parse.y: indented hereoc

* parse.y: add heredoc <<~ syntax.  [Feature #9098]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52916 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 13 insertions, 0 deletions

diff --git a/test/ripper/test_parser_events.rb b/test/ripper/test_parser_events.rb
index 55485b68d0..540d36e4d9 100644
--- a/test/ripper/test_parser_events.rb
+++ b/test/ripper/test_parser_events.rb
@@ -431,6 +431,19 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
     assert_equal("heredoc1\nheredoc2\n", heredoc, bug1921)
   end
 
+  def test_heredoc_dedent
+    thru_heredoc_dedent = false
+    str = width = nil
+    tree = parse("<""<~EOS\n heredoc\nEOS\n", :on_heredoc_dedent) {|e, s, w|
+      thru_heredoc_dedent = true
+      str = s
+      width = w
+    }
+    assert_equal true, thru_heredoc_dedent
+    assert_match(/string_content\(\), heredoc\n/, tree)
+    assert_equal(1, width)
+  end
+
   def test_massign
     thru_massign = false
     parse("a, b = 1, 2", :on_massign) {thru_massign = true}