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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Global
open Pp
open Util
open Names
open Sign
open Evd
open Term
open Termops
open Reductionops
open Environ
open Type_errors
open Typeops
open Libnames
open Classops
open List
open Recordops
open Evarutil
open Pretype_errors
open Rawterm
open Evarconv
open Pattern
open Subtac_coercion
open Subtac_utils
open Coqlib
open Printer
open Subtac_errors
open Eterm
module Pretyping = Subtac_pretyping_F.SubtacPretyping_F(Subtac_coercion.Coercion)
open Pretyping
let _ = Pretyping.allow_anonymous_refs := true
type recursion_info = {
arg_name: name;
arg_type: types; (* A *)
args_after : rel_context;
wf_relation: constr; (* R : A -> A -> Prop *)
wf_proof: constr; (* : well_founded R *)
f_type: types; (* f: A -> Set *)
f_fulltype: types; (* Type with argument and wf proof product first *)
}
let my_print_rec_info env t =
str "Name: " ++ Nameops.pr_name t.arg_name ++ spc () ++
str "Arg type: " ++ my_print_constr env t.arg_type ++ spc () ++
str "Wf relation: " ++ my_print_constr env t.wf_relation ++ spc () ++
str "Wf proof: " ++ my_print_constr env t.wf_proof ++ spc () ++
str "Abbreviated Type: " ++ my_print_constr env t.f_type ++ spc () ++
str "Full type: " ++ my_print_constr env t.f_fulltype
(* trace (str "pretype for " ++ (my_print_rawconstr env c) ++ *)
(* str " and tycon "++ my_print_tycon env tycon ++ *)
(* str " in environment: " ++ my_print_env env); *)
let merge_evms x y =
Evd.fold (fun ev evi evm -> Evd.add evm ev evi) x y
let interp env isevars c tycon =
let j = pretype tycon env isevars ([],[]) c in
let _ = isevars := Evarutil.nf_evar_map !isevars in
let evd = consider_remaining_unif_problems env !isevars in
(* let unevd = undefined_evars evd in *)
let unevd' = Typeclasses.resolve_typeclasses ~onlyargs:true ~split:true ~fail:true env evd in
let unevd' = Typeclasses.resolve_typeclasses ~onlyargs:false ~split:true ~fail:false env unevd' in
let evm = unevd' in
isevars := unevd';
nf_evar evm j.uj_val, nf_evar evm j.uj_type
let find_with_index x l =
let rec aux i = function
(y, _, _) as t :: tl -> if x = y then i, t else aux (succ i) tl
| [] -> raise Not_found
in aux 0 l
open Vernacexpr
let coqintern_constr evd env : Topconstr.constr_expr -> Rawterm.rawconstr =
Constrintern.intern_constr evd env
let coqintern_type evd env : Topconstr.constr_expr -> Rawterm.rawconstr =
Constrintern.intern_type evd env
let env_with_binders env isevars l =
let rec aux ((env, rels) as acc) = function
Topconstr.LocalRawDef ((loc, name), def) :: tl ->
let rawdef = coqintern_constr !isevars env def in
let coqdef, deftyp = interp env isevars rawdef empty_tycon in
let reldecl = (name, Some coqdef, deftyp) in
aux (push_rel reldecl env, reldecl :: rels) tl
| Topconstr.LocalRawAssum (bl, k, typ) :: tl ->
let rawtyp = coqintern_type !isevars env typ in
let coqtyp, typtyp = interp env isevars rawtyp empty_tycon in
let acc =
List.fold_left (fun (env, rels) (loc, name) ->
let reldecl = (name, None, coqtyp) in
(push_rel reldecl env,
reldecl :: rels))
(env, rels) bl
in aux acc tl
| [] -> acc
in aux (env, []) l
let subtac_process env isevars id bl c tycon =
let c = Topconstr.abstract_constr_expr c bl in
let tycon, imps =
match tycon with
None -> empty_tycon, None
| Some t ->
let t = Topconstr.prod_constr_expr t bl in
let t = coqintern_type !isevars env t in
let imps = Implicit_quantifiers.implicits_of_rawterm t in
let coqt, ttyp = interp env isevars t empty_tycon in
mk_tycon coqt, Some imps
in
let c = coqintern_constr !isevars env c in
let imps = Option.default (Implicit_quantifiers.implicits_of_rawterm ~with_products:false c) imps in
let coqc, ctyp = interp env isevars c tycon in
let evm = non_instanciated_map env isevars !isevars in
let ty = nf_evar !isevars (match tycon with Some (None, c) -> c | _ -> ctyp) in
evm, coqc, ty, imps
open Subtac_obligations
let subtac_proof kind hook env isevars id bl c tycon =
let evm, coqc, coqt, imps = subtac_process env isevars id bl c tycon in
let evm' = Subtac_utils.evars_of_term evm Evd.empty coqc in
let evm' = Subtac_utils.evars_of_term evm evm' coqt in
let evars, _, def, ty = Eterm.eterm_obligations env id !isevars evm' 0 coqc coqt in
add_definition id ~term:def ty ~implicits:imps ~kind ~hook evars
|
