+ Added Parser::Source::Range#to_range. (#697)

whitequark · May 22, 2020 · 54da73c · 54da73c
1 parent ea787b5
commit 54da73c
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diff --git a/lib/parser/source/range.rb b/lib/parser/source/range.rb
@@ -149,6 +149,13 @@ def to_a
         (@begin_pos...@end_pos).to_a
       end
 
+      ##
+      # @return [Range] a Ruby range with the same `begin_pos` and `end_pos`
+      #
+      def to_range
+        self.begin_pos...self.end_pos
+      end
+
       ##
       # Composes a GNU/Clang-style string representation of the beginning of this
       # range.

diff --git a/test/test_source_range.rb b/test/test_source_range.rb
@@ -155,6 +155,11 @@ def test_is?
     refute sr.is?('bar')
   end
 
+  def test_to_range
+    sr = Parser::Source::Range.new(@buf, 10, 20)
+    assert_equal (10...20), sr.to_range
+  end
+
   def test_to_s
     sr = Parser::Source::Range.new(@buf, 8, 9)
     assert_equal '(string):2:2', sr.to_s