diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/PrintPure.ml | 54 | ||||
| -rw-r--r-- | src/Pure.ml | 1 | ||||
| -rw-r--r-- | src/SymbolicToPure.ml | 53 | ||||
| -rw-r--r-- | src/Translate.ml | 22 | ||||
| -rw-r--r-- | src/TypesUtils.ml | 9 | ||||
| -rw-r--r-- | src/main.ml | 4 |
6 files changed, 120 insertions, 23 deletions
diff --git a/src/PrintPure.ml b/src/PrintPure.ml index 54c2bedf..5e9e110a 100644 --- a/src/PrintPure.ml +++ b/src/PrintPure.ml @@ -68,16 +68,29 @@ let integer_type_to_string = Print.Types.integer_type_to_string let scalar_value_to_string = Print.Values.scalar_value_to_string +let mk_type_formatter (type_defs : T.type_def TypeDefId.Map.t) + (type_params : type_var list) : type_formatter = + let type_var_id_to_string vid = + let var = T.TypeVarId.nth type_params vid in + type_var_to_string var + in + let type_def_id_to_string def_id = + let def = T.TypeDefId.Map.find def_id type_defs in + name_to_string def.name + in + { type_var_id_to_string; type_def_id_to_string } + (* TODO: there is a bit of duplication with Print.fun_def_to_ast_formatter. TODO: use the pure defs as inputs? Note that it is a bit annoying for the functions (there is a difference between the forward/backward functions...) while we only need those definitions to lookup proper names for the def ids. *) -let fun_def_to_ast_formatter (type_defs : T.type_def TypeDefId.Map.t) - (fun_defs : A.fun_def FunDefId.Map.t) (fdef : A.fun_def) : ast_formatter = +let mk_ast_formatter (type_defs : T.type_def TypeDefId.Map.t) + (fun_defs : A.fun_def FunDefId.Map.t) (type_params : type_var list) : + ast_formatter = let type_var_id_to_string vid = - let var = T.TypeVarId.nth fdef.signature.type_params vid in + let var = T.TypeVarId.nth type_params vid in type_var_to_string var in let type_def_id_to_string def_id = @@ -117,7 +130,9 @@ let type_id_to_string (fmt : type_formatter) (id : T.type_id) : string = | T.Tuple -> "" | T.Assumed aty -> ( match aty with - | Box -> (* Boxes should have been eliminated *) failwith "Unreachable") + | Box -> + (* Boxes should have been eliminated *) + failwith "Unreachable: boxes should have been eliminated") let rec ty_to_string (fmt : type_formatter) (ty : ty) : string = match ty with @@ -144,15 +159,8 @@ let variant_to_string fmt (v : variant) : string = ^ String.concat ", " (List.map (field_to_string fmt) v.fields) ^ ")" -let type_def_to_string (type_def_id_to_string : TypeDefId.id -> string) - (def : type_def) : string = +let type_def_to_string (fmt : type_formatter) (def : type_def) : string = let types = def.type_params in - let type_var_id_to_string id = - match List.find_opt (fun tv -> tv.T.index = id) types with - | Some tv -> type_var_to_string tv - | None -> failwith "Unreachable" - in - let fmt = { type_var_id_to_string; type_def_id_to_string } in let name = name_to_string def.name in let params = if types = [] then "" @@ -297,6 +305,11 @@ let regular_fun_id_to_string (fmt : ast_formatter) (fun_id : A.fun_id) : string | A.BoxDerefMut -> "core::ops::deref::DerefMut::deref_mut" | A.BoxFree -> "alloc::alloc::box_free") +let fun_suffix (rg_id : T.RegionGroupId.id option) : string = + match rg_id with + | None -> "" + | Some rg_id -> "@" ^ T.RegionGroupId.to_string rg_id + let unop_to_string (unop : unop) : string = match unop with Not -> "¬" | Neg _ -> "-" @@ -304,11 +317,9 @@ let binop_to_string = Print.CfimAst.binop_to_string let fun_id_to_string (fmt : ast_formatter) (fun_id : fun_id) : string = match fun_id with - | Regular (fun_id, rg_id) -> ( + | Regular (fun_id, rg_id) -> let f = regular_fun_id_to_string fmt fun_id in - match rg_id with - | None -> f - | Some rg_id -> f ^ "@" ^ T.RegionGroupId.to_string rg_id) + f ^ fun_suffix rg_id | Unop unop -> unop_to_string unop | Binop (binop, int_ty) -> binop_to_string binop ^ "<" ^ integer_type_to_string int_ty ^ ">" @@ -416,3 +427,14 @@ and switch_to_string (fmt : ast_formatter) (indent : string) in let branches = List.map branch_to_string branches in indent ^ "match " ^ scrut ^ " with\n" ^ String.concat "\n" branches + +let fun_def_to_string (fmt : ast_formatter) (def : fun_def) : string = + let type_fmt = ast_to_type_formatter fmt in + let name = name_to_string def.basename ^ fun_suffix def.back_id in + let signature = fun_sig_to_string fmt def.signature in + let inputs = List.map (var_to_string type_fmt) def.inputs in + let inputs = + if inputs = [] then "" else " fun " ^ String.concat " " inputs ^ " ->\n" + in + let body = expression_to_string fmt " " " " def.body in + "let " ^ name ^ " : " ^ signature ^ " =\n" ^ inputs ^ body diff --git a/src/Pure.ml b/src/Pure.ml index b7a61ab0..0016aedb 100644 --- a/src/Pure.ml +++ b/src/Pure.ml @@ -227,6 +227,7 @@ type inst_fun_sig = { inputs : ty list; outputs : ty list } type fun_def = { def_id : FunDefId.id; + back_id : T.RegionGroupId.id option; basename : name; (** The "base" name of the function. diff --git a/src/SymbolicToPure.ml b/src/SymbolicToPure.ml index e246e804..63c40f20 100644 --- a/src/SymbolicToPure.ml +++ b/src/SymbolicToPure.ml @@ -213,6 +213,29 @@ type bs_ctx = { (** Body synthesis context *) (* TODO: move *) +let type_def_to_string (ctx : bs_ctx) (def : type_def) : string = + let type_params = def.type_params in + let type_defs = ctx.type_context.cfim_type_defs in + let fmt = PrintPure.mk_type_formatter type_defs type_params in + PrintPure.type_def_to_string fmt def + +(* TODO: move *) +let fun_sig_to_string (ctx : bs_ctx) (sg : fun_sig) : string = + let type_params = sg.type_params in + let type_defs = ctx.type_context.cfim_type_defs in + let fun_defs = ctx.fun_context.cfim_fun_defs in + let fmt = PrintPure.mk_ast_formatter type_defs fun_defs type_params in + PrintPure.fun_sig_to_string fmt sg + +(* TODO: move *) +let fun_def_to_string (ctx : bs_ctx) (def : Pure.fun_def) : string = + let type_params = def.signature.type_params in + let type_defs = ctx.type_context.cfim_type_defs in + let fun_defs = ctx.fun_context.cfim_fun_defs in + let fmt = PrintPure.mk_ast_formatter type_defs fun_defs type_params in + PrintPure.fun_def_to_string fmt def + +(* TODO: move *) let bs_ctx_to_value_formatter (ctx : bs_ctx) : Print.CfimAst.ast_formatter = Print.CfimAst.fun_def_to_ast_formatter ctx.type_context.cfim_type_defs ctx.fun_context.cfim_fun_defs ctx.fun_def @@ -340,14 +363,21 @@ let translate_type_def (def : T.type_def) : type_def = let rec translate_fwd_ty (types_infos : TA.type_infos) (ty : 'r T.ty) : ty = let translate = translate_fwd_ty types_infos in match ty with - | T.Adt (type_id, regions, tys) -> + | T.Adt (type_id, regions, tys) -> ( (* Can't translate types with regions for now *) assert (regions = []); (* No general parametricity for now *) assert (not (List.exists (TypesUtils.ty_has_borrows types_infos) tys)); (* Translate the type parameters *) let tys = List.map translate tys in - Adt (type_id, tys) + (* Eliminate boxes *) + match type_id with + | T.AdtId _ | Tuple -> Adt (type_id, tys) + | T.Assumed T.Box -> ( + match tys with + | [ bty ] -> bty + | _ -> + failwith "Unreachable: boxes receive exactly one type parameter")) | TypeVar vid -> TypeVar vid | Bool -> Bool | Char -> Char @@ -381,13 +411,21 @@ let rec translate_back_ty (types_infos : TA.type_infos) match ty with | T.Adt (type_id, _, tys) -> ( match type_id with - | T.AdtId _ | Assumed _ -> + | T.AdtId _ -> (* Don't accept ADTs (which are not tuples) with borrows for now *) assert (not (TypesUtils.ty_has_borrows types_infos