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//===- unittest/Tooling/RecursiveASTVisitorTests/TraversalScope.cpp -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "TestVisitor.h"
using namespace clang;
namespace {
class Visitor : public ExpectedLocationVisitor<Visitor, clang::TestVisitor> {
public:
Visitor(ASTContext *Context) { this->Context = Context; }
bool VisitNamedDecl(NamedDecl *D) {
if (!D->isImplicit())
Match(D->getName(), D->getLocation());
return true;
}
};
TEST(RecursiveASTVisitor, RespectsTraversalScope) {
auto AST = tooling::buildASTFromCode(
R"cpp(
struct foo {
struct bar {
struct baz {};
};
};
)cpp",
"foo.cpp", std::make_shared<PCHContainerOperations>());
auto &Ctx = AST->getASTContext();
auto &TU = *Ctx.getTranslationUnitDecl();
auto &Foo = *TU.lookup(&Ctx.Idents.get("foo")).front();
auto &Bar = *cast<DeclContext>(Foo).lookup(&Ctx.Idents.get("bar")).front();
Ctx.setTraversalScope({&Bar});
Visitor V(&Ctx);
V.DisallowMatch("foo", 2, 8);
V.ExpectMatch("bar", 3, 10);
V.ExpectMatch("baz", 4, 12);
V.TraverseAST(Ctx);
}
} // end anonymous namespace
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