diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_s390/except.cxx')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_s390/except.cxx | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_s390/except.cxx b/bridges/source/cpp_uno/gcc3_linux_s390/except.cxx new file mode 100644 index 000000000000..3e666a11cdd0 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_s390/except.cxx @@ -0,0 +1,287 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_bridges.hxx" + +#include <stdio.h> +#include <string.h> +#include <dlfcn.h> +#include <cxxabi.h> +#include <hash_map> + +#include <rtl/strbuf.hxx> +#include <rtl/ustrbuf.hxx> +#include <osl/diagnose.h> +#include <osl/mutex.hxx> + +#include <com/sun/star/uno/genfunc.hxx> +#include <typelib/typedescription.hxx> +#include <uno/any2.h> + +#include "share.hxx" + + +using namespace ::std; +using namespace ::osl; +using namespace ::rtl; +using namespace ::com::sun::star::uno; +using namespace ::__cxxabiv1; + + +namespace CPPU_CURRENT_NAMESPACE +{ + +void dummy_can_throw_anything( char const * ) +{ +} + +//================================================================================================== +static OUString toUNOname( char const * p ) SAL_THROW( () ) +{ +#if OSL_DEBUG_LEVEL > 1 + char const * start = p; +#endif + + // example: N3com3sun4star4lang24IllegalArgumentExceptionE + + OUStringBuffer buf( 64 ); + OSL_ASSERT( 'N' == *p ); + ++p; // skip N + + while ('E' != *p) + { + // read chars count + long n = (*p++ - '0'); + while ('0' <= *p && '9' >= *p) + { + n *= 10; + n += (*p++ - '0'); + } + buf.appendAscii( p, n ); + p += n; + if ('E' != *p) + buf.append( (sal_Unicode)'.' ); + } + +#if OSL_DEBUG_LEVEL > 1 + OUString ret( buf.makeStringAndClear() ); + OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) ); + fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() ); + return ret; +#else + return buf.makeStringAndClear(); +#endif +} + +//================================================================================================== +class RTTI +{ + typedef hash_map< OUString, type_info *, OUStringHash > t_rtti_map; + + Mutex m_mutex; + t_rtti_map m_rttis; + t_rtti_map m_generatedRttis; + + void * m_hApp; + +public: + RTTI() SAL_THROW( () ); + ~RTTI() SAL_THROW( () ); + + type_info * getRTTI( typelib_CompoundTypeDescription * ) SAL_THROW( () ); +}; +//__________________________________________________________________________________________________ +RTTI::RTTI() SAL_THROW( () ) + : m_hApp( dlopen( 0, RTLD_LAZY ) ) +{ +} +//__________________________________________________________________________________________________ +RTTI::~RTTI() SAL_THROW( () ) +{ + dlclose( m_hApp ); +} + +//__________________________________________________________________________________________________ +type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) SAL_THROW( () ) +{ + type_info * rtti; + + OUString const & unoName = *(OUString const *)&pTypeDescr->aBase.pTypeName; + + MutexGuard guard( m_mutex ); + t_rtti_map::const_iterator iRttiFind( m_rttis.find( unoName ) ); + if (iRttiFind == m_rttis.end()) + { + // RTTI symbol + OStringBuffer buf( 64 ); + buf.append( RTL_CONSTASCII_STRINGPARAM("_ZTIN") ); + sal_Int32 index = 0; + do + { + OUString token( unoName.getToken( 0, '.', index ) ); + buf.append( token.getLength() ); + OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) ); + buf.append( c_token ); + } + while (index >= 0); + buf.append( 'E' ); + + OString symName( buf.makeStringAndClear() ); + rtti = (type_info *)dlsym( m_hApp, symName.getStr() ); + + if (rtti) + { + pair< t_rtti_map::iterator, bool > insertion( + m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) ); + OSL_ENSURE( insertion.second, "### inserting new rtti failed?!" ); + } + else + { + // try to lookup the symbol in the generated rtti map + t_rtti_map::const_iterator iFind( m_generatedRttis.find( unoName ) ); + if (iFind == m_generatedRttis.end()) + { + // we must generate it ! + // symbol and rtti-name is nearly identical, + // the symbol is prefixed with _ZTI + char const * rttiName = symName.getStr() +4; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr,"generated rtti for %s\n", rttiName ); +#endif + if (pTypeDescr->pBaseTypeDescription) + { + // ensure availability of base + type_info * base_rtti = getRTTI( + (typelib_CompoundTypeDescription *)pTypeDescr->pBaseTypeDescription ); + rtti = new __si_class_type_info( + strdup( rttiName ), (__class_type_info *)base_rtti ); + } + else + { + // this class has no base class + rtti = new __class_type_info( strdup( rttiName ) ); + } + + pair< t_rtti_map::iterator, bool > insertion( + m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) ); + OSL_ENSURE( insertion.second, "### inserting new generated rtti failed?!" ); + } + else // taking already generated rtti + { + rtti = iFind->second; + } + } + } + else + { + rtti = iRttiFind->second; + } + + return rtti; +} + +//-------------------------------------------------------------------------------------------------- +static void deleteException( void * pExc ) +{ + __cxa_exception const * header = ((__cxa_exception const *)pExc - 1); + typelib_TypeDescription * pTD = 0; + OUString unoName( toUNOname( header->exceptionType->name() ) ); + ::typelib_typedescription_getByName( &pTD, unoName.pData ); + OSL_ENSURE( pTD, "### unknown exception type! leaving out destruction => leaking!!!" ); + if (pTD) + { + ::uno_destructData( pExc, pTD, cpp_release ); + ::typelib_typedescription_release( pTD ); + } +} + +//================================================================================================== +void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ) +{ + void * pCppExc; + type_info * rtti; + + { + // construct cpp exception object + typelib_TypeDescription * pTypeDescr = 0; + TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType ); + OSL_ASSERT( pTypeDescr ); + if (! pTypeDescr) + terminate(); + + pCppExc = __cxa_allocate_exception( pTypeDescr->nSize ); + ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp ); + + // destruct uno exception + ::uno_any_destruct( pUnoExc, 0 ); + // avoiding locked counts + static RTTI * s_rtti = 0; + if (! s_rtti) + { + MutexGuard guard( Mutex::getGlobalMutex() ); + if (! s_rtti) + { +#ifdef LEAK_STATIC_DATA + s_rtti = new RTTI(); +#else + static RTTI rtti_data; + s_rtti = &rtti_data; +#endif + } + } + rtti = (type_info *)s_rtti->getRTTI( (typelib_CompoundTypeDescription *) pTypeDescr ); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + OSL_ENSURE( rtti, "### no rtti for throwing exception!" ); + if (! rtti) + terminate(); + } + + __cxa_throw( pCppExc, rtti, deleteException ); +} + +//================================================================================================== +void fillUnoException( __cxa_exception * header, uno_Any * pExc, uno_Mapping * pCpp2Uno ) +{ + OSL_ENSURE( header, "### no exception header!!!" ); + if (! header) + terminate(); + + typelib_TypeDescription * pExcTypeDescr = 0; + OUString unoName( toUNOname( header->exceptionType->name() ) ); + ::typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData ); + OSL_ENSURE( pExcTypeDescr, "### can not get type description for exception!!!" ); + if (! pExcTypeDescr) + terminate(); + + // construct uno exception any + ::uno_any_constructAndConvert( pExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno ); + ::typelib_typedescription_release( pExcTypeDescr ); +} + +} +/* vi:set tabstop=4 shiftwidth=4 expandtab: */ |