xref: /trunk/main/bridges/source/cpp_uno/cc50_solaris_intel/uno2cpp.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_bridges.hxx"
30 
31 #include <sal/alloca.h>
32 
33 #include <com/sun/star/uno/genfunc.hxx>
34 #include "com/sun/star/uno/RuntimeException.hpp"
35 #include <uno/data.h>
36 
37 #include "bridges/cpp_uno/shared/bridge.hxx"
38 #include "bridges/cpp_uno/shared/types.hxx"
39 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
40 #include "bridges/cpp_uno/shared/vtables.hxx"
41 
42 #include "cc50_solaris_intel.hxx"
43 
44 using namespace rtl;
45 using namespace com::sun::star::uno;
46 
47 namespace
48 {
49 
50 extern "C" {
51     void callVirtualMethod(
52         void * pAdjustedThisPtr,
53         sal_Int32 nVtableIndex,
54         void * pRegisterReturn,
55         typelib_TypeClass eReturnType,
56         sal_Int32 * pStackLongs,
57         sal_Int32 nStackLongs
58         );
59 }
60 
61 //==================================================================================================
62 static inline void cpp_call(
63     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
64     bridges::cpp_uno::shared::VtableSlot aVtableSlot,
65     typelib_TypeDescriptionReference * pReturnTypeRef,
66     sal_Int32 nParams, typelib_MethodParameter * pParams,
67     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
68 {
69     // max space for: [complex ret ptr], values|ptr ...
70     char * pCppStack = (char *)alloca( ((nParams+3) * sizeof(sal_Int64)) );
71     char * pCppStackStart = pCppStack;
72 
73     // return
74     typelib_TypeDescription * pReturnTypeDescr = 0;
75     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
76     OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
77 
78     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
79 
80     void * pReturnSpace = 0;
81 
82     if (pReturnTypeDescr)
83     {
84         if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
85         {
86             pCppReturn = pUnoReturn; // direct way for simple types
87         }
88         else
89         {
90             // complex return via ptr
91             pCppReturn = *(void **)pCppStack
92                 = (bridges::cpp_uno::shared::relatesToInterfaceType(
93                        pReturnTypeDescr )
94                    ? alloca( pReturnTypeDescr->nSize )
95                    : pUnoReturn); // direct way
96             pCppStack += sizeof(void *);
97         }
98     }
99     // push this
100     void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
101         + aVtableSlot.offset;
102     *(void**)pCppStack = pAdjustedThisPtr;
103     pCppStack += sizeof( void* );
104 
105     const int nMaxParams = 32;
106     // args
107     void * args_buffer[3 * nMaxParams];
108     void ** pCppArgs  = (void **)(nParams > nMaxParams ? rtl_allocateMemory( 3 * sizeof(void *) * nParams ) : args_buffer);
109     // indizes of values this have to be converted (interface conversion cpp<=>uno)
110     sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
111     // type descriptions for reconversions
112     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
113 
114     sal_Int32 nTempIndizes   = 0;
115 
116     const int nTempBufferSize = 256;
117     sal_Int32 nTempBufferPos = 0;
118     long params_buffer[nTempBufferSize];
119 
120     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
121     {
122         const typelib_MethodParameter & rParam = pParams[nPos];
123         typelib_TypeDescription * pParamTypeDescr = 0;
124         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
125 
126         if (!rParam.bOut
127             && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
128         {
129             pCppArgs[ nPos ] = pCppStack;
130             uno_copyAndConvertData( pCppArgs[nPos], pUnoArgs[nPos], pParamTypeDescr,
131                                     pThis->getBridge()->getUno2Cpp() );
132 
133             switch (pParamTypeDescr->eTypeClass)
134             {
135             case typelib_TypeClass_HYPER:
136             case typelib_TypeClass_UNSIGNED_HYPER:
137             case typelib_TypeClass_DOUBLE:
138                 pCppStack += sizeof(sal_Int32); // extra long
139             }
140             // no longer needed
141             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
142         }
143         else // ptr to complex value | ref
144         {
145             if (! rParam.bIn) // is pure out
146             {
147                 // cpp out is constructed mem, uno out is not!
