28 lines
669 B
Ruby
28 lines
669 B
Ruby
module Vm
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module FieldAccess
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def on_FieldAccess statement
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# receiver_ast , field_ast = *statement
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receiver = process(statement.receiver)
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type = receiver.type
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if(type.is_a?(Symbol))
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type = Parfait.object_space.get_class_by_name(type).instance_type
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end
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field_name = statement.field.name
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index = type.variable_index(field_name)
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raise "no such field:#{field_name} for class #{type.inspect}" unless index
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value = use_reg(type.type_at(index))
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add_slot_to_reg(statement , receiver , index, value)
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value
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end
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def on_receiver expression
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process expression.first
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end
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end
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end
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