1388 lines
53 KiB
OCaml
1388 lines
53 KiB
OCaml
open Trace
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open Ast_simplified
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module Raw = Parser.Pascaligo.AST
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module SMap = Map.String
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module ParserLog = Parser_pascaligo.ParserLog
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open Combinators
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let nseq_to_list (hd, tl) = hd :: tl
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let npseq_to_list (hd, tl) = hd :: (List.map snd tl)
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let pseq_to_list = function
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None -> []
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| Some lst -> npseq_to_list lst
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let get_value : 'a Raw.reg -> 'a = fun x -> x.value
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and repair_mutable_variable_in_matching (for_body : expression) (element_names : expression_variable list) (env : expression_variable) =
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let%bind captured_names = Self_ast_simplified.fold_map_expression
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(* TODO : these should use Variables sets *)
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(fun (decl_var,free_var : expression_variable list * expression_variable list) (ass_exp : expression) ->
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match ass_exp.expression_content with
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| E_let_in {let_binder;mut=false;rhs;let_result} ->
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let (name,_) = let_binder in
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ok (true,(name::decl_var, free_var),e_let_in let_binder false false rhs let_result)
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| E_let_in {let_binder;mut=true; rhs;let_result} ->
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let (name,_) = let_binder in
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if List.mem name decl_var then
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ok (true,(decl_var, free_var), e_let_in let_binder false false rhs let_result)
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else(
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let free_var = if (List.mem name free_var) then free_var else name::free_var in
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let expr = e_let_in (env,None) false false (e_update (e_variable env) (Var.to_name name) (e_variable name)) let_result in
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ok (true,(decl_var, free_var), e_let_in let_binder false false rhs expr)
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)
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| E_variable name ->
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if List.mem name decl_var || List.mem name free_var || Var.equal name env then
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ok (true,(decl_var, free_var), e_variable name)
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else
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ok (true, (decl_var, name::free_var), e_variable name)
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| E_constant {cons_name=C_MAP_FOLD;arguments= _}
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| E_constant {cons_name=C_SET_FOLD;arguments= _}
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| E_constant {cons_name=C_LIST_FOLD;arguments= _}
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| E_matching _ -> ok @@ (false, (decl_var,free_var),ass_exp)
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| _ -> ok (true, (decl_var, free_var),ass_exp)
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)
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(element_names,[])
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for_body in
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ok @@ captured_names
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and repair_mutable_variable_in_loops (for_body : expression) (element_names : expression_variable list) (env : expression_variable) =
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let%bind captured_names = Self_ast_simplified.fold_map_expression
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(* TODO : these should use Variables sets *)
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(fun (decl_var,free_var : expression_variable list * expression_variable list) (ass_exp : expression) ->
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match ass_exp.expression_content with
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| E_let_in {let_binder;mut=false;rhs;let_result} ->
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let (name,_) = let_binder in
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ok (true,(name::decl_var, free_var),e_let_in let_binder false false rhs let_result)
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| E_let_in {let_binder;mut=true; rhs;let_result} ->
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let (name,_) = let_binder in
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if List.mem name decl_var then
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ok (true,(decl_var, free_var), e_let_in let_binder false false rhs let_result)
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else(
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let free_var = if (List.mem name free_var) then free_var else name::free_var in
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let expr = e_let_in (env,None) false false (
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e_update (e_variable env) ("0")
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(e_update (e_accessor (e_variable env) "0") (Var.to_name name) (e_variable name))
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)
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let_result in
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ok (true,(decl_var, free_var), e_let_in let_binder false false rhs expr)
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)
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| E_variable name ->
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if List.mem name decl_var || List.mem name free_var || Var.equal name env then
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ok (true,(decl_var, free_var), e_variable name)
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else
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ok (true,(decl_var, name::free_var), e_variable name)
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| E_constant {cons_name=C_MAP_FOLD;arguments= _}
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| E_constant {cons_name=C_SET_FOLD;arguments= _}
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| E_constant {cons_name=C_LIST_FOLD;arguments= _}
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| E_matching _ -> ok @@ (false,(decl_var,free_var),ass_exp)
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| _ -> ok (true,(decl_var, free_var),ass_exp)
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)
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(element_names,[])
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for_body in
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ok @@ captured_names
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and store_mutable_variable (free_vars : expression_variable list) =
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if (List.length free_vars == 0) then
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e_unit ()
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else
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let aux var = (Var.to_name var, e_variable var) in
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e_record_ez (List.map aux free_vars)
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and restore_mutable_variable (expr : expression->expression) (free_vars : expression_variable list) (env :expression_variable) =
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let aux (f:expression -> expression) (ev:expression_variable) =
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ok @@ fun expr -> f (e_let_in (ev,None) true false (e_accessor (e_variable env) (Var.to_name ev)) expr)
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in
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let%bind ef = bind_fold_list aux (fun e -> e) free_vars in
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ok @@ fun expr'_opt -> match expr'_opt with
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| None -> ok @@ expr (ef (e_skip ()))
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| Some expr' -> ok @@ expr (ef expr')
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module Errors = struct
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let unsupported_cst_constr p =
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let title () = "" in
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let message () =
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Format.asprintf "\nConstant constructors are not supported yet.\n" in
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let pattern_loc = Raw.pattern_to_region p in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ pattern_loc)
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] in
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error ~data title message
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let unknown_predefined_type name =
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let title () = "\nType constants" in
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let message () =
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Format.asprintf "Unknown predefined type \"%s\".\n" name.Region.value in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ name.Region.region)
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] in
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error ~data title message
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let unsupported_non_var_pattern p =
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let title () = "" in
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let message () =
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Format.asprintf "\nNon-variable patterns in constructors \
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are not supported yet.\n" in
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let pattern_loc = Raw.pattern_to_region p in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ pattern_loc)
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] in
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error ~data title message
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let only_constructors p =
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let title () = "" in
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let message () =
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Format.asprintf "\nCurrently, only constructors \
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are supported in patterns.\n" in
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let pattern_loc = Raw.pattern_to_region p in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ pattern_loc)
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] in
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error ~data title message
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let unsupported_tuple_pattern p =
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let title () = "" in
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let message () =
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Format.asprintf "\nTuple patterns are not supported yet.\n" in
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let pattern_loc = Raw.pattern_to_region p in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ pattern_loc) ;
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(** TODO: The labelled arguments should be flowing from the CLI. *)
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("pattern",
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fun () -> ParserLog.pattern_to_string
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~offsets:true ~mode:`Point p)
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] in
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error ~data title message
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let unsupported_deep_Some_patterns pattern =
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let title () = "" in
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let message () =
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Format.asprintf "\nCurrently, only variables in constructors \
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\"Some\" in patterns are supported.\n" in
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let pattern_loc = Raw.pattern_to_region pattern in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ pattern_loc)
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] in
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error ~data title message
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let unsupported_deep_list_patterns cons =
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let title () = "" in
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let message () =
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Format.asprintf "\nCurrently, only empty lists and x::y \
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are supported in patterns.\n" in
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let data = [
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("location",
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fun () -> Format.asprintf "%a" Location.pp_lift @@ cons.Region.region)
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] in
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error ~data title message
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(* Logging *)
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let simplifying_instruction t =
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let title () = "\nSimplifiying instruction" in
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let message () = "" in
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(** TODO: The labelled arguments should be flowing from the CLI. *)
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let data = [
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("instruction",
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fun () -> ParserLog.instruction_to_string
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~offsets:true ~mode:`Point t)
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] in
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error ~data title message
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end
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open Errors
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open Operators.Simplify.Pascaligo
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let r_split = Location.r_split
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(* Statements can't be simplified in isolation. [a ; b ; c] can get
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simplified either as [let x = expr in (b ; c)] if [a] is a [const x
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= expr] declaration or as [sequence(a, sequence(b, c))] for
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everything else. Because of this, simplifying sequences depend on
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their contents. To avoid peeking in their contents, we instead
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simplify sequences elements as functions from their next elements
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to the actual result.
