    indexing
    	description: "[
    		The ASCII character set.
    		This class may be used as ancestor by classes needing its facilities.
    	]"
    	legal: "See notice at end of class."
    	status: "See notice at end of class."
    	date: "$Date: 2006-01-22 18:25:44 -0800 (Sun, 22 Jan 2006) $"
    	revision: "$Revision: 56675 $"

    class interface
    	ASCII

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

    feature -- Access

    	ack: INTEGER_32 is 6

    	ampersand: INTEGER_32 is 38

    	back_space: INTEGER_32 is 8

    	backslash: INTEGER_32 is 92

    	bar: INTEGER_32 is 124

    	bel: INTEGER_32 is 7

    	blank: INTEGER_32 is 32

    	break: INTEGER_32 is -7

    	bs: INTEGER_32 is 8

    	buf_overflow: INTEGER_32 is -9

    	can: INTEGER_32 is 24

    	carriage_return: INTEGER_32 is 13

    	case_diff: INTEGER_32 is 32
    			-- Lower_a - Upper_a

    	character_set_size: INTEGER_32 is 128

    	circumflex: INTEGER_32 is 94

    	closing_brace: INTEGER_32 is 125

    	colon: INTEGER_32 is 58

    	comma: INTEGER_32 is 44

    	commercial_at: INTEGER_32 is 64

    	cr: INTEGER_32 is 13

    	ctrl_a: INTEGER_32 is 1

    	ctrl_b: INTEGER_32 is 2

    	ctrl_backslash: INTEGER_32 is 28

    	ctrl_c: INTEGER_32 is 3

    	ctrl_circumflex: INTEGER_32 is 30

    	ctrl_d: INTEGER_32 is 4

    	ctrl_e: INTEGER_32 is 5

    	ctrl_f: INTEGER_32 is 6

    	ctrl_g: INTEGER_32 is 7

    	ctrl_h: INTEGER_32 is 8

    	ctrl_i: INTEGER_32 is 9

    	ctrl_j: INTEGER_32 is 10

    	ctrl_k: INTEGER_32 is 11

    	ctrl_l: INTEGER_32 is 12

    	ctrl_lbracket: INTEGER_32 is 27

    	ctrl_m: INTEGER_32 is 13

    	ctrl_n: INTEGER_32 is 14

    	ctrl_o: INTEGER_32 is 15

    	ctrl_p: INTEGER_32 is 16

    	ctrl_q: INTEGER_32 is 17

    	ctrl_questmark: INTEGER_32 is 127

    	ctrl_r: INTEGER_32 is 18

    	ctrl_rbracket: INTEGER_32 is 29

    	ctrl_s: INTEGER_32 is 19

    	ctrl_t: INTEGER_32 is 20

    	ctrl_u: INTEGER_32 is 21

    	ctrl_underlined: INTEGER_32 is 31

    	ctrl_v: INTEGER_32 is 22

    	ctrl_w: INTEGER_32 is 23

    	ctrl_x: INTEGER_32 is 24

    	ctrl_y: INTEGER_32 is 25

    	ctrl_z: INTEGER_32 is 26

    	dc1: INTEGER_32 is 17

    	dc2: INTEGER_32 is 18

    	dc3: INTEGER_32 is 19

    	dc4: INTEGER_32 is 20

    	del: INTEGER_32 is 127

    	dle: INTEGER_32 is 16

    	dollar: INTEGER_32 is 36

    	dot: INTEGER_32 is 46

    	doublequote: INTEGER_32 is 34

    	down_arrow: INTEGER_32 is -3

    	eight: INTEGER_32 is 56

    	em: INTEGER_32 is 25

    	enq: INTEGER_32 is 5

    	eot: INTEGER_32 is 4

    	equal_sign: INTEGER_32 is 61

    	esc: INTEGER_32 is 27

    	etb: INTEGER_32 is 23

    	etx: INTEGER_32 is 3

    	exclamation: INTEGER_32 is 33

    	first_printable: INTEGER_32 is 32

    	five: INTEGER_32 is 53

    	four: INTEGER_32 is 52

    	fs: INTEGER_32 is 28

    	generating_type: STRING_8
    			-- Name of current object's generating type
    			-- (type of which it is a direct instance)
    			-- (from ANY)

