LLVM 20.0.0git
DIAUtils.h
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1//===- DIAUtils.h - Utility functions for working with DIA ------*- 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_PDB_DIA_DIAUTILS_H
10#define LLVM_DEBUGINFO_PDB_DIA_DIAUTILS_H
11
12#include "llvm/ADT/ArrayRef.h"
14
15template <typename Obj>
16std::string invokeBstrMethod(Obj &Object,
17 HRESULT (__stdcall Obj::*Func)(BSTR *)) {
18 CComBSTR Str16;
19 HRESULT Result = (Object.*Func)(&Str16);
20 if (S_OK != Result)
21 return std::string();
22
23 std::string Str8;
24 llvm::ArrayRef<char> StrBytes(reinterpret_cast<char *>(Str16.m_str),
25 Str16.ByteLength());
26 llvm::convertUTF16ToUTF8String(StrBytes, Str8);
27 return Str8;
28}
29
30#endif // LLVM_DEBUGINFO_PDB_DIA_DIAUTILS_H
std::string invokeBstrMethod(Obj &Object, HRESULT(__stdcall Obj::*Func)(BSTR *))
Definition: DIAUtils.h:16
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
bool convertUTF16ToUTF8String(ArrayRef< char > SrcBytes, std::string &Out)
Converts a stream of raw bytes assumed to be UTF16 into a UTF8 std::string.