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 
22 #include <exception>
23 #include <malloc.h>
24 #include <typeinfo>
25 
26 #include <com/sun/star/uno/Exception.hpp>
27 #include <com/sun/star/uno/RuntimeException.hpp>
28 #include <com/sun/star/uno/genfunc.hxx>
29 #include <o3tl/runtimetooustring.hxx>
30 #include <uno/data.h>
31 
32 #include "bridge.hxx"
33 #include "types.hxx"
34 #include "unointerfaceproxy.hxx"
35 #include "vtables.hxx"
36 
37 #include "share.hxx"
38 
39 #include <stdio.h>
40 #include <string.h>
41 
42 
43 using namespace ::com::sun::star::uno;
44 
MapReturn(const ia64::RegReturn & rRet,double dret,typelib_TypeDescription * pReturnTypeDescr,bool bSimpleReturn,sal_uInt64 * pRegisterReturn)45 void MapReturn(const ia64::RegReturn &rRet, double dret, typelib_TypeDescription * pReturnTypeDescr, bool bSimpleReturn, sal_uInt64 *pRegisterReturn)
46 {
47     switch (pReturnTypeDescr->eTypeClass)
48     {
49     case typelib_TypeClass_HYPER:
50     case typelib_TypeClass_UNSIGNED_HYPER:
51     case typelib_TypeClass_LONG:
52     case typelib_TypeClass_UNSIGNED_LONG:
53     case typelib_TypeClass_ENUM:
54             *pRegisterReturn = rRet.r8;
55             break;
56     case typelib_TypeClass_CHAR:
57     case typelib_TypeClass_SHORT:
58     case typelib_TypeClass_UNSIGNED_SHORT:
59             *pRegisterReturn = (unsigned short)rRet.r8;
60             break;
61     case typelib_TypeClass_BOOLEAN:
62     case typelib_TypeClass_BYTE:
63             *pRegisterReturn = (unsigned char)rRet.r8;
64             break;
65     case typelib_TypeClass_FLOAT:
66             *reinterpret_cast<float *>( pRegisterReturn ) = dret;
67         break;
68     case typelib_TypeClass_DOUBLE:
69             *reinterpret_cast<double *>( pRegisterReturn ) = dret;
70             break;
71     case typelib_TypeClass_STRUCT:
72     case typelib_TypeClass_EXCEPTION:
73         {
74             sal_uInt32 nRetSize = pReturnTypeDescr->nSize;
75             if (bSimpleReturn && nRetSize <= 32 && nRetSize > 0)
76                 memcpy(pRegisterReturn, (void*)&rRet, nRetSize);
77             break;
78         }
79     default:
80     break;
81     }
82 }
83 
84 namespace ia64
85 {
is_complex_struct(const typelib_TypeDescription * type)86     bool is_complex_struct(const typelib_TypeDescription * type)
87     {
88         const typelib_CompoundTypeDescription * p
89             = reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
90         for (sal_Int32 i = 0; i < p->nMembers; ++i)
91         {
92             if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT ||
93                 p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION)
94             {
95                 typelib_TypeDescription * t = 0;
96                 TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]);
97                 bool b = is_complex_struct(t);
98                 TYPELIB_DANGER_RELEASE(t);
99                 if (b) {
100                     return true;
101                 }
102             }
103             else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass))
104                 return true;
105         }
106         if (p->pBaseTypeDescription != 0)
107             return is_complex_struct(&p->pBaseTypeDescription->aBase);
108         return false;
109     }
110 
is_complex_struct(typelib_TypeDescriptionReference * pTypeRef)111     bool is_complex_struct( typelib_TypeDescriptionReference *pTypeRef )
112     {
113         if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
114     {
115             typelib_TypeDescription * pTypeDescr = 0;
116             TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
117 
118             bool bRet = is_complex_struct( pTypeDescr );
119             TYPELIB_DANGER_RELEASE( pTypeDescr );
120 
121             return bRet;
122        }
123        return false;
124     }
125 
return_via_r8_buffer(typelib_TypeDescriptionReference * pTypeRef)126     bool return_via_r8_buffer( typelib_TypeDescriptionReference *pTypeRef )
127     {
128         if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
