CodeMirror: Eiffel mode

Eiffel mode

note description: "[ Project-wide universal properties. This class is an ancestor to all developer-written classes. ANY may be customized for individual projects or teams. ]" library: "Free implementation of ELKS library" status: "See notice at

end of class." legal: "See notice at end of class." date: "$Date: 2013-01-25 11:49:00 -0800 (Fri, 25 Jan 2013) $" revision: "$Revision: 712 $" class ANY feature -- Customization feature -- Access generator: STRING -- Name of current object's

generating class -- (base class of the type of which it is a direct instance) external "built_in" ensure generator_not_void: Result /= Void generator_not_empty: not Result.is_empty end generating_type: TYPE [detachable like Current] -- Type

of current object -- (type of which it is a direct instance) do Result := {detachable like Current} ensure generating_type_not_void: Result /= Void end 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)? require other_not_void: other /= Void external "built_in" end same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of `other'? require other_not_void:

other /= Void external "built_in" ensure definition: Result = (conforms_to (other) and other.conforms_to (Current)) end feature -- Comparison is_equal (other: like Current): BOOLEAN -- Is `other' attached to an object considered -- equal to

current object? require other_not_void: other /= Void external "built_in" ensure symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result end 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? require other_not_void: other /= Void external "built_in" ensure same_type: Result implies same_type (other) symmetric: Result implies

other.standard_is_equal (Current) end frozen equal (a: detachable ANY; b: like a): BOOLEAN -- Are `a' and `b' either both void or attached -- to objects considered equal? do if a = Void then Result := b = Void else Result := b /= Void and

then a.is_equal (b) end ensure definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) end frozen standard_equal (a: detachable ANY; b: like a): 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. do if a = Void then Result := b = Void else Result := b /= Void and then a.standard_is_equal (b) end ensure definition: Result

= (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) end frozen is_deep_equal (other: like Current): BOOLEAN -- Are `Current' and `other' attached to isomorphic object structures? require other_not_void:

other /= Void external "built_in" ensure shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) end frozen deep_equal (a: detachable

ANY; b: like a): BOOLEAN -- Are `a' and `b' either both void -- or attached to isomorphic object structures? do if a = Void then Result := b = Void else Result := b /= Void and then a.is_deep_equal (b) end ensure 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) end feature -- Duplication frozen

twin: like Current -- New object equal to `Current' -- `twin' calls `copy'; to change copying/twinning semantics, redefine `copy'. external "built_in" ensure twin_not_void: Result /= Void is_equal: Result ~ Current end copy (other: like Current)

-- Update current object using fields of object attached -- to `other', so as to yield equal objects. require other_not_void: other /= Void type_identity: same_type (other) external "built_in" ensure is_equal: Current ~ other end frozen standard_copy

(other: like Current) -- Copy every field of `other' onto corresponding field -- of current object. require other_not_void: other /= Void type_identity: same_type (other) external "built_in" ensure is_standard_equal: standard_is_equal (other)

end frozen clone (other: detachable ANY): like other -- Void if `other' is void; otherwise new object -- equal to `other' -- -- For non-void `other', `clone' calls `copy'; -- to change copying/cloning semantics, redefine `copy'. obsolete "Use

`twin' instead." do if other /= Void then Result := other.twin end ensure equal: Result ~ other end frozen standard_clone (other: detachable ANY): like other -- Void if `other' is void; otherwise new object -- field-by-field identical to `other'.

-- Always uses default copying semantics. obsolete "Use `standard_twin' instead." do if other /= Void then Result := other.standard_twin end ensure equal: standard_equal (Result, other) end frozen standard_twin: like Current -- New object

field-by-field identical to `other'. -- Always uses default copying semantics. external "built_in" ensure standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) end frozen deep_twin: like Current -- New object structure

recursively duplicated from Current. external "built_in" ensure deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) end frozen deep_clone (other: detachable ANY): like other -- Void if `other' is void: otherwise, new

object structure -- recursively duplicated from the one attached to `other' obsolete "Use `deep_twin' instead." do if other /= Void then Result := other.deep_twin end ensure deep_equal: deep_equal (other, Result) end frozen deep_copy (other:

like Current) -- Effect equivalent to that of: -- `copy' (`other' . `deep_twin') require other_not_void: other /= Void do copy (other.deep_twin) ensure deep_equal: deep_equal (Current, other) end feature {NONE} -- Retrieval frozen internal_correct_mismatch

