/************************************************************************* * * $RCSfile: uno2cpp.cxx,v $ * * $Revision: 1.9 $ * * last change: $Author: vg $ $Date: 2003-10-06 13:16:06 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (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.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ #pragma warning( disable : 4237 ) #include #ifndef _RTL_ALLOC_H_ #include #endif #ifndef _UNO_DATA_H_ #include #endif #ifndef _BRIDGES_CPP_UNO_BRIDGE_HXX_ #include #endif #ifndef _BRIDGES_CPP_UNO_TYPE_MISC_HXX_ #include #endif #include "msci.hxx" using namespace ::rtl; using namespace ::com::sun::star::uno; namespace CPPU_CURRENT_NAMESPACE { //================================================================================================== inline static void callVirtualMethod( void * pThis, 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 && pThis, "### 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, pThis 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( cppu_unoInterfaceProxy * pThis, sal_Int32 nVtableCall, 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 (cppu_isSimpleType( pReturnTypeDescr )) { pCppReturn = pUnoReturn; // direct way for simple types } else { // complex return via ptr pCppReturn = *(void **)pCppStack = (cppu_relatesToInterface( 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 && cppu_isSimpleType( pParamTypeDescr )) { ::uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr, &pThis->pBridge->aUno2Cpp ); switch (pParamTypeDescr->eTypeClass) { case typelib_TypeClass_HYPER: case typelib_TypeClass_UNSIGNED_HYPER: case typelib_TypeClass_DOUBLE: pCppStack += sizeof(sal_Int32); // extra long } // 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 (cppu_relatesToInterface( pParamTypeDescr )) { ::uno_copyAndConvertData( *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), pUnoArgs[nPos], pParamTypeDescr, &pThis->pBridge->aUno2Cpp ); 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( pThis->pCppI, nVtableCall, pCppReturn, pReturnTypeDescr->eTypeClass, (sal_Int32 *)pCppStackStart, (pCppStack - pCppStackStart) / sizeof(sal_Int32) ); } __except (msci_filterCppException( GetExceptionInformation(), *ppUnoExc, &pThis->pBridge->aCpp2Uno )) { // *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->pBridge->aCpp2Uno ); } } else // pure out { ::uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, &pThis->pBridge->aCpp2Uno ); } // 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->pBridge->aCpp2Uno ); ::uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); } // return type if (pReturnTypeDescr) { TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); } } //================================================================================================== void SAL_CALL cppu_unoInterfaceProxy_dispatch( uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, void * pReturn, void * pArgs[], uno_Any ** ppException ) throw () { // is my surrogate cppu_unoInterfaceProxy * pThis = static_cast< cppu_unoInterfaceProxy * >( pUnoI ); typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr; switch (pMemberDescr->eTypeClass) { case typelib_TypeClass_INTERFACE_ATTRIBUTE: { // determine vtable call index sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); sal_Int32 nVtableCall = pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos]; OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); if (pReturn) { // dependent dispatch cpp_call( pThis, nVtableCall, ((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 cpp_call( pThis, nVtableCall +1, // get, then set method pReturnTypeRef, 1, &aParam, pReturn, pArgs, ppException ); typelib_typedescriptionreference_release( pReturnTypeRef ); } break; } case typelib_TypeClass_INTERFACE_METHOD: { // determine vtable call index sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); sal_Int32 nVtableCall = pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos]; OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); switch (nVtableCall) { // 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->pUnoEnv->getRegisteredInterface)( pThis->pBridge->pUnoEnv, (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, nVtableCall, ((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 ); } } } }