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
27 #include <exception>
28 #include <typeinfo>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32
33 #include "rtl/alloc.h"
34 #include "rtl/ustrbuf.hxx"
35
36 #include <com/sun/star/uno/genfunc.hxx>
37 #include "com/sun/star/uno/RuntimeException.hpp"
38 #include <uno/data.h>
39
40 #include <bridges/cpp_uno/shared/bridge.hxx>
41 #include <bridges/cpp_uno/shared/types.hxx>
42 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
43 #include "bridges/cpp_uno/shared/vtables.hxx"
44
45 #include "abi.hxx"
46 #include "share.hxx"
47
48 using namespace ::rtl;
49 using namespace ::com::sun::star::uno;
50
51 //==================================================================================================
52 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
53 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
54 sal_uInt64 *pStack, sal_uInt32 nStack,
55 sal_uInt64 *pGPR, sal_uInt32 nGPR,
56 double *pFPR, sal_uInt32 nFPR) __attribute__((noinline));
57
callVirtualMethod(void * pThis,sal_uInt32 nVtableIndex,void * pRegisterReturn,typelib_TypeDescriptionReference * pReturnTypeRef,bool bSimpleReturn,sal_uInt64 * pStack,sal_uInt32 nStack,sal_uInt64 * pGPR,sal_uInt32 nGPR,double * pFPR,sal_uInt32 nFPR)58 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
59 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
60 sal_uInt64 *pStack, sal_uInt32 nStack,
61 sal_uInt64 *pGPR, sal_uInt32 nGPR,
62 double *pFPR, sal_uInt32 nFPR)
63 {
64 #if OSL_DEBUG_LEVEL > 1
65 // Let's figure out what is really going on here
66 {
67 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
68 for ( unsigned int i = 0; i < nGPR; ++i )
69 fprintf( stderr, "0x%lx, ", pGPR[i] );
70 fprintf( stderr, "\nFPR's (%d): ", nFPR );
71 for ( unsigned int i = 0; i < nFPR; ++i )
72 fprintf( stderr, "%f, ", pFPR[i] );
73 fprintf( stderr, "\nStack (%d): ", nStack );
74 for ( unsigned int i = 0; i < nStack; ++i )
75 fprintf( stderr, "0x%lx, ", pStack[i] );
76 fprintf( stderr, "\n" );
77 }
78 #endif
79
80 // The call instruction within the asm section of callVirtualMethod may throw
81 // exceptions. So that the compiler handles this correctly, it is important
82 // that (a) callVirtualMethod might call dummy_can_throw_anything (although this
83 // never happens at runtime), which in turn can throw exceptions, and (b)
84 // callVirtualMethod is not inlined at its call site (so that any exceptions are
85 // caught which are thrown from the instruction calling callVirtualMethod):
86 if ( !pThis )
87 CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything( "xxx" ); // address something
88
89 // Should not happen, but...
90 if ( nFPR > x86_64::MAX_SSE_REGS )
91 nFPR = x86_64::MAX_SSE_REGS;
92 if ( nGPR > x86_64::MAX_GPR_REGS )
93 nGPR = x86_64::MAX_GPR_REGS;
94
95 // Get pointer to method
96 sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
97 pMethod += 8 * nVtableIndex;
98 pMethod = *((sal_uInt64 *)pMethod);
99
100 // Load parameters to stack, if necessary
101 sal_uInt64* pCallStack = NULL;
102 if ( nStack )
103 {
104 // 16-bytes aligned
105 sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16;
106 pCallStack = (sal_uInt64*) __builtin_alloca( nStackBytes );
107 memcpy( pCallStack, pStack, nStackBytes );
108 }
109
110 // Return values
111 sal_uInt64 rax;
112 sal_uInt64 rdx;
113 double xmm0;
114 double xmm1;
115
116 asm volatile (
117 // Fill the xmm registers
118 "movq %2, %%rax\n\t"
119
120 "movsd (%%rax), %%xmm0\n\t"
121 "movsd 8(%%rax), %%xmm1\n\t"
122 "movsd 16(%%rax), %%xmm2\n\t"
123 "movsd 24(%%rax), %%xmm3\n\t"
124 "movsd 32(%%rax), %%xmm4\n\t"
125 "movsd 40(%%rax), %%xmm5\n\t"
126 "movsd 48(%%rax), %%xmm6\n\t"
127 "movsd 56(%%rax), %%xmm7\n\t"
128
129 // Fill the general purpose registers
130 "movq %1, %%rax\n\t"
131
132 "movq (%%rax), %%rdi\n\t"
133 "movq 8(%%rax), %%rsi\n\t"
134 "movq 16(%%rax), %%rdx\n\t"
135 "movq 24(%%rax), %%rcx\n\t"
136 "movq 32(%%rax), %%r8\n\t"
137 "movq 40(%%rax), %%r9\n\t"
138
139 // Perform the call
140 "movq %0, %%r11\n\t"
141 "movq %3, %%rax\n\t"
142 "call *%%r11\n\t"
143
144 // Fill the return values
145 "movq %%rax, %4\n\t"
146 "movq %%rdx, %5\n\t"
147 "movsd %%xmm0, %6\n\t"