-- Called from runtime to perform a proper dynamic dispatch on `correct_mismatch' -- from MISMATCH_CORRECTOR. local l_msg: STRING l_exc: EXCEPTIONS do if attached {MISMATCH_CORRECTOR} Current as l_corrector then l_corrector.correct_mismatch

else create l_msg.make_from_string ("Mismatch: ") create l_exc l_msg.append (generating_type.name) l_exc.raise_retrieval_exception (l_msg) end end feature -- Output io: STD_FILES -- Handle to standard file setup once create Result Result.set_output_default

ensure io_not_void: Result /= Void end out: STRING -- New string containing terse printable representation -- of current object do Result := tagged_out ensure out_not_void: Result /= Void end frozen tagged_out: STRING -- New string containing

terse printable representation -- of current object external "built_in" ensure tagged_out_not_void: Result /= Void end print (o: detachable ANY) -- Write terse external representation of `o' -- on standard output. do if o /= Void then io.put_string

(o.out) end end feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system once create Result ensure operating_environment_not_void: Result /= Void end feature {NONE} -- Initialization default_create

-- Process instances of classes with no creation clause. -- (Default: do nothing.) do end feature -- Basic operations default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) do end frozen do_nothing

-- Execute a null action. do end frozen default: detachable like Current -- Default value of object's type do end frozen default_pointer: POINTER -- Default value of type `POINTER' -- (Avoid the need to write `p'.`default' for -- some `p'

of type `POINTER'.) do ensure -- Result = Result.default end frozen as_attached: attached like Current -- Attached version of Current -- (Can be used during transitional period to convert -- non-void-safe classes to void-safe ones.) do Result

