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32 lines
1 KiB
C++
32 lines
1 KiB
C++
/*
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* Copyright (c) 2025, Tomasz Strejczek
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteString.h>
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#include <AK/StringView.h>
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#include <Windows.h>
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#include <dbghelp.h>
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#pragma comment(lib, "dbghelp.lib") // /DELAYLOAD:dbghelp.dll is configured in CMakeLists.txt
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#include <AK/Demangle.h>
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namespace AK {
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ByteString demangle(StringView name)
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{
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// The buffer size is arbitrary but should be large enough for most cases.
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// Unfortunately, there is no way to know the exact size needed beforehand.
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// Also calling UnDecorateSymbolName with a too small buffer will not return an error, it will just truncate the result.
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char buffer[4096] = {};
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// UNDNAME_COMPLETE asks for the full decoration (equivalent to the Itanium demangle method in libgcc/libcxxabi)
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auto chars_written = UnDecorateSymbolName(name.to_byte_string().characters(), buffer, sizeof(buffer), UNDNAME_COMPLETE);
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return ByteString(chars_written > 0 ? StringView { buffer, static_cast<size_t>(chars_written) } : name);
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}
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} // namespace AK
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