first executable version of the auto-generation of folds
This commit is contained in:
Suzanne Dupéron
parent
3605768bb0
commit
8b98898dbf
@ -14,3 +14,4 @@ and ta1 =
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and ta2 =
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| Z of ta2
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| W of unit
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@ -1,4 +1,16 @@
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(library
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(rule
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(target fold.ml)
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(deps generator.py)
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(action (with-stdout-to fold.ml (run python3 ./generator.py)))
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(mode (promote (until-clean))))
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; (library
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; (name adt_generator)
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; (public_name ligo.adt_generator)
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; (libraries
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; )
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; )
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(executable
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(name adt_generator)
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(public_name ligo.adt_generator)
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(libraries
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@ -4,67 +4,153 @@ type root' =
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| A' of a'
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| B' of int
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| C' of string
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and a' = {
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and a' =
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{
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a1' : ta1' ;
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a2' : ta2' ;
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}
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and ta1' =
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| X' of root'
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| Y' of ta2'
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and ta2' =
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| Z' of ta2'
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| W' of unit
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type 'state continue_fold = {
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a : a -> 'state -> (a' * 'state) ;
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ta1 : ta1 -> 'state -> (ta1' * 'state) ;
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ta2 : ta2 -> 'state -> (ta2' * 'state) ;
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type 'state continue_fold =
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{
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root : root -> 'state -> (root' * 'state) ;
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root_A : a -> 'state -> (a' * 'state) ;
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root_B : int -> 'state -> (int * 'state) ;
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root_C : string -> 'state -> (string * 'state) ;
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a : a -> 'state -> (a' * 'state) ;
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a_a1 : ta1 -> 'state -> (ta1' * 'state) ;
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a_a2 : ta2 -> 'state -> (ta2' * 'state) ;
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ta1 : ta1 -> 'state -> (ta1' * 'state) ;
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ta1_X : root -> 'state -> (root' * 'state) ;
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ta1_Y : ta2 -> 'state -> (ta2' * 'state) ;
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ta2 : ta2 -> 'state -> (ta2' * 'state) ;
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ta2_Z : ta2 -> 'state -> (ta2' * 'state) ;
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ta2_W : unit -> 'state -> (unit * 'state) ;
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}
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type 'state fold_config = {
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type 'state fold_config =
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{
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root : root -> 'state -> ('state continue_fold) -> (root' * 'state) ;
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root_a : a -> 'state -> ('state continue_fold) -> (a' * 'state) ;
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root_b : int -> 'state -> ('state continue_fold) -> (int * 'state) ;
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root_c : string -> 'state -> ('state continue_fold) -> (string * 'state) ;
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root_A : a -> 'state -> ('state continue_fold) -> (a' * 'state) ;
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root_B : int -> 'state -> ('state continue_fold) -> (int * 'state) ;
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root_C : string -> 'state -> ('state continue_fold) -> (string * 'state) ;
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a : a -> 'state -> ('state continue_fold) -> (a' * 'state) ;
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a_a1 : ta1 -> 'state -> ('state continue_fold) -> (ta1' * 'state) ;
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a_a2 : ta2 -> 'state -> ('state continue_fold) -> (ta2' * 'state) ;
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ta1 : ta1 -> 'state -> ('state continue_fold) -> (ta1' * 'state) ;
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ta1_X : root -> 'state -> ('state continue_fold) -> (root' * 'state) ;
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ta1_Y : ta2 -> 'state -> ('state continue_fold) -> (ta2' * 'state) ;
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ta2 : ta2 -> 'state -> ('state continue_fold) -> (ta2' * 'state) ;
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ta2_Z : ta2 -> 'state -> ('state continue_fold) -> (ta2' * 'state) ;
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ta2_W : unit -> 'state -> ('state continue_fold) -> (unit * 'state) ;
