summaryrefslogtreecommitdiffstats
path: root/stoc/source/corereflection/criface.cxx
blob: f958994d7b1d65f552ec5b210811ec61198b788b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/config.h>

#include <cassert>
#include <cstddef>
#include <limits>

#ifdef SAL_UNX
#include <sal/alloca.h>
#endif
#include <o3tl/any.hxx>
#include <typelib/typedescription.hxx>
#include <uno/data.h>

#include "base.hxx"

#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/reflection/XIdlField2.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <cppuhelper/typeprovider.hxx>

using namespace css::lang;
using namespace css::reflection;
using namespace css::uno;

namespace {

std::size_t multipleOf16(std::size_t n) {
    assert(n <= std::numeric_limits<std::size_t>::max() - 15);
    return (n + 15) & ~std::size_t(15);
}

}

namespace stoc_corefl
{

namespace {

class IdlAttributeFieldImpl
    : public IdlMemberImpl
    , public XIdlField
    , public XIdlField2
{
public:
    typelib_InterfaceAttributeTypeDescription * getAttributeTypeDescr() const
        { return reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>(getTypeDescr()); }

    IdlAttributeFieldImpl( IdlReflectionServiceImpl * pReflection, const OUString & rName,
                           typelib_TypeDescription * pTypeDescr, typelib_TypeDescription * pDeclTypeDescr )
        : IdlMemberImpl( pReflection, rName, pTypeDescr, pDeclTypeDescr )
        {}

    // XInterface
    virtual Any SAL_CALL queryInterface( const Type & rType ) override;
    virtual void SAL_CALL acquire() throw() override;
    virtual void SAL_CALL release() throw() override;

    // XTypeProvider
    virtual Sequence< Type > SAL_CALL getTypes() override;
    virtual Sequence< sal_Int8 > SAL_CALL getImplementationId() override;

    // XIdlMember
    virtual Reference< XIdlClass > SAL_CALL getDeclaringClass() override;
    virtual OUString SAL_CALL getName() override;
    // XIdlField
    virtual Reference< XIdlClass > SAL_CALL getType() override;
    virtual FieldAccessMode SAL_CALL getAccessMode() override;
    virtual Any SAL_CALL get( const Any & rObj ) override;
    virtual void SAL_CALL set( const Any & rObj, const Any & rValue ) override;
    // XIdlField2: getType, getAccessMode and get are equal to XIdlField
    virtual void SAL_CALL set( Any & rObj, const Any & rValue ) override;

private:
    void checkException(
        uno_Any * exception, Reference< XInterface > const & context) const;
};

}

// XInterface

Any IdlAttributeFieldImpl::queryInterface( const Type & rType )
{
    Any aRet( ::cppu::queryInterface( rType,
                                      static_cast< XIdlField * >( this ),
                                      static_cast< XIdlField2 * >( this ) ) );
    return (aRet.hasValue() ? aRet : IdlMemberImpl::queryInterface( rType ));
}

void IdlAttributeFieldImpl::acquire() throw()
{
    IdlMemberImpl::acquire();
}

void IdlAttributeFieldImpl::release() throw()
{
    IdlMemberImpl::release();
}

// XTypeProvider

Sequence< Type > IdlAttributeFieldImpl::getTypes()
{
    static cppu::OTypeCollection s_aTypes(
        cppu::UnoType<XIdlField2>::get(),
        cppu::UnoType<XIdlField>::get(),
        IdlMemberImpl::getTypes() );

    return s_aTypes.getTypes();
}

Sequence< sal_Int8 > IdlAttributeFieldImpl::getImplementationId()
{
    return css::uno::Sequence<sal_Int8>();
}

// XIdlMember

Reference< XIdlClass > IdlAttributeFieldImpl::getDeclaringClass()
{
    if (! _xDeclClass.is())
    {
        ::osl::MutexGuard aGuard( getMutexAccess() );
        if (! _xDeclClass.is())
        {
            OUString aName(getAttributeTypeDescr()->aBase.aBase.pTypeName);
            sal_Int32 i = aName.indexOf(':');
            OSL_ASSERT(i >= 0);
            _xDeclClass = getReflection()->forName(aName.copy(0, i));
        }
    }
    return _xDeclClass;
}

OUString IdlAttributeFieldImpl::getName()
{
    return IdlMemberImpl::getName();
}

// XIdlField

Reference< XIdlClass > IdlAttributeFieldImpl::getType()
{
    return getReflection()->forType(
        getAttributeTypeDescr()->pAttributeTypeRef );
}

FieldAccessMode IdlAttributeFieldImpl::getAccessMode()
{
    return (getAttributeTypeDescr()->bReadOnly
            ? FieldAccessMode_READONLY : FieldAccessMode_READWRITE);
}

Any IdlAttributeFieldImpl::get( const Any & rObj )
{
    uno_Interface * pUnoI = getReflection()->mapToUno(
        rObj, reinterpret_cast<typelib_InterfaceTypeDescription *>(getDeclTypeDescr()) );
    OSL_ENSURE( pUnoI, "### illegal destination object given!" );
    if (pUnoI)
    {
        TypeDescription aTD( getAttributeTypeDescr()->pAttributeTypeRef );
        typelib_TypeDescription * pTD = aTD.get();

        uno_Any aExc;
        uno_Any * pExc = &aExc;
        void * pReturn = alloca( pTD->nSize );

        (*pUnoI->pDispatcher)( pUnoI, getTypeDescr(), pReturn, nullptr, &pExc );
        (*pUnoI->release)( pUnoI );

        checkException(pExc, *o3tl::doAccess<Reference<XInterface>>(rObj));
        Any aRet;
        uno_any_destruct(
            &aRet, reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
        uno_any_constructAndConvert( &aRet, pReturn, pTD, getReflection()->getUno2Cpp().get() );
        uno_destructData( pReturn, pTD, nullptr );
        return aRet;
    }
    throw IllegalArgumentException(
        "illegal object given!",
        static_cast<XWeak *>(static_cast<OWeakObject *>(this)), 0 );
}

void IdlAttributeFieldImpl::set( Any & rObj, const Any & rValue )
{
    if (getAttributeTypeDescr()->bReadOnly)
    {
        throw IllegalAccessException(
            "cannot set readonly attribute!",
            static_cast<XWeak *>(static_cast<OWeakObject *>(this)) );
    }

    uno_Interface * pUnoI = getReflection()->mapToUno(
        rObj, reinterpret_cast<typelib_InterfaceTypeDescription *>(getDeclTypeDescr()) );
    OSL_ENSURE( pUnoI, "### illegal destination object given!" );
    if (pUnoI)
    {
        TypeDescription aTD( getAttributeTypeDescr()->pAttributeTypeRef );
        typelib_TypeDescription * pTD = aTD.get();

        // construct uno value to be set
        void * pArgs[1];
        void * pArg = pArgs[0] = alloca( pTD->nSize );

        bool bAssign;
        if (pTD->eTypeClass == typelib_TypeClass_ANY)
        {
            uno_copyAndConvertData( pArg, const_cast< Any * >(&rValue),
                                    pTD, getReflection()->getCpp2Uno().get() );
            bAssign = true;
        }
        else if (typelib_typedescriptionreference_equals( rValue.getValueTypeRef(), pTD->pWeakRef ))
        {
            uno_copyAndConvertData( pArg, const_cast< void * >(rValue.getValue()),
                                    pTD, getReflection()->getCpp2Uno().get() );
            bAssign = true;
        }
        else if (pTD->eTypeClass == typelib_TypeClass_INTERFACE)
        {
            Reference< XInterface > xObj;
            bAssign = extract(
                rValue, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD), xObj,
                getReflection() );
            if (bAssign)
            {
                *static_cast<void **>(pArg) = getReflection()->getCpp2Uno().mapInterface(
                    xObj.get(), reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) );
            }
        }
        else
        {
            typelib_TypeDescription * pValueTD = nullptr;
            TYPELIB_DANGER_GET( &pValueTD, rValue.getValueTypeRef() );
            // construct temp uno val to do proper assignment: todo opt
            void * pTemp = alloca( pValueTD->nSize );
            uno_copyAndConvertData(
                pTemp, const_cast<void *>(rValue.getValue()), pValueTD, getReflection()->getCpp2Uno().get() );
            uno_constructData(
                pArg, pTD );
            // assignment does simple conversion
            bAssign = uno_assignData(
                pArg, pTD, pTemp, pValueTD, nullptr, nullptr, nullptr );
            uno_destructData(
                pTemp, pValueTD, nullptr );
            TYPELIB_DANGER_RELEASE( pValueTD );
        }

