class Basic101::OnGotoStatement
Attributes
next_statement[W]
Public Class Methods
new(expression, line_numbers)
click to toggle source
# File lib/basic101/on_goto_statement.rb, line 11 def initialize(expression, line_numbers) @expression = expression @line_numbers = line_numbers end
Public Instance Methods
execute(runtime)
click to toggle source
# File lib/basic101/on_goto_statement.rb, line 16 def execute(runtime) index = @expression.eval(runtime).to_i - 1 if (0...@line_numbers.size).include?(index) runtime.goto_line(@line_numbers[index].to_i) end end
Protected Instance Methods
state()
click to toggle source
# File lib/basic101/on_goto_statement.rb, line 25 def state [@expression, @line_numbers] end