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exceptions.h
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C/C++ Source or Header
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1999-06-05
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2KB
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61 lines
/*
-- This file is free software, which comes along with SmallEiffel. This
-- software 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. You can modify it as you want, provided
-- this header is kept unaltered, and a notification of the changes is added.
-- You are allowed to redistribute it and sell it, alone or as a part of
-- another product.
-- Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
-- Dominique COLNET and Suzanne COLLIN - colnet@loria.fr
-- http://www.loria.fr/SmallEiffel
--
*/
/*
This file (exception.h) is automatically included when exception handling
is used somewhere in the live code.
*/
#define SE_EXCEPTIONS 1
/*
Constants from Eiffel class EXCEPTIONS :
*/
#define Check_instruction 1
#define Class_invariant 2
#define Developer_exception 3
#define Incorrect_inspect_value 4
#define Loop_invariant 5
#define Loop_variant 6
#define No_more_memory 7
#define Postcondition 8
#define Precondition 9
#define Routine_failure 10
#define Os_signal 11
#define Void_attached_to_expanded 12
#define Void_call_target 13
/*
This will be the structure of rescue contexts. A rescue context
will be declared for every routine that has a rescue clause.
The `next' pointer is the address of the next rescue context if there
is one higher up the call chain, or NULL if there is no other
context.
*/
struct rescue_context {
JMP_BUF jb;
struct rescue_context *next;
};
extern struct rescue_context *rescue_context_top;
extern int internal_exception_number;
extern int original_internal_exception_number;
extern int signal_exception_number;
extern char *additional_error_message;
void setup_signal_handler(void);
void signal_exception_handler(int);
void internal_exception_handler(int);
void print_exception(void);