Merge psych-3.0.0.beta3 from ruby/psych.

  * Rely on encoding tags to determine if string should be dumped as binary.
    https://github.com/ruby/psych/commit/8949a47b8cee31e03e21608406ba116adcf74054
  * Specify "frozen_string_literal: true".
  * Support to binary release for mingw32 platform.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59327 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

39 files changed, 77 insertions, 52 deletions

diff --git a/ext/psych/extconf.rb b/ext/psych/extconf.rb
index be33d35a5e..6d8390ebe5 100644
--- a/ext/psych/extconf.rb
+++ b/ext/psych/extconf.rb
@@ -1,5 +1,5 @@
 # -*- coding: us-ascii -*-
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'mkmf'
 require 'fileutils'
 
diff --git a/ext/psych/lib/psych.rb b/ext/psych/lib/psych.rb
index 9959320a7f..e93ac8f406 100644
--- a/ext/psych/lib/psych.rb
+++ b/ext/psych/lib/psych.rb
@@ -1,11 +1,15 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/versions'
 case RUBY_ENGINE
 when 'jruby'
   require 'psych_jars'
   org.jruby.ext.psych.PsychLibrary.new.load(JRuby.runtime, false)
 else
-  require 'psych.so'
+  begin
+    require "#{RUBY_VERSION[/\d+\.\d+/]}/psych.so"
+  rescue LoadError
+    require 'psych.so'
+  end
 end
 require 'psych/nodes'
 require 'psych/streaming'
diff --git a/ext/psych/lib/psych/class_loader.rb b/ext/psych/lib/psych/class_loader.rb
index ba756f7ea7..cfca86845a 100644
--- a/ext/psych/lib/psych/class_loader.rb
+++ b/ext/psych/lib/psych/class_loader.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/omap'
 require 'psych/set'
 
diff --git a/ext/psych/lib/psych/coder.rb b/ext/psych/lib/psych/coder.rb
index 26005f57b4..96a9c3fbad 100644
--- a/ext/psych/lib/psych/coder.rb
+++ b/ext/psych/lib/psych/coder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   ###
   # If an object defines +encode_with+, then an instance of Psych::Coder will
diff --git a/ext/psych/lib/psych/core_ext.rb b/ext/psych/lib/psych/core_ext.rb
index 1232abf3d9..81055cc501 100644
--- a/ext/psych/lib/psych/core_ext.rb
+++ b/ext/psych/lib/psych/core_ext.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 class Object
   def self.yaml_tag url
     Psych.add_tag(url, self)
diff --git a/ext/psych/lib/psych/exception.rb b/ext/psych/lib/psych/exception.rb
index 83c3d7fa82..fac0c42b9f 100644
--- a/ext/psych/lib/psych/exception.rb
+++ b/ext/psych/lib/psych/exception.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   class Exception < RuntimeError
   end
diff --git a/ext/psych/lib/psych/handler.rb b/ext/psych/lib/psych/handler.rb
index 1ab5f73e95..1074c18f9e 100644
--- a/ext/psych/lib/psych/handler.rb
+++ b/ext/psych/lib/psych/handler.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   ###
   # Psych::Handler is an abstract base class that defines the events used
diff --git a/ext/psych/lib/psych/handlers/document_stream.rb b/ext/psych/lib/psych/handlers/document_stream.rb
index c43b39ebc5..67da794093 100644
--- a/ext/psych/lib/psych/handlers/document_stream.rb
+++ b/ext/psych/lib/psych/handlers/document_stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/tree_builder'
 
 module Psych
diff --git a/ext/psych/lib/psych/handlers/recorder.rb b/ext/psych/lib/psych/handlers/recorder.rb
index 341b81dec4..a8fc7b1144 100644
--- a/ext/psych/lib/psych/handlers/recorder.rb
+++ b/ext/psych/lib/psych/handlers/recorder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/handler'
 
 module Psych
diff --git a/ext/psych/lib/psych/json/ruby_events.rb b/ext/psych/lib/psych/json/ruby_events.rb
index 478eb667c7..17b7ddc386 100644
--- a/ext/psych/lib/psych/json/ruby_events.rb
+++ b/ext/psych/lib/psych/json/ruby_events.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module JSON
     module RubyEvents # :nodoc:
diff --git a/ext/psych/lib/psych/json/stream.rb b/ext/psych/lib/psych/json/stream.rb
index 83b7e13655..2ebd3d7a66 100644
--- a/ext/psych/lib/psych/json/stream.rb
+++ b/ext/psych/lib/psych/json/stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/json/ruby_events'
 require 'psych/json/yaml_events'
 
diff --git a/ext/psych/lib/psych/json/tree_builder.rb b/ext/psych/lib/psych/json/tree_builder.rb
index 2f94b8c252..5c2ee8ca25 100644
--- a/ext/psych/lib/psych/json/tree_builder.rb
+++ b/ext/psych/lib/psych/json/tree_builder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/json/yaml_events'
 
 module Psych
diff --git a/ext/psych/lib/psych/json/yaml_events.rb b/ext/psych/lib/psych/json/yaml_events.rb
index 07f64737c5..eb973f5361 100644
--- a/ext/psych/lib/psych/json/yaml_events.rb
+++ b/ext/psych/lib/psych/json/yaml_events.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module JSON
     module YAMLEvents # :nodoc:
diff --git a/ext/psych/lib/psych/nodes.rb b/ext/psych/lib/psych/nodes.rb
index 01573b509b..5842c2e3e5 100644
--- a/ext/psych/lib/psych/nodes.rb
+++ b/ext/psych/lib/psych/nodes.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/nodes/node'
 require 'psych/nodes/stream'
 require 'psych/nodes/document'
diff --git a/ext/psych/lib/psych/nodes/alias.rb b/ext/psych/lib/psych/nodes/alias.rb
index 716a00d62f..8131a4befb 100644
--- a/ext/psych/lib/psych/nodes/alias.rb
+++ b/ext/psych/lib/psych/nodes/alias.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Nodes
     ###
diff --git a/ext/psych/lib/psych/nodes/document.rb b/ext/psych/lib/psych/nodes/document.rb
index 7234fef1d8..3cd418eaf3 100644
--- a/ext/psych/lib/psych/nodes/document.rb
+++ b/ext/psych/lib/psych/nodes/document.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Nodes
     ###
diff --git a/ext/psych/lib/psych/nodes/mapping.rb b/ext/psych/lib/psych/nodes/mapping.rb
index 4c11df8cd6..b921ddc862 100644
--- a/ext/psych/lib/psych/nodes/mapping.rb
+++ b/ext/psych/lib/psych/nodes/mapping.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Nodes
     ###
diff --git a/ext/psych/lib/psych/nodes/node.rb b/ext/psych/lib/psych/nodes/node.rb
index e3621dc451..1c7672164d 100644
--- a/ext/psych/lib/psych/nodes/node.rb
+++ b/ext/psych/lib/psych/nodes/node.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'stringio'
 require 'psych/class_loader'
 require 'psych/scalar_scanner'
diff --git a/ext/psych/lib/psych/nodes/scalar.rb b/ext/psych/lib/psych/nodes/scalar.rb
index ee5570518e..b448858831 100644
--- a/ext/psych/lib/psych/nodes/scalar.rb
+++ b/ext/psych/lib/psych/nodes/scalar.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Nodes
     ###
diff --git a/ext/psych/lib/psych/nodes/sequence.rb b/ext/psych/lib/psych/nodes/sequence.rb
index 1096469567..77c2c602b9 100644
--- a/ext/psych/lib/psych/nodes/sequence.rb
+++ b/ext/psych/lib/psych/nodes/sequence.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Nodes
     ###
diff --git a/ext/psych/lib/psych/nodes/stream.rb b/ext/psych/lib/psych/nodes/stream.rb
index 559b0846e7..2474fe62c4 100644
--- a/ext/psych/lib/psych/nodes/stream.rb
+++ b/ext/psych/lib/psych/nodes/stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Nodes
     ###
diff --git a/ext/psych/lib/psych/omap.rb b/ext/psych/lib/psych/omap.rb
index 233b945c4a..29cde0be50 100644
--- a/ext/psych/lib/psych/omap.rb
+++ b/ext/psych/lib/psych/omap.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   class Omap < ::Hash
   end
diff --git a/ext/psych/lib/psych/parser.rb b/ext/psych/lib/psych/parser.rb
index 242512f89f..39bc8289be 100644
--- a/ext/psych/lib/psych/parser.rb
+++ b/ext/psych/lib/psych/parser.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   ###
   # YAML event parser class.  This class parses a YAML document and calls
diff --git a/ext/psych/lib/psych/scalar_scanner.rb b/ext/psych/lib/psych/scalar_scanner.rb
index 67c0cc3d4e..29c156c212 100644
--- a/ext/psych/lib/psych/scalar_scanner.rb
+++ b/ext/psych/lib/psych/scalar_scanner.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'strscan'
 