148 "movsd %%xmm1, %7\n\t"
149 :
150 : "m" ( pMethod ), "m" ( pGPR ), "m" ( pFPR ), "m" ( nFPR ),
151 "m" ( rax ), "m" ( rdx ), "m" ( xmm0 ), "m" ( xmm1 ),
152 "m" (pCallStack) // dummy input to prevent the compiler from optimizing the alloca out
153 : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r11",
154 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
155 );
156
157 switch (pReturnTypeRef->eTypeClass)
158 {
159 case typelib_TypeClass_HYPER:
160 case typelib_TypeClass_UNSIGNED_HYPER:
161 *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = rax;
162 break;
163 case typelib_TypeClass_LONG:
164 case typelib_TypeClass_UNSIGNED_LONG:
165 case typelib_TypeClass_ENUM:
166 *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32*>( &rax );
167 break;
168 case typelib_TypeClass_CHAR:
169 case typelib_TypeClass_SHORT:
170 case typelib_TypeClass_UNSIGNED_SHORT:
171 *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16*>( &rax );
172 break;
173 case typelib_TypeClass_BOOLEAN:
174 case typelib_TypeClass_BYTE:
175 *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8*>( &rax );
176 break;
177 case typelib_TypeClass_FLOAT:
178 case typelib_TypeClass_DOUBLE:
179 *reinterpret_cast<double *>( pRegisterReturn ) = xmm0;
180 break;
181 default:
182 {
183 sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
184 if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
185 {
186 sal_uInt64 longs[2];
187 longs[0] = rax;
188 longs[1] = rdx;
189
190 double doubles[2];
191 doubles[0] = xmm0;
192 doubles[1] = xmm1;
193 x86_64::fill_struct( pReturnTypeRef, &longs[0], &doubles[0], pRegisterReturn);
194 }
195 break;
196 }
197 }
198 }
199
200 //==================================================================================================
201
202 // Macros for easier insertion of values to registers or stack
203 // pSV - pointer to the source
204 // nr - order of the value [will be increased if stored to register]
205 // pFPR, pGPR - pointer to the registers
206 // pDS - pointer to the stack [will be increased if stored here]
207
208 // The value in %xmm register is already prepared to be retrieved as a float,
209 // thus we treat float and double the same
210 #define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \
211 if ( nr < x86_64::MAX_SSE_REGS ) \
212 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
213 else \
214 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
215
216 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \
217 if ( nr < x86_64::MAX_GPR_REGS ) \
218 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
219 else \
220 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
221
222 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \
223 if ( nr < x86_64::MAX_GPR_REGS ) \
224 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
225 else \
226 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
227
228 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \
229 if ( nr < x86_64::MAX_GPR_REGS ) \
230 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
231 else \
232 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
233
234 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \
235 if ( nr < x86_64::MAX_GPR_REGS ) \
236 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
237 else \
238 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
239
240 //==================================================================================================
241
242 namespace {
243
appendCString(OUStringBuffer & buffer,char const * text)244 void appendCString(OUStringBuffer & buffer, char const * text) {
245 if (text != 0) {
246 buffer.append(
247 OStringToOUString(OString(text), RTL_TEXTENCODING_ISO_8859_1));
248 // use 8859-1 to avoid conversion failure
249 }
250 }
251
252 }
253
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)254 static void cpp_call(
255 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
256 bridges::cpp_uno::shared::VtableSlot aVtableSlot,
257 typelib_TypeDescriptionReference * pReturnTypeRef,
258 sal_Int32 nParams, typelib_MethodParameter * pParams,
259 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
260 {
261 // Maxium space for [complex ret ptr], values | ptr ...
