ruby/lib/rubygems/core_ext/kernel_warn.rb
nobu d5a7c704ac Kernel#warn accepts multiple messages
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-09-24 13:04:40 +00:00

21 lines
566 B
Ruby
Executable file

# frozen_string_literal: true
if RUBY_VERSION >= "2.5"
module Kernel
path = "#{__dir__}/"
original_warn = instance_method(:warn)
Module.new {define_method(:warn, original_warn)}
original_warn = method(:warn)
module_function define_method(:warn) {|*messages, uplevel: nil|
if uplevel
while (loc, = caller_locations(uplevel, 1); loc && loc.path.start_with?(path))
uplevel += 1
end
original_warn.call(*messages, uplevel: uplevel)
else
original_warn.call(*messages)
end
}
end
end