Language.Haskell.TH.Lib.Internal

Language.Haskell.TH.Lib.Internal exposes some additional functionality that is used internally in GHC's integration with Template Haskell. This is not a part of the public API, and as such, there are no API guarantees for this module from version to version.

Type synonyms

type TExpQ (a :: TYPE r) = Q (TExp a) Source #

Levity-polymorphic since template-haskell-2.17.0.0. type TExpQ :: TYPE r -> Kind.Type

type CodeQ = Code Q :: TYPE r -> Type Source #

type InfoQ = Q Info Source #

type PatQ = Q Pat Source #

type FieldPatQ = Q FieldPat Source #

type ExpQ = Q Exp Source #

type DecQ = Q Dec Source #

type DecsQ = Q [Dec] Source #

type Decs = [Dec] Source #

type ConQ = Q Con Source #

type TypeQ = Q Type Source #

type KindQ = Q Kind Source #

type TyLitQ = Q TyLit Source #

type CxtQ = Q Cxt Source #

type PredQ = Q Pred Source #

type DerivClauseQ = Q DerivClause Source #

type MatchQ = Q Match Source #

type ClauseQ = Q Clause Source #

type BodyQ = Q Body Source #

type GuardQ = Q Guard Source #

type StmtQ = Q Stmt Source #

type RangeQ = Q Range Source #

type SourceStrictnessQ = Q SourceStrictness Source #

type SourceUnpackednessQ = Q SourceUnpackedness Source #

type BangQ = Q Bang Source #

type BangTypeQ = Q BangType Source #

type VarBangTypeQ = Q VarBangType Source #

type StrictTypeQ = Q StrictType Source #

type VarStrictTypeQ = Q VarStrictType Source #

type FieldExpQ = Q FieldExp Source #

type RuleBndrQ = Q RuleBndr Source #

type TySynEqnQ = Q TySynEqn Source #

type PatSynDirQ = Q PatSynDir Source #

type PatSynArgsQ = Q PatSynArgs Source #

type FamilyResultSigQ = Q FamilyResultSig Source #

type DerivStrategyQ = Q DerivStrategy Source #

type Role = Role Source #

type InjectivityAnn = InjectivityAnn Source #

type TyVarBndrUnit = TyVarBndr () Source #

type TyVarBndrSpec = TyVarBndr Specificity Source #

Lowercase pattern syntax functions

intPrimL :: Integer -> Lit Source #

wordPrimL :: Integer -> Lit Source #

floatPrimL :: Rational -> Lit Source #

doublePrimL :: Rational -> Lit Source #

integerL :: Integer -> Lit Source #

charL :: Char -> Lit Source #

charPrimL :: Char -> Lit Source #

stringL :: String -> Lit Source #

stringPrimL :: [Word8] -> Lit Source #

bytesPrimL :: Bytes -> Lit Source #

rationalL :: Rational -> Lit Source #

litP :: Quote m => Lit -> m Pat Source #

varP :: Quote m => Name -> m Pat Source #

tupP :: Quote m => [m Pat] -> m Pat Source #

unboxedTupP :: Quote m => [m Pat] -> m Pat Source #

unboxedSumP :: Quote m => m Pat -> SumAlt -> SumArity -> m Pat Source #

conP :: Quote m => Name -> [m Pat] -> m Pat Source #

infixP :: Quote m => m Pat -> Name -> m Pat -> m Pat Source #

uInfixP :: Quote m => m Pat -> Name -> m Pat -> m Pat Source #

parensP :: Quote m => m Pat -> m Pat Source #

tildeP :: Quote m => m Pat -> m Pat Source #

bangP :: Quote m => m Pat -> m Pat Source #

asP :: Quote m => Name -> m Pat -> m Pat Source #

wildP :: Quote m => m Pat Source #

recP :: Quote m => Name -> [m FieldPat] -> m Pat Source #

listP :: Quote m => [m Pat] -> m Pat Source #

