catala/compiler/scopelang/ast.mli
Louis Gesbert 75bf768264 Reformat
2024-04-04 10:56:56 +02:00

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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. *)
(** Abstract syntax tree of the scope language *)
open Catala_utils
open Shared_ast
(** {1 Identifiers} *)
type location = scopelang glocation
module LocationSet : Set.S with type elt = location Mark.pos
(** {1 Abstract syntax tree} *)
type 'm expr = (scopelang, 'm) gexpr
val locations_used : 'm expr -> LocationSet.t
type 'm rule =
| ScopeVarDefinition of {
var : ScopeVar.t Mark.pos;
typ : typ;
io : Desugared.Ast.io;
e : 'm expr;
}
| SubScopeVarDefinition of {
var : ScopeVar.t Mark.pos; (** Variable within the current scope *)
(* scope: ScopeVar.t Mark.pos; (\** Variable pointing to the *\) *)
(* origin_var: ScopeVar.t Mark.pos;
* reentrant: bool; *)
var_within_origin_scope : ScopeVar.t;
typ : typ; (* non-thunked at this point for reentrant vars *)
e : 'm expr;
}
| Assertion of 'm expr
type scope_var_ty = {
svar_in_ty : typ;
svar_out_ty : typ;
svar_io : Desugared.Ast.io;
}
type 'm scope_decl = {
scope_decl_name : ScopeName.t;
scope_sig : scope_var_ty ScopeVar.Map.t;
scope_decl_rules : 'm rule list;
scope_options : Desugared.Ast.catala_option Mark.pos list;
}
type 'm program = {
program_module_name : ModuleName.t option;
program_ctx : decl_ctx;
program_modules : nil scope_decl Mark.pos ScopeName.Map.t ModuleName.Map.t;
(* Using [nil] here ensure that program interfaces don't contain any
expressions. They won't contain any rules or topdefs, but will still have
the scope signatures needed to respect the call convention *)
program_scopes : 'm scope_decl Mark.pos ScopeName.Map.t;
program_topdefs : ('m expr * typ) TopdefName.Map.t;
program_lang : Global.backend_lang;
}
val type_program : 'm program -> typed program