xref: /AOO41X/main/bridges/source/cpp_uno/cc50_solaris_intel/uno2cpp.cxx (revision 61dff127b6698e0bae836c8aedd6ec62111483d1) !
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2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
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16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_bridges.hxx"
26 
27 #include <sal/alloca.h>
28 
29 #include <com/sun/star/uno/genfunc.hxx>
30 #include "com/sun/star/uno/RuntimeException.hpp"
31 #include <uno/data.h>
32 
33 #include "bridges/cpp_uno/shared/bridge.hxx"
34 #include "bridges/cpp_uno/shared/types.hxx"
35 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
36 #include "bridges/cpp_uno/shared/vtables.hxx"
37 
38 #include "cc50_solaris_intel.hxx"
39 
40 using namespace rtl;
41 using namespace com::sun::star::uno;
42 
43 namespace
44 {
45 
46 extern "C" {
47     void callVirtualMethod(
48         void * pAdjustedThisPtr,
49         sal_Int32 nVtableIndex,
50         void * pRegisterReturn,
51         typelib_TypeClass eReturnType,
52         sal_Int32 * pStackLongs,
53         sal_Int32 nStackLongs
54         );
55 }
56 
57 //==================================================================================================
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)58 static inline void cpp_call(
59     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
60     bridges::cpp_uno::shared::VtableSlot aVtableSlot,
61     typelib_TypeDescriptionReference * pReturnTypeRef,
62     sal_Int32 nParams, typelib_MethodParameter * pParams,
63     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
64 {
65     // max space for: [complex ret ptr], values|ptr ...
66     char * pCppStack = (char *)alloca( ((nParams+3) * sizeof(sal_Int64)) );
67     char * pCppStackStart = pCppStack;
68 
69     // return
70     typelib_TypeDescription * pReturnTypeDescr = 0;
71     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
72     OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
73 
74     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
75 
76     void * pReturnSpace = 0;
77 
78     if (pReturnTypeDescr)
79     {
80         if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
81         {
82             pCppReturn = pUnoReturn; // direct way for simple types
83         }
84         else
85         {
86             // complex return via ptr
87             pCppReturn = *(void **)pCppStack
88                 = (bridges::cpp_uno::shared::relatesToInterfaceType(
89                        pReturnTypeDescr )
90                    ? alloca( pReturnTypeDescr->nSize )
91                    : pUnoReturn); // direct way
92             pCppStack += sizeof(void *);
93         }
94     }
95     // push this
96     void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
97         + aVtableSlot.offset;
98     *(void**)pCppStack = pAdjustedThisPtr;
99     pCppStack += sizeof( void* );
100 
101     const int nMaxParams = 32;
102     // args
103     void * args_buffer[3 * nMaxParams];
104     void ** pCppArgs  = (void **)(nParams > nMaxParams ? rtl_allocateMemory( 3 * sizeof(void *) * nParams ) : args_buffer);
105     // indizes of values this have to be converted (interface conversion cpp<=>uno)
106     sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
107     // type descriptions for reconversions
108     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
109 
110     sal_Int32 nTempIndizes   = 0;
111 
112     const int nTempBufferSize = 256;
113     sal_Int32 nTempBufferPos = 0;
114     long params_buffer[nTempBufferSize];
115 
116     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
117     {
118         const typelib_MethodParameter & rParam = pParams[nPos];
119         typelib_TypeDescription * pParamTypeDescr = 0;
120         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
121 
122         if (!rParam.bOut
123             && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
124         {
125             pCppArgs[ nPos ] = pCppStack;
126             uno_copyAndConvertData( pCppArgs[nPos], pUnoArgs[nPos], pParamTypeDescr,
127                                     pThis->getBridge()->getUno2Cpp() );
128 
129             switch (pParamTypeDescr->eTypeClass)
130             {
131             case typelib_TypeClass_HYPER:
132             case typelib_TypeClass_UNSIGNED_HYPER:
133             case typelib_TypeClass_DOUBLE:
134                 pCppStack += sizeof(sal_Int32); // extra long
135             }
136             // no longer needed
137             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
138         }
139         else // ptr to complex value | ref
140         {
141             if (! rParam.bIn) // is pure out
142             {
143                 // cpp out is constructed mem, uno out is not!
