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rewrite pretty printer

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rhiannon morris 2023-05-14 19:58:46 +02:00
parent f6abf084b3
commit 7b93a913c7
26 changed files with 1193 additions and 1360 deletions
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34
exe/Main.idr
View file

@ -9,11 +9,26 @@ import System
import Data.IORef
import Data.SortedSet
import Control.Eff
import Text.PrettyPrint.Prettyprinter.Render.Terminal
export
die : Doc HL -> IO a
die err = do putDoc $ termHL <$> err; exitFailure
private
Opts : LayoutOpts
Opts = Opts 80
private
putDoc : Doc Opts -> IO ()
putDoc = putStr . render Opts
private
die : Doc Opts -> IO a
die err = do putDoc err; exitFailure
private
prettySig : {opts : _} -> Name -> Definition -> Eff Pretty (Doc opts)
prettySig name def = do
qty <- prettyQty def.qty.fst
name <- prettyFree name
type <- prettyTerm [<] [<] def.type
hangDSingle (hsep [hcat [qty, !dotD, name], !colonD]) type
export
main : IO ()
@ -24,15 +39,11 @@ main = do
for_ (drop 1 !getArgs) $ \file => do
putStrLn "checking \{file}"
Right res <- fromParserIO ["."] seen suf defs $ loadProcessFile noLoc file
| Left err => die $ prettyError True True err
for_ res $ \(name, def) => do
putDoc $ map termHL $ nest 2 $
sep [hsep [hcat [pretty0 True def.qty.fst, dotD,
hl Free (pretty0 True name)],
colonD],
prettyTerm True [<] [<] def.type]
| Left err => die $ runPrettyColor $ prettyError True err
for_ res $ \(name, def) => putDoc $ runPrettyColor $ prettySig name def
-----------------------------------
{-
private
text : PrettyOpts -> List String
@ -73,3 +84,4 @@ join1 opts l r =
export
banner : PrettyOpts -> String
banner opts = unlines $ zipWith (join1 opts) (qtuwu opts) (text opts)
-}

24
lib/Quox/Context.idr
View file

@ -319,9 +319,27 @@ export %inline
showPrec d = showPrec d . toSnocList
where Show (Exists tm) where showPrec d t = showPrec d t.snd
export %inline
(forall n. PrettyHL (tm n)) => PrettyHL (Telescope tm from to) where
prettyM tel = separate (hl Delim ";") <$> traverse prettyM (toList tel)
parameters {opts : LayoutOpts} {0 tm : Nat -> Type}
(nameHL : HL)
(pterm : forall n. BContext n -> tm n -> Eff Pretty (Doc opts))
private
prettyOne : BindName -> BContext to -> tm to -> Eff Pretty (Doc opts)
prettyOne x xs tm = hsep <$> sequence
[hl nameHL $ prettyBind' x, hl Delim $ text ":", pterm xs tm]
private
prettyEach : BContext to -> Telescope tm from to ->
Eff Pretty (Telescope' (Doc opts) from to)
prettyEach _ [<] = pure [<]
prettyEach (xs :< x) (ts :< t) = [|prettyEach xs ts :< prettyOne x xs t|]
export
prettyTel : BContext to -> Telescope tm from to -> Eff Pretty (Doc opts)
prettyTel names tel = do
docs <- prettyEach names tel
comma <- hl Delim $ text ","
pure $ separateTight comma $ toList' docs
namespace BContext

1
lib/Quox/Parser/FromParser.idr
View file

@ -6,6 +6,7 @@ import Quox.Parser.Parser
import Quox.Typechecker
import Data.List
import Data.Maybe
import Data.SnocVect
import Quox.EffExtra

85
lib/Quox/Parser/FromParser/Error.idr
View file

@ -29,56 +29,73 @@ data Error =
| WrapParseError String ParseError
parameters (unicode, showContext : Bool)
export
prettyParseError1 : String -> ParsingError _ -> Doc HL
prettyParseError1 file (Error msg Nothing) =
pretty msg
prettyParseError1 file (Error msg (Just bounds)) =
hsep [prettyLoc $ makeLoc file bounds, pretty msg]
export
prettyLexError : {opts : _} -> String -> LexError -> Eff Pretty (Doc opts)
prettyLexError file (Err reason line col char) = do
let loc = makeLoc file (MkBounds line col line col)
reason <- case reason of
EndInput => pure "unexpected end of input"
NoRuleApply => pure $ text "unrecognised character: \{show char}"
ComposeNotClosing (sl, sc) (el, ec) => pure $
hsep ["unterminated token at", !(prettyBounds (MkBounds sl sc el ec))]
pure $ vappend !(prettyLoc loc) reason
export
prettyParseError : String -> ParseError -> Doc HL
prettyParseError file (LexError err) =
vsep ["lexical error:", nest 2 $ pretty $ show err]
prettyParseError file (ParseError errs) =
vsep $ "parse error:" ::
map (("-" <++>) . prettyParseError1 file) (toList errs)
export
prettyParseError1 : {opts : _} -> String -> ParsingError _ ->
Eff Pretty (Doc opts)
prettyParseError1 file (Error msg Nothing) =
pure $ text msg
prettyParseError1 file (Error msg (Just bounds)) =
pure $ vappend !(prettyLoc $ makeLoc file bounds) (text msg)
export
prettyParseError : {opts : _} -> String -> ParseError ->
Eff Pretty (Doc opts)
prettyParseError file (LexError err) =
pure $ vsep ["lexical error:", !(prettyLexError file err)]
prettyParseError file (ParseError errs) =
map (vsep . ("parse error:" ::)) $
traverse (map ("-" <++>) . prettyParseError1 file) (toList errs)
parameters (showContext : Bool)
export
prettyError : Error -> Doc HL
prettyError : {opts : _} -> Error -> Eff Pretty (Doc opts)
prettyError (AnnotationNeeded loc ctx tm) =
sep [prettyLoc loc <++> "the term",
prettyTerm unicode ctx.dnames ctx.tnames tm,
"needs a type annotation"]
[|vappend (prettyLoc loc)
(hangD "type annotation needed on"
!(prettyTerm ctx.dnames ctx.tnames tm))|]
-- [todo] print the original PTerm instead
prettyError (DuplicatesInEnum loc tags) =
sep [prettyLoc loc <++> "duplicate tags in enum type",
braces $ fillSep $ map pretty tags]
[|vappend (prettyLoc loc)
(hangD "duplicate tags in enum type" !(prettyEnum tags))|]
prettyError (DimNotInScope loc i) =
sep [prettyLoc loc <++> "dimension",
pretty0 unicode $ DV $ fromString i, "not in scope"]
[|vappend (prettyLoc loc)
(pure $ hsep ["dimension", !(hl DVar $ text i), "not in scope"])|]
prettyError (TermNotInScope loc x) =
sep [prettyLoc loc <++> "term variable",
hl Free $ pretty0 unicode x, "not in scope"]
[|vappend (prettyLoc loc)
(pure $ hsep ["term variable", !(prettyFree x), "not in scope"])|]
prettyError (QtyNotGlobal loc pi) =
sep [prettyLoc loc <++> "quantity", pretty0 unicode pi,
"can't be used on a top level declaration"]
prettyError (QtyNotGlobal loc pi) = pure $
vappend !(prettyLoc loc)
(sep ["quantity" <++> !(prettyQty pi),
"can't be used on a top level declaration"])
prettyError (DimNameInTerm loc i) =
sep [prettyLoc loc <++> "dimension variable",
pretty0 unicode $ DV $ fromString i, "used in a term context"]
prettyError (DimNameInTerm loc i) = pure $
vappend !(prettyLoc loc)
(sep ["dimension" <++> !(hl DVar $ text i),
"used in a term context"])
prettyError (WrapTypeError err) =
Typing.prettyError unicode showContext $ trimContext 2 err
Typing.prettyError showContext $ trimContext 2 err
prettyError (LoadError loc str err) =
vsep [hsep [prettyLoc loc, "couldn't load file", pretty str],
fromString $ show err]
prettyError (LoadError loc str err) = pure $
vsep [!(prettyLoc loc),
"couldn't load file" <++> text str,
text $ show err]
prettyError (WrapParseError file err) =
prettyParseError file err