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}
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(* Curries the "visitor" argument to the folds (non-customizable traversal functions). *)
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let rec mk_continue_fold : type state . state fold_config -> state continue_fold = fun visitor ->
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{
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a = fold_a visitor ;
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ta1 = fold_ta1 visitor ;
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ta2 = fold_ta2 visitor ;
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root = fold_root visitor ;
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root_A = fold_root_A visitor ;
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root_B = fold_root_B visitor ;
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root_C = fold_root_C visitor ;
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a = fold_a visitor ;
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a_a1 = fold_a_a1 visitor ;
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a_a2 = fold_a_a2 visitor ;
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ta1 = fold_ta1 visitor ;
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ta1_X = fold_ta1_X visitor ;
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ta1_Y = fold_ta1_Y visitor ;
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ta2 = fold_ta2 visitor ;
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ta2_Z = fold_ta2_Z visitor ;
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ta2_W = fold_ta2_W visitor ;
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}
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and fold_a : type state . state fold_config -> a -> state -> (a' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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match x with
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| { a1; a2 } ->
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let (a1', state) = visitor.ta1 a1 state continue_fold in
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let (a2', state) = visitor.ta2 a2 state continue_fold in
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({ a1'; a2' }, state)
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and fold_ta2 : type state . state fold_config -> ta2 -> state -> (ta2' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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match x with
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| Z v -> let (v, state) = visitor.ta2 v state continue_fold in (Z' v, state)
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and fold_ta1 : type state . state fold_config -> ta1 -> state -> (ta1' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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match x with
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| X v -> let (v, state) = visitor.root v state continue_fold in (X' v , state)
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| Y v -> let (v, state) = visitor.ta2 v state continue_fold in (Y' v , state)
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and fold_root : type state . state fold_config -> root -> state -> (root' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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match x with
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| A v -> let (v, state) = visitor.a v state continue_fold in (A' v , state)
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| B v -> let (v, state) = visitor.root_b v state continue_fold in (B' v , state)
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| C v -> let (v, state) = visitor.root_c v state continue_fold in (C' v , state)
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let no_op = failwith "todo"
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visitor.root x state continue_fold
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and fold_root_A : type state . state fold_config -> a -> state -> (a' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.root_A x state continue_fold
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and fold_root_B : type state . state fold_config -> int -> state -> (int * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.root_B x state continue_fold
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and fold_root_C : type state . state fold_config -> string -> state -> (string * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.root_C x state continue_fold
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and fold_a : type state . state fold_config -> a -> state -> (a' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.a x state continue_fold
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and fold_a_a1 : type state . state fold_config -> ta1 -> state -> (ta1' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.a_a1 x state continue_fold
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and fold_a_a2 : type state . state fold_config -> ta2 -> state -> (ta2' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.a_a2 x state continue_fold
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and fold_ta1 : type state . state fold_config -> ta1 -> state -> (ta1' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.ta1 x state continue_fold
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and fold_ta1_X : type state . state fold_config -> root -> state -> (root' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.ta1_X x state continue_fold
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and fold_ta1_Y : type state . state fold_config -> ta2 -> state -> (ta2' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.ta1_Y x state continue_fold
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and fold_ta2 : type state . state fold_config -> ta2 -> state -> (ta2' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.ta2 x state continue_fold
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and fold_ta2_Z : type state . state fold_config -> ta2 -> state -> (ta2' * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.ta2_Z x state continue_fold
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and fold_ta2_W : type state . state fold_config -> unit -> state -> (unit * state) = fun visitor x state ->
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let continue_fold : state continue_fold = mk_continue_fold visitor in