144                 if (pParamTypeDescr->nSize > (sizeof(long) * (nTempBufferSize - nTempBufferPos)))
145                 {
146                     uno_constructData(
147                         *(void **)pCppStack = pCppArgs[nPos] = rtl_allocateMemory( pParamTypeDescr->nSize ),
148                         pParamTypeDescr );
149                     pTempIndizes[nTempIndizes] = nPos | 0x80000000; // default constructed for cpp call
150                 }
151                 else
152                 {
153                     uno_constructData(
154                         *(void **)pCppStack = pCppArgs[nPos] = (params_buffer + nTempBufferPos),
155                         pParamTypeDescr );
156                     pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
157                     nTempBufferPos += (pParamTypeDescr->nSize / sizeof(long)) +1;
158                 }
159                 // will be released at reconversion
160                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
161             }
162             // is in/inout
163             else if (bridges::cpp_uno::shared::relatesToInterfaceType(
164                          pParamTypeDescr ))
165             {
166                 if (pParamTypeDescr->nSize > (sizeof(long)*(nTempBufferSize - nTempBufferPos)))
167                 {
168                     uno_copyAndConvertData(
169                         *(void **)pCppStack = pCppArgs[nPos] = rtl_allocateMemory( pParamTypeDescr->nSize ),
170                         pUnoArgs[nPos], pParamTypeDescr,
171                         pThis->getBridge()->getUno2Cpp() );
172                     pTempIndizes[nTempIndizes] = nPos | 0x80000000; // has to be reconverted
173                 }
174                 else
175                 {
176                     uno_copyAndConvertData(
177                         *(void **)pCppStack = pCppArgs[nPos] = (params_buffer + nTempBufferPos),
178                         pUnoArgs[nPos], pParamTypeDescr,
179                         pThis->getBridge()->getUno2Cpp() );
180                     pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
181                     nTempBufferPos += (pParamTypeDescr->nSize / sizeof(long)) +1;
182                 }
183                 // will be released at reconversion
184                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
185             }
186             else // direct way
187             {
188                 *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos];
189                 // no longer needed
190                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
191             }
192         }
193         pCppStack += sizeof(sal_Int32); // standard parameter length
194     }
195 
196     try
197     {
198         int nStackLongs = (pCppStack - pCppStackStart)/sizeof(sal_Int32);
199         if( nStackLongs & 1 )
200             // stack has to be 8 byte aligned
201             nStackLongs++;
202 
203         callVirtualMethod(
204             pAdjustedThisPtr, aVtableSlot.index,
205             pCppReturn,
206             pReturnTypeDescr->eTypeClass,
207             (sal_Int32 *)pCppStackStart,
208             nStackLongs
209             );
210 
211         // NO exception occured...
212         *ppUnoExc = 0;
213 
214         // reconvert temporary params
215         for ( ; nTempIndizes--; )
216         {
217             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
218             sal_Bool bAllocated = (nIndex & 0x80000000) != 0;
219             nIndex &= 0x7fffffff;
220             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
221 
222             if (pParams[nIndex].bIn)
223             {
224                 if (pParams[nIndex].bOut) // inout
225                 {
226                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
227                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
228                                             pThis->getBridge()->getCpp2Uno() );
229                 }
230             }
231             else // pure out
232             {
233                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
234                                         pThis->getBridge()->getCpp2Uno() );
235             }
236             // destroy temp cpp param => cpp: every param was constructed
237             uno_destructData(
238                 pCppArgs[nIndex], pParamTypeDescr,
239                 reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
240 
241             if (bAllocated)
242                 rtl_freeMemory( pCppArgs[nIndex] );
243             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
244         }
245         // return value
246         if (pCppReturn && pUnoReturn != pCppReturn)
247         {
248             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
249                                     pThis->getBridge()->getCpp2Uno() );
250             uno_destructData(
251                 pCppReturn, pReturnTypeDescr,
252                 reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
253         }
254     }
255     catch( ... )
256     {
257         void* pExc = __Crun::ex_get();
258         const char* pName = __Cimpl::ex_name();
259 
260         // get exception
261         CPPU_CURRENT_NAMESPACE::cc50_solaris_intel_fillUnoException(
262             pExc, pName, *ppUnoExc,
263             pThis->getBridge()->getCpp2Uno());
264 
265         // temporary params
266         for ( ; nTempIndizes--; )
267         {
268             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