444
lib/Quox/Pretty.idr
View file

@ -3,15 +3,14 @@ module Quox.Pretty
import Quox.Loc
import Quox.Name
import public Text.PrettyPrint.Prettyprinter.Doc
import Text.PrettyPrint.Prettyprinter.Render.String
import Text.PrettyPrint.Prettyprinter.Render.Terminal
import public Text.PrettyPrint.Bernardy
import public Text.PrettyPrint.Bernardy.Core.Decorate
import public Quox.EffExtra
import public Data.String
import Control.ANSI.SGR
import Data.DPair
import Data.SnocList
import public Control.Monad.Identity
import public Control.Monad.Reader
import Derive.Prelude
%default total
@ -21,13 +20,17 @@ import Derive.Prelude
public export
record PrettyOpts where
constructor MakePrettyOpts
unicode, color : Bool
public export
defPrettyOpts : PrettyOpts
defPrettyOpts = MakePrettyOpts {unicode = True, color = True}
data PPrec
= Outer
| Times -- "_ × _"
| InTimes -- arguments of ×
| AnnL -- left of "∷"
| Eq -- "_ ≡ _ : _"
| InEq -- arguments of ≡
-- ...
| App -- term/dimension application
| Arg -- argument to nonfix function
%runElab derive "PPrec" [Eq, Ord, Show]
public export
@ -40,254 +43,253 @@ data HL
| Tag
%runElab derive "HL" [Eq, Ord, Show]
public export
data PPrec
= Outer
| AnnR -- right of "∷"
| AnnL -- left of "∷"
| Eq -- "_ ≡ _ : _"
| InEq -- arguments of ≡
| Times -- "_ × _"
| InTimes -- arguments of ×
-- ...
| App -- term/dimension application
| SApp -- substitution application
| Arg -- argument to nonfix function
%runElab derive "PPrec" [Eq, Ord, Show]
data Flavor = Unicode | Ascii
%runElab derive "Flavor" [Eq, Ord, Show]
export %inline
noHighlight : HL -> Highlight
noHighlight _ = MkHighlight "" ""
public export
data EffTag = PREC | FLAVOR | HIGHLIGHT | INDENT
public export
Pretty : List (Type -> Type)
Pretty = [StateL PREC PPrec, ReaderL FLAVOR Flavor,
ReaderL HIGHLIGHT (HL -> Highlight), ReaderL INDENT Nat]
export %inline
runPrettyWith : PPrec -> Flavor -> (HL -> Highlight) -> Nat ->
Eff Pretty a -> a
runPrettyWith prec flavor highlight indent act =
extract $
evalStateAt PREC prec $
runReaderAt FLAVOR flavor $
runReaderAt HIGHLIGHT highlight $
runReaderAt INDENT indent act
export %inline
hl : HL -> Doc HL -> Doc HL
hl = annotate
toSGR : HL -> List SGR
toSGR Delim = []
toSGR TVar = [SetForeground BrightYellow]
toSGR TVarErr = [SetForeground BrightYellow, SetStyle SingleUnderline]
toSGR Dim = [SetForeground BrightGreen]
toSGR DVar = [SetForeground BrightGreen]
toSGR DVarErr = [SetForeground BrightGreen, SetStyle SingleUnderline]
toSGR Qty = [SetForeground BrightMagenta]
toSGR Free = [SetForeground BrightBlue]
toSGR Syntax = [SetForeground BrightCyan]
toSGR Tag = [SetForeground BrightRed]
export %inline
hl' : HL -> Doc HL -> Doc HL
hl' h = hl h . unAnnotate
export %inline
hlF : Functor f => HL -> f (Doc HL) -> f (Doc HL)
hlF = map . hl
export %inline
hlF' : Functor f => HL -> f (Doc HL) -> f (Doc HL)
hlF' = map . hl'
highlightSGR : HL -> Highlight
highlightSGR h = MkHighlight (escapeSGR $ toSGR h) (escapeSGR [Reset])
export %inline
delims : Doc HL -> Doc HL -> Doc HL -> Doc HL
delims l r doc = hl Delim l <+> doc <+> hl Delim r
runPretty : Eff Pretty a -> a
runPretty = runPrettyWith Outer Unicode noHighlight 2
export %inline
parens : Doc HL -> Doc HL
parens = delims "(" ")"
runPrettyColor : Eff Pretty a -> a
runPrettyColor = runPrettyWith Outer Unicode highlightSGR 2
export %inline
bracks : Doc HL -> Doc HL
bracks = delims "[" "]"
hl : {opts : _} -> HL -> Doc opts -> Eff Pretty (Doc opts)
hl h doc = asksAt HIGHLIGHT $ \f => decorate (f h) doc
||| includes spaces inside the braces
export %inline
braces : Doc HL -> Doc HL
braces doc = hl Delim "{" <++> nest 2 doc <++> hl Delim "}"
export %inline
parensIf : Bool -> Doc HL -> Doc HL
indentD : {opts : _} -> Doc opts -> Eff Pretty (Doc opts)
indentD doc = pure $ indent !(askAt INDENT) doc
export %inline
hangD : {opts : _} -> Doc opts -> Doc opts -> Eff Pretty (Doc opts)
hangD d1 d2 = pure $ hangSep !(askAt INDENT) d1 d2
export %inline
hangDSingle : {opts : _} -> Doc opts -> Doc opts -> Eff Pretty (Doc opts)
hangDSingle d1 d2 =
pure $ ifMultiline (d1 <++> d2) (vappend d1 !(indentD d2))
export
tightDelims : {opts : _} -> (l, r : String) -> (inner : Doc opts) ->
Eff Pretty (Doc opts)
tightDelims l r inner = do
l <- hl Delim $ text l
r <- hl Delim $ text r
pure $ hcat [l, inner, r]
export
looseDelims : {opts : _} -> (l, r : String) -> (inner : Doc opts) ->
Eff Pretty (Doc opts)
looseDelims l r inner = do
l <- hl Delim $ text l
r <- hl Delim $ text r
let short = hsep [l, inner, r]
long = vsep [l, !(indentD inner), r]
pure $ ifMultiline short long
export %inline
parens : {opts : _} -> Doc opts -> Eff Pretty (Doc opts)
parens = tightDelims "(" ")"
export %inline
bracks : {opts : _} -> Doc opts -> Eff Pretty (Doc opts)
bracks = tightDelims "[" "]"
export %inline
braces : {opts : _} -> Doc opts -> Eff Pretty (Doc opts)
braces = looseDelims "{" "}"
export %inline
parensIf : {opts : _} -> Bool -> Doc opts -> Eff Pretty (Doc opts)
parensIf True = parens
parensIf False = id
export %inline
comma : Doc HL
comma = hl Delim ","
parensIf False = pure
export %inline
asep : List (Doc a) -> Doc a
asep = align . sep
||| uses hsep only if the whole list fits on one line
export
sepSingle : {opts : _} -> List (Doc opts) -> Doc opts
sepSingle xs = ifMultiline (hsep xs) (vsep xs)
export
separate' : Doc a -> List (Doc a) -> List (Doc a)
separate' s [] = []
separate' s [x] = [x]
separate' s (x :: xs) = x <+> s :: separate' s xs
fillSep : {opts : _} -> List (Doc opts) -> Doc opts
fillSep [] = empty
fillSep (x :: xs) = foldl (\x, y => sep [x, y]) x xs
export
exceptLast : {opts : _} -> (Doc opts -> Doc opts) ->
List (Doc opts) -> List (Doc opts)
exceptLast f [] = []
exceptLast f [x] = [x]
exceptLast f (x :: xs) = f x :: exceptLast f xs
parameters {opts : LayoutOpts} {auto _ : Foldable t}
export
separateLoose : Doc opts -> t (Doc opts) -> Doc opts
separateLoose d = sep . exceptLast (<++> d) . toList
export
separateTight : Doc opts -> t (Doc opts) -> Doc opts
separateTight d = sep . exceptLast (<+> d) . toList
export
fillSeparateTight : Doc opts -> t (Doc opts) -> Doc opts
fillSeparateTight d = fillSep . exceptLast (<+> d) . toList
export %inline
separate : Doc a -> List (Doc a) -> Doc a
separate s = sep . separate' s
ifUnicode : (uni, asc : Lazy a) -> Eff Pretty a
ifUnicode uni asc =
asksAt FLAVOR $ \case
Unicode => uni
Ascii => asc
export %inline
hseparate : Doc a -> List (Doc a) -> Doc a
hseparate s = hsep . separate' s
parensIfM : {opts : _} -> PPrec -> Doc opts -> Eff Pretty (Doc opts)
parensIfM d doc = parensIf (!(getAt PREC) > d) doc
export %inline
vseparate : Doc a -> List (Doc a) -> Doc a
vseparate s = vsep . separate' s
export %inline
aseparate : Doc a -> List (Doc a) -> Doc a
aseparate s = align . separate s
public export
record PrettyEnv where
constructor MakePrettyEnv
||| names of bound dimension variables
dnames : SnocList BaseName
||| names of bound term variables
tnames : SnocList BaseName
||| use non-ascii characters for syntax
unicode : Bool
||| surrounding precedence level
prec : PPrec
public export
HasEnv : (Type -> Type) -> Type
HasEnv = MonadReader PrettyEnv
export %inline
ifUnicode : HasEnv m => (uni, asc : Lazy a) -> m a
ifUnicode uni asc = if (!ask).unicode then [|uni|] else [|asc|]
export %inline
parensIfM : HasEnv m => PPrec -> Doc HL -> m (Doc HL)
parensIfM d doc = pure $ parensIf ((!ask).prec > d) doc
export %inline
withPrec : HasEnv m => PPrec -> m a -> m a
withPrec d = local {prec := d}
public export data BinderSort = T | D
export %inline
unders : HasEnv m => BinderSort -> SnocList BaseName -> m a -> m a
unders T xs = local {prec := Outer, tnames $= (++ xs)}
unders D xs = local {prec := Outer, dnames $= (++ xs)}
export %inline
under : HasEnv m => BinderSort -> BaseName -> m a -> m a
under t x = unders t [< x]
public export
interface PrettyHL a where
prettyM : HasEnv m => a -> m (Doc HL)
export %inline
pretty0M : (PrettyHL a, HasEnv m) => a -> m (Doc HL)
pretty0M = local {prec := Outer} . prettyM
export %inline
runPrettyWith : (unicode : Bool) -> (dnames, tnames : SnocList BaseName) ->
Reader PrettyEnv a -> a
runPrettyWith unicode dnames tnames act =
let env = MakePrettyEnv {dnames, tnames, unicode, prec = Outer} in
runReader env act
export %inline
runPretty : (unicode : Bool) -> Reader PrettyEnv a -> a
runPretty unicode = runPrettyWith unicode [<] [<]
export %inline
pretty0With : PrettyHL a => (unicode : Bool) ->
(dnames, tnames : SnocList BaseName) ->
a -> Doc HL
pretty0With {unicode, dnames, tnames} =
runPrettyWith {unicode, dnames, tnames} . prettyM
export %inline
pretty0 : PrettyHL a => (unicode : Bool) -> a -> Doc HL
pretty0 unicode = pretty0With unicode [<] [<]
export PrettyHL BaseName where prettyM = pure . pretty . baseStr
export PrettyHL Name where prettyM = pure . pretty . toDots
export PrettyHL BindName where prettyM = prettyM . name
withPrec : PPrec -> Eff Pretty a -> Eff Pretty a
withPrec = localAt_ PREC
export
nameSeq : HL -> List Name -> Doc HL
nameSeq h = hl h . asep . map (pretty0 False)
prettyFree : {opts : _} -> Name -> Eff Pretty (Doc opts)
prettyFree = hl Free . text . toDots
export
prettyBind' : BindName -> Doc opts
prettyBind' = text . baseStr . name
export
prettyTBind : {opts : _} -> BindName -> Eff Pretty (Doc opts)
prettyTBind = hl TVar . prettyBind'
export
prettyDBind : {opts : _} -> BindName -> Eff Pretty (Doc opts)
prettyDBind = hl DVar . prettyBind'
export %inline
prettyStr : PrettyHL a => (unicode : Bool) -> a -> String
prettyStr unicode =
let layout = layoutSmart (MkLayoutOptions (AvailablePerLine 80 0.8)) in
renderString . layout . pretty0 unicode
typeD, arrowD, darrowD, timesD, lamD, eqndD, dlamD, annD, natD,
eqD, colonD, commaD, semiD, caseD, typecaseD, returnD,
ofD, dotD, zeroD, succD, coeD, compD, undD, cstD, pipeD :
{opts : _} -> Eff Pretty (Doc opts)
typeD = hl Syntax . text =<< ifUnicode "★" "Type"
arrowD = hl Delim . text =<< ifUnicode "→" "->"
darrowD = hl Delim . text =<< ifUnicode "⇒" "=>"
timesD = hl Delim . text =<< ifUnicode "×" "**"
lamD = hl Syntax . text =<< ifUnicode "λ" "fun"
eqndD = hl Delim . text =<< ifUnicode "≡" "=="
dlamD = hl Syntax . text =<< ifUnicode "δ" "dfun"
annD = hl Delim . text =<< ifUnicode "∷" "::"
natD = hl Syntax . text =<< ifUnicode "ℕ" "Nat"
eqD = hl Syntax $ text "Eq"
colonD = hl Delim $ text ":"
commaD = hl Delim $ text ","
semiD = hl Delim $ text ";"
caseD = hl Syntax $ text "case"
typecaseD = hl Syntax $ text "type-case"
ofD = hl Syntax $ text "of"
returnD = hl Syntax $ text "return"
dotD = hl Delim $ text "."
zeroD = hl Syntax $ text "zero"
succD = hl Syntax $ text "succ"
coeD = hl Syntax $ text "coe"
compD = hl Syntax $ text "comp"
undD = hl Syntax $ text "_"
cstD = hl Syntax $ text "="
pipeD = hl Syntax $ text "|"
export
termHL : HL -> AnsiStyle
termHL Delim = neutral
termHL TVar = color BrightYellow
termHL TVarErr = color BrightYellow <+> underline
termHL Dim = color BrightGreen
termHL DVar = color BrightGreen
termHL DVarErr = color BrightGreen <+> underline
termHL Qty = color BrightMagenta
termHL Free = color BrightBlue
termHL Syntax = color BrightCyan
termHL Tag = color BrightRed
prettyApp : {opts : _} -> Nat -> Doc opts -> List (Doc opts) -> Doc opts
prettyApp ind f args =
hsep (f :: args)
<|> hsep [f, vsep args]
<|> vsep (f :: map (indent ind) args)
export %inline
prettyIO : PrettyOpts -> PrettyHL a => a -> IO Unit
prettyIO opts x =
let reann = if opts.color then map termHL else unAnnotate in
Terminal.putDoc $ reann $ pretty0 opts.unicode x
export %inline
prettyIODef : PrettyHL a => a -> IO Unit
prettyIODef = prettyIO defPrettyOpts
infixr 6 <%%>, <%>
export %inline
(<%%>) : Doc a -> Doc a -> Doc a
a <%%> b = sep [a, b]
export %inline
(<%>) : Doc a -> Doc a -> Doc a
a <%> b = cat [a, b]
||| wrapper for names that pretty-prints highlighted as a `TVar`.
public export data TVarName = TV BaseName
export %inline PrettyHL TVarName where prettyM (TV x) = hlF TVar $ prettyM x
||| wrapper for names that pretty-prints highlighted as a `DVar`.
public export data DVarName = DV BaseName
export %inline PrettyHL DVarName where prettyM (DV x) = hlF DVar $ prettyM x
export
prettyAppD : {opts : _} -> Doc opts -> List (Doc opts) -> Eff Pretty (Doc opts)
prettyAppD f args = pure $ prettyApp !(askAt INDENT) f args
export
(forall a. PrettyHL (f a)) => PrettyHL (Exists f) where
prettyM x = prettyM x.snd
escapeString : String -> String
escapeString = concatMap esc1 . unpack where
esc1 : Char -> String
esc1 '"' = #"\""#
esc1 '\\' = #"\\"#
esc1 '\n' = #"\n"#
esc1 c = singleton c
export
PrettyHL a => PrettyHL (Subset a b) where
prettyM x = prettyM x.fst
public export
WithPretty : Type -> Type
WithPretty a = (PrettyHL a, a)
export %inline PrettyHL (WithPretty a) where prettyM x = prettyM $ snd x
export %inline
epretty : PrettyHL a => a -> Exists WithPretty
epretty @{p} x = Evidence a (p, x)
public export data Lit = L (Doc HL)
export PrettyHL Lit where prettyM (L doc) = pure doc
quoteTag : String -> String
quoteTag tag =
if isName tag then tag else
"\"" ++ escapeString tag ++ "\""
export
prettyLoc : Loc -> Doc HL
prettyLoc (L NoLoc) = hl TVarErr "no location" <+> hl Delim ":"
prettyLoc (L (YesLoc file (MkBounds l1 c1 l2 c2))) =
hcat [hl Free $ pretty file, hl Delim ":",
hl TVar $ pretty l1, hl Delim ":",
hl DVar $ pretty c1, hl Delim "-",
hl TVar $ pretty l2, hl Delim ":",
hl DVar $ pretty c2, hl Delim ":"]
prettyBounds : {opts : _} -> Bounds -> Eff Pretty (Doc opts)
prettyBounds (MkBounds l1 c1 l2 c2) =
hcat <$> sequence
[hl TVar $ text $ show l1, colonD,
hl DVar $ text $ show c1, hl Delim "-",
hl TVar $ text $ show l2, colonD,
hl DVar $ text $ show c2, colonD]
export
prettyLoc : {opts : _} -> Loc -> Eff Pretty (Doc opts)
prettyLoc (L NoLoc) =
hcat <$> sequence [hl TVarErr "no location", colonD]
prettyLoc (L (YesLoc file b)) =
hcat <$> sequence [hl Free $ text file, colonD, prettyBounds b]

45
lib/Quox/Syntax/Dim.idr
View file

@ -44,6 +44,15 @@ data Dim : Nat -> Type where
%name Dim.Dim p, q
%runElab deriveIndexed "Dim" [Eq, Ord, Show]
||| `endsOr l r x p` returns `ends l r ε` if `p` is a constant ε, and
||| `x` otherwise.
public export
endsOr : Lazy a -> Lazy a -> Lazy a -> Dim n -> a
endsOr l r x (K e _) = ends l r e
endsOr l r x (B _ _) = x
export
Located (Dim d) where
(K _ loc).loc = loc
@ -55,32 +64,13 @@ Relocatable (Dim d) where
setLoc loc (B i _) = B i loc
export
PrettyHL DimConst where
prettyM = pure . hl Dim . ends "0" "1"
prettyDimConst : {opts : _} -> DimConst -> Eff Pretty (Doc opts)
prettyDimConst = hl Dim . text . ends "0" "1"
export
PrettyHL (Dim n) where
prettyM (K e _) = prettyM e
prettyM (B i _) = prettyVar DVar DVarErr (!ask).dnames i
export
prettyDim : (dnames : NContext d) -> Dim d -> Doc HL
prettyDim dnames p =
let env = MakePrettyEnv {
dnames = toSnocList' dnames, tnames = [<],
unicode = True, prec = Outer
} in
runReader env $ prettyM p
||| `endsOr l r x e` returns:
||| - `l` if `p` is `K Zero`;
||| - `r` if `p` is `K One`;
||| - `x` otherwise.
public export
endsOr : Lazy a -> Lazy a -> Lazy a -> Dim n -> a
endsOr l r x (K e _) = ends l r e
endsOr l r x (B _ _) = x
prettyDim : {opts : _} -> BContext d -> Dim d -> Eff Pretty (Doc opts)
prettyDim names (K e _) = prettyDimConst e
prettyDim names (B i _) = prettyDBind $ names !!! i
public export %inline
@ -93,13 +83,6 @@ DSubst : Nat -> Nat -> Type
DSubst = Subst Dim
export %inline
prettyDSubst : Pretty.HasEnv m => DSubst from to -> m (Doc HL)
prettyDSubst th =
prettySubstM prettyM (!ask).dnames DVar
!(ifUnicode "⟨" "<") !(ifUnicode "⟩" ">") th
public export FromVar Dim where fromVarLoc = B

