xref: /AOO41X/main/bridges/source/cpp_uno/gcc3_linux_sparc/uno2cpp.cxx (revision 61dff127b6698e0bae836c8aedd6ec62111483d1)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_bridges.hxx"
26 #include <malloc.h>
27 #include <com/sun/star/uno/genfunc.hxx>
28 #include <uno/data.h>
29 
30 #include "bridges/cpp_uno/shared/bridge.hxx"
31 #include "bridges/cpp_uno/shared/types.hxx"
32 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
33 #include "bridges/cpp_uno/shared/vtables.hxx"
34 
35 #include "share.hxx"
36 
37 using namespace rtl;
38 using namespace com::sun::star::uno;
39 
40 namespace
41 {
42 //==================================================================================================
43 // The call instruction within the asm section of callVirtualMethod may throw
44 // exceptions.  So that the compiler handles this correctly, it is important
45 // that (a) callVirtualMethod might call dummy_can_throw_anything (although this
46 // never happens at runtime), which in turn can throw exceptions, and (b)
47 // callVirtualMethod is not inlined at its call site (so that any exceptions are
48 // caught which are thrown from the instruction calling callVirtualMethod):
49 
50 void callVirtualMethod( void * pAdjustedThisPtr,
51                         sal_Int32 nVtableIndex,
52                         void * pRegisterReturn,
53                         typelib_TypeClass eReturnType,
54                         sal_Int32 * pStackLongs,
55                         sal_Int32 nStackLongs ) __attribute__((noinline));
56 
callVirtualMethod(void * pAdjustedThisPtr,sal_Int32,void * pRegisterReturn,typelib_TypeClass eReturnType,sal_Int32 * pStackLongs,sal_Int32 nStackLongs)57 void callVirtualMethod( void * pAdjustedThisPtr,
58                         sal_Int32 /* nVtableIndex */,
59                         void * pRegisterReturn,
60                         typelib_TypeClass eReturnType,
61 #if OSL_DEBUG_LEVEL > 0
62                         sal_Int32 * pStackLongs,
63                         sal_Int32 nStackLongs)
64 #else
65                         sal_Int32 * /*pStackLongs*/,
66                         sal_Int32 /*nStackLongs*/)
67 #endif
68 {
69     // parameter list is mixed list of * and values
70     // reference parameters are pointers
71 
72     OSL_ENSURE( pStackLongs && pAdjustedThisPtr, "### null ptr!" );
73     OSL_ENSURE( (sizeof(void *) == 4) &&
74                  (sizeof(sal_Int32) == 4), "### unexpected size of int!" );
75     OSL_ENSURE( nStackLongs && pStackLongs, "### no stack in callVirtualMethod !" );
76 
77     // never called
78     if (! pAdjustedThisPtr) CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something
79 
80     volatile long o0 = 0, o1 = 0; // for register returns
81     volatile double f0d = 0;
82     volatile float f0f = 0;
83     volatile long long saveReg[7];
84 
85     __asm__ (
86         // save registers
87         "std %%l0, [%4]\n\t"
88         "mov %4, %%l0\n\t"
89         "mov %%l0, %%l1\n\t"
90         "add %%l0, 8, %%l0\n\t"
91         "std %%l2, [%%l0]\n\t"
92         "add %%l0, 8, %%l0\n\t"
93         "std %%l4, [%%l0]\n\t"
94         "add %%l0, 8, %%l0\n\t"
95         "std %%o0, [%%l0]\n\t"
96         "add %%l0, 8, %%l0\n\t"
97         "std %%o2, [%%l0]\n\t"
98         "add %%l0, 8, %%l0\n\t"
