57 lines
1.3 KiB
Ruby
57 lines
1.3 KiB
Ruby
module Concurrent
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module Utility
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# @!visibility private
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module EngineDetector
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def on_jruby?
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ruby_engine == 'jruby'
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end
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def on_jruby_9000?
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on_jruby? && ruby_version(JRUBY_VERSION, :>=, 9, 0, 0)
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end
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def on_cruby?
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ruby_engine == 'ruby'
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end
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def on_rbx?
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ruby_engine == 'rbx'
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end
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def on_truffleruby?
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ruby_engine == 'truffleruby'
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end
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def on_windows?
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!(RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/).nil?
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end
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def on_osx?
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!(RbConfig::CONFIG['host_os'] =~ /darwin|mac os/).nil?
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end
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def on_linux?
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!(RbConfig::CONFIG['host_os'] =~ /linux/).nil?
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end
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def ruby_engine
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defined?(RUBY_ENGINE) ? RUBY_ENGINE : 'ruby'
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end
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def ruby_version(version = RUBY_VERSION, comparison, major, minor, patch)
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result = (version.split('.').map(&:to_i) <=> [major, minor, patch])
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comparisons = { :== => [0],
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:>= => [1, 0],
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:<= => [-1, 0],
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:> => [1],
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:< => [-1] }
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comparisons.fetch(comparison).include? result
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end
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end
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end
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# @!visibility private
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extend Utility::EngineDetector
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end
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