[clang][Index] Visit UsingDecls and generate USRs for them
Summary:
Add indexing of UsingDecl itself.
Also enable generation of USRs for UsingDecls, using the qualified name of the
decl.
Reviewers: ilya-biryukov, akyrtzi
Subscribers: arphaman, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D58340
llvm-svn: 354878
diff --git a/clang/unittests/Index/IndexTests.cpp b/clang/unittests/Index/IndexTests.cpp
index 66cef88..97051c0 100644
--- a/clang/unittests/Index/IndexTests.cpp
+++ b/clang/unittests/Index/IndexTests.cpp
@@ -57,6 +57,7 @@
std::string QName;
Position WrittenPos;
Position DeclPos;
+ SymbolInfo SymInfo;
// FIXME: add more information.
};
@@ -78,6 +79,7 @@
if (!ND)
return true;
TestSymbol S;
+ S.SymInfo = getSymbolInfo(D);
S.QName = ND->getQualifiedNameAsString();
S.WrittenPos = Position::fromSourceLocation(Loc, AST->getSourceManager());
S.DeclPos =
@@ -140,6 +142,7 @@
MATCHER_P(QName, Name, "") { return arg.QName == Name; }
MATCHER_P(WrittenAt, Pos, "") { return arg.WrittenPos == Pos; }
MATCHER_P(DeclAt, Pos, "") { return arg.DeclPos == Pos; }
+MATCHER_P(Kind, SymKind, "") { return arg.SymInfo.Kind == SymKind; }
TEST(IndexTest, Simple) {
auto Index = std::make_shared<Indexer>();
@@ -240,6 +243,20 @@
Contains(QName("Foo::C")), Contains(QName("Foo::NoRef"))));
}
+TEST(IndexTest, UsingDecls) {
+ std::string Code = R"cpp(
+ void foo(int bar);
+ namespace std {
+ using ::foo;
+ }
+ )cpp";
+ auto Index = std::make_shared<Indexer>();
+ IndexingOptions Opts;
+ tooling::runToolOnCode(new IndexAction(Index, Opts), Code);
+ EXPECT_THAT(Index->Symbols,
+ Contains(AllOf(QName("std::foo"), Kind(SymbolKind::Using))));
+}
+
} // namespace
} // namespace index
} // namespace clang