bridges/source/cpp_uno/gcc3_ios/uno2cpp.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifdef __arm64
  21
  22 #include <sal/config.h>
  23
  24 #include <exception>
  25 #include <typeinfo>
  26
  27 #include <com/sun/star/uno/Exception.hpp>
  28 #include <com/sun/star/uno/RuntimeException.hpp>
  29 #include <o3tl/runtimetooustring.hxx>
  30
  31 #include "bridge.hxx"
  32 #include "types.hxx"
  33 #include "unointerfaceproxy.hxx"
  34 #include "vtables.hxx"
  35
  36 #include "share.hxx"
  37
  38 using namespace ::com::sun::star::uno;
  39
  40 namespace arm
  41 {
  42     bool is_hfa_struct(const typelib_TypeDescription * type)
  43     {
  44         const typelib_CompoundTypeDescription * p
  45             = reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
  46         if (p->nMembers >= 4)
  47             return false;
  48         for (sal_Int32 i = 0; i < p->nMembers; ++i)
  49         {
  50             if ((p->ppTypeRefs[i]->eTypeClass != typelib_TypeClass_FLOAT &&
  51                  p->ppTypeRefs[i]->eTypeClass != typelib_TypeClass_DOUBLE) ||
  52                 p->ppTypeRefs[i]->eTypeClass != p->ppTypeRefs[0]->eTypeClass)
  53                 return false;
  54         }
  55         return true;
  56     }
  57
  58     bool return_in_x8( typelib_TypeDescriptionReference *pTypeRef )
  59     {
  60         if (bridges::cpp_uno::shared::isSimpleType(pTypeRef))
  61             return false;
  62         else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
  63         {
  64             typelib_TypeDescription * pTypeDescr = 0;
  65             TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
  66
  67             // A Composite Type not larger than 16 bytes is returned in x0, x1
  68             bool bRet = pTypeDescr->nSize > 16;
  69
  70             if (is_hfa_struct(pTypeDescr))
  71                 bRet = false;
  72
  73             TYPELIB_DANGER_RELEASE( pTypeDescr );
  74             return bRet;
  75         }
  76         return true;
  77     }
  78 }
  79
  80 void MapReturn(sal_uInt64 *pGPR, double *pFPR, typelib_TypeDescriptionReference *pReturnType, sal_uInt64 *pRegisterReturn)
  81 {
  82     switch( pReturnType->eTypeClass )
  83     {
  84     case typelib_TypeClass_HYPER:
  85     case typelib_TypeClass_UNSIGNED_HYPER:
  86         pRegisterReturn[1] = pGPR[1];
  87         [[fallthrough]];
  88     case typelib_TypeClass_LONG:
  89     case typelib_TypeClass_UNSIGNED_LONG:
  90     case typelib_TypeClass_ENUM:
  91     case typelib_TypeClass_CHAR:
  92     case typelib_TypeClass_SHORT:
  93     case typelib_TypeClass_UNSIGNED_SHORT:
  94     case typelib_TypeClass_BOOLEAN:
  95     case typelib_TypeClass_BYTE:
  96         pRegisterReturn[0] = pGPR[0];
  97         break;
  98     case typelib_TypeClass_FLOAT:
  99         *(float*)pRegisterReturn = *(float*)&pFPR[0];
 100         break;
 101     case typelib_TypeClass_DOUBLE:
 102         *(double*)pRegisterReturn = pFPR[0];
 103         break;
 104     case typelib_TypeClass_STRUCT:
 105     case typelib_TypeClass_EXCEPTION:
 106         if (!arm::return_in_x8(pReturnType))
 107         {
 108             pRegisterReturn[0] = pGPR[0];
 109             pRegisterReturn[1] = pGPR[1];
 110         }
 111         break;
 112     default:
 113         break;
 114     }
 115 }
 116
 117 namespace
 118 {
 119 void callVirtualMethod(
 120     void *pThis,
 121     sal_Int32 nVtableIndex,
 122     void *pRegisterReturn,
 123     typelib_TypeDescriptionReference *pReturnType,
 124     sal_uInt64 *pStack,
 125     int nStack,
 126     sal_uInt64 *pGPR,
 127     double *pFPR)
