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std::bad_exception

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C++
 
Utilities-Bibliothek
 
Fehlerbehandlung
Exception Handling
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Exception handling
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exception
uncaught_exception
exception_ptr(C++11)
make_exception_ptr(C++11)
current_exception(C++11)
rethrow_exception(C++11)
nested_exception(C++11)
throw_with_nested(C++11)
rethrow_if_nested(C++11)
Ausnahmebehandlung Ausfälle
Original:
Exception handling failures
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terminate
terminate_handler
get_terminate(C++11)
set_terminate
unexpected(veraltet)
bad_exception
unexpected_handler(veraltet)
get_unexpected(C++11)(veraltet)
set_unexpected(veraltet)
Exception Kategorien
Original:
Exception categories
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logic_error
invalid_argument
domain_error
length_error
out_of_range
runtime_error
range_error
overflow_error
underflow_error
Fehlercodes
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Error codes
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Fehlercodes
errno
Assertions
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Assertions
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assert
system_error Anlage
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system_error facility
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error_category(C++11)
generic_category(C++11)
system_category(C++11)
error_condition(C++11)
errc(C++11)
error_code(C++11)
system_error(C++11)
 
definiert in Header <exception>
class bad_exception;
std::bad_exception ist der Typ der Ausnahme von der C + + Runtime in den folgenden Situationen ausgelöst:
Original:
std::bad_exception is the type of the exception thrown by the C++ runtime in the following situations:
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1)
Wenn ein dynamischen Exception-Spezifikation verletzt und std::unexpected wirft oder rethrows eine Ausnahme, die noch gegen die Ausnahme-Spezifikation, sondern die Ausnahme-Spezifikation ermöglicht std::bad_exception, std::bad_exception geworfen .
Original:
If a dynamischen Exception-Spezifikation is violated and std::unexpected throws or rethrows an exception that still violates the exception specification, but the exception specification allows std::bad_exception, std::bad_exception is thrown.
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2)
Wenn std::exception_ptr eine Kopie des abgefangenen Ausnahme speichert und wenn die Kopie Konstruktor der Exception-Objekt durch current_exception gefangen eine Ausnahme auslöst, ist das erfasste Ausnahme eine Instanz std::bad_exception .
Original:
If std::exception_ptr stores a copy of the caught exception and if the copy constructor of the exception object caught by current_exception throws an exception, the captured exception is an instance of std::bad_exception.
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cpp/error/exceptionstd-bad exception-inheritance.svg
Über dieses Bild

Inheritance diagram

Inhaltsverzeichnis

[Bearbeiten] Member-Funktionen
baut die bad_exception Objekt
Original:
constructs the bad_exception object
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(öffentliche Elementfunktion)
kopiert das Objekt
Original:
copies the object
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(öffentliche Elementfunktion)
[virtuell]
liefert den erklärenden String
Original:
returns the explanatory string
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(virtuellen öffentlichen Member-Funktion)

Inherited from std::exception

Member functions

[virtuell]
Zerstört das Ausnahme-Objekt
Original:
destructs the exception object
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(virtuellen öffentlichen Member-Funktion of std::exception) [edit]
[virtuell]
gibt einen erläuternden String
Original:
returns an explanatory string
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(virtuellen öffentlichen Member-Funktion of std::exception) [edit]

[Bearbeiten] Beispiel

#include <iostream>
#include <exception>
#include <stdexcept>
 
void my_unexp() { throw; }
 
void test() throw(std::bad_exception)
{
    throw std::runtime_error("test");
}
 
int main()
{
    std::set_unexpected(my_unexp);
    try {
         test();
    } catch(const std::bad_exception& e)
    {
        std::cerr << "Caught " << e.what() << '\n';
    }
}

Output: 

Caught std::bad_exception
Von „https://de.cppreference.com/mwiki/index.php?title=cpp/error/bad_exception&oldid=26668“