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", "rbx", "rcx", "rdx", "rdi", "rsi", "r8", "r9",
154 "r10", "r11", "r10", "r12", "r13", "r14", "r15", "rbx",
155 "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7"
156 );
157
158 switch (pReturnTypeRef->eTypeClass)
159 {
160 case typelib_TypeClass_HYPER:
161 case typelib_TypeClass_UNSIGNED_HYPER:
162 *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = rax;
163 break;
164 case typelib_TypeClass_LONG:
165 case typelib_TypeClass_UNSIGNED_LONG:
166 case typelib_TypeClass_ENUM:
167 *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32*>( &rax );
168 break;
169 case typelib_TypeClass_CHAR:
170 case typelib_TypeClass_SHORT:
171 case typelib_TypeClass_UNSIGNED_SHORT:
172 *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16*>( &rax );
173 break;
174 case typelib_TypeClass_BOOLEAN:
175 case typelib_TypeClass_BYTE:
176 *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8*>( &rax );
177 break;
178 case typelib_TypeClass_FLOAT:
179 case typelib_TypeClass_DOUBLE:
180 *reinterpret_cast<double *>( pRegisterReturn ) = xmm0;
181 break;
182 default:
183 {
184 sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
185 if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
186 {
187 sal_uInt64 longs[2];
188 longs[0] = rax;
189 longs[1] = rdx;
190
191 double doubles[2];
192 doubles[0] = xmm0;
193 doubles[1] = xmm1;
194 x86_64::fill_struct( pReturnTypeRef, &longs[0], &doubles[0], pRegisterReturn);
195 }
196 break;
197 }
198 }
199 }
200
201 //==================================================================================================
202
203 // Macros for easier insertion of values to registers or stack
204 // pSV - pointer to the source
205 // nr - order of the value [will be increased if stored to register]
206 // pFPR, pGPR - pointer to the registers
207 // pDS - pointer to the stack [will be increased if stored here]
208
209 // The value in %xmm register is already prepared to be retrieved as a float,
210 // thus we treat float and double the same
211 #define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \
212 if ( nr < x86_64::MAX_SSE_REGS ) \
213 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
214 else \
215 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
216
217 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \
218 if ( nr < x86_64::MAX_GPR_REGS ) \
219 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
220 else \
221 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
222
223 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \
224 if ( nr < x86_64::MAX_GPR_REGS ) \
225 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
226 else \
227 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
228
229 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \
230 if ( nr < x86_64::MAX_GPR_REGS ) \
231 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
232 else \
233 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
234
235 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \
236 if ( nr < x86_64::MAX_GPR_REGS ) \
237 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
238 else \
239 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
240
241 //==================================================================================================
242
243 namespace {
244
appendCString(OUStringBuffer & buffer,char const * text)245 void appendCString(OUStringBuffer & buffer, char const * text) {
246 if (text != 0) {
247 buffer.append(
248 OStringToOUString(OString(text), RTL_TEXTENCODING_ISO_8859_1));
249 // use 8859-1 to avoid conversion failure
250 }
251 }
252
253 }
254
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)255 static void cpp_call(
256 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
257 bridges::cpp_uno::shared::VtableSlot aVtableSlot,
258 typelib_TypeDescriptionReference * pReturnTypeRef,
259 sal_Int32 nParams, typelib_MethodParameter * pParams,
260 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
261 {
262 // Maxium space for [complex ret ptr], values | ptr ...
263 // (but will be used less - some of the values will be in pGPR and pFPR)
264 sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) );
265 sal_uInt64 *pStackStart = pStack;
266
267 sal_uInt64 pGPR[x86_64::MAX_GPR_REGS];
268 sal_uInt32 nGPR = 0;
269
270 double pFPR[x86_64::MAX_SSE_REGS];
271 sal_uInt32 nFPR = 0;
272
273 // Return
274 typelib_TypeDescription * pReturnTypeDescr = 0;
275 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
276 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
277
278 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion (see below)
279
280 bool bSimpleReturn = true;
281 if ( pReturnTypeDescr )
282 {
283 if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
284 bSimpleReturn = false;
285
286 if ( bSimpleReturn )
287 pCppReturn = pUnoReturn; // direct way for simple types
288 else
289 {
290 // complex return via ptr
291 pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
292 __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
293 INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack );
294 }
295 }
296
297 // Push "this" pointer
298 void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
299 INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
300
301 // Args
302 void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
303 // Indizes of values this have to be converted (interface conversion cpp<=>uno)
304 sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
305 // Type descriptions for reconversions
306 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
307
308 sal_Int32 nTempIndizes = 0;
309
310 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
311 {
312 const typelib_MethodParameter & rParam = pParams[nPos];
313 typelib_TypeDescription * pParamTypeDescr = 0;
314 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
315
316 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
317 {
318 uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
319 pThis->getBridge()->getUno2Cpp() );
320
321 switch (pParamTypeDescr->eTypeClass)
322 {
323 case typelib_TypeClass_HYPER:
324 case typelib_TypeClass_UNSIGNED_HYPER:
325 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
326 break;
327 case typelib_TypeClass_LONG:
328 case typelib_TypeClass_UNSIGNED_LONG:
329 case typelib_TypeClass_ENUM:
330 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
331 break;
332 case typelib_TypeClass_SHORT:
333 case typelib_TypeClass_CHAR:
334 case typelib_TypeClass_UNSIGNED_SHORT:
335 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
336 break;
337 case typelib_TypeClass_BOOLEAN:
338 case typelib_TypeClass_BYTE:
339 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
340 break;
341 case typelib_TypeClass_FLOAT:
342 case typelib_TypeClass_DOUBLE:
343 INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
344 break;
345 default:
346 break;
347 }
348
349 // no longer needed
350 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
351 }
352 else // ptr to complex value | ref
353 {
354 if (! rParam.bIn) // is pure out
355 {
356 // cpp out is constructed mem, uno out is not!
