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(************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) (* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) open Names open Globnames open Constr open Misctypes (** {5 Patterns} *) type case_info_pattern = { cip_style : Constr.case_style; cip_ind : inductive option; cip_ind_tags : bool list option; (** indicates LetIn/Lambda in arity *) cip_extensible : bool (** does this match end with _ => _ ? *) } type constr_pattern = | PRef of global_reference | PVar of Id.t | PEvar of existential_key * constr_pattern array | PRel of int | PApp of constr_pattern * constr_pattern array | PSoApp of patvar * constr_pattern list | PProj of projection * constr_pattern | PLambda of Name.t * constr_pattern * constr_pattern | PProd of Name.t * constr_pattern * constr_pattern | PLetIn of Name.t * constr_pattern * constr_pattern option * constr_pattern | PSort of glob_sort | PMeta of patvar option | PIf of constr_pattern * constr_pattern * constr_pattern | PCase of case_info_pattern * constr_pattern * constr_pattern * (int * bool list * constr_pattern) list (** index of constructor, nb of args *) | PFix of fixpoint | PCoFix of cofixpoint (** Nota : in a [PCase], the array of branches might be shorter than expected, denoting the use of a final "_ => _" branch *)