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For [return_let_in], if there is no follow-up element, an error is
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triggered, as you can't have [let x = expr in ...] with no [...]. A
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cleaner option might be to add a [unit] instead of failing.
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[return_statement] is used for non-let-in statements.
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*)
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let return_let_in ?loc binder mut inline rhs = ok @@ fun expr'_opt ->
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match expr'_opt with
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| None -> ok @@ e_let_in ?loc binder mut inline rhs (e_skip ())
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| Some expr' -> ok @@ e_let_in ?loc binder mut inline rhs expr'
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let return_statement expr = ok @@ fun expr'_opt ->
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match expr'_opt with
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| None -> ok @@ expr
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| Some expr' -> ok @@ e_sequence expr expr'
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let rec simpl_type_expression (t:Raw.type_expr) : type_expression result =
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match t with
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TPar x -> simpl_type_expression x.value.inside
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| TVar v -> (
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match type_constants v.value with
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| Ok (s,_) -> ok @@ make_t @@ T_constant s
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| Error _ -> ok @@ make_t @@ T_variable (Var.of_name v.value)
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)
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| TFun x -> (
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let%bind (a , b) =
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let (a , _ , b) = x.value in
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bind_map_pair simpl_type_expression (a , b) in
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ok @@ make_t @@ T_arrow {type1=a;type2=b}
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)
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| TApp x ->
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let (name, tuple) = x.value in
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let lst = npseq_to_list tuple.value.inside in
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let%bind lst =
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bind_list @@ List.map simpl_type_expression lst in (** TODO: fix constant and operator*)
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let%bind cst =
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trace (unknown_predefined_type name) @@
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type_operators name.value in
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t_operator cst lst
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| TProd p ->
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let%bind tpl = simpl_list_type_expression
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@@ npseq_to_list p.value in
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ok tpl
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| TRecord r ->
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let aux = fun (x, y) ->
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let%bind y = simpl_type_expression y in
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ok (x, y)
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in
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let apply =
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fun (x:Raw.field_decl Raw.reg) -> (x.value.field_name.value, x.value.field_type) in
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let%bind lst = bind_list
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@@ List.map aux
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@@ List.map apply
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@@ npseq_to_list r.value.ne_elements in
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let m = List.fold_left (fun m (x, y) -> LMap.add (Label x) y m) LMap.empty lst in
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ok @@ make_t @@ T_record m
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| TSum s ->
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let aux (v:Raw.variant Raw.reg) =
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let args =
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match v.value.arg with
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None -> []
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| Some (_, TProd product) -> npseq_to_list product.value
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| Some (_, t_expr) -> [t_expr] in
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let%bind te = simpl_list_type_expression @@ args in
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ok (v.value.constr.value, te)
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in
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let%bind lst = bind_list
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@@ List.map aux
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@@ npseq_to_list s.value in
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let m = List.fold_left (fun m (x, y) -> CMap.add (Constructor x) y m) CMap.empty lst in
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ok @@ make_t @@ T_sum m
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and simpl_list_type_expression (lst:Raw.type_expr list) : type_expression result =
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match lst with
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| [] -> ok @@ t_unit
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| [hd] -> simpl_type_expression hd
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| lst ->
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let%bind lst = bind_list @@ List.map simpl_type_expression lst in
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ok @@ t_tuple lst
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let simpl_projection : Raw.projection Region.reg -> _ = fun p ->
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let (p' , loc) = r_split p in
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let var =
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let name = Var.of_name p'.struct_name.value in
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e_variable name in
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let path = p'.field_path in
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let path' =
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let aux (s:Raw.selection) =
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match s with
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| FieldName property -> property.value
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| Component index -> (Z.to_string (snd index.value))
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in
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List.map aux @@ npseq_to_list path in
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ok @@ List.fold_left (e_accessor ~loc) var path'
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let rec simpl_expression (t:Raw.expr) : expr result =
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let return x = ok x in
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match t with
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| EAnnot a -> (
