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most of Tree.newt working

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Steve Dunham
2024-10-16 21:25:46 -07:00
parent 558e7722b8
commit a0ceac3167
3 changed files with 70 additions and 20 deletions
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35
src/Lib/Elab.idr
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@@ -136,15 +136,24 @@ parameters (ctx: Context)
solve : Nat -> Nat -> SnocList Val -> Val -> M ()
solve l m sp t = do
debug "solve \{show m} lvl \{show l} sp \{show sp} is \{show t}"
meta <- lookupMeta m
debug "meta \{show meta}"
ren <- invert l sp
tm <- rename m ren l t
let tm = lams (length sp) tm
top <- get
soln <- eval [] CBN tm
solveMeta top m soln
pure ()
meta@(Unsolved metaFC ix ctx ty) <- lookupMeta m
| _ => error (getFC t) "Meta \{show m} already solved!"
let size = length $ filter (\x => x == Bound) $ toList ctx.bds
debug "\{show m} size is \{show size}"
if (length sp /= size) then do
-- need INFO that works like debug.
-- FIXME we probably need to hold onto the constraint and recheck when we solve the meta?
info (getFC t) "meta \{show m} applied to \{show $ length sp} args insted of \{show size}"
-- error (getFC t) "meta \{show m} applied to \{show $ length sp} args insted of \{show size}"
else do
debug "meta \{show meta}"
ren <- invert l sp
tm <- rename m ren l t
let tm = lams (length sp) tm
top <- get
soln <- eval [] CBN tm
solveMeta top m soln
pure ()
trySolve : Nat -> Nat -> SnocList Val -> Val -> M ()
trySolve l m sp t = do
@@ -210,8 +219,12 @@ parameters (ctx: Context)
(t, VVar fc k [<]) => pure $ MkResult[(k, t)]
(VLam _ _ t, VLam _ _ t') => unify (l + 1) !(t $$ VVar emptyFC l [<]) !(t' $$ VVar emptyFC l [<])
(t, VLam fc' _ t') => unify (l + 1) !(t `vapp` VVar emptyFC l [<]) !(t' $$ VVar emptyFC l [<])
(VLam fc _ t, t' ) => unify (l + 1) !(t $$ VVar emptyFC l [<]) !(t' `vapp` VVar emptyFC l [<])
(t, VLam fc' _ t') => do
debug "ETA \{show t}"
unify (l + 1) !(t `vapp` VVar emptyFC l [<]) !(t' $$ VVar emptyFC l [<])
(VLam fc _ t, t' ) => do
debug "ETA' \{show t'}"
unify (l + 1) !(t $$ VVar emptyFC l [<]) !(t' `vapp` VVar emptyFC l [<])
-- REVIEW - consider separate value for DCon/TCon
(VRef fc k def sp, VRef fc' k' def' sp' ) =>