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authortenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-06-05 22:42:58 +0000
committertenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-06-05 22:42:58 +0000
commit3f6eafaaa0707e11ef4b9fe5f13a1cc98de30388 (patch)
treedbe39b224c5f17a8d2f521fac78d8f7c9fc398af /ext/psych/lib/psych
parent88fda023aaa08ddb5b69fe4cb7e071ca23f13d26 (diff)
* 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 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46358 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/psych/lib/psych')
-rw-r--r--ext/psych/lib/psych/visitors/yaml_tree.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/ext/psych/lib/psych/visitors/yaml_tree.rb b/ext/psych/lib/psych/visitors/yaml_tree.rb
index ff0fcd2..96260da 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