module Language.Futhark.TypeChecker.Monad
( TypeM,
runTypeM,
askEnv,
askImportName,
atTopLevel,
enteringModule,
bindSpaced,
qualifyTypeVars,
lookupMTy,
lookupImport,
localEnv,
TypeError (..),
prettyTypeError,
prettyTypeErrorNoLoc,
withIndexLink,
unappliedFunctor,
unknownVariable,
unknownType,
underscoreUse,
Notes,
aNote,
MonadTypeChecker (..),
TypeState (stateNameSource),
checkName,
checkAttr,
badOnLeft,
module Language.Futhark.Warnings,
Env (..),
TySet,
FunSig (..),
ImportTable,
NameMap,
BoundV (..),
Mod (..),
TypeBinding (..),
MTy (..),
anySignedType,
anyUnsignedType,
anyIntType,
anyFloatType,
anyNumberType,
anyPrimType,
Namespace (..),
intrinsicsNameMap,
topLevelNameMap,
mkTypeVarName,
)
where
import Control.Monad
import Control.Monad.Except
import Control.Monad.Reader
import Control.Monad.State.Strict
import Data.Either
import Data.List (find, isPrefixOf)
import Data.Map.Strict qualified as M
import Data.Maybe
import Data.Set qualified as S
import Data.Version qualified as Version
import Futhark.FreshNames hiding (newName)
import Futhark.FreshNames qualified
import Futhark.Util.Pretty hiding (space)
import Language.Futhark
import Language.Futhark.Semantic
import Language.Futhark.Warnings
import Paths_futhark qualified
import Prelude hiding (mapM, mod)
newtype Note = Note (Doc ())
newtype Notes = Notes [Note]
deriving (NonEmpty Notes -> Notes
Notes -> Notes -> Notes
forall b. Integral b => b -> Notes -> Notes
forall a.
(a -> a -> a)
-> (NonEmpty a -> a)
-> (forall b. Integral b => b -> a -> a)
-> Semigroup a
stimes :: forall b. Integral b => b -> Notes -> Notes
$cstimes :: forall b. Integral b => b -> Notes -> Notes
sconcat :: NonEmpty Notes -> Notes
$csconcat :: NonEmpty Notes -> Notes
<> :: Notes -> Notes -> Notes
$c<> :: Notes -> Notes -> Notes
Semigroup, Semigroup Notes
Notes
[Notes] -> Notes
Notes -> Notes -> Notes
forall a.
Semigroup a -> a -> (a -> a -> a) -> ([a] -> a) -> Monoid a
mconcat :: [Notes] -> Notes
$cmconcat :: [Notes] -> Notes
mappend :: Notes -> Notes -> Notes
$cmappend :: Notes -> Notes -> Notes
mempty :: Notes
$cmempty :: Notes
Monoid)
instance Pretty Note where
pretty :: forall ann. Note -> Doc ann
pretty (Note Doc ()
msg) = forall ann xxx. Doc ann -> Doc xxx
unAnnotate forall a b. (a -> b) -> a -> b
$ Doc ()
"Note:" forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall ann. Doc ann -> Doc ann
align Doc ()
msg
instance Pretty Notes where
pretty :: forall ann. Notes -> Doc ann
pretty (Notes [Note]
notes) = forall ann xxx. Doc ann -> Doc xxx
unAnnotate forall a b. (a -> b) -> a -> b
$ forall (t :: * -> *) m a.
(Foldable t, Monoid m) =>
(a -> m) -> t a -> m
foldMap (((forall ann. Doc ann
line forall a. Semigroup a => a -> a -> a
<> forall ann. Doc ann
line) <>) forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a ann. Pretty a => a -> Doc ann
pretty) [Note]
notes
aNote :: Doc () -> Notes
aNote :: Doc () -> Notes
aNote = [Note] -> Notes
Notes forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (f :: * -> *) a. Applicative f => a -> f a
pure forall b c a. (b -> c) -> (a -> b) -> a -> c
. Doc () -> Note
Note
data TypeError = TypeError Loc Notes (Doc ())
prettyTypeError :: TypeError -> Doc AnsiStyle
prettyTypeError :: TypeError -> Doc AnsiStyle
prettyTypeError (TypeError Loc
loc Notes
notes Doc ()
msg) =
forall ann. ann -> Doc ann -> Doc ann
annotate
(AnsiStyle
bold forall a. Semigroup a => a -> a -> a
<> Color -> AnsiStyle
color Color
Red)
(Doc AnsiStyle
"Error at " forall a. Semigroup a => a -> a -> a
<> forall a ann. Pretty a => a -> Doc ann
pretty (forall a. Located a => a -> Text
locText (forall a. Located a => a -> SrcLoc
srclocOf Loc
loc)) forall a. Semigroup a => a -> a -> a
<> Doc AnsiStyle
":")
forall ann. Doc ann -> Doc ann -> Doc ann
</> TypeError -> Doc AnsiStyle
prettyTypeErrorNoLoc (Loc -> Notes -> Doc () -> TypeError
TypeError Loc
loc Notes
notes Doc ()
msg)
prettyTypeErrorNoLoc :: TypeError -> Doc AnsiStyle
prettyTypeErrorNoLoc :: TypeError -> Doc AnsiStyle
prettyTypeErrorNoLoc (TypeError Loc
_ Notes
notes Doc ()
msg) =
forall ann xxx. Doc ann -> Doc xxx
unAnnotate Doc ()
msg forall a. Semigroup a => a -> a -> a
<> forall a ann. Pretty a => a -> Doc ann
pretty Notes
notes forall a. Semigroup a => a -> a -> a
<> forall ann. Doc ann
hardline
errorIndexUrl :: Doc a
errorIndexUrl :: forall ann. Doc ann
errorIndexUrl = Doc a
version_url forall a. Semigroup a => a -> a -> a
<> Doc a
"error-index.html"
where
version :: Version
version = Version
Paths_futhark.version
base_url :: Doc a
base_url = Doc a
"https://futhark.readthedocs.io/en/"
version_url :: Doc a
version_url
| forall a. [a] -> a
last (Version -> [Int]
Version.versionBranch Version
version) forall a. Eq a => a -> a -> Bool
== Int
0 = Doc a
base_url forall a. Semigroup a => a -> a -> a
<> Doc a
"latest/"
| Bool
otherwise = Doc a
base_url forall a. Semigroup a => a -> a -> a
<> Doc a
"v" forall a. Semigroup a => a -> a -> a
<> forall a ann. Pretty a => a -> Doc ann
pretty (Version -> String
Version.showVersion Version
version) forall a. Semigroup a => a -> a -> a
<> Doc a
"/"
withIndexLink :: Doc a -> Doc a -> Doc a
withIndexLink :: forall ann. Doc ann -> Doc ann -> Doc ann
withIndexLink Doc a
href Doc a
msg =
forall a. [Doc a] -> Doc a
stack
[ Doc a
msg,
Doc a
"\nFor more information, see:",
forall ann. Int -> Doc ann -> Doc ann
indent Int
2 (forall ann. Doc ann
errorIndexUrl forall a. Semigroup a => a -> a -> a
<> Doc a
"#" forall a. Semigroup a => a -> a -> a
<> Doc a
href)
]
unappliedFunctor :: MonadTypeChecker m => SrcLoc -> m a
unappliedFunctor :: forall (m :: * -> *) a. MonadTypeChecker m => SrcLoc -> m a
unappliedFunctor SrcLoc
loc =
forall (m :: * -> *) loc a.
