9376b8bc16
Back to the root! but lots of adjusting ObjectWriter takes machine, machine has space Virtual constants become Parfait::Objects etc
68 lines
2.3 KiB
Ruby
68 lines
2.3 KiB
Ruby
# to be precise, this should be an ObjectReference, as the Reference is a Value
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# but we don't want to make that distinction all the time , so we don't.
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# that does lead to the fact that we have Reference functions on the Object though
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module Parfait
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class Object < Value
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def get_type()
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OBJECT_TYPE
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end
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# This is the crux of the object system. The class of an object is stored in the objects
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# memory (as opposed to an integer that has no memory and so always has the same class)
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#
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# In Salama we store the class in the Layout, and so the Layout is the only fixed
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# data that every object carries.
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def get_class()
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l = get_layout()
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puts "Layout #{l}"
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l.get_object_class()
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end
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def get_layout()
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return internal_object_get(1)
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end
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# class stores the "latest" layout for instances, ie the layout a new object will
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# be created with.
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# inside parfait (and for now everywhere) these are constant.
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@@EMPTY = { :names => [] , :types => []}
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def self.class_layout()
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@@EMPTY
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end
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def instance_variables
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get_layout().instance_variables
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end
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def instance_variable_get name
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index = instance_variable_defined(name)
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return nil if index == nil
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return internal_get(index)
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end
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def instance_variable_set name , value
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index = instance_variable_defined(name)
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return nil if index == nil
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return internal_set(index , value)
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end
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def instance_variable_defined name
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layout().index_of(name)
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end
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# Object
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# :nil?, :===, :=~, :!~, :eql?, :hash, :<=>, :class, :singleton_class, :clone, :dup, :taint, :tainted?, :untaint,
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# :untrust, :untrusted?, :trust, :freeze, :frozen?, :to_s, :inspect, :methods, :singleton_methods, :protected_methods,
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# :private_methods, :public_methods, :instance_variables, :instance_variable_get, :instance_variable_set, :instance_variable_defined?,
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# :remove_instance_variable, :instance_of?, :kind_of?, :is_a?, :tap, :send, :public_send, :respond_to?,
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# :extend, :display, :method, :public_method, :singleton_method, :define_singleton_method,
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# :object_id, :to_enum, :enum_for
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#
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# BasicObject
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# :==, :equal?, :!, :!=, :instance_eval, :instance_exec, :__send__, :__id__
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end
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end
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