diff options
Diffstat (limited to 'bridges/source/cpp_uno/mingw_intel/cpp2uno.cxx')
-rw-r--r-- | bridges/source/cpp_uno/mingw_intel/cpp2uno.cxx | 521 |
1 files changed, 521 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/mingw_intel/cpp2uno.cxx b/bridges/source/cpp_uno/mingw_intel/cpp2uno.cxx new file mode 100644 index 000000000000..67864122bd2b --- /dev/null +++ b/bridges/source/cpp_uno/mingw_intel/cpp2uno.cxx @@ -0,0 +1,521 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_bridges.hxx" + +#include <com/sun/star/uno/genfunc.hxx> +#include "com/sun/star/uno/RuntimeException.hpp" +#include <uno/data.h> +#include <typelib/typedescription.hxx> +#include <sal/alloca.h> + +#include "bridges/cpp_uno/shared/bridge.hxx" +#include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx" +#include "bridges/cpp_uno/shared/types.hxx" +#include "bridges/cpp_uno/shared/vtablefactory.hxx" + +#include "share.hxx" +#include "smallstruct.hxx" + +using namespace ::com::sun::star::uno; + +namespace +{ + +//================================================================================================== +void cpp2uno_call( + bridges::cpp_uno::shared::CppInterfaceProxy * pThis, + const typelib_TypeDescription * pMemberTypeDescr, + typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return + sal_Int32 nParams, typelib_MethodParameter * pParams, + void ** pCallStack, + void * pReturnValue ) +{ + // pCallStack: ret, [return ptr], this, params + char * pCppStack = (char *)(pCallStack +1); + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + if (pReturnTypeRef) + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + + void * pUnoReturn = 0; + void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need + + if (pReturnTypeDescr) + { + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { + pUnoReturn = pReturnValue; // direct way for simple types + } + else // complex return via ptr (pCppReturn) + { + if (!bridges::cpp_uno::shared::isSmallStruct(pReturnTypeDescr)) { + pCppReturn = *(void **)pCppStack; + pCppStack += sizeof(void *); + } + else { + pCppReturn = pReturnValue; + } + + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + } + } + // pop this + pCppStack += sizeof( void* ); + + // stack space + OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" ); + // parameters + void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams ); + void ** pCppArgs = pUnoArgs + nParams; + // indizes of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams)); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams)); + + sal_Int32 nTempIndizes = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = 0; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut + && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + // value + { + pCppArgs[nPos] = pCppStack; + pUnoArgs[nPos] = pCppStack; + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + pCppStack += sizeof(sal_Int32); // extra long + break; + default: + break; + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + pCppArgs[nPos] = *(void **)pCppStack; + + if (! rParam.bIn) // is pure out + { + // uno out is unconstructed mem! + pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ); + pTempIndizes[nTempIndizes] = nPos; + // will be released at reconversion + ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( + pParamTypeDescr )) + { + uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ), + *(void **)pCppStack, pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + pTempIndizes[nTempIndizes] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; + } + else // direct way + { + pUnoArgs[nPos] = *(void **)pCppStack; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + // ExceptionHolder + uno_Any aUnoExc; // Any will be constructed by callee + uno_Any * pUnoExc = &aUnoExc; + + // invoke uno dispatch call + (*pThis->getUnoI()->pDispatcher)( + pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc ); + + // in case an exception occured... + if (pUnoExc) + { + // destruct temporary in/inout params + for ( ; nTempIndizes--; ) + { + sal_Int32 nIndex = pTempIndizes[nTempIndizes]; + + if (pParams[nIndex].bIn) // is in/inout => was constructed + uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); + } + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + + CPPU_CURRENT_NAMESPACE::raiseException( + &aUnoExc, pThis->getBridge()->getUno2Cpp() ); + // has to destruct the any + } + else // else no exception occured... + { + // temporary params + for ( ; nTempIndizes--; ) + { + sal_Int32 nIndex = pTempIndizes[nTempIndizes]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; + + if (pParams[nIndex].bOut) // inout/out + { + // convert and assign + uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + } + // destroy temp uno param + uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return + if (pCppReturn) // has complex return + { + if (pUnoReturn != pCppReturn) // needs reconversion + { + uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + // destroy temp uno return + uno_destructData( pUnoReturn, pReturnTypeDescr, 0 ); + } + if (pReturnValue != pCppReturn) + // complex return ptr is set to eax + *static_cast< void ** >(pReturnValue) = pCppReturn; + } + if (pReturnTypeDescr) + { + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } + } +} + + +//================================================================================================== +extern "C" void cpp_vtable_call( + int nFunctionIndex, int nVtableOffset, void** pCallStack, + void * pReturnValue ) +{ + OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" ); + + // pCallStack: ret adr, [ret *], this, params + void * pThis; + if( nFunctionIndex & 0x80000000 ) + { + nFunctionIndex &= 0x7fffffff; + pThis = pCallStack[2]; + } + else + { + pThis = pCallStack[1]; + } + pThis = static_cast< char * >(pThis) - nVtableOffset; + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI + = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + pThis); + + typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); + + OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + throw RuntimeException( + rtl::OUString::createFromAscii("illegal vtable index!"), + (XInterface *)pThis ); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" ); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef, + 0, 0, // no params + pCallStack, pReturnValue ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + cpp2uno_call( + pCppI, aMemberDescr.get(), + 0, // indicates void return + 1, &aParam, + pCallStack, pReturnValue ); + } + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // is METHOD + switch (nFunctionIndex) + { + case 1: // acquire() + pCppI->acquireProxy(); // non virtual call! + break; + case 2: // release() + pCppI->releaseProxy(); // non virtual call! + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() ); + if (pTD) + { + XInterface * pInterface = 0; + (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)( + pCppI->getBridge()->getCppEnv(), + (void **)&pInterface, pCppI->getOid().pData, + (typelib_InterfaceTypeDescription *)pTD ); + + if (pInterface) + { + ::uno_any_construct( + reinterpret_cast< uno_Any * >( pCallStack[1] ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *static_cast< void ** >(pReturnValue) = pCallStack[1]; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: + cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams, + pCallStack, pReturnValue ); + } + break; + } + default: + { + throw RuntimeException( + rtl::OUString::createFromAscii("no member description found!"), + (XInterface *)pThis ); + } + } +} + +//================================================================================================== +extern "C" void privateSnippetExecutorGeneral(); +extern "C" void privateSnippetExecutorVoid(); +extern "C" void privateSnippetExecutorHyper(); +extern "C" void privateSnippetExecutorFloat(); +extern "C" void privateSnippetExecutorDouble(); +extern "C" void privateSnippetExecutorClass(); +extern "C" typedef void (*PrivateSnippetExecutor)(); + +int const codeSnippetSize = 16; + +unsigned char * codeSnippet( + unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset, + typelib_TypeDescriptionReference * returnType) +{ + typelib_TypeDescription * returnTypeDescr = 0; + if (returnType) + TYPELIB_DANGER_GET( &returnTypeDescr, returnType ); + + typelib_TypeClass returnTypeClass = returnType ? returnType->eTypeClass : typelib_TypeClass_VOID; + if (!bridges::cpp_uno::shared::isSimpleType(returnTypeClass) && + !bridges::cpp_uno::shared::isSmallStruct(returnTypeDescr)) { + functionIndex |= 0x80000000; + } + PrivateSnippetExecutor exec; + switch (returnTypeClass) { + case typelib_TypeClass_VOID: + exec = privateSnippetExecutorVoid; + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + exec = privateSnippetExecutorHyper; + break; + case typelib_TypeClass_FLOAT: + exec = privateSnippetExecutorFloat; + break; + case typelib_TypeClass_DOUBLE: + exec = privateSnippetExecutorDouble; + break; + case typelib_TypeClass_STRUCT: + if (bridges::cpp_uno::shared::isSmallStruct(returnTypeDescr)) { + if (returnType->pType->nSize <= 4) { + exec = privateSnippetExecutorGeneral; + } + else if (returnType->pType->nSize <= 8) { + exec = privateSnippetExecutorHyper; + } + } + else { + exec = privateSnippetExecutorClass; + } + break; + case typelib_TypeClass_STRING: + case typelib_TypeClass_TYPE: + case typelib_TypeClass_ANY: + case typelib_TypeClass_SEQUENCE: + case typelib_TypeClass_INTERFACE: + exec = privateSnippetExecutorClass; + break; + default: + exec = privateSnippetExecutorGeneral; + break; + } + if (returnType) + TYPELIB_DANGER_RELEASE( returnTypeDescr ); + unsigned char * p = code; + OSL_ASSERT(sizeof (sal_Int32) == 4); + // mov function_index, %eax: + *p++ = 0xB8; + *reinterpret_cast< sal_Int32 * >(p) = functionIndex; + p += sizeof (sal_Int32); + // mov vtable_offset, %edx: + *p++ = 0xBA; + *reinterpret_cast< sal_Int32 * >(p) = vtableOffset; + p += sizeof (sal_Int32); + // jmp privateSnippetExecutor: + *p++ = 0xE9; + *reinterpret_cast< sal_Int32 * >(p) + = ((unsigned char *) exec) - p - sizeof (sal_Int32); + p += sizeof (sal_Int32); + OSL_ASSERT(p - code <= codeSnippetSize); + return code + codeSnippetSize; +} + +} + +struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; }; + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block) +{ + return static_cast< Slot * >(block) + 2; +} + +sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize( + sal_Int32 slotCount) +{ + return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize; +} + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::initializeBlock( + void * block, sal_Int32 slotCount) +{ + Slot * slots = mapBlockToVtable(block); + slots[-2].fn = 0; + slots[-1].fn = 0; + return slots + slotCount; +} + +unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions( + Slot ** slots, unsigned char * code, + typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset, + sal_Int32 functionCount, sal_Int32 vtableOffset) +{ + (*slots) -= functionCount; + Slot * s = *slots; + for (sal_Int32 i = 0; i < type->nMembers; ++i) { + typelib_TypeDescription * member = 0; + TYPELIB_DANGER_GET(&member, type->ppMembers[i]); + OSL_ASSERT(member != 0); + switch (member->eTypeClass) { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + // Getter: + (s++)->fn = code; + code = codeSnippet( + code, functionOffset++, vtableOffset, + reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >( + member)->pAttributeTypeRef); + // Setter: + if (!reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->bReadOnly) + { + (s++)->fn = code; + code = codeSnippet( + code, functionOffset++, vtableOffset, + NULL); + } + break; + + case typelib_TypeClass_INTERFACE_METHOD: + (s++)->fn = code; + code = codeSnippet( + code, functionOffset++, vtableOffset, + reinterpret_cast< typelib_InterfaceMethodTypeDescription * >( + member)->pReturnTypeRef); + break; + + default: + OSL_ASSERT(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +void bridges::cpp_uno::shared::VtableFactory::flushCode( + unsigned char const *, unsigned char const *) +{} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |