more FromParser

lib/Quox/Definition.idr

@@ -40,6 +40,11 @@ mkPostulate : IsQty q => (qty : q) -> (0 _ : IsGlobal qty) =>
              (type : forall d, n. Term q d n) -> Definition q
 mkPostulate qty type = MkDef {qty, type = T type, body = Postulate}
 
+public export %inline
+mkDef0 : IsQty q => (qty : q) -> (0 _ : IsGlobal qty) =>
+         (type, term : Term q 0 0) -> Definition q
+mkDef0 qty type term = mkDef qty (inject type) (inject term)
+
 
 public export %inline
 (.get0) : AnyTerm q -> Term q 0 0

lib/Quox/Parser/FromParser.idr

@@ -2,6 +2,7 @@
 module Quox.Parser.FromParser
 
 import Quox.Parser.Syntax
+import Quox.Parser.Parser
 import Quox.Typechecker
 import Data.List
 
@@ -9,6 +10,13 @@ import public Control.Monad.Either
 import public Control.Monad.State
 import public Control.Monad.Reader
 
+import System.File
+import System.Path
+
+
+public export
+0 Defs : Type
+Defs = Definitions Three
 
 public export
 data FromParserError =
@@ -17,26 +25,34 @@ data FromParserError =
   | DimNotInScope PBaseName
   | QtyNotGlobal PQty
   | DimNameInTerm PBaseName
-
-public export
-interface LoadFile m where
-  loadFile : (file : String) -> m PTopLevel
+  | TypeError (Typing.Error Three)
+  | LoadError String FileError
+  | ParseError Parser.Error
 
 public export
 0 CanError : (Type -> Type) -> Type
 CanError = MonadError FromParserError
 
+public export
+0 HasDefsRW : (Type -> Type) -> Type
+HasDefsRW = MonadState Defs
+
 public export
 0 HasNamespace : (Type -> Type) -> Type
 HasNamespace = MonadReader Mods
 
+
 public export
-0 HasSeenFiles : (Type -> Type) -> Type
-HasSeenFiles = MonadState (SortedSet String)
+0 LoadFile : (Type -> Type) -> Type
+LoadFile m =
+  (HasIO m, MonadReader (List String) m, MonadState (SortedSet String) m)
+    -- reader for include paths, state for seen files
+
 
 public export
 0 FromParser : (Type -> Type) -> Type
-FromParser m = (CanError m, HasNamespace m, HasSeenFiles m)
+FromParser m =
+  (CanError m, HasDefsRW m, HasNamespace m, LoadFile m)
 
 
 
@@ -179,34 +195,61 @@ globalPQty pi = case isGlobal pi of
   No  n => throwError $ QtyNotGlobal pi
 
 
+export
+fromPNameNS : HasNamespace m => PName -> m Name
+fromPNameNS name = asks $ \ns => addMods ns $ fromPName name
 
--- -- [todo] extend substitutions so they can do this injection. that's the sort of
--- -- thing they are for.
--- export
--- fromPDefinition : FromParser m => PDefinition -> m (Name, Definition Three)
--- fromPDefinition (MkPDef {name, qty, type, term}) =
---   pure (addMods !ask $ fromPName name, MkDef' {
---     qty, qtyGlobal = !(globalPQty qty),
---     type = T $ inject !(fromPTerm type),
---     term = Just $ T $ inject !(fromPTerm term)
---   })
+private
+injTC : (CanError m, HasDefsRW m) => (forall m'. CanTC Three m' => m' a) -> m a
+injTC act =
+  either (throwError . TypeError) pure $
+  runReaderT {m = Either _} !get act
+
+export
+fromPDef : (CanError m, HasDefsRW m, HasNamespace m) => PDefinition -> m ()
+fromPDef (MkPDef qty pname ptype pterm) = do
+  name <- fromPNameNS pname
+  qtyGlobal <- globalPQty qty
+  let sqty = globalToSubj $ Element qty qtyGlobal
+  type <- traverse fromPTerm ptype
+  term <- fromPTerm pterm
+  case type of
+    Just type => do
+      injTC $ checkTypeC empty type Nothing
+      injTC $ ignore $ checkC empty sqty term type
+      modify $ insert name $ mkDef0 qty type term
+    Nothing => do
+      let E elim = term | _ => throwError $ AnnotationNeeded pterm
+      res <- injTC $ inferC empty sqty elim
+      modify $ insert name $ mkDef0 qty res.type term
+
+export
+fromPDecl : FromParser m => PDecl -> m ()
+fromPDecl (PDef def) = fromPDef def
+fromPDecl (PNs  ns)  =
+  local (<+> ns.name) $ concat <$> traverse fromPDecl ns.decls
 
