1 /**************************************************************
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
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_bridges.hxx"
26
27 #include <malloc.h>
28
29 #include <com/sun/star/uno/genfunc.hxx>
30 #include <uno/data.h>
31
32 #include "bridges/cpp_uno/shared/bridge.hxx"
33 #include "bridges/cpp_uno/shared/types.hxx"
34 #include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
35 #include "bridges/cpp_uno/shared/vtables.hxx"
36
37 #include "msci.hxx"
38
39 using namespace ::rtl;
40 using namespace ::com::sun::star::uno;
41
42 namespace
43 {
44
45 //==================================================================================================
callVirtualMethod(void * pAdjustedThisPtr,sal_Int32 nVtableIndex,void * pRegisterReturn,typelib_TypeClass eReturnTypeClass,sal_Int32 * pStackLongs,sal_Int32 nStackLongs)46 inline static void callVirtualMethod(
47 void * pAdjustedThisPtr, sal_Int32 nVtableIndex,
48 void * pRegisterReturn, typelib_TypeClass eReturnTypeClass,
49 sal_Int32 * pStackLongs, sal_Int32 nStackLongs )
50 {
51 // parameter list is mixed list of * and values
52 // reference parameters are pointers
53
54 OSL_ENSURE( pStackLongs && pAdjustedThisPtr, "### null ptr!" );
55 OSL_ENSURE( (sizeof(void *) == 4) &&
56 (sizeof(sal_Int32) == 4), "### unexpected size of int!" );
57
58 __asm
59 {
60 mov eax, nStackLongs
61 test eax, eax
62 je Lcall
63 // copy values
64 mov ecx, eax
65 shl eax, 2 // sizeof(sal_Int32) == 4
66 add eax, pStackLongs // params stack space
67 Lcopy: sub eax, 4
68 push dword ptr [eax]
69 dec ecx
70 jne Lcopy
71 Lcall:
72 // call
73 mov ecx, pAdjustedThisPtr
74 push ecx // this ptr
75 mov edx, [ecx] // pvft
76 mov eax, nVtableIndex
77 shl eax, 2 // sizeof(void *) == 4
78 add edx, eax
79 call [edx] // interface method call must be __cdecl!!!
80
81 // register return
82 mov ecx, eReturnTypeClass
83 cmp ecx, typelib_TypeClass_VOID
84 je Lcleanup
85 mov ebx, pRegisterReturn
86 // int32
87 cmp ecx, typelib_TypeClass_LONG
88 je Lint32
89 cmp ecx, typelib_TypeClass_UNSIGNED_LONG
90 je Lint32
91 cmp ecx, typelib_TypeClass_ENUM
92 je Lint32
93 // int8
94 cmp ecx, typelib_TypeClass_BOOLEAN
95 je Lint8
96 cmp ecx, typelib_TypeClass_BYTE
97 je Lint8
98 // int16
99 cmp ecx, typelib_TypeClass_CHAR
100 je Lint16
101 cmp ecx, typelib_TypeClass_SHORT
102 je Lint16
103 cmp ecx, typelib_TypeClass_UNSIGNED_SHORT
104 je Lint16
105 // float
106 cmp ecx, typelib_TypeClass_FLOAT
107 je Lfloat
108 // double
109 cmp ecx, typelib_TypeClass_DOUBLE
110 je Ldouble
111 // int64
112 cmp ecx, typelib_TypeClass_HYPER
113 je Lint64
114 cmp ecx, typelib_TypeClass_UNSIGNED_HYPER
115 je Lint64
116 jmp Lcleanup // no simple type
117 Lint8:
118 mov byte ptr [ebx], al
119 jmp Lcleanup
120 Lint16:
121 mov word ptr [ebx], ax
122 jmp Lcleanup
123 Lfloat:
124 fstp dword ptr [ebx]
125 jmp Lcleanup
126 Ldouble:
127 fstp qword ptr [ebx]
128 jmp Lcleanup
129 Lint64:
130 mov dword ptr [ebx], eax
131 mov dword ptr [ebx+4], edx
132 jmp Lcleanup
133 Lint32:
134 mov dword ptr [ebx], eax
135 jmp Lcleanup
136 Lcleanup:
137 // cleanup stack (obsolete though because of function)
138 mov eax, nStackLongs
139 shl eax, 2 // sizeof(sal_Int32) == 4
140 add eax, 4 // this ptr
141 add esp, eax
142 }
143 }
144
145 //==================================================================================================
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)146 static void cpp_call(
147 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
148 bridges::cpp_uno::shared::VtableSlot aVtableSlot,
149 typelib_TypeDescriptionReference * pReturnTypeRef,
150 sal_Int32 nParams, typelib_MethodParameter * pParams,
151 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) throw ()
152 {
153 // max space for: [complex ret ptr], values|ptr ...
