-
-%*********************************************************
-%* *
-\subsection{Statistics}
-%* *
-%*********************************************************
-
-\begin{code}
-getRnStats :: [RenamedHsDecl] -> RnMG SDoc
-getRnStats all_decls
- = getIfacesRn `thenRn` \ ifaces ->
- let
- n_mods = sizeFM (iModMap ifaces)
-
- decls_imported = filter is_imported_decl all_decls
-
- decls_read = [decl | (_, avail, decl, True) <- nameEnvElts (iDecls ifaces),
- -- Data, newtype, and class decls are in the decls_fm
- -- under multiple names; the tycon/class, and each
- -- constructor/class op too.
- -- The 'True' selects just the 'main' decl
- not (isLocallyDefined (availName avail))
- ]
-
- (cd_rd, dd_rd, add_rd, nd_rd, and_rd, sd_rd, vd_rd, _) = count_decls decls_read
- (cd_sp, dd_sp, add_sp, nd_sp, and_sp, sd_sp, vd_sp, id_sp) = count_decls decls_imported
-
- (unslurped_insts, _) = iDefInsts ifaces
- inst_decls_unslurped = length (bagToList unslurped_insts)
- inst_decls_read = id_sp + inst_decls_unslurped
-
- stats = vcat
- [int n_mods <> text " interfaces read",
- hsep [ int cd_sp, text "class decls imported, out of",
- int cd_rd, text "read"],
- hsep [ int dd_sp, text "data decls imported (of which", int add_sp,
- text "abstractly), out of",
- int dd_rd, text "read"],
- hsep [ int nd_sp, text "newtype decls imported (of which", int and_sp,
- text "abstractly), out of",
- int nd_rd, text "read"],
- hsep [int sd_sp, text "type synonym decls imported, out of",
- int sd_rd, text "read"],
- hsep [int vd_sp, text "value signatures imported, out of",
- int vd_rd, text "read"],
- hsep [int id_sp, text "instance decls imported, out of",
- int inst_decls_read, text "read"]
- ]
- in
- returnRn (hcat [text "Renamer stats: ", stats])
-
-is_imported_decl (DefD _) = False
-is_imported_decl (ValD _) = False
-is_imported_decl decl = not (isLocallyDefined (hsDeclName decl))
-
-count_decls decls
- = -- pprTrace "count_decls" (ppr decls
- --
- -- $$
- -- text "========="
- -- $$
- -- ppr imported_decls
- -- ) $
- (class_decls,
- data_decls, abstract_data_decls,
- newtype_decls, abstract_newtype_decls,
- syn_decls,
- val_decls,
- inst_decls)
- where
- tycl_decls = [d | TyClD d <- decls]
- (class_decls, data_decls, newtype_decls, syn_decls) = countTyClDecls tycl_decls
- abstract_data_decls = length [() | TyData DataType _ _ _ [] _ _ _ <- tycl_decls]
- abstract_newtype_decls = length [() | TyData NewType _ _ _ [] _ _ _ <- tycl_decls]
-
- val_decls = length [() | SigD _ <- decls]
- inst_decls = length [() | InstD _ <- decls]
-
-\end{code}
-