1 files changed, 116 insertions, 0 deletions
diff --git a/bridges/inc/msvc/except.hxx b/bridges/inc/msvc/except.hxx
new file mode 100644
index 000000000..798fc44f1
--- /dev/null
+++ b/bridges/inc/msvc/except.hxx
@@ -0,0 +1,116 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include <sal/config.h>
+#include <rtl/ustrbuf.hxx>
+#include <osl/mutex.hxx>
+
+#include <unordered_map>
+
+typedef struct _uno_Any uno_Any;
+typedef struct _uno_Mapping uno_Mapping;
+
+int msvc_filterCppException(EXCEPTION_POINTERS*, uno_Any*, uno_Mapping*);
+void msvc_raiseException(uno_Any*, uno_Mapping*);
+
+constexpr DWORD MSVC_EH_MAGIC_PARAM = 0x19930520;
+// The NT Exception code that msvcrt uses ('msc' | 0xE0000000)
+constexpr DWORD MSVC_EH_MAGIC_CODE = 0xE06D7363;
+
+#if defined(_M_IX86)
+#define MSVC_EH_PARAMETERS 3 // Number of parameters in exception record for x86
+#elif defined(_M_AMD64) || defined(_M_ARM64)
+#define MSVC_EH_PARAMETERS 4 // Number of parameters in exception record for AMD64
+#else
+#error "Unsupported machine type"
+#endif
+
+class type_info;
+struct RaiseInfo;
+typedef std::unordered_map<OUString, void*> t_string2PtrMap;
+typedef struct _typelib_TypeDescription typelib_TypeDescription;
+
+// fixed class, because sizeof(ExceptionTypeInfo) must be sizeof(type_info)
+// this is tested by a static_assert, so can't break.
+class ExceptionTypeInfo final
+{
+    friend int msvc_filterCppException(EXCEPTION_POINTERS*, uno_Any*, uno_Mapping*);
+
+    void* m_data;
+    char m_d_name[1];
+
+public:
+    explicit ExceptionTypeInfo(void* data, const char* d_name) noexcept
+        : m_data(data)
+    {
+        ::strcpy(m_d_name, d_name); // #100211# - checked
+    }
+    virtual ~ExceptionTypeInfo() noexcept;
+};
+
+class ExceptionTypeInfoWrapper final
+{
+    int type_info_size;
+    ExceptionTypeInfo info;
+
+public:
+    explicit ExceptionTypeInfoWrapper(void* m_data, const char* m_d_name) noexcept
+        : info(m_data, m_d_name)
+    {
+        type_info_size = sizeof(ExceptionTypeInfo) + strlen(m_d_name);
+    }
+
+    type_info* get_type_info() { return reinterpret_cast<type_info*>(&info); }
+    int get_type_info_size() { return type_info_size; }
+};
+
+class RTTInfos final
+{
+    osl::Mutex m_aMutex;
+    t_string2PtrMap m_allRTTI;
+
+    RTTInfos() noexcept;
+    ExceptionTypeInfoWrapper* getInfo(OUString const& rUNOname) noexcept;
+
+public:
+    ~RTTInfos();
+
+    static type_info* get(OUString const& rUNOname, int* len = nullptr) noexcept;
+};
+
+class ExceptionInfos final
+{
+    osl::Mutex m_aMutex;
+    t_string2PtrMap m_allRaiseInfos;
+
+public:
+    static RaiseInfo* getRaiseInfo(typelib_TypeDescription* pTD) noexcept;
+
+    static DWORD allocationGranularity;
+
+    ExceptionInfos() noexcept;
+    ~ExceptionInfos() noexcept;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */