Initial commit

packages/leann-backend-diskann/third_party/DiskANN/include/ann_exception.h

@@ -0,0 +1,35 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT license.
+
+#pragma once
+#include <string>
+#include <stdexcept>
+#include <system_error>
+#include "windows_customizations.h"
+#include <cstdint>
+
+#ifndef _WINDOWS
+#define __FUNCSIG__ __PRETTY_FUNCTION__
+#endif
+
+namespace diskann
+{
+
+class ANNException : public std::runtime_error
+{
+  public:
+    DISKANN_DLLEXPORT ANNException(const std::string &message, int errorCode);
+    DISKANN_DLLEXPORT ANNException(const std::string &message, int errorCode, const std::string &funcSig,
+                                   const std::string &fileName, uint32_t lineNum);
+
+  private:
+    int _errorCode;
+};
+
+class FileException : public ANNException
+{
+  public:
+    DISKANN_DLLEXPORT FileException(const std::string &filename, std::system_error &e, const std::string &funcSig,
+                                    const std::string &fileName, uint32_t lineNum);
+};
+} // namespace diskann