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 <typeinfo>
28 #include <exception>
29 #include <cstddef>
30 #include <cxxabi.h>
31 #include <stdio.h>
32 #include <stdlib.h>
33 #include <string.h>
34
35 #include "rtl/alloc.h"
36 #include "rtl/ustrbuf.hxx"
37
38 #include <com/sun/star/uno/genfunc.hxx>
39 #include "com/sun/star/uno/RuntimeException.hpp"
40 #include <uno/data.h>
41
42 #include <bridges/cpp_uno/shared/bridge.hxx>
43 #include <bridges/cpp_uno/shared/types.hxx>
44 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
45 #include "bridges/cpp_uno/shared/vtables.hxx"
46
47 #include "abi.hxx"
48 #include "share.hxx"
49
50 using namespace ::rtl;
51 using namespace ::com::sun::star::uno;
52 #ifdef __GLIBCXX__
53 using CPPU_CURRENT_NAMESPACE::__cxa_get_globals;
54 #else
55 using __cxxabiv1::__cxa_get_globals;
56 #endif
57
58 //==================================================================================================
59 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
60 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
61 sal_uInt64 *pStack, sal_uInt32 nStack,
62 sal_uInt64 *pGPR, sal_uInt32 nGPR,
63 double *pFPR, sal_uInt32 nFPR) __attribute__((noinline));
64
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)65 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
66 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
67 sal_uInt64 *pStack, sal_uInt32 nStack,
68 sal_uInt64 *pGPR, sal_uInt32 nGPR,
69 double *pFPR, sal_uInt32 nFPR)
70 {
71 #if OSL_DEBUG_LEVEL > 1
72 // Let's figure out what is really going on here
73 {
74 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
75 for ( unsigned int i = 0; i < nGPR; ++i )
76 fprintf( stderr, "0x%lx, ", pGPR[i] );
77 fprintf( stderr, "\nFPR's (%d): ", nFPR );
78 for ( unsigned int i = 0; i < nFPR; ++i )
79 fprintf( stderr, "%f, ", pFPR[i] );
80 fprintf( stderr, "\nStack (%d): ", nStack );
81 for ( unsigned int i = 0; i < nStack; ++i )
82 fprintf( stderr, "0x%lx, ", pStack[i] );
83 fprintf( stderr, "\n" );
84 }
85 #endif
86
87 // The call instruction within the asm section of callVirtualMethod may throw
88 // exceptions. So that the compiler handles this correctly, it is important
89 // that (a) callVirtualMethod might call dummy_can_throw_anything (although this
90 // never happens at runtime), which in turn can throw exceptions, and (b)
91 // callVirtualMethod is not inlined at its call site (so that any exceptions are
92 // caught which are thrown from the instruction calling callVirtualMethod):
93 if ( !pThis )
94 CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything( "xxx" ); // address something
95
96 // Should not happen, but...
97 if ( nFPR > x86_64::MAX_SSE_REGS )
98 nFPR = x86_64::MAX_SSE_REGS;
99 if ( nGPR > x86_64::MAX_GPR_REGS )
100 nGPR = x86_64::MAX_GPR_REGS;
101
102 // Get pointer to method
103 sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
104 pMethod += 8 * nVtableIndex;
105 pMethod = *((sal_uInt64 *)pMethod);
106
107 // Load parameters to stack, if necessary
108 sal_uInt64* pCallStack = NULL;
109 if ( nStack )
110 {
111 // 16-bytes aligned
112 sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16;
113 pCallStack = (sal_uInt64*) __builtin_alloca( nStackBytes );
114 memcpy( pCallStack, pStack, nStackBytes );
115 }
116
117 // Return values
118 sal_uInt64 rax;
119 sal_uInt64 rdx;
120 double xmm0;
121 double xmm1;
122
123 asm volatile (
124 // Fill the xmm registers
125 "movq %2, %%rax\n\t"
126
127 "movsd (%%rax), %%xmm0\n\t"
128 "movsd 8(%%rax), %%xmm1\n\t"
129 "movsd 16(%%rax), %%xmm2\n\t"
130 "movsd 24(%%rax), %%xmm3\n\t"
131 "movsd 32(%%rax), %%xmm4\n\t"
132 "movsd 40(%%rax), %%xmm5\n\t"
133 "movsd 48(%%rax), %%xmm6\n\t"
134 "movsd 56(%%rax), %%xmm7\n\t"
135
136 // Fill the general purpose registers
137 "movq %1, %%rax\n\t"
138
139 "movq (%%rax), %%rdi\n\t"
140 "movq 8(%%rax), %%rsi\n\t"
141 "movq 16(%%rax), %%rdx\n\t"
142 "movq 24(%%rax), %%rcx\n\t"
143 "movq 32(%%rax), %%r8\n\t"
144 "movq 40(%%rax), %%r9\n\t"
145
146 // Perform the call
147 "movq %0, %%r11\n\t"
148 "movq %3, %%rax\n\t"
149 "call *%%r11\n\t"
150
151 // Fill the return values
152 "movq %%rax, %4\n\t"
153 "movq %%rdx, %5\n\t"