        if (bAssign)
        {
            uno_Any aExc;
            uno_Any * pExc = &aExc;
            (*pUnoI->pDispatcher)( pUnoI, getTypeDescr(), nullptr, pArgs, &pExc );
            (*pUnoI->release)( pUnoI );

            uno_destructData( pArg, pTD, nullptr );
            checkException(pExc, *o3tl::doAccess<Reference<XInterface>>(rObj));
            return;
        }
        (*pUnoI->release)( pUnoI );

        throw IllegalArgumentException(
            "illegal value given!",
            *o3tl::doAccess<Reference<XInterface>>(rObj), 1 );
    }
    throw IllegalArgumentException(
        "illegal destination object given!",
        static_cast<XWeak *>(static_cast<OWeakObject *>(this)), 0 );
}

void IdlAttributeFieldImpl::set( const Any & rObj, const Any & rValue )
{
    IdlAttributeFieldImpl::set( const_cast< Any & >( rObj ), rValue );
}

void IdlAttributeFieldImpl::checkException(
    uno_Any * exception, Reference< XInterface > const & context) const
{
    if (exception == nullptr)
        return;

    Any e;
    uno_any_destruct(&e, reinterpret_cast< uno_ReleaseFunc >(cpp_release));
    uno_type_any_constructAndConvert(
        &e, exception->pData, exception->pType,
        getReflection()->getUno2Cpp().get());
    uno_any_destruct(exception, nullptr);
    if (!e.isExtractableTo(
            cppu::UnoType<RuntimeException>::get()))
    {
        throw WrappedTargetRuntimeException(
            "non-RuntimeException occurred when accessing an"
            " interface type attribute",
            context, e);
    }
    cppu::throwException(e);
}

namespace {

class IdlInterfaceMethodImpl
    : public IdlMemberImpl
    , public XIdlMethod
{
    std::unique_ptr<Sequence< Reference< XIdlClass > >> _pExceptionTypes;
    std::unique_ptr<Sequence< Reference< XIdlClass > >> _pParamTypes;
    std::unique_ptr<Sequence< ParamInfo >>              _pParamInfos;

public:
    typelib_InterfaceMethodTypeDescription * getMethodTypeDescr() const
        { return reinterpret_cast<typelib_InterfaceMethodTypeDescription *>(getTypeDescr()); }

    IdlInterfaceMethodImpl( IdlReflectionServiceImpl * pReflection, const OUString & rName,
                            typelib_TypeDescription * pTypeDescr, typelib_TypeDescription * pDeclTypeDescr )
        : IdlMemberImpl( pReflection, rName, pTypeDescr, pDeclTypeDescr )
        {}

    // XInterface
    virtual Any SAL_CALL queryInterface( const Type & rType ) override;
    virtual void SAL_CALL acquire() throw() override;
    virtual void SAL_CALL release() throw() override;

    // XTypeProvider
    virtual Sequence< Type > SAL_CALL getTypes() override;
    virtual Sequence< sal_Int8 > SAL_CALL getImplementationId() override;

    // XIdlMember
    virtual Reference< XIdlClass > SAL_CALL getDeclaringClass() override;
    virtual OUString SAL_CALL getName() override;
    // XIdlMethod
    virtual Reference< XIdlClass > SAL_CALL getReturnType() override;
    virtual Sequence< Reference< XIdlClass > > SAL_CALL getParameterTypes() override;
    virtual Sequence< ParamInfo > SAL_CALL getParameterInfos() override;
    virtual Sequence< Reference< XIdlClass > > SAL_CALL getExceptionTypes() override;
    virtual MethodMode SAL_CALL getMode() override;
    virtual Any SAL_CALL invoke( const Any & rObj, Sequence< Any > & rArgs ) override;
};