154 char * pCppStack = (char *)alloca( sizeof(sal_Int32) + (nParams * sizeof(sal_Int64)) );
155 char * pCppStackStart = pCppStack;
156
157 // return
158 typelib_TypeDescription * pReturnTypeDescr = 0;
159 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
160 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
161
162 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
163
164 if (pReturnTypeDescr)
165 {
166 if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
167 {
168 pCppReturn = pUnoReturn; // direct way for simple types
169 }
170 else
171 {
172 // complex return via ptr
173 pCppReturn = *(void **)pCppStack
174 = (bridges::cpp_uno::shared::relatesToInterfaceType(
175 pReturnTypeDescr )
176 ? alloca( pReturnTypeDescr->nSize )
177 : pUnoReturn); // direct way
178 pCppStack += sizeof(void *);
179 }
180 }
181
182 // stack space
183
184 OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
185 // args
186 void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
187 // indizes of values this have to be converted (interface conversion cpp<=>uno)
188 sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
189 // type descriptions for reconversions
190 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
191
192 sal_Int32 nTempIndizes = 0;
193
194 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
195 {
196 const typelib_MethodParameter & rParam = pParams[nPos];
197 typelib_TypeDescription * pParamTypeDescr = 0;
198 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
199
200 if (!rParam.bOut
201 && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
202 {
203 ::uno_copyAndConvertData(
204 pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr,
205 pThis->getBridge()->getUno2Cpp() );
206
207 switch (pParamTypeDescr->eTypeClass)
208 {
209 case typelib_TypeClass_HYPER:
210 case typelib_TypeClass_UNSIGNED_HYPER:
211 case typelib_TypeClass_DOUBLE:
212 pCppStack += sizeof(sal_Int32); // extra long
213 break;
214 default:
215 break;
216 }
217 // no longer needed
218 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
219 }
220 else // ptr to complex value | ref
221 {
222 if (! rParam.bIn) // is pure out
223 {
224 // cpp out is constructed mem, uno out is not!
225 ::uno_constructData(
226 *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
227 pParamTypeDescr );
228 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
229 // will be released at reconversion
230 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
231 }
232 // is in/inout
233 else if (bridges::cpp_uno::shared::relatesToInterfaceType(
234 pParamTypeDescr ))
235 {
236 ::uno_copyAndConvertData(
237 *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
238 pUnoArgs[nPos], pParamTypeDescr,
239 pThis->getBridge()->getUno2Cpp() );
240
241 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
242 // will be released at reconversion
243 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
244 }
245 else // direct way
246 {
247 *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos];
248 // no longer needed
249 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
250 }
251 }
252 pCppStack += sizeof(sal_Int32); // standard parameter length
253 }
254
255 __try
256 {
257 // pCppI is msci this pointer
258 callVirtualMethod(
259 reinterpret_cast< void ** >(pThis->getCppI()) + aVtableSlot.offset,
260 aVtableSlot.index,
261 pCppReturn, pReturnTypeDescr->eTypeClass,
262 (sal_Int32 *)pCppStackStart,
263 (pCppStack - pCppStackStart) / sizeof(sal_Int32) );
264 }
265 __except (CPPU_CURRENT_NAMESPACE::msci_filterCppException(
266 GetExceptionInformation(),
267 *ppUnoExc, pThis->getBridge()->getCpp2Uno() ))
268 {
269 // *ppUnoExc was constructed by filter function
270 // temporary params
271 while (nTempIndizes--)
272 {
273 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
274 // destroy temp cpp param => cpp: every param was constructed
275 ::uno_destructData(
276 pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes],
277 cpp_release );
278 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
279 }
280 // return type
281 if (pReturnTypeDescr)
282 {
283 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
284 }
285 // end here
286 return;
287 }
288
289 // NO exception occured
290 *ppUnoExc = 0;
291
292 // reconvert temporary params
293 while (nTempIndizes--)
294 {
295 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
296 typelib_TypeDescription * pParamTypeDescr =
297 ppTempParamTypeDescr[nTempIndizes];
298
299 if (pParams[nIndex].bIn)
300 {
301 if (pParams[nIndex].bOut) // inout
