[PATCH] D85727: [clangd] Disable ExtractFunction for C

[Kadir Cetinkaya via Phabricator via cfe-commits]

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

This tweak uses constructs like auto and refs, which are not available
in C.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D85727

Files:
  clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
  clang-tools-extra/clangd/unittests/TweakTests.cpp


Index: clang-tools-extra/clangd/unittests/TweakTests.cpp
===================================================================
--- clang-tools-extra/clangd/unittests/TweakTests.cpp
+++ clang-tools-extra/clangd/unittests/TweakTests.cpp
@@ -605,6 +605,9 @@
   EXPECT_THAT(apply(" if(true) [[{ return; }]] "), HasSubstr("extracted"));
   // Don't extract uncertain return
   EXPECT_THAT(apply(" if(true) [[if (false) return;]] "), StartsWith("fail"));
+
+  FileName = "a.c";
+  EXPECT_THAT(apply(" for([[int i = 0;]];);"), HasSubstr("unavailable"));
 }
 
 TEST_F(ExtractFunctionTest, FileTest) {
Index: clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
===================================================================
--- clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
+++ clang-tools-extra/clangd/refactor/tweaks/ExtractFunction.cpp
@@ -673,6 +673,8 @@
   const Node *CommonAnc = Inputs.ASTSelection.commonAncestor();
   const SourceManager &SM = Inputs.AST->getSourceManager();
   const LangOptions &LangOpts = Inputs.AST->getLangOpts();
+  if (!LangOpts.CPlusPlus)
+    return false;
   if (auto MaybeExtZone = findExtractionZone(CommonAnc, SM, LangOpts)) {
     ExtZone = std::move(*MaybeExtZone);
     return true;


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