From 77ffb1afd2eca3c338e7e7059827f6813ec81198 Mon Sep 17 00:00:00 2001
From: Ian Lynagh <igloo@earth.li>
Date: Thu, 9 Jun 2011 15:48:22 +0100
Subject: [PATCH] Follow Src{Loc,Span} changes in other parts of the tree

---
 compiler/main/GHC.hs  |    4 ++--
 ghc/GhciTags.hs       |    1 -
 utils/ghctags/Main.hs |    9 ++++++---
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/compiler/main/GHC.hs b/compiler/main/GHC.hs
index 3a054e1..5f7139c 100644
--- a/compiler/main/GHC.hs
+++ b/compiler/main/GHC.hs
@@ -186,10 +186,10 @@ module GHC (
 	compareFixity,
 
 	-- ** Source locations
-	SrcLoc, pprDefnLoc,
+	SrcLoc(..), RealSrcLoc, pprDefnLoc,
         mkSrcLoc, noSrcLoc,
 	srcLocFile, srcLocLine, srcLocCol,
-        SrcSpan,
+        SrcSpan(..), RealSrcSpan,
         mkSrcSpan, srcLocSpan, isGoodSrcSpan, noSrcSpan,
         srcSpanStart, srcSpanEnd,
 	srcSpanFile, 
diff --git a/ghc/GhciTags.hs b/ghc/GhciTags.hs
index ffec5be..95bc83e 100644
--- a/ghc/GhciTags.hs
+++ b/ghc/GhciTags.hs
@@ -18,7 +18,6 @@ import GHC
 import GhciMonad
 import Outputable
 import Util
-import SrcLoc
 
 -- ToDo: figure out whether we need these, and put something appropriate
 -- into the GHC API instead
diff --git a/utils/ghctags/Main.hs b/utils/ghctags/Main.hs
index c86a92a..4ba8157 100644
--- a/utils/ghctags/Main.hs
+++ b/utils/ghctags/Main.hs
@@ -16,6 +16,7 @@ import Bag
 import Exception
 import FastString
 import MonadUtils       ( liftIO )
+import SrcLoc
 
 -- Every GHC comes with Cabal anyways, so this is not a bad new dependency
 import Distribution.Simple.GHC ( ghcOptions )
@@ -49,7 +50,7 @@ type FileName = String
 type ThingName = String -- name of a defined entity in a Haskell program
 
 -- A definition we have found (we know its containing module, name, and location)
-data FoundThing = FoundThing ModuleName ThingName SrcLoc
+data FoundThing = FoundThing ModuleName ThingName RealSrcLoc
 
 -- Data we have obtained from a file (list of things we found)
 data FileData = FileData FileName [FoundThing] (Map Int String)
@@ -261,8 +262,10 @@ boundValues mod group =
   in vals ++ tys ++ fors
   where found = foundOfLName mod
 
-startOfLocated :: Located a -> SrcLoc
-startOfLocated lHs = srcSpanStart $ getLoc lHs
+startOfLocated :: Located a -> RealSrcLoc
+startOfLocated lHs = case getLoc lHs of
+                     RealSrcSpan l -> realSrcSpanStart l
+                     UnhelpfulSpan _ -> panic "startOfLocated UnhelpfulSpan"
 
 foundOfLName :: ModuleName -> Located Name -> FoundThing
 foundOfLName mod id = FoundThing mod (getOccString $ unLoc id) (startOfLocated id)
-- 
1.7.10.4