rubyx/lib/vool/statements/class_statement.rb

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module Vool
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class ClassStatement < Statement
attr_reader :name, :super_class_name , :body
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attr_reader :clazz
def initialize( name , supe , body)
@name , @super_class_name , @body = name , supe , body
unless( body.is_a?(ScopeStatement))
@body = ScopeStatement.new([])
@body.statements << body if body
end
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end
# compilation to the next layer, mom
# context coming in for class is nil, also for methods, henceafter a method is passed down
def to_mom( _ )
methods = []
@body.statements.each do |meth|
methods << meth.to_mom( nil )
end
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Mom::Statements.new(methods)
end
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def collect(arr)
@body.collect(arr)
super
end
def create_objects
@clazz = Parfait.object_space.get_class_by_name(@name )
if(@clazz)
#FIXME super class check with "sup"
#existing class, don't overwrite type (parfait only?)
else
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@clazz = Parfait.object_space.create_class(@name , @super_class_name )
vars = []
@body.collect([]).each { |node| node.add_ivar(vars) }
ivar_hash = {}
vars.each { |var| ivar_hash[var] = :Object }
@clazz.set_instance_type( Parfait::Type.for_hash( @clazz , ivar_hash ) )
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end
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body.collect([]).each {|node| node.set_class(@clazz) }
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body.create_objects
end
end
end