 module Psych
diff --git a/ext/psych/lib/psych/set.rb b/ext/psych/lib/psych/set.rb
index f35be15e6f..760d217098 100644
--- a/ext/psych/lib/psych/set.rb
+++ b/ext/psych/lib/psych/set.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   class Set < ::Hash
   end
diff --git a/ext/psych/lib/psych/stream.rb b/ext/psych/lib/psych/stream.rb
index 2f63d7d552..24e45afc3b 100644
--- a/ext/psych/lib/psych/stream.rb
+++ b/ext/psych/lib/psych/stream.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   ###
   # Psych::Stream is a streaming YAML emitter.  It will not buffer your YAML,
diff --git a/ext/psych/lib/psych/streaming.rb b/ext/psych/lib/psych/streaming.rb
index 260f8a8008..eb19792ad0 100644
--- a/ext/psych/lib/psych/streaming.rb
+++ b/ext/psych/lib/psych/streaming.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Streaming
     module ClassMethods
diff --git a/ext/psych/lib/psych/syntax_error.rb b/ext/psych/lib/psych/syntax_error.rb
index db293b9fb2..1598e6ff36 100644
--- a/ext/psych/lib/psych/syntax_error.rb
+++ b/ext/psych/lib/psych/syntax_error.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/exception'
 
 module Psych
diff --git a/ext/psych/lib/psych/tree_builder.rb b/ext/psych/lib/psych/tree_builder.rb
index d359c933af..b10fd5c5cd 100644
--- a/ext/psych/lib/psych/tree_builder.rb
+++ b/ext/psych/lib/psych/tree_builder.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/handler'
 
 module Psych
diff --git a/ext/psych/lib/psych/versions.rb b/ext/psych/lib/psych/versions.rb
index 3d61c8b015..49f8820246 100644
--- a/ext/psych/lib/psych/versions.rb
+++ b/ext/psych/lib/psych/versions.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   # The version is Psych you're using
   VERSION = '3.0.0.beta2'
diff --git a/ext/psych/lib/psych/visitors.rb b/ext/psych/lib/psych/visitors.rb
index 5dee4ebd7a..e2b084daee 100644
--- a/ext/psych/lib/psych/visitors.rb
+++ b/ext/psych/lib/psych/visitors.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/visitors/visitor'
 require 'psych/visitors/to_ruby'
 require 'psych/visitors/emitter'
diff --git a/ext/psych/lib/psych/visitors/depth_first.rb b/ext/psych/lib/psych/visitors/depth_first.rb
index 2d74a212d6..b4ff9e40e7 100644
--- a/ext/psych/lib/psych/visitors/depth_first.rb
+++ b/ext/psych/lib/psych/visitors/depth_first.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Visitors
     class DepthFirst < Psych::Visitors::Visitor
diff --git a/ext/psych/lib/psych/visitors/emitter.rb b/ext/psych/lib/psych/visitors/emitter.rb
index f2ff9fdb28..e3b92b7d03 100644
--- a/ext/psych/lib/psych/visitors/emitter.rb
+++ b/ext/psych/lib/psych/visitors/emitter.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Visitors
     class Emitter < Psych::Visitors::Visitor
diff --git a/ext/psych/lib/psych/visitors/json_tree.rb b/ext/psych/lib/psych/visitors/json_tree.rb
index f2f0215cd2..9912cb1362 100644
--- a/ext/psych/lib/psych/visitors/json_tree.rb
+++ b/ext/psych/lib/psych/visitors/json_tree.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/json/ruby_events'
 
