version 0.7.7.2, fixed jruby support and improved `cd` command so it

can operate on arbitrary expressions

lib/pry/commands.rb

@@ -176,9 +176,7 @@ class Pry
       meth_name = meth_name_from_binding.call(target)
       meth_name = "N/A" if !meth_name
 
-      # FIX ME!!! this line is screwed
-      # check_for_dynamically_defined_method.call()
-      if file =~ /(\(.*\))|<.*>/
+      if file =~ /(\(.*\))|<.*>/ || file == ""
         output.puts "Cannot find local context. Did you use `binding.pry` ?"
         next
       end
@@ -463,7 +461,7 @@ e.g: eval-file -c self "hello.rb"
         next
       end    
 
-      target.eval("#{obj}.pry")
+      target.eval("#{obj}").pry
     end
 
     process_comment_markup = lambda do |comment, code_type|

lib/pry/hooks.rb

@@ -11,7 +11,7 @@ class Pry
       file = target.eval('__FILE__')
 
       # /unknown/ for rbx
-      if file !~ /(\(.*\))|<.*>/ && file !~ /__unknown__/
+      if file !~ /(\(.*\))|<.*>/ && file !~ /__unknown__/ && file != ""
         Pry.run_command "whereami", :output => out, :show_output => true, :context => target, :commands => Pry::Commands
       end
     end,

lib/pry/version.rb

@@ -1,3 +1,3 @@
 class Pry
-  VERSION = "0.7.7.1"
+  VERSION = "0.7.7.2"
 end