Add Rakefile task for running ruby parse server.

parsers/ruby/Rakefile

@@ -0,0 +1,5 @@
+require File.expand_path('../lib/parse_server.rb', __FILE__)
+
+task :start_server do |t|
+    start_server
+end

parsers/ruby/lib/parse_server.rb

@@ -12,22 +12,25 @@ def pack_int(i)
     return bytes.pack('cccc')
 end
 
-server = TCPServer.new 5003
 
-loop do
-    # Start a new thread for each client accepted
-    Thread.start(server.accept) do |client|
-        begin
-            # Get the amount of data to be read
-            size = (client.readline).to_i
-            p = Bitshift::Parser.new client.read(size)
-            # Get the parsed result
-            symbols = p.parse
-            client.puts pack_int(symbols.length)
-            client.puts symbols
-        ensure
-            # Close the socket
-            client.close
+def start_server
+    server = TCPServer.new 5003
+
+    loop do
+        # Start a new thread for each client accepted
+        Thread.start(server.accept) do |client|
+            begin
+                # Get the amount of data to be read
+                size = (client.readline).to_i
+                p = Bitshift::Parser.new client.read(size)
+                # Get the parsed result
+                symbols = p.parse
+                client.puts pack_int(symbols.length)
+                client.puts symbols
+            ensure
+                # Close the socket
+                client.close
+            end
         end
     end
 end