d7eae09318
2004/01/17 18:40:44 khendricks 1.4.52.1: Stephan, I am adding in the new ppc linux bridge code to your branch in the hopes it will get merged in when your branch tag is merged in it passes the multinherit tests in all forms I will try to fix the MacOSX stuff next.
318 lines
10 KiB
C++
318 lines
10 KiB
C++
/*************************************************************************
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*
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* $RCSfile: except.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: hr $ $Date: 2004-02-03 12:40:19 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#include <stdio.h>
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#include <dlfcn.h>
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#include <cxxabi.h>
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#include <hash_map>
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#include <rtl/strbuf.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <osl/diagnose.h>
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#include <osl/mutex.hxx>
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#include <com/sun/star/uno/genfunc.hxx>
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#include <typelib/typedescription.hxx>
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#include <uno/any2.h>
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#include "share.hxx"
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using namespace ::std;
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using namespace ::osl;
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using namespace ::rtl;
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using namespace ::com::sun::star::uno;
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using namespace ::__cxxabiv1;
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namespace CPPU_CURRENT_NAMESPACE
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{
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void dummy_can_throw_anything( char const * )
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{
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}
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//==================================================================================================
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static OUString toUNOname( char const * p ) SAL_THROW( () )
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{
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#if OSL_DEBUG_LEVEL > 1
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char const * start = p;
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#endif
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// example: N3com3sun4star4lang24IllegalArgumentExceptionE
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OUStringBuffer buf( 64 );
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OSL_ASSERT( 'N' == *p );
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++p; // skip N
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while ('E' != *p)
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{
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// read chars count
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long n = (*p++ - '0');
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while ('0' <= *p && '9' >= *p)
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{
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n *= 10;
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n += (*p++ - '0');
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}
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buf.appendAscii( p, n );
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p += n;
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if ('E' != *p)
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buf.append( (sal_Unicode)'.' );
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}
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#if OSL_DEBUG_LEVEL > 1
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OUString ret( buf.makeStringAndClear() );
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OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) );
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fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() );
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return ret;
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#else
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return buf.makeStringAndClear();
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#endif
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}
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//==================================================================================================
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class RTTI
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{
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typedef hash_map< OUString, type_info *, OUStringHash > t_rtti_map;
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Mutex m_mutex;
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t_rtti_map m_rttis;
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t_rtti_map m_generatedRttis;
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void * m_hApp;
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public:
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RTTI() SAL_THROW( () );
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~RTTI() SAL_THROW( () );
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type_info * getRTTI( typelib_CompoundTypeDescription * ) SAL_THROW( () );
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};
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//__________________________________________________________________________________________________
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RTTI::RTTI() SAL_THROW( () )
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: m_hApp( dlopen( 0, RTLD_LAZY ) )
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{
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}
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//__________________________________________________________________________________________________
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RTTI::~RTTI() SAL_THROW( () )
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{
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dlclose( m_hApp );
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}
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//__________________________________________________________________________________________________
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type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) SAL_THROW( () )
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{
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type_info * rtti;
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OUString const & unoName = *(OUString const *)&pTypeDescr->aBase.pTypeName;
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MutexGuard guard( m_mutex );
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t_rtti_map::const_iterator iFind( m_rttis.find( unoName ) );
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if (iFind == m_rttis.end())
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{
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// RTTI symbol
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OStringBuffer buf( 64 );
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buf.append( RTL_CONSTASCII_STRINGPARAM("_ZTIN") );
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sal_Int32 index = 0;
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do
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{
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OUString token( unoName.getToken( 0, '.', index ) );
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buf.append( token.getLength() );
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OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) );
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buf.append( c_token );
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}
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while (index >= 0);
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buf.append( 'E' );
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OString symName( buf.makeStringAndClear() );
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rtti = (type_info *)dlsym( m_hApp, symName.getStr() );
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if (rtti)
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{
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pair< t_rtti_map::iterator, bool > insertion(
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m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
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OSL_ENSURE( insertion.second, "### inserting new rtti failed?!" );
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}
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else
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{
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// try to lookup the symbol in the generated rtti map
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t_rtti_map::const_iterator iFind( m_generatedRttis.find( unoName ) );
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if (iFind == m_generatedRttis.end())
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{
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// we must generate it !
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// symbol and rtti-name is nearly identical,
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// the symbol is prefixed with _ZTI
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char const * rttiName = symName.getStr() +4;
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#if OSL_DEBUG_LEVEL > 1
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fprintf( stderr,"generated rtti for %s\n", rttiName );
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#endif
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if (pTypeDescr->pBaseTypeDescription)
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{
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// ensure availability of base
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type_info * base_rtti = getRTTI(
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(typelib_CompoundTypeDescription *)pTypeDescr->pBaseTypeDescription );
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rtti = new __si_class_type_info(
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strdup( rttiName ), (__class_type_info *)base_rtti );
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}
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else
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{
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// this class has no base class
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rtti = new __class_type_info( strdup( rttiName ) );
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}
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pair< t_rtti_map::iterator, bool > insertion(
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m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
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OSL_ENSURE( insertion.second, "### inserting new generated rtti failed?!" );
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}
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else // taking already generated rtti
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{
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rtti = iFind->second;
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}
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}
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}
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else
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{
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rtti = iFind->second;
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}
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return rtti;
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}
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//--------------------------------------------------------------------------------------------------
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static void deleteException( void * pExc )
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{
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__cxa_exception const * header = ((__cxa_exception const *)pExc - 1);
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typelib_TypeDescription * pTD = 0;
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OUString unoName( toUNOname( header->exceptionType->name() ) );
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::typelib_typedescription_getByName( &pTD, unoName.pData );
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OSL_ENSURE( pTD, "### unknown exception type! leaving out destruction => leaking!!!" );
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if (pTD)
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{
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::uno_destructData( pExc, pTD, cpp_release );
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::typelib_typedescription_release( pTD );
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}
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}
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//==================================================================================================
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void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp )
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{
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void * pCppExc;
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type_info * rtti;
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{
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// construct cpp exception object
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typelib_TypeDescription * pTypeDescr = 0;
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TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType );
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OSL_ASSERT( pTypeDescr );
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if (! pTypeDescr)
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terminate();
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pCppExc = __cxa_allocate_exception( pTypeDescr->nSize );
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::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp );
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// destruct uno exception
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::uno_any_destruct( pUnoExc, 0 );
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// avoiding locked counts
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static RTTI * s_rtti = 0;
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if (! s_rtti)
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{
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MutexGuard guard( Mutex::getGlobalMutex() );
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if (! s_rtti)
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{
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#ifdef LEAK_STATIC_DATA
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s_rtti = new RTTI();
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#else
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static RTTI rtti_data;
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s_rtti = &rtti_data;
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#endif
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}
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}
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rtti = (type_info *)s_rtti->getRTTI( (typelib_CompoundTypeDescription *) pTypeDescr );
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TYPELIB_DANGER_RELEASE( pTypeDescr );
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OSL_ENSURE( rtti, "### no rtti for throwing exception!" );
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if (! rtti)
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terminate();
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}
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__cxa_throw( pCppExc, rtti, deleteException );
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}
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//==================================================================================================
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void fillUnoException( __cxa_exception * header, uno_Any * pExc, uno_Mapping * pCpp2Uno )
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{
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OSL_ENSURE( header, "### no exception header!!!" );
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if (! header)
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terminate();
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typelib_TypeDescription * pExcTypeDescr = 0;
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OUString unoName( toUNOname( header->exceptionType->name() ) );
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::typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData );
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OSL_ENSURE( pExcTypeDescr, "### can not get type description for exception!!!" );
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if (! pExcTypeDescr)
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terminate();
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// construct uno exception any
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::uno_any_constructAndConvert( pExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno );
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::typelib_typedescription_release( pExcTypeDescr );
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}
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}
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