479 lines
19 KiB
C++
479 lines
19 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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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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#include <sal/config.h>
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#include <exception>
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#include <malloc.h>
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#include <cstring>
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#include <typeinfo>
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#include <com/sun/star/uno/Exception.hpp>
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#include <com/sun/star/uno/RuntimeException.hpp>
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#include <com/sun/star/uno/genfunc.hxx>
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#include <o3tl/runtimetooustring.hxx>
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#include <uno/data.h>
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#include "bridge.hxx"
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#include "types.hxx"
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#include "unointerfaceproxy.hxx"
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#include "vtables.hxx"
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#include "share.hxx"
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#include "abi.hxx"
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using namespace ::com::sun::star::uno;
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namespace
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{
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void pushArgs(unsigned long value, unsigned long* const stack, sal_Int32* const sp,
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unsigned long* const regs, sal_Int32* const nregs)
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{
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(*nregs != 8 ? regs[(*nregs)++] : stack[(*sp)++]) = value;
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}
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static void callVirtualMethod(void* pAdjustedThisPtr, sal_Int32 nVtableIndex, void* pRegisterReturn,
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typelib_TypeDescriptionReference* pReturnTypeRef, bool bSimpleReturn,
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sal_uInt64* pStack, sal_uInt32 nStack, sal_uInt64* pGPR, double* pFPR)
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{
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// Get pointer to method
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sal_uInt64 pMethod = *((sal_uInt64*)pAdjustedThisPtr);
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pMethod += 8 * nVtableIndex;
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void* mfunc = (void*)*((sal_uInt64*)pMethod);
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// Load parameters to stack, if necessary
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sal_uInt64* pCallStack = NULL;
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if (nStack)
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{
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// 16-bytes aligned
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sal_uInt32 nStackBytes = ((nStack + 1) >> 1) * 16;
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pCallStack = (sal_uInt64*)__builtin_alloca(nStackBytes);
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std::memcpy(pCallStack, pStack, nStackBytes);
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}
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sal_Int64 gret[2];
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double fret[2];
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asm volatile(
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// Fill the general purpose registers
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"ld.d $r4,%[gpr],0 \n\t"
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"ld.d $r5,%[gpr],8 \n\t"
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"ld.d $r6,%[gpr],16 \n\t"
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"ld.d $r7,%[gpr],24 \n\t"
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"ld.d $r8,%[gpr],32 \n\t"
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"ld.d $r9,%[gpr],40 \n\t"
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"ld.d $r10,%[gpr],48 \n\t"
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"ld.d $r11,%[gpr],56 \n\t"
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// Fill the floating pointer registers
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"fld.d $f0,%[fpr],0 \n\t"
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"fld.d $f1,%[fpr],8 \n\t"
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"fld.d $f2,%[fpr],16 \n\t"
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"fld.d $f3,%[fpr],24 \n\t"
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"fld.d $f4,%[fpr],32 \n\t"
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"fld.d $f5,%[fpr],40 \n\t"
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"fld.d $f6,%[fpr],48 \n\t"
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"fld.d $f7,%[fpr],56 \n\t"
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// Perform the call
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"jirl $ra,%[mfunc],0 \n\t"
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// Fill the return values
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"move %[gret1], $a0 \n\t"
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"move %[gret2], $a1 \n\t"
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"fmov.d %[fret1], $f0 \n\t"
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"fmov.d %[fret2], $f1 \n\t"
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: [gret1] "=r"(gret[0]), [gret2] "=r"(gret[1]), [fret1] "=f"(fret[0]), [fret2] "=f"(fret[1])
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: [gpr] "r"(pGPR), [fpr] "r"(pFPR), [mfunc] "r"(mfunc),
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[stack] "m"(
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pCallStack) // dummy input to prevent the compiler from optimizing the alloca out
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: "$r4", "$r5", "$r6", "$r7", "$r8", "$r9", "$r10", "$r11", "$r1", "$f0", "$f1", "$f2",
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"$f3", "$f4", "$f5", "$f6", "$f7", "memory");
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switch (pReturnTypeRef->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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case typelib_TypeClass_LONG:
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case typelib_TypeClass_UNSIGNED_LONG:
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case typelib_TypeClass_ENUM:
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case typelib_TypeClass_CHAR:
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case typelib_TypeClass_SHORT:
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case typelib_TypeClass_UNSIGNED_SHORT:
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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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*reinterpret_cast<sal_Int64*>(pRegisterReturn) = gret[0];
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break;
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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*reinterpret_cast<double*>(pRegisterReturn) = fret[0];
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break;
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case typelib_TypeClass_STRUCT:
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case typelib_TypeClass_EXCEPTION:
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{
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sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
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if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
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{
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loongarch64::fillReturn(pReturnTypeRef, gret, fret, pRegisterReturn);
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}
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break;
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}
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default:
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break;
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}
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}
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static void cpp_call(bridges::cpp_uno::shared::UnoInterfaceProxy* pThis,
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bridges::cpp_uno::shared::VtableSlot aVtableSlot,
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typelib_TypeDescriptionReference* pReturnTypeRef, sal_Int32 nParams,
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typelib_MethodParameter* pParams, void* pUnoReturn, void* pUnoArgs[],
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uno_Any** ppUnoExc)
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{
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// max space for: [complex ret ptr], values|ptr ...
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sal_uInt64* pStack = (sal_uInt64*)__builtin_alloca(((nParams + 3) * sizeof(sal_Int64)));
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sal_uInt64* pStackStart = pStack;
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sal_Int32 sp = 0;
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sal_uInt64 pGPR[MAX_GP_REGS];
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sal_Int32 gCount = 0;
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double pFPR[MAX_FP_REGS];
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sal_Int32 fCount = 0;
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// return
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typelib_TypeDescription* pReturnTypeDescr = 0;
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TYPELIB_DANGER_GET(&pReturnTypeDescr, pReturnTypeRef);
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assert(pReturnTypeDescr);
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void* pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
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bool bSimpleReturn = true;
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if (pReturnTypeDescr)
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{
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if (CPPU_CURRENT_NAMESPACE::return_in_hidden_param(pReturnTypeRef))
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{
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bSimpleReturn = false;
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// complex return via ptr
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pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType(pReturnTypeDescr)
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? __builtin_alloca(pReturnTypeDescr->nSize)
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: pUnoReturn;
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pGPR[gCount++] = reinterpret_cast<unsigned long>(pCppReturn);
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}
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else
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{
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pCppReturn = pUnoReturn; // direct way for simple types
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}
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}
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// push this
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void* pAdjustedThisPtr = reinterpret_cast<void**>(pThis->getCppI()) + aVtableSlot.offset;
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pGPR[gCount++] = reinterpret_cast<unsigned long>(pAdjustedThisPtr);
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// args
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void** pCppArgs = (void**)alloca(3 * sizeof(void*) * nParams);
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// indices of values this have to be converted (interface conversion cpp<=>uno)
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sal_Int32* pTempIndices = (sal_Int32*)(pCppArgs + nParams);
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// type descriptions for reconversions
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typelib_TypeDescription** ppTempParamTypeDescr
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= (typelib_TypeDescription**)(pCppArgs + (2 * nParams));
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sal_Int32 nTempIndices = 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 && bridges::cpp_uno::shared::isSimpleType(pParamTypeDescr))
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{
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uno_copyAndConvertData(pCppArgs[nPos] = alloca(8), pUnoArgs[nPos], pParamTypeDescr,
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pThis->getBridge()->getUno2Cpp());
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switch (pParamTypeDescr->eTypeClass)
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{
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case typelib_TypeClass_LONG:
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case typelib_TypeClass_ENUM:
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pushArgs(*static_cast<sal_Int32*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_UNSIGNED_LONG:
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pushArgs(*static_cast<sal_uInt32*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_CHAR:
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pushArgs(*static_cast<sal_Unicode*>(pCppArgs[nPos]), pStack, &sp, pGPR,
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&gCount);
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break;
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case typelib_TypeClass_SHORT:
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pushArgs(*static_cast<sal_Int16*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_UNSIGNED_SHORT:
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pushArgs(*static_cast<sal_uInt16*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_BOOLEAN:
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pushArgs(static_cast<unsigned long>(*static_cast<sal_Bool*>(pCppArgs[nPos])),
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pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_BYTE:
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pushArgs(*static_cast<sal_Int8*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_FLOAT:
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case typelib_TypeClass_DOUBLE:
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if (fCount != MAX_FP_REGS)
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{
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pFPR[fCount++] = *static_cast<double*>(pCppArgs[nPos]);
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}
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else if (gCount != MAX_GP_REGS)
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{
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pGPR[gCount++] = *static_cast<unsigned long*>(pCppArgs[nPos]);
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}
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else
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{
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pStack[sp++] = *static_cast<unsigned long*>(pCppArgs[nPos]);
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}
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break;
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case typelib_TypeClass_HYPER:
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pushArgs(*static_cast<sal_Int64*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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break;
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case typelib_TypeClass_UNSIGNED_HYPER:
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pushArgs(*static_cast<sal_uInt64*>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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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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if (!rParam.bIn) // is pure out
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{
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// cpp out is constructed mem, uno out is not!
