46 lines
859 B
Ruby
46 lines
859 B
Ruby
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module Safebox
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class <<self
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def run *paras, &exe
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exe = paras.shift unless exe
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box = paras.shift || Class
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Thread.new do
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$SAFE = 4
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this = box.new *paras
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begin
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[:value, String === exe ? this.instance_eval( exe, "Safebox") : this.instance_eval( &exe)]
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rescue Object
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[:exception, $!]
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end
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end.value
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end
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def create_class *paras, &exe
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exe = paras.shift unless exe
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self.run Class, *paras do
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eval exe
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self
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end
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end
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alias new_class create_class
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def on_exception exc
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$stdout.puts "#{exc} (#{exc.class})\n\t#{exc.backtrace.join"\n\t"}"
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rescue Object
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on_exception $!
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end
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def eval *paras, &exe
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type, value = self.run( *paras, &exe)
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case type
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when :exception
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on_exception value
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nil
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when :value then value
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else # Not possible
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end
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end
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public :eval
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end
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end
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