12755751fSHerbert Dürr /**************************************************************
22755751fSHerbert Dürr *
32755751fSHerbert Dürr * Licensed to the Apache Software Foundation (ASF) under one
42755751fSHerbert Dürr * or more contributor license agreements. See the NOTICE file
52755751fSHerbert Dürr * distributed with this work for additional information
62755751fSHerbert Dürr * regarding copyright ownership. The ASF licenses this file
72755751fSHerbert Dürr * to you under the Apache License, Version 2.0 (the
82755751fSHerbert Dürr * "License"); you may not use this file except in compliance
92755751fSHerbert Dürr * with the License. You may obtain a copy of the License at
102755751fSHerbert Dürr *
112755751fSHerbert Dürr * http://www.apache.org/licenses/LICENSE-2.0
122755751fSHerbert Dürr *
132755751fSHerbert Dürr * Unless required by applicable law or agreed to in writing,
142755751fSHerbert Dürr * software distributed under the License is distributed on an
152755751fSHerbert Dürr * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
162755751fSHerbert Dürr * KIND, either express or implied. See the License for the
172755751fSHerbert Dürr * specific language governing permissions and limitations
182755751fSHerbert Dürr * under the License.
192755751fSHerbert Dürr *
202755751fSHerbert Dürr *************************************************************/
212755751fSHerbert Dürr
222755751fSHerbert Dürr
232755751fSHerbert Dürr
242755751fSHerbert Dürr // MARKER(update_precomp.py): autogen include statement, do not remove
252755751fSHerbert Dürr #include "precompiled_bridges.hxx"
262755751fSHerbert Dürr
272755751fSHerbert Dürr #if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6))
282755751fSHerbert Dürr #include <exception>
292755751fSHerbert Dürr #endif
302755751fSHerbert Dürr
312755751fSHerbert Dürr #include <stdio.h>
322755751fSHerbert Dürr #include <string.h>
332755751fSHerbert Dürr #include <dlfcn.h>
342755751fSHerbert Dürr #include <cxxabi.h>
352755751fSHerbert Dürr #include <hash_map>
362755751fSHerbert Dürr #include <sys/param.h>
372755751fSHerbert Dürr
382755751fSHerbert Dürr #include <rtl/strbuf.hxx>
392755751fSHerbert Dürr #include <rtl/ustrbuf.hxx>
402755751fSHerbert Dürr #include <osl/diagnose.h>
412755751fSHerbert Dürr #include <osl/mutex.hxx>
422755751fSHerbert Dürr
432755751fSHerbert Dürr #include <com/sun/star/uno/genfunc.hxx>
442755751fSHerbert Dürr #include "com/sun/star/uno/RuntimeException.hpp"
452755751fSHerbert Dürr #include <typelib/typedescription.hxx>
462755751fSHerbert Dürr #include <uno/any2.h>
472755751fSHerbert Dürr
482755751fSHerbert Dürr #include "share.hxx"
492755751fSHerbert Dürr
502755751fSHerbert Dürr
512755751fSHerbert Dürr using namespace ::std;
522755751fSHerbert Dürr using namespace ::osl;
532755751fSHerbert Dürr using namespace ::rtl;
542755751fSHerbert Dürr using namespace ::com::sun::star::uno;
552755751fSHerbert Dürr using namespace ::__cxxabiv1;
562755751fSHerbert Dürr
572755751fSHerbert Dürr
582755751fSHerbert Dürr namespace CPPU_CURRENT_NAMESPACE
592755751fSHerbert Dürr {
602755751fSHerbert Dürr
dummy_can_throw_anything(char const *)612755751fSHerbert Dürr void dummy_can_throw_anything( char const * )
