note
	description: "[
		References to objects containing reference to object
		meant to be exchanged with non-Eiffel software.
	]"
	assembly: "mscorlib"
	library: "Free implementation of ELKS library"
	status: "See notice at end of class."
	legal: "See notice at end of class."
	date: "$Date: 2012-05-24 04:13:10 +0000 (Thu, 24 May 2012) $"
	revision: "$Revision: 91981 $"

frozen expanded class interface
	TYPED_POINTER [G]

create 
	default_create
			-- Process instances of classes with no creation clause.
			-- (Default: do nothing.)
			-- (from ANY)

convert
	default_create: {POINTER}

feature -- Access

	generating_type: TYPE [detachable TYPED_POINTER [G]]
			-- Type of current object
			-- (type of which it is a direct instance)
			-- (from ANY)
		ensure -- from ANY
			generating_type_not_void: Result /= Void

	generator: STRING_8
			-- Name of current object's generating class
			-- (base class of the type of which it is a direct instance)
			-- (from ANY)
		ensure -- from ANY
			generator_not_void: Result /= Void
			generator_not_empty: not Result.is_empty

	hash_code: INTEGER_32
			-- Hash code value
			-- (from POINTER_REF)
		ensure -- from HASHABLE
			good_hash_value: Result >= 0

	to_pointer: POINTER
			-- Pointer value
			-- (from POINTER_REF)
	
feature -- Comparison

	frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN
			-- Are a and b either both void
			-- or attached to isomorphic object structures?
			-- (from ANY)
		ensure -- from ANY
			instance_free: class
			shallow_implies_deep: standard_equal (a, b) implies Result
			both_or_none_void: (a = Void) implies (Result = (b = Void))
			same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b))
			symmetric: Result implies deep_equal (b, a)

	frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN
			-- Are a and b either both void or attached
			-- to objects considered equal?
			-- (from ANY)
		ensure -- from ANY
			instance_free: class
			definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b))

	frozen is_deep_equal alias "≡≡≡" (other: TYPED_POINTER [G]): BOOLEAN
			-- Are Current and other attached to isomorphic object structures?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		ensure -- from ANY
			shallow_implies_deep: standard_is_equal (other) implies Result
			same_type: Result implies same_type (other)
			symmetric: Result implies other.is_deep_equal (Current)

	is_equal (other: TYPED_POINTER [G]): BOOLEAN
			-- Is other attached to an object of the same type
			-- as current object and identical to it?
			-- (from POINTER_REF)
		require -- from ANY
			other_not_void: other /= Void
		ensure -- from ANY
			symmetric: Result implies other ~ Current
			consistent: standard_is_equal (other) implies Result

	memory_compare (other: POINTER; a_size: INTEGER_32): BOOLEAN
			-- True if Current and other are identical on a_size bytes.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_size: a_size > 0
			valid_other: other /= default_pointer

	frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN
			-- Are a and b either both void or attached to
			-- field-by-field identical objects of the same type?
			-- Always uses default object comparison criterion.
			-- (from ANY)
		ensure -- from ANY
			instance_free: class
			definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b))

	frozen standard_is_equal alias "" (other: TYPED_POINTER [G]): BOOLEAN
			-- Is other attached to an object of the same type
			-- as current object, and field-by-field identical to it?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		ensure -- from ANY
			same_type: Result implies same_type (other)
			symmetric: Result implies other.standard_is_equal (Current)
	
feature -- Status report

	conforms_to (other: ANY): BOOLEAN
			-- Does type of current object conform to type
			-- of other (as per Eiffel: The Language, chapter 13)?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void

	is_default_pointer: BOOLEAN
			-- Is current default_pointer?
			-- (from POINTER_REF)
		ensure -- from POINTER_REF
			definition: Result = (to_pointer = default_pointer)

	is_hashable: BOOLEAN
			-- May current object be hashed?
			-- (True if it is not its type's default.)
			-- (from POINTER_REF)

	same_type (other: ANY): BOOLEAN
			-- Is type of current object identical to type of other?
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		ensure -- from ANY
			definition: Result = (conforms_to (other) and other.conforms_to (Current))
	
feature -- Element change

	frozen set_item (p: POINTER)
			-- Make p the item value.
			-- (from POINTER_REF)
	
feature -- Conversion

	to_integer_32: INTEGER_32
			-- Convert item into an INTEGER_32 value.
			-- (from POINTER_REF)

	to_reference: POINTER_REF
			-- Associated reference of Current
			-- (from POINTER_REF)
		ensure -- from POINTER_REF
			to_reference_not_void: Result /= Void
	
feature -- Duplication

	copy (other: TYPED_POINTER [G])
			-- Update current object using fields of object attached
			-- to other, so as to yield equal objects.
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
			type_identity: same_type (other)
		ensure -- from ANY
			is_equal: Current ~ other

	frozen deep_copy (other: TYPED_POINTER [G])
			-- Effect equivalent to that of:
			--		copy (other . deep_twin)
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
		ensure -- from ANY
			deep_equal: deep_equal (Current, other)

	frozen deep_twin: TYPED_POINTER [G]
			-- New object structure recursively duplicated from Current.
			-- (from ANY)
		ensure -- from ANY
			deep_twin_not_void: Result /= Void
			deep_equal: deep_equal (Current, Result)