 128 {
 129     // never called
 130     if (! pThis)
 131         CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something
 132
 133     if ( nStack )
 134     {
 135         // 16-bytes aligned
 136         sal_uInt32 nStackBytes = ( ( nStack + 3 ) >> 2 ) * 16;
 137         sal_uInt32 *stack = (sal_uInt32 *) alloca( nStackBytes );
 138         memcpy( stack, pStack, nStackBytes );
 139     }
 140
 141     sal_uInt64 pMethod = *((sal_uInt64*)pThis);
 142     pMethod += 8 * nVtableIndex;
 143     pMethod = *((sal_uInt64 *)pMethod);
 144
 145     __asm__ __volatile__
 146     (
 147      // Assembly string
 148      "  ldp x0, x1, %[pgpr_0]\n"
 149      "  ldp x2, x3, %[pgpr_2]\n"
 150      "  ldp x4, x5, %[pgpr_4]\n"
 151      "  ldp x6, x7, %[pgpr_6]\n"
 152      "  ldr x8, %[pregisterreturn]\n"
 153      "  ldp d0, d1, %[pfpr_0]\n"
 154      "  ldp d2, d3, %[pfpr_2]\n"
 155      "  ldp d4, d5, %[pfpr_4]\n"
 156      "  ldp d6, d7, %[pfpr_6]\n"
 157      "  blr %[pmethod]\n"
 158      "  stp x0, x1, %[pgpr_0]\n"
 159      "  str d0, %[pfpr_0]\n"
 160      // Input operands
 161      :: [pgpr_0]"m" (pGPR[0]),
 162         [pgpr_2]"m" (pGPR[2]),
 163         [pgpr_4]"m" (pGPR[4]),
 164         [pgpr_6]"m" (pGPR[6]),
 165         [pregisterreturn]"m" (pRegisterReturn),
 166         [pfpr_0]"m" (pFPR[0]),
 167         [pfpr_2]"m" (pFPR[2]),
 168         [pfpr_4]"m" (pFPR[4]),
 169         [pfpr_6]"m" (pFPR[6]),
 170         [pmethod]"r" (pMethod)
 171      // Clobbers
 172      : "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17",
 173        "d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7"
 174      );
 175
 176     MapReturn(pGPR, pFPR, pReturnType, (sal_uInt64 *) pRegisterReturn);
 177 }
 178 }
 179
 180 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \
 181         if ( nr < arm::MAX_GPR_REGS ) \
 182                 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
 183         else \
 184                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
 185
 186 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \
 187         if ( nr < arm::MAX_GPR_REGS ) \
 188                 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
 189         else \
 190                 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
 191
 192 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \
 193         if ( nr < arm::MAX_GPR_REGS ) \
 194                 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
 195         else \
 196                 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
 197
 198 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \
 199         if ( nr < arm::MAX_GPR_REGS ) \
 200                 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
 201         else \
 202                 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
 203
 204 #define INSERT_DOUBLE( pSV, nr, pFPR, pDS ) \
 205         if ( nr < arm::MAX_FPR_REGS ) \
 206                 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
 207         else \
 208                 *pDS++ = *reinterpret_cast<double *>( pSV );
 209
 210 #define INSERT_FLOAT( pSV, nr, pFPR, pDS ) \
 211         INSERT_DOUBLE( pSV, nr, pGPR, pDS )
 212
 213 namespace {
 214 static void cpp_call(
 215     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
 216     bridges::cpp_uno::shared::VtableSlot aVtableSlot,
 217     typelib_TypeDescriptionReference * pReturnTypeRef,
 218     sal_Int32 nParams, typelib_MethodParameter * pParams,
 219     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
 220 {
 221     // max space for: values|ptr ...
