Safe Haskell	Safe-Inferred
Language	Haskell2010

Language.Haskell.Syntax.Pat

Synopsis

data Pat p
- = WildPat (XWildPat p)
- | VarPat (XVarPat p) (LIdP p)
- | LazyPat (XLazyPat p) (LPat p)
- | AsPat (XAsPat p) (LIdP p) (LPat p)
- | ParPat (XParPat p) (LPat p)
- | BangPat (XBangPat p) (LPat p)
- | ListPat (XListPat p) [LPat p]
- | TuplePat (XTuplePat p) [LPat p] Boxity
- | SumPat (XSumPat p) (LPat p) ConTag Arity
- | ConPat {
  - pat_con_ext :: XConPat p
  - pat_con :: XRec p (ConLikeP p)
  - pat_args :: HsConPatDetails p
  }
- | ViewPat (XViewPat p) (LHsExpr p) (LPat p)
- | SplicePat (XSplicePat p) (HsSplice p)
- | LitPat (XLitPat p) (HsLit p)
- | NPat (XNPat p) (XRec p (HsOverLit p)) (Maybe (SyntaxExpr p)) (SyntaxExpr p)
- | NPlusKPat (XNPlusKPat p) (LIdP p) (XRec p (HsOverLit p)) (HsOverLit p) (SyntaxExpr p) (SyntaxExpr p)
- | SigPat (XSigPat p) (LPat p) (HsPatSigType (NoGhcTc p))
- | XPat !(XXPat p)
type LPat p = XRec p (Pat p)
type family ConLikeP x
type HsConPatDetails p = HsConDetails (HsPatSigType (NoGhcTc p)) (LPat p) (HsRecFields p (LPat p))
hsConPatArgs :: forall p. UnXRec p => HsConPatDetails p -> [LPat p]
data HsRecFields p arg = HsRecFields {
- rec_flds :: [LHsRecField p arg]
- rec_dotdot :: Maybe (Located Int)
}
data HsRecField' id arg = HsRecField {
- hsRecFieldAnn :: XHsRecField id
- hsRecFieldLbl :: Located id
- hsRecFieldArg :: arg
- hsRecPun :: Bool
}
type LHsRecField' p id arg = XRec p (HsRecField' id arg)
type HsRecField p arg = HsRecField' (FieldOcc p) arg
type LHsRecField p arg = XRec p (HsRecField p arg)
type HsRecUpdField p = HsRecField' (AmbiguousFieldOcc p) (LHsExpr p)
type LHsRecUpdField p = XRec p (HsRecUpdField p)
hsRecFields :: forall p arg. UnXRec p => HsRecFields p arg -> [XCFieldOcc p]
hsRecFieldSel :: HsRecField pass arg -> Located (XCFieldOcc pass)
hsRecFieldsArgs :: forall p arg. UnXRec p => HsRecFields p arg -> [arg]

Documentation

data Pat p Source #

Pattern

AnnKeywordId : AnnBang

Constructors

WildPat (XWildPat p)	Wildcard Pattern The sole reason for a type on a WildPat is to support hsPatType :: Pat Id -> Type
VarPat (XVarPat p) (LIdP p)	Variable Pattern
LazyPat (XLazyPat p) (LPat p)	Lazy Pattern ^ - `AnnKeywordId` : `AnnTilde`
AsPat (XAsPat p) (LIdP p) (LPat p)	As pattern ^ - `AnnKeywordId` : `AnnAt`
ParPat (XParPat p) (LPat p)	Parenthesised pattern See Note [Parens in HsSyn] in GHC.Hs.Expr ^ - `AnnKeywordId` : `AnnOpen` `'('`, `AnnClose` `')'`
BangPat (XBangPat p) (LPat p)	Bang pattern ^ - `AnnKeywordId` : `AnnBang`
ListPat (XListPat p) [LPat p]	Syntactic List `AnnKeywordId` : `AnnOpen` `'['`, `AnnClose` `']'`
TuplePat (XTuplePat p) [LPat p] Boxity	Tuple sub-patterns `AnnKeywordId` : `AnnOpen` `'('` or `'(#'`, `AnnClose` `')'` or `'#)'`
SumPat (XSumPat p) (LPat p) ConTag Arity	Anonymous sum pattern `AnnKeywordId` : `AnnOpen` `'(#'`, `AnnClose` `'#)'`
ConPat	Constructor Pattern
Fields pat_con_ext :: XConPat p pat_con :: XRec p (ConLikeP p) pat_args :: HsConPatDetails p
ViewPat	`AnnKeywordId` : `AnnRarrow`
Fields (XViewPat p) (LHsExpr p) (LPat p) View Pattern
SplicePat	`AnnKeywordId` : `AnnOpen` `'$('` `AnnClose` `')'`
Fields (XSplicePat p) (HsSplice p) Splice Pattern (Includes quasi-quotes)
LitPat (XLitPat p) (HsLit p)	Literal Pattern Used for non-overloaded literal patterns: Int#, Char#, Int, Char, String, etc.
NPat (XNPat p) (XRec p (HsOverLit p)) (Maybe (SyntaxExpr p)) (SyntaxExpr p)	Natural Pattern `AnnKeywordId` : `AnnVal` `+`
NPlusKPat (XNPlusKPat p) (LIdP p) (XRec p (HsOverLit p)) (HsOverLit p) (SyntaxExpr p) (SyntaxExpr p)	n+k pattern
SigPat	`AnnKeywordId` : `AnnDcolon`
Fields (XSigPat p) (LPat p) (HsPatSigType (NoGhcTc p)) Pattern with a type signature
XPat !(XXPat p)	Trees that Grow extension point for new constructors