302 {
303 ::uno_destructData(
304 pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
305 ::uno_copyAndConvertData(
306 pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
307 pThis->getBridge()->getCpp2Uno() );
308 }
309 }
310 else // pure out
311 {
312 ::uno_copyAndConvertData(
313 pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
314 pThis->getBridge()->getCpp2Uno() );
315 }
316 // destroy temp cpp param => cpp: every param was constructed
317 ::uno_destructData(
318 pCppArgs[nIndex], pParamTypeDescr, cpp_release );
319
320 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
321 }
322 // return value
323 if (pCppReturn && pUnoReturn != pCppReturn)
324 {
325 ::uno_copyAndConvertData(
326 pUnoReturn, pCppReturn, pReturnTypeDescr,
327 pThis->getBridge()->getCpp2Uno() );
328 ::uno_destructData(
329 pCppReturn, pReturnTypeDescr, cpp_release );
330 }
331 // return type
332 if (pReturnTypeDescr)
333 {
334 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
335 }
336 }
337
338 }
339
340 namespace bridges { namespace cpp_uno { namespace shared {
341
unoInterfaceProxyDispatch(uno_Interface * pUnoI,const typelib_TypeDescription * pMemberDescr,void * pReturn,void * pArgs[],uno_Any ** ppException)342 void unoInterfaceProxyDispatch(
343 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
344 void * pReturn, void * pArgs[], uno_Any ** ppException )
345 {
346 // is my surrogate
347 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
348 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
349
350 switch (pMemberDescr->eTypeClass)
351 {
352 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
353 {
354 VtableSlot aVtableSlot(
355 getVtableSlot(
356 reinterpret_cast<
357 typelib_InterfaceAttributeTypeDescription const * >(
358 pMemberDescr)));
359 if (pReturn)
360 {
361 // dependent dispatch
362 cpp_call(
363 pThis, aVtableSlot,
364 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
365 0, 0, // no params
366 pReturn, pArgs, ppException );
367 }
368 else
369 {
370 // is SET
371 typelib_MethodParameter aParam;
372 aParam.pTypeRef =
373 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
374 aParam.bIn = sal_True;
375 aParam.bOut = sal_False;
376
377 typelib_TypeDescriptionReference * pReturnTypeRef = 0;
378 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
379 typelib_typedescriptionreference_new(
380 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
381
382 // dependent dispatch
383 aVtableSlot.index += 1; // get, then set method
384 cpp_call(
385 pThis, aVtableSlot,
386 pReturnTypeRef,
387 1, &aParam,
388 pReturn, pArgs, ppException );
389
390 typelib_typedescriptionreference_release( pReturnTypeRef );
391 }
392
393 break;
394 }
395 case typelib_TypeClass_INTERFACE_METHOD:
396 {
397 VtableSlot aVtableSlot(
398 getVtableSlot(
399 reinterpret_cast<
400 typelib_InterfaceMethodTypeDescription const * >(
401 pMemberDescr)));
402 switch (aVtableSlot.index)
403 {
404 // standard calls
405 case 1: // acquire uno interface
406 (*pUnoI->acquire)( pUnoI );
407 *ppException = 0;
408 break;
409 case 2: // release uno interface
410 (*pUnoI->release)( pUnoI );
411 *ppException = 0;
412 break;
413 case 0: // queryInterface() opt
414 {
415 typelib_TypeDescription * pTD = 0;
416 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
417 if (pTD)
418 {
419 uno_Interface * pInterface = 0;
420 (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
421 pThis->pBridge->getUnoEnv(),
422 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
423
424 if (pInterface)
425 {
426 ::uno_any_construct(
427 reinterpret_cast< uno_Any * >( pReturn ),
428 &pInterface, pTD, 0 );
429 (*pInterface->release)( pInterface );
430 TYPELIB_DANGER_RELEASE( pTD );
431 *ppException = 0;
432 break;
433 }
434 TYPELIB_DANGER_RELEASE( pTD );
435 }
436 } // else perform queryInterface()
437 default:
438 // dependent dispatch
439 cpp_call(
440 pThis, aVtableSlot,
441 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
442 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
443 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
444 pReturn, pArgs, ppException );
445 }
446 break;
447 }
448 default:
449 {
450 ::com::sun::star::uno::RuntimeException aExc(
451 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
452 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
453
454 Type const & rExcType = ::getCppuType( &aExc );
455 // binary identical null reference
456 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
457 }
458 }
459 }
460
461 } } }
462