(MonadTypeChecker m, Located loc) =>
loc -> Notes -> Doc () -> m a
typeError SrcLoc
loc forall a. Monoid a => a
mempty Doc ()
"Cannot have parametric module here."
unknownVariable ::
MonadTypeChecker m =>
Namespace ->
QualName Name ->
SrcLoc ->
m a
unknownVariable :: forall (m :: * -> *) a.
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m a
unknownVariable Namespace
space QualName Name
name SrcLoc
loc =
forall (m :: * -> *) loc a.
(MonadTypeChecker m, Located loc) =>
loc -> Notes -> Doc () -> m a
typeError SrcLoc
loc forall a. Monoid a => a
mempty forall a b. (a -> b) -> a -> b
$
Doc ()
"Unknown" forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall a ann. Pretty a => a -> Doc ann
pretty Namespace
space forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall ann. Doc ann -> Doc ann
dquotes (forall a ann. Pretty a => a -> Doc ann
pretty QualName Name
name)
unknownType :: MonadTypeChecker m => SrcLoc -> QualName Name -> m a
unknownType :: forall (m :: * -> *) a.
MonadTypeChecker m =>
SrcLoc -> QualName Name -> m a
unknownType SrcLoc
loc QualName Name
name =
forall (m :: * -> *) loc a.
(MonadTypeChecker m, Located loc) =>
loc -> Notes -> Doc () -> m a
typeError SrcLoc
loc forall a. Monoid a => a
mempty forall a b. (a -> b) -> a -> b
$ Doc ()
"Unknown type" forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall a ann. Pretty a => a -> Doc ann
pretty QualName Name
name forall a. Semigroup a => a -> a -> a
<> Doc ()
"."
underscoreUse ::
MonadTypeChecker m =>
SrcLoc ->
QualName Name ->
m a
underscoreUse :: forall (m :: * -> *) a.
MonadTypeChecker m =>
SrcLoc -> QualName Name -> m a
underscoreUse SrcLoc
loc QualName Name
name =
forall (m :: * -> *) loc a.
(MonadTypeChecker m, Located loc) =>
loc -> Notes -> Doc () -> m a
typeError SrcLoc
loc forall a. Monoid a => a
mempty forall a b. (a -> b) -> a -> b
$
Doc ()
"Use of"
forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall ann. Doc ann -> Doc ann
dquotes (forall a ann. Pretty a => a -> Doc ann
pretty QualName Name
name)
forall a. Semigroup a => a -> a -> a
<> Doc ()
": variables prefixed with underscore may not be accessed."
type ImportTable = M.Map ImportName Env
data Context = Context
{ Context -> Env
contextEnv :: Env,
Context -> ImportTable
contextImportTable :: ImportTable,
Context -> ImportName
contextImportName :: ImportName,
Context -> Bool
contextAtTopLevel :: Bool,
Context -> UncheckedExp -> TypeM Exp
contextCheckExp :: UncheckedExp -> TypeM Exp
}
data TypeState = TypeState
{ TypeState -> VNameSource
stateNameSource :: VNameSource,
TypeState -> Warnings
stateWarnings :: Warnings,
TypeState -> Int
stateCounter :: Int
}
newtype TypeM a
= TypeM
( ReaderT
Context
(StateT TypeState (Except (Warnings, TypeError)))
a
)
deriving
( Applicative TypeM
forall a. a -> TypeM a
forall a b. TypeM a -> TypeM b -> TypeM b
forall a b. TypeM a -> (a -> TypeM b) -> TypeM b
forall (m :: * -> *).
Applicative m
-> (forall a b. m a -> (a -> m b) -> m b)
-> (forall a b. m a -> m b -> m b)
-> (forall a. a -> m a)
-> Monad m
return :: forall a. a -> TypeM a
$creturn :: forall a. a -> TypeM a
>> :: forall a b. TypeM a -> TypeM b -> TypeM b
$c>> :: forall a b. TypeM a -> TypeM b -> TypeM b
>>= :: forall a b. TypeM a -> (a -> TypeM b) -> TypeM b
$c>>= :: forall a b. TypeM a -> (a -> TypeM b) -> TypeM b
Monad,
forall a b. a -> TypeM b -> TypeM a
forall a b. (a -> b) -> TypeM a -> TypeM b
forall (f :: * -> *).
(forall a b. (a -> b) -> f a -> f b)
-> (forall a b. a -> f b -> f a) -> Functor f
<$ :: forall a b. a -> TypeM b -> TypeM a
$c<$ :: forall a b. a -> TypeM b -> TypeM a
fmap :: forall a b. (a -> b) -> TypeM a -> TypeM b
$cfmap :: forall a b. (a -> b) -> TypeM a -> TypeM b
Functor,
Functor TypeM
forall a. a -> TypeM a
forall a b. TypeM a -> TypeM b -> TypeM a
forall a b. TypeM a -> TypeM b -> TypeM b
forall a b. TypeM (a -> b) -> TypeM a -> TypeM b
forall a b c. (a -> b -> c) -> TypeM a -> TypeM b -> TypeM c
forall (f :: * -> *).
