------------------------------------------------------------------------------ -- -- -- 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 -- -- . -- -- -- -- 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;