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core.exception
The
exception
module defines all system-level exceptions and provides a
mechanism to alter system-level error handling.
License:
Distributed under the
Boost Software License 1.0.
(See accompanying file LICENSE)
Authors:
Sean Kelly and Jonathan M Davis
Source: core/exception.d
- class
RangeError
: object.Error; - Thrown on a range error.
- class
AssertError
: object.Error; - Thrown on an assert error.
- class
FinalizeError
: object.Error; - Thrown on finalize error.
- class
HiddenFuncError
: object.Error; - Thrown on hidden function error. Deprecated. This feature is not longer part of the language.
- class
OutOfMemoryError
: object.Error; - Thrown on an out of memory error.
- class
InvalidMemoryOperationError
: object.Error; - Thrown on an invalid memory operation.An invalid memory operation error occurs in circumstances when the garbage collector has detected an operation it cannot reliably handle. The default D GC is not re-entrant, so this can happen due to allocations done from within finalizers called during a garbage collection cycle.
- class
SwitchError
: object.Error; - Thrown on a switch error.
- class
UnicodeException
: object.Exception; - Thrown on a unicode conversion error.
- alias
AssertHandler
= void function(string file, ulong line, string msg) nothrow;
nothrow @nogc @property @trusted AssertHandlerassertHandler
();
nothrow @nogc @property @trusted voidassertHandler
(AssertHandlerhandler
); - Gets/sets assert hander.
null
means the defaulthandler
is used. - deprecated nothrow @nogc @trusted void
setAssertHandler
(AssertHandlerh
); - Overrides the default assert hander with a user-supplied version. Deprecated. Please use assertHandler instead.Parameters:
AssertHandler h
The new assert handler. Set to null
to use the default handler. - nothrow void
onAssertError
(stringfile
= __FILE__, size_tline
= __LINE__); - A callback for assert errors in D. The user-supplied assert handler will be called if one has been supplied, otherwise an AssertError will be thrown.Parameters:
string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred. - nothrow void
onAssertErrorMsg
(stringfile
, size_tline
, stringmsg
); - A callback for assert errors in D. The user-supplied assert handler will be called if one has been supplied, otherwise an AssertError will be thrown.Parameters:
string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred.string msg
An error message supplied by the user. - nothrow void
onUnittestErrorMsg
(stringfile
, size_tline
, stringmsg
); - A callback for unittest errors in D. The user-supplied unittest handler will be called if one has been supplied, otherwise the error will be written to stderr.Parameters:
string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred.string msg
An error message supplied by the user. - pure nothrow @safe void
onRangeError
(stringfile
= __FILE__, size_tline
= __LINE__); - A callback for array bounds errors in D. A RangeError will be thrown.Parameters:
string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred.Throws: - nothrow @trusted void
onFinalizeError
(TypeInfoinfo
, Throwablee
, stringfile
= __FILE__, size_tline
= __LINE__); - A callback for finalize errors in D. A FinalizeError will be thrown.Parameters:
TypeInfo info
The TypeInfo instance for the object that failed finalization. Throwable e
The exception thrown during finalization. string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred.Throws: - deprecated pure nothrow @safe void
onHiddenFuncError
(Objecto
); - A callback for hidden function errors in D. A HiddenFuncError will be thrown. Deprecated. This feature is not longer part of the language.Throws:
- pure nothrow @nogc @trusted void
onOutOfMemoryError
(void*pretend_sideffect
= null); - A callback for out of memory errors in D. An OutOfMemoryError will be thrown.Throws:
- pure nothrow @nogc @trusted void
onInvalidMemoryOperationError
(void*pretend_sideffect
= null); - A callback for invalid memory operations in D. An InvalidMemoryOperationError will be thrown.Throws:
- pure nothrow @safe void
onSwitchError
(stringfile
= __FILE__, size_tline
= __LINE__); - A callback for switch errors in D. A SwitchError will be thrown.Parameters:
string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred.Throws: - pure @safe void
onUnicodeError
(stringmsg
, size_tidx
, stringfile
= __FILE__, size_tline
= __LINE__); - A callback for unicode errors in D. A UnicodeException will be thrown.Parameters:
string msg
Information about the error. size_t idx
String index where this error was detected. string file
The name of the file
that signaled this error.size_t line
The line
number on which this error occurred.Throws: - void
_d_assertp
(immutable(char)*file
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_assert_msg
(stringmsg
, stringfile
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_assert
(stringfile
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_unittestp
(immutable(char)*file
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_unittest_msg
(stringmsg
, stringfile
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_unittest
(stringfile
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_arrayboundsp
(immutable(char*)file
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_arraybounds
(stringfile
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
- void
_d_switch_error
(immutable(ModuleInfo)*m
, uintline
); - These functions must be defined for any D program linked against this library.Function calls to these are generated by the compiler and inserted into the object code.
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