open Printf
-
open MatitaTypes
+let debug = true ;;
+let debug_print = if debug then prerr_endline else ignore ;;
(** create a ProofEngineTypes.mk_fresh_name_type function which uses given
* names as long as they are available, then it fallbacks to name generation
FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context name ~typ
let tactic_of_ast = function
- | TacticAst.Intros (_, _, names) ->
+ | TacticAst.Intros (_, None, names) ->
(* TODO Zack implement intros length *)
PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
+ | TacticAst.Intros (_, Some num, names) ->
+ (* TODO Zack implement intros length *)
+ PrimitiveTactics.intros_tac ~howmany:num
+ ~mk_fresh_name_callback:(namer_of names) ()
| TacticAst.Reflexivity _ -> Tactics.reflexivity
| TacticAst.Assumption _ -> Tactics.assumption
| TacticAst.Contradiction _ -> Tactics.contradiction
| TacticAst.Discriminate of 'ident
| TacticAst.Fold of reduction_kind * 'term
| TacticAst.Injection of 'ident
- | TacticAst.LetIn of 'term * 'ident
- | TacticAst.Reduce of reduction_kind * 'term pattern * 'ident option
| TacticAst.Replace_pattern of 'term pattern * 'term
*)
+ | TacticAst.LetIn (loc,term,name) ->
+ Tactics.letin ~term ~mk_fresh_name_callback:(namer_of [name])
+ | TacticAst.ReduceAt (_,reduction_kind,ident,path) ->
+ ProofEngineTypes.mk_tactic
+ (fun (((_,metasenv,_,_),goal) as status) ->
+ let metano,context,ty = CicUtil.lookup_meta goal metasenv in
+ let where, also_in_hypotheses =
+ if ident = "goal" then
+ ty, false
+ else
+ let hyp =
+ try
+ List.find (function
+ | Some (Cic.Name name,entry) when name = ident -> true
+ | _ -> false)
+ context
+ with
+ Not_found -> raise (ProofEngineTypes.Fail (ident ^ " is not an hypothesis"))
+ in
+ (match hyp with
+ | Some (_, Cic.Decl term) -> term
+ | Some (_, Cic.Def (term,ty)) -> term
+ | None -> assert false),true
+ in
+ let pointers = CicUtil.select ~term:where ~context:path in
+ (match reduction_kind with
+ | `Normalize ->
+ ProofEngineTypes.apply_tactic
+ (Tactics.normalize ~also_in_hypotheses ~terms:(Some pointers))
+ status
+ | `Reduce ->
+ ProofEngineTypes.apply_tactic
+ (Tactics.reduce ~also_in_hypotheses ~terms:(Some pointers))
+ status
+ | `Simpl ->
+ ProofEngineTypes.apply_tactic
+ (Tactics.simpl ~also_in_hypotheses ~terms:(Some pointers))
+ status
+ | `Whd ->
+ ProofEngineTypes.apply_tactic
+ (Tactics.whd ~also_in_hypotheses ~terms:(Some pointers))
+ status))
+ | TacticAst.Reduce (_,reduction_kind,opts) ->
+ let terms, also_in_hypotheses =
+ match opts with
+ | Some (l,`Goal) -> Some l, false
+ | Some (l,`Everywhere) -> Some l, true
+ | None -> None, false
+ in
+ (match reduction_kind with
+ | `Normalize -> Tactics.normalize ~also_in_hypotheses ~terms
+ | `Reduce -> Tactics.reduce ~also_in_hypotheses ~terms
+ | `Simpl -> Tactics.simpl ~also_in_hypotheses ~terms
+ | `Whd -> Tactics.whd ~also_in_hypotheses ~terms)
| TacticAst.Rewrite (_,dir,t,ident) ->
if dir = `Left then
EqualityTactics.rewrite_tac ~term:t
in
apply_tactic (tactical_of_ast tac)
+(** given a uri and a type list (the contructors types) builds a list of pairs
+ * (name,uri) that is used to generate authomatic aliases **)
+let extract_alias types uri =
+ fst(List.fold_left (
+ fun (acc,i) (name, _, _, cl) ->
+ ((name, UriManager.string_of_uriref (uri,[i]))
+ ::
+ (fst(List.fold_left (
+ fun (acc,j) (name,_) ->
+ (((name,UriManager.string_of_uriref (uri,[i;j])) :: acc) , j+1)
+ ) (acc,1) cl))),i+1
+ ) ([],0) types)
+
+(** adds a (name,uri) list l to a disambiguation environment e **)
+let env_of_list l e =
+ let module DT = DisambiguateTypes in
+ let module DTE = DisambiguateTypes.Environment in
+ List.fold_left (
+ fun e (name,uri) ->
+ DTE.add
+ (DT.Id name)
+ (uri,fun _ _ _ -> CicUtil.term_of_uri uri)
+ e
+ ) e l
+
+let eval_coercion status coercion =
+ let coer_uri,coer_ty =
+ match coercion with
+ | Cic.Const (uri,_)
+ | Cic.Var (uri,_) ->
+ let o,_ =
