From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- .../source/cpp_uno/msvc_win32_intel/cpp2uno.cxx | 488 +++++++++++++++++ bridges/source/cpp_uno/msvc_win32_intel/except.cxx | 593 +++++++++++++++++++++ bridges/source/cpp_uno/msvc_win32_intel/msci.hxx | 51 ++ .../source/cpp_uno/msvc_win32_intel/uno2cpp.cxx | 454 ++++++++++++++++ 4 files changed, 1586 insertions(+) create mode 100644 bridges/source/cpp_uno/msvc_win32_intel/cpp2uno.cxx create mode 100644 bridges/source/cpp_uno/msvc_win32_intel/except.cxx create mode 100644 bridges/source/cpp_uno/msvc_win32_intel/msci.hxx create mode 100644 bridges/source/cpp_uno/msvc_win32_intel/uno2cpp.cxx (limited to 'bridges/source/cpp_uno/msvc_win32_intel') diff --git a/bridges/source/cpp_uno/msvc_win32_intel/cpp2uno.cxx b/bridges/source/cpp_uno/msvc_win32_intel/cpp2uno.cxx new file mode 100644 index 000000000..a5e0e5358 --- /dev/null +++ b/bridges/source/cpp_uno/msvc_win32_intel/cpp2uno.cxx @@ -0,0 +1,488 @@ +/* -*- 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 . + */ + + +#include + +#include +#include +#include +#include + +#include "bridge.hxx" +#include "cppinterfaceproxy.hxx" +#include "types.hxx" +#include "vtablefactory.hxx" + +#include "msci.hxx" + +using namespace ::com::sun::star::uno; + +namespace +{ + +static inline typelib_TypeClass cpp2uno_call( + bridges::cpp_uno::shared::CppInterfaceProxy * pThis, + const typelib_TypeDescription * pMemberTypeDescr, + typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return + sal_Int32 nParams, typelib_MethodParameter * pParams, + void ** pCallStack, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + // pCallStack: ret, this, [complex return ptr], params + char * pCppStack = (char *)(pCallStack +2); + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + if (pReturnTypeRef) + { + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + } + + void * pUnoReturn = nullptr; + void * pCppReturn = nullptr; // complex return ptr: if != 0 && != pUnoReturn, reconversion need + + if (pReturnTypeDescr) + { + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { + pUnoReturn = pRegisterReturn; // direct way for simple types + } + else // complex return via ptr (pCppReturn) + { + pCppReturn = *(void **)pCppStack; + pCppStack += sizeof(void *); + + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + } + } + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // parameters + void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams ); + void ** pCppArgs = pUnoArgs + nParams; + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = (sal_Int32 *)(pUnoArgs + (2 * nParams)); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams)); + + sal_Int32 nTempIndices = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = 0; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut + && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + // value + { + pCppArgs[nPos] = pCppStack; + pUnoArgs[nPos] = pCppStack; + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppStack += sizeof(sal_Int32); // extra long + break; + default: + break; + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + pCppArgs[nPos] = *(void **)pCppStack; + + if (! rParam.bIn) // is pure out + { + // uno out is unconstructed mem! + pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ); + pTempIndices[nTempIndices] = nPos; + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( + pParamTypeDescr )) + { + ::uno_copyAndConvertData( + pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ), + *(void **)pCppStack, pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + pUnoArgs[nPos] = *(void **)pCppStack; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + // ExceptionHolder + uno_Any aUnoExc; // Any will be constructed by callee + uno_Any * pUnoExc = &aUnoExc; + + // invoke uno dispatch call + (*pThis->getUnoI()->pDispatcher)( + pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc ); + + // in case an exception occurred... + if (pUnoExc) + { + // destruct temporary in/inout params + while (nTempIndices--) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + + if (pParams[nIndex].bIn) // is in/inout => was constructed + { + ::uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], 0 ); + } + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + if (pReturnTypeDescr) + { + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } + + CPPU_CURRENT_NAMESPACE::msci_raiseException( + &aUnoExc, pThis->getBridge()->getUno2Cpp() ); + // has to destruct the any + // is here for dummy + return typelib_TypeClass_VOID; + } + else // else no exception occurred... + { + // temporary params + while (nTempIndices--) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bOut) // inout/out + { + // convert and assign + ::uno_destructData( + pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + ::uno_copyAndConvertData( + pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + } + // destroy temp uno param + ::uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return + if (pCppReturn) // has complex return + { + if (pUnoReturn != pCppReturn) // needs reconversion + { + ::uno_copyAndConvertData( + pCppReturn, pUnoReturn, pReturnTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + // destroy temp uno return + ::uno_destructData( + pUnoReturn, pReturnTypeDescr, 0 ); + } + // complex return ptr is set to eax + *(void **)pRegisterReturn = pCppReturn; + } + if (pReturnTypeDescr) + { + typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass; + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + return eRet; + } + else + return typelib_TypeClass_VOID; + } +} + +static typelib_TypeClass __cdecl cpp_mediate( + void ** pCallStack, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + static_assert(sizeof(sal_Int32)==sizeof(void *), "### unexpected!"); + + // pCallStack: ret adr, this, [ret *], params + void * pThis = static_cast< char * >(pCallStack[1]) - nVtableOffset; + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI + = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + pThis); + + typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); + + SAL_INFO( "bridges.win32", "cpp_vtable_call: pCallStack=[" << + std::hex << pCallStack[0] << "," << pCallStack[1] << "," << pCallStack[2] << ",...]" << + ", pThis=" << pThis << ", pCppI=" << pCppI << + std::dec << ", nFunctionIndex=" << nFunctionIndex << ", nVtableOffset=" << nVtableOffset ); + SAL_INFO( "bridges.win32", "name=" << OUString::unacquired(&pTypeDescr->aBase.pTypeName) ); + + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + SAL_WARN( + "bridges", + "illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName) + << " vtable index " << nFunctionIndex << "/" + << pTypeDescr->nMapFunctionIndexToMemberIndex); + throw RuntimeException( + ("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName) + + " vtable index " + OUString::number(nFunctionIndex) + "/" + + OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)), + (XInterface *)pThis ); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + assert(nMemberPos < pTypeDescr->nAllMembers); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + + SAL_INFO( "bridges.win32", "Calling " << OUString::unacquired(&aMemberDescr.get()->pTypeName) ); + + typelib_TypeClass eRet = typelib_TypeClass_VOID; + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef, + 0, 0, // no params + pCallStack, pRegisterReturn ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + 0, // indicates void return + 1, &aParam, + pCallStack, pRegisterReturn ); + } + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // is METHOD + switch (nFunctionIndex) + { + // standard XInterface vtable calls + case 1: // acquire() + pCppI->acquireProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 2: // release() + pCppI->releaseProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() ); + if (pTD) + { + XInterface * pInterface = 0; + (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)( + pCppI->getBridge()->getCppEnv(), + (void **)&pInterface, pCppI->getOid().pData, + (typelib_InterfaceTypeDescription *)pTD ); + + if (pInterface) + { + ::uno_any_construct( + reinterpret_cast< uno_Any * >( pCallStack[2] ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *(void **)pRegisterReturn = pCallStack[2]; + eRet = typelib_TypeClass_ANY; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams, + pCallStack, pRegisterReturn ); + } + break; + } + default: + { + throw RuntimeException( "no member description found!", (XInterface *)pThis ); + } + } + + return eRet; +} + +/** + * is called on incoming vtable calls + * (called by asm snippets) + */ +static __declspec(naked) void __cdecl cpp_vtable_call() +{ +__asm + { + sub esp, 8 // space for immediate return type + push esp + push edx // vtable offset + push eax // function index + mov eax, esp + add eax, 20 + push eax // original stack ptr + + call cpp_mediate + add esp, 16 + + cmp eax, typelib_TypeClass_FLOAT + je Lfloat + cmp eax, typelib_TypeClass_DOUBLE + je Ldouble + cmp eax, typelib_TypeClass_HYPER + je Lhyper + cmp eax, typelib_TypeClass_UNSIGNED_HYPER + je Lhyper + // rest is eax + pop eax + add esp, 4 + ret +Lhyper: + pop eax + pop edx + ret +Lfloat: + fld dword ptr [esp] + add esp, 8 + ret +Ldouble: + fld qword ptr [esp] + add esp, 8 + ret + } +} + +int const codeSnippetSize = 16; + +unsigned char * codeSnippet( + unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset) +{ + unsigned char * p = code; + static_assert(sizeof (sal_Int32) == 