:= Current end invariant 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

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 note description: "[ Project-wide universal properties. This class is an ancestor to all developer-written classes. ANY may be customized for individual projects or teams. ]" library: "Free implementation of ELKS library" status: "See notice at
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            end of class." legal: "See notice at end of class." date: "$Date: 2013-01-25 11:49:00 -0800 (Fri, 25 Jan 2013) $" revision: "$Revision: 712 $" class ANY feature -- Customization feature -- Access generator: STRING -- Name of current object's
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            generating class -- (base class of the type of which it is a direct instance) external "built_in" ensure generator_not_void: Result /= Void generator_not_empty: not Result.is_empty end generating_type: TYPE [detachable like Current] -- Type
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            of current object -- (type of which it is a direct instance) do Result := {detachable like Current} ensure generating_type_not_void: Result /= Void end feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object
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            conform to type -- of `other' (as per Eiffel: The Language, chapter 13)? require other_not_void: other /= Void external "built_in" end same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of `other'? require other_not_void:
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            other /= Void external "built_in" ensure definition: Result = (conforms_to (other) and other.conforms_to (Current)) end feature -- Comparison is_equal (other: like Current): BOOLEAN -- Is `other' attached to an object considered -- equal to
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            current object? require other_not_void: other /= Void external "built_in" ensure symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result end frozen standard_is_equal (other: like Current): BOOLEAN --
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            Is `other' attached to an object of the same type -- as current object, and field-by-field identical to it? require other_not_void: other /= Void external "built_in" ensure same_type: Result implies same_type (other) symmetric: Result implies
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            other.standard_is_equal (Current) end frozen equal (a: detachable ANY; b: like a): BOOLEAN -- Are `a' and `b' either both void or attached -- to objects considered equal? do if a = Void then Result := b = Void else Result := b /= Void and
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            then a.is_equal (b) end ensure definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) end frozen standard_equal (a: detachable ANY; b: like a): BOOLEAN -- Are `a' and `b' either both void or
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            attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. do if a = Void then Result := b = Void else Result := b /= Void and then a.standard_is_equal (b) end ensure definition: Result
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            = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) end frozen is_deep_equal (other: like Current): BOOLEAN -- Are `Current' and `other' attached to isomorphic object structures? require other_not_void:
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            other /= Void external "built_in" ensure shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) end frozen deep_equal (a: detachable
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            ANY; b: like a): BOOLEAN -- Are `a' and `b' either both void -- or attached to isomorphic object structures? do if a = Void then Result := b = Void else Result := b /= Void and then a.is_deep_equal (b) end ensure shallow_implies_deep: standard_equal
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            (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) end feature -- Duplication frozen
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            twin: like Current -- New object equal to `Current' -- `twin' calls `copy'; to change copying/twinning semantics, redefine `copy'. external "built_in" ensure twin_not_void: Result /= Void is_equal: Result ~ Current end copy (other: like Current)
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            -- Update current object using fields of object attached -- to `other', so as to yield equal objects. require other_not_void: other /= Void type_identity: same_type (other) external "built_in" ensure is_equal: Current ~ other end frozen standard_copy
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            (other: like Current) -- Copy every field of `other' onto corresponding field -- of current object. require other_not_void: other /= Void type_identity: same_type (other) external "built_in" ensure is_standard_equal: standard_is_equal (other)
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            end frozen clone (other: detachable ANY): like other -- Void if `other' is void; otherwise new object -- equal to `other' -- -- For non-void `other', `clone' calls `copy'; -- to change copying/cloning semantics, redefine `copy'. obsolete "Use
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            `twin' instead." do if other /= Void then Result := other.twin end ensure equal: Result ~ other end frozen standard_clone (other: detachable ANY): like other -- Void if `other' is void; otherwise new object -- field-by-field identical to `other'.
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            -- Always uses default copying semantics. obsolete "Use `standard_twin' instead." do if other /= Void then Result := other.standard_twin end ensure equal: standard_equal (Result, other) end frozen standard_twin: like Current -- New object
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            field-by-field identical to `other'. -- Always uses default copying semantics. external "built_in" ensure standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) end frozen deep_twin: like Current -- New object structure
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            recursively duplicated from Current. external "built_in" ensure deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) end frozen deep_clone (other: detachable ANY): like other -- Void if `other' is void: otherwise, new
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            object structure -- recursively duplicated from the one attached to `other' obsolete "Use `deep_twin' instead." do if other /= Void then Result := other.deep_twin end ensure deep_equal: deep_equal (other, Result) end frozen deep_copy (other:
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            like Current) -- Effect equivalent to that of: -- `copy' (`other' . `deep_twin') require other_not_void: other /= Void do copy (other.deep_twin) ensure deep_equal: deep_equal (Current, other) end feature {NONE} -- Retrieval frozen internal_correct_mismatch
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            -- Called from runtime to perform a proper dynamic dispatch on `correct_mismatch' -- from MISMATCH_CORRECTOR. local l_msg: STRING l_exc: EXCEPTIONS do if attached {MISMATCH_CORRECTOR} Current as l_corrector then l_corrector.correct_mismatch
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            else create l_msg.make_from_string ("Mismatch: ") create l_exc l_msg.append (generating_type.name) l_exc.raise_retrieval_exception (l_msg) end end feature -- Output io: STD_FILES -- Handle to standard file setup once create Result Result.set_output_default
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            ensure io_not_void: Result /= Void end out: STRING -- New string containing terse printable representation -- of current object do Result := tagged_out ensure out_not_void: Result /= Void end frozen tagged_out: STRING -- New string containing
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            terse printable representation -- of current object external "built_in" ensure tagged_out_not_void: Result /= Void end print (o: detachable ANY) -- Write terse external representation of `o' -- on standard output. do if o /= Void then io.put_string
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            (o.out) end end feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system once create Result ensure operating_environment_not_void: Result /= Void end feature {NONE} -- Initialization default_create
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            -- Process instances of classes with no creation clause. -- (Default: do nothing.) do end feature -- Basic operations default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) do end frozen do_nothing
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            -- Execute a null action. do end frozen default: detachable like Current -- Default value of object's type do end frozen default_pointer: POINTER -- Default value of type `POINTER' -- (Avoid the need to write `p'.`default' for -- some `p'
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            of type `POINTER'.) do ensure -- Result = Result.default end frozen as_attached: attached like Current -- Attached version of Current -- (Can be used during transitional period to convert -- non-void-safe classes to void-safe ones.) do Result
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            := Current end invariant 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)"
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            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 

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Created by YNH.