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visitor.ta2_W x state continue_fold
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let no_op : 'a fold_config = {
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root = (fun v state continue ->
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match v with
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| A v -> let (v, state) = continue.root_A v state in (A' v, state)
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| B v -> let (v, state) = continue.root_B v state in (B' v, state)
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| C v -> let (v, state) = continue.root_C v state in (C' v, state)
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);
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root_A = (fun v state continue -> continue.a v state ) ;
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root_B = (fun v state continue -> ignore continue; (v, state) ) ;
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root_C = (fun v state continue -> ignore continue; (v, state) ) ;
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a = (fun v state continue ->
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match v with
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{ a1; a2; } ->
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let (a1', state) = continue.a_a1 a1 state in
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let (a2', state) = continue.a_a2 a2 state in
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({ a1'; a2'; }, state)
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);
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a_a1 = (fun v state continue -> continue.ta1 v state ) ;
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a_a2 = (fun v state continue -> continue.ta2 v state ) ;
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ta1 = (fun v state continue ->
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match v with
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| X v -> let (v, state) = continue.ta1_X v state in (X' v, state)
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| Y v -> let (v, state) = continue.ta1_Y v state in (Y' v, state)
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);
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ta1_X = (fun v state continue -> continue.root v state ) ;
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ta1_Y = (fun v state continue -> continue.ta2 v state ) ;
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ta2 = (fun v state continue ->
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match v with
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| Z v -> let (v, state) = continue.ta2_Z v state in (Z' v, state)
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| W v -> let (v, state) = continue.ta2_W v state in (W' v, state)
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);
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ta2_Z = (fun v state continue -> continue.ta2 v state ) ;
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ta2_W = (fun v state continue -> ignore continue; (v, state) ) ;
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}
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@ -1,3 +1,4 @@
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moduleName = "A"
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adts = [
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# typename, variant?, fields_or_ctors
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("root", True, [
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@ -16,56 +17,168 @@ adts = [
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]),
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("ta2", True, [
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("Z", False, "ta2"),
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("W", True, "unit"),
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]),
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]
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print "type 'state fold_config = {"
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for (t, is_variant, ctors) in adts:
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tt = ("%s'" % (t,)) # output type t'
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print (" %s : %s -> 'state -> ('state continue_fold) -> (%s * 'state) ;" % (t, t, tt))
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for (c, builtin, ct,) in ctors:
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if builtin:
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ctt = ct # TODO: use a wrapper instead of a' for the intermediate steps, and target a different type a' just to change what the output type is
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else:
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ctt = ("%s'" % (ct,))
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print (" %s_%s : %s -> 'state -> ('state continue_fold) -> (%s * 'state) ;" % (t, c, ct, ctt))
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print " }"
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print ""
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from collections import namedtuple
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adt = namedtuple('adt', ['name', 'newName', 'isVariant', 'ctorsOrFields'])
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ctorOrField = namedtuple('ctorOrField', ['name', 'newName', 'isBuiltin', 'type_', 'newType'])
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adts = [
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adt(
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name = name,
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newName = f"{name}'",
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isVariant = isVariant,
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ctorsOrFields = [
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ctorOrField(
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name = cf,
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newName = f"{cf}'",
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isBuiltin = isBuiltin,
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type_ = type_,
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newType = type_ if isBuiltin else f"{type_}'",
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)
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for (cf, isBuiltin, type_) in ctors
