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[project @ 2004-02-24 15:57:52 by simonpj]
[ghc-hetmet.git]
/
ghc
/
compiler
/
typecheck
/
TcRnMonad.lhs
diff --git
a/ghc/compiler/typecheck/TcRnMonad.lhs
b/ghc/compiler/typecheck/TcRnMonad.lhs
index
86af49a
..
fe410c6
100644
(file)
--- a/
ghc/compiler/typecheck/TcRnMonad.lhs
+++ b/
ghc/compiler/typecheck/TcRnMonad.lhs
@@
-74,6
+74,7
@@
initTc hsc_env mod do_this
tvs_var <- newIORef emptyVarSet ;
type_env_var <- newIORef emptyNameEnv ;
dfuns_var <- newIORef emptyNameSet ;
tvs_var <- newIORef emptyVarSet ;
type_env_var <- newIORef emptyNameEnv ;
dfuns_var <- newIORef emptyNameSet ;
+ th_var <- newIORef False ;
let {
gbl_env = TcGblEnv {
let {
gbl_env = TcGblEnv {
@@
-85,6
+86,7
@@
initTc hsc_env mod do_this
tcg_type_env_var = type_env_var,
tcg_inst_env = mkImpInstEnv hsc_env,
tcg_inst_uses = dfuns_var,
tcg_type_env_var = type_env_var,
tcg_inst_env = mkImpInstEnv hsc_env,
tcg_inst_uses = dfuns_var,
+ tcg_th_used = th_var,
tcg_exports = emptyNameSet,
tcg_imports = init_imports,
tcg_dus = emptyDUs,
tcg_exports = emptyNameSet,
tcg_imports = init_imports,
tcg_dus = emptyDUs,
@@
-733,6
+735,9
@@
setLclTypeEnv lcl_env thing_inside
%************************************************************************
\begin{code}
%************************************************************************
\begin{code}
+recordThUse :: TcM ()
+recordThUse = do { env <- getGblEnv; writeMutVar (tcg_th_used env) True }
+
getStage :: TcM ThStage
getStage = do { env <- getLclEnv; return (tcl_th_ctxt env) }
getStage :: TcM ThStage
getStage = do { env <- getLclEnv; return (tcl_th_ctxt env) }