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let ((expr , type_expr) , loc) = r_split a in
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let%bind expr' = simpl_expression expr in
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let%bind type_expr' = simpl_type_expression type_expr in
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return @@ e_annotation ~loc expr' type_expr'
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)
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| EVar c -> (
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let (c' , loc) = r_split c in
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match constants c' with
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| Error _ -> return @@ e_variable ~loc (Var.of_name c.value)
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| Ok (s,_) -> return @@ e_constant ~loc s []
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)
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| ECall x -> (
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let ((f, args) , loc) = r_split x in
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let (args , args_loc) = r_split args in
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let args' = npseq_to_list args.inside in
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match f with
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| EVar name -> (
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let (f_name , f_loc) = r_split name in
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match constants f_name with
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| Error _ ->
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let%bind arg = simpl_tuple_expression ~loc:args_loc args' in
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return @@ e_application ~loc (e_variable ~loc:f_loc (Var.of_name f_name)) arg
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| Ok (s,_) ->
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let%bind lst = bind_map_list simpl_expression args' in
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return @@ e_constant ~loc s lst
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)
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| f -> (
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let%bind f' = simpl_expression f in
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let%bind arg = simpl_tuple_expression ~loc:args_loc args' in
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return @@ e_application ~loc f' arg
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)
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)
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| EPar x -> simpl_expression x.value.inside
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| EUnit reg ->
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let loc = Location.lift reg in
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return @@ e_literal ~loc Literal_unit
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| EBytes x ->
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let (x' , loc) = r_split x in
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return @@ e_literal ~loc (Literal_bytes (Hex.to_bytes @@ snd x'))
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| ETuple tpl ->
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let (tpl' , loc) = r_split tpl in
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simpl_tuple_expression ~loc @@ npseq_to_list tpl'.inside
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| ERecord r ->
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let%bind fields = bind_list
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@@ List.map (fun ((k : _ Raw.reg), v) -> let%bind v = simpl_expression v in ok (k.value, v))
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@@ List.map (fun (x:Raw.field_assign Raw.reg) -> (x.value.field_name, x.value.field_expr))
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@@ npseq_to_list r.value.ne_elements in
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let aux prev (k, v) = SMap.add k v prev in
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return @@ e_record (List.fold_left aux SMap.empty fields)
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| EProj p -> simpl_projection p
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| EUpdate u -> simpl_update u
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| EConstr (ConstrApp c) -> (
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let ((c, args) , loc) = r_split c in
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match args with
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None ->
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return @@ e_constructor ~loc c.value (e_unit ())
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| Some args ->
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let args, args_loc = r_split args in
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let%bind arg =
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simpl_tuple_expression ~loc:args_loc
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@@ npseq_to_list args.inside in
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return @@ e_constructor ~loc c.value arg
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)
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| EConstr (SomeApp a) ->
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let ((_, args) , loc) = r_split a in
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let (args , args_loc) = r_split args in
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let%bind arg =
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simpl_tuple_expression ~loc:args_loc
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@@ npseq_to_list args.inside in
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return @@ e_constant ~loc C_SOME [arg]
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| EConstr (NoneExpr reg) -> (
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let loc = Location.lift reg in
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return @@ e_none ~loc ()
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)
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| EArith (Add c) ->
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simpl_binop "ADD" c
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| EArith (Sub c) ->
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simpl_binop "SUB" c
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| EArith (Mult c) ->
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simpl_binop "TIMES" c
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| EArith (Div c) ->
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simpl_binop "DIV" c
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| EArith (Mod c) ->
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simpl_binop "MOD" c
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| EArith (Int n) -> (
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let (n , loc) = r_split n in
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let n = Z.to_int @@ snd n in
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return @@ e_literal ~loc (Literal_int n)
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)
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| EArith (Nat n) -> (
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let (n , loc) = r_split n in
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let n = Z.to_int @@ snd @@ n in
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return @@ e_literal ~loc (Literal_nat n)
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)
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| EArith (Mutez n) -> (
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let (n , loc) = r_split n in
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let n = Z.to_int @@ snd @@ n in
