33 lines
561 B
Ruby
33 lines
561 B
Ruby
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class SourceView < ElementView
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def initialize interpreter
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@interpreter = interpreter
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@interpreter.register_event(:instruction_changed, self)
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end
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def draw
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@text = div
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@element = div(".source_view") << div("h4" ,"Future") << @text
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@element
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end
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def instruction_changed
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@text.text = source
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end
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def source
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i = @interpreter.instruction
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return "" unless i
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case i.source
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when AST::Node
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i.source.to_s
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when String
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"String " + i.source
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else
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raise i.source.class.name
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end
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end
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end
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