Compile when running rake generate.

task/generate.rake

@@ -1,2 +1,2 @@
 desc 'Generates auto-generated files'
-task :generate => [:lexer, :parser]
+task :generate => [:lexer, :parser, :compile]

task/test.rake

@@ -1,4 +1,4 @@
 desc 'Runs the tests'
-task :test => [:generate, :compile] do
+task :test => [:generate] do
   sh 'rspec spec'
 end