Exception: Prism::CurrentVersionError

Inherits:
ArgumentError
  • Object
show all
Defined in:
lib/prism.rb

Overview

Raised when requested to parse as the currently running Ruby version but Prism has no support for it.

Instance Method Summary collapse

Constructor Details

#initialize(version) ⇒ CurrentVersionError

Initialize a new exception for the given ruby version string.



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# File 'lib/prism.rb', line 41

def initialize(version)
  message = +"invalid version: Requested to parse as `version: 'current'`; "
  segments =
    if version.match?(/\A\d+\.\d+.\d+\z/)
      version.split(".").map(&:to_i)
    end

  if segments && ((segments[0] < 3) || (segments[0] == 3 && segments[1] < 3))
    message << " #{version} is below the minimum supported syntax."
  else
    message << " #{version} is unknown. Please update the `prism` gem."
  end

  super(message)
end