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_exception;
54 using CPPU_CURRENT_NAMESPACE::__cxa_get_globals;
55 #else
56 using __cxxabiv1::__cxa_exception;
57 using __cxxabiv1::__cxa_current_primary_exception;
58 using __cxxabiv1::__cxa_decrement_exception_refcount;
59 #endif
60
61 //==================================================================================================
62 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
63 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
64 sal_uInt64 *pStack, sal_uInt32 nStack,
65 sal_uInt64 *pGPR, sal_uInt32 nGPR,
66 double *pFPR, sal_uInt32 nFPR) __attribute__((noinline));
67
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)68 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
69 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
70 sal_uInt64 *pStack, sal_uInt32 nStack,
71 sal_uInt64 *pGPR, sal_uInt32 nGPR,
72 double *pFPR, sal_uInt32 nFPR)
73 {
74 #if OSL_DEBUG_LEVEL > 1
75 // Let's figure out what is really going on here
76 {
77 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
78 for ( unsigned int i = 0; i < nGPR; ++i )
79 fprintf( stderr, "0x%lx, ", pGPR[i] );
80 fprintf( stderr, "\nFPR's (%d): ", nFPR );
81 for ( unsigned int i = 0; i < nFPR; ++i )
82 fprintf( stderr, "%f, ", pFPR[i] );
83 fprintf( stderr, "\nStack (%d): ", nStack );
84 for ( unsigned int i = 0; i < nStack; ++i )
85 fprintf( stderr, "0x%lx, ", pStack[i] );
86 fprintf( stderr, "\n" );
87 }
88 #endif
89
90 // The call instruction within the asm section of callVirtualMethod may throw
91 // exceptions. So that the compiler handles this correctly, it is important
92 // that (a) callVirtualMethod might call dummy_can_throw_anything (although this
93 // never happens at runtime), which in turn can throw exceptions, and (b)
94 // callVirtualMethod is not inlined at its call site (so that any exceptions are
95 // caught which are thrown from the instruction calling callVirtualMethod):
96 if ( !pThis )
97 CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything( "xxx" ); // address something
98
99 // Should not happen, but...
100 if ( nFPR > x86_64::MAX_SSE_REGS )
101 nFPR = x86_64::MAX_SSE_REGS;
102 if ( nGPR > x86_64::MAX_GPR_REGS )
103 nGPR = x86_64::MAX_GPR_REGS;
104
105 // Get pointer to method
106 sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
107 pMethod += 8 * nVtableIndex;
108 pMethod = *((sal_uInt64 *)pMethod);
109
110 // Load parameters to stack, if necessary
111 sal_uInt64* pCallStack = NULL;
112 if ( nStack )
113 {
114 // 16-bytes aligned
115 sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16;
116 pCallStack = (sal_uInt64*) __builtin_alloca( nStackBytes );
117 memcpy( pCallStack, pStack, nStackBytes );
118 }
119
120 // Return values
121 sal_uInt64 rax;
122 sal_uInt64 rdx;
123 double xmm0;
124 double xmm1;
125
126 asm volatile (
127 // Fill the xmm registers
128 "movq %2, %%rax\n\t"
129
130 "movsd (%%rax), %%xmm0\n\t"
131 "movsd 8(%%rax), %%xmm1\n\t"
132 "movsd 16(%%rax), %%xmm2\n\t"
133 "movsd 24(%%rax), %%xmm3\n\t"
134 "movsd 32(%%rax), %%xmm4\n\t"
135 "movsd 40(%%rax), %%xmm5\n\t"
136 "movsd 48(%%rax), %%xmm6\n\t"
137 "movsd 56(%%rax), %%xmm7\n\t"
138
139 // Fill the general purpose registers
140 "movq %1, %%rax\n\t"
141
142 "movq (%%rax), %%rdi\n\t"
143 "movq 8(%%rax), %%rsi\n\t"
144 "movq 16(%%rax), %%rdx\n\t"
145 "movq 24(%%rax), %%rcx\n\t"
146 "movq 32(%%rax), %%r8\n\t"
147 "movq 40(%%rax), %%r9\n\t"
148
149 // Perform the call
150 "movq %0, %%r11\n\t"
151 "movq %3, %%rax\n\t"
152 "call *%%r11\n\t"
153
154 // Fill the return values
155 "movq %%rax, %4\n\t"
156 "movq %%rdx, %5\n\t"
157 "movsd %%xmm0, %6\n\t"
158 "movsd %%xmm1, %7\n\t"
159 :
160 : "m" ( pMethod ), "m" ( pGPR ), "m" ( pFPR ), "m" ( nFPR ),
161 "m" ( rax ), "m" ( rdx ), "m" ( xmm0 ), "m" ( xmm1 ),
162 "m" (pCallStack) // dummy input to prevent the compiler from optimizing the alloca out