59
lib/Quox/Syntax/DimEq.idr
View file

@ -229,46 +229,37 @@ setSelf (B i _) (C eqs) with (compareP i i) | (compare i.nat i.nat)
private
prettyDVars : Pretty.HasEnv m => m (SnocList (Doc HL))
prettyDVars = map (pretty0 False . DV) <$> asks dnames
prettyDVars : {opts : _} -> BContext d -> Eff Pretty (SnocList (Doc opts))
prettyDVars = traverse prettyDBind . toSnocList'
private
prettyCst : (PrettyHL a, PrettyHL b, Pretty.HasEnv m) => a -> b -> m (Doc HL)
prettyCst p q = do
p <- pretty0M p
q <- pretty0M q
pure $ hsep [p, hl Syntax "=", q]
prettyCst : {opts : _} -> BContext d -> Dim d -> Dim d -> Eff Pretty (Doc opts)
prettyCst dnames p q =
hsep <$> sequence [prettyDim dnames p, cstD, prettyDim dnames q]
private
prettyCsts : {opts : _} -> BContext d -> DimEq' d ->
Eff Pretty (SnocList (Doc opts))
prettyCsts [<] [<] = pure [<]
prettyCsts dnames (eqs :< Nothing) = prettyCsts (tail dnames) eqs
prettyCsts dnames (eqs :< Just q) =
[|prettyCsts (tail dnames) eqs :< prettyCst dnames (BV 0 noLoc) (weakD 1 q)|]
export
PrettyHL (DimEq' d) where
prettyM eqs {m} = do
vars <- prettyDVars
eqs <- go eqs
let prec = if length vars <= 1 && null eqs then Arg else Outer
parensIfM prec $ align $ fillSep $ punctuate comma $ toList $ vars ++ eqs
where
tail : SnocList a -> SnocList a
tail [<] = [<]
tail (xs :< _) = xs
go : DimEq' d' -> m (SnocList (Doc HL))
go [<] = pure [<]
go (eqs :< Nothing) = local {dnames $= tail} $ go eqs
go (eqs :< Just p) = do
eq <- prettyCst (BV {d = 1} 0 noLoc) (weakD 1 p)
eqs <- local {dnames $= tail} $ go eqs
pure $ eqs :< eq
prettyDimEq' : {opts : _} -> BContext d -> DimEq' d -> Eff Pretty (Doc opts)
prettyDimEq' dnames eqs = do
vars <- prettyDVars dnames
eqs <- prettyCsts dnames eqs
let prec = if length vars <= 1 && null eqs then Arg else Outer
parensIfM prec $ fillSeparateTight !commaD $ toList vars ++ toList eqs
export
PrettyHL (DimEq d) where
prettyM ZeroIsOne = parensIfM Outer $
align $ fillSep $ punctuate comma $ toList $
!prettyDVars :< !(prettyCst Zero One)
prettyM (C eqs) = prettyM eqs
export
prettyDimEq : BContext d -> DimEq d -> Doc HL
prettyDimEq ds = pretty0With False (toNames ds) [<]
prettyDimEq : {opts : _} -> BContext d -> DimEq d -> Eff Pretty (Doc opts)
prettyDimEq dnames ZeroIsOne = do
vars <- prettyDVars dnames
cst <- prettyCst [<] (K Zero noLoc) (K One noLoc)
pure $ separateTight !commaD $ vars :< cst
prettyDimEq dnames (C eqs) = prettyDimEq' dnames eqs
public export

29
lib/Quox/Syntax/Qty.idr
View file

@ -20,35 +20,20 @@ import Derive.Prelude
||| - ω (or #): don't care. an ω variable *can* also be used 0/1 time
public export
data Qty = Zero | One | Any
%name Qty.Qty pi, rh
%runElab derive "Qty" [Eq, Ord, Show]
%name Qty.Qty pi, rh
export
PrettyHL Qty where
prettyM pi = hl Qty <$>
case pi of
Zero => pure "0"
One => pure "1"
Any => ifUnicode "ω" "#"
prettyQty : {opts : _} -> Qty -> Eff Pretty (Doc opts)
prettyQty Zero = hl Qty $ text "0"
prettyQty One = hl Qty $ text "1"
prettyQty Any = hl Qty =<< ifUnicode (text "ω") (text "#")
||| prints in a form that can be a suffix of "case"
public export
prettySuffix : Pretty.HasEnv m => Qty -> m (Doc HL)
prettySuffix = prettyM
public export
DecEq Qty where
decEq Zero Zero = Yes Refl
decEq Zero One = No $ \case _ impossible
decEq Zero Any = No $ \case _ impossible
decEq One Zero = No $ \case _ impossible
decEq One One = Yes Refl
decEq One Any = No $ \case _ impossible
decEq Any Zero = No $ \case _ impossible
decEq Any One = No $ \case _ impossible
decEq Any Any = Yes Refl
prettySuffix : {opts : _} -> Qty -> Eff Pretty (Doc opts)
prettySuffix = prettyQty
||| e.g. if in the expression `(s, t)`, the variable `x` is

19
lib/Quox/Syntax/Shift.idr
View file

@ -1,7 +1,6 @@
module Quox.Syntax.Shift
import public Quox.Syntax.Var
import Quox.Pretty
import Data.Nat
import Data.So
@ -206,24 +205,6 @@ compViaNatCorrect by (SS bz) =
%transform "Shift.(.)" Shift.(.) = compViaNat
||| `prettyShift bnd unicode prec by` pretty-prints the shift `by`, with the
||| following arguments:
|||
||| * `by : Shift from to`
||| * `bnd : HL` is the highlight used for bound variables of this kind
||| * `unicode : Bool` is whether to use unicode characters in the output
||| * `prec : PPrec` is the surrounding precedence level
export
prettyShift : Pretty.HasEnv m => (bnd : HL) -> Shift from to -> m (Doc HL)
prettyShift bnd by =
parensIfM Outer $ hsep $
[hl bnd !(ifUnicode "𝑖" "i"), hl Delim !(ifUnicode "≔" ":="),
hl bnd $ !(ifUnicode "𝑖+" "i+") <+> pretty by.nat]
||| prints using the `TVar` highlight for variables
export PrettyHL (Shift from to) where prettyM = prettyShift TVar
infixl 8 //
public export
interface CanShift f where

40
lib/Quox/Syntax/Subst.idr
View file

@ -3,7 +3,6 @@ module Quox.Syntax.Subst
import public Quox.Syntax.Shift
import Quox.Syntax.Var
import Quox.Name
import Quox.Pretty
import Data.Nat
import Data.List
@ -54,11 +53,6 @@ getLoc (Shift by) i loc = fromVarLoc (shift by i) loc
getLoc (t ::: th) VZ _ = t
getLoc (t ::: th) (VS i) loc = getLoc th i loc
-- infixl 8 !!
-- public export
-- (!!) : FromVar term => Subst term from to -> Var from -> term to
-- th !! i = getLoc th i noLoc
public export
CanSubstSelf Var where
@ -130,40 +124,6 @@ one : f n -> Subst f (S n) n
one x = fromSnocVect [< x]
||| `prettySubst pr names bnd op cl th` pretty-prints the substitution `th`,
||| with the following arguments:
|||
||| * `th : Subst f from to`
||| * `pr : f to -> m (Doc HL)` prints a single element
||| * `names : List Name` is a list of known bound var names
||| * `bnd : HL` is the highlight to use for bound variables being subsituted
||| * `op, cl : Doc HL` are the opening and closing brackets
export
prettySubstM : Pretty.HasEnv m =>
(pr : f to -> m (Doc HL)) ->
(names : SnocList BaseName) -> (bnd : HL) -> (op, cl : Doc HL) ->
Subst f from to -> m (Doc HL)
prettySubstM pr names bnd op cl th =
encloseSep (hl Delim op) (hl Delim cl) (hl Delim "; ") <$>
withPrec Outer (go 0 th)
where
go1 : Nat -> f to -> m (Doc HL)
go1 i t = pure $ hang 2 $ sep
[hsep [!(prettyVar' bnd bnd names i),
hl Delim !(ifUnicode "≔" ":=")],
!(pr t)]
go : forall from. Nat -> Subst f from to -> m (List (Doc HL))
go _ (Shift SZ) = pure []
go _ (Shift by) = [|pure (prettyShift bnd by)|]
go i (t ::: th) = [|go1 i t :: go (S i) th|]
||| prints with [square brackets] and the `TVar` highlight for variables
export
PrettyHL (f to) => PrettyHL (Subst f from to) where
prettyM th = prettySubstM prettyM (!ask).tnames TVar "[" "]" th
||| whether two substitutions with the same codomain have the same shape
||| (the same number of terms and the same shift at the end). if so, they
||| also have the same domain

1
lib/Quox/Syntax/Term.idr
View file

@ -1,7 +1,6 @@
module Quox.Syntax.Term
import public Quox.Syntax.Term.Base
import public Quox.Syntax.Term.Split
import public Quox.Syntax.Term.Subst
import public Quox.Syntax.Term.Pretty
import public Quox.Syntax.Term.Tighten