262 // (but will be used less - some of the values will be in pGPR and pFPR)
263 sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) );
264 sal_uInt64 *pStackStart = pStack;
265
266 sal_uInt64 pGPR[x86_64::MAX_GPR_REGS];
267 sal_uInt32 nGPR = 0;
268
269 double pFPR[x86_64::MAX_SSE_REGS];
270 sal_uInt32 nFPR = 0;
271
272 // Return
273 typelib_TypeDescription * pReturnTypeDescr = 0;
274 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
275 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
276
277 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion (see below)
278
279 bool bSimpleReturn = true;
280 if ( pReturnTypeDescr )
281 {
282 if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
283 bSimpleReturn = false;
284
285 if ( bSimpleReturn )
286 pCppReturn = pUnoReturn; // direct way for simple types
287 else
288 {
289 // complex return via ptr
290 pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
291 __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
292 INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack );
293 }
294 }
295
296 // Push "this" pointer
297 void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
298 INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
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 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
310 {
311 const typelib_MethodParameter & rParam = pParams[nPos];
312 typelib_TypeDescription * pParamTypeDescr = 0;
313 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
314
315 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
316 {
317 uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
318 pThis->getBridge()->getUno2Cpp() );
319
320 switch (pParamTypeDescr->eTypeClass)
321 {
322 case typelib_TypeClass_HYPER:
323 case typelib_TypeClass_UNSIGNED_HYPER:
324 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
325 break;
326 case typelib_TypeClass_LONG:
327 case typelib_TypeClass_UNSIGNED_LONG:
328 case typelib_TypeClass_ENUM:
329 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
330 break;
331 case typelib_TypeClass_SHORT:
332 case typelib_TypeClass_CHAR:
333 case typelib_TypeClass_UNSIGNED_SHORT:
334 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
335 break;
336 case typelib_TypeClass_BOOLEAN:
337 case typelib_TypeClass_BYTE:
338 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
339 break;
340 case typelib_TypeClass_FLOAT:
341 case typelib_TypeClass_DOUBLE:
342 INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
343 break;
344 default:
345 break;
346 }
347
348 // no longer needed
349 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
350 }
351 else // ptr to complex value | ref
352 {
353 if (! rParam.bIn) // is pure out
354 {
355 // cpp out is constructed mem, uno out is not!
