mirror of
https://github.com/GrammaticalFramework/gf-core.git
synced 2026-04-09 04:59:31 -06:00
Merge pull request #180 from phantamanta44/majestic
majestic: fix bubbling + type annotations for option metadata
This commit is contained in:
@@ -3,20 +3,22 @@
|
||||
module GF.Compile.Compute.Concrete2
|
||||
(Env, Scope, Value(..), Variants(..), Constraint, OptionInfo(..), ChoiceMap, cleanOptions,
|
||||
ConstValue(..), ConstVariants(..), Globals(..), PredefTable, EvalM,
|
||||
mapVariants, unvariants, variants2consts, consts2variants,
|
||||
runEvalM, runEvalMWithOpts, stdPredef, globals, withState,
|
||||
mapVariants, mapVariantsC, unvariants, variants2consts,
|
||||
mapConstVs, mapConstVsC, unconstVs, consts2variants,
|
||||
runEvalM, runEvalMWithOpts, reset, reset1, stdPredef, globals, withState,
|
||||
PredefImpl, Predef(..), ($\),
|
||||
pdCanonicalArgs, pdArity,
|
||||
normalForm, normalFlatForm,
|
||||
eval, apply, value2term, value2termM, bubble, patternMatch, vtableSelect, State(..),
|
||||
newResiduation, getMeta, setMeta, MetaState(..), variants, try,
|
||||
evalError, evalWarn, ppValue, Choice(..), unit, poison, split, split3, split4, mapC, mapCM) where
|
||||
evalError, evalWarn, ppValue, Choice(..), unit, poison, split, split3, split4,
|
||||
mapC, forC, mapCM, forCM) where
|
||||
|
||||
import Prelude hiding ((<>)) -- GHC 8.4.1 clash with Text.PrettyPrint
|
||||
import GF.Infra.Ident
|
||||
import GF.Infra.CheckM
|
||||
import GF.Data.Operations(Err(..))
|
||||
import GF.Data.Utilities(maybeAt,splitAt',(<||>),anyM)
|
||||
import GF.Data.Utilities(maybeAt,splitAt',(<||>),anyM,secondM,bimapM)
|
||||
import GF.Grammar.Lookup(lookupResDef,lookupOrigInfo)
|
||||
import GF.Grammar.Grammar
|
||||
import GF.Grammar.Macros
|
||||
@@ -94,17 +96,23 @@ data Value
|
||||
| VCRecType [(Label, Bool, Value)]
|
||||
| VCInts (Maybe Integer) (Maybe Integer)
|
||||
|
||||
third f (a,b,c) = (a, b, f c)
|
||||
|
||||
data Variants
|
||||
= VarFree [Value]
|
||||
| VarOpts Value [(Value, Value)]
|
||||
| VarOpts Value Value [(Value, Value, Value)]
|
||||
|
||||
mapVariants :: (Value -> Value) -> Variants -> Variants
|
||||
mapVariants f (VarFree vs) = VarFree (f <$> vs)
|
||||
mapVariants f (VarOpts n cs) = VarOpts n (second f <$> cs)
|
||||
mapVariants f (VarFree vs) = VarFree (f <$> vs)
|
||||
mapVariants f (VarOpts nty n cs) = VarOpts nty n (third f <$> cs)
|
||||
|
||||
mapVariantsC :: (Choice -> Value -> Value) -> Choice -> Variants -> Variants
|
||||
mapVariantsC f c (VarFree vs) = VarFree (mapC f c vs)
|
||||
mapVariantsC f c (VarOpts nty n cs) = VarOpts nty n (mapC (third . f) c cs)
|
||||
|
||||
unvariants :: Variants -> [Value]
|
||||
unvariants (VarFree vs) = vs
|
||||
unvariants (VarOpts n cs) = snd <$> cs
|
||||
unvariants (VarFree vs) = vs
|
||||
unvariants (VarOpts nty n cs) = cs <&> \(_,_,v) -> v
|
||||
|
||||
isCanonicalForm :: Bool -> Value -> Bool
|
||||
isCanonicalForm flat (VClosure {}) = True
|
||||
@@ -136,15 +144,19 @@ data ConstValue a
|
