1 files changed, 260 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_aix_powerpc/except.cxx b/bridges/source/cpp_uno/gcc3_aix_powerpc/except.cxx
new file mode 100644
index 000000000..e87590592
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_aix_powerpc/except.cxx
@@ -0,0 +1,260 @@
+/* -*- 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 <dlfcn.h>
+#include <cxxabi.h>
+
+#include <rtl/strbuf.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <osl/mutex.hxx>
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include <typelib/typedescription.hxx>
+#include <uno/any2.h>
+#include <unordered_map>
+#include "share.hxx"
+#include <string.h>
+
+
+using namespace ::std;
+using namespace ::osl;
+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 )
+{
+#ifdef DEBUG
+    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( '.' );
+    }
+
+#ifdef DEBUG
+    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 iFind( m_rttis.find( unoName ) );
+    if (iFind == 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);
+        }
+        else
+        {
+            // try to lookup the symbol in the generated rtti map
+            t_rtti_map::const_iterator iiFind( m_generatedRttis.find( unoName ) );
+            if (iiFind == 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;
+#ifdef DEBUG
+                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);
+            }
+            else // taking already generated rtti
+            {
+                rtti = iiFind->second;
+            }
+        }
+    }
+    else
+    {
+        rtti = iFind->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 )
+{
+    void * pCppExc;
+    type_info * rtti;
+
+    {
+    // construct cpp exception object
+        typelib_TypeDescription * pTypeDescr = 0;
+        TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType );
+        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 rtti_data;
+        rtti = (type_info*)rtti_data.getRTTI((typelib_CompoundTypeDescription*)pTypeDescr);
+        TYPELIB_DANGER_RELEASE( pTypeDescr );
+        if (! rtti)
+            terminate();
+    }
+
+    __cxa_throw( pCppExc, rtti, deleteException );
+}
+
+
+void fillUnoException(uno_Any * pExc, uno_Mapping * pCpp2Uno)
+{
+    __cxa_exception * header = __cxa_get_globals()->caughtExceptions;
+    if (! header)
+        terminate();
+
+    std::type_info *exceptionType = __cxa_current_exception_type();
+
+    typelib_TypeDescription * pExcTypeDescr = 0;
+    OUString unoName( toUNOname( exceptionType->name() ) );
+    ::typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData );
+    if (! pExcTypeDescr)
+        terminate();
+
+    // construct uno exception any
+    ::uno_any_constructAndConvert( pExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno );
+    ::typelib_typedescription_release( pExcTypeDescr );
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */