#include "HsVersions.h"
-import HsSyn ( TyClDecl(..), ConDecl(..), ConDetails(..),
+import HsSyn ( TyClDecl(..), ConDecl(..), HsConDetails(..), BangType,
getBangType, getBangStrictness, conDetailsTys
)
import RnHsSyn ( RenamedTyClDecl, RenamedConDecl, RenamedContext )
import TcMonoType ( tcHsTyVars, tcHsTheta, tcHsType,
kcHsContext, kcHsSigType, kcHsLiftedSigType
)
-import TcEnv ( tcExtendTyVarEnv,
- tcLookupTyCon, tcLookupRecId,
- TyThingDetails(..), RecTcEnv
- )
+import TcEnv ( tcExtendTyVarEnv, tcLookupTyCon, TyThingDetails(..) )
import TcType ( tyVarsOfTypes, tyVarsOfPred, ThetaType )
-import TcMonad
+import RnEnv ( lookupSysName )
+import TcRnMonad
import DataCon ( DataCon, mkDataCon, dataConFieldLabels )
import FieldLabel ( fieldLabelName, fieldLabelType, allFieldLabelTags, mkFieldLabel )
import MkId ( mkDataConId, mkDataConWrapId, mkRecordSelId )
import Var ( TyVar )
-import Name ( Name, NamedThing(..) )
+import Name ( Name )
+import OccName ( mkWorkerOcc, mkGenOcc1, mkGenOcc2 )
import Outputable
import TyCon ( TyCon, DataConDetails(..), visibleDataCons,
- tyConTyVars )
+ tyConTyVars, tyConName )
import VarSet ( intersectVarSet, isEmptyVarSet )
-import PrelNames ( unpackCStringName, unpackCStringUtf8Name )
+import Generics ( mkTyConGenInfo )
+import CmdLineOpts ( DynFlag(..) )
import List ( nubBy )
\end{code}
\begin{code}
tcTyDecl :: RenamedTyClDecl -> TcM (Name, TyThingDetails)
tcTyDecl (TySynonym {tcdName = tycon_name, tcdSynRhs = rhs})
- = tcLookupTyCon tycon_name `thenNF_Tc` \ tycon ->
+ = tcLookupTyCon tycon_name `thenM` \ tycon ->
tcExtendTyVarEnv (tyConTyVars tycon) $
- tcHsType rhs `thenTc` \ rhs_ty ->
- returnTc (tycon_name, SynTyDetails rhs_ty)
+ tcHsType rhs `thenM` \ rhs_ty ->
+ returnM (tycon_name, SynTyDetails rhs_ty)
tcTyDecl (TyData {tcdND = new_or_data, tcdCtxt = context,
- tcdName = tycon_name, tcdCons = con_decls})
- = tcLookupTyCon tycon_name `thenNF_Tc` \ tycon ->
+ tcdName = tycon_name, tcdCons = con_decls,
+ tcdGeneric = generic})
+ = tcLookupTyCon tycon_name `thenM` \ tycon ->
let
tyvars = tyConTyVars tycon
in
tcExtendTyVarEnv tyvars $
- tcHsTheta context `thenTc` \ ctxt ->
- tcConDecls new_or_data tycon tyvars ctxt con_decls `thenTc` \ data_cons ->
+ tcHsTheta context `thenM` \ ctxt ->
+ tcConDecls new_or_data tycon tyvars ctxt con_decls `thenM` \ data_cons ->
let
sel_ids = mkRecordSelectors tycon data_cons
in
- returnTc (tycon_name, DataTyDetails ctxt data_cons sel_ids)
+ tcGenericInfo tycon generic `thenM` \ gen_info ->
+ returnM (tycon_name, DataTyDetails ctxt data_cons sel_ids gen_info)
tcTyDecl (ForeignType {tcdName = tycon_name})
- = returnTc (tycon_name, ForeignTyDetails)
+ = returnM (tycon_name, ForeignTyDetails)
+
+tcGenericInfo tycon generics -- Source code decl: consult the flag
+ = do_we_want generics `thenM` \ want_generics ->
+ if want_generics then
+ mapM (lookupSysName (tyConName tycon))
+ [mkGenOcc1, mkGenOcc2] `thenM` \ gen_sys_names ->
+ returnM (mkTyConGenInfo tycon gen_sys_names)
+ else
+ returnM Nothing
+ where
+ do_we_want (Just g) = returnM g -- Interface file decl
+ -- so look at decl
+ do_we_want Nothing = doptM Opt_Generics -- Source code decl
+ -- so look at flag
mkRecordSelectors tycon data_cons
= -- We'll check later that fields with the same name
