cryptol-2.8.0: Cryptol: The Language of Cryptography
Copyright(c) 2013-2016 Galois Inc.
LicenseBSD3
Maintainercryptol@galois.com
Stabilityprovisional
Portabilityportable
Safe HaskellSafe
LanguageHaskell2010

Cryptol.Eval.Type

Description

 
Synopsis

Documentation

data TValue Source #

An evaluated type of kind *. These types do not contain type variables, type synonyms, or type functions.

Constructors

TVBit
 Bit
TVInteger
 Integer
TVIntMod Integer
 Z n
TVSeq Integer TValue
 [n]a
TVStream TValue
 [inf]t
TVTuple [TValue]
 (a, b, c )
TVRec [(Ident, TValue)]
 { x : a, y : b, z : c }
TVFun TValue TValue
 a -> b
TVAbstract UserTC [Either Nat' TValue]

an abstract type

Instances

Instances details
Show TValue Source # 
Instance details

Defined in Cryptol.Eval.Type

Methods

showsPrec :: Int -> TValue -> ShowS

show :: TValue -> String

showList :: [TValue] -> ShowS

Generic TValue Source # 
Instance details

Defined in Cryptol.Eval.Type

Associated Types

type Rep TValue :: Type -> Type

Methods

from :: TValue -> Rep TValue x

to :: Rep TValue x -> TValue

NFData TValue Source # 
Instance details

Defined in Cryptol.Eval.Type

Methods

rnf :: TValue -> ()

type Rep TValue Source # 
Instance details

Defined in Cryptol.Eval.Type

type Rep TValue = D1 ('MetaData "TValue" "Cryptol.Eval.Type" "cryptol-2.8.0-8MjdO3NUDs4I9u4d2J06AM" 'False) (((C1 ('MetaCons "TVBit" 'PrefixI 'False) (U1 :: Type -> Type) :+: C1 ('MetaCons "TVInteger" 'PrefixI 'False) (U1 :: Type -> Type)) :+: (C1 ('MetaCons "TVIntMod" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Integer)) :+: C1 ('MetaCons "TVSeq" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 Integer) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 TValue)))) :+: ((C1 ('MetaCons "TVStream" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 TValue)) :+: C1 ('MetaCons "TVTuple" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [TValue]))) :+: (C1 ('MetaCons "TVRec" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [(Ident, TValue)])) :+: (C1 ('MetaCons "TVFun" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 TValue) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 TValue)) :+: C1 ('MetaCons "TVAbstract" 'PrefixI 'False) (S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 UserTC) :*: S1 ('MetaSel ('Nothing :: Maybe Symbol) 'NoSourceUnpackedness 'NoSourceStrictness 'DecidedLazy) (Rec0 [Either Nat' TValue]))))))

tValTy :: TValue -> Type Source #

Convert a type value back into a regular type

isTBit :: TValue -> Bool Source #

True if the evaluated value is Bit

tvSeq :: Nat' -> TValue -> TValue Source #

Produce a sequence type value

finNat' :: Nat' -> Integer Source #

Coerce an extended natural into an integer, for values known to be finite

type TypeEnv = Map TVar (Either Nat' TValue) Source #

evalType :: HasCallStack => TypeEnv -> Type -> Either Nat' TValue Source #

Evaluation for types (kind * or #).

evalValType :: HasCallStack => TypeEnv -> Type -> TValue Source #

Evaluation for value types (kind *).

evalNumType :: HasCallStack => TypeEnv -> Type -> Nat' Source #

Evaluation for number types (kind #).

evalTF :: HasCallStack => TFun -> [Nat'] -> Nat' Source #

Reduce type functions, raising an exception for undefined values.