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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: rawterm.mli 8969 2006-06-22 12:51:04Z msozeau $ i*)
(*i*)
open Util
open Names
open Sign
open Term
open Libnames
open Nametab
(*i*)
(* Untyped intermediate terms, after ASTs and before constr. *)
(* locs here refers to the ident's location, not whole pat *)
(* the last argument of PatCstr is a possible alias ident for the pattern *)
type cases_pattern =
| PatVar of loc * name
| PatCstr of loc * constructor * cases_pattern list * name
val pattern_loc : cases_pattern -> loc
type patvar = identifier
type rawsort = RProp of Term.contents | RType of Univ.universe option
type binder_kind = BProd | BLambda | BLetIn
type quantified_hypothesis = AnonHyp of int | NamedHyp of identifier
type 'a explicit_bindings = (loc * quantified_hypothesis * 'a) list
type 'a bindings =
| ImplicitBindings of 'a list
| ExplicitBindings of 'a explicit_bindings
| NoBindings
type 'a with_bindings = 'a * 'a bindings
type cast_type =
| CastConv of cast_kind
| CastCoerce (* Cast to a base type (eg, an underlying inductive type) *)
type rawconstr =
| RRef of (loc * global_reference)
| RVar of (loc * identifier)
| REvar of loc * existential_key * rawconstr list option
| RPatVar of loc * (bool * patvar) (* Used for patterns only *)
| RApp of loc * rawconstr * rawconstr list
| RLambda of loc * name * rawconstr * rawconstr
| RProd of loc * name * rawconstr * rawconstr
| RLetIn of loc * name * rawconstr * rawconstr
| RCases of loc * rawconstr option * tomatch_tuple * cases_clauses
| RLetTuple of loc * name list * (name * rawconstr option) *
rawconstr * rawconstr
| RIf of loc * rawconstr * (name * rawconstr option) * rawconstr * rawconstr
| RRec of loc * fix_kind * identifier array * rawdecl list array *
rawconstr array * rawconstr array
| RSort of loc * rawsort
| RHole of (loc * Evd.hole_kind)
| RCast of loc * rawconstr * cast_type * rawconstr
| RDynamic of loc * Dyn.t
and rawdecl = name * rawconstr option * rawconstr
and fix_recursion_order = RStructRec | RWfRec of rawconstr | RMeasureRec of rawconstr
and fix_kind =
| RFix of ((int option * fix_recursion_order) array * int)
| RCoFix of int
and predicate_pattern =
name * (loc * inductive * int * name list) option
and tomatch_tuple = (rawconstr * predicate_pattern) list
and cases_clauses =
(loc * identifier list * cases_pattern list * rawconstr) list
val cases_predicate_names : tomatch_tuple -> name list
(*i - if PRec (_, names, arities, bodies) is in env then arities are
typed in env too and bodies are typed in env enriched by the
arities incrementally lifted
[On pourrait plutot mettre les arités aves le type qu'elles auront
dans le contexte servant à typer les body ???]
- boolean in POldCase means it is recursive
- option in PHole tell if the "?" was apparent or has been implicitely added
i*)
val map_rawconstr : (rawconstr -> rawconstr) -> rawconstr -> rawconstr
(*i
val map_rawconstr_with_binders_loc : loc ->
(identifier -> 'a -> identifier * 'a) ->
('a -> rawconstr -> rawconstr) -> 'a -> rawconstr -> rawconstr
i*)
val occur_rawconstr : identifier -> rawconstr -> bool
val loc_of_rawconstr : rawconstr -> loc
(**********************************************************************)
(* Conversion from rawconstr to cases pattern, if possible *)
(* Take the current alias as parameter, raise Not_found if *)
(* translation is impossible *)
val cases_pattern_of_rawconstr : name -> rawconstr -> cases_pattern
val rawconstr_of_closed_cases_pattern : cases_pattern -> name * rawconstr
(**********************************************************************)
(* Reduction expressions *)
type 'a raw_red_flag = {
rBeta : bool;
rIota : bool;
rZeta : bool;
rDelta : bool; (* true = delta all but rConst; false = delta only on rConst*)
rConst : 'a list
}
val all_flags : 'a raw_red_flag
type 'a or_var = ArgArg of 'a | ArgVar of identifier located
type 'a with_occurrences = int or_var list * 'a
type ('a,'b) red_expr_gen =
| Red of bool
| Hnf
| Simpl of 'a with_occurrences option
| Cbv of 'b raw_red_flag
| Lazy of 'b raw_red_flag
| Unfold of 'b with_occurrences list
| Fold of 'a list
| Pattern of 'a with_occurrences list
| ExtraRedExpr of string
| CbvVm
type ('a,'b) may_eval =
| ConstrTerm of 'a
| ConstrEval of ('a,'b) red_expr_gen * 'a
| ConstrContext of (loc * identifier) * 'a
| ConstrTypeOf of 'a
|
