[PATCH] D116717: [CodeCompletion] Complete designators for fields in anonymous structs/unions

[Sam McCall via Phabricator via cfe-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGbbf234b56a82: [CodeCompletion] Complete designators for fields in anonymous structs/unions (authored by sammccall).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D116717/new/

https://reviews.llvm.org/D116717

Files:
  clang/lib/Sema/SemaCodeComplete.cpp
  clang/test/CodeCompletion/desig-init.cpp


Index: clang/test/CodeCompletion/desig-init.cpp
===================================================================
--- clang/test/CodeCompletion/desig-init.cpp
+++ clang/test/CodeCompletion/desig-init.cpp
@@ -77,3 +77,11 @@
   // CHECK-SIGNATURE-REGRESSION-NOT: OVERLOAD: [#int#]wrongFunction
 }
 
+struct WithAnon {
+  int outer;
+  struct { int inner; };
+};
+auto TestWithAnon = WithAnon { .inner = 2 };
+  // RUN: %clang_cc1 -fsyntax-only -code-completion-patterns -code-completion-at=%s:84:33 %s -o - -std=c++2a | FileCheck -check-prefix=CHECK-CC5 %s
+  // CHECK-CC5: COMPLETION: inner : [#int#]inner
+  // CHECK-CC5: COMPLETION: outer : [#int#]outer
Index: clang/lib/Sema/SemaCodeComplete.cpp
===================================================================
--- clang/lib/Sema/SemaCodeComplete.cpp
+++ clang/lib/Sema/SemaCodeComplete.cpp
@@ -6344,7 +6344,15 @@
                         CodeCompleter->getCodeCompletionTUInfo(), CCC);
 
   Results.EnterNewScope();
-  for (const auto *FD : RD->fields()) {
+  for (const Decl *D : RD->decls()) {
+    const FieldDecl *FD;
+    if (auto *IFD = dyn_cast<IndirectFieldDecl>(D))
+      FD = IFD->getAnonField();
+    else if (auto *DFD = dyn_cast<FieldDecl>(D))
+      FD = DFD;
+    else
+      continue;
+
     // FIXME: Make use of previous designators to mark any fields before those
     // inaccessible, and also compute the next initializer priority.
     ResultBuilder::Result Result(FD, Results.getBasePriority(FD));


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