Author: Ilya Biryukov Date: 2019-11-20T16:40:28+01:00 New Revision: b5135a86e04761577494c70e7c0057136cc90b5b
URL: https://github.com/llvm/llvm-project/commit/b5135a86e04761577494c70e7c0057136cc90b5b DIFF: https://github.com/llvm/llvm-project/commit/b5135a86e04761577494c70e7c0057136cc90b5b.diff LOG: [clangd] Fix a crash in expected types Reviewers: kadircet Reviewed By: kadircet Subscribers: merge_guards_bot, MaskRay, jkorous, arphaman, usaxena95, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D70481 Added: Modified: clang-tools-extra/clangd/ExpectedTypes.cpp clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp Removed: ################################################################################ diff --git a/clang-tools-extra/clangd/ExpectedTypes.cpp b/clang-tools-extra/clangd/ExpectedTypes.cpp index 3b0779ea66bc..a82a64cf14e2 100644 --- a/clang-tools-extra/clangd/ExpectedTypes.cpp +++ b/clang-tools-extra/clangd/ExpectedTypes.cpp @@ -44,12 +44,10 @@ static const Type *toEquivClass(ASTContext &Ctx, QualType T) { static llvm::Optional<QualType> typeOfCompletion(const CodeCompletionResult &R) { const NamedDecl *D = R.Declaration; - if (!D) - return llvm::None; // Templates do not have a type on their own, look at the templated decl. - if (auto *Template = dyn_cast<TemplateDecl>(D)) + if (auto *Template = dyn_cast_or_null<TemplateDecl>(D)) D = Template->getTemplatedDecl(); - auto *VD = dyn_cast<ValueDecl>(D); + auto *VD = dyn_cast_or_null<ValueDecl>(D); if (!VD) return llvm::None; // We handle only variables and functions below. auto T = VD->getType(); diff --git a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp index 5b50b9fe9f8b..e69b2a6205f6 100644 --- a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp +++ b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp @@ -1030,6 +1030,16 @@ TEST(CompletionTest, DefaultArgs) { SnippetSuffix("(${1:int A})")))); } +TEST(CompletionTest, NoCrashWithTemplateParamsAndPreferredTypes) { + auto Completions = completions(R"cpp( +template <template <class> class TT> int foo() { + int a = ^ +} +)cpp") + .Completions; + EXPECT_THAT(Completions, Contains(Named("TT"))); +} + SignatureHelp signatures(llvm::StringRef Text, Position Point, std::vector<Symbol> IndexSymbols = {}) { std::unique_ptr<SymbolIndex> Index; _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
