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https://github.com/CatalaLang/catala.git
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fea01cfe4c
This uses the same disambiguation mechanism put in place for structures, calling the typer on individual rules on the desugared AST to propagate types, in order to resolve ambiguous operators like `+` to their strongly typed counterparts (`+!`, `+.`, `+$`, `+@`, `+$`) in the translation to scopelang. The patch includes some normalisation of the definition of all the operators, and classifies them based on their typing policy instead of their arity. It also adds a little more flexibility: - a couple new operators, like `-` on date and duration - optional type annotation on some aggregation constructions The `Shared_ast` lib is also lightly restructured, with the `Expr` module split into `Type`, `Operator` and `Expr`.
61 lines
1.9 KiB
OCaml
61 lines
1.9 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, contributor:
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Denis Merigoux <denis.merigoux@inria.fr>, Emile Rolley <emile.rolley@tuta.io>
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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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include Stdlib.String
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let to_ascii : string -> string = Ubase.from_utf8
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let is_uppercase_ascii = function 'A' .. 'Z' -> true | _ -> false
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let begins_with_uppercase (s : string) : bool =
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"" <> s && is_uppercase_ascii (get (to_ascii s) 0)
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let to_snake_case (s : string) : string =
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let out = ref "" in
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to_ascii s
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|> iteri (fun i c ->
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out :=
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!out
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^ (if is_uppercase_ascii c && 0 <> i then "_" else "")
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^ lowercase_ascii (make 1 c));
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!out
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let to_camel_case (s : string) : string =
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let last_was_underscore = ref false in
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let out = ref "" in
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to_ascii s
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|> iteri (fun i c ->
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let is_underscore = c = '_' in
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let c_string = make 1 c in
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out :=
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!out
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^
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if is_underscore then ""
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else if !last_was_underscore || 0 = i then uppercase_ascii c_string
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else c_string;
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last_was_underscore := is_underscore);
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!out
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let remove_prefix ~prefix s =
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if starts_with ~prefix s then
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let plen = length prefix in
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sub s plen (length s - plen)
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else s
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let format_t = Format.pp_print_string
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module Set = Set.Make (Stdlib.String)
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module Map = Map.Make (Stdlib.String)
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