func init
	if(linked("doOperation") and linked("Result"))
		sys.add_var(this.name, 'dynamic')
	end
end

func make_logic(data)
	op = this.props('Operation').value
	if(op == '!')
		return(op + d("obj1"))
	else
		return('(' + d("obj1") + ' ' + op + ' ' + d("obj2") + ')')
	end
end

func doOperation(data)
	if(linked('Result'))
		blk.println(this.codename, ' = ', make_logic(data), ';')
		event('onResult', this.codename)
	else
		event('onResult', make_logic(data))
	end
end

func Result
	if(linked('doOperation'))
		return(this.codename)
	else
		return(make_logic())
	end
end