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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(*i $Id$ i*)
(*i*)
open Util
open Names
open Term
open Sign
open Proof_type
(*i*)
(* [new_meta] is a generator of unique meta variables *)
val new_meta : unit -> metavariable
(* [exist_to_meta] generates new metavariables for each existential
and performs the replacement in the given constr *)
val exist_to_meta :
Evd.evar_map -> Pretyping.open_constr -> (Termops.metamap * constr)
(* The Type of Constructions clausale environments. *)
module Metaset : Set.S with type elt = metavariable
module Metamap : Map.S with type key = metavariable
type 'a freelisted = {
rebus : 'a;
freemetas : Metaset.t }
type clbinding =
| Cltyp of constr freelisted
| Clval of constr freelisted * constr freelisted
type 'a clausenv = {
templval : constr freelisted;
templtyp : constr freelisted;
namenv : identifier Metamap.t;
env : clbinding Metamap.t;
hook : 'a }
type wc = named_context sigma (* for a better reading of the following *)
(* [templval] is the template which we are trying to fill out.
* [templtyp] is its type.
* [namenv] is a mapping from metavar numbers to names, for
* use in instanciating metavars by name.
* [env] is the mapping from metavar numbers to their types
* and values.
* [hook] is the pointer to the current walking context, for
* integrating existential vars and metavars. *)
val collect_metas : constr -> metavariable list
val mk_clenv : 'a -> constr -> 'a clausenv
val mk_clenv_from : 'a -> constr * constr -> 'a clausenv
val mk_clenv_from_n : 'a -> int option -> constr * constr -> 'a clausenv
val mk_clenv_rename_from : wc -> constr * constr -> wc clausenv
val mk_clenv_rename_from_n : wc -> int option -> constr * constr -> wc clausenv
val mk_clenv_hnf_constr_type_of : wc -> constr -> wc clausenv
val mk_clenv_type_of : wc -> constr -> wc clausenv
val subst_clenv : (substitution -> 'a -> 'a) ->
substitution -> 'a clausenv -> 'a clausenv
val connect_clenv : wc -> 'a clausenv -> wc clausenv
val clenv_change_head : constr * constr -> 'a clausenv -> 'a clausenv
val clenv_assign : metavariable -> constr -> 'a clausenv -> 'a clausenv
val clenv_instance_term : wc clausenv -> constr -> constr
val clenv_pose : name * metavariable * constr -> 'a clausenv -> 'a clausenv
val clenv_template : 'a clausenv -> constr freelisted
val clenv_template_type : 'a clausenv -> constr freelisted
val clenv_instance_type : wc clausenv -> metavariable -> constr
val clenv_instance_template : wc clausenv -> constr
val clenv_instance_template_type : wc clausenv -> constr
val clenv_type_of : wc clausenv -> constr -> constr
val clenv_fchain : metavariable -> 'a clausenv -> wc clausenv -> wc clausenv
val clenv_bchain : metavariable -> 'a clausenv -> wc clausenv -> wc clausenv
(* Unification with clenv *)
type arg_bindings = (int * constr) list
val unify_0 :
Reductionops.conv_pb -> wc -> constr -> constr
-> Termops.metamap * (constr * constr) list
val clenv_unify :
bool -> Reductionops.conv_pb -> constr -> constr ->
wc clausenv -> wc clausenv
val clenv_match_args :
constr Rawterm.explicit_bindings -> wc clausenv -> wc clausenv
val clenv_constrain_with_bindings : arg_bindings -> wc clausenv -> wc clausenv
(* Bindings *)
val clenv_independent : wc clausenv -> metavariable list
val clenv_missing : 'a clausenv -> metavariable list
val clenv_constrain_missing_args : (* Used in user contrib Lannion *)
constr list -> wc clausenv -> wc clausenv
(*
val clenv_constrain_dep_args : constr list -> wc clausenv -> wc clausenv
*)
val clenv_lookup_name : 'a clausenv -> identifier -> metavariable
val clenv_unique_resolver : bool -> wc clausenv -> goal sigma -> wc clausenv
val make_clenv_binding_apply :
wc -> int -> constr * constr -> types Rawterm.bindings -> wc clausenv
val make_clenv_binding :
wc -> constr * constr -> types Rawterm.bindings -> wc clausenv
(* Tactics *)
val unify : constr -> tactic
val clenv_refine : (wc -> tactic) -> wc clausenv -> tactic
val res_pf : (wc -> tactic) -> wc clausenv -> tactic
val res_pf_cast : (wc -> tactic) -> wc clausenv -> tactic
val elim_res_pf : (wc -> tactic) -> wc clausenv -> bool -> tactic
val e_res_pf : (wc -> tactic) -> wc clausenv -> tactic
val elim_res_pf_THEN_i :
(wc -> tactic) -> wc clausenv -> (wc clausenv -> tactic array) -> tactic
(* Pretty-print *)
val pr_clenv : 'a clausenv -> Pp.std_ppcmds
(* Exported for debugging *)
val unify_to_subterm :
wc clausenv -> constr * constr -> wc clausenv * constr
val unify_to_subterm_list :
bool -> wc clausenv -> constr list -> constr -> wc clausenv * constr list
val clenv_typed_unify :
Reductionops.conv_pb -> constr -> constr -> wc clausenv -> wc clausenv
(*i This should be in another module i*)
(* [abstract_list_all env sigma t c l] *)
(* abstracts the terms in l over c to get a term of type t *)
val abstract_list_all :
Environ.env -> Evd.evar_map -> constr -> constr -> constr list -> constr
|
