================
@@ -62,6 +62,52 @@ FieldSet getObjectFields(QualType Type);
bool containsSameFields(const FieldSet &Fields,
const RecordStorageLocation::FieldToLoc &FieldLocs);
+/// Returns the fields of a `RecordDecl` that are initialized by an
+/// `InitListExpr`, in the order in which they appear in
+/// `InitListExpr::inits()`.
+/// `Init->getType()` must be a record type.
+std::vector<const FieldDecl *>
+getFieldsForInitListExpr(const InitListExpr *InitList);
+
+/// Helper class for initialization of a record with an `InitListExpr`.
+/// `InitListExpr::inits()` contains the initializers for both the base classes
+/// and the fields of the record; this helper class separates these out into
two
+/// different lists. In addition, it deals with special cases associated with
+/// unions.
+class RecordInitListHelper {
+public:
+ // `InitList` must have record type.
+ RecordInitListHelper(const InitListExpr *InitList);
+
+ // Base classes with their associated initializer expressions.
+ ArrayRef<std::pair<const CXXBaseSpecifier *, Expr *>> base_inits() const {
+ return BaseInits;
+ }
+
+ // Fields with their associated initializer expressions.
+ ArrayRef<std::pair<const FieldDecl *, Expr *>> field_inits() const {
+ return FieldInits;
+ }
+
+private:
+ SmallVector<std::pair<const CXXBaseSpecifier *, Expr *>> BaseInits;
+ SmallVector<std::pair<const FieldDecl *, Expr *>> FieldInits;
+
+ // We potentially synthesize an `ImplicitValueInitExpr` for unions. It's a
+ // member variable because we store a pointer to it in `FieldInits`.
+ std::optional<ImplicitValueInitExpr> ImplicitValueInitForUnion;
+};
+
+struct FieldsGlobalsAndFuncs {
----------------
martinboehme wrote:
My vote would be for `Referenced`, and I would also suggest replacing
`FieldsGlobalsAndFuncs` (which is a name that IIRC has "accreted" over time).
How about `ReferencedDecls` (and `getReferencedDecls()`), which reads better
and will remain accurate if we add more types of declarations in the future?
https://github.com/llvm/llvm-project/pull/88534
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