Instances

Instances details

Data (Pat GhcPs) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Pat GhcPs -> c (Pat GhcPs) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Pat GhcPs) # toConstr :: Pat GhcPs -> Constr # dataTypeOf :: Pat GhcPs -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Pat GhcPs)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Pat GhcPs)) # gmapT :: (forall b. Data b => b -> b) -> Pat GhcPs -> Pat GhcPs # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Pat GhcPs -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Pat GhcPs -> r # gmapQ :: (forall d. Data d => d -> u) -> Pat GhcPs -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> Pat GhcPs -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> Pat GhcPs -> m (Pat GhcPs) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat GhcPs -> m (Pat GhcPs) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat GhcPs -> m (Pat GhcPs) #
Data (Pat GhcRn) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Pat GhcRn -> c (Pat GhcRn) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Pat GhcRn) # toConstr :: Pat GhcRn -> Constr # dataTypeOf :: Pat GhcRn -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Pat GhcRn)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Pat GhcRn)) # gmapT :: (forall b. Data b => b -> b) -> Pat GhcRn -> Pat GhcRn # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Pat GhcRn -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Pat GhcRn -> r # gmapQ :: (forall d. Data d => d -> u) -> Pat GhcRn -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> Pat GhcRn -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> Pat GhcRn -> m (Pat GhcRn) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat GhcRn -> m (Pat GhcRn) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat GhcRn -> m (Pat GhcRn) #
Data (Pat GhcTc) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> Pat GhcTc -> c (Pat GhcTc) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (Pat GhcTc) # toConstr :: Pat GhcTc -> Constr # dataTypeOf :: Pat GhcTc -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (Pat GhcTc)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (Pat GhcTc)) # gmapT :: (forall b. Data b => b -> b) -> Pat GhcTc -> Pat GhcTc # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> Pat GhcTc -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> Pat GhcTc -> r # gmapQ :: (forall d. Data d => d -> u) -> Pat GhcTc -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> Pat GhcTc -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> Pat GhcTc -> m (Pat GhcTc) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat GhcTc -> m (Pat GhcTc) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> Pat GhcTc -> m (Pat GhcTc) #
OutputableBndrId p => Outputable (Pat (GhcPass p)) Source #
Instance details Defined in GHC.Hs.Pat Methods ppr :: Pat (GhcPass p) -> SDoc Source #
type Anno (Pat (GhcPass p)) Source #
Instance details Defined in GHC.Hs.Pat type Anno (Pat (GhcPass p)) = SrcSpanAnnA

type LPat p = XRec p (Pat p) Source #

type family ConLikeP x Source #

Instances

Instances details

type ConLikeP GhcPs Source #
Instance details Defined in GHC.Hs.Pat type ConLikeP GhcPs = RdrName
type ConLikeP GhcRn Source #
Instance details Defined in GHC.Hs.Pat type ConLikeP GhcRn = Name
type ConLikeP GhcTc Source #
Instance details Defined in GHC.Hs.Pat type ConLikeP GhcTc = ConLike

type HsConPatDetails p = HsConDetails (HsPatSigType (NoGhcTc p)) (LPat p) (HsRecFields p (LPat p)) Source #

Haskell Constructor Pattern Details

hsConPatArgs :: forall p. UnXRec p => HsConPatDetails p -> [LPat p] Source #

data HsRecFields p arg Source #

Haskell Record Fields

HsRecFields is used only for patterns and expressions (not data type declarations)

Constructors

HsRecFields
Fields rec_flds :: [LHsRecField p arg] rec_dotdot :: Maybe (Located Int)

Instances

Instances details

Data body => Data (HsRecFields GhcPs body) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> HsRecFields GhcPs body -> c (HsRecFields GhcPs body) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (HsRecFields GhcPs body) # toConstr :: HsRecFields GhcPs body -> Constr # dataTypeOf :: HsRecFields GhcPs body -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (HsRecFields GhcPs body)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (HsRecFields GhcPs body)) # gmapT :: (forall b. Data b => b -> b) -> HsRecFields GhcPs body -> HsRecFields GhcPs body # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields GhcPs body -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields GhcPs body -> r # gmapQ :: (forall d. Data d => d -> u) -> HsRecFields GhcPs body -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> HsRecFields GhcPs body -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> HsRecFields GhcPs body -> m (HsRecFields GhcPs body) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields GhcPs body -> m (HsRecFields GhcPs body) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields GhcPs body -> m (HsRecFields GhcPs body) #
Data body => Data (HsRecFields GhcRn body) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> HsRecFields GhcRn body -> c (HsRecFields GhcRn body) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (HsRecFields GhcRn body) # toConstr :: HsRecFields GhcRn body -> Constr # dataTypeOf :: HsRecFields GhcRn body -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (HsRecFields GhcRn body)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (HsRecFields GhcRn body)) # gmapT :: (forall b. Data b => b -> b) -> HsRecFields GhcRn body -> HsRecFields GhcRn body # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields GhcRn body -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields GhcRn body -> r # gmapQ :: (forall d. Data d => d -> u) -> HsRecFields GhcRn body -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> HsRecFields GhcRn body -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> HsRecFields GhcRn body -> m (HsRecFields GhcRn body) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields GhcRn body -> m (HsRecFields GhcRn body) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields GhcRn body -> m (HsRecFields GhcRn body) #
Data body => Data (HsRecFields GhcTc body) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b. Data d => c (d -> b) -> d -> c b) -> (forall g. g -> c g) -> HsRecFields GhcTc body -> c (HsRecFields GhcTc body) # gunfold :: (forall b r. Data b => c (b -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (HsRecFields GhcTc body) # toConstr :: HsRecFields GhcTc body -> Constr # dataTypeOf :: HsRecFields GhcTc body -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (HsRecFields GhcTc body)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (HsRecFields GhcTc body)) # gmapT :: (forall b. Data b => b -> b) -> HsRecFields GhcTc body -> HsRecFields GhcTc body # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields GhcTc body -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> HsRecFields GhcTc body -> r # gmapQ :: (forall d. Data d => d -> u) -> HsRecFields GhcTc body -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> HsRecFields GhcTc body -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> HsRecFields GhcTc body -> m (HsRecFields GhcTc body) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields GhcTc body -> m (HsRecFields GhcTc body) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecFields GhcTc body -> m (HsRecFields GhcTc body) #
(Outputable arg, Outputable (XRec p (HsRecField p arg))) => Outputable (HsRecFields p arg) Source #
Instance details Defined in Language.Haskell.Syntax.Pat Methods ppr :: HsRecFields p arg -> SDoc Source #

data HsRecField' id arg Source #

Haskell Record Field

AnnKeywordId : AnnEqual,

For details on above see note [exact print annotations] in GHC.Parser.Annotation

Constructors

HsRecField
Fields hsRecFieldAnn :: XHsRecField id hsRecFieldLbl :: Located id hsRecFieldArg :: arg Filled in by renamer when punning hsRecPun :: Bool Note [Punning]

