Split uno2cpp.cxx and cpp2uno.cxx into separate files for the emulator (i386) and device (ARM). Much cleaner like that. Try harder to get the ARM stuff to actually work. Add the rtti.h and unwind-cxx.h files from libcppabi as such instead of cherry-picking stuff from them. Change-Id: Ia238a9ce048116ad796dfb168fd4e5d3b9712ad5
569 lines
21 KiB
C++
569 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifdef __arm
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// For iOS devices (ARM). Basically a copy of n
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// ../gcc3_linux_arm/cpp2uno.cxx with some cleanups and necessary
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// changes: No dynamic code generation as that is prohibited for apps
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// in the App Store. Instead we use a set of pre-generated snippets.
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// No attempts at factoring out the large amounts of more or less
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// common code in this and cpp2uno-i386.cxx have been done. Which is
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// sad. But then the whole bridges/source/cpp_uno is full of
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// copy/paste. So I continue in that tradition...
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#include <com/sun/star/uno/RuntimeException.hpp>
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#include <uno/data.h>
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#include <typelib/typedescription.hxx>
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#include "bridges/cpp_uno/shared/bridge.hxx"
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#include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
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#include "bridges/cpp_uno/shared/types.hxx"
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#include "bridges/cpp_uno/shared/vtablefactory.hxx"
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#include "share.hxx"
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extern "C" {
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extern int nFunIndexes, nVtableOffsets;
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extern int codeSnippets[];
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}
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using namespace ::com::sun::star::uno;
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namespace
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{
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static typelib_TypeClass cpp2uno_call(
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bridges::cpp_uno::shared::CppInterfaceProxy* pThis,
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const typelib_TypeDescription * pMemberTypeDescr,
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typelib_TypeDescriptionReference * pReturnTypeRef,
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sal_Int32 nParams, typelib_MethodParameter * pParams,
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void ** pCallStack,
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sal_Int64 * pRegisterReturn /* space for register return */ )
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{
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// pCallStack: ret, [return ptr], this, params
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char * pTopStack = (char *)(pCallStack + 0);
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char * pCppStack = pTopStack;
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#ifdef __ARM_PCS_VFP
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int dc = 0;
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char * pFloatArgs = (char *)(pCppStack - 64);
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#endif
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// return
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typelib_TypeDescription * pReturnTypeDescr = 0;
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if (pReturnTypeRef)
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TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
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void * pUnoReturn = 0;
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// complex return ptr: if != 0 && != pUnoReturn, reconversion need
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void * pCppReturn = 0;
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if (pReturnTypeDescr)
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{
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if (!arm::return_in_hidden_param(pReturnTypeRef))
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pUnoReturn = pRegisterReturn; // direct way for simple types
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else // complex return via ptr (pCppReturn)
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{
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pCppReturn = *(void **)pCppStack;
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pCppStack += sizeof(void *);
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pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
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pReturnTypeDescr )
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? alloca( pReturnTypeDescr->nSize )
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: pCppReturn); // direct way
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}
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}
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// pop this
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pCppStack += sizeof( void* );
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// stack space
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OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32),
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"### unexpected size!" );
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// parameters
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void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
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void ** pCppArgs = pUnoArgs + nParams;
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// indizes of values this have to be converted (interface conversion
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// cpp<=>uno)
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sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
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// type descriptions for reconversions
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typelib_TypeDescription ** ppTempParamTypeDescr =
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(typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
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sal_Int32 nTempIndizes = 0;
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for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
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{
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const typelib_MethodParameter & rParam = pParams[nPos];
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typelib_TypeDescription * pParamTypeDescr = 0;
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TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
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if (!rParam.bOut &&
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bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
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{
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#ifdef __ARM_EABI__
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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#ifndef __ARM_PCS_VFP
