1 files changed, 65 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/TextAPI/RecordVisitor.cpp b/contrib/llvm-project/llvm/lib/TextAPI/RecordVisitor.cpp
new file mode 100644
index 000000000000..cee04e644755
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/TextAPI/RecordVisitor.cpp
@@ -0,0 +1,65 @@
+//===- RecordVisitor.cpp --------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// Implements the TAPI Record Visitor.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm/TextAPI/RecordVisitor.h"
+
+using namespace llvm;
+using namespace llvm::MachO;
+
+RecordVisitor::~RecordVisitor() {}
+void RecordVisitor::visitObjCInterface(const ObjCInterfaceRecord &) {}
+void RecordVisitor::visitObjCCategory(const ObjCCategoryRecord &) {}
+
+static bool shouldSkipRecord(const Record &R, const bool RecordUndefs) {
+  if (R.isExported())
+    return false;
+
+  // Skip non exported symbols unless for flat namespace libraries.
+  return !(RecordUndefs && R.isUndefined());
+}
+
+void SymbolConverter::visitGlobal(const GlobalRecord &GR) {
+  auto [SymName, SymKind] = parseSymbol(GR.getName(), GR.getFlags());
+  if (shouldSkipRecord(GR, RecordUndefs))
+    return;
+  Symbols->addGlobal(SymKind, SymName, GR.getFlags(), Targ);
+}
+
+void SymbolConverter::addIVars(const ArrayRef<ObjCIVarRecord *> IVars,
+                               StringRef ContainerName) {
+  for (auto *IV : IVars) {
+    if (shouldSkipRecord(*IV, RecordUndefs))
+      continue;
+    std::string Name =
+        ObjCIVarRecord::createScopedName(ContainerName, IV->getName());
+    Symbols->addGlobal(SymbolKind::ObjectiveCInstanceVariable, Name,
+                       IV->getFlags(), Targ);
+  }
+}
+
+void SymbolConverter::visitObjCInterface(const ObjCInterfaceRecord &ObjCR) {
+  if (!shouldSkipRecord(ObjCR, RecordUndefs)) {
+    Symbols->addGlobal(SymbolKind::ObjectiveCClass, ObjCR.getName(),
+                       ObjCR.getFlags(), Targ);
+    if (ObjCR.hasExceptionAttribute())
+      Symbols->addGlobal(SymbolKind::ObjectiveCClassEHType, ObjCR.getName(),
+                         ObjCR.getFlags(), Targ);
+  }
+
+  addIVars(ObjCR.getObjCIVars(), ObjCR.getName());
+  for (const auto *Cat : ObjCR.getObjCCategories())
+    addIVars(Cat->getObjCIVars(), ObjCR.getName());
+}
+
+void SymbolConverter::visitObjCCategory(const ObjCCategoryRecord &Cat) {
+  addIVars(Cat.getObjCIVars(), Cat.getName());
+}