1 files changed, 66 insertions, 0 deletions
diff --git a/thirdparty/raw_pdb/src/PDB_IPIStream.h b/thirdparty/raw_pdb/src/PDB_IPIStream.h
new file mode 100644
index 000000000..0efdbe22a
--- /dev/null
+++ b/thirdparty/raw_pdb/src/PDB_IPIStream.h
@@ -0,0 +1,66 @@
+// Copyright 2011-2022, Molecular Matters GmbH <[email protected]>
+// See LICENSE.txt for licensing details (2-clause BSD License: https://opensource.org/licenses/BSD-2-Clause)
+
+#pragma once
+
+#include "Foundation/PDB_Macros.h"
+#include "Foundation/PDB_ArrayView.h"
+#include "PDB_ErrorCodes.h"
+#include "PDB_IPITypes.h"
+#include "PDB_CoalescedMSFStream.h"
+
+
+// PDB IPI stream
+// https://llvm.org/docs/PDB/TpiStream.html
+namespace PDB
+{
+	class RawFile;
+
+
+	class PDB_NO_DISCARD IPIStream
+	{
+	public:
+		IPIStream(void) PDB_NO_EXCEPT;
+		IPIStream(IPIStream&& other) PDB_NO_EXCEPT;
+		IPIStream& operator=(IPIStream&& other) PDB_NO_EXCEPT;
+
+		explicit IPIStream(const RawFile& file, const IPI::StreamHeader& header) PDB_NO_EXCEPT;
+		~IPIStream(void) PDB_NO_EXCEPT;
+
+		// Returns the index of the first type, which is not necessarily zero.
+		PDB_NO_DISCARD inline uint32_t GetFirstTypeIndex(void) const PDB_NO_EXCEPT
+		{
+			return m_header.typeIndexBegin;
+		}
+
+		// Returns the index of the last type.
+		PDB_NO_DISCARD inline uint32_t GetLastTypeIndex(void) const PDB_NO_EXCEPT
+		{
+			return m_header.typeIndexEnd;
+		}
+
+		// Returns a view of all type records.
+		// Records identified by a type index can be accessed via "allRecords[typeIndex - firstTypeIndex]".
+		PDB_NO_DISCARD inline ArrayView<const CodeView::IPI::Record*> GetTypeRecords(void) const PDB_NO_EXCEPT
+		{
+			return ArrayView<const CodeView::IPI::Record*>(m_records, m_recordCount);
+		}
+
+	private:
+		IPI::StreamHeader m_header;
+		CoalescedMSFStream m_stream;
+		const CodeView::IPI::Record** m_records;
+		size_t m_recordCount;
+
+		PDB_DISABLE_COPY(IPIStream);
+	};
+
+
+	// ------------------------------------------------------------------------------------------------
+	// General
+	// ------------------------------------------------------------------------------------------------
+
+	PDB_NO_DISCARD ErrorCode HasValidIPIStream(const RawFile& file) PDB_NO_EXCEPT;
+
+	PDB_NO_DISCARD IPIStream CreateIPIStream(const RawFile& file) PDB_NO_EXCEPT;
+}