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 "abi.hxx" 38 #include "mscx.hxx" 39 40 using namespace ::rtl; 41 using namespace ::com::sun::star::uno; 42 43 namespace 44 { 45 46 //================================================================================================== 47 extern "C" void callVirtualMethod( 48 void * pAdjustedThisPtr, sal_Int32 nVtableIndex, 49 void * pRegisterReturn, typelib_TypeClass eReturnTypeClass, 50 sal_uInt64 * pStackLongs, sal_uInt32 nStackLongs ); 51 52 //================================================================================================== 53 static void cpp_call( 54 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis, 55 bridges::cpp_uno::shared::VtableSlot aVtableSlot, 56 typelib_TypeDescriptionReference * pReturnTypeRef, 57 sal_Int32 nParams, typelib_MethodParameter * pParams, 58 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc ) throw () 59 { 60 // max space for: [complex ret ptr], values|ptr ... 61 sal_uInt64 *pStack = (sal_uInt64 *)alloca( (nParams + 3) * sizeof(sal_uInt64) ); 62 sal_uInt64 *pStackStart = pStack; 63 64 // Push "this" pointer 65 void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset; 66 *pStack++ = *(sal_uInt64*)&pAdjustedThisPtr; 67 68 // return 69 typelib_TypeDescription * pReturnTypeDescr = 0; 70 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); 71 OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" ); 72 73 void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion 74 75 if ( pReturnTypeDescr ) 76 { 77 if ( x86_64::return_in_hidden_param( pReturnTypeRef ) ) 78 { 79 // complex return via ptr 80 pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )? 81 alloca( pReturnTypeDescr->nSize ) : pUnoReturn; // direct way 82 *pStack++ = *(sal_uInt64*)&pCppReturn; 83 } 84 else 85 pCppReturn = pUnoReturn; // direct way for simple types 86 } 87 88 // Args 89 void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); 90 // Indices of values this have to be converted (interface conversion cpp<=>uno) 91 sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams); 92 // Type descriptions for reconversions 93 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); 94 95 sal_Int32 nTempIndizes = 0; 96 97 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) 98 { 99 const typelib_MethodParameter & rParam = pParams[nPos]; 100 typelib_TypeDescription * pParamTypeDescr = 0; 101 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); 102 103 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) 104 { 105 uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr, 106 pThis->getBridge()->getUno2Cpp() ); 107 108 // pCppArgs[nPos] is the alloca(8) temp above, i.e. a POINTER to the 109 // converted value -- the value is *pCppArgs[nPos]. Using 110 // &pCppArgs[nPos] would read the array slot instead, passing the 111 // temp's address as the argument. (That form is correct only in the 112 // complex/ref branch below, where the pointer IS the argument.) 113 switch (pParamTypeDescr->eTypeClass) 114 { 115 case typelib_TypeClass_HYPER: 116 case typelib_TypeClass_UNSIGNED_HYPER: 117 *pStack++ = *(sal_uInt64*)pCppArgs[nPos]; 118 break; 119 case typelib_TypeClass_LONG: 120 case typelib_TypeClass_UNSIGNED_LONG: 121 case typelib_TypeClass_ENUM: 122 *pStack++ = *(sal_uInt32*)pCppArgs[nPos]; 123 break; 124 case typelib_TypeClass_SHORT: 125 case typelib_TypeClass_UNSIGNED_SHORT: 126 case typelib_TypeClass_CHAR: 127 *pStack++ = *(sal_uInt16*)pCppArgs[nPos]; 128 break; 129 case typelib_TypeClass_BOOLEAN: 130 case typelib_TypeClass_BYTE: 131 *pStack++ = *(sal_uInt8*)pCppArgs[nPos]; 132 break; 133 case typelib_TypeClass_FLOAT: 134 case typelib_TypeClass_DOUBLE: 135 *pStack++ = *(sal_uInt64*)pCppArgs[nPos]; // verbatim! 136 break; 137 default: 138 break; 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 uno_constructData( 149 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), 150 pParamTypeDescr ); 151 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call 152 // will be released at reconversion 153 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; 154 } 155 // is in/inout 156 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) 157 { 158 uno_copyAndConvertData( 159 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), 160 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); 161 162 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted 163 // will be released at reconversion 164 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; 165 } 166 else // direct way 167 { 168 pCppArgs[nPos] = pUnoArgs[nPos]; 169 // no longer needed 170 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 171 } 172 // here the POINTER is the argument (complex value passed by ref) 173 *pStack++ = (sal_uInt64)pCppArgs[nPos]; 174 } 175 } 176 177 __try 178 { 179 // pCppI is mscx this pointer 180 callVirtualMethod( 181 pAdjustedThisPtr, 182 aVtableSlot.index, 183 pCppReturn, pReturnTypeDescr->eTypeClass, 184 pStackStart, (pStack - pStackStart) ); 185 } 186 __except (CPPU_CURRENT_NAMESPACE::mscx_filterCppException( 187 GetExceptionInformation(), 188 *ppUnoExc, pThis->getBridge()->getCpp2Uno() )) 