117 lines
3.4 KiB
C++
117 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <sal/config.h>
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#include <rtl/ustrbuf.hxx>
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#include <osl/mutex.hxx>
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#include <mutex>
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#include <unordered_map>
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typedef struct _uno_Any uno_Any;
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typedef struct _uno_Mapping uno_Mapping;
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int msvc_filterCppException(EXCEPTION_POINTERS*, uno_Any*, uno_Mapping*);
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[[noreturn]] void msvc_raiseException(uno_Any*, uno_Mapping*);
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constexpr DWORD MSVC_EH_MAGIC_PARAM = 0x19930520;
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// The NT Exception code that msvcrt uses ('msc' | 0xE0000000)
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constexpr DWORD MSVC_EH_MAGIC_CODE = 0xE06D7363;
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#if defined(_M_IX86)
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#define MSVC_EH_PARAMETERS 3 // Number of parameters in exception record for x86
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#elif defined(_M_AMD64) || defined(_M_ARM64)
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#define MSVC_EH_PARAMETERS 4 // Number of parameters in exception record for AMD64
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#else
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#error "Unsupported machine type"
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#endif
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class type_info;
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struct RaiseInfo;
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typedef std::unordered_map<OUString, void*> t_string2PtrMap;
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typedef struct _typelib_TypeDescription typelib_TypeDescription;
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// fixed class, because sizeof(ExceptionTypeInfo) must be sizeof(type_info)
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// this is tested by a static_assert, so can't break.
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class ExceptionTypeInfo final
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{
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friend int msvc_filterCppException(EXCEPTION_POINTERS*, uno_Any*, uno_Mapping*);
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void* m_data;
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char m_d_name[1];
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public:
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explicit ExceptionTypeInfo(void* data, const char* d_name) noexcept
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: m_data(data)
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{
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::strcpy(m_d_name, d_name); // #100211# - checked
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}
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virtual ~ExceptionTypeInfo() noexcept;
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};
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class ExceptionTypeInfoWrapper final
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{
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int type_info_size;
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ExceptionTypeInfo info;
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public:
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explicit ExceptionTypeInfoWrapper(void* m_data, const char* m_d_name) noexcept
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: info(m_data, m_d_name)
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{
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type_info_size = sizeof(ExceptionTypeInfo) + strlen(m_d_name);
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}
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type_info* get_type_info() { return reinterpret_cast<type_info*>(&info); }
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int get_type_info_size() { return type_info_size; }
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};
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class RTTInfos final
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{
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osl::Mutex m_aMutex;
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t_string2PtrMap m_allRTTI;
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RTTInfos() noexcept;
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ExceptionTypeInfoWrapper* getInfo(OUString const& rUNOname) noexcept;
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public:
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~RTTInfos();
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static type_info* get(OUString const& rUNOname, int* len = nullptr) noexcept;
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};
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class ExceptionInfos final
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{
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std::mutex m_aMutex;
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t_string2PtrMap m_allRaiseInfos;
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public:
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static RaiseInfo* getRaiseInfo(typelib_TypeDescription* pTD) noexcept;
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static DWORD allocationGranularity;
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ExceptionInfos() noexcept;
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~ExceptionInfos() noexcept;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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