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fc531777c0
The module is renamed to `Mark`, and functions renamed to avoid redundancy: `Marked.mark` is now `Mark.add` `Marked.unmark` is now `Mark.remove` `Marked.map_under_mark` is now simply `Mark.map` etc. `Marked.same_mark_as` is replaced by `Mark.copy`, but with the arguments swapped (which seemed more convenient throughout) Since a type `Mark.t` would indicate a mark, and to avoid confusion, the type `Marked.t` is renamed to `Mark.ed` as a shorthand for `Mark.marked` ; this part can easily be removed if that's too much quirkiness.
910 lines
23 KiB
OCaml
910 lines
23 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>, Emile Rolley
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<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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(** Abstract syntax tree built by the Catala parser *)
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[@@@ocaml.warning "-7"]
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open Catala_utils
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(** {1 Visitor classes for programs} *)
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(** To allow for quick traversal and/or modification of this AST structure, we
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provide a {{:https://en.wikipedia.org/wiki/Visitor_pattern} visitor design
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pattern}. This feature is implemented via
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{{:https://gitlab.inria.fr/fpottier/visitors} François Pottier's OCaml
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visitors library}. *)
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(** {1 Type definitions} *)
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type uident = (string[@opaque])
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[@@deriving
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visitors { variety = "map"; name = "uident_map"; nude = true },
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visitors { variety = "iter"; name = "uident_iter"; nude = true }]
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(** Constructors are CamelCase *)
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type lident = (string[@opaque])
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[@@deriving
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visitors { variety = "map"; name = "lident_map"; nude = true },
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visitors { variety = "iter"; name = "lident_iter"; nude = true }]
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(** Idents are snake_case *)
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type path = uident Mark.pos list
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["Mark.pos_map"; "uident_map"];
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name = "path_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["Mark.pos_iter"; "uident_iter"];
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name = "path_iter";
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}]
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type scope_var = lident Mark.pos list
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["Mark.pos_map"; "lident_map"];
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name = "scope_var_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["Mark.pos_iter"; "lident_iter"];
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name = "scope_var_iter";
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}]
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(** [foo.bar] in binding position: used to specify variables of subscopes *)
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type primitive_typ =
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| Integer
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| Decimal
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| Boolean
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| Money
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| Duration
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| Text
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| Date
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| Named of path * uident Mark.pos
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["path_map"; "uident_map"];
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name = "primitive_typ_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["path_iter"; "uident_iter"];
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name = "primitive_typ_iter";
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}]
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type base_typ_data =
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| Primitive of primitive_typ
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| Collection of base_typ_data Mark.pos
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["Mark.pos_map"; "primitive_typ_map"];
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name = "base_typ_data_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["Mark.pos_iter"; "primitive_typ_iter"];
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name = "base_typ_data_iter";
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}]
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type base_typ = Condition | Data of base_typ_data
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["base_typ_data_map"];
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name = "base_typ_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["base_typ_data_iter"];
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name = "base_typ_iter";
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nude = true;
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}]
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type func_typ = {
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arg_typ : (lident Mark.pos * base_typ Mark.pos) list;
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return_typ : base_typ Mark.pos;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["lident_map"; "base_typ_map"];
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name = "func_typ_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["lident_iter"; "base_typ_iter"];
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name = "func_typ_iter";
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nude = true;
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}]
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type typ = naked_typ Mark.pos
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and naked_typ = Base of base_typ | Func of func_typ
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["func_typ_map"];
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name = "typ_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["func_typ_iter"];
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name = "typ_iter";
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nude = true;
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}]
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type struct_decl_field = {
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struct_decl_field_name : lident Mark.pos;
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struct_decl_field_typ : typ;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["typ_map"; "lident_map"];
