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Channel vector generation from Scribble protocol
(*
module fase16.adder.Adder;
type <ocaml> "int" from "stdlib" as Int;
global protocol Adder(role C, role S)
{
choice at C
{
Add(Int, Int) from C to S;
Res(Int) from S to C;
do Adder(C, S);
}
or
{
Bye() from C to S;
Bye() from S to C;
}
}
*)
type 'a ex = Ex : ('v LwtChannel.t * ('v -> 'a)) -> 'a ex
(*
unit ->
< c : < s : < add : (int * int) LwtChannel.t *
[> `S of [> `res of int * 'a ] ] ex list;
bye : unit LwtChannel.t *
[> `S of [> `bye of unit * close sess ] ] ex list > >
lazy_t as 'a;
s : [> `C of
[> `add of
(int * int) * < c : < res : int LwtChannel.t * 'b > > lazy_t
| `bye of
unit *
< c : < bye : unit LwtChannel.t * close sess > > lazy_t ] ]
ex list as 'b >
*)
let gen () =
let open LwtChannel in
let open Lwt in
let kCS_Add : (int * int) LwtChannel.t = create () in
let kCS_Bye : unit LwtChannel.t = create () in
let kSC_Bye : unit LwtChannel.t = create () in
let kSC_Res : int LwtChannel.t = create () in
let rec adderC_1 = (lazy (object
method s = object
method add = kCS_Add, adderC_4
method bye = kCS_Bye, adderC_6
end
end))
and adderS_2 = [
Ex (kCS_Add, (fun x -> `C (`add(x, adderS_3))));
Ex (kCS_Bye, (fun x -> `C (`bye(x, adderS_5))));
]
and adderS_3 = (lazy (object
method c = object
method res = kSC_Res, adderS_2
end
end))
and adderC_4 = [
Ex (kSC_Res, (fun x -> `S (`res(x, adderC_1))));
]
and adderS_5 = (lazy (object
method c = object
method bye = kSC_Bye, adderS_7
end
end))
and adderC_6 = [
Ex (kSC_Bye, (fun x -> `S (`bye(x, adderC_8))));
]
and adderC_8 = Close
and adderS_7 = Close
in
let vector = object
method c = adderC_1
method s = adderS_2
end in
vector
(*
module Simple;
type <java> "java.lang.String" from "rt.jar" as String;
type <java> "java.lang.Integer" from "rt.jar" as Int;
global protocol Simple(role A, role B, role C)
{
msg(String) from C to A;
choice at A {
left(String) from A to B;
right(Int) from B to C;
msg(String) from B to A;
} or {
right(String) from A to B;
msg(String) from B to A;
left(Int) from B to C;
msg(String) from C to A;
}
}
*)
type 'a ex = Ex : ('v LwtChannel.t * ('v -> 'a)) -> 'a ex
(*
unit ->
< a : [> `C of
[> `msg of
string *
< b : < left : string LwtChannel.t *
[> `B of [> `msg of int * close sess ] ] ex
list;
right : string LwtChannel.t *
[> `B of
[> `msg of
string *
[> `C of
[> `msg of string * close sess ] ]
ex list ] ]
ex list > >
lazy_t ] ]
ex list;
b : [> `A of
[> `left of
string *
< c : < right : int LwtChannel.t *
< a : < msg : int LwtChannel.t * close sess > >
lazy_t > >
lazy_t
| `right of
string *
< a : < msg : string LwtChannel.t *
< c : < left : int LwtChannel.t * close sess > >
lazy_t > >
lazy_t ] ]
ex list;
c : < a : < msg : string LwtChannel.t *
[> `B of
[> `left of
int *
< a : < msg : string LwtChannel.t * close sess > >
lazy_t
| `right of int * close sess ] ]
ex list > >
lazy_t >
*)
let gen () =
let open LwtChannel in
let open Lwt in
let kAB_left : string LwtChannel.t = create () in
let kAB_right : string LwtChannel.t = create () in
let kBA_msg : int LwtChannel.t = create () in
let kBA_msg1 : string LwtChannel.t = create () in
let kBC_left : int LwtChannel.t = create () in
let kBC_right : int LwtChannel.t = create () in
let kCA_msg : string LwtChannel.t = create () in
let kCA_msg1 : string LwtChannel.t = create () in
let rec simpleC_1 = (lazy (object
method a = object
method msg = kCA_msg, simpleC_6
end
end))
and simpleA_2 = [
Ex (kCA_msg, (fun x -> `C (`msg(x, simpleA_3))));
]
and simpleA_3 = (lazy (object
method b = object
method left = kAB_left, simpleA_8
method right = kAB_right, simpleA_10
end
end))
and simpleB_4 = [
Ex (kAB_left, (fun x -> `A (`left(x, simpleB_5))));
Ex (kAB_right, (fun x -> `A (`right(x, simpleB_9))));
]
and simpleB_5 = (lazy (object
method c = object
method right = kBC_right, simpleB_7
end
end))
and simpleC_6 = [
Ex (kBC_right, (fun x -> `B (`right(x, simpleC_14))));
Ex (kBC_left, (fun x -> `B (`left(x, simpleC_12))));
]
and simpleB_7 = (lazy (object
method a = object
method msg = kBA_msg, simpleB_15
end
end))
and simpleA_8 = [
Ex (kBA_msg, (fun x -> `B (`msg(x, simpleA_16))));
]
and simpleB_9 = (lazy (object
method a = object
method msg = kBA_msg1, simpleB_11
end
end))
and simpleA_10 = [
Ex (kBA_msg1, (fun x -> `B (`msg(x, simpleA_13))));
]
and simpleB_11 = (lazy (object
method c = object
method left = kBC_left, simpleB_15
end
end))
and simpleC_12 = (lazy (object
method a = object
method msg = kCA_msg1, simpleC_14
end
end))
and simpleA_13 = [
Ex (kCA_msg1, (fun x -> `C (`msg(x, simpleA_16))));
]
and simpleB_15 = Close
and simpleC_14 = Close
and simpleA_16 = Close
in
let vector = object
method b = simpleB_4
method c = simpleC_1
method a = simpleA_2
end in
vector
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