39 lines
744 B
Ruby
39 lines
744 B
Ruby
class SourceView
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include React::Component
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required_param :interpreter
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define_state :sources => []
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before_mount do
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interpreter.register_event(:instruction_changed, self)
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instruction_changed nil , interpreter.instruction
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end
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def instruction_changed old , ins
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text = source_text(ins.source)
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return if sources.last == text
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sources << text
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sources.shift if sources.length > 5
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sources! sources
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end
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def render
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div.source_view do
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h4 {"Virtual Machine Instruction"}
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sources.each do |s|
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s.br
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end
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end
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end
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def source_text source
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if source.is_a? Virtual::Instruction
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return source.class.name
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else
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return "Method: #{source.name}"
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end
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end
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end
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