163 : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r11"
164 );
165
166 switch (pReturnTypeRef->eTypeClass)
167 {
168 case typelib_TypeClass_HYPER:
169 case typelib_TypeClass_UNSIGNED_HYPER:
170 *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = rax;
171 break;
172 case typelib_TypeClass_LONG:
173 case typelib_TypeClass_UNSIGNED_LONG:
174 case typelib_TypeClass_ENUM:
175 *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32*>( &rax );
176 break;
177 case typelib_TypeClass_CHAR:
178 case typelib_TypeClass_SHORT:
179 case typelib_TypeClass_UNSIGNED_SHORT:
180 *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16*>( &rax );
181 break;
182 case typelib_TypeClass_BOOLEAN:
183 case typelib_TypeClass_BYTE:
184 *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8*>( &rax );
185 break;
186 case typelib_TypeClass_FLOAT:
187 case typelib_TypeClass_DOUBLE:
188 *reinterpret_cast<double *>( pRegisterReturn ) = xmm0;
189 break;
190 default:
191 {
192 sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
193 if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
194 {
195 sal_uInt64 longs[2];
196 longs[0] = rax;
197 longs[1] = rdx;
198
199 double doubles[2];
200 doubles[0] = xmm0;
201 doubles[1] = xmm1;
202 x86_64::fill_struct( pReturnTypeRef, &longs[0], &doubles[0], pRegisterReturn);
203 }
204 break;
205 }
206 }
207 }
208
209 //==================================================================================================
210
211 // Macros for easier insertion of values to registers or stack
212 // pSV - pointer to the source
213 // nr - order of the value [will be increased if stored to register]
214 // pFPR, pGPR - pointer to the registers
215 // pDS - pointer to the stack [will be increased if stored here]
216
217 // The value in %xmm register is already prepared to be retrieved as a float,
218 // thus we treat float and double the same
219 #define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \
220 if ( nr < x86_64::MAX_SSE_REGS ) \
221 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
222 else \
223 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
224
225 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \
226 if ( nr < x86_64::MAX_GPR_REGS ) \
227 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
228 else \
229 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
230
231 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \
232 if ( nr < x86_64::MAX_GPR_REGS ) \
233 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
234 else \
235 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
236
237 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \
238 if ( nr < x86_64::MAX_GPR_REGS ) \
239 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
240 else \
241 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
242
243 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \
244 if ( nr < x86_64::MAX_GPR_REGS ) \
245 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
246 else \
247 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
248
249 //==================================================================================================
250
251 namespace {
252
appendCString(OUStringBuffer & buffer,char const * text)253 void appendCString(OUStringBuffer & buffer, char const * text) {
254 if (text != 0) {
255 buffer.append(
256 OStringToOUString(OString(text), RTL_TEXTENCODING_ISO_8859_1));
257 // use 8859-1 to avoid conversion failure
258 }
259 }
260
261 }
262
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)263 static void cpp_call(
264 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
265 bridges::cpp_uno::shared::VtableSlot aVtableSlot,
266 typelib_TypeDescriptionReference * pReturnTypeRef,
267 sal_Int32 nParams, typelib_MethodParameter * pParams,
268 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
269 {
270 // Maxium space for [complex ret ptr], values | ptr ...