886
lib/Quox/Syntax/Term/Pretty.idr
View file

@ -1,423 +1,519 @@
module Quox.Syntax.Term.Pretty
import Quox.Syntax.Term.Base
import Quox.Syntax.Term.Split
import Quox.Syntax.Term.Subst
import Quox.Context
import Quox.Pretty
import Data.Vect
import Derive.Prelude
%default total
export %inline
typeD, arrowD, darrowD, timesD, lamD, eqndD, dlamD, annD, natD :
Pretty.HasEnv m => m (Doc HL)
typeD = hlF Syntax $ ifUnicode "★" "Type"
arrowD = hlF Delim $ ifUnicode "→" "->"
darrowD = hlF Delim $ ifUnicode "⇒" "=>"
timesD = hlF Delim $ ifUnicode "×" "**"
lamD = hlF Syntax $ ifUnicode "λ" "fun"
eqndD = hlF Delim $ ifUnicode "≡" "=="
dlamD = hlF Syntax $ ifUnicode "δ" "dfun"
annD = hlF Delim $ ifUnicode "∷" "::"
natD = hlF Syntax $ ifUnicode "ℕ" "Nat"
export %inline
eqD, colonD, commaD, semiD, caseD, typecaseD, returnD,
ofD, dotD, zeroD, succD, coeD, compD : Doc HL
eqD = hl Syntax "Eq"
colonD = hl Delim ":"
commaD = hl Delim ","
semiD = hl Delim ";"
caseD = hl Syntax "case"
typecaseD = hl Syntax "type-case"
ofD = hl Syntax "of"
returnD = hl Syntax "return"
dotD = hl Delim "."
zeroD = hl Syntax "zero"
succD = hl Syntax "succ"
coeD = hl Syntax "coe"
compD = hl Syntax "compD"
%language ElabReflection
export
prettyUnivSuffix : Pretty.HasEnv m => Universe -> m (Doc HL)
prettyUnivSuffix l =
ifUnicode (pretty $ pack $ map sub $ unpack $ show l) (pretty l)
where
prettyUniverse : {opts : _} -> Universe -> Eff Pretty (Doc opts)
prettyUniverse = hl Syntax . text . show
export
prettyTerm : {opts : _} -> BContext d -> BContext n -> Term d n ->
Eff Pretty (Doc opts)
export
prettyElim : {opts : _} -> BContext d -> BContext n -> Elim d n ->
Eff Pretty (Doc opts)
private
BTelescope : Nat -> Nat -> Type
BTelescope = Telescope' BindName
private
subscript : String -> String
subscript = pack . map sub . unpack where
sub : Char -> Char
sub c = case c of
'0' => '₀'; '1' => '₁'; '2' => '₂'; '3' => '₃'; '4' => '₄'
'5' => '₅'; '6' => '₆'; '7' => '₇'; '8' => '₈'; '9' => '₉'; _ => c
export
prettyUniverse : Universe -> Doc HL
prettyUniverse = hl Syntax . pretty
public export
data WithQty a = MkWithQty Qty a
export
PrettyHL a => PrettyHL (WithQty a) where
prettyM (MkWithQty q x) = do
q <- pretty0M q
x <- withPrec Arg $ prettyM x
pure $ hcat [q, dotD, x]
public export
data Binder a = MkBinder BaseName a
export
PrettyHL a => PrettyHL (Binder a) where
prettyM (MkBinder x ty) = do
x <- pretty0M $ TV x
ty <- align <$> pretty0M ty
pure $ parens $ sep [hsep [x, colonD], ty]
export
prettyBindType : PrettyHL a => PrettyHL b =>
Pretty.HasEnv m =>
Maybe Qty -> BindName -> a -> Doc HL -> b -> m (Doc HL)
prettyBindType q (BN x _) s arr t = do
bind <- case q of
Nothing => pretty0M $ MkBinder x s
Just q => pretty0M $ MkWithQty q $ MkBinder x s
t <- withPrec AnnR $ under T x $ prettyM t
parensIfM AnnR $ hang 2 $ bind <++> arr <%%> t
export
prettyArm : PrettyHL a => Pretty.HasEnv m =>
BinderSort -> SnocList BindName -> Doc HL -> a -> m (Doc HL)
prettyArm sort xs pat body = do
let xs = map name xs
body <- withPrec Outer $ unders sort xs $ prettyM body
pure $ hang 2 $ sep [pat <++> !darrowD, body]
export
prettyLams : PrettyHL a => Pretty.HasEnv m =>
Maybe (Doc HL) -> BinderSort -> SnocList BindName -> a ->
m (Doc HL)
prettyLams lam sort names body = do
let var = case sort of T => TVar; D => DVar
header <- sequence $ [hlF var $ prettyM x | x <- toList names]
let header = sep $ maybe header (:: header) lam
parensIfM Outer =<< prettyArm sort names header body
public export
data TypeLine a = MkTypeLine BindName a
export
PrettyHL a => PrettyHL (TypeLine a) where
prettyM (MkTypeLine i ty) =
if i.name == Unused then
bracks <$> pretty0M ty
else
map bracks $ withPrec Outer $ prettyLams Nothing D [< i] ty
export
prettyApps' : PrettyHL f => PrettyHL a => Pretty.HasEnv m =>
f -> List (Maybe (Doc HL), a) -> m (Doc HL)
prettyApps' fun args = do
fun <- withPrec App $ prettyM fun
args <- traverse prettyArg args
parensIfM App $ hang 2 $ sep $ fun :: args
where
prettyArg : (Maybe (Doc HL), a) -> m (Doc HL)
prettyArg (Nothing, arg) = withPrec Arg (prettyM arg)
prettyArg (Just pfx, arg) = (hl Delim pfx <+>) <$> withPrec Arg (prettyM arg)
export
prettyApps : PrettyHL f => PrettyHL a => Pretty.HasEnv m =>
Maybe (Doc HL) -> f -> List a -> m (Doc HL)
prettyApps pfx f args = prettyApps' f (map (pfx,) args)
export
prettyTuple : PrettyHL a => Pretty.HasEnv m => List a -> m (Doc HL)
prettyTuple = map (parens . align . separate commaD) . traverse prettyM
export
prettyArms : PrettyHL a => Pretty.HasEnv m =>
BinderSort -> List (SnocList BindName, Doc HL, a) -> m (Doc HL)
prettyArms s =
map (braces . aseparate semiD) .
traverse (\(xs, l, r) => prettyArm s xs l r)
export
prettyCase' : (PrettyHL a, PrettyHL b, PrettyHL c, Pretty.HasEnv m) =>
Doc HL -> a -> BindName -> b ->
List (SnocList BindName, Doc HL, c) ->
m (Doc HL)
prettyCase' intro elim r ret arms = do
elim <- pretty0M elim
ret <- case r.name of
Unused => under T r.name $ pretty0M ret
_ => prettyLams Nothing T [< r] ret
arms <- prettyArms T arms
pure $ asep [intro <++> elim, returnD <++> ret, ofD <++> arms]
export
prettyCase : (PrettyHL a, PrettyHL b, PrettyHL c, Pretty.HasEnv m) =>
Qty -> a -> BindName -> b ->
List (SnocList BindName, Doc HL, c) ->
m (Doc HL)
prettyCase pi elim r ret arms = do
caseq <- (caseD <+>) <$> prettySuffix pi
prettyCase' caseq elim r ret arms
export
escapeString : String -> String
escapeString = concatMap esc1 . unpack where
esc1 : Char -> String
esc1 '"' = #"\""#
esc1 '\\' = #"\\"#
esc1 '\n' = #"\n"#
esc1 c = singleton c
export
quoteTag : TagVal -> Doc HL
quoteTag tag =
if isName tag then fromString tag else
hcat ["\"", fromString $ escapeString tag, "\""]
export
prettyTag : TagVal -> Doc HL
prettyTag t = hl Tag $ "'" <+> quoteTag t
export
prettyTagBare : TagVal -> Doc HL
prettyTagBare t = hl Tag $ quoteTag t
export
prettyBoxVal : PrettyHL a => Pretty.HasEnv m => a -> m (Doc HL)
prettyBoxVal val = bracks <$> pretty0M val
export
prettyCompPat : Pretty.HasEnv m => DimConst -> BindName -> m (Doc HL)
prettyCompPat e j = hsep <$> sequence [pretty0M e, pretty0M $ DV j.name]
export
toNatLit : Term d n -> Maybe Nat
toNatLit (Zero _) = Just 0
toNatLit (Succ n _) = [|S $ toNatLit n|]
toNatLit _ = Nothing
private
eterm : Term d n -> Exists (Term d)
eterm = Evidence n
PiBind : Nat -> Nat -> Type
PiBind d n = (Qty, BindName, Term d n)
private
pbname : PiBind d n -> BindName
pbname (_, x, _) = x
private
record SplitPi d n where
constructor MkSplitPi
binds : Telescope (PiBind d) n inner
cod : Term d inner
private
splitPi : Telescope (PiBind d) n inner -> Term d inner -> SplitPi d n
splitPi binds (Pi qty arg res _) =
splitPi (binds :< (qty, res.name, arg)) $
assert_smaller res $ pushSubsts' res.term
splitPi binds cod = MkSplitPi {binds, cod}
private
prettyPiBind1 : {opts : _} ->
Qty -> BindName -> BContext d -> BContext n -> Term d n ->
Eff Pretty (Doc opts)
prettyPiBind1 pi (BN Unused _) dnames tnames s =
hcat <$> sequence
[prettyQty pi, dotD,
withPrec Arg $ assert_total prettyTerm dnames tnames s]
prettyPiBind1 pi x dnames tnames s = hcat <$> sequence
[prettyQty pi, dotD,
hl Delim $ text "(",
hsep <$> sequence
[prettyTBind x, hl Delim $ text ":",
withPrec Outer $ assert_total prettyTerm dnames tnames s],
hl Delim $ text ")"]
private
prettyPiBinds : {opts : _} ->
BContext d -> BContext n ->
Telescope (PiBind d) n inner ->
Eff Pretty (SnocList (Doc opts))
prettyPiBinds _ _ [<] = pure [<]
prettyPiBinds dnames tnames (binds :< (q, x, t)) =
let tnames' = tnames . map pbname binds in
[|prettyPiBinds dnames tnames binds :<
prettyPiBind1 q x dnames tnames' t|]
parameters (showSubsts : Bool)
mutual
export covering
[TermSubst] PrettyHL (Term d n) using ElimSubst
where
prettyM (TYPE l _) =
pure $ !typeD <+> hl Syntax !(prettyUnivSuffix l)
private
SigBind : Nat -> Nat -> Type
SigBind d n = (BindName, Term d n)
prettyM (Pi qty s (S _ (N t)) _) = do
dom <- pretty0M $ MkWithQty qty s
cod <- withPrec AnnR $ prettyM t
parensIfM AnnR $ asep [dom <++> !arrowD, cod]
private
record SplitSig d n where
constructor MkSplitSig
binds : Telescope (SigBind d) n inner
last : Term d inner
prettyM (Pi qty s (S [< x] (Y t)) _) =
prettyBindType (Just qty) x s !arrowD t
private
splitSig : Telescope (SigBind d) n inner -> Term d inner -> SplitSig d n
splitSig binds (Sig fst snd _) =
splitSig (binds :< (snd.name, fst)) $
assert_smaller snd $ pushSubsts' snd.term
splitSig binds last = MkSplitSig {binds, last}
prettyM (Lam (S x t) _) =
let GotLams {names, body, _} = getLams' x t.term Refl in
prettyLams (Just !lamD) T (toSnocList' names) body
private
prettySigBind1 : {opts : _} ->
BindName -> BContext d -> BContext n -> Term d n ->
Eff Pretty (Doc opts)
prettySigBind1 (BN Unused _) dnames tnames s =
withPrec InTimes $ assert_total prettyTerm dnames tnames s
prettySigBind1 x dnames tnames s = hcat <$> sequence
[hl Delim $ text "(",
hsep <$> sequence
[prettyTBind x, hl Delim $ text ":",
withPrec Outer $ assert_total prettyTerm dnames tnames s],
hl Delim $ text ")"]
prettyM (Sig s (S _ (N t)) _) = do
s <- withPrec InTimes $ prettyM s
t <- withPrec Times $ prettyM t
parensIfM Times $ asep [s <++> !timesD, t]
prettyM (Sig s (S [< x] (Y t)) _) =
prettyBindType Nothing x s !timesD t
prettyM (Pair s t _) =
let GotPairs {init, last, _} = getPairs' [< s] t in
prettyTuple $ toList $ init :< last
prettyM (Enum tags _) =
pure $ delims "{" "}" . aseparate comma $ map prettyTagBare $
Prelude.toList tags
prettyM (Tag t _) =
pure $ prettyTag t
prettyM (Eq (S _ (N ty)) l r _) = do
l <- withPrec InEq $ prettyM l
r <- withPrec InEq $ prettyM r
ty <- withPrec InEq $ prettyM ty
parensIfM Eq $ asep [l <++> !eqndD, r <++> colonD, ty]
prettyM (Eq (S [< i] (Y ty)) l r _) = do
prettyApps Nothing (L eqD)
[epretty $ MkTypeLine i ty, epretty l, epretty r]
prettyM (DLam (S i t) _) =
let GotDLams {names, body, _} = getDLams' i t.term Refl in
prettyLams (Just !dlamD) D (toSnocList' names) body
prettyM (Nat _) = natD
prettyM (Zero _) = pure $ hl Syntax "0"
prettyM (Succ n _) =
case toNatLit n of
Just n => pure $ hl Syntax $ pretty $ S n
Nothing => prettyApps Nothing (L succD) [n]
prettyM (BOX pi ty _) = do
pi <- pretty0M pi
ty <- pretty0M ty
pure $ bracks $ hcat [pi, dotD, align ty]
prettyM (Box val _) = prettyBoxVal val
prettyM (E e) = prettyM e
prettyM (CloT (Sub s th)) =
if showSubsts then
parensIfM SApp . hang 2 =<<
[|withPrec SApp (prettyM s) <%> prettyTSubst th|]
else
prettyM $ pushSubstsWith' id th s
prettyM (DCloT (Sub s th)) =
if showSubsts then
parensIfM SApp . hang 2 =<<
[|withPrec SApp (prettyM s) <%> prettyDSubst th|]
else
prettyM $ pushSubstsWith' th id s
export covering
[ElimSubst] PrettyHL (Elim d n) using TermSubst
where
prettyM (F x _) =
hl' Free <$> prettyM x
prettyM (B i _) =
prettyVar TVar TVarErr (!ask).tnames i
prettyM (App e s _) =
let GotArgs {fun, args, _} = getArgs' e [s] in
prettyApps Nothing fun args
prettyM (CasePair pi p (S [< r] ret) (S [< x, y] body) _) = do
pat <- parens . separate commaD <$> traverse (hlF TVar . prettyM) [x, y]
prettyCase pi p r ret.term [([< x, y], pat, body.term)]
prettyM (CaseEnum pi t (S [< r] ret) arms _) =
prettyCase pi t r ret.term
[([<], prettyTag t, b) | (t, b) <- SortedMap.toList arms]
prettyM (CaseNat pi pi' nat (S [< r] ret) zer (S [< s, ih] suc) _) =
prettyCase pi nat r ret.term
[([<], zeroD, eterm zer),
([< s, ih], !succPat, eterm suc.term)]
where
succPat : m (Doc HL)
succPat = case (ih, pi') of
(BN Unused _, Zero) => pure $ succD <++> !(pretty0M s)
_ => pure $ asep [succD <++> !(pretty0M s) <+> comma,
!(pretty0M $ MkWithQty pi' ih)]
prettyM (CaseBox pi box (S [< r] ret) (S [< u] body) _) =
prettyCase pi box r ret.term
[([< u], !(prettyBoxVal $ TV u.name), body.term)]
prettyM (DApp e d _) =
let GotDArgs {fun, args, _} = getDArgs' e [d] in
prettyApps (Just "@") fun args
prettyM (Ann s a _) = do
s <- withPrec AnnL $ prettyM s
a <- withPrec AnnR $ prettyM a
parensIfM AnnR $ hang 2 $ s <++> !annD <%%> a
prettyM (Coe (S [< i] ty) p q val _) =
let ty = case ty of
Y ty => epretty $ MkTypeLine i ty
N ty => epretty ty
in
prettyApps' (L coeD)
[(Nothing, ty),
(Just "@", epretty p),
(Just "@", epretty q),
(Nothing, epretty val)]
prettyM (Comp ty p q val r (S [< z] zero) (S [< o] one) _) = do
apps <- prettyApps' (L compD)
[(Nothing, epretty $ MkTypeLine (BN Unused noLoc) ty),
(Just "@", epretty p),
(Just "@", epretty q),
(Nothing, epretty val),
(Just "@", epretty r)]
arms <- prettyArms D
[([< z], !(prettyCompPat Zero z), zero.term),
([< o], !(prettyCompPat One o), one.term)]
pure $ apps <++> arms
prettyM (TypeCase ty ret arms def _) = do
arms <- traverse fromArm (toList arms)
prettyCase' typecaseD ty (BN Unused noLoc) ret $
arms ++ [([<], hl Syntax "_", eterm def)]
where
v : BindName -> Doc HL
v = pretty0 True . TV . name
tyCasePat : (k : TyConKind) -> BContext (arity k) -> m (Doc HL)
tyCasePat KTYPE [<] = typeD
tyCasePat KPi [< a, b] = pure $ parens $ hsep [v a, !arrowD, v b]
tyCasePat KSig [< a, b] = pure $ parens $ hsep [v a, !arrowD, v b]
tyCasePat KEnum [<] = pure $ hl Syntax "{}"
tyCasePat KNat [<] = natD
tyCasePat KBOX [< a] = pure $ bracks $ v a
tyCasePat KEq vars =
prettyApps Nothing (L eqD) $ map (TV . name) $ toList' vars
fromArm : TypeCaseArm d n ->
m (SnocList BindName, Doc HL, Exists (Term d))
fromArm (k ** S ns t) =
pure (toSnocList' ns, !(tyCasePat k ns), eterm t.term)
prettyM (CloE (Sub e th)) =
if showSubsts then
parensIfM SApp . hang 2 =<<
[|withPrec SApp (prettyM e) <%> prettyTSubst th|]
else
prettyM $ pushSubstsWith' id th e
prettyM (DCloE (Sub e th)) =
if showSubsts then
parensIfM SApp . hang 2 =<<
[|withPrec SApp (prettyM e) <%> prettyDSubst th|]