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],
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)
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for (name, isVariant, ctors) in adts
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]
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print "let rec mk_continue_fold : type state . state fold_config -> state continue_fold = fun visitor ->"
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print " {"
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for (t, is_variant, ctors) in adts:
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print (" %s = fold_%s visitor ;" % (t, t))
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print " }"
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print ""
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print("open %s" % moduleName)
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for (t, is_variant, ctors) in adts:
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v = t # visitor field
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tt = ("%s'" % (t,)) # output type t'
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print ("and fold_%s : type state . state fold_config -> %s -> state -> (%s * state) = fun visitor x state ->" % (t, t, tt,))
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print " let continue_fold : state continue_fold = mk_continue_fold visitor in"
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print " match x with"
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if is_variant:
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for (c, builtin, ct,) in ctors:
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cc = ("%s'" % (c,))
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print (" | %s v ->" % (c,))
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print (" let (v, state) = visitor.%s_%s v state continue_fold in" % (t, c,))
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if not builtin:
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print (" let (v, state) = visitor.%s v state continue_fold in" % (ct,))
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print (" (%s v, state)" % (cc,))
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print("")
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for (index, t) in enumerate(adts):
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typeOrAnd = "type" if index == 0 else "and"
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print(f"{typeOrAnd} {t.newName} =")
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if t.isVariant:
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for c in t.ctorsOrFields:
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print(f" | {c.newName} of {c.newType}")
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else:
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print " | {"
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for (f, builtin, ft,) in ctors:
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print (" %s;" % (f,))
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print " } ->"
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for (f, builtin, ft,) in ctors:
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ff = ("%s'" % (f,))
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print (" let (%s, state) = visitor.%s_%s %s state continue_fold in" % (f, t, f, f,))
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if not builtin:
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print (" let (%s, state) = visitor.%s %s state continue_fold in" % (ff, ft, f,))
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print " ({"
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for (f, builtin, ft,) in ctors:
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ff = ("%s'" % (f,))
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print (" %s;" % (ff,))
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print " }, state)"
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print ""
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print(" {")
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for f in t.ctorsOrFields:
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print(f" {f.newName} : {f.newType} ;")
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print(" }")
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# print("")
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# print("type 'state continue_fold =")
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# print(" {")
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# for t in adts:
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# print(f" {t.name} : {t.name} -> 'state -> ({t.newName} * 'state) ;")
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# print(" }")
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def folder(name, extraArgs):
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print("")
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print(f"type 'state {name} =")
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print(" {")
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for t in adts:
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print(f" {t.name} : {t.name} -> 'state{extraArgs} -> ({t.newName} * 'state) ;")
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for c in t.ctorsOrFields:
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print(f" {t.name}_{c.name} : {c.type_} -> 'state{extraArgs} -> ({c.newType} * 'state) ;")
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print(" }")
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folder("continue_fold", "")
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folder("fold_config", " -> ('state continue_fold)")
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print("")
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print('(* Curries the "visitor" argument to the folds (non-customizable traversal functions). *)')
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print("let rec mk_continue_fold : type state . state fold_config -> state continue_fold = fun visitor ->")
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print(" {")
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for t in adts:
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print(f" {t.name} = fold_{t.name} visitor ;")
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for c in t.ctorsOrFields:
