(* M2EXCEPTION.mod implements access to the exception state. Copyright (C) 2003-2024 Free Software Foundation, Inc. Contributed by Gaius Mulley . This file is part of GNU Modula-2. GNU Modula-2 is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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 . *) IMPLEMENTATION MODULE M2EXCEPTION ; IMPORT RTExceptions ; FROM SYSTEM IMPORT ADR ; PROCEDURE M2Exception () : M2Exceptions ; (* If the current coroutine is in the exceptional execution state because of the raising of a language exception, returns the corresponding enumeration value, and otherwise raises an exception. *) BEGIN IF IsM2Exception() THEN RETURN( VAL(M2Exceptions, RTExceptions.GetNumber(RTExceptions.GetExceptionBlock())) ) ELSE RTExceptions.Raise(ORD(exException), ADR(__FILE__), __LINE__, __COLUMN__, ADR(__FUNCTION__), ADR('current coroutine is not in the exceptional execution state')) END END M2Exception ; PROCEDURE IsM2Exception () : BOOLEAN ; (* If the current coroutine is in the exceptional execution state because of the raising of a language exception, returns TRUE, and otherwise returns FALSE. *) BEGIN RETURN( RTExceptions.IsInExceptionState() AND (RTExceptions.GetBaseExceptionBlock()=RTExceptions.GetExceptionBlock()) ) END IsM2Exception ; END M2EXCEPTION.