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[clang] Adding an API to create a CXStringSet from a Vector of StringRefs #136773

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[clang] Adding an API to create a CXStringSet from a Vector of StringRefs #136773

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7f39ebc
Adding CXStringSet *createSet that takes a vector of StringRef as input.
qiongsiwu Apr 22, 2025
506c91d
Revise so that we can create an interface to avoid string copying.
qiongsiwu Apr 22, 2025
f3df957
Fix function prototype.
qiongsiwu Apr 22, 2025
ea4e8c6
Updating comments.
qiongsiwu Apr 23, 2025
cf7ed08
Remove unnecessary ArrayRef constructor.
qiongsiwu Apr 23, 2025
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10 changes: 9 additions & 1 deletion clang/tools/libclang/CXString.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -107,7 +107,8 @@ CXString createCXString(CXStringBuf *buf) {
return Str;
}

CXStringSet *createSet(const std::vector<std::string> &Strings) {
template <typename StringTy>
static CXStringSet *createSetImpl(const std::vector<StringTy> &Strings) {
CXStringSet *Set = new CXStringSet;
Set->Count = Strings.size();
Set->Strings = new CXString[Set->Count];
Expand All @@ -116,6 +117,13 @@ CXStringSet *createSet(const std::vector<std::string> &Strings) {
return Set;
}

CXStringSet *createSet(const std::vector<std::string> &Strings) {
return createSetImpl(Strings);
}

CXStringSet *createSet(const std::vector<StringRef> &Strings) {
return createSetImpl(Strings);
}

//===----------------------------------------------------------------------===//
// String pools.
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3 changes: 3 additions & 0 deletions clang/tools/libclang/CXString.h
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Expand Up @@ -67,7 +67,10 @@ CXString createRef(std::string String) = delete;
/// Create a CXString object that is backed by a string buffer.
CXString createCXString(CXStringBuf *buf);

/// Create a CXStringSet object owns the strings. Such an object should be
/// disposed with clang_disposeStringSet.
CXStringSet *createSet(const std::vector<std::string> &Strings);
CXStringSet *createSet(const std::vector<StringRef> &Strings);

/// A string pool used for fast allocation/deallocation of strings.
class CXStringPool {
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