    	generator: STRING_8
    			-- Name of current object's generating class
    			-- (base class of the type of which it is a direct instance)
    			-- (from ANY)

    	grave_accent: INTEGER_32 is 96

    	greaterthan: INTEGER_32 is 62

    	gs: INTEGER_32 is 29

    	home_arrow: INTEGER_32 is -6

    	ht: INTEGER_32 is 9

    	last_ascii: INTEGER_32 is 127

    	last_printable: INTEGER_32 is 126

    	lbracket: INTEGER_32 is 91

    	lcurly: INTEGER_32 is 40

    	left_arrow: INTEGER_32 is -4

    	lessthan: INTEGER_32 is 60

    	letter_layout: INTEGER_32 is 70

    	line_feed: INTEGER_32 is 10

    	lower_a: INTEGER_32 is 97

    	lower_b: INTEGER_32 is 98

    	lower_c: INTEGER_32 is 99

    	lower_d: INTEGER_32 is 100

    	lower_e: INTEGER_32 is 101

    	lower_f: INTEGER_32 is 102

    	lower_g: INTEGER_32 is 103

    	lower_h: INTEGER_32 is 104

    	lower_i: INTEGER_32 is 105

    	lower_j: INTEGER_32 is 106

    	lower_k: INTEGER_32 is 107

    	lower_l: INTEGER_32 is 108

    	lower_m: INTEGER_32 is 109

    	lower_n: INTEGER_32 is 110

    	lower_o: INTEGER_32 is 111

    	lower_p: INTEGER_32 is 112

    	lower_q: INTEGER_32 is 113

    	lower_r: INTEGER_32 is 114

    	lower_s: INTEGER_32 is 115

    	lower_t: INTEGER_32 is 116

    	lower_u: INTEGER_32 is 117

    	lower_v: INTEGER_32 is 118

    	lower_w: INTEGER_32 is 119

    	lower_x: INTEGER_32 is 120

    	lower_y: INTEGER_32 is 121

    	lower_z: INTEGER_32 is 122

    	minus: INTEGER_32 is 45

    	nak: INTEGER_32 is 21

    	nine: INTEGER_32 is 57

    	nl: INTEGER_32 is 10

    	np: INTEGER_32 is 12

    	nul: INTEGER_32 is 0

    	number_sign: INTEGER_32 is 35

    	one: INTEGER_32 is 49

    	opening_brace: INTEGER_32 is 123

    	overflow: INTEGER_32 is -8

    	percent: INTEGER_32 is 37

    	plus: INTEGER_32 is 43

    	questmark: INTEGER_32 is 63

    	rbracket: INTEGER_32 is 93

    	rcurly: INTEGER_32 is 41

    	right_arrow: INTEGER_32 is -5

    	rs: INTEGER_32 is 30

    	semicolon: INTEGER_32 is 59

    	seven: INTEGER_32 is 55

    	si: INTEGER_32 is 15

    	singlequote: INTEGER_32 is 39

    	six: INTEGER_32 is 54

    	slash: INTEGER_32 is 47

    	so: INTEGER_32 is 14

    	soh: INTEGER_32 is 1

    	sp: INTEGER_32 is 32

    	star: INTEGER_32 is 42

    	stx: INTEGER_32 is 2

    	sub: INTEGER_32 is 26

    	syn: INTEGER_32 is 22

    	tabulation: INTEGER_32 is 9

    	three: INTEGER_32 is 51

    	tilde: INTEGER_32 is 126

    	two: INTEGER_32 is 50

    	underlined: INTEGER_32 is 95

    	up_arrow: INTEGER_32 is -2

    	upper_a: INTEGER_32 is 65

    	upper_b: INTEGER_32 is 66

    	upper_c: INTEGER_32 is 67

    	upper_d: INTEGER_32 is 68

    	upper_e: INTEGER_32 is 69

    	upper_f: INTEGER_32 is 70

    	upper_g: INTEGER_32 is 71

    	upper_h: INTEGER_32 is 72

    	upper_i: INTEGER_32 is 73

    	upper_j: INTEGER_32 is 74

    	upper_k: INTEGER_32 is 75

    	upper_l: INTEGER_32 is 76

    	upper_m: INTEGER_32 is 77

    	upper_n: INTEGER_32 is 78

    	upper_o: INTEGER_32 is 79

    	upper_p: INTEGER_32 is 80

    	upper_q: INTEGER_32 is 81

    	upper_r: INTEGER_32 is 82

    	upper_s: INTEGER_32 is 83

    	upper_t: INTEGER_32 is 84

    	upper_u: INTEGER_32 is 85

    	upper_v: INTEGER_32 is 86

    	upper_w: INTEGER_32 is 87

    	upper_x: INTEGER_32 is 88

    	upper_y: INTEGER_32 is 89

    	upper_z: INTEGER_32 is 90

    	us: INTEGER_32 is 31

    	vt: INTEGER_32 is 11

    	zero: INTEGER_32 is 48

    feature -- Comparison

    	frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void
    			-- or attached to isomorphic object structures?