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name = "struct_decl_field_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["typ_iter"; "lident_iter"];
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name = "struct_decl_field_iter";
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}]
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type struct_decl = {
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struct_decl_name : uident Mark.pos;
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struct_decl_fields : struct_decl_field Mark.pos list;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["struct_decl_field_map"];
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name = "struct_decl_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["struct_decl_field_iter"];
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name = "struct_decl_iter";
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}]
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type enum_decl_case = {
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enum_decl_case_name : uident Mark.pos;
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enum_decl_case_typ : typ option;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["typ_map"];
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name = "enum_decl_case_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["typ_iter"];
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name = "enum_decl_case_iter";
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nude = true;
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}]
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type enum_decl = {
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enum_decl_name : uident Mark.pos;
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enum_decl_cases : enum_decl_case Mark.pos list;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["enum_decl_case_map"];
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name = "enum_decl_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["enum_decl_case_iter"];
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name = "enum_decl_iter";
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nude = true;
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}]
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type match_case_pattern =
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(path * uident Mark.pos) Mark.pos list * lident Mark.pos option
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["path_map"; "lident_map"; "uident_map"; "Mark.pos_map"];
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name = "match_case_pattern_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["path_iter"; "lident_iter"; "uident_iter"; "Mark.pos_iter"];
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name = "match_case_pattern_iter";
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}]
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type op_kind = KPoly | KInt | KDec | KMoney | KDate | KDuration
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[@@deriving
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visitors { variety = "map"; name = "op_kind_map"; nude = true },
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visitors { variety = "iter"; name = "op_kind_iter"; nude = true }]
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type binop =
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| And
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| Or
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| Xor
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| Add of op_kind
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| Sub of op_kind
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| Mult of op_kind
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| Div of op_kind
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| Lt of op_kind
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| Lte of op_kind
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| Gt of op_kind
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| Gte of op_kind
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| Eq
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| Neq
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| Concat
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["op_kind_map"];
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name = "binop_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["op_kind_iter"];
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name = "binop_iter";
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nude = true;
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}]
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type unop = Not | Minus of op_kind
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["op_kind_map"];
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name = "unop_map";
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nude = true;
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},
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visitors
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{
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variety = "iter";
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ancestors = ["op_kind_iter"];
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name = "unop_iter";
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nude = true;
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}]
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type builtin_expression =
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| Cardinal
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| ToDecimal
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| ToMoney
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| GetDay
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| GetMonth
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| GetYear
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| LastDayOfMonth
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| FirstDayOfMonth
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| Round
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[@@deriving
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visitors { variety = "map"; name = "builtin_expression_map"; nude = true },
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visitors { variety = "iter"; name = "builtin_expression_iter"; nude = true }]
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type literal_date = {
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literal_date_day : (int[@opaque]);
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literal_date_month : (int[@opaque]);
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literal_date_year : (int[@opaque]);
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}
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[@@deriving
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visitors
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{ variety = "map"; ancestors = ["Mark.pos_map"]; name = "literal_date_map" },
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visitors
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{
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variety = "iter";
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ancestors = ["Mark.pos_iter"];
