HeaderFile, "Conflict"},
 
+      {R"cpp(
+        int V^ar;
+      )cpp",
+       "\"const\" is a keyword", !HeaderFile, "const"},
+
       {R"cpp(// Trying to rename into the same name, SameName == SameName.
         void func() {
           int S^ameName;
Index: clang-tools-extra/clangd/refactor/Rename.cpp
===================================================================
--- clang-tools-extra/clangd/refactor/Rename.cpp
+++ clang-tools-extra/clangd/refactor/Rename.cpp
@@ -455,7 +455,7 @@
 }
 
 llvm::Error makeError(InvalidName Reason) {
-  auto Message = [](InvalidName Reason) {
+  auto Message = [](const InvalidName &Reason) {
     switch (Reason.K) {
     case InvalidName::Keywords:
       return llvm::formatv("the chosen name \"{0}\" is a keyword",
@@ -733,7 +733,7 @@
     return makeError(ReasonToReject::SameName);
   auto Invalid = checkName(RenameDecl, RInputs.NewName);
   if (Invalid)
-    return makeError(*Invalid);
+    return makeError(std::move(*Invalid));
 
   auto Reject = renameable(RenameDecl, RInputs.MainFilePath, RInputs.Index);
   if (Reject)

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