sigP :: Quote m => m Pat -> m Type -> m Pat Source #

viewP :: Quote m => m Exp -> m Pat -> m Pat Source #

fieldPat :: Quote m => Name -> m Pat -> m FieldPat Source #

Stmt

bindS :: Quote m => m Pat -> m Exp -> m Stmt Source #

letS :: Quote m => [m Dec] -> m Stmt Source #

noBindS :: Quote m => m Exp -> m Stmt Source #

parS :: Quote m => [[m Stmt]] -> m Stmt Source #

recS :: Quote m => [m Stmt] -> m Stmt Source #

Range

fromR :: Quote m => m Exp -> m Range Source #

fromThenR :: Quote m => m Exp -> m Exp -> m Range Source #

fromToR :: Quote m => m Exp -> m Exp -> m Range Source #

fromThenToR :: Quote m => m Exp -> m Exp -> m Exp -> m Range Source #

Body

normalB :: Quote m => m Exp -> m Body Source #

guardedB :: Quote m => [m (Guard, Exp)] -> m Body Source #

Guard

normalG :: Quote m => m Exp -> m Guard Source #

normalGE :: Quote m => m Exp -> m Exp -> m (Guard, Exp) Source #

patG :: Quote m => [m Stmt] -> m Guard Source #

patGE :: Quote m => [m Stmt] -> m Exp -> m (Guard, Exp) Source #

Match and Clause

match :: Quote m => m Pat -> m Body -> [m Dec] -> m Match Source #

Use with caseE

clause :: Quote m => [m Pat] -> m Body -> [m Dec] -> m Clause Source #

Use with funD

Exp

dyn :: Quote m => String -> m Exp Source #

Dynamically binding a variable (unhygenic)

varE :: Quote m => Name -> m Exp Source #

conE :: Quote m => Name -> m Exp Source #

litE :: Quote m => Lit -> m Exp Source #

appE :: Quote m => m Exp -> m Exp -> m Exp Source #

appTypeE :: Quote m => m Exp -> m Type -> m Exp Source #

parensE :: Quote m => m Exp -> m Exp Source #

uInfixE :: Quote m => m Exp -> m Exp -> m Exp -> m Exp Source #

infixE :: Quote m => Maybe (m Exp) -> m Exp -> Maybe (m Exp) -> m Exp Source #

infixApp :: Quote m => m Exp -> m Exp -> m Exp -> m Exp Source #

sectionL :: Quote m => m Exp -> m Exp -> m Exp Source #

sectionR :: Quote m => m Exp -> m Exp -> m Exp Source #

lamE :: Quote m => [m Pat] -> m Exp -> m Exp Source #

lam1E :: Quote m => m Pat -> m Exp -> m Exp Source #

Single-arg lambda

lamCaseE :: Quote m => [m Match] -> m Exp Source #

tupE :: Quote m => [Maybe (m Exp)] -> m Exp Source #

unboxedTupE :: Quote m => [Maybe (m Exp)] -> m Exp Source #

unboxedSumE :: Quote m => m Exp -> SumAlt -> SumArity -> m Exp Source #

condE :: Quote m => m Exp -> m Exp -> m Exp -> m Exp Source #

multiIfE :: Quote m => [m (Guard, Exp)] -> m Exp Source #

letE :: Quote m => [m Dec] -> m Exp -> m Exp Source #

caseE :: Quote m => m Exp -> [m Match] -> m Exp Source #

doE :: Quote m => Maybe ModName -> [m Stmt] -> m Exp Source #

mdoE :: Quote m => Maybe ModName -> [m Stmt] -> m Exp Source #

compE :: Quote m => [m Stmt] -> m Exp Source #

arithSeqE :: Quote m => m Range -> m Exp Source #

listE :: Quote m => [m Exp] -> m Exp Source #

sigE :: Quote m => m Exp -> m Type -> m Exp Source #

recConE :: Quote m => Name -> [m (Name, Exp)] -> m Exp Source #

recUpdE :: Quote m => m Exp -> [m (Name, Exp)] -> m Exp Source #

stringE :: Quote m => String -> m Exp Source #

fieldExp :: Quote m => Name -> m Exp -> m (Name, Exp) Source #

staticE :: Quote m => m Exp -> m Exp Source #

staticE x = [| static x |]