Instances

Instances details

Foldable (HsRecField' id) Source #
Instance details Defined in Language.Haskell.Syntax.Pat Methods fold :: Monoid m => HsRecField' id m -> m # foldMap :: Monoid m => (a -> m) -> HsRecField' id a -> m # foldMap' :: Monoid m => (a -> m) -> HsRecField' id a -> m # foldr :: (a -> b -> b) -> b -> HsRecField' id a -> b # foldr' :: (a -> b -> b) -> b -> HsRecField' id a -> b # foldl :: (b -> a -> b) -> b -> HsRecField' id a -> b # foldl' :: (b -> a -> b) -> b -> HsRecField' id a -> b # foldr1 :: (a -> a -> a) -> HsRecField' id a -> a # foldl1 :: (a -> a -> a) -> HsRecField' id a -> a # toList :: HsRecField' id a -> [a] # null :: HsRecField' id a -> Bool # length :: HsRecField' id a -> Int # elem :: Eq a => a -> HsRecField' id a -> Bool # maximum :: Ord a => HsRecField' id a -> a # minimum :: Ord a => HsRecField' id a -> a # sum :: Num a => HsRecField' id a -> a # product :: Num a => HsRecField' id a -> a #
Traversable (HsRecField' id) Source #
Instance details Defined in Language.Haskell.Syntax.Pat Methods traverse :: Applicative f => (a -> f b) -> HsRecField' id a -> f (HsRecField' id b) # sequenceA :: Applicative f => HsRecField' id (f a) -> f (HsRecField' id a) # mapM :: Monad m => (a -> m b) -> HsRecField' id a -> m (HsRecField' id b) # sequence :: Monad m => HsRecField' id (m a) -> m (HsRecField' id a) #
Functor (HsRecField' id) Source #
Instance details Defined in Language.Haskell.Syntax.Pat Methods fmap :: (a -> b) -> HsRecField' id a -> HsRecField' id b # (<$) :: a -> HsRecField' id b -> HsRecField' id a #
(Data a, Data b) => Data (HsRecField' a b) Source #
Instance details Defined in GHC.Hs.Instances Methods gfoldl :: (forall d b0. Data d => c (d -> b0) -> d -> c b0) -> (forall g. g -> c g) -> HsRecField' a b -> c (HsRecField' a b) # gunfold :: (forall b0 r. Data b0 => c (b0 -> r) -> c r) -> (forall r. r -> c r) -> Constr -> c (HsRecField' a b) # toConstr :: HsRecField' a b -> Constr # dataTypeOf :: HsRecField' a b -> DataType # dataCast1 :: Typeable t => (forall d. Data d => c (t d)) -> Maybe (c (HsRecField' a b)) # dataCast2 :: Typeable t => (forall d e. (Data d, Data e) => c (t d e)) -> Maybe (c (HsRecField' a b)) # gmapT :: (forall b0. Data b0 => b0 -> b0) -> HsRecField' a b -> HsRecField' a b # gmapQl :: (r -> r' -> r) -> r -> (forall d. Data d => d -> r') -> HsRecField' a b -> r # gmapQr :: forall r r'. (r' -> r -> r) -> r -> (forall d. Data d => d -> r') -> HsRecField' a b -> r # gmapQ :: (forall d. Data d => d -> u) -> HsRecField' a b -> [u] # gmapQi :: Int -> (forall d. Data d => d -> u) -> HsRecField' a b -> u # gmapM :: Monad m => (forall d. Data d => d -> m d) -> HsRecField' a b -> m (HsRecField' a b) # gmapMp :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecField' a b -> m (HsRecField' a b) # gmapMo :: MonadPlus m => (forall d. Data d => d -> m d) -> HsRecField' a b -> m (HsRecField' a b) #
(Outputable p, OutputableBndr p, Outputable arg) => Outputable (HsRecField' p arg) Source #
Instance details Defined in Language.Haskell.Syntax.Pat Methods ppr :: HsRecField' p arg -> SDoc Source #
type Anno (HsRecField (GhcPass p) arg) Source #
Instance details Defined in GHC.Hs.Pat type Anno (HsRecField (GhcPass p) arg) = SrcSpanAnnA
type Anno (HsRecField' (GhcPass p) (LocatedA (HsExpr (GhcPass p)))) Source #
Instance details Defined in GHC.Hs.Pat type Anno (HsRecField' (GhcPass p) (LocatedA (HsExpr (GhcPass p)))) = SrcSpanAnnA
type Anno (HsRecField' (AmbiguousFieldOcc p) (LocatedA (HsExpr p))) Source #
Instance details Defined in GHC.Hs.Pat type Anno (HsRecField' (AmbiguousFieldOcc p) (LocatedA (HsExpr p))) = SrcSpanAnnA
type Anno (HsRecField' p arg) Source #
Instance details Defined in GHC.Hs.Pat type Anno (HsRecField' p arg) = SrcSpanAnnA

type LHsRecField' p id arg = XRec p (HsRecField' id arg) Source #

Located Haskell Record Field

type HsRecField p arg = HsRecField' (FieldOcc p) arg Source #

Haskell Record Field

type LHsRecField p arg = XRec p (HsRecField p arg) Source #

Located Haskell Record Field

type HsRecUpdField p = HsRecField' (AmbiguousFieldOcc p) (LHsExpr p) Source #

Haskell Record Update Field

type LHsRecUpdField p = XRec p (HsRecUpdField p) Source #

Located Haskell Record Update Field

hsRecFields :: forall p arg. UnXRec p => HsRecFields p arg -> [XCFieldOcc p] Source #

hsRecFieldSel :: HsRecField pass arg -> Located (XCFieldOcc pass) Source #

hsRecFieldsArgs :: forall p arg. UnXRec p => HsRecFields p arg -> [arg] Source #