add #![log] pragma
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7 changed files with 164 additions and 34 deletions
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@ -2,6 +2,7 @@ module Quox.Log
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import Quox.Loc
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import Quox.Pretty
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import Quox.PrettyValExtra
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import Data.So
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import Data.DPair
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@ -90,7 +91,7 @@ record LogLevels where
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defLevel : LogLevel
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levels : LevelMap
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%name LogLevels lvls
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%runElab derive "LogLevels" [Eq, Show]
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%runElab derive "LogLevels" [Eq, Show, PrettyVal]
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public export
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LevelStack : Type
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@ -142,6 +143,7 @@ data PushArg =
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SetDefault LogLevel
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| SetCat LogCategory LogLevel
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| SetAll LogLevel
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%runElab derive "PushArg" [Eq, Ord, Show, PrettyVal]
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%name PushArg push
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export %inline
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@ -398,6 +398,10 @@ fromPDecl (PDef def) =
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fromPDecl (PNs ns) =
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maybeFail ns.fail ns.loc $
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localAt NS (<+> ns.name) $ concat <$> traverse fromPDecl ns.decls
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fromPDecl (PPrag prag) =
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case prag of
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PLogPush p _ => Log.push p $> []
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PLogPop _ => Log.pop $> []
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mutual
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export covering
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@ -247,7 +247,7 @@ public export
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reserved : List Reserved
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reserved =
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[Punc1 "(", Punc1 ")", Punc1 "[", Punc1 "]", Punc1 "{", Punc1 "}",
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Punc1 ",", Punc1 ";", Punc1 "#[",
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Punc1 ",", Punc1 ";", Punc1 "#[", Punc1 "#![",
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Sym1 "@",
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Sym1 ":",
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Sym "⇒" `Or` Sym "=>",
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@ -626,14 +626,19 @@ term fname = lamTerm fname
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export
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attr : FileName -> Grammar True PAttr
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attr fname = withLoc fname $ do
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resC "#["
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attr' : FileName -> (o : String) -> (0 _ : IsReserved o) =>
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Grammar True PAttr
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attr' fname o = withLoc fname $ do
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resC o
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name <- baseName
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args <- many $ termArg fname
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mustWork $ resC "]"
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pure $ PA name args
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export %inline
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attr : FileName -> Grammar True PAttr
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attr fname = attr' fname "#["
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export
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findDups : List PAttr -> List String
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findDups attrs =
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@ -658,44 +663,48 @@ attrList fname = do
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noDups res $> res
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public export
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data AttrMatch a = Matched a | NoMatch String | Malformed String String
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data AttrMatch a =
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Matched a
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| NoMatch String (List String)
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| Malformed String String
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export
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Functor AttrMatch where
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map f (Matched x) = Matched $ f x
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map f (NoMatch s) = NoMatch s
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map f (NoMatch s w) = NoMatch s w
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map f (Malformed a e) = Malformed a e
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export
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(<|>) : AttrMatch a -> AttrMatch a -> AttrMatch a
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Matched x <|> _ = Matched x
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NoMatch _ <|> y = y
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NoMatch {} <|> y = y
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Malformed a e <|> _ = Malformed a e
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export
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isFail : PAttr -> AttrMatch PFail
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isFail (PA "fail" [] _) = Matched PFailAny
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isFail (PA "fail" [Str s _] _) = Matched $ PFailMatch s
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isFail (PA "fail" _ _) = Malformed "fail" "be absent or a string literal"
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isFail a = NoMatch a.name
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isFail : PAttr -> List String -> AttrMatch PFail
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isFail (PA "fail" [] _) _ = Matched PFailAny
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isFail (PA "fail" [Str s _] _) _ = Matched $ PFailMatch s
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isFail (PA "fail" _ _) _ = Malformed "fail" "be absent or a string literal"
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isFail a w = NoMatch a.name w
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export
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isMain : PAttr -> AttrMatch ()
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isMain (PA "main" [] _) = Matched ()
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isMain (PA "main" _ _) = Malformed "main" "have no arguments"
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isMain a = NoMatch a.name
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isMain : PAttr -> List String -> AttrMatch ()
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isMain (PA "main" [] _) _ = Matched ()
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isMain (PA "main" _ _) _ = Malformed "main" "have no arguments"
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isMain a w = NoMatch a.name w
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export
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isScheme : PAttr -> AttrMatch String
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isScheme (PA "compile-scheme" [Str s _] _) = Matched s
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isScheme (PA "compile-scheme" _ _) =
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isScheme : PAttr -> List String -> AttrMatch String