154 "movsd %%xmm0, %6\n\t"
155 "movsd %%xmm1, %7\n\t"
156 :
157 : "m" ( pMethod ), "m" ( pGPR ), "m" ( pFPR ), "m" ( nFPR ),
158 "m" ( rax ), "m" ( rdx ), "m" ( xmm0 ), "m" ( xmm1 ),
159 "m" (pCallStack) // dummy input to prevent the compiler from optimizing the alloca out
160 : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r11"
161 );
162
163 switch (pReturnTypeRef->eTypeClass)
164 {
165 case typelib_TypeClass_HYPER:
166 case typelib_TypeClass_UNSIGNED_HYPER:
167 *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = rax;
168 break;
169 case typelib_TypeClass_LONG:
170 case typelib_TypeClass_UNSIGNED_LONG:
171 case typelib_TypeClass_ENUM:
172 *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32*>( &rax );
173 break;
174 case typelib_TypeClass_CHAR:
175 case typelib_TypeClass_SHORT:
176 case typelib_TypeClass_UNSIGNED_SHORT:
177 *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16*>( &rax );
178 break;
179 case typelib_TypeClass_BOOLEAN:
180 case typelib_TypeClass_BYTE:
181 *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8*>( &rax );
182 break;
183 case typelib_TypeClass_FLOAT:
184 case typelib_TypeClass_DOUBLE:
185 *reinterpret_cast<double *>( pRegisterReturn ) = xmm0;
186 break;
187 default:
188 {
189 sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
190 if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
191 {
192 sal_uInt64 longs[2];
193 longs[0] = rax;
194 longs[1] = rdx;
195
196 double doubles[2];
197 doubles[0] = xmm0;
198 doubles[1] = xmm1;
199 x86_64::fill_struct( pReturnTypeRef, &longs[0], &doubles[0], pRegisterReturn);
200 }
201 break;
202 }
203 }
204 }
205
206 //==================================================================================================
207
208 // Macros for easier insertion of values to registers or stack
209 // pSV - pointer to the source
210 // nr - order of the value [will be increased if stored to register]
211 // pFPR, pGPR - pointer to the registers
212 // pDS - pointer to the stack [will be increased if stored here]
213
214 // The value in %xmm register is already prepared to be retrieved as a float,
215 // thus we treat float and double the same
216 #define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \
217 if ( nr < x86_64::MAX_SSE_REGS ) \
218 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
219 else \
220 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
221
222 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \
223 if ( nr < x86_64::MAX_GPR_REGS ) \
224 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
225 else \
226 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
227
228 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \
229 if ( nr < x86_64::MAX_GPR_REGS ) \
230 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
231 else \
232 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
233
234 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \
235 if ( nr < x86_64::MAX_GPR_REGS ) \
236 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
237 else \
238 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
239
240 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \
241 if ( nr < x86_64::MAX_GPR_REGS ) \
242 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
243 else \
244 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
245
246 //==================================================================================================
247
248 namespace {
249
appendCString(OUStringBuffer & buffer,char const * text)250 void appendCString(OUStringBuffer & buffer, char const * text) {
251 if (text != 0) {
252 buffer.append(
253 OStringToOUString(OString(text), RTL_TEXTENCODING_ISO_8859_1));
254 // use 8859-1 to avoid conversion failure
255 }
256 }
257
258 }
259
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)260 static void cpp_call(
261 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
262 bridges::cpp_uno::shared::VtableSlot aVtableSlot,
263 typelib_TypeDescriptionReference * pReturnTypeRef,
264 sal_Int32 nParams, typelib_MethodParameter * pParams,
265 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
266 {
267 // Maxium space for [complex ret ptr], values | ptr ...
