From 2c690a0f5b36896da9b003d4e24159a27ebd7f71 Mon Sep 17 00:00:00 2001
From: Robert Pankowecki <robert.pankowecki@gmail.com>
Date: Mon, 25 Jul 2011 21:05:06 +0200
Subject: extend ActiveSupport::Deprecation with self, allow other objects to
 extend/include it also.

test local deprecation

deprecator object

Test ActiveSupport::Deprecation when included
---
 .../lib/active_support/deprecation/reporting.rb    | 117 ++++++++++-----------
 1 file changed, 58 insertions(+), 59 deletions(-)

(limited to 'activesupport/lib/active_support/deprecation/reporting.rb')

diff --git a/activesupport/lib/active_support/deprecation/reporting.rb b/activesupport/lib/active_support/deprecation/reporting.rb
index a1e9618084..69de79b93c 100644
--- a/activesupport/lib/active_support/deprecation/reporting.rb
+++ b/activesupport/lib/active_support/deprecation/reporting.rb
@@ -1,74 +1,73 @@
 module ActiveSupport
   module Deprecation
-    class << self
-      attr_accessor :silenced
+    attr_accessor :silenced
 
-      # Outputs a deprecation warning to the output configured by
-      # <tt>ActiveSupport::Deprecation.behavior</tt>.
-      #
-      #   ActiveSupport::Deprecation.warn("something broke!")
-      #   # => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"
-      def warn(message = nil, callstack = caller)
-        return if silenced
-        deprecation_message(callstack, message).tap do |m|
-          behavior.each { |b| b.call(m, callstack) }
-        end
+    # Outputs a deprecation warning to the output configured by
+    # <tt>ActiveSupport::Deprecation.behavior</tt>.
+    #
+    #   ActiveSupport::Deprecation.warn("something broke!")
+    #   # => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"
+    def warn(message = nil, callstack = caller)
+      return if silenced
+      deprecation_message(callstack, message).tap do |m|
+        behavior.each { |b| b.call(m, callstack) }
       end
+    end
 
-      # Silence deprecation warnings within the block.
-      #
-      #   ActiveSupport::Deprecation.warn("something broke!")
-      #   # => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"
-      #
-      #   ActiveSupport::Deprecation.silence do
-      #     ActiveSupport::Deprecation.warn("something broke!")
-      #   end
-      #   # => nil
-      def silence
-        old_silenced, @silenced = @silenced, true
-        yield
-      ensure
-        @silenced = old_silenced
-      end
+    # Silence deprecation warnings within the block.
+    #
+    #   ActiveSupport::Deprecation.warn("something broke!")
+    #   # => "DEPRECATION WARNING: something broke! (called from your_code.rb:1)"
+    #
+    #   ActiveSupport::Deprecation.silence do
+    #     ActiveSupport::Deprecation.warn("something broke!")
+    #   end
+    #   # => nil
+    def silence
+      old_silenced, @silenced = @silenced, true
+      yield
+    ensure
+      @silenced = old_silenced
+    end
 
-      def deprecated_method_warning(method_name, message = nil)
-        warning = "#{method_name} is deprecated and will be removed from Rails #{deprecation_horizon}"
-        case message
-          when Symbol then "#{warning} (use #{message} instead)"
-          when String then "#{warning} (#{message})"
-          else warning
-        end
+    def deprecated_method_warning(method_name, message = nil)
+      warning = "#{method_name} is deprecated and will be removed from Rails #{deprecation_horizon}"
+      case message
+      when Symbol then warning << " (use #{message} instead)"
+      when String then warning << " (#{message})"
       end
+      warning
+    end
 
-      private
-        def deprecation_message(callstack, message = nil)
-          message ||= "You are using deprecated behavior which will be removed from the next major or minor release."
-          message += '.' unless message =~ /\.$/
-          "DEPRECATION WARNING: #{message} #{deprecation_caller_message(callstack)}"
-        end
+    private
+    
+    def deprecation_message(callstack, message = nil)
+      message ||= "You are using deprecated behavior which will be removed from the next major or minor release."
+      message += '.' unless message =~ /\.$/
+      "DEPRECATION WARNING: #{message} #{deprecation_caller_message(callstack)}"
+    end
 
-        def deprecation_caller_message(callstack)
-          file, line, method = extract_callstack(callstack)
-          if file
-            if line && method
-              "(called from #{method} at #{file}:#{line})"
-            else
-              "(called from #{file}:#{line})"
-            end
-          end
+    def deprecation_caller_message(callstack)
+      file, line, method = extract_callstack(callstack)
+      if file
+        if line && method
+          "(called from #{method} at #{file}:#{line})"
+        else
+          "(called from #{file}:#{line})"
         end
+      end
+    end
 
-        def extract_callstack(callstack)
-          rails_gem_root = File.expand_path("../../../../..", __FILE__) + "/"
-          offending_line = callstack.find { |line| !line.start_with?(rails_gem_root) } || callstack.first
-          if offending_line
-            if md = offending_line.match(/^(.+?):(\d+)(?::in `(.*?)')?/)
-              md.captures
-            else
-              offending_line
-            end
-          end
+    def extract_callstack(callstack)
+      rails_gem_root = File.expand_path("../../../../..", __FILE__) + "/"
+      offending_line = callstack.find { |line| !line.start_with?(rails_gem_root) } || callstack.first
+      if offending_line
+        if md = offending_line.match(/^(.+?):(\d+)(?::in `(.*?)')?/)
+          md.captures
+        else
+          offending_line
         end
+      end
     end
   end
 end
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