148                 if (pParamTypeDescr->nSize > (sizeof(long) * (nTempBufferSize - nTempBufferPos)))
149                 {
150                     uno_constructData(
151                         *(void **)pCppStack = pCppArgs[nPos] = rtl_allocateMemory( pParamTypeDescr->nSize ),
152                         pParamTypeDescr );
153                     pTempIndizes[nTempIndizes] = nPos | 0x80000000; // default constructed for cpp call
154                 }
155                 else
156                 {
157                     uno_constructData(
158                         *(void **)pCppStack = pCppArgs[nPos] = (params_buffer + nTempBufferPos),
159                         pParamTypeDescr );
160                     pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
161                     nTempBufferPos += (pParamTypeDescr->nSize / sizeof(long)) +1;
162                 }
163                 // will be released at reconversion
164                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
165             }
166             // is in/inout
167             else if (bridges::cpp_uno::shared::relatesToInterfaceType(
168                          pParamTypeDescr ))
169             {
170                 if (pParamTypeDescr->nSize > (sizeof(long)*(nTempBufferSize - nTempBufferPos)))
171                 {
172                     uno_copyAndConvertData(
173                         *(void **)pCppStack = pCppArgs[nPos] = rtl_allocateMemory( pParamTypeDescr->nSize ),
174                         pUnoArgs[nPos], pParamTypeDescr,
175                         pThis->getBridge()->getUno2Cpp() );
176                     pTempIndizes[nTempIndizes] = nPos | 0x80000000; // has to be reconverted
177                 }
178                 else
179                 {
180                     uno_copyAndConvertData(
181                         *(void **)pCppStack = pCppArgs[nPos] = (params_buffer + nTempBufferPos),
182                         pUnoArgs[nPos], pParamTypeDescr,
183                         pThis->getBridge()->getUno2Cpp() );
184                     pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
185                     nTempBufferPos += (pParamTypeDescr->nSize / sizeof(long)) +1;
186                 }
187                 // will be released at reconversion
188                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
189             }
190             else // direct way
191             {
192                 *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos];
193                 // no longer needed
194                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
195             }
196         }
197         pCppStack += sizeof(sal_Int32); // standard parameter length
198     }
199 
200     try
201     {
202         int nStackLongs = (pCppStack - pCppStackStart)/sizeof(sal_Int32);
203         if( nStackLongs & 1 )
204             // stack has to be 8 byte aligned
205             nStackLongs++;
206 
207         callVirtualMethod(
208             pAdjustedThisPtr, aVtableSlot.index,
209             pCppReturn,
210             pReturnTypeDescr->eTypeClass,
211             (sal_Int32 *)pCppStackStart,
212             nStackLongs
213             );
214 
215         // NO exception occured...
216         *ppUnoExc = 0;
217 
218         // reconvert temporary params
219         for ( ; nTempIndizes--; )
220         {
221             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
222             sal_Bool bAllocated = (nIndex & 0x80000000) != 0;
223             nIndex &= 0x7fffffff;
224             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
225 
226             if (pParams[nIndex].bIn)
227             {
228                 if (pParams[nIndex].bOut) // inout
229                 {
230                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
231                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
232                                             pThis->getBridge()->getCpp2Uno() );
233                 }
234             }
235             else // pure out
236             {
237                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
238                                         pThis->getBridge()->getCpp2Uno() );
239             }
240             // destroy temp cpp param => cpp: every param was constructed
241             uno_destructData(
242                 pCppArgs[nIndex], pParamTypeDescr,
243                 reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
244 
245             if (bAllocated)
246                 rtl_freeMemory( pCppArgs[nIndex] );
247             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
248         }
249         // return value
250         if (pCppReturn && pUnoReturn != pCppReturn)
251         {
252             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
253                                     pThis->getBridge()->getCpp2Uno() );
254             uno_destructData(
255                 pCppReturn, pReturnTypeDescr,
256                 reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
257         }
258     }
259     catch( ... )
260     {
261         void* pExc = __Crun::ex_get();
262         const char* pName = __Cimpl::ex_name();
263 
264         // get exception
265         CPPU_CURRENT_NAMESPACE::cc50_solaris_intel_fillUnoException(
266             pExc, pName, *ppUnoExc,
267             pThis->getBridge()->getCpp2Uno());
268 
269         // temporary params
270         for ( ; nTempIndizes--; )
271         {
272             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
