diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | ext/psych/lib/psych/visitors/yaml_tree.rb | 6 | ||||
| -rw-r--r-- | test/psych/test_symbol.rb | 8 |
3 files changed, 19 insertions, 1 deletions
@@ -1,3 +1,9 @@ +Fri Jun 6 07:41:41 2014 Aaron Patterson <aaron@tenderlovemaking.com> + + * ext/psych/lib/psych/visitors/yaml_tree.rb: dump empty symbols with a + tag so that they can be parsed on input. [Bug #9873] [ruby-core:62825] + * test/psych/test_symbol.rb: test for change + Thu Jun 5 16:08:39 2014 Koichi Sasada <ko1@atdot.net> * gc.c (gc_page_sweep): refactoring. diff --git a/ext/psych/lib/psych/visitors/yaml_tree.rb b/ext/psych/lib/psych/visitors/yaml_tree.rb index ff0fcd204c..96260daffa 100644 --- a/ext/psych/lib/psych/visitors/yaml_tree.rb +++ b/ext/psych/lib/psych/visitors/yaml_tree.rb @@ -378,7 +378,11 @@ module Psych end def visit_Symbol o - @emitter.scalar ":#{o}", nil, nil, true, false, Nodes::Scalar::ANY + if o.empty? + @emitter.scalar "", nil, '!ruby/symbol', false, false, Nodes::Scalar::ANY + else + @emitter.scalar ":#{o}", nil, nil, true, false, Nodes::Scalar::ANY + end end private diff --git a/test/psych/test_symbol.rb b/test/psych/test_symbol.rb index 2b4470d184..558a672886 100644 --- a/test/psych/test_symbol.rb +++ b/test/psych/test_symbol.rb @@ -2,6 +2,14 @@ require_relative 'helper' module Psych class TestSymbol < TestCase + def test_cycle_empty + assert_cycle :'' + end + + def test_cycle_colon + assert_cycle :':' + end + def test_cycle assert_cycle :a end |