Revert "[clang][ExtractAPI] Stop dropping fields of nested anonymous record types when they aren't attached to variable declaration (#104600)"

This reverts commit c60da1a271a6bb271e7703b2f7c71fbece67ab78.

1 files changed, 2 insertions, 51 deletions

diff --git a/clang/lib/ExtractAPI/API.cpp b/clang/lib/ExtractAPI/API.cpp
index 9dbc023..ab1108f 100644
--- a/clang/lib/ExtractAPI/API.cpp
+++ b/clang/lib/ExtractAPI/API.cpp
@@ -13,6 +13,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/ExtractAPI/API.h"
+#include "clang/AST/RawCommentList.h"
+#include "clang/Index/USRGeneration.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/ErrorHandling.h"
 #include <memory>
@@ -58,10 +60,6 @@ bool RecordContext::IsWellFormed() const {
 
 void RecordContext::stealRecordChain(RecordContext &Other) {
   assert(IsWellFormed());
-  // Other's record chain is empty, nothing to do
-  if (Other.First == nullptr && Other.Last == nullptr)
-    return;
-
   // If we don't have an empty chain append Other's chain into ours.
   if (First)
     Last->NextInContext = Other.First;
@@ -70,10 +68,6 @@ void RecordContext::stealRecordChain(RecordContext &Other) {
 
   Last = Other.Last;
 
-  for (auto *StolenRecord = Other.First; StolenRecord != nullptr;
-       StolenRecord = StolenRecord->getNextInContext())
-    StolenRecord->Parent = SymbolReference(cast<APIRecord>(this));
-
   // Delete Other's chain to ensure we don't accidentally traverse it.
   Other.First = nullptr;
   Other.Last = nullptr;
@@ -91,22 +85,6 @@ void RecordContext::addToRecordChain(APIRecord *Record) const {
   Last = Record;
 }
 
-void RecordContext::removeFromRecordChain(APIRecord *Record) {
-  APIRecord *Prev = nullptr;
-  for (APIRecord *Curr = First; Curr != Record; Curr = Curr->NextInContext)
-    Prev = Curr;
-
-  if (Prev)
-    Prev->NextInContext = Record->NextInContext;
-  else
-    First = Record->NextInContext;
-
-  if (Last == Record)
-    Last = Prev;
-
-  Record->NextInContext = nullptr;
-}
-
 APIRecord *APISet::findRecordForUSR(StringRef USR) const {
   if (USR.empty())
     return nullptr;
@@ -136,33 +114,6 @@ SymbolReference APISet::createSymbolReference(StringRef Name, StringRef USR,
   return SymbolReference(copyString(Name), copyString(USR), copyString(Source));
 }
 
-void APISet::removeRecord(StringRef USR) {
-  auto Result = USRBasedLookupTable.find(USR);
-  if (Result != USRBasedLookupTable.end()) {
-    auto *Record = Result->getSecond().get();
-    auto &ParentReference = Record->Parent;
-    auto *ParentRecord = const_cast<APIRecord *>(ParentReference.Record);
-    if (!ParentRecord)
-      ParentRecord = findRecordForUSR(ParentReference.USR);
-
-    if (auto *ParentCtx = llvm::cast_if_present<RecordContext>(ParentRecord)) {
-      ParentCtx->removeFromRecordChain(Record);
-      if (auto *RecordAsCtx = llvm::dyn_cast<RecordContext>(Record))
-        ParentCtx->stealRecordChain(*RecordAsCtx);
-    } else {
-      TopLevelRecords.erase(Record);
-      if (auto *RecordAsCtx = llvm::dyn_cast<RecordContext>(Record)) {
-        for (const auto *Child = RecordAsCtx->First; Child != nullptr;
-             Child = Child->getNextInContext())
-          TopLevelRecords.insert(Child);
-      }
-    }
-    USRBasedLookupTable.erase(Result);
-  }
-}
-
-void APISet::removeRecord(APIRecord *Record) { removeRecord(Record->USR); }
-
 APIRecord::~APIRecord() {}
 TagRecord::~TagRecord() {}
 RecordRecord::~RecordRecord() {}