||||
|
||||
data ConstVariants a
|
||||
= ConstFree [ConstValue a]
|
||||
| ConstOpts Value [(Value, ConstValue a)]
|
||||
| ConstOpts Value Value [(Value, Value, ConstValue a)]
|
||||
|
||||
mapConstVs :: (ConstValue a -> ConstValue b) -> ConstVariants a -> ConstVariants b
|
||||
mapConstVs f (ConstFree vs) = ConstFree (f <$> vs)
|
||||
mapConstVs f (ConstOpts n cs) = ConstOpts n (second f <$> cs)
|
||||
mapConstVs f (ConstFree vs) = ConstFree (f <$> vs)
|
||||
mapConstVs f (ConstOpts nty n cs) = ConstOpts nty n (third f <$> cs)
|
||||
|
||||
mapConstVsC :: (Choice -> ConstValue a -> ConstValue b) -> Choice -> ConstVariants a -> ConstVariants b
|
||||
mapConstVsC f c (ConstFree vs) = ConstFree (mapC f c vs)
|
||||
mapConstVsC f c (ConstOpts nty n cs) = ConstOpts nty n (mapC (third . f) c cs)
|
||||
|
||||
unconstVs :: ConstVariants a -> [ConstValue a]
|
||||
unconstVs (ConstFree vs) = vs
|
||||
unconstVs (ConstOpts n cs) = snd <$> cs
|
||||
unconstVs (ConstFree vs) = vs
|
||||
unconstVs (ConstOpts nty n cs) = cs <&> \(_,_,v) -> v
|
||||
|
||||
instance Functor ConstValue where
|
||||
fmap f (Const c) = Const (f c)
|
||||
@@ -167,12 +179,12 @@ instance Applicative ConstValue where
|
||||
_ <*> RunTime = RunTime
|
||||
|
||||
variants2consts :: (Value -> ConstValue a) -> Variants -> ConstVariants a
|
||||
variants2consts f (VarFree vs) = ConstFree (f <$> vs)
|
||||
variants2consts f (VarOpts n os) = ConstOpts n (second f <$> os)
|
||||
variants2consts f (VarFree vs) = ConstFree (f <$> vs)
|
||||
variants2consts f (VarOpts nty n os) = ConstOpts nty n (third f <$> os)
|
||||
|
||||
consts2variants :: (ConstValue a -> Value) -> ConstVariants a -> Variants
|
||||
consts2variants f (ConstFree vs) = VarFree (f <$> vs)
|
||||
consts2variants f (ConstOpts n os) = VarOpts n (second f <$> os)
|
||||
consts2variants f (ConstFree vs) = VarFree (f <$> vs)
|
||||
consts2variants f (ConstOpts nty n os) = VarOpts nty n (third f <$> os)
|
||||
|
||||
normalForm :: Globals -> Term -> Check Term
|
||||
normalForm g t = value2term g [] (bubble (eval g [] unit t []))
|
||||
@@ -326,14 +338,17 @@ eval g env c (Markup tag as ts) [] =
|
||||
in (VMarkup tag vas vs)
|
||||
eval g env c (Reset ctl mb_ct t qid) [] = VReset ctl (fmap (\t -> eval g env c t []) mb_ct) (eval g env c t []) qid
|
||||
eval g env c (TSymCat d r rs) []= VSymCat d r [(i,(fromJust (lookup pv env),ty)) | (i,(pv,ty)) <- rs]
|
||||
eval g env c t@(Opts n cs) vs = if null cs
|
||||
then VError ("No options in expression:" $$ ppTerm Unqualified 0 t)
|
||||
else let (c1,c2,c3) = split3 c
|
||||
vn = eval g env c1 n []
|
||||
vcs = mapC evalOpt c cs
|
||||
in VFV c3 (VarOpts vn vcs)
|
||||
where evalOpt c' (l,t) = let (c1,c2) = split c' in (eval g env c1 l [], eval g env c2 t vs)
|
||||
eval g env c t vs = VError ("Cannot reduce term" <+> pp t)
|
||||
eval g env c t@(Opts (nty,n) cs) vs = if null cs
|
||||
then VError ("No options in expression:" $$ ppTerm Unqualified 0 t)
|
||||
else let (c1,c2,c3) = split3 c
|
||||