273             sal_Bool bAllocated = (nIndex & 0x80000000) != 0;
274             nIndex &= 0x7fffffff;
275             // destroy temp cpp param => cpp: every param was constructed
276             uno_destructData(
277                 pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes],
278                 reinterpret_cast< uno_ReleaseFunc >(cpp_release) );
279             if (bAllocated)
280                 rtl_freeMemory( pCppArgs[nIndex] );
281             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
282         }
283         // return type
284         if (pReturnTypeDescr)
285             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
286     }
287 
288     if (pCppArgs != (void **)args_buffer)
289         rtl_freeMemory( pCppArgs );
290     if (pReturnSpace)
291         rtl_freeMemory( pReturnSpace );
292 }
293 
294 }
295 
296 namespace bridges { namespace cpp_uno { namespace shared {
297 
298 void unoInterfaceProxyDispatch(
299     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
300     void * pReturn, void * pArgs[], uno_Any ** ppException )
301 {
302     // is my surrogate
303     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
304         = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
305     typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
306 
307     switch (pMemberDescr->eTypeClass)
308     {
309     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
310     {
311         VtableSlot aVtableSlot(
312             getVtableSlot(
313                 reinterpret_cast<
314                     typelib_InterfaceAttributeTypeDescription const * >(
315                         pMemberDescr)));
316         if (pReturn)
317         {
318             // dependent dispatch
319             cpp_call(
320                 pThis, aVtableSlot,
321                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
322                 0, 0, // no params
323                 pReturn, pArgs, ppException );
324         }
325         else
326         {
327             // is SET
328             typelib_MethodParameter aParam;
329             aParam.pTypeRef =
330                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
331             aParam.bIn      = sal_True;
332             aParam.bOut     = sal_False;
333 
334             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
335             OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
336             typelib_typedescriptionreference_new(
337                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
338 
339             // dependent dispatch
340             aVtableSlot.index += 1; // get, then set method
341             cpp_call(
342                 pThis, aVtableSlot,
343                 pReturnTypeRef,
344                 1, &aParam,
345                 pReturn, pArgs, ppException );
346 
347             typelib_typedescriptionreference_release( pReturnTypeRef );
348         }
349 
350         break;
351     }
352     case typelib_TypeClass_INTERFACE_METHOD:
353     {
354         VtableSlot aVtableSlot(
355             getVtableSlot(
356                 reinterpret_cast<
357                     typelib_InterfaceMethodTypeDescription const * >(
358                         pMemberDescr)));
359         switch (aVtableSlot.index)
360         {
361             // standard calls
362         case 1: // acquire uno interface
363             (*pUnoI->acquire)( pUnoI );
364             *ppException = 0;
365             break;
366         case 2: // release uno interface
367             (*pUnoI->release)( pUnoI );
368             *ppException = 0;
369             break;
370         case 0: // queryInterface() opt
371         {
372             typelib_TypeDescription * pTD = 0;
373             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
374             if (pTD)
375             {
376                 uno_Interface * pInterface = 0;
377                 (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
378                     pThis->pBridge->getUnoEnv(),
379                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
380 
381                 if (pInterface)
382                 {
383                     ::uno_any_construct(
384                         reinterpret_cast< uno_Any * >( pReturn ),
385                         &pInterface, pTD, 0 );
386                     (*pInterface->release)( pInterface );
387                     TYPELIB_DANGER_RELEASE( pTD );
388                     *ppException = 0;
389                     break;
390                 }
391                 TYPELIB_DANGER_RELEASE( pTD );
392             }
393         } // else perform queryInterface()
394         default:
395             // dependent dispatch
396             cpp_call(
397                 pThis, aVtableSlot,
398                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
399                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
400                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
401                 pReturn, pArgs, ppException );
402         }
403         break;
404     }
405     default:
406     {
407         ::com::sun::star::uno::RuntimeException aExc(
408             OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
409             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
410 
411         Type const & rExcType = ::getCppuType( &aExc );
412         // binary identical null reference
413         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
414     }
415     }
416 }
417 
418 } } }
419