else
prettyM $ pushSubstsWith' th id e
export covering
prettyTSubst : Pretty.HasEnv m => TSubst d from to -> m (Doc HL)
prettyTSubst s =
prettySubstM (prettyM @{ElimSubst}) (!ask).tnames TVar "[" "]" s
export covering %inline
PrettyHL (Term d n) where prettyM = prettyM @{TermSubst False}
export covering %inline
PrettyHL (Elim d n) where prettyM = prettyM @{ElimSubst False}
private
prettySigBinds : {opts : _} ->
BContext d -> BContext n ->
Telescope (SigBind d) n inner ->
Eff Pretty (SnocList (Doc opts))
prettySigBinds _ _ [<] = pure [<]
prettySigBinds dnames tnames (binds :< (x, t)) =
let tnames' = tnames . map fst binds in
[|prettySigBinds dnames tnames binds :<
prettySigBind1 x dnames tnames' t|]
export covering
prettyTerm : (unicode : Bool) ->
(dnames : BContext d) -> (tnames : BContext n) ->
Term d n -> Doc HL
prettyTerm unicode dnames tnames term =
pretty0With unicode (toNames dnames) (toNames tnames) term
private
prettyTypeLine : {opts : _} ->
BContext d -> BContext n ->
DScopeTerm d n ->
Eff Pretty (Doc opts)
prettyTypeLine dnames tnames (S _ (N body)) =
bracks =<< withPrec Outer (prettyTerm dnames tnames body)
prettyTypeLine dnames tnames (S [< i] (Y body)) =
bracks =<< do
i' <- prettyDBind i
ty' <- withPrec Outer $ prettyTerm (dnames :< i) tnames body
pure $ sep [hsep [i', !darrowD], ty']
private
data NameSort = T | D
%runElab derive "NameSort" [Eq]
private
NameChunks : Type
NameChunks = SnocList (NameSort, SnocList BindName)
private
record SplitLams d n where
constructor MkSplitLams
dnames : BTelescope d dinner
tnames : BTelescope n ninner
chunks : NameChunks
body : Term dinner ninner
private
splitLams : Term d n -> SplitLams d n
splitLams s = go [<] [<] [<] (pushSubsts' s)
where
push : NameSort -> BindName -> NameChunks -> NameChunks
push s y [<] = [< (s, [< y])]
push s y (xss :< (s', xs)) =
if s == s' then xss :< (s', xs :< y)
else xss :< (s', xs) :< (s, [< y])
go : BTelescope d dinner -> BTelescope n ninner ->
SnocList (NameSort, SnocList BindName) ->
Term dinner ninner -> SplitLams d n
go dnames tnames chunks (Lam b _) =
go dnames (tnames :< b.name) (push T b.name chunks) $
assert_smaller b $ pushSubsts' b.term
go dnames tnames chunks (DLam b _) =
go (dnames :< b.name) tnames (push D b.name chunks) $
assert_smaller b $ pushSubsts' b.term
go dnames tnames chunks s =
MkSplitLams dnames tnames chunks s
private
splitTuple : SnocList (Term d n) -> Term d n -> SnocList (Term d n)
splitTuple ss p@(Pair t1 t2 _) =
splitTuple (ss :< t1) $ assert_smaller p $ pushSubsts' t2
splitTuple ss t = ss :< t
private
prettyTArg : {opts : _} -> BContext d -> BContext n ->
Term d n -> Eff Pretty (Doc opts)
prettyTArg dnames tnames s =
withPrec Arg $ assert_total prettyTerm dnames tnames s
private
prettyDArg : {opts : _} -> BContext d -> Dim d -> Eff Pretty (Doc opts)
prettyDArg dnames p =
map (text "@" <+>) $ withPrec Arg $ prettyDim dnames p
private
splitApps : Elim d n -> (Elim d n, List (Either (Dim d) (Term d n)))
splitApps e = go [] (pushSubsts' e)
where
go : List (Either (Dim d) (Term d n)) -> Elim d n ->
(Elim d n, List (Either (Dim d) (Term d n)))
go xs e@(App f s _) =
go (Right s :: xs) $ assert_smaller e $ pushSubsts' f
go xs e@(DApp f p _) =
go (Left p :: xs) $ assert_smaller e $ pushSubsts' f
go xs s = (s, xs)
export FromString (Elim d n) where fromString s = F (fromString s) noLoc
export FromString (Term d n) where fromString s = FT (fromString s) noLoc
private
prettyDTApps : {opts : _} ->
BContext d -> BContext n ->
Elim d n -> List (Either (Dim d) (Term d n)) ->
Eff Pretty (Doc opts)
prettyDTApps dnames tnames f xs = do
f <- withPrec Arg $ assert_total prettyElim dnames tnames f
xs <- for xs $ either (prettyDArg dnames) (prettyTArg dnames tnames)
parensIfM App =<< prettyAppD f xs
private
record CaseArm opts d n where
constructor MkCaseArm
pat : Doc opts
dbinds : BTelescope d dinner -- 🍴
tbinds : BTelescope n ninner
body : Term dinner ninner
parameters {opts : LayoutOpts} (dnames : BContext d) (tnames : BContext n)
private
prettyCaseArm : CaseArm opts d n -> Eff Pretty (Doc opts)
prettyCaseArm (MkCaseArm pat dbinds tbinds body) = do
body <- withPrec Outer $ assert_total
prettyTerm (dnames . dbinds) (tnames . tbinds) body
header <- (pat <++>) <$> darrowD
pure $ hsep [header, body] <|> vsep [header, !(indentD body)]
private
prettyCaseBody : List (CaseArm opts d n) -> Eff Pretty (Doc opts)
prettyCaseBody xs =
braces . separateTight !semiD =<< traverse prettyCaseArm xs
private
prettyCompPat : {opts : _} -> DimConst -> BindName -> Eff Pretty (Doc opts)
prettyCompPat e x = [|prettyDimConst e <++> prettyDBind x|]
export
prettyTag : {opts : _} -> String -> Eff Pretty (Doc opts)
prettyTag tag = hl Tag $ text $ "'" ++ quoteTag tag
export
prettyEnum : {opts : _} -> List String -> Eff Pretty (Doc opts)
prettyEnum cases =
tightDelims "{" "}" =<<
fillSeparateTight !commaD <$>
traverse (hl Tag . text . quoteTag) cases
private
prettyCaseRet : {opts : _} ->
BContext d -> BContext n ->
ScopeTerm d n -> Eff Pretty (Doc opts)
prettyCaseRet dnames tnames body = withPrec Outer $ case body of
S _ (N tm) => assert_total prettyTerm dnames tnames tm
S [< x] (Y tm) => do
header <- [|prettyTBind x <++> darrowD|]
body <- assert_total prettyTerm dnames (tnames :< x) tm
pure $ hsep [header, body] <|> vsep [header, !(indentD body)]
private
prettyCase_ : {opts : _} ->
BContext d -> BContext n ->
Doc opts -> Elim d n -> ScopeTerm d n -> List (CaseArm opts d n) ->
Eff Pretty (Doc opts)
prettyCase_ dnames tnames intro head ret body = do
head <- assert_total prettyElim dnames tnames head
ret <- prettyCaseRet dnames tnames ret
body <- prettyCaseBody dnames tnames body
parensIfM Outer $ sep [intro <++> head, !returnD <++> ret, !ofD <++> body]
private
prettyCase : {opts : _} ->
BContext d -> BContext n ->
Qty -> Elim d n -> ScopeTerm d n -> List (CaseArm opts d n) ->
Eff Pretty (Doc opts)
prettyCase dnames tnames qty head ret body =
prettyCase_ dnames tnames ![|caseD <+> prettyQty qty|] head ret body
-- [fixme] use telescopes in Scoped
private
toTel : BContext s -> BTelescope n (s + n)
toTel [<] = [<]
toTel (ctx :< x) = toTel ctx :< x
private
prettyTyCasePat : {opts : _} ->
(k : TyConKind) -> BContext (arity k) ->
Eff Pretty (Doc opts)
prettyTyCasePat KTYPE [<] = typeD
prettyTyCasePat KPi [< a, b] =
parens . hsep =<< sequence [prettyTBind a, arrowD, prettyTBind b]
prettyTyCasePat KSig [< a, b] =
parens . hsep =<< sequence [prettyTBind a, timesD, prettyTBind b]
prettyTyCasePat KEnum [<] = hl Syntax $ text "{}"
prettyTyCasePat KEq [< a0, a1, a, l, r] =
hsep <$> sequence (eqD :: map prettyTBind [a0, a1, a, l, r])
prettyTyCasePat KNat [<] = natD
prettyTyCasePat KBOX [< a] = bracks =<< prettyTBind a
prettyLambda : {opts : _} -> BContext d -> BContext n ->
Term d n -> Eff Pretty (Doc opts)
prettyLambda dnames tnames s =
parensIfM Outer =<< do
let MkSplitLams {dnames = ds, tnames = ts, chunks, body} = splitLams s
hangDSingle !(header chunks)
!(assert_total prettyTerm (dnames . ds) (tnames . ts) body)
where
introChar : NameSort -> Eff Pretty (Doc opts)
introChar T = lamD
introChar D = dlamD
prettyBind : NameSort -> BindName -> Eff Pretty (Doc opts)
prettyBind T = prettyTBind
prettyBind D = prettyDBind
header1 : NameSort -> List BindName -> Eff Pretty (Doc opts)
header1 s xs = hsep <$> sequence
[introChar s, sep <$> traverse (prettyBind s) xs, darrowD]
header : NameChunks -> Eff Pretty (Doc opts)
header cs = sep <$> traverse (\(s, xs) => header1 s (toList xs)) (toList cs)
prettyTerm dnames tnames (TYPE l _) =
hl Syntax =<<
case !(askAt FLAVOR) of
Unicode => pure $ text $ "★" ++ subscript (show l)
Ascii => prettyAppD (text "Type") [text $ show l]
prettyTerm dnames tnames (Pi qty arg res _) =
parensIfM Outer =<< do
let MkSplitPi {binds, cod} = splitPi [< (qty, res.name, arg)] res.term
arr <- arrowD
lines <- map (<++> arr) <$> prettyPiBinds dnames tnames binds
let tnames = tnames . map pbname binds
cod <- withPrec Outer $ prettyTerm dnames tnames (assert_smaller res cod)
pure $ sepSingle $ toList $ lines :< cod
prettyTerm dnames tnames s@(Lam {}) =
prettyLambda dnames tnames s
prettyTerm dnames tnames (Sig fst snd _) =
parensIfM Times =<< do
let MkSplitSig {binds, last} = splitSig [< (snd.name, fst)] snd.term
times <- timesD
lines <- map (<++> times) <$> prettySigBinds dnames tnames binds
let tnames = tnames . map Builtin.fst binds
last <- withPrec InTimes $
prettyTerm dnames tnames (assert_smaller snd last)
pure $ sepSingle $ toList $ lines :< last
prettyTerm dnames tnames p@(Pair fst snd _) =
parens =<< do
let elems = splitTuple [< fst] snd
lines <- for elems $ \t =>
withPrec Outer $ prettyTerm dnames tnames $ assert_smaller p t
pure $ separateTight !commaD lines
prettyTerm dnames tnames (Enum cases _) =
prettyEnum $ SortedSet.toList cases
prettyTerm dnames tnames (Tag tag _) =
prettyTag tag
prettyTerm dnames tnames (Eq (S _ (N ty)) l r _) = do
l <- withPrec InEq $ prettyTerm dnames tnames l
r <- withPrec InEq $ prettyTerm dnames tnames r
ty <- withPrec InEq $ prettyTerm dnames tnames ty
pure $ sep [l <++> !eqndD, r <++> !colonD, ty]
prettyTerm dnames tnames (Eq ty l r _) = do
ty <- prettyTypeLine dnames tnames ty
l <- withPrec Arg $ prettyTerm dnames tnames l
r <- withPrec Arg $ prettyTerm dnames tnames r
prettyAppD !eqD [ty, l, r]
prettyTerm dnames tnames s@(DLam {}) =
prettyLambda dnames tnames s
prettyTerm dnames tnames (Nat _) = natD
prettyTerm dnames tnames (Zero _) = hl Syntax "0"
prettyTerm dnames tnames (Succ p _) = do
succD <- succD
let succ : Doc opts -> Eff Pretty (Doc opts)
succ t = prettyAppD succD [t]
toNat : Term d n -> Eff Pretty (Either (Doc opts) Nat)
toNat s with (pushSubsts' s)
_ | Zero _ = pure $ Right 0
_ | Succ d _ = bitraverse succ (pure . S) =<<
toNat (assert_smaller s d)
_ | s' = map Left . withPrec Arg $
prettyTerm dnames tnames $ assert_smaller s s'
either succ (hl Syntax . text . show . S) =<< toNat p
prettyTerm dnames tnames (BOX qty ty _) =
bracks . hcat =<<
sequence [prettyQty qty, dotD,
withPrec Outer $ prettyTerm dnames tnames ty]
prettyTerm dnames tnames (Box val _) =
bracks =<< withPrec Outer (prettyTerm dnames tnames val)
prettyTerm dnames tnames (E e) = prettyElim dnames tnames e
prettyTerm dnames tnames t0@(CloT (Sub t ph)) =
prettyTerm dnames tnames $ assert_smaller t0 $ pushSubstsWith' id ph t
prettyTerm dnames tnames t0@(DCloT (Sub t ph)) =
prettyTerm dnames tnames $ assert_smaller t0 $ pushSubstsWith' ph id t
prettyElim dnames tnames (F x _) =
prettyFree x
prettyElim dnames tnames (B i _) =
prettyTBind $ tnames !!! i
prettyElim dnames tnames e@(App {}) =
let (f, xs) = splitApps e in
prettyDTApps dnames tnames f xs
prettyElim dnames tnames (CasePair qty pair ret body _) = do
let [< x, y] = body.names
pat <- parens . hsep =<< sequence
[[|prettyTBind x <+> commaD|], prettyTBind y]
prettyCase dnames tnames qty pair ret
[MkCaseArm pat [<] [< x, y] body.term]
prettyElim dnames tnames (CaseEnum qty tag ret arms _) = do
arms <- for (SortedMap.toList arms) $ \(tag, body) =>
pure $ MkCaseArm !(prettyTag tag) [<] [<] body
prettyCase dnames tnames qty tag ret arms
prettyElim dnames tnames (CaseNat qty qtyIH nat ret zero succ _) = do
let zarm = MkCaseArm !zeroD [<] [<] zero
[< p, ih] = succ.names
spat0 <- [|succD <++> prettyTBind p|]
ihpat0 <- map hcat $ sequence [prettyQty qtyIH, dotD, prettyTBind ih]
spat <- if ih.name == Unused
then pure spat0
else pure $ hsep [spat0 <+> !commaD, ihpat0]
let sarm = MkCaseArm spat [<] [< p, ih] succ.term
prettyCase dnames tnames qty nat ret [zarm, sarm]
prettyElim dnames tnames (CaseBox qty box ret body _) = do
pat <- bracks =<< prettyTBind body.name
let arm = MkCaseArm pat [<] [< body.name] body.term
prettyCase dnames tnames qty box ret [arm]
prettyElim dnames tnames e@(DApp {}) =
let (f, xs) = splitApps e in
prettyDTApps dnames tnames f xs
prettyElim dnames tnames (Ann tm ty _) =
parensIfM Outer =<<
hangDSingle !(withPrec AnnL [|prettyTerm dnames tnames tm <++> annD|])
!(withPrec Outer (prettyTerm dnames tnames ty))
prettyElim dnames tnames (Coe ty p q val _) =
parensIfM App =<< do
ty <- prettyTypeLine dnames tnames ty
p <- prettyDArg dnames p
q <- prettyDArg dnames q
val <- prettyTArg dnames tnames val
prettyAppD !coeD [ty, sep [p, q], val]
prettyElim dnames tnames e@(Comp ty p q val r zero one _) =
parensIfM App =<< do
ty <- prettyTypeLine dnames tnames $ assert_smaller e $ SN ty
p <- prettyDArg dnames p
q <- prettyDArg dnames q
val <- prettyTArg dnames tnames val
r <- prettyDArg dnames r
comp <- compD; lb <- hl Delim "{"; rb <- hl Delim "}"; sc <- semiD
arm0 <- map (<+> sc) $ prettyCaseArm dnames tnames $
MkCaseArm !(prettyCompPat Zero zero.name) [< zero.name] [<] zero.term
arm1 <- prettyCaseArm dnames tnames $
MkCaseArm !(prettyCompPat One one.name) [< one.name] [<] one.term
ind <- askAt INDENT
pure $ ifMultiline
(hsep [comp, ty, p, q, val, r, lb, arm0, arm1, rb])
(comp <++> vsep [sep [ty, sep [p, q]], val, r <++> lb,
indent ind $ vsep [arm0, arm1], rb] <|>
vsep (comp :: map (indent ind)
[ty, sep [p, q], val, r <++> lb,
indent ind $ vsep [arm0, arm1], rb]))
prettyElim dnames tnames (TypeCase ty ret arms def _) = do
arms <- for (toList arms) $ \(k ** body) => do
pat <- prettyTyCasePat k body.names
pure $ MkCaseArm pat [<] (toTel body.names) body.term
let darm = MkCaseArm !undD [<] [<] def
prettyCase_ dnames tnames !typecaseD ty (SN ret) $ arms ++ [darm]
prettyElim dnames tnames e0@(CloE (Sub e ph)) =
prettyElim dnames tnames $ assert_smaller e0 $ pushSubstsWith' id ph e
prettyElim dnames tnames e0@(DCloE (Sub e ph)) =
prettyElim dnames tnames $ assert_smaller e0 $ pushSubstsWith' ph id e