99         "std %%o4, [%%l0]\n\t"
100         "add %%l0, 8, %%l0\n\t"
101         "std %%l6, [%%l0]\n\t"
102         "mov %%l1, %%l7\n\t"
103 
104         // increase our own stackframe if necessary
105         "mov %%sp, %%l3\n\t"        // save stack ptr for readjustment
106 
107         "subcc %%i5, 7, %%l0\n\t"
108         "ble .LmoveOn\n\t"
109         "nop\n\t"
110 
111         "sll %%l0, 2, %%l0\n\t"
112         "add %%l0, 96, %%l0\n\t"
113         "mov %%sp, %%l1\n\t"        // old stack ptr
114         "sub %%sp, %%l0, %%l0\n\t"  // future stack ptr
115         "andcc %%l0, 7, %%g0\n\t"   // align stack to 8
116         "be .LisAligned\n\t"
117         "nop\n\t"
118         "sub %%l0, 4, %%l0\n"
119     ".LisAligned:\n\t"
120         "mov %%l0, %%o5\n\t"            // save newly computed stack ptr
121         "add %%g0, 16, %%o4\n"
122 
123         // now copy longs down to save register window
124         // and local variables
125     ".LcopyDown:\n\t"
126         "ld [%%l1], %%l2\n\t"
127         "st %%l2,[%%l0]\n\t"
128         "add %%l0, 4, %%l0\n\t"
129         "add %%l1, 4, %%l1\n\t"
130         "subcc %%o4, 1, %%o4\n\t"
131         "bne .LcopyDown\n\t"
132 
133         "mov %%o5, %%sp\n\t"        // move new stack ptr (hopefully) atomically
134         // while register window is valid in both spaces
135         // (scheduling might hit in copyDown loop)
136 
137         "sub %%i5, 7, %%l0\n\t"     // copy parameters past the sixth to stack
138         "add %%i4, 28, %%l1\n\t"
139         "add %%sp, 92, %%l2\n"
140     ".LcopyLong:\n\t"
141         "ld [%%l1], %%o0\n\t"
142         "st %%o0, [%%l2]\n\t"
143         "add %%l1, 4, %%l1\n\t"
144         "add %%l2, 4, %%l2\n\t"
145         "subcc %%l0, 1, %%l0\n\t"
146         "bne .LcopyLong\n\t"
147         "nop\n"
148 
149     ".LmoveOn:\n\t"
150         "mov %%i5, %%l0\n\t"        // prepare out registers
151         "mov %%i4, %%l1\n\t"
152 
153         "ld [%%l1], %%o0\n\t"       // prepare complex return ptr
154         "st %%o0, [%%sp+64]\n\t"
155         "sub %%l0, 1, %%l0\n\t"
156         "add %%l1, 4, %%l1\n\t"
157 
158         "ld [%%l1], %%o0\n\t"
159         "subcc %%l0, 1, %%l0\n\t"
160         "be .LdoCall\n\t"
161         "nop\n\t"
162 
163         "add %%l1, 4, %%l1\n\t"
164         "ld [%%l1], %%o1\n\t"
165         "subcc %%l0, 1, %%l0\n\t"
166         "be .LdoCall\n\t"
167         "nop\n\t"
168 
169         "add %%l1, 4, %%l1\n\t"
170         "ld [%%l1], %%o2\n\t"
171         "subcc %%l0, 1, %%l0\n\t"
172         "be .LdoCall\n\t"
173         "nop\n\t"
174 
175         "add %%l1, 4, %%l1\n\t"
176         "ld [%%l1], %%o3\n\t"
177         "subcc %%l0, 1, %%l0\n\t"
178         "be .LdoCall\n\t"
179         "nop\n\t"
180 
181         "add %%l1, 4, %%l1\n\t"
182         "ld [%%l1], %%o4\n\t"
183         "subcc %%l0, 1, %%l0\n\t"
184         "be .LdoCall\n\t"
185         "nop\n\t"
186 
187         "add %%l1, 4, %%l1\n\t"
188         "ld [%%l1], %%o5\n"
189 
190     ".LdoCall:\n\t"
191         "ld [%%i0], %%l0\n\t"       // get vtable ptr
192 
193 "sll %%i1, 2, %%l6\n\t"
194 //        "add %%l6, 8, %%l6\n\t"
195         "add %%l6, %%l0, %%l0\n\t"
196 //      // vtable has 8byte wide entries,
197 //      // upper half contains 2 half words, of which the first
198 //      // is the this ptr patch !
