mirror of
https://github.com/CatalaLang/catala.git
synced 2024-11-08 07:51:43 +03:00
48 lines
2.1 KiB
OCaml
48 lines
2.1 KiB
OCaml
(* This file is part of the Catala compiler, a specification language for tax
|
|
and social benefits computation rules. Copyright (C) 2022 Inria, contributor:
|
|
Denis Merigoux <denis.merigoux@inria.fr>, Alain Delaët
|
|
<alain.delaet--tixeuil@inria.fr>
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
|
use this file except in compliance with the License. You may obtain a copy of
|
|
the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
License for the specific language governing permissions and limitations under
|
|
the License. *)
|
|
|
|
(** Generates verification conditions from scope definitions *)
|
|
|
|
type verification_condition_kind =
|
|
| NoEmptyError
|
|
(** This verification condition checks whether a definition never returns
|
|
an empty error *)
|
|
| NoOverlappingExceptions
|
|
(** This verification condition checks whether a definition never returns
|
|
a conflict error *)
|
|
|
|
type verification_condition = {
|
|
vc_guard : Dcalc.Ast.typed Dcalc.Ast.marked_expr;
|
|
(** This expression should have type [bool]*)
|
|
vc_kind : verification_condition_kind;
|
|
vc_scope : Dcalc.Ast.ScopeName.t;
|
|
vc_variable : Dcalc.Ast.Var.t Utils.Marked.pos;
|
|
vc_free_vars_typ : Dcalc.Ast.typ Utils.Marked.pos Dcalc.Ast.VarMap.t;
|
|
(** Types of the locally free variables in [vc_guard]. The types of other
|
|
free variables linked to scope variables can be obtained with
|
|
[Dcalc.Ast.variable_types]. *)
|
|
}
|
|
|
|
val generate_verification_conditions :
|
|
Dcalc.Ast.typed Dcalc.Ast.program ->
|
|
Dcalc.Ast.ScopeName.t option ->
|
|
verification_condition list
|
|
(** [generate_verification_conditions p None] will generate the verification
|
|
conditions for all the variables of all the scopes of the program [p], while
|
|
[generate_verification_conditions p (Some s)] will focus only on the
|
|
variables of scope [s]. *)
|