251
lib/Quox/Syntax/Term/Split.idr
View file

@ -1,251 +0,0 @@
module Quox.Syntax.Term.Split
import Quox.Syntax.Term.Base
import Quox.Syntax.Term.Subst
import Quox.Syntax.Term.Tighten
import Quox.Context
import public Quox.No
import public Data.Vect
%default total
public export %inline
isLam : Term {} -> Bool
isLam (Lam {}) = True
isLam _ = False
public export
0 NotLam : Pred $ Term {}
NotLam = No . isLam
public export %inline
isDLam : Term {} -> Bool
isDLam (DLam {}) = True
isDLam _ = False
public export
0 NotDLam : Pred $ Term {}
NotDLam = No . isDLam
public export %inline
isPair : Term {} -> Bool
isPair (Pair {}) = True
isPair _ = False
public export
0 NotPair : Pred $ Term {}
NotPair = No . isPair
public export %inline
isApp : Elim {} -> Bool
isApp (App {}) = True
isApp _ = False
public export
0 NotApp : Pred $ Elim {}
NotApp = No . isApp
public export %inline
isDApp : Elim {} -> Bool
isDApp (DApp {}) = True
isDApp _ = False
public export
0 NotDApp : Pred $ Elim {}
NotDApp = No . isDApp
-- infixl 9 :@@
-- ||| apply multiple arguments at once
-- public export %inline
-- (:@@) : Elim d n -> List (Term d n) -> Elim d n
-- f :@@ ss = foldl app f ss where
-- app : Elim d n -> Term d n -> Elim d n
-- app f s = App f s (f.loc `extend'` s.loc.bounds)
public export
record GetArgs d n where
constructor GotArgs
fun : Elim d n
args : List (Term d n)
0 notApp : NotApp fun
mutual
export %inline
getArgs' : Elim d n -> List (Term d n) -> GetArgs d n
getArgs' fun0 args =
let Element fun nc = pushSubsts fun0 in
getArgsNc (assert_smaller fun0 fun) args
private
getArgsNc : (e : Elim d n) -> (0 nc : NotClo e) =>
List (Term d n) -> GetArgs d n
getArgsNc fun args = case nchoose $ isApp fun of
Left y => let App f a _ = fun in getArgs' f (a :: args)
Right n => GotArgs {fun, args, notApp = n}
||| splits an application into its head and arguments. if it's not an
||| application then the list is just empty.
||| looks through substitutions for applications.
export %inline
getArgs : Elim d n -> GetArgs d n
getArgs e = getArgs' e []
-- infixl 9 :%%
-- ||| apply multiple dimension arguments at once
-- public export %inline
-- (:%%) : Elim d n -> List (Dim d) -> Elim d n
-- f :%% ss = foldl dapp f ss where
-- dapp : Elim d n -> Dim d -> Elim d n
-- dapp f p = DApp f p (f.loc `extend'` p.loc.bounds)
public export
record GetDArgs d n where
constructor GotDArgs
fun : Elim d n
args : List (Dim d)
0 notDApp : NotDApp fun
mutual
export %inline
getDArgs' : Elim d n -> List (Dim d) -> GetDArgs d n
getDArgs' fun0 args =
let Element fun nc = pushSubsts fun0 in
getDArgsNc (assert_smaller fun0 fun) args
private
getDArgsNc : (e : Elim d n) -> (0 nc : NotClo e) =>
List (Dim d) -> GetDArgs d n
getDArgsNc fun args = case nchoose $ isDApp fun of
Left y => let DApp f d _ = fun in getDArgs' f (d :: args)
Right n => GotDArgs {fun, args, notDApp = n}
||| splits a dimension application into its head and arguments. if it's not an
||| d application then the list is just empty
export %inline
getDArgs : Elim d n -> GetDArgs d n
getDArgs e = getDArgs' e []
-- infixr 1 :\\
-- public export
-- absN : BContext m -> Term d (m + n) -> Term d n
-- absN [<] s = s
-- absN (xs :< x) s = absN xs $ Lam (ST [< x] s) ?absloc
-- public export %inline
-- (:\\) : BContext m -> Term d (m + n) -> Term d n
-- (:\\) = absN
-- infixr 1 :\\%
-- public export
-- dabsN : BContext m -> Term (m + d) n -> Term d n
-- dabsN [<] s = s
-- dabsN (xs :< x) s = dabsN xs $ DLam (DST [< x] s) ?dabsLoc
-- public export %inline
-- (:\\%) : BContext m -> Term (m + d) n -> Term d n
-- (:\\%) = dabsN
public export
record GetLams d n where
constructor GotLams
{0 lams, rest : Nat}
names : BContext lams
body : Term d rest
0 eq : lams + n = rest
0 notLam : NotLam body
mutual
export %inline
getLams' : forall lams, rest.
BContext lams -> Term d rest -> (0 eq : lams + n = rest) ->
GetLams d n
getLams' xs s0 eq =
let Element s nc = pushSubsts s0 in
getLamsNc xs (assert_smaller s0 s) eq
private
getLamsNc : forall lams, rest.
BContext lams ->
(t : Term d rest) -> (0 nc : NotClo t) =>
(0 eq : lams + n = rest) ->
GetLams d n
getLamsNc xs s Refl = case nchoose $ isLam s of
Left y => let Lam (S [< x] body) _ = s in
getLams' (xs :< x) (assert_smaller s body.term) Refl
Right n => GotLams xs s Refl n
export %inline
getLams : Term d n -> GetLams d n
getLams s = getLams' [<] s Refl
public export
record GetDLams d n where
constructor GotDLams
{0 lams, rest : Nat}
names : BContext lams
body : Term rest n
0 eq : lams + d = rest
0 notDLam : NotDLam body
mutual
export %inline
getDLams' : forall lams, rest.
BContext lams -> Term rest n -> (0 eq : lams + d = rest) ->
GetDLams d n
getDLams' xs s0 eq =
let Element s nc = pushSubsts s0 in
getDLamsNc xs (assert_smaller s0 s) eq
private
getDLamsNc : forall lams, rest.
BContext lams ->
(t : Term rest n) -> (0 nc : NotClo t) =>
(0 eq : lams + d = rest) ->
GetDLams d n
getDLamsNc is s Refl = case nchoose $ isDLam s of
Left y => let DLam (S [< i] body) _ = s in
getDLams' (is :< i) (assert_smaller s body.term) Refl
Right n => GotDLams is s Refl n
export %inline
getDLams : Term d n -> GetDLams d n
getDLams s = getDLams' [<] s Refl
public export
record GetPairs d n where
constructor GotPairs
init : SnocList $ Term d n
last : Term d n
notPair : NotPair last
mutual
export %inline
getPairs' : SnocList (Term d n) -> Term d n -> GetPairs d n
getPairs' ss t0 =
let Element t nc = pushSubsts t0 in getPairsNc ss (assert_smaller t0 t)
private
getPairsNc : SnocList (Term d n) ->
(t : Term d n) -> (0 nc : NotClo t) =>
GetPairs d n
getPairsNc ss t = case nchoose $ isPair t of
Left y => let Pair s t _ = t in
getPairs' (ss :< s) t
Right n => GotPairs ss t n
export
getPairs : Term d n -> GetPairs d n
getPairs = getPairs' [<]

4
lib/Quox/Syntax/Term/Subst.idr
View file

@ -234,6 +234,10 @@ parameters {0 isClo : CloTest tm} {auto _ : PushSubsts tm isClo}
tm dfrom from -> tm dto to
pushSubstsWith' th ph x = fst $ pushSubstsWith th ph x
export %inline
pushSubsts' : tm d n -> tm d n
pushSubsts' s = fst $ pushSubsts s
mutual
public export
isCloT : CloTest Term

27
lib/Quox/Syntax/Var.idr
View file

@ -2,7 +2,6 @@ module Quox.Syntax.Var
import public Quox.Loc
import public Quox.Name
import Quox.Pretty
import Quox.OPE
import Data.Nat
@ -66,32 +65,6 @@ lookupS _ [<] = Nothing
lookupS Z (sx :< x) = Just x
lookupS (S i) (sx :< x) = lookupS i sx
parameters {auto _ : Pretty.HasEnv m}
private
prettyIndex : Nat -> m (Doc a)
prettyIndex i =
ifUnicode (pretty $ pack $ map sup $ unpack $ show i) ("#" <+> pretty i)
where
sup : Char -> Char
sup c = case c of
'0' => '⁰'; '1' => '¹'; '2' => '²'; '3' => '³'; '4' => '⁴'
'5' => '⁵'; '6' => '⁶'; '7' => '⁷'; '8' => '⁸'; '9' => '⁹'; _ => c
||| `prettyVar hlok hlerr names i` pretty prints the de Bruijn index `i`.
|||
||| If it is within the bounds of `names`, then it uses the name at that index,
||| highlighted as `hlok`. Otherwise it is just printed as a number highlighted
||| as `hlerr`.
export
prettyVar' : HL -> HL -> SnocList BaseName -> Nat -> m (Doc HL)
prettyVar' hlok hlerr names i =
case lookupS i names of
Just x => hlF' hlok $ prettyM x
Nothing => pure $ hl hlerr $ "#" <+> pretty i
export
prettyVar : HL -> HL -> SnocList BaseName -> Var n -> m (Doc HL)
prettyVar hlok hlerr names i = prettyVar' hlok hlerr names i.nat
public export
fromNatWith : (i : Nat) -> (0 p : i `LT` n) -> Var n

65
lib/Quox/Typing/Context.idr
View file

@ -228,41 +228,38 @@ namespace WhnfContext
private
data CtxBinder a = MkCtxBinder BindName a
prettyTContextElt : {opts : _} ->
BContext d -> BContext n ->
Qty -> BindName -> Term d n -> Eff Pretty (Doc opts)
prettyTContextElt dnames tnames q x s =
pure $ hsep [hcat [!(prettyQty q), !dotD, !(prettyTBind x)], !colonD,
!(withPrec Outer $ prettyTerm dnames tnames s)]
PrettyHL a => PrettyHL (CtxBinder a) where
prettyM (MkCtxBinder x t) = pure $
sep [hsep [!(pretty0M $ TV x.name), colonD], !(pretty0M t)]
private
prettyTContext' : {opts : _} ->
BContext d -> QContext n -> BContext n ->
TContext d n -> Eff Pretty (SnocList (Doc opts))
prettyTContext' _ [<] [<] [<] = pure [<]
prettyTContext' dnames (qtys :< q) (tnames :< x) (tys :< t) =
[|prettyTContext' dnames qtys tnames tys :<
prettyTContextElt dnames tnames q x t|]
parameters (unicode : Bool)
private
pipeD : Doc HL
pipeD = hl Syntax "|"
export
prettyTContext : {opts : _} ->
BContext d -> QContext n -> BContext n ->
TContext d n -> Eff Pretty (Doc opts)
prettyTContext dnames qtys tnames tys =
separateTight !commaD <$> prettyTContext' dnames qtys tnames tys
export covering
prettyTContext : BContext d ->
QContext n -> BContext n ->
TContext d n -> Doc HL
prettyTContext ds qs xs ctx = separate comma $ toList $ go qs xs ctx where
go : QContext m -> BContext m -> TContext d m -> SnocList (Doc HL)
go [<] [<] [<] = [<]
go (qs :< q) (xs :< x) (ctx :< t) =
let bind = MkWithQty q $ MkCtxBinder x t in
go qs xs ctx :<
runPrettyWith unicode (toNames ds) (toNames xs) (pretty0M bind)
export
prettyTyContext : {opts : _} -> TyContext d n -> Eff Pretty (Doc opts)
prettyTyContext (MkTyContext dctx dnames tctx tnames qtys) =
case dctx of
C [<] => prettyTContext dnames qtys tnames tctx
_ => pure $
sep [!(prettyDimEq dnames dctx) <++> !pipeD,
!(prettyTContext dnames qtys tnames tctx)]
export covering
prettyTyContext : TyContext d n -> Doc HL
prettyTyContext (MkTyContext dctx dnames tctx tnames qtys) =
case dctx of
C [<] => prettyTContext dnames qtys tnames tctx
_ => sep [prettyDimEq dnames dctx <++> pipeD,
prettyTContext dnames qtys tnames tctx]
export covering
prettyEqContext : EqContext n -> Doc HL
prettyEqContext (MkEqContext dassign dnames tctx tnames qtys) =
case dassign of
[<] => prettyTContext [<] qtys tnames tctx
_ => sep [prettyDimEq dnames (fromGround dassign) <++> pipeD,
prettyTContext [<] qtys tnames tctx]
export
prettyEqContext : {opts : _} -> EqContext n -> Eff Pretty (Doc opts)
prettyEqContext ctx = prettyTyContext $ toTyContext ctx