 
--- export
--- fromPDecl : FromParser m => PDecl -> m (List (Name, Definition Three))
--- fromPDecl (PDef def) = singleton <$> fromPDefinition def
--- fromPDecl (PNs  ns)  = local (<+> ns.name) $
---   concat <$> assert_total traverse fromPDecl ns.decls
+export
+loadFile : (LoadFile m, CanError m) => String -> m (Maybe String)
+loadFile file =
+  if contains file !get then
+    pure Nothing
+  else do
+    Just file <- firstExists (map (</> file) !ask)
+      | Nothing => throwError $ LoadError file FileNotFound
+    case !(readFile file) of
+      Right res => pure $ Just res
+      Left  err => throwError $ LoadError file err
 
 
--- export covering
--- fromPTopLevel : (FromParser m, LoadFile m) =>
---                 PTopLevel -> m (List (Name, Definition Three))
--- fromPTopLevel (PD decl)    = fromPDecl decl
--- fromPTopLevel (PLoad file) =
---   if contains file !get then
---     pure []
---   else do
---     modify $ insert file
---     t <- loadFile file
---     fromPTopLevel t
+||| populates the `defs` field of the state
+export
+fromPTopLevel : FromParser m => PTopLevel -> m ()
+fromPTopLevel (PD    decl) = fromPDecl decl
+fromPTopLevel (PLoad file) =
+  case !(loadFile file) of
+    Just inp => do
+      tl <- either (throwError . ParseError) pure $ lexParseInput inp
+      traverse_ fromPTopLevel tl
+    Nothing => pure ()

lib/Quox/Parser/Parser.idr

@@ -277,9 +277,7 @@ defIntro = Zero <$ resC "def0"
 export covering
 definition : Grammar True PDefinition
 definition =
-  [|MkPDef defIntro name
-      (optional (resC ":" *> term))
-      (resC "≔" *> term)|]
+  [|MkPDef defIntro name (optional (resC ":" *> term)) (resC "≔" *> term)|]
 
 export
 load : Grammar True String

lib/Quox/Syntax/Qty.idr

@@ -88,3 +88,7 @@ GQty q = Subset q IsGlobal
 public export %inline
 gzero : IsQty q => GQty q
 gzero = Element zero $ zeroIsGlobal zeroIsZero
+
+export %inline
+globalToSubj : IsQty q => GQty q -> SQty q
+globalToSubj q = if isYes $ isZero q.fst then szero else sone

tests/Tests/FromPTerm.idr

@@ -3,9 +3,11 @@ module Tests.FromPTerm
 import Quox.Parser.Syntax
 import Quox.Parser
 import TermImpls
+import TypingImpls
 import Tests.Parser as TParser
 import TAP
 
+import System.File
 import Derive.Prelude
 %language ElabReflection
 
@@ -15,16 +17,18 @@ import Derive.Prelude
 public export
 data Failure =
     ParseError (Parser.Error)
-  | FromParserError FromParserError
+  | FromParser FromParserError
   | WrongResult String
   | ExpectedFail String
 
-%runElab derive "FromParser.FromParserError" [Show]
+%runElab derive "FileError" [Show]
+%runElab derive "Parser.Error" [Show]
+%runElab derive "FromParserError" [Show]
 
 export
 ToInfo Failure where
   toInfo (ParseError err) = toInfo err
-  toInfo (FromParserError err) =
+  toInfo (FromParser err) =
     [("type", "FromParserError"),
      ("got", show err)]
   toInfo (WrongResult got) =
@@ -40,7 +44,7 @@ parameters {c : Bool} {auto _ : Show b}
     parsesWith : (b -> Bool) -> Test
     parsesWith p = test label $ do
       pres <- mapFst ParseError $ lexParseWith grm inp
-      res  <- mapFst FromParserError $ fromP pres
+      res  <- mapFst FromParser $ fromP pres
       unless (p res) $ Left $ WrongResult $ show res
 
     parses : Test

tests/TypingImpls.idr

@@ -3,7 +3,23 @@ module TypingImpls
 import TAP
 import public Quox.Typing
 import public Quox.Pretty
+import public TermImpls
 
+import Derive.Prelude
+%language ElabReflection
+
+
+%runElab derive "WhnfErr" [Show]
+
+%runElab deriveIndexed "DimEq" [Show]
+
+export %hint
+showTyContext : (PrettyHL q, Show q) => Show (TyContext q d n)
+showTyContext = deriveShow
+
+export %hint
+showTypingError : (PrettyHL q, Show q) => Show (Error q)
+showTypingError = deriveShow
 
 export
 ToInfo WhnfErr where