note
	description: "[
		Decoding of arbitrary objects graphs between sessions of programs
		containing the same types or potentially different types (which can
		be mapped to the new type system via a correction mechanism,). It
		also basically takes care of potential reordering of attributes
		from one system to the other.
	]"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date: 2020-05-19 14:29:33 +0000 (Tue, 19 May 2020) $"
	revision: "$Revision: 104259 $"

class 
	SED_RECOVERABLE_DESERIALIZER

inherit
	SED_BASIC_DESERIALIZER
		redefine
			make,
			read_header,
			read_persistent_field_count,
			new_attribute_offset,
			is_transient_retrieval_required,
			clear_internal_data,
			decode_normal_object,
			decode_objects
		end

	MISMATCH_CORRECTOR

create 
	make

feature {NONE} -- Initialization

	make (a_deserializer: SED_READER_WRITER)
			-- Initialize current instance
		do
			Precursor (a_deserializer)
			create mismatches.make (0)
			create mismatched_object.make (0)
		end
	
feature -- Settings

	set_class_type_translator (a_translator: like class_type_translator)
			-- Set class_type_translator with a_translator.
		do
			class_type_translator := a_translator
		ensure
			class_type_translator_set: class_type_translator = a_translator
		end

	set_attribute_name_translator (a_translator: like attribute_name_translator)
			-- Set attribute_name_translator with a_translator.
		do
			attribute_name_translator := a_translator
		ensure
			attribute_name_translator_set: attribute_name_translator = a_translator
		end

	allow_conforming_mismatches
			-- Set is_conforming_mismatch_allowed to True.
		do
			is_conforming_mismatch_allowed := True
		ensure
			is_conforming_mismatch_allowed_set: is_conforming_mismatch_allowed
		end

	disallow_conforming_mismatches
			-- Set is_conforming_mismatch_allowed to False.
		do
			is_conforming_mismatch_allowed := False
		ensure
			is_conforming_mismatch_allowed_set: not is_conforming_mismatch_allowed
		end

	allow_attribute_removal
			-- Set is_attribute_removal_allowed to True.
		do
			is_attribute_removal_allowed := True
		ensure
			is_attribute_removal_allowed_set: is_attribute_removal_allowed
		end

	disallow_attribute_removal
			-- Set is_attribute_removal_allowed to False.
		do
			is_attribute_removal_allowed := False
		ensure
			is_attribute_removal_allowed_set: not is_attribute_removal_allowed
		end

	stop_on_data_retrieval_error
			-- Set is_stopping_on_data_retrieval_error to False.
		do
			is_stopping_on_data_retrieval_error := True
		ensure
			is_stopping_on_data_retrieval_error_set: is_stopping_on_data_retrieval_error
		end

	continue_on_data_retrieval_error
			-- Set is_attribute_removal_allowed to False.
		do
			is_stopping_on_data_retrieval_error := False
		ensure
			is_stopping_on_data_retrieval_error_set: not is_stopping_on_data_retrieval_error
		end

	set_is_checking_data_consistency (v: like is_checking_data_consistency)
			-- Set is_checking_data_consistency with v.
		do
			is_checking_data_consistency := v
		ensure
			is_checking_data_consistency_set: is_checking_data_consistency = v
		end
	
feature {NONE} -- Implementation: access

	attributes_mapping: detachable SPECIAL [detachable SPECIAL [INTEGER_32]]
			-- Mapping for each dynamic type id between old attribute location
			-- and new attribute location.

	new_attribute_offset (a_new_type_id, a_old_offset: INTEGER_32): INTEGER_32
			-- Given attribute offset a_old_offset in the stored object whose dynamic type id
			-- is now a_new_type_id, retrieve new offset in a_new_type_id.
		do
			if attached attributes_mapping as l_map and then l_map.valid_index (a_new_type_id) and then attached l_map.item (a_new_type_id) as l_entry and then l_entry.valid_index (a_old_offset) then
				Result := l_entry.item (a_old_offset)
			end
		end

	class_type_translator: detachable FUNCTION [STRING_8, STRING_8]
			-- Provide a mapping between a class type from the storable to a class type
			-- in the retrieving system.