271 // (but will be used less - some of the values will be in pGPR and pFPR)
272 sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) );
273 sal_uInt64 *pStackStart = pStack;
274
275 sal_uInt64 pGPR[x86_64::MAX_GPR_REGS];
276 sal_uInt32 nGPR = 0;
277
278 double pFPR[x86_64::MAX_SSE_REGS];
279 sal_uInt32 nFPR = 0;
280
281 // Return
282 typelib_TypeDescription * pReturnTypeDescr = 0;
283 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
284 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
285
286 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion (see below)
287
288 bool bSimpleReturn = true;
289 if ( pReturnTypeDescr )
290 {
291 if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
292 bSimpleReturn = false;
293
294 if ( bSimpleReturn )
295 pCppReturn = pUnoReturn; // direct way for simple types
296 else
297 {
298 // complex return via ptr
299 pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
300 __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
301 INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack );
302 }
303 }
304
305 // Push "this" pointer
306 void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
307 INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
308
309 // Args
310 void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
311 // Indizes of values this have to be converted (interface conversion cpp<=>uno)
312 sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
313 // Type descriptions for reconversions
314 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
315
316 sal_Int32 nTempIndizes = 0;
317
318 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
319 {
320 const typelib_MethodParameter & rParam = pParams[nPos];
321 typelib_TypeDescription * pParamTypeDescr = 0;
322 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
323
324 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
325 {
326 uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
327 pThis->getBridge()->getUno2Cpp() );
328
329 switch (pParamTypeDescr->eTypeClass)
330 {
331 case typelib_TypeClass_HYPER:
332 case typelib_TypeClass_UNSIGNED_HYPER:
333 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
334 break;
335 case typelib_TypeClass_LONG:
336 case typelib_TypeClass_UNSIGNED_LONG:
337 case typelib_TypeClass_ENUM:
338 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
339 break;
340 case typelib_TypeClass_SHORT:
341 case typelib_TypeClass_CHAR:
342 case typelib_TypeClass_UNSIGNED_SHORT:
343 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
344 break;
345 case typelib_TypeClass_BOOLEAN:
346 case typelib_TypeClass_BYTE:
347 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
348 break;
349 case typelib_TypeClass_FLOAT:
350 case typelib_TypeClass_DOUBLE:
351 INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
352 break;
353 default:
354 break;
355 }
356
357 // no longer needed
358 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
359 }
360 else // ptr to complex value | ref
361 {
362 if (! rParam.bIn) // is pure out
363 {
364 // cpp out is constructed mem, uno out is not!
365 uno_constructData(
366 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
367 pParamTypeDescr );
368 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
369 // will be released at reconversion
370 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
371 }
372 // is in/inout
373 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
374 {
375 uno_copyAndConvertData(
376 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
377 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
378
379 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
380 // will be released at reconversion
381 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
382 }
383 else // direct way
384 {
385 pCppArgs[nPos] = pUnoArgs[nPos];
386 // no longer needed
387 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
388 }
389 INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
390 }
391 }
392
393 try
394 {
395 try {
396 callVirtualMethod(
397 pAdjustedThisPtr, aVtableSlot.index,
398 pCppReturn, pReturnTypeRef, bSimpleReturn,
399 pStackStart, ( pStack - pStackStart ),
400 pGPR, nGPR,
401 pFPR, nFPR );
402 } catch (Exception &) {
403 throw;
404 } catch (std::exception & e) {
405 OUStringBuffer buf;
406 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("C++ code threw "));
407 appendCString(buf, typeid(e).name());
408 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM(": "));
409 appendCString(buf, e.what());
410 throw RuntimeException(
411 buf.makeStringAndClear(), Reference< XInterface >());
412 } catch (...) {
413 throw RuntimeException(
414 OUString(
415 RTL_CONSTASCII_USTRINGPARAM(
416 "C++ code threw unknown exception")),
417 Reference< XInterface >());
418 }
419
420 // NO exception occurred...