129     {
130             if (is_complex_struct( pTypeRef )) return false;
131 
132             typelib_TypeDescription * pTypeDescr = 0;
133             TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
134 
135             /* If the struct is larger than 32 bytes, then there is a buffer at r8 to stick the return value into  */
136             bool bRet = pTypeDescr->nSize > 32;
137             TYPELIB_DANGER_RELEASE( pTypeDescr );
138             return bRet;
139        }
140        return false;
141     }
142 
return_in_hidden_param(typelib_TypeDescriptionReference * pTypeRef)143     bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef )
144     {
145         if (bridges::cpp_uno::shared::isSimpleType(pTypeRef))
146             return false;
147         else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
148             return is_complex_struct( pTypeRef );
149         return true;
150     }
151 
152 
153 }
154 
155 namespace
156 {
157 
callVirtualMethod(void * pThis,sal_uInt32 nVtableIndex,void * pRegisterReturn,typelib_TypeDescription * pReturnTypeDescr,bool bSimpleReturn,sal_uInt64 * pStack,sal_uInt32 nStack,sal_uInt64 * pGPR,sal_uInt32 nGPR,double * pFPR,sal_uInt32 nFPR)158 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
159     void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr, bool bSimpleReturn,
160         sal_uInt64 *pStack, sal_uInt32 nStack,
161         sal_uInt64 *pGPR, sal_uInt32 nGPR,
162         double *pFPR, sal_uInt32 nFPR)
163 {
164     // Stack, if used, must be 16-bytes aligned
165     if ( nStack )
166         nStack = ( nStack + 1 ) & ~1;
167 
168     // Should not happen, but...
169     if ( nFPR > ia64::MAX_SSE_REGS )
170         nFPR = ia64::MAX_SSE_REGS;
171     if ( nGPR > ia64::MAX_GPR_REGS )
172         nGPR = ia64::MAX_GPR_REGS;
173 
174 #if OSL_DEBUG_LEVEL > 2
175         // Let's figure out what is really going on here
176         {
177                 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
178                 for ( unsigned int i = 0; i < nGPR; ++i )
179                         fprintf( stderr, "0x%lx, ", pGPR[i] );
180                 fprintf( stderr, "\nFPR's (%d): ", nFPR );
181                 for ( unsigned int i = 0; i < nFPR; ++i )
182                         fprintf( stderr, "0x%lx (%f), ", pFPR[i], pFPR[i] );
183                 fprintf( stderr, "\nStack (%d): ", nStack );
184                 for ( unsigned int i = 0; i < nStack; ++i )
185                         fprintf( stderr, "0x%lx, ", pStack[i] );
186                 fprintf( stderr, "\n" );
187         fprintf( stderr, "pRegisterReturn is %p\n", pRegisterReturn);
188         }
189 #endif
190 
191     // Load parameters to stack, if necessary
192     sal_uInt64 *stack = (sal_uInt64 *) __builtin_alloca( nStack * 8 );
193     memcpy( stack, pStack, nStack * 8 );
194 
195     // To get pointer to method
196     // a) get the address of the vtable
197     sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
198     // b) get the address from the vtable entry at offset, each entry is 16bytes,
199     // 8 for function pointer, and 8 for global pointer
200     pMethod += 16 * nVtableIndex;
201 
202     typedef void (* FunctionCall )( sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64 );
203     FunctionCall pFunc = (FunctionCall)pMethod;
204 
205     switch (nFPR) //deliberate fall through
206     {
207         case 8:
208             asm volatile("ldfd f15=%0" : : "m"(pFPR[7]) : "f15");
209         case 7:
210             asm volatile("ldfd f14=%0" : : "m"(pFPR[6]) : "f14");
211         case 6:
212             asm volatile("ldfd f13=%0" : : "m"(pFPR[5]) : "f13");
213         case 5:
214             asm volatile("ldfd f12=%0" : : "m"(pFPR[4]) : "f12");
215         case 4:
216             asm volatile("ldfd f11=%0" : : "m"(pFPR[3]) : "f11");
217         case 3:
218             asm volatile("ldfd f10=%0" : : "m"(pFPR[2]) : "f10");
219         case 2:
220             asm volatile("ldfd f9=%0" : : "m"(pFPR[1]) : "f9");
