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Refactor map patch so that it uses fewer assignments

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This commit is contained in:
John David Pressman 2019-10-11 15:44:16 -07:00
parent 62377135c4
commit 3d053cd073
1 changed files with 14 additions and 17 deletions
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27
src/passes/2-simplify/pascaligo.ml
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@ -811,26 +811,23 @@ and simpl_single_instruction : Raw.single_instr -> (_ -> expression result) resu
let (name, access_path) = simpl_path map_p.path in
let%bind inj = bind_list
@@ List.map (fun (x:Raw.binding Region.reg) ->
let (x , loc) = r_split x in
let x = x.value in
let (key, value) = x.source, x.image in
let%bind key' = simpl_expression key in
let%bind value' = simpl_expression value
in ok @@ (access_path, key', value', loc)
in ok @@ (key', value')
)
@@ pseq_to_list map_p.map_inj.value.elements in
let%bind expr =
let aux = fun (access, key, value, loc) ->
let map = e_variable name in
e_assign ~loc name access (e_map_add key value map) in
let assigns = List.map aux inj in
match assigns with
| [] -> ok @@ e_skip ~loc ()
| hd :: tl -> (
let aux acc cur = e_sequence acc cur in
ok @@ List.fold_left aux hd tl
)
in
return_statement @@ expr
let expr =
match inj with
| [] -> e_skip ~loc ()
| _ :: _ ->
let assigns = List.fold_left
(fun map (key, value) -> (e_map_add key value map))
(e_variable name)
inj
in e_assign ~loc name access_path assigns
in return_statement @@ expr
)
| SetPatch patch ->
fail @@ unsupported_set_patches patch