622755751fSHerbert Dürr {
632755751fSHerbert Dürr }
642755751fSHerbert Dürr
652755751fSHerbert Dürr //==================================================================================================
toUNOname(char const * p)662755751fSHerbert Dürr static OUString toUNOname( char const * p ) SAL_THROW( () )
672755751fSHerbert Dürr {
682755751fSHerbert Dürr #if OSL_DEBUG_LEVEL > 1
692755751fSHerbert Dürr char const * start = p;
702755751fSHerbert Dürr #endif
712755751fSHerbert Dürr
722755751fSHerbert Dürr // example: N3com3sun4star4lang24IllegalArgumentExceptionE
732755751fSHerbert Dürr
742755751fSHerbert Dürr OUStringBuffer buf( 64 );
752755751fSHerbert Dürr OSL_ASSERT( 'N' == *p );
762755751fSHerbert Dürr ++p; // skip N
772755751fSHerbert Dürr
782755751fSHerbert Dürr while ('E' != *p)
792755751fSHerbert Dürr {
802755751fSHerbert Dürr // read chars count
812755751fSHerbert Dürr long n = (*p++ - '0');
822755751fSHerbert Dürr while ('0' <= *p && '9' >= *p)
832755751fSHerbert Dürr {
842755751fSHerbert Dürr n *= 10;
852755751fSHerbert Dürr n += (*p++ - '0');
862755751fSHerbert Dürr }
872755751fSHerbert Dürr buf.appendAscii( p, n );
882755751fSHerbert Dürr p += n;
892755751fSHerbert Dürr if ('E' != *p)
902755751fSHerbert Dürr buf.append( (sal_Unicode)'.' );
912755751fSHerbert Dürr }
922755751fSHerbert Dürr
932755751fSHerbert Dürr #if OSL_DEBUG_LEVEL > 1
942755751fSHerbert Dürr OUString ret( buf.makeStringAndClear() );
952755751fSHerbert Dürr OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) );
962755751fSHerbert Dürr fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() );
972755751fSHerbert Dürr return ret;
982755751fSHerbert Dürr #else
992755751fSHerbert Dürr return buf.makeStringAndClear();
1002755751fSHerbert Dürr #endif
1012755751fSHerbert Dürr }
1022755751fSHerbert Dürr
1032755751fSHerbert Dürr //==================================================================================================
1042755751fSHerbert Dürr class RTTI
1052755751fSHerbert Dürr {
1062755751fSHerbert Dürr typedef hash_map< OUString, type_info *, OUStringHash > t_rtti_map;
1072755751fSHerbert Dürr
1082755751fSHerbert Dürr Mutex m_mutex;
1092755751fSHerbert Dürr t_rtti_map m_rttis;
1102755751fSHerbert Dürr t_rtti_map m_generatedRttis;
1112755751fSHerbert Dürr
1122755751fSHerbert Dürr void * m_hApp;
1132755751fSHerbert Dürr
1142755751fSHerbert Dürr public:
1152755751fSHerbert Dürr RTTI() SAL_THROW( () );
1162755751fSHerbert Dürr ~RTTI() SAL_THROW( () );
1172755751fSHerbert Dürr
1182755751fSHerbert Dürr type_info * getRTTI( typelib_CompoundTypeDescription * ) SAL_THROW( () );
1192755751fSHerbert Dürr };
1202755751fSHerbert Dürr
1212755751fSHerbert Dürr //__________________________________________________________________________________________________
RTTI()1222755751fSHerbert Dürr RTTI::RTTI() SAL_THROW( () )
1232755751fSHerbert Dürr : m_hApp( dlopen( 0, RTLD_LAZY ) )
1242755751fSHerbert Dürr {
1252755751fSHerbert Dürr }
1262755751fSHerbert Dürr
1272755751fSHerbert Dürr //__________________________________________________________________________________________________
~RTTI()1282755751fSHerbert Dürr RTTI::~RTTI() SAL_THROW( () )
1292755751fSHerbert Dürr {
1302755751fSHerbert Dürr dlclose( m_hApp );
1312755751fSHerbert Dürr }
1322755751fSHerbert Dürr
1332755751fSHerbert Dürr //__________________________________________________________________________________________________
getRTTI(typelib_CompoundTypeDescription * pTypeDescr)1342755751fSHerbert Dürr type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) SAL_THROW( () )
1352755751fSHerbert Dürr {
1362755751fSHerbert Dürr type_info * rtti;
1372755751fSHerbert Dürr
1382755751fSHerbert Dürr OUString const & unoName = *(OUString const *)&pTypeDescr->aBase.pTypeName;
1392755751fSHerbert Dürr
1402755751fSHerbert Dürr MutexGuard guard( m_mutex );
1412755751fSHerbert Dürr t_rtti_map::const_iterator iFind( m_rttis.find( unoName ) );
1422755751fSHerbert Dürr if (iFind == m_rttis.end())
1432755751fSHerbert Dürr {
144d73dd1d3SJim Jagielski // RTTI symbol
1452755751fSHerbert Dürr OStringBuffer buf( 64 );
1462755751fSHerbert Dürr buf.append( RTL_CONSTASCII_STRINGPARAM("_ZTIN") );
1472755751fSHerbert Dürr sal_Int32 index = 0;
1482755751fSHerbert Dürr do
1492755751fSHerbert Dürr {
1502755751fSHerbert Dürr OUString token( unoName.getToken( 0, '.', index ) );
1512755751fSHerbert Dürr buf.append( token.getLength() );
1522755751fSHerbert Dürr OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) );
1532755751fSHerbert Dürr buf.append( c_token );
1542755751fSHerbert Dürr }
1552755751fSHerbert Dürr while (index >= 0);
1562755751fSHerbert Dürr buf.append( 'E' );
1572755751fSHerbert Dürr
1582755751fSHerbert Dürr OString symName( buf.makeStringAndClear() );
15992af7284SJim Jagielski rtti = static_cast<std::type_info *>(dlsym( m_hApp, symName.getStr() ));
1602755751fSHerbert Dürr
1612755751fSHerbert Dürr if (rtti)
1622755751fSHerbert Dürr {
1632755751fSHerbert Dürr pair< t_rtti_map::iterator, bool > insertion(
1642755751fSHerbert Dürr m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
1652755751fSHerbert Dürr OSL_ENSURE( insertion.second, "### inserting new rtti failed?!" );
1662755751fSHerbert Dürr }
1672755751fSHerbert Dürr else
1682755751fSHerbert Dürr {
1692755751fSHerbert Dürr // try to lookup the symbol in the generated rtti map
1702755751fSHerbert Dürr t_rtti_map::const_iterator iFind2( m_generatedRttis.find( unoName ) );
1712755751fSHerbert Dürr if (iFind2 == m_generatedRttis.end())
1722755751fSHerbert Dürr {
1732755751fSHerbert Dürr // we must generate it !
1742755751fSHerbert Dürr // symbol and rtti-name is nearly identical,
1752755751fSHerbert Dürr // the symbol is prefixed with _ZTI
1762755751fSHerbert Dürr char const * rttiName = symName.getStr() +4;
177d73dd1d3SJim Jagielski #if OSL_DEBUG_LEVEL > 1
1782755751fSHerbert Dürr fprintf( stderr,"generated rtti for %s\n", rttiName );
17953858dc4SHerbert Dürr const OString aCUnoName = OUStringToOString( unoName, RTL_TEXTENCODING_UTF8);
18003c0a2dfSHerbert Dürr OSL_TRACE( "TypeInfo for \"%s\" not found and cannot be generated.\n", aCUnoName.getStr());
1812755751fSHerbert Dürr #endif
182*db691b76SJim Jagielski #ifndef AOO_BYPASS_RTTI
1832755751fSHerbert Dürr if (pTypeDescr->pBaseTypeDescription)
1842755751fSHerbert Dürr {
1852755751fSHerbert Dürr // ensure availability of base
1862755751fSHerbert Dürr type_info * base_rtti = getRTTI(
