Idris2/libs/base/Language/Reflection/TTImp.idr

993 lines
37 KiB
Idris

module Language.Reflection.TTImp
import Data.Maybe
import Data.String
import public Language.Reflection.TT
%default total
-- Unchecked terms and declarations in the intermediate language
mutual
public export
data BindMode = PI Count | PATTERN | COVERAGE | NONE
%name BindMode bm
-- For as patterns matching linear arguments, select which side is
-- consumed
public export
data UseSide = UseLeft | UseRight
%name UseSide side
public export
data DotReason = NonLinearVar
| VarApplied
| NotConstructor
| ErasedArg
| UserDotted
| UnknownDot
| UnderAppliedCon
%name DotReason dr
public export
data TTImp : Type where
IVar : FC -> Name -> TTImp
IPi : FC -> Count -> PiInfo TTImp -> Maybe Name ->
(argTy : TTImp) -> (retTy : TTImp) -> TTImp
ILam : FC -> Count -> PiInfo TTImp -> Maybe Name ->
(argTy : TTImp) -> (lamTy : TTImp) -> TTImp
ILet : FC -> (lhsFC : FC) -> Count -> Name ->
(nTy : TTImp) -> (nVal : TTImp) ->
(scope : TTImp) -> TTImp
ICase : FC -> List FnOpt -> TTImp -> (ty : TTImp) ->
List Clause -> TTImp
ILocal : FC -> List Decl -> TTImp -> TTImp
IUpdate : FC -> List IFieldUpdate -> TTImp -> TTImp
IApp : FC -> TTImp -> TTImp -> TTImp
INamedApp : FC -> TTImp -> Name -> TTImp -> TTImp
IAutoApp : FC -> TTImp -> TTImp -> TTImp
IWithApp : FC -> TTImp -> TTImp -> TTImp
ISearch : FC -> (depth : Nat) -> TTImp
IAlternative : FC -> AltType -> List TTImp -> TTImp
IRewrite : FC -> TTImp -> TTImp -> TTImp
-- Any implicit bindings in the scope should be bound here, using
-- the given binder
IBindHere : FC -> BindMode -> TTImp -> TTImp
-- A name which should be implicitly bound
IBindVar : FC -> String -> TTImp
-- An 'as' pattern, valid on the LHS of a clause only
IAs : FC -> (nameFC : FC) -> UseSide -> Name -> TTImp -> TTImp
-- A 'dot' pattern, i.e. one which must also have the given value
-- by unification
IMustUnify : FC -> DotReason -> TTImp -> TTImp
-- Laziness annotations
IDelayed : FC -> LazyReason -> TTImp -> TTImp -- the type
IDelay : FC -> TTImp -> TTImp -- delay constructor
IForce : FC -> TTImp -> TTImp
-- Quasiquotation
IQuote : FC -> TTImp -> TTImp
IQuoteName : FC -> Name -> TTImp
IQuoteDecl : FC -> List Decl -> TTImp
IUnquote : FC -> TTImp -> TTImp
IPrimVal : FC -> (c : Constant) -> TTImp
IType : FC -> TTImp
IHole : FC -> String -> TTImp
-- An implicit value, solved by unification, but which will also be
-- bound (either as a pattern variable or a type variable) if unsolved
-- at the end of elaborator
Implicit : FC -> (bindIfUnsolved : Bool) -> TTImp
IWithUnambigNames : FC -> List (FC, Name) -> TTImp -> TTImp
%name TTImp s, t, u
public export
data IFieldUpdate : Type where
ISetField : (path : List String) -> TTImp -> IFieldUpdate
ISetFieldApp : (path : List String) -> TTImp -> IFieldUpdate
%name IFieldUpdate upd
public export
data AltType : Type where
FirstSuccess : AltType
Unique : AltType
UniqueDefault : TTImp -> AltType
public export
data FnOpt : Type where
Inline : FnOpt
NoInline : FnOpt
Deprecate : FnOpt
TCInline : FnOpt
-- Flag means the hint is a direct hint, not a function which might
-- find the result (e.g. chasing parent interface dictionaries)
Hint : Bool -> FnOpt
-- Flag means to use as a default if all else fails
GlobalHint : Bool -> FnOpt
ExternFn : FnOpt
-- Defined externally, list calling conventions
ForeignFn : List TTImp -> FnOpt
-- Mark for export to a foreign language, list calling conventions
ForeignExport : List TTImp -> FnOpt
-- assume safe to cancel arguments in unification
Invertible : FnOpt
Totality : TotalReq -> FnOpt
Macro : FnOpt
SpecArgs : List Name -> FnOpt
public export
data ITy : Type where
MkTy : FC -> (nameFC : FC) -> (n : Name) -> (ty : TTImp) -> ITy
%name ITy sig
public export
data DataOpt : Type where
SearchBy : List Name -> DataOpt -- determining arguments
NoHints : DataOpt -- Don't generate search hints for constructors
UniqueSearch : DataOpt -- auto implicit search must check result is unique
External : DataOpt -- implemented externally
NoNewtype : DataOpt -- don't apply newtype optimisation
%name DataOpt dopt
public export
data Data : Type where
MkData : FC -> (n : Name) -> (tycon : Maybe TTImp) ->
(opts : List DataOpt) ->
(datacons : List ITy) -> Data