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case typelib_TypeClass_DOUBLE:
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#endif
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if ((pCppStack - pTopStack) % 8) pCppStack+=sizeof(sal_Int32); //align to 8
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break;
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default:
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break;
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}
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#endif
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// For armhf we get the floating point arguments from a different area of the stack
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#ifdef __ARM_PCS_VFP
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if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT)
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{
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pCppArgs[nPos] = pUnoArgs[nPos] = pFloatArgs;
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pFloatArgs += sizeof(float);
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} else
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if (pParamTypeDescr->eTypeClass == typelib_TypeClass_DOUBLE)
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{
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if ((pFloatArgs - pTopStack) % 8) pFloatArgs+=sizeof(float); //align to 8
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pCppArgs[nPos] = pUnoArgs[nPos] = pFloatArgs;
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pFloatArgs += sizeof(double);
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if (++dc == arm::MAX_FPR_REGS) {
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if (pCppStack - pTopStack < 16)
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pCppStack = pTopStack + 16;
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pFloatArgs = pCppStack;
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}
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} else
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#endif
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pCppArgs[nPos] = pUnoArgs[nPos] = pCppStack;
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_HYPER:
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case typelib_TypeClass_UNSIGNED_HYPER:
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#ifndef __ARM_PCS_VFP
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case typelib_TypeClass_DOUBLE:
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#endif
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pCppStack += sizeof(sal_Int32); // extra long
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break;
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default:
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break;
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}
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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else // ptr to complex value | ref
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{
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pCppArgs[nPos] = *(void **)pCppStack;
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if (! rParam.bIn) // is pure out
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{
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// uno out is unconstructed mem!
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pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
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pTempIndizes[nTempIndizes] = nPos;
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
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}
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// is in/inout
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else if (bridges::cpp_uno::shared::relatesToInterfaceType(
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pParamTypeDescr ))
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{
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uno_copyAndConvertData( pUnoArgs[nPos] =
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alloca( pParamTypeDescr->nSize ),
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*(void **)pCppStack, pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno() );
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pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
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}
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else // direct way
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{
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pUnoArgs[nPos] = *(void **)pCppStack;
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// no longer needed
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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}
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#ifdef __ARM_PCS_VFP
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// use the stack for output parameters or non floating point values
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if (rParam.bOut ||
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((pParamTypeDescr->eTypeClass != typelib_TypeClass_DOUBLE)
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&& (pParamTypeDescr->eTypeClass != typelib_TypeClass_FLOAT))
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)
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#endif
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pCppStack += sizeof(sal_Int32); // standard parameter length
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}
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// ExceptionHolder
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uno_Any aUnoExc; // Any will be constructed by callee
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uno_Any * pUnoExc = &aUnoExc;
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// invoke uno dispatch call
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(*pThis->getUnoI()->pDispatcher)(
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pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
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// in case an exception occurred...
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if (pUnoExc)
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{
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// destruct temporary in/inout params
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for ( ; nTempIndizes--; )
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{
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sal_Int32 nIndex = pTempIndizes[nTempIndizes];
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if (pParams[nIndex].bIn) // is in/inout => was constructed
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uno_destructData( pUnoArgs[nIndex],
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ppTempParamTypeDescr[nTempIndizes], 0 );
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TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
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}
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if (pReturnTypeDescr)
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc,
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pThis->getBridge()->getUno2Cpp() ); // has to destruct the any
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// is here for dummy
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return typelib_TypeClass_VOID;
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}
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else // else no exception occurred...
