77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
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//=------ unittest/Tooling/RecursiveASTVisitorTests/CXXMethodDecl.cpp ------=//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "TestVisitor.h"
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#include "clang/AST/Expr.h"
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using namespace clang;
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namespace {
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class CXXMethodDeclVisitor
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: public ExpectedLocationVisitor<CXXMethodDeclVisitor> {
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public:
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CXXMethodDeclVisitor(bool VisitImplicitCode)
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: VisitImplicitCode(VisitImplicitCode) {}
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bool shouldVisitImplicitCode() const { return VisitImplicitCode; }
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bool VisitDeclRefExpr(DeclRefExpr *D) {
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Match("declref", D->getLocation());
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return true;
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}
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bool VisitParmVarDecl(ParmVarDecl *P) {
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Match("parm", P->getLocation());
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return true;
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}
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private:
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bool VisitImplicitCode;
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};
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TEST(RecursiveASTVisitor, CXXMethodDeclNoDefaultBodyVisited) {
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for (bool VisitImplCode : {false, true}) {
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CXXMethodDeclVisitor Visitor(VisitImplCode);
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if (VisitImplCode)
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Visitor.ExpectMatch("declref", 8, 28);
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else
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Visitor.DisallowMatch("declref", 8, 28);
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Visitor.ExpectMatch("parm", 8, 27);
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llvm::StringRef Code = R"cpp(
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struct B {};
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struct A {
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B BB;
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A &operator=(A &&O);
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};
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A &A::operator=(A &&O) = default;
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)cpp";
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EXPECT_TRUE(Visitor.runOver(Code, CXXMethodDeclVisitor::Lang_CXX11));
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}
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}
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TEST(RecursiveASTVisitor, FunctionDeclNoDefaultBodyVisited) {
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for (bool VisitImplCode : {false, true}) {
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CXXMethodDeclVisitor Visitor(VisitImplCode);
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if (VisitImplCode)
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Visitor.ExpectMatch("declref", 4, 58, /*Times=*/2);
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else
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Visitor.DisallowMatch("declref", 4, 58);
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llvm::StringRef Code = R"cpp(
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struct s {
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int x;
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friend auto operator==(s a, s b) -> bool = default;
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};
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bool k = s() == s(); // make sure clang generates the "==" definition.
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)cpp";
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EXPECT_TRUE(Visitor.runOver(Code, CXXMethodDeclVisitor::Lang_CXX2a));
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}
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}
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} // end anonymous namespace
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