/************************************************************** * * 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 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_bridges.hxx" #include #include #include #include "bridges/cpp_uno/shared/bridge.hxx" #include "bridges/cpp_uno/shared/types.hxx" #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx" #include "bridges/cpp_uno/shared/vtables.hxx" #include "msci.hxx" using namespace ::rtl; 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 OSL_ENSURE( pStackLongs && pAdjustedThisPtr, "### null ptr!" ); OSL_ENSURE( (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 ); OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" ); void * pCppReturn = 0; // 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 OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" ); // args void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); // indizes of values this have to be converted (interface conversion cpp<=>uno) sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams); // type descriptions for reconversions typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); sal_Int32 nTempIndizes = 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 ); pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call // will be released at reconversion ppTempParamTypeDescr[nTempIndizes++] = 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() ); pTempIndizes[nTempIndizes] = nPos; // has to be reconverted // will be released at reconversion ppTempParamTypeDescr[nTempIndizes++] = 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 (nTempIndizes--) { sal_Int32 nIndex = pTempIndizes[nTempIndizes]; // destroy temp cpp param => cpp: every param was constructed ::uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release ); TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); } // return type if (pReturnTypeDescr) { TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); } // end here return; } // NO exception occured *ppUnoExc = 0; // reconvert temporary params while (nTempIndizes--) { sal_Int32 nIndex = pTempIndizes[nTempIndizes]; typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; 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 { namespace cpp_uno { namespace 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( RTL_CONSTASCII_USTRINGPARAM("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( OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ), ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); Type const & rExcType = ::getCppuType( &aExc ); // binary identical null reference ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); } } } } } }