ligo/compiler/compiler_environment.ml
2019-05-12 20:57:30 +00:00

278 lines
8.8 KiB
OCaml

open Trace
open Mini_c
open Environment
open Micheline.Michelson
open Memory_proto_alpha.Script_ir_translator
module Stack = Meta_michelson.Stack
let get : environment -> string -> michelson result = fun e s ->
let%bind (type_value , position) =
let error =
let title () = "Environment.get" in
let content () = Format.asprintf "%s in %a"
s PP.environment e in
error title content in
generic_try error @@
(fun () -> Environment.get_i s e) in
let rec aux = fun n ->
match n with
| 0 -> i_dup
| n -> seq [
dip @@ aux (n - 1) ;
i_swap ;
]
in
let code = aux position in
let%bind () =
let error () = ok @@ simple_error "error producing Env.get" in
let%bind (Stack.Ex_stack_ty input_stack_ty) = Compiler_type.Ty.environment e in
let%bind (Ex_ty ty) = Compiler_type.Ty.type_ type_value in
let output_stack_ty = Stack.(ty @: input_stack_ty) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let set : environment -> string -> michelson result = fun e s ->
let%bind (type_value , position) =
generic_try (simple_error "Environment.get") @@
(fun () -> Environment.get_i s e) in
let rec aux = fun n ->
match n with
| 0 -> dip i_drop
| n -> seq [
i_swap ;
dip (aux (n - 1)) ;
]
in
let code = aux position in
let%bind () =
let error () = ok @@ simple_error "error producing Env.set" in
let%bind (Stack.Ex_stack_ty env_stack_ty) = Compiler_type.Ty.environment e in
let%bind (Ex_ty ty) = Compiler_type.Ty.type_ type_value in
let input_stack_ty = Stack.(ty @: env_stack_ty) in
let output_stack_ty = env_stack_ty in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let add : environment -> (string * type_value) -> michelson result = fun e (_s , type_value) ->
let code = seq [] in
let%bind () =
let error () = ok @@ simple_error "error producing Env.get" in
let%bind (Stack.Ex_stack_ty env_stack_ty) = Compiler_type.Ty.environment e in
let%bind (Ex_ty ty) = Compiler_type.Ty.type_ type_value in
let input_stack_ty = Stack.(ty @: env_stack_ty) in
let output_stack_ty = Stack.(ty @: env_stack_ty) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let select : environment -> string list -> michelson result = fun e lst ->
let module L = Logger.Stateful() in
let e_lst =
let e_lst = Environment.to_list e in
let aux selector (s , _) =
L.log @@ Format.asprintf "Selector : %a\n" PP_helpers.(list_sep string (const " , ")) selector ;
match List.mem s selector with
| true -> List.remove_element s selector , true
| false -> selector , false in
let e_lst' = List.fold_map_right aux lst e_lst in
let e_lst'' = List.combine e_lst e_lst' in
e_lst'' in
let code =
let aux = fun code (_ , b) ->
match b with
| false -> seq [dip code ; i_drop]
| true -> dip code
in
List.fold_right' aux (seq []) e_lst in
let%bind () =
let%bind (Stack.Ex_stack_ty input_stack_ty) = Compiler_type.Ty.environment e in
let e' =
Environment.of_list
@@ List.map fst
@@ List.filter snd
@@ e_lst
in
let%bind (Stack.Ex_stack_ty output_stack_ty) = Compiler_type.Ty.environment e' in
let error () =
let title () = "error producing Env.select" in
let content () = Format.asprintf "\nInput : %a\nOutput : %a\nList : {%a}\nCode : %a\nLog : %s\n"
PP.environment e
PP.environment e'
PP_helpers.(list_sep (pair PP.environment_element bool) (const " || ")) e_lst
Micheline.Michelson.pp code
(L.get ())
in
ok @@ (error title content) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let clear : environment -> michelson result = fun e -> select e []
let select_env : environment -> environment -> michelson result = fun e e' ->
let lst = Environment.get_names e' in
select e lst
let pack : environment -> michelson result = fun e ->
