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Distinguish "a," from "a". The first one splits into "a" + "" and the second one into

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"a" + 0.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@87084 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2009-11-13 04:55:09 +00:00
parent 3ddf70442f
commit 20fd4ec8c5
2 changed files with 10 additions and 3 deletions
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8
lib/Support/StringExtras.cpp
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@ -63,8 +63,10 @@ void llvm::StringRef::split(SmallVectorImpl<StringRef> &A,
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.size() != 0 && (MaxSplit < 0 || splits < MaxSplit);
rest.data() != NULL && (MaxSplit < 0 || splits < MaxSplit);
++splits) {
std::pair<llvm::StringRef, llvm::StringRef> p = rest.split(Separators);
@ -72,7 +74,7 @@ void llvm::StringRef::split(SmallVectorImpl<StringRef> &A,
A.push_back(p.first);
rest = p.second;
}
if (rest.size() != 0 || KeepEmpty)
// If we have a tail left, add it.
if (rest.data() != NULL && (rest.size() != 0 || KeepEmpty))
A.push_back(rest);
}