bool mergeAndDeduplicate(const TUReplacements &TUs,
FileToReplacementsMap &GroupedReplacements,
clang::SourceManager &SM) {
// Group all replacements by target file.
std::set<StringRef> Warned;
for (const auto &TU : TUs) {
for (const tooling::Replacement &R : TU.Replacements) {
// Use the file manager to deduplicate paths. FileEntries are
// automatically canonicalized.
const FileEntry *Entry = SM.getFileManager().getFile(R.getFilePath());
if (!Entry && Warned.insert(R.getFilePath()).second) {
errs() << "Described file '" << R.getFilePath()
<< "' doesn't exist. Ignoring...\n";
continue;
}
GroupedReplacements[Entry].push_back(R);
}
}
// Ask clang to deduplicate and report conflicts.
return !deduplicateAndDetectConflicts(GroupedReplacements, SM);
}