%************************************************************************
\begin{code}
-kcConDetails :: NewOrData -> RenamedContext -> ConDetails Name -> TcM ()
+kcConDetails :: NewOrData -> RenamedContext
+ -> HsConDetails Name (BangType Name) -> TcM ()
kcConDetails new_or_data ex_ctxt details
- = kcHsContext ex_ctxt `thenTc_`
- mapTc_ kc_sig_type (conDetailsTys details)
+ = kcHsContext ex_ctxt `thenM_`
+ mappM_ kc_sig_type (conDetailsTys details)
where
kc_sig_type = case new_or_data of
DataType -> kcHsSigType
tcConDecls new_or_data tycon tyvars ctxt con_decls
= case con_decls of
- Unknown -> returnTc Unknown
- HasCons n -> returnTc (HasCons n)
- DataCons cs -> mapTc tc_con_decl cs `thenTc` \ data_cons ->
- returnTc (DataCons data_cons)
+ Unknown -> returnM Unknown
+ HasCons n -> returnM (HasCons n)
+ DataCons cs -> mappM tc_con_decl cs `thenM` \ data_cons ->
+ returnM (DataCons data_cons)
where
- tc_con_decl (ConDecl name wkr_name ex_tvs ex_ctxt details src_loc)
- = tcAddSrcLoc src_loc $
+ tc_con_decl (ConDecl name ex_tvs ex_ctxt details src_loc)
+ = addSrcLoc src_loc $
tcHsTyVars ex_tvs (kcConDetails new_or_data ex_ctxt details) $ \ ex_tyvars ->
- tcHsTheta ex_ctxt `thenTc` \ ex_theta ->
+ tcHsTheta ex_ctxt `thenM` \ ex_theta ->
case details of
- VanillaCon btys -> tc_datacon ex_tyvars ex_theta btys
+ PrefixCon btys -> tc_datacon ex_tyvars ex_theta btys
InfixCon bty1 bty2 -> tc_datacon ex_tyvars ex_theta [bty1,bty2]
RecCon fields -> tc_rec_con ex_tyvars ex_theta fields
where
tc_datacon ex_tyvars ex_theta btys
- = mapTc tcHsType (map getBangType btys) `thenTc` \ arg_tys ->
+ = mappM tcHsType (map getBangType btys) `thenM` \ arg_tys ->
mk_data_con ex_tyvars ex_theta (map getBangStrictness btys) arg_tys []
tc_rec_con ex_tyvars ex_theta fields
- = checkTc (null ex_tyvars) (exRecConErr name) `thenTc_`
- mapTc tc_field (fields `zip` allFieldLabelTags) `thenTc` \ field_labels_s ->
+ = checkTc (null ex_tyvars) (exRecConErr name) `thenM_`
+ mappM tc_field (fields `zip` allFieldLabelTags) `thenM` \ field_labels ->
let
- field_labels = concat field_labels_s
- arg_stricts = [str | (ns, bty) <- fields,
- let str = getBangStrictness bty,
- n <- ns -- One for each. E.g x,y,z :: !Int
+ arg_stricts = [str | (n, bty) <- fields,
+ let str = getBangStrictness bty
]
in
mk_data_con ex_tyvars ex_theta arg_stricts
(map fieldLabelType field_labels) field_labels
- tc_field ((field_label_names, bty), tag)
- = tcHsType (getBangType bty) `thenTc` \ field_ty ->
- returnTc [mkFieldLabel (getName name) tycon field_ty tag | name <- field_label_names]
+ tc_field ((field_label_name, bty), tag)
+ = tcHsType (getBangType bty) `thenM` \ field_ty ->
+ returnM (mkFieldLabel field_label_name tycon field_ty tag)
mk_data_con ex_tyvars ex_theta arg_stricts arg_tys fields
- = let
+ = lookupSysName name mkWorkerOcc `thenM` \ wkr_name ->
+ let
data_con = mkDataCon name arg_stricts fields
tyvars (thinContext arg_tys ctxt)
ex_tyvars ex_theta
data_con_id = mkDataConId wkr_name data_con
data_con_wrap_id = mkDataConWrapId data_con
in
- returnNF_Tc data_con
+ returnM data_con
-- The context for a data constructor should be limited to
-- the type variables mentioned in the arg_tys
projects / ghc-hetmet.git / blobdiff