4, "boo"); + // mov eax, functionIndex: + *p++ = 0xB8; + *reinterpret_cast< sal_Int32 * >(p) = functionIndex; + p += sizeof (sal_Int32); + // mov edx, vtableOffset: + *p++ = 0xBA; + *reinterpret_cast< sal_Int32 * >(p) = vtableOffset; + p += sizeof (sal_Int32); + // jmp rel32 cpp_vtable_call: + *p++ = 0xE9; + *reinterpret_cast< sal_Int32 * >(p) + = ((unsigned char *) cpp_vtable_call) - p - sizeof (sal_Int32); + p += sizeof (sal_Int32); + assert(p - code <= codeSnippetSize); + return code + codeSnippetSize; +} + +} + +struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; }; + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block) +{ + return static_cast< Slot * >(block) + 1; +} + +std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize( + sal_Int32 slotCount) +{ + return (slotCount + 1) * sizeof (Slot) + slotCount * codeSnippetSize; +} + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::initializeBlock( + void * block, sal_Int32 slotCount, sal_Int32, + typelib_InterfaceTypeDescription *) +{ + struct Rtti { + sal_Int32 n0, n1, n2; + type_info * rtti; + Rtti(): + n0(0), n1(0), n2(0), + rtti(CPPU_CURRENT_NAMESPACE::msci_getRTTI( + OUString("com.sun.star.uno.XInterface"))) + {} + }; + static Rtti rtti; + + Slot * slots = mapBlockToVtable(block); + slots[-1].fn = &rtti; + return slots + slotCount; +} + +unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions( + Slot ** slots, unsigned char * code, + typelib_InterfaceTypeDescription const *, sal_Int32 functionOffset, + sal_Int32 functionCount, sal_Int32 vtableOffset) +{ + (*slots) -= functionCount; + Slot * s = *slots; + for (sal_Int32 i = 0; i < functionCount; ++i) { + (s++)->fn = code; + code = codeSnippet(code, functionOffset++, vtableOffset); + } + return code; +} + +void bridges::cpp_uno::shared::VtableFactory::flushCode( + unsigned char const *, unsigned char const *) +{} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/msvc_win32_intel/except.cxx b/bridges/source/cpp_uno/msvc_win32_intel/except.cxx new file mode 100644 index 000000000..360abb038 --- /dev/null +++ b/bridges/source/cpp_uno/msvc_win32_intel/except.cxx @@ -0,0 +1,593 @@ +/* -*- 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 . + */ + + +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include +#include "msci.hxx" +#include + + +#pragma pack(push, 8) + +using namespace ::com::sun::star::uno; +using namespace ::std; +using namespace ::osl; + +namespace CPPU_CURRENT_NAMESPACE +{ + +static inline OUString toUNOname( OUString const & rRTTIname ) throw () +{ + OUStringBuffer aRet( 64 ); + OUString aStr( rRTTIname.copy( 4, rRTTIname.getLength()-4-2 ) ); // filter .?AUzzz@yyy@xxx@@ + sal_Int32 nPos = aStr.getLength(); + while (nPos > 0) + { + sal_Int32 n = aStr.lastIndexOf( '@', nPos ); + aRet.append( aStr.copy( n +1, nPos -n -1 ) ); + if (n >= 0) + { + aRet.append( '.' ); + } + nPos = n; + } + return aRet.makeStringAndClear(); +} + +static inline OUString toRTTIname( OUString const & rUNOname ) throw () +{ + OUStringBuffer aRet( 64 ); + aRet.appendAscii( ".?AV" ); // class ".?AV"; struct ".?AU" + sal_Int32 nPos = rUNOname.getLength(); + while (nPos > 0) + { + sal_Int32 n = rUNOname.lastIndexOf( '.', nPos ); + aRet.append( rUNOname.copy( n +1, nPos -n -1 ) ); + aRet.append( '@' ); + nPos = n; + } + aRet.append( '@' ); + return aRet.makeStringAndClear(); +} + + +//#### RTTI simulation ############################################################################# + + +typedef std::unordered_map< OUString, void * > t_string2PtrMap; + +class RTTInfos +{ + Mutex _aMutex; + t_string2PtrMap _allRTTI; + + static OUString toRawName( OUString const & rUNOname ) throw (); +public: + type_info * getRTTI( OUString const & rUNOname ) throw (); + + RTTInfos(); + ~RTTInfos(); +}; + +class __type_info +{ + friend type_info * RTTInfos::getRTTI( OUString const & ) throw (); + friend int msci_filterCppException( + LPEXCEPTION_POINTERS, uno_Any *, uno_Mapping * ); + +public: + virtual ~__type_info() throw (); + + inline __type_info( void * m_data, const char * m_d_name ) throw () + : _m_data( m_data ) + { ::strcpy( _m_d_name, m_d_name ); } // #100211# - checked + +private: + void * _m_data; + char _m_d_name[1]; +}; + +__type_info::~__type_info() throw () +{ +} + +type_info * RTTInfos::getRTTI( OUString const & rUNOname ) throw () +{ + // a must be + static_assert(sizeof(__type_info) == sizeof(type_info), "### type info structure size differ!"); + + MutexGuard aGuard( _aMutex ); + t_string2PtrMap::const_iterator const iFind( _allRTTI.find( rUNOname ) ); + + // check if type is already available + if (iFind == _allRTTI.end()) + { + // insert new type_info + OString aRawName( OUStringToOString( toRTTIname( rUNOname ), RTL_TEXTENCODING_ASCII_US ) ); + __type_info * pRTTI = new( std::malloc( sizeof(__type_info) + aRawName.getLength() ) ) + __type_info( NULL, aRawName.getStr() ); + + // put into map + pair< t_string2PtrMap::iterator, bool > insertion( + _allRTTI.insert( t_string2PtrMap::value_type( rUNOname, pRTTI ) ) ); + assert(insertion.second && "### rtti insertion failed?!"); + + return reinterpret_cast(pRTTI); + } + else + { + return reinterpret_cast(iFind->second); + } +} + +RTTInfos::RTTInfos() throw () +{ +} + +RTTInfos::~RTTInfos() throw () +{ + SAL_INFO("bridges", "> freeing generated RTTI infos... <"); + + MutexGuard aGuard( _aMutex ); + for ( auto& rEntry : _allRTTI ) + { + __type_info * pType = reinterpret_cast<__type_info*>(rEntry.second); + pType->~__type_info(); // obsolete, but good style... + std::free( pType ); + } +} + + +//#### Exception raising ########################################################################### + + +struct ObjectFunction +{ + char somecode[12]; + typelib_TypeDescription * _pTypeDescr; // type of object + + inline static void * operator new ( size_t nSize ); + inline static void operator delete ( void * pMem ); + + ObjectFunction( typelib_TypeDescription * pTypeDescr, void * fpFunc ) throw (); + ~ObjectFunction() throw (); +}; + +inline void * ObjectFunction::operator new ( size_t nSize ) +{ + void * pMem = std::malloc( nSize ); + if (pMem != 0) + { + DWORD old_protect; + BOOL success = + VirtualProtect(pMem, nSize, PAGE_EXECUTE_READWRITE, &old_protect); + (void) success; + assert(success && "VirtualProtect() failed!"); + } + return pMem; +} + +inline void ObjectFunction::operator delete ( void * pMem ) +{ + std::free( pMem ); +} + + +ObjectFunction::ObjectFunction( typelib_TypeDescription * pTypeDescr, void * fpFunc ) throw () + : _pTypeDescr( pTypeDescr ) +{ + ::typelib_typedescription_acquire( _pTypeDescr ); + + unsigned char * pCode = (unsigned char *)somecode; + // a must be! + assert((void *)this == (void *)pCode); + + // push ObjectFunction this + *pCode++ = 0x68; + *(void **)pCode = this; + pCode += sizeof(void *); + // jmp rel32 fpFunc + *pCode++ = 0xe9; + *(sal_Int32 *)pCode = ((unsigned char *)fpFunc) - pCode - sizeof(sal_Int32); +} + +ObjectFunction::~ObjectFunction() throw () +{ + ::typelib_typedescription_release( _pTypeDescr ); +} + +static void * __cdecl __copyConstruct( void * pExcThis, void * pSource, ObjectFunction * pThis ) + throw () +{ + ::uno_copyData( pExcThis, pSource, pThis->_pTypeDescr, cpp_acquire ); + return pExcThis; +} + +static void * __cdecl __destruct( void * pExcThis, ObjectFunction * pThis ) + throw () +{ + ::uno_destructData( pExcThis, pThis->_pTypeDescr, cpp_release ); + return pExcThis; +} + +// these are non virtual object methods; there is no this ptr on stack => ecx supplies _this_ ptr + +static __declspec(naked) void copyConstruct() throw () +{ + __asm + { + // ObjectFunction this already on stack + push [esp+8] // source exc object this + push ecx // exc object + call __copyConstruct + add esp, 12 // + ObjectFunction this + ret 4 + } +} + +static __declspec(naked) void destruct() throw () +{ + __asm + { + // ObjectFunction this already on stack + push ecx // exc object + call __destruct + add esp, 8 // + ObjectFunction this + ret + } +} + +struct ExceptionType +{ + sal_Int32 _n0; + type_info * _pTypeInfo; + sal_Int32 _n1, _n2, _n3, _n4; + ObjectFunction * _pCopyCtor; + sal_Int32 _n5; + + explicit ExceptionType( typelib_TypeDescription * pTypeDescr ) throw () + : _n0( 0 ) + , _n1( 0 ) + , _n2( -1 ) + , _n3( 0 ) + , _n4( pTypeDescr->nSize ) + , _pCopyCtor( new ObjectFunction( pTypeDescr, copyConstruct ) ) + , _n5( 0 ) + { + _pTypeInfo = msci_getRTTI( pTypeDescr->pTypeName ); + } + + ~ExceptionType() throw () + { + delete _pCopyCtor; + } + + // Copy assignment is forbidden and not implemented. + ExceptionType (const ExceptionType &) = delete; + ExceptionType & operator= (const ExceptionType &) = delete; +}; + +struct RaiseInfo +{ + sal_Int32 _n0; + ObjectFunction * _pDtor; + sal_Int32 _n2; + void * _types; + sal_Int32 _n3, _n4; + + explicit RaiseInfo( typelib_TypeDescription * pTypeDescr ) throw (); + ~RaiseInfo() throw (); +}; + +RaiseInfo::RaiseInfo( typelib_TypeDescription * pTypeDescr ) throw () + : _n0( 0 ) + , _pDtor( new ObjectFunction( pTypeDescr, destruct ) ) + , _n2( 0 ) + , _n3( 0 ) + , _n4( 0 ) +{ + // a must be + static_assert(sizeof(sal_Int32) == sizeof(ExceptionType *), "### pointer size differs from sal_Int32!"); + + typelib_CompoundTypeDescription * pCompTypeDescr; + + // info count + sal_Int32 nLen = 0; + for ( pCompTypeDescr = (typelib_CompoundTypeDescription*)pTypeDescr; + pCompTypeDescr; pCompTypeDescr = pCompTypeDescr->pBaseTypeDescription ) + { + ++nLen; + } + + // info count