526 lines
19 KiB
C++
526 lines
19 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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#include <malloc.h>
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#include <rtl/alloc.h>
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#include <com/sun/star/uno/genfunc.hxx>
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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 <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 <exception>
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#include <stdio.h>
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#include <string.h>
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#include <typeinfo>
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using namespace ::com::sun::star::uno;
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void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
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void * pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn,
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sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR);
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#define INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow )\
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if (nr < hppa::MAX_WORDS_IN_REGS) \
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{ \
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pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
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} \
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else \
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bOverflow = true; \
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if (bOverflow) \
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*pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
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#define INSERT_INT64( pSV, nr, pGPR, pDS, pStart, bOverflow )\
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if ( (nr < hppa::MAX_WORDS_IN_REGS) && (nr % 2) ) \
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{ \
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++nr; \
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} \
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if ( nr < hppa::MAX_WORDS_IN_REGS ) \
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{ \
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pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
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pGPR[nr++] = *(reinterpret_cast<sal_uInt32 *>( pSV ) + 1); \
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} \
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else \
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bOverflow = true; \
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if ( bOverflow ) \
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{ \
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if ( (pDS - pStart) % 2) \
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++pDS; \
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*pDS++ = reinterpret_cast<sal_uInt32 *>( pSV )[1]; \
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*pDS++ = reinterpret_cast<sal_uInt32 *>( pSV )[0]; \
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}
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#define INSERT_FLOAT( pSV, nr, pFPR, pDS, bOverflow ) \
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if (nr < hppa::MAX_WORDS_IN_REGS) \
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{ \
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sal_uInt32 *pDouble = (sal_uInt32 *)&(pFPR[nr++]); \
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pDouble[0] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
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} \
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else \
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bOverflow = true; \
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if (bOverflow) \
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*pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
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#define INSERT_DOUBLE( pSV, nr, pFPR, pDS, pStart, bOverflow ) \
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if ( (nr < hppa::MAX_WORDS_IN_REGS) && (nr % 2) ) \
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{ \
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++nr; \
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} \
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if ( nr < hppa::MAX_WORDS_IN_REGS ) \
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{ \
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sal_uInt32 *pDouble = (sal_uInt32 *)&(pFPR[nr+1]); \
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pDouble[0] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
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pDouble[1] = *(reinterpret_cast<sal_uInt32 *>( pSV ) + 1); \
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nr+=2; \
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} \
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else \
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bOverflow = true; \
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if ( bOverflow ) \
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{ \
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if ( (pDS - pStart) % 2) \
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++pDS; \
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*pDS++ = reinterpret_cast<sal_uInt32 *>( pSV )[1]; \
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*pDS++ = reinterpret_cast<sal_uInt32 *>( pSV )[0]; \
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}
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#define INSERT_INT16( pSV, nr, pGPR, pDS, bOverflow ) \
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if ( nr < hppa::MAX_WORDS_IN_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
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else \
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bOverflow = true; \
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if (bOverflow) \
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*pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
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#define INSERT_INT8( pSV, nr, pGPR, pDS, bOverflow ) \
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if ( nr < hppa::MAX_WORDS_IN_REGS ) \
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pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
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else \
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bOverflow = true; \
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if (bOverflow) \
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*pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
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namespace hppa
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{
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bool is_complex_struct(const typelib_TypeDescription * type)
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{
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const typelib_CompoundTypeDescription * p
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= reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
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for (sal_Int32 i = 0; i < p->nMembers; ++i)
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{
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if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT ||
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p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION)
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{
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typelib_TypeDescription * t = 0;
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TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]);
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bool b = is_complex_struct(t);
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TYPELIB_DANGER_RELEASE(t);
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if (b) {
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return true;
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}
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}
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else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass))
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return true;
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}
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if (p->pBaseTypeDescription != 0)
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return is_complex_struct(&p->pBaseTypeDescription->aBase);
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return false;
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}
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bool isRegisterReturn( typelib_TypeDescriptionReference *pTypeRef )
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{
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if (bridges::cpp_uno::shared::isSimpleType(pTypeRef))
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return true;
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else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
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{
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typelib_TypeDescription * pTypeDescr = 0;
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TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
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/* If the struct is larger than 8 bytes, then there is a buffer at r8 to stick the return value into */
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bool bRet = pTypeDescr->nSize <= 8 && !is_complex_struct(pTypeDescr);
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TYPELIB_DANGER_RELEASE( pTypeDescr );
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return bRet;
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}
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return false;
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}
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}
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namespace {
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static void cpp_call(
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bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
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bridges::cpp_uno::shared::VtableSlot aVtableSlot,
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typelib_TypeDescriptionReference * pReturnTypeRef,
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sal_Int32 nParams, typelib_MethodParameter * pParams,
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void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
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{
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// max space for: [complex ret ptr], values|ptr ...
