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103 lines
3.1 KiB
OCaml
103 lines
3.1 KiB
OCaml
(* This file is part of the Catala compiler, a specification language for tax and social benefits
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computation rules. Copyright (C) 2020 Inria, contributor: Nicolas Chataing
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<nicolas.chataing@ens.fr>
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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in compliance with the License. You may obtain a copy of 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 distributed under the License
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is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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or implied. See the License for the specific language governing permissions and limitations under
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the License. *)
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(** Abstract syntax tree of the desugared representation *)
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open Utils
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(** {1 Names, Maps and Keys} *)
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module IdentMap : Map.S with type key = String.t
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module RuleName : Uid.Id with type info = Uid.MarkedString.info
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module RuleMap : Map.S with type key = RuleName.t
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module RuleSet : Set.S with type elt = RuleName.t
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module LabelName : Uid.Id with type info = Uid.MarkedString.info
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module LabelMap : Map.S with type key = LabelName.t
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module LabelSet : Set.S with type elt = LabelName.t
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(** Inside a scope, a definition can refer either to a scope def, or a subscope def *)
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module ScopeDef : sig
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type t =
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| Var of Scopelang.Ast.ScopeVar.t
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| SubScopeVar of Scopelang.Ast.SubScopeName.t * Scopelang.Ast.ScopeVar.t
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val compare : t -> t -> int
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val get_position : t -> Pos.t
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val format_t : Format.formatter -> t -> unit
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val hash : t -> int
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end
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module ScopeDefMap : Map.S with type key = ScopeDef.t
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module ScopeDefSet : Set.S with type elt = ScopeDef.t
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(** {1 AST} *)
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type rule = {
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rule_id : RuleName.t;
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rule_just : Scopelang.Ast.expr Pos.marked Bindlib.box;
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rule_cons : Scopelang.Ast.expr Pos.marked Bindlib.box;
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rule_parameter : (Scopelang.Ast.Var.t * Scopelang.Ast.typ Pos.marked) option;
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rule_exception_to_rules : RuleSet.t Pos.marked;
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}
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val empty_rule : Pos.t -> Scopelang.Ast.typ Pos.marked option -> rule
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val always_false_rule : Pos.t -> Scopelang.Ast.typ Pos.marked option -> rule
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type assertion = Scopelang.Ast.expr Pos.marked Bindlib.box
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type variation_typ = Increasing | Decreasing
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type reference_typ = Decree | Law
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type meta_assertion =
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| FixedBy of reference_typ Pos.marked
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| VariesWith of unit * variation_typ Pos.marked option
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type scope_def = {
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scope_def_rules : rule RuleMap.t;
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scope_def_typ : Scopelang.Ast.typ Pos.marked;
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scope_def_is_condition : bool;
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scope_def_label_groups : RuleSet.t LabelMap.t;
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}
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type scope = {
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scope_vars : Scopelang.Ast.ScopeVarSet.t;
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scope_sub_scopes : Scopelang.Ast.ScopeName.t Scopelang.Ast.SubScopeMap.t;
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scope_uid : Scopelang.Ast.ScopeName.t;
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scope_defs : scope_def ScopeDefMap.t;
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scope_assertions : assertion list;
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scope_meta_assertions : meta_assertion list;
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}
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type program = {
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program_scopes : scope Scopelang.Ast.ScopeMap.t;
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program_enums : Scopelang.Ast.enum_ctx;
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program_structs : Scopelang.Ast.struct_ctx;
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}
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(** {1 Helpers} *)
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val free_variables : rule RuleMap.t -> Pos.t ScopeDefMap.t
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