75 lines
2.9 KiB
Ruby
75 lines
2.9 KiB
Ruby
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module Boot
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class Object
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module ClassMethods
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# return the index of the variable. Now "normal" code can't really do anything with that, but
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# set/get instance variable use it.
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# This is just a placeholder, as we code this in ruby, but the instance methods need the definition before.
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def index_of context , name = Virtual::Integer
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index_function = Virtual::Function.new(:index_of , Virtual::Reference , [Virtual::Reference] , Virtual::Integer )
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return index_function
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end
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def self.layout
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layout_function = Virtual::Function.new(:layout , Virtual::Reference , [ ] , Virtual::Reference )
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layout_function.at_index 2
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layout_function
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end
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# in ruby, how this goes is
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# def _get_instance_variable var
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# i = self.index_of(var)
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# return at_index(i)
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# end
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# The at_index is just "below" the api, something we need but don't want to expose, so we can't code the above in ruby
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def _get_instance_variable context , name = Virtual::Integer
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get_function = Virtual::Function.new(:_get_instance_variable , Virtual::Reference , [ Virtual::Reference ] , Virtual::Mystery )
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me = get_function.receiver
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var_name = get_function.args.first
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return_to = get_function.return_type
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index_function = context.object_space.get_or_create_class(:Object).resolve_function(:index_of)
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get_function.push( [me] )
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index = get_function.call( index_function )
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after_body = get_function.new_block("after_index")
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get_function.insert_at after_body
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get_function.pop([me])
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return_to.at_index( get_function , me , return_to )
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get_function.set_return return_to
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return get_function
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end
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def _set_instance_variable(context , name = Virtual::Integer , value = Virtual::Integer )
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set_function = Virtual::Function.new(:_set_instance_variable , Virtual::Reference ,[Virtual::Reference ,Virtual::Reference], Virtual::Mystery )
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me = set_function.receiver
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var_name = set_function.args.first
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return_to = set_function.return_type
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index_function = context.object_space.get_or_create_class(:Object).resolve_function(:index_of)
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set_function.push( [me] )
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set_function.call( index_function )
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after_body = set_function.new_block("after_index")
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set_function.insert_at after_body
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set_function.pop([me])
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return_to.at_index( set_function , me , return_to )
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set_function.set_return return_to
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return set_function
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end
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def _get_singleton_method(context , name )
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raise name
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end
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def _add_singleton_method(context, method)
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raise "4"
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end
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def initialize(context)
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raise "4"
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end
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end
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extend ClassMethods
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end
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end
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