269             sal_Bool bAllocated = (nIndex & 0x80000000) != 0;
270             nIndex &= 0x7fffffff;
271             // destroy temp cpp param => cpp: every param was constructed
272             uno_destructData(
273                 pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes],
274                 reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
275             if (bAllocated)
276                 rtl_freeMemory( pCppArgs[nIndex] );
277             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
278         }
279         // return type
280         if (pReturnTypeDescr)
281             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
282     }
283 
284     if (pCppArgs != (void **)args_buffer)
285         rtl_freeMemory( pCppArgs );
286     if (pReturnSpace)
287         rtl_freeMemory( pReturnSpace );
288 }
289 
290 }
291 
292 namespace bridges { namespace cpp_uno { namespace shared {
293 
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)294 void unoInterfaceProxyDispatch(
295     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
296     void * pReturn, void * pArgs[], uno_Any ** ppException )
297 {
298     // is my surrogate
299     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
300         = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
301     typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
302 
303     switch (pMemberDescr->eTypeClass)
304     {
305     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
306     {
307         VtableSlot aVtableSlot(
308             getVtableSlot(
309                 reinterpret_cast<
310                     typelib_InterfaceAttributeTypeDescription const * >(
311                         pMemberDescr)));
312         if (pReturn)
313         {
314             // dependent dispatch
315             cpp_call(
316                 pThis, aVtableSlot,
317                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
318                 0, 0, // no params
319                 pReturn, pArgs, ppException );
320         }
321         else
322         {
323             // is SET
324             typelib_MethodParameter aParam;
325             aParam.pTypeRef =
326                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
327             aParam.bIn      = sal_True;
328             aParam.bOut     = sal_False;
329 
330             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
331             OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
332             typelib_typedescriptionreference_new(
333                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
334 
335             // dependent dispatch
336             aVtableSlot.index += 1; // get, then set method
337             cpp_call(
338                 pThis, aVtableSlot,
339                 pReturnTypeRef,
340                 1, &aParam,
341                 pReturn, pArgs, ppException );
342 
343             typelib_typedescriptionreference_release( pReturnTypeRef );
344         }
345 
346         break;
347     }
348     case typelib_TypeClass_INTERFACE_METHOD:
349     {
350         VtableSlot aVtableSlot(
351             getVtableSlot(
352                 reinterpret_cast<
353                     typelib_InterfaceMethodTypeDescription const * >(
354                         pMemberDescr)));
355         switch (aVtableSlot.index)
356         {
357             // standard calls
358         case 1: // acquire uno interface
359             (*pUnoI->acquire)( pUnoI );
360             *ppException = 0;
361             break;
362         case 2: // release uno interface
363             (*pUnoI->release)( pUnoI );
364             *ppException = 0;
365             break;
366         case 0: // queryInterface() opt
367         {
368             typelib_TypeDescription * pTD = 0;
369             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
370             if (pTD)
371             {
372                 uno_Interface * pInterface = 0;
373                 (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
374                     pThis->pBridge->getUnoEnv(),
375                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
376 
377                 if (pInterface)
378                 {
379                     ::uno_any_construct(
380                         reinterpret_cast< uno_Any * >( pReturn ),
381                         &pInterface, pTD, 0 );
382                     (*pInterface->release)( pInterface );
383                     TYPELIB_DANGER_RELEASE( pTD );
384                     *ppException = 0;
385                     break;
386                 }
387                 TYPELIB_DANGER_RELEASE( pTD );
388             }
389         } // else perform queryInterface()
390         default:
391             // dependent dispatch
392             cpp_call(
393                 pThis, aVtableSlot,
394                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
395                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
396                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
397                 pReturn, pArgs, ppException );
398         }
399         break;
400     }
401     default:
402     {
403         ::com::sun::star::uno::RuntimeException aExc(
404             OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
405             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
406 
407         Type const & rExcType = ::getCppuType( &aExc );
408         // binary identical null reference
409         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
410     }
411     }
412 }
413 
414 } } }
415