Functor f
-> (forall a. a -> f a)
-> (forall a b. f (a -> b) -> f a -> f b)
-> (forall a b c. (a -> b -> c) -> f a -> f b -> f c)
-> (forall a b. f a -> f b -> f b)
-> (forall a b. f a -> f b -> f a)
-> Applicative f
<* :: forall a b. TypeM a -> TypeM b -> TypeM a
$c<* :: forall a b. TypeM a -> TypeM b -> TypeM a
*> :: forall a b. TypeM a -> TypeM b -> TypeM b
$c*> :: forall a b. TypeM a -> TypeM b -> TypeM b
liftA2 :: forall a b c. (a -> b -> c) -> TypeM a -> TypeM b -> TypeM c
$cliftA2 :: forall a b c. (a -> b -> c) -> TypeM a -> TypeM b -> TypeM c
<*> :: forall a b. TypeM (a -> b) -> TypeM a -> TypeM b
$c<*> :: forall a b. TypeM (a -> b) -> TypeM a -> TypeM b
pure :: forall a. a -> TypeM a
$cpure :: forall a. a -> TypeM a
Applicative,
MonadReader Context,
MonadState TypeState
)
instance MonadError TypeError TypeM where
throwError :: forall a. TypeError -> TypeM a
throwError TypeError
e = forall a.
ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
-> TypeM a
TypeM forall a b. (a -> b) -> a -> b
$ do
Warnings
ws <- forall s (m :: * -> *) a. MonadState s m => (s -> a) -> m a
gets TypeState -> Warnings
stateWarnings
forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError (Warnings
ws, TypeError
e)
catchError :: forall a. TypeM a -> (TypeError -> TypeM a) -> TypeM a
catchError (TypeM ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
m) TypeError -> TypeM a
f =
forall a.
ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
-> TypeM a
TypeM forall a b. (a -> b) -> a -> b
$ ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
m forall e (m :: * -> *) a.
MonadError e m =>
m a -> (e -> m a) -> m a
`catchError` forall {a}.
(a, TypeError)
-> ReaderT
Context (StateT TypeState (Except (Warnings, TypeError))) a
f'
where
f' :: (a, TypeError)
-> ReaderT
Context (StateT TypeState (Except (Warnings, TypeError))) a
f' (a
_, TypeError
e) =
let TypeM ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
m' = TypeError -> TypeM a
f TypeError
e
in ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
m'
runTypeM ::
Env ->
ImportTable ->
ImportName ->
VNameSource ->
(UncheckedExp -> TypeM Exp) ->
TypeM a ->
(Warnings, Either TypeError (a, VNameSource))
runTypeM :: forall a.
Env
-> ImportTable
-> ImportName
-> VNameSource
-> (UncheckedExp -> TypeM Exp)
-> TypeM a
-> (Warnings, Either TypeError (a, VNameSource))
runTypeM Env
env ImportTable
imports ImportName
fpath VNameSource
src UncheckedExp -> TypeM Exp
checker (TypeM ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
m) = do
let ctx :: Context
ctx = Env
-> ImportTable
-> ImportName
-> Bool
-> (UncheckedExp -> TypeM Exp)
-> Context
Context Env
env ImportTable
imports ImportName
fpath Bool
True UncheckedExp -> TypeM Exp
checker
s :: TypeState
s = VNameSource -> Warnings -> Int -> TypeState
TypeState VNameSource
src forall a. Monoid a => a
mempty Int
0
case forall e a. Except e a -> Either e a
runExcept forall a b. (a -> b) -> a -> b
$ forall s (m :: * -> *) a. StateT s m a -> s -> m (a, s)
runStateT (forall r (m :: * -> *) a. ReaderT r m a -> r -> m a
runReaderT ReaderT Context (StateT TypeState (Except (Warnings, TypeError))) a
m Context
ctx) TypeState
s of
Left (Warnings
ws, TypeError
e) -> (Warnings
ws, forall a b. a -> Either a b
Left TypeError
e)
Right (a
x, TypeState VNameSource
src' Warnings
ws Int
_) -> (Warnings
ws, forall a b. b -> Either a b
Right (a
x, VNameSource
src'))
askEnv :: TypeM Env
askEnv :: TypeM Env
askEnv = forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks Context -> Env
contextEnv
askImportName :: TypeM ImportName
askImportName :: TypeM ImportName
askImportName = forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks Context -> ImportName
contextImportName
atTopLevel :: TypeM Bool
atTopLevel :: TypeM Bool
atTopLevel = forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks Context -> Bool
contextAtTopLevel
enteringModule :: TypeM a -> TypeM a
enteringModule :: forall a. TypeM a -> TypeM a
enteringModule = forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local forall a b. (a -> b) -> a -> b
$ \Context
ctx -> Context
ctx {contextAtTopLevel :: Bool
contextAtTopLevel = Bool
False}
lookupMTy :: SrcLoc -> QualName Name -> TypeM (QualName VName, MTy)
lookupMTy :: SrcLoc -> QualName Name -> TypeM (QualName VName, MTy)
lookupMTy SrcLoc
loc QualName Name
qn = do
(Env
scope, qn' :: QualName VName
qn'@(QualName [VName]
_ VName
name)) <- Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv Namespace
Signature QualName Name
qn SrcLoc
loc
(QualName VName
qn',) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall b a. b -> (a -> b) -> Maybe a -> b
maybe forall {a}. TypeM a
explode forall (f :: * -> *) a. Applicative f => a -> f a
pure (forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup VName
name forall a b. (a -> b) -> a -> b
$ Env -> Map VName MTy
envSigTable Env
scope)
where
explode :: TypeM a
explode = forall (m :: * -> *) a.
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m a
unknownVariable Namespace
Signature QualName Name
qn SrcLoc
loc
lookupImport :: SrcLoc -> FilePath -> TypeM (ImportName, Env)
lookupImport :: SrcLoc -> String -> TypeM (ImportName, Env)
lookupImport SrcLoc
loc String
file = do
ImportTable
imports <- forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks Context -> ImportTable
contextImportTable
ImportName
my_path <- forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks Context -> ImportName
contextImportName
let canonical_import :: ImportName
canonical_import = ImportName -> String -> ImportName
mkImportFrom ImportName
my_path String
file
case forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup ImportName
canonical_import ImportTable
imports of
Maybe Env
Nothing ->
forall (m :: * -> *) loc a.