	attribute_name_translator: detachable FUNCTION [STRING_8, INTEGER_32, STRING_8]
			-- Provide a mapping for an attribute name for a give type ID.

	mismatches: HASH_TABLE [SED_TYPE_MISMATCH, INTEGER_32]
			-- Set of mismatches recorded during retrieval indexed by dynamic types.

	mismatched_object: ARRAYED_LIST [TUPLE [object: ANY; info: MISMATCH_INFORMATION]]
			-- List of all mismatched objects found during retrieval.
	
feature {NONE} -- Status report

	is_conforming_mismatch_allowed: BOOLEAN
			-- Do we not trigger a mismatch when an attribute type in the stored system is
			-- different from the retrieving system but conforming?

	is_attribute_removal_allowed: BOOLEAN
			-- Do we not trigger a mismatch when an attribute has been removed?

	is_stopping_on_data_retrieval_error: BOOLEAN
			-- When retrieving objects, should we stop at the first occurrence of a mismatch?

	is_checking_data_consistency: BOOLEAN
			-- After retrieving objects, should we check that all objects are consistent?

	is_transient_retrieval_required: BOOLEAN
			-- Do we need to retrieve transient attribute with their default value?
			-- This is necessary for Session/Basic storing where we expect the same
			-- object layout.
		do
			Result := False
		end
	
feature {NONE} -- Implementation

	read_header (a_count: NATURAL_32)
			-- Read header which contains mapping between dynamic type and their
			-- string representation.
		local
			i, nb: INTEGER_32
			l_deser: like deserializer
			l_reflector: like reflector
			l_table: like dynamic_type_table
			l_old_dtype, l_new_dtype: INTEGER_32
			l_old_type_str, l_new_type_str: STRING_8
			l_old_version, l_new_version: detachable IMMUTABLE_STRING_8
		do
			l_reflector := reflector
			l_deser := deserializer
			read_settings
			if version < {SED_VERSIONS}.version_6_6 then
				raise_fatal_error (Error_factory.new_format_mismatch (version, {SED_VERSIONS}.version_6_6))
			end
			nb := l_deser.read_compressed_natural_32.to_integer_32
			create l_table.make_filled (0, nb)
			create attributes_mapping.make_filled (Void, nb)
			from
				i := 0
			until
				i = nb
			loop
				l_old_dtype := l_deser.read_compressed_natural_32.to_integer_32
				l_old_type_str := l_deser.read_string_8
				l_new_type_str := if attached class_type_translator as translation then
					translation (l_old_type_str)
				else
					l_old_type_str
				end
				l_new_dtype := l_reflector.dynamic_type_from_string (l_new_type_str)
				if l_new_dtype >= 0 then
					if not l_table.valid_index (l_old_dtype) then
						l_table := l_table.aliased_resized_area_with_default (0, (l_old_dtype + 1).max (l_table.count * 2))
					end;
					l_table.put (l_new_dtype, l_old_dtype)
				else
					add_error (Error_factory.new_missing_type_error (l_old_type_str, l_new_type_str))
				end
				if l_deser.read_boolean then
					l_old_version := l_deser.read_immutable_string_8
				else
					l_old_version := Void
				end
				if l_new_dtype /= -1 then
					l_new_version := l_reflector.storable_version_of_type (l_new_dtype)
					if l_old_version /~ l_new_version then
						associated_mismatch (l_new_dtype).add_version_mismatch (l_old_version, l_new_version)
					end
				end
				i := i + 1
			end
			from
				i := 0
				nb := l_deser.read_compressed_natural_32.to_integer_32
			until
				i = nb
			loop
				l_old_dtype := l_deser.read_compressed_natural_32.to_integer_32
				l_old_type_str := l_deser.read_string_8
				l_new_type_str := if attached class_type_translator as translation then
					translation (l_old_type_str)
				else
					l_old_type_str
				end
				l_new_dtype := l_reflector.dynamic_type_from_string (l_new_type_str)
				if l_new_dtype >= 0 then
					if not l_table.valid_index (l_old_dtype) then
						l_table := l_table.aliased_resized_area_with_default (0, (l_old_dtype + 1).max (l_table.count * 2))
					end;
					l_table.put (l_new_dtype, l_old_dtype)
				else
					add_error (Error_factory.new_missing_type_error (l_old_type_str, l_new_type_str))
				end
				i := i + 1
			end
			dynamic_type_table := l_table
			from
				i := 0
				nb := l_deser.read_compressed_natural_32.to_integer_32
			until
				i = nb
			loop
				l_old_dtype := l_deser.read_compressed_natural_32.to_integer_32
				if l_table.valid_index (l_old_dtype) then
					read_attributes (l_table.item (l_old_dtype))
				else
					raise_fatal_error (Error_factory.new_internal_error ("Cannot read attributes data"))
				end
				i := i + 1
			end
			read_object_table (a_count)
		end

