| 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 |
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| 17 | : public ExpectedLocationVisitor<CXXMethodDeclVisitor> { |
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| 18 | public: |
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| 19 | CXXMethodDeclVisitor(bool VisitImplicitCode) |
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| 20 | : VisitImplicitCode(VisitImplicitCode) {} |
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| 21 | |
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| 22 | bool shouldVisitImplicitCode() const { return VisitImplicitCode; } |
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| 23 | |
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| 24 | bool VisitDeclRefExpr(DeclRefExpr *D) { |
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| 25 | Match(Name: "declref" , Location: D->getLocation()); |
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| 26 | return true; |
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| 27 | } |
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| 28 | bool VisitParmVarDecl(ParmVarDecl *P) { |
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| 29 | Match(Name: "parm" , Location: P->getLocation()); |
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| 30 | return true; |
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| 31 | } |
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| 32 | |
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| 33 | private: |
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| 34 | bool VisitImplicitCode; |
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| 35 | }; |
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| 36 | |
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| 37 | TEST(RecursiveASTVisitor, CXXMethodDeclNoDefaultBodyVisited) { |
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| 38 | for (bool VisitImplCode : {false, true}) { |
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| 39 | CXXMethodDeclVisitor Visitor(VisitImplCode); |
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| 40 | if (VisitImplCode) |
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| 41 | Visitor.ExpectMatch(Match: "declref" , Line: 8, Column: 28); |
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| 42 | else |
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| 43 | Visitor.DisallowMatch(Match: "declref" , Line: 8, Column: 28); |
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| 44 | |
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| 45 | Visitor.ExpectMatch(Match: "parm" , Line: 8, Column: 27); |
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| 46 | llvm::StringRef Code = R"cpp( |
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| 47 | struct B {}; |
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| 48 | struct A { |
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| 49 | B BB; |
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| 50 | A &operator=(A &&O); |
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| 51 | }; |
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| 52 | |
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| 53 | A &A::operator=(A &&O) = default; |
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| 54 | )cpp" ; |
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| 55 | EXPECT_TRUE(Visitor.runOver(Code, CXXMethodDeclVisitor::Lang_CXX11)); |
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| 56 | } |
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| 57 | } |
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| 58 | |
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| 59 | TEST(RecursiveASTVisitor, FunctionDeclNoDefaultBodyVisited) { |
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| 60 | for (bool VisitImplCode : {false, true}) { |
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| 61 | CXXMethodDeclVisitor Visitor(VisitImplCode); |
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| 62 | if (VisitImplCode) |
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| 63 | Visitor.ExpectMatch(Match: "declref" , Line: 4, Column: 58, /*Times=*/2); |
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| 64 | else |
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| 65 | Visitor.DisallowMatch(Match: "declref" , Line: 4, Column: 58); |
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| 66 | llvm::StringRef Code = R"cpp( |
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| 67 | struct s { |
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| 68 | int x; |
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| 69 | friend auto operator==(s a, s b) -> bool = default; |
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| 70 | }; |
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| 71 | bool k = s() == s(); // make sure clang generates the "==" definition. |
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| 72 | )cpp" ; |
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| 73 | EXPECT_TRUE(Visitor.runOver(Code, CXXMethodDeclVisitor::Lang_CXX2a)); |
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| 74 | } |
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| 75 | } |
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| 76 | } // end anonymous namespace |
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| 77 | |
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