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# frozen_string_literal: true
module Kernel
rubygems_path = "#{__dir__}/" # Frames to be skipped start with this path.
original_warn = instance_method(:warn)
remove_method :warn
class << self
remove_method :warn
end
module_function define_method(:warn) {|*messages, **kw|
unless uplevel = kw[:uplevel]
if Gem.java_platform? && RUBY_VERSION < "3.1"
return original_warn.bind(self).call(*messages)
else
return original_warn.bind(self).call(*messages, **kw)
end
end
# Ensure `uplevel` fits a `long`
uplevel, = [uplevel].pack("l!").unpack("l!")
if uplevel >= 0
start = 0
while uplevel >= 0
loc, = caller_locations(start, 1)
unless loc
# No more backtrace
start += uplevel
break
end
start += 1
next unless path = loc.path
unless path.start_with?(rubygems_path, "<internal:")
# Non-rubygems frames
uplevel -= 1
end
end
kw[:uplevel] = start
end
original_warn.bind(self).call(*messages, **kw)
}
end
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