	read_persistent_field_count (a_reflected_object: REFLECTED_OBJECT): INTEGER_32
			-- Number of fields we are going to read from a_reflected_object in the the retrieved system.
		local
			l_dtype: INTEGER_32
		do
			l_dtype := a_reflected_object.dynamic_type
			if attached attributes_mapping as l_map and then l_map.valid_index (l_dtype) and then attached l_map.item (l_dtype) as l_entry then
				Result := l_entry.count - 1
			else
				raise_fatal_error (Error_factory.new_internal_error ("Cannot retrieve stored count"))
			end
		end

	read_attributes (a_dtype: INTEGER_32)
			-- Read attribute description for a_dtype where a_dtype is a dynamic type
			-- from the current system.
		local
			l_deser: like deserializer
			l_reflector: like reflector
			l_map: like attributes_map
			l_mapping: SPECIAL [INTEGER_32]
			l_old_name, l_new_name: STRING_8
			l_old_dtype, l_dtype: INTEGER_32
			i, nb, l_not_founds: INTEGER_32
			l_old_count, l_new_count: INTEGER_32
			a: like attributes_mapping
			l_attribute_type: INTEGER_32
		do
			l_deser := deserializer
			l_reflector := reflector
			l_old_count := l_deser.read_compressed_natural_32.to_integer_32
			l_new_count := l_reflector.persistent_field_count_of_type (a_dtype)
			if l_old_count /= l_new_count then
				associated_mismatch (a_dtype).add_attribute_count_mismatch (l_old_count, l_new_count)
			end
			from
				i := 1
				l_map := attributes_map (a_dtype)
				nb := l_old_count + 1
				create l_mapping.make_empty (nb);
				l_mapping.extend (0)
			until
				i = nb
			loop
				l_old_dtype := l_deser.read_compressed_natural_32.to_integer_32
				l_dtype := new_dynamic_type_id (l_old_dtype)
				l_old_name := l_deser.read_string_8
				l_new_name := if attached attribute_name_translator as translation then
					translation (l_old_name, a_dtype)
				else
					l_old_name
				end
				if l_dtype >= 0 then
					if attached l_map.item (l_new_name) as l_item then
						l_attribute_type := l_item.dtype
						if l_attribute_type /= l_dtype then
							if is_conforming_mismatch_allowed then
								if not l_reflector.type_conforms_to (l_dtype, l_attribute_type) then
									if l_reflector.is_attached_type (l_attribute_type) and then l_reflector.type_conforms_to (l_dtype, l_reflector.detachable_type (l_attribute_type)) then
										associated_mismatch (a_dtype).add_void_safe_mismatch (l_dtype, l_attribute_type, l_old_name, l_new_name, i, l_item.position)
									else
										associated_mismatch (a_dtype).add_attribute_mismatch (l_dtype, l_attribute_type, l_old_name, l_new_name, i, l_item.position)
									end
								end
							else
								if l_reflector.is_attached_type (l_attribute_type) then
									if l_reflector.detachable_type (l_attribute_type) = l_dtype then
