| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- G N A T . C P P _ E X C E P T I O N S -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2013-2025, AdaCore -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package provides an interface for raising and handling C++ exceptions |
| |
| with System; |
| with Ada.Exceptions; use Ada.Exceptions; |
| with GNAT.CPP.Std; use GNAT.CPP.Std; |
| |
| package GNAT.CPP_Exceptions is |
| generic |
| type T is private; |
| procedure Raise_Cpp_Exception (Id : Exception_Id; Value : T); |
| -- Raise a C++ exception identified by Id. Associate Value with this |
| -- occurrence. Id must refer to an exception that has the Cpp convention. |
| |
| function Get_Object_Address |
| (X : Exception_Occurrence) return System.Address; |
| -- Extract the address of the object associated with X. The |
| -- exception of the occurrence X must have a Cpp Convention. When |
| -- the exception handler catches a base type of the raised object, |
| -- the returned address is that of the base type part of the |
| -- object, the type explicitly expected by the handler. |
| |
| generic |
| type T is private; |
| function Get_Object (X : Exception_Occurrence) return T; |
| -- Extract the object associated with X. The exception of the |
| -- occurrence X must have a Cpp Convention. When the exception |
| -- handler catches a base type of the raised object, the returned |
| -- object is (a copy of) the base type portion of the object. |
| |
| generic |
| type T is limited private; |
| function Get_Access_To_Object (X : Exception_Occurrence) |
| return access T; |
| -- Extract the object associated with X. The exception of the |
| -- occurrence X must have a Cpp Convention. When the exception |
| -- handler catches a base type of the raised object, access is |
| -- returned to the base type part of the object, the type |
| -- explicitly expected by the handler. |
| |
| generic |
| type T is abstract tagged limited private; |
| function Get_Access_To_Tagged_Object (X : Exception_Occurrence) |
| return access T'Class; |
| -- Extract the object associated with X. The exception of the |
| -- occurrence X must have a Cpp Convention. When the exception |
| -- handler catches a base type of the raised object, access is |
| -- returned to the base type part of the object, the type |
| -- explicitly expected by the handler. |
| |
| function Get_Type_Info (X : Exception_Occurrence) return Type_Info_Ptr; |
| -- Obtain the type information of the full C++ object raised as X. |
| -- When the exception is caught using a base-type match exception, |
| -- this may be a derived class from that named for the exception. |
| |
| function Get_Type_Info (Id : Exception_Id) return Type_Info_Ptr; |
| -- Obtain the type information of a C++ exception type. This will |
| -- be the std::type_info object named in the exception |
| -- declaration, even if ID is taken from an exception occurrence |
| -- containing an object of a derived type. |
| |
| end GNAT.CPP_Exceptions; |