Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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
new file mode 100644
index 000000000..047022f24
--- /dev/null
+++ 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: */