JezK
Edit File: kernel_warn.rb
# frozen_string_literal: true # `uplevel` keyword argument of Kernel#warn is available since ruby 2.5. if RUBY_VERSION >= "2.5" && !Gem::KERNEL_WARN_IGNORES_INTERNAL_ENTRIES 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? 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 if path = loc.path unless path.start_with?(rubygems_path) or path.start_with?('<internal:') # Non-rubygems frames uplevel -= 1 end end end kw[:uplevel] = start end original_warn.bind(self).call(*messages, **kw) } end end