199 //      // first entry is (or __tf)
200 
201 //      "ldsh [%%l0], %%l6\n\t"     // load this ptr patch
202 //      "add %%l6, %%o0, %%o0\n\t"  // patch this ptr
203 
204 //      "add %%l0, 4, %%l0\n\t"     // get virtual function ptr
205         "ld [%%l0], %%l0\n\t"
206 
207         "ld [%%i4], %%l2\n\t"
208         "subcc %%l2, %%g0, %%l2\n\t"
209         "bne .LcomplexCall\n\t"
210         "nop\n\t"
211         "call %%l0\n\t"
212         "nop\n\t"
213         "ba .LcallReturned\n\t"
214         "nop\n"
215     ".LcomplexCall:\n\t"
216         "call %%l0\n\t"
217         "nop\n\t"
218         "unimp\n"
219 
220     ".LcallReturned:\n\t"
221         "mov %%l3, %%sp\n\t"        // readjust stack so that our locals are where they belong
222         "st %%o0, %0\n\t"           // save possible return registers into our locals
223         "st %%o1, %1\n\t"
224         "std %%f0, %2\n\t"
225         "st %%f0, %3\n\t"
226 
227         // restore registers
228         "ldd [%%l7], %%l0\n\t"
229         "add %%l7, 8, %%l7\n\t"
230         "ldd [%%l7], %%l2\n\t"
231         "add %%l7, 8, %%l7\n\t"
232         "ldd [%%l7], %%l4\n\t"
233         "add %%l7, 8, %%l7\n\t"
234         "ldd [%%l7], %%o0\n\t"
235         "add %%l7, 8, %%l7\n\t"
236         "ldd [%%l7], %%o2\n\t"
237         "add %%l7, 8, %%l7\n\t"
238         "ldd [%%l7], %%o4\n\t"
239         "add %%l7, 8, %%l7\n\t"
240         "ldd [%%l7], %%l6\n\t"
241         : :
242         "m"(o0),
243         "m"(o1),
244         "m"(f0d),
245         "m"(f0f),
246         "r"(&saveReg[0])
247         );
248     switch( eReturnType )
249     {
250         case typelib_TypeClass_HYPER:
251         case typelib_TypeClass_UNSIGNED_HYPER:
252             ((long*)pRegisterReturn)[1] = o1;
253         case typelib_TypeClass_LONG:
254         case typelib_TypeClass_UNSIGNED_LONG:
255         case typelib_TypeClass_ENUM:
256             ((long*)pRegisterReturn)[0] = o0;
257             break;
258         case typelib_TypeClass_CHAR:
259         case typelib_TypeClass_SHORT:
260         case typelib_TypeClass_UNSIGNED_SHORT:
261             *(unsigned short*)pRegisterReturn = (unsigned short)o0;
262             break;
263         case typelib_TypeClass_BOOLEAN:
264         case typelib_TypeClass_BYTE:
265             *(unsigned char*)pRegisterReturn = (unsigned char)o0;
266             break;
267         case typelib_TypeClass_FLOAT:
268             *(float*)pRegisterReturn = f0f;
269             break;
270         case typelib_TypeClass_DOUBLE:
271             *(double*)pRegisterReturn = f0d;
272             break;
273         default:
274             break;
275     }
276 }
277 
278 //=================================================================================================
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)279 static void cpp_call(
280     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
281     bridges::cpp_uno::shared::VtableSlot aVtableSlot,
282     typelib_TypeDescriptionReference * pReturnTypeRef,
283     sal_Int32 nParams, typelib_MethodParameter * pParams,
284     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
285 {
286     // max space for: complex ret ptr, this, values|ptr ...
