/* ----------------------------------------------------------------------------- * exceptions.swg * * This SWIG library file provides language independent exception handling * ----------------------------------------------------------------------------- */ %include /* macros for error manipulation */ #define %nullref_fmt() "invalid null reference " #define %varfail_fmt(_type,_name) "in variable '"`_name`"' of type '"`_type`"'" #ifndef %argfail_fmt #define %argfail_fmt(_type,_name,_argn) "in method '" `_name` "', argument " `_argn`" of type '" `_type`"'" #endif #define %outfail_fmt(_type) "in output value of type '"_type"'" #ifndef %argnullref_fmt #define %argnullref_fmt(_type,_name,_argn) %nullref_fmt() %argfail_fmt(_type, _name, _argn) #endif #define %varnullref_fmt(_type,_name) %nullref_fmt() %varfail_fmt(_type, _name) #define %outnullref_fmt(_type) %nullref_fmt() %outfail_fmt(_type) /* setting an error */ #define %error(code,msg...) SWIG_Error(code, msg) #define %type_error(msg...) SWIG_Error(SWIG_TypeError, msg) %insert("runtime") { %define_as(SWIG_exception_fail(code, msg), %block(%error(code, msg); SWIG_fail)) %define_as(SWIG_contract_assert(expr, msg), if (!(expr)) { %error(SWIG_RuntimeError, msg); SWIG_fail; } else) } #ifdef __cplusplus /* You can use the SWIG_CATCH_STDEXCEPT macro with the %exception directive as follows: %exception { try { $action } catch (my_except& e) { ... } SWIG_CATCH_STDEXCEPT // catch std::exception catch (...) { SWIG_exception_fail(SWIG_UnknownError, "Unknown exception"); } } */ %{ #include %} %define SWIG_CATCH_STDEXCEPT /* catching std::exception */ catch (std::invalid_argument& e) { SWIG_exception_fail(SWIG_ValueError, e.what() ); } catch (std::domain_error& e) { SWIG_exception_fail(SWIG_ValueError, e.what() ); } catch (std::overflow_error& e) { SWIG_exception_fail(SWIG_OverflowError, e.what() ); } catch (std::out_of_range& e) { SWIG_exception_fail(SWIG_IndexError, e.what() ); } catch (std::length_error& e) { SWIG_exception_fail(SWIG_IndexError, e.what() ); } catch (std::runtime_error& e) { SWIG_exception_fail(SWIG_RuntimeError, e.what() ); } catch (std::exception& e) { SWIG_exception_fail(SWIG_SystemError, e.what() ); } %enddef %define SWIG_CATCH_UNKNOWN catch (std::exception& e) { SWIG_exception_fail(SWIG_SystemError, e.what() ); } catch (...) { SWIG_exception_fail(SWIG_UnknownError, "unknown exception"); } %enddef #endif /* __cplusplus */