bridges/source/cpp_uno/gcc3_freebsd_x86-64/uno2cpp.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: uno2cpp.cxx,v $
  10  * $Revision: 1.5 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_bridges.hxx"
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <string.h>
  37 #include <rtl/alloc.h>
  38
  39 #include <com/sun/star/uno/genfunc.hxx>
  40 #include "com/sun/star/uno/RuntimeException.hpp"
  41 #include <uno/data.h>
  42
  43 #include <bridges/cpp_uno/shared/bridge.hxx>
  44 #include <bridges/cpp_uno/shared/types.hxx>
  45 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
  46 #include "bridges/cpp_uno/shared/vtables.hxx"
  47
  48 #include "abi.hxx"
  49 #include "share.hxx"
  50
  51 using namespace ::rtl;
  52 using namespace ::com::sun::star::uno;
  53
  54 //==================================================================================================
  55 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
  56                               void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr, bool bSimpleReturn,
  57                               sal_uInt64 *pStack, sal_uInt32 nStack,
  58                               sal_uInt64 *pGPR, sal_uInt32 nGPR,
  59                               double *pFPR, sal_uInt32 nFPR) __attribute__((noinline));
  60
  61 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
  62                               void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr, bool bSimpleReturn,
  63                               sal_uInt64 *pStack, sal_uInt32 nStack,
  64                               sal_uInt64 *pGPR, sal_uInt32 nGPR,
  65                               double *pFPR, sal_uInt32 nFPR)
  66 {
  67 #if OSL_DEBUG_LEVEL > 1
  68     // Let's figure out what is really going on here
  69     {
  70         fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
  71         for ( int i = 0; i < nGPR; ++i )
  72             fprintf( stderr, "0x%lx, ", pGPR[i] );
  73         fprintf( stderr, "\nFPR's (%d): ", nFPR );
  74         for ( int i = 0; i < nFPR; ++i )
  75             fprintf( stderr, "%f, ", pFPR[i] );
  76         fprintf( stderr, "\nStack (%d): ", nStack );
  77         for ( int i = 0; i < nStack; ++i )
  78             fprintf( stderr, "0x%lx, ", pStack[i] );
  79         fprintf( stderr, "\n" );
  80     }
  81 #endif
  82
  83     // The call instruction within the asm section of callVirtualMethod may throw
  84     // exceptions.  So that the compiler handles this correctly, it is important
  85     // that (a) callVirtualMethod might call dummy_can_throw_anything (although this
  86     // never happens at runtime), which in turn can throw exceptions, and (b)
  87     // callVirtualMethod is not inlined at its call site (so that any exceptions are
  88     // caught which are thrown from the instruction calling callVirtualMethod):
  89     if ( !pThis )
  90         CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything( "xxx" ); // address something
  91
  92     // Should not happen, but...
  93     if ( nFPR > x86_64::MAX_SSE_REGS )
  94         nFPR = x86_64::MAX_SSE_REGS;
  95     if ( nGPR > x86_64::MAX_GPR_REGS )
  96         nGPR = x86_64::MAX_GPR_REGS;
  97
  98     // Get pointer to method
  99     sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
 100     pMethod += 8 * nVtableIndex;
 101     pMethod = *((sal_uInt64 *)pMethod);
 102
 103     // Load parameters to stack, if necessary
 104     if ( nStack )
 105     {
 106         // 16-bytes aligned
 107         sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16;
 108         sal_uInt64 *pCallStack = (sal_uInt64 *) __builtin_alloca( nStackBytes );
 109         memcpy( pCallStack, pStack, nStackBytes );
 110     }
 111
 112     // Return values
 113     sal_uInt64 rax;
 114     sal_uInt64 rdx;
 115     double xmm0;
 116
 117     asm volatile (
 118
 119         // Fill the xmm registers
 120         "movq %2, %%rax\n\t"
 121
 122         "movsd   (%%rax), %%xmm0\n\t"
 123         "movsd  8(%%rax), %%xmm1\n\t"
 124         "movsd 16(%%rax), %%xmm2\n\t"
 125         "movsd 24(%%rax), %%xmm3\n\t"
 126         "movsd 32(%%rax), %%xmm4\n\t"
 127         "movsd 40(%%rax), %%xmm5\n\t"
 128         "movsd 48(%%rax), %%xmm6\n\t"
 129         "movsd 56(%%rax), %%xmm7\n\t"
 130
 131         // Fill the general purpose registers
 132         "movq %1, %%rax\n\t"
 133
 134         "movq    (%%rax), %%rdi\n\t"
 135         "movq   8(%%rax), %%rsi\n\t"
 136         "movq  16(%%rax), %%rdx\n\t"
 137         "movq  24(%%rax), %%rcx\n\t"
 138         "movq  32(%%rax), %%r8\n\t"
 139         "movq  40(%%rax), %%r9\n\t"
 140
 141         // Perform the call
 142         "movq %0, %%r11\n\t"
 143         "movq %3, %%rax\n\t"
 144         "call *%%r11\n\t"
 145
 146         // Fill the return values
 147         "movq   %%rax, %4\n\t"
 148         "movq   %%rdx, %5\n\t"
 149         "movsd %%xmm0, %6\n\t"
 150         :
 151         : "m" ( pMethod ), "m" ( pGPR ), "m" ( pFPR ), "m" ( nFPR ),
 152           "m" ( rax ), "m" ( rdx ), "m" ( xmm0 )
 153         : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r11"
 154     );
 155
 156     switch (pReturnTypeDescr->eTypeClass)
 157     {
 158     case typelib_TypeClass_HYPER:
 159     case typelib_TypeClass_UNSIGNED_HYPER:
 160         *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = rax;
 161         break;
 162     case typelib_TypeClass_LONG:
 163     case typelib_TypeClass_UNSIGNED_LONG:
 164     case typelib_TypeClass_ENUM:
 165         *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32*>( &rax );
 166         break;
 167     case typelib_TypeClass_CHAR:
 168     case typelib_TypeClass_SHORT:
 169     case typelib_TypeClass_UNSIGNED_SHORT:
 170         *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16*>( &rax );
 171         break;
 172     case typelib_TypeClass_BOOLEAN:
 173     case typelib_TypeClass_BYTE:
 174         *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8*>( &rax );
 175         break;
 176     case typelib_TypeClass_FLOAT:
 177     case typelib_TypeClass_DOUBLE:
 178         *reinterpret_cast<double *>( pRegisterReturn ) = xmm0;
 179         break;
 180     default:
 181         {
 182             sal_Int32 const nRetSize = pReturnTypeDescr->nSize;
 183             if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
 184             {
 185                 if (nRetSize > 8)
 186                     static_cast<sal_uInt64 *>(pRegisterReturn)[1] = rdx;
 187                 static_cast<sal_uInt64 *>(pRegisterReturn)[0] = rax;
 188             }
 189             break;
 190         }
 191     }
 192 }
 193
 194 //==================================================================================================
 195
 196 // Macros for easier insertion of values to registers or stack
 197 // pSV - pointer to the source
 198 // nr - order of the value [will be increased if stored to register]
 199 // pFPR, pGPR - pointer to the registers
 200 // pDS - pointer to the stack [will be increased if stored here]
 201
 202 // The value in %xmm register is already prepared to be retrieved as a float,
 203 // thus we treat float and double the same
 204 #define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \
 205     if ( nr < x86_64::MAX_SSE_REGS ) \
 206         pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
 207     else \
 208         *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
 209
 210 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \
 211     if ( nr < x86_64::MAX_GPR_REGS ) \
 212         pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
 213     else \
 214         *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
 215
 216 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \
 217     if ( nr < x86_64::MAX_GPR_REGS ) \
 218         pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
 219     else \
 220         *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
 221
 222 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \
 223     if ( nr < x86_64::MAX_GPR_REGS ) \
 224         pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
 225     else \
 226         *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
 227
 228 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \
 229     if ( nr < x86_64::MAX_GPR_REGS ) \
 230         pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
 231     else \
 232         *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
 233
 234 //==================================================================================================
 235
 236 static void cpp_call(
 237     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
 238     bridges::cpp_uno::shared::VtableSlot aVtableSlot,
 239     typelib_TypeDescriptionReference * pReturnTypeRef,
 240     sal_Int32 nParams, typelib_MethodParameter * pParams,
 241     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
 242 {
 243     // Maxium space for [complex ret ptr], values | ptr ...