287     char * pCppStack    =
288         (char *)alloca( (nParams+2) * sizeof(sal_Int64) );
289     char * pCppStackStart   = pCppStack;
290 
291     // return
292     typelib_TypeDescription * pReturnTypeDescr = 0;
293     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
294     OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
295 
296     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
297 
298     if (pReturnTypeDescr)
299     {
300         if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
301         {
302             pCppReturn = pUnoReturn; // direct way for simple types
303             *(void**)pCppStack = NULL;
304         }
305         else
306         {
307             // complex return via ptr
308             pCppReturn = *(void **)pCppStack = (bridges::cpp_uno::shared::relatesToInterfaceType(pReturnTypeDescr )
309                                                 ? alloca( pReturnTypeDescr->nSize )
310                                                 : pUnoReturn); // direct way
311         }
312         pCppStack += sizeof(void*);
313     }
314     // push this
315     void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
316            + aVtableSlot.offset;
317            *(void**)pCppStack = pAdjustedThisPtr;
318     pCppStack += sizeof( void* );
319 
320     // stack space
321     OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
322     // args
323     void ** pCppArgs  = (void **)alloca( 3 * sizeof(void *) * nParams );
324     // indizes of values this have to be converted (interface conversion cpp<=>uno)
325     sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
326     // type descriptions for reconversions
327     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
328 
329     sal_Int32 nTempIndizes   = 0;
330 
331     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
332     {
333         const typelib_MethodParameter & rParam = pParams[nPos];
334         typelib_TypeDescription * pParamTypeDescr = 0;
335         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
336         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
337         {
338             pCppArgs[ nPos ] = CPPU_CURRENT_NAMESPACE::adjustPointer(pCppStack, pParamTypeDescr );
339 
340             switch (pParamTypeDescr->eTypeClass)
341             {
342             case typelib_TypeClass_HYPER:
343             case typelib_TypeClass_UNSIGNED_HYPER:
344             case typelib_TypeClass_DOUBLE:
345                         OSL_ASSERT( sizeof (double) == sizeof (sal_Int64) );
346                           *reinterpret_cast< sal_Int32 * >(pCppStack) =
347                           *reinterpret_cast< sal_Int32 const * >(pUnoArgs[ nPos ]);
348                           pCppStack += sizeof (sal_Int32);
349                           *reinterpret_cast< sal_Int32 * >(pCppStack) =
350                           *(reinterpret_cast< sal_Int32 const * >(pUnoArgs[ nPos ] ) + 1);
351                           break;
352                     default:
353                           uno_copyAndConvertData(
354                              pCppArgs[nPos], pUnoArgs[nPos], pParamTypeDescr,
355                             pThis->getBridge()->getUno2Cpp() );
356                           break;
357                         }
358             // no longer needed
359             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
360         }
361         else // ptr to complex value | ref
362         {
363             if (! rParam.bIn) // is pure out
364             {
365                 // cpp out is constructed mem, uno out is not!
366                 uno_constructData(
367                     *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
368                     pParamTypeDescr );
369                 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
370                 // will be released at reconversion
371                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
372             }
373             // is in/inout
374             else if (bridges::cpp_uno::shared::relatesToInterfaceType(
375                             pParamTypeDescr ))
376             {
377                 uno_copyAndConvertData(
378                     *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
379                                     pUnoArgs[nPos], pParamTypeDescr,
380                     pThis->getBridge()->getUno2Cpp() );
381 
382                 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
383                 // will be released at reconversion
384                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
385             }
386             else // direct way
387             {
388                 *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos];
389                 // no longer needed
390                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
391             }
392         }
393         pCppStack += sizeof(sal_Int32); // standard parameter length
394     }
395 
396     try
397     {
398         int nStackLongs = (pCppStack - pCppStackStart)/sizeof(sal_Int32);
399         OSL_ENSURE( !( (pCppStack - pCppStackStart ) & 3), "UNALIGNED STACK !!! (Please DO panic" );
400 
401         if( nStackLongs & 1 )
402             // stack has to be 8 byte aligned
403             nStackLongs++;
404         callVirtualMethod(
405             pAdjustedThisPtr,
406             aVtableSlot.index,
407             pCppReturn,
408             pReturnTypeDescr->eTypeClass,
409             (sal_Int32 *)pCppStackStart,
410              nStackLongs);
411         // NO exception occured...
