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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.
55 lines
2.1 KiB
OCaml
55 lines
2.1 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, contributor:
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Denis Merigoux <denis.merigoux@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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open Catala_utils
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open Shared_ast
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(** Formats a lambda calculus program into a valid OCaml program *)
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val avoid_keywords : string -> string
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val typ_needs_parens : typ -> bool
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(* val needs_parens : 'm expr -> bool *)
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val format_enum_name : Format.formatter -> EnumName.t -> unit
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val format_enum_cons_name : Format.formatter -> EnumConstructor.t -> unit
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val format_struct_name : Format.formatter -> StructName.t -> unit
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val format_struct_field_name :
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Format.formatter -> StructName.t option * StructField.t -> unit
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val format_to_module_name :
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Format.formatter -> [< `Ename of EnumName.t | `Sname of StructName.t ] -> unit
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(* * val format_lit : Format.formatter -> lit Mark.pos -> unit * val
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format_uid_list : Format.formatter -> Uid.MarkedString.info list -> unit *)
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val format_var : Format.formatter -> 'm Var.t -> unit
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val format_program :
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Format.formatter ->
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?exec_scope:ScopeName.t ->
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?exec_args:bool ->
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hashf:(Hash.t -> Hash.full) ->
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'm Ast.program ->
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Scopelang.Dependency.TVertex.t list ->
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unit
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(** Usage [format_program fmt p type_dependencies_ordering]. Either one of these
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may be set:
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- [exec_scope] will mark the named scope as "main" and execute it at the end
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of the program. It must have no inputs.
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- [exec_args] will add support for executing scopes passed on Argv (default
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true if [exec_scope] is [None] *)
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