MkLater : FC -> (n : Name) -> (tycon : TTImp) -> Data
%name Data dt
public export
data IField : Type where
MkIField : FC -> Count -> PiInfo TTImp -> Name -> TTImp ->
IField
%name IField fld
public export
data Record : Type where
MkRecord : FC -> (n : Name) ->
(params : List (Name, Count, PiInfo TTImp, TTImp)) ->
(opts : List DataOpt) ->
(conName : Name) ->
(fields : List IField) ->
Record
%name Record rec
public export
data WithFlag = Syntactic
public export
data Clause : Type where
PatClause : FC -> (lhs : TTImp) -> (rhs : TTImp) -> Clause
WithClause : FC -> (lhs : TTImp) ->
(rig : Count) -> (wval : TTImp) -> -- with'd expression (& quantity)
(prf : Maybe Name) -> -- optional name for the proof
(flags : List WithFlag) ->
List Clause -> Clause
ImpossibleClause : FC -> (lhs : TTImp) -> Clause
%name Clause cl
public export
data WithDefault : (a : Type) -> (def : a) -> Type where
DefaultedValue : WithDefault a def
SpecifiedValue : a -> WithDefault a def
export
specified : a -> WithDefault a def
specified = SpecifiedValue
export
defaulted : WithDefault a def
defaulted = DefaultedValue
export
collapseDefault : {def : a} -> WithDefault a def -> a
collapseDefault DefaultedValue = def
collapseDefault (SpecifiedValue a) = a
export
onWithDefault : (defHandler : Lazy b) -> (valHandler : a -> b) ->
WithDefault a def -> b
onWithDefault defHandler _ DefaultedValue = defHandler
onWithDefault _ valHandler (SpecifiedValue v) = valHandler v
public export
data Decl : Type where
IClaim : FC -> Count -> Visibility -> List FnOpt ->
ITy -> Decl
IData : FC -> WithDefault Visibility Private -> Maybe TotalReq -> Data -> Decl
IDef : FC -> Name -> (cls : List Clause) -> Decl
IParameters : FC -> (params : List (Name, Count, PiInfo TTImp, TTImp)) ->
(decls : List Decl) -> Decl
IRecord : FC ->
Maybe String -> -- nested namespace
WithDefault Visibility Private ->
Maybe TotalReq -> Record -> Decl
INamespace : FC -> Namespace -> (decls : List Decl) -> Decl
ITransform : FC -> Name -> TTImp -> TTImp -> Decl
IRunElabDecl : FC -> TTImp -> Decl
ILog : Maybe (List String, Nat) -> Decl
IBuiltin : FC -> BuiltinType -> Name -> Decl
%name Decl decl
public export
getFC : TTImp -> FC
getFC (IVar fc _) = fc
getFC (IPi fc _ _ _ _ _) = fc
getFC (ILam fc _ _ _ _ _) = fc
getFC (ILet fc _ _ _ _ _ _) = fc
getFC (ICase fc _ _ _ _) = fc
getFC (ILocal fc _ _) = fc
getFC (IUpdate fc _ _) = fc
getFC (IApp fc _ _) = fc
getFC (INamedApp fc _ _ _) = fc
getFC (IAutoApp fc _ _) = fc
getFC (IWithApp fc _ _) = fc
getFC (ISearch fc _) = fc
getFC (IAlternative fc _ _) = fc
getFC (IRewrite fc _ _) = fc
getFC (IBindHere fc _ _) = fc
getFC (IBindVar fc _) = fc
getFC (IAs fc _ _ _ _) = fc
getFC (IMustUnify fc _ _) = fc
getFC (IDelayed fc _ _) = fc
getFC (IDelay fc _) = fc
getFC (IForce fc _) = fc
getFC (IQuote fc _) = fc
getFC (IQuoteName fc _) = fc
getFC (IQuoteDecl fc _) = fc
getFC (IUnquote fc _) = fc
getFC (IPrimVal fc _) = fc
getFC (IType fc) = fc
getFC (IHole fc _) = fc
getFC (Implicit fc _) = fc
getFC (IWithUnambigNames fc _ _) = fc
public export
mapTopmostFC : (FC -> FC) -> TTImp -> TTImp
mapTopmostFC fcf $ IVar fc a = IVar (fcf fc) a
mapTopmostFC fcf $ IPi fc a b c d e = IPi (fcf fc) a b c d e
mapTopmostFC fcf $ ILam fc a b c d e = ILam (fcf fc) a b c d e
mapTopmostFC fcf $ ILet fc a b c d e f = ILet (fcf fc) a b c d e f
mapTopmostFC fcf $ ICase fc opts a b c = ICase (fcf fc) opts a b c
mapTopmostFC fcf $ ILocal fc a b = ILocal (fcf fc) a b
mapTopmostFC fcf $ IUpdate fc a b = IUpdate (fcf fc) a b
mapTopmostFC fcf $ IApp fc a b = IApp (fcf fc) a b
mapTopmostFC fcf $ INamedApp fc a b c = INamedApp (fcf fc) a b c
mapTopmostFC fcf $ IAutoApp fc a b = IAutoApp (fcf fc) a b
mapTopmostFC fcf $ IWithApp fc a b = IWithApp (fcf fc) a b
mapTopmostFC fcf $ ISearch fc a = ISearch (fcf fc) a
mapTopmostFC fcf $ IAlternative fc a b = IAlternative (fcf fc) a b
mapTopmostFC fcf $ IRewrite fc a b = IRewrite (fcf fc) a b
mapTopmostFC fcf $ IBindHere fc a b = IBindHere (fcf fc) a b
mapTopmostFC fcf $ IBindVar fc a = IBindVar (fcf fc) a
mapTopmostFC fcf $ IAs fc a b c d = IAs (fcf fc) a b c d
mapTopmostFC fcf $ IMustUnify fc a b = IMustUnify (fcf fc) a b
mapTopmostFC fcf $ IDelayed fc a b = IDelayed (fcf fc) a b
mapTopmostFC fcf $ IDelay fc a = IDelay (fcf fc) a