+ CicEnvironment.get_obj CicUniv.empty_ugraph uri
+ in
+ (match o with
+ | Cic.Constant (_,_,ty,_,_)
+ | Cic.Variable (_,_,ty,_,_) ->
+ uri,ty
+ | _ -> assert false)
+ | Cic.MutConstruct (uri,t,c,_) ->
+ let o,_ =
+ CicEnvironment.get_obj CicUniv.empty_ugraph uri
+ in
+ (match o with
+ | Cic.InductiveDefinition (l,_,_,_) ->
+ let (_,_,_,cl) = List.nth l t in
+ let (_,cty) = List.nth cl c in
+ uri,cty
+ | _ -> assert false)
+ | _ -> assert false
+ in
+ (* we have to get the source and the tgt type uri
+ * in Coq syntax we have already their names, but
+ * since we don't support Funclass and similar I think
+ * all the coercion should be of the form
+ * (A:?)(B:?)T1->T2
+ * So we should be able to extract them from the coercion type
+ *)
+ let extract_last_two_p ty =
+ let rec aux = function
+ | Cic.Prod( _, src, Cic.Prod (n,t1,t2)) -> aux (Cic.Prod(n,t1,t2))
+ | Cic.Prod( _, src, tgt) -> src, tgt
+ | _ -> assert false
+ in
+ aux ty
+ in
+ let ty_src,ty_tgt = extract_last_two_p coer_ty in
+ let context = [] in
+ let src_uri =
+ let ty_src = CicReduction.whd context ty_src in
+ UriManager.uri_of_string (CicUtil.uri_of_term ty_src)
+ in
+ let tgt_uri =
+ let ty_tgt = CicReduction.whd context ty_tgt in
+ UriManager.uri_of_string (CicUtil.uri_of_term ty_tgt)
+ in
+ let new_coercions =
+ (* also adds them to the Db *)
+ CoercGraph.close_coercion_graph src_uri tgt_uri coer_uri
+ in
+ let status =
+ List.fold_left (
+ fun s (uri,o,ugraph) ->
+ match o with
+ | Cic.Constant (_,Some body, ty, params, attrs) ->
+ MatitaSync.add_constant ~uri ~body ~ty ~ugraph ~params ~attrs status
+ | _ -> assert false
+ ) status new_coercions
+ in
+ {status with proof_status = No_proof}
+
let eval_command status cmd =
match cmd with
| TacticAst.Set (loc, name, value) -> set_option status name value
"type you've declared!");
MatitaLog.message (sprintf "%s defined" suri);
let status = MatitaSync.add_constant ~uri ~body:bo ~ty ~ugraph status in
+ let status =
+ let name = UriManager.name_of_uri uri in
+ let new_env = env_of_list [(name,suri)] status.aliases in
+ {status with aliases = new_env }
+ in
{status with proof_status = No_proof }
| TacticAst.Inductive (loc, dummy_params, types) ->
(* dummy_params are not real params, it is a list of nothing, and the only
MatitaSync.add_inductive_def
~uri ~types ~params:[] ~leftno ~ugraph status
in
- {status with proof_status = No_proof }
+ (* aliases for the constructors and types *)
+ let aliases = env_of_list (extract_alias types uri) status.aliases in
+ (* aliases for the eliminations principles *)
+ let aliases =
+ let base = String.sub suri 0 (String.length suri - 4) in
+ env_of_list
+ (List.fold_left (
+ fun acc suffix ->
+ if List.exists (
+ fun (uri,_) -> UriManager.string_of_uri uri = base ^ suffix
+ ) status.objects then
+ let u = base ^ suffix in
+ (UriManager.name_of_uri (UriManager.uri_of_string u),u)::acc
+ else
+ acc
+ ) [] ["_ind.con";"_rec.con";"_rec_t.con"]) aliases
+ in
+ let status = {status with proof_status = No_proof } in
+ { status with aliases = aliases}
| TacticAst.Theorem (loc, thm_flavour, Some name, ty, None) ->
let uri =
UriManager.uri_of_string (MatitaMisc.qualify status name ^ ".con")
CicUnification.fo_unif metasenv [] body_type ty ugraph
in
if metasenv <> [] then
- command_error
- "metasenv not empty while giving a definition with body";
+ command_error (
+ "metasenv not empty while giving a definition with body: " ^
+ CicMetaSubst.ppmetasenv metasenv []) ;
let body = CicMetaSubst.apply_subst subst body in
let ty = CicMetaSubst.apply_subst subst ty in
let status = MatitaSync.add_constant ~uri ~body ~ty ~ugraph status in
+ let status =
+ let suri = UriManager.string_of_uri uri in
+ let new_env = env_of_list [(name,suri)] status.aliases in
+ {status with aliases = new_env }
+ in
{status with proof_status = No_proof}
| TacticAst.Theorem (_, _, None, _, _) ->
- command_error "The grammas should avoid having unnamed theorems!"
