80 lines
1.8 KiB
Idris
80 lines
1.8 KiB
Idris
module Quox.Definition
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import public Quox.No
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import public Quox.Syntax
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import public Data.SortedMap
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import public Quox.Loc
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import Control.Eff
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import Decidable.Decidable
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public export
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data DefBody =
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Concrete (Term 0 0)
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| Postulate
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namespace DefBody
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public export
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(.term0) : DefBody -> Maybe (Term 0 0)
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(Concrete t).term0 = Just t
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(Postulate).term0 = Nothing
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public export
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record Definition where
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constructor MkDef
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qty : GQty
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type0 : Term 0 0
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body0 : DefBody
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loc_ : Loc
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public export %inline
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mkPostulate : GQty -> (type0 : Term 0 0) -> Loc -> Definition
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mkPostulate qty type0 loc_ = MkDef {qty, type0, body0 = Postulate, loc_}
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public export %inline
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mkDef : GQty -> (type0, term0 : Term 0 0) -> Loc -> Definition
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mkDef qty type0 term0 loc_ = MkDef {qty, type0, body0 = Concrete term0, loc_}
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export Located Definition where def.loc = def.loc_
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export Relocatable Definition where setLoc loc = {loc_ := loc}
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parameters {d, n : Nat}
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public export %inline
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(.type) : Definition -> Term d n
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g.type = g.type0 // shift0 d // shift0 n
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public export %inline
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(.term) : Definition -> Maybe (Term d n)
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g.term = g.body0.term0 <&> \t => t // shift0 d // shift0 n
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public export %inline
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toElim : Definition -> Maybe $ Elim d n
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toElim def = pure $ Ann !def.term def.type def.loc
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public export %inline
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isZero : Definition -> Bool
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isZero g = g.qty.fst == Zero
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public export
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data DefEnvTag = DEFS
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public export
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Definitions : Type
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Definitions = SortedMap Name Definition
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public export
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DefsReader : Type -> Type
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DefsReader = ReaderL DEFS Definitions
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public export
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DefsState : Type -> Type
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DefsState = StateL DEFS Definitions
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public export %inline
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lookupElim : {d, n : Nat} -> Name -> Definitions -> Maybe (Elim d n)
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lookupElim x defs = toElim !(lookup x defs)
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