mapTopmostFC fcf $ IForce fc a = IForce (fcf fc) a
mapTopmostFC fcf $ IQuote fc a = IQuote (fcf fc) a
mapTopmostFC fcf $ IQuoteName fc a = IQuoteName (fcf fc) a
mapTopmostFC fcf $ IQuoteDecl fc a = IQuoteDecl (fcf fc) a
mapTopmostFC fcf $ IUnquote fc a = IUnquote (fcf fc) a
mapTopmostFC fcf $ IPrimVal fc a = IPrimVal (fcf fc) a
mapTopmostFC fcf $ IType fc = IType (fcf fc)
mapTopmostFC fcf $ IHole fc a = IHole (fcf fc) a
mapTopmostFC fcf $ Implicit fc a = Implicit (fcf fc) a
mapTopmostFC fcf $ IWithUnambigNames fc a b = IWithUnambigNames (fcf fc) a b
public export
Eq BindMode where
PI c == PI c' = c == c'
PATTERN == PATTERN = True
NONE == NONE = True
_ == _ = False
public export
Eq UseSide where
UseLeft == UseLeft = True
UseRight == UseRight = True
_ == _ = False
public export
Eq DotReason where
NonLinearVar == NonLinearVar = True
VarApplied == VarApplied = True
NotConstructor == NotConstructor = True
ErasedArg == ErasedArg = True
UserDotted == UserDotted = True
UnknownDot == UnknownDot = True
UnderAppliedCon == UnderAppliedCon = True
_ == _ = False
public export
Eq WithFlag where
Syntactic == Syntactic = True
public export
Eq DataOpt where
SearchBy ns == SearchBy ns' = ns == ns'
NoHints == NoHints = True
UniqueSearch == UniqueSearch = True
External == External = True
NoNewtype == NoNewtype = True
_ == _ = False
public export
Eq a => Eq (WithDefault a def) where
DefaultedValue == DefaultedValue = True
DefaultedValue == SpecifiedValue _ = False
SpecifiedValue _ == DefaultedValue = False
SpecifiedValue x == SpecifiedValue y = x == y
public export
Ord a => Ord (WithDefault a def) where
compare DefaultedValue DefaultedValue = EQ
compare DefaultedValue (SpecifiedValue _) = LT
compare (SpecifiedValue _) DefaultedValue = GT
compare (SpecifiedValue x) (SpecifiedValue y) = compare x y
public export
{def : a} -> (Show a) => Show (WithDefault a def) where
show (SpecifiedValue x) = show x
show DefaultedValue = show def
public export
Eq a => Eq (PiInfo a) where
ImplicitArg == ImplicitArg = True
ExplicitArg == ExplicitArg = True
AutoImplicit == AutoImplicit = True
DefImplicit t == DefImplicit t' = t == t'
_ == _ = False
parameters {auto eqTTImp : Eq TTImp}
public export
Eq Clause where
PatClause _ lhs rhs == PatClause _ lhs' rhs' =
lhs == lhs' && rhs == rhs'
WithClause _ l r w p f cs == WithClause _ l' r' w' p' f' cs' =
l == l' && r == r' && w == w' && p == p' && f == f' && (assert_total $ cs == cs')
ImpossibleClause _ l == ImpossibleClause _ l' = l == l'
_ == _ = False
public export
Eq IFieldUpdate where
ISetField p t == ISetField p' t' =
p == p' && t == t'
ISetFieldApp p t == ISetFieldApp p' t' =
p == p' && t == t'
_ == _ = False
public export
Eq AltType where
FirstSuccess == FirstSuccess = True
Unique == Unique = True
UniqueDefault t == UniqueDefault t' = t == t'
_ == _ = False
public export
Eq FnOpt where
Inline == Inline = True
NoInline == NoInline = True
Deprecate == Deprecate = True
TCInline == TCInline = True
Hint b == Hint b' = b == b'
GlobalHint b == GlobalHint b' = b == b'
ExternFn == ExternFn = True
ForeignFn es == ForeignFn es' = es == es'
ForeignExport es == ForeignExport es' = es == es'
Invertible == Invertible = True
Totality tr == Totality tr' = tr == tr'
Macro == Macro = True
SpecArgs ns == SpecArgs ns' = ns == ns'
_ == _ = False
public export
Eq ITy where
MkTy _ _ n ty == MkTy _ _ n' ty' = n == n' && ty == ty'
public export
Eq Data where
MkData _ n tc os dc == MkData _ n' tc' os' dc' =
n == n' && tc == tc' && os == os' && dc == dc'
MkLater _ n tc == MkLater _ n' tc' =
n == n' && tc == tc'
_ == _ = False
public export
Eq IField where
MkIField _ c pi n e == MkIField _ c' pi' n' e' =
c == c' && pi == pi' && n == n' && e == e'
public export
Eq Record where
MkRecord _ n ps opts cn fs == MkRecord _ n' ps' opts' cn' fs' =
n == n' && ps == ps' && opts == opts' && cn == cn' && fs == fs'
public export
Eq Decl where
IClaim _ c v fos t == IClaim _ c' v' fos' t' =
c == c' && v == v' && fos == fos' && t == t'
IData _ v t d == IData _ v' t' d' =
v == v' && t == t' && d == d'
IDef _ n cs == IDef _ n' cs' =
n == n' && cs == cs'
IParameters _ ps ds == IParameters _ ps' ds' =
ps == ps' && (assert_total $ ds == ds')
IRecord _ ns v tr r == IRecord _ ns' v' tr' r' =
