| 1 | //===- ContinuationRecordBuilder.h ------------------------------*- C++ -*-===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_DEBUGINFO_CODEVIEW_CONTINUATIONRECORDBUILDER_H |
| 10 | #define LLVM_DEBUGINFO_CODEVIEW_CONTINUATIONRECORDBUILDER_H |
| 11 | |
| 12 | #include "llvm/ADT/ArrayRef.h" |
| 13 | #include "llvm/ADT/SmallVector.h" |
| 14 | #include "llvm/DebugInfo/CodeView/CVRecord.h" |
| 15 | #include "llvm/DebugInfo/CodeView/TypeRecordMapping.h" |
| 16 | #include "llvm/Support/BinaryByteStream.h" |
| 17 | #include "llvm/Support/BinaryStreamWriter.h" |
| 18 | #include <cstdint> |
| 19 | #include <vector> |
| 20 | |
| 21 | namespace llvm { |
| 22 | namespace codeview { |
| 23 | class TypeIndex; |
| 24 | enum class ContinuationRecordKind { FieldList, MethodOverloadList }; |
| 25 | |
| 26 | class ContinuationRecordBuilder { |
| 27 | SmallVector<uint32_t, 4> SegmentOffsets; |
| 28 | std::optional<ContinuationRecordKind> Kind; |
| 29 | AppendingBinaryByteStream Buffer; |
| 30 | BinaryStreamWriter SegmentWriter; |
| 31 | TypeRecordMapping Mapping; |
| 32 | ArrayRef<uint8_t> InjectedSegmentBytes; |
| 33 | |
| 34 | uint32_t getCurrentSegmentLength() const; |
| 35 | |
| 36 | void insertSegmentEnd(uint32_t Offset); |
| 37 | CVType createSegmentRecord(uint32_t OffBegin, uint32_t OffEnd, |
| 38 | std::optional<TypeIndex> RefersTo); |
| 39 | |
| 40 | public: |
| 41 | ContinuationRecordBuilder(); |
| 42 | ~ContinuationRecordBuilder(); |
| 43 | |
| 44 | void begin(ContinuationRecordKind RecordKind); |
| 45 | |
| 46 | // This template is explicitly instantiated in the implementation file for all |
| 47 | // supported types. The method itself is ugly, so inlining it into the header |
| 48 | // file clutters an otherwise straightforward interface. |
| 49 | template <typename RecordType> void writeMemberType(RecordType &Record); |
| 50 | |
| 51 | std::vector<CVType> end(TypeIndex Index); |
| 52 | }; |
| 53 | } // namespace codeview |
| 54 | } // namespace llvm |
| 55 | |
| 56 | #endif |
| 57 |