* parse.y (arg tMATCH arg): call reg_named_capture_assign_gen if regexp

  literal is used.
  (reg_named_capture_assign_gen): assign the result of named capture
  into local variables.
  [ruby-dev:32588]

* re.c: document the assignment by named captures.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/ruby/test_regexp.rb b/test/ruby/test_regexp.rb
index 5cb6c810da..b415c03aa1 100644
--- a/test/ruby/test_regexp.rb
+++ b/test/ruby/test_regexp.rb
@@ -95,6 +95,13 @@ class TestRegexp < Test::Unit::TestCase
     assert_equal({}, /(.)(.)/.named_captures)
   end
 
+  def test_assign_named_capture
+    assert_equal("a", eval('/(?<foo>.)/ =~ "a"; foo'))
+    assert_equal("a", eval('foo = 1; /(?<foo>.)/ =~ "a"; foo'))
+    assert_equal("a", eval('1.times {|foo| /(?<foo>.)/ =~ "a"; break foo }'))
+    assert_raise(SyntaxError) { eval('/(?<Foo>.)/ =~ "a"') }
+  end
+
   def test_match_regexp
     r = /./
     m = r.match("a")