ns == ns' && v == v' && tr == tr' && r == r'
INamespace _ ns ds == INamespace _ ns' ds' =
ns == ns' && (assert_total $ ds == ds')
ITransform _ n f t == ITransform _ n' f' t' =
n == n' && f == f' && t == t'
IRunElabDecl _ e == IRunElabDecl _ e' = e == e'
ILog p == ILog p' = p == p'
IBuiltin _ t n == IBuiltin _ t' n' =
t == t' && n == n'
_ == _ = False
public export
Eq TTImp where
IVar _ v == IVar _ v' = v == v'
IPi _ c i n a r == IPi _ c' i' n' a' r' =
c == c' && (assert_total $ i == i') && n == n' && a == a' && r == r'
ILam _ c i n a r == ILam _ c' i' n' a' r' =
c == c' && (assert_total $ i == i') && n == n' && a == a' && r == r'
ILet _ _ c n ty val s == ILet _ _ c' n' ty' val' s' =
c == c' && n == n' && ty == ty' && val == val' && s == s'
ICase _ _ t ty cs == ICase _ _ t' ty' cs'
= t == t' && ty == ty' && (assert_total $ cs == cs')
ILocal _ ds e == ILocal _ ds' e' =
(assert_total $ ds == ds') && e == e'
IUpdate _ fs t == IUpdate _ fs' t' =
(assert_total $ fs == fs') && t == t'
IApp _ f x == IApp _ f' x' = f == f' && x == x'
INamedApp _ f n x == INamedApp _ f' n' x' =
f == f' && n == n' && x == x'
IAutoApp _ f x == IAutoApp _ f' x' = f == f' && x == x'
IWithApp _ f x == IWithApp _ f' x' = f == f' && x == x'
ISearch _ n == ISearch _ n' = n == n'
IAlternative _ t as == IAlternative _ t' as' =
(assert_total $ t == t') && (assert_total $ as == as')
IRewrite _ p q == IRewrite _ p' q' =
p == p' && q == q'
IBindHere _ m t == IBindHere _ m' t' =
m == m' && t == t'
IBindVar _ s == IBindVar _ s' = s == s'
IAs _ _ u n t == IAs _ _ u' n' t' =
u == u' && n == n' && t == t'
IMustUnify _ r t == IMustUnify _ r' t' =
r == r' && t == t'
IDelayed _ r t == IDelayed _ r' t' = r == r' && t == t'
IDelay _ t == IDelay _ t' = t == t'
IForce _ t == IForce _ t' = t == t'
IQuote _ tm == IQuote _ tm' = tm == tm'
IQuoteName _ n == IQuoteName _ n' = n == n'
IQuoteDecl _ ds == IQuoteDecl _ ds' = assert_total $ ds == ds'
IUnquote _ tm == IUnquote _ tm' = tm == tm'
IPrimVal _ c == IPrimVal _ c' = c == c'
IType _ == IType _ = True
IHole _ s == IHole _ s' = s == s'
Implicit _ b == Implicit _ b' = b == b'
IWithUnambigNames _ ns t == IWithUnambigNames _ ns' t' =
map snd ns == map snd ns' && t == t'
_ == _ = False
public export
data Mode = InDecl | InCase
mutual
public export
Show IField where
show (MkIField fc rig pinfo nm s) =
showPiInfo {wrapExplicit=False} pinfo (showCount rig "\{show nm} : \{show s}")
public export
Show Record where
show (MkRecord fc n params opts conName fields) -- TODO: print opts
= unwords
[ "record", show n
, unwords (map (\ (nm, rig, pinfo, ty) =>
showPiInfo pinfo (showCount rig "\{show nm} : \{show ty}"))
params)
, "where"
, "{"
, "constructor", show conName, "; "
, joinBy "; " (map show fields)
, "}"
]
public export
Show Data where
show (MkData fc n tycon opts datacons) -- TODO: print opts
= unwords
[ "data", show n, ":", show tycon, "where"
, "{", joinBy "; " (map show datacons), "}"
]
show (MkLater fc n tycon) = unwords [ "data", show n, ":", show tycon ]
public export
Show ITy where
show (MkTy fc nameFC n ty) = "\{show n} : \{show ty}"
public export
Show Decl where
show (IClaim fc rig vis xs sig)
= unwords [ show vis
, showCount rig (show sig) ]
show (IData fc vis treq dt)
= unwords [ show vis
, showTotalReq treq (show dt)
]
show (IDef fc nm xs) = joinBy "; " (map (showClause InDecl) xs)
show (IParameters fc params decls)
= unwords
[ "parameters"
, unwords (map (\ (nm, rig, pinfo, ty) =>
showPiInfo pinfo (showCount rig "\{show nm} : \{show ty}"))
params)
, "{"
, joinBy "; " (assert_total $ map show decls)
, "}"
]
show (IRecord fc x vis treq rec)
= unwords [ show vis, showTotalReq treq (show rec) ]
show (INamespace fc ns decls)
= unwords
[ "namespace", show ns
, "{", joinBy "; " (assert_total $ map show decls), "}" ]
show (ITransform fc nm s t) = #"%transform "\{show nm}" \{show s} = \{show t}"#
show (IRunElabDecl fc s) = "%runElab \{show s}"
show (ILog loglvl) = case loglvl of
Nothing => "%logging off"
Just ([], lvl) => "%logging \{show lvl}"
Just (topic, lvl) => "%logging \{joinBy "." topic} \{show lvl}"
show (IBuiltin fc bty nm) = "%builtin \{show bty} \{show nm}"
public export
Show IFieldUpdate where
show (ISetField path s) = "\{joinBy "->" path} := \{show s}"
show (ISetFieldApp path s) = "\{joinBy "->" path} $= \{show s}"
public export
showClause : Mode -> Clause -> String
showClause mode (PatClause fc lhs rhs) = "\{show lhs} \{showSep mode} \{show rhs}" where
showSep : Mode -> String
showSep InDecl = "="
showSep InCase = "=>"
showClause mode (WithClause fc lhs rig wval prf flags cls) -- TODO print flags
= unwords
[ show lhs, "with"
, showCount rig $ maybe id (\ nm => (++ " proof \{show nm}")) prf
$ showParens True (show wval)
, "{", joinBy "; " (assert_total $ map (showClause mode) cls), "}"
]
showClause mode (ImpossibleClause fc lhs) = "\{show lhs} impossible"
collectPis : Count -> PiInfo TTImp -> SnocList Name -> TTImp -> TTImp -> (List Name, TTImp)
collectPis rig pinfo xs argTy t@(IPi fc rig' pinfo' x argTy' retTy)
= ifThenElse (rig == rig' && pinfo == pinfo' && argTy == argTy')
(collectPis rig pinfo (xs :< fromMaybe (UN Underscore) x) argTy retTy)
(xs <>> [], t)
collectPis rig pinfo xs argTy t = (xs <>> [], t)
showIApps : TTImp -> List String -> String
showIApps (IApp _ f t) ts = showIApps f (assert_total (showPrec App t) :: ts)
showIApps (IVar _ nm) [a,b] =
if isOp nm then unwords [a, showPrefix False nm, b]
else unwords [showPrefix True nm, a, b]
showIApps f ts = unwords (show f :: ts)
public export
Show TTImp where
showPrec d (IVar fc nm) = showPrefix True nm
showPrec d (IPi fc MW ExplicitArg Nothing argTy retTy)
= showParens (d > Open) $ "\{showPrec Dollar argTy} -> \{show retTy}"
showPrec d (IPi fc MW AutoImplicit Nothing argTy retTy)
= showParens (d > Open) $ "\{showPrec Dollar argTy} => \{show retTy}"
showPrec d (IPi fc rig pinfo x argTy retTy)
= showParens (d > Open) $
let (xs, retTy) = collectPis rig pinfo [<fromMaybe (UN Underscore) x] argTy retTy in
assert_total (showPiInfo pinfo "\{showCount rig $ joinBy ", " (show <$> xs)} : \{show argTy}")
++ " -> \{assert_total $ show retTy}"
showPrec d (ILam fc rig pinfo x argTy lamTy)
= showParens (d > Open) $
"\\ \{showCount rig $ show (fromMaybe (UN Underscore) x)} => \{show lamTy}"
showPrec d (ILet fc lhsFC rig nm nTy nVal scope)
= showParens (d > Open) $
"let \{showCount rig (show nm)} : \{show nTy} = \{show nVal} in \{show scope}"
showPrec d (ICase fc _ s ty xs)
= showParens (d > Open) $
unwords $ [ "case", show s ] ++ typeFor ty ++ [ "of", "{"
, joinBy "; " (assert_total $ map (showClause InCase) xs)
, "}"
]
where
typeFor : TTImp -> List String
typeFor $ Implicit _ False = []
typeFor ty = [ "{-", ":", show ty, "-}" ]
showPrec d (ILocal fc decls s)
= showParens (d > Open) $
unwords [ "let", joinBy "; " (assert_total $ map show decls)
, "in", show s
]
showPrec d (IUpdate fc upds s)
= showParens (d > Open) $
unwords [ "{", joinBy ", " $ assert_total (map show upds), "}"
, showPrec App s ]
showPrec d (IApp fc f t)
= showParens (d >= App) $ assert_total $ showIApps f [showPrec App t]
showPrec d (INamedApp fc f nm t)
= showParens (d >= App) $ "\{show f} {\{show nm} = \{show t}}"
showPrec d (IAutoApp fc f t)
= showParens (d >= App) $ "\{show f} @{\{show t}}"
showPrec d (IWithApp fc f t)
= showParens (d >= App) $ "\{show f} | \{showPrec App t}"
showPrec d (ISearch fc depth) = "%search"
showPrec d (IAlternative fc x xs) = "<\{show (length xs)} alts>"
showPrec d (IRewrite fc s t)
= showParens (d > Open) "rewrite \{show s} in \{show t}"
showPrec d (IBindHere fc bm s) = showPrec d s
showPrec d (IBindVar fc x) = x
showPrec d (IAs fc nameFC side nm s)
= "\{show nm}@\{showPrec App s}"
showPrec d (IMustUnify fc dr s) = ".(\{show s})"
showPrec d (IDelayed fc LInf s) = showCon d "Inf" $ assert_total $ showArg s
showPrec d (IDelayed fc LLazy s) = showCon d "Lazy" $ assert_total $ showArg s
showPrec d (IDelayed fc LUnknown s) = "({- unknown lazy -} \{showPrec Open s})"
showPrec d (IDelay fc s) = showCon d "Delay" $ assert_total $ showArg s
showPrec d (IForce fc s) = showCon d "Force" $ assert_total $ showArg s
showPrec d (IQuote fc s) = "`(\{show s})"
showPrec d (IQuoteName fc nm) = "`{\{show nm}}"
showPrec d (IQuoteDecl fc xs) = "`[\{joinBy "; " (assert_total $ map show xs)}]"
showPrec d (IUnquote fc s) = "~(\{show s})"
showPrec d (IPrimVal fc c) = show c
showPrec d (IType fc) = "Type"
showPrec d (IHole fc str) = "?" ++ str
showPrec d (Implicit fc b) = ifThenElse b "_" "?"