355
lib/Quox/Typing/Error.idr
View file

@ -140,43 +140,21 @@ Located Error where
(WhileComparingE _ _ _ _ err).loc = err.loc
||| whether the error is surrounded in some context
||| (e.g. "while checking s : A, …")
public export
isErrorContext : Error -> Bool
isErrorContext (WhileChecking {}) = True
isErrorContext (WhileCheckingTy {}) = True
isErrorContext (WhileInferring {}) = True
isErrorContext (WhileComparingT {}) = True
isErrorContext (WhileComparingE {}) = True
isErrorContext _ = False
||| remove one layer of context
export
peelContext : (e : Error) -> (0 _ : So (isErrorContext e)) =>
(Error -> Error, Error)
peelContext (WhileChecking ctx x s t err) =
(WhileChecking ctx x s t, err)
peelContext (WhileCheckingTy ctx s k err) =
(WhileCheckingTy ctx s k, err)
peelContext (WhileInferring ctx x e err) =
(WhileInferring ctx x e, err)
peelContext (WhileComparingT ctx x s t r err) =
(WhileComparingT ctx x s t r, err)
peelContext (WhileComparingE ctx x e f err) =
(WhileComparingE ctx x e f, err)
||| separates out all the error context layers
||| (e.g. "while checking s : A, …")
export
explodeContext : Error -> (List (Error -> Error), Error)
explodeContext err =
case choose $ isErrorContext err of
Left y =>
let (f, inner) = peelContext err
(fs, root) = explodeContext $ assert_smaller err inner in
(f :: fs, root)
Right n => ([], err)
explodeContext (WhileChecking ctx x s t err) =
mapFst (WhileChecking ctx x s t ::) $ explodeContext err
explodeContext (WhileCheckingTy ctx s k err) =
mapFst (WhileCheckingTy ctx s k ::) $ explodeContext err
explodeContext (WhileInferring ctx x e err) =
mapFst (WhileInferring ctx x e ::) $ explodeContext err
explodeContext (WhileComparingT ctx x s t r err) =
mapFst (WhileComparingT ctx x s t r ::) $ explodeContext err
explodeContext (WhileComparingE ctx x e f err) =
mapFst (WhileComparingE ctx x e f ::) $ explodeContext err
explodeContext err = ([], err)
||| leaves the outermost context layer, and the innermost (up to) n, and removes
||| the rest if there are more than n+1 in total
@ -211,192 +189,211 @@ parameters {auto _ : Has ErrorEff fs} (loc : Loc)
private
prettyMode : EqMode -> Doc HL
prettyMode : EqMode -> String
prettyMode Equal = "equal to"
prettyMode Sub = "a subtype of"
prettyMode Super = "a supertype of"
private
prettyModeU : EqMode -> Doc HL
prettyModeU : EqMode -> String
prettyModeU Equal = "equal to"
prettyModeU Sub = "less than or equal to"
prettyModeU Super = "greater than or equal to"
private
isTypeInUniverse : Maybe Universe -> Doc HL
isTypeInUniverse : Maybe Universe -> String
isTypeInUniverse Nothing = "is a type"
isTypeInUniverse (Just k) = "is a type in universe" <++> prettyUniverse k
isTypeInUniverse (Just k) = "is a type in universe \{show k}"
parameters (unicode : Bool)
private
termn : NameContexts d n -> Term d n -> Doc HL
termn ctx = hang 4 . prettyTerm unicode ctx.dnames ctx.tnames
private
dstermn : {s : Nat} -> NameContexts d n -> DScopeTermN s d n -> Doc HL
dstermn ctx (S i t) = termn (extendDimN i ctx) t.term
private
filterSameQtys : BContext n -> List (QOutput n, z) ->
Exists $ \n' => (BContext n', List (QOutput n', z))
filterSameQtys [<] qts = Evidence 0 ([<], qts)
filterSameQtys (ns :< n) qts =
let (qs, qts) = unzip $ map (\(qs :< q, t) => (q, qs, t)) qts
Evidence l (ns, qts) = filterSameQtys ns qts
in
if allSame qs
then Evidence l (ns, qts)
else Evidence (S l) (ns :< n, zipWith (\(qs, t), q => (qs :< q, t)) qts qs)
where
allSame : List Qty -> Bool
allSame [] = True
allSame (q :: qs) = all (== q) qs
private
filterSameQtys : BContext n -> List (QOutput n, z) ->
Exists $ \n' => (BContext n', List (QOutput n', z))
filterSameQtys [<] qts = Evidence 0 ([<], qts)
filterSameQtys (ns :< n) qts =
let (qs, qts) = unzip $ map (\(qs :< q, t) => (q, qs, t)) qts
Evidence l (ns, qts) = filterSameQtys ns qts
in
if allSame qs
then Evidence l (ns, qts)
else Evidence (S l) (ns :< n, zipWith (\(qs, t), q => (qs :< q, t)) qts qs)
where
allSame : List Qty -> Bool
allSame [] = True
allSame (q :: qs) = all (== q) qs
private
printCaseQtys : TyContext d n ->
BContext n' -> List (QOutput n', Term d n) ->
List (Doc HL)
printCaseQtys ctx ns qts =
let Evidence l (ns, qts) = filterSameQtys ns qts in
map (line ns) qts
where
commaList : PrettyHL a => Context' a l -> Doc HL
commaList = hseparate comma . map (pretty0 unicode) . toList'
private
printCaseQtys : {opts : _} -> TyContext d n ->
BContext n' -> List (QOutput n', Term d n) ->
Eff Pretty (List (Doc opts))
printCaseQtys ctx ns qts =
let Evidence _ (ns, qts) = filterSameQtys ns qts in
traverse (line ns) qts
where
line : BContext l -> (QOutput l, Term d n) -> Eff Pretty (Doc opts)
line ns (qs, t) = map (("-" <++>) . sep) $ sequence
[hangDSingle "the term"
!(prettyTerm ctx.dnames ctx.tnames t),
hangDSingle "uses variables" $
separateTight !commaD $ toSnocList' !(traverse prettyTBind ns),
hangDSingle "with quantities" $
separateTight !commaD $ toSnocList' !(traverse prettyQty qs)]
line : BContext l -> (QOutput l, Term d n) -> Doc HL
line ns (qs, t) =
"-" <++> asep ["the term", termn ctx.names t,
"uses variables", commaList $ (TV . name) <$> ns,
"with quantities", commaList qs]
export
prettyErrorNoLoc : {opts : _} -> (showContext : Bool) -> Error ->
Eff Pretty (Doc opts)
prettyErrorNoLoc showContext = \case
ExpectedTYPE _ ctx s =>
hangDSingle "expected a type universe, but got"
!(prettyTerm ctx.dnames ctx.tnames s)
export
prettyErrorNoLoc : (showContext : Bool) -> Error -> Doc HL
prettyErrorNoLoc showContext = \case
ExpectedTYPE _ ctx s =>
sep ["expected a type universe, but got", termn ctx s]
ExpectedPi _ ctx s =>
hangDSingle "expected a function type, but got"
!(prettyTerm ctx.dnames ctx.tnames s)
ExpectedPi loc ctx s =>
sep ["expected a function type, but got", termn ctx s]
ExpectedSig _ ctx s =>
hangDSingle "expected a pair type, but got"
!(prettyTerm ctx.dnames ctx.tnames s)
ExpectedSig loc ctx s =>
sep ["expected a pair type, but got", termn ctx s]
ExpectedEnum _ ctx s =>
hangDSingle "expected an enumeration type, but got"
!(prettyTerm ctx.dnames ctx.tnames s)
ExpectedEnum loc ctx s =>
sep ["expected an enumeration type, but got", termn ctx s]
ExpectedEq _ ctx s =>
hangDSingle "expected an enumeration type, but got"
!(prettyTerm ctx.dnames ctx.tnames s)
ExpectedEq loc ctx s =>
sep ["expected an equality type, but got", termn ctx s]
ExpectedNat _ ctx s =>
hangDSingle
("expected the type" <++>
!(prettyTerm [<] [<] $ Nat noLoc) <+> ", but got")
!(prettyTerm ctx.dnames ctx.tnames s)
ExpectedNat loc ctx s {d, n} =>
sep ["expected the type",
pretty0 unicode $ Nat noLoc {d, n}, "but got", termn ctx s]
ExpectedBOX _ ctx s =>
hangDSingle "expected a box type, but got"
!(prettyTerm ctx.dnames ctx.tnames s)
ExpectedBOX loc ctx s =>
sep ["expected a box type, but got", termn ctx s]
BadUniverse _ k l => pure $
sep ["the universe level" <++> !(prettyUniverse k),
"is not strictly less than" <++> !(prettyUniverse l)]
BadUniverse loc k l =>
sep ["the universe level", prettyUniverse k,
"is not strictly less than", prettyUniverse l]
TagNotIn _ tag set =>
hangDSingle (hsep ["the tag", !(prettyTag tag), "is not contained in"])
!(prettyTerm [<] [<] $ Enum set noLoc)
TagNotIn loc tag set =>
sep [hsep ["tag", prettyTag tag, "is not contained in"],
termn empty (Enum set noLoc)]
BadCaseEnum _ head body => sep <$> sequence
[hangDSingle "case expression has head of type"
!(prettyTerm [<] [<] $ Enum head noLoc),
hangDSingle "but cases for"
!(prettyTerm [<] [<] $ Enum body noLoc)]
BadCaseEnum loc type arms =>
sep ["case expression has head of type",
termn empty (Enum type noLoc),
"but cases for", termn empty (Enum arms noLoc)]
BadQtys _ what ctx arms =>
hangDSingle (text "inconsistent variable usage in \{what}") $
sep !(printCaseQtys ctx ctx.tnames arms)
BadQtys loc what ctx arms =>
hang 4 $ sep $
hsep ["inconsistent variable usage in", fromString what]
:: printCaseQtys ctx ctx.tnames arms
ClashT _ ctx mode ty s t =>
inEContext ctx . sep =<< sequence
[hangDSingle "the term" !(prettyTerm [<] ctx.tnames s),
hangDSingle (text "is not \{prettyMode mode}")
!(prettyTerm [<] ctx.tnames t),
hangDSingle "at type" !(prettyTerm [<] ctx.tnames ty)]
ClashT loc ctx mode ty s t =>
inEContext ctx $
sep ["the term", termn ctx.names0 s,
hsep ["is not", prettyMode mode], termn ctx.names0 t,
"at type", termn ctx.names0 ty]
ClashTy _ ctx mode a b =>
inEContext ctx . sep =<< sequence
[hangDSingle "the type" !(prettyTerm [<] ctx.tnames a),
hangDSingle (text "is not \{prettyMode mode}")
!(prettyTerm [<] ctx.tnames b)]
ClashTy loc ctx mode a b =>
inEContext ctx $
sep ["the type", termn ctx.names0 a,
hsep ["is not", prettyMode mode], termn ctx.names0 b]
ClashE _ ctx mode e f =>
inEContext ctx . sep =<< sequence
[hangDSingle "the term" !(prettyElim [<] ctx.tnames e),
hangDSingle (text "is not \{prettyMode mode}")
!(prettyElim [<] ctx.tnames f)]
ClashE loc ctx mode e f =>
inEContext ctx $
sep ["the term", termn ctx.names0 $ E e,
hsep ["is not", prettyMode mode], termn ctx.names0 $ E f]
ClashU _ mode k l => pure $
sep ["the universe level" <++> !(prettyUniverse k),
text "is not \{prettyModeU mode}" <++> !(prettyUniverse l)]
ClashU loc mode k l =>
sep ["the universe level", prettyUniverse k,
hsep ["is not", prettyMode mode], prettyUniverse l]
ClashQ _ pi rh => pure $
sep ["the quantity" <++> !(prettyQty pi),
"is not equal to" <++> !(prettyQty rh)]
ClashQ loc pi rh =>
sep ["the quantity", pretty0 unicode pi,
"is not equal to", pretty0 unicode rh]
NotInScope _ x => pure $
hsep [!(prettyFree x), "is not in scope"]
NotInScope loc x =>
hsep [hl' Free $ pretty0 unicode x, "is not in scope"]
NotType _ ctx s =>
inTContext ctx . sep =<< sequence
[hangDSingle "the term" !(prettyTerm ctx.dnames ctx.tnames s),
pure "is not a type"]
NotType loc ctx s =>
inTContext ctx $
sep ["the term", termn ctx.names s, "is not a type"]
WrongType _ ctx ty s =>
inEContext ctx . sep =<< sequence
[hangDSingle "the term" !(prettyTerm [<] ctx.tnames s),
hangDSingle "cannot have type" !(prettyTerm [<] ctx.tnames ty)]
WrongType loc ctx ty s =>
inEContext ctx $
sep ["the term", termn ctx.names0 s,
"cannot have type", termn ctx.names0 ty]
MissingEnumArm _ tag tags => pure $
sep [hsep ["the tag", !(prettyTag tag), "is not contained in"],
!(prettyTerm [<] [<] $ Enum (fromList tags) noLoc)]
MissingEnumArm loc tag tags =>
sep [hsep ["the tag", hl Tag $ pretty tag, "is not contained in"],
termn empty $ Enum (fromList tags) noLoc]
WhileChecking ctx pi s a err =>
[|vappendBlank
(inTContext ctx . sep =<< sequence
[hangDSingle "while checking" !(prettyTerm ctx.dnames ctx.tnames s),
hangDSingle "has type" !(prettyTerm ctx.dnames ctx.tnames a),
hangDSingle "with quantity" !(prettyQty pi)])
(prettyErrorNoLoc showContext err)|]
WhileChecking ctx pi s a err =>
vsep [inTContext ctx $
sep ["while checking", termn ctx.names s,
"has type", termn ctx.names a,
hsep ["with quantity", pretty0 unicode pi]],
prettyErrorNoLoc showContext err]
WhileCheckingTy ctx a k err =>
[|vappendBlank
(inTContext ctx . sep =<< sequence
[hangDSingle "while checking" !(prettyTerm ctx.dnames ctx.tnames a),
pure $ text $ isTypeInUniverse k])
(prettyErrorNoLoc showContext err)|]
WhileCheckingTy ctx a k err =>
vsep [inTContext ctx $
sep ["while checking", termn ctx.names a,
isTypeInUniverse k],
prettyErrorNoLoc showContext err]
WhileInferring ctx pi e err =>
[|vappendBlank
(inTContext ctx . sep =<< sequence
[hangDSingle "while inferring the type of"
!(prettyElim ctx.dnames ctx.tnames e),
hangDSingle "with quantity" !(prettyQty pi)])
(prettyErrorNoLoc showContext err)|]
WhileInferring ctx pi e err =>
vsep [inTContext ctx $
sep ["while inferring the type of", termn ctx.names $ E e,
hsep ["with quantity", pretty0 unicode pi]],
prettyErrorNoLoc showContext err]
WhileComparingT ctx mode a s t err =>
[|vappendBlank
(inEContext ctx . sep =<< sequence
[hangDSingle "while checking that" !(prettyTerm [<] ctx.tnames s),
hangDSingle (text "is \{prettyMode mode}")
!(prettyTerm [<] ctx.tnames t),
hangDSingle "at type" !(prettyTerm [<] ctx.tnames a)])
(prettyErrorNoLoc showContext err)|]
WhileComparingT ctx mode a s t err =>
vsep [inEContext ctx $
sep ["while checking that", termn ctx.names0 s,
hsep ["is", prettyMode mode], termn ctx.names0 t,
"at type", termn ctx.names0 a],
prettyErrorNoLoc showContext err]
WhileComparingE ctx mode e f err =>
[|vappendBlank
(inEContext ctx . sep =<< sequence
[hangDSingle "while checking that" !(prettyElim [<] ctx.tnames e),
hangDSingle (text "is \{prettyMode mode}")
!(prettyElim [<] ctx.tnames f)])
(prettyErrorNoLoc showContext err)|]
WhileComparingE ctx mode e f err =>
vsep [inEContext ctx $
sep ["while checking that", termn ctx.names0 $ E e,
hsep ["is", prettyMode mode], termn ctx.names0 $ E f],
prettyErrorNoLoc showContext err]
where
inTContext : TyContext d n -> Doc HL -> Doc HL
inTContext ctx doc =
if showContext && not (null ctx) then
vsep [sep ["in context", prettyTyContext unicode ctx], doc]
else doc
where
vappendBlank : Doc opts -> Doc opts -> Doc opts
vappendBlank a b = flush a `vappend` b
inEContext : EqContext n -> Doc HL -> Doc HL
inEContext ctx doc =
if showContext && not (null ctx) then
vsep [sep ["in context", prettyEqContext unicode ctx], doc]
else doc
inTContext : TyContext d n -> Doc opts -> Eff Pretty (Doc opts)
inTContext ctx doc =
if showContext && not (null ctx) then
pure $ vappend doc (sep ["in context", !(prettyTyContext ctx)])
else pure doc
export
prettyError : (showContext : Bool) -> Error -> Doc HL
prettyError showContext err =
sep [prettyLoc err.loc, indent 4 $ prettyErrorNoLoc showContext err]
inEContext : EqContext n -> Doc opts -> Eff Pretty (Doc opts)
inEContext ctx doc =
if showContext && not (null ctx) then
pure $ vappend doc (sep ["in context", !(prettyEqContext ctx)])
else pure doc
export
prettyError : {opts : _} -> (showContext : Bool) ->
Error -> Eff Pretty (Doc opts)
prettyError showContext err = sep <$> sequence
[prettyLoc err.loc, indentD =<< prettyErrorNoLoc showContext err]

