bridges/source/cpp_uno/gcc3_linux_powerpc64/uno2cpp.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_bridges.hxx"
  33
  34 #include <malloc.h>
  35
  36 #include <com/sun/star/uno/genfunc.hxx>
  37 #include <uno/data.h>
  38
  39 #include "bridges/cpp_uno/shared/bridge.hxx"
  40 #include "bridges/cpp_uno/shared/types.hxx"
  41 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
  42 #include "bridges/cpp_uno/shared/vtables.hxx"
  43
  44 #include "share.hxx"
  45
  46 #include <stdio.h>
  47 #include <string.h>
  48
  49
  50 using namespace ::rtl;
  51 using namespace ::com::sun::star::uno;
  52
  53 void MapReturn(long r3, double dret, typelib_TypeClass eTypeClass, void *pRegisterReturn)
  54 {
  55     switch (eTypeClass)
  56     {
  57     case typelib_TypeClass_HYPER:
  58     case typelib_TypeClass_UNSIGNED_HYPER:
  59             *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = r3;
  60             break;
  61     case typelib_TypeClass_LONG:
  62     case typelib_TypeClass_UNSIGNED_LONG:
  63     case typelib_TypeClass_ENUM:
  64             *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = r3;
  65             break;
  66     case typelib_TypeClass_CHAR:
  67     case typelib_TypeClass_SHORT:
  68     case typelib_TypeClass_UNSIGNED_SHORT:
  69             *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = (unsigned short)r3;
  70             break;
  71     case typelib_TypeClass_BOOLEAN:
  72     case typelib_TypeClass_BYTE:
  73             *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = (unsigned char)r3;
  74             break;
  75     case typelib_TypeClass_FLOAT:
  76             *reinterpret_cast<float *>( pRegisterReturn ) = dret;
  77         break;
  78     case typelib_TypeClass_DOUBLE:
  79             *reinterpret_cast<double *>( pRegisterReturn ) = dret;
  80             break;
  81     default:
  82             break;
  83     }
  84 }
  85
  86 namespace
  87 {
  88 //==================================================================================================
  89 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
  90     void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr,
  91         sal_uInt64 *pStack, sal_uInt32 nStack,
  92         sal_uInt64 *pGPR, sal_uInt32 nGPR,
  93         double *pFPR, sal_uInt32 nFPR)
  94 {
  95     // Stack, if used, must be 16-bytes aligned
  96     if ( nStack )
  97         nStack = ( nStack + 1 ) & ~1;
  98
  99     // Should not happen, but...
 100     if ( nFPR > ppc64::MAX_SSE_REGS )
 101         nFPR = ppc64::MAX_SSE_REGS;
 102     if ( nGPR > ppc64::MAX_GPR_REGS )
 103         nGPR = ppc64::MAX_GPR_REGS;
 104
 105 #ifdef CMC_DEBUG
 106         // Let's figure out what is really going on here
 107         {
 108                 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
 109                 for ( int i = 0; i < nGPR; ++i )
 110                         fprintf( stderr, "0x%lx, ", pGPR[i] );
 111                 fprintf( stderr, "\nFPR's (%d): ", nFPR );
 112                 for ( int i = 0; i < nFPR; ++i )
 113                         fprintf( stderr, "0x%lx (%f), ", pFPR[i], pFPR[i] );
 114                 fprintf( stderr, "\nStack (%d): ", nStack );
 115                 for ( int i = 0; i < nStack; ++i )
 116                         fprintf( stderr, "0x%lx, ", pStack[i] );
 117                 fprintf( stderr, "\n" );
 118         }
 119 #endif
 120
 121     // Load parameters to stack, if necessary
 122     sal_uInt64 *stack = (sal_uInt64 *) __builtin_alloca( nStack * 8 );
 123     memcpy( stack, pStack, nStack * 8 );
 124
 125     // Get pointer to method
 126     sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
 127     pMethod += 8 * nVtableIndex;
 128     pMethod = *((sal_uInt64 *)pMethod);
 129
 130     typedef void (* FunctionCall )( sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64 );
 131     FunctionCall pFunc = (FunctionCall)pMethod;
 132
 133     volatile double dret;
 134
 135     //  fill registers
 136     __asm__ __volatile__ (
 137                 "ld   3,  0(%0)\n\t"
 138                 "ld   4,  8(%0)\n\t"
 139                 "ld   5, 16(%0)\n\t"
 140                 "ld   6, 24(%0)\n\t"
 141                 "ld   7, 32(%0)\n\t"
 142                 "ld   8, 40(%0)\n\t"
 143                 "ld   9, 48(%0)\n\t"
 144                 "ld  10, 56(%0)\n\t"
 145                 "lfd  1,  0(%1)\n\t"
 146                 "lfd  2,  8(%1)\n\t"
 147                 "lfd  3, 16(%1)\n\t"
 148                 "lfd  4, 24(%1)\n\t"
 149                 "lfd  5, 32(%1)\n\t"
