================
@@ -477,6 +486,109 @@ void DiagnosticsEngine::setSeverityForAll(diag::Flavor
Flavor,
setSeverity(Diag, Map, Loc);
}
+namespace {
+class WarningsSpecialCaseList : public llvm::SpecialCaseList {
+public:
+ static std::unique_ptr<WarningsSpecialCaseList>
+ create(const llvm::MemoryBuffer &MB, std::string &Err) {
+ auto SCL = std::make_unique<WarningsSpecialCaseList>();
+ if (!SCL->createInternal(&MB, Err))
+ return nullptr;
+ return SCL;
+ }
+
+ // Section names refer to diagnostic groups, which cover multiple individual
+ // diagnostics. Expand diagnostic groups here to individual diagnostics.
+ // A diagnostic can have multiple diagnostic groups associated with it, we
let
+ // the last section take precedence in such cases.
+ void processSections(DiagnosticsEngine &Diags) {
+ // Drop the default section introduced by special case list, we only
support
+ // exact diagnostic group names.
+ Sections.erase("*");
+ // Make sure we iterate sections by their line numbers.
+ std::vector<std::pair<unsigned, const llvm::StringMapEntry<Section> *>>
+ LineAndSectionEntry;
+ LineAndSectionEntry.reserve(Sections.size());
+ for (const auto &Entry : Sections) {
+ LineAndSectionEntry.emplace_back(
+ Entry.second.SectionMatcher->Globs.at(Entry.first()).second, &Entry);
----------------
bricknerb wrote:
There are 3 first and second references, consider putting some in variables to
make it easier to follow what this actually does.
https://github.com/llvm/llvm-project/pull/112517
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