221         case 1:
222             asm volatile("ldfd f8=%0" : : "m"(pFPR[0]) : "f8");
223         default:
224             break;
225     }
226 
227     //stick the return area into r8 for big struct returning
228     asm volatile("ld8 r8=%0" : : "m"(pRegisterReturn) : "r8");
229 
230     (*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3], pGPR[4], pGPR[5], pGPR[6], pGPR[7]);
231 
232     register double f8 asm("f8");
233     ia64::RegReturn ret;
234     {
235         register long r8 asm("r8"); ret.r8 = r8;
236         register long r9 asm("r9"); ret.r9 = r9;
237         register long r10 asm("r10"); ret.r10 = r10;
238         register long r11 asm("r11"); ret.r11 = r11;
239     }
240 
241     MapReturn(ret, f8, pReturnTypeDescr, bSimpleReturn, (sal_uInt64*)pRegisterReturn);
242 }
243 
244 // Macros for easier insertion of values to registers or stack
245 // pSV - pointer to the source
246 // nr - order of the value [will be increased if stored to register]
247 // pFPR, pGPR - pointer to the registers
248 // pDS - pointer to the stack [will be increased if stored here]
249 
250 // The value in %xmm register is already prepared to be retrieved as a float,
251 // thus we treat float and double the same
252 #define INSERT_FLOAT( pSV, nfr, pFPR, ngr, pGPR, pDS, bOverflow ) \
253         if ( nfr < ia64::MAX_SSE_REGS && ngr < ia64::MAX_GPR_REGS ) \
254                 pFPR[nfr++] = *reinterpret_cast<float *>( pSV ); \
255         if ( ngr < ia64::MAX_GPR_REGS ) \
256                 pGPR[ngr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
257         else \
258             bOverflow = true; \
259         if (bOverflow) \
260                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
261 
262 #define INSERT_DOUBLE( pSV, nfr, pFPR, ngr, pGPR, pDS, bOverflow ) \
263         if ( nfr < ia64::MAX_SSE_REGS && ngr < ia64::MAX_GPR_REGS ) \
264                 pFPR[nfr++] = *reinterpret_cast<double *>( pSV ); \
265         if ( ngr < ia64::MAX_GPR_REGS ) \
266                 pGPR[ngr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
267         else \
268             bOverflow = true; \
269         if (bOverflow) \
270                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
271 
272 #define INSERT_INT64( pSV, nr, pGPR, pDS, bOverflow ) \
273         if ( nr < ia64::MAX_GPR_REGS ) \
274                 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
275         else \
276         bOverflow = true; \
277     if (bOverflow) \
278                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
279 
280 #define INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow ) \
281         if ( nr < ia64::MAX_GPR_REGS ) \
282                 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
283         else \
284                 bOverflow = true; \
285         if (bOverflow) \
286                 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
287 
288 #define INSERT_INT16( pSV, nr, pGPR, pDS, bOverflow ) \
289         if ( nr < ia64::MAX_GPR_REGS ) \
290                 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
291         else \
292                 bOverflow = true; \
293         if (bOverflow) \
294                 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
295 
296 #define INSERT_INT8( pSV, nr, pGPR, pDS, bOverflow ) \
297         if ( nr < ia64::MAX_GPR_REGS ) \
298                 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
299         else \
300                 bOverflow = true; \
301         if (bOverflow) \
302                 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
303 
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)304 static void cpp_call(
305     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
306     bridges::cpp_uno::shared::VtableSlot  aVtableSlot,
307     typelib_TypeDescriptionReference * pReturnTypeRef,
308     sal_Int32 nParams, typelib_MethodParameter * pParams,
309     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
310 {
311       // max space for: [complex ret ptr], values|ptr ...