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print(f" {t.name}_{c.name} = fold_{t.name}_{c.name} visitor ;")
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print("}")
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print("")
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for t in adts:
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print(f"and fold_{t.name} : type state . state fold_config -> {t.name} -> state -> ({t.newName} * state) = fun visitor x state ->")
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print(" let continue_fold : state continue_fold = mk_continue_fold visitor in")
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print(f" visitor.{t.name} x state continue_fold")
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print("")
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for c in t.ctorsOrFields:
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print(f"and fold_{t.name}_{c.name} : type state . state fold_config -> {c.type_} -> state -> ({c.newType} * state) = fun visitor x state ->")
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print(" let continue_fold : state continue_fold = mk_continue_fold visitor in")
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print(f" visitor.{t.name}_{c.name} x state continue_fold")
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print("")
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# print(" match x with")
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# if t.isVariant:
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# for c in t.ctorsOrFields:
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# print(f" | {c.name} v ->")
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# print(f" let (v', state) = visitor.{t.name}_{c.name} v state continue_fold in")
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# print(f" ({c.newName} v', state)")
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# else:
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# print(" | {", end=' ')
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# for f in t.ctorsOrFields:
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# print(f"{f.name};", end=' ')
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# print("} ->")
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# for f in t.ctorsOrFields:
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# print(f" let ({f.newName}, state) = visitor.{t.name}_{f.name} {f.name} state continue_fold in")
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# print(" ({", end=' ')
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# for f in t.ctorsOrFields:
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# print(f"{f.newName};", end=' ')
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# print("}, state)")
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# print("")
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# for c in t.ctorsOrFields:
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# print(f"and fold_{t.name}_{c.name} : type state . state fold_config -> {c.type_} -> state -> ({c.newType} * state) = fun visitor x state ->")
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# if c.isBuiltin:
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# print(" ignore visitor; (x, state)")
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# else:
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# print(" let continue_fold : state continue_fold = mk_continue_fold visitor in")
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# print(f" visitor.{c.type_} x state continue_fold")
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# print("")
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# print """let no_op : ('a -> unit) -> 'a fold_config = fun phantom -> failwith "todo" """
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|
||||
print("let no_op : 'a fold_config = {")
|
||||
for t in adts:
|
||||
print(f" {t.name} = (fun v state continue ->")
|
||||
print(" match v with")
|
||||
if t.isVariant:
|
||||
for c in t.ctorsOrFields:
|
||||
print(f" | {c.name} v -> let (v, state) = continue.{t.name}_{c.name} v state in ({c.newName} v, state)")
|
||||
else:
|
||||
print(" {", end=' ')
|
||||
for f in t.ctorsOrFields:
|
||||
print(f"{f.name};", end=' ')
|
||||
print("} ->")
|
||||
for f in t.ctorsOrFields:
|
||||
print(f" let ({f.newName}, state) = continue.{t.name}_{f.name} {f.name} state in")
|
||||
print(" ({", end=' ')
|
||||
for f in t.ctorsOrFields:
|
||||
print(f"{f.newName};", end=' ')
|
||||
print("}, state)")
|
||||
print(" );")
|
||||
for c in t.ctorsOrFields:
|
||||
print(f" {t.name}_{c.name} = (fun v state continue ->", end=' ')
|
||||
if c.isBuiltin:
|
||||
print("ignore continue; (v, state)", end=' ')
|
||||
else:
|
||||
print(f"continue.{c.type_} v state", end=' ')
|
||||
print(") ;")
|
||||
print("}")
|
||||
|
||||
|
||||
# (fun v state continue ->
|
||||
# let (new_v, new_state) = match v with
|
||||
# | A v -> let (v, state) = continue.a v state in (A' v, state)
|
||||
# | B v -> let (v, state) = (fun x s -> (x,s)) v state in (B' v, state)
|
||||
# | C v -> let (v, state) = (fun x s -> (x,s)) v state in (C' v, state)
|
||||
# in
|
||||
# (new_v, new_state)
|
||||
# );
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
# if not builtin:
|
||||
# print (" let (v', state) = match v' with None -> visitor.%s v state continue_fold | Some v' -> (v', state) in" % (ct,))
|
||||
# else:
|
||||
# print " let Some v' = v' in"
|
||||
|
||||
# if not builtin:
|
||||
# print (" let (%s, state) = match %s with None -> visitor.%s %s state continue_fold | Some v' -> (v', state) in" % (ff, ff, ft, f))
|
||||
# else:
|
||||
# print " let Some v' = v' in"
|
||||
|
||||
@ -2,7 +2,7 @@ open A
|
||||
open Fold
|
||||
|
||||
let _ =
|
||||
let some_root = ((failwith "assume we have some root") : root) in
|
||||
let some_root : root = A { a1 = X (A { a1 = X (B 1) ; a2 = W () ; }) ; a2 = Z (W ()) ; } in
|
||||
let op = {
|
||||
no_op with
|
||||
a = fun the_a state continue_fold ->
|
||||
@ -11,8 +11,12 @@ let _ =
|
||||
({
|
||||
a1' = a1' ;
|
||||
a2' = a2' ;
|
||||
}, state'')
|
||||
}, state'' + 1)
|
||||
} in
|
||||
let state = () in
|
||||
fold_root op some_root state
|
||||
let state = 0 in
|
||||
let (_, state) = fold_root op some_root state in
|
||||
Printf.printf "trilili %d" state
|
||||
|
||||
|
||||
let _noi : int fold_config = no_op (* (fun _ -> ()) *)
|
||||
let _nob : bool fold_config = no_op (* (fun _ -> ()) *)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user