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82 lines
2.5 KiB
OCaml
82 lines
2.5 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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(** Abstract syntax tree of the scope language *)
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open Utils
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open Shared_ast
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(** {1 Identifiers} *)
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module StructFieldMapLift : sig
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val lift_box :
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'a Bindlib.box StructFieldMap.t -> 'a StructFieldMap.t Bindlib.box
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end
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module EnumConstructorMapLift : sig
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val lift_box :
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'a Bindlib.box EnumConstructorMap.t -> 'a EnumConstructorMap.t Bindlib.box
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end
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type location = scopelang glocation
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module LocationSet : Set.S with type elt = location Marked.pos
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(** {1 Abstract syntax tree} *)
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type 'm expr = (scopelang, 'm mark) gexpr
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val locations_used : 'm expr -> LocationSet.t
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(** This type characterizes the three levels of visibility for a given scope
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variable with regards to the scope's input and possible redefinitions inside
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the scope.. *)
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type io_input =
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| NoInput
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(** For an internal variable defined only in the scope, and does not
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appear in the input. *)
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| OnlyInput
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(** For variables that should not be redefined in the scope, because they
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appear in the input. *)
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| Reentrant
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(** For variables defined in the scope that can also be redefined by the
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caller as they appear in the input. *)
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type io = {
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io_output : bool Marked.pos;
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(** [true] is present in the output of the scope. *)
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io_input : io_input Marked.pos;
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}
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(** Characterization of the input/output status of a scope variable. *)
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type 'm rule =
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| Definition of location Marked.pos * typ * io * 'm expr
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| Assertion of 'm expr
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| Call of ScopeName.t * SubScopeName.t
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type 'm scope_decl = {
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scope_decl_name : ScopeName.t;
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scope_sig : (typ * io) ScopeVarMap.t;
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scope_decl_rules : 'm rule list;
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}
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type 'm program = {
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program_scopes : 'm scope_decl ScopeMap.t;
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program_ctx : decl_ctx;
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}
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val type_program : 'm program -> typed program
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