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{
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// temporary params
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for ( ; nTempIndizes--; )
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{
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sal_Int32 nIndex = pTempIndizes[nTempIndizes];
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typelib_TypeDescription * pParamTypeDescr =
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ppTempParamTypeDescr[nTempIndizes];
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if (pParams[nIndex].bOut) // inout/out
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{
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// convert and assign
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uno_destructData( pCppArgs[nIndex], pParamTypeDescr,
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cpp_release );
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uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex],
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pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
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}
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// destroy temp uno param
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uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
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TYPELIB_DANGER_RELEASE( pParamTypeDescr );
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}
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// return
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if (pCppReturn) // has complex return
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{
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if (pUnoReturn != pCppReturn) // needs reconversion
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{
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uno_copyAndConvertData( pCppReturn, pUnoReturn,
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pReturnTypeDescr, pThis->getBridge()->getUno2Cpp() );
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// destroy temp uno return
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uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
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}
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// complex return ptr is set to eax
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*(void **)pRegisterReturn = pCppReturn;
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}
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if (pReturnTypeDescr)
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{
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typelib_TypeClass eRet =
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(typelib_TypeClass)pReturnTypeDescr->eTypeClass;
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TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
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return eRet;
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}
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else
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return typelib_TypeClass_VOID;
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}
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}
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//=====================================================================
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static typelib_TypeClass cpp_mediate(
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sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
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void ** pCallStack,
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sal_Int64 * pRegisterReturn /* space for register return */ )
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{
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OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
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// pCallStack: [ret *], this, params
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// _this_ ptr is patched cppu_XInterfaceProxy object
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void *pThis;
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if( nFunctionIndex & 0x80000000 )
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{
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nFunctionIndex &= 0x7fffffff;
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pThis = pCallStack[1];
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}
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else
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{
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pThis = pCallStack[0];
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}
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pThis = static_cast< char * >(pThis) - nVtableOffset;
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bridges::cpp_uno::shared::CppInterfaceProxy * pCppI =
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bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
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pThis);
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typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
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OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex,
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"### illegal vtable index!" );
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if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
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{
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throw RuntimeException( "illegal vtable index!", (XInterface *)pCppI );
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}
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// determine called method
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OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex,
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"### illegal vtable index!" );
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sal_Int32 nMemberPos =
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pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
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OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers,
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"### illegal member index!" );
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TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
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typelib_TypeClass eRet;
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switch (aMemberDescr.get()->eTypeClass)
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{
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case typelib_TypeClass_INTERFACE_ATTRIBUTE:
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{
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if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] ==
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nFunctionIndex)
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{
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// is GET method
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
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0, 0, // no params
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pCallStack, pRegisterReturn );
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}
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else
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{
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// is SET method
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typelib_MethodParameter aParam;
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aParam.pTypeRef =
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((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
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aParam.bIn = sal_True;
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aParam.bOut = sal_False;
