37 lines
1.1 KiB
Ruby
37 lines
1.1 KiB
Ruby
# Hack to JRuby 1.8's YAML Parser Yecht
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#
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# This file is always loaded AFTER either syck or psych are already
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# loaded. It then looks at what constants are available and creates
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# a consistent view on all rubys.
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#
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# Taken from rubygems and modified.
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# See https://github.com/rubygems/rubygems/blob/master/lib/rubygems/syck_hack.rb
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module YAML
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# In newer 1.9.2, there is a Syck toplevel constant instead of it
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# being underneith YAML. If so, reference it back under YAML as
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# well.
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if defined? ::Syck
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# for tests that change YAML::ENGINE
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# 1.8 does not support the second argument to const_defined?
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remove_const :Syck rescue nil
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Syck = ::Syck
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# JRuby's "Syck" is called "Yecht"
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elsif defined? YAML::Yecht
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Syck = YAML::Yecht
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end
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end
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# Sometime in the 1.9 dev cycle, the Syck constant was moved from under YAML
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# to be a toplevel constant. So gemspecs created under these versions of Syck
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# will have references to Syck::DefaultKey.
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#
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# So we need to be sure that we reference Syck at the toplevel too so that
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# we can always load these kind of gemspecs.
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#
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if !defined?(Syck)
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Syck = YAML::Syck
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end
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