rubyx-debugger/lib/instruction_view.rb

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require "base/constant_view"
require "base/list_view"
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class InstructionView < ListView
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def initialize interpreter
@interpreter = interpreter
super([ConstantView.new( "span.bright" , "starting" )])
@interpreter.register_event(:instruction_changed, self)
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end
def instruction_changed
@element.at_css(".bright").remove_class("bright")
instruction = append( ConstantView.new( "span.bright" , instruction_text ) )
wrap_node_with instruction , div
remove_first if( @elements.length > 5)
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end
def draw
super()
wrap_node_with @elements.first , div
wrap_element div(".source_view") << div("h4" ,"Virtual Machine Instruction")
@element
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end
def instruction_text
return "" unless @interpreter.instruction
@interpreter.instruction.to_s
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end
end