From d74118a7d0d0b95e3525e5689491d529ff992065 Mon Sep 17 00:00:00 2001
From: simonpj <unknown>
Date: Thu, 20 Apr 2000 12:50:18 +0000
Subject: [PATCH] [project @ 2000-04-20 12:50:18 by simonpj] Dont strip
 directory prefix when printing src-locs

---
 ghc/compiler/basicTypes/MkId.lhs   |    5 +++--
 ghc/compiler/basicTypes/SrcLoc.lhs |    8 ++------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/ghc/compiler/basicTypes/MkId.lhs b/ghc/compiler/basicTypes/MkId.lhs
index 661e3f5..8d93e73 100644
--- a/ghc/compiler/basicTypes/MkId.lhs
+++ b/ghc/compiler/basicTypes/MkId.lhs
@@ -49,7 +49,7 @@ import Type		( Type, ClassContext, mkDictTy, mkDictTys, mkTyConApp, mkTyVarTys,
 			)
 import PprType		( pprParendType )
 import Module		( Module )
-import CoreUtils	( mkInlineMe )
+import CoreUtils	( exprType, mkInlineMe )
 import CoreUnfold 	( mkTopUnfolding, mkCompulsoryUnfolding, mkOtherCon )
 import Subst		( mkTopTyVarSubst, substClasses )
 import TyCon		( TyCon, isNewTyCon, tyConTyVars, tyConDataCons, isDataTyCon, 
@@ -429,9 +429,10 @@ there's nothing to do.
 ToDo: unify with mkRecordSelId.
 
 \begin{code}
-mkDictSelId name clas ty
+mkDictSelId name clas
   = sel_id
   where
+    ty	      = exprType rhs
     sel_id    = mkId name ty info
     field_lbl = mkFieldLabel name ty tag
     tag       = assoc "MkId.mkDictSelId" (classSelIds clas `zip` allFieldLabelTags) sel_id
diff --git a/ghc/compiler/basicTypes/SrcLoc.lhs b/ghc/compiler/basicTypes/SrcLoc.lhs
index 89947d7..3dccd51 100644
--- a/ghc/compiler/basicTypes/SrcLoc.lhs
+++ b/ghc/compiler/basicTypes/SrcLoc.lhs
@@ -132,12 +132,8 @@ instance Outputable SrcLoc where
 	   hcat [text "{-# LINE ", int IBOX(src_line), space,
 		 char '\"', ptext src_path, text " #-}"]
       where
-	src_file = remove_directory_prefix (unpackFS src_path)
-
-	remove_directory_prefix path = case break (== '/') path of
-					  (filename, [])           -> filename
-					  (prefix,   slash : rest) -> ASSERT( slash == '/' )
-								      remove_directory_prefix rest
+	src_file = unpackFS src_path	-- Leave the directory prefix intact,
+					-- so emacs can find the file
 
     ppr (UnhelpfulSrcLoc s) = ptext s
 
-- 
1.7.10.4