Josh Triplett wrote:
> Package: alex
> Version: 2.3.5-2
> Severity: grave
>
> The fix for bug 623067 makes alex -g use bang patterns, but doesn't add
> the corresponding BangPatterns extension to the list of extensions in
> the LANGUAGE pragma at the top of the file. This makes the generated
> code fail to compile:
>
> dist/build/apters/apters-tmp/Scanner.hs:294:18:
> Illegal bang-pattern (use -XBangPatterns):
> ! (base)
Any idea which file is it that is missing this pragma? I've just
looked at the patch (which I generated) and it does add the pragma
to alex-2.3.5/src/Scan.x.
--- alex-2.3.5.orig/src/Scan.x
+++ alex-2.3.5/src/Scan.x
@@ -11,7 +11,7 @@
-------------------------------------------------------------------------------
{
-{-# OPTIONS_GHC -w #-}
+{-# OPTIONS_GHC -w -XBangPatterns #-}
module Scan(lexer, AlexPosn(..), Token(..), Tkn(..), tokPosn) where
I'm quite a regular user of alex and I'm surprised I haven't run
into this yet.
Cheers,
Erik
--
----------------------------------------------------------------------
Erik de Castro Lopo
http://www.mega-nerd.com/
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