}

// XInterface

Any IdlInterfaceMethodImpl::queryInterface( const Type & rType )
{
    Any aRet( ::cppu::queryInterface( rType, static_cast< XIdlMethod * >( this ) ) );
    return (aRet.hasValue() ? aRet : IdlMemberImpl::queryInterface( rType ));
}

void IdlInterfaceMethodImpl::acquire() throw()
{
    IdlMemberImpl::acquire();
}

void IdlInterfaceMethodImpl::release() throw()
{
    IdlMemberImpl::release();
}

// XTypeProvider

Sequence< Type > IdlInterfaceMethodImpl::getTypes()
{
    static cppu::OTypeCollection s_aTypes(
        cppu::UnoType<XIdlMethod>::get(),
        IdlMemberImpl::getTypes() );

    return s_aTypes.getTypes();
}

Sequence< sal_Int8 > IdlInterfaceMethodImpl::getImplementationId()
{
    return css::uno::Sequence<sal_Int8>();
}

// XIdlMember

Reference< XIdlClass > IdlInterfaceMethodImpl::getDeclaringClass()
{
    if (! _xDeclClass.is())
    {
        ::osl::MutexGuard aGuard( getMutexAccess() );
        if (! _xDeclClass.is())
        {
            OUString aName(getMethodTypeDescr()->aBase.aBase.pTypeName);
            sal_Int32 i = aName.indexOf(':');
            OSL_ASSERT(i >= 0);
            _xDeclClass = getReflection()->forName(aName.copy(0, i));
        }
    }
    return _xDeclClass;
}

OUString IdlInterfaceMethodImpl::getName()
{
    return IdlMemberImpl::getName();
}

// XIdlMethod

Reference< XIdlClass > SAL_CALL IdlInterfaceMethodImpl::getReturnType()
{
    return getReflection()->forType( getMethodTypeDescr()->pReturnTypeRef );
}

Sequence< Reference< XIdlClass > > IdlInterfaceMethodImpl::getExceptionTypes()
{
    if (! _pExceptionTypes)
    {
        ::osl::MutexGuard aGuard( getMutexAccess() );
        if (! _pExceptionTypes)
        {
            sal_Int32 nExc = getMethodTypeDescr()->nExceptions;
            std::unique_ptr<Sequence< Reference< XIdlClass > >> pTempExceptionTypes(
                new Sequence< Reference< XIdlClass > >( nExc ));
            Reference< XIdlClass > * pExceptionTypes = pTempExceptionTypes->getArray();

            typelib_TypeDescriptionReference ** ppExc =
                getMethodTypeDescr()->ppExceptions;
            IdlReflectionServiceImpl * pRefl = getReflection();

            while (nExc--)
                pExceptionTypes[nExc] = pRefl->forType( ppExc[nExc] );

            _pExceptionTypes = std::move(pTempExceptionTypes);
        }
    }
    return *_pExceptionTypes;
}

Sequence< Reference< XIdlClass > > IdlInterfaceMethodImpl::getParameterTypes()
{
    if (! _pParamTypes)
    {
        ::osl::MutexGuard aGuard( getMutexAccess() );
        if (! _pParamTypes)
        {
            sal_Int32 nParams = getMethodTypeDescr()->nParams;
            std::unique_ptr<Sequence< Reference< XIdlClass > > > pTempParamTypes(
                new Sequence< Reference< XIdlClass > >( nParams ));
            Reference< XIdlClass > * pParamTypes = pTempParamTypes->getArray();

            typelib_MethodParameter * pTypelibParams =
                getMethodTypeDescr()->pParams;
            IdlReflectionServiceImpl * pRefl = getReflection();

            while (nParams--)
                pParamTypes[nParams] = pRefl->forType( pTypelibParams[nParams].pTypeRef );

            _pParamTypes = std::move(pTempParamTypes);
        }
    }
    return *_pParamTypes;
}