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return @@ e_literal ~loc (Literal_mutez n)
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)
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| EArith (Neg e) -> simpl_unop "NEG" e
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| EString (String s) ->
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let (s , loc) = r_split s in
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let s' =
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(* S contains quotes *)
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String.(sub s 1 (length s - 2))
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in
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return @@ e_literal ~loc (Literal_string s')
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| EString (Cat bo) ->
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let (bo , loc) = r_split bo in
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let%bind sl = simpl_expression bo.arg1 in
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let%bind sr = simpl_expression bo.arg2 in
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return @@ e_string_cat ~loc sl sr
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| ELogic l -> simpl_logic_expression l
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| EList l -> simpl_list_expression l
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| ESet s -> simpl_set_expression s
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| ECond c ->
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let (c , loc) = r_split c in
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let%bind expr = simpl_expression c.test in
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let%bind match_true = simpl_expression c.ifso in
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let%bind match_false = simpl_expression c.ifnot in
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let match_expr = e_matching expr ~loc (Match_bool {match_true; match_false}) in
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let env = Var.fresh () in
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let%bind (_, match_expr) = repair_mutable_variable_in_matching match_expr [] env in
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return @@ match_expr
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|
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| ECase c -> (
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let (c , loc) = r_split c in
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let%bind e = simpl_expression c.expr in
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let%bind lst =
|
|
let aux (x : Raw.expr Raw.case_clause) =
|
|
let%bind expr = simpl_expression x.rhs in
|
|
ok (x.pattern, expr) in
|
|
bind_list
|
|
@@ List.map aux
|
|
@@ List.map get_value
|
|
@@ npseq_to_list c.cases.value in
|
|
let%bind cases = simpl_cases lst in
|
|
let match_expr = e_matching ~loc e cases in
|
|
let env = Var.fresh () in
|
|
let%bind (_, match_expr) = repair_mutable_variable_in_matching match_expr [] env in
|
|
return @@ match_expr
|
|
)
|
|
| EMap (MapInj mi) -> (
|
|
let (mi , loc) = r_split mi in
|
|
let%bind lst =
|
|
let lst = List.map get_value @@ pseq_to_list mi.elements in
|
|
let aux : Raw.binding -> (expression * expression) result =
|
|
fun b ->
|
|
let%bind src = simpl_expression b.source in
|
|
let%bind dst = simpl_expression b.image in
|
|
ok (src, dst) in
|
|
bind_map_list aux lst in
|
|
return @@ e_map ~loc lst
|
|
)
|
|
| EMap (BigMapInj mi) -> (
|
|
let (mi , loc) = r_split mi in
|
|
let%bind lst =
|
|
let lst = List.map get_value @@ pseq_to_list mi.elements in
|
|
let aux : Raw.binding -> (expression * expression) result =
|
|
fun b ->
|
|
let%bind src = simpl_expression b.source in
|
|
let%bind dst = simpl_expression b.image in
|
|
ok (src, dst) in
|
|
bind_map_list aux lst in
|
|
return @@ e_big_map ~loc lst
|
|
)
|
|
| EMap (MapLookUp lu) -> (
|
|
let (lu , loc) = r_split lu in
|
|
let%bind path = match lu.path with
|
|
| Name v -> (
|
|
let (v , loc) = r_split v in
|
|
return @@ e_variable ~loc (Var.of_name v)
|
|
)
|
|
| Path p -> simpl_projection p
|
|
in
|
|
let%bind index = simpl_expression lu.index.value.inside in
|
|
return @@ e_look_up ~loc path index
|
|
)
|
|
| EFun f ->
|
|
let (f , loc) = r_split f in
|
|
let%bind (_ty_opt, f') = simpl_fun_expression ~loc f
|
|
in return @@ f'
|
|
|
|
|
|
and simpl_update = fun (u:Raw.update Region.reg) ->
|
|
let (u, loc) = r_split u in
|
|
let (name, path) = simpl_path u.record in
|
|
let record = match path with
|
|
| [] -> e_variable (Var.of_name name)
|
|
| _ -> e_accessor_list (e_variable (Var.of_name name)) path in
|
|
let updates = u.updates.value.ne_elements in
|
|
let%bind updates' =
|
|
let aux (f:Raw.field_path_assign Raw.reg) =
|
|
let (f,_) = r_split f in
|
|
let%bind expr = simpl_expression f.field_expr in
|
|
ok ( List.map (fun (x: _ Raw.reg) -> x.value) (npseq_to_list f.field_path), expr)
|
|
in
|
|
bind_map_list aux @@ npseq_to_list updates
|
|
in
|
|
let aux ur (path, expr) =
|
|
let rec aux record = function
|
|
| [] -> failwith "error in parsing"
|
|
| hd :: [] -> ok @@ e_update ~loc record hd expr
|
|
| hd :: tl ->
|
|
let%bind expr = (aux (e_accessor ~loc record hd) tl) in
|
|
ok @@ e_update ~loc record hd expr
|
|
in
|
|
aux ur path in
|
|
bind_fold_list aux record updates'
|
|
|
|
and simpl_logic_expression (t:Raw.logic_expr) : expression result =
|
|
let return x = ok x in
|
|
match t with
|
|
| BoolExpr (False reg) -> (
|
|
let loc = Location.lift reg in
|
|
return @@ e_literal ~loc (Literal_bool false)
|
|
)
|
|
| BoolExpr (True reg) -> (
|
|
let loc = Location.lift reg in
|
|
return @@ e_literal ~loc (Literal_bool true)
|
|
)
|
|
| BoolExpr (Or b) ->
|
|
simpl_binop "OR" b
|
|
| BoolExpr (And b) ->
|
|
simpl_binop "AND" b
|
|
| BoolExpr (Not b) ->
|
|
simpl_unop "NOT" b
|
|
| CompExpr (Lt c) ->
|
|
simpl_binop "LT" c
|
|
| CompExpr (Gt c) ->
|
|
simpl_binop "GT" c
|
|
| CompExpr (Leq c) ->
|
|
simpl_binop "LE" c
|
|
| CompExpr (Geq c) ->
|
|
simpl_binop "GE" c
|
|
| CompExpr (Equal c) ->
|
|
simpl_binop "EQ" c
|
|
| CompExpr (Neq c) ->
|
|
simpl_binop "NEQ" c
|
|
|
|
and simpl_list_expression (t:Raw.list_expr) : expression result =
|
|
let return x = ok x in
|
|
match t with
|
|
ECons c ->
|
|
simpl_binop "CONS" c
|
|
| EListComp lst ->
|
|
let (lst , loc) = r_split lst in
|
|
let%bind lst' =
|
|
bind_map_list simpl_expression @@
|
|
pseq_to_list lst.elements in
|
|
return @@ e_list ~loc lst'
|
|
| ENil reg ->
|
|
let loc = Location.lift reg in
|
|
return @@ e_list ~loc []
|
|
|
|
and simpl_set_expression (t:Raw.set_expr) : expression result =
|
|
match t with
|
|
| SetMem x -> (
|
|
let (x' , loc) = r_split x in
|
|
let%bind set' = simpl_expression x'.set in
|
|
let%bind element' = simpl_expression x'.element in
|
|
ok @@ e_constant ~loc C_SET_MEM [ element' ; set' ]
|
|
)
|
|
| SetInj x -> (
|
|
let (x' , loc) = r_split x in
|
|
let elements = pseq_to_list x'.elements in
|
|
let%bind elements' = bind_map_list simpl_expression elements in
|
|
ok @@ e_set ~loc elements'
|
|
)
|
|
|
|
and simpl_binop (name:string) (t:_ Raw.bin_op Region.reg) : expression result =
|
|
let return x = ok x in
|
|
let (t , loc) = r_split t in
|
|
let%bind a = simpl_expression t.arg1 in
|
|
let%bind b = simpl_expression t.arg2 in
|
|
let%bind name = constants name in
|
|
return @@ e_constant ~loc name [ a ; b ]
|
|
|
|
and simpl_unop (name:string) (t:_ Raw.un_op Region.reg) : expression result =
|
|
let return x = ok x in
|
|
let (t , loc) = r_split t in
|
|
let%bind a = simpl_expression t.arg in
|
|
let%bind name = constants name in
|
|
return @@ e_constant ~loc name [ a ]
|
|
|
|
and simpl_tuple_expression ?loc (lst:Raw.expr list) : expression result =
|
|
let return x = ok x in
|
|
match lst with
|
|
| [] -> return @@ e_literal Literal_unit
|
|
| [hd] -> simpl_expression hd
|
|
| lst ->
|
|
