41 lines
2.2 KiB
OCaml
41 lines
2.2 KiB
OCaml
(***********************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* Operations on module types *)
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open Types
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val scrape: Env.t -> module_type -> module_type
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(* Expand toplevel module type abbreviations
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till hitting a "hard" module type (signature, functor,
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or abstract module type ident. *)
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val freshen: module_type -> module_type
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(* Return an alpha-equivalent copy of the given module type
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where bound identifiers are fresh. *)
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val strengthen: Env.t -> module_type -> Path.t -> module_type
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(* Strengthen abstract type components relative to the
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given path. *)
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val strengthen_decl: Env.t -> module_declaration -> Path.t -> module_declaration
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val nondep_supertype: Env.t -> Ident.t -> module_type -> module_type
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(* Return the smallest supertype of the given type
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in which the given ident does not appear.
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Raise [Not_found] if no such type exists. *)
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val no_code_needed: Env.t -> module_type -> bool
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val no_code_needed_sig: Env.t -> signature -> bool
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(* Determine whether a module needs no implementation code,
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i.e. consists only of type definitions. *)
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val enrich_modtype: Env.t -> Path.t -> module_type -> module_type
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val enrich_typedecl: Env.t -> Path.t -> type_declaration -> type_declaration
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val type_paths: Env.t -> Path.t -> module_type -> Path.t list
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val contains_type: Env.t -> module_type -> bool
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val remove_aliases: Env.t -> module_type -> module_type
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