Sequence< ParamInfo > IdlInterfaceMethodImpl::getParameterInfos()
{
    if (! _pParamInfos)
    {
        ::osl::MutexGuard aGuard( getMutexAccess() );
        if (! _pParamInfos)
        {
            sal_Int32 nParams = getMethodTypeDescr()->nParams;
            std::unique_ptr<Sequence< ParamInfo > > pTempParamInfos( new Sequence< ParamInfo >( nParams ) );
            ParamInfo * pParamInfos = pTempParamInfos->getArray();

            typelib_MethodParameter * pTypelibParams =
                getMethodTypeDescr()->pParams;

            if (_pParamTypes) // use param types
            {
                const Reference< XIdlClass > * pParamTypes = _pParamTypes->getConstArray();

                while (nParams--)
                {
                    const typelib_MethodParameter & rParam = pTypelibParams[nParams];
                    ParamInfo & rInfo = pParamInfos[nParams];
                    rInfo.aName = rParam.pName;
                    if (rParam.bIn)
                        rInfo.aMode = (rParam.bOut ? ParamMode_INOUT : ParamMode_IN);
                    else
                        rInfo.aMode = ParamMode_OUT;
                    rInfo.aType = pParamTypes[nParams];
                }
            }
            else // make also param types sequence if not already initialized
            {
                std::unique_ptr<Sequence< Reference< XIdlClass > > > pTempParamTypes(
                    new Sequence< Reference< XIdlClass > >( nParams ));
                Reference< XIdlClass > * pParamTypes = pTempParamTypes->getArray();

                IdlReflectionServiceImpl * pRefl = getReflection();

                while (nParams--)
                {
                    const typelib_MethodParameter & rParam = pTypelibParams[nParams];
                    ParamInfo & rInfo = pParamInfos[nParams];
                    rInfo.aName = rParam.pName;
                    if (rParam.bIn)
                        rInfo.aMode = (rParam.bOut ? ParamMode_INOUT : ParamMode_IN);
                    else
                        rInfo.aMode = ParamMode_OUT;
                    rInfo.aType = pParamTypes[nParams] = pRefl->forType( rParam.pTypeRef );
                }

                _pParamTypes = std::move(pTempParamTypes);
            }

            _pParamInfos = std::move(pTempParamInfos);
        }
    }
    return *_pParamInfos;
}

MethodMode SAL_CALL IdlInterfaceMethodImpl::getMode()
{
    return
        getMethodTypeDescr()->bOneWay ? MethodMode_ONEWAY : MethodMode_TWOWAY;
}

Any SAL_CALL IdlInterfaceMethodImpl::invoke( const Any & rObj, Sequence< Any > & rArgs )
{
    if (auto ifc = o3tl::tryAccess<css::uno::Reference<css::uno::XInterface>>(
            rObj))
    {
        // acquire()/ release()
        if (rtl_ustr_ascii_compare( getTypeDescr()->pTypeName->buffer,
                                    "com.sun.star.uno.XInterface::acquire" ) == 0)
        {
            (*ifc)->acquire();
            return Any();
        }
        else if (rtl_ustr_ascii_compare( getTypeDescr()->pTypeName->buffer,
                                         "com.sun.star.uno.XInterface::release" ) == 0)
        {
            (*ifc)->release();
            return Any();
        }
    }

    uno_Interface * pUnoI = getReflection()->mapToUno(
        rObj, reinterpret_cast<typelib_InterfaceTypeDescription *>(getDeclTypeDescr()) );
    OSL_ENSURE( pUnoI, "### illegal destination object given!" );
    if (pUnoI)
    {
        sal_Int32 nParams = getMethodTypeDescr()->nParams;
        if (rArgs.getLength() != nParams)
        {
            (*pUnoI->release)( pUnoI );
            throw IllegalArgumentException(
                "expected " + OUString::number(nParams) +
                 " arguments, got " + OUString::number(rArgs.getLength()),
                *o3tl::doAccess<Reference<XInterface>>(rObj), 1 );
        }

        Any * pCppArgs = rArgs.getArray();
        typelib_MethodParameter * pParams = getMethodTypeDescr()->pParams;
        typelib_TypeDescription * pReturnType = nullptr;
        TYPELIB_DANGER_GET(
            &pReturnType, getMethodTypeDescr()->pReturnTypeRef );

        // C/C++ ABIs typically assume that structs are padded at the end, and
        // that those padding bytes may be written to (e.g., to write into the
        // end of a "short" struct by writing the full contents of a "long"
        // register); so create enough space here (assuming that no ABI requires
        // padding larger than 16 byte boundaries):
        void * pUnoReturn = (pReturnType->nSize == 0) ? nullptr : alloca( multipleOf16(pReturnType->nSize) );
        void ** ppUnoArgs = static_cast<void **>(alloca( sizeof(void *) * nParams *2 ));
        typelib_TypeDescription ** ppParamTypes = reinterpret_cast<typelib_TypeDescription **>(ppUnoArgs + nParams);