let%bind lst = bind_list @@ List.map simpl_expression lst
|
|
in return @@ e_tuple ?loc lst
|
|
|
|
and simpl_data_declaration : Raw.data_decl -> _ result =
|
|
fun t ->
|
|
match t with
|
|
| LocalVar x ->
|
|
let (x , loc) = r_split x in
|
|
let name = x.name.value in
|
|
let%bind t = simpl_type_expression x.var_type in
|
|
let%bind expression = simpl_expression x.init in
|
|
return_let_in ~loc (Var.of_name name, Some t) false false expression
|
|
| LocalConst x ->
|
|
let (x , loc) = r_split x in
|
|
let name = x.name.value in
|
|
let%bind t = simpl_type_expression x.const_type in
|
|
let%bind expression = simpl_expression x.init in
|
|
let inline =
|
|
match x.attributes with
|
|
None -> false
|
|
| Some {value; _} ->
|
|
npseq_to_list value.ne_elements
|
|
|> List.exists (fun Region.{value; _} -> value = "\"inline\"")
|
|
in return_let_in ~loc (Var.of_name name, Some t) false inline expression
|
|
| LocalFun f ->
|
|
let (f , loc) = r_split f in
|
|
let%bind (binder, expr) = simpl_fun_decl ~loc f in
|
|
let inline =
|
|
match f.attributes with
|
|
None -> false
|
|
| Some {value; _} ->
|
|
npseq_to_list value.ne_elements
|
|
|> List.exists (fun Region.{value; _} -> value = "\"inline\"")
|
|
in return_let_in ~loc binder false inline expr
|
|
|
|
and simpl_param :
|
|
Raw.param_decl -> (string * type_expression) result =
|
|
fun t ->
|
|
match t with
|
|
| ParamConst c ->
|
|
let c = c.value in
|
|
let param_name = c.var.value in
|
|
let%bind type_expression = simpl_type_expression c.param_type in
|
|
ok (param_name , type_expression)
|
|
| ParamVar v ->
|
|
let c = v.value in
|
|
let param_name = c.var.value in
|
|
let%bind type_expression = simpl_type_expression c.param_type in
|
|
ok (param_name , type_expression)
|
|
|
|
and simpl_fun_decl :
|
|
loc:_ -> Raw.fun_decl ->
|
|
((expression_variable * type_expression option) * expression) result =
|
|
fun ~loc x ->
|
|
let open! Raw in
|
|
let {kwd_recursive;fun_name; param; ret_type; block_with;
|
|
return; attributes} : fun_decl = x in
|
|
let inline =
|
|
match attributes with
|
|
None -> false
|
|
| Some {value; _} ->
|
|
npseq_to_list value.ne_elements
|
|
|> List.exists (fun Region.{value; _} -> value = "\"inline\"") in
|
|
let statements =
|
|
match block_with with
|
|
| Some (block,_) -> npseq_to_list block.value.statements
|
|
| None -> []
|
|
in
|
|
(match param.value.inside with
|
|
a, [] -> (
|
|
let%bind input = simpl_param a in
|
|
let (binder , input_type) = input in
|
|
let%bind instructions = simpl_statement_list statements in
|
|
let%bind result = simpl_expression return in
|
|
let%bind output_type = simpl_type_expression ret_type in
|
|
let body = instructions in
|
|
let%bind result =
|
|
let aux prec cur = cur (Some prec) in
|
|
bind_fold_right_list aux result body in
|
|
let binder = Var.of_name binder in
|
|
let fun_name = Var.of_name fun_name.value in
|
|
let fun_type = t_function input_type output_type in
|
|
let expression : expression =
|
|
e_lambda ~loc binder (Some input_type)(Some output_type) result in
|
|
let%bind expression = match kwd_recursive with
|
|
None -> ok @@ expression |
|
|
Some _ -> ok @@ e_recursive ~loc fun_name fun_type
|
|
@@ {binder;input_type=Some input_type; output_type= Some output_type; result}
|
|
in
|
|
ok ((fun_name, Some fun_type), expression)
|
|
)
|
|
| lst -> (
|
|
let lst = npseq_to_list lst in
|
|
(* TODO wrong, should be fresh? *)
|
|
let arguments_name = Var.of_name "arguments" in
|
|
let%bind params = bind_map_list simpl_param lst in
|
|
let (binder , input_type) =
|
|
let type_expression = t_tuple (List.map snd params) in
|
|
(arguments_name , type_expression) in
|
|
let%bind tpl_declarations =
|
|
let aux = fun i (param, type_expr) ->
|
|
let expr =
|
|
e_accessor (e_variable arguments_name) (string_of_int i) in
|
|
let type_variable = Some type_expr in
|
|
let ass = return_let_in (Var.of_name param , type_variable) false inline expr in
|
|
ass
|
|
in
|
|
bind_list @@ List.mapi aux params in
|
|
let%bind instructions = simpl_statement_list statements in
|
|
let%bind result = simpl_expression return in
|
|
let%bind output_type = simpl_type_expression ret_type in
|
|
let body = tpl_declarations @ instructions in
|
|
let%bind result =
|
|
let aux prec cur = cur (Some prec) in
|
|
bind_fold_right_list aux result body in
|
|
let fun_name = Var.of_name fun_name.value in
|
|
let fun_type = t_function input_type output_type in
|
|
let expression : expression =
|
|
e_lambda ~loc binder (Some input_type)(Some output_type) result in
|
|
let%bind expression = match kwd_recursive with
|
|
None -> ok @@ expression |
|
|
Some _ -> ok @@ e_recursive ~loc fun_name fun_type
|
|
@@ {binder;input_type=Some input_type; output_type= Some output_type; result}
|
|
in
|
|
ok ((fun_name, Some fun_type), expression)
|
|
)
|
|
)
|
|
|
|
and simpl_fun_expression :
|
|
loc:_ -> Raw.fun_expr -> (type_expression option * expression) result =
|
|
fun ~loc x ->
|
|
let open! Raw in
|
|
let {kwd_recursive;param;ret_type;return} : fun_expr = x in
|
|
let statements = [] in
|
|
(match param.value.inside with
|
|
a, [] -> (
|
|
let%bind input = simpl_param a in
|
|
let (binder , input_type) = input in
|
|
let%bind instructions = simpl_statement_list statements in
|
|
let%bind result = simpl_expression return in
|
|
let%bind output_type = simpl_type_expression ret_type in
|
|
let body = instructions in
|
|
let%bind result =
|
|
let aux prec cur = cur (Some prec) in
|
|
bind_fold_right_list aux result body in
|
|
let binder = Var.of_name binder in
|
|
let fun_type = t_function input_type output_type in
|
|
let expression = match kwd_recursive with
|
|
| None -> e_lambda ~loc binder (Some input_type)(Some output_type) result
|
|
| Some _ -> e_recursive ~loc binder fun_type
|
|
@@ {binder;input_type=Some input_type; output_type= Some output_type; result}
|
|
in
|
|
ok (Some fun_type , expression)
|
|
)
|
|
| lst -> (
|
|
let lst = npseq_to_list lst in
|
|
(* TODO wrong, should be fresh? *)
|
|
let arguments_name = Var.of_name "arguments" in
|
|
let%bind params = bind_map_list simpl_param lst in
|
|
let (binder , input_type) =
|
|
let type_expression = t_tuple (List.map snd params) in
|
|
(arguments_name , type_expression) in
|
|
let%bind tpl_declarations =
|
|
let aux = fun i (param, param_type) ->
|
|
let expr = e_accessor (e_variable arguments_name) (string_of_int i) in
|
|
let type_variable = Some param_type in
|
|
let ass = return_let_in (Var.of_name param , type_variable) false false expr in
|
|
ass
|
|
in
|
|
bind_list @@ List.mapi aux params in
|
|
let%bind instructions = simpl_statement_list statements in
|
|
let%bind result = simpl_expression return in
|
|
let%bind output_type = simpl_type_expression ret_type in
|
|
let body = tpl_declarations @ instructions in
|
|
let%bind result =
|
|
let aux prec cur = cur (Some prec) in
|
|
bind_fold_right_list aux result body in
|
|
let fun_type = t_function input_type output_type in
|
|
let expression = match kwd_recursive with
|
|
| None -> e_lambda ~loc binder (Some input_type)(Some output_type) result
|
|
| Some _ -> e_recursive ~loc binder fun_type
|
|
@@ {binder;input_type=Some input_type; output_type= Some output_type; result}
|
|
in
|
|
ok (Some fun_type , expression)
|
|
)
|
|
)
|
|
|
|
and simpl_statement_list statements =
|
|
let open Raw in
|
|
let rec hook acc = function
|
|
[] -> acc
|
|
| [Attr _] ->
|
|
(* Detached attributes are erased. TODO: Warning. *)
|
|
acc
|
|
| Attr _ :: (Attr _ :: _ as statements) ->
|
|
(* Detached attributes are erased. TODO: Warning. *)
|
|
hook acc statements
|
|
| Attr decl :: Data (LocalConst {value; region}) :: statements ->
|
|
let new_const =
|
|
Data (LocalConst {value = {value with attributes = Some decl}; region})
|
|
in hook acc (new_const :: statements)
|
|
| Attr decl :: Data (LocalFun {value; region}) :: statements ->
|
|
let new_fun =
|
|
Data (LocalFun {value = {value with attributes = Some decl}; region})
|
|
in hook acc (new_fun :: statements)
|
|
| Attr _ :: statements ->
|
|
(* Detached attributes are erased. TODO: Warning. *)