268 // (but will be used less - some of the values will be in pGPR and pFPR)
269 sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) );
270 sal_uInt64 *pStackStart = pStack;
271
272 sal_uInt64 pGPR[x86_64::MAX_GPR_REGS];
273 sal_uInt32 nGPR = 0;
274
275 double pFPR[x86_64::MAX_SSE_REGS];
276 sal_uInt32 nFPR = 0;
277
278 // Return
279 typelib_TypeDescription * pReturnTypeDescr = 0;
280 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
281 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
282
283 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion (see below)
284
285 bool bSimpleReturn = true;
286 if ( pReturnTypeDescr )
287 {
288 if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
289 bSimpleReturn = false;
290
291 if ( bSimpleReturn )
292 pCppReturn = pUnoReturn; // direct way for simple types
293 else
294 {
295 // complex return via ptr
296 pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
297 __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
298 INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack );
299 }
300 }
301
302 // Push "this" pointer
303 void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
304 INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
305
306 // Args
307 void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
308 // Indizes of values this have to be converted (interface conversion cpp<=>uno)
309 sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
310 // Type descriptions for reconversions
311 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
312
313 sal_Int32 nTempIndizes = 0;
314
315 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
316 {
317 const typelib_MethodParameter & rParam = pParams[nPos];
318 typelib_TypeDescription * pParamTypeDescr = 0;
319 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
320
321 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
322 {
323 uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
324 pThis->getBridge()->getUno2Cpp() );
325
326 switch (pParamTypeDescr->eTypeClass)
327 {
328 case typelib_TypeClass_HYPER:
329 case typelib_TypeClass_UNSIGNED_HYPER:
330 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
331 break;
332 case typelib_TypeClass_LONG:
333 case typelib_TypeClass_UNSIGNED_LONG:
334 case typelib_TypeClass_ENUM:
335 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
336 break;
337 case typelib_TypeClass_SHORT:
338 case typelib_TypeClass_CHAR:
339 case typelib_TypeClass_UNSIGNED_SHORT:
340 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
341 break;
342 case typelib_TypeClass_BOOLEAN:
343 case typelib_TypeClass_BYTE:
344 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
345 break;
346 case typelib_TypeClass_FLOAT:
347 case typelib_TypeClass_DOUBLE:
348 INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
349 break;
350 default:
351 break;
352 }
353
354 // no longer needed
355 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
356 }
357 else // ptr to complex value | ref
358 {
359 if (! rParam.bIn) // is pure out
360 {
361 // cpp out is constructed mem, uno out is not!
362 uno_constructData(
363 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
364 pParamTypeDescr );
365 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
366 // will be released at reconversion
367 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
368 }
369 // is in/inout
370 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
371 {
372 uno_copyAndConvertData(
373 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
374 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
375
376 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
377 // will be released at reconversion
378 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
379 }
380 else // direct way
381 {
382 pCppArgs[nPos] = pUnoArgs[nPos];
383 // no longer needed
384 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
385 }
386 INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
387 }
388 }
389
390 try
391 {
392 try {
393 callVirtualMethod(
394 pAdjustedThisPtr, aVtableSlot.index,
395 pCppReturn, pReturnTypeRef, bSimpleReturn,
396 pStackStart, ( pStack - pStackStart ),
397 pGPR, nGPR,
398 pFPR, nFPR );
399 } catch (Exception &) {
400 throw;
401 } catch (std::exception & e) {
402 OUStringBuffer buf;
403 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("C++ code threw "));
404 appendCString(buf, typeid(e).name());
405 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM(": "));
406 appendCString(buf, e.what());
407 throw RuntimeException(
408 buf.makeStringAndClear(), Reference< XInterface >());
409 } catch (...) {
410 throw RuntimeException(
411 OUString(
412 RTL_CONSTASCII_USTRINGPARAM(
413 "C++ code threw unknown exception")),
414 Reference< XInterface >());
415 }
416
417 // NO exception occured...
418 *ppUnoExc = 0;
419
420 // reconvert temporary params
421 for ( ; nTempIndizes--; )
422 {
423 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
424 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
425
426 if (pParams[nIndex].bIn)
427 {
428 if (pParams[nIndex].bOut) // inout
429 {
430 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
431 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
432 pThis->getBridge()->getCpp2Uno() );
433 }
434 }
435 else // pure out
436 {
437 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
438 pThis->getBridge()->getCpp2Uno() );
439 }
440 // destroy temp cpp param => cpp: every param was constructed
441 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
442
443 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
444 }
445 // return value
446 if (pCppReturn && pUnoReturn != pCppReturn)
447 {
448 uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
449 pThis->getBridge()->getCpp2Uno() );
450 uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
451 }
452 }
453 catch (...)
