import DataCon
import Type
import Class
-import Pair
import TcType ( orphNamesOfDFunHead )
import Inst ( tcGetInstEnvs )
import Data.List ( sortBy )
-- interfaces, so that their rules and instance decls will be
-- found.
; loadOrphanModules (imp_orphs imports) False
- ; loadOrphanModules (imp_finsts imports) True
-- Check type-familily consistency
; traceRn (text "rn1: checking family instance consistency")
-- any mutually recursive types are done right
-- Just discard the auxiliary bindings; they are generated
-- only for Haskell source code, and should already be in Core
- (tcg_env, _aux_binds, _dm_ids) <- tcTyAndClassDecls emptyModDetails rn_decls ;
+ (tcg_env, _aux_binds) <- tcTyAndClassDecls emptyModDetails rn_decls ;
setGblEnv tcg_env $ do {
-- Make the new type env available to stuff slurped from interface files
-- Typecheck type/class decls
; traceTc "Tc2" empty
- ; (tcg_env, aux_binds, dm_ids)
+ ; (tcg_env, aux_binds)
<- tcTyAndClassDecls emptyModDetails tycl_decls
- ; setGblEnv tcg_env $
- tcExtendIdEnv dm_ids $ do {
+ ; setGblEnv tcg_env $ do {
-- Typecheck instance decls
-- Family instance declarations are rejected here
-- The latter come in via tycl_decls
traceTc "Tc2" empty ;
- (tcg_env, aux_binds, dm_ids) <- tcTyAndClassDecls boot_details tycl_decls ;
+ (tcg_env, aux_binds) <- tcTyAndClassDecls boot_details tycl_decls ;
-- If there are any errors, tcTyAndClassDecls fails here
- setGblEnv tcg_env $
- tcExtendIdEnv dm_ids $ do {
+ setGblEnv tcg_env $ do {
-- Source-language instances, including derivings,
-- and import the supporting declarations
setLclTypeEnv tcl_env $ do { -- Environment doesn't change now
-- Second pass over class and instance declarations,
+ -- now using the kind-checked decls
traceTc "Tc6" empty ;
inst_binds <- tcInstDecls2 (concat tycl_decls) inst_infos ;
-- Load any orphan-module and family instance-module
-- interfaces, so their instances are visible.
; loadOrphanModules (dep_orphs (mi_deps iface)) False
- ; loadOrphanModules (dep_finsts (mi_deps iface)) True
-- Check that the family instances of all directly loaded
-- modules are consistent.
, ppr_fam_insts fam_insts
, vcat (map ppr rules)
, vcat (map ppr vects)
- , ppr_gen_tycons (typeEnvTyCons type_env)
, ptext (sLit "Dependent modules:") <+>
ppr (sortBy cmp_mp $ eltsUFM (imp_dep_mods imports))
, ptext (sLit "Dependent packages:") <+>
= vcat [ text "TYPE CONSTRUCTORS"
, nest 2 (ppr_tydecls tycons)
, text "COERCION AXIOMS"
- , nest 2 (ppr_axioms (typeEnvCoAxioms type_env)) ]
+ , nest 2 (vcat (map pprCoAxiom (typeEnvCoAxioms type_env))) ]
where
fi_tycons = map famInstTyCon fam_insts
tycons = [tycon | tycon <- typeEnvTyCons type_env, want_tycon tycon]
where
le_sig tycon1 tycon2 = getOccName tycon1 <= getOccName tycon2
ppr_tycon tycon = ppr (tyThingToIfaceDecl (ATyCon tycon))
- where
-
-ppr_axioms :: [CoAxiom] -> SDoc
-ppr_axioms axs
- = vcat (map ppr_ax axs)
- where
- ppr_ax ax = sep [ ptext (sLit "coercion") <+> ppr ax <+> ppr (co_ax_tvs ax)
- , nest 2 (dcolon <+> pprEqPred
- (Pair (co_ax_lhs ax) (co_ax_rhs ax))) ]
ppr_rules :: [CoreRule] -> SDoc
ppr_rules [] = empty
ppr_rules rs = vcat [ptext (sLit "{-# RULES"),
nest 2 (pprRules rs),
ptext (sLit "#-}")]
-
-ppr_gen_tycons :: [TyCon] -> SDoc
-ppr_gen_tycons [] = empty
-ppr_gen_tycons tcs = vcat [ptext (sLit "Tycons with generics:"),
- nest 2 (fsep (map ppr (filter tyConHasGenerics tcs)))]
\end{code}