(c1ty,c1t) = split c1
|
||||
vnty = eval g env c1ty (fromJust nty) []
|
||||
vn = eval g env c1t n []
|
||||
vcs = mapC evalOpt c2 cs
|
||||
in VFV c3 (VarOpts vnty vn vcs)
|
||||
where evalOpt c' ((lty,l),t) = let (c1,c2,c3) = split3 c'
|
||||
in (eval g env c1 (fromJust lty) [], eval g env c2 l [], eval g env c3 t vs)
|
||||
eval g env c t vs = VError ("Cannot reduce term" <+> pp t)
|
||||
|
||||
evalPredef :: Globals -> Choice -> Ident -> [Value] -> Value
|
||||
evalPredef g@(Gl gr pds) c n args =
|
||||
@@ -381,7 +396,7 @@ apply g v [] = v
|
||||
|
||||
data BubbleVariants
|
||||
= BubbleFree Int
|
||||
| BubbleOpts Value [Value]
|
||||
| BubbleOpts Value Value [(Value, Value)]
|
||||
|
||||
bubble v = snd (bubble v)
|
||||
where
|
||||
@@ -411,11 +426,15 @@ bubble v = snd (bubble v)
|
||||
bubble v@(VFV c (VarFree vs))
|
||||
| null vs = (Map.empty, v)
|
||||
| otherwise = let (union,vs') = mapAccumL descend Map.empty vs
|
||||
in (Map.insert c (BubbleFree (length vs),1) union, addVariants (VFV c (VarFree vs')) union)
|
||||
bubble v@(VFV c (VarOpts n os))
|
||||
b = BubbleFree (length vs)
|
||||
v' = addVariants (VFV c (VarFree vs')) union
|
||||
in (Map.insert c (b,1) union, v')
|
||||
bubble v@(VFV c (VarOpts nty n os))
|
||||
| null os = (Map.empty, v)
|
||||
| otherwise = let (union,os') = mapAccumL (\acc (k,v) -> second (k,) $ descend acc v) Map.empty os
|
||||
in (Map.insert c (BubbleOpts n (fst <$> os),1) union, addVariants (VFV c (VarOpts n os')) union)
|
||||
| otherwise = let (union,os') = mapAccumL (\acc (lty,l,v) -> second (lty,l,) $ descend acc v) Map.empty os
|
||||
b = BubbleOpts nty n (os <&> \(lty,l,_) -> (lty,l))
|
||||
v' = addVariants (VFV c (VarOpts nty n os')) union
|
||||
in (Map.insert c (b,1) union, v')
|
||||
bubble (VAlts v vs) = lift1L2 VAlts v vs
|
||||
bubble (VStrs vs) = liftL VStrs vs
|
||||
bubble (VMarkup tag attrs vs) =
|
||||
@@ -500,8 +519,8 @@ bubble v = snd (bubble v)
|
||||
where
|
||||
addVariant c (bvs,cnt) v
|
||||
| cnt > 1 = VFV c $ case bvs of
|
||||
BubbleFree k -> VarFree (replicate k v)
|
||||
BubbleOpts n os -> VarOpts n ((,v) <$> os)
|
||||
BubbleFree k -> VarFree (replicate k v)
|
||||
BubbleOpts nty n os -> VarOpts nty n (os <&> \(lty,l) -> (lty,l,v))
|
||||
| otherwise = v
|
||||
|
||||
unitfy = fmap (\(n,_) -> (n,1))
|
||||
@@ -669,9 +688,10 @@ data MetaState
|
||||
| Residuation Scope (Maybe Constraint)
|
||||
data OptionInfo
|
||||
= OptionInfo
|
||||
{ optChoice :: Choice
|
||||
, optLabel :: Value
|
||||
, optChoices :: [Value]
|
||||
{ optChoice :: Choice
|
||||
, optLabelType :: Value
|
||||
, optLabel :: Value
|
||||
, optChoices :: [(Value, Value)]
|
||||
}
|
||||
type ChoiceMap = Map.Map Choice Int
|
||||
data State
|
||||
@@ -738,6 +758,12 @@ reset (EvalM f) = EvalM $ \g k state r ws ->
|
||||
Fail msg ws -> Fail msg ws
|
||||
Success xs ws -> k (reverse xs) state r ws
|
||||
|
||||
reset1 :: EvalM a -> EvalM (Maybe a)
|
||||
reset1 (EvalM f) = EvalM $ \g k state r ws ->
|
||||