										associated_mismatch (a_dtype).add_void_safe_mismatch (l_dtype, l_attribute_type, l_old_name, l_new_name, i, l_item.position)
									else
										associated_mismatch (a_dtype).add_attribute_mismatch (l_dtype, l_attribute_type, l_old_name, l_new_name, i, l_item.position)
									end
								else
									if l_reflector.is_attached_type (l_dtype) and then l_reflector.detachable_type (l_dtype) = l_attribute_type then
									else
										associated_mismatch (a_dtype).add_attribute_mismatch (l_dtype, l_attribute_type, l_old_name, l_new_name, i, l_item.position)
									end
								end
							end
						end;
						l_mapping.extend (l_item.position)
					else
						l_not_founds := l_not_founds + 1
						if not is_attribute_removal_allowed then
							associated_mismatch (a_dtype).add_removed_attribute (l_dtype, l_old_name, l_new_name, i)
						end;
						l_mapping.extend (-1)
					end
				else
					add_error (Error_factory.new_unknown_attribute_type_error (a_dtype, l_new_name))
				end
				i := i + 1
			end
			if l_old_count - l_not_founds < l_new_count then
				associated_mismatch (a_dtype).add_new_attribute_mismatch (l_new_count - (l_old_count - l_not_founds))
			end
			check
					attached attributes_mapping as l_a
			then
				if not l_a.valid_index (a_dtype) then
					a := l_a.aliased_resized_area_with_default (Void, (a_dtype + 1).max (l_a.count * 2))
					attributes_mapping := a
				else
					a := l_a
				end;
				a.put (l_mapping, a_dtype)
			end
		end

	attributes_map (a_dtype: INTEGER_32): HASH_TABLE [TUPLE [position: INTEGER_32; dtype: INTEGER_32], STRING_8]
			-- Attribute map for dynamic type a_dtype which records
			-- position and dynamic type for a given attribute name.
		require
			a_dtype_non_negative: a_dtype >= 0
		local
			l_reflector: like reflector
			i, nb: INTEGER_32
		do
			l_reflector := reflector
			from
				i := 1
				nb := l_reflector.field_count_of_type (a_dtype)
				create Result.make (nb)
				nb := nb + 1
			until
				i = nb
			loop
				Result.put ([i, l_reflector.field_static_type_of_type (i, a_dtype)], l_reflector.field_name_of_type (i, a_dtype))
				i := i + 1
			end
		ensure
			attributes_map_not_void: Result /= Void
		end

	associated_mismatch (a_dtype: INTEGER_32): SED_TYPE_MISMATCH
			-- Associated mismatch for a_dtype.
		require
			a_dtype_non_negative: a_dtype >= 0
		do
			if attached mismatches.item (a_dtype) as l_mis then
				check
					valid_mismatch: l_mis.type_id = a_dtype
				end
				Result := l_mis
			else
				create Result.make (a_dtype);
				mismatches.put (Result, a_dtype)
			end
		end

	has_mismatch (a_dtype: INTEGER_32): BOOLEAN
			-- Is there a mismatch triggered for a_dtype?
		require
			a_dtype_non_negative: a_dtype >= 0
		do
			Result := mismatches.has (a_dtype)
		end

	decode_objects (a_count: NATURAL_32)
			-- Decode a_count object from deserializer and store root object in last_decoded_object.
		local
			i, nb: INTEGER_32
		do
			Precursor (a_count)
			from
				mismatched_object.start
			until
				mismatched_object.after
			loop
				safe_mismatch_correction (mismatched_object.item.object, mismatched_object.item.info);
				mismatched_object.forth
			end
			if is_checking_data_consistency then
				from
					i := 0
					nb := object_references.upper
				until
					i > nb
				loop
					if attached object_references.item (i) as l_obj and then not is_object_valid (l_obj, True) then
						add_error (Error_factory.new_invalid_object_error (l_obj))
					end
					i := i + 1
				end
			end
		end

	safe_mismatch_correction (an_obj: ANY; a_mismatch_information: MISMATCH_INFORMATION)
			-- Try to apply {MISMATCH_CORRECTOR}.correct_mismatch to an_obj using a_mismatch_information
			-- to solve the mismatch.
		local
			retried: BOOLEAN
			l_check, l_mismatch_called: BOOLEAN
		do
			if not retried then
				if attached {MISMATCH_CORRECTOR} an_obj as l_corrector then
					l_mismatch_called := True
					l_check := {ISE_RUNTIME}.check_assert (False);
					a_mismatch_information.put (an_obj.generating_type.name, {MISMATCH_INFORMATION}.type_name_key);
					Mismatch_information.copy (a_mismatch_information);
					l_corrector.correct_mismatch
					l_check := {ISE_RUNTIME}.check_assert (l_check)
					if not is_object_valid (an_obj, False) then
						add_error (Error_factory.new_invalid_object_error (an_obj))
					end
				else
					add_error (Error_factory.new_object_mismatch_error (an_obj))
				end
			else
				if l_mismatch_called then
					l_check := {ISE_RUNTIME}.check_assert (l_check)
				end
				add_error (Error_factory.new_object_mismatch_error (an_obj))
			end
		rescue
			retried := True
			retry
		end

	is_object_valid (an_obj: ANY; a_verify_invariant: BOOLEAN): BOOLEAN
			-- Is object content valid, i.e. are all attached attributes really attached?
		local
			l_reflected_object: like reflected_object
			l_reflector: like reflector
			i, nb: INTEGER_32
			retried: BOOLEAN
		do
			if not retried then
				from
					l_reflected_object := reflected_object
					l_reflector := reflector;
					l_reflected_object.set_object (an_obj)
					i := 1
					nb := l_reflected_object.field_count
					Result := True
				until
					i > nb or not Result
				loop
					if l_reflected_object.field_type (i) = {REFLECTOR_CONSTANTS}.reference_type then
						Result := not l_reflector.is_attached_type (l_reflected_object.field_static_type (i)) or else l_reflected_object.reference_field (i) /= Void
					end
					i := i + 1
				end
				if a_verify_invariant then
					an_obj.do_nothing
				end
			else
				Result := False
			end
		rescue
			retried := True
			retry
		end