 150                 "lfd  6, 40(%1)\n\t"
 151                 "lfd  7, 48(%1)\n\t"
 152                 "lfd  8, 56(%1)\n\t"
 153                 "lfd  9, 64(%1)\n\t"
 154                 "lfd 10, 72(%1)\n\t"
 155                 "lfd 11, 80(%1)\n\t"
 156                 "lfd 12, 88(%1)\n\t"
 157                 "lfd 13, 96(%1)\n\t"
 158                 : : "r" (pGPR), "r" (pFPR)
 159               : "r0", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
 160                   "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", "fr8", "fr9",
 161                   "fr10", "fr11", "fr12", "fr13"
 162     );
 163
 164     // tell gcc that r3 to r11 are not available to it for doing the TOC and exception munge on the func call
 165     register sal_uInt64 r3 asm("r3");
 166     register sal_uInt64 r4 asm("r4");
 167     register sal_uInt64 r5 asm("r5");
 168     register sal_uInt64 r6 asm("r6");
 169     register sal_uInt64 r7 asm("r7");
 170     register sal_uInt64 r8 asm("r8");
 171     register sal_uInt64 r9 asm("r9");
 172     register sal_uInt64 r10 asm("r10");
 173     register sal_uInt64 r11 asm("r11");
 174
 175     (*pFunc)(r3, r4, r5, r6, r7, r8, r9, r10);
 176
 177     // get return value
 178     __asm__ __volatile__ (
 179                 "mr     %1,     3\n\t"
 180                 "mr     %2,     4\n\t"
 181                 "fmr    %0,     1\n\t"
 182                 : "=f" (dret), "=r" (r3), "=r" (r4) : );
 183
 184     MapReturn(r3, dret, pReturnTypeDescr->eTypeClass, pRegisterReturn);
 185 }
 186
 187 // Macros for easier insertion of values to registers or stack
 188 // pSV - pointer to the source
 189 // nr - order of the value [will be increased if stored to register]
 190 // pFPR, pGPR - pointer to the registers
 191 // pDS - pointer to the stack [will be increased if stored here]
 192
 193 // The value in %xmm register is already prepared to be retrieved as a float,
 194 // thus we treat float and double the same
 195 #define INSERT_FLOAT( pSV, nr, pFPR, pDS, bOverflow ) \
 196         if ( nr < ppc64::MAX_SSE_REGS ) \
 197                 pFPR[nr++] = *reinterpret_cast<float *>( pSV ); \
 198         else \
 199             bOverFlow = true; \
 200         if (bOverFlow) \
 201                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
 202
 203 #define INSERT_DOUBLE( pSV, nr, pFPR, pDS, bOverflow ) \
 204         if ( nr < ppc64::MAX_SSE_REGS ) \
 205                 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
 206         else \
 207             bOverFlow = true; \
 208         if (bOverFlow) \
 209                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
 210
 211 #define INSERT_INT64( pSV, nr, pGPR, pDS, bOverflow ) \
 212         if ( nr < ppc64::MAX_GPR_REGS ) \
 213                 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
 214         else \
 215         bOverFlow = true; \
 216     if (bOverFlow) \
 217                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
 218
 219 #define INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow ) \
 220         if ( nr < ppc64::MAX_GPR_REGS ) \
 221                 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
 222         else \
 223                 bOverFlow = true; \
 224         if (bOverFlow) \
 225                 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
 226
 227 #define INSERT_INT16( pSV, nr, pGPR, pDS, bOverflow ) \
 228         if ( nr < ppc64::MAX_GPR_REGS ) \
 229                 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
 230         else \
 231                 bOverFlow = true; \
 232         if (bOverFlow) \
 233                 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
 234
 235 #define INSERT_INT8( pSV, nr, pGPR, pDS, bOverflow ) \
 236         if ( nr < ppc64::MAX_GPR_REGS ) \
 237                 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
 238         else \
 239                 bOverFlow = true; \
 240         if (bOverFlow) \
 241                 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
 242
 243 //==================================================================================================
 244 static void cpp_call(
 245     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
 246     bridges::cpp_uno::shared::VtableSlot  aVtableSlot,
 247     typelib_TypeDescriptionReference * pReturnTypeRef,
 248     sal_Int32 nParams, typelib_MethodParameter * pParams,
 249     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
 250 {
 251       // max space for: [complex ret ptr], values|ptr ...