unboundVarE :: Quote m => Name -> m Exp Source #

labelE :: Quote m => String -> m Exp Source #

implicitParamVarE :: Quote m => String -> m Exp Source #

arithSeqE Shortcuts

fromE :: Quote m => m Exp -> m Exp Source #

fromThenE :: Quote m => m Exp -> m Exp -> m Exp Source #

fromToE :: Quote m => m Exp -> m Exp -> m Exp Source #

fromThenToE :: Quote m => m Exp -> m Exp -> m Exp -> m Exp Source #

Dec

valD :: Quote m => m Pat -> m Body -> [m Dec] -> m Dec Source #

funD :: Quote m => Name -> [m Clause] -> m Dec Source #

tySynD :: Quote m => Name -> [m (TyVarBndr ())] -> m Type -> m Dec Source #

dataD :: Quote m => m Cxt -> Name -> [m (TyVarBndr ())] -> Maybe (m Kind) -> [m Con] -> [m DerivClause] -> m Dec Source #

newtypeD :: Quote m => m Cxt -> Name -> [m (TyVarBndr ())] -> Maybe (m Kind) -> m Con -> [m DerivClause] -> m Dec Source #

classD :: Quote m => m Cxt -> Name -> [m (TyVarBndr ())] -> [FunDep] -> [m Dec] -> m Dec Source #

instanceD :: Quote m => m Cxt -> m Type -> [m Dec] -> m Dec Source #

instanceWithOverlapD :: Quote m => Maybe Overlap -> m Cxt -> m Type -> [m Dec] -> m Dec Source #

sigD :: Quote m => Name -> m Type -> m Dec Source #

kiSigD :: Quote m => Name -> m Kind -> m Dec Source #

forImpD :: Quote m => Callconv -> Safety -> String -> Name -> m Type -> m Dec Source #

infixLD :: Quote m => Int -> Name -> m Dec Source #

infixRD :: Quote m => Int -> Name -> m Dec Source #

infixND :: Quote m => Int -> Name -> m Dec Source #

pragInlD :: Quote m => Name -> Inline -> RuleMatch -> Phases -> m Dec Source #

pragSpecD :: Quote m => Name -> m Type -> Phases -> m Dec Source #

pragSpecInlD :: Quote m => Name -> m Type -> Inline -> Phases -> m Dec Source #

pragSpecInstD :: Quote m => m Type -> m Dec Source #

pragRuleD :: Quote m => String -> Maybe [m (TyVarBndr ())] -> [m RuleBndr] -> m Exp -> m Exp -> Phases -> m Dec Source #

pragAnnD :: Quote m => AnnTarget -> m Exp -> m Dec Source #

pragLineD :: Quote m => Int -> String -> m Dec Source #

pragCompleteD :: Quote m => [Name] -> Maybe Name -> m Dec Source #

dataInstD :: Quote m => m Cxt -> Maybe [m (TyVarBndr ())] -> m Type -> Maybe (m Kind) -> [m Con] -> [m DerivClause] -> m Dec Source #

newtypeInstD :: Quote m => m Cxt -> Maybe [m (TyVarBndr ())] -> m Type -> Maybe (m Kind) -> m Con -> [m DerivClause] -> m Dec Source #

tySynInstD :: Quote m => m TySynEqn -> m Dec Source #

dataFamilyD :: Quote m => Name -> [m (TyVarBndr ())] -> Maybe (m Kind) -> m Dec Source #

openTypeFamilyD :: Quote m => Name -> [m (TyVarBndr ())] -> m FamilyResultSig -> Maybe InjectivityAnn -> m Dec Source #

closedTypeFamilyD :: Quote m => Name -> [m (TyVarBndr ())] -> m FamilyResultSig -> Maybe InjectivityAnn -> [m TySynEqn] -> m Dec Source #

roleAnnotD :: Quote m => Name -> [Role] -> m Dec Source #

standaloneDerivD :: Quote m => m Cxt -> m Type -> m Dec Source #

standaloneDerivWithStrategyD :: Quote m => Maybe (m DerivStrategy) -> m Cxt -> m Type -> m Dec Source #

defaultSigD :: Quote m => Name -> m Type -> m Dec Source #

patSynD :: Quote m => Name -> m PatSynArgs -> m PatSynDir -> m Pat -> m Dec Source #