	decode_normal_object (a_reflected_object: REFLECTED_OBJECT)
			-- Decode an object represented by a_reflected_object.
		local
			l_deser: like deserializer
			i, nb: INTEGER_32
			l_dtype, l_exp_dtype, l_new_offset: INTEGER_32
			l_mismatch_info: SED_TYPE_MISMATCH
			l_info: detachable MISMATCH_INFORMATION
			l_check_for_non_void: BOOLEAN
			l_has_mismatch: BOOLEAN
			l_field_info: detachable TUPLE [old_name: STRING_8; new_name: STRING_8; old_attribute_type: INTEGER_32; new_attribute_type: INTEGER_32; old_position: INTEGER_32; new_position: INTEGER_32; is_changed: BOOLEAN; is_removed: BOOLEAN; is_attachment_check_required: BOOLEAN]
			l_exp: REFLECTED_REFERENCE_OBJECT
		do
			l_dtype := a_reflected_object.dynamic_type
			if not has_mismatch (l_dtype) then
				Precursor (a_reflected_object)
			else
				l_mismatch_info := associated_mismatch (l_dtype)
				if l_mismatch_info.has_version_mismatch then
					create l_info.make (l_mismatch_info.old_count);
					l_info.set_versions (l_mismatch_info.old_version, l_mismatch_info.new_version)
				end
				l_deser := deserializer
				from
					i := 1
					nb := read_persistent_field_count (a_reflected_object) + 1
				until
					i = nb
				loop
					l_field_info := l_mismatch_info.mismatches_by_stored_position.item (i)
					if l_field_info /= Void then
						l_check_for_non_void := l_field_info.is_attachment_check_required
						l_has_mismatch := l_field_info.is_changed or (not is_attribute_removal_allowed and then l_field_info.is_removed)
						if not l_has_mismatch then
							l_field_info := Void
						elseif l_info = Void then
							create l_info.make (l_mismatch_info.old_count)
						end
					else
						l_check_for_non_void := False
					end
					if l_field_info = Void then
						l_new_offset := new_attribute_offset (l_dtype, i)
						inspect a_reflected_object.field_type (l_new_offset)
						when {REFLECTOR_CONSTANTS}.boolean_type then
							a_reflected_object.set_boolean_field (l_new_offset, l_deser.read_boolean)
						when {REFLECTOR_CONSTANTS}.character_8_type then
							a_reflected_object.set_character_8_field (l_new_offset, l_deser.read_character_8)
						when {REFLECTOR_CONSTANTS}.character_32_type then
							a_reflected_object.set_character_32_field (l_new_offset, l_deser.read_character_32)
						when {REFLECTOR_CONSTANTS}.natural_8_type then
							a_reflected_object.set_natural_8_field (l_new_offset, l_deser.read_natural_8)
						when {REFLECTOR_CONSTANTS}.natural_16_type then
							a_reflected_object.set_natural_16_field (l_new_offset, l_deser.read_natural_16)
						when {REFLECTOR_CONSTANTS}.natural_32_type then
							a_reflected_object.set_natural_32_field (l_new_offset, l_deser.read_natural_32)
						when {REFLECTOR_CONSTANTS}.natural_64_type then
							a_reflected_object.set_natural_64_field (l_new_offset, l_deser.read_natural_64)
						when {REFLECTOR_CONSTANTS}.integer_8_type then
							a_reflected_object.set_integer_8_field (l_new_offset, l_deser.read_integer_8)
						when {REFLECTOR_CONSTANTS}.integer_16_type then
							a_reflected_object.set_integer_16_field (l_new_offset, l_deser.read_integer_16)
						when {REFLECTOR_CONSTANTS}.integer_32_type then
							a_reflected_object.set_integer_32_field (l_new_offset, l_deser.read_integer_32)
						when {REFLECTOR_CONSTANTS}.integer_64_type then
							a_reflected_object.set_integer_64_field (l_new_offset, l_deser.read_integer_64)
						when {REFLECTOR_CONSTANTS}.real_32_type then
							a_reflected_object.set_real_32_field (l_new_offset, l_deser.read_real_32)
						when {REFLECTOR_CONSTANTS}.real_64_type then
							a_reflected_object.set_real_64_field (l_new_offset, l_deser.read_real_64)
						when {REFLECTOR_CONSTANTS}.pointer_type then
							a_reflected_object.set_pointer_field (l_new_offset, l_deser.read_pointer)
						when {REFLECTOR_CONSTANTS}.reference_type then
							if has_reference_with_copy_semantics then
								if l_deser.read_boolean then
									l_exp_dtype := new_dynamic_type_id (l_deser.read_compressed_integer_32)
									if l_exp_dtype < 0 then
										raise_fatal_error (Error_factory.new_internal_error ("Cannot read object type. Corrupted data!"))
									else
										create l_exp.make (reflector.new_instance_of (l_exp_dtype))
										decode_normal_object (l_exp);
										a_reflected_object.set_reference_field (l_new_offset, l_exp.object)
										if l_check_for_non_void then
											l_check_for_non_void := False
