idris-lang/Idris2
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Reduce amount of normalisation in elab scripts

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We don't want to unfold definitions in 'pure' or 'check' or 'bind' since
we want the exact expression that the script author has used.
This commit is contained in:
Edwin Brady 2020-06-03 00:22:03 +01:00
parent d8d13d912e
commit c682ded9c4
2 changed files with 10 additions and 6 deletions
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12
src/TTImp/Elab/RunElab.idr
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@ -47,15 +47,18 @@ elabScript fc nest env (NDCon nfc nm t ar args) exp
nfOpts withAll defs env !(reflect fc defs False env tm)
elabCon : Defs -> String -> List (Closure vars) -> Core (NF vars)
elabCon defs "Pure" [_,val] = evalClosure defs val
elabCon defs "Pure" [_,val]
= do empty <- clearDefs defs
evalClosure empty val
elabCon defs "Bind" [_,_,act,k]
= do act' <- elabScript fc nest env
!(evalClosure defs act) exp
case !(evalClosure defs k) of
NBind _ x (Lam _ _ _) sc =>
elabScript fc nest env
do empty <- clearDefs defs
elabScript fc nest env
!(sc defs (toClosure withAll env
!(quote defs env act'))) exp
!(quote empty env act'))) exp
_ => failWith defs
elabCon defs "Fail" [_,msg]
= do msg' <- evalClosure defs msg
@ -165,7 +168,8 @@ checkRunElab rig elabinfo nest env fc script exp
ntm <- elabScript fc nest env
!(nfOpts withAll defs env stm) (Just (gnf env expected))
defs <- get Ctxt -- might have updated as part of the script
pure (!(quote defs env ntm), gnf env expected)
empty <- clearDefs defs
pure (!(quote empty env ntm), gnf env expected)
where
mkExpected : Maybe (Glued vars) -> Core (Term vars)
mkExpected (Just ty) = pure !(getTerm ty)

4
tests/idris2/reflection002/expected
View File

@ -1,8 +1,8 @@
1/1: Building power (power.idr)
Main> Main.cube : Nat -> Nat
cube = \x => mult x (mult x (mult x 1))
cube = \x => mult x (mult x (mult x (const (fromInteger 1) x)))
Main> 27
Main> Main.cube' : Nat -> Nat
cube' = \x => mult (mult (plus x 0) x) x
cube' = \x => mult (mult (mult (const (fromInteger 1) x) x) x) x
Main> 27
Main> Bye for now!