llvm::Optional<std::string> tooling::buildAddressOf(const Expr &E,
const ASTContext &Context) {
+ if (E.isImplicitCXXThis())
+ return std::string("this");
if (const auto *Op = dyn_cast<UnaryOperator>(&E))
if (Op->getOpcode() == UO_Deref) {
// Strip leading '*'.
testBuilder(buildAddressOf, "S x; x + x;", "&(x + x)");
}
+TEST(SourceCodeBuildersTest, BuildAddressOfImplicitThis) {
+ StringRef Snippet = R"cc(
+ struct Struct {
+ void foo() {}
+ void bar() {
+ foo();
+ }
+ };
+ )cc";
+ auto StmtMatch = matchStmt(
+ Snippet,
+ cxxMemberCallExpr(onImplicitObjectArgument(cxxThisExpr().bind("expr"))));
+ ASSERT_TRUE(StmtMatch);
+ EXPECT_THAT(buildAddressOf(*StmtMatch->Result.Nodes.getNodeAs<Expr>("expr"),
+ *StmtMatch->Result.Context),
+ ValueIs(std::string("this")));
+}
+
TEST(SourceCodeBuildersTest, BuildDereferencePointer) {
testBuilder(buildDereference, "S *x; x;", "*x");
}