|
|
hook acc statements
|
|
| Instr i :: statements ->
|
|
hook (simpl_instruction i :: acc) statements
|
|
| Data d :: statements ->
|
|
hook (simpl_data_declaration d :: acc) statements
|
|
in bind_list @@ hook [] (List.rev statements)
|
|
|
|
and get_case_variables (t:Raw.pattern) : expression_variable list result =
|
|
match t with
|
|
| PConstr PFalse _
|
|
| PConstr PTrue _
|
|
| PConstr PNone _ -> ok @@ []
|
|
| PConstr PSomeApp v -> (let (_,v) = v.value in get_case_variables (v.value.inside))
|
|
| PConstr PConstrApp v -> (
|
|
match v.value with
|
|
| constr, None -> ok @@ [ Var.of_name constr.value]
|
|
| constr, pat_opt ->
|
|
let%bind pat =
|
|
trace_option (unsupported_cst_constr t) @@
|
|
pat_opt in
|
|
let pat = npseq_to_list pat.value.inside in
|
|
let%bind var = bind_map_list get_case_variables pat in
|
|
ok @@ [Var.of_name constr.value ] @ (List.concat var)
|
|
)
|
|
| PList PNil _ -> ok @@ []
|
|
| PList PCons c -> (
|
|
match c.value with
|
|
| a, [(_, b)] ->
|
|
let%bind a = get_case_variables a in
|
|
let%bind b = get_case_variables b in
|
|
ok @@ a@b
|
|
| _ -> fail @@ unsupported_deep_list_patterns c
|
|
)
|
|
| PVar v -> ok @@ [Var.of_name v.value]
|
|
| p -> fail @@ unsupported_cst_constr p
|
|
|
|
and simpl_single_instruction : Raw.instruction -> (_ -> expression result) result =
|
|
fun t ->
|
|
match t with
|
|
| ProcCall x -> (
|
|
let (f, args) , loc = r_split x in
|
|
let args, args_loc = r_split args in
|
|
let args' = npseq_to_list args.inside in
|
|
match f with
|
|
| EVar name -> (
|
|
let (f_name , f_loc) = r_split name in
|
|
match constants f_name with
|
|
| Error _ ->
|
|
let%bind arg = simpl_tuple_expression ~loc:args_loc args' in
|
|
return_statement @@ e_application ~loc (e_variable ~loc:f_loc (Var.of_name f_name)) arg
|
|
| Ok (s,_) ->
|
|
let%bind lst = bind_map_list simpl_expression args' in
|
|
return_statement @@ e_constant ~loc s lst
|
|
)
|
|
| f -> (
|
|
let%bind f' = simpl_expression f in
|
|
let%bind arg = simpl_tuple_expression ~loc:args_loc args' in
|
|
return_statement @@ e_application ~loc f' arg
|
|
)
|
|
)
|
|
| Skip reg -> (
|
|
let loc = Location.lift reg in
|
|
return_statement @@ e_skip ~loc ()
|
|
)
|
|
| Loop (While l) ->
|
|
simpl_while_loop l.value
|
|
| Loop (For (ForInt fi)) -> (
|
|
let%bind loop = simpl_for_int fi.value in
|
|
ok loop
|
|
)
|
|
| Loop (For (ForCollect fc)) ->
|
|
let%bind loop = simpl_for_collect fc.value in
|
|
ok loop
|
|
| Cond c -> (
|
|
let (c , loc) = r_split c in
|
|
let%bind expr = simpl_expression c.test in
|
|
let%bind match_true = match c.ifso with
|
|
ClauseInstr i ->
|
|
simpl_single_instruction i
|
|
| ClauseBlock b ->
|
|
match b with
|
|
LongBlock {value; _} ->
|
|
simpl_block value
|
|
| ShortBlock {value; _} ->
|
|
simpl_statements @@ fst value.inside in
|
|
let%bind match_false = match c.ifnot with
|
|
ClauseInstr i ->
|
|
simpl_single_instruction i
|
|
| ClauseBlock b ->
|
|
match b with
|
|
LongBlock {value; _} ->
|
|
simpl_block value
|
|
| ShortBlock {value; _} ->
|
|
simpl_statements @@ fst value.inside in
|
|
let env = Var.fresh () in
|
|
|
|
let%bind match_true' = match_true None in
|
|
let%bind match_false' = match_false None in
|
|
let%bind match_true = match_true @@ Some (e_variable env) in
|
|
let%bind match_false = match_false @@ Some (e_variable env) in
|
|
|
|
let%bind ((_,free_vars_true), match_true) = repair_mutable_variable_in_matching match_true [] env in
|
|
let%bind ((_,free_vars_false), match_false) = repair_mutable_variable_in_matching match_false [] env in
|
|
let free_vars = free_vars_true @ free_vars_false in
|
|
if (List.length free_vars != 0) then
|
|
let match_expr = e_matching expr ~loc (Match_bool {match_true; match_false}) in
|
|
let return_expr = fun expr ->
|
|
e_let_in (env,None) false false (store_mutable_variable free_vars) @@
|
|
e_let_in (env,None) false false match_expr @@
|
|
expr
|
|
in
|
|
restore_mutable_variable return_expr free_vars env
|
|
else
|
|
return_statement @@ e_matching expr ~loc (Match_bool {match_true=match_true'; match_false=match_false'})
|
|
)
|
|
| Assign a -> (
|
|
let (a , loc) = r_split a in
|
|
let%bind value_expr = simpl_expression a.rhs in
|
|
match a.lhs with
|
|
| Path path -> (
|
|
let (name , path') = simpl_path path in
|
|
let (let_binder, mut, rhs, inline) = e_assign_with_let ~loc name path' value_expr in
|
|
return_let_in let_binder mut inline rhs
|
|
)
|
|
| MapPath v -> (
|
|
let v' = v.value in
|
|
let%bind (varname,map,path) = match v'.path with
|
|
| Name name -> ok (name.value , e_variable (Var.of_name name.value), [])
|
|
| Path p ->
|
|
let (name,p') = simpl_path v'.path in
|
|
let%bind accessor = simpl_projection p in
|
|
ok @@ (name , accessor , p')
|
|
in
|
|
let%bind key_expr = simpl_expression v'.index.value.inside in
|
|
let expr' = e_map_add key_expr value_expr map in
|
|
let (let_binder, mut, rhs, inline) = e_assign_with_let ~loc varname path expr' in
|
|
return_let_in let_binder mut inline rhs
|
|
)
|
|
)
|
|
| CaseInstr c -> (
|
|
let (c , loc) = r_split c in
|
|
let%bind expr = simpl_expression c.expr in
|
|
let env = Var.fresh () in
|
|
let%bind (fv,cases) =
|
|
let aux fv (x : Raw.if_clause Raw.case_clause Raw.reg) =
|
|
let%bind case_clause =
|
|
match x.value.rhs with
|
|
ClauseInstr i ->
|
|
simpl_single_instruction i
|
|
| ClauseBlock b ->
|
|
match b with
|
|
LongBlock {value; _} ->
|
|
simpl_block value
|
|
| ShortBlock {value; _} ->
|
|
simpl_statements @@ fst value.inside in
|
|
let%bind case_clause'= case_clause @@ None in
|
|
let%bind case_clause = case_clause @@ Some(e_variable env) in
|
|
let%bind case_vars = get_case_variables x.value.pattern in
|
|
let%bind ((_,free_vars), case_clause) = repair_mutable_variable_in_matching case_clause case_vars env in
|
|
ok (free_vars::fv,(x.value.pattern, case_clause, case_clause')) in
|
|
bind_fold_map_list aux [] (npseq_to_list c.cases.value) in
|
|
let free_vars = List.concat fv in
|
|
if (List.length free_vars == 0) then (
|
|
let cases = List.map (fun case -> let (a,_,b) = case in (a,b)) cases in
|
|
let%bind m = simpl_cases cases in
|
|
return_statement @@ e_matching ~loc expr m
|
|
) else (
|
|
let cases = List.map (fun case -> let (a,b,_) = case in (a,b)) cases in
|
|
let%bind m = simpl_cases cases in
|
|
let match_expr = e_matching ~loc expr m in
|
|
let return_expr = fun expr ->
|
|
e_let_in (env,None) false false (store_mutable_variable free_vars) @@
|
|
e_let_in (env,None) false false match_expr @@
|
|
expr
|
|
in
|
|
restore_mutable_variable return_expr free_vars env
|
|
)
|
|
)
|
|
| RecordPatch r -> (
|
|
let reg = r.region in
|
|
let (r,loc) = r_split r in
|
|
let aux (fa :Raw.field_assign Raw.reg) : Raw.field_path_assign Raw.reg=
|
|
{value = {field_path = (fa.value.field_name, []); equal=fa.value.equal; field_expr = fa.value.field_expr};
|
|
region = fa.region}
|
|
in
|
|
let update : Raw.field_path_assign Raw.reg Raw.ne_injection Raw.reg = {
|
|
value = Raw.map_ne_injection aux r.record_inj.value;
|
|
region=r.record_inj.region
|
|
} in
|
|
let u : Raw.update = {record=r.path;kwd_with=r.kwd_with; updates=update} in
|
|
let%bind expr = simpl_update {value=u;region=reg} in
|
|
let (name , access_path) = simpl_path r.path in
|
|
let loc = Some loc in
|
|
let (binder, mut, rhs, inline) = e_assign_with_let ?loc name access_path expr in
|
|
return_let_in binder mut inline rhs
|
|
|
|
)
|
|
| MapPatch patch -> (
|
|
let (map_p, loc) = r_split patch in
|
|
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 = 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 @@ (key', value')
|
|
)
|
|
@@ npseq_to_list map_p.map_inj.value.ne_elements in
|
|
match inj with
|
|
| [] -> return_statement @@ e_skip ~loc ()
|
|
| _ :: _ ->
|
|
let assigns = List.fold_right
|
|
(fun (key, value) map -> (e_map_add key value map))
|
|
inj
|
|
(e_accessor_list ~loc (e_variable (Var.of_name name)) access_path)
|
|
in
|
|
let (binder, mut, rhs, inline) = e_assign_with_let ~loc name access_path assigns in
|
|
return_let_in binder mut inline rhs