312       sal_uInt64 * pStack = (sal_uInt64 *)alloca( (nParams+3) * sizeof(sal_Int64) );
313       sal_uInt64 * pStackStart = pStack;
314 
315     sal_uInt64 pGPR[ia64::MAX_GPR_REGS];
316     sal_uInt32 nGPR = 0;
317 
318     double pFPR[ia64::MAX_SSE_REGS];
319     sal_uInt32 nFPR = 0;
320 
321     // return
322     typelib_TypeDescription * pReturnTypeDescr = 0;
323     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
324     assert(pReturnTypeDescr);
325 
326     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
327 
328         bool bOverflow = false;
329 
330     bool bSimpleReturn = true;
331     if (pReturnTypeDescr)
332     {
333 #if OSL_DEBUG_LEVEL > 2
334         fprintf(stderr, "return type is %d\n", pReturnTypeDescr->eTypeClass);
335 #endif
336         if ( ia64::return_in_hidden_param(pReturnTypeRef) || ia64::return_via_r8_buffer(pReturnTypeRef) )
337                         bSimpleReturn = false;
338 
339                 if ( bSimpleReturn )
340         {
341             pCppReturn = pUnoReturn; // direct way for simple types
342 #if OSL_DEBUG_LEVEL > 2
343             fprintf(stderr, "simple return\n");
344 #endif
345         }
346         else
347         {
348             // complex return via ptr
349             pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
350                    ? alloca( pReturnTypeDescr->nSize ) : pUnoReturn);
351 #if OSL_DEBUG_LEVEL > 2
352             fprintf(stderr, "pCppReturn/pUnoReturn is %lx/%lx", pCppReturn, pUnoReturn);
353 #endif
354                         if (!ia64::return_via_r8_buffer(pReturnTypeRef))
355                 INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack, bOverflow );
356         }
357     }
358     // push "this" pointer
359         void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
360 
361 #if OSL_DEBUG_LEVEL > 2
362     fprintf(stderr, "this pointer is %p\n", pAdjustedThisPtr);
363 #endif
364     INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack, bOverflow );
365 
366         // Args
367         void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
368     // indices of values this have to be converted (interface conversion cpp<=>uno)
369     sal_Int32 * pTempIndices = (sal_Int32 *)(pCppArgs + nParams);
370     // type descriptions for reconversions
371     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
372 
373     sal_Int32 nTempIndices   = 0;
374 
375 #if OSL_DEBUG_LEVEL > 2
376     fprintf(stderr, "n params is %d\n", nParams);
377 #endif
378 
379     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
380     {
381         const typelib_MethodParameter & rParam = pParams[nPos];
382         typelib_TypeDescription * pParamTypeDescr = 0;
383         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
384 
385 #if OSL_DEBUG_LEVEL > 2
386         fprintf(stderr, "param %d is %d %d %d\n", nPos, rParam.bOut, bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ),
387             pParamTypeDescr->eTypeClass);
388 #endif
389 
390         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
391         {
392 //          uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
393             uno_copyAndConvertData( pCppArgs[nPos] = pStack, pUnoArgs[nPos], pParamTypeDescr,
394                                     pThis->getBridge()->getUno2Cpp() );
395                 switch (pParamTypeDescr->eTypeClass)
396                         {
397                         case typelib_TypeClass_HYPER:
398                         case typelib_TypeClass_UNSIGNED_HYPER:
399 #if OSL_DEBUG_LEVEL > 2
400                 fprintf(stderr, "hyper is %lx\n", *(unsigned long*)(pCppArgs[nPos]));
401 #endif
402                                 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
403                                 break;
404                         case typelib_TypeClass_LONG:
405                         case typelib_TypeClass_UNSIGNED_LONG:
406                         case typelib_TypeClass_ENUM:
407 #if OSL_DEBUG_LEVEL > 2
408                 fprintf(stderr, "long is %lx\n", *(unsigned int*)(pCppArgs[nPos]));
409 #endif
410                                 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
411                                 break;
412                         case typelib_TypeClass_SHORT:
413                         case typelib_TypeClass_CHAR:
414                         case typelib_TypeClass_UNSIGNED_SHORT:
415 #if OSL_DEBUG_LEVEL > 2
416                 fprintf(stderr, "short is %x\n", *(unsigned short*)(pCppArgs[nPos]));
417 #endif
418                                 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
419                                 break;
420                         case typelib_TypeClass_BOOLEAN:
421                         case typelib_TypeClass_BYTE:
422 #if OSL_DEBUG_LEVEL > 2
423                 fprintf(stderr, "byte is %x\n", *(unsigned char*)(pCppArgs[nPos]));
424 #endif
425                                 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
426                                 break;
427                         case typelib_TypeClass_FLOAT:
428 #if OSL_DEBUG_LEVEL > 2
429                 fprintf(stderr, "a float is %f\n", *(float*)(pCppArgs[nPos]));
430                 fprintf(stderr, "b float is %f\n", *(double*)(pCppArgs[nPos]));
431 #endif