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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0, // indicates void return
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1, &aParam,
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pCallStack, pRegisterReturn );
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}
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break;
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}
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case typelib_TypeClass_INTERFACE_METHOD:
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{
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// is METHOD
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switch (nFunctionIndex)
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{
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case 1: // acquire()
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pCppI->acquireProxy(); // non virtual call!
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eRet = typelib_TypeClass_VOID;
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break;
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case 2: // release()
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pCppI->releaseProxy(); // non virtual call!
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eRet = typelib_TypeClass_VOID;
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break;
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case 0: // queryInterface() opt
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{
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typelib_TypeDescription * pTD = 0;
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TYPELIB_DANGER_GET(&pTD,
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reinterpret_cast<Type *>(pCallStack[2])->getTypeLibType());
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if (pTD)
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{
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XInterface * pInterface = 0;
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(*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
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pCppI->getBridge()->getCppEnv(),
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(void **)&pInterface, pCppI->getOid().pData,
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(typelib_InterfaceTypeDescription *)pTD );
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if (pInterface)
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{
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::uno_any_construct(
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reinterpret_cast< uno_Any * >( pCallStack[0] ),
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&pInterface, pTD, cpp_acquire );
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pInterface->release();
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TYPELIB_DANGER_RELEASE( pTD );
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*(void **)pRegisterReturn = pCallStack[0];
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eRet = typelib_TypeClass_ANY;
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break;
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}
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TYPELIB_DANGER_RELEASE( pTD );
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}
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} // else perform queryInterface()
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default:
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eRet = cpp2uno_call(
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pCppI, aMemberDescr.get(),
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
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((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
|
|
pCallStack, pRegisterReturn );
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|
}
|
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break;
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}
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|
default:
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|
{
|
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throw RuntimeException( "no member description found!", (XInterface *)pCppI );
|
|
}
|
|
}
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|
|
|
return eRet;
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|
}
|
|
}
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|
|
|
//=======================================================================
|
|
/**
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|
* is called on incoming vtable calls
|
|
* (called by asm snippets)
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|
*/
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|
|
extern "C" sal_Int64 cpp_vtable_call( long *pFunctionAndOffset,
|
|
void **pCallStack )
|
|
{
|
|
sal_Int64 nRegReturn;
|
|
typelib_TypeClass aType = cpp_mediate( pFunctionAndOffset[0], pFunctionAndOffset[1], pCallStack,
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&nRegReturn );
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|
|
|
switch( aType )
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|
{
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|
case typelib_TypeClass_BOOLEAN:
|
|
case typelib_TypeClass_BYTE:
|
|
nRegReturn = (unsigned long)(*(unsigned char *)&nRegReturn);
|
|
break;
|
|
case typelib_TypeClass_CHAR:
|
|
case typelib_TypeClass_UNSIGNED_SHORT:
|
|
case typelib_TypeClass_SHORT:
|
|
nRegReturn = (unsigned long)(*(unsigned short *)&nRegReturn);
|
|
break;
|
|
case typelib_TypeClass_ENUM:
|
|
case typelib_TypeClass_UNSIGNED_LONG:
|
|
case typelib_TypeClass_LONG:
|
|
nRegReturn = (unsigned long)(*(unsigned int *)&nRegReturn);
|
|
break;
|
|
case typelib_TypeClass_VOID:
|
|
default:
|
|
break;
|
|
}
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|
|
|
return nRegReturn;
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|
}
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|
|
|
namespace
|
|
{
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|
unsigned char *codeSnippet(sal_Int32 functionIndex,
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|
sal_Int32 vtableOffset, bool bHasHiddenParam)
|
|
{
|
|
assert(functionIndex < nFunIndexes);
|
|
if (!(functionIndex < nFunIndexes))
|
|
return NULL;
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|
|
|
assert(vtableOffset < nVtableOffsets);
|
|
if (!(vtableOffset < nVtableOffsets))
|
|
return NULL;
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|
|
|
// The codeSnippets table is indexed by functionIndex,
|
|
// vtableOffset, and the has-hidden-param flag
|
|
|
|
int index = functionIndex*nVtableOffsets*2 + vtableOffset*2 + bHasHiddenParam;
|
|
unsigned char *result = ((unsigned char *) &codeSnippets) + codeSnippets[index];
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|
|
|
SAL_INFO( "bridges.ios",
|
|
"codeSnippet: [" <<
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|
functionIndex << "," << vtableOffset << "," << bHasHiddenParam << "]=" <<
|
|
(void *) result);
|
|
|
|
return result;
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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:
|
|
{
|
|
typelib_InterfaceAttributeTypeDescription *pAttrTD =
|
|
reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( member );
|
|
|
|
// Getter:
|
|
(s++)->fn = codeSnippet(
|
|
functionOffset++, vtableOffset,
|
|
arm::return_in_hidden_param( pAttrTD->pAttributeTypeRef ));
|
|
|
|
// Setter:
|
|
if (!pAttrTD->bReadOnly)
|
|
{
|
|
(s++)->fn = codeSnippet(
|
|
functionOffset++, vtableOffset, false);
|
|
}
|
|
break;
|
|
}
|
|
case typelib_TypeClass_INTERFACE_METHOD:
|
|
{
|
|
typelib_InterfaceMethodTypeDescription *pMethodTD =
|
|
reinterpret_cast<
|
|
typelib_InterfaceMethodTypeDescription * >(member);
|
|
|
|
(s++)->fn = codeSnippet(functionOffset++, vtableOffset,
|
|
arm::return_in_hidden_param(pMethodTD->pReturnTypeRef));
|
|
break;
|
|
}
|
|
default:
|
|
OSL_ASSERT(false);
|
|
break;
|
|
}
|
|
TYPELIB_DANGER_RELEASE(member);
|
|
}
|
|
return code;
|
|
}
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|