1 files changed, 90 insertions, 0 deletions
diff --git a/clang-r353983e/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h b/clang-r353983e/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
new file mode 100644
index 00000000..161aa32f
--- /dev/null
+++ b/clang-r353983e/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
@@ -0,0 +1,90 @@
+//===- ModuleDebugStream.h - PDB Module Info Stream Access ------*- 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_PDB_NATIVE_MODULEDEBUGSTREAM_H
+#define LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H
+
+#include "llvm/ADT/iterator_range.h"
+#include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h"
+#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
+#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
+#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
+#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
+#include <memory>
+
+namespace llvm {
+namespace pdb {
+
+class DbiModuleDescriptor;
+
+class ModuleDebugStreamRef {
+  using DebugSubsectionIterator = codeview::DebugSubsectionArray::Iterator;
+
+public:
+  ModuleDebugStreamRef(const DbiModuleDescriptor &Module,
+                       std::unique_ptr<msf::MappedBlockStream> Stream);
+  ModuleDebugStreamRef(ModuleDebugStreamRef &&Other) = default;
+  ModuleDebugStreamRef(const ModuleDebugStreamRef &Other) = default;
+  ~ModuleDebugStreamRef();
+
+  Error reload();
+
+  uint32_t signature() const { return Signature; }
+
+  iterator_range<codeview::CVSymbolArray::Iterator>
+  symbols(bool *HadError) const;
+
+  const codeview::CVSymbolArray &getSymbolArray() const { return SymbolArray; }
+  const codeview::CVSymbolArray
+  getSymbolArrayForScope(uint32_t ScopeBegin) const;
+
+  BinarySubstreamRef getSymbolsSubstream() const;
+  BinarySubstreamRef getC11LinesSubstream() const;
+  BinarySubstreamRef getC13LinesSubstream() const;
+  BinarySubstreamRef getGlobalRefsSubstream() const;
+
+  ModuleDebugStreamRef &operator=(ModuleDebugStreamRef &&Other) = delete;
+
+  codeview::CVSymbol readSymbolAtOffset(uint32_t Offset) const;
+
+  iterator_range<DebugSubsectionIterator> subsections() const;
+  codeview::DebugSubsectionArray getSubsectionsArray() const {
+    return Subsections;
+  }
+
+  bool hasDebugSubsections() const;
+
+  Error commit();
+
+  Expected<codeview::DebugChecksumsSubsectionRef>
+  findChecksumsSubsection() const;
+
+private:
+  DbiModuleDescriptor Mod;
+
+  uint32_t Signature;
+
+  std::shared_ptr<msf::MappedBlockStream> Stream;
+
+  codeview::CVSymbolArray SymbolArray;
+
+  BinarySubstreamRef SymbolsSubstream;
+  BinarySubstreamRef C11LinesSubstream;
+  BinarySubstreamRef C13LinesSubstream;
+  BinarySubstreamRef GlobalRefsSubstream;
+
+  codeview::DebugSubsectionArray Subsections;
+};
+
+} // end namespace pdb
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_PDB_NATIVE_MODULEDEBUGSTREAM_H