diff options
author | Alex Lorenz <arphaman@gmail.com> | 2017-07-11 09:39:23 +0000 |
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committer | Alex Lorenz <arphaman@gmail.com> | 2017-07-11 09:39:23 +0000 |
commit | b6e778e0bfa2fc32f8821c6b33762f5cb6724659 (patch) | |
tree | 42c61ff22b430f23acdf14070f2da5a1052e019d /unittests | |
parent | 5e43234a296b79260b6e0ecbad22035fd1de0f24 (diff) |
RecursiveASTVisitor should visit the nested name qualifiers in
a template specialisation
rdar://33123354
Differential Revision: https://reviews.llvm.org/D34981
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307638 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r-- | unittests/Tooling/RecursiveASTVisitorTest.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/unittests/Tooling/RecursiveASTVisitorTest.cpp b/unittests/Tooling/RecursiveASTVisitorTest.cpp index 74c9c3db34..63dbd14754 100644 --- a/unittests/Tooling/RecursiveASTVisitorTest.cpp +++ b/unittests/Tooling/RecursiveASTVisitorTest.cpp @@ -244,4 +244,62 @@ TEST(RecursiveASTVisitor, InitListExprIsPostOrderNoQueueVisitedTwice) { InitListExprPostOrderNoQueueVisitor::Lang_C)); } +// Check to ensure that nested name specifiers are visited. +class NestedNameSpecifiersVisitor + : public ExpectedLocationVisitor<NestedNameSpecifiersVisitor> { +public: + bool VisitRecordTypeLoc(RecordTypeLoc RTL) { + if (!RTL) + return true; + Match(RTL.getDecl()->getName(), RTL.getNameLoc()); + return true; + } + + bool TraverseNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS) { + if (!NNS) + return true; + if (const NamespaceDecl *ND = + NNS.getNestedNameSpecifier()->getAsNamespace()) + Match(ND->getName(), NNS.getLocalBeginLoc()); + return ExpectedLocationVisitor::TraverseNestedNameSpecifierLoc(NNS); + } +}; + +TEST(RecursiveASTVisitor, + NestedNameSpecifiersForTemplateSpecializationsAreVisited) { + StringRef Source = R"( +namespace ns { +struct Outer { + template<typename T, typename U> + struct Nested { }; + + template<typename T> + static T x; +}; +} + +template<> +struct ns::Outer::Nested<int, int>; + +template<> +struct ns::Outer::Nested<int, int> { }; + +template<typename T> +struct ns::Outer::Nested<int, T> { }; + +template<> +int ns::Outer::x<int> = 0; +)"; + NestedNameSpecifiersVisitor Visitor; + Visitor.ExpectMatch("ns", 13, 8); + Visitor.ExpectMatch("ns", 16, 8); + Visitor.ExpectMatch("ns", 19, 8); + Visitor.ExpectMatch("ns", 22, 5); + Visitor.ExpectMatch("Outer", 13, 12); + Visitor.ExpectMatch("Outer", 16, 12); + Visitor.ExpectMatch("Outer", 19, 12); + Visitor.ExpectMatch("Outer", 22, 9); + EXPECT_TRUE(Visitor.runOver(Source, NestedNameSpecifiersVisitor::Lang_CXX14)); +} + } // end anonymous namespace |