vendored parslet, deemed stable enough and better without dependency

lib/parslet/atoms.rb

@@ -0,0 +1,35 @@
+
+# This is where parslets name comes from: Small parser atoms.
+#
+module Parslet::Atoms
+  # The precedence module controls parenthesis during the #inspect printing
+  # of parslets. It is not relevant to other aspects of the parsing. 
+  #
+  module Precedence
+    prec = 0
+    BASE       = (prec+=1)    # everything else
+    LOOKAHEAD  = (prec+=1)    # &SOMETHING
+    REPETITION = (prec+=1)    # 'a'+, 'a'?
+    SEQUENCE   = (prec+=1)    # 'a' 'b'
+    ALTERNATE  = (prec+=1)    # 'a' | 'b'
+    OUTER      = (prec+=1)    # printing is done here.
+  end
+  
+  require 'parslet/atoms/can_flatten'
+  require 'parslet/atoms/context'
+  require 'parslet/atoms/dsl'
+  require 'parslet/atoms/base'
+  require 'parslet/atoms/named'
+  require 'parslet/atoms/lookahead'
+  require 'parslet/atoms/alternative'
+  require 'parslet/atoms/sequence'
+  require 'parslet/atoms/repetition'
+  require 'parslet/atoms/re'
+  require 'parslet/atoms/str'
+  require 'parslet/atoms/entity'
+  require 'parslet/atoms/capture'
+  require 'parslet/atoms/dynamic'
+  require 'parslet/atoms/scope'
+  require 'parslet/atoms/infix'
+end
+