56 lines
1.5 KiB
Ruby
56 lines
1.5 KiB
Ruby
# Behaviour is something that has methods, basically class and modules superclass
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# instance_methods is the attribute in the including class that has the methods
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module Parfait
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module Behaviour
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def initialize
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super()
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instance_methods = List.new
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end
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def methods
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m = instance_methods
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return m if m
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instance_methods = List.new
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end
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def method_names
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names = List.new
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methods.each do |method|
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names.push method.name
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end
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names
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end
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def add_instance_method( method )
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raise "not implemented #{method.class} #{method.inspect}" unless method.is_a? VoolMethod
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method
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end
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def remove_instance_method( method_name )
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found = get_instance_method( method_name )
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found ? @methods.delete(found) : false
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end
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def get_instance_method( fname )
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raise "get_instance_method #{fname}.#{fname.class}" unless fname.is_a?(Symbol)
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#if we had a hash this would be easier. Detect or find would help too
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@instance_methods.find {|m| m.name == fname }
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end
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# get the method and if not found, try superclasses. raise error if not found
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def resolve_method( m_name )
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raise "resolve_method #{m_name}.#{m_name.class}" unless m_name.is_a?(Symbol)
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method = get_instance_method(m_name)
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return method if method
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if( super_class_name && super_class_name != :Object )
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method = @super_class.resolve_method(m_name)
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end
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method
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end
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end
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end
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