(MonadTypeChecker m, Located loc) =>
loc -> Notes -> Doc () -> m a
typeError SrcLoc
loc forall a. Monoid a => a
mempty forall a b. (a -> b) -> a -> b
$
Doc ()
"Unknown import"
forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall ann. Doc ann -> Doc ann
dquotes (forall a ann. Pretty a => a -> Doc ann
pretty (ImportName -> Text
includeToText ImportName
canonical_import))
forall ann. Doc ann -> Doc ann -> Doc ann
</> Doc ()
"Known:"
forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall a. [Doc a] -> Doc a
commasep (forall a b. (a -> b) -> [a] -> [b]
map (forall a ann. Pretty a => a -> Doc ann
pretty forall b c a. (b -> c) -> (a -> b) -> a -> c
. ImportName -> Text
includeToText) (forall k a. Map k a -> [k]
M.keys ImportTable
imports))
Just Env
scope -> forall (f :: * -> *) a. Applicative f => a -> f a
pure (ImportName
canonical_import, Env
scope)
localEnv :: Env -> TypeM a -> TypeM a
localEnv :: forall a. Env -> TypeM a -> TypeM a
localEnv Env
env = forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local forall a b. (a -> b) -> a -> b
$ \Context
ctx ->
let env' :: Env
env' = Env
env forall a. Semigroup a => a -> a -> a
<> Context -> Env
contextEnv Context
ctx
in Context
ctx {contextEnv :: Env
contextEnv = Env
env'}
incCounter :: TypeM Int
incCounter :: TypeM Int
incCounter = do
TypeState
s <- forall s (m :: * -> *). MonadState s m => m s
get
forall s (m :: * -> *). MonadState s m => s -> m ()
put TypeState
s {stateCounter :: Int
stateCounter = TypeState -> Int
stateCounter TypeState
s forall a. Num a => a -> a -> a
+ Int
1}
forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ TypeState -> Int
stateCounter TypeState
s
class Monad m => MonadTypeChecker m where
warn :: Located loc => loc -> Doc () -> m ()
warnings :: Warnings -> m ()
newName :: VName -> m VName
newID :: Name -> m VName
newTypeName :: Name -> m VName
bindNameMap :: NameMap -> m a -> m a
bindVal :: VName -> BoundV -> m a -> m a
checkQualName :: Namespace -> QualName Name -> SrcLoc -> m (QualName VName)
lookupType :: SrcLoc -> QualName Name -> m (QualName VName, [TypeParam], StructRetType, Liftedness)
lookupMod :: SrcLoc -> QualName Name -> m (QualName VName, Mod)
lookupVar :: SrcLoc -> QualName Name -> m (QualName VName, StructType)
checkExpForSize :: UncheckedExp -> m Exp
typeError :: Located loc => loc -> Notes -> Doc () -> m a
checkName :: MonadTypeChecker m => Namespace -> Name -> SrcLoc -> m VName
checkName :: forall (m :: * -> *).
MonadTypeChecker m =>
Namespace -> Name -> SrcLoc -> m VName
checkName Namespace
space Name
name SrcLoc
loc = forall vn. QualName vn -> vn
qualLeaf forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (m :: * -> *).
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m (QualName VName)
checkQualName Namespace
space (forall v. v -> QualName v
qualName Name
name) SrcLoc
loc
bindSpaced :: MonadTypeChecker m => [(Namespace, Name)] -> m a -> m a
bindSpaced :: forall (m :: * -> *) a.
MonadTypeChecker m =>
[(Namespace, Name)] -> m a -> m a
bindSpaced [(Namespace, Name)]
names m a
body = do
[VName]
names' <- forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM (forall (m :: * -> *). MonadTypeChecker m => Name -> m VName
newID forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a b. (a, b) -> b
snd) [(Namespace, Name)]
names
let mapping :: Map (Namespace, Name) (QualName VName)
mapping = forall k a. Ord k => [(k, a)] -> Map k a
M.fromList (forall a b. [a] -> [b] -> [(a, b)]
zip [(Namespace, Name)]
names forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map forall v. v -> QualName v
qualName [VName]
names')
forall (m :: * -> *) a.
MonadTypeChecker m =>
Map (Namespace, Name) (QualName VName) -> m a -> m a
bindNameMap Map (Namespace, Name) (QualName VName)
mapping m a
body
instance MonadTypeChecker TypeM where
warnings :: Warnings -> TypeM ()
warnings Warnings
ws =
forall s (m :: * -> *). MonadState s m => (s -> s) -> m ()
modify forall a b. (a -> b) -> a -> b
$ \TypeState
s -> TypeState
s {stateWarnings :: Warnings
stateWarnings = TypeState -> Warnings
stateWarnings TypeState
s forall a. Semigroup a => a -> a -> a
<> Warnings
ws}
warn :: forall loc. Located loc => loc -> Doc () -> TypeM ()
warn loc
loc Doc ()
problem =
forall (m :: * -> *). MonadTypeChecker m => Warnings -> m ()
warnings forall a b. (a -> b) -> a -> b
$ SrcLoc -> Doc () -> Warnings
singleWarning (forall a. Located a => a -> SrcLoc
srclocOf loc
loc) Doc ()
problem
newName :: VName -> TypeM VName
newName VName
v = do
TypeState
s <- forall s (m :: * -> *). MonadState s m => m s
get
let (VName
v', VNameSource
src') = VNameSource -> VName -> (VName, VNameSource)
Futhark.FreshNames.newName (TypeState -> VNameSource
stateNameSource TypeState
s) VName
v
forall s (m :: * -> *). MonadState s m => s -> m ()
put forall a b. (a -> b) -> a -> b
$ TypeState
s {stateNameSource :: VNameSource
stateNameSource = VNameSource
src'}
forall (f :: * -> *) a. Applicative f => a -> f a
pure VName
v'
newID :: Name -> TypeM VName
newID Name
s = forall (m :: * -> *). MonadTypeChecker m => VName -> m VName
newName forall a b. (a -> b) -> a -> b
$ Name -> Int -> VName
VName Name
s Int
0
newTypeName :: Name -> TypeM VName
newTypeName Name
name = do
Int
i <- TypeM Int
incCounter
forall (m :: * -> *). MonadTypeChecker m => Name -> m VName
newID forall a b. (a -> b) -> a -> b
$ Name -> Int -> Name
mkTypeVarName Name
name Int
i
bindNameMap :: forall a.
