diff options
Diffstat (limited to '')
-rw-r--r-- | compiler/Contexts.ml | 73 | ||||
-rw-r--r-- | compiler/Interpreter.ml | 20 | ||||
-rw-r--r-- | compiler/InterpreterBorrows.ml | 10 | ||||
-rw-r--r-- | compiler/InterpreterExpansion.ml | 147 | ||||
-rw-r--r-- | compiler/InterpreterExpressions.ml | 94 | ||||
-rw-r--r-- | compiler/InterpreterLoopsFixedPoint.ml | 4 | ||||
-rw-r--r-- | compiler/InterpreterPaths.ml | 12 | ||||
-rw-r--r-- | compiler/InterpreterStatements.ml | 46 | ||||
-rw-r--r-- | compiler/Main.ml | 2 | ||||
-rw-r--r-- | compiler/SynthesizeSymbolic.ml | 35 | ||||
-rw-r--r-- | compiler/Translate.ml | 6 |
11 files changed, 226 insertions, 223 deletions
diff --git a/compiler/Contexts.ml b/compiler/Contexts.ml index 2563bd9d..6cdae078 100644 --- a/compiler/Contexts.ml +++ b/compiler/Contexts.ml @@ -5,6 +5,7 @@ open LlbcAst open LlbcAstUtils open ValuesUtils open Identifiers +open Errors module L = Logging (** The [Id] module for dummy variables. @@ -285,7 +286,7 @@ let lookup_const_generic_var (ctx : eval_ctx) (vid : ConstGenericVarId.id) : ConstGenericVarId.nth ctx.const_generic_vars vid (** Lookup a variable in the current frame *) -let env_lookup_var (env : env) (vid : VarId.id) : var_binder * typed_value = +let env_lookup_var (meta : Meta.meta) (env : env) (vid : VarId.id) : var_binder * typed_value = (* We take care to stop at the end of current frame: different variables in different frames can have the same id! *) @@ -296,12 +297,12 @@ let env_lookup_var (env : env) (vid : VarId.id) : var_binder * typed_value = | EBinding (BVar var, v) :: env' -> if var.index = vid then (var, v) else lookup env' | (EBinding (BDummy _, _) | EAbs _) :: env' -> lookup env' - | EFrame :: _ -> raise (Failure "End of frame") + | EFrame :: _ -> craise meta "End of frame" in lookup env -let ctx_lookup_var_binder (ctx : eval_ctx) (vid : VarId.id) : var_binder = - fst (env_lookup_var ctx.env vid) +let ctx_lookup_var_binder (meta : Meta.meta) (ctx : eval_ctx) (vid : VarId.id) : var_binder = + fst (env_lookup_var meta ctx.env vid) let ctx_lookup_type_decl (ctx : eval_ctx) (tid : TypeDeclId.id) : type_decl = TypeDeclId.Map.find tid ctx.type_ctx.type_decls @@ -320,12 +321,12 @@ let ctx_lookup_trait_impl (ctx : eval_ctx) (id : TraitImplId.id) : trait_impl = TraitImplId.Map.find id ctx.trait_impls_ctx.trait_impls (** Retrieve a variable's value in the current frame *) -let env_lookup_var_value (env : env) (vid : VarId.id) : typed_value = - snd (env_lookup_var env vid) +let env_lookup_var_value (meta : Meta.meta) (env : env) (vid : VarId.id) : typed_value = + snd (env_lookup_var meta env vid) (** Retrieve a variable's value in an evaluation context *) -let ctx_lookup_var_value (ctx : eval_ctx) (vid : VarId.id) : typed_value = - env_lookup_var_value ctx.env vid +let ctx_lookup_var_value (meta : Meta.meta) (ctx : eval_ctx) (vid : VarId.id) : typed_value = + env_lookup_var_value meta ctx.env vid (** Retrieve a const generic value in an evaluation context *) let ctx_lookup_const_generic_value (ctx : eval_ctx) (vid : ConstGenericVarId.id) @@ -337,18 +338,18 @@ let ctx_lookup_const_generic_value (ctx : eval_ctx) (vid : ConstGenericVarId.id) This is a helper function: it can break invariants and doesn't perform any check. *) -let env_update_var_value (env : env) (vid : VarId.id) (nv : typed_value) : env = +let env_update_var_value (meta : Meta.meta) (env : env) (vid : VarId.id) (nv : typed_value) : env = (* We take care to stop at the end of current frame: different variables in different frames can have the same id! *) let rec update env = match env with - | [] -> raise (Failure "Unexpected") + | [] -> craise meta "Unexpected" | EBinding ((BVar b as var), v) :: env' -> if b.index = vid then EBinding (var, nv) :: env' else EBinding (var, v) :: update env' | ((EBinding (BDummy _, _) | EAbs _) as ee) :: env' -> ee :: update env' - | EFrame :: _ -> raise (Failure "End of frame") + | EFrame :: _ -> craise meta "End of frame" in update env @@ -360,17 +361,17 @@ let var_to_binder (var : var) : var_binder = This is a helper function: it can break invariants and doesn't perform any check. *) -let ctx_update_var_value (ctx : eval_ctx) (vid : VarId.id) (nv : typed_value) : +let ctx_update_var_value (meta : Meta.meta) (ctx : eval_ctx) (vid : VarId.id) (nv : typed_value) : eval_ctx = - { ctx with env = env_update_var_value ctx.env vid nv } + { ctx with env = env_update_var_value meta ctx.env vid nv } (** Push a variable in the context's environment. Checks that the pushed variable and its value have the same type (this is important). *) -let ctx_push_var (ctx : eval_ctx) (var : var) (v : typed_value) : eval_ctx = - assert (TypesUtils.ty_is_ety var.var_ty && var.var_ty = v.ty); +let ctx_push_var (meta : Meta.meta) (ctx : eval_ctx) (var : var) (v : typed_value) : eval_ctx = + cassert (TypesUtils.ty_is_ety var.var_ty && var.var_ty = v.ty) meta "Pushed variables and their values do not have the same type TODO: Error message"; let bv = var_to_binder var in { ctx with env = EBinding (BVar bv, v) :: ctx.env } @@ -379,7 +380,7 @@ let ctx_push_var (ctx : eval_ctx) (var : var) (v : typed_value) : eval_ctx = Checks that the pushed variables and their values have the same type (this is important). *) -let ctx_push_vars (ctx : eval_ctx) (vars : (var * typed_value) list) : eval_ctx +let ctx_push_vars (meta : Meta.meta) (ctx : eval_ctx) (vars : (var * typed_value) list) : eval_ctx = log#ldebug (lazy @@ -390,11 +391,11 @@ let ctx_push_vars (ctx : eval_ctx) (vars : (var * typed_value) list) : eval_ctx (* We can unfortunately not use Print because it depends on Contexts... *) show_var var ^ " -> " ^ show_typed_value value) vars))); - assert ( + cassert ( List.for_all (fun (var, (value : typed_value)) -> TypesUtils.ty_is_ety var.var_ty && var.var_ty = value.ty) - vars); + vars) meta "Pushed variables and their values do not have the same type TODO: Error message"; let vars = List.map (fun (var, value) -> EBinding (BVar (var_to_binder var), value)) @@ -416,11 +417,11 @@ let ctx_push_fresh_dummy_vars (ctx : eval_ctx) (vl : typed_value list) : List.fold_left (fun ctx v -> ctx_push_fresh_dummy_var ctx v) ctx vl (** Remove a dummy variable from a context's environment. *) -let ctx_remove_dummy_var (ctx : eval_ctx) (vid : DummyVarId.id) : +let ctx_remove_dummy_var meta (ctx : eval_ctx) (vid : DummyVarId.id) : eval_ctx * typed_value = let rec remove_var (env : env) : env * typed_value = match env with - | [] -> raise (Failure "Could not lookup a dummy variable") + | [] -> craise meta "Could not lookup a dummy variable" | EBinding (BDummy vid', v) :: env when vid' = vid -> (env, v) | ee :: env -> let env, v = remove_var env in @@ -430,10 +431,10 @@ let ctx_remove_dummy_var (ctx : eval_ctx) (vid : DummyVarId.id) : ({ ctx with env }, v) (** Lookup a dummy variable in a context's environment. *) -let ctx_lookup_dummy_var (ctx : eval_ctx) (vid : DummyVarId.id) : typed_value = +let ctx_lookup_dummy_var (meta : Meta.meta) (ctx : eval_ctx) (vid : DummyVarId.id) : typed_value = let rec lookup_var (env : env) : typed_value = match env with - | [] -> raise (Failure "Could not lookup a dummy variable") + | [] -> craise meta "Could not lookup a dummy variable" | EBinding (BDummy vid', v) :: _env when vid' = vid -> v | _ :: env -> lookup_var env in @@ -449,13 +450,13 @@ let erase_regions (ty : ty) : ty = v#visit_ty () ty (** Push an uninitialized variable (which thus maps to {!constructor:Values.value.VBottom}) *) -let ctx_push_uninitialized_var (ctx : eval_ctx) (var : var) : eval_ctx = - ctx_push_var ctx var (mk_bottom (erase_regions var.var_ty)) +let ctx_push_uninitialized_var (meta : Meta.meta) (ctx : eval_ctx) (var : var) : eval_ctx = + ctx_push_var meta ctx var (mk_bottom (erase_regions var.var_ty)) (** Push a list of uninitialized variables (which thus map to {!constructor:Values.value.VBottom}) *) -let ctx_push_uninitialized_vars (ctx : eval_ctx) (vars : var list) : eval_ctx = +let ctx_push_uninitialized_vars (meta : Meta.meta) (ctx : eval_ctx) (vars : var list) : eval_ctx = let vars = List.map (fun v -> (v, mk_bottom (erase_regions v.var_ty))) vars in - ctx_push_vars ctx vars + ctx_push_vars meta ctx vars let env_find_abs (env : env) (pred : abs -> bool) : abs option = let rec lookup env = @@ -474,10 +475,10 @@ let env_lookup_abs_opt (env : env) (abs_id : AbstractionId.id) : abs option = this abstraction (for instance, remove the abs id from all the parent sets of all the other abstractions). *) -let env_remove_abs (env : env) (abs_id : AbstractionId.id) : env * abs option = +let env_remove_abs (meta : Meta.meta) (env : env) (abs_id : AbstractionId.id) : env * abs option = let rec remove (env : env) : env * abs option = match env with - | [] -> raise (Failure "Unreachable") + | [] -> craise meta "Unreachable" | EFrame :: _ -> (env, None) | EBinding (bv, v) :: env -> let env, abs_opt = remove env in @@ -499,11 +500,11 @@ let env_remove_abs (env : env) (abs_id : AbstractionId.id) : env * abs option = we also substitute the abstraction id wherever it is used (i.e., in the parent sets of the other abstractions). *) -let env_subst_abs (env : env) (abs_id : AbstractionId.id) (nabs : abs) : +let env_subst_abs (meta : Meta.meta) (env : env) (abs_id : AbstractionId.id) (nabs : abs) : env * abs option = let rec update (env : env) : env * abs option = match env with - | [] -> raise (Failure "Unreachable") + | [] -> craise meta "Unreachable" | EFrame :: _ -> (* We're done *) (env, None) | EBinding (bv, v) :: env -> let env, opt_abs = update env in @@ -535,22 +536,22 @@ let ctx_find_abs (ctx : eval_ctx) (p : abs -> bool) : abs option = env_find_abs ctx.env p (** See the comments for {!env_remove_abs} *) -let ctx_remove_abs (ctx : eval_ctx) (abs_id : AbstractionId.id) : +let ctx_remove_abs (meta : Meta.meta) (ctx : eval_ctx) (abs_id : AbstractionId.id) : eval_ctx * abs option = - let env, abs = env_remove_abs ctx.env abs_id in + let env, abs = env_remove_abs meta ctx.env abs_id in ({ ctx with env }, abs) (** See the comments for {!env_subst_abs} *) -let ctx_subst_abs (ctx : eval_ctx) (abs_id : AbstractionId.id) (nabs : abs) : +let ctx_subst_abs (meta : Meta.meta) (ctx : eval_ctx) (abs_id : AbstractionId.id) (nabs : abs) : eval_ctx * abs option = - let env, abs_opt = env_subst_abs ctx.env abs_id nabs in + let env, abs_opt = env_subst_abs meta ctx.env abs_id nabs in ({ ctx with env }, abs_opt) -let ctx_set_abs_can_end (ctx : eval_ctx) (abs_id : AbstractionId.id) +let ctx_set_abs_can_end (meta : Meta.meta) (ctx : eval_ctx) (abs_id : AbstractionId.id) (can_end : bool) : eval_ctx = let abs = ctx_lookup_abs ctx abs_id in let abs = { abs with can_end } in - fst (ctx_subst_abs ctx abs_id abs) + fst (ctx_subst_abs meta ctx abs_id abs) let ctx_type_decl_is_rec (ctx : eval_ctx) (id : TypeDeclId.id) : bool = let decl_group = TypeDeclId.Map.find id ctx.type_ctx.type_decls_groups in diff --git a/compiler/Interpreter.ml b/compiler/Interpreter.ml index ccae4588..961a64a4 100644 --- a/compiler/Interpreter.ml +++ b/compiler/Interpreter.ml @@ -173,7 +173,7 @@ let symbolic_instantiate_fun_sig (ctx : eval_ctx) (sg : fun_sig) - the list of symbolic values introduced for the input values - the instantiated function signature *) -let initialize_symbolic_context_for_fun (ctx : decls_ctx) (fdef : fun_decl) : +let initialize_symbolic_context_for_fun (meta : Meta.meta) (ctx : decls_ctx) (fdef : fun_decl) : eval_ctx * symbolic_value list * inst_fun_sig = (* The abstractions are not initialized the same way as for function * calls: they contain *loan* projectors, because they "provide" us @@ -232,12 +232,12 @@ let initialize_symbolic_context_for_fun (ctx : decls_ctx) (fdef : fun_decl) : Collections.List.split_at (List.tl body.locals) body.arg_count in (* Push the return variable (initialized with ⊥) *) - let ctx = ctx_push_uninitialized_var ctx ret_var in + let ctx = ctx_push_uninitialized_var meta ctx ret_var in (* Push the input variables (initialized with symbolic values) *) let input_values = List.map mk_typed_value_from_symbolic_value input_svs in - let ctx = ctx_push_vars ctx (List.combine input_vars input_values) in + let ctx = ctx_push_vars meta ctx (List.combine input_vars input_values) in (* Push the remaining local variables (initialized with ⊥) *) - let ctx = ctx_push_uninitialized_vars ctx local_vars in + let ctx = ctx_push_uninitialized_vars meta ctx local_vars in (* Return *) (ctx, input_svs, inst_sg) @@ -468,7 +468,7 @@ let evaluate_function_symbolic_synthesize_backward_from_return (config : config) for the synthesis) - the symbolic AST generated by the symbolic execution *) -let evaluate_function_symbolic (synthesize : bool) (ctx : decls_ctx) +let evaluate_function_symbolic (meta : Meta.meta) (synthesize : bool) (ctx : decls_ctx) (fdef : fun_decl) : symbolic_value list * SA.expression option = (* Debug *) let name_to_string () = @@ -479,7 +479,7 @@ let evaluate_function_symbolic (synthesize : bool) (ctx : decls_ctx) log#ldebug (lazy ("evaluate_function_symbolic: " ^ name_to_string ())); (* Create the evaluation context *) - let ctx, input_svs, inst_sg = initialize_symbolic_context_for_fun ctx fdef in + let ctx, input_svs, inst_sg = initialize_symbolic_context_for_fun meta ctx fdef in let regions_hierarchy = FunIdMap.find (FRegular fdef.def_id) ctx.fun_ctx.regions_hierarchies @@ -612,7 +612,7 @@ module Test = struct (** Test a unit function (taking no arguments) by evaluating it in an empty environment. *) - let test_unit_function (crate : crate) (decls_ctx : decls_ctx) + let test_unit_function (meta : Meta.meta) (crate : crate) (decls_ctx : decls_ctx) (fid : FunDeclId.id) : unit = (* Retrieve the function declaration *) let fdef = FunDeclId.Map.find fid crate.fun_decls in @@ -634,7 +634,7 @@ module Test = struct let ctx = initialize_eval_ctx decls_ctx [] [] [] in (* Insert the (uninitialized) local variables *) - let ctx = ctx_push_uninitialized_vars ctx body.locals in + let ctx = ctx_push_uninitialized_vars meta ctx body.locals in (* Create the continuation to check the function's result *) let config = mk_config ConcreteMode in @@ -665,7 +665,7 @@ module Test = struct && def.signature.inputs = [] (** Test all the unit functions in a list of function definitions *) - let test_unit_functions (crate : crate) : unit = + let test_unit_functions (meta : Meta.meta) (crate : crate) : unit = let unit_funs = FunDeclId.Map.filter (fun _ -> fun_decl_is_transparent_unit) @@ -673,7 +673,7 @@ module Test = struct in let decls_ctx = compute_contexts crate in let test_unit_fun _ (def : fun_decl) : unit = - test_unit_function crate decls_ctx def.def_id + test_unit_function meta crate decls_ctx def.def_id in FunDeclId.Map.iter test_unit_fun unit_funs end diff --git a/compiler/InterpreterBorrows.ml b/compiler/InterpreterBorrows.ml index ae251fbf..e37a67b7 100644 --- a/compiler/InterpreterBorrows.ml +++ b/compiler/InterpreterBorrows.ml @@ -1030,7 +1030,7 @@ and end_abstraction_aux (meta : Meta.meta) (config : config) (chain : borrow_or_ (* Remove all the references to the id of the current abstraction, and remove * the abstraction itself. * **Rk.**: this is where we synthesize the updated symbolic AST *) - let cc = comp cc (end_abstraction_remove_from_context config abs_id) in + let cc = comp cc (end_abstraction_remove_from_context meta config abs_id) in (* Debugging *) let cc = @@ -1273,10 +1273,10 @@ and end_abstraction_borrows (meta : Meta.meta) (config : config) (chain : borrow end_abstraction_borrows meta config chain abs_id cf ctx (** Remove an abstraction from the context, as well as all its references *) -and end_abstraction_remove_from_context (_config : config) +and end_abstraction_remove_from_context (meta : Meta.meta) (_config : config) (abs_id : AbstractionId.id) : cm_fun = fun cf ctx -> - let ctx, abs = ctx_remove_abs ctx abs_id in + let ctx, abs = ctx_remove_abs meta ctx abs_id in let abs = Option.get abs in (* Apply the continuation *) let expr = cf ctx in @@ -2502,8 +2502,8 @@ let merge_into_abstraction (meta : Meta.meta) (abs_kind : abs_kind) (can_end : b (* Update the environment: replace the abstraction 1 with the result of the merge, remove the abstraction 0 *) - let ctx = fst (ctx_subst_abs ctx abs_id1 nabs) in - let ctx = fst (ctx_remove_abs ctx abs_id0) in + let ctx = fst (ctx_subst_abs meta ctx abs_id1 nabs) in + let ctx = fst (ctx_remove_abs meta ctx abs_id0) in (* Merge all the regions from the abstraction into one (the first - i.e., the one with the