1872755751fSHerbert Dürr (typelib_CompoundTypeDescription *)pTypeDescr->pBaseTypeDescription );
1882755751fSHerbert Dürr rtti = new __si_class_type_info(
1892755751fSHerbert Dürr strdup( rttiName ), (__class_type_info *)base_rtti );
1902755751fSHerbert Dürr }
1912755751fSHerbert Dürr else
1922755751fSHerbert Dürr {
1932755751fSHerbert Dürr // this class has no base class
1942755751fSHerbert Dürr rtti = new __class_type_info( strdup( rttiName ) );
1952755751fSHerbert Dürr }
196*db691b76SJim Jagielski #else
197*db691b76SJim Jagielski rtti = NULL;
198*db691b76SJim Jagielski #endif
199dfec5905SJim Jagielski bool bOK = m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti )).second;
200dfec5905SJim Jagielski OSL_ENSURE( bOK, "### inserting new generated rtti failed?!" );
2012755751fSHerbert Dürr }
2022755751fSHerbert Dürr else // taking already generated rtti
2032755751fSHerbert Dürr {
2042755751fSHerbert Dürr rtti = iFind2->second;
2052755751fSHerbert Dürr }
2062755751fSHerbert Dürr }
2072755751fSHerbert Dürr }
2082755751fSHerbert Dürr else
2092755751fSHerbert Dürr {
2102755751fSHerbert Dürr rtti = iFind->second;
2112755751fSHerbert Dürr }
2122755751fSHerbert Dürr
2132755751fSHerbert Dürr return rtti;
2142755751fSHerbert Dürr }
2152755751fSHerbert Dürr
2162755751fSHerbert Dürr //--------------------------------------------------------------------------------------------------
deleteException(void * pExc)2172755751fSHerbert Dürr static void deleteException( void * pExc )
2182755751fSHerbert Dürr {
2193e6ea66aSJim Jagielski __cxa_exception const * header = static_cast<__cxa_exception const *>(pExc) - 1;
220*db691b76SJim Jagielski /* More __cxa_exception mumbo-jumbo. See share.hxx and fillUnoException() below */
221*db691b76SJim Jagielski if (header->exceptionDestructor != &deleteException)
222*db691b76SJim Jagielski {
223*db691b76SJim Jagielski header = reinterpret_cast<__cxa_exception const *>(reinterpret_cast<char const *>(header) - 8);
224*db691b76SJim Jagielski }
225*db691b76SJim Jagielski if( !header->exceptionType)
226*db691b76SJim Jagielski {
227*db691b76SJim Jagielski return; // NOTE: leak for now
228*db691b76SJim Jagielski }
2292755751fSHerbert Dürr typelib_TypeDescription * pTD = 0;
2302755751fSHerbert Dürr OUString unoName( toUNOname( header->exceptionType->name() ) );
2312755751fSHerbert Dürr ::typelib_typedescription_getByName( &pTD, unoName.pData );
2322755751fSHerbert Dürr OSL_ENSURE( pTD, "### unknown exception type! leaving out destruction => leaking!!!" );
2332755751fSHerbert Dürr if (pTD)
2342755751fSHerbert Dürr {
2352755751fSHerbert Dürr ::uno_destructData( pExc, pTD, cpp_release );
2362755751fSHerbert Dürr ::typelib_typedescription_release( pTD );
2372755751fSHerbert Dürr }
2382755751fSHerbert Dürr }
2392755751fSHerbert Dürr
2402755751fSHerbert Dürr //==================================================================================================
raiseException(uno_Any * pUnoExc,uno_Mapping * pUno2Cpp)2412755751fSHerbert Dürr void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp )
2422755751fSHerbert Dürr {
2432755751fSHerbert Dürr #if OSL_DEBUG_LEVEL > 1
2442755751fSHerbert Dürr OString cstr(
2452755751fSHerbert Dürr OUStringToOString(