|
|
)
|
|
| SetPatch patch -> (
|
|
let (setp, loc) = r_split patch in
|
|
let (name , access_path) = simpl_path setp.path in
|
|
let%bind inj =
|
|
bind_list @@
|
|
List.map simpl_expression @@
|
|
npseq_to_list setp.set_inj.value.ne_elements in
|
|
match inj with
|
|
| [] -> return_statement @@ e_skip ~loc ()
|
|
| _ :: _ ->
|
|
let assigns = List.fold_right
|
|
(fun hd s -> e_constant C_SET_ADD [hd ; s])
|
|
inj (e_accessor_list ~loc (e_variable (Var.of_name name)) access_path) in
|
|
let (binder, mut, rhs, inline) = e_assign_with_let ~loc name access_path assigns in
|
|
return_let_in binder mut inline rhs
|
|
)
|
|
| MapRemove r -> (
|
|
let (v , loc) = r_split r in
|
|
let key = v.key in
|
|
let%bind (varname,map,path) = match v.map with
|
|
| Name v -> ok (v.value , e_variable (Var.of_name v.value) , [])
|
|
| Path p ->
|
|
let (name,p') = simpl_path v.map in
|
|
let%bind accessor = simpl_projection p in
|
|
ok @@ (name , accessor , p')
|
|
in
|
|
let%bind key' = simpl_expression key in
|
|
let expr = e_constant ~loc C_MAP_REMOVE [key' ; map] in
|
|
let (binder, mut, rhs, inline) = e_assign_with_let ~loc varname path expr in
|
|
return_let_in binder mut inline rhs
|
|
)
|
|
| SetRemove r -> (
|
|
let (set_rm, loc) = r_split r in
|
|
let%bind (varname, set, path) = match set_rm.set with
|
|
| Name v -> ok (v.value, e_variable (Var.of_name v.value), [])
|
|
| Path path ->
|
|
let(name, p') = simpl_path set_rm.set in
|
|
let%bind accessor = simpl_projection path in
|
|
ok @@ (name, accessor, p')
|
|
in
|
|
let%bind removed' = simpl_expression set_rm.element in
|
|
let expr = e_constant ~loc C_SET_REMOVE [removed' ; set] in
|
|
let (binder, mut, rhs, inline) = e_assign_with_let ~loc varname path expr in
|
|
return_let_in binder mut inline rhs
|
|
)
|
|
|
|
and simpl_path : Raw.path -> string * string list = fun p ->
|
|
match p with
|
|
| Raw.Name v -> (v.value , [])
|
|
| Raw.Path p -> (
|
|
let p' = p.value in
|
|
let var = p'.struct_name.value in
|
|
let path = p'.field_path in
|
|
let path' =
|
|
let aux (s:Raw.selection) =
|
|
match s with
|
|
| FieldName property -> property.value
|
|
| Component index -> (Z.to_string (snd index.value))
|
|
in
|
|
List.map aux @@ npseq_to_list path in
|
|
(var , path')
|
|
)
|
|
|
|
and simpl_cases : (Raw.pattern * expression) list -> matching_expr result = fun t ->
|
|
let open Raw in
|
|
let get_var (t:Raw.pattern) =
|
|
match t with
|
|
| PVar v -> ok v.value
|
|
| p -> fail @@ unsupported_non_var_pattern p in
|
|
let get_tuple (t: Raw.pattern) =
|
|
match t with
|
|
| PTuple v -> npseq_to_list v.value.inside
|
|
| x -> [ x ] in
|
|
let get_single (t: Raw.pattern) =
|
|
let t' = get_tuple t in
|
|
let%bind () =
|
|
trace_strong (unsupported_tuple_pattern t) @@
|
|
Assert.assert_list_size t' 1 in
|
|
ok (List.hd t') in
|
|
let get_toplevel (t : Raw.pattern) =
|
|
match t with
|
|
| PList PCons x -> (
|
|
let (x' , lst) = x.value in
|
|
match lst with
|
|
| [] -> ok x'
|
|
| _ -> ok t
|
|
)
|
|
| pattern -> ok pattern in
|
|
let get_constr (t: Raw.pattern) =
|
|
match t with
|
|
| PConstr (PConstrApp v) -> (
|
|
let value = v.value in
|
|
match value with
|
|
| constr, None ->
|
|
ok (constr.value, "unit")
|
|
| _ ->
|
|
let const, pat_opt = v.value in
|
|
let%bind pat =
|
|
trace_option (unsupported_cst_constr t) @@
|
|
pat_opt in
|
|
let%bind single_pat = get_single (PTuple pat) in
|
|
let%bind var = get_var single_pat in
|
|
ok (const.value , var)
|
|
)
|
|
| _ -> fail @@ only_constructors t in
|
|
let%bind patterns =
|
|
let aux (x , y) =
|
|
let%bind x' = get_toplevel x in
|
|
ok (x' , y)
|
|
in bind_map_list aux t in
|
|
match patterns with
|
|
| [(PConstr PFalse _ , f) ; (PConstr PTrue _ , t)]
|
|
| [(PConstr PTrue _ , t) ; (PConstr PFalse _ , f)] ->
|
|
ok @@ Match_bool {match_true = t ; match_false = f}
|
|
| [(PConstr PSomeApp v , some) ; (PConstr PNone _ , none)]
|
|
| [(PConstr PNone _ , none) ; (PConstr PSomeApp v , some)] -> (
|
|
let (_, v) = v.value in
|
|
let%bind v = match v.value.inside with
|
|
| PVar v -> ok v.value
|
|
| p -> fail @@ unsupported_deep_Some_patterns p in
|
|
ok @@ Match_option {match_none = none ; match_some = (Var.of_name v, some, ()) }
|
|
)
|
|
| [(PList PCons c, cons) ; (PList (PNil _), nil)]
|
|
| [(PList (PNil _), nil) ; (PList PCons c, cons)] ->
|
|
let%bind (a, b) =
|
|
match c.value with
|
|
| a, [(_, b)] ->
|
|
let%bind a = get_var a in
|
|
let%bind b = get_var b in
|
|
ok (a, b)
|
|
| _ -> fail @@ unsupported_deep_list_patterns c
|
|
|
|
in
|
|
ok @@ Match_list {match_cons = (Var.of_name a, Var.of_name b, cons,()) ; match_nil = nil}
|
|
| lst ->
|
|
trace (simple_info "currently, only booleans, options, lists and \
|
|
user-defined constructors are supported in patterns") @@
|
|
let%bind constrs =
|
|
let aux (x , y) =
|
|
let error =
|
|
let title () = "Pattern" in
|
|
(* TODO: The labelled arguments should be flowing from the CLI. *)
|
|
let content () =
|
|
Printf.sprintf "Pattern : %s"
|
|
(ParserLog.pattern_to_string
|
|
~offsets:true ~mode:`Point x) in
|
|
error title content in
|
|
let%bind x' =
|
|
trace error @@
|
|
get_constr x in
|
|
ok (x' , y) in
|
|
bind_map_list aux lst in
|
|
ok @@ ez_match_variant constrs
|
|
|
|
and simpl_instruction : Raw.instruction -> (_ -> expression result) result =
|
|
fun t -> trace (simplifying_instruction t) @@ simpl_single_instruction t
|
|
|
|
and simpl_statements : Raw.statements -> (_ -> expression result) result =
|
|
fun statements ->
|
|
let lst = npseq_to_list statements in
|
|
let%bind fs = simpl_statement_list lst in
|
|
let aux : _ -> (expression option -> expression result) -> _ =
|
|
fun prec cur ->
|
|
let%bind res = cur prec
|
|
in ok @@ Some res in
|
|
ok @@ fun (expr' : _ option) ->
|
|
let%bind ret = bind_fold_right_list aux expr' fs in
|
|
ok @@ Option.unopt_exn ret
|
|
|
|
and simpl_block : Raw.block -> (_ -> expression result) result =
|
|
fun t -> simpl_statements t.statements
|
|
|
|
and simpl_while_loop : Raw.while_loop -> (_ -> expression result) result = fun wl ->
|
|
let env_rec = Var.fresh () in
|
|
let binder = Var.fresh () in
|
|
|
|
let%bind cond = simpl_expression wl.cond in
|
|
let ctrl =
|
|
(e_variable binder)
|
|
in
|
|
|
|
let%bind for_body = simpl_block wl.block.value in
|
|
let%bind for_body = for_body @@ Some( ctrl ) in
|
|
let%bind ((_,captured_name_list),for_body) = repair_mutable_variable_in_loops for_body [] binder in
|
|
|
|
let aux name expr=
|
|
e_let_in (name,None) false false (e_accessor (e_accessor (e_variable binder) "0") (Var.to_name name)) expr
|
|
in
|
|
let init_rec = e_tuple [store_mutable_variable @@ captured_name_list] in
|
|
let restore = fun expr -> List.fold_right aux captured_name_list expr in
|
|
let continue_expr = e_constant C_FOLD_CONTINUE [for_body] in
|
|
let stop_expr = e_constant C_FOLD_STOP [e_variable binder] in
|
|
let aux_func =
|
|
e_lambda binder None None @@
|
|
restore @@
|
|
e_cond cond continue_expr stop_expr in
|
|
let loop = e_constant C_FOLD_WHILE [aux_func; e_variable env_rec] in
|
|
let return_expr = fun expr ->
|
|
e_let_in (env_rec,None) false false init_rec @@
|
|
e_let_in (env_rec,None) false false loop @@
|
|
e_let_in (env_rec,None) false false (e_accessor (e_variable env_rec) "0") @@
|
|
expr
|
|
in
|
|
restore_mutable_variable return_expr captured_name_list env_rec
|
|
|
|
|
|
and simpl_for_int : Raw.for_int -> (_ -> expression result) result = fun fi ->
|
|
let env_rec = Var.fresh () in
|
|
let binder = Var.fresh () in
|
|
let name = fi.assign.value.name.value in
|
|
let it = Var.of_name name in
|
|
let var = e_variable it in
|
|
(*Make the cond and the step *)
|
|
let%bind value = simpl_expression fi.assign.value.expr in
|
|
let%bind bound = simpl_expression fi.bound in
|
|
let cond = e_annotation (e_constant C_LE [var ; bound]) t_bool in
|
|
let step = e_int 1 in
|
|
let continue_expr = e_constant C_FOLD_CONTINUE [(e_variable binder)] in
|
|
let ctrl =
|
|
e_let_in (it,Some t_int) false false (e_constant C_ADD [ var ; step ]) @@
|
|
