mirror of
https://github.com/CatalaLang/catala.git
synced 2024-09-20 00:41:05 +03:00
43 lines
1.6 KiB
OCaml
43 lines
1.6 KiB
OCaml
(* This file is part of the Catala compiler, a specification language for tax
|
|
and social benefits computation rules. Copyright (C) 2020 Inria, contributor:
|
|
Denis Merigoux <denis.merigoux@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. *)
|
|
|
|
(** Typing for the default calculus. Because of the error terms, we perform type
|
|
inference using the classical W algorithm with union-find unification. *)
|
|
|
|
open Definitions
|
|
|
|
module Env : sig
|
|
type 'e t
|
|
|
|
val empty : 'e t
|
|
val add_var : 'e Var.t -> typ -> 'e t -> 'e t
|
|
val add_scope_var : ScopeVar.t -> typ -> 'e t -> 'e t
|
|
val add_scope : ScopeName.t -> typ ScopeVarMap.t -> 'e t -> 'e t
|
|
end
|
|
|
|
val expr :
|
|
decl_ctx ->
|
|
?env:'e Env.t ->
|
|
?typ:typ ->
|
|
(('a, 'm mark) gexpr as 'e) ->
|
|
('a, typed mark) gexpr box
|
|
(** Infers and marks the types for the given expression. If [typ] is provided,
|
|
it is assumed to be the outer type and used for inference top-down. *)
|
|
|
|
val program : ('a, untyped mark) gexpr program -> ('a, typed mark) gexpr program
|
|
(** Typing on whole programs (as defined in Shared_ast.program, i.e. for the
|
|
later dcalc/lcalc stages *)
|