bridges/source/jni_uno/jni_java2uno.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21 #include <sal/log.hxx>
  22
  23 #include <algorithm>
  24 #include <cassert>
  25
  26 #include <sal/alloca.h>
  27
  28 #include "jni_bridge.h"
  29 #include "jniunoenvironmentdata.hxx"
  30
  31 namespace jni_uno
  32 {
  33
  34
  35 jobject Bridge::map_to_java(
  36     JNI_context const & jni,
  37     uno_Interface * pUnoI, JNI_interface_type_info const * info ) const
  38 {
  39     // get oid
  40     rtl_uString * pOid = nullptr;
  41     (*m_uno_env->getObjectIdentifier)( m_uno_env, &pOid, pUnoI );
  42     assert( pOid != nullptr );
  43     OUString oid( pOid, SAL_NO_ACQUIRE );
  44
  45     // opt getRegisteredInterface()
  46     JLocalAutoRef jo_oid( jni, ustring_to_jstring( jni, oid.pData ) );
  47     jvalue args[ 2 ];
  48     args[ 0 ].l = jo_oid.get();
  49     args[ 1 ].l = info->m_type;
  50     jobject jo_iface = jni->CallObjectMethodA(
  51         getJniInfo()->m_object_java_env,
  52         getJniInfo()->m_method_IEnvironment_getRegisteredInterface, args );
  53     jni.ensure_no_exception();
  54
  55     if (jo_iface == nullptr) // no registered iface
  56     {
  57         // register uno interface
  58         (*m_uno_env->registerInterface)(
  59             m_uno_env, reinterpret_cast< void ** >( &pUnoI ),
  60             oid.pData, reinterpret_cast<typelib_InterfaceTypeDescription *>(info->m_td.get()) );
  61
  62         // create java and register java proxy
  63         jvalue args2[ 8 ];
  64         acquire();
  65         args2[ 0 ].j = reinterpret_cast< sal_Int64 >( this );
  66         (*pUnoI->acquire)( pUnoI );
  67         args2[ 1 ].l = getJniInfo()->m_object_java_env;
  68         args2[ 2 ].j = reinterpret_cast< sal_Int64 >( pUnoI );
  69         typelib_typedescription_acquire( info->m_td.get() );
  70         args2[ 3 ].j = reinterpret_cast< sal_Int64 >( info->m_td.get() );
  71         args2[ 4 ].l = info->m_type;
  72         args2[ 5 ].l = jo_oid.get();
  73         args2[ 6 ].l = info->m_proxy_ctor;
  74         auto * envData = static_cast<jni_uno::JniUnoEnvironmentData *>(
  75             m_java_env->pContext);
  76         {
  77             osl::MutexGuard g(envData->mutex);
  78             args2[ 7 ].l = envData->asynchronousFinalizer;
  79         }
  80         jo_iface = jni->CallStaticObjectMethodA(
  81             getJniInfo()->m_class_JNI_proxy,
  82             getJniInfo()->m_method_JNI_proxy_create, args2 );
  83         jni.ensure_no_exception();
  84     }
  85
  86     assert( jo_iface != nullptr );
  87     return jo_iface;
  88 }
  89
  90
  91 void Bridge::handle_uno_exc( JNI_context const & jni, uno_Any * uno_exc ) const
  92 {
  93     if (uno_exc->pType->eTypeClass == typelib_TypeClass_EXCEPTION)
  94     {
  95 #if OSL_DEBUG_LEVEL > 0
  96         // append java stack trace to Message member
  97         static_cast< ::com::sun::star::uno::Exception * >(
  98             uno_exc->pData )->Message += jni.get_stack_trace();
  99 #endif
 100         SAL_INFO(
 101             "bridges",
 102             "exception occurred java->uno: ["
 103                 << OUString::unacquired(&uno_exc->pType->pTypeName) << "] "
 104                 << static_cast<css::uno::Exception const *>(
 105                     uno_exc->pData)->Message);
 106         // signal exception
 107         jvalue java_exc;
 108         try
 109         {
 110             map_to_java(
 111                 jni, &java_exc, uno_exc->pData, uno_exc->pType, nullptr,
 112                 true /* in */, false /* no out */ );
 113         }
 114         catch (...)
