Safe Haskell	Safe-Inferred
Language	Haskell2010

Data.GI.CodeGen.Type

Description

An abstraction for representing type constructors. This is a very simplified version of Typeable, which we don't use directly to avoid compatibility headaches.

Synopsis

data Type
- = TBasicType BasicType
- | TError
- | TVariant
- | TGValue
- | TParamSpec
- | TCArray Bool Int Int Type
- | TGArray Type
- | TPtrArray Type
- | TByteArray
- | TGList Type
- | TGSList Type
- | TGHash Type Type
- | TGClosure (Maybe Type)
- | TInterface Name
data BasicType
- = TBoolean
- | TInt
- | TUInt
- | TLong
- | TULong
- | TInt8
- | TUInt8
- | TInt16
- | TUInt16
- | TInt32
- | TUInt32
- | TInt64
- | TUInt64
- | TFloat
- | TDouble
- | TUniChar
- | TGType
- | TUTF8
- | TFileName
- | TPtr
- | TIntPtr
- | TUIntPtr
data TypeRep
con :: Text -> [TypeRep] -> TypeRep
con0 :: Text -> TypeRep
typeShow :: TypeRep -> Text
typeConName :: TypeRep -> Text
io :: TypeRep -> TypeRep
ptr :: TypeRep -> TypeRep
funptr :: TypeRep -> TypeRep
maybeT :: TypeRep -> TypeRep

Documentation

data Type Source #

This type represents the types found in GObject Introspection interfaces: the types of constants, arguments, etc.

Constructors

TBasicType BasicType
TError	GError
TVariant	GVariant
TGValue	GValue
TParamSpec	GParamSpec
TCArray Bool Int Int Type	Zero terminated, Array Fixed Size, Array Length, Element Type
TGArray Type	GArray
TPtrArray Type	GPtrArray
TByteArray	GByteArray
TGList Type	GList
TGSList Type	GSList
TGHash Type Type	GHashTable
TGClosure (Maybe Type)	GClosure containing the given API (if known)
TInterface Name	A reference to some API in the GIR

Instances

Instances details

Show Type Source #
Instance details Defined in Data.GI.GIR.BasicTypes Methods showsPrec :: Int -> Type -> ShowS # show :: Type -> String # showList :: [Type] -> ShowS #
Eq Type Source #
Instance details Defined in Data.GI.GIR.BasicTypes Methods (==) :: Type -> Type -> Bool # (/=) :: Type -> Type -> Bool #
Ord Type Source #
Instance details Defined in Data.GI.GIR.BasicTypes Methods compare :: Type -> Type -> Ordering # (<) :: Type -> Type -> Bool # (<=) :: Type -> Type -> Bool # (>) :: Type -> Type -> Bool # (>=) :: Type -> Type -> Bool # max :: Type -> Type -> Type # min :: Type -> Type -> Type #

data BasicType Source #

Basic types. These are generally trivial to marshal, and the GIR assumes that they are defined.

Constructors

TBoolean	gboolean
TInt	gint
TUInt	guint
TLong	glong
TULong	gulong
TInt8	gint8
TUInt8	guint8
TInt16	gint16
TUInt16	guint16
TInt32	gint32
TUInt32	guint32
TInt64	gint64
TUInt64	guint64
TFloat	gfloat
TDouble	gdouble
TUniChar	gunichar
TGType	GType
TUTF8	gchar*, encoded as UTF-8
TFileName	gchar*, encoding a filename
TPtr	gpointer
TIntPtr	gintptr
TUIntPtr	guintptr

Instances

Instances details

Show BasicType Source #
Instance details Defined in Data.GI.GIR.BasicTypes Methods showsPrec :: Int -> BasicType -> ShowS # show :: BasicType -> String # showList :: [BasicType] -> ShowS #
Eq BasicType Source #
Instance details Defined in Data.GI.GIR.BasicTypes Methods (==) :: BasicType -> BasicType -> Bool # (/=) :: BasicType -> BasicType -> Bool #
Ord BasicType Source #
Instance details Defined in Data.GI.GIR.BasicTypes Methods compare :: BasicType -> BasicType -> Ordering # (<) :: BasicType -> BasicType -> Bool # (<=) :: BasicType -> BasicType -> Bool # (>) :: BasicType -> BasicType -> Bool # (>=) :: BasicType -> BasicType -> Bool # max :: BasicType -> BasicType -> BasicType # min :: BasicType -> BasicType -> BasicType #

data TypeRep Source #

A fully applied type.

Instances

Instances details

Eq TypeRep Source #
Instance details Defined in Data.GI.CodeGen.Type Methods (==) :: TypeRep -> TypeRep -> Bool # (/=) :: TypeRep -> TypeRep -> Bool #

con :: Text -> [TypeRep] -> TypeRep Source #

Type constructor applied to the given types.

con0 :: Text -> TypeRep Source #

A shorthand for a type constructor taking no arguments.

typeShow :: TypeRep -> Text Source #

Give a valid Haskell source representation of the given TypeRep.

typeConName :: TypeRep -> Text Source #

Return a textual representation of the type constructor for the given TypeRep.

io :: TypeRep -> TypeRep Source #

Embed in the IO monad.

ptr :: TypeRep -> TypeRep Source #

A Ptr to the type.

funptr :: TypeRep -> TypeRep Source #

A FunPtr to the type.

maybeT :: TypeRep -> TypeRep Source #

Embed in the Maybe monad.