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https://github.com/CatalaLang/catala.git
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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.
116 lines
3.8 KiB
OCaml
116 lines
3.8 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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open Catala_utils
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open Shared_ast
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type location = scopelang glocation
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module LocationSet : Set.S with type elt = location Mark.pos = Set.Make (struct
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type t = location Mark.pos
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let compare = Expr.compare_location
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end)
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type 'm expr = (scopelang, 'm mark) gexpr
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let rec locations_used (e : 'm expr) : LocationSet.t =
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match e with
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| ELocation l, pos -> LocationSet.singleton (l, Expr.mark_pos pos)
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| EAbs { binder; _ }, _ ->
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let _, body = Bindlib.unmbind binder in
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locations_used body
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| e ->
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Expr.shallow_fold
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(fun e -> LocationSet.union (locations_used e))
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e LocationSet.empty
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type 'm rule =
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| Definition of location Mark.pos * typ * Desugared.Ast.io * 'm expr
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| Assertion of 'm expr
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| Call of ScopeName.t * SubScopeName.t * 'm mark
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type 'm scope_decl = {
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scope_decl_name : ScopeName.t;
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scope_sig : (typ * Desugared.Ast.io) ScopeVar.Map.t;
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scope_decl_rules : 'm rule list;
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scope_mark : 'm mark;
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scope_options : Desugared.Ast.catala_option Mark.pos list;
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}
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type 'm program = {
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program_scopes : 'm scope_decl ScopeName.Map.t;
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program_topdefs : ('m expr * typ) TopdefName.Map.t;
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program_ctx : decl_ctx;
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}
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let type_rule decl_ctx env = function
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| Definition (loc, typ, io, expr) ->
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let expr' = Typing.expr ~leave_unresolved:false decl_ctx ~env ~typ expr in
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Definition (loc, typ, io, Expr.unbox expr')
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| Assertion expr ->
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let typ = Mark.add (Expr.pos expr) (TLit TBool) in
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let expr' = Typing.expr ~leave_unresolved:false decl_ctx ~env ~typ expr in
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Assertion (Expr.unbox expr')
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| Call (sc_name, ssc_name, m) ->
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let pos = Expr.mark_pos m in
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Call (sc_name, ssc_name, Typed { pos; ty = Mark.add pos TAny })
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let type_program (prg : 'm program) : typed program =
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let typing_env =
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TopdefName.Map.fold
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(fun name (_, ty) -> Typing.Env.add_toplevel_var name ty)
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prg.program_topdefs
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(Typing.Env.empty prg.program_ctx)
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in
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let program_topdefs =
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TopdefName.Map.map
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(fun (expr, typ) ->
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( Expr.unbox
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(Typing.expr prg.program_ctx ~leave_unresolved:false ~env:typing_env
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~typ expr),
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typ ))
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prg.program_topdefs
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in
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let typing_env =
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ScopeName.Map.fold
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(fun scope_name scope_decl ->
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let vars = ScopeVar.Map.map fst scope_decl.scope_sig in
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Typing.Env.add_scope scope_name ~vars)
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prg.program_scopes typing_env
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in
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let program_scopes =
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ScopeName.Map.map
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(fun scope_decl ->
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let typing_env =
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ScopeVar.Map.fold
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(fun svar (typ, _) env -> Typing.Env.add_scope_var svar typ env)
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scope_decl.scope_sig typing_env
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in
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let scope_decl_rules =
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List.map
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(type_rule prg.program_ctx typing_env)
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scope_decl.scope_decl_rules
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in
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let scope_mark =
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let pos = Mark.get (ScopeName.get_info scope_decl.scope_decl_name) in
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Typed { pos; ty = Mark.add pos TAny }
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in
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{ scope_decl with scope_decl_rules; scope_mark })
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prg.program_scopes
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in
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{ prg with program_topdefs; program_scopes }
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