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uno_constructData(pCppArgs[nPos] = alloca(pParamTypeDescr->nSize), pParamTypeDescr);
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pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
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}
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// is in/inout
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else if (bridges::cpp_uno::shared::relatesToInterfaceType(pParamTypeDescr))
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{
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uno_copyAndConvertData(pCppArgs[nPos] = alloca(pParamTypeDescr->nSize),
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pUnoArgs[nPos], pParamTypeDescr,
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pThis->getBridge()->getUno2Cpp());
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pTempIndices[nTempIndices] = nPos; // has to be reconverted
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// will be released at reconversion
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ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
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}
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else // direct way
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{
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pCppArgs[nPos] = pUnoArgs[nPos];
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// no longer needed
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TYPELIB_DANGER_RELEASE(pParamTypeDescr);
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}
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pushArgs(reinterpret_cast<unsigned long>(pCppArgs[nPos]), pStack, &sp, pGPR, &gCount);
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}
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}
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try
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{
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try
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{
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callVirtualMethod(pAdjustedThisPtr, aVtableSlot.index, pCppReturn, pReturnTypeRef,
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bSimpleReturn, pStackStart, sp, pGPR, pFPR);
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}
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catch (css::uno::Exception&)
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{
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throw;
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}
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catch (std::exception& e)
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{
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throw css::uno::RuntimeException("C++ code threw "
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+ o3tl::runtimeToOUString(typeid(e).name()) + ": "
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+ o3tl::runtimeToOUString(e.what()));
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}
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catch (...)
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{
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throw css::uno::RuntimeException("C++ code threw unknown exception");
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}
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// NO exception occurred...
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*ppUnoExc = 0;
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// reconvert temporary params
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for (; nTempIndices--;)
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{
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sal_Int32 nIndex = pTempIndices[nTempIndices];
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typelib_TypeDescription* pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
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if (pParams[nIndex].bIn)
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{
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if (pParams[nIndex].bOut) // inout
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{
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uno_destructData(pUnoArgs[nIndex], pParamTypeDescr, 0); // destroy uno value
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uno_copyAndConvertData(pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno());
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}
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}
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else // pure out
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{
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uno_copyAndConvertData(pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
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pThis->getBridge()->getCpp2Uno());
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}
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// destroy temp cpp param => cpp: every param was constructed
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uno_destructData(pCppArgs[nIndex], pParamTypeDescr, cpp_release);
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TYPELIB_DANGER_RELEASE(pParamTypeDescr);
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}
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// return value
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if (pCppReturn && pUnoReturn != pCppReturn)
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{
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uno_copyAndConvertData(pUnoReturn, pCppReturn, pReturnTypeDescr,
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pThis->getBridge()->getCpp2Uno());
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uno_destructData(pCppReturn, pReturnTypeDescr, cpp_release);
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}
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}
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catch (...)
