cop.rb in rubocop-0.21.0

- old
+ new

@@ -1,9 +1,11 @@
 # encoding: utf-8
 
 module Rubocop
   module Cop
+    class CorrectionNotPossible < Exception; end
+
     # Store for all cops with helper functions
     class CopStore < ::Array
       # @return [Array<String>] list of types for current cops.
       def types
         @types = map(&:cop_type).uniq! unless defined? @types
@@ -84,10 +86,14 @@
 
         @offenses = []
         @corrections = []
       end
 
+      def join_force?(_force_class)
+        false
+      end
+
       def cop_config
         @config.for_cop(self)
       end
 
       def autocorrect?
@@ -100,11 +106,11 @@
 
       def display_cop_names?
         debug? || @options[:display_cop_names]
       end
 
-      def message(node = nil)
+      def message(_node = nil)
         self.class::MSG
       end
 
       def support_autocorrect?
         respond_to?(:autocorrect, true)
@@ -121,13 +127,17 @@
         severity = custom_severity || severity || default_severity
 
         message ||= message(node)
         message = display_cop_names? ? "#{name}: #{message}" : message
 
-        autocorrect(node) if autocorrect?
-        @offenses << Offense.new(severity, location, message, name,
-                                 autocorrect?)
+        corrected = begin
+                      autocorrect(node) if autocorrect?
+                      autocorrect?
+                    rescue CorrectionNotPossible
+                      false
+                    end
+        @offenses << Offense.new(severity, location, message, name, corrected)
         yield if block_given?
       end
 
       def config_to_allow_offenses
         Formatter::DisabledConfigFormatter.config_to_allow_offenses[cop_name]
@@ -160,10 +170,12 @@
 
       def file_name_matches_any?(file, parameter, default_result)
         patterns = cop_config && cop_config[parameter]
         return default_result unless patterns
         path = config.path_relative_to_config(file)
-        patterns.any? { |pattern| match_path?(pattern, path) }
+        patterns.any? do |pattern|
+          match_path?(pattern, path, config.loaded_path)
+        end
       end
 
       def enabled_line?(line_number)
         return true unless @processed_source
         @processed_source.comment_config