| 1 | //=------ unittest/Tooling/RecursiveASTVisitorTests/CXXMethodDecl.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 | #include "clang/AST/Expr.h" |
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| 11 | |
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| 12 | using namespace clang; |
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| 13 | |
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| 14 | namespace { |
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| 15 | |
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| 16 | class CXXMethodDeclVisitor : public ExpectedLocationVisitor { |
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| 17 | public: |
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| 18 | CXXMethodDeclVisitor(bool VisitImplicitCode) { |
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| 19 | ShouldVisitImplicitCode = VisitImplicitCode; |
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| 20 | } |
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| 21 | |
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| 22 | bool VisitDeclRefExpr(DeclRefExpr *D) override { |
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| 23 | Match("declref" , D->getLocation()); |
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| 24 | return true; |
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| 25 | } |
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| 26 | |
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| 27 | bool VisitParmVarDecl(ParmVarDecl *P) override { |
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| 28 | Match(Name: "parm" , Location: P->getLocation()); |
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| 29 | return true; |
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| 30 | } |
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| 31 | }; |
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| 32 | |
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| 33 | TEST(RecursiveASTVisitor, CXXMethodDeclNoDefaultBodyVisited) { |
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| 34 | for (bool VisitImplCode : {false, true}) { |
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| 35 | CXXMethodDeclVisitor Visitor(VisitImplCode); |
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| 36 | if (VisitImplCode) |
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| 37 | Visitor.ExpectMatch("declref" , 8, 28); |
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| 38 | else |
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| 39 | Visitor.DisallowMatch("declref" , 8, 28); |
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| 40 | |
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| 41 | Visitor.ExpectMatch("parm" , 8, 27); |
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| 42 | llvm::StringRef Code = R"cpp( |
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| 43 | struct B {}; |
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| 44 | struct A { |
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| 45 | B BB; |
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| 46 | A &operator=(A &&O); |
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| 47 | }; |
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| 48 | |
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| 49 | A &A::operator=(A &&O) = default; |
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| 50 | )cpp" ; |
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| 51 | EXPECT_TRUE(Visitor.runOver(Code, CXXMethodDeclVisitor::Lang_CXX11)); |
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| 52 | } |
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| 53 | } |
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| 54 | |
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| 55 | TEST(RecursiveASTVisitor, FunctionDeclNoDefaultBodyVisited) { |
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| 56 | for (bool VisitImplCode : {false, true}) { |
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| 57 | CXXMethodDeclVisitor Visitor(VisitImplCode); |
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| 58 | if (VisitImplCode) |
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| 59 | Visitor.ExpectMatch("declref" , 4, 58, /*Times=*/2); |
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| 60 | else |
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| 61 | Visitor.DisallowMatch("declref" , 4, 58); |
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| 62 | llvm::StringRef Code = R"cpp( |
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| 63 | struct s { |
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| 64 | int x; |
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| 65 | friend auto operator==(s a, s b) -> bool = default; |
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| 66 | }; |
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| 67 | bool k = s() == s(); // make sure clang generates the "==" definition. |
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| 68 | )cpp" ; |
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| 69 | EXPECT_TRUE(Visitor.runOver(Code, CXXMethodDeclVisitor::Lang_CXX2a)); |
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| 70 | } |
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| 71 | } |
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| 72 | } // end anonymous namespace |
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| 73 | |
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