e_let_in (binder, None) false false (e_update (e_variable binder) "1" var)@@
|
|
continue_expr
|
|
in
|
|
(* Modify the body loop*)
|
|
let%bind for_body = simpl_block fi.block.value in
|
|
let%bind for_body = for_body @@ Some ctrl in
|
|
let%bind ((_,captured_name_list),for_body) = repair_mutable_variable_in_loops for_body [it] binder in
|
|
|
|
let aux name expr=
|
|
e_let_in (name,None) false false (e_accessor (e_accessor (e_variable binder) "0") (Var.to_name name)) expr
|
|
in
|
|
|
|
(* restores the initial value of the free_var*)
|
|
let restore = fun expr -> List.fold_right aux captured_name_list expr in
|
|
|
|
(*Prep the lambda for the fold*)
|
|
let stop_expr = e_constant C_FOLD_STOP [e_variable binder] in
|
|
let aux_func = e_lambda binder None None @@
|
|
e_let_in (it,Some t_int) false false (e_accessor (e_variable binder) "1") @@
|
|
e_cond cond (restore for_body) (stop_expr) in
|
|
|
|
(* Make the fold_while en precharge the vakye *)
|
|
let loop = e_constant C_FOLD_WHILE [aux_func; e_variable env_rec] in
|
|
let init_rec = e_pair (store_mutable_variable @@ captured_name_list) var in
|
|
|
|
let return_expr = fun expr ->
|
|
e_let_in (it, Some t_int) false false value @@
|
|
e_let_in (env_rec,None) false false init_rec @@
|
|
e_let_in (env_rec,None) false false loop @@
|
|
e_let_in (env_rec,None) false false (e_accessor (e_variable env_rec) "0") @@
|
|
expr
|
|
in
|
|
restore_mutable_variable return_expr captured_name_list env_rec
|
|
|
|
and simpl_for_collect : Raw.for_collect -> (_ -> expression result) result = fun fc ->
|
|
let binder = Var.of_name "arguments" in
|
|
let%bind element_names = ok @@ match fc.bind_to with
|
|
| Some v -> [Var.of_name fc.var.value;Var.of_name (snd v).value]
|
|
| None -> [Var.of_name fc.var.value] in
|
|
|
|
let env = Var.fresh () in
|
|
let%bind for_body = simpl_block fc.block.value in
|
|
let%bind for_body = for_body @@ Some (e_accessor (e_variable binder) "0") in
|
|
let%bind ((_,free_vars), for_body) = repair_mutable_variable_in_loops for_body element_names binder in
|
|
|
|
let init_record = store_mutable_variable free_vars in
|
|
let%bind collect = simpl_expression fc.expr in
|
|
let aux name expr=
|
|
e_let_in (name,None) false false (e_accessor (e_accessor (e_variable binder) "0") (Var.to_name name)) expr
|
|
in
|
|
let restore = fun expr -> List.fold_right aux free_vars expr in
|
|
let restore = match fc.collection with
|
|
| Map _ -> (match fc.bind_to with
|
|
| Some v -> fun expr -> restore (e_let_in (Var.of_name fc.var.value, None) false false (e_accessor (e_accessor (e_variable binder) "1") "0")
|
|
(e_let_in (Var.of_name (snd v).value, None) false false (e_accessor (e_accessor (e_variable binder) "1") "1") expr))
|
|
| None -> fun expr -> restore (e_let_in (Var.of_name fc.var.value, None) false false (e_accessor (e_accessor (e_variable binder) "1") "0") expr)
|
|
)
|
|
| _ -> fun expr -> restore (e_let_in (Var.of_name fc.var.value, None) false false (e_accessor (e_variable binder) "1") expr)
|
|
in
|
|
let lambda = e_lambda binder None None (restore for_body) in
|
|
let op_name = match fc.collection with
|
|
| Map _ -> C_MAP_FOLD | Set _ -> C_SET_FOLD | List _ -> C_LIST_FOLD in
|
|
let fold = fun expr ->
|
|
e_let_in (env,None) false false (e_constant op_name [lambda; collect ; init_record]) @@
|
|
expr
|
|
in
|
|
restore_mutable_variable fold free_vars env
|
|
|
|
and simpl_declaration_list declarations :
|
|
Ast_simplified.declaration Location.wrap list result =
|
|
let open Raw in
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let rec hook acc = function
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[] -> acc
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| [AttrDecl _] ->
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(* Detached attributes are erased. TODO: Warning. *)
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acc
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| AttrDecl _ :: (AttrDecl _ :: _ as declarations) ->
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(* Detached attributes are erased. TODO: Warning. *)
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hook acc declarations
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| AttrDecl decl :: ConstDecl {value; region} :: declarations ->
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let new_const =
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ConstDecl {value = {value with attributes = Some decl}; region}
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in hook acc (new_const :: declarations)
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| AttrDecl decl :: FunDecl {value; region} :: declarations ->
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let new_fun =
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FunDecl {value = {value with attributes = Some decl}; region}
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in hook acc (new_fun :: declarations)
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| AttrDecl _ :: declarations ->
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(* Detached attributes are erased. TODO: Warning. *)
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hook acc declarations
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| TypeDecl decl :: declarations ->
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let decl, loc = r_split decl in
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let {name; type_expr} : Raw.type_decl = decl in
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let%bind type_expression = simpl_type_expression type_expr in
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let new_decl =
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Declaration_type (Var.of_name name.value, type_expression) in
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let res = Location.wrap ~loc new_decl in
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hook (bind_list_cons res acc) declarations
|
|
| ConstDecl decl :: declarations ->
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|
let simpl_const_decl =
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fun {name;const_type; init; attributes} ->
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let%bind expression = simpl_expression init in
|
|
let%bind t = simpl_type_expression const_type in
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|
let type_annotation = Some t in
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|
let inline =
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match attributes with
|
|
None -> false
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|
| Some {value; _} ->
|
|
npseq_to_list value.ne_elements
|
|
|> List.exists (fun Region.{value; _} -> value = "\"inline\"") in
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|
let new_decl =
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Declaration_constant
|
|
(Var.of_name name.value, type_annotation, inline, expression)
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|
in ok new_decl in
|
|
let%bind res =
|
|
bind_map_location simpl_const_decl (Location.lift_region decl)
|
|
in hook (bind_list_cons res acc) declarations
|
|
| FunDecl fun_decl :: declarations ->
|
|
let decl, loc = r_split fun_decl in
|
|
let%bind ((name, ty_opt), expr) = simpl_fun_decl ~loc decl in
|
|
let inline =
|
|
match fun_decl.value.attributes with
|
|
None -> false
|
|
| Some {value; _} ->
|
|
npseq_to_list value.ne_elements
|
|
|> List.exists (fun Region.{value; _} -> value = "\"inline\"") in
|
|
let new_decl =
|
|
Declaration_constant (name, ty_opt, inline, expr) in
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|
let res = Location.wrap ~loc new_decl in
|
|
hook (bind_list_cons res acc) declarations
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|
in hook (ok @@ []) (List.rev declarations)
|
|
|
|
let simpl_program : Raw.ast -> program result =
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fun t -> simpl_declaration_list @@ nseq_to_list t.decl
|