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name = "literal_date_iter";
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}]
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type literal_number =
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| Int of (string[@opaque])
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| Dec of (string[@opaque]) * (string[@opaque])
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[@@deriving
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visitors { variety = "map"; name = "literal_number_map"; nude = true },
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visitors { variety = "iter"; name = "literal_number_iter"; nude = true }]
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type literal_unit = Percent | Year | Month | Day
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[@@deriving
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visitors { variety = "map"; name = "literal_unit_map"; nude = true },
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visitors { variety = "iter"; name = "literal_unit_iter"; nude = true }]
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type money_amount = {
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money_amount_units : (string[@opaque]);
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money_amount_cents : (string[@opaque]);
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}
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[@@deriving
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visitors { variety = "map"; name = "money_amount_map"; nude = true },
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visitors { variety = "iter"; name = "money_amount_iter"; nude = true }]
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type literal =
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| LNumber of literal_number Mark.pos * literal_unit Mark.pos option
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| LBool of bool
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| LMoneyAmount of money_amount
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| LDate of literal_date
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors =
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[
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"literal_number_map";
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"money_amount_map";
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"literal_date_map";
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"literal_unit_map";
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];
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name = "literal_map";
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},
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visitors
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{
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variety = "iter";
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ancestors =
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[
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"literal_number_iter";
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"money_amount_iter";
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"literal_date_iter";
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"literal_unit_iter";
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];
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name = "literal_iter";
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}]
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type collection_op =
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| Exists of { predicate : lident Mark.pos * expression }
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| Forall of { predicate : lident Mark.pos * expression }
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| Map of { f : lident Mark.pos * expression }
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| Filter of { f : lident Mark.pos * expression }
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| AggregateSum of { typ : primitive_typ }
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(* it would be nice to remove the need for specifying the type here like for
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extremums, but we need an additionl overload for "neutral element for
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addition across types" *)
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| AggregateExtremum of { max : bool; default : expression }
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| AggregateArgExtremum of {
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max : bool;
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default : expression;
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f : lident Mark.pos * expression;
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}
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and explicit_match_case = {
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match_case_pattern : match_case_pattern Mark.pos;
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match_case_expr : expression;
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}
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and match_case = WildCard of expression | MatchCase of explicit_match_case
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and match_cases = match_case Mark.pos list
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and expression = naked_expression Mark.pos
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and naked_expression =
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| Paren of expression
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| MatchWith of expression * match_cases Mark.pos
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| IfThenElse of expression * expression * expression
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| Binop of binop Mark.pos * expression * expression
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| Unop of unop Mark.pos * expression
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| CollectionOp of collection_op * expression
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| MemCollection of expression * expression
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| TestMatchCase of expression * match_case_pattern Mark.pos
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| FunCall of expression * expression list
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| ScopeCall of
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(path * uident Mark.pos) Mark.pos * (lident Mark.pos * expression) list
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| LetIn of lident Mark.pos * expression * expression
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| Builtin of builtin_expression
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| Literal of literal
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| EnumInject of (path * uident Mark.pos) Mark.pos * expression option
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| StructLit of
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(path * uident Mark.pos) Mark.pos * (lident Mark.pos * expression) list
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| ArrayLit of expression list
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| Ident of path * lident Mark.pos
