Module: Rufus

Defined in:
lib/rufus/eval.rb

Class Method Summary collapse

Class Method Details

.eval_safely(code, safe_level, binding = nil) ⇒ Object

Runs an eval() call at a certain safety level.



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# File 'lib/rufus/eval.rb', line 95

def Rufus.eval_safely (code, safe_level, binding=nil)

    return eval(code, binding) if on_jruby?

    code.untaint

    binding.taint

    r = nil

    Thread.new do
        $SAFE = safe_level
        r = eval code, binding
    end.join

    raise "cannot TAMPER with JRUBY_VERSION" if on_jruby?

    r
end

.instance_eval_safely(instance, code, safe_level) ⇒ Object

Runs some code within an instance’s realm at a certain safety level.



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# File 'lib/rufus/eval.rb', line 74

def Rufus.instance_eval_safely (instance, code, safe_level)

    return instance.instance_eval(code) if on_jruby?

    code.untaint

    r = nil

    Thread.new do
        $SAFE = safe_level
        r = instance.instance_eval(code)
    end.join

    raise "cannot TAMPER with JRUBY_VERSION" if on_jruby?

    r
end