356 uno_constructData(
357 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
358 pParamTypeDescr );
359 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
360 // will be released at reconversion
361 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
362 }
363 // is in/inout
364 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
365 {
366 uno_copyAndConvertData(
367 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
368 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
369
370 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
371 // will be released at reconversion
372 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
373 }
374 else // direct way
375 {
376 pCppArgs[nPos] = pUnoArgs[nPos];
377 // no longer needed
378 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
379 }
380 INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
381 }
382 }
383
384 try
385 {
386 try {
387 callVirtualMethod(
388 pAdjustedThisPtr, aVtableSlot.index,
389 pCppReturn, pReturnTypeRef, bSimpleReturn,
390 pStackStart, ( pStack - pStackStart ),
391 pGPR, nGPR,
392 pFPR, nFPR );
393 } catch (Exception &) {
394 throw;
395 } catch (std::exception & e) {
396 OUStringBuffer buf;
397 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("C++ code threw "));
398 appendCString(buf, typeid(e).name());
399 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM(": "));
400 appendCString(buf, e.what());
401 throw RuntimeException(
402 buf.makeStringAndClear(), Reference< XInterface >());
403 } catch (...) {
404 throw RuntimeException(
405 OUString(
406 RTL_CONSTASCII_USTRINGPARAM(
407 "C++ code threw unknown exception")),
408 Reference< XInterface >());
409 }
410
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 // fill uno exception
450 fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions, *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
451
452 // temporary params
453 for ( ; nTempIndizes--; )
454 {
455 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
456 // destroy temp cpp param => cpp: every param was constructed
457 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
458 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
459 }
460 // return type
461 if (pReturnTypeDescr)
462 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
463 }
464 }
465
466 //==================================================================================================
467
468 namespace bridges { namespace cpp_uno { namespace shared {
469
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)470 void unoInterfaceProxyDispatch(
471 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
472 void * pReturn, void * pArgs[], uno_Any ** ppException )
473 {
474 // is my surrogate
475 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
476 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
477 #if OSL_DEBUG_LEVEL > 0
478 typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
479 #endif
480
481 switch (pMemberDescr->eTypeClass)
482 {
483 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
484 {
485 #if OSL_DEBUG_LEVEL > 0
486 // determine vtable call index
487 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
488 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
489 #endif
490 VtableSlot aVtableSlot(
491 getVtableSlot(
492 reinterpret_cast<
493 typelib_InterfaceAttributeTypeDescription const * >(
494 pMemberDescr)));
495
496 if (pReturn)
497 {
498 // dependent dispatch
499 cpp_call(
500 pThis, aVtableSlot,
501 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
502 0, 0, // no params
503 pReturn, pArgs, ppException );
504 }
505 else
506 {
507 // is SET
508 typelib_MethodParameter aParam;
509 aParam.pTypeRef =
510 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
511 aParam.bIn = sal_True;
512 aParam.bOut = sal_False;
513
514 typelib_TypeDescriptionReference * pReturnTypeRef = 0;
515 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
516 typelib_typedescriptionreference_new(
517 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
518
519 // dependent dispatch
520 aVtableSlot.index += 1; // get, then set method
521 cpp_call(
522 pThis, aVtableSlot, // get, then set method
523 pReturnTypeRef,
524 1, &aParam,
525 pReturn, pArgs, ppException );
526
527 typelib_typedescriptionreference_release( pReturnTypeRef );
528 }
529
530 break;
531 }
532 case typelib_TypeClass_INTERFACE_METHOD:
533 {
534 #if OSL_DEBUG_LEVEL > 0
535 // determine vtable call index
536 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
537 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
538 #endif
539 VtableSlot aVtableSlot(
540 getVtableSlot(
541 reinterpret_cast<
542 typelib_InterfaceMethodTypeDescription const * >(
543 pMemberDescr)));
544
545 switch (aVtableSlot.index)
546 {
547 // standard calls
548 case 1: // acquire uno interface
549 (*pUnoI->acquire)( pUnoI );
550 *ppException = 0;
551 break;
552 case 2: // release uno interface
553 (*pUnoI->release)( pUnoI );
554 *ppException = 0;
555 break;
556 case 0: // queryInterface() opt
557 {
558 typelib_TypeDescription * pTD = 0;
559 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
560 if (pTD)
561 {
562 uno_Interface * pInterface = 0;
563 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
564 pThis->getBridge()->getUnoEnv(),
565 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
566
567 if (pInterface)
568 {
569 ::uno_any_construct(
570 reinterpret_cast< uno_Any * >( pReturn ),
571 &pInterface, pTD, 0 );
572 (*pInterface->release)( pInterface );
573 TYPELIB_DANGER_RELEASE( pTD );
574 *ppException = 0;
575 break;
576 }
577 TYPELIB_DANGER_RELEASE( pTD );
578 }
579 } // else perform queryInterface()
580 default:
581 // dependent dispatch
582 cpp_call(
583 pThis, aVtableSlot,
584 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
585 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
586 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
587 pReturn, pArgs, ppException );
588 }
589 break;
590 }
591 default:
592 {
593 ::com::sun::star::uno::RuntimeException aExc(
594 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
595 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
596
597 Type const & rExcType = ::getCppuType( &aExc );
598 // binary identical null reference
599 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
600 }
601 }
602 }
603
604 } } }
605