case f g (\x' state x ws -> Success (x <|> Just x') ws) state Nothing ws of
|
||||
Fail msg ws -> Fail msg ws
|
||||
Success x ws -> k x state r ws
|
||||
|
||||
globals :: EvalM Globals
|
||||
globals = EvalM (\g k -> k g)
|
||||
|
||||
@@ -907,13 +933,13 @@ value2termM True xs (VFV i (VarFree vs)) = do
|
||||
v <- variants i vs
|
||||
value2termM True xs v
|
||||
value2termM False xs (VFV i (VarFree vs)) = variants' i (value2termM False xs) vs
|
||||
value2termM flat xs (VFV i (VarOpts n os)) =
|
||||
value2termM flat xs (VFV i (VarOpts nty n os)) =
|
||||
EvalM $ \g k (State choices metas opts) r msgs ->
|
||||
let j = fromMaybe 0 (Map.lookup i choices)
|
||||
in case os `maybeAt` j of
|
||||
Just (l,t) -> case value2termM flat xs t of
|
||||
EvalM f -> let oi = OptionInfo i n (fst <$> os)
|
||||
in f g k (State choices metas (oi:opts)) r msgs
|
||||
Just (lty,l,t) -> case value2termM flat xs t of
|
||||
EvalM f -> let oi = OptionInfo i nty n (os <&> \(lty,l,_) -> (lty,l))
|
||||
in f g k (State choices metas (oi:opts)) r msgs
|
||||
Nothing -> Fail ("Index" <+> j <+> "out of bounds for option:" $$ ppValue Unqualified 0 n) msgs
|
||||
value2termM flat xs (VPatt min max p) = return (EPatt min max p)
|
||||
value2termM flat xs (VPattType v) = do t <- value2termM flat xs v
|
||||
@@ -1020,7 +1046,9 @@ ppValue q d (VC v1 v2) = prec d 1 (hang (ppValue q 2 v1) 2 ("++" <+> ppValue q 1
|
||||
ppValue q d (VGlue v1 v2) = prec d 2 (ppValue q 3 v1 <+> '+' <+> ppValue q 2 v2)
|
||||
ppValue q d (VPatt _ _ _) = pp "VPatt"
|
||||
ppValue q d (VPattType _) = pp "VPattType"
|
||||
ppValue q d (VFV i vs) = prec d 4 ("variants" <+> pp i <+> braces (fsep (punctuate ';' (map (ppValue q 0) (unvariants vs)))))
|
||||
ppValue q d (VFV i (VarFree vs)) = prec d 4 ("variants" <+> pp i <+> braces (fsep (punctuate ';' (map (ppValue q 0) vs))))
|
||||
ppValue q d (VFV i (VarOpts _ n os)) = prec d 4 ("option" <+> ppValue q 0 n <+> "of" <+> pp i <+> braces (fsep (punctuate ';'
|
||||
(map (\(_,l,v) -> parens (ppValue q 0 l) <+> "=>" <+> ppValue q 0 v) os))))
|
||||
ppValue q d (VAlts e xs) = prec d 4 ("pre" <+> braces (ppValue q 0 e <> ';' <+> fsep (punctuate ';' (map (ppAltern q) xs))))
|
||||
ppValue q d (VStrs _) = pp "VStrs"
|
||||
ppValue q d (VMarkup _ _ _) = pp "VMarkup"
|
||||
@@ -1129,6 +1157,9 @@ mapC f c (x:xs) =
|
||||
let (!c1,!c2) = split c
|
||||
in f c1 x : mapC f c2 xs
|
||||
|
||||
forC :: Choice -> [a] -> (Choice -> a -> b) -> [b]
|
||||
forC c xs f = mapC f c xs
|
||||
|
||||
mapCM :: Monad m => (Choice -> a -> m b) -> Choice -> [a] -> m [b]
|
||||
mapCM f c [] = return []
|
||||
mapCM f c [x] = do y <- f c x
|
||||
@@ -1138,3 +1169,6 @@ mapCM f c (x:xs) = do
|
||||
y <- f c1 x
|
||||
ys <- mapCM f c2 xs
|
||||
return (y:ys)
|
||||
|
||||
forCM :: Monad m => Choice -> [a] -> (Choice -> a -> m b) -> m [b]
|
||||
forCM c xs f = mapCM f c xs
|
||||
|
||||
@@ -23,6 +23,7 @@ import GF.Compile.Compute.Concrete2
|
||||
, ChoiceMap
|
||||
, Globals(Gl)
|
||||
, OptionInfo(..)
