t

firrtl.options

ExceptOnError

trait ExceptOnError extends AnyRef

OptionParser mixin that converts to OptionsException

Scopt, by default, will print errors to stderr, e.g., invalid arguments will do this. However, a Stage uses StageUtils.dramaticError. By converting this to an OptionsException, a Stage can then catch the error an convert it to an OptionsException that a Stage can get at.

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ExceptOnError with OptionParser[_]
Source
OptionParser.scala
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    (Since version ) see corresponding Javadoc for more information.

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