 222     sal_uInt64 * pStack = (sal_uInt64 *)alloca( (nParams+2) * sizeof(sal_Int64) );
 223     sal_uInt64 * pStackStart = pStack;
 224
 225     sal_uInt64 pGPR[arm::MAX_GPR_REGS];
 226     int nGPR = 0;
 227
 228     // storage and counter for SIMD/FP registers
 229     double pFPR[arm::MAX_FPR_REGS];
 230     int nFPR = 0;
 231
 232     // return
 233     typelib_TypeDescription * pReturnTypeDescr = 0;
 234     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
 235     assert( pReturnTypeDescr);
 236
 237     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
 238
 239     if (pReturnTypeDescr)
 240     {
 241         if (!arm::return_in_x8( pReturnTypeRef ) )
 242             pCppReturn = pUnoReturn; // direct way for simple types
 243         else
 244         {
 245             // complex return via x8
 246             pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
 247                     ? alloca( pReturnTypeDescr->nSize )
 248                     : pUnoReturn); // direct way
 249         }
 250     }
 251     // push this
 252     void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
 253         + aVtableSlot.offset;
 254     INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
 255
 256     // stack space
 257     // args
 258     void ** pCppArgs  = (void **)alloca( sizeof(void *) * nParams );
 259
 260     // indices of values this have to be converted (interface conversion cpp<=>uno)
 261     int * pTempIndices = (int *)alloca( sizeof(int) * nParams );
 262
 263     // type descriptions for reconversions
 264     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)alloca( sizeof(void *) * nParams );
 265
 266     sal_Int32 nTempIndices = 0;
 267
 268     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 269     {
 270         const typelib_MethodParameter & rParam = pParams[nPos];
 271         typelib_TypeDescription * pParamTypeDescr = 0;
 272         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
 273
 274         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
 275         {
 276             uno_copyAndConvertData( pCppArgs[nPos] = alloca(8), pUnoArgs[nPos],
 277                 pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
 278
 279             switch (pParamTypeDescr->eTypeClass)
 280             {
 281             case typelib_TypeClass_HYPER:
 282             case typelib_TypeClass_UNSIGNED_HYPER:
 283                 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
 284                 break;
 285             case typelib_TypeClass_LONG:
 286             case typelib_TypeClass_UNSIGNED_LONG:
 287             case typelib_TypeClass_ENUM:
 288                 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
 289                 break;
 290             case typelib_TypeClass_SHORT:
 291             case typelib_TypeClass_CHAR:
 292             case typelib_TypeClass_UNSIGNED_SHORT:
 293                 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
 294                 break;
 295             case typelib_TypeClass_BOOLEAN:
 296             case typelib_TypeClass_BYTE:
 297                 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
 298                 break;
 299             case typelib_TypeClass_FLOAT:
 300                 INSERT_FLOAT( pCppArgs[nPos], nFPR, pFPR, pStack );
 301                 break;
 302             case typelib_TypeClass_DOUBLE:
 303                 INSERT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
 304                 break;
 305             default:
 306                 break;
 307             }
 308             // no longer needed
 309             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 310         }
 311         else // ptr to complex value | ref
 312         {
 313             if (! rParam.bIn) // is pure out
 314             {
 315                 // cpp out is constructed mem, uno out is not!
 316                 uno_constructData(
 317                     pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 318                     pParamTypeDescr );
 319                 pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
 320                 // will be released at reconversion
 321                 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
 322             }
 323             // is in/inout
 324             else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
 325             {
 326                 uno_copyAndConvertData(
 327                     pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 328                     pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
 329
 330                 pTempIndices[nTempIndices] = nPos; // has to be reconverted
 331                 // will be released at reconversion
 332                 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
 333             }
 334             else // direct way
 335             {
 336                 pCppArgs[nPos] = pUnoArgs[nPos];
 337                 // no longer needed
 338                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 339             }
 340             INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
 341         }
 342     }
 343
 344     assert( nGPR <= arm::MAX_GPR_REGS );
 345     assert( nFPR <= arm::MAX_FPR_REGS );
 346
 347     try
 348     {
 349         try {
 350             callVirtualMethod(
 351                 pAdjustedThisPtr, aVtableSlot.index,
 352                 pCppReturn, pReturnTypeRef,
 353                 pStackStart,
 354                 (pStack - pStackStart),
 355                 pGPR,
 356                 pFPR);
 357         } catch (css::uno::Exception &) {
 358             throw;
 359         } catch (std::exception & e) {
 360             throw css::uno::RuntimeException(
 361                 "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
 362                 + o3tl::runtimeToOUString(e.what()));
 363         } catch (...) {
 364             throw css::uno::RuntimeException("C++ code threw unknown exception");
 365         }
 366
 367         // NO exception occurred...
 368         *ppUnoExc = 0;
 369
 370         // reconvert temporary params
 371         for ( ; nTempIndices--; )
 372         {
 373             sal_Int32 nIndex = pTempIndices[nTempIndices];
 374             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
 375
 376             if (pParams[nIndex].bIn)
 377             {
 378                 if (pParams[nIndex].bOut) // inout
 379                 {
 380                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
 381                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 382                                             pThis->getBridge()->getCpp2Uno() );
 383                 }
 384             }
 385             else // pure out
 386             {
 387                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 388                                         pThis->getBridge()->getCpp2Uno() );
 389             }
 390             // destroy temp cpp param => cpp: every param was constructed
 391             uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
 392
 393             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 394         }
 395         // return value
 396         if (pCppReturn && pUnoReturn != pCppReturn)
 397         {
 398             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
 399                                     pThis->getBridge()->getCpp2Uno() );
 400             uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
 401         }
 402     }
 403     catch (...)
 404     {
 405         // fill uno exception
 406         CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
 407
 408         // temporary params
 409         for ( ; nTempIndices--; )
 410         {
 411             sal_Int32 nIndex = pTempIndices[nTempIndices];
 412             // destroy temp cpp param => cpp: every param was constructed
 413             uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
 414             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
 415         }
 416
 417         // return type
 418         if (pReturnTypeDescr)
 419             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
 420     }
 421 }
 422 }
 423
 424 namespace bridges::cpp_uno::shared {
 425
 426 void unoInterfaceProxyDispatch(
 427     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
 428     void * pReturn, void * pArgs[], uno_Any ** ppException )
 429 {
 430     // is my surrogate
 431     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
 432           = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
 433 #if OSL_DEBUG_LEVEL > 0
 434     typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
 435 #endif
 436
 437     switch (pMemberDescr->eTypeClass)
 438     {
 439     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
 440     {
 441 #if OSL_DEBUG_LEVEL > 0
 442         // determine vtable call index
 443         sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
 444         assert( nMemberPos < pTypeDescr->nAllMembers && "### member pos out of range!");
 445 #endif
 446
 447         VtableSlot aVtableSlot(
 448             getVtableSlot(
 449             reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>
 450               (pMemberDescr)));
 451
 452         if (pReturn)
 453         {
 454             // dependent dispatch
 455             cpp_call(
 456                 pThis, aVtableSlot,
 457                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
 458                 0, 0, // no params
 459                 pReturn, pArgs, ppException );
 460         }
 461         else
 462         {
 463             // is SET
 464             typelib_MethodParameter aParam;
 465             aParam.pTypeRef =
 466                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
 467             aParam.bIn      = sal_True;
 468             aParam.bOut     = sal_False;
 469
 470             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
 471             OUString aVoidName("void");
 472             typelib_typedescriptionreference_new(
 473                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
 474
 475             // dependent dispatch
 476             aVtableSlot.index += 1;
 477             cpp_call(
 478                 pThis, aVtableSlot, // get, then set method
 479                 pReturnTypeRef,
 480                 1, &aParam,
 481                 pReturn, pArgs, ppException );
 482
 483             typelib_typedescriptionreference_release( pReturnTypeRef );
 484         }
 485
 486         break;
 487     }
 488     case typelib_TypeClass_INTERFACE_METHOD:
 489     {
 490 #if OSL_DEBUG_LEVEL > 0
 491         // determine vtable call index
 492         sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
 493         assert(nMemberPos < pTypeDescr->nAllMembers && "### member pos out of range!");
 494 #endif
 495
 496         VtableSlot aVtableSlot(
 497             getVtableSlot(
 498             reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>
 499               (pMemberDescr)));
 500
 501         switch (aVtableSlot.index)
 502         {
 503             // standard calls
 504         case 1: // acquire uno interface
 505             (*pUnoI->acquire)( pUnoI );
 506             *ppException = 0;
 507             break;
 508         case 2: // release uno interface
 509             (*pUnoI->release)( pUnoI );
 510             *ppException = 0;
 511             break;
 512         case 0: // queryInterface() opt
 513         {
 514             typelib_TypeDescription * pTD = 0;
 515             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
 516             if (pTD)
 517             {
 518                 uno_Interface * pInterface = 0;
 519                 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
 520                     pThis->getBridge()->getUnoEnv(),
 521                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
 522
 523                 if (pInterface)
 524                 {
 525                     ::uno_any_construct(
 526                         reinterpret_cast< uno_Any * >( pReturn ),
 527                         &pInterface, pTD, 0 );
 528                     (*pInterface->release)( pInterface );
 529                     TYPELIB_DANGER_RELEASE( pTD );
 530                     *ppException = 0;
 531                     break;
 532                 }
 533                 TYPELIB_DANGER_RELEASE( pTD );
 534             }
 535         } // else perform queryInterface()
 536         [[fallthrough]];
 537         default:
 538             // dependent dispatch
 539             cpp_call(
 540                 pThis, aVtableSlot,
 541                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
 542                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
 543                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
 544                 pReturn, pArgs, ppException );
 545         }
 546         break;
 547     }
 548     default:
 549     {
 550         ::com::sun::star::uno::RuntimeException aExc(
 551             "illegal member type description!",
 552             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
 553
 554         Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
 555         // binary identical null reference
 556         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
 557     }
 558     }
 559 }
 560
 561 }
 562
 563 #endif
 564
 565 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */