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 <stdlib.h> 32 #include <string.h> 33 34 #include "rtl/alloc.h" 35 #include "rtl/ustrbuf.hxx" 36 37 #include <com/sun/star/uno/genfunc.hxx> 38 #include "com/sun/star/uno/RuntimeException.hpp" 39 #include <uno/data.h> 40 41 #include <bridges/cpp_uno/shared/bridge.hxx> 42 #include <bridges/cpp_uno/shared/types.hxx> 43 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx" 44 #include "bridges/cpp_uno/shared/vtables.hxx" 45 46 #include "abi.hxx" 47 #include "share.hxx" 48 49 using namespace ::rtl; 50 using namespace ::com::sun::star::uno; 51 #ifdef __GLIBCXX__ 52 using CPPU_CURRENT_NAMESPACE::__cxa_get_globals; 53 #else 54 using __cxxabiv1::__cxa_get_globals; 55 #endif 56 57 //================================================================================================== 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) __attribute__((noinline)); 63 64 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex, 65 void * pRegisterReturn, typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn, 66 sal_uInt64 *pStack, sal_uInt32 nStack, 67 sal_uInt64 *pGPR, sal_uInt32 nGPR, 68 double *pFPR, sal_uInt32 nFPR) 69 { 70 #if OSL_DEBUG_LEVEL > 1 71 // Let's figure out what is really going on here 72 { 73 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR ); 74 for ( unsigned int i = 0; i < nGPR; ++i ) 75 fprintf( stderr, "0x%lx, ", pGPR[i] ); 76 fprintf( stderr, "\nFPR's (%d): ", nFPR ); 77 for ( unsigned int i = 0; i < nFPR; ++i ) 78 fprintf( stderr, "%f, ", pFPR[i] ); 79 fprintf( stderr, "\nStack (%d): ", nStack ); 80 for ( unsigned int i = 0; i < nStack; ++i ) 81 fprintf( stderr, "0x%lx, ", pStack[i] ); 82 fprintf( stderr, "\n" ); 83 } 84 #endif 85 86 // The call instruction within the asm section of callVirtualMethod may throw 87 // exceptions. So that the compiler handles this correctly, it is important 88 // that (a) callVirtualMethod might call dummy_can_throw_anything (although this 89 // never happens at runtime), which in turn can throw exceptions, and (b) 90 // callVirtualMethod is not inlined at its call site (so that any exceptions are 91 // caught which are thrown from the instruction calling callVirtualMethod): 92 if ( !pThis ) 93 CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything( "xxx" ); // address something 94 95 // Should not happen, but... 96 if ( nFPR > x86_64::MAX_SSE_REGS ) 97 nFPR = x86_64::MAX_SSE_REGS; 98 if ( nGPR > x86_64::MAX_GPR_REGS ) 99 nGPR = x86_64::MAX_GPR_REGS; 100 101 // Get pointer to method 102 sal_uInt64 pMethod = *((sal_uInt64 *)pThis); 103 pMethod += 8 * nVtableIndex; 104 pMethod = *((sal_uInt64 *)pMethod); 105 106 // Load parameters to stack, if necessary 107 sal_uInt64* pCallStack = NULL; 108 if ( nStack ) 109 { 110 // 16-bytes aligned 111 sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16; 112 pCallStack = (sal_uInt64*) __builtin_alloca( nStackBytes ); 113 memcpy( pCallStack, pStack, nStackBytes ); 114 } 115 116 // Return values 117 sal_uInt64 rax; 118 sal_uInt64 rdx; 119 double xmm0; 120 double xmm1; 121 122 asm volatile ( 123 // Fill the xmm registers 124 "movq %2, %%rax\n\t" 125 126 "movsd (%%rax), %%xmm0\n\t" 127 "movsd 8(%%rax), %%xmm1\n\t" 128 "movsd 16(%%rax), %%xmm2\n\t" 129 "movsd 24(%%rax), %%xmm3\n\t" 130 "movsd 32(%%rax), %%xmm4\n\t" 131 "movsd 40(%%rax), %%xmm5\n\t" 132 "movsd 48(%%rax), %%xmm6\n\t" 133 "movsd 56(%%rax), %%xmm7\n\t" 134 135 // Fill the general purpose registers 136 "movq %1, %%rax\n\t" 137 138 "movq (%%rax), %%rdi\n\t" 139 "movq 8(%%rax), %%rsi\n\t" 140 "movq 16(%%rax), %%rdx\n\t" 141 "movq 24(%%rax), %%rcx\n\t" 142 "movq 32(%%rax), %%r8\n\t" 143 "movq 40(%%rax), %%r9\n\t" 144 145 // Perform the call 146 "movq %0, %%r11\n\t" 147 "movq %3, %%rax\n\t" 148 "call *%%r11\n\t" 149 150 // Fill the return values 151 "movq %%rax, %4\n\t" 152 "movq %%rdx, %5\n\t" 153 "movsd %%xmm0, %6\n\t" 154 "movsd %%xmm1, %7\n\t" 155 : 156 : "m" ( pMethod ), "m" ( pGPR ), "m" ( pFPR ), "m" ( nFPR ), 157 "m" ( rax ), "m" ( rdx ), "m" ( xmm0 ), "m" ( xmm1 ), 158 "m" (pCallStack) // dummy input to prevent the compiler from optimizing the alloca out 159 : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r11" 160 ); 161 162 switch (pReturnTypeRef->eTypeClass) 163 { 164 case typelib_TypeClass_HYPER: 165 case typelib_TypeClass_UNSIGNED_HYPER: 166 *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = rax; 167 break; 168 case typelib_TypeClass_LONG: 169 case typelib_TypeClass_UNSIGNED_LONG: 170 case typelib_TypeClass_ENUM: 171 *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32*>( &rax ); 172 break; 173 case typelib_TypeClass_CHAR: 174 case typelib_TypeClass_SHORT: 175 case typelib_TypeClass_UNSIGNED_SHORT: 176 *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16*>( &rax ); 177 break; 178 case typelib_TypeClass_BOOLEAN: 179 case typelib_TypeClass_BYTE: 180 *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8*>( &rax ); 181 break; 182 case typelib_TypeClass_FLOAT: 183 case typelib_TypeClass_DOUBLE: 184 *reinterpret_cast<double *>( pRegisterReturn ) = xmm0; 185 break; 186 default: 187 { 188 sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize; 189 if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0) 190 { 191 sal_uInt64 longs[2]; 192 longs[0] = rax; 193 longs[1] = rdx; 194 195 double doubles[2]; 196 doubles[0] = xmm0; 197 doubles[1] = xmm1; 198 x86_64::fill_struct( pReturnTypeRef, &longs[0], &doubles[0], pRegisterReturn); 199 } 200 break; 201 } 202 } 203 } 204 205 //================================================================================================== 206 207 // Macros for easier insertion of values to registers or stack 208 // pSV - pointer to the source 209 // nr - order of the value [will be increased if stored to register] 210 // pFPR, pGPR - pointer to the registers 211 // pDS - pointer to the stack [will be increased if stored here] 212 213 // The value in %xmm register is already prepared to be retrieved as a float, 214 // thus we treat float and double the same 215 #define INSERT_FLOAT_DOUBLE( pSV, nr, pFPR, pDS ) \ 216 if ( nr < x86_64::MAX_SSE_REGS ) \ 217 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \ 218 else \ 219 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim! 220 221 #define INSERT_INT64( pSV, nr, pGPR, pDS ) \ 222 if ( nr < x86_64::MAX_GPR_REGS ) \ 223 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \ 224 else \ 225 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); 226 227 #define INSERT_INT32( pSV, nr, pGPR, pDS ) \ 228 if ( nr < x86_64::MAX_GPR_REGS ) \ 229 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \ 230 else \ 231 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV ); 232 233 #define INSERT_INT16( pSV, nr, pGPR, pDS ) \ 234 if ( nr < x86_64::MAX_GPR_REGS ) \ 235 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \ 236 else \ 237 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV ); 238 239 #define INSERT_INT8( pSV, nr, pGPR, pDS ) \ 240 if ( nr < x86_64::MAX_GPR_REGS ) \ 241 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \ 242 else \ 243 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV ); 244 245 //================================================================================================== 246 247 namespace { 248 249 void appendCString(OUStringBuffer & buffer, char const * text) { 250 if (text != 0) { 251 buffer.append( 252 OStringToOUString(OString(text), RTL_TEXTENCODING_ISO_8859_1)); 253 // use 8859-1 to avoid conversion failure 254 } 255 } 256 257 } 258 259 static void cpp_call( 260 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis, 261 bridges::cpp_uno::shared::VtableSlot aVtableSlot, 262 typelib_TypeDescriptionReference * pReturnTypeRef, 263 sal_Int32 nParams, typelib_MethodParameter * pParams, 264 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) 265 { 266 // Maxium space for [complex ret ptr], values | ptr ... 267 // (but will be used less - some of the values will be in pGPR and pFPR) 268 sal_uInt64 *pStack = (sal_uInt64 *)__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) ); 269 sal_uInt64 *pStackStart = pStack; 270 271 sal_uInt64 pGPR[x86_64::MAX_GPR_REGS]; 272 sal_uInt32 nGPR = 0; 273 274 double pFPR[x86_64::MAX_SSE_REGS]; 275 sal_uInt32 nFPR = 0; 276 277 // Return 278 typelib_TypeDescription * pReturnTypeDescr = 0; 279 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); 280 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" ); 281 282 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion (see below) 283 284 bool bSimpleReturn = true; 285 if ( pReturnTypeDescr ) 286 { 287 if ( x86_64::return_in_hidden_param( pReturnTypeRef ) ) 288 bSimpleReturn = false; 289 290 if ( bSimpleReturn ) 291 pCppReturn = pUnoReturn; // direct way for simple types 292 else 293 { 294 // complex return via ptr 295 pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )? 296 __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn; 297 INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack ); 298 } 299 } 300 301 // Push "this" pointer 302 void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset; 303 INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack ); 304 305 // Args 306 void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); 307 // Indizes of values this have to be converted (interface conversion cpp<=>uno) 308 sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams); 309 // Type descriptions for reconversions 310 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); 311 312 sal_Int32 nTempIndizes = 0; 313 314 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) 315 { 316 const typelib_MethodParameter & rParam = pParams[nPos]; 317 typelib_TypeDescription * pParamTypeDescr = 0; 318 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); 319 320 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) 321 { 322 uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr, 323 pThis->getBridge()->getUno2Cpp() ); 324 325 switch (pParamTypeDescr->eTypeClass) 326 { 327 case typelib_TypeClass_HYPER: 328 case typelib_TypeClass_UNSIGNED_HYPER: 329 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack ); 330 break; 331 case typelib_TypeClass_LONG: 332 case typelib_TypeClass_UNSIGNED_LONG: 333 case typelib_TypeClass_ENUM: 334 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack ); 335 break; 336 case typelib_TypeClass_SHORT: 337 case typelib_TypeClass_CHAR: 338 case typelib_TypeClass_UNSIGNED_SHORT: 339 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack ); 340 break; 341 case typelib_TypeClass_BOOLEAN: 342 case typelib_TypeClass_BYTE: 343 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack ); 344 break; 345 case typelib_TypeClass_FLOAT: 346 case typelib_TypeClass_DOUBLE: 347 INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack ); 348 break; 349 default: 350 break; 351 } 352 353 // no longer needed 354 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 355 } 356 else // ptr to complex value | ref 357 { 358 if (! rParam.bIn) // is pure out 359 { 360 // cpp out is constructed mem, uno out is not! 361 uno_constructData( 362 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), 363 pParamTypeDescr ); 364 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call 365 // will be released at reconversion 366 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; 367 } 368 // is in/inout 369 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) 370 { 371 uno_copyAndConvertData( 372 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), 373 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); 374 375 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted 376 // will be released at reconversion 377 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; 378 } 379 else // direct way 380 { 381 pCppArgs[nPos] = pUnoArgs[nPos]; 382 // no longer needed 383 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 384 } 385 INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack ); 386 } 387 } 388 389 try 390 { 391 try { 392 callVirtualMethod( 393 pAdjustedThisPtr, aVtableSlot.index, 394 pCppReturn, pReturnTypeRef, bSimpleReturn, 395 pStackStart, ( pStack - pStackStart ), 396 pGPR, nGPR, 397 pFPR, nFPR ); 398 } catch (Exception &) { 399 throw; 400 } catch (std::exception & e) { 401 OUStringBuffer buf; 402 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM("C++ code threw ")); 403 appendCString(buf, typeid(e).name()); 404 buf.appendAscii(RTL_CONSTASCII_STRINGPARAM(": ")); 405 appendCString(buf, e.what()); 406 throw RuntimeException( 407 buf.makeStringAndClear(), Reference< XInterface >()); 408 } catch (...) { 409 throw RuntimeException( 410 OUString( 411 RTL_CONSTASCII_USTRINGPARAM( 412 "C++ code threw unknown exception")), 413 Reference< XInterface >()); 414 } 415 416 // NO exception occurred... 417 *ppUnoExc = 0; 418 419 // reconvert temporary params 420 for ( ; nTempIndizes--; ) 421 { 422 sal_Int32 nIndex = pTempIndizes[nTempIndizes]; 423 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; 424 425 if (pParams[nIndex].bIn) 426 { 427 if (pParams[nIndex].bOut) // inout 428 { 429 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value 430 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, 431 pThis->getBridge()->getCpp2Uno() ); 432 } 433 } 434 else // pure out 435 { 436 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, 437 pThis->getBridge()->getCpp2Uno() ); 438 } 439 // destroy temp cpp param => cpp: every param was constructed 440 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); 441 442 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 443 } 444 // return value 445 if (pCppReturn && pUnoReturn != pCppReturn) 446 { 447 uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr, 448 pThis->getBridge()->getCpp2Uno() ); 449 uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); 450 } 451 } 452 catch (...) 