Pattern synonym declaration

patSynSigD :: Quote m => Name -> m Type -> m Dec Source #

Pattern synonym type signature

implicitParamBindD :: Quote m => String -> m Exp -> m Dec Source #

Implicit parameter binding declaration. Can only be used in let and where clauses which consist entirely of implicit bindings.

tySynEqn :: Quote m => Maybe [m (TyVarBndr ())] -> m Type -> m Type -> m TySynEqn Source #

cxt :: Quote m => [m Pred] -> m Cxt Source #

derivClause :: Quote m => Maybe (m DerivStrategy) -> [m Pred] -> m DerivClause Source #

stockStrategy :: Quote m => m DerivStrategy Source #

anyclassStrategy :: Quote m => m DerivStrategy Source #

newtypeStrategy :: Quote m => m DerivStrategy Source #

viaStrategy :: Quote m => m Type -> m DerivStrategy Source #

normalC :: Quote m => Name -> [m BangType] -> m Con Source #

recC :: Quote m => Name -> [m VarBangType] -> m Con Source #

infixC :: Quote m => m (Bang, Type) -> Name -> m (Bang, Type) -> m Con Source #

forallC :: Quote m => [m (TyVarBndr Specificity)] -> m Cxt -> m Con -> m Con Source #

gadtC :: Quote m => [Name] -> [m StrictType] -> m Type -> m Con Source #

recGadtC :: Quote m => [Name] -> [m VarStrictType] -> m Type -> m Con Source #

Type

forallT :: Quote m => [m (TyVarBndr Specificity)] -> m Cxt -> m Type -> m Type Source #

forallVisT :: Quote m => [m (TyVarBndr ())] -> m Type -> m Type Source #

varT :: Quote m => Name -> m Type Source #

conT :: Quote m => Name -> m Type Source #

infixT :: Quote m => m Type -> Name -> m Type -> m Type Source #

uInfixT :: Quote m => m Type -> Name -> m Type -> m Type Source #

parensT :: Quote m => m Type -> m Type Source #

appT :: Quote m => m Type -> m Type -> m Type Source #

appKindT :: Quote m => m Type -> m Kind -> m Type Source #

arrowT :: Quote m => m Type Source #

mulArrowT :: Quote m => m Type Source #

listT :: Quote m => m Type Source #

litT :: Quote m => m TyLit -> m Type Source #

tupleT :: Quote m => Int -> m Type Source #

unboxedTupleT :: Quote m => Int -> m Type Source #

unboxedSumT :: Quote m => SumArity -> m Type Source #

sigT :: Quote m => m Type -> m Kind -> m Type Source #

equalityT :: Quote m => m Type Source #

wildCardT :: Quote m => m Type Source #

implicitParamT :: Quote m => String -> m Type -> m Type Source #

classP :: Quote m => Name -> [m Type] -> m Pred Source #

Deprecated: As of template-haskell-2.10, constraint predicates (Pred) are just types (Type), in keeping with ConstraintKinds. Please use conT and appT.

equalP :: Quote m => m Type -> m Type -> m Pred Source #

Deprecated: As of template-haskell-2.10, constraint predicates (Pred) are just types (Type), in keeping with ConstraintKinds. Please see equalityT.

promotedT :: Quote m => Name -> m Type Source #

promotedTupleT :: Quote m => Int -> m Type Source #

promotedNilT :: Quote m => m Type Source #

promotedConsT :: Quote m => m Type Source #

noSourceUnpackedness :: Quote m => m SourceUnpackedness Source #

sourceNoUnpack :: Quote m => m SourceUnpackedness Source #

sourceUnpack :: Quote m => m SourceUnpackedness Source #

noSourceStrictness :: Quote m => m SourceStrictness Source #

sourceLazy :: Quote m => m SourceStrictness Source #

sourceStrict :: Quote m => m SourceStrictness Source #

isStrict :: Quote m => m Strict Source #

Deprecated: Use bang. See https://gitlab.haskell.org/ghc/ghc/wikis/migration/8.0. Example usage: 'bang noSourceUnpackedness sourceStrict'

