================
@@ -42,6 +42,58 @@ class PCHContainerReader;
namespace serialization {
+/// The result of attempting to add a new module.
+class AddModuleResult {
+public:
+ enum Kind {
+ /// The module file had already been loaded.
+ AlreadyLoaded,
+ /// The module file was just loaded in response to this call.
+ NewlyLoaded,
+ /// The module file is missing.
+ Missing,
+ /// The module file is out-of-date.
+ OutOfDate
+ };
+ Kind K;
----------------
qiongsiwu wrote:
Nit: Do we need to worry about `K` being uninitialized by default? I can see
that we don't have a good default initialization choice from `Kind`'s
enumerators. If we need, maybe we can add something like `Unknown = 0` at the
top and default initialize `K` to `Unknown`?
https://github.com/llvm/llvm-project/pull/190203
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