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{
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// fill uno exception
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CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
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// temporary params
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for (; nTempIndices--;)
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{
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sal_Int32 nIndex = pTempIndices[nTempIndices];
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// destroy temp cpp param => cpp: every param was constructed
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uno_destructData(pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release);
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TYPELIB_DANGER_RELEASE(ppTempParamTypeDescr[nTempIndices]);
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}
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// return type
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if (pReturnTypeDescr)
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TYPELIB_DANGER_RELEASE(pReturnTypeDescr);
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}
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}
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}
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namespace bridges::cpp_uno::shared
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{
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void unoInterfaceProxyDispatch(uno_Interface* pUnoI, const typelib_TypeDescription* pMemberDescr,
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void* pReturn, void* pArgs[], uno_Any** ppException)
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{
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// is my surrogate
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bridges::cpp_uno::shared::UnoInterfaceProxy* pThis
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= static_cast<bridges::cpp_uno::shared::UnoInterfaceProxy*>(pUnoI);
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//typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
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switch (pMemberDescr->eTypeClass)
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{
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case typelib_TypeClass_INTERFACE_ATTRIBUTE:
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{
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VtableSlot aVtableSlot(getVtableSlot(
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reinterpret_cast<typelib_InterfaceAttributeTypeDescription const*>(pMemberDescr)));
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if (pReturn)
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{
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// dependent dispatch
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cpp_call(
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pThis, aVtableSlot,
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((typelib_InterfaceAttributeTypeDescription*)pMemberDescr)->pAttributeTypeRef,
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0, 0, // no params
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pReturn, pArgs, ppException);
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}
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else
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{
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// is SET
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typelib_MethodParameter aParam;
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aParam.pTypeRef
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= ((typelib_InterfaceAttributeTypeDescription*)pMemberDescr)->pAttributeTypeRef;
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aParam.bIn = sal_True;
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aParam.bOut = sal_False;
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typelib_TypeDescriptionReference* pReturnTypeRef = 0;
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OUString aVoidName("void");
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typelib_typedescriptionreference_new(&pReturnTypeRef, typelib_TypeClass_VOID,
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aVoidName.pData);
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// dependent dispatch
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aVtableSlot.index += 1; //get then set method
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cpp_call(pThis, aVtableSlot, pReturnTypeRef, 1, &aParam, pReturn, pArgs,
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ppException);
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typelib_typedescriptionreference_release(pReturnTypeRef);
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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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VtableSlot aVtableSlot(getVtableSlot(
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reinterpret_cast<typelib_InterfaceMethodTypeDescription const*>(pMemberDescr)));
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switch (aVtableSlot.index)
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{
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// standard calls
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case 1: // acquire uno interface
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(*pUnoI->acquire)(pUnoI);
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*ppException = 0;
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break;
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case 2: // release uno interface
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(*pUnoI->release)(pUnoI);
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*ppException = 0;
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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, reinterpret_cast<Type*>(pArgs[0])->getTypeLibType());
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if (pTD)
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{
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uno_Interface* pInterface = 0;
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(*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
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pThis->pBridge->getUnoEnv(), (void**)&pInterface, pThis->oid.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(reinterpret_cast<uno_Any*>(pReturn), &pInterface,
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pTD, 0);
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(*pInterface->release)(pInterface);
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TYPELIB_DANGER_RELEASE(pTD);
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*ppException = 0;
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break;
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|
}
|
|
TYPELIB_DANGER_RELEASE(pTD);
|
|
}
|
|
} // else perform queryInterface()
|
|
[[fallthrough]];
|
|
default:
|
|
// dependent dispatch
|
|
cpp_call(
|
|
pThis, aVtableSlot,
|
|
((typelib_InterfaceMethodTypeDescription*)pMemberDescr)->pReturnTypeRef,
|
|
((typelib_InterfaceMethodTypeDescription*)pMemberDescr)->nParams,
|
|
((typelib_InterfaceMethodTypeDescription*)pMemberDescr)->pParams, pReturn,
|
|
pArgs, ppException);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
::com::sun::star::uno::RuntimeException aExc(
|
|
"illegal member type description!",
|
|
::com::sun::star::uno::Reference<::com::sun::star::uno::XInterface>());
|
|
|
|
Type const& rExcType = cppu::UnoType<decltype(aExc)>::get();
|
|
// binary identical null reference
|
|
::uno_type_any_construct(*ppException, &aExc, rExcType.getTypeLibType(), 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
|