 252       sal_uInt64 * pStack = (sal_uInt64 *)alloca( (nParams+3) * sizeof(sal_Int64) );
 253       sal_uInt64 * pStackStart = pStack;
 254
 255     sal_uInt64 pGPR[ppc64::MAX_GPR_REGS];
 256     sal_uInt32 nGPR = 0;
 257
 258     double pFPR[ppc64::MAX_SSE_REGS];
 259     sal_uInt32 nFPR = 0;
 260
 261     // return
 262     typelib_TypeDescription * pReturnTypeDescr = 0;
 263     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
 264     OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
 265
 266     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
 267
 268         bool bOverFlow = false;
 269
 270     if (pReturnTypeDescr)
 271     {
 272 #ifdef CMC_DEBUG
 273         fprintf(stderr, "return type is %d\n", pReturnTypeDescr->eTypeClass);
 274 #endif
 275         if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
 276         {
 277             pCppReturn = pUnoReturn; // direct way for simple types
 278 #ifdef CMC_DEBUG
 279             fprintf(stderr, "simple return\n");
 280 #endif
 281         }
 282         else
 283         {
 284             // complex return via ptr
 285             pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
 286                    ? alloca( pReturnTypeDescr->nSize ) : pUnoReturn);
 287 #ifdef CMC_DEBUG
 288             fprintf(stderr, "pCppReturn/pUnoReturn is %lx/%lx", pCppReturn, pUnoReturn);
 289 #endif
 290             INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack, bOverFlow );
 291         }
 292     }
 293     // push "this" pointer
 294         void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
 295 #ifdef CMC_DEBUG
 296     fprintf(stderr, "this pointer is %p\n", pAdjustedThisPtr);
 297 #endif
 298     INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack, bOverFlow );
 299
 300         // Args
 301         void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
 302     // indizes of values this have to be converted (interface conversion cpp<=>uno)
 303     sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
 304     // type descriptions for reconversions
 305     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
 306
 307     sal_Int32 nTempIndizes   = 0;
 308
 309 #ifdef CMC_DEBUG
 310     fprintf(stderr, "n params is %d\n", nParams);
 311 #endif
 312
 313     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 314     {
 315         const typelib_MethodParameter & rParam = pParams[nPos];
 316         typelib_TypeDescription * pParamTypeDescr = 0;
 317         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
 318
 319 #ifdef CMC_DEBUG
 320         fprintf(stderr, "param %d is %d %d %d\n", nPos, rParam.bOut, bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ),
 321             pParamTypeDescr->eTypeClass);
 322 #endif
 323
 324         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
 325         {
 326 //                      uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
 327             uno_copyAndConvertData( pCppArgs[nPos] = pStack, pUnoArgs[nPos], pParamTypeDescr,
 328                                     pThis->getBridge()->getUno2Cpp() );
 329                 switch (pParamTypeDescr->eTypeClass)
 330                         {
 331                         case typelib_TypeClass_HYPER:
 332                         case typelib_TypeClass_UNSIGNED_HYPER:
 333 #ifdef CMC_DEBUG
 334                 fprintf(stderr, "hyper is %lx\n", pCppArgs[nPos]);
 335 #endif
 336                                 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow );
 337                                 break;
 338                         case typelib_TypeClass_LONG:
 339                         case typelib_TypeClass_UNSIGNED_LONG:
 340                         case typelib_TypeClass_ENUM:
 341 #ifdef CMC_DEBUG
 342                 fprintf(stderr, "long is %x\n", pCppArgs[nPos]);
 343 #endif
 344                                 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow );
 345                                 break;
 346                         case typelib_TypeClass_SHORT:
 347                         case typelib_TypeClass_CHAR:
 348                         case typelib_TypeClass_UNSIGNED_SHORT:
 349                                 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow );
 350                                 break;
 351                         case typelib_TypeClass_BOOLEAN:
 352                         case typelib_TypeClass_BYTE:
 353                                 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow );
 354                                 break;
 355                         case typelib_TypeClass_FLOAT:
 356                                 INSERT_FLOAT( pCppArgs[nPos], nFPR, pFPR, pStack, bOverFlow );