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| Dotted of expression * (path * lident Mark.pos) Mark.pos
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(** Dotted is for both struct field projection and sub-scope variables *)
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors =
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[
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"primitive_typ_map";
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"match_case_pattern_map";
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"literal_map";
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"binop_map";
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"unop_map";
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"builtin_expression_map";
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];
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name = "expression_map";
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},
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visitors
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{
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variety = "iter";
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ancestors =
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[
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"primitive_typ_iter";
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"match_case_pattern_iter";
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"literal_iter";
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"binop_iter";
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"unop_iter";
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"builtin_expression_iter";
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];
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name = "expression_iter";
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}]
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type exception_to =
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| NotAnException
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| UnlabeledException
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| ExceptionToLabel of lident Mark.pos
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["lident_map"; "Mark.pos_map"];
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name = "exception_to_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["lident_iter"; "Mark.pos_iter"];
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name = "exception_to_iter";
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}]
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type rule = {
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rule_label : lident Mark.pos option;
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rule_exception_to : exception_to;
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rule_parameter : lident Mark.pos list Mark.pos option;
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rule_condition : expression option;
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rule_name : scope_var Mark.pos;
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rule_id : Shared_ast.RuleName.t; [@opaque]
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rule_consequence : (bool[@opaque]) Mark.pos;
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rule_state : lident Mark.pos option;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["expression_map"; "scope_var_map"; "exception_to_map"];
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name = "rule_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["expression_iter"; "scope_var_iter"; "exception_to_iter"];
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name = "rule_iter";
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}]
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type definition = {
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definition_label : lident Mark.pos option;
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definition_exception_to : exception_to;
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definition_name : scope_var Mark.pos;
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definition_parameter : lident Mark.pos list Mark.pos option;
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definition_condition : expression option;
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definition_id : Shared_ast.RuleName.t; [@opaque]
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definition_expr : expression;
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definition_state : lident Mark.pos option;
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}
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[@@deriving
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visitors
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{
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variety = "map";
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ancestors = ["expression_map"; "scope_var_map"; "exception_to_map"];
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name = "definition_map";
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},
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visitors
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{
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variety = "iter";
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ancestors = ["expression_iter"; "scope_var_iter"; "exception_to_iter"];
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name = "definition_iter";
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}]
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type variation_typ = Increasing | Decreasing
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[@@deriving
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|
visitors { variety = "map"; name = "variation_typ_map" },
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visitors { variety = "iter"; name = "variation_typ_iter" }]
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type meta_assertion =
|
|
| FixedBy of scope_var Mark.pos * lident Mark.pos
|
|
| VariesWith of
|
|
scope_var Mark.pos * expression * variation_typ Mark.pos option
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors = ["variation_typ_map"; "scope_var_map"; "expression_map"];
|
|
name = "meta_assertion_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["variation_typ_iter"; "scope_var_iter"; "expression_iter"];
|
|
name = "meta_assertion_iter";
|
|
}]
|
|
|
|
type assertion = {
|
|
assertion_condition : expression option;
|
|
assertion_content : expression;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{ variety = "map"; ancestors = ["expression_map"]; name = "assertion_map" },
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["expression_iter"];
|
|
name = "assertion_iter";
|
|
}]
|
|
|
|
type scope_use_item =
|
|
| Rule of rule
|
|
| Definition of definition
|
|
| Assertion of assertion
|
|
| MetaAssertion of meta_assertion
|
|
| DateRounding of variation_typ Mark.pos
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors =
|
|
["meta_assertion_map"; "definition_map"; "assertion_map"; "rule_map"];
|
|
name = "scope_use_item_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors =
|
|
[
|
|
"meta_assertion_iter";
|
|
"definition_iter";
|
|
"assertion_iter";
|
|
"rule_iter";
|
|
];
|
|
name = "scope_use_item_iter";
|
|
}]
|
|
|
|
type scope_use = {
|
|
scope_use_condition : expression option;
|
|
scope_use_name : uident Mark.pos;
|
|
scope_use_items : scope_use_item Mark.pos list;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors = ["expression_map"; "scope_use_item_map"];
|
|
name = "scope_use_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["expression_iter"; "scope_use_item_iter"];
|
|
name = "scope_use_iter";
|
|
}]
|
|
|
|
type io_input = Input | Context | Internal
|
|
[@@deriving
|
|
visitors { variety = "map"; name = "io_input_map" },
|
|
visitors { variety = "iter"; name = "io_input_iter" }]
|
|
|
|
type scope_decl_context_io = {
|
|
scope_decl_context_io_input : io_input Mark.pos;
|
|
scope_decl_context_io_output : bool Mark.pos;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors = ["io_input_map"; "Mark.pos_map"];
|
|
name = "scope_decl_context_io_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["io_input_iter"; "Mark.pos_iter"];
|
|
name = "scope_decl_context_io_iter";
|
|
}]
|
|
|
|
type scope_decl_context_scope = {
|
|
scope_decl_context_scope_name : lident Mark.pos;
|
|
scope_decl_context_scope_sub_scope : uident Mark.pos;
|
|
scope_decl_context_scope_attribute : scope_decl_context_io;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors =
|
|
[
|
|
"lident_map"; "uident_map"; "scope_decl_context_io_map"; "Mark.pos_map";
|
|
];
|
|
name = "scope_decl_context_scope_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors =
|
|
[
|
|
"lident_iter";
|
|
"uident_iter";
|
|
"scope_decl_context_io_iter";
|
|
"Mark.pos_iter";
|
|
];
|
|
name = "scope_decl_context_scope_iter";
|
|
}]
|
|
|
|
type scope_decl_context_data = {
|
|
scope_decl_context_item_name : lident Mark.pos;
|
|
scope_decl_context_item_typ : typ;
|
|
scope_decl_context_item_parameters :
|
|
(lident Mark.pos * typ) list Mark.pos option;
|
|
scope_decl_context_item_attribute : scope_decl_context_io;
|
|
scope_decl_context_item_states : lident Mark.pos list;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors = ["typ_map"; "scope_decl_context_io_map"; "lident_map"];
|
|
name = "scope_decl_context_data_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["typ_iter"; "scope_decl_context_io_iter"; "lident_iter"];
|
|
name = "scope_decl_context_data_iter";
|
|
}]
|
|
|
|
type scope_decl_context_item =
|
|
| ContextData of scope_decl_context_data
|
|
| ContextScope of scope_decl_context_scope
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors =
|
|
["scope_decl_context_data_map"; "scope_decl_context_scope_map"];
|
|
name = "scope_decl_context_item_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors =
|
|
["scope_decl_context_data_iter"; "scope_decl_context_scope_iter"];
|
|
name = "scope_decl_context_item_iter";
|
|
}]
|
|
|
|
type scope_decl = {
|
|
scope_decl_name : uident Mark.pos;
|
|
scope_decl_context : scope_decl_context_item Mark.pos list;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors = ["scope_decl_context_item_map"];
|
|
name = "scope_decl_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["scope_decl_context_item_iter"];
|
|
name = "scope_decl_iter";
|
|
}]
|
|
|
|
type top_def = {
|
|
topdef_name : lident Mark.pos;
|
|
topdef_args : (lident Mark.pos * base_typ Mark.pos) list Mark.pos option;
|
|
(** Empty list if this is not a function *)
|
|
topdef_type : typ;
|
|
topdef_expr : expression;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors = ["lident_map"; "typ_map"; "expression_map"];
|
|
name = "top_def_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["lident_iter"; "typ_iter"; "expression_iter"];
|
|
name = "top_def_iter";
|
|
}]
|
|
|
|
type code_item =
|
|
| ScopeUse of scope_use
|
|
| ScopeDecl of scope_decl
|
|
| StructDecl of struct_decl
|
|
| EnumDecl of enum_decl
|
|
| Topdef of top_def
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors =
|
|
[
|
|
"scope_decl_map";
|
|
"enum_decl_map";
|
|
"struct_decl_map";
|
|
"scope_use_map";
|
|
"top_def_map";
|
|
];
|
|
name = "code_item_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors =
|
|
[
|
|
"scope_decl_iter";
|
|
"enum_decl_iter";
|
|
"struct_decl_iter";
|
|
"scope_use_iter";
|
|
"top_def_iter";
|
|
];
|
|
name = "code_item_iter";
|
|
}]
|
|
|
|
type code_block = code_item Mark.pos list
|
|
[@@deriving
|
|
visitors
|
|
{ variety = "map"; ancestors = ["code_item_map"]; name = "code_block_map" },
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["code_item_iter"];
|
|
name = "code_block_iter";
|
|
}]
|
|
|
|
type source_repr = (string[@opaque]) Mark.pos
|
|
[@@deriving
|
|
visitors
|
|
{ variety = "map"; ancestors = ["Mark.pos_map"]; name = "source_repr_map" },
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["Mark.pos_iter"];
|
|
name = "source_repr_iter";
|
|
}]
|
|
|
|
type law_heading = {
|
|
law_heading_name : (string[@opaque]) Mark.pos;
|
|
law_heading_id : (string[@opaque]) option;
|
|
law_heading_is_archive : bool; [@opaque]
|
|
law_heading_precedence : (int[@opaque]);
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{ variety = "map"; ancestors = ["Mark.pos_map"]; name = "law_heading_map" },
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["Mark.pos_iter"];
|
|
name = "law_heading_iter";
|
|
}]
|
|
|
|
type law_include =
|
|
| PdfFile of (string[@opaque]) Mark.pos * (int[@opaque]) option
|
|
| CatalaFile of (string[@opaque]) Mark.pos
|
|
| LegislativeText of (string[@opaque]) Mark.pos
|
|
[@@deriving
|
|
visitors
|
|
{ variety = "map"; ancestors = ["Mark.pos_map"]; name = "law_include_map" },
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["Mark.pos_iter"];
|
|
name = "law_include_iter";
|
|
}]
|
|
|
|
type law_structure =
|
|
| LawInclude of law_include
|
|
| LawHeading of law_heading * law_structure list
|
|
| LawText of (string[@opaque])
|
|
| CodeBlock of code_block * source_repr * bool (* Metadata if true *)
|
|
[@@deriving
|
|
visitors
|
|
{
|
|
variety = "map";
|
|
ancestors =
|
|
[
|
|
"law_include_map";
|
|
"code_block_map";
|
|
"source_repr_map";
|
|
"law_heading_map";
|
|
];
|
|
name = "law_structure_map";
|
|
},
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors =
|
|
[
|
|
"law_include_iter";
|
|
"code_block_iter";
|
|
"source_repr_iter";
|
|
"law_heading_iter";
|
|
];
|
|
name = "law_structure_iter";
|
|
}]
|
|
|
|
type program = {
|
|
program_items : law_structure list;
|
|
program_source_files : (string[@opaque]) list;
|
|
}
|
|
[@@deriving
|
|
visitors
|
|
{ variety = "map"; ancestors = ["law_structure_map"]; name = "program_map" },
|
|
visitors
|
|
{
|
|
variety = "iter";
|
|
ancestors = ["law_structure_iter"];
|
|
name = "program_iter";
|
|
}]
|
|
|
|
type source_file = law_structure list
|
|
|
|
(** {1 Helpers}*)
|
|
|
|
(** Translates a {!type: rule} into the corresponding {!type: definition} *)
|
|
let rule_to_def (rule : rule) : definition =
|
|
let consequence_expr = Literal (LBool (Mark.remove rule.rule_consequence)) in
|
|
{
|
|
definition_label = rule.rule_label;
|
|
definition_exception_to = rule.rule_exception_to;
|
|
definition_name = rule.rule_name;
|
|
definition_parameter = rule.rule_parameter;
|
|
definition_condition = rule.rule_condition;
|
|
definition_id = rule.rule_id;
|
|
definition_expr = consequence_expr, Mark.get rule.rule_consequence;
|
|
definition_state = rule.rule_state;
|
|
}
|
|
|
|
let type_from_args
|
|
(args : (lident Mark.pos * base_typ Mark.pos) list Mark.pos option)
|
|
(return_typ : base_typ Mark.pos) : typ =
|
|
match args with
|
|
| None -> Mark.map (fun r -> Base r) return_typ
|
|
| Some (arg_typ, _) ->
|
|
Mark.add (Mark.get return_typ) (Func { arg_typ; return_typ })
|