        // convert arguments
        for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
        {
            ppParamTypes[nPos] = nullptr;
            TYPELIB_DANGER_GET( ppParamTypes + nPos, pParams[nPos].pTypeRef );
            typelib_TypeDescription * pTD = ppParamTypes[nPos];

            ppUnoArgs[nPos] = alloca( pTD->nSize );
            if (pParams[nPos].bIn)
            {
                bool bAssign;
                if (typelib_typedescriptionreference_equals(
                        pCppArgs[nPos].getValueTypeRef(), pTD->pWeakRef ))
                {
                    uno_type_copyAndConvertData(
                        ppUnoArgs[nPos], const_cast<void *>(pCppArgs[nPos].getValue()),
                        pCppArgs[nPos].getValueTypeRef(), getReflection()->getCpp2Uno().get() );
                    bAssign = true;
                }
                else if (pTD->eTypeClass == typelib_TypeClass_ANY)
                {
                    uno_type_any_constructAndConvert(
                        static_cast<uno_Any *>(ppUnoArgs[nPos]), const_cast<void *>(pCppArgs[nPos].getValue()),
                        pCppArgs[nPos].getValueTypeRef(), getReflection()->getCpp2Uno().get() );
                    bAssign = true;
                }
                else if (pTD->eTypeClass == typelib_TypeClass_INTERFACE)
                {
                    Reference< XInterface > xDest;
                    bAssign = extract(
                        pCppArgs[nPos], reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD),
                        xDest, getReflection() );
                    if (bAssign)
                    {
                        *static_cast<void **>(ppUnoArgs[nPos]) = getReflection()->getCpp2Uno().mapInterface(
                            xDest.get(), reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) );
                    }
                }
                else
                {
                    typelib_TypeDescription * pValueTD = nullptr;
                    TYPELIB_DANGER_GET( &pValueTD, pCppArgs[nPos].getValueTypeRef() );
                    // construct temp uno val to do proper assignment: todo opt
                    void * pTemp = alloca( pValueTD->nSize );
                    uno_copyAndConvertData(
                        pTemp, const_cast<void *>(pCppArgs[nPos].getValue()), pValueTD,
                        getReflection()->getCpp2Uno().get() );
                    uno_constructData(
                        ppUnoArgs[nPos], pTD );
                    // assignment does simple conversion
                    bAssign = uno_assignData(
                        ppUnoArgs[nPos], pTD, pTemp, pValueTD, nullptr, nullptr, nullptr );
                    uno_destructData(
                        pTemp, pValueTD, nullptr );
                    TYPELIB_DANGER_RELEASE( pValueTD );
                }

                if (! bAssign)
                {
                    IllegalArgumentException aExc(
                        "cannot coerce argument type during corereflection call:"
                        "\narg no.: " + OUString::number(nPos)
                        + " expected: \"" + OUString::unacquired(&pTD->pTypeName)
                        + "\" actual: \"" + OUString::unacquired(&pCppArgs[nPos].getValueTypeRef()->pTypeName)
                        + "\"",
                        *o3tl::doAccess<Reference<XInterface>>(rObj), static_cast<sal_Int16>(nPos) );

                    // cleanup
                    while (nPos--)
                    {
                        if (pParams[nPos].bIn)
                            uno_destructData( ppUnoArgs[nPos], ppParamTypes[nPos], nullptr );
                        TYPELIB_DANGER_RELEASE( ppParamTypes[nPos] );
                    }
                    TYPELIB_DANGER_RELEASE( pReturnType );
                    (*pUnoI->release)( pUnoI );

                    throw aExc;
                }
            }
        }

        uno_Any aUnoExc;
        uno_Any * pUnoExc = &aUnoExc;

        (*pUnoI->pDispatcher)(
            pUnoI, getTypeDescr(), pUnoReturn, ppUnoArgs, &pUnoExc );
        (*pUnoI->release)( pUnoI );