2462755751fSHerbert Dürr *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
2472755751fSHerbert Dürr RTL_TEXTENCODING_ASCII_US ) );
24807a3d7f1SPedro Giffuni fprintf( stderr, "> uno exception occurred: %s\n", cstr.getStr() );
2492755751fSHerbert Dürr #endif
2502755751fSHerbert Dürr void * pCppExc;
2512755751fSHerbert Dürr type_info * rtti;
2522755751fSHerbert Dürr
2532755751fSHerbert Dürr {
2542755751fSHerbert Dürr // construct cpp exception object
2552755751fSHerbert Dürr typelib_TypeDescription * pTypeDescr = 0;
2562755751fSHerbert Dürr TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType );
2572755751fSHerbert Dürr OSL_ASSERT( pTypeDescr );
2582755751fSHerbert Dürr if (! pTypeDescr)
2592755751fSHerbert Dürr {
2602755751fSHerbert Dürr throw RuntimeException(
2612755751fSHerbert Dürr OUString( RTL_CONSTASCII_USTRINGPARAM("cannot get typedescription for type ") ) +
2622755751fSHerbert Dürr *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
2632755751fSHerbert Dürr Reference< XInterface >() );
2642755751fSHerbert Dürr }
2652755751fSHerbert Dürr
2662755751fSHerbert Dürr pCppExc = __cxa_allocate_exception( pTypeDescr->nSize );
2672755751fSHerbert Dürr ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp );
2682755751fSHerbert Dürr
2692755751fSHerbert Dürr // destruct uno exception
2702755751fSHerbert Dürr ::uno_any_destruct( pUnoExc, 0 );
2712755751fSHerbert Dürr // avoiding locked counts
2722755751fSHerbert Dürr static RTTI * s_rtti = 0;
2732755751fSHerbert Dürr if (! s_rtti)
2742755751fSHerbert Dürr {
2752755751fSHerbert Dürr MutexGuard guard( Mutex::getGlobalMutex() );
2762755751fSHerbert Dürr if (! s_rtti)
2772755751fSHerbert Dürr {
2782755751fSHerbert Dürr #ifdef LEAK_STATIC_DATA
2792755751fSHerbert Dürr s_rtti = new RTTI();
2802755751fSHerbert Dürr #else
2812755751fSHerbert Dürr static RTTI rtti_data;
2822755751fSHerbert Dürr s_rtti = &rtti_data;
2832755751fSHerbert Dürr #endif
2842755751fSHerbert Dürr }
2852755751fSHerbert Dürr }
2862755751fSHerbert Dürr rtti = (type_info *)s_rtti->getRTTI( (typelib_CompoundTypeDescription *) pTypeDescr );
2872755751fSHerbert Dürr TYPELIB_DANGER_RELEASE( pTypeDescr );
2882755751fSHerbert Dürr OSL_ENSURE( rtti, "### no rtti for throwing exception!" );
2892755751fSHerbert Dürr if (! rtti)
2902755751fSHerbert Dürr {
2912755751fSHerbert Dürr throw RuntimeException(
2922755751fSHerbert Dürr OUString( RTL_CONSTASCII_USTRINGPARAM("no rtti for type ") ) +
2932755751fSHerbert Dürr *reinterpret_cast< OUString const * >( &pUnoExc->pType->pTypeName ),
2942755751fSHerbert Dürr Reference< XInterface >() );
2952755751fSHerbert Dürr }
2962755751fSHerbert Dürr }
2972755751fSHerbert Dürr
2982755751fSHerbert Dürr __cxa_throw( pCppExc, rtti, deleteException );
2992755751fSHerbert Dürr }
3002755751fSHerbert Dürr
3012755751fSHerbert Dürr //==================================================================================================
fillUnoException(__cxa_exception * header,uno_Any * pUnoExc,uno_Mapping * pCpp2Uno)3022755751fSHerbert Dürr void fillUnoException( __cxa_exception * header, uno_Any * pUnoExc, uno_Mapping * pCpp2Uno )
3032755751fSHerbert Dürr {
3042755751fSHerbert Dürr if (! header)
3052755751fSHerbert Dürr {