Map (Namespace, Name) (QualName VName) -> TypeM a -> TypeM a
bindNameMap Map (Namespace, Name) (QualName VName)
m = forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local forall a b. (a -> b) -> a -> b
$ \Context
ctx ->
let env :: Env
env = Context -> Env
contextEnv Context
ctx
in Context
ctx {contextEnv :: Env
contextEnv = Env
env {envNameMap :: Map (Namespace, Name) (QualName VName)
envNameMap = Map (Namespace, Name) (QualName VName)
m forall a. Semigroup a => a -> a -> a
<> Env -> Map (Namespace, Name) (QualName VName)
envNameMap Env
env}}
bindVal :: forall a. VName -> BoundV -> TypeM a -> TypeM a
bindVal VName
v BoundV
t = forall r (m :: * -> *) a. MonadReader r m => (r -> r) -> m a -> m a
local forall a b. (a -> b) -> a -> b
$ \Context
ctx ->
Context
ctx
{ contextEnv :: Env
contextEnv =
(Context -> Env
contextEnv Context
ctx)
{ envVtable :: Map VName BoundV
envVtable = forall k a. Ord k => k -> a -> Map k a -> Map k a
M.insert VName
v BoundV
t forall a b. (a -> b) -> a -> b
$ Env -> Map VName BoundV
envVtable forall a b. (a -> b) -> a -> b
$ Context -> Env
contextEnv Context
ctx
}
}
checkQualName :: Namespace -> QualName Name -> SrcLoc -> TypeM (QualName VName)
checkQualName Namespace
space QualName Name
name SrcLoc
loc = forall a b. (a, b) -> b
snd forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv Namespace
space QualName Name
name SrcLoc
loc
lookupType :: SrcLoc
-> QualName Name
-> TypeM (QualName VName, [TypeParam], StructRetType, Liftedness)
lookupType SrcLoc
loc QualName Name
qn = do
Env
outer_env <- TypeM Env
askEnv
(Env
scope, qn' :: QualName VName
qn'@(QualName [VName]
qs VName
name)) <- Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv Namespace
Type QualName Name
qn SrcLoc
loc
case forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup VName
name forall a b. (a -> b) -> a -> b
$ Env -> Map VName TypeBinding
envTypeTable Env
scope of
Maybe TypeBinding
Nothing -> forall (m :: * -> *) a.
MonadTypeChecker m =>
SrcLoc -> QualName Name -> m a
unknownType SrcLoc
loc QualName Name
qn
Just (TypeAbbr Liftedness
l [TypeParam]
ps (RetType [VName]
dims StructType
def)) ->
forall (f :: * -> *) a. Applicative f => a -> f a
pure (QualName VName
qn', [TypeParam]
ps, forall dim as. [VName] -> TypeBase dim as -> RetTypeBase dim as
RetType [VName]
dims forall a b. (a -> b) -> a -> b
$ forall as.
Env -> [VName] -> [VName] -> TypeBase Exp as -> TypeBase Exp as
qualifyTypeVars Env
outer_env forall a. Monoid a => a
mempty [VName]
qs StructType
def, Liftedness
l)
lookupMod :: SrcLoc -> QualName Name -> TypeM (QualName VName, Mod)
lookupMod SrcLoc
loc QualName Name
qn = do
(Env
scope, qn' :: QualName VName
qn'@(QualName [VName]
_ VName
name)) <- Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv Namespace
Term QualName Name
qn SrcLoc
loc
case forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup VName
name forall a b. (a -> b) -> a -> b
$ Env -> Map VName Mod
envModTable Env
scope of
Maybe Mod
Nothing -> forall (m :: * -> *) a.
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m a
unknownVariable Namespace
Term QualName Name
qn SrcLoc
loc
Just Mod
m -> forall (f :: * -> *) a. Applicative f => a -> f a
pure (QualName VName
qn', Mod
m)
lookupVar :: SrcLoc -> QualName Name -> TypeM (QualName VName, StructType)
lookupVar SrcLoc
loc QualName Name
qn = do
Env
outer_env <- TypeM Env
askEnv
(Env
env, qn' :: QualName VName
qn'@(QualName [VName]
qs VName
name)) <- Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv Namespace
Term QualName Name
qn SrcLoc
loc
case forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup VName
name forall a b. (a -> b) -> a -> b
$ Env -> Map VName BoundV
envVtable Env
env of
Maybe BoundV
Nothing -> forall (m :: * -> *) a.
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m a
unknownVariable Namespace
Term QualName Name
qn SrcLoc
loc
Just (BoundV [TypeParam]
_ StructType
t)
| String
"_" forall a. Eq a => [a] -> [a] -> Bool
`isPrefixOf` VName -> String
baseString VName
name -> forall (m :: * -> *) a.
MonadTypeChecker m =>
SrcLoc -> QualName Name -> m a
underscoreUse SrcLoc
loc QualName Name
qn
| Bool
otherwise ->
case forall dim as. TypeBase dim as -> Maybe (TypeBase dim as)
getType StructType
t of
Maybe StructType
Nothing ->
forall (m :: * -> *) loc a.
(MonadTypeChecker m, Located loc) =>
loc -> Notes -> Doc () -> m a
typeError SrcLoc
loc forall a. Monoid a => a
mempty forall a b. (a -> b) -> a -> b
$
Doc ()
"Attempt to use function" forall ann. Doc ann -> Doc ann -> Doc ann
<+> forall v a. IsName v => v -> Doc a
prettyName VName
name forall ann. Doc ann -> Doc ann -> Doc ann
<+> Doc ()
"as value."
Just StructType
t' ->
forall (f :: * -> *) a. Applicative f => a -> f a
pure
( QualName VName
qn',
forall as.