 115         {
 116             uno_any_destruct( uno_exc, nullptr );
 117             throw;
 118         }
 119         uno_any_destruct( uno_exc, nullptr );
 120
 121         JLocalAutoRef jo_exc( jni, java_exc.l );
 122         jint res = jni->Throw( static_cast<jthrowable>(jo_exc.get()) );
 123         if (res != 0)
 124         {
 125             // call toString()
 126             JLocalAutoRef jo_descr(
 127                 jni, jni->CallObjectMethodA(
 128                     jo_exc.get(), getJniInfo()->m_method_Object_toString, nullptr ) );
 129             jni.ensure_no_exception();
 130             throw BridgeRuntimeError(
 131                 "throwing java exception failed: "
 132                 + jstring_to_oustring( jni, static_cast<jstring>(jo_descr.get()) )
 133                 + jni.get_stack_trace() );
 134         }
 135     }
 136     else
 137     {
 138         OUString message(
 139             "thrown exception is no uno exception: " +
 140             OUString::unacquired( &uno_exc->pType->pTypeName ) +
 141             jni.get_stack_trace() );
 142         uno_any_destruct( uno_exc, nullptr );
 143         throw BridgeRuntimeError( message );
 144     }
 145 }
 146
 147 union largest
 148 {
 149     sal_Int64 n;
 150     double d;
 151     void * p;
 152     uno_Any a;
 153 };
 154
 155
 156 jobject Bridge::call_uno(
 157     JNI_context const & jni,
 158     uno_Interface * pUnoI, typelib_TypeDescription * member_td,
 159     typelib_TypeDescriptionReference * return_type,
 160     sal_Int32 nParams, typelib_MethodParameter const * pParams,
 161     jobjectArray jo_args /* may be 0 */ ) const
 162 {
 163     // return mem
 164     sal_Int32 return_size;
 165     switch (return_type->eTypeClass) {
 166     case typelib_TypeClass_VOID:
 167         return_size = 0;
 168         break;
 169
 170     case typelib_TypeClass_STRUCT:
 171     case typelib_TypeClass_EXCEPTION:
 172         return_size = std::max(
 173             TypeDescr(return_type).get()->nSize,
 174             static_cast< sal_Int32 >(sizeof (largest)));
 175         break;
 176
 177     default:
 178         return_size = sizeof (largest);
 179         break;
 180     }
 181
 182     char * mem = static_cast<char *>(alloca(
 183         (nParams * sizeof (void *)) +
 184         return_size + (nParams * sizeof (largest)) ));
 185     void ** uno_args = reinterpret_cast<void **>(mem);
 186     void * uno_ret = return_size == 0 ? nullptr : (mem + (nParams * sizeof (void *)));
 187     largest * uno_args_mem = reinterpret_cast<largest *>
 188         (mem + (nParams * sizeof (void *)) + return_size);
 189
 190     assert( (nParams == 0) || (nParams == jni->GetArrayLength( jo_args )) );
 191     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 192     {
 193         typelib_MethodParameter const & param = pParams[ nPos ];
 194         typelib_TypeDescriptionReference * type = param.pTypeRef;
 195
 196         uno_args[ nPos ] = &uno_args_mem[ nPos ];
 197         if (type->eTypeClass == typelib_TypeClass_STRUCT ||
 198             type->eTypeClass == typelib_TypeClass_EXCEPTION)
 199         {
 200             TypeDescr td( type );
 201             if (sal::static_int_cast< sal_uInt32 >(td.get()->nSize)
 202                 > sizeof (largest))
 203                 uno_args[ nPos ] = alloca( td.get()->nSize );
 204         }
 205
 206         if (param.bIn)
 207         {
 208             try
 209             {
 210                 JLocalAutoRef jo_arg(
 211                     jni, jni->GetObjectArrayElement( jo_args, nPos ) );
 212                 jni.ensure_no_exception();
 213                 jvalue java_arg;
 214                 java_arg.l = jo_arg.get();
 215                 map_to_uno(
 216                     jni, uno_args[ nPos ], java_arg, type, nullptr,
 217                     false /* no assign */, param.bOut,
 218                     true /* special wrapped integral types */ );
 219             }
 220             catch (...)