accompanied by type info ptrs: type, base type, base base type, ... + _types = std::malloc( sizeof(sal_Int32) + (sizeof(ExceptionType *) * nLen) ); + *(sal_Int32 *)_types = nLen; + + ExceptionType ** ppTypes = (ExceptionType **)((sal_Int32 *)_types + 1); + + sal_Int32 nPos = 0; + for ( pCompTypeDescr = (typelib_CompoundTypeDescription*)pTypeDescr; + pCompTypeDescr; pCompTypeDescr = pCompTypeDescr->pBaseTypeDescription ) + { + ppTypes[nPos++] = new ExceptionType( (typelib_TypeDescription *)pCompTypeDescr ); + } +} + +RaiseInfo::~RaiseInfo() throw () +{ + ExceptionType ** ppTypes = (ExceptionType **)((sal_Int32 *)_types + 1); + for ( sal_Int32 nTypes = *(sal_Int32 *)_types; nTypes--; ) + { + delete ppTypes[nTypes]; + } + std::free( _types ); + + delete _pDtor; +} + +class ExceptionInfos +{ + Mutex _aMutex; + t_string2PtrMap _allRaiseInfos; + +public: + static void * getRaiseInfo( typelib_TypeDescription * pTypeDescr ) throw (); + + ExceptionInfos() throw (); + ~ExceptionInfos() throw (); +}; + +ExceptionInfos::ExceptionInfos() throw () +{ +} + +ExceptionInfos::~ExceptionInfos() throw () +{ + SAL_INFO("bridges", "> freeing exception infos... <"); + + MutexGuard aGuard( _aMutex ); + for ( auto& rEntry : _allRaiseInfos ) + { + delete reinterpret_cast(rEntry.second); + } +} + +void * ExceptionInfos::getRaiseInfo( typelib_TypeDescription * pTypeDescr ) throw () +{ + static ExceptionInfos* s_pInfos = new ExceptionInfos(); + + assert( pTypeDescr && + (pTypeDescr->eTypeClass == typelib_TypeClass_STRUCT || + pTypeDescr->eTypeClass == typelib_TypeClass_EXCEPTION) ); + + void * pRaiseInfo; + + OUString const & rTypeName = OUString::unacquired( &pTypeDescr->pTypeName ); + MutexGuard aGuard( s_pInfos->_aMutex ); + t_string2PtrMap::const_iterator const iFind( + s_pInfos->_allRaiseInfos.find( rTypeName ) ); + if (iFind == s_pInfos->_allRaiseInfos.end()) + { + pRaiseInfo = new RaiseInfo( pTypeDescr ); + // put into map + pair< t_string2PtrMap::iterator, bool > insertion( + s_pInfos->_allRaiseInfos.insert( t_string2PtrMap::value_type( rTypeName, pRaiseInfo ) ) ); + assert(insertion.second && "### raise info insertion failed?!"); + } + else + { + // reuse existing info + pRaiseInfo = iFind->second; + } + + return pRaiseInfo; +} + + +//#### exported #################################################################################### + + +type_info * msci_getRTTI( OUString const & rUNOname ) +{ + static RTTInfos* s_pRTTIs = new RTTInfos(); + return s_pRTTIs->getRTTI( rUNOname ); +} + +void msci_raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ) +{ + // no ctor/dtor in here: this leads to dtors called twice upon RaiseException()! + // thus this obj file will be compiled without opt, so no inlining of + // ExceptionInfos::getRaiseInfo() + + // construct cpp exception object + typelib_TypeDescription * pTypeDescr = 0; + TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType ); + + void * pCppExc = alloca( pTypeDescr->nSize ); + ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp ); + + // a must be + static_assert(sizeof(sal_Int32) == sizeof(void *), + "### pointer size differs from sal_Int32!" ); + DWORD arFilterArgs[3]; + arFilterArgs[0] = MSVC_magic_number; + arFilterArgs[1] = (DWORD)pCppExc; + arFilterArgs[2] = (DWORD)ExceptionInfos::getRaiseInfo( pTypeDescr ); + + // destruct uno exception + ::uno_any_destruct( pUnoExc, 0 ); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + + // last point to release anything not affected by stack unwinding + RaiseException( MSVC_ExceptionCode, EXCEPTION_NONCONTINUABLE, 3, arFilterArgs ); +} + +namespace +{ +// This function does the same check as __CxxDetectRethrow from msvcrt (see its +// crt/src/vcruntime/mgdframe.cpp). But it does not alter the global state, i.e. it does not +// increment __ProcessingThrow, and so does not break following exception handling. We rely on the +// definition of EHExceptionRecord, PER_IS_MSVC_EH and PER_PTHROW, that are current as of msvcrt +// 2017 (14.14.26428). +bool DetectRethrow(void* ppExcept) +{ + struct EHExceptionRecord + { + DWORD ExceptionCode; + DWORD ExceptionFlags; + struct _EXCEPTION_RECORD* ExceptionRecord; + PVOID ExceptionAddress; + DWORD NumberParameters; + struct EHParameters + { + DWORD magicNumber; + PVOID pExceptionObject; + PVOID pThrowInfo; + } params; + }; + + constexpr auto PER_IS_MSVC_EH = [](EHExceptionRecord* p) { + constexpr DWORD EH_EXCEPTION_NUMBER = 0xE06D7363; // The NT Exception # that msvcrt uses ('msc' | 0xE0000000) + constexpr DWORD EH_MAGIC_NUMBER1 = 0x19930520; // latest magic # in thrown object + constexpr DWORD EH_MAGIC_NUMBER2 = 0x19930521; // latest magic # in func info for exception specs + constexpr DWORD EH_MAGIC_NUMBER3 = 0x19930522; // latest magic # + constexpr DWORD EH_EXCEPTION_PARAMETERS = 3; // Number of parameters in exception record for x86 + + return p->ExceptionCode == EH_EXCEPTION_NUMBER + && p->NumberParameters == EH_EXCEPTION_PARAMETERS + && (p->params.magicNumber == EH_MAGIC_NUMBER1 + || p->params.magicNumber == EH_MAGIC_NUMBER2 + || p->params.magicNumber == EH_MAGIC_NUMBER3); + }; + + constexpr auto PER_PTHROW = [](EHExceptionRecord* p) { + return p->params.pThrowInfo; + }; + + EHExceptionRecord* pExcept; + if (!ppExcept) + return false; + pExcept = *static_cast(ppExcept); + if (PER_IS_MSVC_EH(pExcept) && PER_PTHROW(pExcept) == nullptr) + { + return true; + } + return false; +} +} + +int msci_filterCppException( + EXCEPTION_POINTERS * pPointers, uno_Any * pUnoExc, uno_Mapping * pCpp2Uno ) +{ + if (pPointers == 0) + return EXCEPTION_CONTINUE_SEARCH; + EXCEPTION_RECORD * pRecord = pPointers->ExceptionRecord; + // handle only C++ exceptions: + if (pRecord == 0 || pRecord->ExceptionCode != MSVC_ExceptionCode) + return EXCEPTION_CONTINUE_SEARCH; + + const bool rethrow = DetectRethrow(&pRecord); + assert(pRecord == pPointers->ExceptionRecord); + + if (rethrow && pRecord == pPointers->ExceptionRecord) + { + pRecord = *reinterpret_cast< EXCEPTION_RECORD ** >(__current_exception()); + } + // rethrow: handle only C++ exceptions: + if (pRecord == 0 || pRecord->ExceptionCode != MSVC_ExceptionCode) + return EXCEPTION_CONTINUE_SEARCH; + + if (pRecord->NumberParameters == 3 && +// pRecord->ExceptionInformation[ 0 ] == MSVC_magic_number && + pRecord->ExceptionInformation[ 1 ] != 0 && + pRecord->ExceptionInformation[ 2 ] != 0) + { + void * types = reinterpret_cast< RaiseInfo * >( + pRecord->ExceptionInformation[ 2 ] )->_types; + if (types != 0 && *reinterpret_cast< DWORD * >( types ) > 0) // count + { + ExceptionType * pType = *reinterpret_cast< ExceptionType ** >( + reinterpret_cast< DWORD * >( types ) + 1 ); + if (pType != 0 && pType->_pTypeInfo != 0) + { + OUString aRTTIname( + OStringToOUString( + reinterpret_cast< __type_info * >( + pType->_pTypeInfo )->_m_d_name, + RTL_TEXTENCODING_ASCII_US ) ); + OUString aUNOname( toUNOname( aRTTIname ) ); + + typelib_TypeDescription * pExcTypeDescr = 0; + typelib_typedescription_getByName( + &pExcTypeDescr, aUNOname.pData ); + if (pExcTypeDescr == 0) + { + OUString sMsg = "[msci_uno bridge error] UNO type of " + "C++ exception unknown: \"" + + aUNOname + "\", RTTI-name=\"" + + aRTTIname + "\"!"; + RuntimeException exc( sMsg ); + uno_type_any_constructAndConvert( + pUnoExc, &exc, + cppu::UnoType::get().getTypeLibType(), pCpp2Uno ); + // msvcr80.dll cleans up, different from former msvcrs + // if (! rethrow): + // though this unknown exception leaks now, no user-defined + // exception is ever thrown through the binary C-UNO dispatcher + // call stack. + } + else + { + // construct uno exception any + uno_any_constructAndConvert( + pUnoExc, (void *) pRecord->ExceptionInformation[1], + pExcTypeDescr, pCpp2Uno ); + typelib_typedescription_release( pExcTypeDescr ); + } + + return EXCEPTION_EXECUTE_HANDLER; + } + } + } + // though this unknown exception leaks now, no user-defined exception + // is ever thrown through the binary C-UNO dispatcher call stack. + RuntimeException exc( "[msci_uno bridge error] unexpected " + "C++ exception occurred!" ); + uno_type_any_constructAndConvert( + pUnoExc, &exc, cppu::UnoType::get().getTypeLibType(), pCpp2Uno ); + return EXCEPTION_EXECUTE_HANDLER; +} + +} + +#pragma pack(pop) + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/msvc_win32_intel/msci.hxx b/bridges/source/cpp_uno/msvc_win32_intel/msci.hxx new file mode 100644 index 000000000..fd32db740 --- /dev/null +++ b/bridges/source/cpp_uno/msvc_win32_intel/msci.hxx @@ -0,0 +1,51 @@ +/* -*- 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 . + */ +#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_MSVC_WIN32_INTEL_MSCI_HXX +#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_MSVC_WIN32_INTEL_MSCI_HXX + +#if !defined WIN32_LEAN_AND_MEAN +# define WIN32_LEAN_AND_MEAN +#endif +#include + +#include "rtl/ustring.hxx" + + +class type_info; +typedef struct _uno_Any uno_Any; +typedef struct _uno_Mapping uno_Mapping; + +namespace CPPU_CURRENT_NAMESPACE +{ + +const DWORD MSVC_ExceptionCode = 0xe06d7363; +const long MSVC_magic_number = 0x19930520L; + +type_info * msci_getRTTI( OUString const & rUNOname ); + +int msci_filterCppException( + EXCEPTION_POINTERS * pPointers, uno_Any * pUnoExc, uno_Mapping * pCpp2Uno ); + +void msci_raiseException( + uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ); + +} + +#endif +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/msvc_win32_intel/uno2cpp.cxx b/bridges/source/cpp_uno/msvc_win32_intel/uno2cpp.cxx new file mode 