From: Matthijs Kooijman <m.kooijman@student.utwente.nl>
Date: Thu, 9 Apr 2009 15:58:59 +0000 (+0200)
Subject: Add sized_word_len, which gets the length from a SizedWord type.
X-Git-Url: https://git.stderr.nl/gitweb?a=commitdiff_plain;ds=inline;h=6cd03137e536e134852490f5a736a526cd014da9;p=matthijs%2Fmaster-project%2Fc%CE%BBash.git

Add sized_word_len, which gets the length from a SizedWord type.
---

diff --git a/CoreTools.hs b/CoreTools.hs
index 1e71eb1..31af5f8 100644
--- a/CoreTools.hs
+++ b/CoreTools.hs
@@ -41,3 +41,12 @@ eval_tfp_int ty =
 
     core <- toCore expr
     execCore core 
+
+-- | Get the length of a SizedWord type
+sized_word_len :: Type.Type -> Int
+sized_word_len ty =
+  eval_tfp_int len
+  where 
+    (tycon, args) = Type.splitTyConApp ty
+    [len] = args
+