[Truffle] Fixed specs on Windows.

Author: nirvdrum

spec/truffle/truffle.mspec

@@ -4,12 +4,6 @@ class MSpecScript
     ENV.key?('WINDIR') || ENV.key?('windir')
   end
 
-  def self.path_separator
-    # This is going to be used in a regexp, so we need to escape the backslash character in the regexp as well,
-    # thus the double-escape here.
-    windows? ? "\\\\" : '/'
-  end
-
   set :target, File.join(File.dirname(__FILE__), "spec-wrapper#{windows? ? '.bat' : ''}")
 
   set :language, [
@@ -113,9 +107,9 @@ core += [
   ]
 
   set :tags_patterns, [
-                        [%r(^.*#{path_separator}language#{path_separator}),     'spec/truffle/tags/language/'],
-                        [%r(^.*#{path_separator}core#{path_separator}),         'spec/truffle/tags/core/'],
-                        [%r(^.*#{path_separator}rubysl#{path_separator}),       'spec/truffle/tags/rubysl/'],
+                        [%r(^.*/language/),     'spec/truffle/tags/language/'],
+                        [%r(^.*/core/),         'spec/truffle/tags/core/'],
+                        [%r(^.*/rubysl/),       'spec/truffle/tags/rubysl/'],
                         [/_spec.rb$/,           '_tags.txt']
                       ]
 

truffle/src/main/java/org/jruby/truffle/nodes/core/DirNodes.java

@@ -16,6 +16,7 @@
 
 import org.jruby.truffle.runtime.RubyContext;
 import org.jruby.truffle.runtime.core.RubyArray;
+import org.jruby.truffle.runtime.core.RubyFile;
 import org.jruby.truffle.runtime.core.RubyProc;
 import org.jruby.truffle.runtime.core.RubyString;
 
@@ -173,7 +174,7 @@ private static RubyArray glob(final RubyContext context, String glob) {
                     @Override
                     public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                         if (matcher.matches(file)) {
-                            array.slowPush(context.makeString(file.toString()));
+                            array.slowPush(context.makeString(RubyFile.expandPath(context, file.toString())));
                         }
 
                         return FileVisitResult.CONTINUE;