Env -> [VName] -> [VName] -> TypeBase Exp as -> TypeBase Exp as
qualifyTypeVars Env
outer_env forall a. Monoid a => a
mempty [VName]
qs StructType
t'
)
checkExpForSize :: UncheckedExp -> TypeM Exp
checkExpForSize UncheckedExp
e = do
UncheckedExp -> TypeM Exp
checker <- forall r (m :: * -> *) a. MonadReader r m => (r -> a) -> m a
asks Context -> UncheckedExp -> TypeM Exp
contextCheckExp
UncheckedExp -> TypeM Exp
checker UncheckedExp
e
typeError :: forall loc a. Located loc => loc -> Notes -> Doc () -> TypeM a
typeError loc
loc Notes
notes Doc ()
s = forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError forall a b. (a -> b) -> a -> b
$ Loc -> Notes -> Doc () -> TypeError
TypeError (forall a. Located a => a -> Loc
locOf loc
loc) Notes
notes Doc ()
s
getType :: TypeBase dim as -> Maybe (TypeBase dim as)
getType :: forall dim as. TypeBase dim as -> Maybe (TypeBase dim as)
getType (Scalar Arrow {}) = forall a. Maybe a
Nothing
getType TypeBase dim as
t = forall a. a -> Maybe a
Just TypeBase dim as
t
checkQualNameWithEnv :: Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv :: Namespace -> QualName Name -> SrcLoc -> TypeM (Env, QualName VName)
checkQualNameWithEnv Namespace
space qn :: QualName Name
qn@(QualName [Name]
quals Name
name) SrcLoc
loc = do
Env
env <- TypeM Env
askEnv
forall {f :: * -> *}.
MonadTypeChecker f =>
Env -> [Name] -> f (Env, QualName VName)
descend Env
env [Name]
quals
where
descend :: Env -> [Name] -> f (Env, QualName VName)
descend Env
scope []
| Just QualName VName
name' <- forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup (Namespace
space, Name
name) forall a b. (a -> b) -> a -> b
$ Env -> Map (Namespace, Name) (QualName VName)
envNameMap Env
scope =
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Env
scope, QualName VName
name')
| Bool
otherwise =
forall (m :: * -> *) a.
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m a
unknownVariable Namespace
space QualName Name
qn SrcLoc
loc
descend Env
scope (Name
q : [Name]
qs)
| Just (QualName [VName]
_ VName
q') <- forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup (Namespace
Term, Name
q) forall a b. (a -> b) -> a -> b
$ Env -> Map (Namespace, Name) (QualName VName)
envNameMap Env
scope,
Just Mod
res <- forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup VName
q' forall a b. (a -> b) -> a -> b
$ Env -> Map VName Mod
envModTable Env
scope =
case Mod
res of
ModEnv Env
q_scope -> do
(Env
scope', QualName [VName]
qs' VName
name') <- Env -> [Name] -> f (Env, QualName VName)
descend Env
q_scope [Name]
qs
forall (f :: * -> *) a. Applicative f => a -> f a
pure (Env
scope', forall vn. [vn] -> vn -> QualName vn
QualName (VName
q' forall a. a -> [a] -> [a]
: [VName]
qs') VName
name')
ModFun {} -> forall (m :: * -> *) a. MonadTypeChecker m => SrcLoc -> m a
unappliedFunctor SrcLoc
loc
| Bool
otherwise =
forall (m :: * -> *) a.
MonadTypeChecker m =>
Namespace -> QualName Name -> SrcLoc -> m a
unknownVariable Namespace
space QualName Name
qn SrcLoc
loc
qualifyTypeVars ::
Env ->
[VName] ->
[VName] ->
TypeBase Size as ->
TypeBase Size as
qualifyTypeVars :: forall as.
Env -> [VName] -> [VName] -> TypeBase Exp as -> TypeBase Exp as
qualifyTypeVars Env
outer_env [VName]
orig_except [VName]
ref_qs = forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType (forall a. Ord a => [a] -> Set a
S.fromList [VName]
orig_except)
where
onType ::
S.Set VName ->
TypeBase Size as ->
TypeBase Size as
onType :: forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType Set VName
except (Array as
u Shape Exp
shape ScalarTypeBase Exp NoUniqueness
et) =
forall dim u.
u -> Shape dim -> ScalarTypeBase dim NoUniqueness -> TypeBase dim u
Array as
u (forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (forall {t :: * -> *} {f :: * -> *}.
Foldable t =>
t VName -> ExpBase f VName -> ExpBase f VName
onDim Set VName
except) Shape Exp
shape) (forall {u}.
Set VName -> ScalarTypeBase Exp u -> ScalarTypeBase Exp u
onScalar Set VName
except ScalarTypeBase Exp NoUniqueness
et)
onType Set VName
except (Scalar ScalarTypeBase Exp as
t) =
forall dim u. ScalarTypeBase dim u -> TypeBase dim u
Scalar forall a b. (a -> b) -> a -> b
$ forall {u}.
Set VName -> ScalarTypeBase Exp u -> ScalarTypeBase Exp u
onScalar Set VName
except ScalarTypeBase Exp as
t
onScalar :: Set VName -> ScalarTypeBase Exp u -> ScalarTypeBase Exp u
onScalar Set VName
_ (Prim PrimType
t) = forall dim u. PrimType -> ScalarTypeBase dim u
Prim PrimType
t
onScalar Set VName
except (TypeVar u
u QualName VName
qn [TypeArg Exp]
targs) =
forall dim u.
u -> QualName VName -> [TypeArg dim] -> ScalarTypeBase dim u
TypeVar u
u (forall {t :: * -> *}.
