| 1 | //=- unittest/Tooling/RecursiveASTVisitorTests/ImplicitCtorInitializer.cpp -=// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "TestVisitor.h" |
| 10 | |
| 11 | using namespace clang; |
| 12 | |
| 13 | namespace { |
| 14 | |
| 15 | class CXXCtorInitializerVisitor |
| 16 | : public ExpectedLocationVisitor<CXXCtorInitializerVisitor> { |
| 17 | public: |
| 18 | CXXCtorInitializerVisitor(bool VisitImplicitCode) |
| 19 | : VisitImplicitCode(VisitImplicitCode) {} |
| 20 | |
| 21 | bool shouldVisitImplicitCode() const { return VisitImplicitCode; } |
| 22 | |
| 23 | bool TraverseConstructorInitializer(CXXCtorInitializer *Init) { |
| 24 | if (!Init->isWritten()) |
| 25 | VisitedImplicitInitializer = true; |
| 26 | Match(Name: "initializer", Location: Init->getSourceLocation()); |
| 27 | return ExpectedLocationVisitor< |
| 28 | CXXCtorInitializerVisitor>::TraverseConstructorInitializer(Init); |
| 29 | } |
| 30 | |
| 31 | bool VisitedImplicitInitializer = false; |
| 32 | |
| 33 | private: |
| 34 | bool VisitImplicitCode; |
| 35 | }; |
| 36 | |
| 37 | // Check to ensure that CXXCtorInitializer is not visited when implicit code |
| 38 | // should not be visited and that it is visited when implicit code should be |
| 39 | // visited. |
| 40 | TEST(RecursiveASTVisitor, CXXCtorInitializerVisitNoImplicit) { |
| 41 | for (bool VisitImplCode : {true, false}) { |
| 42 | CXXCtorInitializerVisitor Visitor(VisitImplCode); |
| 43 | Visitor.ExpectMatch(Match: "initializer", Line: 7, Column: 17); |
| 44 | llvm::StringRef Code = R"cpp( |
| 45 | class A {}; |
| 46 | class B : public A { |
| 47 | B() {}; |
| 48 | }; |
| 49 | class C : public A { |
| 50 | C() : A() {} |
| 51 | }; |
| 52 | )cpp"; |
| 53 | EXPECT_TRUE(Visitor.runOver(Code, CXXCtorInitializerVisitor::Lang_CXX)); |
| 54 | EXPECT_EQ(Visitor.VisitedImplicitInitializer, VisitImplCode); |
| 55 | } |
| 56 | } |
| 57 | } // end anonymous namespace |
| 58 |