class Whitespace::ISA::Njmp
Attributes
name[R]
Public Class Methods
new(vm, name)
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Calls superclass method
# File lib/whitespace/instructions/flow_control/njmp.rb, line 5 def initialize(vm, name) unless Whitespace::Util.is_label?(name) raise ArgumentError, "must be a label: #{name}" end super(vm) @name = name end
Public Instance Methods
execute()
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# File lib/whitespace/instructions/flow_control/njmp.rb, line 13 def execute if vm.vstack.pop < 0 index = Whitespace::Util.find_label(vm.instructions, name) vm.pc.change_to index + 1 end end