Foldable t =>
t VName -> QualName VName -> QualName VName
qual Set VName
except QualName VName
qn) (forall a b. (a -> b) -> [a] -> [b]
map (Set VName -> TypeArg Exp -> TypeArg Exp
onTypeArg Set VName
except) [TypeArg Exp]
targs)
onScalar Set VName
except (Record Map Name (TypeBase Exp u)
m) =
forall dim u. Map Name (TypeBase dim u) -> ScalarTypeBase dim u
Record forall a b. (a -> b) -> a -> b
$ forall a b k. (a -> b) -> Map k a -> Map k b
M.map (forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType Set VName
except) Map Name (TypeBase Exp u)
m
onScalar Set VName
except (Sum Map Name [TypeBase Exp u]
m) =
forall dim u. Map Name [TypeBase dim u] -> ScalarTypeBase dim u
Sum forall a b. (a -> b) -> a -> b
$ forall a b k. (a -> b) -> Map k a -> Map k b
M.map (forall a b. (a -> b) -> [a] -> [b]
map forall a b. (a -> b) -> a -> b
$ forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType Set VName
except) Map Name [TypeBase Exp u]
m
onScalar Set VName
except (Arrow u
as PName
p Diet
d StructType
t1 (RetType [VName]
dims TypeBase Exp Uniqueness
t2)) =
forall dim u.
u
-> PName
-> Diet
-> TypeBase dim NoUniqueness
-> RetTypeBase dim Uniqueness
-> ScalarTypeBase dim u
Arrow u
as PName
p Diet
d (forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType Set VName
except' StructType
t1) forall a b. (a -> b) -> a -> b
$ forall dim as. [VName] -> TypeBase dim as -> RetTypeBase dim as
RetType [VName]
dims (forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType Set VName
except' TypeBase Exp Uniqueness
t2)
where
except' :: Set VName
except' = case PName
p of
Named VName
p' -> forall a. Ord a => a -> Set a -> Set a
S.insert VName
p' Set VName
except
PName
Unnamed -> Set VName
except
onTypeArg :: Set VName -> TypeArg Exp -> TypeArg Exp
onTypeArg Set VName
except (TypeArgDim Exp
d) =
forall dim. dim -> TypeArg dim
TypeArgDim forall a b. (a -> b) -> a -> b
$ forall {t :: * -> *} {f :: * -> *}.
Foldable t =>
t VName -> ExpBase f VName -> ExpBase f VName
onDim Set VName
except Exp
d
onTypeArg Set VName
except (TypeArgType StructType
t) =
forall dim. TypeBase dim NoUniqueness -> TypeArg dim
TypeArgType forall a b. (a -> b) -> a -> b
$ forall as. Set VName -> TypeBase Exp as -> TypeBase Exp as
onType Set VName
except StructType
t
onDim :: t VName -> ExpBase f VName -> ExpBase f VName
onDim t VName
except (Var QualName VName
qn f StructType
typ SrcLoc
loc) = forall (f :: * -> *) vn.
QualName vn -> f StructType -> SrcLoc -> ExpBase f vn
Var (forall {t :: * -> *}.
Foldable t =>
t VName -> QualName VName -> QualName VName
qual t VName
except QualName VName
qn) f StructType
typ SrcLoc
loc
onDim t VName
_ ExpBase f VName
d = ExpBase f VName
d
qual :: t VName -> QualName VName -> QualName VName
qual t VName
except (QualName [VName]
orig_qs VName
name)
| VName
name forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` t VName
except Bool -> Bool -> Bool
|| [VName] -> VName -> Env -> Bool
reachable [VName]
orig_qs VName
name Env
outer_env =
forall vn. [vn] -> vn -> QualName vn
QualName [VName]
orig_qs VName
name
| Bool
otherwise =
[VName] -> [VName] -> QualName VName -> QualName VName
prependAsNecessary [] [VName]
ref_qs forall a b. (a -> b) -> a -> b
$ forall vn. [vn] -> vn -> QualName vn
QualName [VName]
orig_qs VName
name
prependAsNecessary :: [VName] -> [VName] -> QualName VName -> QualName VName
prependAsNecessary [VName]
qs [VName]
rem_qs (QualName [VName]
orig_qs VName
name)
| [VName] -> VName -> Env -> Bool
reachable ([VName]
qs forall a. [a] -> [a] -> [a]
++ [VName]
orig_qs) VName
name Env
outer_env = forall vn. [vn] -> vn -> QualName vn
QualName ([VName]
qs forall a. [a] -> [a] -> [a]
++ [VName]
orig_qs) VName
name
| Bool
otherwise = case [VName]
rem_qs of
VName
q : [VName]
rem_qs' -> [VName] -> [VName] -> QualName VName -> QualName VName
prependAsNecessary ([VName]
qs forall a. [a] -> [a] -> [a]
++ [VName
q]) [VName]
rem_qs' (forall vn. [vn] -> vn -> QualName vn
QualName [VName]
orig_qs VName
name)
[] -> forall vn. [vn] -> vn -> QualName vn
QualName [VName]
orig_qs VName
name
reachable :: [VName] -> VName -> Env -> Bool
reachable [] VName
name Env
env =
VName
name forall k a. Ord k => k -> Map k a -> Bool
`M.member` Env -> Map VName BoundV
envVtable Env
env
Bool -> Bool -> Bool
|| forall a. Maybe a -> Bool
isJust (forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Maybe a
find TypeBinding -> Bool
matches forall a b. (a -> b) -> a -> b
$ forall k a. Map k a -> [a]
M.elems (Env -> Map VName TypeBinding
envTypeTable Env
env))
where
matches :: TypeBinding -> Bool
matches (TypeAbbr Liftedness
_ [TypeParam]
_ (RetType [VName]
_ (Scalar (TypeVar NoUniqueness
_ (QualName [VName]
x_qs VName
name') [TypeArg Exp]
_)))) =
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [VName]
x_qs Bool -> Bool -> Bool
&& VName
name forall a. Eq a => a -> a -> Bool
== VName
name'
matches TypeBinding
_ = Bool
False
reachable (VName
q : [VName]
qs') VName
name Env
env
| Just (ModEnv Env
env') <- forall k a. Ord k => k -> Map k a -> Maybe a
M.lookup VName
q forall a b. (a -> b) -> a -> b
$ Env -> Map VName Mod
envModTable Env
env =
[VName] -> VName -> Env -> Bool
reachable [VName]
qs' VName
name Env
env'
| Bool
otherwise = Bool
False
badOnLeft :: Either TypeError a -> TypeM a
badOnLeft :: forall a. Either TypeError a -> TypeM a
