Haskell Program Coverage

[ghc-hetmet.git] / compiler / deSugar / Desugar.lhs

diff --git a/compiler/deSugar/Desugar.lhs b/compiler/deSugar/Desugar.lhs
index ab4ee74..2e5b1e1 100644 (file)
--- a/compiler/deSugar/Desugar.lhs
+++ b/compiler/deSugar/Desugar.lhs
@@ -42,6 +42,7 @@ import SrcLoc
 import Maybes
 import FastString
 import Util
+import Coverage
 
 import Data.IORef
 \end{code}
@@ -53,10 +54,11 @@ import Data.IORef
 %************************************************************************
 
 \begin{code}
-deSugar :: HscEnv -> TcGblEnv -> IO (Maybe ModGuts)
+deSugar :: HscEnv -> ModLocation -> TcGblEnv -> IO (Maybe ModGuts)
 -- Can modify PCS by faulting in more declarations
 
 deSugar hsc_env 
+        mod_loc
         tcg_env@(TcGblEnv { tcg_mod       = mod,
                            tcg_src       = hsc_src,
                            tcg_type_env  = type_env,
@@ -81,18 +83,22 @@ deSugar hsc_env
        ; let auto_scc = mkAutoScc mod export_set
 
        ; mb_res <- case ghcMode dflags of
-                    JustTypecheck -> return (Just ([], [], NoStubs))
-                    _             -> initDs hsc_env mod rdr_env type_env $ do
-                                       { core_prs <- dsTopLHsBinds auto_scc binds
+                    JustTypecheck -> return (Just ([], [], NoStubs, noHpcInfo))
+                     _        -> do (binds_cvr,ds_hpc_info) 
+                                             <- if dopt Opt_Hpc dflags
+                                                 then addCoverageTicksToBinds dflags mod mod_loc binds
+                                                 else return (binds, noHpcInfo)
+                                    initDs hsc_env mod rdr_env type_env $ do
+                                       { core_prs <- dsTopLHsBinds auto_scc binds_cvr
                                        ; (ds_fords, foreign_prs) <- dsForeigns fords
                                        ; let all_prs = foreign_prs ++ core_prs
                                              local_bndrs = mkVarSet (map fst all_prs)
                                        ; ds_rules <- mappM (dsRule mod local_bndrs) rules
-                                       ; return (all_prs, catMaybes ds_rules, ds_fords)
+                                       ; return (all_prs, catMaybes ds_rules, ds_fords, ds_hpc_info)
                                        }
        ; case mb_res of {
           Nothing -> return Nothing ;
-          Just (all_prs, ds_rules, ds_fords) -> do
+          Just (all_prs, ds_rules, ds_fords,ds_hpc_info) -> do
 
        {       -- Add export flags to bindings
          keep_alive <- readIORef keep_var
@@ -160,8 +166,8 @@ deSugar hsc_env
                mg_fam_insts = fam_insts,
                mg_rules     = ds_rules,
                mg_binds     = ds_binds,
-               mg_foreign   = ds_fords }
-       
+               mg_foreign   = ds_fords,
+               mg_hpc_info  = ds_hpc_info }
         ; return (Just mod_guts)
        }}}