 221             {
 222                 // cleanup uno in args
 223                 for ( sal_Int32 n = 0; n < nPos; ++n )
 224                 {
 225                     typelib_MethodParameter const & p = pParams[ n ];
 226                     if (p.bIn)
 227                     {
 228                         uno_type_destructData(
 229                             uno_args[ n ], p.pTypeRef, nullptr );
 230                     }
 231                 }
 232                 throw;
 233             }
 234         }
 235     }
 236
 237     uno_Any uno_exc_holder;
 238     uno_Any * uno_exc = &uno_exc_holder;
 239     // call binary uno
 240     (*pUnoI->pDispatcher)( pUnoI, member_td, uno_ret, uno_args, &uno_exc );
 241
 242     if (uno_exc == nullptr)
 243     {
 244         // convert out args; destruct uno args
 245         for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 246         {
 247             typelib_MethodParameter const & param = pParams[ nPos ];
 248             typelib_TypeDescriptionReference * type = param.pTypeRef;
 249             if (param.bOut)
 250             {
 251                 try
 252                 {
 253                     // get out holder array[ 1 ]
 254                     JLocalAutoRef jo_out_holder(
 255                         jni, jni->GetObjectArrayElement( jo_args, nPos ) );
 256                     jni.ensure_no_exception();
 257                     jvalue java_arg;
 258                     java_arg.l = jo_out_holder.get();
 259                     map_to_java(
 260                         jni, &java_arg, uno_args[ nPos ], type, nullptr,
 261                         true /* in */, true /* out holder */ );
 262                 }
 263                 catch (...)
 264                 {
 265                     // cleanup further uno args
 266                     for ( sal_Int32 n = nPos; n < nParams; ++n )
 267                     {
 268                         uno_type_destructData(
 269                             uno_args[ n ], pParams[ n ].pTypeRef, nullptr );
 270                     }
 271                     // cleanup uno return value
 272                     uno_type_destructData( uno_ret, return_type, nullptr );
 273                     throw;
 274                 }
 275             }
 276             if (typelib_TypeClass_DOUBLE < type->eTypeClass &&
 277                 type->eTypeClass != typelib_TypeClass_ENUM) // opt
 278             {
 279                 uno_type_destructData( uno_args[ nPos ], type, nullptr );
 280             }
 281         }
 282
 283         if (return_type->eTypeClass != typelib_TypeClass_VOID)
 284         {
 285             // convert uno return value
 286             jvalue java_ret;
 287             try
 288             {
 289                 map_to_java(
 290                     jni, &java_ret, uno_ret, return_type, nullptr,
 291                     true /* in */, false /* no out */,
 292                     true /* special_wrapped_integral_types */ );
 293             }
 294             catch (...)
 295             {
 296                 uno_type_destructData( uno_ret, return_type, nullptr );
 297                 throw;
 298             }
 299             if (typelib_TypeClass_DOUBLE < return_type->eTypeClass &&
 300                 return_type->eTypeClass != typelib_TypeClass_ENUM) // opt
 301             {
 302                 uno_type_destructData( uno_ret, return_type, nullptr );
 303             }
 304             return java_ret.l;
 305         }
 306         return nullptr; // void return
 307     }
 308     else // exception occurred
 309     {
 310         // destruct uno in args
 311         for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 312         {
 313             typelib_MethodParameter const & param = pParams[ nPos ];
 314             if (param.bIn)
 315                 uno_type_destructData( uno_args[ nPos ], param.pTypeRef, nullptr );
 316         }
 317
 318         handle_uno_exc( jni, uno_exc );
 319         return nullptr;
 320     }
 321 }
 322
 323 }
 324
 325 using namespace ::jni_uno;
 326
 327 extern "C"
 328 {
 329
 330
 331 SAL_JNI_EXPORT jobject