 357                 break;
 358                         case typelib_TypeClass_DOUBLE:
 359                                 INSERT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack, bOverFlow );
 360                                 break;
 361                         }
 362
 363                         // no longer needed
 364                         TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 365
 366         }
 367         else // ptr to complex value | ref
 368         {
 369 #ifdef CMC_DEBUG
 370             fprintf(stderr, "complex type again %d\n", rParam.bIn);
 371 #endif
 372                         if (! rParam.bIn) // is pure out
 373                         {
 374 #ifdef CMC_DEBUG
 375                 fprintf(stderr, "complex size is %d\n", pParamTypeDescr->nSize );
 376 #endif
 377                                 // cpp out is constructed mem, uno out is not!
 378                                 uno_constructData(
 379                                         pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 380                                         pParamTypeDescr );
 381                                 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
 382                                 // will be released at reconversion
 383                                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
 384                         }
 385                         // is in/inout
 386                         else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
 387                         {
 388 #ifdef CMC_DEBUG
 389                 fprintf(stderr, "this one\n");
 390 #endif
 391                                 uno_copyAndConvertData(
 392                                         pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 393                                         pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
 394
 395                                 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
 396                                 // will be released at reconversion
 397                                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
 398                         }
 399                         else // direct way
 400                         {
 401 #ifdef CMC_DEBUG
 402                 fprintf(stderr, "that one, passing %lx through\n", pUnoArgs[nPos]);
 403 #endif
 404                                 pCppArgs[nPos] = pUnoArgs[nPos];
 405                                 // no longer needed
 406                                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 407                         }
 408                         INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack, bOverFlow );
 409         }
 410     }
 411
 412     try
 413     {
 414                callVirtualMethod(
 415                         pAdjustedThisPtr, aVtableSlot.index,
 416                         pCppReturn, pReturnTypeDescr,
 417                         pStackStart, ( pStack - pStackStart ),
 418                         pGPR, nGPR,
 419                         pFPR, nFPR );
 420         // NO exception occured...
 421         *ppUnoExc = 0;
 422
 423         // reconvert temporary params
 424         for ( ; nTempIndizes--; )
 425         {
 426             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
 427             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
 428
 429             if (pParams[nIndex].bIn)
 430             {
 431                 if (pParams[nIndex].bOut) // inout
 432                 {
 433                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
 434                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 435                                             pThis->getBridge()->getCpp2Uno() );
 436                 }
 437             }
 438             else // pure out
 439             {
 440                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 441                                         pThis->getBridge()->getCpp2Uno() );
 442             }
 443             // destroy temp cpp param => cpp: every param was constructed
 444             uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
 445
 446             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 447         }
 448         // return value
 449         if (pCppReturn && pUnoReturn != pCppReturn)
 450         {
 451             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
 452                                     pThis->getBridge()->getCpp2Uno() );
 453             uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
 454         }
 455     }
 456      catch (...)
