+StringRef Twine::toStringRef(SmallVectorImpl<char> &Out) const {
+ if (isSingleStringRef())
+ return getSingleStringRef();
+ toVector(Out);
+ return StringRef(Out.data(), Out.size());
+}
+
+StringRef Twine::toNullTerminatedStringRef(SmallVectorImpl<char> &Out) const {
+ if (isUnary()) {
+ switch (getLHSKind()) {
+ case CStringKind:
+ // Already null terminated, yay!
+ return StringRef(LHS.cString);
+ case StdStringKind: {
+ const std::string *str = LHS.stdString;
+ return StringRef(str->c_str(), str->size());
+ }
+ default:
+ break;
+ }
+ }
+ toVector(Out);
+ Out.push_back(0);
+ Out.pop_back();
+ return StringRef(Out.data(), Out.size());
+}
+
+void Twine::printOneChild(raw_ostream &OS, Child Ptr,