 332 JNICALL Java_com_sun_star_bridges_jni_1uno_JNI_1proxy_dispatch_1call(
 333     JNIEnv * jni_env, jobject jo_proxy, jlong bridge_handle, jstring jo_method,
 334     jobjectArray jo_args /* may be 0 */ )
 335 {
 336     Bridge const * bridge = reinterpret_cast< Bridge const * >( bridge_handle );
 337     JNI_info const * jni_info = bridge->getJniInfo();
 338     JNI_context jni(
 339         jni_info, jni_env,
 340         static_cast< jobject >(
 341             static_cast<JniUnoEnvironmentData *>(bridge->m_java_env->pContext)
 342             ->machine->getClassLoader()));
 343
 344     OUString method_name;
 345
 346     try
 347     {
 348         method_name = jstring_to_oustring( jni, jo_method );
 349         SAL_INFO(
 350             "bridges",
 351             "java->uno call: " << method_name << " on oid "
 352             << jstring_to_oustring(
 353                 jni,
 354                 static_cast<jstring>(
 355                     JLocalAutoRef(
 356                         jni,
 357                         jni->GetObjectField(
 358                             jo_proxy, jni_info->m_field_JNI_proxy_m_oid))
 359                     .get())));
 360         // special IQueryInterface.queryInterface()
 361         if ( method_name == "queryInterface" )
 362         {
 363             // oid
 364             JLocalAutoRef jo_oid(
 365                 jni, jni->GetObjectField(
 366                     jo_proxy, jni_info->m_field_JNI_proxy_m_oid ) );
 367             // type
 368             JLocalAutoRef jo_type(
 369                 jni, jni->GetObjectArrayElement( jo_args, 0 ) );
 370             jni.ensure_no_exception();
 371
 372             JLocalAutoRef jo_type_name(
 373                 jni, jni->GetObjectField(
 374                     jo_type.get(), jni_info->m_field_Type_typeName ) );
 375             if (! jo_type_name.is())
 376             {
 377                 throw BridgeRuntimeError(
 378                     "incomplete type object: no type name!" +
 379                     jni.get_stack_trace() );
 380             }
 381             OUString type_name(
 382                 jstring_to_oustring( jni, static_cast<jstring>(jo_type_name.get()) ) );
 383             JNI_type_info const * info =
 384                 jni_info->get_type_info( jni, type_name );
 385             if (info->m_td.get()->eTypeClass != typelib_TypeClass_INTERFACE)
 386             {
 387                 throw BridgeRuntimeError(
 388                     "queryInterface() call demands an INTERFACE type!" );
 389             }
 390             JNI_interface_type_info const * iface_info =
 391                 static_cast< JNI_interface_type_info const * >( info );
 392
 393             // getRegisteredInterface() already tested in JNI_proxy:
 394             // perform queryInterface call on binary uno interface
 395             uno_Interface * pUnoI = reinterpret_cast< uno_Interface * >(
 396                 jni->GetLongField(
 397                     jo_proxy, jni_info->m_field_JNI_proxy_m_receiver_handle ) );
 398
 399             uno_Any uno_ret;
 400             void * uno_args[] = { &iface_info->m_td.get()->pWeakRef };
 401             uno_Any uno_exc_holder;
 402             uno_Any * uno_exc = &uno_exc_holder;
 403             // call binary uno
 404             (*pUnoI->pDispatcher)(
 405                 pUnoI, jni_info->m_XInterface_queryInterface_td.get(),
 406                 &uno_ret, uno_args, &uno_exc );
 407             if (uno_exc == nullptr)
 408             {
 409                 jobject jo_ret = nullptr;
 410                 if (uno_ret.pType->eTypeClass == typelib_TypeClass_INTERFACE)
 411                 {
 412                     uno_Interface * pUnoRet =
 413                         static_cast<uno_Interface *>(uno_ret.pReserved);
 414                     if (pUnoRet != nullptr)
 415                     {
 416                         try
 417                         {
 418                             jo_ret =
 419                                 bridge->map_to_java( jni, pUnoRet, iface_info );
 420                         }
 421                         catch (...)
