Class: IntDivideInstruction
Instance Attribute Summary
Attributes inherited from Instruction
#context
Instance Method Summary
collapse
Methods inherited from Instruction
all_instructions, #go, inherited, #initialize, #needs, #pushes, to_nudgecode
Constructor Details
This class inherits a constructor from Instruction
Instance Method Details
#cleanup ⇒ Object
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# File 'lib/instructions/int/int_divide.rb', line 17
def cleanup
pushes :int, @result
end
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#derive ⇒ Object
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# File 'lib/instructions/int/int_divide.rb', line 9
def derive
if @arg2 != 0
@quotient = @arg1 / @arg2
@result = ValuePoint.new("int", @quotient)
else
raise InstructionMethodError, "#{self.class} cannot divide by 0"
end
end
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#preconditions? ⇒ Boolean
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# File 'lib/instructions/int/int_divide.rb', line 2
def preconditions?
needs :int, 2
end
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#setup ⇒ Object
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# File 'lib/instructions/int/int_divide.rb', line 5
def setup
@arg2 = @context.pop_value(:int)
@arg1 = @context.pop_value(:int)
end
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