										end
									end
								else
									a_reflected_object.set_reference_field (l_new_offset, read_reference)
								end
							else
								a_reflected_object.set_reference_field (l_new_offset, read_reference)
							end
							if l_check_for_non_void and then a_reflected_object.reference_field (l_new_offset) = Void then
								if l_info = Void then
									create l_info.make (l_mismatch_info.old_count)
								end;
								l_info.put (Void, a_reflected_object.field_name (l_new_offset))
							end
						when {REFLECTOR_CONSTANTS}.expanded_type then
							l_deser.read_compressed_integer_32.do_nothing
							decode_normal_object (a_reflected_object.expanded_field (l_new_offset))
						else
							check
									False
							end
						end
					else
						if l_info = Void then
							create l_info.make (l_mismatch_info.old_count)
						end
						inspect abstract_type (l_field_info.old_attribute_type)
						when {REFLECTOR_CONSTANTS}.boolean_type then
							l_info.put (l_deser.read_boolean, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.character_8_type then
							l_info.put (l_deser.read_character_8, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.character_32_type then
							l_info.put (l_deser.read_character_32, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.natural_8_type then
							l_info.put (l_deser.read_natural_8, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.natural_16_type then
							l_info.put (l_deser.read_natural_16, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.natural_32_type then
							l_info.put (l_deser.read_natural_32, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.natural_64_type then
							l_info.put (l_deser.read_natural_64, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.integer_8_type then
							l_info.put (l_deser.read_integer_8, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.integer_16_type then
							l_info.put (l_deser.read_integer_16, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.integer_32_type then
							l_info.put (l_deser.read_integer_32, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.integer_64_type then
							l_info.put (l_deser.read_integer_64, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.real_32_type then
							l_info.put (l_deser.read_real_32, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.real_64_type then
							l_info.put (l_deser.read_real_64, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.pointer_type then
							l_info.put (l_deser.read_pointer, l_field_info.new_name)
						when {REFLECTOR_CONSTANTS}.reference_type then
							if has_reference_with_copy_semantics then
								if l_deser.read_boolean then
									l_exp_dtype := new_dynamic_type_id (l_deser.read_compressed_integer_32)
									if l_exp_dtype < 0 then
										raise_fatal_error (Error_factory.new_internal_error ("Cannot read object type. Corrupted data!"))
									else
										create l_exp.make (reflector.new_instance_of (l_exp_dtype))
										decode_normal_object (l_exp);
										l_info.put (l_exp.object, l_field_info.new_name)
									end
								else
									l_info.put (read_reference, l_field_info.new_name)
								end
							else
								l_info.put (read_reference, l_field_info.new_name)
							end
						when {REFLECTOR_CONSTANTS}.expanded_type then
							l_exp_dtype := new_dynamic_type_id (l_deser.read_compressed_integer_32)
							if l_exp_dtype < 0 then
								raise_fatal_error (Error_factory.new_internal_error ("Cannot read object type. Corrupted data!"))
							else
								create l_exp.make (reflector.new_instance_of (l_exp_dtype))
								decode_normal_object (l_exp);
								l_info.put (l_exp.object, l_field_info.new_name)
							end
						else
							check
									False
							end
						end
					end
					i := i + 1
				end
			end
			if l_info /= Void then
				mismatched_object.extend ([a_reflected_object.object, l_info])
			end
		end
	
feature {NONE} -- Cleaning

	clear_internal_data
			-- Clear all allocated data
		do
			Precursor {SED_BASIC_DESERIALIZER}
			attributes_mapping := Void;
			mismatches.wipe_out;
			mismatched_object.wipe_out
		end
	
note
	library: "EiffelBase: Library of reusable components for Eiffel."
	copyright: "Copyright (c) 1984-2020, 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 SED_RECOVERABLE_DESERIALIZER

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