412         *ppUnoExc = 0;
413 
414         // reconvert temporary params
415         for ( ; nTempIndizes--; )
416         {
417             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
418             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
419 
420             if (pParams[nIndex].bIn)
421             {
422                 if (pParams[nIndex].bOut) // inout
423                 {
424                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
425                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
426                                             pThis->getBridge()->getCpp2Uno() );
427                 }
428             }
429             else // pure out
430             {
431                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
432                                         pThis->getBridge()->getCpp2Uno() );
433             }
434             // destroy temp cpp param => cpp: every param was constructed
435             uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
436 
437             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
438         }
439         // return value
440         if (pCppReturn && pUnoReturn != pCppReturn)
441         {
442             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
443                                     pThis->getBridge()->getCpp2Uno() );
444             uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
445         }
446     }
447     catch( ... )
448     {
449         // get exception
450            fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions,
451                                 *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
452 
453         // temporary params
454         for ( ; nTempIndizes--; )
455         {
456             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
457             // destroy temp cpp param => cpp: every param was constructed
458             uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
459             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
460         }
461         // return type
462         if (pReturnTypeDescr)
463             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
464     }
465 }
466 
467 }
468 
469 namespace bridges { namespace cpp_uno { namespace shared {
470 
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)471 void unoInterfaceProxyDispatch(
472     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
473     void * pReturn, void * pArgs[], uno_Any ** ppException )
474 {
475 #if defined BRIDGES_DEBUG
476     OString cstr( OUStringToOString( pMemberDescr->pTypeName, RTL_TEXTENCODING_ASCII_US ) );
477     fprintf( stderr, "received dispatch( %s )\n", cstr.getStr() );
478 #endif
479 
480     // is my surrogate
481     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
482        = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
483 //  typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
484 
485     switch (pMemberDescr->eTypeClass)
486     {
487     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
488     {
489      VtableSlot aVtableSlot(
490                getVtableSlot(
491                    reinterpret_cast<
492                        typelib_InterfaceAttributeTypeDescription const * >(
493                            pMemberDescr)));
494         if (pReturn)
495         {
496             // dependent dispatch
497             cpp_call(
498                 pThis, aVtableSlot,
499                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
500                 0, 0, // no params
501                 pReturn, pArgs, ppException );
502         }
503         else
504         {
505             // is SET
506             typelib_MethodParameter aParam;
507             aParam.pTypeRef =
508                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
509             aParam.bIn      = sal_True;
510             aParam.bOut     = sal_False;
511 
512             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
513             OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
514             typelib_typedescriptionreference_new(
515                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
516 
517             // dependent dispatch
518             aVtableSlot.index += 1; // get, then set method
519             cpp_call(
520                 pThis, aVtableSlot,
521                 pReturnTypeRef,
522                 1, &aParam,
523                 pReturn, pArgs, ppException );
524 
525             typelib_typedescriptionreference_release( pReturnTypeRef );
526         }
527 
528         break;
529     }
530     case typelib_TypeClass_INTERFACE_METHOD:
531     {
532         VtableSlot aVtableSlot(
533         getVtableSlot(
534          reinterpret_cast<
535           typelib_InterfaceMethodTypeDescription const * >(
536           pMemberDescr)));
537         switch (aVtableSlot.index)
538         {
539             // standard calls
540         case 1: // acquire uno interface
541             (*pUnoI->acquire)( pUnoI );
542             *ppException = 0;
543             break;
544         case 2: // release uno interface
545             (*pUnoI->release)( pUnoI );
546             *ppException = 0;
547             break;
548         case 0: // queryInterface() opt
549         {
550             typelib_TypeDescription * pTD = 0;
551             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
552             if (pTD)
553             {
554                 uno_Interface * pInterface = 0;
555         (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
556           pThis->pBridge->getUnoEnv(),
557                    (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
558 
559                 if (pInterface)
560                 {
561                     ::uno_any_construct(
562                         reinterpret_cast< uno_Any * >( pReturn ),
563                         &pInterface, pTD, 0 );
564                     (*pInterface->release)( pInterface );
565                     TYPELIB_DANGER_RELEASE( pTD );
566                     *ppException = 0;
567                     break;
568                 }
569                 TYPELIB_DANGER_RELEASE( pTD );
570             }
571         } // else perform queryInterface()
572         default:
573             // dependent dispatch
574             cpp_call(
575                 pThis, aVtableSlot,
576                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
577                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
578                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
579                 pReturn, pArgs, ppException );
580         }
581         break;
582     }
583     default:
584     {
585         ::com::sun::star::uno::RuntimeException aExc(
586             OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
587             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
588 
589         Type const & rExcType = ::getCppuType( &aExc );
590         // binary identical null reference
591         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
592     }
593     }
594 }
595 
596 } } }
597