454 {
455 // fill uno exception
456 CPPU_CURRENT_NAMESPACE::fillUnoException( __cxa_get_globals()->caughtExceptions, *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
457
458 // temporary params
459 for ( ; nTempIndizes--; )
460 {
461 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
462 // destroy temp cpp param => cpp: every param was constructed
463 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
464 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
465 }
466 // return type
467 if (pReturnTypeDescr)
468 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
469 }
470 }
471
472 //==================================================================================================
473
474 namespace bridges { namespace cpp_uno { namespace shared {
475
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)476 void unoInterfaceProxyDispatch(
477 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
478 void * pReturn, void * pArgs[], uno_Any ** ppException )
479 {
480 // is my surrogate
481 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
482 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
483 #if OSL_DEBUG_LEVEL > 0
484 typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
485 #endif
486
487 switch (pMemberDescr->eTypeClass)
488 {
489 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
490 {
491 #if OSL_DEBUG_LEVEL > 0
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 #endif
496 VtableSlot aVtableSlot(
497 getVtableSlot(
498 reinterpret_cast<
499 typelib_InterfaceAttributeTypeDescription const * >(
500 pMemberDescr)));
501
502 if (pReturn)
503 {
504 // dependent dispatch
505 cpp_call(
506 pThis, aVtableSlot,
507 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
508 0, 0, // no params
509 pReturn, pArgs, ppException );
510 }
511 else
512 {
513 // is SET
514 typelib_MethodParameter aParam;
515 aParam.pTypeRef =
516 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
517 aParam.bIn = sal_True;
518 aParam.bOut = sal_False;
519
520 typelib_TypeDescriptionReference * pReturnTypeRef = 0;
521 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
522 typelib_typedescriptionreference_new(
523 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
524
525 // dependent dispatch
526 aVtableSlot.index += 1; // get, then set method
527 cpp_call(
528 pThis, aVtableSlot, // get, then set method
529 pReturnTypeRef,
530 1, &aParam,
531 pReturn, pArgs, ppException );
532
533 typelib_typedescriptionreference_release( pReturnTypeRef );
534 }
535
536 break;
537 }
538 case typelib_TypeClass_INTERFACE_METHOD:
539 {
540 #if OSL_DEBUG_LEVEL > 0
541 // determine vtable call index
542 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
543 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
544 #endif
545 VtableSlot aVtableSlot(
546 getVtableSlot(
547 reinterpret_cast<
548 typelib_InterfaceMethodTypeDescription const * >(
549 pMemberDescr)));
550
551 switch (aVtableSlot.index)
552 {
553 // standard calls
554 case 1: // acquire uno interface
555 (*pUnoI->acquire)( pUnoI );
556 *ppException = 0;
557 break;
558 case 2: // release uno interface
559 (*pUnoI->release)( pUnoI );
560 *ppException = 0;
561 break;
562 case 0: // queryInterface() opt
563 {
564 typelib_TypeDescription * pTD = 0;
565 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
566 if (pTD)
567 {
568 uno_Interface * pInterface = 0;
569 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
570 pThis->getBridge()->getUnoEnv(),
571 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
572
573 if (pInterface)
574 {
575 ::uno_any_construct(
576 reinterpret_cast< uno_Any * >( pReturn ),
577 &pInterface, pTD, 0 );
578 (*pInterface->release)( pInterface );
579 TYPELIB_DANGER_RELEASE( pTD );
580 *ppException = 0;
581 break;
582 }
583 TYPELIB_DANGER_RELEASE( pTD );
584 }
585 } // else perform queryInterface()
586 default:
587 // dependent dispatch
588 cpp_call(
589 pThis, aVtableSlot,
590 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
591 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
592 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
593 pReturn, pArgs, ppException );
594 }
595 break;
596 }
597 default:
598 {
599 ::com::sun::star::uno::RuntimeException aExc(
600 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
601 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
602
603 Type const & rExcType = ::getCppuType( &aExc );
604 // binary identical null reference
605 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
606 }
607 }
608 }
609
610 } } }
611