 module Psych
diff --git a/ext/psych/lib/psych/visitors/to_ruby.rb b/ext/psych/lib/psych/visitors/to_ruby.rb
index d1318b3ca0..74a52df866 100644
--- a/ext/psych/lib/psych/visitors/to_ruby.rb
+++ b/ext/psych/lib/psych/visitors/to_ruby.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/scalar_scanner'
 require 'psych/class_loader'
 require 'psych/exception'
diff --git a/ext/psych/lib/psych/visitors/visitor.rb b/ext/psych/lib/psych/visitors/visitor.rb
index d97bf550f6..3f4ba64e57 100644
--- a/ext/psych/lib/psych/visitors/visitor.rb
+++ b/ext/psych/lib/psych/visitors/visitor.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Psych
   module Visitors
     class Visitor
diff --git a/ext/psych/lib/psych/visitors/yaml_tree.rb b/ext/psych/lib/psych/visitors/yaml_tree.rb
index e197a30611..cfed8f1814 100644
--- a/ext/psych/lib/psych/visitors/yaml_tree.rb
+++ b/ext/psych/lib/psych/visitors/yaml_tree.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 require 'psych/tree_builder'
 require 'psych/scalar_scanner'
 require 'psych/class_loader'
@@ -321,7 +321,7 @@ module Psych
           end
           @emitter.scalar o, nil, tag, plain, quote, style
         else
-          maptag = '!ruby/string'
+          maptag = '!ruby/string'.dup
           maptag << ":#{o.class}" unless o.class == ::String
 
           register o, @emitter.start_mapping(nil, maptag, false, Nodes::Mapping::BLOCK)
@@ -378,14 +378,18 @@ module Psych
 
       def visit_Array o
         if o.class == ::Array
-          register o, @emitter.start_sequence(nil, nil, true, Nodes::Sequence::BLOCK)
-          o.each { |c| accept c }
-          @emitter.end_sequence
+          visit_Enumerator o
         else
           visit_array_subclass o
         end
       end
 
+      def visit_Enumerator o
+        register o, @emitter.start_sequence(nil, nil, true, Nodes::Sequence::BLOCK)
+        o.each { |c| accept c }
+        @emitter.end_sequence
+      end
+
       def visit_NilClass o
         @emitter.scalar('', nil, 'tag:yaml.org,2002:null', true, false, Nodes::Scalar::ANY)
       end
@@ -411,15 +415,9 @@ module Psych
       end
 
       private
-      # FIXME: Remove the index and count checks in Psych 3.0
-      NULL         = "\x00"
-      BINARY_RANGE = "\x00-\x7F"
-      WS_RANGE     = "^ -~\t\r\n"
 
       def binary? string
-        (string.encoding == Encoding::ASCII_8BIT && !string.ascii_only?) ||
-          string.index(NULL) ||
-          string.count(BINARY_RANGE, WS_RANGE).fdiv(string.length) > 0.3
+        string.encoding == Encoding::ASCII_8BIT && !string.ascii_only?
       end
 
