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SM (no closures yet); some ugly hacks yet to fix

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Dmitry Boulytchev 2019-10-05 00:16:50 +03:00
parent 36685d1592
commit 89e0d04f3d
4 changed files with 275 additions and 134 deletions
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16
src/Language.ml
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@ -16,9 +16,17 @@ let unquote s = String.sub s 1 (String.length s - 2)
module Value =
struct
(* The type for name designation: global or local variable, argument, reference to closure, etc. *)
@type designation =
| Global of string
| Local of int
| Arg of int
| Access of int
with show
@type ('a, 'b) t =
| Empty
| Var of string
| Var of designation
| Elem of ('a, 'b) t * int
| Int of int
| String of bytes
@ -320,7 +328,7 @@ module Expr =
(* Update state *)
let update st x v =
match x with
| Value.Var x -> State.update x v st
| Value.Var (Value.Global x) -> State.update x v st
| Value.Elem (x, i) -> Value.update_elem x i v; st
| _ -> invalid_arg (Printf.sprintf "invalid value %s in update" @@ show(Value.t) (fun _ -> "<expr>") (fun _ -> "<state>") x)
@ -385,7 +393,7 @@ module Expr =
let vars, body, bnds =
List.fold_left
(fun (vs, bd, bnd) -> function
| (name, `Variable value) -> (name, true) :: vs, (match value with None -> bd | Some v -> Seq (Assign (Ref name, v), bd)), bnd
| (name, `Variable value) -> (name, true) :: vs, (match value with None -> bd | Some v -> Seq (Ignore (Assign (Ref name, v)), bd)), bnd
| (name, `Fun (args, b)) -> (name, false) :: vs, bd, (name, Value.Closure (args, b, st)) :: bnd
)
([], body, [])
@ -410,7 +418,7 @@ module Expr =
| Var x ->
eval (st, i, o, (State.eval st x) :: vs) Skip k
| Ref x ->
eval (st, i, o, (Value.Var x) :: vs) Skip k
eval (st, i, o, (Value.Var (Value.Global x)) :: vs) Skip k
| Array xs ->
eval conf k (schedule_list (xs @ [Intrinsic (fun (st, i, o, vs) -> let es, vs' = take (List.length xs) vs in Builtin.eval (st, i, o, vs') (List.rev es) ".array")]))
| Sexp (t, xs) ->