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sal_uInt32 * pStack = (sal_uInt32 *)__builtin_alloca(
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sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) );
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sal_uInt32 * pStackStart = pStack;
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sal_uInt32 pGPR[hppa::MAX_GPR_REGS];
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double pFPR[hppa::MAX_SSE_REGS];
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sal_uInt32 nRegs=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 bOverflow = false;
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bool bRegisterReturn = true;
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if (pReturnTypeDescr)
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{
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bRegisterReturn = hppa::isRegisterReturn(pReturnTypeRef);
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if (bRegisterReturn)
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pCppReturn = pUnoReturn; // direct way for simple types
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else
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{
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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); // direct way
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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())
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+ aVtableSlot.offset;
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INSERT_INT32( &pAdjustedThisPtr, nRegs, pGPR, pStack, bOverflow );
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// stack space
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static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!");
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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 = (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],
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pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
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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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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "hyper is %llx\n", *((long long*)pCppArgs[nPos]));
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#endif
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INSERT_INT64( pCppArgs[nPos], nRegs, pGPR, pStack, pStackStart, bOverflow );
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break;
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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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#if OSL_DEBUG_LEVEL > 2
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fprintf(stderr, "long is %x\n", pCppArgs[nPos]);
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#endif
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INSERT_INT32( pCppArgs[nPos], nRegs, pGPR, pStack, bOverflow );
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break;
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case typelib_TypeClass_SHORT:
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case typelib_TypeClass_CHAR:
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case typelib_TypeClass_UNSIGNED_SHORT:
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INSERT_INT16( pCppArgs[nPos], nRegs, pGPR, pStack, bOverflow );
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break;
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case typelib_TypeClass_BOOLEAN:
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case typelib_TypeClass_BYTE:
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INSERT_INT8( pCppArgs[nPos], nRegs, pGPR, pStack, bOverflow );
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break;
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case typelib_TypeClass_FLOAT:
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INSERT_FLOAT( pCppArgs[nPos], nRegs, pFPR, pStack, bOverflow );
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break;
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case typelib_TypeClass_DOUBLE:
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INSERT_DOUBLE( pCppArgs[nPos], nRegs, pFPR, pStack, pStackStart, bOverflow );
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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(
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pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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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(
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pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
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pUnoArgs[nPos], pParamTypeDescr, 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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INSERT_INT32( &(pCppArgs[nPos]), nRegs, pGPR, pStack, bOverflow );
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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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callVirtualMethod(
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pAdjustedThisPtr, aVtableSlot.index,
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pCppReturn, pReturnTypeDescr, bRegisterReturn,
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pStackStart,
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(pStack - pStackStart), pGPR, pFPR);
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} catch (css::uno::Exception &) {
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throw;
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} catch (std::exception & e) {
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throw css::uno::RuntimeException(
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"C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
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+ o3tl::runtimeToOUString(e.what()));
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} catch (...) {
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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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void unoInterfaceProxyDispatch(
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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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#if OSL_DEBUG_LEVEL > 0
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typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
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#endif
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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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#if OSL_DEBUG_LEVEL > 0
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// determine vtable call index
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sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
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assert(nMemberPos < pTypeDescr->nAllMembers);
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#endif
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VtableSlot aVtableSlot(
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getVtableSlot(
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reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>
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(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(
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&pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
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// dependent dispatch
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aVtableSlot.index += 1;
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cpp_call(
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pThis, aVtableSlot, // get, then set method
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pReturnTypeRef,
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1, &aParam,
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pReturn, pArgs, 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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#if OSL_DEBUG_LEVEL > 0
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// determine vtable call index
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sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
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assert(nMemberPos < pTypeDescr->nAllMembers);
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#endif
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VtableSlot aVtableSlot(
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getVtableSlot(
|
|
reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>
|
|
(pMemberDescr)));
|
|
|
|
switch (aVtableSlot.index)
|
|
{
|
|
// standard calls
|
|
case 1: // acquire uno interface
|
|
(*pUnoI->acquire)( pUnoI );
|
|
*ppException = 0;
|
|
break;
|
|
case 2: // release uno interface
|
|
(*pUnoI->release)( pUnoI );
|
|
*ppException = 0;
|
|
break;
|
|
case 0: // queryInterface() opt
|
|
{
|
|
typelib_TypeDescription * pTD = 0;
|
|
TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
|
|
if (pTD)
|
|
{
|
|
uno_Interface * pInterface = 0;
|
|
(*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
|
|
pThis->getBridge()->getUnoEnv(),
|
|
(void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
|
|
|
|
if (pInterface)
|
|
{
|
|
::uno_any_construct(
|
|
reinterpret_cast< uno_Any * >( pReturn ),
|
|
&pInterface, pTD, 0 );
|
|
(*pInterface->release)( pInterface );
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
*ppException = 0;
|
|
break;
|
|
}
|
|
|
|
TYPELIB_DANGER_RELEASE( pTD );
|
|
}
|
|
} // else perform queryInterface()
|
|
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: */
|