[Libreoffice-commits] core.git: bridges/source
Stephan Bergmann
sbergman at redhat.com
Thu Aug 7 09:46:47 PDT 2014
bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.cxx | 201 ++++++++++++++++++++++
bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.hxx | 37 ++++
2 files changed, 238 insertions(+)
New commits:
commit 26ed25538fab12c4b1e3ff2516487a29897ba122
Author: Stephan Bergmann <sbergman at redhat.com>
Date: Thu Aug 7 18:46:21 2014 +0200
New files missing from prev commit
Change-Id: I9889e97a7f9e70d8b2d82e26d9e0f971a943d007
diff --git a/bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.cxx b/bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.cxx
new file mode 100644
index 0000000..b0f300d
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.cxx
@@ -0,0 +1,201 @@
+/* -*- 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 <sal/config.h>
+
+#include <cassert>
+#include <typeinfo>
+#include <utility>
+
+#include <dlfcn.h>
+
+#include <boost/unordered_map.hpp>
+#include <osl/mutex.hxx>
+#include <rtl/instance.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/ustring.hxx>
+#include <typelib/typedescription.h>
+
+#include <rtti.hxx>
+#include <share.hxx>
+
+namespace {
+
+class RTTI
+{
+ typedef boost::unordered_map< OUString, std::type_info *, OUStringHash > t_rtti_map;
+
+ osl::Mutex m_mutex;
+ t_rtti_map m_rttis;
+ t_rtti_map m_generatedRttis;
+
+ void * m_hApp;
+
+public:
+ RTTI();
+ ~RTTI();
+
+ std::type_info * getRTTI(typelib_TypeDescription const &);
+};
+
+RTTI::RTTI()
+#if defined(FREEBSD) && __FreeBSD_version < 702104
+ : m_hApp( dlopen( 0, RTLD_NOW | RTLD_GLOBAL ) )
+#else
+ : m_hApp( dlopen( 0, RTLD_LAZY ) )
+#endif
+{
+}
+
+RTTI::~RTTI()
+{
+ dlclose( m_hApp );
+}
+
+std::type_info * RTTI::getRTTI(typelib_TypeDescription const & pTypeDescr)
+{
+ std::type_info * rtti;
+
+ OUString const & unoName = *(OUString const *)&pTypeDescr.pTypeName;
+
+ osl::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() );
+#if defined(FREEBSD) && __FreeBSD_version < 702104 /* #i22253# */
+ rtti = (std::type_info *)dlsym( RTLD_DEFAULT, symName.getStr() );
+#else
+ rtti = (std::type_info *)dlsym( m_hApp, symName.getStr() );
+#endif
+
+ if (rtti)
+ {
+ std::pair< t_rtti_map::iterator, bool > insertion (
+ m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
+ SAL_WARN_IF( !insertion.second, "bridges", "key " << unoName << " already in rtti map" );
+ }
+ else
+ {
+ // try to lookup the symbol in the generated rtti map
+ t_rtti_map::const_iterator iFind2( m_generatedRttis.find( unoName ) );
+ if (iFind2 == 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
+ switch (pTypeDescr.eTypeClass) {
+ case typelib_TypeClass_EXCEPTION:
+ {
+ typelib_CompoundTypeDescription const & ctd
+ = reinterpret_cast<
+ typelib_CompoundTypeDescription const &>(
+ pTypeDescr);
+ if (ctd.pBaseTypeDescription)
+ {
+ // ensure availability of base
+ std::type_info * base_rtti = getRTTI(
+ ctd.pBaseTypeDescription->aBase);
+ rtti = new __cxxabiv1::__si_class_type_info(
+ strdup( rttiName ), (__cxxabiv1::__class_type_info *)base_rtti );
+ }
+ else
+ {
+ // this class has no base class
+ rtti = new __cxxabiv1::__class_type_info( strdup( rttiName ) );
+ }
+ break;
+ }
+ case typelib_TypeClass_INTERFACE:
+ {
+ typelib_InterfaceTypeDescription const & itd
+ = reinterpret_cast<
+ typelib_InterfaceTypeDescription const &>(
+ pTypeDescr);
+ std::vector<std::type_info *> bases;
+ for (sal_Int32 i = 0; i != itd.nBaseTypes; ++i) {
+ bases.push_back(getRTTI(itd.ppBaseTypes[i]->aBase));
+ }
+ switch (itd.nBaseTypes) {
+ case 0:
+ rtti = new __cxxabiv1::__class_type_info(
+ strdup(rttiName));
+ break;
+ case 1:
+ rtti = new __cxxabiv1::__si_class_type_info(
+ strdup(rttiName),
+ static_cast<__cxxabiv1::__class_type_info *>(
+ bases[0]));
+ break;
+ case 2:
+ //TODO
+ break;
+ }
+ break;
+ }
+ default:
+ assert(false); // cannot happen
+ }
+ if (rtti != 0) {
+ std::pair< t_rtti_map::iterator, bool > insertion (
+ m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
+ SAL_WARN_IF( !insertion.second, "bridges", "key " << unoName << " already in generated rtti map" );
+ }
+ }
+ else // taking already generated rtti
+ {
+ rtti = iFind2->second;
+ }
+ }
+ }
+ else
+ {
+ rtti = iFind->second;
+ }
+
+ return rtti;
+}
+
+struct theRttiFactory: public rtl::Static<RTTI, theRttiFactory> {};
+
+}
+
+std::type_info * x86_64::getRtti(typelib_TypeDescription const & type) {
+ return theRttiFactory::get().getRTTI(type);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.hxx b/bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.hxx
new file mode 100644
index 0000000..e009cec
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_x86-64/rtti.hxx
@@ -0,0 +1,37 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_X86_64_RTTI_HXX
+#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_X86_64_RTTI_HXX
+
+#include <sal/config.h>
+
+#include <typeinfo>
+
+#include <typelib/typedescription.h>
+
+namespace x86_64 {
+
+std::type_info * getRtti(typelib_TypeDescription const & type);
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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