note description: "[ Access to internal object properties. This class may be used as ancestor by classes needing its facilities. ]" library: "Free implementation of ELKS library" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2019-12-09 13:48:44 +0000 (Mon, 09 Dec 2019) $" revision: "$Revision: 103722 $" class interface INTERNAL create default_create feature -- Conformance is_instance_of (object: ANY; type_id: INTEGER_32): BOOLEAN -- Is object an instance of type type_id? require object_not_void: object /= Void type_id_nonnegative: type_id >= 0 ensure instance_free: class feature -- Creation type_of (object: detachable ANY): TYPE [detachable ANY] -- Associated TYPE instance of object. ensure instance_free: class result_not_void: Result /= Void feature -- Status report is_special (object: ANY): BOOLEAN -- Is object a special object? require object_not_void: object /= Void ensure instance_free: class is_tuple (object: ANY): BOOLEAN -- Is object a TUPLE object? require object_not_void: object /= Void ensure instance_free: class is_field_transient (i: INTEGER_32; object: ANY): BOOLEAN -- Is i-th field of object a transient attribute? -- I.e. an attribute that does not need to be stored? require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) ensure instance_free: class is_field_expanded (i: INTEGER_32; object: ANY): BOOLEAN -- Is i-th field of object a user-defined expanded attribute? require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) ensure instance_free: class feature -- Access class_name (object: ANY): STRING_8 -- Name of the class associated with object require object_not_void: object /= Void ensure instance_free: class type_name_32 (object: ANY): READABLE_STRING_32 -- Name of object's generating type -- (type of which object is a direct instance). require object_not_void: object /= Void ensure instance_free: class dynamic_type (object: separate ANY): INTEGER_32 -- Dynamic type of object require object_not_void: object /= Void ensure instance_free: class dynamic_type_nonnegative: Result >= 0 generic_count (obj: ANY): INTEGER_32 -- Number of generic parameter in obj. require obj_not_void: obj /= Void ensure instance_free: class generic_dynamic_type (obj: ANY; i: INTEGER_32): INTEGER_32 -- Dynamic type of generic parameter of object at -- position i. require obj_not_void: obj /= Void obj_generic: generic_count (obj) > 0 i_valid: i > 0 and i <= generic_count (obj) ensure instance_free: class dynamic_type_nonnegative: Result >= 0 field (i: INTEGER_32; object: ANY): detachable ANY -- Object attached to the i-th field of object -- (directly or through a reference) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) not_special: not is_special (object) ensure instance_free: class reference_field (i: INTEGER_32; object: ANY): detachable ANY -- Reference value of the i-th field of object. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) not_special: not is_special (object) valid_type: field_type (i, object) = Reference_type ensure instance_free: class field_name (i: INTEGER_32; object: ANY): STRING_8 -- Name of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) not_special: not is_special (object) ensure instance_free: class result_exists: Result /= Void field_offset (i: INTEGER_32; object: ANY): INTEGER_32 -- Offset of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) not_special: not is_special (object) ensure instance_free: class field_type (i: INTEGER_32; object: ANY): INTEGER_32 -- Abstract type of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) ensure instance_free: class field_type_nonnegative: Result >= 0 character_8_field (i: INTEGER_32; object: ANY): CHARACTER_8 -- Character value of i-th field of object -- Was declared in INTERNAL as synonym of character_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) character_8_field: field_type (i, object) = Character_8_type ensure instance_free: class character_field (i: INTEGER_32; object: ANY): CHARACTER_8 -- Character value of i-th field of object -- Was declared in INTERNAL as synonym of character_8_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) character_8_field: field_type (i, object) = Character_8_type ensure instance_free: class character_32_field (i: INTEGER_32; object: ANY): CHARACTER_32 -- Character value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) character_32_field: field_type (i, object) = Character_32_type ensure instance_free: class boolean_field (i: INTEGER_32; object: ANY): BOOLEAN -- Boolean value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) boolean_field: field_type (i, object) = Boolean_type