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# frozen_string_literal: true
# `uplevel` keyword argument of Kernel#warn is available since ruby 2.5.
if RUBY_VERSION >= "2.5"
module Kernel
path = "#{__dir__}/" # Frames to be skipped start with this path.
original_warn = 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?
return original_warn.call(*messages)
else
return original_warn.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
unless loc.path.start_with?(path)
# Non-rubygems frames
uplevel -= 1
end
end
uplevel = start
end
kw[:uplevel] = uplevel
original_warn.call(*messages, **kw)
}
end
end
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