- | TacticAst.Coercion (loc, term) -> assert false (** TODO *)
+ command_error "The grammar should avoid having unnamed theorems!"
+ | TacticAst.Coercion (loc, coercion) ->
+ eval_coercion status coercion
| TacticAst.Alias (loc, spec) ->
match spec with
| TacticAst.Ident_alias (id,uri) ->
| TacticAst.Discriminate of 'ident
| TacticAst.Fold of reduction_kind * 'term
| TacticAst.Injection of 'ident
- | TacticAst.LetIn of 'term * 'ident
- | TacticAst.Reduce of reduction_kind * 'term pattern * 'ident option
| TacticAst.Replace_pattern of 'term pattern * 'term
*)
+ | TacticAst.LetIn (loc,term,name) ->
+ let status, term = disambiguate_term status term in
+ status, TacticAst.LetIn (loc,term,name)
+ | TacticAst.ReduceAt (loc, reduction_kind, ident, path) ->
+ let path = Disambiguate.interpretate [] status.aliases path in
+ status, TacticAst.ReduceAt(loc, reduction_kind, ident, path)
+ | TacticAst.Reduce (loc, reduction_kind, opts) ->
+ let status, opts =
+ match opts with
+ | None -> status, None
+ | Some (l,pat) ->
+ let status, l =
+ List.fold_right (fun t (status,acc) ->
+ let status',t' = disambiguate_term status t in
+ status', t'::acc)
+ l (status,[])
+ in
+ status, Some (l, pat)
+ in
+ status, TacticAst.Reduce (loc, reduction_kind, opts)
| TacticAst.Rewrite (loc,dir,t,ident) ->
let status, term = disambiguate_term status t in
status, TacticAst.Rewrite (loc,dir,term,ident)
status, Some body
in
status, TacticAst.Theorem (loc, thm_flavour, name, ty, body)
- | TacticAst.Coercion (loc, term) -> assert false (** TODO *)
+ | TacticAst.Coercion (loc, term) ->
+ let status, term = disambiguate_term status term in
+ status, TacticAst.Coercion (loc,term)
| (TacticAst.Set _ | TacticAst.Qed _) as cmd ->
status, cmd
| TacticAst.Alias _ as x -> status, x
let status, cmd = disambiguate_command status cmd in
status, (TacticAst.Command (loc, cmd))
| TacticAst.Macro (_, mac) ->
- command_error
- (sprintf ("The engine is not allowed to disambiguate any macro, "^^
- "in particular %s") (TacticAstPp.pp_macro_ast mac))
+ command_error (sprintf "The macro %s can't be in a script"
+ (TacticAstPp.pp_macro_ast mac))
let disambiguate_comment status c =
match c with
(* this disambiguation step should be deferred to support tacticals *)
eval status st
-let eval_from_stream status str =
- let st = CicTextualParser2.parse_statement str in
- eval_ast status st
+let eval_from_stream status str cb =
+ let stl = CicTextualParser2.parse_statements str in
+ List.fold_left
+ (fun status ast -> cb status ast;eval_ast status ast) status
+ stl
let eval_string status str =
- eval_from_stream status (Stream.of_string str)
+ eval_from_stream status (Stream.of_string str) (fun _ _ -> ())
let default_options () =
let options =
aliases = DisambiguateTypes.empty_environment;
proof_status = No_proof;
options = default_options ();
- coercions = [];
objects = [];
}
projects / helm.git / blobdiff