       def visit_array_subclass o
diff --git a/ext/psych/lib/psych/y.rb b/ext/psych/lib/psych/y.rb
index 82e05a783c..e857953c04 100644
--- a/ext/psych/lib/psych/y.rb
+++ b/ext/psych/lib/psych/y.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 module Kernel
   ###
   # An alias for Psych.dump_stream meant to be used with IRB.
diff --git a/ext/psych/psych.gemspec b/ext/psych/psych.gemspec
index c0ec5c5334..06073735dd 100644
--- a/ext/psych/psych.gemspec
+++ b/ext/psych/psych.gemspec
@@ -1,4 +1,5 @@
 # -*- encoding: utf-8 -*-
+# frozen_string_literal: true
 
 Gem::Specification.new do |s|
   s.name = "psych"
@@ -17,7 +18,25 @@ DESCRIPTION
   s.require_paths = ["lib"]
 
   # for ruby core repository. It was generated by `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
-  s.files = [".gitignore", ".travis.yml", "CHANGELOG.rdoc", "Gemfile", "Mavenfile", "README.md", "Rakefile", "bin/console", "bin/setup", "ext/psych/.gitignore", "ext/psych/depend", "ext/psych/extconf.rb", "ext/psych/psych.c", "ext/psych/psych.h", "ext/psych/psych_emitter.c", "ext/psych/psych_emitter.h", "ext/psych/psych_parser.c", "ext/psych/psych_parser.h", "ext/psych/psych_to_ruby.c", "ext/psych/psych_to_ruby.h", "ext/psych/psych_yaml_tree.c", "ext/psych/psych_yaml_tree.h", "ext/psych/yaml/LICENSE", "ext/psych/yaml/api.c", "ext/psych/yaml/config.h", "ext/psych/yaml/dumper.c", "ext/psych/yaml/emitter.c", "ext/psych/yaml/loader.c", "ext/psych/yaml/parser.c", "ext/psych/yaml/reader.c", "ext/psych/yaml/scanner.c", "ext/psych/yaml/writer.c", "ext/psych/yaml/yaml.h", "ext/psych/yaml/yaml_private.h", "lib/psych.rb", "lib/psych/class_loader.rb", "lib/psych/coder.rb", "lib/psych/core_ext.rb", "lib/psych/exception.rb", "lib/psych/handler.rb", "lib/psych/handlers/document_stream.rb", "lib/psych/handlers/recorder.rb", "lib/psych/json/ruby_events.rb", "lib/psych/json/stream.rb", "lib/psych/json/tree_builder.rb", "lib/psych/json/yaml_events.rb", "lib/psych/nodes.rb", "lib/psych/nodes/alias.rb", "lib/psych/nodes/document.rb", "lib/psych/nodes/mapping.rb", "lib/psych/nodes/node.rb", "lib/psych/nodes/scalar.rb", "lib/psych/nodes/sequence.rb", "lib/psych/nodes/stream.rb", "lib/psych/omap.rb", "lib/psych/parser.rb", "lib/psych/scalar_scanner.rb", "lib/psych/set.rb", "lib/psych/stream.rb", "lib/psych/streaming.rb", "lib/psych/syntax_error.rb", "lib/psych/tree_builder.rb", "lib/psych/versions.rb", "lib/psych/visitors.rb","lib/psych/visitors/depth_first.rb", "lib/psych/visitors/emitter.rb", "lib/psych/visitors/json_tree.rb", "lib/psych/visitors/to_ruby.rb", "lib/psych/visitors/visitor.rb", "lib/psych/visitors/yaml_tree.rb", "lib/psych/y.rb", "psych.gemspec"]
+  s.files = [
+    ".gitignore", ".travis.yml", "CHANGELOG.rdoc", "Gemfile", "Mavenfile", "README.md", "Rakefile", "bin/console",