45
lib/Text/PrettyPrint/Bernardy/Core/Decorate.idr Normal file
View file

@ -0,0 +1,45 @@
-- this module has to be called this because a module A.B's private elements are
-- still visible to A.B.C, even if they're in different packages. which i don't
-- think is a good idea but i also don't want to fork prettier over it
module Text.PrettyPrint.Bernardy.Core.Decorate
import public Text.PrettyPrint.Bernardy.Core
import Data.DPair
public export
record Highlight where
constructor MkHighlight
before, after : String
export
emptyHL : Highlight -> Bool
emptyHL (MkHighlight before after) = before == "" && after == ""
-- taken from prettier-ansi
private
decorateImpl : Highlight ->
(ss : SnocList String) -> (0 _ : NonEmptySnoc ss) =>
Subset (SnocList String) NonEmptySnoc
decorateImpl h [<x] = Element [< h.before ++ x ++ h.after] %search
decorateImpl h (sx :< x) = Element (go [] sx :< (x ++ h.after)) %search
where
go : List String -> SnocList String -> SnocList String
go strs [< x] = [< h.before ++ x] <>< strs
go strs (sx :< x) = go (x :: strs) sx
go strs [<] = [<] <>< strs
||| Decorate a `Layout` with the given ANSI codes *without*
||| changing its stats like width or height.
export
decorateLayout : Highlight -> Layout -> Layout
decorateLayout h l@(MkLayout content stats) =
if emptyHL h then l else
layout (decorateImpl h content) stats
||| Decorate a `Doc` with the given highlighting *without*
||| changing its stats like width or height.
export
decorate : {opts : _} -> Highlight -> Doc opts -> Doc opts
decorate h doc = doc >>= \l => pure (decorateLayout h l)

4
lib/quox-lib.ipkg
View file

@ -5,9 +5,10 @@ authors = "rhiannon morris"
sourceloc = "https://git.rhiannon.website/rhi/quox"
license = "acsl"
depends = base, contrib, elab-util, sop, snocvect, eff
depends = base, contrib, elab-util, sop, snocvect, eff, prettier
modules =
Text.PrettyPrint.Bernardy.Core.Decorate,
Quox.BoolExtra,
Quox.CharExtra,
Quox.NatExtra,
@ -28,7 +29,6 @@ modules =
Quox.Syntax.Term.Base,
Quox.Syntax.Term.Tighten,
Quox.Syntax.Term.Pretty,
Quox.Syntax.Term.Split,
Quox.Syntax.Term.Subst,
Quox.Syntax.Var,
Quox.Definition,

2
pack.toml
View file

@ -1,4 +1,4 @@
collection = "nightly-230323"
collection = "nightly-230505"
[custom.all.tap]
type = "git"

36
tests/PrettyExtra.idr
View file

@ -10,22 +10,36 @@ squash = pack . squash' . unpack . trim where
squash' : List Char -> List Char
squash' [] = []
squash' (c :: cs) =
if isSpace c then
' ' :: squash' (dropWhile isSpace cs)
else
c :: squash' cs
if isSpace c then ' ' :: squash' (dropWhile isSpace cs)
else c :: squash' cs
public export
Printer : Type -> Type
Printer a = {opts : _} -> a -> Eff Pretty (Doc opts)
export
renderSquash : Doc HL -> String
renderSquash doc = squash $ renderShow (layoutCompact doc) ""
renderSquash : ({opts : _} -> Doc opts) -> String
renderSquash doc = squash $ render (Opts 10000) doc
export
testPretty : PrettyHL a => (dnames, tnames : SnocList BaseName) ->
a -> (uni, asc : String) ->
prettySquash : Printer a -> Flavor -> a -> String
prettySquash pr f x =
renderSquash $ runPrettyWith Outer f noHighlight 0 (pr x)
export
testPretty : Printer a -> a -> (uni, asc : String) ->
{default uni label : String} -> Test
testPretty dnames tnames t uni asc {label} = test {e = Info} label $ do
testPretty pr t uni asc {label} = test {e = Info} label $ do
let uni = squash uni; asc = squash asc
uni' = renderSquash $ pretty0With True dnames tnames t
asc' = renderSquash $ pretty0With False dnames tnames t
uni' = prettySquash pr Unicode t
asc' = prettySquash pr Ascii t
unless (uni == uni') $ Left [("exp", uni), ("got", uni')]
unless (asc == asc') $ Left [("exp", asc), ("got", asc')]
export
runPrettyDef : Eff Pretty a -> a
runPrettyDef = runPrettyWith Outer Unicode noHighlight 0
export
prettyStr : ({opts : _} -> Eff Pretty (Doc opts)) -> String
prettyStr doc = render (Opts 60) $ runPrettyDef doc

55
tests/Tests/DimEq.idr
View file

@ -16,62 +16,65 @@ import Data.So
-- [todo] 'set' never breaks existing equalities
private
prettyDimEq' : {default Arg prec : PPrec} -> NContext d -> DimEq d -> Doc HL
prettyDimEq' [<] (C _) = "·"
prettyDimEq' ds eqs =
runPrettyWith False (toSnocList' ds) [<] $ withPrec prec $ prettyM eqs
prettyDimEq_ : {opts : _} -> {default Arg prec : PPrec} ->
BContext d -> DimEq d -> Eff Pretty (Doc opts)
prettyDimEq_ [<] (C _) = pure "·"
prettyDimEq_ ds eqs = prettyDimEq ds eqs
private
testPrettyD : NContext d -> DimEq d -> (str : String) ->
testPrettyD : BContext d -> DimEq d -> (str : String) ->
{default str label : String} -> Test
testPrettyD ds eqs str {label} =
testPretty (toSnocList' ds) [<] eqs str str {label}
testPretty (prettyDimEq ds) eqs str str {label}
private
testWf : NContext d -> DimEq d -> Test
testWf : BContext d -> DimEq d -> Test
testWf ds eqs =
test (renderSquash $ sep [prettyDimEq' {prec = Outer} ds eqs, "⊢", "✓"]) $
test (prettySquash (prettyDimEq_ ds) Unicode eqs ++ "⊢ ✓") $
unless (wf eqs) $ Left ()
private
testNwf : NContext d -> DimEq d -> Test
testNwf : BContext d -> DimEq d -> Test
testNwf ds eqs =
test (renderSquash $ sep [prettyDimEq' {prec = Outer} ds eqs, "⊬", "✓"]) $
test (prettySquash (prettyDimEq_ ds) Unicode eqs ++ "⊢ ✗") $
when (wf eqs) $ Left ()
private
testEqLabel : String -> (ds : NContext d) -> (exp, got : DimEq d) -> String
testEqLabel op ds exp got = renderSquash $
sep [prettyDimEq' ds exp, fromString op, prettyDimEq' ds got]
testEqLabel : String -> (ds : BContext d) -> (exp, got : DimEq d) -> String
testEqLabel op ds exp got =
renderSquash $ runPrettyDef $ do
pure $ sep [!(prettyDimEq_ ds exp), text op, !(prettyDimEq_ ds got)]
private
testNeq : (ds : NContext d) -> (exp, got : DimEq d) ->
testNeq : (ds : BContext d) -> (exp, got : DimEq d) ->
{default (testEqLabel "≠" ds exp got) label : String} -> Test
testNeq {label} ds exp got =
test label $ unless (exp /= got) $ Left ()
private
testEq : (ds : NContext d) -> (exp, got : DimEq d) ->
testEq : (ds : BContext d) -> (exp, got : DimEq d) ->
{default (testEqLabel "=" ds exp got) label : String} -> Test
testEq {label} ds exp got =
test label $ unless (exp == got) $
Left [("exp", renderSquash $ prettyDimEq' ds exp),
("got", renderSquash $ prettyDimEq' ds got)]
Left [("exp", prettySquash (prettyDimEq_ ds) Unicode exp),
("got", prettySquash (prettyDimEq_ ds) Unicode got)]
private
testSetLabel : String -> NContext d -> DimEq d ->
testSetLabel : String -> BContext d -> DimEq d ->
DimEq d -> List (Dim d, Dim d) -> String
testSetLabel op ds exp start sets = renderSquash $
sep [parens $ sep $ intersperse "/" $
prettyDimEq' {prec = Outer} ds start :: map prettySet sets,
fromString op, prettyDimEq' ds exp]
testSetLabel op ds exp start sets = renderSquash $ runPrettyDef $ do
pure $ sep
[parens $ sep $ intersperse "/" $
!(prettyDimEq_ {prec = Outer} ds start) :: !(traverse prettySet sets),
text op, !(prettyDimEq_ ds exp)]
where
prettySet : (Dim d, Dim d) -> Doc HL
prettySet (p, q) = hsep [prettyDim ds p, "≔", prettyDim ds q]
prettySet : {opts : _} -> (Dim d, Dim d) -> Eff Pretty (Doc opts)
prettySet (p, q) = pure $
hsep [!(prettyDim ds p), "≔", !(prettyDim ds q)]
private
testSet : (ds : NContext d) -> (exp, start : DimEq d) ->
testSet : (ds : BContext d) -> (exp, start : DimEq d) ->
(sets : List (Dim d, Dim d)) ->
(0 _ : (So (wf start), So (wf exp))) =>
Test
@ -80,7 +83,7 @@ testSet ds exp start sets =
foldl (\eqs, (p, q) => set p q eqs) start sets
private
ii, iijj, iijjkk, iijjkkll : NContext ?
ii, iijj, iijjkk, iijjkkll : BContext ?
ii = [< "𝑖"]
iijj = [< "𝑖", "𝑗"]
iijjkk = [< "𝑖", "𝑗", "𝑘"]

3
tests/Tests/FromPTerm.idr
View file

@ -7,6 +7,7 @@ import Tests.Parser as TParser
import Quox.EffExtra
import TAP
import AstExtra
import PrettyExtra
import System.File
import Derive.Prelude
@ -29,7 +30,7 @@ ToInfo Failure where
toInfo (ParseError err) = toInfo err
toInfo (FromParser err) =
[("type", "FromParserError"),
("got", show $ prettyError True True err)]
("got", prettyStr $ prettyError True err)]
toInfo (WrongResult got) =
[("type", "WrongResult"), ("got", got)]
toInfo (ExpectedFail got) =

18
tests/Tests/PrettyTerm.idr
View file

@ -5,11 +5,11 @@ import Quox.Syntax
import PrettyExtra
parameters (ds : NContext d) (ns : NContext n)
parameters (ds : BContext d) (ns : BContext n)
testPrettyT : Term d n -> (uni, asc : String) ->
{default uni label : String} -> Test
testPrettyT t uni asc {label} =
testPretty (toSnocList' ds) (toSnocList' ns) t uni asc {label}
testPretty (prettyTerm ds ns) t uni asc {label}
testPrettyT1 : Term d n -> (str : String) ->
{default str label : String} -> Test
@ -101,8 +101,8 @@ tests = "pretty printing terms" :- [
],
"type universes" :- [
testPrettyT [<] [<] (^TYPE 0) "★₀" "Type0",
testPrettyT [<] [<] (^TYPE 100) "★₁₀₀" "Type100"
testPrettyT [<] [<] (^TYPE 0) "★₀" "Type 0",
testPrettyT [<] [<] (^TYPE 100) "★₁₀₀" "Type 100"
],
"function types" :- [
@ -117,7 +117,7 @@ tests = "pretty printing terms" :- [
testPrettyT [<] [<]
(^PiY Zero "A" (^TYPE 0) (^Arr Any (^BVT 0) (^BVT 0)))
"0.(A : ★₀) → ω.A → A"
"0.(A : Type0) -> #.A -> A",
"0.(A : Type 0) -> #.A -> A",
testPrettyT [<] [<]
(^Arr Any (^Arr Any (^FT "A") (^FT "A")) (^FT "A"))
"ω.(ω.A → A) → A"
@ -130,7 +130,7 @@ tests = "pretty printing terms" :- [
(^PiY Zero "P" (^Arr Zero (^FT "A") (^TYPE 0))
(E $ ^App (^BV 0) (^FT "a")))
"0.(P : 0.A → ★₀) → P a"
"0.(P : 0.A -> Type0) -> P a"
"0.(P : 0.A -> Type 0) -> P a"
],
"pair types" :- [
@ -190,7 +190,7 @@ tests = "pretty printing terms" :- [
testPrettyE [<] [<]
(^CasePair One (^F "a") (SN $ ^TYPE 1) (SN $ ^TYPE 0))
"case1 a return ★₁ of { (_, _) ⇒ ★₀ }"
"case1 a return Type1 of { (_, _) => Type0 }",
"case1 a return Type 1 of { (_, _) => Type 0 }",
testPrettyT [<] [<]
(^LamY "u" (E $
^CaseEnum One (^F "u")
@ -208,7 +208,7 @@ tests = "pretty printing terms" :- [
{label = "type-case ℕ ∷ ★₀ return ★₀ of { ⋯ }"}
(^TypeCase (^Ann (^Nat) (^TYPE 0)) (^TYPE 0) empty (^Nat))
"type-case ℕ ∷ ★₀ return ★₀ of { _ ⇒ ℕ }"
"type-case Nat :: Type0 return Type0 of { _ => Nat }"
"type-case Nat :: Type 0 return Type 0 of { _ => Nat }"
],
"annotations" :- [
@ -231,6 +231,6 @@ tests = "pretty printing terms" :- [
testPrettyE [<] [<]
(^Ann (^Arr One (^FT "A") (^FT "A")) (^TYPE 7))
"(1.A → A) ∷ ★₇"
"(1.A -> A) :: Type7"
"(1.A -> A) :: Type 7"
]
]

15
tests/Tests/Typechecker.idr
View file

@ -6,6 +6,7 @@ import public TypingImpls
import TAP
import Quox.EffExtra
import AstExtra
import PrettyExtra
%hide Prelude.App
@ -14,20 +15,20 @@ import AstExtra
data Error'
= TCError Typing.Error
| WrongInfer (Term d n) (Term d n)
| WrongInfer (BContext d) (BContext n) (Term d n) (Term d n)
| WrongQOut (QOutput n) (QOutput n)
export
ToInfo Error' where
toInfo (TCError e) = toInfo e
toInfo (WrongInfer good bad) =
toInfo (WrongInfer dnames tnames good bad) =
[("type", "WrongInfer"),
("wanted", prettyStr True good),
("got", prettyStr True bad)]
("wanted", prettyStr $ prettyTerm dnames tnames good),
("got", prettyStr $ prettyTerm dnames tnames bad)]
toInfo (WrongQOut good bad) =
[("type", "WrongQOut"),
("wanted", prettyStr True good),
("wanted", prettyStr True bad)]
("wanted", show good),
("wanted", show bad)]
0 M : Type -> Type
M = Eff [Except Error', DefsReader]
@ -116,7 +117,7 @@ parameters (label : String) (act : Lazy (M ()))
inferredTypeEq : TyContext d n -> (exp, got : Term d n) -> M ()
inferredTypeEq ctx exp got =
wrapErr (const $ WrongInfer exp got) $ inj $ lift $
wrapErr (const $ WrongInfer ctx.dnames ctx.tnames exp got) $ inj $ lift $
equalType noLoc ctx exp got
qoutEq : (exp, got : QOutput n) -> M ()

6
tests/TypingImpls.idr
View file

@ -3,6 +3,7 @@ module TypingImpls
import TAP
import public Quox.Typing
import public Quox.Pretty
import PrettyExtra
import Derive.Prelude
%language ElabReflection
@ -14,4 +15,7 @@ import Derive.Prelude
%runElab derive "Error" [Show]
export
ToInfo Error where toInfo err = [("err", show $ prettyError True True err)]
ToInfo Error where
toInfo err =
let str = render (Opts 60) $ runPrettyDef $ prettyError True err in
[("err", str)]