From: Roman Leshchinskiy <rl@cse.unsw.edu.au>
Date: Tue, 10 Jul 2007 11:35:43 +0000 (+0000)
Subject: Add dsLookupClass
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=84e81d9b4b087324c2f9d1e3011c795febc3044e;p=ghc-hetmet.git

Add dsLookupClass
---

diff --git a/compiler/deSugar/DsMonad.lhs b/compiler/deSugar/DsMonad.lhs
index c9fe054..a38b291 100644
--- a/compiler/deSugar/DsMonad.lhs
+++ b/compiler/deSugar/DsMonad.lhs
@@ -20,6 +20,7 @@ module DsMonad (
 	UniqSupply, newUniqueSupply,
 	getDOptsDs, getGhcModeDs, doptDs,
 	dsLookupGlobal, dsLookupGlobalId, dsLookupTyCon, dsLookupDataCon,
+        dsLookupClass,
 
 	DsMetaEnv, DsMetaVal(..), dsLookupMetaEnv, dsExtendMetaEnv,
 
@@ -43,6 +44,7 @@ import HscTypes
 import Bag
 import DataCon
 import TyCon
+import Class
 import Id
 import Module
 import Var
@@ -314,6 +316,11 @@ dsLookupDataCon :: Name -> DsM DataCon
 dsLookupDataCon name
   = dsLookupGlobal name		`thenDs` \ thing ->
     returnDs (tyThingDataCon thing)
+
+dsLookupClass :: Name -> DsM Class
+dsLookupClass name
+  = dsLookupGlobal name         `thenDs` \ thing ->
+    returnDs (tyThingClass thing)
 \end{code}
 
 \begin{code}