189 { 190 // *ppUnoExc was constructed by filter function 191 // temporary params 192 for ( ; nTempIndizes--; ) 193 { 194 sal_Int32 nIndex = pTempIndizes[nTempIndizes]; 195 // destroy temp cpp param => cpp: every param was constructed 196 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release ); 197 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); 198 } 199 // return type 200 if (pReturnTypeDescr) 201 TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); 202 // end here 203 return; 204 } 205 206 // NO exception occurred 207 *ppUnoExc = 0; 208 209 // reconvert temporary params 210 for ( ; nTempIndizes--; ) 211 { 212 sal_Int32 nIndex = pTempIndizes[nTempIndizes]; 213 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; 214 215 if (pParams[nIndex].bIn) 216 { 217 if (pParams[nIndex].bOut) // inout 218 { 219 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value 220 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, 221 pThis->getBridge()->getCpp2Uno() ); 222 } 223 } 224 else // pure out 225 { 226 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, 227 pThis->getBridge()->getCpp2Uno() ); 228 } 229 // destroy temp cpp param => cpp: every param was constructed 230 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); 231 232 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 233 } 234 // return value 235 if (pCppReturn && pUnoReturn != pCppReturn) 236 { 237 uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr, 238 pThis->getBridge()->getCpp2Uno() ); 239 uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); 240 } 241 // return type 242 if (pReturnTypeDescr) 243 TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); 244 } 245 246 } 247 248 namespace bridges { namespace cpp_uno { namespace shared { 249 250 void unoInterfaceProxyDispatch( 251 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, 252 void * pReturn, void * pArgs[], uno_Any ** ppException ) 253 { 254 // is my surrogate 255 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis 256 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI); 257 258 switch (pMemberDescr->eTypeClass) 259 { 260 case typelib_TypeClass_INTERFACE_ATTRIBUTE: 261 { 262 VtableSlot aVtableSlot( 263 getVtableSlot( 264 reinterpret_cast< 265 typelib_InterfaceAttributeTypeDescription const * >( 266 pMemberDescr))); 267 268 if (pReturn) 269 { 270 // dependent dispatch 271 cpp_call( 272 pThis, aVtableSlot, 273 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef, 274 0, 0, // no params 275 pReturn, pArgs, ppException ); 276 } 277 else 278 { 279 // is SET 280 typelib_MethodParameter aParam; 281 aParam.pTypeRef = 282 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef; 283 aParam.bIn = sal_True; 284 aParam.bOut = sal_False; 285 286 typelib_TypeDescriptionReference * pReturnTypeRef = 0; 287 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") ); 288 typelib_typedescriptionreference_new( 289 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); 290 291 // dependent dispatch 292 aVtableSlot.index += 1; // get, then set method 293 cpp_call( 294 pThis, aVtableSlot, // get, then set method 295 pReturnTypeRef, 296 1, &aParam, 297 pReturn, pArgs, ppException ); 298 299 typelib_typedescriptionreference_release( pReturnTypeRef ); 300 } 301 302 break; 303 } 304 case typelib_TypeClass_INTERFACE_METHOD: 305 { 306 VtableSlot aVtableSlot( 307 getVtableSlot( 308 reinterpret_cast< 309 typelib_InterfaceMethodTypeDescription const * >( 310 pMemberDescr))); 311 312 switch (aVtableSlot.index) 313 { 314 // standard calls 315 case 1: // acquire uno interface 316 (*pUnoI->acquire)( pUnoI ); 317 *ppException = 0; 318 break; 319 case 2: // release uno interface 320 (*pUnoI->release)( pUnoI ); 321 *ppException = 0; 322 break; 323 case 0: // queryInterface() opt 324 { 325 typelib_TypeDescription * pTD = 0; 326 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() ); 327 if (pTD) 328 { 329 uno_Interface * pInterface = 0; 330 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)( 331 pThis->getBridge()->getUnoEnv(), 332 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD ); 333 334 if (pInterface) 335 { 336 ::uno_any_construct( 337 reinterpret_cast< uno_Any * >( pReturn ), 338 &pInterface, pTD, 0 ); 339 (*pInterface->release)( pInterface ); 340 TYPELIB_DANGER_RELEASE( pTD ); 341 *ppException = 0; 342 break; 343 } 344 TYPELIB_DANGER_RELEASE( pTD ); 345 } 346 } // else perform queryInterface() 347 default: 348 // dependent dispatch 349 cpp_call( 350 pThis, aVtableSlot, 351 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef, 352 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams, 353 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams, 354 pReturn, pArgs, ppException ); 355 } 356 break; 357 } 358 default: 359 { 360 ::com::sun::star::uno::RuntimeException aExc( 361 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ), 362 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); 363 364 Type const & rExcType = ::getCppuType( &aExc ); 365 // binary identical null reference 366 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); 367 } 368 } 369 } 370 371 } } } 372