 422                         {
 423                             uno_any_destruct( &uno_ret, nullptr );
 424                             throw;
 425                         }
 426                     }
 427                 }
 428                 uno_any_destruct( &uno_ret, nullptr );
 429                 return jo_ret;
 430             }
 431             else
 432             {
 433                 bridge->handle_uno_exc( jni, uno_exc );
 434                 return nullptr;
 435             }
 436         }
 437
 438         typelib_InterfaceTypeDescription * td =
 439             reinterpret_cast< typelib_InterfaceTypeDescription * >(
 440                 jni->GetLongField(
 441                     jo_proxy, jni_info->m_field_JNI_proxy_m_td_handle ) );
 442         uno_Interface * pUnoI =
 443             reinterpret_cast< uno_Interface * >(
 444                 jni->GetLongField(
 445                     jo_proxy, jni_info->m_field_JNI_proxy_m_receiver_handle ) );
 446
 447         typelib_TypeDescriptionReference ** ppAllMembers = td->ppAllMembers;
 448         for ( sal_Int32 nPos = td->nAllMembers; nPos--; )
 449         {
 450             // try to avoid getting typedescription as long as possible,
 451             // because of a Mutex.acquire() in
 452             // typelib_typedescriptionreference_getDescription()
 453             typelib_TypeDescriptionReference * member_type =
 454                 ppAllMembers[ nPos ];
 455
 456             // check method_name against fully qualified type_name
 457             // of member_type; type_name is of the form
 458             //  <name> "::" <method_name> *(":@" <idx> "," <idx> ":" <name>)
 459             OUString const & type_name =
 460                 OUString::unacquired( &member_type->pTypeName );
 461             sal_Int32 offset = type_name.indexOf( ':' ) + 2;
 462             assert(offset >= 2);
 463             assert(offset < type_name.getLength());
 464             assert(type_name[offset - 1] == ':' );
 465             sal_Int32 remainder = type_name.getLength() - offset;
 466             if (member_type->eTypeClass == typelib_TypeClass_INTERFACE_METHOD)
 467             {
 468                 if ((method_name.getLength() == remainder
 469                      || (method_name.getLength() < remainder
 470                          && type_name[offset + method_name.getLength()] == ':'))
 471                     && type_name.match(method_name, offset))
 472                 {
 473                     TypeDescr member_td( member_type );
 474                     typelib_InterfaceMethodTypeDescription * method_td =
 475                         reinterpret_cast<
 476                           typelib_InterfaceMethodTypeDescription * >(
 477                               member_td.get() );
 478                     return bridge->call_uno(
 479                         jni, pUnoI, member_td.get(),
 480                         method_td->pReturnTypeRef,
 481                         method_td->nParams, method_td->pParams,
 482                         jo_args );
 483                 }
 484             }
 485             else // attribute
 486             {
 487                 assert(
 488                     member_type->eTypeClass ==
 489                       typelib_TypeClass_INTERFACE_ATTRIBUTE );
 490
 491                 if (method_name.getLength() >= 3
 492                     && (method_name.getLength() - 3 == remainder
 493                         || (method_name.getLength() - 3 < remainder
 494                             && type_name[
 495                                 offset + (method_name.getLength() - 3)] == ':'))
 496                     && method_name[1] == 'e' && method_name[2] == 't'
 497                     && rtl_ustr_compare_WithLength(
 498                         type_name.getStr() + offset,
 499                         method_name.getLength() - 3,
 500                         method_name.getStr() + 3,
 501                         method_name.getLength() - 3) == 0)
 502                 {
 503                     if (method_name[ 0 ] == 'g')
 504                     {
 505                         TypeDescr member_td( member_type );
 506                         typelib_InterfaceAttributeTypeDescription * attr_td =
 507                             reinterpret_cast<
 508                               typelib_InterfaceAttributeTypeDescription * >(
 509                                   member_td.get() );
 510                         return bridge->call_uno(
 511                             jni, pUnoI, member_td.get(),
 512                             attr_td->pAttributeTypeRef,
 513                             0, nullptr,
 514                             jo_args );
 515                     }
 516                     else if (method_name[ 0 ] == 's')
 517                     {
 518                         TypeDescr member_td( member_type );
 519                         typelib_InterfaceAttributeTypeDescription * attr_td =
 520                             reinterpret_cast<
 521                               typelib_InterfaceAttributeTypeDescription * >(
 522                                   member_td.get() );
 523                         if (! attr_td->bReadOnly)
 524                         {
 525                             typelib_MethodParameter param;
 526                             param.pTypeRef = attr_td->pAttributeTypeRef;
 527                             param.bIn = true;
 528                             param.bOut = false;
 529                             return bridge->call_uno(
 530                                 jni, pUnoI, member_td.get(),
 531                                 jni_info->m_void_type.getTypeLibType(),
 532                                 1, &param,
 533                                 jo_args );
 534                         }
 535                     }
 536                 }
 537             }
 538         }
 539         // the thing that should not be... no method info found!