        Any aRet;
        if (pUnoExc)
        {
            // cleanup
            while (nParams--)
            {
                if (pParams[nParams].bIn)
                    uno_destructData( ppUnoArgs[nParams], ppParamTypes[nParams], nullptr );
                TYPELIB_DANGER_RELEASE( ppParamTypes[nParams] );
            }
            TYPELIB_DANGER_RELEASE( pReturnType );

            InvocationTargetException aExc;
            aExc.Context = *o3tl::doAccess<Reference<XInterface>>(rObj);
            aExc.Message = "exception occurred during invocation!";
            uno_any_destruct(
                &aExc.TargetException,
                reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
            uno_type_copyAndConvertData(
                &aExc.TargetException, pUnoExc, cppu::UnoType<Any>::get().getTypeLibType(),
                getReflection()->getUno2Cpp().get() );
            uno_any_destruct( pUnoExc, nullptr );
            throw aExc;
        }
        else
        {
            // reconvert arguments and cleanup
            while (nParams--)
            {
                if (pParams[nParams].bOut) // write back
                {
                    uno_any_destruct(
                        &pCppArgs[nParams],
                        reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
                    uno_any_constructAndConvert(
                        &pCppArgs[nParams], ppUnoArgs[nParams], ppParamTypes[nParams],
                        getReflection()->getUno2Cpp().get() );
                }
                uno_destructData( ppUnoArgs[nParams], ppParamTypes[nParams], nullptr );
                TYPELIB_DANGER_RELEASE( ppParamTypes[nParams] );
            }
            uno_any_destruct(
                &aRet, reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
            uno_any_constructAndConvert(
                &aRet, pUnoReturn, pReturnType,
                getReflection()->getUno2Cpp().get() );
            uno_destructData( pUnoReturn, pReturnType, nullptr );
            TYPELIB_DANGER_RELEASE( pReturnType );
        }
        return aRet;
    }
    throw IllegalArgumentException(
        "illegal destination object given!",
        static_cast<XWeak *>(static_cast<OWeakObject *>(this)), 0 );
}


InterfaceIdlClassImpl::~InterfaceIdlClassImpl()
{
    for ( sal_Int32 nPos = _nMethods + _nAttributes; nPos--; )
        typelib_typedescription_release( _pSortedMemberInit[nPos].second );
}


Sequence< Reference< XIdlClass > > InterfaceIdlClassImpl::getSuperclasses()
{
    ::osl::MutexGuard aGuard(getMutexAccess());
    if (!_xSuperClasses.hasElements()) {
        typelib_InterfaceTypeDescription * pType = getTypeDescr();
        _xSuperClasses.realloc(pType->nBaseTypes);
        for (sal_Int32 i = 0; i < pType->nBaseTypes; ++i) {
            _xSuperClasses[i] = getReflection()->forType(
                &pType->ppBaseTypes[i]->aBase);
            OSL_ASSERT(_xSuperClasses[i].is());
        }
    }
    return _xSuperClasses;
}

void InterfaceIdlClassImpl::initMembers()
{
    sal_Int32 nAll = getTypeDescr()->nAllMembers;
    std::unique_ptr<MemberInit[]> pSortedMemberInit(new MemberInit[nAll]);
    typelib_TypeDescriptionReference ** ppAllMembers = getTypeDescr()->ppAllMembers;

    for ( sal_Int32 nPos = 0; nPos < nAll; ++nPos )
    {
        sal_Int32 nIndex;
        if (ppAllMembers[nPos]->eTypeClass == typelib_TypeClass_INTERFACE_METHOD)
        {
            // methods to front
            nIndex = _nMethods;
            ++_nMethods;
        }
        else
        {
            ++_nAttributes;
            nIndex = (nAll - _nAttributes);
            // attributes at the back
        }

        typelib_TypeDescription * pTD = nullptr;
        typelib_typedescriptionreference_getDescription( &pTD, ppAllMembers[nPos] );
        assert(pTD && "### cannot get type description!");
        pSortedMemberInit[nIndex].first = reinterpret_cast<typelib_InterfaceMemberTypeDescription *>(pTD)->pMemberName;
        pSortedMemberInit[nIndex].second = pTD;
    }

