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 switch (pParamTypeDescr->eTypeClass) 109 { 110 case typelib_TypeClass_HYPER: 111 case typelib_TypeClass_UNSIGNED_HYPER: 112 *pStack++ = *(sal_uInt64*)&pCppArgs[nPos]; 113 break; 114 case typelib_TypeClass_LONG: 115 case typelib_TypeClass_UNSIGNED_LONG: 116 case typelib_TypeClass_ENUM: 117 *pStack++ = *(sal_uInt32*)&pCppArgs[nPos]; 118 break; 119 case typelib_TypeClass_SHORT: 120 case typelib_TypeClass_UNSIGNED_SHORT: 121 case typelib_TypeClass_CHAR: 122 *pStack++ = *(sal_uInt16*)&pCppArgs[nPos]; 123 break; 124 case typelib_TypeClass_BOOLEAN: 125 case typelib_TypeClass_BYTE: 126 *pStack++ = *(sal_uInt8*)&pCppArgs[nPos]; 127 break; 128 case typelib_TypeClass_FLOAT: 129 case typelib_TypeClass_DOUBLE: 130 *pStack++ = *(sal_uInt64*)&pCppArgs[nPos]; // verbatim! 131 break; 132 default: 133 break; 134 } 135 // no longer needed 136 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 137 } 138 else // ptr to complex value | ref 139 { 140 if (! rParam.bIn) // is pure out 141 { 142 // cpp out is constructed mem, uno out is not! 143 uno_constructData( 144 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), 145 pParamTypeDescr ); 146 pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call 147 // will be released at reconversion 148 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; 149 } 150 // is in/inout 151 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) 152 { 153 uno_copyAndConvertData( 154 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), 155 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); 156 157 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted 158 // will be released at reconversion 159 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; 160 } 161 else // direct way 162 { 163 pCppArgs[nPos] = pUnoArgs[nPos]; 164 // no longer needed 165 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 166 } 167 *pStack++ = *(sal_uInt64*)&pCppArgs[nPos]; 168 } 169 } 170 171 __try 172 { 173 // pCppI is mscx this pointer 174 callVirtualMethod( 175 pAdjustedThisPtr, 176 aVtableSlot.index, 177 pCppReturn, pReturnTypeDescr->eTypeClass, 178 pStackStart, (pStack - pStackStart) ); 179 } 180 __except (CPPU_CURRENT_NAMESPACE::mscx_filterCppException( 181 GetExceptionInformation(), 182 *ppUnoExc, pThis->getBridge()->getCpp2Uno() )) 183 { 184 // *ppUnoExc was constructed by filter function 185 // temporary params 186 for ( ; nTempIndizes--; ) 187 { 188 sal_Int32 nIndex = pTempIndizes[nTempIndizes]; 189 // destroy temp cpp param => cpp: every param was constructed 190 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release ); 191 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); 192 } 193 // return type 194 if (pReturnTypeDescr) 195 TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); 196 // end here 197 return; 198 } 199 200 // NO exception occurred 201 *ppUnoExc = 0; 202 203 // reconvert temporary params 204 for ( ; nTempIndizes--; ) 205 { 206 sal_Int32 nIndex = pTempIndizes[nTempIndizes]; 207 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; 208 209 if (pParams[nIndex].bIn) 210 { 211 if (pParams[nIndex].bOut) // inout 212 { 213 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value 214 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, 215 pThis->getBridge()->getCpp2Uno() ); 216 } 217 } 218 else // pure out 219 { 220 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, 221 pThis->getBridge()->getCpp2Uno() ); 222 } 223 // destroy temp cpp param => cpp: every param was constructed 224 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); 225 226 TYPELIB_DANGER_RELEASE( pParamTypeDescr ); 227 } 228 // return value 229 if (pCppReturn && pUnoReturn != pCppReturn) 230 { 231 uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr, 232 pThis->getBridge()->getCpp2Uno() ); 233 uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); 234 } 235 // return type 236 if (pReturnTypeDescr) 237 TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); 238 } 239 240 } 241 242 namespace bridges { namespace cpp_uno { namespace shared { 243 244 void unoInterfaceProxyDispatch( 245 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, 246 void * pReturn, void * pArgs[], uno_Any ** ppException ) 247 { 248 // is my surrogate 249 bridges::cpp_uno::shared::UnoInterfaceProxy * pThis 250 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI); 251 252 switch (pMemberDescr->eTypeClass) 253 { 254 case typelib_TypeClass_INTERFACE_ATTRIBUTE: 255 { 256 VtableSlot aVtableSlot( 257 getVtableSlot( 258 reinterpret_cast< 259 typelib_InterfaceAttributeTypeDescription const * >( 260 pMemberDescr))); 261 262 if (pReturn) 263 { 264 // dependent dispatch 265 cpp_call( 266 pThis, aVtableSlot, 267 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef, 268 0, 0, // no params 269 pReturn, pArgs, ppException ); 270 } 271 else 272 { 273 // is SET 274 typelib_MethodParameter aParam; 275 aParam.pTypeRef = 276 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef; 277 aParam.bIn = sal_True; 278 aParam.bOut = sal_False; 279 280 typelib_TypeDescriptionReference * pReturnTypeRef = 0; 281 OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") ); 282 typelib_typedescriptionreference_new( 283 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); 284 285 // dependent dispatch 286 aVtableSlot.index += 1; // get, then set method 287 cpp_call( 288 pThis, aVtableSlot, // get, then set method 289 pReturnTypeRef, 290 1, &aParam, 291 pReturn, pArgs, ppException ); 292 293 typelib_typedescriptionreference_release( pReturnTypeRef ); 294 } 295 296 break; 297 } 298 case typelib_TypeClass_INTERFACE_METHOD: 299 { 300 VtableSlot aVtableSlot( 301 getVtableSlot( 302 reinterpret_cast< 303 typelib_InterfaceMethodTypeDescription const * >( 304 pMemberDescr))); 305 306 switch (aVtableSlot.index) 307 { 308 // standard calls 309 case 1: // acquire uno interface 310 (*pUnoI->acquire)( pUnoI ); 311 *ppException = 0; 312 break; 313 case 2: // release uno interface 314 (*pUnoI->release)( pUnoI ); 315 *ppException = 0; 316 break; 317 case 0: // queryInterface() opt 318 { 319 typelib_TypeDescription * pTD = 0; 320 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() ); 321 if (pTD) 322 { 323 uno_Interface * pInterface = 0; 324 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)( 325 pThis->getBridge()->getUnoEnv(), 326 (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD ); 327 328 if (pInterface) 329 { 330 ::uno_any_construct( 331 reinterpret_cast< uno_Any * >( pReturn ), 332 &pInterface, pTD, 0 ); 333 (*pInterface->release)( pInterface ); 334 TYPELIB_DANGER_RELEASE( pTD ); 335 *ppException = 0; 336 break; 337 } 338 TYPELIB_DANGER_RELEASE( pTD ); 339 } 340 } // else perform queryInterface() 341 default: 342 // dependent dispatch 343 cpp_call( 344 pThis, aVtableSlot, 345 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef, 346 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams, 347 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams, 348 pReturn, pArgs, ppException ); 349 } 350 break; 351 } 352 default: 353 { 354 ::com::sun::star::uno::RuntimeException aExc( 355 OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ), 356 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); 357 358 Type const & rExcType = ::getCppuType( &aExc ); 359 // binary identical null reference 360 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); 361 } 362 } 363 } 364 365 } } } 366