Move the implementation of StringRef::split out of StringExtras.cpp
and into StringRef.cpp, which is where the other StringRef stuff is.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151054 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/StringRef.cpp b/lib/Support/StringRef.cpp
index 4d20903..0227b9c 100644
--- a/lib/Support/StringRef.cpp
+++ b/lib/Support/StringRef.cpp
@@ -229,6 +229,27 @@
return npos;
}
+void StringRef::split(SmallVectorImpl<StringRef> &A,
+ StringRef Separators, int MaxSplit,
+ bool KeepEmpty) const {
+ StringRef rest = *this;
+
+ // rest.data() is used to distinguish cases like "a," that splits into
+ // "a" + "" and "a" that splits into "a" + 0.
+ for (int splits = 0;
+ rest.data() != NULL && (MaxSplit < 0 || splits < MaxSplit);
+ ++splits) {
+ std::pair<StringRef, StringRef> p = rest.split(Separators);
+
+ if (p.first.size() != 0 || KeepEmpty)
+ A.push_back(p.first);
+ rest = p.second;
+ }
+ // If we have a tail left, add it.
+ if (rest.data() != NULL && (rest.size() != 0 || KeepEmpty))
+ A.push_back(rest);
+}
+
//===----------------------------------------------------------------------===//
// Helpful Algorithms
//===----------------------------------------------------------------------===//