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