 457      {
 458           // fill uno exception
 459         fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions,
 460                                   *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
 461
 462         // temporary params
 463         for ( ; nTempIndizes--; )
 464         {
 465             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
 466             // destroy temp cpp param => cpp: every param was constructed
 467             uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
 468             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
 469         }
 470         // return type
 471         if (pReturnTypeDescr)
 472             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
 473     }
 474 }
 475
 476 }
 477
 478 namespace bridges { namespace cpp_uno { namespace shared {
 479
 480 void unoInterfaceProxyDispatch(
 481     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
 482     void * pReturn, void * pArgs[], uno_Any ** ppException )
 483 {
 484     // is my surrogate
 485         bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
 486             = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI);
 487     typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
 488
 489     switch (pMemberDescr->eTypeClass)
 490     {
 491     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
 492     {
 493
 494         VtableSlot aVtableSlot(
 495             getVtableSlot(
 496                 reinterpret_cast<
 497                     typelib_InterfaceAttributeTypeDescription const * >(
 498                         pMemberDescr)));
 499
 500         if (pReturn)
 501         {
 502             // dependent dispatch
 503             cpp_call(
 504                 pThis, aVtableSlot,
 505                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
 506                 0, 0, // no params
 507                 pReturn, pArgs, ppException );
 508         }
 509         else
 510         {
 511             // is SET
 512             typelib_MethodParameter aParam;
 513             aParam.pTypeRef =
 514                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
 515             aParam.bIn          = sal_True;
 516             aParam.bOut         = sal_False;
 517
 518             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
 519             OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
 520             typelib_typedescriptionreference_new(
 521                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
 522
 523             // dependent dispatch
 524                         aVtableSlot.index += 1; //get then set method
 525             cpp_call(
 526                 pThis, aVtableSlot,
 527                 pReturnTypeRef,
 528                 1, &aParam,
 529                 pReturn, pArgs, ppException );
 530
 531             typelib_typedescriptionreference_release( pReturnTypeRef );
 532         }
 533
 534         break;
 535     }
 536     case typelib_TypeClass_INTERFACE_METHOD:
 537     {
 538
 539         VtableSlot aVtableSlot(
 540             getVtableSlot(
 541                 reinterpret_cast<
 542                     typelib_InterfaceMethodTypeDescription const * >(
 543                         pMemberDescr)));
 544         switch (aVtableSlot.index)
 545         {
 546             // standard calls
 547         case 1: // acquire uno interface
 548             (*pUnoI->acquire)( pUnoI );
 549             *ppException = 0;
 550             break;
 551         case 2: // release uno interface
 552             (*pUnoI->release)( pUnoI );
 553             *ppException = 0;
 554             break;
 555         case 0: // queryInterface() opt
 556         {
 557             typelib_TypeDescription * pTD = 0;
 558             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
 559             if (pTD)
 560             {
 561                 uno_Interface * pInterface = 0;
 562                 (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
 563                     pThis->pBridge->getUnoEnv(),
 564                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
 565
 566                 if (pInterface)
 567                 {
 568                     ::uno_any_construct(
 569                         reinterpret_cast< uno_Any * >( pReturn ),
 570                         &pInterface, pTD, 0 );
 571                     (*pInterface->release)( pInterface );
 572                     TYPELIB_DANGER_RELEASE( pTD );
 573                     *ppException = 0;
 574                     break;
 575                 }
 576                 TYPELIB_DANGER_RELEASE( pTD );
 577             }
 578         } // else perform queryInterface()
 579         default:
 580             // dependent dispatch
 581             cpp_call(
 582                 pThis, aVtableSlot,
 583                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
 584                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
 585                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
 586                 pReturn, pArgs, ppException );
 587         }
 588         break;
 589     }
 590     default:
 591     {
 592         ::com::sun::star::uno::RuntimeException aExc(
 593             OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
 594             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
 595
 596         Type const & rExcType = ::getCppuType( &aExc );
 597         // binary identical null reference
 598         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
 599     }
 600     }
 601 }
 602
 603 } } }