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isScheme (PA "compile-scheme" [Str s _] _) _ = Matched s
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isScheme (PA "compile-scheme" _ _) _ =
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Malformed "compile-scheme" "be a string literal"
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isScheme a = NoMatch a.name
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isScheme a w = NoMatch a.name w
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export
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matchAttr : String -> AttrMatch a -> Either String a
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matchAttr _ (Matched x) = Right x
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matchAttr d (NoMatch a) = Left "unrecognised \{d} attribute \{a}"
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matchAttr d (NoMatch a w) = Left $ unlines
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["unrecognised \{d} attribute \{a}", "expected one of: \{show w}"]
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matchAttr _ (Malformed a s) = Left $ unlines
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["invalid \{a} attribute", "(should \{s})"]
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@ -710,10 +719,12 @@ where
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data PDefAttr = DefFail PFail | DefMain | DefScheme String
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isDefAttr : PAttr -> Either String PDefAttr
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isDefAttr attr = matchAttr "definition" $
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DefFail <$> isFail attr
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<|> DefMain <$ isMain attr
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<|> DefScheme <$> isScheme attr
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isDefAttr attr =
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let defAttrs = ["fail", "main", "compile-scheme"] in
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matchAttr "definition" $
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DefFail <$> isFail attr defAttrs
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<|> DefMain <$ isMain attr defAttrs
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<|> DefScheme <$> isScheme attr defAttrs
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addAttr : PDefinition -> PAttr -> Either String PDefinition
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addAttr def attr =
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@ -730,7 +741,7 @@ mkPNamespace attrs name decls = do
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res <- foldlM addAttr start attrs
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pure $ \l => {loc_ := l} (the PNamespace res)
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where
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isNsAttr = matchAttr "namespace" . isFail
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isNsAttr a = matchAttr "namespace" $ isFail a ["fail"]
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addAttr : PNamespace -> PAttr -> Either String PNamespace
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addAttr ns attr = pure $ {fail := !(isNsAttr attr)} ns
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@ -785,6 +796,48 @@ export
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nsname : Grammar True Mods
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nsname = do ns <- qname; pure $ ns.mods :< ns.base
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export
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pragma : FileName -> Grammar True PPragma
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pragma fname = do
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a <- attr' fname "#!["
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either fatalError pure $ case a.name of
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"log" => logArgs a.args a.loc
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_ => Left $
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#"unrecognised pragma "\#{a.name}"\n"# ++
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#"known pragmas: ["log"]"#
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where
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levelOOB : Nat -> Either String a
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levelOOB n = Left $
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"log level \{show n} out of bounds\n" ++
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"expected number in range 0–\{show maxLogLevel} inclusive"
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toLevel : Nat -> Either String LogLevel
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toLevel lvl = maybe (levelOOB lvl) Right $ toLogLevel lvl
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unknownCat : String -> Either String a
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unknownCat cat = Left $
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"unknown log category \{show cat}\n" ++
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"known categories: \{show $ ["all", "default"] ++ logCategories}"
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toCat : String -> Either String LogCategory
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toCat cat = maybe (unknownCat cat) Right $ toLogCategory cat
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fromPair : PTerm -> Either String (String, Nat)
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fromPair (Pair (V (MkPName [<] x) Nothing _) (Nat n _) _) = Right (x, n)
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fromPair _ = Left "invalid argument to log pragma"
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logCatArg : (String, Nat) -> Either String Log.PushArg
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logCatArg ("default", lvl) = [|SetDefault $ toLevel lvl|]
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logCatArg ("all", lvl) = [|SetAll $ toLevel lvl|]
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logCatArg (cat, lvl) = [|SetCat (toCat cat) (toLevel lvl)|]
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logArgs : List PTerm -> Loc -> Either String PPragma
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logArgs [] _ = Left "missing arguments to log pragma"
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logArgs [V "pop" Nothing _] loc = Right $ PLogPop loc
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logArgs other loc = do
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args <- traverse (logCatArg <=< fromPair) other
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pure $ PLogPush args loc
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export
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decl : FileName -> Grammar True PDecl
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@ -806,7 +859,9 @@ declBody fname attrs =
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[|PDef $ definition fname attrs|] <|> [|PNs $ namespace_ fname attrs|]
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-- decl : FileName -> Grammar True PDecl
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decl fname = attrList fname >>= declBody fname
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decl fname =
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(attrList fname >>= declBody fname)
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<|> PPrag <$> pragma fname
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export
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load : FileName -> Grammar True PTopLevel
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@ -4,6 +4,7 @@ import public Quox.Loc
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import public Quox.Syntax
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import public Quox.Definition
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import Quox.PrettyValExtra
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import public Quox.Log
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import Derive.Prelude
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%hide TT.Name
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@ -184,6 +185,18 @@ record PDefinition where
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export Located PDefinition where def.loc = def.loc_
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public export
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data PPragma =
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PLogPush (List Log.PushArg) Loc
