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32 lines
1.4 KiB
OCaml
32 lines
1.4 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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(** Typing for the default calculus. Because of the error terms, we perform type
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inference using the classical W algorithm with union-find unification. *)
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open Shared_ast
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val infer_types : decl_ctx -> untyped Ast.expr -> typed Ast.expr Bindlib.box
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(** Infers types everywhere on the given expression, and adds (or replaces) type
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annotations on each node *)
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val infer_type : decl_ctx -> 'm Ast.expr -> typ
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(** Gets the outer type of the given expression, using either the existing
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annotations or inference *)
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val check_type : decl_ctx -> 'm Ast.expr -> typ -> unit
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val infer_types_program : untyped Ast.program -> typed Ast.program
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