357 uno_constructData(
358 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
359 pParamTypeDescr );
360 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
361 // will be released at reconversion
362 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
363 }
364 // is in/inout
365 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
366 {
367 uno_copyAndConvertData(
368 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
369 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
370
371 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
372 // will be released at reconversion
373 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
374 }
375 else // direct way
376 {
377 pCppArgs[nPos] = pUnoArgs[nPos];
378 // no longer needed
379 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
380 }
381 INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
382 }
383 }
384
385 try
386 {
387 try {
388 callVirtualMethod(
389 pAdjustedThisPtr, aVtableSlot.index,
390 pCppReturn, pReturnTypeRef, bSimpleReturn,
391 pStackStart, ( pStack - pStackStart ),
392 pGPR, nGPR,
393 pFPR, nFPR );
394 } catch (Exception &) {
395 throw;
396 } catch (std::exception & e) {
397 OUStringBuffer buf;
398 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("C++ code threw "));
399 appendCString(buf, typeid(e).name());
400 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM(": "));
401 appendCString(buf, e.what());
402 throw RuntimeException(
403 buf.makeStringAndClear(), Reference< XInterface >());
404 } catch (...) {
405 throw RuntimeException(
406 OUString(
407 RTL_CONSTASCII_USTRINGPARAM(
408 "C++ code threw unknown exception")),
409 Reference< XInterface >());
410 }
411
412 // NO exception occurred...
413 *ppUnoExc = 0;
414
415 // reconvert temporary params
416 for ( ; nTempIndizes--; )
417 {
418 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
419 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
420
421 if (pParams[nIndex].bIn)
422 {
423 if (pParams[nIndex].bOut) // inout
424 {
425 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
426 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
427 pThis->getBridge()->getCpp2Uno() );
428 }
429 }
430 else // pure out
431 {
432 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
433 pThis->getBridge()->getCpp2Uno() );
434 }
435 // destroy temp cpp param => cpp: every param was constructed
436 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
437
438 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
439 }
440 // return value
441 if (pCppReturn && pUnoReturn != pCppReturn)
442 {
443 uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
444 pThis->getBridge()->getCpp2Uno() );
445 uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
446 }
447 }
448 catch (...)
449 {
450 // fill uno exception
451 fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions, *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 // is my surrogate
476 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
477 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
478 #if OSL_DEBUG_LEVEL > 0
479 typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
480 #endif
481
482 switch (pMemberDescr->eTypeClass)
483 {
484 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
485 {
486 #if OSL_DEBUG_LEVEL > 0
487 // determine vtable call index
488 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
489 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
490 #endif
491 VtableSlot aVtableSlot(
492 getVtableSlot(
493 reinterpret_cast<
494 typelib_InterfaceAttributeTypeDescription const * >(
495 pMemberDescr)));
496
497 if (pReturn)
498 {
499 // dependent dispatch
500 cpp_call(
501 pThis, aVtableSlot,
502 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
503 0, 0, // no params
504 pReturn, pArgs, ppException );
505 }
506 else
507 {
508 // is SET
509 typelib_MethodParameter aParam;
510 aParam.pTypeRef =
511 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
512 aParam.bIn = sal_True;
513 aParam.bOut = sal_False;
514
515 typelib_TypeDescriptionReference * pReturnTypeRef = 0;
516 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
517 typelib_typedescriptionreference_new(
518 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
519
520 // dependent dispatch
521 aVtableSlot.index += 1; // get, then set method
522 cpp_call(
523 pThis, aVtableSlot, // get, then set method
524 pReturnTypeRef,
525 1, &aParam,
526 pReturn, pArgs, ppException );
527
528 typelib_typedescriptionreference_release( pReturnTypeRef );
529 }
530
531 break;
532 }
533 case typelib_TypeClass_INTERFACE_METHOD:
534 {
535 #if OSL_DEBUG_LEVEL > 0
536 // determine vtable call index
537 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
538 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
539 #endif
540 VtableSlot aVtableSlot(
541 getVtableSlot(
542 reinterpret_cast<
543 typelib_InterfaceMethodTypeDescription const * >(
544 pMemberDescr)));
545
546 switch (aVtableSlot.index)
547 {
548 // standard calls
549 case 1: // acquire uno interface
550 (*pUnoI->acquire)( pUnoI );
551 *ppException = 0;
552 break;
553 case 2: // release uno interface
554 (*pUnoI->release)( pUnoI );
555 *ppException = 0;
556 break;
557 case 0: // queryInterface() opt
558 {
559 typelib_TypeDescription * pTD = 0;
560 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
561 if (pTD)
562 {
563 uno_Interface * pInterface = 0;
564 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
565 pThis->getBridge()->getUnoEnv(),
566 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
567
568 if (pInterface)
569 {
570 ::uno_any_construct(
571 reinterpret_cast< uno_Any * >( pReturn ),
572 &pInterface, pTD, 0 );
573 (*pInterface->release)( pInterface );
574 TYPELIB_DANGER_RELEASE( pTD );
575 *ppException = 0;
576 break;
577 }
578 TYPELIB_DANGER_RELEASE( pTD );
579 }
580 } // else perform queryInterface()
581 default:
582 // dependent dispatch
583 cpp_call(
584 pThis, aVtableSlot,
585 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
586 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
587 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
588 pReturn, pArgs, ppException );
589 }
590 break;
591 }
592 default:
593 {
594 ::com::sun::star::uno::RuntimeException aExc(
595 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
596 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
597
598 Type const & rExcType = ::getCppuType( &aExc );
599 // binary identical null reference
600 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
601 }
602 }
603 }
604
605 } } }
606