Simplify a bit

This commit is contained in:
Tom Jack 2019-10-11 15:10:08 -05:00
parent d947f3b462
commit c5361c57d4

View File

@ -800,26 +800,18 @@ and simpl_single_instruction : Raw.single_instr -> (_ -> expression result) resu
| SetPatch patch -> (
let (setp, loc) = r_split patch in
let (name , access_path) = simpl_path setp.path in
let%bind inj = bind_list
@@ List.map (fun (x:Raw.expr) ->
let%bind e = simpl_expression x
in ok e)
@@ pseq_to_list setp.set_inj.value.elements in
let%bind expr =
let rec chain_add = fun lst s : expression ->
match lst with
| [] -> s
| hd :: tl -> chain_add tl (e_constant "SET_ADD" [hd ; s]) in
let assigns =
let%bind inj =
bind_list @@
List.map simpl_expression @@
pseq_to_list setp.set_inj.value.elements in
let expr =
match inj with
| [] -> e_skip ~loc ()
| _ :: _ -> chain_add inj (e_variable name) in
match assigns with
| {expression = E_skip; _} -> ok @@ e_skip ~loc ()
| {expression = E_constant e; location = loc} ->
ok @@ e_assign name access_path {expression = (E_constant e); location = loc}
| _ -> fail @@ corner_case ~loc:__LOC__ "Unexpected expression type"
in
| _ :: _ ->
let assigns = List.fold_right
(fun hd s -> e_constant "SET_ADD" [hd ; s])
inj (e_variable name) in
e_assign ~loc name access_path assigns in
return_statement @@ expr
)