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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** Untyped intermediate terms *)
(** [glob_constr] comes after [constr_expr] and before [constr].
Resolution of names, insertion of implicit arguments placeholder,
and notations are done, but coercions, inference of implicit
arguments and pattern-matching compilation are not. *)
open Pp
open Names
open Sign
open Term
open Libnames
open Globnames
open Decl_kinds
open Misctypes
(** The kind of patterns that occurs in "match ... with ... end"
locs here refers to the ident's location, not whole pat *)
type cases_pattern =
| PatVar of Loc.t * name
| PatCstr of Loc.t * constructor * cases_pattern list * name
(** [PatCstr(p,C,l,x)] = "|'C' 'l' as 'x'" *)
type glob_constr =
| GRef of (Loc.t * global_reference)
| GVar of (Loc.t * identifier)
| GEvar of Loc.t * existential_key * glob_constr list option
| GPatVar of Loc.t * (bool * patvar) (** Used for patterns only *)
| GApp of Loc.t * glob_constr * glob_constr list
| GLambda of Loc.t * name * binding_kind * glob_constr * glob_constr
| GProd of Loc.t * name * binding_kind * glob_constr * glob_constr
| GLetIn of Loc.t * name * glob_constr * glob_constr
| GCases of Loc.t * case_style * glob_constr option * tomatch_tuples * cases_clauses
(** [GCases(l,style,r,tur,cc)] = "match 'tur' return 'r' with 'cc'" (in
[MatchStyle]) *)
| GLetTuple of Loc.t * name list * (name * glob_constr option) *
glob_constr * glob_constr
| GIf of Loc.t * glob_constr * (name * glob_constr option) * glob_constr * glob_constr
| GRec of Loc.t * fix_kind * identifier array * glob_decl list array *
glob_constr array * glob_constr array
| GSort of Loc.t * glob_sort
| GHole of (Loc.t * Evar_kinds.t)
| GCast of Loc.t * glob_constr * glob_constr cast_type
and glob_decl = name * binding_kind * glob_constr option * glob_constr
and fix_recursion_order =
| GStructRec
| GWfRec of glob_constr
| GMeasureRec of glob_constr * glob_constr option
and fix_kind =
| GFix of ((int option * fix_recursion_order) array * int)
| GCoFix of int
and predicate_pattern =
name * (Loc.t * inductive * name list) option
(** [(na,id)] = "as 'na' in 'id'" where if [id] is [Some(l,I,k,args)]. *)
and tomatch_tuple = (glob_constr * predicate_pattern)
and tomatch_tuples = tomatch_tuple list
and cases_clause = (Loc.t * identifier list * cases_pattern list * glob_constr)
(** [(p,il,cl,t)] = "|'cl' as 'il' => 't'" *)
and cases_clauses = cases_clause list
|