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| PLogPop Loc
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%name PPragma prag
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%runElab derive "PPragma" [Eq, Ord, Show, PrettyVal]
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export
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Located PPragma where
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(PLogPush _ loc).loc = loc
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(PLogPop loc).loc = loc
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mutual
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public export
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record PNamespace where
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@ -196,8 +209,9 @@ mutual
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public export
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data PDecl =
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PDef PDefinition
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| PNs PNamespace
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PDef PDefinition
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| PNs PNamespace
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| PPrag PPragma
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%name PDecl decl
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%runElab deriveMutual ["PNamespace", "PDecl"] [Eq, Ord, Show, PrettyVal]
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@ -205,8 +219,9 @@ export Located PNamespace where ns.loc = ns.loc_
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export
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Located PDecl where
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(PDef d).loc = d.loc
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(PNs ns).loc = ns.loc
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(PDef d).loc = d.loc
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(PNs ns).loc = ns.loc
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(PPrag prag).loc = prag.loc
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public export
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data PTopLevel = PD PDecl | PLoad String Loc
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@ -1,5 +1,6 @@
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module Quox.PrettyValExtra
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import Data.DPair
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import Derive.Prelude
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import public Text.Show.Value
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import public Text.Show.PrettyVal
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@ -8,3 +9,12 @@ import public Text.Show.PrettyVal.Derive
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%language ElabReflection
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%runElab derive "SnocList" [PrettyVal]
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export %inline
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PrettyVal a => PrettyVal (Subset a p) where
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prettyVal (Element x _) = Con "Element" [prettyVal x, Con "_" []]
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export %inline
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(forall x. PrettyVal (p x)) => PrettyVal (Exists p) where
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prettyVal (Evidence _ p) = Con "Evidence" [Con "_" [], prettyVal p]
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@ -531,7 +531,51 @@ tests = "parser" :- [
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parseMatch input #" load "a.quox"; def b = a.b "#
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`([PLoad "a.quox" _,
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PD (PDef $ MkPDef (PQ Any _) "b"
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(PConcrete Nothing (V (MakePName [< "a"] "b") Nothing _))
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PSucceed False Nothing _)])
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(PConcrete Nothing (V (MkPName [< "a"] "b") Nothing _))
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PSucceed False Nothing _)]),
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parseMatch input #" #[main] postulate hi : String "#
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`([PD (PDef $ MkPDef (PQ Any _) "hi"
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(PPostulate (STRING _))
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PSucceed True Nothing _)]),
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parseMatch input #" #[compile-scheme "hi"] postulate hi : String "#
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`([PD (PDef $ MkPDef (PQ Any _) "hi"
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(PPostulate (STRING _))
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PSucceed False (Just "hi") _)]),
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parseMatch input #" #[main] #[compile-scheme "hi"] postulate hi : String "#
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`([PD (PDef $ MkPDef (PQ Any _) "hi"
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(PPostulate (STRING _))
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PSucceed True (Just "hi") _)]),
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parseMatch input #" #[fail] def hi = "hi!!!! uwu" "#
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`([PD (PDef $ MkPDef (PQ Any _) "hi"
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(PConcrete Nothing (Str "hi!!!! uwu" _))
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PFailAny False Nothing _)]),
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parseMatch input #" #[fail "type"] def hi = "hi!!!! uwu" "#
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`([PD (PDef $ MkPDef (PQ Any _) "hi"
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(PConcrete Nothing (Str "hi!!!! uwu" _))
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(PFailMatch "type") False Nothing _)]),
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parseMatch input #" #[fail] namespace ns { } "#
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`([PD (PNs $ MkPNamespace [< "ns"] [] PFailAny _)]),
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parseFails input #" #[fail 69] namespace ns { } "#,
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parseFails input "#[main]",
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parseFails input "#[main] namespace a { } ",
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parseFails input #" #[not-an-attr] postulate hi : String "#,
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parseFails input #" #[log pop] postulate hi : String "#,
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parseMatch input #" #![log pop] "#
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`([PD (PPrag (PLogPop _))]),
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parseMatch input #" #![log (all, 5)] "#
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`([PD (PPrag (PLogPush [SetAll (Element 5 _)] _))]),
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parseMatch input #" #![log (default, 69)] "#
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`([PD (PPrag (PLogPush [SetDefault (Element 69 _)] _))]),
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parseMatch input #" #![log (whnf, 100)] "#
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`([PD (PPrag (PLogPush [SetCat (Element "whnf" _) (Element 100 _)] _))]),
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parseMatch input #" #![log (all, 5) (default, 69) (whnf, 100)] "#
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`([PD (PPrag (PLogPush
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[SetAll (Element 5 _), SetDefault (Element 69 _),
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SetCat (Element "whnf" _) (Element 100 _)] _))]),
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parseFails input #" #![log] "#,
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parseFails input #" #![log (non-category, 5)] "#,
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parseFails input #" #![log (whnf, 50000000)] "#,
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parseFails input #" #![log [0.★⁵]] "#,
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parseFails input #" #![main] "#
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]
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]
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