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Direktori : /opt/alt/ruby25/lib64/ruby/2.5.0/rubygems/ |
Current File : //opt/alt/ruby25/lib64/ruby/2.5.0/rubygems/deprecate.rb |
# frozen_string_literal: true ## # Provides a single method +deprecate+ to be used to declare when # something is going away. # # class Legacy # def self.klass_method # # ... # end # # def instance_method # # ... # end # # extend Gem::Deprecate # deprecate :instance_method, "X.z", 2011, 4 # # class << self # extend Gem::Deprecate # deprecate :klass_method, :none, 2011, 4 # end # end module Gem::Deprecate def self.skip # :nodoc: @skip ||= false end def self.skip= v # :nodoc: @skip = v end ## # Temporarily turn off warnings. Intended for tests only. def skip_during Gem::Deprecate.skip, original = true, Gem::Deprecate.skip yield ensure Gem::Deprecate.skip = original end ## # Simple deprecation method that deprecates +name+ by wrapping it up # in a dummy method. It warns on each call to the dummy method # telling the user of +repl+ (unless +repl+ is :none) and the # year/month that it is planned to go away. def deprecate name, repl, year, month class_eval { old = "_deprecated_#{name}" alias_method old, name define_method name do |*args, &block| klass = self.kind_of? Module target = klass ? "#{self}." : "#{self.class}#" msg = [ "NOTE: #{target}#{name} is deprecated", repl == :none ? " with no replacement" : "; use #{repl} instead", ". It will be removed on or after %4d-%02d-01." % [year, month], "\n#{target}#{name} called from #{Gem.location_of_caller.join(":")}", ] warn "#{msg.join}." unless Gem::Deprecate.skip send old, *args, &block end } end module_function :deprecate, :skip_during end