ty)); if inside_mut then let tys_t = List.filter_map translate tys in Some (Adt (type_id, tys_t)) else None + | Assumed T.Box -> ( + (* Don't accept ADTs (which are not tuples) with borrows for now *) + assert (not (TypesUtils.ty_has_borrows types_infos ty)); + (* Eliminate the box *) + match tys with + | [ bty ] -> translate bty + | _ -> + failwith "Unreachable: boxes receive exactly one type parameter") | T.Tuple -> ( (* Tuples can contain borrows (which we eliminated) *) let tys_t = List.filter_map translate tys in @@ -1214,7 +1252,14 @@ let translate_fun_def (ctx : bs_ctx) (body : S.expression) : fun_def = List.for_all (fun (var, ty) -> (var : var).ty = ty) (List.combine inputs signature.inputs)); - { def_id; basename; signature; inputs; body } + let def = { def_id; back_id = bid; basename; signature; inputs; body } in + (* Debugging *) + log#ldebug + (lazy + ("SymbolicToPure.translate_fun_def: translated:\n" + ^ fun_def_to_string ctx def)); + (* return *) + def let translate_type_defs (type_defs : T.type_def list) : type_def TypeDefId.Map.t = diff --git a/src/Translate.ml b/src/Translate.ml index ce9f085c..58847d42 100644 --- a/src/Translate.ml +++ b/src/Translate.ml @@ -9,6 +9,28 @@ module SA = SymbolicAst (** The local logger *) let log = L.translate_log +type trans_ctx = { type_context : C.type_context; fun_context : C.fun_context } + +let type_def_to_string (ctx : trans_ctx) (def : Pure.type_def) : string = + let type_params = def.type_params in + let type_defs = ctx.type_context.type_defs in + let fmt = PrintPure.mk_type_formatter type_defs type_params in + PrintPure.type_def_to_string fmt def + +let fun_sig_to_string (ctx : trans_ctx) (sg : Pure.fun_sig) : string = + let type_params = sg.type_params in + let type_defs = ctx.type_context.type_defs in + let fun_defs = ctx.fun_context.fun_defs in + let fmt = PrintPure.mk_ast_formatter type_defs fun_defs type_params in + PrintPure.fun_sig_to_string fmt sg + +let fun_def_to_string (ctx : trans_ctx) (def : Pure.fun_def) : string = + let type_params = def.signature.type_params in + let type_defs = ctx.type_context.type_defs in + let fun_defs = ctx.fun_context.fun_defs in + let fmt = PrintPure.mk_ast_formatter type_defs fun_defs type_params in + PrintPure.fun_def_to_string fmt def + type symbolic_fun_translation = V.symbolic_value list * SA.expression (** The result of running the symbolic interpreter on a function: - the list of symbolic values used for the input values diff --git a/src/TypesUtils.ml b/src/TypesUtils.ml index 1eac5cee..e6e59a51 100644 --- a/src/TypesUtils.ml +++ b/src/TypesUtils.ml @@ -12,10 +12,15 @@ let type_def_get_fields (def : type_def) (opt_variant_id : VariantId.id option) | Enum variants, Some variant_id -> (VariantId.nth variants variant_id).fields | Struct fields, None -> fields | _ -> + let opt_variant_id = + match opt_variant_id with None -> "None" | Some _ -> "Some" + in raise (Invalid_argument - "The variant id should be [Some] if and only if the definition is \ - an enumeration") + ("The variant id should be [Some] if and only if the definition is \ + an enumeration:\n\ + - def: " ^ show_type_def def ^ "\n- opt_variant_id: " + ^ opt_variant_id)) (** Return [true] if a [ty] is actually `unit` *) let ty_is_unit (ty : 'r ty) : bool = diff --git a/src/main.ml b/src/main.ml index 46b54d55..a4de3d7a 100644 --- a/src/main.ml +++ b/src/main.ml @@ -59,7 +59,9 @@ let () = (* Load the module *) let json = Yojson.Basic.from_file !filename in match cfim_module_of_json json with - | Error s -> main_log#error "error: %s\n" s + | Error s -> + main_log#error "error: %s\n" s; + exit 1 | Ok m -> (* Print the module *) main_log#ldebug (lazy ("\n" ^ Print.Module.module_to_string m ^ "\n")); |