smallest id). Note that we need to do this in the whole diff --git a/compiler/InterpreterExpansion.ml b/compiler/InterpreterExpansion.ml index e489ddc3..0a5a289e 100644 --- a/compiler/InterpreterExpansion.ml +++ b/compiler/InterpreterExpansion.ml @@ -13,6 +13,7 @@ open ValuesUtils open InterpreterUtils open InterpreterProjectors open Print.EvalCtx +open Errors module S = SynthesizeSymbolic (** The local logger *) @@ -47,7 +48,7 @@ type proj_kind = LoanProj | BorrowProj Note that 2. and 3. may have a little bit of duplicated code, but hopefully it would make things clearer. *) -let apply_symbolic_expansion_to_target_avalues (config : config) +let apply_symbolic_expansion_to_target_avalues (meta : Meta.meta) (config : config) (allow_reborrows : bool) (proj_kind : proj_kind) (original_sv : symbolic_value) (expansion : symbolic_expansion) (ctx : eval_ctx) : eval_ctx = @@ -65,7 +66,7 @@ let apply_symbolic_expansion_to_target_avalues (config : config) (** When visiting an abstraction, we remember the regions it owns to be able to properly reduce projectors when expanding symbolic values *) method! visit_abs current_abs abs = - assert (Option.is_none current_abs); + cassert (Option.is_none current_abs) meta "T"; let current_abs = Some abs in super#visit_abs current_abs abs @@ -77,7 +78,7 @@ let apply_symbolic_expansion_to_target_avalues (config : config) method! visit_aproj current_abs aproj = (match aproj with | AProjLoans (sv, _) | AProjBorrows (sv, _) -> - assert (not (same_symbolic_id sv original_sv)) + cassert (not (same_symbolic_id sv original_sv)) meta "T" | AEndedProjLoans _ | AEndedProjBorrows _ | AIgnoredProjBorrows -> ()); super#visit_aproj current_abs aproj @@ -97,7 +98,7 @@ let apply_symbolic_expansion_to_target_avalues (config : config) (* Check if this is the symbolic value we are looking for *) if same_symbolic_id sv original_sv then ( (* There mustn't be any given back values *) - assert (given_back = []); + cassert (given_back = []) meta "T"; (* Apply the projector *) let projected_value = apply_proj_loans_on_symbolic_expansion proj_regions @@ -145,11 +146,11 @@ let apply_symbolic_expansion_to_target_avalues (config : config) (** Auxiliary function. Apply a symbolic expansion to avalues in a context. *) -let apply_symbolic_expansion_to_avalues (config : config) +let apply_symbolic_expansion_to_avalues (meta : Meta.meta) (config : config) (allow_reborrows : bool) (original_sv : symbolic_value) (expansion : symbolic_expansion) (ctx : eval_ctx) : eval_ctx = let apply_expansion proj_kind ctx = - apply_symbolic_expansion_to_target_avalues config allow_reborrows proj_kind + apply_symbolic_expansion_to_target_avalues meta config allow_reborrows proj_kind original_sv expansion ctx in (* First target the loan projectors, then the borrow projectors *) @@ -162,12 +163,12 @@ let apply_symbolic_expansion_to_avalues (config : config) Simply replace the symbolic values (*not avalues*) in the context with a given value. Will break invariants if not used properly. *) -let replace_symbolic_values (at_most_once : bool) (original_sv : symbolic_value) +let replace_symbolic_values (meta : Meta.meta) (at_most_once : bool) (original_sv : symbolic_value) (nv : value) (ctx : eval_ctx) : eval_ctx = (* Count *) let replaced = ref false in let replace () = - if at_most_once then assert (not !replaced); + if at_most_once then cassert (not !replaced) meta "T"; replaced := true; nv in @@ -186,16 +187,16 @@ let replace_symbolic_values (at_most_once : bool) (original_sv : symbolic_value) (* Return *) ctx -let apply_symbolic_expansion_non_borrow (config : config) +let apply_symbolic_expansion_non_borrow (meta : Meta.meta) (config : config) (original_sv : symbolic_value) (expansion : symbolic_expansion) (ctx : eval_ctx) : eval_ctx = (* Apply the expansion to non-abstraction values *) let nv = symbolic_expansion_non_borrow_to_value original_sv expansion in let at_most_once = false in - let ctx = replace_symbolic_values at_most_once original_sv nv.value ctx in + let ctx = replace_symbolic_values meta at_most_once original_sv nv.value ctx in (* Apply the expansion to abstraction values *) let allow_reborrows = false in - apply_symbolic_expansion_to_avalues config allow_reborrows original_sv + apply_symbolic_expansion_to_avalues meta config allow_reborrows original_sv expansion ctx (** Compute the expansion of a non-assumed (i.e.: not [Box], etc.) @@ -208,13 +209,13 @@ let apply_symbolic_expansion_non_borrow (config : config) [expand_enumerations] controls the expansion of enumerations: if false, it doesn't allow the expansion of enumerations *containing several variants*. *) -let compute_expanded_symbolic_non_assumed_adt_value (expand_enumerations : bool) +let compute_expanded_symbolic_non_assumed_adt_value (meta : Meta.meta) (expand_enumerations : bool) (def_id : TypeDeclId.id) (generics : generic_args) (ctx : eval_ctx) : symbolic_expansion list = (* Lookup the definition and check if it is an enumeration with several * variants *) let def = ctx_lookup_type_decl ctx def_id in - assert (List.length generics.regions = List.length def.generics.regions); + cassert (List.length generics.regions = List.length def.generics.regions) meta "T"; (* Retrieve, for every variant, the list of its instantiated field types *) let variants_fields_types = AssociatedTypes.type_decl_get_inst_norm_variants_fields_rtypes ctx def @@ -222,7 +223,7 @@ let compute_expanded_symbolic_non_assumed_adt_value (expand_enumerations : bool) in (* Check if there is strictly more than one variant *) if List.length variants_fields_types > 1 && not expand_enumerations then - raise (Failure "Not allowed to expand enumerations with several variants"); + craise meta "Not allowed to expand enumerations with several variants"; (* Initialize the expanded value for a given variant *) let initialize ((variant_id, field_types) : VariantId.id option * rty list) : symbolic_expansion = @@ -260,21 +261,21 @@ let compute_expanded_symbolic_box_value (boxed_ty : rty) : symbolic_expansion = [expand_enumerations] controls the expansion of enumerations: if [false], it doesn't allow the expansion of enumerations *containing several variants*. *) -let compute_expanded_symbolic_adt_value (expand_enumerations : bool) +let compute_expanded_symbolic_adt_value (meta : Meta.meta) (expand_enumerations : bool) (adt_id : type_id) (generics : generic_args) (ctx : eval_ctx) : symbolic_expansion list = match (adt_id, generics.regions, generics.types) with | TAdtId def_id, _, _ -> - compute_expanded_symbolic_non_assumed_adt_value expand_enumerations def_id + compute_expanded_symbolic_non_assumed_adt_value meta expand_enumerations def_id generics ctx | TTuple, [], _ -> [ compute_expanded_symbolic_tuple_value generics.types ] | TAssumed TBox, [], [ boxed_ty ] -> [ compute_expanded_symbolic_box_value boxed_ty ] | _ -> - raise - (Failure "compute_expanded_symbolic_adt_value: unexpected combination") + craise + meta "compute_expanded_symbolic_adt_value: unexpected combination" -let expand_symbolic_value_shared_borrow (config : config) +let expand_symbolic_value_shared_borrow (meta : Meta.meta) (config : config) (original_sv : symbolic_value) (original_sv_place : SA.mplace option) (ref_ty : rty) : cm_fun = fun cf ctx -> @@ -307,7 +308,7 @@ let expand_symbolic_value_shared_borrow (config : config) Some [ AsbBorrow bid; shared_asb ] else (* Not in the set: ignore *) Some [ shared_asb ] - | _ -> raise (Failure "Unexpected") + | _ -> craise meta "Unexpected" else None in (* The fresh symbolic value for the shared value *) @@ -324,7 +325,7 @@ let expand_symbolic_value_shared_borrow (config : config) else super#visit_VSymbolic env sv method! visit_EAbs proj_regions abs = - assert (Option.is_none proj_regions); + cassert (Option.is_none proj_regions) meta "T"; let proj_regions = Some abs.regions in super#visit_EAbs proj_regions abs @@ -349,7 +350,7 @@ let expand_symbolic_value_shared_borrow (config : config) method! visit_aproj proj_regions aproj = (match aproj with | AProjLoans (sv, _) | AProjBorrows (sv, _) -> - assert (not (same_symbolic_id sv original_sv)) + cassert (not (same_symbolic_id sv original_sv)) meta "T" | AEndedProjLoans _ | AEndedProjBorrows _ | AIgnoredProjBorrows -> ()); super#visit_aproj