	frozen standard_copy (other: TYPED_POINTER [G])
			-- Copy every field of other onto corresponding field
			-- of current object.
			-- (from ANY)
		require -- from ANY
			other_not_void: other /= Void
			type_identity: same_type (other)
		ensure -- from ANY
			is_standard_equal: standard_is_equal (other)

	frozen standard_twin: TYPED_POINTER [G]
			-- New object field-by-field identical to other.
			-- Always uses default copying semantics.
			-- (from ANY)
		ensure -- from ANY
			standard_twin_not_void: Result /= Void
			equal: standard_equal (Result, Current)

	frozen twin: TYPED_POINTER [G]
			-- New object equal to Current
			-- twin calls copy; to change copying/twinning semantics, redefine copy.
			-- (from ANY)
		ensure -- from ANY
			twin_not_void: Result /= Void
			is_equal: Result ~ Current
	
feature -- Basic operations

	frozen default: detachable TYPED_POINTER [G]
			-- Default value of object's type
			-- (from ANY)

	frozen default_pointer: POINTER
			-- Default value of type POINTER
			-- (Avoid the need to write p.default for
			-- some p of type POINTER.)
			-- (from ANY)
		ensure -- from ANY
			instance_free: class

	default_rescue
			-- Process exception for routines with no Rescue clause.
			-- (Default: do nothing.)
			-- (from ANY)

	frozen do_nothing
			-- Execute a null action.
			-- (from ANY)
		ensure -- from ANY
			instance_free: class
	
feature -- Allocation/free

	memory_alloc (a_size: INTEGER_32): POINTER
			-- Allocated size bytes using malloc.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_size: a_size > 0
		ensure -- from POINTER_REF
			instance_free: class

	memory_calloc (a_count, a_element_size: INTEGER_32): POINTER
			-- Allocate a_count elements of size a_element_size bytes using `calloc.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_element_count: a_count > 0
			valid_element_size: a_element_size > 0
		ensure -- from POINTER_REF
			instance_free: class

	memory_free
			-- Free allocated memory with malloc.
			-- (from POINTER_REF)

	memory_realloc (a_size: INTEGER_32): POINTER
			-- Realloc Current.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_size: a_size >= 0
	
feature -- Markers

	fixme (comment: READABLE_STRING_8)
			-- Mark code that has to be "fixed" with comment.
			-- (from REFACTORING_HELPER)
		require -- from REFACTORING_HELPER
			comment_not_void: comment /= Void
		ensure -- from REFACTORING_HELPER
			instance_free: class

	to_implement (comment: READABLE_STRING_8)
			-- Mark code that has to be "implemented" with comment.
			-- (from REFACTORING_HELPER)
		require -- from REFACTORING_HELPER
			comment_not_void: comment /= Void
		ensure -- from REFACTORING_HELPER
			instance_free: class

	to_implement_assertion (comment: READABLE_STRING_8): BOOLEAN
			-- Mark assertion that has to be "implemented" with comment.
			-- (from REFACTORING_HELPER)
		require -- from REFACTORING_HELPER
			comment_not_void: comment /= Void
		ensure -- from REFACTORING_HELPER
			instance_free: class
	
feature -- Memory copy

	memory_copy (a_source: POINTER; a_size: INTEGER_32)
			-- Copy a_size bytes from a_source to Current.
			-- a_source and Current should not overlap.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_size: a_size >= 0
			valid_source: a_source /= default_pointer

	memory_move (a_source: POINTER; a_size: INTEGER_32)
			-- Copy a_size bytes from a_source to Current.
			-- a_source and Current can overlap.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_size: a_size >= 0
			valid_source: a_source /= default_pointer

	memory_set (val, n: INTEGER_32)
			-- Fill first n bytes of the memory pointed by Current
			-- with constant val.
			-- (from POINTER_REF)
		require -- from POINTER_REF
			valid_val: val >= 0
			valid_n: n >= 0
	
feature -- Operations

	plus alias "+" (offset: INTEGER_32): POINTER
			-- Pointer moved by an offset of offset bytes.
			-- (from POINTER_REF)
	
feature -- Output

	Io: STD_FILES
			-- Handle to standard file setup
			-- (from ANY)
		ensure -- from ANY
			instance_free: class
			io_not_void: Result /= Void

	out: STRING_8
			-- Printable representation of pointer value
			-- (from POINTER_REF)
		ensure -- from ANY
			out_not_void: Result /= Void

	print (o: detachable ANY)
			-- Write terse external representation of o
			-- on standard output.
			-- (from ANY)
		ensure -- from ANY
			instance_free: class

	frozen tagged_out: STRING_8
			-- New string containing terse printable representation
			-- of current object
			-- (from ANY)
		ensure -- from ANY
			tagged_out_not_void: Result /= Void
	
feature -- Platform

	Operating_environment: OPERATING_ENVIRONMENT
			-- Objects available from the operating system
			-- (from ANY)
		ensure -- from ANY
			instance_free: class
			operating_environment_not_void: Result /= Void
	
invariant
		-- from ANY
	reflexive_equality: standard_is_equal (Current)
	reflexive_conformance: conforms_to (Current)

note
	copyright: "Copyright (c) 1984-2012, Eiffel Software and others"
	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
		Eiffel Software
		5949 Hollister Ave., Goleta, CA 93117 USA
		Telephone 805-685-1006, Fax 805-685-6869
		Website http://www.eiffel.com
		Customer support http://support.eiffel.com
	]"

end -- class TYPED_POINTER

Generated by ISE EiffelStudio