Safe Haskell	None
Language	Haskell2010

GHC.Tc.Gen.Sig

Synopsis

data TcSigInfo
- = TcIdSig TcIdSigInfo
- | TcPatSynSig TcPatSynInfo
data TcIdSigInfo
- = CompleteSig {
  - sig_bndr :: TcId
  - sig_ctxt :: UserTypeCtxt
  - sig_loc :: SrcSpan
  }
- | PartialSig {
  - psig_name :: Name
  - psig_hs_ty :: LHsSigWcType GhcRn
  - sig_ctxt :: UserTypeCtxt
  - sig_loc :: SrcSpan
  }
data TcIdSigInst
data TcPatSynInfo = TPSI {
- patsig_name :: Name
- patsig_implicit_bndrs :: [InvisTVBinder]
- patsig_univ_bndrs :: [InvisTVBinder]
- patsig_req :: TcThetaType
- patsig_ex_bndrs :: [InvisTVBinder]
- patsig_prov :: TcThetaType
- patsig_body_ty :: TcSigmaType
}
type TcSigFun = Name -> Maybe TcSigInfo
isPartialSig :: TcIdSigInst -> Bool
hasCompleteSig :: TcSigFun -> Name -> Bool
tcIdSigName :: TcIdSigInfo -> Name
tcSigInfoName :: TcSigInfo -> Name
completeSigPolyId_maybe :: TcSigInfo -> Maybe TcId
isCompleteHsSig :: LHsSigWcType GhcRn -> Bool
lhsSigWcTypeContextSpan :: LHsSigWcType GhcRn -> ReportRedundantConstraints
lhsSigTypeContextSpan :: LHsSigType GhcRn -> ReportRedundantConstraints
tcTySigs :: [LSig GhcRn] -> TcM ([TcId], TcSigFun)
tcUserTypeSig :: SrcSpan -> LHsSigWcType GhcRn -> Maybe Name -> TcM TcIdSigInfo
completeSigFromId :: UserTypeCtxt -> Id -> TcIdSigInfo
tcInstSig :: TcIdSigInfo -> TcM TcIdSigInst
type TcPragEnv = NameEnv [LSig GhcRn]
emptyPragEnv :: TcPragEnv
lookupPragEnv :: TcPragEnv -> Name -> [LSig GhcRn]
extendPragEnv :: TcPragEnv -> (Name, LSig GhcRn) -> TcPragEnv
mkPragEnv :: [LSig GhcRn] -> LHsBinds GhcRn -> TcPragEnv
tcSpecPrags :: Id -> [LSig GhcRn] -> TcM [LTcSpecPrag]
tcSpecWrapper :: UserTypeCtxt -> TcType -> TcType -> TcM HsWrapper
tcImpPrags :: [LSig GhcRn] -> TcM [LTcSpecPrag]
addInlinePrags :: TcId -> [LSig GhcRn] -> TcM TcId
addInlinePragArity :: Arity -> LSig GhcRn -> LSig GhcRn

Documentation

data TcSigInfo Source #

Constructors

TcIdSig TcIdSigInfo
TcPatSynSig TcPatSynInfo

Instances

Instances details

Outputable TcSigInfo Source #
Instance details Defined in GHC.Tc.Types.BasicTypes Methods ppr :: TcSigInfo -> SDoc Source #

data TcIdSigInfo Source #

Constructors

CompleteSig
Fields sig_bndr :: TcId sig_ctxt :: UserTypeCtxt sig_loc :: SrcSpan
PartialSig
Fields psig_name :: Name psig_hs_ty :: LHsSigWcType GhcRn sig_ctxt :: UserTypeCtxt sig_loc :: SrcSpan

Instances

Instances details

Outputable TcIdSigInfo Source #
Instance details Defined in GHC.Tc.Types.BasicTypes Methods ppr :: TcIdSigInfo -> SDoc Source #

data TcIdSigInst Source #

Instances

Instances details

Outputable TcIdSigInst Source #
Instance details Defined in GHC.Tc.Types.BasicTypes Methods ppr :: TcIdSigInst -> SDoc Source #

data TcPatSynInfo Source #

Constructors

TPSI
Fields patsig_name :: Name patsig_implicit_bndrs :: [InvisTVBinder] patsig_univ_bndrs :: [InvisTVBinder] patsig_req :: TcThetaType patsig_ex_bndrs :: [InvisTVBinder] patsig_prov :: TcThetaType patsig_body_ty :: TcSigmaType

Instances

Instances details

Outputable TcPatSynInfo Source #
Instance details Defined in GHC.Tc.Types.BasicTypes Methods ppr :: TcPatSynInfo -> SDoc Source #

type TcSigFun = Name -> Maybe TcSigInfo Source #

isPartialSig :: TcIdSigInst -> Bool Source #

hasCompleteSig :: TcSigFun -> Name -> Bool Source #

No signature or a partial signature

tcIdSigName :: TcIdSigInfo -> Name Source #

tcSigInfoName :: TcSigInfo -> Name Source #

completeSigPolyId_maybe :: TcSigInfo -> Maybe TcId Source #

isCompleteHsSig :: LHsSigWcType GhcRn -> Bool Source #

If there are no wildcards, return a LHsSigWcType

lhsSigWcTypeContextSpan :: LHsSigWcType GhcRn -> ReportRedundantConstraints Source #

Find the location of the top-level context of a HsType. For example:

  forall a b. (Eq a, Ord b) => blah
              ^^^^^^^^^^^^^

If there is none, return Nothing

lhsSigTypeContextSpan :: LHsSigType GhcRn -> ReportRedundantConstraints Source #

tcTySigs :: [LSig GhcRn] -> TcM ([TcId], TcSigFun) Source #

tcUserTypeSig :: SrcSpan -> LHsSigWcType GhcRn -> Maybe Name -> TcM TcIdSigInfo Source #

completeSigFromId :: UserTypeCtxt -> Id -> TcIdSigInfo Source #

tcInstSig :: TcIdSigInfo -> TcM TcIdSigInst Source #

type TcPragEnv = NameEnv [LSig GhcRn] Source #

emptyPragEnv :: TcPragEnv Source #

lookupPragEnv :: TcPragEnv -> Name -> [LSig GhcRn] Source #

extendPragEnv :: TcPragEnv -> (Name, LSig GhcRn) -> TcPragEnv Source #

mkPragEnv :: [LSig GhcRn] -> LHsBinds GhcRn -> TcPragEnv Source #

tcSpecPrags :: Id -> [LSig GhcRn] -> TcM [LTcSpecPrag] Source #

tcSpecWrapper :: UserTypeCtxt -> TcType -> TcType -> TcM HsWrapper Source #

tcImpPrags :: [LSig GhcRn] -> TcM [LTcSpecPrag] Source #

addInlinePrags :: TcId -> [LSig GhcRn] -> TcM TcId Source #

addInlinePragArity :: Arity -> LSig GhcRn -> LSig GhcRn Source #