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.LetIn of 'term * 'ident
| TacticAst.Replace_pattern of 'term pattern * 'term
*)
+ | 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
| 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)
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_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
- 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)
- in
- 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
- in
+ (* 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 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!"
+ command_error "The grammar should avoid having unnamed theorems!"
| TacticAst.Coercion (loc, term) -> assert false (** TODO *)
| TacticAst.Alias (loc, spec) ->
match spec with
| TacticAst.LetIn of 'term * 'ident
| TacticAst.Replace_pattern of 'term pattern * 'term
*)
+ | 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
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