| 1 | //===- unittest/Tooling/RecursiveASTVisitorTests/ImplicitCtor.cpp ---------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "TestVisitor.h" |
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| 10 | |
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| 11 | using namespace clang; |
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| 12 | |
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| 13 | namespace { |
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| 14 | |
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| 15 | // A visitor that visits implicit declarations and matches constructors. |
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| 16 | class ImplicitCtorVisitor : public ExpectedLocationVisitor { |
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| 17 | public: |
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| 18 | bool VisitCXXConstructorDecl(CXXConstructorDecl *Ctor) override { |
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| 19 | if (Ctor->isImplicit()) { // Was not written in source code |
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| 20 | if (const CXXRecordDecl* Class = Ctor->getParent()) { |
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| 21 | Match(Name: Class->getName(), Location: Ctor->getLocation()); |
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| 22 | } |
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| 23 | } |
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| 24 | return true; |
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| 25 | } |
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| 26 | }; |
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| 27 | |
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| 28 | TEST(RecursiveASTVisitor, VisitsImplicitCopyConstructors) { |
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| 29 | ImplicitCtorVisitor Visitor; |
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| 30 | Visitor.ExpectMatch("Simple" , 2, 8); |
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| 31 | // Note: Clang lazily instantiates implicit declarations, so we need |
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| 32 | // to use them in order to force them to appear in the AST. |
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| 33 | EXPECT_TRUE(Visitor.runOver( |
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| 34 | "struct WithCtor { WithCtor(); }; \n" |
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| 35 | "struct Simple { Simple(); WithCtor w; }; \n" |
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| 36 | "int main() { Simple s; Simple t(s); }\n" )); |
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| 37 | } |
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| 38 | |
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| 39 | } // end anonymous namespace |
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| 40 | |
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