badOnLeft = forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either forall e (m :: * -> *) a. MonadError e m => e -> m a
throwError forall (f :: * -> *) a. Applicative f => a -> f a
pure
anySignedType :: [PrimType]
anySignedType :: [PrimType]
anySignedType = forall a b. (a -> b) -> [a] -> [b]
map IntType -> PrimType
Signed [forall a. Bounded a => a
minBound .. forall a. Bounded a => a
maxBound]
anyUnsignedType :: [PrimType]
anyUnsignedType :: [PrimType]
anyUnsignedType = forall a b. (a -> b) -> [a] -> [b]
map IntType -> PrimType
Unsigned [forall a. Bounded a => a
minBound .. forall a. Bounded a => a
maxBound]
anyIntType :: [PrimType]
anyIntType :: [PrimType]
anyIntType = [PrimType]
anySignedType forall a. [a] -> [a] -> [a]
++ [PrimType]
anyUnsignedType
anyFloatType :: [PrimType]
anyFloatType :: [PrimType]
anyFloatType = forall a b. (a -> b) -> [a] -> [b]
map FloatType -> PrimType
FloatType [forall a. Bounded a => a
minBound .. forall a. Bounded a => a
maxBound]
anyNumberType :: [PrimType]
anyNumberType :: [PrimType]
anyNumberType = [PrimType]
anyIntType forall a. [a] -> [a] -> [a]
++ [PrimType]
anyFloatType
anyPrimType :: [PrimType]
anyPrimType :: [PrimType]
anyPrimType = PrimType
Bool forall a. a -> [a] -> [a]
: [PrimType]
anyIntType forall a. [a] -> [a] -> [a]
++ [PrimType]
anyFloatType
intrinsicsNameMap :: NameMap
intrinsicsNameMap :: Map (Namespace, Name) (QualName VName)
intrinsicsNameMap = forall k a. Ord k => [(k, a)] -> Map k a
M.fromList forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map (VName, Intrinsic) -> ((Namespace, Name), QualName VName)
mapping forall a b. (a -> b) -> a -> b
$ forall k a. Map k a -> [(k, a)]
M.toList Map VName Intrinsic
intrinsics
where
mapping :: (VName, Intrinsic) -> ((Namespace, Name), QualName VName)
mapping (VName
v, IntrinsicType {}) = ((Namespace
Type, VName -> Name
baseName VName
v), forall vn. [vn] -> vn -> QualName vn
QualName [] VName
v)
mapping (VName
v, Intrinsic
_) = ((Namespace
Term, VName -> Name
baseName VName
v), forall vn. [vn] -> vn -> QualName vn
QualName [] VName
v)
topLevelNameMap :: NameMap
topLevelNameMap :: Map (Namespace, Name) (QualName VName)
topLevelNameMap = forall k a. (k -> a -> Bool) -> Map k a -> Map k a
M.filterWithKey (\(Namespace, Name)
k QualName VName
_ -> (Namespace, Name) -> Bool
available (Namespace, Name)
k) Map (Namespace, Name) (QualName VName)
intrinsicsNameMap
where
available :: (Namespace, Name) -> Bool
available :: (Namespace, Name) -> Bool
available (Namespace
Type, Name
_) = Bool
True
available (Namespace
Term, Name
v) = Name
v forall a. Ord a => a -> Set a -> Bool
`S.member` (Set Name
type_names forall a. Semigroup a => a -> a -> a
<> Set Name
binop_names forall a. Semigroup a => a -> a -> a
<> Set Name
fun_names)
where
type_names :: Set Name
type_names = forall a. Ord a => [a] -> Set a
S.fromList forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map (Text -> Name
nameFromText forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. Pretty a => a -> Text
prettyText) [PrimType]
anyPrimType
binop_names :: Set Name
binop_names =
forall a. Ord a => [a] -> Set a
S.fromList forall a b. (a -> b) -> a -> b
$
forall a b. (a -> b) -> [a] -> [b]
map
(Text -> Name
nameFromText forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. Pretty a => a -> Text
prettyText)
[forall a. Bounded a => a
minBound .. (forall a. Bounded a => a
maxBound :: BinOp)]
fun_names :: Set Name
fun_names = forall a. Ord a => [a] -> Set a
S.fromList forall a b. (a -> b) -> a -> b
$ forall a b. (a -> b) -> [a] -> [b]
map String -> Name
nameFromString [String
"shape"]
available (Namespace, Name)
_ = Bool
False
mkTypeVarName :: Name -> Int -> Name
mkTypeVarName :: Name -> Int -> Name
mkTypeVarName Name
desc Int
i =
Name
desc forall a. Semigroup a => a -> a -> a
<> String -> Name
nameFromString (forall a b. (a -> Maybe b) -> [a] -> [b]
mapMaybe Char -> Maybe Char
subscript (forall a. Show a => a -> String
show Int
i))
where
subscript :: Char -> Maybe Char
subscript = forall a b c. (a -> b -> c) -> b -> a -> c
flip forall a b. Eq a => a -> [(a, b)] -> Maybe b
lookup forall a b. (a -> b) -> a -> b
$ forall a b. [a] -> [b] -> [(a, b)]
zip String
"0123456789" String
"₀₁₂₃₄₅₆₇₈₉"
checkAttr :: MonadTypeChecker m => AttrInfo Name -> m (AttrInfo VName)
checkAttr :: forall (m :: * -> *).
MonadTypeChecker m =>
AttrInfo Name -> m (AttrInfo VName)
checkAttr (AttrComp Name
f [AttrInfo Name]
attrs SrcLoc
loc) =
forall {k} (vn :: k).
Name -> [AttrInfo vn] -> SrcLoc -> AttrInfo vn
AttrComp Name
f forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM forall (m :: * -> *).
MonadTypeChecker m =>
AttrInfo Name -> m (AttrInfo VName)
checkAttr [AttrInfo Name]
attrs forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> forall (f :: * -> *) a. Applicative f => a -> f a
pure SrcLoc
loc
checkAttr (AttrAtom (AtomName Name
v) SrcLoc
loc) =
forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall {k} (vn :: k). AttrAtom vn -> SrcLoc -> AttrInfo vn
AttrAtom (forall {k} (vn :: k). Name -> AttrAtom vn
AtomName Name
v) SrcLoc
loc
checkAttr (AttrAtom (AtomInt Integer
x) SrcLoc
loc) =
forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a b. (a -> b) -> a -> b
$ forall {k} (vn :: k). AttrAtom vn -> SrcLoc -> AttrInfo vn
AttrAtom (forall {k} (vn :: k). Integer -> AttrAtom vn
AtomInt Integer
x) SrcLoc
loc