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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 *)
(************************************************************************)
(* Certification of Imperative Programs / Jean-Christophe Filliâtre *)
(* $Id: past.mli,v 1.7.6.1 2004/07/16 19:30:00 herbelin Exp $ *)
(*s Abstract syntax of imperative programs. *)
open Names
open Ptype
open Topconstr
type termination =
| RecArg of int
| Wf of constr_expr * constr_expr
type variable = identifier
type pattern =
| PatVar of identifier
| PatConstruct of identifier * ((kernel_name * int) * int)
| PatAlias of pattern * identifier
| PatPair of pattern * pattern
| PatApp of pattern list
type epattern =
| ExnConstant of identifier
| ExnBind of identifier * identifier
type ('a, 'b) block_st =
| Label of string
| Assert of 'b Ptype.assertion
| Statement of 'a
type ('a, 'b) block = ('a, 'b) block_st list
type ('a, 'b) t = {
desc : ('a, 'b) t_desc;
pre : 'b Ptype.precondition list;
post : 'b Ptype.postcondition option;
loc : Util.loc;
info : 'a
}
and ('a, 'b) t_desc =
| Variable of variable
| Acc of variable
| Aff of variable * ('a, 'b) t
| TabAcc of bool * variable * ('a, 'b) t
| TabAff of bool * variable * ('a, 'b) t * ('a, 'b) t
| Seq of (('a, 'b) t, 'b) block
| While of ('a, 'b) t * 'b Ptype.assertion option * ('b * 'b) *
(('a, 'b) t, 'b) block
| If of ('a, 'b) t * ('a, 'b) t * ('a, 'b) t
| Lam of 'b Ptype.ml_type_v Ptype.binder list * ('a, 'b) t
| Apply of ('a, 'b) t * ('a, 'b) arg list
| SApp of ('a, 'b) t_desc list * ('a, 'b) t list
| LetRef of variable * ('a, 'b) t * ('a, 'b) t
| Let of variable * ('a, 'b) t * ('a, 'b) t
| LetRec of variable * 'b Ptype.ml_type_v Ptype.binder list *
'b Ptype.ml_type_v * ('b * 'b) * ('a, 'b) t
| PPoint of string * ('a, 'b) t_desc
| Expression of Term.constr
| Debug of string * ('a, 'b) t
and ('a, 'b) arg =
| Term of ('a, 'b) t
| Refarg of variable
| Type of 'b Ptype.ml_type_v
type program = (unit, Topconstr.constr_expr) t
(*s Intermediate type for CC terms. *)
type cc_type = Term.constr
type cc_bind_type =
| CC_typed_binder of cc_type
| CC_untyped_binder
type cc_binder = variable * cc_bind_type
type cc_term =
| CC_var of variable
| CC_letin of bool * cc_type * cc_binder list * cc_term * cc_term
| CC_lam of cc_binder list * cc_term
| CC_app of cc_term * cc_term list
| CC_tuple of bool * cc_type list * cc_term list
| CC_case of cc_type * cc_term * cc_term list
| CC_expr of Term.constr
| CC_hole of cc_type
|