+    "bin/setup", "ext/psych/.gitignore", "ext/psych/depend", "ext/psych/extconf.rb", "ext/psych/psych.c", "ext/psych/psych.h",
+    "ext/psych/psych_emitter.c", "ext/psych/psych_emitter.h", "ext/psych/psych_parser.c", "ext/psych/psych_parser.h",
+    "ext/psych/psych_to_ruby.c", "ext/psych/psych_to_ruby.h", "ext/psych/psych_yaml_tree.c", "ext/psych/psych_yaml_tree.h",
+    "ext/psych/yaml/LICENSE", "ext/psych/yaml/api.c", "ext/psych/yaml/config.h", "ext/psych/yaml/dumper.c",
+    "ext/psych/yaml/emitter.c", "ext/psych/yaml/loader.c", "ext/psych/yaml/parser.c", "ext/psych/yaml/reader.c",
+    "ext/psych/yaml/scanner.c", "ext/psych/yaml/writer.c", "ext/psych/yaml/yaml.h", "ext/psych/yaml/yaml_private.h",
+    "lib/psych.rb", "lib/psych/class_loader.rb", "lib/psych/coder.rb", "lib/psych/core_ext.rb", "lib/psych/exception.rb",
+    "lib/psych/handler.rb", "lib/psych/handlers/document_stream.rb", "lib/psych/handlers/recorder.rb",
+    "lib/psych/json/ruby_events.rb", "lib/psych/json/stream.rb", "lib/psych/json/tree_builder.rb",
+    "lib/psych/json/yaml_events.rb", "lib/psych/nodes.rb", "lib/psych/nodes/alias.rb", "lib/psych/nodes/document.rb",
+    "lib/psych/nodes/mapping.rb", "lib/psych/nodes/node.rb", "lib/psych/nodes/scalar.rb", "lib/psych/nodes/sequence.rb",
+    "lib/psych/nodes/stream.rb", "lib/psych/omap.rb", "lib/psych/parser.rb", "lib/psych/scalar_scanner.rb",
+    "lib/psych/set.rb", "lib/psych/stream.rb", "lib/psych/streaming.rb", "lib/psych/syntax_error.rb",
+    "lib/psych/tree_builder.rb", "lib/psych/versions.rb", "lib/psych/visitors.rb","lib/psych/visitors/depth_first.rb",
+    "lib/psych/visitors/emitter.rb", "lib/psych/visitors/json_tree.rb", "lib/psych/visitors/to_ruby.rb",
+    "lib/psych/visitors/visitor.rb", "lib/psych/visitors/yaml_tree.rb", "lib/psych/y.rb", "psych.gemspec"
+  ]
 
   s.rdoc_options = ["--main", "README.md"]
   s.extra_rdoc_files = ["CHANGELOG.rdoc", "README.md"]
@@ -31,11 +50,15 @@ DESCRIPTION
 
   if RUBY_ENGINE == 'jruby'
     s.platform = 'java'
-    s.files.concat ["ext/java/PsychEmitter.java", "ext/java/PsychLibrary.java", "ext/java/PsychParser.java", "ext/java/PsychToRuby.java", "ext/java/PsychYamlTree.java", "lib/psych_jars.rb", "lib/psych.jar"]
+    s.files.concat [
+      "ext/java/PsychEmitter.java", "ext/java/PsychLibrary.java", "ext/java/PsychParser.java", "ext/java/PsychToRuby.java",
+      "ext/java/PsychYamlTree.java", "lib/psych_jars.rb", "lib/psych.jar"
+    ]
     s.requirements = "jar org.yaml:snakeyaml, 1.18"
     s.add_dependency 'jar-dependencies', '>= 0.1.7'
     s.add_development_dependency 'ruby-maven'
   else
     s.extensions = ["ext/psych/extconf.rb"]
+    s.add_development_dependency 'rake-compiler-dock', ">= 0.6.1"
   end
 end