notStrict :: Quote m => m Strict Source #

Deprecated: Use bang. See https://gitlab.haskell.org/ghc/ghc/wikis/migration/8.0. Example usage: 'bang noSourceUnpackedness noSourceStrictness'

unpacked :: Quote m => m Strict Source #

Deprecated: Use bang. See https://gitlab.haskell.org/ghc/ghc/wikis/migration/8.0. Example usage: 'bang sourceUnpack sourceStrict'

bang :: Quote m => m SourceUnpackedness -> m SourceStrictness -> m Bang Source #

bangType :: Quote m => m Bang -> m Type -> m BangType Source #

varBangType :: Quote m => Name -> m BangType -> m VarBangType Source #

strictType :: Quote m => m Strict -> m Type -> m StrictType Source #

Deprecated: As of template-haskell-2.11.0.0, StrictType has been replaced by BangType. Please use bangType instead.

varStrictType :: Quote m => Name -> m StrictType -> m VarStrictType Source #

Deprecated: As of template-haskell-2.11.0.0, VarStrictType has been replaced by VarBangType. Please use varBangType instead.

Type Literals

numTyLit :: Quote m => Integer -> m TyLit Source #

strTyLit :: Quote m => String -> m TyLit Source #

Kind

plainTV :: Quote m => Name -> m (TyVarBndr ()) Source #

plainInvisTV :: Quote m => Name -> Specificity -> m (TyVarBndr Specificity) Source #

kindedTV :: Quote m => Name -> m Kind -> m (TyVarBndr ()) Source #

kindedInvisTV :: Quote m => Name -> Specificity -> m Kind -> m (TyVarBndr Specificity) Source #

specifiedSpec :: Specificity Source #

inferredSpec :: Specificity Source #

varK :: Name -> Kind Source #

conK :: Name -> Kind Source #

tupleK :: Int -> Kind Source #

arrowK :: Kind Source #

listK :: Kind Source #

appK :: Kind -> Kind -> Kind Source #

starK :: Quote m => m Kind Source #

constraintK :: Quote m => m Kind Source #

Type family result

noSig :: Quote m => m FamilyResultSig Source #

kindSig :: Quote m => m Kind -> m FamilyResultSig Source #

tyVarSig :: Quote m => m (TyVarBndr ()) -> m FamilyResultSig Source #

Injectivity annotation

injectivityAnn :: Name -> [Name] -> InjectivityAnn Source #

Role

nominalR :: Role Source #

representationalR :: Role Source #

phantomR :: Role Source #

inferR :: Role Source #

Callconv

cCall :: Callconv Source #

stdCall :: Callconv Source #

cApi :: Callconv Source #

prim :: Callconv Source #

javaScript :: Callconv Source #

Safety

unsafe :: Safety Source #

safe :: Safety Source #

interruptible :: Safety Source #

FunDep

funDep :: [Name] -> [Name] -> FunDep Source #

RuleBndr

ruleVar :: Quote m => Name -> m RuleBndr Source #

typedRuleVar :: Quote m => Name -> m Type -> m RuleBndr Source #

AnnTarget

valueAnnotation :: Name -> AnnTarget Source #

typeAnnotation :: Name -> AnnTarget Source #

moduleAnnotation :: AnnTarget Source #

Pattern Synonyms (sub constructs)

unidir :: Quote m => m PatSynDir Source #

implBidir :: Quote m => m PatSynDir Source #

explBidir :: Quote m => [m Clause] -> m PatSynDir Source #

prefixPatSyn :: Quote m => [Name] -> m PatSynArgs Source #

recordPatSyn :: Quote m => [Name] -> m PatSynArgs Source #

infixPatSyn :: Quote m => Name -> Name -> m PatSynArgs Source #

Useful helper function

appsE :: Quote m => [m Exp] -> m Exp Source #

thisModule :: Q Module Source #

pure the Module at the place of splicing. Can be used as an input for reifyModule.