refactor: extract ReVIEW::Location

lib/review/compiler.rb

@@ -9,32 +9,10 @@
 require 'review/extentions'
 require 'review/preprocessor'
 require 'review/exception'
+require 'review/location'
 require 'strscan'
 
 module ReVIEW
-  class Location
-    def initialize(filename, f)
-      @filename = filename
-      @f = f
-    end
-
-    attr_reader :filename
-
-    def lineno
-      @f.lineno
-    end
-
-    def string
-      begin
-        "#{@filename}:#{@f.lineno}"
-      rescue
-        "#{@filename}:nil"
-      end
-    end
-
-    alias_method :to_s, :string
-  end
-
   class Compiler
     def initialize(strategy)
       @strategy = strategy

lib/review/location.rb

@@ -0,0 +1,32 @@
+# Copyright (c) 2009-2019 Minero Aoki, Kenshi Muto, Masayoshi Takahashi
+# Copyright (c) 2002-2007 Minero Aoki
+#
+# This program is free software.
+# You can distribute or modify this program under the terms of
+# the GNU LGPL, Lesser General Public License version 2.1.
+#
+
+module ReVIEW
+  class Location
+    def initialize(filename, f)
+      @filename = filename
+      @f = f
+    end
+
+    attr_reader :filename
+
+    def lineno
+      @f.lineno
+    end
+
+    def string
+      begin
+        "#{@filename}:#{@f.lineno}"
+      rescue
+        "#{@filename}:nil"
+      end
+    end
+
+    alias_method :to_s, :string
+  end
+end