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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Util
open Genlambda
(** This file defines the lambda code generation phase of the native compiler *)
type lambda = Nativevalues.t Genlambda.lambda
(*s Constructors *)
(** Simplification of lambda expression *)
let is_value lc =
match lc with
| Lval _ | Lint _ | Luint _ | Lfloat _ -> true
| _ -> false
let get_value lc =
match lc with
| Lval v -> v
| Lint tag -> Nativevalues.mk_int tag
| Luint i -> Nativevalues.mk_uint i
| Lfloat f -> Nativevalues.mk_float f
| _ -> raise Not_found
let as_value tag args =
if Array.for_all is_value args then
let dummy_val = Obj.magic 0 in
let args =
(* Don't simplify this to Array.map, cf. the related comment in
function eval_to_patch, file kernel/csymtable.ml *)
let a = Array.make (Array.length args) dummy_val in
Array.iteri (fun i v -> a.(i) <- get_value v) args; a in
Some (Nativevalues.mk_block tag args)
else None
module Val =
struct
type value = Nativevalues.t
let as_value = as_value
let check_inductive _ _ = ()
end
module Lambda = Genlambda.Make(Val)
let lambda_of_constr env sigma c =
let lam = Lambda.lambda_of_constr env sigma c in
optimize lam
|