proj_regions aproj @@ -375,27 +376,27 @@ let expand_symbolic_value_shared_borrow (config : config) let ctx = obj#visit_eval_ctx None ctx in (* Finally, replace the projectors on loans *) let bids = !borrows in - assert (not (BorrowId.Set.is_empty bids)); + cassert (not (BorrowId.Set.is_empty bids)) meta "T"; let see = SeSharedRef (bids, shared_sv) in let allow_reborrows = true in let ctx = - apply_symbolic_expansion_to_avalues config allow_reborrows original_sv see + apply_symbolic_expansion_to_avalues meta config allow_reborrows original_sv see ctx in (* Call the continuation *) let expr = cf ctx in (* Update the synthesized program *) - S.synthesize_symbolic_expansion_no_branching original_sv original_sv_place see + S.synthesize_symbolic_expansion_no_branching meta original_sv original_sv_place see expr (** TODO: simplify and merge with the other expansion function *) -let expand_symbolic_value_borrow (config : config) +let expand_symbolic_value_borrow (meta : Meta.meta) (config : config) (original_sv : symbolic_value) (original_sv_place : SA.mplace option) (region : region) (ref_ty : rty) (rkind : ref_kind) : cm_fun = fun cf ctx -> - assert (region <> RErased); + cassert (region <> RErased) meta "T"; (* Check that we are allowed to expand the reference *) - assert (not (region_in_set region ctx.ended_regions)); + cassert (not (region_in_set region ctx.ended_regions)) meta "T"; (* Match on the reference kind *) match rkind with | RMut -> @@ -408,20 +409,20 @@ let expand_symbolic_value_borrow (config : config) * check that we perform exactly one substitution) *) let nv = symbolic_expansion_non_shared_borrow_to_value original_sv see in let at_most_once = true in - let ctx = replace_symbolic_values at_most_once original_sv nv.value ctx in + let ctx = replace_symbolic_values meta at_most_once original_sv nv.value ctx in (* Expand the symbolic avalues *) let allow_reborrows = true in let ctx = - apply_symbolic_expansion_to_avalues config allow_reborrows original_sv + apply_symbolic_expansion_to_avalues meta config allow_reborrows original_sv see ctx in (* Apply the continuation *) let expr = cf ctx in (* Update the synthesized program *) - S.synthesize_symbolic_expansion_no_branching original_sv original_sv_place + S.synthesize_symbolic_expansion_no_branching meta original_sv original_sv_place see expr | RShared -> - expand_symbolic_value_shared_borrow config original_sv original_sv_place + expand_symbolic_value_shared_borrow meta config original_sv original_sv_place ref_ty cf ctx (** A small helper. @@ -440,12 +441,12 @@ let expand_symbolic_value_borrow (config : config) We need this continuation separately (i.e., we can't compose it with the continuations in [see_cf_l]) because we perform a join *before* calling it. *) -let apply_branching_symbolic_expansions_non_borrow (config : config) +let apply_branching_symbolic_expansions_non_borrow (meta : Meta.meta) (config : config) (sv : symbolic_value) (sv_place : SA.mplace option) (see_cf_l : (symbolic_expansion option * st_cm_fun) list) (cf_after_join : st_m_fun) : m_fun = fun ctx -> - assert (see_cf_l <> []); + cassert (see_cf_l <> []) meta "T"; (* Apply the symbolic expansion in the context and call the continuation *) let resl = List.map @@ -456,7 +457,7 @@ let apply_branching_symbolic_expansions_non_borrow (config : config) let ctx = match see_opt with | None -> ctx - | Some see -> apply_symbolic_expansion_non_borrow config sv see ctx + | Some see -> apply_symbolic_expansion_non_borrow meta config sv see ctx in (* Debug *) log#ldebug @@ -475,15 +476,15 @@ let apply_branching_symbolic_expansions_non_borrow (config : config) match resl with | Some _ :: _ -> Some (List.map Option.get resl) | None :: _ -> - List.iter (fun res -> assert (res = None)) resl; + List.iter (fun res -> cassert (res = None) meta "T") resl; None - | _ -> raise (Failure "Unreachable") + | _ -> craise meta "Unreachable" in (* Synthesize and return *) let seel = List.map fst see_cf_l in - S.synthesize_symbolic_expansion sv sv_place seel subterms + S.synthesize_symbolic_expansion meta sv sv_place seel subterms -let expand_symbolic_bool (config : config) (sv : symbolic_value) +let expand_symbolic_bool (meta : Meta.meta) (config : config) (sv : symbolic_value) (sv_place : SA.mplace option) (cf_true : st_cm_fun) (cf_false : st_cm_fun) (cf_after_join : st_m_fun) : m_fun = fun ctx -> @@ -491,16 +492,16 @@ let expand_symbolic_bool (config : config) (sv : symbolic_value) let original_sv = sv in let original_sv_place = sv_place in let rty = original_sv.sv_ty in - assert (rty = TLiteral TBool); + cassert (rty = TLiteral TBool) meta "T"; (* Expand the symbolic value to true or false and continue execution *) let see_true = SeLiteral (VBool true) in let see_false = SeLiteral (VBool false) in let seel = [ (Some see_true, cf_true); (Some see_false, cf_false) ] in (* Apply the symbolic expansion (this also outputs the updated symbolic AST) *) - apply_branching_symbolic_expansions_non_borrow config original_sv + apply_branching_symbolic_expansions_non_borrow meta config original_sv original_sv_place seel cf_after_join ctx -let expand_symbolic_value_no_branching (config : config) (sv : symbolic_value) +let expand_symbolic_value_no_branching (meta : Meta.meta) (config : config) (sv : symbolic_value) (sv_place : SA.mplace option) : cm_fun = fun cf ctx -> (* Debug *) @@ -522,29 +523,29 @@ let expand_symbolic_value_no_branching (config : config) (sv : symbolic_value) (* Compute the expanded value *) let allow_branching = false in let seel = - compute_expanded_symbolic_adt_value allow_branching adt_id generics + compute_expanded_symbolic_adt_value meta allow_branching adt_id generics ctx in (* There should be exacly one branch *) let see = Collections.List.to_cons_nil seel in (* Apply in the context *) let ctx = - apply_symbolic_expansion_non_borrow config original_sv see ctx + apply_symbolic_expansion_non_borrow meta config original_sv see ctx in (* Call the continuation *) let expr = cf ctx in (* Update the synthesized program *) - S.synthesize_symbolic_expansion_no_branching original_sv + S.synthesize_symbolic_expansion_no_branching meta original_sv original_sv_place see expr (* Borrows *) | TRef (region, ref_ty, rkind) -> - expand_symbolic_value_borrow config original_sv original_sv_place region + expand_symbolic_value_borrow meta config original_sv original_sv_place region ref_ty rkind cf ctx | _ -> - raise - (Failure + craise + meta ("expand_symbolic_value_no_branching: unexpected type: " - ^ show_rty rty)) + ^ show_rty rty) in (* Debug *) let cc = @@ -556,12 +557,12 @@ let expand_symbolic_value_no_branching (config : config) (sv : symbolic_value) ^ "\n\n- original context:\n" ^ eval_ctx_to_string ctx0 ^ "\n\n- new context:\n" ^ eval_ctx_to_string ctx ^ "\n")); (* Sanity check: the symbolic value has disappeared *) - assert (not (symbolic_value_id_in_ctx original_sv.sv_id ctx))) + cassert (not (symbolic_value_id_in_ctx original_sv.sv_id ctx)) meta "T") in (* Continue *) cc cf ctx -let expand_symbolic_adt (config : config) (sv : symbolic_value) +let expand_symbolic_adt (meta : Meta.meta) (config : config) (sv : symbolic_value) (sv_place : SA.mplace option) (cf_branches : st_cm_fun) (cf_after_join : st_m_fun) : m_fun = fun ctx -> @@ -579,21 +580,21 @@ let expand_symbolic_adt (config : config) (sv : symbolic_value) let allow_branching = true in (* Compute the expanded value *) let seel = - compute_expanded_symbolic_adt_value allow_branching adt_id generics ctx + compute_expanded_symbolic_adt_value meta allow_branching adt_id generics ctx in (* Apply *) let seel = List.map (fun see -> (Some see, cf_branches)) seel in - apply_branching_symbolic_expansions_non_borrow config original_sv + apply_branching_symbolic_expansions_non_borrow meta config original_sv original_sv_place seel cf_after_join ctx | _ -> - raise (Failure ("expand_symbolic_adt: unexpected type: " ^ show_rty rty)) + craise meta ("expand_symbolic_adt: unexpected type: " ^ show_rty rty) -let expand_symbolic_int (config : config) (sv : symbolic_value) +let expand_symbolic_int (meta : Meta.meta) (config : config) (sv : symbolic_value) (sv_place : SA.mplace option) (int_type : integer_type) (tgts : (scalar_value * st_cm_fun) list) (otherwise : st_cm_fun) (cf_after_join : st_m_fun) : m_fun = (* Sanity check *) - assert (sv.sv_ty = TLiteral (TInteger int_type)); + cassert (sv.sv_ty = TLiteral (TInteger int_type)) meta "T"; (* For all the branches of the switch, we expand the symbolic value * to the value given by the branch and execute the branch statement. * For the otherwise branch, we leave the symbolic value as it is @@ -608,7 +609,7 @@ let expand_symbolic_int (config : config) (sv : symbolic_value) in let seel = List.append seel [ (None, otherwise) ] in (* Then expand and evaluate - this generates the proper symbolic AST *) - apply_branching_symbolic_expansions_non_borrow config sv sv_place seel + apply_branching_symbolic_expansions_non_borrow meta config sv sv_place seel cf_after_join (** Expand all the symbolic values which contain borrows. @@ -619,7 +620,7 @@ let expand_symbolic_int (config : config) (sv : symbolic_value) an enumeration with strictly more than one variant, a slice, etc.) or if we need to expand a recursive type (because this leads to looping). *) -let greedy_expand_symbolics_with_borrows (config : config) : cm_fun = +let greedy_expand_symbolics_with_borrows (meta : Meta.meta) (config : config) : cm_fun = fun cf ctx -> (* The visitor object, to look for symbolic values in the concrete environment *) let obj = @@ -660,33 +661,33 @@ let greedy_expand_symbolics_with_borrows (config : config) : cm_fun = (match def.kind with | Struct _ | Enum ([] | [ _ ]) -> () | Enum (_ :: _) -> - raise - (Failure + craise + meta ("Attempted to greedily expand a symbolic enumeration \ with > 1 variants (option \ [greedy_expand_symbolics_with_borrows] of [config]): " - ^ name_to_string ctx def.name)) + ^ name_to_string ctx def.name) | Opaque -> - raise (Failure "Attempted to greedily expand an opaque type")); + craise meta "Attempted to greedily expand an opaque type"); (* Also, we need to check if the definition is recursive *) if ctx_type_decl_is_rec ctx def_id then - raise - (Failure + craise + meta ("Attempted to greedily expand a recursive definition \ (option [greedy_expand_symbolics_with_borrows] of \ [config]): " - ^ name_to_string ctx def.name)) - else expand_symbolic_value_no_branching config sv None + ^ name_to_string ctx def.name) + else expand_symbolic_value_no_branching meta config sv None | TAdt ((TTuple | TAssumed TBox), _) | TRef (_, _, _) -> (* Ok *) - expand_symbolic_value_no_branching config sv None + expand_symbolic_value_no_branching meta config sv None | TAdt (TAssumed (TArray | TSlice | TStr), _) -> (* We can't expand those *) - raise - (Failure - "Attempted to greedily expand an ADT which can't be expanded ") + craise + meta + "Attempted to greedily expand an ADT which can't be expanded " | TVar _ | TLiteral _ | TNever | TTraitType _ | TArrow _ | TRawPtr _ -> - raise (Failure "Unreachable") + craise meta "Unreachable" in (* Compose and continue *) comp cc expand cf ctx @@ -694,9 +695,9 @@ let greedy_expand_symbolics_with_borrows (config : config) : cm_fun = (* Apply *) expand cf ctx -let greedy_expand_symbolic_values (config : config) : cm_fun = +let greedy_expand_symbolic_values (meta : Meta.meta) (config : config) : cm_fun = fun cf ctx -> if Config.greedy_expand_symbolics_with_borrows then ( log#ldebug (lazy "greedy_expand_symbolic_values"); - greedy_expand_symbolics_with_borrows config cf ctx) + greedy_expand_symbolics_with_borrows meta config cf ctx) else cf ctx diff --git a/compiler/InterpreterExpressions.ml b/compiler/InterpreterExpressions.ml index afbf4605..51be904f 100644 --- a/compiler/InterpreterExpressions.ml +++ b/compiler/InterpreterExpressions.ml @@ -23,7 +23,7 @@ let log = Logging.expressions_log Note that the place should have been prepared so that there are no remaining loans. *) -let expand_primitively_copyable_at_place (config : config) +let expand_primitively_copyable_at_place (meta : Meta.meta) (config : config) (access : access_kind) (p : place) : cm_fun = fun cf ctx -> (* Small helper *) @@ -36,7 +36,7 @@ let expand_primitively_copyable_at_place (config : config) | None -> cf ctx | Some sv -> let cc = - expand_symbolic_value_no_branching config sv (Some (mk_mplace p ctx)) + expand_symbolic_value_no_branching config sv (Some (mk_mplace meta p ctx)) in comp cc expand cf ctx in @@ -59,7 +59,7 @@ let read_place (access : access_kind) (p : place) (cf : typed_value -> m_fun) : (* Call the continuation *) cf v ctx -let access_rplace_reorganize_and_read (config : config) +let access_rplace_reorganize_and_read (meta : Meta.meta) (config : config) (expand_prim_copy : bool) (access : access_kind) (p : place) (cf : typed_value -> m_fun) : m_fun = fun ctx -> @@ -71,7 +71,7 @@ let access_rplace_reorganize_and_read (config : config) * borrows) *) let cc = if expand_prim_copy then - comp cc (expand_primitively_copyable_at_place config access p) + comp cc (expand_primitively_copyable_at_place meta config access p) else cc in (* Read the place - note that this checks that the value doesn't contain bottoms *) @@ -79,10 +79,10 @@ let access_rplace_reorganize_and_read (config : config) (* Compose *) comp cc read_place cf ctx -let access_rplace_reorganize (config : config) (expand_prim_copy : bool) +let access_rplace_reorganize (meta : Meta.meta) (config : config) (expand_prim_copy : bool) (access : access_kind) (p : place) : cm_fun = fun cf ctx -> - access_rplace_reorganize_and_read config expand_prim_copy access p + access_rplace_reorganize_and_read meta config expand_prim_copy access p (fun _v -> cf) ctx @@ -224,7 +224,7 @@ let rec copy_value (allow_adt_copy : bool) (config : config) (ctx : eval_ctx) what we do in the formalization (because we don't enforce the same constraints as MIR in the formalization). *) -let prepare_eval_operand_reorganize (config : config) (op : operand) : cm_fun = +let prepare_eval_operand_reorganize (meta : Meta.meta) (config : config) (op : operand) : cm_fun = fun cf ctx -> let prepare : cm_fun = fun cf ctx -> @@ -237,12 +237,12 @@ let prepare_eval_operand_reorganize (config : config) (op : operand) : cm_fun = let access = Read in (* Expand the symbolic values, if necessary *) let expand_prim_copy = true in - access_rplace_reorganize config expand_prim_copy access p cf ctx + access_rplace_reorganize meta config expand_prim_copy access p cf ctx | Move p -> (* Access the value *) let access = Move in let expand_prim_copy = false in - access_rplace_reorganize config expand_prim_copy access p cf ctx + access_rplace_reorganize meta config expand_prim_copy access p cf ctx in (* Apply *) prepare cf ctx @@ -358,7 +358,7 @@ let eval_operand_no_reorganize (config : config) (op : operand) (* Compose and apply *) comp cc move cf ctx -let eval_operand (config : config) (op : operand) (cf : typed_value -> m_fun) : +let eval_operand (meta : Meta.meta) (config : config) (op : operand) (cf : typed_value -> m_fun) : m_fun = fun ctx -> (* Debug *) @@ -368,7 +368,7 @@ let eval_operand (config : config) (op : operand) (cf : typed_value -> m_fun) : ^ eval_ctx_to_string ctx ^ "\n")); (* We reorganize the context, then evaluate the operand *) comp - (prepare_eval_operand_reorganize config op) + (prepare_eval_operand_reorganize meta config op) (eval_operand_no_reorganize config op) cf ctx @@ -376,16 +376,16 @@ let eval_operand (config : config) (op : operand) (cf : typed_value -> m_fun) : See [prepare_eval_operand_reorganize]. *) -let prepare_eval_operands_reorganize (config : config) (ops : operand list) : +let prepare_eval_operands_reorganize (meta : Meta.meta) (config : config) (ops : operand list) : cm_fun = - fold_left_apply_continuation (prepare_eval_operand_reorganize config) ops + fold_left_apply_continuation (prepare_eval_operand_reorganize meta config) ops (** Evaluate several operands. *) -let eval_operands (config : config) (ops : operand list) +let eval_operands (meta : Meta.meta) (config : config) (ops : operand list) (cf : typed_value list -> m_fun) : m_fun = fun ctx -> (* Prepare the operands *) - let prepare = prepare_eval_operands_reorganize config ops in + let prepare = prepare_eval_operands_reorganize meta config ops in (* Evaluate the operands *) let eval = fold_left_list_apply_continuation (eval_operand_no_reorganize config) ops @@ -393,9 +393,9 @@ let eval_operands (config : config) (ops : operand list) (* Compose and apply *) comp prepare eval cf ctx -let eval_two_operands (config : config) (op1 : operand) (op2 : operand) +let eval_two_operands (meta : Meta.meta) (config : config) (op1 : operand) (op2 : operand) (cf : typed_value * typed_value -> m_fun) : m_fun = - let eval_op = eval_operands config [ op1; op2 ] in + let eval_op = eval_operands meta config [ op1; op2 ] in let use_res cf res = match res with | [ v1; v2 ] -> cf (v1, v2) @@ -403,10 +403,10 @@ let eval_two_operands (config : config) (op1 : operand) (op2 : operand) in comp eval_op use_res cf -let eval_unary_op_concrete (config : config) (unop : unop) (op : operand) +let eval_unary_op_concrete (meta : Meta.meta) (config : config) (unop : unop) (op : operand) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = (* Evaluate the operand *) - let eval_op = eval_operand config op in + let eval_op = eval_operand meta config op in (* Apply the unop *) let apply cf (v : typed_value) : m_fun = match (unop, v.value) with @@ -451,11 +451,11 @@ let eval_unary_op_concrete (config : config) (unop : unop) (op : operand) in comp eval_op apply cf -let eval_unary_op_symbolic (config : config) (unop : unop) (op : operand) +let eval_unary_op_symbolic (meta : Meta.meta) (config : config) (unop : unop) (op : operand) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = fun ctx -> (* Evaluate the operand *) - let eval_op = eval_operand config op in + let eval_op = eval_operand meta config op in (* Generate a fresh symbolic value to store the result *) let apply cf (v : typed_value) : m_fun = fun ctx -> @@ -472,17 +472,17 @@ let eval_unary_op_symbolic (config : config) (unop : unop) (op : operand) let expr = cf (Ok (mk_typed_value_from_symbolic_value res_sv)) ctx in (* Synthesize the symbolic AST *) synthesize_unary_op ctx unop v - (mk_opt_place_from_op op ctx) + (mk_opt_place_from_op meta op ctx) res_sv None expr in (* Compose and apply *) comp eval_op apply cf ctx -let eval_unary_op (config : config) (unop : unop) (op : operand) +let eval_unary_op (meta : Meta.meta) (config : config) (unop : unop) (op : operand) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = match config.mode with - | ConcreteMode -> eval_unary_op_concrete config unop op cf - | SymbolicMode -> eval_unary_op_symbolic config unop op cf + | ConcreteMode -> eval_unary_op_concrete meta config unop op cf + | SymbolicMode -> eval_unary_op_symbolic meta config unop op cf (** Small helper for [eval_binary_op_concrete]: computes the result of applying the binop *after* the operands have been successfully evaluated @@ -557,10 +557,10 @@ let eval_binary_op_concrete_compute (binop : binop) (v1 : typed_value) | Ne | Eq -> raise (Failure "Unreachable")) | _ -> raise (Failure "Invalid inputs for binop") -let eval_binary_op_concrete (config : config) (binop : binop) (op1 : operand) +let eval_binary_op_concrete (meta : Meta.meta) (config : config) (binop : binop) (op1 : operand) (op2 : operand) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = (* Evaluate the operands *) - let eval_ops = eval_two_operands config op1 op2 in + let eval_ops = eval_two_operands meta config op1 op2 in (* Compute the result of the binop *) let compute cf (res : typed_value * typed_value) = let v1, v2 = res in @@ -569,11 +569,11 @@ let eval_binary_op_concrete (config : config) (binop : binop) (op1 : operand) (* Compose and apply *) comp eval_ops compute cf -let eval_binary_op_symbolic (config : config) (binop : binop) (op1 : operand) +let eval_binary_op_symbolic (meta : Meta.meta) (config : config) (binop : binop) (op1 : operand) (op2 : operand) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = fun ctx -> (* Evaluate the operands *) - let eval_ops = eval_two_operands config op1 op2 in + let eval_ops = eval_two_operands meta config op1 op2 in (* Compute the result of applying the binop *) let compute cf ((v1, v2) : typed_value * typed_value) : m_fun = fun ctx -> @@ -609,20 +609,20 @@ let eval_binary_op_symbolic (config : config) (binop : binop) (op1 : operand) let v = mk_typed_value_from_symbolic_value res_sv in let expr = cf (Ok v) ctx in (* Synthesize the symbolic AST *) - let p1 = mk_opt_place_from_op op1 ctx in - let p2 = mk_opt_place_from_op op2 ctx in + let p1 = mk_opt_place_from_op meta op1 ctx in + let p2 = mk_opt_place_from_op meta op2 ctx in synthesize_binary_op ctx binop v1 p1 v2 p2 res_sv None expr in (* Compose and apply *) comp eval_ops compute cf ctx -let eval_binary_op (config : config) (binop : binop) (op1 : operand) +let eval_binary_op (meta : Meta.meta) (config : config) (binop : binop) (op1 : operand) (op2 : operand) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = match config.mode with - | ConcreteMode -> eval_binary_op_concrete config binop op1 op2 cf - | SymbolicMode -> eval_binary_op_symbolic config binop op1 op2 cf + | ConcreteMode -> eval_binary_op_concrete meta config binop op1 op2 cf + | SymbolicMode -> eval_binary_op_symbolic meta config binop op1 op2 cf -let eval_rvalue_ref (config : config) (p : place) (bkind : borrow_kind) +let eval_rvalue_ref (meta : Meta.meta) (config : config) (p : place) (bkind : borrow_kind) (cf : typed_value -> m_fun) : m_fun = fun ctx -> match bkind with @@ -643,7 +643,7 @@ let eval_rvalue_ref (config : config) (p : place) (bkind : borrow_kind) let expand_prim_copy = false in let prepare = - access_rplace_reorganize_and_read config expand_prim_copy access p + access_rplace_reorganize_and_read meta config expand_prim_copy access p in (* Evaluate the borrowing operation *) let eval (cf : typed_value -> m_fun) (v : typed_value) : m_fun = @@ -693,7 +693,7 @@ let eval_rvalue_ref (config : config) (p : place) (bkind : borrow_kind) let access = Write in let expand_prim_copy = false in let prepare = - access_rplace_reorganize_and_read config expand_prim_copy access p + access_rplace_reorganize_and_read meta config expand_prim_copy access p in (* Evaluate the borrowing operation *) let eval (cf : typed_value -> m_fun) (v : typed_value) : m_fun = @@ -714,10 +714,10 @@ let eval_rvalue_ref (config : config) (p : place) (bkind : borrow_kind) (* Compose and apply *) comp prepare eval cf ctx -let eval_rvalue_aggregate (config : config) (aggregate_kind : aggregate_kind) +let eval_rvalue_aggregate (meta : Meta.meta) (config : config) (aggregate_kind : aggregate_kind) (ops : operand list) (cf : typed_value -> m_fun) : m_fun = (* Evaluate the operands *) - let eval_ops = eval_operands config ops in + let eval_ops = eval_operands meta config ops in (* Compute the value *) let compute (cf : typed_value -> m_fun) (values : typed_value list) : m_fun = fun ctx -> @@ -781,7 +781,7 @@ let eval_rvalue_aggregate (config : config) (aggregate_kind : aggregate_kind) (* Compose and apply *) comp eval_ops compute cf -let eval_rvalue_not_global (config : config) (rvalue : rvalue) +let eval_rvalue_not_global (meta : Meta.meta) (config : config) (rvalue : rvalue) (cf : (typed_value, eval_error) result -> m_fun) : m_fun = fun ctx -> log#ldebug (lazy "eval_rvalue"); @@ -793,12 +793,12 @@ let eval_rvalue_not_global (config : config) (rvalue : rvalue) let comp_wrap f = comp f wrap_in_result cf in (* Delegate to the proper auxiliary function *) match rvalue with - | Use op -> comp_wrap (eval_operand config op) ctx - | RvRef (p, bkind) -> comp_wrap (eval_rvalue_ref config p bkind) ctx - | UnaryOp (unop, op) -> eval_unary_op config unop op cf ctx - | BinaryOp (binop, op1, op2) -> eval_binary_op config binop op1 op2 cf ctx + | Use op -> comp_wrap (eval_operand meta config op) ctx + | RvRef (p, bkind) -> comp_wrap (eval_rvalue_ref meta config p bkind) ctx + | UnaryOp (unop, op) -> eval_unary_op meta config unop op cf ctx + | BinaryOp (binop, op1, op2) -> eval_binary_op meta config binop op1 op2 cf ctx | Aggregate (aggregate_kind, ops) -> - comp_wrap (eval_rvalue_aggregate config aggregate_kind ops) ctx + comp_wrap (eval_rvalue_aggregate meta config aggregate_kind ops) ctx | Discriminant _ -> raise (Failure @@ -806,11 +806,11 @@ let eval_rvalue_not_global (config : config) (rvalue : rvalue) the AST") | Global _ -> raise (Failure "Unreachable") -let eval_fake_read (config : config) (p : place) : cm_fun = +let eval_fake_read (meta : Meta.meta) (config : config) (p : place) : cm_fun = fun cf ctx -> let expand_prim_copy = false in let cf_prepare cf = - access_rplace_reorganize_and_read config expand_prim_copy Read p cf + access_rplace_reorganize_and_read meta config expand_prim_copy Read p cf in let cf_continue cf v : m_fun = fun ctx -> diff --git a/compiler/InterpreterLoopsFixedPoint.ml b/compiler/InterpreterLoopsFixedPoint.ml index b07ba943..35582456 100644 --- a/compiler/InterpreterLoopsFixedPoint.ml +++ b/compiler/InterpreterLoopsFixedPoint.ml @@ -693,7 +693,7 @@ let compute_loop_entry_fixed_point (meta : Meta.meta) (config : config) (loop_id AbstractionId.of_int (RegionGroupId.to_int rg_id) in (* By default, the [SynthInput] abs can't end *) - let ctx = ctx_set_abs_can_end ctx abs_id true in + let ctx = ctx_set_abs_can_end meta ctx abs_id true in cassert ( let abs = ctx_lookup_abs ctx abs_id in abs.kind = SynthInput rg_id) meta "TODO : error message "; @@ -764,7 +764,7 @@ let compute_loop_entry_fixed_point (meta : Meta.meta) (config : config) (loop_id in let abs = ctx_lookup_abs !fp !id0 in let abs = { abs with kind = abs_kind } in - let fp', _ = ctx_subst_abs !fp !id0 abs in + let fp', _ = ctx_subst_abs meta !fp !id0 abs in fp := fp'; (* Merge all the abstractions into this one *) List.iter diff --git a/compiler/InterpreterPaths.ml b/compiler/InterpreterPaths.ml index e411db9b..cc1e3208 100644 --- a/compiler/InterpreterPaths.ml +++ b/compiler/InterpreterPaths.ml @@ -259,13 +259,13 @@ let access_place (meta : Meta.meta) (access : projection_access) (update : typed_value -> typed_value) (p : place) (ctx : eval_ctx) : (eval_ctx * typed_value) path_access_result = (* Lookup the variable's value *) - let value = ctx_lookup_var_value ctx p.var_id in + let value = ctx_lookup_var_value meta ctx p.var_id in (* Apply the projection *) match access_projection meta access ctx update p.projection value with | Error err -> Error err | Ok (ctx, res) -> (* Update the value *) - let ctx = ctx_update_var_value ctx p.var_id res.updated in + let ctx = ctx_update_var_value meta ctx p.var_id res.updated in (* Return *) Ok (ctx, res.read) @@ -465,7 +465,7 @@ let rec update_ctx_along_read_place (meta : Meta.meta) (config : config) (access in let prefix = { p with projection = proj } in expand_symbolic_value_no_branching config sp - (Some (Synth.mk_mplace prefix ctx)) + (Some (Synth.mk_mplace meta prefix ctx)) | FailBottom (_, _, _) -> (* We can't expand {!Bottom} values while reading them *) craise meta "Found [Bottom] while reading a place" @@ -490,7 +490,7 @@ let rec update_ctx_along_write_place (meta : Meta.meta) (config : config) (acces | FailSymbolic (_pe, sp) -> (* Expand the symbolic value *) expand_symbolic_value_no_branching config sp - (Some (Synth.mk_mplace p ctx)) + (Some (Synth.mk_mplace meta p ctx)) | FailBottom (remaining_pes, pe, ty) -> (* Expand the {!Bottom} value *) fun cf ctx -> @@ -575,7 +575,7 @@ let drop_outer_loans_at_lplace (meta : Meta.meta) (config : config) (p : place) let rec drop : cm_fun = fun cf ctx -> (* Read the value *) - let v = ctx_lookup_dummy_var ctx dummy_id in + let v = ctx_lookup_dummy_var meta ctx dummy_id in (* Check if there are loans or borrows to end *) let with_borrows = false in match get_first_outer_loan_or_borrow_in_value with_borrows v with @@ -599,7 +599,7 @@ let drop_outer_loans_at_lplace (meta : Meta.meta) (config : config) (p : place) let cc = comp cc (fun cf ctx -> (* Pop *) - let ctx, v = ctx_remove_dummy_var ctx dummy_id in + let ctx, v = ctx_remove_dummy_var meta ctx dummy_id in (* Reinsert *) let ctx = write_place meta access p v ctx in (* Sanity check *) diff --git a/compiler/InterpreterStatements.ml b/compiler/InterpreterStatements.ml index bd6fab1a..8ccdcc93 100644 --- a/compiler/InterpreterStatements.ml +++ b/compiler/InterpreterStatements.ml @@ -58,33 +58,33 @@ let push_dummy_var (vid : DummyVarId.id) (v : typed_value) : cm_fun = cf ctx (** Remove a dummy variable from the environment *) -let remove_dummy_var (vid : DummyVarId.id) (cf : typed_value -> m_fun) : m_fun = +let remove_dummy_var (meta : Meta.meta) (vid : DummyVarId.id) (cf : typed_value -> m_fun) : m_fun = fun ctx -> - let ctx, v = ctx_remove_dummy_var ctx vid in + let ctx, v = ctx_remove_dummy_var meta ctx vid in cf v ctx (** Push an uninitialized variable to the environment *) -let push_uninitialized_var (var : var) : cm_fun = +let push_uninitialized_var (meta : Meta.meta) (var : var) : cm_fun = fun cf ctx -> - let ctx = ctx_push_uninitialized_var ctx var in + let ctx = ctx_push_uninitialized_var meta ctx var in cf ctx (** Push a list of uninitialized variables to the environment *) -let push_uninitialized_vars (vars : var list) : cm_fun = +let push_uninitialized_vars (meta : Meta.meta) (vars : var list) : cm_fun = fun cf ctx -> - let ctx = ctx_push_uninitialized_vars ctx vars in + let ctx = ctx_push_uninitialized_vars meta ctx vars in cf ctx (** Push a variable to the environment *) -let push_var (var : var) (v : typed_value) : cm_fun = +let push_var (meta : Meta.meta) (var : var) (v : typed_value) : cm_fun = fun cf ctx -> - let ctx = ctx_push_var ctx var v in + let ctx = ctx_push_var meta ctx var v in cf ctx (** Push a list of variables to the environment *) -let push_vars (vars : (var * typed_value) list) : cm_fun = +let push_vars (meta : Meta.meta) (vars : (var * typed_value) list) : cm_fun = fun cf ctx -> - let ctx = ctx_push_vars ctx vars in + let ctx = ctx_push_vars meta ctx vars in cf ctx (** Assign a value to a given place. @@ -108,7 +108,7 @@ let assign_to_place (meta : Meta.meta) (config : config) (rv : typed_value) (p : (* Prepare the destination *) let cc = comp cc (prepare_lplace config p) in (* Retrieve the rvalue from the dummy variable *) - let cc = comp cc (fun cf _lv -> remove_dummy_var rvalue_vid cf) in + let cc = comp cc (fun cf _lv -> remove_dummy_var meta rvalue_vid cf) in (* Update the destination *) let move_dest cf (rv : typed_value) : m_fun = fun ctx -> @@ -538,7 +538,7 @@ let eval_assumed_function_call_concrete (meta : Meta.meta) (config : config) (fi let ret_vid = VarId.zero in let ret_ty = get_assumed_function_return_type meta ctx fid generics in let ret_var = mk_var ret_vid (Some "@return") ret_ty in - let cc = comp cc (push_uninitialized_var ret_var) in + let cc = comp cc (push_uninitialized_var meta ret_var) in (* Create and push the input variables *) let input_vars = @@ -546,7 +546,7 @@ let eval_assumed_function_call_concrete (meta : Meta.meta) (config : config) (fi (fun id (v : typed_value) -> (mk_var id None v.ty, v)) args_vl in - let cc = comp cc (push_vars input_vars) in + let cc = comp cc (push_vars meta input_vars) in (* "Execute" the function body. As the functions are assumed, here we call * custom functions to perform the proper manipulations: we don't have @@ -981,10 +981,10 @@ let rec eval_statement (meta : Meta.meta) (config : config) (st : statement) : s let rp = rvalue_get_place rvalue in let rp = match rp with - | Some rp -> Some (S.mk_mplace rp ctx) + | Some rp -> Some (S.mk_mplace meta rp ctx) | None -> None in - S.synthesize_assignment ctx (S.mk_mplace p ctx) rv rp expr + S.synthesize_assignment ctx (S.mk_mplace meta p ctx) rv rp expr ) in @@ -1094,7 +1094,7 @@ and eval_switch (meta : Meta.meta) (config : config) (switch : switch) : st_cm_f let cf_true : st_cm_fun = eval_statement meta config st1 in let cf_false : st_cm_fun = eval_statement meta config st2 in expand_symbolic_bool config sv - (S.mk_opt_place_from_op op ctx) + (S.mk_opt_place_from_op meta op ctx) cf_true cf_false cf ctx | _ -> craise meta "Inconsistent state" in @@ -1141,7 +1141,7 @@ and eval_switch (meta : Meta.meta) (config : config) (switch : switch) : st_cm_f let otherwise = eval_statement meta config otherwise in (* Expand and continue *) expand_symbolic_int config sv - (S.mk_opt_place_from_op op ctx) + (S.mk_opt_place_from_op meta op ctx) int_ty stgts otherwise cf ctx | _ -> craise meta "Inconsistent state" in @@ -1175,7 +1175,7 @@ and eval_switch (meta : Meta.meta) (config : config) (switch : switch) : st_cm_f | VSymbolic sv -> (* Expand the symbolic value - may lead to branching *) let cf_expand = - expand_symbolic_adt config sv (Some (S.mk_mplace p ctx)) + expand_symbolic_adt