3062755751fSHerbert Dürr RuntimeException aRE(
3072755751fSHerbert Dürr OUString( RTL_CONSTASCII_USTRINGPARAM("no exception header!") ),
3082755751fSHerbert Dürr Reference< XInterface >() );
3092755751fSHerbert Dürr Type const & rType = ::getCppuType( &aRE );
3102755751fSHerbert Dürr uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
3112755751fSHerbert Dürr #if OSL_DEBUG_LEVEL > 0
3122755751fSHerbert Dürr OString cstr( OUStringToOString( aRE.Message, RTL_TEXTENCODING_ASCII_US ) );
3132755751fSHerbert Dürr OSL_ENSURE( 0, cstr.getStr() );
3142755751fSHerbert Dürr #endif
3152755751fSHerbert Dürr return;
3162755751fSHerbert Dürr }
3172755751fSHerbert Dürr
31830f71a2fSJim Jagielski /*
31930f71a2fSJim Jagielski * Handle the case where we are built on llvm 10 (or later) but are running
32030f71a2fSJim Jagielski * on an earlier version (eg, community builds). In this situation the
32130f71a2fSJim Jagielski * reserved ptr doesn't exist in the struct returned and so the offsets
32230f71a2fSJim Jagielski * that header uses are wrong. This assumes that reserved isn't used
323*db691b76SJim Jagielski * and that referenceCount is always >0 in the cases we handle.
324*db691b76SJim Jagielski * See share.hxx for the definition of __cxa_exception
32530f71a2fSJim Jagielski */
326*db691b76SJim Jagielski if (*reinterpret_cast<void **>(header) == 0)
32730f71a2fSJim Jagielski {
328*db691b76SJim Jagielski header = reinterpret_cast<__cxa_exception *>(reinterpret_cast<char *>(header) + 8);
32930f71a2fSJim Jagielski }
33030f71a2fSJim Jagielski
3312755751fSHerbert Dürr typelib_TypeDescription * pExcTypeDescr = 0;
3322755751fSHerbert Dürr OUString unoName( toUNOname( header->exceptionType->name() ) );
3332755751fSHerbert Dürr #if OSL_DEBUG_LEVEL > 1
3342755751fSHerbert Dürr OString cstr_unoName( OUStringToOString( unoName, RTL_TEXTENCODING_ASCII_US ) );
33507a3d7f1SPedro Giffuni fprintf( stderr, "> c++ exception occurred: %s\n", cstr_unoName.getStr() );
3362755751fSHerbert Dürr #endif
3372755751fSHerbert Dürr typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData );
3382755751fSHerbert Dürr if (0 == pExcTypeDescr)
3392755751fSHerbert Dürr {
3402755751fSHerbert Dürr RuntimeException aRE(
3412755751fSHerbert Dürr OUString( RTL_CONSTASCII_USTRINGPARAM("exception type not found: ") ) + unoName,
3422755751fSHerbert Dürr Reference< XInterface >() );
3432755751fSHerbert Dürr Type const & rType = ::getCppuType( &aRE );
3442755751fSHerbert Dürr uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
3452755751fSHerbert Dürr #if OSL_DEBUG_LEVEL > 0
3462755751fSHerbert Dürr OString cstr( OUStringToOString( aRE.Message, RTL_TEXTENCODING_ASCII_US ) );
3472755751fSHerbert Dürr OSL_ENSURE( 0, cstr.getStr() );
3482755751fSHerbert Dürr #endif
3492755751fSHerbert Dürr }
3502755751fSHerbert Dürr else
3512755751fSHerbert Dürr {
3522755751fSHerbert Dürr // construct uno exception any
3532755751fSHerbert Dürr uno_any_constructAndConvert( pUnoExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno );
3542755751fSHerbert Dürr typelib_typedescription_release( pExcTypeDescr );
3552755751fSHerbert Dürr }
3562755751fSHerbert Dürr }
3572755751fSHerbert Dürr
3582755751fSHerbert Dürr }
3592755751fSHerbert Dürr
360