add some {-# LANGUAGE BangPatterns #-} to mollify GHC

[ghc-hetmet.git] / utils / genprimopcode / Lexer.x

diff --git a/utils/genprimopcode/Lexer.x b/utils/genprimopcode/Lexer.x
index 19b0f66..df710d7 100644 (file)
--- a/utils/genprimopcode/Lexer.x
+++ b/utils/genprimopcode/Lexer.x
@@ -1,10 +1,17 @@
 
 {
+{-# LANGUAGE BangPatterns #-} -- required for versions of Alex before 2.3.4
+{-# OPTIONS -w -Wwarn #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module Lexer (lex_tok) where
 
-import Control.Monad.State (StateT, get)
 import ParserM (ParserM (..), mkT, mkTv, Token(..), St, start_code,
-                StartCode, Action, set_start_code,
+                set_start_code,
                 inc_brace_depth, dec_brace_depth,
                 show_pos, position, input,
                 AlexInput, alexGetChar, alexInputPrevChar)