 244     // (but will be used less - some of the values will be in pGPR and pFPR)
 245       sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) );
 246       sal_uInt64 *pStackStart = pStack;
 247
 248     sal_uInt64 pGPR[x86_64::MAX_GPR_REGS];
 249     sal_uInt32 nGPR = 0;
 250
 251     double pFPR[x86_64::MAX_SSE_REGS];
 252     sal_uInt32 nFPR = 0;
 253
 254     // Return
 255     typelib_TypeDescription * pReturnTypeDescr = 0;
 256     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
 257     OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
 258
 259     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion (see below)
 260
 261     bool bSimpleReturn = true;
 262     if ( pReturnTypeDescr )
 263     {
 264         if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
 265             bSimpleReturn = false;
 266
 267         if ( bSimpleReturn )
 268             pCppReturn = pUnoReturn; // direct way for simple types
 269         else
 270         {
 271             // complex return via ptr
 272             pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
 273                          __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
 274             INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack );
 275         }
 276     }
 277
 278     // Push "this" pointer
 279     void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
 280     INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
 281
 282     // Args
 283     void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
 284     // Indizes of values this have to be converted (interface conversion cpp<=>uno)
 285     sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
 286     // Type descriptions for reconversions
 287     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
 288
 289     sal_Int32 nTempIndizes = 0;
 290
 291     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 292     {
 293         const typelib_MethodParameter & rParam = pParams[nPos];
 294         typelib_TypeDescription * pParamTypeDescr = 0;
 295         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
 296
 297         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
 298         {
 299             uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
 300                                     pThis->getBridge()->getUno2Cpp() );
 301
 302             switch (pParamTypeDescr->eTypeClass)
 303             {
 304             case typelib_TypeClass_HYPER:
 305             case typelib_TypeClass_UNSIGNED_HYPER:
 306                 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
 307                 break;
 308             case typelib_TypeClass_LONG:
 309             case typelib_TypeClass_UNSIGNED_LONG:
 310             case typelib_TypeClass_ENUM:
 311                 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
 312                 break;
 313             case typelib_TypeClass_SHORT:
 314             case typelib_TypeClass_CHAR:
 315             case typelib_TypeClass_UNSIGNED_SHORT:
 316                 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
 317                 break;
 318             case typelib_TypeClass_BOOLEAN:
 319             case typelib_TypeClass_BYTE:
 320                 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
 321                 break;
 322             case typelib_TypeClass_FLOAT:
 323             case typelib_TypeClass_DOUBLE:
 324                 INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
 325                 break;
 326             }
 327
 328             // no longer needed
 329             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 330         }
 331         else // ptr to complex value | ref
 332         {
 333             if (! rParam.bIn) // is pure out
 334             {
 335                 // cpp out is constructed mem, uno out is not!
 336                 uno_constructData(
 337                     pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 338                     pParamTypeDescr );
 339                 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
 340                 // will be released at reconversion
 341                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
 342             }
 343             // is in/inout
 344             else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
 345             {
 346                 uno_copyAndConvertData(
 347                     pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 348                     pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
 349
 350                 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
 351                 // will be released at reconversion
 352                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
 353             }
 354             else // direct way
 355             {
 356                 pCppArgs[nPos] = pUnoArgs[nPos];
 357                 // no longer needed
 358                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 359             }
 360             INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
 361         }
 362     }
 363
 364     try
 365     {
 366         callVirtualMethod(
 367             pAdjustedThisPtr, aVtableSlot.index,
 368             pCppReturn, pReturnTypeDescr, bSimpleReturn,
 369             pStackStart, ( pStack - pStackStart ),
 370             pGPR, nGPR,
 371             pFPR, nFPR );
 372         // NO exception occured...
 373         *ppUnoExc = 0;
 374
 375         // reconvert temporary params
 376         for ( ; nTempIndizes--; )
 377         {
 378             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
 379             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
 380
 381             if (pParams[nIndex].bIn)
 382             {
 383                 if (pParams[nIndex].bOut) // inout
 384                 {
 385                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
 386                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 387                                             pThis->getBridge()->getCpp2Uno() );
 388                 }
 389             }
 390             else // pure out
 391             {
 392                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 393                                         pThis->getBridge()->getCpp2Uno() );
 394             }
 395             // destroy temp cpp param => cpp: every param was constructed
 396             uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
 397
 398             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 399         }
 400         // return value
 401         if (pCppReturn && pUnoReturn != pCppReturn)
 402         {
 403             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
 404                                     pThis->getBridge()->getCpp2Uno() );
 405             uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
 406         }
 407     }
 408      catch (...)
 409      {
 410           // fill uno exception
 411         fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions, *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
 412
 413         // temporary params
 414         for ( ; nTempIndizes--; )
 415         {
 416             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
 417             // destroy temp cpp param => cpp: every param was constructed
 418             uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
 419             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
 420         }
 421         // return type
 422         if (pReturnTypeDescr)
 423             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
 424     }
 425 }
 426
 427 //==================================================================================================
 428
 429 namespace bridges { namespace cpp_uno { namespace shared {
 430
 431 void unoInterfaceProxyDispatch(
 432     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
 433     void * pReturn, void * pArgs[], uno_Any ** ppException )
 434 {
 435     // is my surrogate
 436     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
 437         = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
 438     typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
 439
 440     switch (pMemberDescr->eTypeClass)
 441     {
 442     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
 443     {
 444         // determine vtable call index
 445         sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
 446         OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
 447
 448         VtableSlot aVtableSlot(
 449                 getVtableSlot(
 450                     reinterpret_cast<
 451                     typelib_InterfaceAttributeTypeDescription const * >(
 452                         pMemberDescr)));
 453
 454         if (pReturn)
 455         {
 456             // dependent dispatch
 457             cpp_call(
 458                 pThis, aVtableSlot,
 459                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
 460                 0, 0, // no params
 461                 pReturn, pArgs, ppException );
 462         }
 463         else
 464         {
 465             // is SET
 466             typelib_MethodParameter aParam;
 467             aParam.pTypeRef =
 468                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
 469             aParam.bIn          = sal_True;
 470             aParam.bOut         = sal_False;
 471
 472             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
 473             OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
 474             typelib_typedescriptionreference_new(
 475                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
 476
 477             // dependent dispatch
 478             aVtableSlot.index += 1; // get, then set method
 479             cpp_call(
 480                 pThis, aVtableSlot, // get, then set method
 481                 pReturnTypeRef,
 482                 1, &aParam,
 483                 pReturn, pArgs, ppException );
 484
 485             typelib_typedescriptionreference_release( pReturnTypeRef );
 486         }
 487
 488         break;
 489     }
 490     case typelib_TypeClass_INTERFACE_METHOD:
 491     {
 492         // determine vtable call index
 493         sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
 494         OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
 495
 496         VtableSlot aVtableSlot(
 497                 getVtableSlot(
 498                     reinterpret_cast<
 499                     typelib_InterfaceMethodTypeDescription const * >(
 500                         pMemberDescr)));
 501
 502         switch (aVtableSlot.index)
 503         {
 504             // standard calls
 505         case 1: // acquire uno interface
 506             (*pUnoI->acquire)( pUnoI );
 507             *ppException = 0;
 508             break;
 509         case 2: // release uno interface
 510             (*pUnoI->release)( pUnoI );
 511             *ppException = 0;
 512             break;
 513         case 0: // queryInterface() opt
 514         {
 515             typelib_TypeDescription * pTD = 0;
 516             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
 517             if (pTD)
 518             {
 519                 uno_Interface * pInterface = 0;
 520                 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
 521                     pThis->getBridge()->getUnoEnv(),
 522                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
 523
 524                 if (pInterface)
 525                 {
 526                     ::uno_any_construct(
 527                         reinterpret_cast< uno_Any * >( pReturn ),
 528                         &pInterface, pTD, 0 );
 529                     (*pInterface->release)( pInterface );
 530                     TYPELIB_DANGER_RELEASE( pTD );
 531                     *ppException = 0;
 532                     break;
 533                 }
 534                 TYPELIB_DANGER_RELEASE( pTD );
 535             }
 536         } // else perform queryInterface()
 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             OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
 552             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
 553
 554         Type const & rExcType = ::getCppuType( &aExc );
 555         // binary identical null reference
 556         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
 557     }
 558     }
 559 }
 560
 561 } } }