1 files changed, 122 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp b/llvm/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp
new file mode 100644
index 0000000000000..704c1254afbfd
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/Native/NativeSymbolEnumerator.cpp
@@ -0,0 +1,122 @@
+//===- NativeSymbolEnumerator.cpp - info about enumerators ------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/PDB/Native/NativeSymbolEnumerator.h"
+
+#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
+#include "llvm/DebugInfo/PDB/Native/NativeTypeBuiltin.h"
+#include "llvm/DebugInfo/PDB/Native/NativeTypeEnum.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+using namespace llvm::pdb;
+
+NativeSymbolEnumerator::NativeSymbolEnumerator(
+    NativeSession &Session, SymIndexId Id, const NativeTypeEnum &Parent,
+    codeview::EnumeratorRecord Record)
+    : NativeRawSymbol(Session, PDB_SymType::Data, Id), Parent(Parent),
+      Record(std::move(Record)) {}
+
+NativeSymbolEnumerator::~NativeSymbolEnumerator() {}
+
+void NativeSymbolEnumerator::dump(raw_ostream &OS, int Indent,
+                                  PdbSymbolIdField ShowIdFields,
+                                  PdbSymbolIdField RecurseIdFields) const {
+  NativeRawSymbol::dump(OS, Indent, ShowIdFields, RecurseIdFields);
+  dumpSymbolIdField(OS, "classParentId", getClassParentId(), Indent, Session,
+                    PdbSymbolIdField::ClassParent, ShowIdFields,
+                    RecurseIdFields);
+  dumpSymbolIdField(OS, "lexicalParentId", getLexicalParentId(), Indent,
+                    Session, PdbSymbolIdField::LexicalParent, ShowIdFields,
+                    RecurseIdFields);
+  dumpSymbolField(OS, "name", getName(), Indent);
+  dumpSymbolIdField(OS, "typeId", getTypeId(), Indent, Session,
+                    PdbSymbolIdField::Type, ShowIdFields, RecurseIdFields);
+  dumpSymbolField(OS, "dataKind", getDataKind(), Indent);
+  dumpSymbolField(OS, "locationType", getLocationType(), Indent);
+  dumpSymbolField(OS, "constType", isConstType(), Indent);
+  dumpSymbolField(OS, "unalignedType", isUnalignedType(), Indent);
+  dumpSymbolField(OS, "volatileType", isVolatileType(), Indent);
+  dumpSymbolField(OS, "value", getValue(), Indent);
+}
+
+SymIndexId NativeSymbolEnumerator::getClassParentId() const {
+  return Parent.getSymIndexId();
+}
+
+SymIndexId NativeSymbolEnumerator::getLexicalParentId() const { return 0; }
+
+std::string NativeSymbolEnumerator::getName() const { return Record.Name; }
+
+SymIndexId NativeSymbolEnumerator::getTypeId() const {
+  return Parent.getTypeId();
+}
+
+PDB_DataKind NativeSymbolEnumerator::getDataKind() const {
+  return PDB_DataKind::Constant;
+}
+
+PDB_LocType NativeSymbolEnumerator::getLocationType() const {
+  return PDB_LocType::Constant;
+}
+
+bool NativeSymbolEnumerator::isConstType() const { return false; }
+
+bool NativeSymbolEnumerator::isVolatileType() const { return false; }
+
+bool NativeSymbolEnumerator::isUnalignedType() const { return false; }
+
+Variant NativeSymbolEnumerator::getValue() const {
+  const NativeTypeBuiltin &BT = Parent.getUnderlyingBuiltinType();
+
+  switch (BT.getBuiltinType()) {
+  case PDB_BuiltinType::Int:
+  case PDB_BuiltinType::Long:
+  case PDB_BuiltinType::Char: {
+    assert(Record.Value.isSignedIntN(BT.getLength() * 8));
+    int64_t N = Record.Value.getSExtValue();
+    switch (BT.getLength()) {
+    case 1:
+      return Variant{static_cast<int8_t>(N)};
+    case 2:
+      return Variant{static_cast<int16_t>(N)};
+    case 4:
+      return Variant{static_cast<int32_t>(N)};
+    case 8:
+      return Variant{static_cast<int64_t>(N)};
+    }
+    break;
+  }
+  case PDB_BuiltinType::UInt:
+  case PDB_BuiltinType::ULong: {
+    assert(Record.Value.isIntN(BT.getLength() * 8));
+    uint64_t U = Record.Value.getZExtValue();
+    switch (BT.getLength()) {
+    case 1:
+      return Variant{static_cast<uint8_t>(U)};
+    case 2:
+      return Variant{static_cast<uint16_t>(U)};
+    case 4:
+      return Variant{static_cast<uint32_t>(U)};
+    case 8:
+      return Variant{static_cast<uint64_t>(U)};
+    }
+    break;
+  }
+  case PDB_BuiltinType::Bool: {
+    assert(Record.Value.isIntN(BT.getLength() * 8));
+    uint64_t U = Record.Value.getZExtValue();
+    return Variant{static_cast<bool>(U)};
+  }
+  default:
+    assert(false && "Invalid enumeration type");
+    break;
+  }
+
+  return Variant{Record.Value.getSExtValue()};
+}