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89 lines
3.9 KiB
OCaml
89 lines
3.9 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Heptagon *)
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(* *)
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(* Gwenael Delaval, LIG/INRIA, UJF *)
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(* Leonard Gerard, Parkas, ENS *)
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(* Adrien Guatto, Parkas, ENS *)
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(* Cedric Pasteur, Parkas, ENS *)
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(* *)
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(* Copyright 2012 ENS, INRIA, UJF *)
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(* *)
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(* This file is part of the Heptagon compiler. *)
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(* *)
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(* Heptagon is free software: you can redistribute it and/or modify it *)
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(* under the terms of the GNU General Public License as published by *)
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(* the Free Software Foundation, either version 3 of the License, or *)
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(* (at your option) any later version. *)
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(* *)
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(* Heptagon is distributed in the hope that it will be useful, *)
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(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *)
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(* GNU General Public License for more details. *)
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(* *)
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(* You should have received a copy of the GNU General Public License *)
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(* along with Heptagon. If not, see <http://www.gnu.org/licenses/> *)
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(* *)
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(***********************************************************************)
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open Names
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(** This modules manages unique identifiers,
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/!\ To be effective, [enter_node] has to be called when entering a node
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[gen_var] generates a variable identifier
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[name] returns a unique name (inside its node) from an identifier. *)
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(** The (abstract) type of identifiers*)
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type ident
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(** Type to be used for local variables *)
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type var_ident = ident
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(** Comparison on idents with the same properties as [Pervasives.compare] *)
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val ident_compare : ident -> ident -> int
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(** Get the full name of an identifier (it is guaranteed to be unique) *)
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val name : ident -> string
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(** Get the source name of an identifier (useful when dealing with signatures *)
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val source_name : ident -> string
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(** [gen_fresh pass_name kind_to_string kind]
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generate a fresh ident with a sweet [name].
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It should be used to define a [fresh] function specific to a pass. *)
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val gen_fresh : string -> ('a -> string) -> ?reset:bool -> 'a -> ident
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(** [gen_var pass_name name]
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generates a fresh ident with a sweet [name] *)
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val gen_var : string -> ?reset:bool -> string -> ident
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(** [ident_of_name n] returns an fresh identifier corresponding
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to a _source_ variable (do not use it for generated variables). *)
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val ident_of_name : ?reset:bool -> string -> ident
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val is_reset : ident -> bool
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(** /!\ [enter_node qualname] should be called every time we enter a node with name [qualname]. *)
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val enter_node : Names.qualname -> unit
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(** Maps taking an identifier as a key. *)
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module Env :
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sig
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include (Map.S with type key = ident)
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val append : 'a t -> 'a t -> 'a t
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val union : 'a t -> 'a t -> 'a t
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val diff : 'a t -> 'b t -> 'a t
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val partition : (key -> bool) -> 'a t -> 'a t * 'a t
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val print_t : (Format.formatter -> 'a -> unit) -> Format.formatter -> 'a t -> unit
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end
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(** A set of identifiers. *)
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module IdentSet :
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sig
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include (Set.S with type elt = ident)
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val print_t : Format.formatter -> t -> unit
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end
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val print_ident : Format.formatter -> ident -> unit
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