This commit is contained in:
Rachel Lambda Samuelsson 2023-02-01 14:38:14 +01:00
parent 68a7cafd8e
commit db2c757355
5 changed files with 34 additions and 20 deletions

View File

@ -1,6 +1,6 @@
(* number ; is-hole? *)
type meta = Mv of int * bool
type meta
= Mv of int * bool
let cMV : int ref = ref 0

View File

@ -1,15 +1,13 @@
module V = Value
module T = Term
module M = Metaenv
let rec index (env : V.env) (i : int) =
match env with
| [] -> failwith "Can't happen"
| x :: xs -> if i < 1 then x else index xs (i-1)
open List
let rec eval (env : V.env) (tr : T.term) =
match tr with
| Var (Ix i) -> index env i
| Mv m -> V.Stuck (V.Meta m, ?)
| Var (Ix i) -> nth env i
| Meta (Mv (i, b)) -> V.Stuck (V.Meta (Mv (i, b)), M.getMetaType i)
| Type -> V.Type
| T0 -> V.T0
| Ind0 (B b, t) -> begin

13
lib/Core/Metaenv.ml Normal file
View File

@ -0,0 +1,13 @@
module C = Common
module V = Value
open List
type mentry = {m: C.meta; ty: V.value}
let metaEntries : mentry list ref = ref []
let getMetaEntry (i : int) =
nth (! metaEntries) i
let getMetaType (i : int) = (getMetaEntry i).ty

View File

@ -1,6 +1,5 @@
module P = AbsImplicitt
module R = RawSyntax
module C = Common
open R
@ -34,17 +33,18 @@ let rec proc (e : P.id list) (ex : P.exp) =
| ExpPair (e1, e2) -> Pair (proc e e1, proc e e2)
| ExpFst e1 -> Fst (proc e e1)
| ExpSnd e1 -> Snd (proc e e1)
| ExpHole -> C.Mv (getCMV (), true)
| ExpInd0 (Id i1, e1, e2) -> Ind0 (B (proc (i1 :: e)) e1) e2
| ExpIndN (Id i1, e1, e2, Id i2, Id i3, e3, e4) ->
IndN (B (proc (i1 :: e) e1)) (proc e e2)
(B (B (proc (i3 :: i2 :: e) e3)))
(proc e e4)
| ExpIndB (Id i1, e1, e2, e3, e4) ->
IndB (B (proc (i1 :: e) e1))
(proc e e2)
(proc e e3)
(proc e e4)
| ExpHole -> Hole
| ExpInd0 (i1, e1, e2) -> Ind0 (proc (i1 :: e) e1, proc e e2)
| ExpIndN (i1, e1, e2, i2, i3, e3, e4) ->
IndN (proc (i1 :: e) e1
, proc e e2
, proc (i3 :: i2 :: e) e3
, proc e e4)
| ExpIndB (i1, e1, e2, e3, e4) ->
IndB (proc (i1 :: e) e1
, proc e e2
, proc e e3
, proc e e4)
and unwrapLambda (e : P.id list) (bs : P.bD list) (sc : P.exp) =
match bs with

View File

@ -1,3 +1,5 @@
module C = Core.Common
type var = Ix of int
type name = string
@ -7,6 +9,7 @@ type icit
type ast
= Var of var
| Hole
| Type