1 #ifndef _libslic3r_Exception_h_
2 #define _libslic3r_Exception_h_
3 
4 #include <stdexcept>
5 
6 namespace Slic3r {
7 
8 // PrusaSlicer's own exception hierarchy is derived from std::runtime_error.
9 // Base for Slicer's own exceptions.
10 class Exception : public std::runtime_error { using std::runtime_error::runtime_error; };
11 #define SLIC3R_DERIVE_EXCEPTION(DERIVED_EXCEPTION, PARENT_EXCEPTION) \
12     class DERIVED_EXCEPTION : public PARENT_EXCEPTION { using PARENT_EXCEPTION::PARENT_EXCEPTION; }
13 // Critical exception produced by Slicer, such exception shall never propagate up to the UI thread.
14 // If that happens, an ugly fat message box with an ugly fat exclamation mark is displayed.
15 SLIC3R_DERIVE_EXCEPTION(CriticalException,  Exception);
16 SLIC3R_DERIVE_EXCEPTION(RuntimeError,       CriticalException);
17 SLIC3R_DERIVE_EXCEPTION(LogicError,         CriticalException);
18 SLIC3R_DERIVE_EXCEPTION(InvalidArgument,    LogicError);
19 SLIC3R_DERIVE_EXCEPTION(OutOfRange,         LogicError);
20 SLIC3R_DERIVE_EXCEPTION(IOError,            CriticalException);
21 SLIC3R_DERIVE_EXCEPTION(FileIOError,        IOError);
22 SLIC3R_DERIVE_EXCEPTION(HostNetworkError,   IOError);
23 SLIC3R_DERIVE_EXCEPTION(ExportError,        CriticalException);
24 SLIC3R_DERIVE_EXCEPTION(PlaceholderParserError, RuntimeError);
25 // Runtime exception produced by Slicer. Such exception cancels the slicing process and it shall be shown in notifications.
26 SLIC3R_DERIVE_EXCEPTION(SlicingError,       Exception);
27 #undef SLIC3R_DERIVE_EXCEPTION
28 
29 } // namespace Slic3r
30 
31 #endif // _libslic3r_Exception_h_
32