let%bind () =
trace_strong (simple_error "pack empty env") @@
Assert.assert_true (List.length e <> 0) in
let code = seq @@ List.map (Function.constant i_pair) @@ List.tl e in
let%bind () =
let%bind (Stack.Ex_stack_ty input_stack_ty) = Compiler_type.Ty.environment e in
let repr = Environment.closure_representation e in
let%bind (Ex_ty output_ty) = Compiler_type.Ty.type_ repr in
let output_stack_ty = Stack.(output_ty @: nil) in
let error () =
let title () = "error producing Env.pack" in
let content () = Format.asprintf ""
in
ok @@ (error title content) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let unpack : environment -> michelson result = fun e ->
let%bind () =
trace_strong (simple_error "unpack empty env") @@
Assert.assert_true (List.length e <> 0) in
let l = List.length e - 1 in
let rec aux n =
match n with
| 0 -> seq []
| n -> seq [
i_unpair ;
dip (aux (n - 1)) ;
] in
let code = aux l in
let%bind () =
let%bind (Stack.Ex_stack_ty output_stack_ty) = Compiler_type.Ty.environment e in
let repr = Environment.closure_representation e in
let%bind (Ex_ty input_ty) = Compiler_type.Ty.type_ repr in
let input_stack_ty = Stack.(input_ty @: nil) in
let error () =
let title () = "error producing Env.unpack" in
let content () = Format.asprintf "\nEnvironment:%a\nType Representation:%a\nCode:%a\n"
PP.environment e
PP.type_ repr
Micheline.Michelson.pp code
in
ok @@ (error title content) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let pack_select : environment -> string list -> michelson result = fun e lst ->
let module L = Logger.Stateful() in
let e_lst =
let e_lst = Environment.to_list e in
let aux selector (s , _) =
L.log @@ Format.asprintf "Selector : %a\n" PP_helpers.(list_sep string (const " , ")) selector ;
match List.mem s selector with
| true -> List.remove_element s selector , true
| false -> selector , false in
let e_lst' = List.fold_map_right aux lst e_lst in
let e_lst'' = List.combine e_lst e_lst' in
e_lst'' in
let (_ , code) =
let aux = fun (first , code) (_ , b) ->
match b with
| false -> (first , seq [dip code ; i_swap])
| true -> (false ,
match first with
| true -> i_dup
| false -> seq [dip code ; i_dup ; dip i_pair ; i_swap]
)
in
List.fold_right' aux (true , seq []) e_lst in
let%bind () =
let%bind (Stack.Ex_stack_ty input_stack_ty) = Compiler_type.Ty.environment e in
let e' =
Environment.of_list
@@ List.map fst
@@ List.filter snd
@@ e_lst
in
let%bind (Ex_ty output_ty) = Compiler_type.Ty.environment_representation e' in
let output_stack_ty = Stack.(output_ty @: input_stack_ty) in
let error () =
let title () = "error producing Env.pack_select" in
let content () = Format.asprintf "\nInput : %a\nOutput : %a\nList : {%a}\nCode : %a\nLog : %s\n"
PP.environment e
PP.environment e'
PP_helpers.(list_sep (pair PP.environment_element bool) (const " || ")) e_lst
Micheline.Michelson.pp code
(L.get ())
in
ok @@ (error title content) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code
let add_packed_anon : environment -> type_value -> michelson result = fun e type_value ->
let code = seq [i_pair] in
let%bind () =
let error () = ok @@ simple_error "error producing add packed" in
let%bind (Ex_ty input_ty) = Compiler_type.Ty.environment_representation e in
let e' = Environment.add ("_add_packed_anon" , type_value) e in
let%bind (Ex_ty output_ty) = Compiler_type.Ty.environment_representation e' in
let%bind (Ex_ty ty) = Compiler_type.Ty.type_ type_value in
let input_stack_ty = Stack.(ty @: input_ty @: nil) in
let output_stack_ty = Stack.(output_ty @: nil) in
let%bind _ =
Trace.trace_tzresult_lwt_r error @@
Memory_proto_alpha.parse_michelson code
input_stack_ty output_stack_ty in
ok ()
in
ok code