indexing
	description: "Constants used for exception handling.This class may be used as ancestor by classes needing its facilities."

class interface
	EXCEP_CONST

feature -- Access

	Check_instruction: INTEGER is 7
			-- Exception code for violated check

	Class_invariant: INTEGER is 6
			-- Exception code for violated class invariant

	Developer_exception: INTEGER is 24
			-- Exception code for developer exception

	External_exception: INTEGER is 18
			-- Exception code for operating system error
			-- which does not set the errno variable
			-- (Unix-specific)

	Floating_point_exception: INTEGER is 5
			-- Exception code for floating point exception

	Incorrect_inspect_value: INTEGER is 9
			-- Exception code for inspect value which is not one
			-- of the inspect constants, if there is no Else_part

	Io_exception: INTEGER is 21
			-- Exception code for I/O error

	Loop_invariant: INTEGER is 11
			-- Exception code for violated loop invariant

	Loop_variant: INTEGER is 10
			-- Exception code for non-decreased loop variant

	No_more_memory: INTEGER is 2
			-- Exception code for failed memory allocation

	Operating_system_exception: INTEGER is 22
			-- Exception code for operating system error
			-- which sets the errno variable
			-- (Unix-specific)

	Postcondition: INTEGER is 4
			-- Exception code for violated postcondition

	Precondition: INTEGER is 3
			-- Exception code for violated precondition

	Rescue_exception: INTEGER is 14
			-- Exception code for exception in rescue clause

	Retrieve_exception: INTEGER is 23
			-- Exception code for retrieval error;
			-- may be raised by retrieved in IO_MEDIUM.

	Routine_failure: INTEGER is 8
			-- Exception code for failed routine

	Signal_exception: INTEGER is 12
			-- Exception code for operating system signal

	Void_assigned_to_expanded: INTEGER is 19
			-- Exception code for assignment of void value
			-- to expanded entity

	Void_call_target: INTEGER is 1
			-- Exception code for feature applied to void reference
	
invariant

		-- from GENERAL
	reflexive_equality: standard_is_equal (Current);
	reflexive_conformance: conforms_to (Current);

end -- class EXCEP_CONST