ensure instance_free: class natural_8_field (i: INTEGER_32; object: ANY): NATURAL_8 -- NATURAL_8 value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_8_field: field_type (i, object) = Natural_8_type ensure instance_free: class natural_16_field (i: INTEGER_32; object: ANY): NATURAL_16 -- NATURAL_16 value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_16_field: field_type (i, object) = Natural_16_type ensure instance_free: class natural_32_field (i: INTEGER_32; object: ANY): NATURAL_32 -- NATURAL_32 value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_field: field_type (i, object) = Natural_32_type ensure instance_free: class natural_64_field (i: INTEGER_32; object: ANY): NATURAL_64 -- NATURAL_64 value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_64_field: field_type (i, object) = Natural_64_type ensure instance_free: class integer_8_field (i: INTEGER_32; object: ANY): INTEGER_8 -- Integer value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_8_field: field_type (i, object) = Integer_8_type ensure instance_free: class integer_16_field (i: INTEGER_32; object: ANY): INTEGER_16 -- Integer value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_16_field: field_type (i, object) = Integer_16_type ensure instance_free: class integer_field (i: INTEGER_32; object: ANY): INTEGER_32 -- Integer value of i-th field of object -- Was declared in INTERNAL as synonym of integer_32_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_32_field: field_type (i, object) = Integer_32_type ensure instance_free: class integer_32_field (i: INTEGER_32; object: ANY): INTEGER_32 -- Integer value of i-th field of object -- Was declared in INTERNAL as synonym of integer_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_32_field: field_type (i, object) = Integer_32_type ensure instance_free: class integer_64_field (i: INTEGER_32; object: ANY): INTEGER_64 -- Integer value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_64_field: field_type (i, object) = Integer_64_type ensure instance_free: class real_32_field (i: INTEGER_32; object: ANY): REAL_32 -- Real value of i-th field of object -- Was declared in INTERNAL as synonym of real_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_32_field: field_type (i, object) = Real_32_type ensure instance_free: class real_field (i: INTEGER_32; object: ANY): REAL_32 -- Real value of i-th field of object -- Was declared in INTERNAL as synonym of real_32_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_32_field: field_type (i, object) = Real_32_type ensure instance_free: class pointer_field (i: INTEGER_32; object: ANY): POINTER -- Pointer value of i-th field of object require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) pointer_field: field_type (i, object) = Pointer_type ensure instance_free: class real_64_field (i: INTEGER_32; object: ANY): REAL_64 -- Double precision value of i-th field of object -- Was declared in INTERNAL as synonym of double_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_64_field: field_type (i, object) = Real_64_type ensure instance_free: class double_field (i: INTEGER_32; object: ANY): REAL_64 -- Double precision value of i-th field of object -- Was declared in INTERNAL as synonym of real_64_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_64_field: field_type (i, object) = Real_64_type ensure instance_free: class feature -- Element change set_reference_field (i: INTEGER_32; object: ANY; value: detachable ANY) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) reference_field: field_type (i, object) = Reference_type valid_value: is_attached_type (field_static_type_of_type (i, dynamic_type (object))) implies value /= Void value_conforms_to_field_static_type: value /= Void implies field_conforms_to (dynamic_type (value), field_static_type_of_type (i, dynamic_type (object))) ensure instance_free: class set_real_64_field (i: INTEGER_32; object: ANY; value: REAL_64) -- Was declared in INTERNAL as synonym of set_double_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_64_field: field_type (i, object) = Real_64_type ensure instance_free: class set_double_field (i: INTEGER_32; object: ANY; value: REAL_64) -- Was declared in INTERNAL as synonym of set_real_64_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_64_field: field_type (i, object) = Real_64_type ensure instance_free: class set_character_8_field (i: INTEGER_32; object: ANY; value: CHARACTER_8) -- Was declared in INTERNAL as synonym of set_character_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) character_8_field: field_type (i, object) = Character_8_type ensure instance_free: class set_character_field (i: INTEGER_32; object: ANY; value: CHARACTER_8) -- Was declared in INTERNAL as synonym of set_character_8_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) character_8_field: field_type (i, object) = Character_8_type ensure instance_free: class set_character_32_field (i: INTEGER_32; object: ANY; value: CHARACTER_32) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) character_32_field: field_type (i, object) = Character_32_type ensure instance_free: class set_boolean_field (i: INTEGER_32; object: ANY; value: BOOLEAN) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) boolean_field: field_type (i, object) = Boolean_type ensure instance_free: class set_natural_8_field (i: INTEGER_32; object: ANY; value: NATURAL_8) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_8_field: field_type (i, object) = Natural_8_type ensure instance_free: class set_natural_16_field (i: INTEGER_32; object: ANY; value: NATURAL_16) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_16_field: field_type (i, object) = Natural_16_type ensure instance_free: class set_natural_32_field (i: INTEGER_32; object: ANY; value: NATURAL_32) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_32_field: field_type (i, object) = Natural_32_type ensure instance_free: class set_natural_64_field (i: INTEGER_32; object: ANY; value: NATURAL_64) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) natural_64_field: field_type (i, object) = Natural_64_type ensure instance_free: class set_integer_8_field (i: INTEGER_32; object: ANY; value: INTEGER_8) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_8_field: field_type (i, object) = Integer_8_type ensure instance_free: class set_integer_16_field (i: INTEGER_32; object: ANY; value: INTEGER_16) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_16_field: field_type (i, object) = Integer_16_type ensure instance_free: class set_integer_field (i: INTEGER_32; object: ANY; value: INTEGER_32) -- Was declared in INTERNAL as synonym of set_integer_32_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_32_field: field_type (i, object) = Integer_32_type ensure instance_free: class set_integer_32_field (i: INTEGER_32; object: ANY; value: INTEGER_32) -- Was declared in INTERNAL as synonym of set_integer_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_32_field: field_type (i, object) = Integer_32_type ensure instance_free: class set_integer_64_field (i: INTEGER_32; object: ANY; value: INTEGER_64) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) integer_64_field: field_type (i, object) = Integer_64_type ensure instance_free: class set_real_32_field (i: INTEGER_32; object: ANY; value: REAL_32) -- Was declared in INTERNAL as synonym of set_real_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_32_field: field_type (i, object) = Real_32_type ensure instance_free: class set_real_field (i: INTEGER_32; object: ANY; value: REAL_32) -- Was declared in INTERNAL as synonym of set_real_32_field. require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) real_32_field: field_type (i, object) = Real_32_type ensure instance_free: class set_pointer_field (i: INTEGER_32; object: ANY; value: POINTER) require object_not_void: object /= Void index_large_enough: i >= 1 index_small_enough: i <= field_count (object) pointer_field: field_type (i, object) = Pointer_type ensure instance_free: class feature -- Measurement field_count (object: ANY): INTEGER_32 -- Number of logical fields in object require object_not_void: object /= Void ensure instance_free: class persistent_field_count (object: ANY): INTEGER_32 -- Number of logical fields in object that are not transient. require object_not_void: object /= Void ensure instance_free: class count_positive: Result >= 0 physical_size (object: ANY): INTEGER_32 -- Space occupied by object in bytes require object_not_void: object /= Void ensure instance_free: class deep_physical_size (object: ANY): INTEGER_32 -- Space occupied by object and its children in bytes require object_not_void: object /= Void ensure instance_free: class physical_size_64 (object: separate ANY): NATURAL_64 -- Space occupied by object in bytes require object_not_void: object /= Void ensure instance_free: class deep_physical_size_64 (object: ANY): NATURAL_64 -- Space occupied by object and its children in bytes require object_not_void: object /= Void ensure instance_free: class note copyright: "Copyright (c) 1984-2019, 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 INTERNAL
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