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403156b36e
This includes a few separate changes:
- pass visibility information of declarations (depending on wether the
declaration was in a ```catala-metadata block or not)
- add reasonable hash computation functions to discriminate the interfaces. In
particular:
* Uids have a `hash` function that depends on their string, but not on their
actual uid (which is not stable between runs of the compiler) ; the existing
`hash` function and its uses have been renamed to `id`.
* The `Hash` module provides the tools to properly combine hashes, etc. While
we rely on `Hashtbl.hash` for the atoms, we take care not to use it on any
recursive structure (it relies on a bounded traversal).
- insert the hashes in the artefacts, and properly check and report those (for
OCaml)
**Remains to do**:
- Record and check the hashes in the other backends
- Provide a way to get stable inline-test outputs in the presence of module
hashes
- Provide a way to write external modules that don't break at every Catala
update.
86 lines
2.9 KiB
OCaml
86 lines
2.9 KiB
OCaml
(* This file is part of the Catala compiler, a specification language for tax
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and social benefits computation rules. Copyright (C) 2020 Inria,
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contributors: Denis Merigoux <denis.merigoux@inria.fr>, Louis Gesbert
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<louis.gesbert@inria.fr>
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Licensed under the Apache License, Version 2.0 (the "License"); you may not
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use this file except in compliance with the License. You may obtain a copy of
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the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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License for the specific language governing permissions and limitations under
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the License. *)
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(** AST node annotations (used for position, type, etc.) *)
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type ('a, 'm) ed = 'a * 'm
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(** The type of [Mark.ed] values. Everything related to the source code should
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keep at least its position stored, to improve error messages. Typing, etc.
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also leverage this. *)
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type 'a pos = ('a, Pos.t) ed
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(** The type of marks containing only position information *)
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val add : 'm -> 'a -> ('a, 'm) ed
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val remove : ('a, 'm) ed -> 'a
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val get : ('a, 'm) ed -> 'm
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val set : 'm -> ('a, _) ed -> ('a, 'm) ed
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val map : ('a -> 'b) -> ('a, 'm) ed -> ('b, 'm) ed
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val map_mark : ('m1 -> 'm2) -> ('a, 'm1) ed -> ('a, 'm2) ed
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val copy : ('b, 'm) ed -> 'a -> ('a, 'm) ed
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val fold : ('a -> 'b) -> ('a, _) ed -> 'b
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val fold2 : ('a -> 'a -> 'b) -> ('a, 'm) ed -> ('a, 'm) ed -> 'b
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val compare : ('a -> 'a -> int) -> ('a, 'm) ed -> ('a, 'm) ed -> int
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(** Compares two marked values {b ignoring marks} *)
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val equal : ('a -> 'a -> bool) -> ('a, 'm) ed -> ('a, 'm) ed -> bool
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(** Tests equality of two marked values {b ignoring marks} *)
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val hash : ('a -> Hash.t) -> ('a, 'm) ed -> Hash.t
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(** Computes the hash of the marked values using the given function
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{b ignoring mark} *)
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(** Visitors *)
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class ['self] marked_map : object ('self)
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constraint
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'self = < visit_marked :
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'a. ('env -> 'a -> 'a) -> 'env -> ('a, 'm) ed -> ('a, 'm) ed
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; .. >
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method visit_marked :
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'a. ('env -> 'a -> 'a) -> 'env -> ('a, 'm) ed -> ('a, 'm) ed
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end
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class ['self] marked_iter : object ('self)
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constraint
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'self = < visit_marked :
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'a. ('env -> 'a -> unit) -> 'env -> ('a, 'm) ed -> unit
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; .. >
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method visit_marked : 'a. ('env -> 'a -> unit) -> 'env -> ('a, 'm) ed -> unit
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end
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class ['self] pos_map : object ('self)
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constraint
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'self = < visit_pos :
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'a. ('env -> 'a -> 'a) -> 'env -> ('a, 'm) ed -> ('a, 'm) ed
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; .. >
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method visit_pos :
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'a. ('env -> 'a -> 'a) -> 'env -> ('a, 'm) ed -> ('a, 'm) ed
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end
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class ['self] pos_iter : object ('self)
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constraint
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'self = < visit_pos : 'a. ('env -> 'a -> unit) -> 'env -> ('a, 'm) ed -> unit
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; .. >
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method visit_pos : 'a. ('env -> 'a -> unit) -> 'env -> ('a, 'm) ed -> unit
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end
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