config sv (Some (S.mk_mplace meta p ctx)) in (* Re-evaluate the switch - the value is not symbolic anymore, which means we will go to the other branch *) @@ -1280,7 +1280,7 @@ and eval_transparent_function_call_concrete (meta : Meta.meta) (config : config) in let cc = - comp_transmit cc (push_var ret_var (mk_bottom ret_var.var_ty)) + comp_transmit cc (push_var meta ret_var (mk_bottom ret_var.var_ty)) in (* 2. Push the input values *) @@ -1288,12 +1288,12 @@ and eval_transparent_function_call_concrete (meta : Meta.meta) (config : config) let inputs = List.combine input_locals args in (* Note that this function checks that the variables and their values * have the same type (this is important) *) - push_vars inputs cf + push_vars meta inputs cf in let cc = comp cc cf_push_inputs in (* 3. Push the remaining local variables (initialized as {!Bottom}) *) - let cc = comp cc (push_uninitialized_vars locals) in + let cc = comp cc (push_uninitialized_vars meta locals) in (* Execute the function body *) let cc = comp cc (eval_function_body meta config body_st) in @@ -1366,8 +1366,8 @@ and eval_function_call_symbolic_from_inst_sig (meta : Meta.meta) (config : confi let ret_av regions = mk_aproj_loans_value_from_symbolic_value regions ret_spc in - let args_places = List.map (fun p -> S.mk_opt_place_from_op p ctx) args in - let dest_place = Some (S.mk_mplace dest ctx) in + let args_places = List.map (fun p -> S.mk_opt_place_from_op meta p ctx) args in + let dest_place = Some (S.mk_mplace meta dest ctx) in (* Evaluate the input operands *) let cc = eval_operands config args in diff --git a/compiler/Main.ml b/compiler/Main.ml index e4e4ce1f..bea7e4a8 100644 --- a/compiler/Main.ml +++ b/compiler/Main.ml @@ -271,7 +271,7 @@ let () = (* Some options for the execution *) (* Test the unit functions with the concrete interpreter *) - if !test_unit_functions then Test.test_unit_functions m; + if !test_unit_functions then Test.test_unit_functions meta m; (* Translate the functions *) Aeneas.Translate.translate_crate meta filename dest_dir m; diff --git a/compiler/SynthesizeSymbolic.ml b/compiler/SynthesizeSymbolic.ml index ad34c48e..787bfb4f 100644 --- a/compiler/SynthesizeSymbolic.ml +++ b/compiler/SynthesizeSymbolic.ml @@ -4,21 +4,22 @@ open Expressions open Values open LlbcAst open SymbolicAst +open Errors -let mk_mplace (p : place) (ctx : Contexts.eval_ctx) : mplace = - let bv = Contexts.ctx_lookup_var_binder ctx p.var_id in +let mk_mplace (meta : Meta.meta) (p : place) (ctx : Contexts.eval_ctx) : mplace = + let bv = Contexts.ctx_lookup_var_binder meta ctx p.var_id in { bv; projection = p.projection } -let mk_opt_mplace (p : place option) (ctx : Contexts.eval_ctx) : mplace option = - Option.map (fun p -> mk_mplace p ctx) p +let mk_opt_mplace (meta : Meta.meta) (p : place option) (ctx : Contexts.eval_ctx) : mplace option = + Option.map (fun p -> mk_mplace meta p ctx) p -let mk_opt_place_from_op (op : operand) (ctx : Contexts.eval_ctx) : +let mk_opt_place_from_op (meta : Meta.meta) (op : operand) (ctx : Contexts.eval_ctx) : mplace option = - match op with Copy p | Move p -> Some (mk_mplace p ctx) | Constant _ -> None + match op with Copy p | Move p -> Some (mk_mplace meta p ctx) | Constant _ -> None let mk_emeta (m : emeta) (e : expression) : expression = Meta (m, e) -let synthesize_symbolic_expansion (sv : symbolic_value) (place : mplace option) +let synthesize_symbolic_expansion (meta : Meta.meta) (sv : symbolic_value) (place : mplace option) (seel : symbolic_expansion option list) (el : expression list option) : expression option = match el with @@ -36,7 +37,7 @@ let synthesize_symbolic_expansion (sv : symbolic_value) (place : mplace option) (Some (SeLiteral (VBool false)), false_exp); ] -> ExpandBool (true_exp, false_exp) - | _ -> raise (Failure "Ill-formed boolean expansion")) + | _ -> craise meta "Ill-formed boolean expansion") | TLiteral (TInteger int_ty) -> (* Switch over an integer: split between the "regular" branches and the "otherwise" branch (which should be the last branch) *) @@ -46,9 +47,9 @@ let synthesize_symbolic_expansion (sv : symbolic_value) (place : mplace option) let get_scalar (see : symbolic_expansion option) : scalar_value = match see with | Some (SeLiteral (VScalar cv)) -> - assert (cv.int_ty = int_ty); + cassert (cv.int_ty = int_ty) meta "For all the regular branches, the symbolic value should have been expanded to a constant TODO: Error message"; cv - | _ -> raise (Failure "Unreachable") + | _ -> craise meta "Unreachable" in let branches = List.map (fun (see, exp) -> (get_scalar see, exp)) branches @@ -56,7 +57,7 @@ let synthesize_symbolic_expansion (sv : symbolic_value) (place : mplace option) (* For the otherwise branch, the symbolic value should have been left * unchanged *) let otherwise_see, otherwise = otherwise in - assert (otherwise_see = None); + cassert (otherwise_see = None) meta "For the otherwise branch, the symbolic value should have been left unchanged"; (* Return *) ExpandInt (int_ty, branches, otherwise) | TAdt (_, _) -> @@ -65,7 +66,7 @@ let synthesize_symbolic_expansion (sv : symbolic_value) (place : mplace option) VariantId.id option * symbolic_value list = match see with | Some (SeAdt (vid, fields)) -> (vid, fields) - | _ -> raise (Failure "Ill-formed branching ADT expansion") + | _ -> craise meta "Ill-formed branching ADT expansion" in let exp = List.map @@ -79,18 +80,18 @@ let synthesize_symbolic_expansion (sv : symbolic_value) (place : mplace option) (* Reference expansion: there should be one branch *) match ls with | [ (Some see, exp) ] -> ExpandNoBranch (see, exp) - | _ -> raise (Failure "Ill-formed borrow expansion")) + | _ -> craise meta "Ill-formed borrow expansion") | TVar _ | TLiteral TChar | TNever | TTraitType _ | TArrow _ | TRawPtr _ -> - raise (Failure "Ill-formed symbolic expansion") + craise meta "Ill-formed symbolic expansion" in Some (Expansion (place, sv, expansion)) -let synthesize_symbolic_expansion_no_branching (sv : symbolic_value) +let synthesize_symbolic_expansion_no_branching (meta : Meta.meta) (sv : symbolic_value) (place : mplace option) (see : symbolic_expansion) (e : expression option) : expression option = let el = Option.map (fun e -> [ e ]) e in - synthesize_symbolic_expansion sv place [ Some see ] el + synthesize_symbolic_expansion meta sv place [ Some see ] el let synthesize_function_call (call_id : call_id) (ctx : Contexts.eval_ctx) (sg : fun_sig option) (regions_hierarchy : region_var_groups) @@ -188,7 +189,7 @@ let synthesize_loop (loop_id : LoopId.id) (input_svalues : symbolic_value list) loop_expr; meta; }) - | _ -> raise (Failure "Unreachable") + | _ -> craise meta "Unreachable" let save_snapshot (ctx : Contexts.eval_ctx) (e : expression option) : expression option = diff --git a/compiler/Translate.ml b/compiler/Translate.ml index 04aadafe..43d2fbb0 100644 --- a/compiler/Translate.ml +++ b/compiler/Translate.ml @@ -20,7 +20,7 @@ type symbolic_fun_translation = symbolic_value list * SA.expression (** Execute the symbolic interpreter on a function to generate a list of symbolic ASTs, for the forward function and the backward functions. *) -let translate_function_to_symbolics (trans_ctx : trans_ctx) (fdef : fun_decl) : +let translate_function_to_symbolics (meta : Meta.meta) (trans_ctx : trans_ctx) (fdef : fun_decl) : symbolic_fun_translation option = (* Debug *) log#ldebug @@ -32,7 +32,7 @@ let translate_function_to_symbolics (trans_ctx : trans_ctx) (fdef : fun_decl) : | Some _ -> (* Evaluate *) let synthesize = true in - let inputs, symb = evaluate_function_symbolic synthesize trans_ctx fdef in + let inputs, symb = evaluate_function_symbolic meta synthesize trans_ctx fdef in Some (inputs, Option.get symb) (** Translate a function, by generating its forward and backward translations. @@ -50,7 +50,7 @@ let translate_function_to_pure (meta : Meta.meta) (trans_ctx : trans_ctx) (lazy ("translate_function_to_pure: " ^ name_to_string trans_ctx fdef.name)); (* Compute the symbolic ASTs, if the function is transparent *) - let symbolic_trans = translate_function_to_symbolics trans_ctx fdef in + let symbolic_trans = translate_function_to_symbolics meta trans_ctx fdef in (* Convert the symbolic ASTs to pure ASTs: *) |