TcGblEnv { tcg_type_env = type_env, tcg_binds = binds,
tcg_rules = rules, tcg_fords = fords } = tcg_env } ;
- tcDump tcg_env ;
(bind_ids, binds', fords', rules') <- zonkTopDecls (binds `unionBags` inst_binds)
rules fords ;
-- Typecheck instance decls
; traceTc (text "Tc3")
- ; (tcg_env, inst_infos, _binds) <- tcInstDecls1 tycl_decls (hs_instds rn_group)
+ ; (tcg_env, inst_infos, _binds)
+ <- tcInstDecls1 tycl_decls (hs_instds rn_group) (hs_derivds rn_group)
; setGblEnv tcg_env $ do {
-- Typecheck value declarations
tcTopSrcDecls boot_details
(HsGroup { hs_tyclds = tycl_decls,
hs_instds = inst_decls,
+ hs_derivds = deriv_decls,
hs_fords = foreign_decls,
hs_defds = default_decls,
hs_ruleds = rule_decls,
-- Source-language instances, including derivings,
-- and import the supporting declarations
traceTc (text "Tc3") ;
- (tcg_env, inst_infos, deriv_binds) <- tcInstDecls1 tycl_decls inst_decls ;
+ (tcg_env, inst_infos, deriv_binds)
+ <- tcInstDecls1 tycl_decls inst_decls deriv_decls;
setGblEnv tcg_env $ do {
-- Foreign import declarations next. No zonking necessary
| [L _ v] <- collectLStmtBinders stmt -- One binder, for a bind stmt
= do { let print_v = L loc $ ExprStmt (nlHsApp (nlHsVar printName) (nlHsVar v))
(HsVar thenIOName) placeHolderType
+
+ ; print_bind_result <- doptM Opt_PrintBindResult
+ ; let print_plan = do
+ { stuff@([v_id], _) <- tcGhciStmts [stmt, print_v]
+ ; v_ty <- zonkTcType (idType v_id)
+ ; ifM (isUnitTy v_ty || not (isTauTy v_ty)) failM
+ ; return stuff }
+
-- The plans are:
-- [stmt; print v] but not if v::()
-- [stmt]
- ; runPlans [do { stuff@([v_id], _) <- tcGhciStmts [stmt, print_v]
- ; v_ty <- zonkTcType (idType v_id)
- ; ifM (isUnitTy v_ty || not (isTauTy v_ty)) failM
- ; return stuff },
- tcGhciStmts [stmt]
- ]}
+ ; runPlans ((if print_bind_result then [print_plan] else []) ++
+ [tcGhciStmts [stmt]])
+ }
mkPlan stmt
= tcGhciStmts [stmt]