|
||||
, bubble
|
||||
, stdPredef
|
||||
, unit
|
||||
, eval
|
||||
@@ -57,7 +58,6 @@ import GF.Infra.Ident (moduleNameS)
|
||||
import GF.Infra.Option (noOptions)
|
||||
import GF.Infra.UseIO (justModuleName)
|
||||
import GF.Text.Pretty (render)
|
||||
import Debug.Trace
|
||||
|
||||
data ReplOpts = ReplOpts
|
||||
{ lang :: Lang
|
||||
@@ -282,11 +282,11 @@ runRepl' opts@ReplOpts { lang, evalToFlat } gl@(Gl g _) = do
|
||||
outputStrLn $ show i ++ (if null opts then ". " else "*. ") ++ render (ppTerm Unqualified 0 r)
|
||||
|
||||
outputOptions ois os =
|
||||
forM_ ois $ \(OptionInfo c n ls) -> do
|
||||
forM_ ois $ \(OptionInfo c _ n ls) -> do
|
||||
outputStrLn ""
|
||||
outputStrLn $ show (unchoice c) ++ ") " ++ render (ppValue Unqualified 0 n)
|
||||
let sel = fromMaybe 0 (Map.lookup c os) + 1
|
||||
forM_ (zip [1..] ls) $ \(i, l) ->
|
||||
forM_ (zip [1..] ls) $ \(i, (_,l)) ->
|
||||
outputStrLn $ (if i == sel then "->" else " ") ++ show i ++ ". " ++ render (ppValue Unqualified 0 l)
|
||||
|
||||
runRepl :: ReplOpts -> IO ()
|
||||
|
||||
@@ -407,12 +407,17 @@ tcRho scope c (Reset ctl mb_ct t qid) mb_ty
|
||||
VApp c qid [] -> return (Reset ctl mb_ct t qid, ty)
|
||||
_ -> evalError (pp "Needs atomic type"<+>ppValue Unqualified 0 ty)
|
||||
| otherwise = evalError (pp "Operator" <+> pp ctl <+> pp "is not defined")
|
||||
tcRho scope s (Opts n cs) mb_ty = do
|
||||
tcRho scope s (Opts (nty,n) cs) mb_ty = do
|
||||
gl <- globals
|
||||
let (s1,s2,s3) = split3 s
|
||||
(n,_) <- tcRho scope s1 n Nothing
|
||||
(ls,_) <- tcUnifying scope s2 (fst <$> cs) Nothing
|
||||
(n,nty) <- tcRho scope s1 n (nty <&> \ty -> eval gl [] poison ty [])
|
||||
nty <- value2termM True [] nty
|
||||
ls <- forCM s2 cs $ \s' ((lty,l),_) -> do
|
||||
(l,lty) <- tcRho scope s' l (lty <&> \ty -> eval gl [] poison ty [])
|
||||
lty <- value2termM True [] lty
|
||||
return (Just lty, l)
|
||||
(ts,ty) <- tcUnifying scope s3 (snd <$> cs) mb_ty
|
||||
return (Opts n (zip ls ts), ty)
|
||||
return (Opts (Just nty, n) (zip ls ts), ty)
|
||||
tcRho scope s t _ = unimplemented ("tcRho "++show t)
|
||||
|
||||
evalCodomain :: Scope -> Ident -> Value -> EvalM Value
|
||||
@@ -1179,9 +1184,9 @@ quantify scope t tvs ty = do
|
||||
check m n xs (VFV c (VarFree vs)) = do
|
||||
(xs,vs) <- mapAccumM (check m n) xs vs
|
||||
return (xs,VFV c (VarFree vs))
|
||||
check m n xs (VFV c (VarOpts name os)) = do
|
||||
(xs,os) <- mapAccumM (\acc (l,v) -> second (l,) <$> check m n acc v) xs os
|
||||
return (xs,VFV c (VarOpts name os))
|
||||
check m n xs (VFV c (VarOpts nty name os)) = do
|
||||
(xs,os) <- mapAccumM (\acc (lty,l,v) -> second (lty,l,) <$> check m n acc v) xs os
|
||||
return (xs,VFV c (VarOpts nty name os))
|
||||
check m n xs (VAlts v vs) = do
|
||||
(xs,v) <- check m n xs v
|
||||
(xs,vs) <- mapAccumM (\xs (v1,v2) -> do (xs,v1) <- check m n xs v1
|
||||
|
||||
@@ -11,13 +11,13 @@
|
||||
-- Basic functions not in the standard libraries
|
||||
-----------------------------------------------------------------------------
|
||||
|
||||
|
||||
{-# LANGUAGE TupleSections #-}
|
||||
module GF.Data.Utilities(module GF.Data.Utilities) where
|
||||
|
||||
import Data.Bifunctor (first)
|
||||
import Data.Maybe
|
||||
import Data.List
|
||||
import Control.Monad (MonadPlus(..),foldM,liftM,when)
|
||||
import Control.Monad (MonadPlus(..),foldM,liftM,liftM2,when)
|
||||
import Control.Applicative(liftA2)
|
||||
import qualified Data.Set as Set
|
||||
|
||||
@@ -128,7 +128,7 @@ compareBy f = both f compare
|
||||
both :: (a -> b) -> (b -> b -> c) -> a -> a -> c
|
||||
both f g x y = g (f x) (f y)
|
||||
|
||||
-- * functions on pairs
|
||||
-- * functions on tuples
|
||||
|
||||
apFst :: (a -> a') -> (a, b) -> (a', b)
|
||||
apFst f (a, b) = (f a, b)
|
||||
@@ -174,6 +174,18 @@ allM p = foldM (\b x -> if b then p x else return False) True
|
||||
anyM :: (Foldable f, Monad m) => (a -> m Bool) -> f a -> m Bool
|
||||
anyM p = foldM (\b x -> if b then return True else p x) False
|
||||
|
||||
-- | Lifts a monadic action to pairs in the first element.
|
||||
firstM :: Monad m => (a -> m a') -> (a, b) -> m (a', b)
|
||||
firstM f (a, b) = (,b) <$> f a
|
||||
|
||||
-- | Lifts a monadic action to pairs in the second element.
|
||||
secondM :: Monad m => (b -> m b') -> (a, b) -> m (a, b')
|
||||
secondM f (a, b) = (a,) <$> f b
|
||||
|
||||
-- | Lifts a pair of monadic actions to an action on pairs, sequencing left-to-right.
|
||||
bimapM :: Monad m => (a -> m a') -> (b -> m b') -> (a, b) -> m (a', b')
|
||||
bimapM f g (a, b) = liftM2 (,) (f a) (g b)
|
||||
|
||||
-- * functions on Maybes
|
||||
|
||||
-- | Returns the argument on the right, or a default value on the left.
|
||||
|
||||
@@ -343,9 +343,10 @@ data Info =
|
||||
| AnyInd Bool ModuleName -- ^ (/INDIR/) the 'Bool' says if canonical
|
||||
deriving Show
|
||||
|
||||
type Type = Term
|
||||
type Cat = QIdent
|
||||
type Fun = QIdent
|
||||
type Type = Term
|
||||
type MTyTerm = (Maybe Term, Term)
|
||||
type Cat = QIdent
|
||||
type Fun = QIdent
|
||||
|
||||
type QIdent = (ModuleName,Ident)
|
||||
|
||||
@@ -373,7 +374,7 @@ data Term =
|
||||
| P Term Label -- ^ projection: @r.p@
|
||||
| ExtR Term Term -- ^ extension: @R ** {x : A}@ (both types and terms)
|
||||
|
||||
| Opts Term [Option] -- ^ options: @options s in { e => x ; ... }@
|
||||
| Opts MTyTerm [Option] -- ^ options: @options s in { e => x ; ... }@
|
||||
|
||||
| Table Term Term -- ^ table type: @P => A@
|
||||
| T TInfo [Case] -- ^ table: @table {p => c ; ...}@
|
||||
@@ -466,7 +467,7 @@ type Equation = ([Patt],Term)
|
||||
|
||||
type Labelling = (Label, Type)
|
||||
type Assign = (Label, (Maybe Type, Term))
|
||||
type Option = (Term, Term)
|
||||
type Option = (MTyTerm, Term)
|
||||
type Case = (Patt, Term)
|
||||
--type Cases = ([Patt], Term)
|
||||
type LocalDef = (Ident, (Maybe Type, Term))
|
||||
|
||||
@@ -452,7 +452,7 @@ Exp4 :: { Term }
|
||||
Exp4
|
||||
: Exp4 Exp5 { App $1 $2 }
|
||||
| Exp4 '{' Exp '}' { App $1 (ImplArg $3) }
|
||||
| 'option' Exp 'of' '{' ListOpt '}' { Opts $2 $5 }
|
||||
| 'option' Exp 'of' '{' ListOpt '}' { Opts (Nothing, $2) $5 }
|
||||
| 'case' Exp 'of' '{' ListCase '}' { let annot = case $2 of
|
||||
Typed _ t -> TTyped t
|
||||
_ -> TRaw
|
||||
@@ -611,7 +611,7 @@ ListPattTupleComp
|
||||
|
||||
Opt :: { Option }
|
||||
Opt
|
||||
: '(' Exp ')' '=>' Exp { ($2,$5) }
|
||||
: '(' Exp ')' '=>' Exp { ((Nothing,$2),$5) }
|
||||
|
||||
ListOpt :: { [Option] }
|
||||
ListOpt
|
||||
|
||||
@@ -219,6 +219,8 @@ ppTerm q d (S x y) = case x of
|
||||
ppTerm q d (ExtR x y) = prec d 3 (ppTerm q 3 x <+> "**" <+> ppTerm q 4 y)
|
||||
ppTerm q d (App x y) = prec d 4 (ppTerm q 4 x <+> ppTerm q 5 y)
|
||||
ppTerm q d (V e es) = hang "table" 2 (sep [ppTerm q 6 e,brackets (fsep (punctuate ';' (map (ppTerm q 0) es)))])
|
||||
ppTerm q d (Opts (_,n) cs) = prec d 4 ("option" <+> ppTerm q 0 n <+> "of" <+> braces (fsep (punctuate ';'
|
||||
(map (\((_,l),t) -> parens (ppTerm q 0 l) <+> "=>" <+> ppTerm q 0 t) cs))))
|
||||
ppTerm q d (FV es) = prec d 4 ("variants" <+> braces (fsep (punctuate ';' (map (ppTerm q 0) es))))
|
||||
ppTerm q d (AdHocOverload es) = "overload" <+> braces (fsep (punctuate ';' (map (ppTerm q 0) es)))
|
||||
ppTerm q d (Alts e xs) = prec d 4 ("pre" <+> braces (ppTerm q 0 e <> ';' <+> fsep (punctuate ';' (map (ppAltern q) xs))))
|
||||
|
||||
Reference in New Issue
Block a user