Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 64 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/DebugInfo/CodeView/ContinuationRecordBuilder.h b/clang-r353983/include/llvm/DebugInfo/CodeView/ContinuationRecordBuilder.h
new file mode 100644
index 00000000..cd67f783
--- /dev/null
+++ b/clang-r353983/include/llvm/DebugInfo/CodeView/ContinuationRecordBuilder.h
@@ -0,0 +1,64 @@
+//===- ContinuationRecordBuilder.h ------------------------------*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_CODEVIEW_CONTINUATIONRECORDBUILDER_H
+#define LLVM_DEBUGINFO_CODEVIEW_CONTINUATIONRECORDBUILDER_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/CodeView/CodeView.h"
+#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
+#include "llvm/DebugInfo/CodeView/TypeIndex.h"
+#include "llvm/DebugInfo/CodeView/TypeRecord.h"
+#include "llvm/DebugInfo/CodeView/TypeRecordMapping.h"
+#include "llvm/DebugInfo/CodeView/TypeVisitorCallbacks.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/BinaryByteStream.h"
+#include "llvm/Support/BinaryStreamWriter.h"
+#include "llvm/Support/Error.h"
+#include <cassert>
+#include <cstdint>
+#include <memory>
+#include <vector>
+
+namespace llvm {
+namespace codeview {
+enum class ContinuationRecordKind { FieldList, MethodOverloadList };
+
+class ContinuationRecordBuilder {
+  SmallVector<uint32_t, 4> SegmentOffsets;
+  Optional<ContinuationRecordKind> Kind;
+  AppendingBinaryByteStream Buffer;
+  BinaryStreamWriter SegmentWriter;
+  TypeRecordMapping Mapping;
+  ArrayRef<uint8_t> InjectedSegmentBytes;
+
+  uint32_t getCurrentSegmentLength() const;
+
+  void insertSegmentEnd(uint32_t Offset);
+  CVType createSegmentRecord(uint32_t OffBegin, uint32_t OffEnd,
+                             Optional<TypeIndex> RefersTo);
+
+public:
+  ContinuationRecordBuilder();
+  ~ContinuationRecordBuilder();
+
+  void begin(ContinuationRecordKind RecordKind);
+
+  // This template is explicitly instantiated in the implementation file for all
+  // supported types.  The method itself is ugly, so inlining it into the header
+  // file clutters an otherwise straightforward interface.
+  template <typename RecordType> void writeMemberType(RecordType &Record);
+
+  std::vector<CVType> end(TypeIndex Index);
+};
+} // namespace codeview
+} // namespace llvm
+
+#endif
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