100644 index 000000000..7c05112c4 --- /dev/null +++ b/bridges/source/cpp_uno/msvc_win32_intel/uno2cpp.cxx @@ -0,0 +1,454 @@ +/* -*- 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 . + */ + + +#include + +#include +#include + +#include "bridge.hxx" +#include "types.hxx" +#include "unointerfaceproxy.hxx" +#include "vtables.hxx" + +#include "msci.hxx" + +using namespace ::com::sun::star::uno; + +namespace +{ + +inline static void callVirtualMethod( + void * pAdjustedThisPtr, sal_Int32 nVtableIndex, + void * pRegisterReturn, typelib_TypeClass eReturnTypeClass, + sal_Int32 * pStackLongs, sal_Int32 nStackLongs ) +{ + // parameter list is mixed list of * and values + // reference parameters are pointers + + assert(pStackLongs && pAdjustedThisPtr); + static_assert( (sizeof(void *) == 4) && + (sizeof(sal_Int32) == 4), "### unexpected size of int!" ); + +__asm + { + mov eax, nStackLongs + test eax, eax + je Lcall + // copy values + mov ecx, eax + shl eax, 2 // sizeof(sal_Int32) == 4 + add eax, pStackLongs // params stack space +Lcopy: sub eax, 4 + push dword ptr [eax] + dec ecx + jne Lcopy +Lcall: + // call + mov ecx, pAdjustedThisPtr + push ecx // this ptr + mov edx, [ecx] // pvft + mov eax, nVtableIndex + shl eax, 2 // sizeof(void *) == 4 + add edx, eax + call [edx] // interface method call must be __cdecl!!! + + // register return + mov ecx, eReturnTypeClass + cmp ecx, typelib_TypeClass_VOID + je Lcleanup + mov ebx, pRegisterReturn +// int32 + cmp ecx, typelib_TypeClass_LONG + je Lint32 + cmp ecx, typelib_TypeClass_UNSIGNED_LONG + je Lint32 + cmp ecx, typelib_TypeClass_ENUM + je Lint32 +// int8 + cmp ecx, typelib_TypeClass_BOOLEAN + je Lint8 + cmp ecx, typelib_TypeClass_BYTE + je Lint8 +// int16 + cmp ecx, typelib_TypeClass_CHAR + je Lint16 + cmp ecx, typelib_TypeClass_SHORT + je Lint16 + cmp ecx, typelib_TypeClass_UNSIGNED_SHORT + je Lint16 +// float + cmp ecx, typelib_TypeClass_FLOAT + je Lfloat +// double + cmp ecx, typelib_TypeClass_DOUBLE + je Ldouble +// int64 + cmp ecx, typelib_TypeClass_HYPER + je Lint64 + cmp ecx, typelib_TypeClass_UNSIGNED_HYPER + je Lint64 + jmp Lcleanup // no simple type +Lint8: + mov byte ptr [ebx], al + jmp Lcleanup +Lint16: + mov word ptr [ebx], ax + jmp Lcleanup +Lfloat: + fstp dword ptr [ebx] + jmp Lcleanup +Ldouble: + fstp qword ptr [ebx] + jmp Lcleanup +Lint64: + mov dword ptr [ebx], eax + mov dword ptr [ebx+4], edx + jmp Lcleanup +Lint32: + mov dword ptr [ebx], eax + jmp Lcleanup +Lcleanup: + // cleanup stack (obsolete though because of function) + mov eax, nStackLongs + shl eax, 2 // sizeof(sal_Int32) == 4 + add eax, 4 // this ptr + add esp, eax + } +} + +static void cpp_call( + bridges::cpp_uno::shared::UnoInterfaceProxy * pThis, + bridges::cpp_uno::shared::VtableSlot aVtableSlot, + typelib_TypeDescriptionReference * pReturnTypeRef, + sal_Int32 nParams, typelib_MethodParameter * pParams, + void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) throw () +{ + // max space for: [complex ret ptr], values|ptr ... + char * pCppStack = (char *)alloca( sizeof(sal_Int32) + (nParams * sizeof(sal_Int64)) ); + char * pCppStackStart = pCppStack; + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + assert(pReturnTypeDescr); + + void * pCppReturn = nullptr; // if != 0 && != pUnoReturn, needs reconversion + + if (pReturnTypeDescr) + { + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { + pCppReturn = pUnoReturn; // direct way for simple types + } + else + { + // complex return via ptr + pCppReturn = *(void **)pCppStack + = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pUnoReturn); // direct way + pCppStack += sizeof(void *); + } + } + + // stack space + + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // args + void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = (sal_Int32 *)(pCppArgs + nParams); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); + + sal_Int32 nTempIndices = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = 0; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut + && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + { + ::uno_copyAndConvertData( + pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppStack += sizeof(sal_Int32); // extra long + break; + default: + break; + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + if (! rParam.bIn) // is pure out + { + // cpp out is constructed mem, uno out is not! + ::uno_constructData( + *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pParamTypeDescr ); + pTempIndices[nTempIndices] = nPos; // default constructed for cpp call + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( + pParamTypeDescr )) + { + ::uno_copyAndConvertData( + *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos]; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + __try + { + // pCppI is msci this pointer + callVirtualMethod( + reinterpret_cast< void ** >(pThis->getCppI()) + aVtableSlot.offset, + aVtableSlot.index, + pCppReturn, pReturnTypeDescr->eTypeClass, + (sal_Int32 *)pCppStackStart, + (pCppStack - pCppStackStart) / sizeof(sal_Int32) ); + } + __except (CPPU_CURRENT_NAMESPACE::msci_filterCppException( + GetExceptionInformation(), + *ppUnoExc, pThis->getBridge()->getCpp2Uno() )) + { + // *ppUnoExc was constructed by filter function + // temporary params + while (nTempIndices--) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + // destroy temp cpp param => cpp: every param was constructed + ::uno_destructData( + pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], + cpp_release ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + // return type + if (pReturnTypeDescr) + { + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } + // end here + return; + } + + // NO exception occurred + *ppUnoExc = 0; + + // reconvert temporary params + while (nTempIndices--) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = + ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bIn) + { + if (pParams[nIndex].bOut) // inout + { + ::uno_destructData( + pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value + ::uno_copyAndConvertData( + pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + } + } + else // pure out + { + ::uno_copyAndConvertData( + pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + } + // destroy temp cpp param => cpp: every param was constructed + ::uno_destructData( + pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return value + if (pCppReturn && pUnoReturn != pCppReturn) + { + ::uno_copyAndConvertData( + pUnoReturn, pCppReturn, pReturnTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + ::uno_destructData( + pCppReturn, pReturnTypeDescr, cpp_release ); + } + // return type + if (pReturnTypeDescr) + { + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } +} + +} + +namespace bridges::cpp_uno::shared { + +void unoInterfaceProxyDispatch( + uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, + void * pReturn, void * pArgs[], uno_Any ** ppException ) +{ + // is my surrogate + bridges::cpp_uno::shared::UnoInterfaceProxy * pThis + = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI); + + switch (pMemberDescr->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + VtableSlot aVtableSlot( + getVtableSlot( + reinterpret_cast< + typelib_InterfaceAttributeTypeDescription const * >( + pMemberDescr))); + if (pReturn) + { + // dependent dispatch + cpp_call( + pThis, aVtableSlot, + ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef, + 0, 0, // no params + pReturn, pArgs, ppException ); + } + else + { + // is SET + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + typelib_TypeDescriptionReference * pReturnTypeRef = 0; + OUString aVoidName("void"); + typelib_typedescriptionreference_new( + &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); + + // dependent dispatch + aVtableSlot.index += 1; // get, then set method + cpp_call( + pThis, aVtableSlot, + pReturnTypeRef, + 1, &aParam, + pReturn, pArgs, ppException ); + + typelib_typedescriptionreference_release( pReturnTypeRef ); + } + + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + VtableSlot aVtableSlot( + getVtableSlot( + reinterpret_cast< + typelib_InterfaceMethodTypeDescription const * >( + pMemberDescr))); + switch (aVtableSlot.index) + { + // standard calls + case 1: // acquire uno interface + (*pUnoI->acquire)( pUnoI ); + *ppException = 0; + break; + case 2: // release uno interface + (*pUnoI->release)( pUnoI ); + *ppException = 0; + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() ); + if (pTD) + { + uno_Interface * pInterface = 0; + (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)( + pThis->pBridge->getUnoEnv(), + (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD ); + + if (pInterface) + { + ::uno_any_construct( + reinterpret_cast< uno_Any * >( pReturn ), + &pInterface, pTD, 0 ); + (*pInterface->release)( pInterface ); + TYPELIB_DANGER_RELEASE( pTD ); + *ppException = 0; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: + // dependent dispatch + cpp_call( + pThis, aVtableSlot, + ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams, + ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams, + pReturn, pArgs, ppException ); + } + break; + } + default: + { + ::com::sun::star::uno::RuntimeException aExc( + "illegal member type description!", + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); + + Type const & rExcType = cppu::UnoType::get(); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); + } + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3