    _pSortedMemberInit = std::move(pSortedMemberInit);
}

sal_Bool InterfaceIdlClassImpl::isAssignableFrom( const Reference< XIdlClass > & xType )
{
    if (xType.is() && xType->getTypeClass() == TypeClass_INTERFACE)
    {
        if (equals( xType ))
            return true;
        else
        {
            const Sequence< Reference< XIdlClass > > & rSeq = xType->getSuperclasses();
            if (std::any_of(rSeq.begin(), rSeq.end(),
                    [this](const Reference<XIdlClass>& rType){ return isAssignableFrom(rType); }))
                return true;
        }
    }
    return false;
}

Uik InterfaceIdlClassImpl::getUik()
{
    return Uik(0, 0, 0, 0, 0);
        // Uiks are deprecated and this function must not be called
}

Sequence< Reference< XIdlMethod > > InterfaceIdlClassImpl::getMethods()
{
    ::osl::MutexGuard aGuard( getMutexAccess() );
    if (! _pSortedMemberInit)
        initMembers();

    // create methods sequence
    Sequence< Reference< XIdlMethod > > aRet( _nMethods );
    Reference< XIdlMethod > * pRet = aRet.getArray();
    for ( sal_Int32 nPos = _nMethods; nPos--; )
    {

        /*_aName2Method[_pSortedMemberInit[nPos].first] = */pRet[nPos] = new IdlInterfaceMethodImpl(
            getReflection(), _pSortedMemberInit[nPos].first,
            _pSortedMemberInit[nPos].second, IdlClassImpl::getTypeDescr() );
    }
    return aRet;
}

Sequence< Reference< XIdlField > > InterfaceIdlClassImpl::getFields()
{
    ::osl::MutexGuard aGuard( getMutexAccess() );
    if (! _pSortedMemberInit)
        initMembers();

    // create fields sequence
    Sequence< Reference< XIdlField > > aRet( _nAttributes );
    Reference< XIdlField > * pRet = aRet.getArray();
    for ( sal_Int32 nPos = _nAttributes; nPos--; )
    {
        /*_aName2Field[_pSortedMemberInit[_nMethods+nPos].first] = */pRet[_nAttributes-nPos-1] =
            new IdlAttributeFieldImpl(
                getReflection(), _pSortedMemberInit[_nMethods+nPos].first,
                _pSortedMemberInit[_nMethods+nPos].second, IdlClassImpl::getTypeDescr() );
    }
    return aRet;
}

Reference< XIdlMethod > InterfaceIdlClassImpl::getMethod( const OUString & rName )
{
    ::osl::MutexGuard aGuard( getMutexAccess() );
    if (! _pSortedMemberInit)
        initMembers();

    Reference< XIdlMethod > xRet;

    // try weak map
    const OUString2Method::const_iterator iFind( _aName2Method.find( rName ) );
    if (iFind != _aName2Method.end())
        xRet = (*iFind).second; // harden ref

    if (! xRet.is())
    {
        for ( sal_Int32 nPos = _nMethods; nPos--; )
        {
            if (_pSortedMemberInit[nPos].first == rName)
            {
                _aName2Method[rName] = xRet = new IdlInterfaceMethodImpl(
                    getReflection(), rName,
                    _pSortedMemberInit[nPos].second, IdlClassImpl::getTypeDescr() );
                break;
            }
        }
    }
    return xRet;
}

Reference< XIdlField > InterfaceIdlClassImpl::getField( const OUString & rName )
{
    ::osl::MutexGuard aGuard( getMutexAccess() );
    if (! _pSortedMemberInit)
        initMembers();

    Reference< XIdlField > xRet;

    // try weak map
    const OUString2Field::const_iterator iFind( _aName2Field.find( rName ) );
    if (iFind != _aName2Field.end())
        xRet = (*iFind).second; // harden ref

    if (! xRet.is())
    {
        for ( sal_Int32 nPos = _nAttributes; nPos--; )
        {
            if (_pSortedMemberInit[_nMethods+nPos].first == rName)
            {
                _aName2Field[rName] = xRet = new IdlAttributeFieldImpl(
                    getReflection(), rName,
                    _pSortedMemberInit[_nMethods+nPos].second, IdlClassImpl::getTypeDescr() );
                break;
            }
        }
    }
    return xRet;
}

void InterfaceIdlClassImpl::createObject( Any & rObj )
{
    // interfaces cannot be constructed
    rObj.clear();
}

}


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */