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-rw-r--r--bridges/source/cpp_uno/gcc3_linux_m68k/except.cxx297
1 files changed, 297 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_m68k/except.cxx b/bridges/source/cpp_uno/gcc3_linux_m68k/except.cxx
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index 000000000..047022f24
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+++ b/bridges/source/cpp_uno/gcc3_linux_m68k/except.cxx
@@ -0,0 +1,297 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <dlfcn.h>
+#include <cxxabi.h>
+#include <rtl/strbuf.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <sal/log.hxx>
+#include <osl/mutex.hxx>
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include "com/sun/star/uno/RuntimeException.hpp"
+#include <typelib/typedescription.hxx>
+#include <uno/any2.h>
+#include <unordered_map>
+#include "share.hxx"
+
+
+using namespace ::std;
+using namespace ::osl;
+using namespace ::com::sun::star::uno;
+using namespace ::__cxxabiv1;
+
+extern sal_Int32 * pHack;
+extern sal_Int32 nHack;
+
+namespace CPPU_CURRENT_NAMESPACE
+{
+ void dummy_can_throw_anything( char const * )
+ {
+ }
+
+ static OUString toUNOname( char const * p )
+ {
+#if OSL_DEBUG_LEVEL > 1
+ char const * start = p;
+#endif
+
+ // example: N3com3sun4star4lang24IllegalArgumentExceptionE
+
+ OUStringBuffer buf( 64 );
+ 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( '.' );
+ }
+
+#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 std::unordered_map< OUString, type_info * > t_rtti_map;
+
+ Mutex m_mutex;
+ t_rtti_map m_rttis;
+ t_rtti_map m_generatedRttis;
+
+ void * m_hApp;
+
+ public:
+ RTTI();
+ ~RTTI();
+
+ type_info * getRTTI(typelib_CompoundTypeDescription *);
+ };
+
+ RTTI::RTTI()
+ : m_hApp( dlopen( 0, RTLD_LAZY ) )
+ {
+ }
+
+ RTTI::~RTTI()
+ {
+ dlclose( m_hApp );
+ }
+
+
+ type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr )
+ {
+ 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( "_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 ) ) );
+ assert(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 ) ) );
+ assert(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 );
+ assert(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 )
+ {
+#if OSL_DEBUG_LEVEL > 1
+ OString cstr(
+ OUStringToOString(
+ OUString::unacquired( &pUnoExc->pType->pTypeName ),
+ RTL_TEXTENCODING_ASCII_US ) );
+ fprintf( stderr, "> uno exception occurred: %s\n", cstr.getStr() );
+#endif
+ void * pCppExc;
+ type_info * rtti;
+
+ {
+ // construct cpp exception object
+ typelib_TypeDescription * pTypeDescr = 0;
+ TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType );
+ assert(pTypeDescr);
+ if (! pTypeDescr)
+ {
+ throw RuntimeException(
+ OUString("cannot get typedescription for type ") +
+ OUString::unacquired( &pUnoExc->pType->pTypeName ) );
+ }
+
+ 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 rtti_data;
+ rtti = (type_info*)rtti_data.getRTTI((typelib_CompoundTypeDescription*)pTypeDescr);
+ TYPELIB_DANGER_RELEASE( pTypeDescr );
+ assert(rtti && "### no rtti for throwing exception!");
+ if (! rtti)
+ {
+ throw RuntimeException(
+ OUString("no rtti for type ") +
+ OUString::unacquired( &pUnoExc->pType->pTypeName ) );
+ }
+ }
+
+
+ __cxa_throw( pCppExc, rtti, deleteException );
+ }
+
+ static void* getAdjustedPtr(__cxa_exception* header)
+ {
+ return header->adjustedPtr;
+ }
+
+ void fillUnoException(uno_Any * pUnoExc, uno_Mapping * pCpp2Uno)
+ {
+ __cxa_exception * header = __cxa_get_globals()->caughtExceptions;
+ if (! header)
+ {
+ RuntimeException aRE( "no exception header!" );
+ Type const & rType = cppu::UnoType<decltype(aRE)>::get();
+ uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
+ SAL_WARN("bridges", aRE.Message);
+ return;
+ }
+
+ std::type_info *exceptionType = __cxa_current_exception_type();
+
+ typelib_TypeDescription * pExcTypeDescr = 0;
+ OUString unoName( toUNOname( exceptionType->name() ) );
+#if OSL_DEBUG_LEVEL > 1
+ OString cstr_unoName( OUStringToOString( unoName, RTL_TEXTENCODING_ASCII_US ) );
+ fprintf( stderr, "> c++ exception occurred: %s\n", cstr_unoName.getStr() );
+#endif
+ typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData );
+ if (0 == pExcTypeDescr)
+ {
+ RuntimeException aRE( OUString("exception type not found: ") + unoName );
+ Type const & rType = cppu::UnoType<decltype(aRE)>::get();
+ uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
+ SAL_WARN("bridges", aRE.Message);
+ }
+ else
+ {
+ // construct uno exception any
+ uno_any_constructAndConvert( pUnoExc, getAdjustedPtr(header), pExcTypeDescr, pCpp2Uno );
+ typelib_typedescription_release( pExcTypeDescr );
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 03:17:04 +0000