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/* do not edit automatically generated by mc from RTExceptions. */
/* RTExceptions.def runtime exception handler routines.
Copyright (C) 2008-2025 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
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
<http://www.gnu.org/licenses/>. */
#if !defined (_RTExceptions_H)
# define _RTExceptions_H
#include "config.h"
#include "system.h"
# ifdef __cplusplus
extern "C" {
# endif
#include <stdbool.h>
# if !defined (PROC_D)
# define PROC_D
typedef void (*PROC_t) (void);
typedef struct { PROC_t proc; } PROC;
# endif
# include "GSYSTEM.h"
# if defined (_RTExceptions_C)
# define EXTERN
# else
# define EXTERN extern
# endif
#if !defined (RTExceptions_EHBlock_D)
# define RTExceptions_EHBlock_D
typedef void *RTExceptions_EHBlock;
#endif
typedef struct RTExceptions_ProcedureHandler_p RTExceptions_ProcedureHandler;
typedef void (*RTExceptions_ProcedureHandler_t) (void);
struct RTExceptions_ProcedureHandler_p { RTExceptions_ProcedureHandler_t proc; };
/*
Raise - invoke the exception handler associated with, number,
in the active EHBlock. It keeps a record of the number
and message in the EHBlock for later use.
*/
EXTERN void RTExceptions_Raise (unsigned int number, void * file, unsigned int line, unsigned int column, void * function, void * message) __attribute__ ((noreturn));
/*
SetExceptionBlock - sets, source, as the active EHB.
*/
EXTERN void RTExceptions_SetExceptionBlock (RTExceptions_EHBlock source);
/*
GetExceptionBlock - returns the active EHB.
*/
EXTERN RTExceptions_EHBlock RTExceptions_GetExceptionBlock (void);
/*
GetTextBuffer - returns the address of the EHB buffer.
*/
EXTERN void * RTExceptions_GetTextBuffer (RTExceptions_EHBlock e);
/*
GetTextBufferSize - return the size of the EHB text buffer.
*/
EXTERN unsigned int RTExceptions_GetTextBufferSize (RTExceptions_EHBlock e);
/*
GetNumber - return the exception number associated with,
source.
*/
EXTERN unsigned int RTExceptions_GetNumber (RTExceptions_EHBlock source);
/*
InitExceptionBlock - creates and returns a new exception block.
*/
EXTERN RTExceptions_EHBlock RTExceptions_InitExceptionBlock (void);
/*
KillExceptionBlock - destroys the EHB, e, and all its handlers.
*/
EXTERN RTExceptions_EHBlock RTExceptions_KillExceptionBlock (RTExceptions_EHBlock e);
/*
PushHandler - install a handler in EHB, e.
*/
EXTERN void RTExceptions_PushHandler (RTExceptions_EHBlock e, unsigned int number, RTExceptions_ProcedureHandler p);
/*
PopHandler - removes the handler associated with, number, from
EHB, e.
*/
EXTERN void RTExceptions_PopHandler (RTExceptions_EHBlock e, unsigned int number);
/*
DefaultErrorCatch - displays the current error message in
the current exception block and then
calls HALT.
*/
EXTERN void RTExceptions_DefaultErrorCatch (void);
/*
BaseExceptionsThrow - configures the Modula-2 exceptions to call
THROW which in turn can be caught by an
exception block. If this is not called then
a Modula-2 exception will simply call an
error message routine and then HALT.
*/
EXTERN void RTExceptions_BaseExceptionsThrow (void);
/*
IsInExceptionState - returns TRUE if the program is currently
in the exception state.
*/
EXTERN bool RTExceptions_IsInExceptionState (void);
/*
SetExceptionState - returns the current exception state and
then sets the current exception state to,
to.
*/
EXTERN bool RTExceptions_SetExceptionState (bool to);
/*
SwitchExceptionState - assigns, from, with the current exception
state and then assigns the current exception
to, to.
*/
EXTERN void RTExceptions_SwitchExceptionState (bool *from, bool to);
/*
GetBaseExceptionBlock - returns the initial language exception block
created.
*/
EXTERN RTExceptions_EHBlock RTExceptions_GetBaseExceptionBlock (void);
/*
SetExceptionSource - sets the current exception source to, source.
*/
EXTERN void RTExceptions_SetExceptionSource (void * source);
/*
GetExceptionSource - returns the current exception source.
*/
EXTERN void * RTExceptions_GetExceptionSource (void);
# ifdef __cplusplus
}
# endif
# undef EXTERN
#endif
|
