From d2e985fd323c167e20f77b045a1d99ad166e65db Mon Sep 17 00:00:00 2001 From: rdivacky Date: Wed, 18 Nov 2009 14:58:34 +0000 Subject: Update LLVM to r89205. --- lib/Support/StringExtras.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'lib/Support/StringExtras.cpp') diff --git a/lib/Support/StringExtras.cpp b/lib/Support/StringExtras.cpp index c72f121..1b233ab 100644 --- a/lib/Support/StringExtras.cpp +++ b/lib/Support/StringExtras.cpp @@ -12,6 +12,7 @@ //===----------------------------------------------------------------------===// #include "llvm/ADT/StringExtras.h" +#include "llvm/ADT/SmallVector.h" #include using namespace llvm; @@ -56,3 +57,24 @@ void llvm::SplitString(const std::string &Source, S2 = getToken(S, Delimiters); } } + +void llvm::StringRef::split(SmallVectorImpl &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 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); +} -- cgit v1.1