    			-- (from ANY)
    		ensure -- from ANY
    			shallow_implies_deep: standard_equal (some, other) implies Result
    			both_or_none_void: (some = Void) implies (Result = (other = Void))
    			same_type: (Result and (some /= Void)) implies some.same_type (other)
    			symmetric: Result implies deep_equal (other, some)

    	frozen equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' either both void or attached
    			-- to objects considered equal?
    			-- (from ANY)
    		ensure -- from ANY
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))

    	is_equal (other: like Current): BOOLEAN
    			-- Is `other' attached to an object considered
    			-- equal to current object?
    			-- (from ANY)
    		require -- from ANY
    			other_not_void: other /= Void
    		ensure -- from ANY
    			symmetric: Result implies other.is_equal (Current)
    			consistent: standard_is_equal (other) implies Result

    	frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
    			-- Are `some' and `other' 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
    			definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))

    	frozen standard_is_equal (other: like Current): 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

    	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 -- Duplication

    	copy (other: like Current)
    			-- 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: is_equal (other)

    	frozen deep_copy (other: like Current)
    			-- 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: like Current
    			-- New object structure recursively duplicated from Current.
    			-- (from ANY)
    		ensure -- from ANY
    			deep_equal: deep_equal (Current, Result)

    	frozen standard_copy (other: like Current)
    			-- 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: like Current
    			-- 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: like Current
    			-- New object equal to `Current'
    			-- twin calls copy; to change copying/twining semantics, redefine copy.
    			-- (from ANY)
    		ensure -- from ANY
    			twin_not_void: Result /= Void
    			is_equal: Result.is_equal (Current)

    feature -- Basic operations

    	frozen default: like Current
    			-- 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)

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

    	frozen do_nothing
    			-- Execute a null action.
    			-- (from ANY)

    feature -- Output

    	io: STD_FILES
    			-- Handle to standard file setup
    			-- (from ANY)

    	out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of tagged_out.
    			-- (from ANY)

    	print (some: ANY)
    			-- Write terse external representation of `some'
    			-- on standard output.
    			-- (from ANY)

    	frozen tagged_out: STRING_8
    			-- New string containing terse printable representation
    			-- of current object
    			-- Was declared in ANY as synonym of out.
    			-- (from ANY)

    feature -- Platform

    	operating_environment: OPERATING_ENVIRONMENT
    			-- Objects available from the operating system
    			-- (from ANY)

    invariant
    		-- from ANY
    	reflexive_equality: standard_is_equal (Current)
    	reflexive_conformance: conforms_to (Current)

    indexing
    	library: "EiffelBase: Library of reusable components for Eiffel."
    	copyright: "Copyright (c) 1984-2006, Eiffel Software and others"
    	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
    	source: "[
    		Eiffel Software
    		356 Storke Road, 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 ASCII