143 lines
4.3 KiB
OCaml
143 lines
4.3 KiB
OCaml
open Ast_simplified
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open Trace
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type mapper = expression -> expression result
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let rec map_expression : mapper -> expression -> expression result = fun f e ->
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let self = map_expression f in
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let%bind e' = f e in
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let return expression = ok { e' with expression } in
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match e'.expression with
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| E_list lst -> (
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let%bind lst' = bind_map_list self lst in
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return @@ E_list lst'
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)
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| E_set lst -> (
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let%bind lst' = bind_map_list self lst in
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return @@ E_set lst'
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)
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| E_map lst -> (
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let%bind lst' = bind_map_list (bind_map_pair self) lst in
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return @@ E_map lst'
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)
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| E_big_map lst -> (
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let%bind lst' = bind_map_list (bind_map_pair self) lst in
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return @@ E_big_map lst'
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)
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| E_sequence ab -> (
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let%bind ab' = bind_map_pair self ab in
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return @@ E_sequence ab'
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)
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| E_look_up ab -> (
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let%bind ab' = bind_map_pair self ab in
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return @@ E_look_up ab'
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)
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| E_loop ab -> (
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let%bind ab' = bind_map_pair self ab in
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return @@ E_loop ab'
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)
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| E_annotation (e , t) -> (
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let%bind e' = self e in
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return @@ E_annotation (e' , t)
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)
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| E_assign (name , path , e) -> (
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let%bind e' = self e in
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let%bind path' = map_path f path in
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return @@ E_assign (name , path' , e')
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)
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| E_failwith e -> (
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let%bind e' = self e in
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return @@ E_failwith e'
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)
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| E_matching (e , cases) -> (
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let%bind e' = self e in
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let%bind cases' = map_cases f cases in
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return @@ E_matching (e' , cases')
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)
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| E_accessor (e , path) -> (
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let%bind e' = self e in
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let%bind path' = map_path f path in
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return @@ E_accessor (e' , path')
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)
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| E_record m -> (
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let%bind m' = bind_map_smap self m in
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return @@ E_record m'
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)
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| E_constructor (name , e) -> (
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let%bind e' = self e in
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return @@ E_constructor (name , e')
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)
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| E_tuple lst -> (
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let%bind lst' = bind_map_list self lst in
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return @@ E_tuple lst'
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)
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| E_application ab -> (
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let%bind ab' = bind_map_pair self ab in
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return @@ E_application ab'
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)
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| E_let_in { binder ; rhs ; result } -> (
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let%bind rhs = self rhs in
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let%bind result = self result in
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return @@ E_let_in { binder ; rhs ; result }
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)
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| E_lambda { binder ; input_type ; output_type ; result } -> (
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let%bind result = self result in
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return @@ E_lambda { binder ; input_type ; output_type ; result }
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)
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| E_constant (name , lst) -> (
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let%bind lst' = bind_map_list self lst in
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return @@ E_constant (name , lst')
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)
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| E_literal _ | E_variable _ | E_skip as e' -> return e'
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and map_path : mapper -> access_path -> access_path result = fun f p -> bind_map_list (map_access f) p
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and map_access : mapper -> access -> access result = fun f a ->
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match a with
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| Access_map e -> (
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let%bind e' = map_expression f e in
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ok @@ Access_map e'
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)
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| a -> ok a
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and map_cases : mapper -> matching_expr -> matching_expr result = fun f m ->
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match m with
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| Match_bool { match_true ; match_false } -> (
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let%bind match_true = map_expression f match_true in
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let%bind match_false = map_expression f match_false in
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ok @@ Match_bool { match_true ; match_false }
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)
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| Match_list { match_nil ; match_cons = (hd , tl , cons) } -> (
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let%bind match_nil = map_expression f match_nil in
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let%bind cons = map_expression f cons in
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ok @@ Match_list { match_nil ; match_cons = (hd , tl , cons) }
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)
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| Match_option { match_none ; match_some = (name , some) } -> (
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let%bind match_none = map_expression f match_none in
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let%bind some = map_expression f some in
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ok @@ Match_option { match_none ; match_some = (name , some) }
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)
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| Match_tuple (names , e) -> (
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let%bind e' = map_expression f e in
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ok @@ Match_tuple (names , e')
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)
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| Match_variant lst -> (
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let aux ((a , b) , e) =
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let%bind e' = map_expression f e in
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ok ((a , b) , e')
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in
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let%bind lst' = bind_map_list aux lst in
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ok @@ Match_variant lst'
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)
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and map_program : mapper -> program -> program result = fun m p ->
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let aux = fun (x : declaration) ->
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match x with
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| Declaration_constant (t , o , e) -> (
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let%bind e' = map_expression m e in
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ok (Declaration_constant (t , o , e'))
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)
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| Declaration_type _ -> ok x
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in
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bind_map_list (bind_map_location aux) p
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