453 { 454 // fill uno exception 455 CPPU_CURRENT_NAMESPACE::fillUnoException( __cxa_get_globals()->caughtExceptions, *ppUnoExc, pThis->getBridge()->getCpp2Uno() ); 456 457 // temporary params 458 for ( ; nTempIndizes--; ) 459 { 460 sal_Int32 nIndex = pTempIndizes[nTempIndizes]; 461 // destroy temp cpp param => cpp: every param was constructed 462 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release ); 463 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); 464 } 465 // return type 466 if (pReturnTypeDescr) 467 TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); 468 } 469 } 470 471 //================================================================================================== 472 473 namespace bridges { namespace cpp_uno { namespace shared { 474 475 void unoInterfaceProxyDispatch( 476 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, 477 void * pReturn, void * pArgs[], uno_Any ** ppException ) 478 { 479 // is my surrogate 480 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis 481 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI); 482 #if OSL_DEBUG_LEVEL > 0 483 typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr; 484 #endif 485 486 switch (pMemberDescr->eTypeClass) 487 { 488 case typelib_TypeClass_INTERFACE_ATTRIBUTE: 489 { 490 #if OSL_DEBUG_LEVEL > 0 491 // determine vtable call index 492 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; 493 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); 494 #endif 495 VtableSlot aVtableSlot( 496 getVtableSlot( 497 reinterpret_cast< 498 typelib_InterfaceAttributeTypeDescription const * >( 499 pMemberDescr))); 500 501 if (pReturn) 502 { 503 // dependent dispatch 504 cpp_call( 505 pThis, aVtableSlot, 506 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef, 507 0, 0, // no params 508 pReturn, pArgs, ppException ); 509 } 510 else 511 { 512 // is SET 513 typelib_MethodParameter aParam; 514 aParam.pTypeRef = 515 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef; 516 aParam.bIn = sal_True; 517 aParam.bOut = sal_False; 518 519 typelib_TypeDescriptionReference * pReturnTypeRef = 0; 520 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") ); 521 typelib_typedescriptionreference_new( 522 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); 523 524 // dependent dispatch 525 aVtableSlot.index += 1; // get, then set method 526 cpp_call( 527 pThis, aVtableSlot, // get, then set method 528 pReturnTypeRef, 529 1, &aParam, 530 pReturn, pArgs, ppException ); 531 532 typelib_typedescriptionreference_release( pReturnTypeRef ); 533 } 534 535 break; 536 } 537 case typelib_TypeClass_INTERFACE_METHOD: 538 { 539 #if OSL_DEBUG_LEVEL > 0 540 // determine vtable call index 541 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; 542 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); 543 #endif 544 VtableSlot aVtableSlot( 545 getVtableSlot( 546 reinterpret_cast< 547 typelib_InterfaceMethodTypeDescription const * >( 548 pMemberDescr))); 549 550 switch (aVtableSlot.index) 551 { 552 // standard calls 553 case 1: // acquire uno interface 554 (*pUnoI->acquire)( pUnoI ); 555 *ppException = 0; 556 break; 557 case 2: // release uno interface 558 (*pUnoI->release)( pUnoI ); 559 *ppException = 0; 560 break; 561 case 0: // queryInterface() opt 562 { 563 typelib_TypeDescription * pTD = 0; 564 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() ); 565 if (pTD) 566 { 567 uno_Interface * pInterface = 0; 568 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)( 569 pThis->getBridge()->getUnoEnv(), 570 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD ); 571 572 if (pInterface) 573 { 574 ::uno_any_construct( 575 reinterpret_cast< uno_Any * >( pReturn ), 576 &pInterface, pTD, 0 ); 577 (*pInterface->release)( pInterface ); 578 TYPELIB_DANGER_RELEASE( pTD ); 579 *ppException = 0; 580 break; 581 } 582 TYPELIB_DANGER_RELEASE( pTD ); 583 } 584 } // else perform queryInterface() 585 default: 586 // dependent dispatch 587 cpp_call( 588 pThis, aVtableSlot, 589 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef, 590 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams, 591 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams, 592 pReturn, pArgs, ppException ); 593 } 594 break; 595 } 596 default: 597 { 598 ::com::sun::star::uno::RuntimeException aExc( 599 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ), 600 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); 601 602 Type const & rExcType = ::getCppuType( &aExc ); 603 // binary identical null reference 604 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); 605 } 606 } 607 } 608 609 } } } 610