showPrec d (IWithUnambigNames fc ns s) = case ns of
[] => show s
[(_,x)] => "with \{show x} \{show s}"
_ => "with [\{joinBy ", " $ map (show . snd) ns}] \{show s}"
public export
data Argument a
= Arg FC a
| NamedArg FC Name a
| AutoArg FC a
public export
isExplicit : Argument a -> Maybe (FC, a)
isExplicit (Arg fc a) = pure (fc, a)
isExplicit _ = Nothing
public export
fromPiInfo : FC -> PiInfo t -> Maybe Name -> a -> Maybe (Argument a)
fromPiInfo fc ImplicitArg (Just nm) a = pure (NamedArg fc nm a)
fromPiInfo fc ExplicitArg _ a = pure (Arg fc a)
fromPiInfo fc AutoImplicit _ a = pure (AutoArg fc a)
fromPiInfo fc (DefImplicit _) (Just nm) a = pure (NamedArg fc nm a)
fromPiInfo _ _ _ _ = Nothing
public export
Functor Argument where
map f (Arg fc a) = Arg fc (f a)
map f (NamedArg fc nm a) = NamedArg fc nm (f a)
map f (AutoArg fc a) = AutoArg fc (f a)
public export
iApp : TTImp -> Argument TTImp -> TTImp
iApp f (Arg fc t) = IApp fc f t
iApp f (NamedArg fc nm t) = INamedApp fc f nm t
iApp f (AutoArg fc t) = IAutoApp fc f t
public export
unArg : Argument a -> a
unArg (Arg _ x) = x
unArg (NamedArg _ _ x) = x
unArg (AutoArg _ x) = x
||| We often apply multiple arguments, this makes things simpler
public export
apply : TTImp -> List (Argument TTImp) -> TTImp
apply = foldl iApp
public export
data IsAppView : (FC, Name) -> SnocList (Argument TTImp) -> TTImp -> Type where
AVVar : IsAppView (fc, t) [<] (IVar fc t)
AVApp : IsAppView x ts f -> IsAppView x (ts :< Arg fc t) (IApp fc f t)
AVNamedApp : IsAppView x ts f -> IsAppView x (ts :< NamedArg fc n t) (INamedApp fc f n t)
AVAutoApp : IsAppView x ts f -> IsAppView x (ts :< AutoArg fc t) (IAutoApp fc f a)
public export
record AppView (t : TTImp) where
constructor MkAppView
head : (FC, Name)
args : SnocList (Argument TTImp)
0 isAppView : IsAppView head args t
public export
appView : (t : TTImp) -> Maybe (AppView t)
appView (IVar fc f) = Just (MkAppView (fc, f) [<] AVVar)
appView (IApp fc f t) = do
(MkAppView x ts prf) <- appView f
pure (MkAppView x (ts :< Arg fc t) (AVApp prf))
appView (INamedApp fc f n t) = do
(MkAppView x ts prf) <- appView f
pure (MkAppView x (ts :< NamedArg fc n t) (AVNamedApp prf))
appView (IAutoApp fc f t) = do
(MkAppView x ts prf) <- appView f
pure (MkAppView x (ts :< AutoArg fc t) (AVAutoApp prf))
appView _ = Nothing
parameters (f : TTImp -> TTImp)
public export
mapTTImp : TTImp -> TTImp
public export
mapPiInfo : PiInfo TTImp -> PiInfo TTImp
mapPiInfo ImplicitArg = ImplicitArg
mapPiInfo ExplicitArg = ExplicitArg
mapPiInfo AutoImplicit = AutoImplicit
mapPiInfo (DefImplicit t) = DefImplicit (mapTTImp t)
public export
mapClause : Clause -> Clause
mapClause (PatClause fc lhs rhs) = PatClause fc (mapTTImp lhs) (mapTTImp rhs)
mapClause (WithClause fc lhs rig wval prf flags cls)
= WithClause fc (mapTTImp lhs) rig (mapTTImp wval) prf flags (assert_total $ map mapClause cls)
mapClause (ImpossibleClause fc lhs) = ImpossibleClause fc (mapTTImp lhs)
public export
mapITy : ITy -> ITy
mapITy (MkTy fc nameFC n ty) = MkTy fc nameFC n (mapTTImp ty)
public export
mapFnOpt : FnOpt -> FnOpt
mapFnOpt Inline = Inline
mapFnOpt NoInline = NoInline
mapFnOpt Deprecate = Deprecate
mapFnOpt TCInline = TCInline
mapFnOpt (Hint b) = Hint b
mapFnOpt (GlobalHint b) = GlobalHint b
mapFnOpt ExternFn = ExternFn
mapFnOpt (ForeignFn ts) = ForeignFn (map mapTTImp ts)
mapFnOpt (ForeignExport ts) = ForeignExport (map mapTTImp ts)
mapFnOpt Invertible = Invertible
mapFnOpt (Totality treq) = Totality treq
mapFnOpt Macro = Macro
mapFnOpt (SpecArgs ns) = SpecArgs ns
public export
mapData : Data -> Data
mapData (MkData fc n tycon opts datacons)
= MkData fc n (map mapTTImp tycon) opts (map mapITy datacons)
mapData (MkLater fc n tycon) = MkLater fc n (mapTTImp tycon)
public export
mapIField : IField -> IField
mapIField (MkIField fc rig pinfo n t) = MkIField fc rig (mapPiInfo pinfo) n (mapTTImp t)
public export
mapRecord : Record -> Record
mapRecord (MkRecord fc n params opts conName fields)
= MkRecord fc n (map (map $ map $ bimap mapPiInfo mapTTImp) params) opts conName (map mapIField fields)
public export
mapDecl : Decl -> Decl
mapDecl (IClaim fc rig vis opts ty)
= IClaim fc rig vis (map mapFnOpt opts) (mapITy ty)
mapDecl (IData fc vis mtreq dat) = IData fc vis mtreq (mapData dat)
mapDecl (IDef fc n cls) = IDef fc n (map mapClause cls)
