initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/private/safecall.h

@@ -0,0 +1,73 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/private/safecall.h
+// Purpose:     Call a function "safely", i.e. potentially catching exceptions.
+// Author:      Vadim Zeitlin
+// Created:     2025-03-20
+// Copyright:   (c) 2025 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_PRIVATE_SAFECALL_H_
+#define _WX_PRIVATE_SAFECALL_H_
+
+#include "wx/app.h"
+
+#if wxUSE_EXCEPTIONS
+
+// Returns true if a special system option disabling catching unhandled
+// exceptions is set.
+//
+// This function is implemented in sysopt.cpp.
+extern bool WXDLLIMPEXP_BASE wxIsCatchUnhandledExceptionsDisabled();
+
+// General version calls the given function or function-like object and
+// executes the provided handler if an exception is thrown.
+//
+// Both the function and the handler must return the value of the same type R,
+// possibly void.
+template <typename R, typename T1, typename T2>
+inline R wxSafeCall(const T1& func, const T2& handler)
+{
+#if wxUSE_SYSTEM_OPTIONS
+    if ( wxIsCatchUnhandledExceptionsDisabled() )
+    {
+        return func();
+    }
+#endif // wxUSE_SYSTEM_OPTIONS
+
+    try
+    {
+        return func();
+    }
+    catch ( ... )
+    {
+        return handler();
+    }
+}
+
+// Simplified version for the common case when the function doesn't return
+// anything and we just want to call wxApp::OnUnhandledException() if it
+// throws.
+template <typename T>
+inline void wxSafeCall(const T& func)
+{
+    wxSafeCall<void>(func, wxApp::CallOnUnhandledException);
+}
+
+#else // !wxUSE_EXCEPTIONS
+
+template <typename R, typename T1, typename T2>
+inline R wxSafeCall(const T1& func, const T2& WXUNUSED(handler))
+{
+    return func();
+}
+
+template <typename T>
+inline void wxSafeCall(const T& func)
+{
+    func();
+}
+
+#endif // wxUSE_EXCEPTIONS/!wxUSE_EXCEPTIONS
+
+#endif // _WX_PRIVATE_SAFECALL_H_