432                                 INSERT_FLOAT( pCppArgs[nPos], nFPR, pFPR, nGPR, pGPR, pStack, bOverflow );
433                 break;
434                         case typelib_TypeClass_DOUBLE:
435 #if OSL_DEBUG_LEVEL > 2
436                 fprintf(stderr, "double is %f\n", *(double*)(pCppArgs[nPos]));
437 #endif
438                                 INSERT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, nGPR, pGPR, pStack, bOverflow );
439                                 break;
440             default:
441                 break;
442                         }
443 
444                         // no longer needed
445                         TYPELIB_DANGER_RELEASE( pParamTypeDescr );
446 
447         }
448         else // ptr to complex value | ref
449         {
450 #if OSL_DEBUG_LEVEL > 2
451             fprintf(stderr, "complex type again %d\n", rParam.bIn);
452 #endif
453                         if (! rParam.bIn) // is pure out
454                         {
455 #if OSL_DEBUG_LEVEL > 2
456                 fprintf(stderr, "complex size is %d\n", pParamTypeDescr->nSize );
457 #endif
458                                 // cpp out is constructed mem, uno out is not!
459                                 uno_constructData(
460                                         pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
461                                         pParamTypeDescr );
462                                 pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
463                                 // will be released at reconversion
464                                 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
465                         }
466                         // is in/inout
467                         else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
468                         {
469 #if OSL_DEBUG_LEVEL > 2
470                 fprintf(stderr, "this one\n");
471 #endif
472                                 uno_copyAndConvertData(
473                                         pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
474                                         pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
475 
476                                 pTempIndices[nTempIndices] = nPos; // has to be reconverted
477                                 // will be released at reconversion
478                                 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
479                         }
480                         else // direct way
481                         {
482 #if OSL_DEBUG_LEVEL > 2
483                 fprintf(stderr, "that one, passing %lx through\n", pUnoArgs[nPos]);
484 #endif
485                                 pCppArgs[nPos] = pUnoArgs[nPos];
486                                 // no longer needed
487                                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
488                         }
489                         INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack, bOverflow );
490         }
491     }
492 
493     try
494     {
495         try {
496                callVirtualMethod(
497                         pAdjustedThisPtr, aVtableSlot.index,
498                         pCppReturn, pReturnTypeDescr, bSimpleReturn,
499                         pStackStart, ( pStack - pStackStart ),
500                         pGPR, nGPR,
501                         pFPR, nFPR );
502         } catch (css::uno::Exception &) {
503             throw;
504         } catch (std::exception & e) {
505             throw css::uno::RuntimeException(
506                 "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
507                 + o3tl::runtimeToOUString(e.what()));
508         } catch (...) {
509             throw css::uno::RuntimeException("C++ code threw unknown exception");
510         }
511         // NO exception occurred...
512         *ppUnoExc = 0;
513 
514         // reconvert temporary params
515         for ( ; nTempIndices--; )
516         {
517             sal_Int32 nIndex = pTempIndices[nTempIndices];
518             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
519 
520             if (pParams[nIndex].bIn)
521             {
522                 if (pParams[nIndex].bOut) // inout
523                 {
524                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
525                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
526                                             pThis->getBridge()->getCpp2Uno() );
527                 }
528             }
529             else // pure out
530             {
531                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
532                                         pThis->getBridge()->getCpp2Uno() );
533             }
534             // destroy temp cpp param => cpp: every param was constructed
535             uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
536 
537             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
538         }
539         // return value
540         if (pCppReturn && pUnoReturn != pCppReturn)
541         {
542             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
543                                     pThis->getBridge()->getCpp2Uno() );
544             uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
545         }
546     }
547     catch (...)