mapDecl (IParameters fc params xs) = IParameters fc params (assert_total $ map mapDecl xs)
mapDecl (IRecord fc mstr x y rec) = IRecord fc mstr x y (mapRecord rec)
mapDecl (INamespace fc mi xs) = INamespace fc mi (assert_total $ map mapDecl xs)
mapDecl (ITransform fc n t u) = ITransform fc n (mapTTImp t) (mapTTImp u)
mapDecl (IRunElabDecl fc t) = IRunElabDecl fc (mapTTImp t)
mapDecl (ILog x) = ILog x
mapDecl (IBuiltin fc x n) = IBuiltin fc x n
public export
mapIFieldUpdate : IFieldUpdate -> IFieldUpdate
mapIFieldUpdate (ISetField path t) = ISetField path (mapTTImp t)
mapIFieldUpdate (ISetFieldApp path t) = ISetFieldApp path (mapTTImp t)
public export
mapAltType : AltType -> AltType
mapAltType FirstSuccess = FirstSuccess
mapAltType Unique = Unique
mapAltType (UniqueDefault t) = UniqueDefault (mapTTImp t)
mapTTImp t@(IVar _ _) = f t
mapTTImp (IPi fc rig pinfo x argTy retTy)
= f $ IPi fc rig (mapPiInfo pinfo) x (mapTTImp argTy) (mapTTImp retTy)
mapTTImp (ILam fc rig pinfo x argTy lamTy)
= f $ ILam fc rig (mapPiInfo pinfo) x (mapTTImp argTy) (mapTTImp lamTy)
mapTTImp (ILet fc lhsFC rig n nTy nVal scope)
= f $ ILet fc lhsFC rig n (mapTTImp nTy) (mapTTImp nVal) (mapTTImp scope)
mapTTImp (ICase fc opts t ty cls)
= f $ ICase fc opts (mapTTImp t) (mapTTImp ty) (assert_total $ map mapClause cls)
mapTTImp (ILocal fc xs t)
= f $ ILocal fc (assert_total $ map mapDecl xs) (mapTTImp t)
mapTTImp (IUpdate fc upds t) = f $ IUpdate fc (assert_total map mapIFieldUpdate upds) (mapTTImp t)
mapTTImp (IApp fc t u) = f $ IApp fc (mapTTImp t) (mapTTImp u)
mapTTImp (IAutoApp fc t u) = f $ IAutoApp fc (mapTTImp t) (mapTTImp u)
mapTTImp (INamedApp fc t n u) = f $ INamedApp fc (mapTTImp t) n (mapTTImp u)
mapTTImp (IWithApp fc t u) = f $ IWithApp fc (mapTTImp t) (mapTTImp u)
mapTTImp (ISearch fc depth) = f $ ISearch fc depth
mapTTImp (IAlternative fc alt ts) = f $ IAlternative fc (mapAltType alt) (assert_total map mapTTImp ts)
mapTTImp (IRewrite fc t u) = f $ IRewrite fc (mapTTImp t) (mapTTImp u)
mapTTImp (IBindHere fc bm t) = f $ IBindHere fc bm (mapTTImp t)
mapTTImp (IBindVar fc str) = f $ IBindVar fc str
mapTTImp (IAs fc nameFC side n t) = f $ IAs fc nameFC side n (mapTTImp t)
mapTTImp (IMustUnify fc x t) = f $ IMustUnify fc x (mapTTImp t)
mapTTImp (IDelayed fc lz t) = f $ IDelayed fc lz (mapTTImp t)
mapTTImp (IDelay fc t) = f $ IDelay fc (mapTTImp t)
mapTTImp (IForce fc t) = f $ IForce fc (mapTTImp t)
mapTTImp (IQuote fc t) = f $ IQuote fc (mapTTImp t)
mapTTImp (IQuoteName fc n) = f $ IQuoteName fc n
mapTTImp (IQuoteDecl fc xs) = f $ IQuoteDecl fc (assert_total $ map mapDecl xs)
mapTTImp (IUnquote fc t) = f $ IUnquote fc (mapTTImp t)
mapTTImp (IPrimVal fc c) = f $ IPrimVal fc c
mapTTImp (IType fc) = f $ IType fc
mapTTImp (IHole fc str) = f $ IHole fc str
mapTTImp (Implicit fc bindIfUnsolved) = f $ Implicit fc bindIfUnsolved
mapTTImp (IWithUnambigNames fc xs t) = f $ IWithUnambigNames fc xs (mapTTImp t)
parameters {0 m : Type -> Type} {auto apl : Applicative m} (f : m TTImp -> m TTImp)
public export
mapATTImp : TTImp -> m TTImp
public export
mapMPiInfo : PiInfo TTImp -> m (PiInfo TTImp)
mapMPiInfo ImplicitArg = pure ImplicitArg
mapMPiInfo ExplicitArg = pure ExplicitArg
mapMPiInfo AutoImplicit = pure AutoImplicit
mapMPiInfo (DefImplicit t) = DefImplicit <$> mapATTImp t
public export
mapMClause : Clause -> m Clause
mapMClause (PatClause fc lhs rhs) = PatClause fc <$> mapATTImp lhs <*> mapATTImp rhs
mapMClause (WithClause fc lhs rig wval prf flags cls)
= WithClause fc
<$> mapATTImp lhs
<*> pure rig
<*> mapATTImp wval
<*> pure prf
<*> pure flags
<*> assert_total (traverse mapMClause cls)
mapMClause (ImpossibleClause fc lhs) = ImpossibleClause fc <$> mapATTImp lhs
public export
mapMITy : ITy -> m ITy
mapMITy (MkTy fc nameFC n ty) = MkTy fc nameFC n <$> mapATTImp ty
public export
mapMFnOpt : FnOpt -> m FnOpt
mapMFnOpt Inline = pure Inline
mapMFnOpt NoInline = pure NoInline
mapMFnOpt Deprecate = pure Deprecate
mapMFnOpt TCInline = pure TCInline
mapMFnOpt (Hint b) = pure (Hint b)
mapMFnOpt (GlobalHint b) = pure (GlobalHint b)
mapMFnOpt ExternFn = pure ExternFn
mapMFnOpt (ForeignFn ts) = ForeignFn <$> traverse mapATTImp ts
mapMFnOpt (ForeignExport ts) = ForeignExport <$> traverse mapATTImp ts
mapMFnOpt Invertible = pure Invertible
mapMFnOpt (Totality treq) = pure (Totality treq)
mapMFnOpt Macro = pure Macro
