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[ruby/pp] Only do RubyVM patches if class exists

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This class does not exist in any implementation except CRuby.

I would recommend moving this code somewhere else, like a separate
file loaded only on CRuby or into CRuby itself. For now this
change is sufficient to load the library on other implementations.

https://github.com/ruby/pp/commit/7d5a220f64
This commit is contained in:
Charles Oliver Nutter 2021-09-23 23:57:26 -05:00 committed by Hiroshi SHIBATA
parent de6ef2ca71
commit 5a6baaba38
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1 changed files with 30 additions and 28 deletions
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lib/pp.rb
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@ -539,7 +539,8 @@ class MatchData # :nodoc:
end end
end end
class RubyVM::AbstractSyntaxTree::Node if defined?(RubyVM::AbstractSyntaxTree)
class RubyVM::AbstractSyntaxTree::Node
def pretty_print_children(q, names = []) def pretty_print_children(q, names = [])
children.zip(names) do |c, n| children.zip(names) do |c, n|
if n if n
@ -571,6 +572,7 @@ class RubyVM::AbstractSyntaxTree::Node
end end
} }
end end
end
end end
class Object < BasicObject # :nodoc: class Object < BasicObject # :nodoc: