================
@@ -1534,6 +1536,103 @@ inline DiagnosticBuilder
DiagnosticsEngine::Report(unsigned DiagID) {
return Report(SourceLocation(), DiagID);
}
+//===----------------------------------------------------------------------===//
+// RuntimeTrapDiagnosticBuilder and helper classes
+//===----------------------------------------------------------------------===//
+
+/// Helper class for \class RuntimeTrapDiagnosticBuilder. This class stores the
+/// "trap reason" built by \class RuntimeTrapDiagnosticBuilder. This consists
of
+/// a trap message and trap category.
+///
+/// It is intended that this object be allocated on the stack.
+class TrapReason {
+public:
+ TrapReason() {}
+ /// \return The trap message. Note the lifetime of the underlying storage for
+ /// the returned StringRef lives in this class which means the returned
+ /// StringRef should not be used after this class is destroyed.
+ StringRef getMessage() const { return Message; }
+
+ /// \return the trap category (e.g. "Undefined Behavior Sanitizer")
+ StringRef getCategory() const { return Category; }
+
+ bool isEmpty() const { return Message.size() == 0 && Category.size() == 0; }
+
+ /// \return a pointer to this object if it contains a non-empty trap reason,
+ /// otherwise return `nullptr`. This is a convenient helper for passing
+ /// TrapReason objects to function calls that have a `TrapReason*` parameter.
+ TrapReason *getPtr() {
+ if (isEmpty())
+ return nullptr;
+ return this;
+ }
----------------
Sirraide wrote:
I don’t think this function is really necessary. Can’t we just have whatever
function actually emits the diagnostic check if it’s empty?
https://github.com/llvm/llvm-project/pull/154618
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