mapMFnOpt (SpecArgs ns) = pure (SpecArgs ns)
public export
mapMData : Data -> m Data
mapMData (MkData fc n tycon opts datacons)
= MkData fc n <$> traverse mapATTImp tycon <*> pure opts <*> traverse mapMITy datacons
mapMData (MkLater fc n tycon) = MkLater fc n <$> mapATTImp tycon
public export
mapMIField : IField -> m IField
mapMIField (MkIField fc rig pinfo n t)
= MkIField fc rig <$> mapMPiInfo pinfo <*> pure n <*> mapATTImp t
public export
mapMRecord : Record -> m Record
mapMRecord (MkRecord fc n params opts conName fields)
= MkRecord fc n
<$> traverse (bitraverse pure $ bitraverse pure $ bitraverse mapMPiInfo mapATTImp) params
<*> pure opts
<*> pure conName
<*> traverse mapMIField fields
public export
mapMDecl : Decl -> m Decl
mapMDecl (IClaim fc rig vis opts ty)
= IClaim fc rig vis <$> traverse mapMFnOpt opts <*> mapMITy ty
mapMDecl (IData fc vis mtreq dat) = IData fc vis mtreq <$> mapMData dat
mapMDecl (IDef fc n cls) = IDef fc n <$> traverse mapMClause cls
mapMDecl (IParameters fc params xs) = IParameters fc params <$> assert_total (traverse mapMDecl xs)
mapMDecl (IRecord fc mstr x y rec) = IRecord fc mstr x y <$> mapMRecord rec
mapMDecl (INamespace fc mi xs) = INamespace fc mi <$> assert_total (traverse mapMDecl xs)
mapMDecl (ITransform fc n t u) = ITransform fc n <$> mapATTImp t <*> mapATTImp u
mapMDecl (IRunElabDecl fc t) = IRunElabDecl fc <$> mapATTImp t
mapMDecl (ILog x) = pure (ILog x)
mapMDecl (IBuiltin fc x n) = pure (IBuiltin fc x n)
public export
mapMIFieldUpdate : IFieldUpdate -> m IFieldUpdate
mapMIFieldUpdate (ISetField path t) = ISetField path <$> mapATTImp t
mapMIFieldUpdate (ISetFieldApp path t) = ISetFieldApp path <$> mapATTImp t
public export
mapMAltType : AltType -> m AltType
mapMAltType FirstSuccess = pure FirstSuccess
mapMAltType Unique = pure Unique
mapMAltType (UniqueDefault t) = UniqueDefault <$> mapATTImp t
mapATTImp t@(IVar _ _) = f $ pure t
mapATTImp (IPi fc rig pinfo x argTy retTy)
= f $ IPi fc rig <$> mapMPiInfo pinfo <*> pure x <*> mapATTImp argTy <*> mapATTImp retTy
mapATTImp (ILam fc rig pinfo x argTy lamTy)
= f $ ILam fc rig <$> mapMPiInfo pinfo <*> pure x <*> mapATTImp argTy <*> mapATTImp lamTy
mapATTImp (ILet fc lhsFC rig n nTy nVal scope)
= f $ ILet fc lhsFC rig n <$> mapATTImp nTy <*> mapATTImp nVal <*> mapATTImp scope
mapATTImp (ICase fc opts t ty cls)
= f $ ICase fc opts <$> mapATTImp t <*> mapATTImp ty <*> assert_total (traverse mapMClause cls)
mapATTImp (ILocal fc xs t)
= f $ ILocal fc <$> assert_total (traverse mapMDecl xs) <*> mapATTImp t
mapATTImp (IUpdate fc upds t)
= f $ IUpdate fc <$> assert_total (traverse mapMIFieldUpdate upds) <*> mapATTImp t
mapATTImp (IApp fc t u)
= f $ IApp fc <$> mapATTImp t <*> mapATTImp u
mapATTImp (IAutoApp fc t u)
= f $ IAutoApp fc <$> mapATTImp t <*> mapATTImp u
mapATTImp (INamedApp fc t n u)
= f $ INamedApp fc <$> mapATTImp t <*> pure n <*> mapATTImp u
mapATTImp (IWithApp fc t u) = f $ IWithApp fc <$> mapATTImp t <*> mapATTImp u
mapATTImp (ISearch fc depth) = f $ pure $ ISearch fc depth
mapATTImp (IAlternative fc alt ts)
= f $ IAlternative fc <$> mapMAltType alt <*> assert_total (traverse mapATTImp ts)
mapATTImp (IRewrite fc t u) = f $ IRewrite fc <$> mapATTImp t <*> mapATTImp u
mapATTImp (IBindHere fc bm t) = f $ IBindHere fc bm <$> mapATTImp t
mapATTImp (IBindVar fc str) = f $ pure $ IBindVar fc str
mapATTImp (IAs fc nameFC side n t) = f $ IAs fc nameFC side n <$> mapATTImp t
mapATTImp (IMustUnify fc x t) = f $ IMustUnify fc x <$> mapATTImp t
mapATTImp (IDelayed fc lz t) = f $ IDelayed fc lz <$> mapATTImp t
mapATTImp (IDelay fc t) = f $ IDelay fc <$> mapATTImp t
mapATTImp (IForce fc t) = f $ IForce fc <$> mapATTImp t
mapATTImp (IQuote fc t) = f $ IQuote fc <$> mapATTImp t
mapATTImp (IQuoteName fc n) = f $ pure $ IQuoteName fc n
mapATTImp (IQuoteDecl fc xs) = f $ IQuoteDecl fc <$> assert_total (traverse mapMDecl xs)
mapATTImp (IUnquote fc t) = f $ IUnquote fc <$> mapATTImp t
mapATTImp (IPrimVal fc c) = f $ pure $ IPrimVal fc c
mapATTImp (IType fc) = f $ pure $ IType fc
mapATTImp (IHole fc str) = f $ pure $ IHole fc str
mapATTImp (Implicit fc bindIfUnsolved) = f $ pure $ Implicit fc bindIfUnsolved
mapATTImp (IWithUnambigNames fc xs t) = f $ IWithUnambigNames fc xs <$> mapATTImp t
public export
mapMTTImp : Monad m => (TTImp -> m TTImp) -> TTImp -> m TTImp
mapMTTImp = mapATTImp . (=<<)