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 __cxa_exception *header;
459 #ifdef __GLIBCXX__
460 header = __cxa_get_globals()->caughtExceptions;
461 #else
462 header = reinterpret_cast<__cxa_exception *>( __cxa_current_primary_exception() );
463 if (header) {
464 __cxa_decrement_exception_refcount( header );
465 header--;
466 }
467 #endif
468 // fill uno exception
469 CPPU_CURRENT_NAMESPACE::fillUnoException( header, *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
470
471 // temporary params
472 for ( ; nTempIndizes--; )
473 {
474 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
475 // destroy temp cpp param => cpp: every param was constructed
476 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
477 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
478 }
479 // return type
480 if (pReturnTypeDescr)
481 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
482 }
483 }
484
485 //==================================================================================================
486
487 namespace bridges { namespace cpp_uno { namespace shared {
488
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)489 void unoInterfaceProxyDispatch(
490 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
491 void * pReturn, void * pArgs[], uno_Any ** ppException )
492 {
493 // is my surrogate
494 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
495 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
496 #if OSL_DEBUG_LEVEL > 0
497 typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
498 #endif
499
500 switch (pMemberDescr->eTypeClass)
501 {
502 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
503 {
504 #if OSL_DEBUG_LEVEL > 0
505 // determine vtable call index
506 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
507 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
508 #endif
509 VtableSlot aVtableSlot(
510 getVtableSlot(
511 reinterpret_cast<
512 typelib_InterfaceAttributeTypeDescription const * >(
513 pMemberDescr)));
514
515 if (pReturn)
516 {
517 // dependent dispatch
518 cpp_call(
519 pThis, aVtableSlot,
520 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
521 0, 0, // no params
522 pReturn, pArgs, ppException );
523 }
524 else
525 {
526 // is SET
527 typelib_MethodParameter aParam;
528 aParam.pTypeRef =
529 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
530 aParam.bIn = sal_True;
531 aParam.bOut = sal_False;
532
533 typelib_TypeDescriptionReference * pReturnTypeRef = 0;
534 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
535 typelib_typedescriptionreference_new(
536 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
537
538 // dependent dispatch
539 aVtableSlot.index += 1; // get, then set method
540 cpp_call(
541 pThis, aVtableSlot, // get, then set method
542 pReturnTypeRef,
543 1, &aParam,
544 pReturn, pArgs, ppException );
545
546 typelib_typedescriptionreference_release( pReturnTypeRef );
547 }
548
549 break;
550 }
551 case typelib_TypeClass_INTERFACE_METHOD:
552 {
553 #if OSL_DEBUG_LEVEL > 0
554 // determine vtable call index
555 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
556 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
557 #endif
558 VtableSlot aVtableSlot(
559 getVtableSlot(
560 reinterpret_cast<
561 typelib_InterfaceMethodTypeDescription const * >(
562 pMemberDescr)));
563
564 switch (aVtableSlot.index)
565 {
566 // standard calls
567 case 1: // acquire uno interface
568 (*pUnoI->acquire)( pUnoI );
569 *ppException = 0;
570 break;
571 case 2: // release uno interface
572 (*pUnoI->release)( pUnoI );
573 *ppException = 0;
574 break;
575 case 0: // queryInterface() opt
576 {
577 typelib_TypeDescription * pTD = 0;
578 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
579 if (pTD)
580 {
581 uno_Interface * pInterface = 0;
582 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
583 pThis->getBridge()->getUnoEnv(),
584 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
585
586 if (pInterface)
587 {
588 ::uno_any_construct(
589 reinterpret_cast< uno_Any * >( pReturn ),
590 &pInterface, pTD, 0 );
591 (*pInterface->release)( pInterface );
592 TYPELIB_DANGER_RELEASE( pTD );
593 *ppException = 0;
594 break;
595 }
596 TYPELIB_DANGER_RELEASE( pTD );
597 }
598 } // else perform queryInterface()
599 default:
600 // dependent dispatch
601 cpp_call(
602 pThis, aVtableSlot,
603 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
604 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
605 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
606 pReturn, pArgs, ppException );
607 }
608 break;
609 }
610 default:
611 {
612 ::com::sun::star::uno::RuntimeException aExc(
613 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
614 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
615
616 Type const & rExcType = ::getCppuType( &aExc );
617 // binary identical null reference
618 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
619 }
620 }
621 }
622
623 } } }
624