548     {
549           // fill uno exception
550         CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
551 
552         // temporary params
553         for ( ; nTempIndices--; )
554         {
555             sal_Int32 nIndex = pTempIndices[nTempIndices];
556             // destroy temp cpp param => cpp: every param was constructed
557             uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
558             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
559         }
560         // return type
561         if (pReturnTypeDescr)
562             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
563     }
564 }
565 
566 }
567 
568 namespace bridges { namespace cpp_uno { namespace shared {
569 
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)570 void unoInterfaceProxyDispatch(
571     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
572     void * pReturn, void * pArgs[], uno_Any ** ppException )
573 {
574     // is my surrogate
575         bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
576             = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI);
577 
578     switch (pMemberDescr->eTypeClass)
579     {
580     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
581     {
582 
583         VtableSlot aVtableSlot(
584             getVtableSlot(
585                 reinterpret_cast<
586                     typelib_InterfaceAttributeTypeDescription const * >(
587                         pMemberDescr)));
588 
589         if (pReturn)
590         {
591             // dependent dispatch
592             cpp_call(
593                 pThis, aVtableSlot,
594                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
595                 0, 0, // no params
596                 pReturn, pArgs, ppException );
597         }
598         else
599         {
600             // is SET
601             typelib_MethodParameter aParam;
602             aParam.pTypeRef =
603                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
604             aParam.bIn      = sal_True;
605             aParam.bOut     = sal_False;
606 
607             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
608             OUString aVoidName("void");
609             typelib_typedescriptionreference_new(
610                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
611 
612             // dependent dispatch
613                         aVtableSlot.index += 1; //get then set method
614             cpp_call(
615                 pThis, aVtableSlot,
616                 pReturnTypeRef,
617                 1, &aParam,
618                 pReturn, pArgs, ppException );
619 
620             typelib_typedescriptionreference_release( pReturnTypeRef );
621         }
622 
623         break;
624     }
625     case typelib_TypeClass_INTERFACE_METHOD:
626     {
627 
628         VtableSlot aVtableSlot(
629             getVtableSlot(
630                 reinterpret_cast<
631                     typelib_InterfaceMethodTypeDescription const * >(
632                         pMemberDescr)));
633         switch (aVtableSlot.index)
634         {
635             // standard calls
636         case 1: // acquire uno interface
637             (*pUnoI->acquire)( pUnoI );
638             *ppException = 0;
639             break;
640         case 2: // release uno interface
641             (*pUnoI->release)( pUnoI );
642             *ppException = 0;
643             break;
644         case 0: // queryInterface() opt
645         {
646             typelib_TypeDescription * pTD = 0;
647             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
648             if (pTD)
649             {
650                 uno_Interface * pInterface = 0;
651                 (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
652                     pThis->pBridge->getUnoEnv(),
653                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
654 
655                 if (pInterface)
656                 {
657                     ::uno_any_construct(
658                         reinterpret_cast< uno_Any * >( pReturn ),
659                         &pInterface, pTD, 0 );
660                     (*pInterface->release)( pInterface );
661                     TYPELIB_DANGER_RELEASE( pTD );
662                     *ppException = 0;
663                     break;
664                 }
665                 TYPELIB_DANGER_RELEASE( pTD );
666             }
667         } // else perform queryInterface()
668         default:
669             // dependent dispatch
670             cpp_call(
671                 pThis, aVtableSlot,
672                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
673                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
674                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
675                 pReturn, pArgs, ppException );
676         }
677         break;
678     }
679     default:
680     {
681         ::com::sun::star::uno::RuntimeException aExc(
682             "illegal member type description!",
683             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
684 
685         Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
686         // binary identical null reference
687         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
688     }
689     }
690 }
691 
692 } } }
693 
694 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
695