diff options
| -rw-r--r-- | clang/lib/AST/DeclCXX.cpp | 1 | ||||
| -rw-r--r-- | clang/unittests/Tooling/RecursiveASTVisitorTest.cpp | 26 |
2 files changed, 27 insertions, 0 deletions
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp index 4d963cf4b3c..337ca6629c9 100644 --- a/clang/lib/AST/DeclCXX.cpp +++ b/clang/lib/AST/DeclCXX.cpp @@ -114,6 +114,7 @@ CXXRecordDecl *CXXRecordDecl::CreateLambda(const ASTContext &C, DeclContext *DC, R->IsBeingDefined = true; R->DefinitionData = new (C) struct LambdaDefinitionData(R, Info, Dependent); R->MayHaveOutOfDateDef = false; + R->setImplicit(true); C.getTypeDeclType(R, /*PrevDecl=*/0); return R; } diff --git a/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp b/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp index 2de9f15f226..b1d6f4a37c0 100644 --- a/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp +++ b/clang/unittests/Tooling/RecursiveASTVisitorTest.cpp @@ -522,4 +522,30 @@ TEST(RecursiveASTVisitor, HasCaptureDefaultLoc) { LambdaDefaultCaptureVisitor::Lang_CXX11)); } +// Checks for lambda classes that are not marked as implicitly-generated. +// (There should be none.) +class ClassVisitor : public ExpectedLocationVisitor<ClassVisitor> { +public: + ClassVisitor() : SawNonImplicitLambdaClass(false) {} + bool VisitCXXRecordDecl(CXXRecordDecl* record) { + if (record->isLambda() && !record->isImplicit()) + SawNonImplicitLambdaClass = true; + return true; + } + + bool sawOnlyImplicitLambdaClasses() const { + return !SawNonImplicitLambdaClass; + } + +private: + bool SawNonImplicitLambdaClass; +}; + +TEST(RecursiveASTVisitor, LambdaClosureTypesAreImplicit) { + ClassVisitor Visitor; + EXPECT_TRUE(Visitor.runOver("auto lambda = []{};", + ClassVisitor::Lang_CXX11)); + EXPECT_TRUE(Visitor.sawOnlyImplicitLambdaClasses()); +} + } // end namespace clang |