 540         throw BridgeRuntimeError(
 541             "calling undeclared function on interface "
 542             + OUString::unacquired(&td->aBase.pTypeName)
 543             + ": " + method_name + jni.get_stack_trace() );
 544     }
 545     catch (const BridgeRuntimeError & err)
 546     {
 547         SAL_WARN(
 548             "bridges",
 549             "Java calling UNO method " << method_name << ": " << err.m_message);
 550         // notify RuntimeException
 551         OString cstr_msg(
 552             "[jni_uno bridge error] Java calling UNO method "
 553             + OUStringToOString(method_name, RTL_TEXTENCODING_JAVA_UTF8) + ": "
 554             + OUStringToOString(err.m_message, RTL_TEXTENCODING_JAVA_UTF8));
 555         if (jni->ThrowNew(jni_info->m_class_RuntimeException, cstr_msg.getStr())
 556             != 0)
 557         {
 558             assert( false );
 559         }
 560         return nullptr;
 561     }
 562     catch (const ::jvmaccess::VirtualMachine::AttachGuard::CreationException &)
 563     {
 564         SAL_WARN("bridges", "attaching current thread to java failed");
 565         OString cstr_msg(
 566             "[jni_uno bridge error] attaching current thread to java failed"
 567             + OUStringToOString(
 568                 jni.get_stack_trace(), RTL_TEXTENCODING_JAVA_UTF8));
 569         if (jni->ThrowNew(jni_info->m_class_RuntimeException, cstr_msg.getStr())
 570             != 0)
 571         {
 572             assert( false );
 573         }
 574         return nullptr;
 575     }
 576 }
 577
 578
 579 SAL_JNI_EXPORT void
 580 JNICALL Java_com_sun_star_bridges_jni_1uno_JNI_1proxy_finalize__J(
 581     JNIEnv * jni_env, jobject jo_proxy, jlong bridge_handle )
 582 {
 583     Bridge const * bridge = reinterpret_cast< Bridge const * >( bridge_handle );
 584     JNI_info const * jni_info = bridge->getJniInfo();
 585     JNI_context jni(
 586         jni_info, jni_env,
 587         static_cast< jobject >(
 588             static_cast<JniUnoEnvironmentData *>(bridge->m_java_env->pContext)
 589             ->machine->getClassLoader()));
 590
 591     uno_Interface * pUnoI = reinterpret_cast< uno_Interface * >(
 592         jni->GetLongField(
 593             jo_proxy, jni_info->m_field_JNI_proxy_m_receiver_handle ) );
 594     typelib_TypeDescription * td =
 595         reinterpret_cast< typelib_TypeDescription * >(
 596             jni->GetLongField(
 597                 jo_proxy, jni_info->m_field_JNI_proxy_m_td_handle ) );
 598     SAL_INFO(
 599         "bridges",
 600         "freeing java uno proxy: "
 601             << jstring_to_oustring(
 602                 jni,
 603                 static_cast<jstring>(
 604                     JLocalAutoRef(
 605                         jni,
 606                         jni->GetObjectField(
 607                             jo_proxy, jni_info->m_field_JNI_proxy_m_oid))
 608                     .get())));
 609     // revoke from uno env; has already been revoked from java env
 610     (*bridge->m_uno_env->revokeInterface)( bridge->m_uno_env, pUnoI );
 611     // release receiver
 612     (*pUnoI->release)( pUnoI );
 613     // release typedescription handle
 614     typelib_typedescription_release( td );
 615     // release bridge handle
 616     bridge->release();
 617 }
 618
 619 }
 620
 621 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */