1 files changed, 133 insertions, 0 deletions
diff --git a/basic/source/runtime/basrdll.cxx b/basic/source/runtime/basrdll.cxx
new file mode 100644
index 000000000..ba94fd7b9
--- /dev/null
+++ b/basic/source/runtime/basrdll.cxx
@@ -0,0 +1,133 @@
+/* -*- 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 <memory>
+#include <mutex>
+
+#include <vcl/svapp.hxx>
+#include <tools/debug.hxx>
+#include <vcl/weld.hxx>
+
+#include <basic/sbstar.hxx>
+#include <basic/basrdll.hxx>
+#include <strings.hrc>
+#include <sbxbase.hxx>
+#include <config_features.h>
+
+namespace
+{
+struct BasicDLLImpl : public SvRefBase
+{
+    bool        bDebugMode;
+    bool        bBreakEnabled;
+
+    std::unique_ptr<SbxAppData> xSbxAppData;
+
+    BasicDLLImpl()
+        : bDebugMode(false)
+        , bBreakEnabled(true)
+        , xSbxAppData(new SbxAppData)
+    { }
+
+    static BasicDLLImpl* BASIC_DLL;
+    static std::mutex& getMutex()
+    {
+        static std::mutex aMutex;
+        return aMutex;
+    }
+};
+
+BasicDLLImpl* BasicDLLImpl::BASIC_DLL = nullptr;
+}
+
+BasicDLL::BasicDLL()
+{
+    std::scoped_lock aGuard(BasicDLLImpl::getMutex());
+    if (!BasicDLLImpl::BASIC_DLL)
+        BasicDLLImpl::BASIC_DLL = new BasicDLLImpl;
+    m_xImpl = BasicDLLImpl::BASIC_DLL;
+}
+
+BasicDLL::~BasicDLL()
+{
+    std::scoped_lock aGuard(BasicDLLImpl::getMutex());
+    const bool bLastRef = m_xImpl->GetRefCount() == 1;
+    if (bLastRef) {
+        BasicDLLImpl::BASIC_DLL->xSbxAppData->m_aGlobErr.clear();
+    }
+    m_xImpl.clear();
+    // only reset BASIC_DLL after the object had been destroyed
+    if (bLastRef)
+        BasicDLLImpl::BASIC_DLL = nullptr;
+}
+
+void BasicDLL::EnableBreak( bool bEnable )
+{
+    DBG_ASSERT( BasicDLLImpl::BASIC_DLL, "BasicDLL::EnableBreak: No instance yet!" );
+    if (BasicDLLImpl::BASIC_DLL)
+    {
+        BasicDLLImpl::BASIC_DLL->bBreakEnabled = bEnable;
+    }
+}
+
+void BasicDLL::SetDebugMode( bool bDebugMode )
+{
+    DBG_ASSERT( BasicDLLImpl::BASIC_DLL, "BasicDLL::EnableBreak: No instance yet!" );
+    if (BasicDLLImpl::BASIC_DLL)
+    {
+        BasicDLLImpl::BASIC_DLL->bDebugMode = bDebugMode;
+    }
+}
+
+
+void BasicDLL::BasicBreak()
+{
+    DBG_ASSERT( BasicDLLImpl::BASIC_DLL, "BasicDLL::EnableBreak: No instance yet!" );
+#if HAVE_FEATURE_SCRIPTING
+    if (!BasicDLLImpl::BASIC_DLL)
+        return;
+
+    // bJustStopping: if there's someone pressing STOP like crazy umpteen times,
+    // but the Basic doesn't stop early enough, the box might appear more often...
+    static bool bJustStopping = false;
+    if (StarBASIC::IsRunning() && !bJustStopping
+        && (BasicDLLImpl::BASIC_DLL->bBreakEnabled || BasicDLLImpl::BASIC_DLL->bDebugMode))
+    {
+        bJustStopping = true;
+        StarBASIC::Stop();
+        std::unique_ptr<weld::MessageDialog> xInfoBox(Application::CreateMessageDialog(nullptr,
+                                                      VclMessageType::Info, VclButtonsType::Ok,
+                                                      BasResId(IDS_SBERR_TERMINATED)));
+        xInfoBox->run();
+        bJustStopping = false;
+    }
+#endif
+}
+
+SbxAppData& GetSbxData_Impl()
+{
+    return *BasicDLLImpl::BASIC_DLL->xSbxAppData;
+}
+
+bool IsSbxData_Impl()
+{
+    return BasicDLLImpl::BASIC_DLL && BasicDLLImpl::BASIC_DLL->xSbxAppData;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */